From 7b1124603ac2b2d61688c91335d6c6f1fcda1468 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Thu, 13 Nov 2025 11:48:08 +0000
Subject: [PATCH] Deployed dba3a0b8 to dev with MkDocs 1.6.1 and mike 2.1.3

---
 dev/404.html                                  | 280 ++++++-
 dev/assets/javascripts/bundle.e71a0d61.min.js |  16 +
 .../javascripts/bundle.e71a0d61.min.js.map    |   7 +
 dev/assets/javascripts/bundle.f55a23d4.min.js |  16 -
 .../javascripts/bundle.f55a23d4.min.js.map    |   7 -
 ...973d3a69.min.js => search.7a47a382.min.js} |  10 +-
 ....min.js.map => search.7a47a382.min.js.map} |   6 +-
 dev/assets/stylesheets/main.618322db.min.css  |   1 +
 .../stylesheets/main.618322db.min.css.map     |   1 +
 dev/assets/stylesheets/main.84d31ad4.min.css  |   1 -
 .../stylesheets/main.84d31ad4.min.css.map     |   1 -
 .../stylesheets/palette.06af60db.min.css      |   1 -
 .../stylesheets/palette.06af60db.min.css.map  |   1 -
 .../stylesheets/palette.ab4e12ef.min.css      |   1 +
 .../stylesheets/palette.ab4e12ef.min.css.map  |   1 +
 dev/boot/index.html                           | 477 +++++++++--
 dev/branding/index.html                       | 453 +++++++++--
 dev/cli/configure/index.html                  | 381 ++++++++-
 dev/cli/introduction/index.html               | 341 +++++++-
 dev/cli/keybindings/index.html                | 341 +++++++-
 dev/cli/netcalc/index.html                    | 341 +++++++-
 dev/cli/quick/index.html                      | 320 +++++++-
 dev/cli/tcpdump/index.html                    | 341 +++++++-
 dev/cli/text-editor/index.html                | 357 ++++++++-
 dev/cli/upgrade/index.html                    | 320 +++++++-
 dev/container/index.html                      | 533 +++++++++++--
 dev/developers-guide/index.html               | 477 +++++++++--
 dev/dhcp/index.html                           | 365 ++++++++-
 dev/discovery/index.html                      | 389 ++++++++-
 dev/eth-counters/index.html                   | 320 +++++++-
 dev/firewall/index.html                       | 509 ++++++++++--
 dev/hardware/index.html                       | 357 ++++++++-
 dev/index.html                                | 309 +++++++-
 dev/license/index.html                        | 280 ++++++-
 dev/management/index.html                     | 389 ++++++++-
 dev/netboot/index.html                        | 357 ++++++++-
 dev/networking/index.html                     | 745 +++++++++++++++---
 dev/override-package/index.html               | 349 +++++++-
 dev/qos/index.html                            | 381 ++++++++-
 dev/scripting-netconf/index.html              | 621 +++++++++++++--
 dev/scripting-prod/index.html                 | 373 ++++++++-
 dev/scripting-restconf/index.html             | 573 ++++++++++++--
 dev/scripting-sysrepocfg/index.html           | 413 +++++++++-
 dev/scripting/index.html                      | 437 +++++++++-
 dev/search/search_index.json                  |   2 +-
 dev/sitemap.xml                               |  76 +-
 dev/sitemap.xml.gz                            | Bin 463 -> 463 bytes
 dev/syslog/index.html                         | 373 ++++++++-
 dev/system/index.html                         | 429 +++++++++-
 dev/test-arch/index.html                      | 389 ++++++++-
 dev/testing/index.html                        | 437 +++++++++-
 dev/tunnels/index.html                        | 413 +++++++++-
 dev/upgrade/index.html                        | 365 ++++++++-
 dev/virtual/index.html                        | 341 +++++++-
 dev/vpd/index.html                            | 357 ++++++++-
 dev/wifi/index.html                           | 379 ++++++++-
 56 files changed, 14431 insertions(+), 1329 deletions(-)
 create mode 100644 dev/assets/javascripts/bundle.e71a0d61.min.js
 create mode 100644 dev/assets/javascripts/bundle.e71a0d61.min.js.map
 delete mode 100644 dev/assets/javascripts/bundle.f55a23d4.min.js
 delete mode 100644 dev/assets/javascripts/bundle.f55a23d4.min.js.map
 rename dev/assets/javascripts/workers/{search.973d3a69.min.js => search.7a47a382.min.js} (89%)
 rename dev/assets/javascripts/workers/{search.973d3a69.min.js.map => search.7a47a382.min.js.map} (78%)
 create mode 100644 dev/assets/stylesheets/main.618322db.min.css
 create mode 100644 dev/assets/stylesheets/main.618322db.min.css.map
 delete mode 100644 dev/assets/stylesheets/main.84d31ad4.min.css
 delete mode 100644 dev/assets/stylesheets/main.84d31ad4.min.css.map
 delete mode 100644 dev/assets/stylesheets/palette.06af60db.min.css
 delete mode 100644 dev/assets/stylesheets/palette.06af60db.min.css.map
 create mode 100644 dev/assets/stylesheets/palette.ab4e12ef.min.css
 create mode 100644 dev/assets/stylesheets/palette.ab4e12ef.min.css.map

diff --git a/dev/404.html b/dev/404.html
index 2e0f5512..4b7ea990 100644
--- a/dev/404.html
+++ b/dev/404.html
@@ -13,8 +13,11 @@
       
       
       
+        
+      
+      
       <link rel="icon" href="/infix/dev/assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -22,10 +25,10 @@
       
     
     
-      <link rel="stylesheet" href="/infix/dev/assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="/infix/dev/assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="/infix/dev/assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="/infix/dev/assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -52,7 +55,6 @@
 
     
     
-    
   </head>
   
   
@@ -261,10 +263,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -312,10 +319,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -323,7 +335,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -339,10 +355,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -362,10 +383,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -385,10 +411,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -408,10 +439,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -431,10 +467,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -454,10 +495,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -477,10 +523,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -500,10 +551,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -530,10 +586,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -577,10 +638,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -588,7 +654,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -604,10 +674,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -627,10 +702,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -650,10 +730,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -673,10 +758,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -696,10 +786,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -719,10 +814,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -766,10 +866,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -777,7 +882,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -793,10 +902,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -816,10 +930,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -871,10 +990,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -882,7 +1006,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -898,10 +1026,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -921,10 +1054,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -944,10 +1082,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info & Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -967,10 +1110,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -990,10 +1138,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1013,10 +1166,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1066,10 +1224,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1077,7 +1240,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1093,10 +1260,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1116,10 +1288,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1139,10 +1316,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1162,10 +1344,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1185,10 +1372,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1244,10 +1436,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1255,7 +1452,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1271,10 +1472,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding & Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1294,10 +1500,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1317,10 +1528,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1340,10 +1556,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1363,10 +1584,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1386,10 +1612,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1409,10 +1640,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1432,10 +1668,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1462,10 +1703,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin & Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1498,6 +1744,15 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+              
               <article class="md-content__inner md-typeset">
                 
   <h1>404 - Not found</h1>
@@ -1538,10 +1793,11 @@
     
     
       
-      <script id="__config" type="application/json">{"base": "/infix/dev", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "/infix/dev/assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "/infix/dev", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "/infix/dev/assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="/infix/dev/assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="/infix/dev/assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   </body>
diff --git a/dev/assets/javascripts/bundle.e71a0d61.min.js b/dev/assets/javascripts/bundle.e71a0d61.min.js
new file mode 100644
index 00000000..c76b3b2b
--- /dev/null
+++ b/dev/assets/javascripts/bundle.e71a0d61.min.js
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rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}.statediagram-state rect.divider{fill:var(--md-default-fg-color--lightest);stroke:var(--md-default-fg-color--lighter)}defs #statediagram-barbEnd{stroke:var(--md-mermaid-edge-color)}[id^=entity] path,[id^=entity] rect{fill:var(--md-default-bg-color)}.relationshipLine{stroke:var(--md-mermaid-edge-color)}defs .marker.oneOrMore.er *,defs .marker.onlyOne.er *,defs .marker.zeroOrMore.er *,defs .marker.zeroOrOne.er *{stroke:var(--md-mermaid-edge-color)!important}text:not([class]):last-child{fill:var(--md-mermaid-label-fg-color)}.actor{fill:var(--md-mermaid-sequence-actor-bg-color);stroke:var(--md-mermaid-sequence-actor-border-color)}text.actor>tspan{fill:var(--md-mermaid-sequence-actor-fg-color);font-family:var(--md-mermaid-font-family)}line{stroke:var(--md-mermaid-sequence-actor-line-color)}.actor-man circle,.actor-man 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H(()=>{let r=new T;r.subscribe({next({active:n}){e.classList.toggle("md-header__title--active",n)},complete(){e.classList.remove("md-header__title--active")}});let o=ue(".md-content h1");return typeof o=="undefined"?y:fs(o,t).pipe(O(n=>r.next(n)),A(()=>r.complete()),m(n=>P({ref:e},n)))})}function pi(e,{viewport$:t,header$:r}){let o=r.pipe(m(({height:i})=>i),Y()),n=o.pipe(b(()=>Le(e).pipe(m(({height:i})=>({top:e.offsetTop,bottom:e.offsetTop+i})),ne("bottom"))));return z([o,n,t]).pipe(m(([i,{top:s,bottom:a},{offset:{y:c},size:{height:p}}])=>(p=Math.max(0,p-Math.max(0,s-c,i)-Math.max(0,p+c-a)),{offset:s-i,height:p,active:s-i<=c})),Y((i,s)=>i.offset===s.offset&&i.height===s.height&&i.active===s.active))}function us(e){let t=__md_get("__palette")||{index:e.findIndex(o=>matchMedia(o.getAttribute("data-md-color-media")).matches)},r=Math.max(0,Math.min(t.index,e.length-1));return 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rt(ze(`${r}/releases/latest`).pipe(ve(()=>y),m(o=>({version:o.tag_name})),Qe({})),ze(r).pipe(ve(()=>y),m(o=>({stars:o.stargazers_count,forks:o.forks_count})),Qe({}))).pipe(m(([o,n])=>P(P({},o),n)))}else{let r=`https://api.github.com/users/${e}`;return ze(r).pipe(m(o=>({repositories:o.public_repos})),Qe({}))}}function ki(e,t){let r=`https://${e}/api/v4/projects/${encodeURIComponent(t)}`;return rt(ze(`${r}/releases/permalink/latest`).pipe(ve(()=>y),m(({tag_name:o})=>({version:o})),Qe({})),ze(r).pipe(ve(()=>y),m(({star_count:o,forks_count:n})=>({stars:o,forks:n})),Qe({}))).pipe(m(([o,n])=>P(P({},o),n)))}function Hi(e){let t=e.match(/^.+github\.com\/([^/]+)\/?([^/]+)?/i);if(t){let[,r,o]=t;return Ci(r,o)}if(t=e.match(/^.+?([^/]*gitlab[^/]+)\/(.+?)\/?$/i),t){let[,r,o]=t;return ki(r,o)}return y}var Os;function Ls(e){return Os||(Os=H(()=>{let t=__md_get("__source",sessionStorage);if(t)return $(t);if(me("consent").length){let o=__md_get("__consent");if(!(o&&o.github))return y}return 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ji({document$:e,tablet$:t}){e.pipe(b(()=>M(".md-toggle--indeterminate")),O(r=>{r.indeterminate=!0,r.checked=!1}),J(r=>h(r,"change").pipe(Jr(()=>r.classList.contains("md-toggle--indeterminate")),m(()=>r))),te(t)).subscribe(([r,o])=>{r.classList.remove("md-toggle--indeterminate"),o&&(r.checked=!1)})}function Cs(){return/(iPad|iPhone|iPod)/.test(navigator.userAgent)}function Ui({document$:e}){e.pipe(b(()=>M("[data-md-scrollfix]")),O(t=>t.removeAttribute("data-md-scrollfix")),g(Cs),J(t=>h(t,"touchstart").pipe(m(()=>t)))).subscribe(t=>{let r=t.scrollTop;r===0?t.scrollTop=1:r+t.offsetHeight===t.scrollHeight&&(t.scrollTop=r-1)})}function Wi({viewport$:e,tablet$:t}){z([Je("search"),t]).pipe(m(([r,o])=>r&&!o),b(r=>$(r).pipe(nt(r?400:100))),te(e)).subscribe(([r,{offset:{y:o}}])=>{if(r)document.body.setAttribute("data-md-scrolllock",""),document.body.style.top=`-${o}px`;else{let 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URL("search/search_index.js",Or.base)}`).pipe(m(()=>__index),Z(1)):ze(new URL("search/search_index.json",Or.base))}document.documentElement.classList.remove("no-js");document.documentElement.classList.add("js");var ct=an(),Kt=bn(),Ht=yn(Kt),mo=hn(),ke=Ln(),Lr=Wt("(min-width: 60em)"),Vi=Wt("(min-width: 76.25em)"),Ni=xn(),Or=Te(),zi=document.forms.namedItem("search")?ks():tt,fo=new T;di({alert$:fo});ui({document$:ct});var uo=new T,qi=kt(Or.base);V("navigation.instant")&&gi({sitemap$:qi,location$:Kt,viewport$:ke,progress$:uo}).subscribe(ct);var Di;((Di=Or.version)==null?void 0:Di.provider)==="mike"&&Ti({document$:ct});L(Kt,Ht).pipe(nt(125)).subscribe(()=>{at("drawer",!1),at("search",!1)});mo.pipe(g(({mode:e})=>e==="global")).subscribe(e=>{switch(e.type){case"p":case",":let t=ue("link[rel=prev]");typeof t!="undefined"&&st(t);break;case"n":case".":let r=ue("link[rel=next]");typeof r!="undefined"&&st(r);break;case"Enter":let o=Ne();o instanceof HTMLLabelElement&&o.click()}});Fi({viewport$:ke,document$:ct});ji({document$:ct,tablet$:Lr});Ui({document$:ct});Wi({viewport$:ke,tablet$:Lr});var ft=ai(Ce("header"),{viewport$:ke}),qt=ct.pipe(m(()=>Ce("main")),b(e=>pi(e,{viewport$:ke,header$:ft})),Z(1)),Hs=L(...me("consent").map(e=>An(e,{target$:Ht})),...me("dialog").map(e=>ni(e,{alert$:fo})),...me("palette").map(e=>li(e)),...me("progress").map(e=>mi(e,{progress$:uo})),...me("search").map(e=>_i(e,{index$:zi,keyboard$:mo})),...me("source").map(e=>$i(e))),$s=H(()=>L(...me("announce").map(e=>_n(e)),...me("content").map(e=>oi(e,{sitemap$:qi,viewport$:ke,target$:Ht,print$:Ni})),...me("content").map(e=>V("search.highlight")?Ai(e,{index$:zi,location$:Kt}):y),...me("header").map(e=>si(e,{viewport$:ke,header$:ft,main$:qt})),...me("header-title").map(e=>ci(e,{viewport$:ke,header$:ft})),...me("sidebar").map(e=>e.getAttribute("data-md-type")==="navigation"?eo(Vi,()=>lo(e,{viewport$:ke,header$:ft,main$:qt})):eo(Lr,()=>lo(e,{viewport$:ke,header$:ft,main$:qt}))),...me("tabs").map(e=>Pi(e,{viewport$:ke,header$:ft})),...me("toc").map(e=>Ri(e,{viewport$:ke,header$:ft,main$:qt,target$:Ht})),...me("top").map(e=>Ii(e,{viewport$:ke,header$:ft,main$:qt,target$:Ht})))),Ki=ct.pipe(b(()=>$s),Ve(Hs),Z(1));Ki.subscribe();window.document$=ct;window.location$=Kt;window.target$=Ht;window.keyboard$=mo;window.viewport$=ke;window.tablet$=Lr;window.screen$=Vi;window.print$=Ni;window.alert$=fo;window.progress$=uo;window.component$=Ki;})();
+//# sourceMappingURL=bundle.e71a0d61.min.js.map
+
diff --git a/dev/assets/javascripts/bundle.e71a0d61.min.js.map b/dev/assets/javascripts/bundle.e71a0d61.min.js.map
new file mode 100644
index 00000000..23451b54
--- /dev/null
+++ b/dev/assets/javascripts/bundle.e71a0d61.min.js.map
@@ -0,0 +1,7 @@
+{
+  "version": 3,
+  "sources": ["node_modules/focus-visible/dist/focus-visible.js", "node_modules/escape-html/index.js", "node_modules/clipboard/dist/clipboard.js", "src/templates/assets/javascripts/bundle.ts", "node_modules/tslib/tslib.es6.mjs", "node_modules/rxjs/src/internal/util/isFunction.ts", "node_modules/rxjs/src/internal/util/createErrorClass.ts", "node_modules/rxjs/src/internal/util/UnsubscriptionError.ts", "node_modules/rxjs/src/internal/util/arrRemove.ts", "node_modules/rxjs/src/internal/Subscription.ts", "node_modules/rxjs/src/internal/config.ts", "node_modules/rxjs/src/internal/scheduler/timeoutProvider.ts", "node_modules/rxjs/src/internal/util/reportUnhandledError.ts", "node_modules/rxjs/src/internal/util/noop.ts", "node_modules/rxjs/src/internal/NotificationFactories.ts", "node_modules/rxjs/src/internal/util/errorContext.ts", "node_modules/rxjs/src/internal/Subscriber.ts", "node_modules/rxjs/src/internal/symbol/observable.ts", "node_modules/rxjs/src/internal/util/identity.ts", 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+  "sourcesContent": ["(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? factory() :\n  typeof define === 'function' && define.amd ? define(factory) :\n  (factory());\n}(this, (function () { 'use strict';\n\n  /**\n   * Applies the :focus-visible polyfill at the given scope.\n   * A scope in this case is either the top-level Document or a Shadow Root.\n   *\n   * @param {(Document|ShadowRoot)} scope\n   * @see https://github.com/WICG/focus-visible\n   */\n  function applyFocusVisiblePolyfill(scope) {\n    var hadKeyboardEvent = true;\n    var hadFocusVisibleRecently = false;\n    var hadFocusVisibleRecentlyTimeout = null;\n\n    var inputTypesAllowlist = {\n      text: true,\n      search: true,\n      url: true,\n      tel: true,\n      email: true,\n      password: true,\n      number: true,\n      date: true,\n      month: true,\n      week: true,\n      time: true,\n      datetime: true,\n      'datetime-local': true\n    };\n\n    /**\n     * Helper function for legacy browsers and iframes which sometimes focus\n     * elements like document, body, and non-interactive SVG.\n     * @param {Element} el\n     */\n    function isValidFocusTarget(el) {\n      if (\n        el &&\n        el !== document &&\n        el.nodeName !== 'HTML' &&\n        el.nodeName !== 'BODY' &&\n        'classList' in el &&\n        'contains' in el.classList\n      ) {\n        return true;\n      }\n      return false;\n    }\n\n    /**\n     * Computes whether the given element should automatically trigger the\n     * `focus-visible` class being added, i.e. whether it should always match\n     * `:focus-visible` when focused.\n     * @param {Element} el\n     * @return {boolean}\n     */\n    function focusTriggersKeyboardModality(el) {\n      var type = el.type;\n      var tagName = el.tagName;\n\n      if (tagName === 'INPUT' && inputTypesAllowlist[type] && !el.readOnly) {\n        return true;\n      }\n\n      if (tagName === 'TEXTAREA' && !el.readOnly) {\n        return true;\n      }\n\n      if (el.isContentEditable) {\n        return true;\n      }\n\n      return false;\n    }\n\n    /**\n     * Add the `focus-visible` class to the given element if it was not added by\n     * the author.\n     * @param {Element} el\n     */\n    function addFocusVisibleClass(el) {\n      if (el.classList.contains('focus-visible')) {\n        return;\n      }\n      el.classList.add('focus-visible');\n      el.setAttribute('data-focus-visible-added', '');\n    }\n\n    /**\n     * Remove the `focus-visible` class from the given element if it was not\n     * originally added by the author.\n     * @param {Element} el\n     */\n    function removeFocusVisibleClass(el) {\n      if (!el.hasAttribute('data-focus-visible-added')) {\n        return;\n      }\n      el.classList.remove('focus-visible');\n      el.removeAttribute('data-focus-visible-added');\n    }\n\n    /**\n     * If the most recent user interaction was via the keyboard;\n     * and the key press did not include a meta, alt/option, or control key;\n     * then the modality is keyboard. Otherwise, the modality is not keyboard.\n     * Apply `focus-visible` to any current active element and keep track\n     * of our keyboard modality state with `hadKeyboardEvent`.\n     * @param {KeyboardEvent} e\n     */\n    function onKeyDown(e) {\n      if (e.metaKey || e.altKey || e.ctrlKey) {\n        return;\n      }\n\n      if (isValidFocusTarget(scope.activeElement)) {\n        addFocusVisibleClass(scope.activeElement);\n      }\n\n      hadKeyboardEvent = true;\n    }\n\n    /**\n     * If at any point a user clicks with a pointing device, ensure that we change\n     * the modality away from keyboard.\n     * This avoids the situation where a user presses a key on an already focused\n     * element, and then clicks on a different element, focusing it with a\n     * pointing device, while we still think we're in keyboard modality.\n     * @param {Event} e\n     */\n    function onPointerDown(e) {\n      hadKeyboardEvent = false;\n    }\n\n    /**\n     * On `focus`, add the `focus-visible` class to the target if:\n     * - the target received focus as a result of keyboard navigation, or\n     * - the event target is an element that will likely require interaction\n     *   via the keyboard (e.g. a text box)\n     * @param {Event} e\n     */\n    function onFocus(e) {\n      // Prevent IE from focusing the document or HTML element.\n      if (!isValidFocusTarget(e.target)) {\n        return;\n      }\n\n      if (hadKeyboardEvent || focusTriggersKeyboardModality(e.target)) {\n        addFocusVisibleClass(e.target);\n      }\n    }\n\n    /**\n     * On `blur`, remove the `focus-visible` class from the target.\n     * @param {Event} e\n     */\n    function onBlur(e) {\n      if (!isValidFocusTarget(e.target)) {\n        return;\n      }\n\n      if (\n        e.target.classList.contains('focus-visible') ||\n        e.target.hasAttribute('data-focus-visible-added')\n      ) {\n        // To detect a tab/window switch, we look for a blur event followed\n        // rapidly by a visibility change.\n        // If we don't see a visibility change within 100ms, it's probably a\n        // regular focus change.\n        hadFocusVisibleRecently = true;\n        window.clearTimeout(hadFocusVisibleRecentlyTimeout);\n        hadFocusVisibleRecentlyTimeout = window.setTimeout(function() {\n          hadFocusVisibleRecently = false;\n        }, 100);\n        removeFocusVisibleClass(e.target);\n      }\n    }\n\n    /**\n     * If the user changes tabs, keep track of whether or not the previously\n     * focused element had .focus-visible.\n     * @param {Event} e\n     */\n    function onVisibilityChange(e) {\n      if (document.visibilityState === 'hidden') {\n        // If the tab becomes active again, the browser will handle calling focus\n        // on the element (Safari actually calls it twice).\n        // If this tab change caused a blur on an element with focus-visible,\n        // re-apply the class when the user switches back to the tab.\n        if (hadFocusVisibleRecently) {\n          hadKeyboardEvent = true;\n        }\n        addInitialPointerMoveListeners();\n      }\n    }\n\n    /**\n     * Add a group of listeners to detect usage of any pointing devices.\n     * These listeners will be added when the polyfill first loads, and anytime\n     * the window is blurred, so that they are active when the window regains\n     * focus.\n     */\n    function addInitialPointerMoveListeners() {\n      document.addEventListener('mousemove', onInitialPointerMove);\n      document.addEventListener('mousedown', onInitialPointerMove);\n      document.addEventListener('mouseup', onInitialPointerMove);\n      document.addEventListener('pointermove', onInitialPointerMove);\n      document.addEventListener('pointerdown', onInitialPointerMove);\n      document.addEventListener('pointerup', onInitialPointerMove);\n      document.addEventListener('touchmove', onInitialPointerMove);\n      document.addEventListener('touchstart', onInitialPointerMove);\n      document.addEventListener('touchend', onInitialPointerMove);\n    }\n\n    function removeInitialPointerMoveListeners() {\n      document.removeEventListener('mousemove', onInitialPointerMove);\n      document.removeEventListener('mousedown', onInitialPointerMove);\n      document.removeEventListener('mouseup', onInitialPointerMove);\n      document.removeEventListener('pointermove', onInitialPointerMove);\n      document.removeEventListener('pointerdown', onInitialPointerMove);\n      document.removeEventListener('pointerup', onInitialPointerMove);\n      document.removeEventListener('touchmove', onInitialPointerMove);\n      document.removeEventListener('touchstart', onInitialPointerMove);\n      document.removeEventListener('touchend', onInitialPointerMove);\n    }\n\n    /**\n     * When the polfyill first loads, assume the user is in keyboard modality.\n     * If any event is received from a pointing device (e.g. mouse, pointer,\n     * touch), turn off keyboard modality.\n     * This accounts for situations where focus enters the page from the URL bar.\n     * @param {Event} e\n     */\n    function onInitialPointerMove(e) {\n      // Work around a Safari quirk that fires a mousemove on <html> whenever the\n      // window blurs, even if you're tabbing out of the page. \u00AF\\_(\u30C4)_/\u00AF\n      if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {\n        return;\n      }\n\n      hadKeyboardEvent = false;\n      removeInitialPointerMoveListeners();\n    }\n\n    // For some kinds of state, we are interested in changes at the global scope\n    // only. For example, global pointer input, global key presses and global\n    // visibility change should affect the state at every scope:\n    document.addEventListener('keydown', onKeyDown, true);\n    document.addEventListener('mousedown', onPointerDown, true);\n    document.addEventListener('pointerdown', onPointerDown, true);\n    document.addEventListener('touchstart', onPointerDown, true);\n    document.addEventListener('visibilitychange', onVisibilityChange, true);\n\n    addInitialPointerMoveListeners();\n\n    // For focus and blur, we specifically care about state changes in the local\n    // scope. This is because focus / blur events that originate from within a\n    // shadow root are not re-dispatched from the host element if it was already\n    // the active element in its own scope:\n    scope.addEventListener('focus', onFocus, true);\n    scope.addEventListener('blur', onBlur, true);\n\n    // We detect that a node is a ShadowRoot by ensuring that it is a\n    // DocumentFragment and also has a host property. This check covers native\n    // implementation and polyfill implementation transparently. If we only cared\n    // about the native implementation, we could just check if the scope was\n    // an instance of a ShadowRoot.\n    if (scope.nodeType === Node.DOCUMENT_FRAGMENT_NODE && scope.host) {\n      // Since a ShadowRoot is a special kind of DocumentFragment, it does not\n      // have a root element to add a class to. So, we add this attribute to the\n      // host element instead:\n      scope.host.setAttribute('data-js-focus-visible', '');\n    } else if (scope.nodeType === Node.DOCUMENT_NODE) {\n      document.documentElement.classList.add('js-focus-visible');\n      document.documentElement.setAttribute('data-js-focus-visible', '');\n    }\n  }\n\n  // It is important to wrap all references to global window and document in\n  // these checks to support server-side rendering use cases\n  // @see https://github.com/WICG/focus-visible/issues/199\n  if (typeof window !== 'undefined' && typeof document !== 'undefined') {\n    // Make the polyfill helper globally available. This can be used as a signal\n    // to interested libraries that wish to coordinate with the polyfill for e.g.,\n    // applying the polyfill to a shadow root:\n    window.applyFocusVisiblePolyfill = applyFocusVisiblePolyfill;\n\n    // Notify interested libraries of the polyfill's presence, in case the\n    // polyfill was loaded lazily:\n    var event;\n\n    try {\n      event = new CustomEvent('focus-visible-polyfill-ready');\n    } catch (error) {\n      // IE11 does not support using CustomEvent as a constructor directly:\n      event = document.createEvent('CustomEvent');\n      event.initCustomEvent('focus-visible-polyfill-ready', false, false, {});\n    }\n\n    window.dispatchEvent(event);\n  }\n\n  if (typeof document !== 'undefined') {\n    // Apply the polyfill to the global document, so that no JavaScript\n    // coordination is required to use the polyfill in the top-level document:\n    applyFocusVisiblePolyfill(document);\n  }\n\n})));\n", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param  {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n  var str = '' + string;\n  var match = matchHtmlRegExp.exec(str);\n\n  if (!match) {\n    return str;\n  }\n\n  var escape;\n  var html = '';\n  var index = 0;\n  var lastIndex = 0;\n\n  for (index = match.index; index < str.length; index++) {\n    switch (str.charCodeAt(index)) {\n      case 34: // \"\n        escape = '&quot;';\n        break;\n      case 38: // &\n        escape = '&amp;';\n        break;\n      case 39: // '\n        escape = '&#39;';\n        break;\n      case 60: // <\n        escape = '&lt;';\n        break;\n      case 62: // >\n        escape = '&gt;';\n        break;\n      default:\n        continue;\n    }\n\n    if (lastIndex !== index) {\n      html += str.substring(lastIndex, index);\n    }\n\n    lastIndex = index + 1;\n    html += escape;\n  }\n\n  return lastIndex !== index\n    ? html + str.substring(lastIndex, index)\n    : html;\n}\n", "/*!\n * clipboard.js v2.0.11\n * https://clipboardjs.com/\n *\n * Licensed MIT \u00A9 Zeno Rocha\n */\n(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"ClipboardJS\"] = factory();\n\telse\n\t\troot[\"ClipboardJS\"] = factory();\n})(this, function() {\nreturn /******/ (function() { // webpackBootstrap\n/******/ \tvar __webpack_modules__ = ({\n\n/***/ 686:\n/***/ (function(__unused_webpack_module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n\n// EXPORTS\n__webpack_require__.d(__webpack_exports__, {\n  \"default\": function() { return /* binding */ clipboard; }\n});\n\n// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js\nvar tiny_emitter = __webpack_require__(279);\nvar tiny_emitter_default = /*#__PURE__*/__webpack_require__.n(tiny_emitter);\n// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js\nvar listen = __webpack_require__(370);\nvar listen_default = /*#__PURE__*/__webpack_require__.n(listen);\n// EXTERNAL MODULE: ./node_modules/select/src/select.js\nvar src_select = __webpack_require__(817);\nvar select_default = /*#__PURE__*/__webpack_require__.n(src_select);\n;// CONCATENATED MODULE: ./src/common/command.js\n/**\n * Executes a given operation type.\n * @param {String} type\n * @return {Boolean}\n */\nfunction command(type) {\n  try {\n    return document.execCommand(type);\n  } catch (err) {\n    return false;\n  }\n}\n;// CONCATENATED MODULE: ./src/actions/cut.js\n\n\n/**\n * Cut action wrapper.\n * @param {String|HTMLElement} target\n * @return {String}\n */\n\nvar ClipboardActionCut = function ClipboardActionCut(target) {\n  var selectedText = select_default()(target);\n  command('cut');\n  return selectedText;\n};\n\n/* harmony default export */ var actions_cut = (ClipboardActionCut);\n;// CONCATENATED MODULE: ./src/common/create-fake-element.js\n/**\n * Creates a fake textarea element with a value.\n * @param {String} value\n * @return {HTMLElement}\n */\nfunction createFakeElement(value) {\n  var isRTL = document.documentElement.getAttribute('dir') === 'rtl';\n  var fakeElement = document.createElement('textarea'); // Prevent zooming on iOS\n\n  fakeElement.style.fontSize = '12pt'; // Reset box model\n\n  fakeElement.style.border = '0';\n  fakeElement.style.padding = '0';\n  fakeElement.style.margin = '0'; // Move element out of screen horizontally\n\n  fakeElement.style.position = 'absolute';\n  fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px'; // Move element to the same position vertically\n\n  var yPosition = window.pageYOffset || document.documentElement.scrollTop;\n  fakeElement.style.top = \"\".concat(yPosition, \"px\");\n  fakeElement.setAttribute('readonly', '');\n  fakeElement.value = value;\n  return fakeElement;\n}\n;// CONCATENATED MODULE: ./src/actions/copy.js\n\n\n\n/**\n * Create fake copy action wrapper using a fake element.\n * @param {String} target\n * @param {Object} options\n * @return {String}\n */\n\nvar fakeCopyAction = function fakeCopyAction(value, options) {\n  var fakeElement = createFakeElement(value);\n  options.container.appendChild(fakeElement);\n  var selectedText = select_default()(fakeElement);\n  command('copy');\n  fakeElement.remove();\n  return selectedText;\n};\n/**\n * Copy action wrapper.\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @return {String}\n */\n\n\nvar ClipboardActionCopy = function ClipboardActionCopy(target) {\n  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n    container: document.body\n  };\n  var selectedText = '';\n\n  if (typeof target === 'string') {\n    selectedText = fakeCopyAction(target, options);\n  } else if (target instanceof HTMLInputElement && !['text', 'search', 'url', 'tel', 'password'].includes(target === null || target === void 0 ? void 0 : target.type)) {\n    // If input type doesn't support `setSelectionRange`. Simulate it. https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/setSelectionRange\n    selectedText = fakeCopyAction(target.value, options);\n  } else {\n    selectedText = select_default()(target);\n    command('copy');\n  }\n\n  return selectedText;\n};\n\n/* harmony default export */ var actions_copy = (ClipboardActionCopy);\n;// CONCATENATED MODULE: ./src/actions/default.js\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n\n\n/**\n * Inner function which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n * @param {Object} options\n */\n\nvar ClipboardActionDefault = function ClipboardActionDefault() {\n  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n  // Defines base properties passed from constructor.\n  var _options$action = options.action,\n      action = _options$action === void 0 ? 'copy' : _options$action,\n      container = options.container,\n      target = options.target,\n      text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'.\n\n  if (action !== 'copy' && action !== 'cut') {\n    throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n  } // Sets the `target` property using an element that will be have its content copied.\n\n\n  if (target !== undefined) {\n    if (target && _typeof(target) === 'object' && target.nodeType === 1) {\n      if (action === 'copy' && target.hasAttribute('disabled')) {\n        throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n      }\n\n      if (action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n        throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n      }\n    } else {\n      throw new Error('Invalid \"target\" value, use a valid Element');\n    }\n  } // Define selection strategy based on `text` property.\n\n\n  if (text) {\n    return actions_copy(text, {\n      container: container\n    });\n  } // Defines which selection strategy based on `target` property.\n\n\n  if (target) {\n    return action === 'cut' ? actions_cut(target) : actions_copy(target, {\n      container: container\n    });\n  }\n};\n\n/* harmony default export */ var actions_default = (ClipboardActionDefault);\n;// CONCATENATED MODULE: ./src/clipboard.js\nfunction clipboard_typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return clipboard_typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\n\n\n\n\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\nfunction getAttributeValue(suffix, element) {\n  var attribute = \"data-clipboard-\".concat(suffix);\n\n  if (!element.hasAttribute(attribute)) {\n    return;\n  }\n\n  return element.getAttribute(attribute);\n}\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\n\nvar Clipboard = /*#__PURE__*/function (_Emitter) {\n  _inherits(Clipboard, _Emitter);\n\n  var _super = _createSuper(Clipboard);\n\n  /**\n   * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n   * @param {Object} options\n   */\n  function Clipboard(trigger, options) {\n    var _this;\n\n    _classCallCheck(this, Clipboard);\n\n    _this = _super.call(this);\n\n    _this.resolveOptions(options);\n\n    _this.listenClick(trigger);\n\n    return _this;\n  }\n  /**\n   * Defines if attributes would be resolved using internal setter functions\n   * or custom functions that were passed in the constructor.\n   * @param {Object} options\n   */\n\n\n  _createClass(Clipboard, [{\n    key: \"resolveOptions\",\n    value: function resolveOptions() {\n      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n      this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n      this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n      this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n      this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n    }\n    /**\n     * Adds a click event listener to the passed trigger.\n     * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n     */\n\n  }, {\n    key: \"listenClick\",\n    value: function listenClick(trigger) {\n      var _this2 = this;\n\n      this.listener = listen_default()(trigger, 'click', function (e) {\n        return _this2.onClick(e);\n      });\n    }\n    /**\n     * Defines a new `ClipboardAction` on each click event.\n     * @param {Event} e\n     */\n\n  }, {\n    key: \"onClick\",\n    value: function onClick(e) {\n      var trigger = e.delegateTarget || e.currentTarget;\n      var action = this.action(trigger) || 'copy';\n      var text = actions_default({\n        action: action,\n        container: this.container,\n        target: this.target(trigger),\n        text: this.text(trigger)\n      }); // Fires an event based on the copy operation result.\n\n      this.emit(text ? 'success' : 'error', {\n        action: action,\n        text: text,\n        trigger: trigger,\n        clearSelection: function clearSelection() {\n          if (trigger) {\n            trigger.focus();\n          }\n\n          window.getSelection().removeAllRanges();\n        }\n      });\n    }\n    /**\n     * Default `action` lookup function.\n     * @param {Element} trigger\n     */\n\n  }, {\n    key: \"defaultAction\",\n    value: function defaultAction(trigger) {\n      return getAttributeValue('action', trigger);\n    }\n    /**\n     * Default `target` lookup function.\n     * @param {Element} trigger\n     */\n\n  }, {\n    key: \"defaultTarget\",\n    value: function defaultTarget(trigger) {\n      var selector = getAttributeValue('target', trigger);\n\n      if (selector) {\n        return document.querySelector(selector);\n      }\n    }\n    /**\n     * Allow fire programmatically a copy action\n     * @param {String|HTMLElement} target\n     * @param {Object} options\n     * @returns Text copied.\n     */\n\n  }, {\n    key: \"defaultText\",\n\n    /**\n     * Default `text` lookup function.\n     * @param {Element} trigger\n     */\n    value: function defaultText(trigger) {\n      return getAttributeValue('text', trigger);\n    }\n    /**\n     * Destroy lifecycle.\n     */\n\n  }, {\n    key: \"destroy\",\n    value: function destroy() {\n      this.listener.destroy();\n    }\n  }], [{\n    key: \"copy\",\n    value: function copy(target) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n        container: document.body\n      };\n      return actions_copy(target, options);\n    }\n    /**\n     * Allow fire programmatically a cut action\n     * @param {String|HTMLElement} target\n     * @returns Text cutted.\n     */\n\n  }, {\n    key: \"cut\",\n    value: function cut(target) {\n      return actions_cut(target);\n    }\n    /**\n     * Returns the support of the given action, or all actions if no action is\n     * given.\n     * @param {String} [action]\n     */\n\n  }, {\n    key: \"isSupported\",\n    value: function isSupported() {\n      var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n      var actions = typeof action === 'string' ? [action] : action;\n      var support = !!document.queryCommandSupported;\n      actions.forEach(function (action) {\n        support = support && !!document.queryCommandSupported(action);\n      });\n      return support;\n    }\n  }]);\n\n  return Clipboard;\n}((tiny_emitter_default()));\n\n/* harmony default export */ var clipboard = (Clipboard);\n\n/***/ }),\n\n/***/ 828:\n/***/ (function(module) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n    var proto = Element.prototype;\n\n    proto.matches = proto.matchesSelector ||\n                    proto.mozMatchesSelector ||\n                    proto.msMatchesSelector ||\n                    proto.oMatchesSelector ||\n                    proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n    while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n        if (typeof element.matches === 'function' &&\n            element.matches(selector)) {\n          return element;\n        }\n        element = element.parentNode;\n    }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n\n/***/ 438:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar closest = __webpack_require__(828);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n    var listenerFn = listener.apply(this, arguments);\n\n    element.addEventListener(type, listenerFn, useCapture);\n\n    return {\n        destroy: function() {\n            element.removeEventListener(type, listenerFn, useCapture);\n        }\n    }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n    // Handle the regular Element usage\n    if (typeof elements.addEventListener === 'function') {\n        return _delegate.apply(null, arguments);\n    }\n\n    // Handle Element-less usage, it defaults to global delegation\n    if (typeof type === 'function') {\n        // Use `document` as the first parameter, then apply arguments\n        // This is a short way to .unshift `arguments` without running into deoptimizations\n        return _delegate.bind(null, document).apply(null, arguments);\n    }\n\n    // Handle Selector-based usage\n    if (typeof elements === 'string') {\n        elements = document.querySelectorAll(elements);\n    }\n\n    // Handle Array-like based usage\n    return Array.prototype.map.call(elements, function (element) {\n        return _delegate(element, selector, type, callback, useCapture);\n    });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n    return function(e) {\n        e.delegateTarget = closest(e.target, selector);\n\n        if (e.delegateTarget) {\n            callback.call(element, e);\n        }\n    }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n\n/***/ 879:\n/***/ (function(__unused_webpack_module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n    return value !== undefined\n        && value instanceof HTMLElement\n        && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n    var type = Object.prototype.toString.call(value);\n\n    return value !== undefined\n        && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n        && ('length' in value)\n        && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n    return typeof value === 'string'\n        || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n    var type = Object.prototype.toString.call(value);\n\n    return type === '[object Function]';\n};\n\n\n/***/ }),\n\n/***/ 370:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar is = __webpack_require__(879);\nvar delegate = __webpack_require__(438);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n    if (!target && !type && !callback) {\n        throw new Error('Missing required arguments');\n    }\n\n    if (!is.string(type)) {\n        throw new TypeError('Second argument must be a String');\n    }\n\n    if (!is.fn(callback)) {\n        throw new TypeError('Third argument must be a Function');\n    }\n\n    if (is.node(target)) {\n        return listenNode(target, type, callback);\n    }\n    else if (is.nodeList(target)) {\n        return listenNodeList(target, type, callback);\n    }\n    else if (is.string(target)) {\n        return listenSelector(target, type, callback);\n    }\n    else {\n        throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n    }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n    node.addEventListener(type, callback);\n\n    return {\n        destroy: function() {\n            node.removeEventListener(type, callback);\n        }\n    }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n    Array.prototype.forEach.call(nodeList, function(node) {\n        node.addEventListener(type, callback);\n    });\n\n    return {\n        destroy: function() {\n            Array.prototype.forEach.call(nodeList, function(node) {\n                node.removeEventListener(type, callback);\n            });\n        }\n    }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n    return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n\n/***/ 817:\n/***/ (function(module) {\n\nfunction select(element) {\n    var selectedText;\n\n    if (element.nodeName === 'SELECT') {\n        element.focus();\n\n        selectedText = element.value;\n    }\n    else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n        var isReadOnly = element.hasAttribute('readonly');\n\n        if (!isReadOnly) {\n            element.setAttribute('readonly', '');\n        }\n\n        element.select();\n        element.setSelectionRange(0, element.value.length);\n\n        if (!isReadOnly) {\n            element.removeAttribute('readonly');\n        }\n\n        selectedText = element.value;\n    }\n    else {\n        if (element.hasAttribute('contenteditable')) {\n            element.focus();\n        }\n\n        var selection = window.getSelection();\n        var range = document.createRange();\n\n        range.selectNodeContents(element);\n        selection.removeAllRanges();\n        selection.addRange(range);\n\n        selectedText = selection.toString();\n    }\n\n    return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n\n/***/ 279:\n/***/ (function(module) {\n\nfunction E () {\n  // Keep this empty so it's easier to inherit from\n  // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n  on: function (name, callback, ctx) {\n    var e = this.e || (this.e = {});\n\n    (e[name] || (e[name] = [])).push({\n      fn: callback,\n      ctx: ctx\n    });\n\n    return this;\n  },\n\n  once: function (name, callback, ctx) {\n    var self = this;\n    function listener () {\n      self.off(name, listener);\n      callback.apply(ctx, arguments);\n    };\n\n    listener._ = callback\n    return this.on(name, listener, ctx);\n  },\n\n  emit: function (name) {\n    var data = [].slice.call(arguments, 1);\n    var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n    var i = 0;\n    var len = evtArr.length;\n\n    for (i; i < len; i++) {\n      evtArr[i].fn.apply(evtArr[i].ctx, data);\n    }\n\n    return this;\n  },\n\n  off: function (name, callback) {\n    var e = this.e || (this.e = {});\n    var evts = e[name];\n    var liveEvents = [];\n\n    if (evts && callback) {\n      for (var i = 0, len = evts.length; i < len; i++) {\n        if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n          liveEvents.push(evts[i]);\n      }\n    }\n\n    // Remove event from queue to prevent memory leak\n    // Suggested by https://github.com/lazd\n    // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n    (liveEvents.length)\n      ? e[name] = liveEvents\n      : delete e[name];\n\n    return this;\n  }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ })\n\n/******/ \t});\n/************************************************************************/\n/******/ \t// The module cache\n/******/ \tvar __webpack_module_cache__ = {};\n/******/ \t\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(__webpack_module_cache__[moduleId]) {\n/******/ \t\t\treturn __webpack_module_cache__[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = __webpack_module_cache__[moduleId] = {\n/******/ \t\t\t// no module.id needed\n/******/ \t\t\t// no module.loaded needed\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/ \t\n/******/ \t\t// Execute the module function\n/******/ \t\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n/******/ \t\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/ \t\n/************************************************************************/\n/******/ \t/* webpack/runtime/compat get default export */\n/******/ \t!function() {\n/******/ \t\t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t\t__webpack_require__.n = function(module) {\n/******/ \t\t\tvar getter = module && module.__esModule ?\n/******/ \t\t\t\tfunction() { return module['default']; } :\n/******/ \t\t\t\tfunction() { return module; };\n/******/ \t\t\t__webpack_require__.d(getter, { a: getter });\n/******/ \t\t\treturn getter;\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/define property getters */\n/******/ \t!function() {\n/******/ \t\t// define getter functions for harmony exports\n/******/ \t\t__webpack_require__.d = function(exports, definition) {\n/******/ \t\t\tfor(var key in definition) {\n/******/ \t\t\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n/******/ \t\t\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n/******/ \t\t\t\t}\n/******/ \t\t\t}\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/hasOwnProperty shorthand */\n/******/ \t!function() {\n/******/ \t\t__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }\n/******/ \t}();\n/******/ \t\n/************************************************************************/\n/******/ \t// module exports must be returned from runtime so entry inlining is disabled\n/******/ \t// startup\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(686);\n/******/ })()\n.default;\n});", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"focus-visible\"\n\nimport {\n  EMPTY,\n  NEVER,\n  Observable,\n  Subject,\n  defer,\n  delay,\n  filter,\n  map,\n  merge,\n  mergeWith,\n  shareReplay,\n  switchMap\n} from \"rxjs\"\n\nimport { configuration, feature } from \"./_\"\nimport {\n  at,\n  getActiveElement,\n  getOptionalElement,\n  requestJSON,\n  setLocation,\n  setToggle,\n  watchDocument,\n  watchKeyboard,\n  watchLocation,\n  watchLocationTarget,\n  watchMedia,\n  watchPrint,\n  watchScript,\n  watchViewport\n} from \"./browser\"\nimport {\n  getComponentElement,\n  getComponentElements,\n  mountAnnounce,\n  mountBackToTop,\n  mountConsent,\n  mountContent,\n  mountDialog,\n  mountHeader,\n  mountHeaderTitle,\n  mountPalette,\n  mountProgress,\n  mountSearch,\n  mountSearchHiglight,\n  mountSidebar,\n  mountSource,\n  mountTableOfContents,\n  mountTabs,\n  watchHeader,\n  watchMain\n} from \"./components\"\nimport {\n  SearchIndex,\n  fetchSitemap,\n  setupAlternate,\n  setupClipboardJS,\n  setupInstantNavigation,\n  setupVersionSelector\n} from \"./integrations\"\nimport {\n  patchEllipsis,\n  patchIndeterminate,\n  patchScrollfix,\n  patchScrolllock\n} from \"./patches\"\nimport \"./polyfills\"\n\n/* ----------------------------------------------------------------------------\n * Functions - @todo refactor\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch search index\n *\n * @returns Search index observable\n */\nfunction fetchSearchIndex(): Observable<SearchIndex> {\n  if (location.protocol === \"file:\") {\n    return watchScript(\n      `${new URL(\"search/search_index.js\", config.base)}`\n    )\n      .pipe(\n        // @ts-ignore - @todo fix typings\n        map(() => __index),\n        shareReplay(1)\n      )\n  } else {\n    return requestJSON<SearchIndex>(\n      new URL(\"search/search_index.json\", config.base)\n    )\n  }\n}\n\n/* ----------------------------------------------------------------------------\n * Application\n * ------------------------------------------------------------------------- */\n\n/* Yay, JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Set up navigation observables and subjects */\nconst document$ = watchDocument()\nconst location$ = watchLocation()\nconst target$   = watchLocationTarget(location$)\nconst keyboard$ = watchKeyboard()\n\n/* Set up media observables */\nconst viewport$ = watchViewport()\nconst tablet$   = watchMedia(\"(min-width: 60em)\")\nconst screen$   = watchMedia(\"(min-width: 76.25em)\")\nconst print$    = watchPrint()\n\n/* Retrieve search index, if search is enabled */\nconst config = configuration()\nconst index$ = document.forms.namedItem(\"search\")\n  ? fetchSearchIndex()\n  : NEVER\n\n/* Set up Clipboard.js integration */\nconst alert$ = new Subject<string>()\nsetupClipboardJS({ alert$ })\n\n/* Set up language selector */\nsetupAlternate({ document$ })\n\n/* Set up progress indicator */\nconst progress$ = new Subject<number>()\n\n/* Set up sitemap for instant navigation and previews */\nconst sitemap$ = fetchSitemap(config.base)\n\n/* Set up instant navigation, if enabled */\nif (feature(\"navigation.instant\"))\n  setupInstantNavigation({ sitemap$, location$, viewport$, progress$ })\n    .subscribe(document$)\n\n/* Set up version selector */\nif (config.version?.provider === \"mike\")\n  setupVersionSelector({ document$ })\n\n/* Always close drawer and search on navigation */\nmerge(location$, target$)\n  .pipe(\n    delay(125)\n  )\n    .subscribe(() => {\n      setToggle(\"drawer\", false)\n      setToggle(\"search\", false)\n    })\n\n/* Set up global keyboard handlers */\nkeyboard$\n  .pipe(\n    filter(({ mode }) => mode === \"global\")\n  )\n    .subscribe(key => {\n      switch (key.type) {\n\n        /* Go to previous page */\n        case \"p\":\n        case \",\":\n          const prev = getOptionalElement<HTMLLinkElement>(\"link[rel=prev]\")\n          if (typeof prev !== \"undefined\")\n            setLocation(prev)\n          break\n\n        /* Go to next page */\n        case \"n\":\n        case \".\":\n          const next = getOptionalElement<HTMLLinkElement>(\"link[rel=next]\")\n          if (typeof next !== \"undefined\")\n            setLocation(next)\n          break\n\n        /* Expand navigation, see https://bit.ly/3ZjG5io */\n        case \"Enter\":\n          const active = getActiveElement()\n          if (active instanceof HTMLLabelElement)\n            active.click()\n      }\n    })\n\n/* Set up patches */\npatchEllipsis({ viewport$, document$ })\npatchIndeterminate({ document$, tablet$ })\npatchScrollfix({ document$ })\npatchScrolllock({ viewport$, tablet$ })\n\n/* Set up header and main area observable */\nconst header$ = watchHeader(getComponentElement(\"header\"), { viewport$ })\nconst main$ = document$\n  .pipe(\n    map(() => getComponentElement(\"main\")),\n    switchMap(el => watchMain(el, { viewport$, header$ })),\n    shareReplay(1)\n  )\n\n/* Set up control component observables */\nconst control$ = merge(\n\n  /* Consent */\n  ...getComponentElements(\"consent\")\n    .map(el => mountConsent(el, { target$ })),\n\n  /* Dialog */\n  ...getComponentElements(\"dialog\")\n    .map(el => mountDialog(el, { alert$ })),\n\n  /* Color palette */\n  ...getComponentElements(\"palette\")\n    .map(el => mountPalette(el)),\n\n  /* Progress bar */\n  ...getComponentElements(\"progress\")\n    .map(el => mountProgress(el, { progress$ })),\n\n  /* Search */\n  ...getComponentElements(\"search\")\n    .map(el => mountSearch(el, { index$, keyboard$ })),\n\n  /* Repository information */\n  ...getComponentElements(\"source\")\n    .map(el => mountSource(el))\n)\n\n/* Set up content component observables */\nconst content$ = defer(() => merge(\n\n  /* Announcement bar */\n  ...getComponentElements(\"announce\")\n    .map(el => mountAnnounce(el)),\n\n  /* Content */\n  ...getComponentElements(\"content\")\n    .map(el => mountContent(el, { sitemap$, viewport$, target$, print$ })),\n\n  /* Search highlighting */\n  ...getComponentElements(\"content\")\n    .map(el => feature(\"search.highlight\")\n      ? mountSearchHiglight(el, { index$, location$ })\n      : EMPTY\n    ),\n\n  /* Header */\n  ...getComponentElements(\"header\")\n    .map(el => mountHeader(el, { viewport$, header$, main$ })),\n\n  /* Header title */\n  ...getComponentElements(\"header-title\")\n    .map(el => mountHeaderTitle(el, { viewport$, header$ })),\n\n  /* Sidebar */\n  ...getComponentElements(\"sidebar\")\n    .map(el => el.getAttribute(\"data-md-type\") === \"navigation\"\n      ? at(screen$, () => mountSidebar(el, { viewport$, header$, main$ }))\n      : at(tablet$, () => mountSidebar(el, { viewport$, header$, main$ }))\n    ),\n\n  /* Navigation tabs */\n  ...getComponentElements(\"tabs\")\n    .map(el => mountTabs(el, { viewport$, header$ })),\n\n  /* Table of contents */\n  ...getComponentElements(\"toc\")\n    .map(el => mountTableOfContents(el, {\n      viewport$, header$, main$, target$\n    })),\n\n  /* Back-to-top button */\n  ...getComponentElements(\"top\")\n    .map(el => mountBackToTop(el, { viewport$, header$, main$, target$ }))\n))\n\n/* Set up component observables */\nconst component$ = document$\n  .pipe(\n    switchMap(() => content$),\n    mergeWith(control$),\n    shareReplay(1)\n  )\n\n/* Subscribe to all components */\ncomponent$.subscribe()\n\n/* ----------------------------------------------------------------------------\n * Exports\n * ------------------------------------------------------------------------- */\n\nwindow.document$  = document$          /* Document observable */\nwindow.location$  = location$          /* Location subject */\nwindow.target$    = target$            /* Location target observable */\nwindow.keyboard$  = keyboard$          /* Keyboard observable */\nwindow.viewport$  = viewport$          /* Viewport observable */\nwindow.tablet$    = tablet$            /* Media tablet observable */\nwindow.screen$    = screen$            /* Media screen observable */\nwindow.print$     = print$             /* Media print observable */\nwindow.alert$     = alert$             /* Alert subject */\nwindow.progress$  = progress$          /* Progress indicator subject */\nwindow.component$ = component$         /* Component observable */\n", "/******************************************************************************\nCopyright (c) Microsoft Corporation.\n\nPermission to use, copy, modify, and/or distribute this software for any\npurpose with or without fee is hereby granted.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\nPERFORMANCE OF THIS SOFTWARE.\n***************************************************************************** */\n/* global Reflect, Promise, SuppressedError, Symbol, Iterator */\n\nvar extendStatics = function(d, b) {\n  extendStatics = Object.setPrototypeOf ||\n      ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n      function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n  return extendStatics(d, b);\n};\n\nexport function __extends(d, b) {\n  if (typeof b !== \"function\" && b !== null)\n      throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n  extendStatics(d, b);\n  function __() { this.constructor = d; }\n  d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n}\n\nexport var __assign = function() {\n  __assign = Object.assign || function __assign(t) {\n      for (var s, i = 1, n = arguments.length; i < n; i++) {\n          s = arguments[i];\n          for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\n      }\n      return t;\n  }\n  return __assign.apply(this, arguments);\n}\n\nexport function __rest(s, e) {\n  var t = {};\n  for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\n      t[p] = s[p];\n  if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\n      for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\n          if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\n              t[p[i]] = s[p[i]];\n      }\n  return t;\n}\n\nexport function __decorate(decorators, target, key, desc) {\n  var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n  if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n  else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n  return c > 3 && r && Object.defineProperty(target, key, r), r;\n}\n\nexport function __param(paramIndex, decorator) {\n  return function (target, key) { decorator(target, key, paramIndex); }\n}\n\nexport function __esDecorate(ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {\n  function accept(f) { if (f !== void 0 && typeof f !== \"function\") throw new TypeError(\"Function expected\"); return f; }\n  var kind = contextIn.kind, key = kind === \"getter\" ? \"get\" : kind === \"setter\" ? \"set\" : \"value\";\n  var target = !descriptorIn && ctor ? contextIn[\"static\"] ? ctor : ctor.prototype : null;\n  var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});\n  var _, done = false;\n  for (var i = decorators.length - 1; i >= 0; i--) {\n      var context = {};\n      for (var p in contextIn) context[p] = p === \"access\" ? {} : contextIn[p];\n      for (var p in contextIn.access) context.access[p] = contextIn.access[p];\n      context.addInitializer = function (f) { if (done) throw new TypeError(\"Cannot add initializers after decoration has completed\"); extraInitializers.push(accept(f || null)); };\n      var result = (0, decorators[i])(kind === \"accessor\" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);\n      if (kind === \"accessor\") {\n          if (result === void 0) continue;\n          if (result === null || typeof result !== \"object\") throw new TypeError(\"Object expected\");\n          if (_ = accept(result.get)) descriptor.get = _;\n          if (_ = accept(result.set)) descriptor.set = _;\n          if (_ = accept(result.init)) initializers.unshift(_);\n      }\n      else if (_ = accept(result)) {\n          if (kind === \"field\") initializers.unshift(_);\n          else descriptor[key] = _;\n      }\n  }\n  if (target) Object.defineProperty(target, contextIn.name, descriptor);\n  done = true;\n};\n\nexport function __runInitializers(thisArg, initializers, value) {\n  var useValue = arguments.length > 2;\n  for (var i = 0; i < initializers.length; i++) {\n      value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);\n  }\n  return useValue ? value : void 0;\n};\n\nexport function __propKey(x) {\n  return typeof x === \"symbol\" ? x : \"\".concat(x);\n};\n\nexport function __setFunctionName(f, name, prefix) {\n  if (typeof name === \"symbol\") name = name.description ? \"[\".concat(name.description, \"]\") : \"\";\n  return Object.defineProperty(f, \"name\", { configurable: true, value: prefix ? \"\".concat(prefix, \" \", name) : name });\n};\n\nexport function __metadata(metadataKey, metadataValue) {\n  if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\n}\n\nexport function __awaiter(thisArg, _arguments, P, generator) {\n  function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n  return new (P || (P = Promise))(function (resolve, reject) {\n      function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n      function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n      function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n      step((generator = generator.apply(thisArg, _arguments || [])).next());\n  });\n}\n\nexport function __generator(thisArg, body) {\n  var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === \"function\" ? Iterator : Object).prototype);\n  return g.next = verb(0), g[\"throw\"] = verb(1), g[\"return\"] = verb(2), typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\n  function verb(n) { return function (v) { return step([n, v]); }; }\n  function step(op) {\n      if (f) throw new TypeError(\"Generator is already executing.\");\n      while (g && (g = 0, op[0] && (_ = 0)), _) try {\n          if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\n          if (y = 0, t) op = [op[0] & 2, t.value];\n          switch (op[0]) {\n              case 0: case 1: t = op; break;\n              case 4: _.label++; return { value: op[1], done: false };\n              case 5: _.label++; y = op[1]; op = [0]; continue;\n              case 7: op = _.ops.pop(); _.trys.pop(); continue;\n              default:\n                  if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\n                  if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\n                  if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\n                  if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\n                  if (t[2]) _.ops.pop();\n                  _.trys.pop(); continue;\n          }\n          op = body.call(thisArg, _);\n      } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\n      if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\n  }\n}\n\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\n  if (k2 === undefined) k2 = k;\n  var desc = Object.getOwnPropertyDescriptor(m, k);\n  if (!desc || (\"get\" in desc ? !m.__esModule : desc.writable || desc.configurable)) {\n      desc = { enumerable: true, get: function() { return m[k]; } };\n  }\n  Object.defineProperty(o, k2, desc);\n}) : (function(o, m, k, k2) {\n  if (k2 === undefined) k2 = k;\n  o[k2] = m[k];\n});\n\nexport function __exportStar(m, o) {\n  for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\n}\n\nexport function __values(o) {\n  var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\n  if (m) return m.call(o);\n  if (o && typeof o.length === \"number\") return {\n      next: function () {\n          if (o && i >= o.length) o = void 0;\n          return { value: o && o[i++], done: !o };\n      }\n  };\n  throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\n}\n\nexport function __read(o, n) {\n  var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n  if (!m) return o;\n  var i = m.call(o), r, ar = [], e;\n  try {\n      while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n  }\n  catch (error) { e = { error: error }; }\n  finally {\n      try {\n          if (r && !r.done && (m = i[\"return\"])) m.call(i);\n      }\n      finally { if (e) throw e.error; }\n  }\n  return ar;\n}\n\n/** @deprecated */\nexport function __spread() {\n  for (var ar = [], i = 0; i < arguments.length; i++)\n      ar = ar.concat(__read(arguments[i]));\n  return ar;\n}\n\n/** @deprecated */\nexport function __spreadArrays() {\n  for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\n  for (var r = Array(s), k = 0, i = 0; i < il; i++)\n      for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\n          r[k] = a[j];\n  return r;\n}\n\nexport function __spreadArray(to, from, pack) {\n  if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {\n      if (ar || !(i in from)) {\n          if (!ar) ar = Array.prototype.slice.call(from, 0, i);\n          ar[i] = from[i];\n      }\n  }\n  return to.concat(ar || Array.prototype.slice.call(from));\n}\n\nexport function __await(v) {\n  return this instanceof __await ? (this.v = v, this) : new __await(v);\n}\n\nexport function __asyncGenerator(thisArg, _arguments, generator) {\n  if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\n  var g = generator.apply(thisArg, _arguments || []), i, q = [];\n  return i = Object.create((typeof AsyncIterator === \"function\" ? AsyncIterator : Object).prototype), verb(\"next\"), verb(\"throw\"), verb(\"return\", awaitReturn), i[Symbol.asyncIterator] = function () { return this; }, i;\n  function awaitReturn(f) { return function (v) { return Promise.resolve(v).then(f, reject); }; }\n  function verb(n, f) { if (g[n]) { i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; if (f) i[n] = f(i[n]); } }\n  function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\n  function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\n  function fulfill(value) { resume(\"next\", value); }\n  function reject(value) { resume(\"throw\", value); }\n  function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\n}\n\nexport function __asyncDelegator(o) {\n  var i, p;\n  return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\n  function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: false } : f ? f(v) : v; } : f; }\n}\n\nexport function __asyncValues(o) {\n  if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\n  var m = o[Symbol.asyncIterator], i;\n  return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\n  function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\n  function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\n}\n\nexport function __makeTemplateObject(cooked, raw) {\n  if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\n  return cooked;\n};\n\nvar __setModuleDefault = Object.create ? (function(o, v) {\n  Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n  o[\"default\"] = v;\n};\n\nexport function __importStar(mod) {\n  if (mod && mod.__esModule) return mod;\n  var result = {};\n  if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n  __setModuleDefault(result, mod);\n  return result;\n}\n\nexport function __importDefault(mod) {\n  return (mod && mod.__esModule) ? mod : { default: mod };\n}\n\nexport function __classPrivateFieldGet(receiver, state, kind, f) {\n  if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a getter\");\n  if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot read private member from an object whose class did not declare it\");\n  return kind === \"m\" ? f : kind === \"a\" ? f.call(receiver) : f ? f.value : state.get(receiver);\n}\n\nexport function __classPrivateFieldSet(receiver, state, value, kind, f) {\n  if (kind === \"m\") throw new TypeError(\"Private method is not writable\");\n  if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a setter\");\n  if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot write private member to an object whose class did not declare it\");\n  return (kind === \"a\" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;\n}\n\nexport function __classPrivateFieldIn(state, receiver) {\n  if (receiver === null || (typeof receiver !== \"object\" && typeof receiver !== \"function\")) throw new TypeError(\"Cannot use 'in' operator on non-object\");\n  return typeof state === \"function\" ? receiver === state : state.has(receiver);\n}\n\nexport function __addDisposableResource(env, value, async) {\n  if (value !== null && value !== void 0) {\n    if (typeof value !== \"object\" && typeof value !== \"function\") throw new TypeError(\"Object expected.\");\n    var dispose, inner;\n    if (async) {\n      if (!Symbol.asyncDispose) throw new TypeError(\"Symbol.asyncDispose is not defined.\");\n      dispose = value[Symbol.asyncDispose];\n    }\n    if (dispose === void 0) {\n      if (!Symbol.dispose) throw new TypeError(\"Symbol.dispose is not defined.\");\n      dispose = value[Symbol.dispose];\n      if (async) inner = dispose;\n    }\n    if (typeof dispose !== \"function\") throw new TypeError(\"Object not disposable.\");\n    if (inner) dispose = function() { try { inner.call(this); } catch (e) { return Promise.reject(e); } };\n    env.stack.push({ value: value, dispose: dispose, async: async });\n  }\n  else if (async) {\n    env.stack.push({ async: true });\n  }\n  return value;\n}\n\nvar _SuppressedError = typeof SuppressedError === \"function\" ? SuppressedError : function (error, suppressed, message) {\n  var e = new Error(message);\n  return e.name = \"SuppressedError\", e.error = error, e.suppressed = suppressed, e;\n};\n\nexport function __disposeResources(env) {\n  function fail(e) {\n    env.error = env.hasError ? new _SuppressedError(e, env.error, \"An error was suppressed during disposal.\") : e;\n    env.hasError = true;\n  }\n  var r, s = 0;\n  function next() {\n    while (r = env.stack.pop()) {\n      try {\n        if (!r.async && s === 1) return s = 0, env.stack.push(r), Promise.resolve().then(next);\n        if (r.dispose) {\n          var result = r.dispose.call(r.value);\n          if (r.async) return s |= 2, Promise.resolve(result).then(next, function(e) { fail(e); return next(); });\n        }\n        else s |= 1;\n      }\n      catch (e) {\n        fail(e);\n      }\n    }\n    if (s === 1) return env.hasError ? Promise.reject(env.error) : Promise.resolve();\n    if (env.hasError) throw env.error;\n  }\n  return next();\n}\n\nexport default {\n  __extends,\n  __assign,\n  __rest,\n  __decorate,\n  __param,\n  __metadata,\n  __awaiter,\n  __generator,\n  __createBinding,\n  __exportStar,\n  __values,\n  __read,\n  __spread,\n  __spreadArrays,\n  __spreadArray,\n  __await,\n  __asyncGenerator,\n  __asyncDelegator,\n  __asyncValues,\n  __makeTemplateObject,\n  __importStar,\n  __importDefault,\n  __classPrivateFieldGet,\n  __classPrivateFieldSet,\n  __classPrivateFieldIn,\n  __addDisposableResource,\n  __disposeResources,\n};\n", "/**\n * Returns true if the object is a function.\n * @param value The value to check\n */\nexport function isFunction(value: any): value is (...args: any[]) => any {\n  return typeof value === 'function';\n}\n", "/**\n * Used to create Error subclasses until the community moves away from ES5.\n *\n * This is because compiling from TypeScript down to ES5 has issues with subclassing Errors\n * as well as other built-in types: https://github.com/Microsoft/TypeScript/issues/12123\n *\n * @param createImpl A factory function to create the actual constructor implementation. The returned\n * function should be a named function that calls `_super` internally.\n */\nexport function createErrorClass<T>(createImpl: (_super: any) => any): T {\n  const _super = (instance: any) => {\n    Error.call(instance);\n    instance.stack = new Error().stack;\n  };\n\n  const ctorFunc = createImpl(_super);\n  ctorFunc.prototype = Object.create(Error.prototype);\n  ctorFunc.prototype.constructor = ctorFunc;\n  return ctorFunc;\n}\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface UnsubscriptionError extends Error {\n  readonly errors: any[];\n}\n\nexport interface UnsubscriptionErrorCtor {\n  /**\n   * @deprecated Internal implementation detail. Do not construct error instances.\n   * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n   */\n  new (errors: any[]): UnsubscriptionError;\n}\n\n/**\n * An error thrown when one or more errors have occurred during the\n * `unsubscribe` of a {@link Subscription}.\n */\nexport const UnsubscriptionError: UnsubscriptionErrorCtor = createErrorClass(\n  (_super) =>\n    function UnsubscriptionErrorImpl(this: any, errors: (Error | string)[]) {\n      _super(this);\n      this.message = errors\n        ? `${errors.length} errors occurred during unsubscription:\n${errors.map((err, i) => `${i + 1}) ${err.toString()}`).join('\\n  ')}`\n        : '';\n      this.name = 'UnsubscriptionError';\n      this.errors = errors;\n    }\n);\n", "/**\n * Removes an item from an array, mutating it.\n * @param arr The array to remove the item from\n * @param item The item to remove\n */\nexport function arrRemove<T>(arr: T[] | undefined | null, item: T) {\n  if (arr) {\n    const index = arr.indexOf(item);\n    0 <= index && arr.splice(index, 1);\n  }\n}\n", "import { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nimport { SubscriptionLike, TeardownLogic, Unsubscribable } from './types';\nimport { arrRemove } from './util/arrRemove';\n\n/**\n * Represents a disposable resource, such as the execution of an Observable. A\n * Subscription has one important method, `unsubscribe`, that takes no argument\n * and just disposes the resource held by the subscription.\n *\n * Additionally, subscriptions may be grouped together through the `add()`\n * method, which will attach a child Subscription to the current Subscription.\n * When a Subscription is unsubscribed, all its children (and its grandchildren)\n * will be unsubscribed as well.\n */\nexport class Subscription implements SubscriptionLike {\n  public static EMPTY = (() => {\n    const empty = new Subscription();\n    empty.closed = true;\n    return empty;\n  })();\n\n  /**\n   * A flag to indicate whether this Subscription has already been unsubscribed.\n   */\n  public closed = false;\n\n  private _parentage: Subscription[] | Subscription | null = null;\n\n  /**\n   * The list of registered finalizers to execute upon unsubscription. Adding and removing from this\n   * list occurs in the {@link #add} and {@link #remove} methods.\n   */\n  private _finalizers: Exclude<TeardownLogic, void>[] | null = null;\n\n  /**\n   * @param initialTeardown A function executed first as part of the finalization\n   * process that is kicked off when {@link #unsubscribe} is called.\n   */\n  constructor(private initialTeardown?: () => void) {}\n\n  /**\n   * Disposes the resources held by the subscription. May, for instance, cancel\n   * an ongoing Observable execution or cancel any other type of work that\n   * started when the Subscription was created.\n   */\n  unsubscribe(): void {\n    let errors: any[] | undefined;\n\n    if (!this.closed) {\n      this.closed = true;\n\n      // Remove this from it's parents.\n      const { _parentage } = this;\n      if (_parentage) {\n        this._parentage = null;\n        if (Array.isArray(_parentage)) {\n          for (const parent of _parentage) {\n            parent.remove(this);\n          }\n        } else {\n          _parentage.remove(this);\n        }\n      }\n\n      const { initialTeardown: initialFinalizer } = this;\n      if (isFunction(initialFinalizer)) {\n        try {\n          initialFinalizer();\n        } catch (e) {\n          errors = e instanceof UnsubscriptionError ? e.errors : [e];\n        }\n      }\n\n      const { _finalizers } = this;\n      if (_finalizers) {\n        this._finalizers = null;\n        for (const finalizer of _finalizers) {\n          try {\n            execFinalizer(finalizer);\n          } catch (err) {\n            errors = errors ?? [];\n            if (err instanceof UnsubscriptionError) {\n              errors = [...errors, ...err.errors];\n            } else {\n              errors.push(err);\n            }\n          }\n        }\n      }\n\n      if (errors) {\n        throw new UnsubscriptionError(errors);\n      }\n    }\n  }\n\n  /**\n   * Adds a finalizer to this subscription, so that finalization will be unsubscribed/called\n   * when this subscription is unsubscribed. If this subscription is already {@link #closed},\n   * because it has already been unsubscribed, then whatever finalizer is passed to it\n   * will automatically be executed (unless the finalizer itself is also a closed subscription).\n   *\n   * Closed Subscriptions cannot be added as finalizers to any subscription. Adding a closed\n   * subscription to a any subscription will result in no operation. (A noop).\n   *\n   * Adding a subscription to itself, or adding `null` or `undefined` will not perform any\n   * operation at all. (A noop).\n   *\n   * `Subscription` instances that are added to this instance will automatically remove themselves\n   * if they are unsubscribed. Functions and {@link Unsubscribable} objects that you wish to remove\n   * will need to be removed manually with {@link #remove}\n   *\n   * @param teardown The finalization logic to add to this subscription.\n   */\n  add(teardown: TeardownLogic): void {\n    // Only add the finalizer if it's not undefined\n    // and don't add a subscription to itself.\n    if (teardown && teardown !== this) {\n      if (this.closed) {\n        // If this subscription is already closed,\n        // execute whatever finalizer is handed to it automatically.\n        execFinalizer(teardown);\n      } else {\n        if (teardown instanceof Subscription) {\n          // We don't add closed subscriptions, and we don't add the same subscription\n          // twice. Subscription unsubscribe is idempotent.\n          if (teardown.closed || teardown._hasParent(this)) {\n            return;\n          }\n          teardown._addParent(this);\n        }\n        (this._finalizers = this._finalizers ?? []).push(teardown);\n      }\n    }\n  }\n\n  /**\n   * Checks to see if a this subscription already has a particular parent.\n   * This will signal that this subscription has already been added to the parent in question.\n   * @param parent the parent to check for\n   */\n  private _hasParent(parent: Subscription) {\n    const { _parentage } = this;\n    return _parentage === parent || (Array.isArray(_parentage) && _parentage.includes(parent));\n  }\n\n  /**\n   * Adds a parent to this subscription so it can be removed from the parent if it\n   * unsubscribes on it's own.\n   *\n   * NOTE: THIS ASSUMES THAT {@link _hasParent} HAS ALREADY BEEN CHECKED.\n   * @param parent The parent subscription to add\n   */\n  private _addParent(parent: Subscription) {\n    const { _parentage } = this;\n    this._parentage = Array.isArray(_parentage) ? (_parentage.push(parent), _parentage) : _parentage ? [_parentage, parent] : parent;\n  }\n\n  /**\n   * Called on a child when it is removed via {@link #remove}.\n   * @param parent The parent to remove\n   */\n  private _removeParent(parent: Subscription) {\n    const { _parentage } = this;\n    if (_parentage === parent) {\n      this._parentage = null;\n    } else if (Array.isArray(_parentage)) {\n      arrRemove(_parentage, parent);\n    }\n  }\n\n  /**\n   * Removes a finalizer from this subscription that was previously added with the {@link #add} method.\n   *\n   * Note that `Subscription` instances, when unsubscribed, will automatically remove themselves\n   * from every other `Subscription` they have been added to. This means that using the `remove` method\n   * is not a common thing and should be used thoughtfully.\n   *\n   * If you add the same finalizer instance of a function or an unsubscribable object to a `Subscription` instance\n   * more than once, you will need to call `remove` the same number of times to remove all instances.\n   *\n   * All finalizer instances are removed to free up memory upon unsubscription.\n   *\n   * @param teardown The finalizer to remove from this subscription\n   */\n  remove(teardown: Exclude<TeardownLogic, void>): void {\n    const { _finalizers } = this;\n    _finalizers && arrRemove(_finalizers, teardown);\n\n    if (teardown instanceof Subscription) {\n      teardown._removeParent(this);\n    }\n  }\n}\n\nexport const EMPTY_SUBSCRIPTION = Subscription.EMPTY;\n\nexport function isSubscription(value: any): value is Subscription {\n  return (\n    value instanceof Subscription ||\n    (value && 'closed' in value && isFunction(value.remove) && isFunction(value.add) && isFunction(value.unsubscribe))\n  );\n}\n\nfunction execFinalizer(finalizer: Unsubscribable | (() => void)) {\n  if (isFunction(finalizer)) {\n    finalizer();\n  } else {\n    finalizer.unsubscribe();\n  }\n}\n", "import { Subscriber } from './Subscriber';\nimport { ObservableNotification } from './types';\n\n/**\n * The {@link GlobalConfig} object for RxJS. It is used to configure things\n * like how to react on unhandled errors.\n */\nexport const config: GlobalConfig = {\n  onUnhandledError: null,\n  onStoppedNotification: null,\n  Promise: undefined,\n  useDeprecatedSynchronousErrorHandling: false,\n  useDeprecatedNextContext: false,\n};\n\n/**\n * The global configuration object for RxJS, used to configure things\n * like how to react on unhandled errors. Accessible via {@link config}\n * object.\n */\nexport interface GlobalConfig {\n  /**\n   * A registration point for unhandled errors from RxJS. These are errors that\n   * cannot were not handled by consuming code in the usual subscription path. For\n   * example, if you have this configured, and you subscribe to an observable without\n   * providing an error handler, errors from that subscription will end up here. This\n   * will _always_ be called asynchronously on another job in the runtime. This is because\n   * we do not want errors thrown in this user-configured handler to interfere with the\n   * behavior of the library.\n   */\n  onUnhandledError: ((err: any) => void) | null;\n\n  /**\n   * A registration point for notifications that cannot be sent to subscribers because they\n   * have completed, errored or have been explicitly unsubscribed. By default, next, complete\n   * and error notifications sent to stopped subscribers are noops. However, sometimes callers\n   * might want a different behavior. For example, with sources that attempt to report errors\n   * to stopped subscribers, a caller can configure RxJS to throw an unhandled error instead.\n   * This will _always_ be called asynchronously on another job in the runtime. This is because\n   * we do not want errors thrown in this user-configured handler to interfere with the\n   * behavior of the library.\n   */\n  onStoppedNotification: ((notification: ObservableNotification<any>, subscriber: Subscriber<any>) => void) | null;\n\n  /**\n   * The promise constructor used by default for {@link Observable#toPromise toPromise} and {@link Observable#forEach forEach}\n   * methods.\n   *\n   * @deprecated As of version 8, RxJS will no longer support this sort of injection of a\n   * Promise constructor. If you need a Promise implementation other than native promises,\n   * please polyfill/patch Promise as you see appropriate. Will be removed in v8.\n   */\n  Promise?: PromiseConstructorLike;\n\n  /**\n   * If true, turns on synchronous error rethrowing, which is a deprecated behavior\n   * in v6 and higher. This behavior enables bad patterns like wrapping a subscribe\n   * call in a try/catch block. It also enables producer interference, a nasty bug\n   * where a multicast can be broken for all observers by a downstream consumer with\n   * an unhandled error. DO NOT USE THIS FLAG UNLESS IT'S NEEDED TO BUY TIME\n   * FOR MIGRATION REASONS.\n   *\n   * @deprecated As of version 8, RxJS will no longer support synchronous throwing\n   * of unhandled errors. All errors will be thrown on a separate call stack to prevent bad\n   * behaviors described above. Will be removed in v8.\n   */\n  useDeprecatedSynchronousErrorHandling: boolean;\n\n  /**\n   * If true, enables an as-of-yet undocumented feature from v5: The ability to access\n   * `unsubscribe()` via `this` context in `next` functions created in observers passed\n   * to `subscribe`.\n   *\n   * This is being removed because the performance was severely problematic, and it could also cause\n   * issues when types other than POJOs are passed to subscribe as subscribers, as they will likely have\n   * their `this` context overwritten.\n   *\n   * @deprecated As of version 8, RxJS will no longer support altering the\n   * context of next functions provided as part of an observer to Subscribe. Instead,\n   * you will have access to a subscription or a signal or token that will allow you to do things like\n   * unsubscribe and test closed status. Will be removed in v8.\n   */\n  useDeprecatedNextContext: boolean;\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetTimeoutFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearTimeoutFunction = (handle: TimerHandle) => void;\n\ninterface TimeoutProvider {\n  setTimeout: SetTimeoutFunction;\n  clearTimeout: ClearTimeoutFunction;\n  delegate:\n    | {\n        setTimeout: SetTimeoutFunction;\n        clearTimeout: ClearTimeoutFunction;\n      }\n    | undefined;\n}\n\nexport const timeoutProvider: TimeoutProvider = {\n  // When accessing the delegate, use the variable rather than `this` so that\n  // the functions can be called without being bound to the provider.\n  setTimeout(handler: () => void, timeout?: number, ...args) {\n    const { delegate } = timeoutProvider;\n    if (delegate?.setTimeout) {\n      return delegate.setTimeout(handler, timeout, ...args);\n    }\n    return setTimeout(handler, timeout, ...args);\n  },\n  clearTimeout(handle) {\n    const { delegate } = timeoutProvider;\n    return (delegate?.clearTimeout || clearTimeout)(handle as any);\n  },\n  delegate: undefined,\n};\n", "import { config } from '../config';\nimport { timeoutProvider } from '../scheduler/timeoutProvider';\n\n/**\n * Handles an error on another job either with the user-configured {@link onUnhandledError},\n * or by throwing it on that new job so it can be picked up by `window.onerror`, `process.on('error')`, etc.\n *\n * This should be called whenever there is an error that is out-of-band with the subscription\n * or when an error hits a terminal boundary of the subscription and no error handler was provided.\n *\n * @param err the error to report\n */\nexport function reportUnhandledError(err: any) {\n  timeoutProvider.setTimeout(() => {\n    const { onUnhandledError } = config;\n    if (onUnhandledError) {\n      // Execute the user-configured error handler.\n      onUnhandledError(err);\n    } else {\n      // Throw so it is picked up by the runtime's uncaught error mechanism.\n      throw err;\n    }\n  });\n}\n", "/* tslint:disable:no-empty */\nexport function noop() { }\n", "import { CompleteNotification, NextNotification, ErrorNotification } from './types';\n\n/**\n * A completion object optimized for memory use and created to be the\n * same \"shape\" as other notifications in v8.\n * @internal\n */\nexport const COMPLETE_NOTIFICATION = (() => createNotification('C', undefined, undefined) as CompleteNotification)();\n\n/**\n * Internal use only. Creates an optimized error notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function errorNotification(error: any): ErrorNotification {\n  return createNotification('E', undefined, error) as any;\n}\n\n/**\n * Internal use only. Creates an optimized next notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function nextNotification<T>(value: T) {\n  return createNotification('N', value, undefined) as NextNotification<T>;\n}\n\n/**\n * Ensures that all notifications created internally have the same \"shape\" in v8.\n *\n * TODO: This is only exported to support a crazy legacy test in `groupBy`.\n * @internal\n */\nexport function createNotification(kind: 'N' | 'E' | 'C', value: any, error: any) {\n  return {\n    kind,\n    value,\n    error,\n  };\n}\n", "import { config } from '../config';\n\nlet context: { errorThrown: boolean; error: any } | null = null;\n\n/**\n * Handles dealing with errors for super-gross mode. Creates a context, in which\n * any synchronously thrown errors will be passed to {@link captureError}. Which\n * will record the error such that it will be rethrown after the call back is complete.\n * TODO: Remove in v8\n * @param cb An immediately executed function.\n */\nexport function errorContext(cb: () => void) {\n  if (config.useDeprecatedSynchronousErrorHandling) {\n    const isRoot = !context;\n    if (isRoot) {\n      context = { errorThrown: false, error: null };\n    }\n    cb();\n    if (isRoot) {\n      const { errorThrown, error } = context!;\n      context = null;\n      if (errorThrown) {\n        throw error;\n      }\n    }\n  } else {\n    // This is the general non-deprecated path for everyone that\n    // isn't crazy enough to use super-gross mode (useDeprecatedSynchronousErrorHandling)\n    cb();\n  }\n}\n\n/**\n * Captures errors only in super-gross mode.\n * @param err the error to capture\n */\nexport function captureError(err: any) {\n  if (config.useDeprecatedSynchronousErrorHandling && context) {\n    context.errorThrown = true;\n    context.error = err;\n  }\n}\n", "import { isFunction } from './util/isFunction';\nimport { Observer, ObservableNotification } from './types';\nimport { isSubscription, Subscription } from './Subscription';\nimport { config } from './config';\nimport { reportUnhandledError } from './util/reportUnhandledError';\nimport { noop } from './util/noop';\nimport { nextNotification, errorNotification, COMPLETE_NOTIFICATION } from './NotificationFactories';\nimport { timeoutProvider } from './scheduler/timeoutProvider';\nimport { captureError } from './util/errorContext';\n\n/**\n * Implements the {@link Observer} interface and extends the\n * {@link Subscription} class. While the {@link Observer} is the public API for\n * consuming the values of an {@link Observable}, all Observers get converted to\n * a Subscriber, in order to provide Subscription-like capabilities such as\n * `unsubscribe`. Subscriber is a common type in RxJS, and crucial for\n * implementing operators, but it is rarely used as a public API.\n */\nexport class Subscriber<T> extends Subscription implements Observer<T> {\n  /**\n   * A static factory for a Subscriber, given a (potentially partial) definition\n   * of an Observer.\n   * @param next The `next` callback of an Observer.\n   * @param error The `error` callback of an\n   * Observer.\n   * @param complete The `complete` callback of an\n   * Observer.\n   * @return A Subscriber wrapping the (partially defined)\n   * Observer represented by the given arguments.\n   * @deprecated Do not use. Will be removed in v8. There is no replacement for this\n   * method, and there is no reason to be creating instances of `Subscriber` directly.\n   * If you have a specific use case, please file an issue.\n   */\n  static create<T>(next?: (x?: T) => void, error?: (e?: any) => void, complete?: () => void): Subscriber<T> {\n    return new SafeSubscriber(next, error, complete);\n  }\n\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  protected isStopped: boolean = false;\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  protected destination: Subscriber<any> | Observer<any>; // this `any` is the escape hatch to erase extra type param (e.g. R)\n\n  /**\n   * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n   * There is no reason to directly create an instance of Subscriber. This type is exported for typings reasons.\n   */\n  constructor(destination?: Subscriber<any> | Observer<any>) {\n    super();\n    if (destination) {\n      this.destination = destination;\n      // Automatically chain subscriptions together here.\n      // if destination is a Subscription, then it is a Subscriber.\n      if (isSubscription(destination)) {\n        destination.add(this);\n      }\n    } else {\n      this.destination = EMPTY_OBSERVER;\n    }\n  }\n\n  /**\n   * The {@link Observer} callback to receive notifications of type `next` from\n   * the Observable, with a value. The Observable may call this method 0 or more\n   * times.\n   * @param value The `next` value.\n   */\n  next(value: T): void {\n    if (this.isStopped) {\n      handleStoppedNotification(nextNotification(value), this);\n    } else {\n      this._next(value!);\n    }\n  }\n\n  /**\n   * The {@link Observer} callback to receive notifications of type `error` from\n   * the Observable, with an attached `Error`. Notifies the Observer that\n   * the Observable has experienced an error condition.\n   * @param err The `error` exception.\n   */\n  error(err?: any): void {\n    if (this.isStopped) {\n      handleStoppedNotification(errorNotification(err), this);\n    } else {\n      this.isStopped = true;\n      this._error(err);\n    }\n  }\n\n  /**\n   * The {@link Observer} callback to receive a valueless notification of type\n   * `complete` from the Observable. Notifies the Observer that the Observable\n   * has finished sending push-based notifications.\n   */\n  complete(): void {\n    if (this.isStopped) {\n      handleStoppedNotification(COMPLETE_NOTIFICATION, this);\n    } else {\n      this.isStopped = true;\n      this._complete();\n    }\n  }\n\n  unsubscribe(): void {\n    if (!this.closed) {\n      this.isStopped = true;\n      super.unsubscribe();\n      this.destination = null!;\n    }\n  }\n\n  protected _next(value: T): void {\n    this.destination.next(value);\n  }\n\n  protected _error(err: any): void {\n    try {\n      this.destination.error(err);\n    } finally {\n      this.unsubscribe();\n    }\n  }\n\n  protected _complete(): void {\n    try {\n      this.destination.complete();\n    } finally {\n      this.unsubscribe();\n    }\n  }\n}\n\n/**\n * This bind is captured here because we want to be able to have\n * compatibility with monoid libraries that tend to use a method named\n * `bind`. In particular, a library called Monio requires this.\n */\nconst _bind = Function.prototype.bind;\n\nfunction bind<Fn extends (...args: any[]) => any>(fn: Fn, thisArg: any): Fn {\n  return _bind.call(fn, thisArg);\n}\n\n/**\n * Internal optimization only, DO NOT EXPOSE.\n * @internal\n */\nclass ConsumerObserver<T> implements Observer<T> {\n  constructor(private partialObserver: Partial<Observer<T>>) {}\n\n  next(value: T): void {\n    const { partialObserver } = this;\n    if (partialObserver.next) {\n      try {\n        partialObserver.next(value);\n      } catch (error) {\n        handleUnhandledError(error);\n      }\n    }\n  }\n\n  error(err: any): void {\n    const { partialObserver } = this;\n    if (partialObserver.error) {\n      try {\n        partialObserver.error(err);\n      } catch (error) {\n        handleUnhandledError(error);\n      }\n    } else {\n      handleUnhandledError(err);\n    }\n  }\n\n  complete(): void {\n    const { partialObserver } = this;\n    if (partialObserver.complete) {\n      try {\n        partialObserver.complete();\n      } catch (error) {\n        handleUnhandledError(error);\n      }\n    }\n  }\n}\n\nexport class SafeSubscriber<T> extends Subscriber<T> {\n  constructor(\n    observerOrNext?: Partial<Observer<T>> | ((value: T) => void) | null,\n    error?: ((e?: any) => void) | null,\n    complete?: (() => void) | null\n  ) {\n    super();\n\n    let partialObserver: Partial<Observer<T>>;\n    if (isFunction(observerOrNext) || !observerOrNext) {\n      // The first argument is a function, not an observer. The next\n      // two arguments *could* be observers, or they could be empty.\n      partialObserver = {\n        next: (observerOrNext ?? undefined) as ((value: T) => void) | undefined,\n        error: error ?? undefined,\n        complete: complete ?? undefined,\n      };\n    } else {\n      // The first argument is a partial observer.\n      let context: any;\n      if (this && config.useDeprecatedNextContext) {\n        // This is a deprecated path that made `this.unsubscribe()` available in\n        // next handler functions passed to subscribe. This only exists behind a flag\n        // now, as it is *very* slow.\n        context = Object.create(observerOrNext);\n        context.unsubscribe = () => this.unsubscribe();\n        partialObserver = {\n          next: observerOrNext.next && bind(observerOrNext.next, context),\n          error: observerOrNext.error && bind(observerOrNext.error, context),\n          complete: observerOrNext.complete && bind(observerOrNext.complete, context),\n        };\n      } else {\n        // The \"normal\" path. Just use the partial observer directly.\n        partialObserver = observerOrNext;\n      }\n    }\n\n    // Wrap the partial observer to ensure it's a full observer, and\n    // make sure proper error handling is accounted for.\n    this.destination = new ConsumerObserver(partialObserver);\n  }\n}\n\nfunction handleUnhandledError(error: any) {\n  if (config.useDeprecatedSynchronousErrorHandling) {\n    captureError(error);\n  } else {\n    // Ideal path, we report this as an unhandled error,\n    // which is thrown on a new call stack.\n    reportUnhandledError(error);\n  }\n}\n\n/**\n * An error handler used when no error handler was supplied\n * to the SafeSubscriber -- meaning no error handler was supplied\n * do the `subscribe` call on our observable.\n * @param err The error to handle\n */\nfunction defaultErrorHandler(err: any) {\n  throw err;\n}\n\n/**\n * A handler for notifications that cannot be sent to a stopped subscriber.\n * @param notification The notification being sent.\n * @param subscriber The stopped subscriber.\n */\nfunction handleStoppedNotification(notification: ObservableNotification<any>, subscriber: Subscriber<any>) {\n  const { onStoppedNotification } = config;\n  onStoppedNotification && timeoutProvider.setTimeout(() => onStoppedNotification(notification, subscriber));\n}\n\n/**\n * The observer used as a stub for subscriptions where the user did not\n * pass any arguments to `subscribe`. Comes with the default error handling\n * behavior.\n */\nexport const EMPTY_OBSERVER: Readonly<Observer<any>> & { closed: true } = {\n  closed: true,\n  next: noop,\n  error: defaultErrorHandler,\n  complete: noop,\n};\n", "/**\n * Symbol.observable or a string \"@@observable\". Used for interop\n *\n * @deprecated We will no longer be exporting this symbol in upcoming versions of RxJS.\n * Instead polyfill and use Symbol.observable directly *or* use https://www.npmjs.com/package/symbol-observable\n */\nexport const observable: string | symbol = (() => (typeof Symbol === 'function' && Symbol.observable) || '@@observable')();\n", "/**\n * This function takes one parameter and just returns it. Simply put,\n * this is like `<T>(x: T): T => x`.\n *\n * ## Examples\n *\n * This is useful in some cases when using things like `mergeMap`\n *\n * ```ts\n * import { interval, take, map, range, mergeMap, identity } from 'rxjs';\n *\n * const source$ = interval(1000).pipe(take(5));\n *\n * const result$ = source$.pipe(\n *   map(i => range(i)),\n *   mergeMap(identity) // same as mergeMap(x => x)\n * );\n *\n * result$.subscribe({\n *   next: console.log\n * });\n * ```\n *\n * Or when you want to selectively apply an operator\n *\n * ```ts\n * import { interval, take, identity } from 'rxjs';\n *\n * const shouldLimit = () => Math.random() < 0.5;\n *\n * const source$ = interval(1000);\n *\n * const result$ = source$.pipe(shouldLimit() ? take(5) : identity);\n *\n * result$.subscribe({\n *   next: console.log\n * });\n * ```\n *\n * @param x Any value that is returned by this function\n * @returns The value passed as the first parameter to this function\n */\nexport function identity<T>(x: T): T {\n  return x;\n}\n", "import { identity } from './identity';\nimport { UnaryFunction } from '../types';\n\nexport function pipe(): typeof identity;\nexport function pipe<T, A>(fn1: UnaryFunction<T, A>): UnaryFunction<T, A>;\nexport function pipe<T, A, B>(fn1: UnaryFunction<T, A>, fn2: UnaryFunction<A, B>): UnaryFunction<T, B>;\nexport function pipe<T, A, B, C>(fn1: UnaryFunction<T, A>, fn2: UnaryFunction<A, B>, fn3: UnaryFunction<B, C>): UnaryFunction<T, C>;\nexport function pipe<T, A, B, C, D>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>\n): UnaryFunction<T, D>;\nexport function pipe<T, A, B, C, D, E>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>,\n  fn5: UnaryFunction<D, E>\n): UnaryFunction<T, E>;\nexport function pipe<T, A, B, C, D, E, F>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>,\n  fn5: UnaryFunction<D, E>,\n  fn6: UnaryFunction<E, F>\n): UnaryFunction<T, F>;\nexport function pipe<T, A, B, C, D, E, F, G>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>,\n  fn5: UnaryFunction<D, E>,\n  fn6: UnaryFunction<E, F>,\n  fn7: UnaryFunction<F, G>\n): UnaryFunction<T, G>;\nexport function pipe<T, A, B, C, D, E, F, G, H>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>,\n  fn5: UnaryFunction<D, E>,\n  fn6: UnaryFunction<E, F>,\n  fn7: UnaryFunction<F, G>,\n  fn8: UnaryFunction<G, H>\n): UnaryFunction<T, H>;\nexport function pipe<T, A, B, C, D, E, F, G, H, I>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>,\n  fn5: UnaryFunction<D, E>,\n  fn6: UnaryFunction<E, F>,\n  fn7: UnaryFunction<F, G>,\n  fn8: UnaryFunction<G, H>,\n  fn9: UnaryFunction<H, I>\n): UnaryFunction<T, I>;\nexport function pipe<T, A, B, C, D, E, F, G, H, I>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>,\n  fn5: UnaryFunction<D, E>,\n  fn6: UnaryFunction<E, F>,\n  fn7: UnaryFunction<F, G>,\n  fn8: UnaryFunction<G, H>,\n  fn9: UnaryFunction<H, I>,\n  ...fns: UnaryFunction<any, any>[]\n): UnaryFunction<T, unknown>;\n\n/**\n * pipe() can be called on one or more functions, each of which can take one argument (\"UnaryFunction\")\n * and uses it to return a value.\n * It returns a function that takes one argument, passes it to the first UnaryFunction, and then\n * passes the result to the next one, passes that result to the next one, and so on.  \n */\nexport function pipe(...fns: Array<UnaryFunction<any, any>>): UnaryFunction<any, any> {\n  return pipeFromArray(fns);\n}\n\n/** @internal */\nexport function pipeFromArray<T, R>(fns: Array<UnaryFunction<T, R>>): UnaryFunction<T, R> {\n  if (fns.length === 0) {\n    return identity as UnaryFunction<any, any>;\n  }\n\n  if (fns.length === 1) {\n    return fns[0];\n  }\n\n  return function piped(input: T): R {\n    return fns.reduce((prev: any, fn: UnaryFunction<T, R>) => fn(prev), input as any);\n  };\n}\n", "import { Operator } from './Operator';\nimport { SafeSubscriber, Subscriber } from './Subscriber';\nimport { isSubscription, Subscription } from './Subscription';\nimport { TeardownLogic, OperatorFunction, Subscribable, Observer } from './types';\nimport { observable as Symbol_observable } from './symbol/observable';\nimport { pipeFromArray } from './util/pipe';\nimport { config } from './config';\nimport { isFunction } from './util/isFunction';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A representation of any set of values over any amount of time. This is the most basic building block\n * of RxJS.\n */\nexport class Observable<T> implements Subscribable<T> {\n  /**\n   * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n   */\n  source: Observable<any> | undefined;\n\n  /**\n   * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n   */\n  operator: Operator<any, T> | undefined;\n\n  /**\n   * @param subscribe The function that is called when the Observable is\n   * initially subscribed to. This function is given a Subscriber, to which new values\n   * can be `next`ed, or an `error` method can be called to raise an error, or\n   * `complete` can be called to notify of a successful completion.\n   */\n  constructor(subscribe?: (this: Observable<T>, subscriber: Subscriber<T>) => TeardownLogic) {\n    if (subscribe) {\n      this._subscribe = subscribe;\n    }\n  }\n\n  // HACK: Since TypeScript inherits static properties too, we have to\n  // fight against TypeScript here so Subject can have a different static create signature\n  /**\n   * Creates a new Observable by calling the Observable constructor\n   * @param subscribe the subscriber function to be passed to the Observable constructor\n   * @return A new observable.\n   * @deprecated Use `new Observable()` instead. Will be removed in v8.\n   */\n  static create: (...args: any[]) => any = <T>(subscribe?: (subscriber: Subscriber<T>) => TeardownLogic) => {\n    return new Observable<T>(subscribe);\n  };\n\n  /**\n   * Creates a new Observable, with this Observable instance as the source, and the passed\n   * operator defined as the new observable's operator.\n   * @param operator the operator defining the operation to take on the observable\n   * @return A new observable with the Operator applied.\n   * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n   * If you have implemented an operator using `lift`, it is recommended that you create an\n   * operator by simply returning `new Observable()` directly. See \"Creating new operators from\n   * scratch\" section here: https://rxjs.dev/guide/operators\n   */\n  lift<R>(operator?: Operator<T, R>): Observable<R> {\n    const observable = new Observable<R>();\n    observable.source = this;\n    observable.operator = operator;\n    return observable;\n  }\n\n  subscribe(observerOrNext?: Partial<Observer<T>> | ((value: T) => void)): Subscription;\n  /** @deprecated Instead of passing separate callback arguments, use an observer argument. Signatures taking separate callback arguments will be removed in v8. Details: https://rxjs.dev/deprecations/subscribe-arguments */\n  subscribe(next?: ((value: T) => void) | null, error?: ((error: any) => void) | null, complete?: (() => void) | null): Subscription;\n  /**\n   * Invokes an execution of an Observable and registers Observer handlers for notifications it will emit.\n   *\n   * <span class=\"informal\">Use it when you have all these Observables, but still nothing is happening.</span>\n   *\n   * `subscribe` is not a regular operator, but a method that calls Observable's internal `subscribe` function. It\n   * might be for example a function that you passed to Observable's constructor, but most of the time it is\n   * a library implementation, which defines what will be emitted by an Observable, and when it be will emitted. This means\n   * that calling `subscribe` is actually the moment when Observable starts its work, not when it is created, as it is often\n   * the thought.\n   *\n   * Apart from starting the execution of an Observable, this method allows you to listen for values\n   * that an Observable emits, as well as for when it completes or errors. You can achieve this in two\n   * of the following ways.\n   *\n   * The first way is creating an object that implements {@link Observer} interface. It should have methods\n   * defined by that interface, but note that it should be just a regular JavaScript object, which you can create\n   * yourself in any way you want (ES6 class, classic function constructor, object literal etc.). In particular, do\n   * not attempt to use any RxJS implementation details to create Observers - you don't need them. Remember also\n   * that your object does not have to implement all methods. If you find yourself creating a method that doesn't\n   * do anything, you can simply omit it. Note however, if the `error` method is not provided and an error happens,\n   * it will be thrown asynchronously. Errors thrown asynchronously cannot be caught using `try`/`catch`. Instead,\n   * use the {@link onUnhandledError} configuration option or use a runtime handler (like `window.onerror` or\n   * `process.on('error)`) to be notified of unhandled errors. Because of this, it's recommended that you provide\n   * an `error` method to avoid missing thrown errors.\n   *\n   * The second way is to give up on Observer object altogether and simply provide callback functions in place of its methods.\n   * This means you can provide three functions as arguments to `subscribe`, where the first function is equivalent\n   * of a `next` method, the second of an `error` method and the third of a `complete` method. Just as in case of an Observer,\n   * if you do not need to listen for something, you can omit a function by passing `undefined` or `null`,\n   * since `subscribe` recognizes these functions by where they were placed in function call. When it comes\n   * to the `error` function, as with an Observer, if not provided, errors emitted by an Observable will be thrown asynchronously.\n   *\n   * You can, however, subscribe with no parameters at all. This may be the case where you're not interested in terminal events\n   * and you also handled emissions internally by using operators (e.g. using `tap`).\n   *\n   * Whichever style of calling `subscribe` you use, in both cases it returns a Subscription object.\n   * This object allows you to call `unsubscribe` on it, which in turn will stop the work that an Observable does and will clean\n   * up all resources that an Observable used. Note that cancelling a subscription will not call `complete` callback\n   * provided to `subscribe` function, which is reserved for a regular completion signal that comes from an Observable.\n   *\n   * Remember that callbacks provided to `subscribe` are not guaranteed to be called asynchronously.\n   * It is an Observable itself that decides when these functions will be called. For example {@link of}\n   * by default emits all its values synchronously. Always check documentation for how given Observable\n   * will behave when subscribed and if its default behavior can be modified with a `scheduler`.\n   *\n   * #### Examples\n   *\n   * Subscribe with an {@link guide/observer Observer}\n   *\n   * ```ts\n   * import { of } from 'rxjs';\n   *\n   * const sumObserver = {\n   *   sum: 0,\n   *   next(value) {\n   *     console.log('Adding: ' + value);\n   *     this.sum = this.sum + value;\n   *   },\n   *   error() {\n   *     // We actually could just remove this method,\n   *     // since we do not really care about errors right now.\n   *   },\n   *   complete() {\n   *     console.log('Sum equals: ' + this.sum);\n   *   }\n   * };\n   *\n   * of(1, 2, 3) // Synchronously emits 1, 2, 3 and then completes.\n   *   .subscribe(sumObserver);\n   *\n   * // Logs:\n   * // 'Adding: 1'\n   * // 'Adding: 2'\n   * // 'Adding: 3'\n   * // 'Sum equals: 6'\n   * ```\n   *\n   * Subscribe with functions ({@link deprecations/subscribe-arguments deprecated})\n   *\n   * ```ts\n   * import { of } from 'rxjs'\n   *\n   * let sum = 0;\n   *\n   * of(1, 2, 3).subscribe(\n   *   value => {\n   *     console.log('Adding: ' + value);\n   *     sum = sum + value;\n   *   },\n   *   undefined,\n   *   () => console.log('Sum equals: ' + sum)\n   * );\n   *\n   * // Logs:\n   * // 'Adding: 1'\n   * // 'Adding: 2'\n   * // 'Adding: 3'\n   * // 'Sum equals: 6'\n   * ```\n   *\n   * Cancel a subscription\n   *\n   * ```ts\n   * import { interval } from 'rxjs';\n   *\n   * const subscription = interval(1000).subscribe({\n   *   next(num) {\n   *     console.log(num)\n   *   },\n   *   complete() {\n   *     // Will not be called, even when cancelling subscription.\n   *     console.log('completed!');\n   *   }\n   * });\n   *\n   * setTimeout(() => {\n   *   subscription.unsubscribe();\n   *   console.log('unsubscribed!');\n   * }, 2500);\n   *\n   * // Logs:\n   * // 0 after 1s\n   * // 1 after 2s\n   * // 'unsubscribed!' after 2.5s\n   * ```\n   *\n   * @param observerOrNext Either an {@link Observer} with some or all callback methods,\n   * or the `next` handler that is called for each value emitted from the subscribed Observable.\n   * @param error A handler for a terminal event resulting from an error. If no error handler is provided,\n   * the error will be thrown asynchronously as unhandled.\n   * @param complete A handler for a terminal event resulting from successful completion.\n   * @return A subscription reference to the registered handlers.\n   */\n  subscribe(\n    observerOrNext?: Partial<Observer<T>> | ((value: T) => void) | null,\n    error?: ((error: any) => void) | null,\n    complete?: (() => void) | null\n  ): Subscription {\n    const subscriber = isSubscriber(observerOrNext) ? observerOrNext : new SafeSubscriber(observerOrNext, error, complete);\n\n    errorContext(() => {\n      const { operator, source } = this;\n      subscriber.add(\n        operator\n          ? // We're dealing with a subscription in the\n            // operator chain to one of our lifted operators.\n            operator.call(subscriber, source)\n          : source\n          ? // If `source` has a value, but `operator` does not, something that\n            // had intimate knowledge of our API, like our `Subject`, must have\n            // set it. We're going to just call `_subscribe` directly.\n            this._subscribe(subscriber)\n          : // In all other cases, we're likely wrapping a user-provided initializer\n            // function, so we need to catch errors and handle them appropriately.\n            this._trySubscribe(subscriber)\n      );\n    });\n\n    return subscriber;\n  }\n\n  /** @internal */\n  protected _trySubscribe(sink: Subscriber<T>): TeardownLogic {\n    try {\n      return this._subscribe(sink);\n    } catch (err) {\n      // We don't need to return anything in this case,\n      // because it's just going to try to `add()` to a subscription\n      // above.\n      sink.error(err);\n    }\n  }\n\n  /**\n   * Used as a NON-CANCELLABLE means of subscribing to an observable, for use with\n   * APIs that expect promises, like `async/await`. You cannot unsubscribe from this.\n   *\n   * **WARNING**: Only use this with observables you *know* will complete. If the source\n   * observable does not complete, you will end up with a promise that is hung up, and\n   * potentially all of the state of an async function hanging out in memory. To avoid\n   * this situation, look into adding something like {@link timeout}, {@link take},\n   * {@link takeWhile}, or {@link takeUntil} amongst others.\n   *\n   * #### Example\n   *\n   * ```ts\n   * import { interval, take } from 'rxjs';\n   *\n   * const source$ = interval(1000).pipe(take(4));\n   *\n   * async function getTotal() {\n   *   let total = 0;\n   *\n   *   await source$.forEach(value => {\n   *     total += value;\n   *     console.log('observable -> ' + value);\n   *   });\n   *\n   *   return total;\n   * }\n   *\n   * getTotal().then(\n   *   total => console.log('Total: ' + total)\n   * );\n   *\n   * // Expected:\n   * // 'observable -> 0'\n   * // 'observable -> 1'\n   * // 'observable -> 2'\n   * // 'observable -> 3'\n   * // 'Total: 6'\n   * ```\n   *\n   * @param next A handler for each value emitted by the observable.\n   * @return A promise that either resolves on observable completion or\n   * rejects with the handled error.\n   */\n  forEach(next: (value: T) => void): Promise<void>;\n\n  /**\n   * @param next a handler for each value emitted by the observable\n   * @param promiseCtor a constructor function used to instantiate the Promise\n   * @return a promise that either resolves on observable completion or\n   *  rejects with the handled error\n   * @deprecated Passing a Promise constructor will no longer be available\n   * in upcoming versions of RxJS. This is because it adds weight to the library, for very\n   * little benefit. If you need this functionality, it is recommended that you either\n   * polyfill Promise, or you create an adapter to convert the returned native promise\n   * to whatever promise implementation you wanted. Will be removed in v8.\n   */\n  forEach(next: (value: T) => void, promiseCtor: PromiseConstructorLike): Promise<void>;\n\n  forEach(next: (value: T) => void, promiseCtor?: PromiseConstructorLike): Promise<void> {\n    promiseCtor = getPromiseCtor(promiseCtor);\n\n    return new promiseCtor<void>((resolve, reject) => {\n      const subscriber = new SafeSubscriber<T>({\n        next: (value) => {\n          try {\n            next(value);\n          } catch (err) {\n            reject(err);\n            subscriber.unsubscribe();\n          }\n        },\n        error: reject,\n        complete: resolve,\n      });\n      this.subscribe(subscriber);\n    }) as Promise<void>;\n  }\n\n  /** @internal */\n  protected _subscribe(subscriber: Subscriber<any>): TeardownLogic {\n    return this.source?.subscribe(subscriber);\n  }\n\n  /**\n   * An interop point defined by the es7-observable spec https://github.com/zenparsing/es-observable\n   * @return This instance of the observable.\n   */\n  [Symbol_observable]() {\n    return this;\n  }\n\n  /* tslint:disable:max-line-length */\n  pipe(): Observable<T>;\n  pipe<A>(op1: OperatorFunction<T, A>): Observable<A>;\n  pipe<A, B>(op1: OperatorFunction<T, A>, op2: OperatorFunction<A, B>): Observable<B>;\n  pipe<A, B, C>(op1: OperatorFunction<T, A>, op2: OperatorFunction<A, B>, op3: OperatorFunction<B, C>): Observable<C>;\n  pipe<A, B, C, D>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>\n  ): Observable<D>;\n  pipe<A, B, C, D, E>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>,\n    op5: OperatorFunction<D, E>\n  ): Observable<E>;\n  pipe<A, B, C, D, E, F>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>,\n    op5: OperatorFunction<D, E>,\n    op6: OperatorFunction<E, F>\n  ): Observable<F>;\n  pipe<A, B, C, D, E, F, G>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>,\n    op5: OperatorFunction<D, E>,\n    op6: OperatorFunction<E, F>,\n    op7: OperatorFunction<F, G>\n  ): Observable<G>;\n  pipe<A, B, C, D, E, F, G, H>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>,\n    op5: OperatorFunction<D, E>,\n    op6: OperatorFunction<E, F>,\n    op7: OperatorFunction<F, G>,\n    op8: OperatorFunction<G, H>\n  ): Observable<H>;\n  pipe<A, B, C, D, E, F, G, H, I>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>,\n    op5: OperatorFunction<D, E>,\n    op6: OperatorFunction<E, F>,\n    op7: OperatorFunction<F, G>,\n    op8: OperatorFunction<G, H>,\n    op9: OperatorFunction<H, I>\n  ): Observable<I>;\n  pipe<A, B, C, D, E, F, G, H, I>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>,\n    op5: OperatorFunction<D, E>,\n    op6: OperatorFunction<E, F>,\n    op7: OperatorFunction<F, G>,\n    op8: OperatorFunction<G, H>,\n    op9: OperatorFunction<H, I>,\n    ...operations: OperatorFunction<any, any>[]\n  ): Observable<unknown>;\n  /* tslint:enable:max-line-length */\n\n  /**\n   * Used to stitch together functional operators into a chain.\n   *\n   * ## Example\n   *\n   * ```ts\n   * import { interval, filter, map, scan } from 'rxjs';\n   *\n   * interval(1000)\n   *   .pipe(\n   *     filter(x => x % 2 === 0),\n   *     map(x => x + x),\n   *     scan((acc, x) => acc + x)\n   *   )\n   *   .subscribe(x => console.log(x));\n   * ```\n   *\n   * @return The Observable result of all the operators having been called\n   * in the order they were passed in.\n   */\n  pipe(...operations: OperatorFunction<any, any>[]): Observable<any> {\n    return pipeFromArray(operations)(this);\n  }\n\n  /* tslint:disable:max-line-length */\n  /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n  toPromise(): Promise<T | undefined>;\n  /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n  toPromise(PromiseCtor: typeof Promise): Promise<T | undefined>;\n  /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n  toPromise(PromiseCtor: PromiseConstructorLike): Promise<T | undefined>;\n  /* tslint:enable:max-line-length */\n\n  /**\n   * Subscribe to this Observable and get a Promise resolving on\n   * `complete` with the last emission (if any).\n   *\n   * **WARNING**: Only use this with observables you *know* will complete. If the source\n   * observable does not complete, you will end up with a promise that is hung up, and\n   * potentially all of the state of an async function hanging out in memory. To avoid\n   * this situation, look into adding something like {@link timeout}, {@link take},\n   * {@link takeWhile}, or {@link takeUntil} amongst others.\n   *\n   * @param [promiseCtor] a constructor function used to instantiate\n   * the Promise\n   * @return A Promise that resolves with the last value emit, or\n   * rejects on an error. If there were no emissions, Promise\n   * resolves with undefined.\n   * @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise\n   */\n  toPromise(promiseCtor?: PromiseConstructorLike): Promise<T | undefined> {\n    promiseCtor = getPromiseCtor(promiseCtor);\n\n    return new promiseCtor((resolve, reject) => {\n      let value: T | undefined;\n      this.subscribe(\n        (x: T) => (value = x),\n        (err: any) => reject(err),\n        () => resolve(value)\n      );\n    }) as Promise<T | undefined>;\n  }\n}\n\n/**\n * Decides between a passed promise constructor from consuming code,\n * A default configured promise constructor, and the native promise\n * constructor and returns it. If nothing can be found, it will throw\n * an error.\n * @param promiseCtor The optional promise constructor to passed by consuming code\n */\nfunction getPromiseCtor(promiseCtor: PromiseConstructorLike | undefined) {\n  return promiseCtor ?? config.Promise ?? Promise;\n}\n\nfunction isObserver<T>(value: any): value is Observer<T> {\n  return value && isFunction(value.next) && isFunction(value.error) && isFunction(value.complete);\n}\n\nfunction isSubscriber<T>(value: any): value is Subscriber<T> {\n  return (value && value instanceof Subscriber) || (isObserver(value) && isSubscription(value));\n}\n", "import { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { OperatorFunction } from '../types';\nimport { isFunction } from './isFunction';\n\n/**\n * Used to determine if an object is an Observable with a lift function.\n */\nexport function hasLift(source: any): source is { lift: InstanceType<typeof Observable>['lift'] } {\n  return isFunction(source?.lift);\n}\n\n/**\n * Creates an `OperatorFunction`. Used to define operators throughout the library in a concise way.\n * @param init The logic to connect the liftedSource to the subscriber at the moment of subscription.\n */\nexport function operate<T, R>(\n  init: (liftedSource: Observable<T>, subscriber: Subscriber<R>) => (() => void) | void\n): OperatorFunction<T, R> {\n  return (source: Observable<T>) => {\n    if (hasLift(source)) {\n      return source.lift(function (this: Subscriber<R>, liftedSource: Observable<T>) {\n        try {\n          return init(liftedSource, this);\n        } catch (err) {\n          this.error(err);\n        }\n      });\n    }\n    throw new TypeError('Unable to lift unknown Observable type');\n  };\n}\n", "import { Subscriber } from '../Subscriber';\n\n/**\n * Creates an instance of an `OperatorSubscriber`.\n * @param destination The downstream subscriber.\n * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n * and send to the `destination` error handler.\n * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n * this handler are sent to the `destination` error handler.\n * @param onFinalize Additional teardown logic here. This will only be called on teardown if the\n * subscriber itself is not already closed. This is called after all other teardown logic is executed.\n */\nexport function createOperatorSubscriber<T>(\n  destination: Subscriber<any>,\n  onNext?: (value: T) => void,\n  onComplete?: () => void,\n  onError?: (err: any) => void,\n  onFinalize?: () => void\n): Subscriber<T> {\n  return new OperatorSubscriber(destination, onNext, onComplete, onError, onFinalize);\n}\n\n/**\n * A generic helper for allowing operators to be created with a Subscriber and\n * use closures to capture necessary state from the operator function itself.\n */\nexport class OperatorSubscriber<T> extends Subscriber<T> {\n  /**\n   * Creates an instance of an `OperatorSubscriber`.\n   * @param destination The downstream subscriber.\n   * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n   * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n   * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n   * and send to the `destination` error handler.\n   * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n   * this handler are sent to the `destination` error handler.\n   * @param onFinalize Additional finalization logic here. This will only be called on finalization if the\n   * subscriber itself is not already closed. This is called after all other finalization logic is executed.\n   * @param shouldUnsubscribe An optional check to see if an unsubscribe call should truly unsubscribe.\n   * NOTE: This currently **ONLY** exists to support the strange behavior of {@link groupBy}, where unsubscription\n   * to the resulting observable does not actually disconnect from the source if there are active subscriptions\n   * to any grouped observable. (DO NOT EXPOSE OR USE EXTERNALLY!!!)\n   */\n  constructor(\n    destination: Subscriber<any>,\n    onNext?: (value: T) => void,\n    onComplete?: () => void,\n    onError?: (err: any) => void,\n    private onFinalize?: () => void,\n    private shouldUnsubscribe?: () => boolean\n  ) {\n    // It's important - for performance reasons - that all of this class's\n    // members are initialized and that they are always initialized in the same\n    // order. This will ensure that all OperatorSubscriber instances have the\n    // same hidden class in V8. This, in turn, will help keep the number of\n    // hidden classes involved in property accesses within the base class as\n    // low as possible. If the number of hidden classes involved exceeds four,\n    // the property accesses will become megamorphic and performance penalties\n    // will be incurred - i.e. inline caches won't be used.\n    //\n    // The reasons for ensuring all instances have the same hidden class are\n    // further discussed in this blog post from Benedikt Meurer:\n    // https://benediktmeurer.de/2018/03/23/impact-of-polymorphism-on-component-based-frameworks-like-react/\n    super(destination);\n    this._next = onNext\n      ? function (this: OperatorSubscriber<T>, value: T) {\n          try {\n            onNext(value);\n          } catch (err) {\n            destination.error(err);\n          }\n        }\n      : super._next;\n    this._error = onError\n      ? function (this: OperatorSubscriber<T>, err: any) {\n          try {\n            onError(err);\n          } catch (err) {\n            // Send any errors that occur down stream.\n            destination.error(err);\n          } finally {\n            // Ensure finalization.\n            this.unsubscribe();\n          }\n        }\n      : super._error;\n    this._complete = onComplete\n      ? function (this: OperatorSubscriber<T>) {\n          try {\n            onComplete();\n          } catch (err) {\n            // Send any errors that occur down stream.\n            destination.error(err);\n          } finally {\n            // Ensure finalization.\n            this.unsubscribe();\n          }\n        }\n      : super._complete;\n  }\n\n  unsubscribe() {\n    if (!this.shouldUnsubscribe || this.shouldUnsubscribe()) {\n      const { closed } = this;\n      super.unsubscribe();\n      // Execute additional teardown if we have any and we didn't already do so.\n      !closed && this.onFinalize?.();\n    }\n  }\n}\n", "import { Subscription } from '../Subscription';\n\ninterface AnimationFrameProvider {\n  schedule(callback: FrameRequestCallback): Subscription;\n  requestAnimationFrame: typeof requestAnimationFrame;\n  cancelAnimationFrame: typeof cancelAnimationFrame;\n  delegate:\n    | {\n        requestAnimationFrame: typeof requestAnimationFrame;\n        cancelAnimationFrame: typeof cancelAnimationFrame;\n      }\n    | undefined;\n}\n\nexport const animationFrameProvider: AnimationFrameProvider = {\n  // When accessing the delegate, use the variable rather than `this` so that\n  // the functions can be called without being bound to the provider.\n  schedule(callback) {\n    let request = requestAnimationFrame;\n    let cancel: typeof cancelAnimationFrame | undefined = cancelAnimationFrame;\n    const { delegate } = animationFrameProvider;\n    if (delegate) {\n      request = delegate.requestAnimationFrame;\n      cancel = delegate.cancelAnimationFrame;\n    }\n    const handle = request((timestamp) => {\n      // Clear the cancel function. The request has been fulfilled, so\n      // attempting to cancel the request upon unsubscription would be\n      // pointless.\n      cancel = undefined;\n      callback(timestamp);\n    });\n    return new Subscription(() => cancel?.(handle));\n  },\n  requestAnimationFrame(...args) {\n    const { delegate } = animationFrameProvider;\n    return (delegate?.requestAnimationFrame || requestAnimationFrame)(...args);\n  },\n  cancelAnimationFrame(...args) {\n    const { delegate } = animationFrameProvider;\n    return (delegate?.cancelAnimationFrame || cancelAnimationFrame)(...args);\n  },\n  delegate: undefined,\n};\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface ObjectUnsubscribedError extends Error {}\n\nexport interface ObjectUnsubscribedErrorCtor {\n  /**\n   * @deprecated Internal implementation detail. Do not construct error instances.\n   * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n   */\n  new (): ObjectUnsubscribedError;\n}\n\n/**\n * An error thrown when an action is invalid because the object has been\n * unsubscribed.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n *\n * @class ObjectUnsubscribedError\n */\nexport const ObjectUnsubscribedError: ObjectUnsubscribedErrorCtor = createErrorClass(\n  (_super) =>\n    function ObjectUnsubscribedErrorImpl(this: any) {\n      _super(this);\n      this.name = 'ObjectUnsubscribedError';\n      this.message = 'object unsubscribed';\n    }\n);\n", "import { Operator } from './Operator';\nimport { Observable } from './Observable';\nimport { Subscriber } from './Subscriber';\nimport { Subscription, EMPTY_SUBSCRIPTION } from './Subscription';\nimport { Observer, SubscriptionLike, TeardownLogic } from './types';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { arrRemove } from './util/arrRemove';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A Subject is a special type of Observable that allows values to be\n * multicasted to many Observers. Subjects are like EventEmitters.\n *\n * Every Subject is an Observable and an Observer. You can subscribe to a\n * Subject, and you can call next to feed values as well as error and complete.\n */\nexport class Subject<T> extends Observable<T> implements SubscriptionLike {\n  closed = false;\n\n  private currentObservers: Observer<T>[] | null = null;\n\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  observers: Observer<T>[] = [];\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  isStopped = false;\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  hasError = false;\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  thrownError: any = null;\n\n  /**\n   * Creates a \"subject\" by basically gluing an observer to an observable.\n   *\n   * @deprecated Recommended you do not use. Will be removed at some point in the future. Plans for replacement still under discussion.\n   */\n  static create: (...args: any[]) => any = <T>(destination: Observer<T>, source: Observable<T>): AnonymousSubject<T> => {\n    return new AnonymousSubject<T>(destination, source);\n  };\n\n  constructor() {\n    // NOTE: This must be here to obscure Observable's constructor.\n    super();\n  }\n\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  lift<R>(operator: Operator<T, R>): Observable<R> {\n    const subject = new AnonymousSubject(this, this);\n    subject.operator = operator as any;\n    return subject as any;\n  }\n\n  /** @internal */\n  protected _throwIfClosed() {\n    if (this.closed) {\n      throw new ObjectUnsubscribedError();\n    }\n  }\n\n  next(value: T) {\n    errorContext(() => {\n      this._throwIfClosed();\n      if (!this.isStopped) {\n        if (!this.currentObservers) {\n          this.currentObservers = Array.from(this.observers);\n        }\n        for (const observer of this.currentObservers) {\n          observer.next(value);\n        }\n      }\n    });\n  }\n\n  error(err: any) {\n    errorContext(() => {\n      this._throwIfClosed();\n      if (!this.isStopped) {\n        this.hasError = this.isStopped = true;\n        this.thrownError = err;\n        const { observers } = this;\n        while (observers.length) {\n          observers.shift()!.error(err);\n        }\n      }\n    });\n  }\n\n  complete() {\n    errorContext(() => {\n      this._throwIfClosed();\n      if (!this.isStopped) {\n        this.isStopped = true;\n        const { observers } = this;\n        while (observers.length) {\n          observers.shift()!.complete();\n        }\n      }\n    });\n  }\n\n  unsubscribe() {\n    this.isStopped = this.closed = true;\n    this.observers = this.currentObservers = null!;\n  }\n\n  get observed() {\n    return this.observers?.length > 0;\n  }\n\n  /** @internal */\n  protected _trySubscribe(subscriber: Subscriber<T>): TeardownLogic {\n    this._throwIfClosed();\n    return super._trySubscribe(subscriber);\n  }\n\n  /** @internal */\n  protected _subscribe(subscriber: Subscriber<T>): Subscription {\n    this._throwIfClosed();\n    this._checkFinalizedStatuses(subscriber);\n    return this._innerSubscribe(subscriber);\n  }\n\n  /** @internal */\n  protected _innerSubscribe(subscriber: Subscriber<any>) {\n    const { hasError, isStopped, observers } = this;\n    if (hasError || isStopped) {\n      return EMPTY_SUBSCRIPTION;\n    }\n    this.currentObservers = null;\n    observers.push(subscriber);\n    return new Subscription(() => {\n      this.currentObservers = null;\n      arrRemove(observers, subscriber);\n    });\n  }\n\n  /** @internal */\n  protected _checkFinalizedStatuses(subscriber: Subscriber<any>) {\n    const { hasError, thrownError, isStopped } = this;\n    if (hasError) {\n      subscriber.error(thrownError);\n    } else if (isStopped) {\n      subscriber.complete();\n    }\n  }\n\n  /**\n   * Creates a new Observable with this Subject as the source. You can do this\n   * to create custom Observer-side logic of the Subject and conceal it from\n   * code that uses the Observable.\n   * @return Observable that this Subject casts to.\n   */\n  asObservable(): Observable<T> {\n    const observable: any = new Observable<T>();\n    observable.source = this;\n    return observable;\n  }\n}\n\nexport class AnonymousSubject<T> extends Subject<T> {\n  constructor(\n    /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n    public destination?: Observer<T>,\n    source?: Observable<T>\n  ) {\n    super();\n    this.source = source;\n  }\n\n  next(value: T) {\n    this.destination?.next?.(value);\n  }\n\n  error(err: any) {\n    this.destination?.error?.(err);\n  }\n\n  complete() {\n    this.destination?.complete?.();\n  }\n\n  /** @internal */\n  protected _subscribe(subscriber: Subscriber<T>): Subscription {\n    return this.source?.subscribe(subscriber) ?? EMPTY_SUBSCRIPTION;\n  }\n}\n", "import { Subject } from './Subject';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\n\n/**\n * A variant of Subject that requires an initial value and emits its current\n * value whenever it is subscribed to.\n */\nexport class BehaviorSubject<T> extends Subject<T> {\n  constructor(private _value: T) {\n    super();\n  }\n\n  get value(): T {\n    return this.getValue();\n  }\n\n  /** @internal */\n  protected _subscribe(subscriber: Subscriber<T>): Subscription {\n    const subscription = super._subscribe(subscriber);\n    !subscription.closed && subscriber.next(this._value);\n    return subscription;\n  }\n\n  getValue(): T {\n    const { hasError, thrownError, _value } = this;\n    if (hasError) {\n      throw thrownError;\n    }\n    this._throwIfClosed();\n    return _value;\n  }\n\n  next(value: T): void {\n    super.next((this._value = value));\n  }\n}\n", "import { TimestampProvider } from '../types';\n\ninterface DateTimestampProvider extends TimestampProvider {\n  delegate: TimestampProvider | undefined;\n}\n\nexport const dateTimestampProvider: DateTimestampProvider = {\n  now() {\n    // Use the variable rather than `this` so that the function can be called\n    // without being bound to the provider.\n    return (dateTimestampProvider.delegate || Date).now();\n  },\n  delegate: undefined,\n};\n", "import { Subject } from './Subject';\nimport { TimestampProvider } from './types';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * A variant of {@link Subject} that \"replays\" old values to new subscribers by emitting them when they first subscribe.\n *\n * `ReplaySubject` has an internal buffer that will store a specified number of values that it has observed. Like `Subject`,\n * `ReplaySubject` \"observes\" values by having them passed to its `next` method. When it observes a value, it will store that\n * value for a time determined by the configuration of the `ReplaySubject`, as passed to its constructor.\n *\n * When a new subscriber subscribes to the `ReplaySubject` instance, it will synchronously emit all values in its buffer in\n * a First-In-First-Out (FIFO) manner. The `ReplaySubject` will also complete, if it has observed completion; and it will\n * error if it has observed an error.\n *\n * There are two main configuration items to be concerned with:\n *\n * 1. `bufferSize` - This will determine how many items are stored in the buffer, defaults to infinite.\n * 2. `windowTime` - The amount of time to hold a value in the buffer before removing it from the buffer.\n *\n * Both configurations may exist simultaneously. So if you would like to buffer a maximum of 3 values, as long as the values\n * are less than 2 seconds old, you could do so with a `new ReplaySubject(3, 2000)`.\n *\n * ### Differences with BehaviorSubject\n *\n * `BehaviorSubject` is similar to `new ReplaySubject(1)`, with a couple of exceptions:\n *\n * 1. `BehaviorSubject` comes \"primed\" with a single value upon construction.\n * 2. `ReplaySubject` will replay values, even after observing an error, where `BehaviorSubject` will not.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n * @see {@link shareReplay}\n */\nexport class ReplaySubject<T> extends Subject<T> {\n  private _buffer: (T | number)[] = [];\n  private _infiniteTimeWindow = true;\n\n  /**\n   * @param _bufferSize The size of the buffer to replay on subscription\n   * @param _windowTime The amount of time the buffered items will stay buffered\n   * @param _timestampProvider An object with a `now()` method that provides the current timestamp. This is used to\n   * calculate the amount of time something has been buffered.\n   */\n  constructor(\n    private _bufferSize = Infinity,\n    private _windowTime = Infinity,\n    private _timestampProvider: TimestampProvider = dateTimestampProvider\n  ) {\n    super();\n    this._infiniteTimeWindow = _windowTime === Infinity;\n    this._bufferSize = Math.max(1, _bufferSize);\n    this._windowTime = Math.max(1, _windowTime);\n  }\n\n  next(value: T): void {\n    const { isStopped, _buffer, _infiniteTimeWindow, _timestampProvider, _windowTime } = this;\n    if (!isStopped) {\n      _buffer.push(value);\n      !_infiniteTimeWindow && _buffer.push(_timestampProvider.now() + _windowTime);\n    }\n    this._trimBuffer();\n    super.next(value);\n  }\n\n  /** @internal */\n  protected _subscribe(subscriber: Subscriber<T>): Subscription {\n    this._throwIfClosed();\n    this._trimBuffer();\n\n    const subscription = this._innerSubscribe(subscriber);\n\n    const { _infiniteTimeWindow, _buffer } = this;\n    // We use a copy here, so reentrant code does not mutate our array while we're\n    // emitting it to a new subscriber.\n    const copy = _buffer.slice();\n    for (let i = 0; i < copy.length && !subscriber.closed; i += _infiniteTimeWindow ? 1 : 2) {\n      subscriber.next(copy[i] as T);\n    }\n\n    this._checkFinalizedStatuses(subscriber);\n\n    return subscription;\n  }\n\n  private _trimBuffer() {\n    const { _bufferSize, _timestampProvider, _buffer, _infiniteTimeWindow } = this;\n    // If we don't have an infinite buffer size, and we're over the length,\n    // use splice to truncate the old buffer values off. Note that we have to\n    // double the size for instances where we're not using an infinite time window\n    // because we're storing the values and the timestamps in the same array.\n    const adjustedBufferSize = (_infiniteTimeWindow ? 1 : 2) * _bufferSize;\n    _bufferSize < Infinity && adjustedBufferSize < _buffer.length && _buffer.splice(0, _buffer.length - adjustedBufferSize);\n\n    // Now, if we're not in an infinite time window, remove all values where the time is\n    // older than what is allowed.\n    if (!_infiniteTimeWindow) {\n      const now = _timestampProvider.now();\n      let last = 0;\n      // Search the array for the first timestamp that isn't expired and\n      // truncate the buffer up to that point.\n      for (let i = 1; i < _buffer.length && (_buffer[i] as number) <= now; i += 2) {\n        last = i;\n      }\n      last && _buffer.splice(0, last + 1);\n    }\n  }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Subscription } from '../Subscription';\nimport { SchedulerAction } from '../types';\n\n/**\n * A unit of work to be executed in a `scheduler`. An action is typically\n * created from within a {@link SchedulerLike} and an RxJS user does not need to concern\n * themselves about creating and manipulating an Action.\n *\n * ```ts\n * class Action<T> extends Subscription {\n *   new (scheduler: Scheduler, work: (state?: T) => void);\n *   schedule(state?: T, delay: number = 0): Subscription;\n * }\n * ```\n */\nexport class Action<T> extends Subscription {\n  constructor(scheduler: Scheduler, work: (this: SchedulerAction<T>, state?: T) => void) {\n    super();\n  }\n  /**\n   * Schedules this action on its parent {@link SchedulerLike} for execution. May be passed\n   * some context object, `state`. May happen at some point in the future,\n   * according to the `delay` parameter, if specified.\n   * @param state Some contextual data that the `work` function uses when called by the\n   * Scheduler.\n   * @param delay Time to wait before executing the work, where the time unit is implicit\n   * and defined by the Scheduler.\n   * @return A subscription in order to be able to unsubscribe the scheduled work.\n   */\n  public schedule(state?: T, delay: number = 0): Subscription {\n    return this;\n  }\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetIntervalFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearIntervalFunction = (handle: TimerHandle) => void;\n\ninterface IntervalProvider {\n  setInterval: SetIntervalFunction;\n  clearInterval: ClearIntervalFunction;\n  delegate:\n    | {\n        setInterval: SetIntervalFunction;\n        clearInterval: ClearIntervalFunction;\n      }\n    | undefined;\n}\n\nexport const intervalProvider: IntervalProvider = {\n  // When accessing the delegate, use the variable rather than `this` so that\n  // the functions can be called without being bound to the provider.\n  setInterval(handler: () => void, timeout?: number, ...args) {\n    const { delegate } = intervalProvider;\n    if (delegate?.setInterval) {\n      return delegate.setInterval(handler, timeout, ...args);\n    }\n    return setInterval(handler, timeout, ...args);\n  },\n  clearInterval(handle) {\n    const { delegate } = intervalProvider;\n    return (delegate?.clearInterval || clearInterval)(handle as any);\n  },\n  delegate: undefined,\n};\n", "import { Action } from './Action';\nimport { SchedulerAction } from '../types';\nimport { Subscription } from '../Subscription';\nimport { AsyncScheduler } from './AsyncScheduler';\nimport { intervalProvider } from './intervalProvider';\nimport { arrRemove } from '../util/arrRemove';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncAction<T> extends Action<T> {\n  public id: TimerHandle | undefined;\n  public state?: T;\n  // @ts-ignore: Property has no initializer and is not definitely assigned\n  public delay: number;\n  protected pending: boolean = false;\n\n  constructor(protected scheduler: AsyncScheduler, protected work: (this: SchedulerAction<T>, state?: T) => void) {\n    super(scheduler, work);\n  }\n\n  public schedule(state?: T, delay: number = 0): Subscription {\n    if (this.closed) {\n      return this;\n    }\n\n    // Always replace the current state with the new state.\n    this.state = state;\n\n    const id = this.id;\n    const scheduler = this.scheduler;\n\n    //\n    // Important implementation note:\n    //\n    // Actions only execute once by default, unless rescheduled from within the\n    // scheduled callback. This allows us to implement single and repeat\n    // actions via the same code path, without adding API surface area, as well\n    // as mimic traditional recursion but across asynchronous boundaries.\n    //\n    // However, JS runtimes and timers distinguish between intervals achieved by\n    // serial `setTimeout` calls vs. a single `setInterval` call. An interval of\n    // serial `setTimeout` calls can be individually delayed, which delays\n    // scheduling the next `setTimeout`, and so on. `setInterval` attempts to\n    // guarantee the interval callback will be invoked more precisely to the\n    // interval period, regardless of load.\n    //\n    // Therefore, we use `setInterval` to schedule single and repeat actions.\n    // If the action reschedules itself with the same delay, the interval is not\n    // canceled. If the action doesn't reschedule, or reschedules with a\n    // different delay, the interval will be canceled after scheduled callback\n    // execution.\n    //\n    if (id != null) {\n      this.id = this.recycleAsyncId(scheduler, id, delay);\n    }\n\n    // Set the pending flag indicating that this action has been scheduled, or\n    // has recursively rescheduled itself.\n    this.pending = true;\n\n    this.delay = delay;\n    // If this action has already an async Id, don't request a new one.\n    this.id = this.id ?? this.requestAsyncId(scheduler, this.id, delay);\n\n    return this;\n  }\n\n  protected requestAsyncId(scheduler: AsyncScheduler, _id?: TimerHandle, delay: number = 0): TimerHandle {\n    return intervalProvider.setInterval(scheduler.flush.bind(scheduler, this), delay);\n  }\n\n  protected recycleAsyncId(_scheduler: AsyncScheduler, id?: TimerHandle, delay: number | null = 0): TimerHandle | undefined {\n    // If this action is rescheduled with the same delay time, don't clear the interval id.\n    if (delay != null && this.delay === delay && this.pending === false) {\n      return id;\n    }\n    // Otherwise, if the action's delay time is different from the current delay,\n    // or the action has been rescheduled before it's executed, clear the interval id\n    if (id != null) {\n      intervalProvider.clearInterval(id);\n    }\n\n    return undefined;\n  }\n\n  /**\n   * Immediately executes this action and the `work` it contains.\n   */\n  public execute(state: T, delay: number): any {\n    if (this.closed) {\n      return new Error('executing a cancelled action');\n    }\n\n    this.pending = false;\n    const error = this._execute(state, delay);\n    if (error) {\n      return error;\n    } else if (this.pending === false && this.id != null) {\n      // Dequeue if the action didn't reschedule itself. Don't call\n      // unsubscribe(), because the action could reschedule later.\n      // For example:\n      // ```\n      // scheduler.schedule(function doWork(counter) {\n      //   /* ... I'm a busy worker bee ... */\n      //   var originalAction = this;\n      //   /* wait 100ms before rescheduling the action */\n      //   setTimeout(function () {\n      //     originalAction.schedule(counter + 1);\n      //   }, 100);\n      // }, 1000);\n      // ```\n      this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n    }\n  }\n\n  protected _execute(state: T, _delay: number): any {\n    let errored: boolean = false;\n    let errorValue: any;\n    try {\n      this.work(state);\n    } catch (e) {\n      errored = true;\n      // HACK: Since code elsewhere is relying on the \"truthiness\" of the\n      // return here, we can't have it return \"\" or 0 or false.\n      // TODO: Clean this up when we refactor schedulers mid-version-8 or so.\n      errorValue = e ? e : new Error('Scheduled action threw falsy error');\n    }\n    if (errored) {\n      this.unsubscribe();\n      return errorValue;\n    }\n  }\n\n  unsubscribe() {\n    if (!this.closed) {\n      const { id, scheduler } = this;\n      const { actions } = scheduler;\n\n      this.work = this.state = this.scheduler = null!;\n      this.pending = false;\n\n      arrRemove(actions, this);\n      if (id != null) {\n        this.id = this.recycleAsyncId(scheduler, id, null);\n      }\n\n      this.delay = null!;\n      super.unsubscribe();\n    }\n  }\n}\n", "import { Action } from './scheduler/Action';\nimport { Subscription } from './Subscription';\nimport { SchedulerLike, SchedulerAction } from './types';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * An execution context and a data structure to order tasks and schedule their\n * execution. Provides a notion of (potentially virtual) time, through the\n * `now()` getter method.\n *\n * Each unit of work in a Scheduler is called an `Action`.\n *\n * ```ts\n * class Scheduler {\n *   now(): number;\n *   schedule(work, delay?, state?): Subscription;\n * }\n * ```\n *\n * @deprecated Scheduler is an internal implementation detail of RxJS, and\n * should not be used directly. Rather, create your own class and implement\n * {@link SchedulerLike}. Will be made internal in v8.\n */\nexport class Scheduler implements SchedulerLike {\n  public static now: () => number = dateTimestampProvider.now;\n\n  constructor(private schedulerActionCtor: typeof Action, now: () => number = Scheduler.now) {\n    this.now = now;\n  }\n\n  /**\n   * A getter method that returns a number representing the current time\n   * (at the time this function was called) according to the scheduler's own\n   * internal clock.\n   * @return A number that represents the current time. May or may not\n   * have a relation to wall-clock time. May or may not refer to a time unit\n   * (e.g. milliseconds).\n   */\n  public now: () => number;\n\n  /**\n   * Schedules a function, `work`, for execution. May happen at some point in\n   * the future, according to the `delay` parameter, if specified. May be passed\n   * some context object, `state`, which will be passed to the `work` function.\n   *\n   * The given arguments will be processed an stored as an Action object in a\n   * queue of actions.\n   *\n   * @param work A function representing a task, or some unit of work to be\n   * executed by the Scheduler.\n   * @param delay Time to wait before executing the work, where the time unit is\n   * implicit and defined by the Scheduler itself.\n   * @param state Some contextual data that the `work` function uses when called\n   * by the Scheduler.\n   * @return A subscription in order to be able to unsubscribe the scheduled work.\n   */\n  public schedule<T>(work: (this: SchedulerAction<T>, state?: T) => void, delay: number = 0, state?: T): Subscription {\n    return new this.schedulerActionCtor<T>(this, work).schedule(state, delay);\n  }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Action } from './Action';\nimport { AsyncAction } from './AsyncAction';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncScheduler extends Scheduler {\n  public actions: Array<AsyncAction<any>> = [];\n  /**\n   * A flag to indicate whether the Scheduler is currently executing a batch of\n   * queued actions.\n   * @internal\n   */\n  public _active: boolean = false;\n  /**\n   * An internal ID used to track the latest asynchronous task such as those\n   * coming from `setTimeout`, `setInterval`, `requestAnimationFrame`, and\n   * others.\n   * @internal\n   */\n  public _scheduled: TimerHandle | undefined;\n\n  constructor(SchedulerAction: typeof Action, now: () => number = Scheduler.now) {\n    super(SchedulerAction, now);\n  }\n\n  public flush(action: AsyncAction<any>): void {\n    const { actions } = this;\n\n    if (this._active) {\n      actions.push(action);\n      return;\n    }\n\n    let error: any;\n    this._active = true;\n\n    do {\n      if ((error = action.execute(action.state, action.delay))) {\n        break;\n      }\n    } while ((action = actions.shift()!)); // exhaust the scheduler queue\n\n    this._active = false;\n\n    if (error) {\n      while ((action = actions.shift()!)) {\n        action.unsubscribe();\n      }\n      throw error;\n    }\n  }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\n/**\n *\n * Async Scheduler\n *\n * <span class=\"informal\">Schedule task as if you used setTimeout(task, duration)</span>\n *\n * `async` scheduler schedules tasks asynchronously, by putting them on the JavaScript\n * event loop queue. It is best used to delay tasks in time or to schedule tasks repeating\n * in intervals.\n *\n * If you just want to \"defer\" task, that is to perform it right after currently\n * executing synchronous code ends (commonly achieved by `setTimeout(deferredTask, 0)`),\n * better choice will be the {@link asapScheduler} scheduler.\n *\n * ## Examples\n * Use async scheduler to delay task\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * const task = () => console.log('it works!');\n *\n * asyncScheduler.schedule(task, 2000);\n *\n * // After 2 seconds logs:\n * // \"it works!\"\n * ```\n *\n * Use async scheduler to repeat task in intervals\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * function task(state) {\n *   console.log(state);\n *   this.schedule(state + 1, 1000); // `this` references currently executing Action,\n *                                   // which we reschedule with new state and delay\n * }\n *\n * asyncScheduler.schedule(task, 3000, 0);\n *\n * // Logs:\n * // 0 after 3s\n * // 1 after 4s\n * // 2 after 5s\n * // 3 after 6s\n * ```\n */\n\nexport const asyncScheduler = new AsyncScheduler(AsyncAction);\n\n/**\n * @deprecated Renamed to {@link asyncScheduler}. Will be removed in v8.\n */\nexport const async = asyncScheduler;\n", "import { AsyncAction } from './AsyncAction';\nimport { Subscription } from '../Subscription';\nimport { QueueScheduler } from './QueueScheduler';\nimport { SchedulerAction } from '../types';\nimport { TimerHandle } from './timerHandle';\n\nexport class QueueAction<T> extends AsyncAction<T> {\n  constructor(protected scheduler: QueueScheduler, protected work: (this: SchedulerAction<T>, state?: T) => void) {\n    super(scheduler, work);\n  }\n\n  public schedule(state?: T, delay: number = 0): Subscription {\n    if (delay > 0) {\n      return super.schedule(state, delay);\n    }\n    this.delay = delay;\n    this.state = state;\n    this.scheduler.flush(this);\n    return this;\n  }\n\n  public execute(state: T, delay: number): any {\n    return delay > 0 || this.closed ? super.execute(state, delay) : this._execute(state, delay);\n  }\n\n  protected requestAsyncId(scheduler: QueueScheduler, id?: TimerHandle, delay: number = 0): TimerHandle {\n    // If delay exists and is greater than 0, or if the delay is null (the\n    // action wasn't rescheduled) but was originally scheduled as an async\n    // action, then recycle as an async action.\n\n    if ((delay != null && delay > 0) || (delay == null && this.delay > 0)) {\n      return super.requestAsyncId(scheduler, id, delay);\n    }\n\n    // Otherwise flush the scheduler starting with this action.\n    scheduler.flush(this);\n\n    // HACK: In the past, this was returning `void`. However, `void` isn't a valid\n    // `TimerHandle`, and generally the return value here isn't really used. So the\n    // compromise is to return `0` which is both \"falsy\" and a valid `TimerHandle`,\n    // as opposed to refactoring every other instanceo of `requestAsyncId`.\n    return 0;\n  }\n}\n", "import { AsyncScheduler } from './AsyncScheduler';\n\nexport class QueueScheduler extends AsyncScheduler {\n}\n", "import { QueueAction } from './QueueAction';\nimport { QueueScheduler } from './QueueScheduler';\n\n/**\n *\n * Queue Scheduler\n *\n * <span class=\"informal\">Put every next task on a queue, instead of executing it immediately</span>\n *\n * `queue` scheduler, when used with delay, behaves the same as {@link asyncScheduler} scheduler.\n *\n * When used without delay, it schedules given task synchronously - executes it right when\n * it is scheduled. However when called recursively, that is when inside the scheduled task,\n * another task is scheduled with queue scheduler, instead of executing immediately as well,\n * that task will be put on a queue and wait for current one to finish.\n *\n * This means that when you execute task with `queue` scheduler, you are sure it will end\n * before any other task scheduled with that scheduler will start.\n *\n * ## Examples\n * Schedule recursively first, then do something\n * ```ts\n * import { queueScheduler } from 'rxjs';\n *\n * queueScheduler.schedule(() => {\n *   queueScheduler.schedule(() => console.log('second')); // will not happen now, but will be put on a queue\n *\n *   console.log('first');\n * });\n *\n * // Logs:\n * // \"first\"\n * // \"second\"\n * ```\n *\n * Reschedule itself recursively\n * ```ts\n * import { queueScheduler } from 'rxjs';\n *\n * queueScheduler.schedule(function(state) {\n *   if (state !== 0) {\n *     console.log('before', state);\n *     this.schedule(state - 1); // `this` references currently executing Action,\n *                               // which we reschedule with new state\n *     console.log('after', state);\n *   }\n * }, 0, 3);\n *\n * // In scheduler that runs recursively, you would expect:\n * // \"before\", 3\n * // \"before\", 2\n * // \"before\", 1\n * // \"after\", 1\n * // \"after\", 2\n * // \"after\", 3\n *\n * // But with queue it logs:\n * // \"before\", 3\n * // \"after\", 3\n * // \"before\", 2\n * // \"after\", 2\n * // \"before\", 1\n * // \"after\", 1\n * ```\n */\n\nexport const queueScheduler = new QueueScheduler(QueueAction);\n\n/**\n * @deprecated Renamed to {@link queueScheduler}. Will be removed in v8.\n */\nexport const queue = queueScheduler;\n", "import { AsyncAction } from './AsyncAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nimport { SchedulerAction } from '../types';\nimport { animationFrameProvider } from './animationFrameProvider';\nimport { TimerHandle } from './timerHandle';\n\nexport class AnimationFrameAction<T> extends AsyncAction<T> {\n  constructor(protected scheduler: AnimationFrameScheduler, protected work: (this: SchedulerAction<T>, state?: T) => void) {\n    super(scheduler, work);\n  }\n\n  protected requestAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle {\n    // If delay is greater than 0, request as an async action.\n    if (delay !== null && delay > 0) {\n      return super.requestAsyncId(scheduler, id, delay);\n    }\n    // Push the action to the end of the scheduler queue.\n    scheduler.actions.push(this);\n    // If an animation frame has already been requested, don't request another\n    // one. If an animation frame hasn't been requested yet, request one. Return\n    // the current animation frame request id.\n    return scheduler._scheduled || (scheduler._scheduled = animationFrameProvider.requestAnimationFrame(() => scheduler.flush(undefined)));\n  }\n\n  protected recycleAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle | undefined {\n    // If delay exists and is greater than 0, or if the delay is null (the\n    // action wasn't rescheduled) but was originally scheduled as an async\n    // action, then recycle as an async action.\n    if (delay != null ? delay > 0 : this.delay > 0) {\n      return super.recycleAsyncId(scheduler, id, delay);\n    }\n    // If the scheduler queue has no remaining actions with the same async id,\n    // cancel the requested animation frame and set the scheduled flag to\n    // undefined so the next AnimationFrameAction will request its own.\n    const { actions } = scheduler;\n    if (id != null && id === scheduler._scheduled && actions[actions.length - 1]?.id !== id) {\n      animationFrameProvider.cancelAnimationFrame(id as number);\n      scheduler._scheduled = undefined;\n    }\n    // Return undefined so the action knows to request a new async id if it's rescheduled.\n    return undefined;\n  }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\nexport class AnimationFrameScheduler extends AsyncScheduler {\n  public flush(action?: AsyncAction<any>): void {\n    this._active = true;\n    // The async id that effects a call to flush is stored in _scheduled.\n    // Before executing an action, it's necessary to check the action's async\n    // id to determine whether it's supposed to be executed in the current\n    // flush.\n    // Previous implementations of this method used a count to determine this,\n    // but that was unsound, as actions that are unsubscribed - i.e. cancelled -\n    // are removed from the actions array and that can shift actions that are\n    // scheduled to be executed in a subsequent flush into positions at which\n    // they are executed within the current flush.\n    let flushId;\n    if (action) {\n      flushId = action.id;\n    } else {\n      flushId = this._scheduled;\n      this._scheduled = undefined;\n    }\n\n    const { actions } = this;\n    let error: any;\n    action = action || actions.shift()!;\n\n    do {\n      if ((error = action.execute(action.state, action.delay))) {\n        break;\n      }\n    } while ((action = actions[0]) && action.id === flushId && actions.shift());\n\n    this._active = false;\n\n    if (error) {\n      while ((action = actions[0]) && action.id === flushId && actions.shift()) {\n        action.unsubscribe();\n      }\n      throw error;\n    }\n  }\n}\n", "import { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\n\n/**\n *\n * Animation Frame Scheduler\n *\n * <span class=\"informal\">Perform task when `window.requestAnimationFrame` would fire</span>\n *\n * When `animationFrame` scheduler is used with delay, it will fall back to {@link asyncScheduler} scheduler\n * behaviour.\n *\n * Without delay, `animationFrame` scheduler can be used to create smooth browser animations.\n * It makes sure scheduled task will happen just before next browser content repaint,\n * thus performing animations as efficiently as possible.\n *\n * ## Example\n * Schedule div height animation\n * ```ts\n * // html: <div style=\"background: #0ff;\"></div>\n * import { animationFrameScheduler } from 'rxjs';\n *\n * const div = document.querySelector('div');\n *\n * animationFrameScheduler.schedule(function(height) {\n *   div.style.height = height + \"px\";\n *\n *   this.schedule(height + 1);  // `this` references currently executing Action,\n *                               // which we reschedule with new state\n * }, 0, 0);\n *\n * // You will see a div element growing in height\n * ```\n */\n\nexport const animationFrameScheduler = new AnimationFrameScheduler(AnimationFrameAction);\n\n/**\n * @deprecated Renamed to {@link animationFrameScheduler}. Will be removed in v8.\n */\nexport const animationFrame = animationFrameScheduler;\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\n\n/**\n * A simple Observable that emits no items to the Observer and immediately\n * emits a complete notification.\n *\n * <span class=\"informal\">Just emits 'complete', and nothing else.</span>\n *\n * ![](empty.png)\n *\n * A simple Observable that only emits the complete notification. It can be used\n * for composing with other Observables, such as in a {@link mergeMap}.\n *\n * ## Examples\n *\n * Log complete notification\n *\n * ```ts\n * import { EMPTY } from 'rxjs';\n *\n * EMPTY.subscribe({\n *   next: () => console.log('Next'),\n *   complete: () => console.log('Complete!')\n * });\n *\n * // Outputs\n * // Complete!\n * ```\n *\n * Emit the number 7, then complete\n *\n * ```ts\n * import { EMPTY, startWith } from 'rxjs';\n *\n * const result = EMPTY.pipe(startWith(7));\n * result.subscribe(x => console.log(x));\n *\n * // Outputs\n * // 7\n * ```\n *\n * Map and flatten only odd numbers to the sequence `'a'`, `'b'`, `'c'`\n *\n * ```ts\n * import { interval, mergeMap, of, EMPTY } from 'rxjs';\n *\n * const interval$ = interval(1000);\n * const result = interval$.pipe(\n *   mergeMap(x => x % 2 === 1 ? of('a', 'b', 'c') : EMPTY),\n * );\n * result.subscribe(x => console.log(x));\n *\n * // Results in the following to the console:\n * // x is equal to the count on the interval, e.g. (0, 1, 2, 3, ...)\n * // x will occur every 1000ms\n * // if x % 2 is equal to 1, print a, b, c (each on its own)\n * // if x % 2 is not equal to 1, nothing will be output\n * ```\n *\n * @see {@link Observable}\n * @see {@link NEVER}\n * @see {@link of}\n * @see {@link throwError}\n */\nexport const EMPTY = new Observable<never>((subscriber) => subscriber.complete());\n\n/**\n * @param scheduler A {@link SchedulerLike} to use for scheduling\n * the emission of the complete notification.\n * @deprecated Replaced with the {@link EMPTY} constant or {@link scheduled} (e.g. `scheduled([], scheduler)`). Will be removed in v8.\n */\nexport function empty(scheduler?: SchedulerLike) {\n  return scheduler ? emptyScheduled(scheduler) : EMPTY;\n}\n\nfunction emptyScheduled(scheduler: SchedulerLike) {\n  return new Observable<never>((subscriber) => scheduler.schedule(() => subscriber.complete()));\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport function isScheduler(value: any): value is SchedulerLike {\n  return value && isFunction(value.schedule);\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\nimport { isScheduler } from './isScheduler';\n\nfunction last<T>(arr: T[]): T | undefined {\n  return arr[arr.length - 1];\n}\n\nexport function popResultSelector(args: any[]): ((...args: unknown[]) => unknown) | undefined {\n  return isFunction(last(args)) ? args.pop() : undefined;\n}\n\nexport function popScheduler(args: any[]): SchedulerLike | undefined {\n  return isScheduler(last(args)) ? args.pop() : undefined;\n}\n\nexport function popNumber(args: any[], defaultValue: number): number {\n  return typeof last(args) === 'number' ? args.pop()! : defaultValue;\n}\n", "export const isArrayLike = (<T>(x: any): x is ArrayLike<T> => x && typeof x.length === 'number' && typeof x !== 'function');", "import { isFunction } from \"./isFunction\";\n\n/**\n * Tests to see if the object is \"thennable\".\n * @param value the object to test\n */\nexport function isPromise(value: any): value is PromiseLike<any> {\n  return isFunction(value?.then);\n}\n", "import { InteropObservable } from '../types';\nimport { observable as Symbol_observable } from '../symbol/observable';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being Observable (but not necessary an Rx Observable) */\nexport function isInteropObservable(input: any): input is InteropObservable<any> {\n  return isFunction(input[Symbol_observable]);\n}\n", "import { isFunction } from './isFunction';\n\nexport function isAsyncIterable<T>(obj: any): obj is AsyncIterable<T> {\n  return Symbol.asyncIterator && isFunction(obj?.[Symbol.asyncIterator]);\n}\n", "/**\n * Creates the TypeError to throw if an invalid object is passed to `from` or `scheduled`.\n * @param input The object that was passed.\n */\nexport function createInvalidObservableTypeError(input: any) {\n  // TODO: We should create error codes that can be looked up, so this can be less verbose.\n  return new TypeError(\n    `You provided ${\n      input !== null && typeof input === 'object' ? 'an invalid object' : `'${input}'`\n    } where a stream was expected. You can provide an Observable, Promise, ReadableStream, Array, AsyncIterable, or Iterable.`\n  );\n}\n", "export function getSymbolIterator(): symbol {\n  if (typeof Symbol !== 'function' || !Symbol.iterator) {\n    return '@@iterator' as any;\n  }\n\n  return Symbol.iterator;\n}\n\nexport const iterator = getSymbolIterator();\n", "import { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being an Iterable */\nexport function isIterable(input: any): input is Iterable<any> {\n  return isFunction(input?.[Symbol_iterator]);\n}\n", "import { ReadableStreamLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport async function* readableStreamLikeToAsyncGenerator<T>(readableStream: ReadableStreamLike<T>): AsyncGenerator<T> {\n  const reader = readableStream.getReader();\n  try {\n    while (true) {\n      const { value, done } = await reader.read();\n      if (done) {\n        return;\n      }\n      yield value!;\n    }\n  } finally {\n    reader.releaseLock();\n  }\n}\n\nexport function isReadableStreamLike<T>(obj: any): obj is ReadableStreamLike<T> {\n  // We don't want to use instanceof checks because they would return\n  // false for instances from another Realm, like an <iframe>.\n  return isFunction(obj?.getReader);\n}\n", "import { isArrayLike } from '../util/isArrayLike';\nimport { isPromise } from '../util/isPromise';\nimport { Observable } from '../Observable';\nimport { ObservableInput, ObservedValueOf, ReadableStreamLike } from '../types';\nimport { isInteropObservable } from '../util/isInteropObservable';\nimport { isAsyncIterable } from '../util/isAsyncIterable';\nimport { createInvalidObservableTypeError } from '../util/throwUnobservableError';\nimport { isIterable } from '../util/isIterable';\nimport { isReadableStreamLike, readableStreamLikeToAsyncGenerator } from '../util/isReadableStreamLike';\nimport { Subscriber } from '../Subscriber';\nimport { isFunction } from '../util/isFunction';\nimport { reportUnhandledError } from '../util/reportUnhandledError';\nimport { observable as Symbol_observable } from '../symbol/observable';\n\nexport function innerFrom<O extends ObservableInput<any>>(input: O): Observable<ObservedValueOf<O>>;\nexport function innerFrom<T>(input: ObservableInput<T>): Observable<T> {\n  if (input instanceof Observable) {\n    return input;\n  }\n  if (input != null) {\n    if (isInteropObservable(input)) {\n      return fromInteropObservable(input);\n    }\n    if (isArrayLike(input)) {\n      return fromArrayLike(input);\n    }\n    if (isPromise(input)) {\n      return fromPromise(input);\n    }\n    if (isAsyncIterable(input)) {\n      return fromAsyncIterable(input);\n    }\n    if (isIterable(input)) {\n      return fromIterable(input);\n    }\n    if (isReadableStreamLike(input)) {\n      return fromReadableStreamLike(input);\n    }\n  }\n\n  throw createInvalidObservableTypeError(input);\n}\n\n/**\n * Creates an RxJS Observable from an object that implements `Symbol.observable`.\n * @param obj An object that properly implements `Symbol.observable`.\n */\nexport function fromInteropObservable<T>(obj: any) {\n  return new Observable((subscriber: Subscriber<T>) => {\n    const obs = obj[Symbol_observable]();\n    if (isFunction(obs.subscribe)) {\n      return obs.subscribe(subscriber);\n    }\n    // Should be caught by observable subscribe function error handling.\n    throw new TypeError('Provided object does not correctly implement Symbol.observable');\n  });\n}\n\n/**\n * Synchronously emits the values of an array like and completes.\n * This is exported because there are creation functions and operators that need to\n * make direct use of the same logic, and there's no reason to make them run through\n * `from` conditionals because we *know* they're dealing with an array.\n * @param array The array to emit values from\n */\nexport function fromArrayLike<T>(array: ArrayLike<T>) {\n  return new Observable((subscriber: Subscriber<T>) => {\n    // Loop over the array and emit each value. Note two things here:\n    // 1. We're making sure that the subscriber is not closed on each loop.\n    //    This is so we don't continue looping over a very large array after\n    //    something like a `take`, `takeWhile`, or other synchronous unsubscription\n    //    has already unsubscribed.\n    // 2. In this form, reentrant code can alter that array we're looping over.\n    //    This is a known issue, but considered an edge case. The alternative would\n    //    be to copy the array before executing the loop, but this has\n    //    performance implications.\n    for (let i = 0; i < array.length && !subscriber.closed; i++) {\n      subscriber.next(array[i]);\n    }\n    subscriber.complete();\n  });\n}\n\nexport function fromPromise<T>(promise: PromiseLike<T>) {\n  return new Observable((subscriber: Subscriber<T>) => {\n    promise\n      .then(\n        (value) => {\n          if (!subscriber.closed) {\n            subscriber.next(value);\n            subscriber.complete();\n          }\n        },\n        (err: any) => subscriber.error(err)\n      )\n      .then(null, reportUnhandledError);\n  });\n}\n\nexport function fromIterable<T>(iterable: Iterable<T>) {\n  return new Observable((subscriber: Subscriber<T>) => {\n    for (const value of iterable) {\n      subscriber.next(value);\n      if (subscriber.closed) {\n        return;\n      }\n    }\n    subscriber.complete();\n  });\n}\n\nexport function fromAsyncIterable<T>(asyncIterable: AsyncIterable<T>) {\n  return new Observable((subscriber: Subscriber<T>) => {\n    process(asyncIterable, subscriber).catch((err) => subscriber.error(err));\n  });\n}\n\nexport function fromReadableStreamLike<T>(readableStream: ReadableStreamLike<T>) {\n  return fromAsyncIterable(readableStreamLikeToAsyncGenerator(readableStream));\n}\n\nasync function process<T>(asyncIterable: AsyncIterable<T>, subscriber: Subscriber<T>) {\n  for await (const value of asyncIterable) {\n    subscriber.next(value);\n    // A side-effect may have closed our subscriber,\n    // check before the next iteration.\n    if (subscriber.closed) {\n      return;\n    }\n  }\n  subscriber.complete();\n}\n", "import { Subscription } from '../Subscription';\nimport { SchedulerAction, SchedulerLike } from '../types';\n\nexport function executeSchedule(\n  parentSubscription: Subscription,\n  scheduler: SchedulerLike,\n  work: () => void,\n  delay: number,\n  repeat: true\n): void;\nexport function executeSchedule(\n  parentSubscription: Subscription,\n  scheduler: SchedulerLike,\n  work: () => void,\n  delay?: number,\n  repeat?: false\n): Subscription;\n\nexport function executeSchedule(\n  parentSubscription: Subscription,\n  scheduler: SchedulerLike,\n  work: () => void,\n  delay = 0,\n  repeat = false\n): Subscription | void {\n  const scheduleSubscription = scheduler.schedule(function (this: SchedulerAction<any>) {\n    work();\n    if (repeat) {\n      parentSubscription.add(this.schedule(null, delay));\n    } else {\n      this.unsubscribe();\n    }\n  }, delay);\n\n  parentSubscription.add(scheduleSubscription);\n\n  if (!repeat) {\n    // Because user-land scheduler implementations are unlikely to properly reuse\n    // Actions for repeat scheduling, we can't trust that the returned subscription\n    // will control repeat subscription scenarios. So we're trying to avoid using them\n    // incorrectly within this library.\n    return scheduleSubscription;\n  }\n}\n", "/** @prettier */\nimport { MonoTypeOperatorFunction, SchedulerLike } from '../types';\nimport { executeSchedule } from '../util/executeSchedule';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * Re-emits all notifications from source Observable with specified scheduler.\n *\n * <span class=\"informal\">Ensure a specific scheduler is used, from outside of an Observable.</span>\n *\n * `observeOn` is an operator that accepts a scheduler as a first parameter, which will be used to reschedule\n * notifications emitted by the source Observable. It might be useful, if you do not have control over\n * internal scheduler of a given Observable, but want to control when its values are emitted nevertheless.\n *\n * Returned Observable emits the same notifications (nexted values, complete and error events) as the source Observable,\n * but rescheduled with provided scheduler. Note that this doesn't mean that source Observables internal\n * scheduler will be replaced in any way. Original scheduler still will be used, but when the source Observable emits\n * notification, it will be immediately scheduled again - this time with scheduler passed to `observeOn`.\n * An anti-pattern would be calling `observeOn` on Observable that emits lots of values synchronously, to split\n * that emissions into asynchronous chunks. For this to happen, scheduler would have to be passed into the source\n * Observable directly (usually into the operator that creates it). `observeOn` simply delays notifications a\n * little bit more, to ensure that they are emitted at expected moments.\n *\n * As a matter of fact, `observeOn` accepts second parameter, which specifies in milliseconds with what delay notifications\n * will be emitted. The main difference between {@link delay} operator and `observeOn` is that `observeOn`\n * will delay all notifications - including error notifications - while `delay` will pass through error\n * from source Observable immediately when it is emitted. In general it is highly recommended to use `delay` operator\n * for any kind of delaying of values in the stream, while using `observeOn` to specify which scheduler should be used\n * for notification emissions in general.\n *\n * ## Example\n *\n * Ensure values in subscribe are called just before browser repaint\n *\n * ```ts\n * import { interval, observeOn, animationFrameScheduler } from 'rxjs';\n *\n * const someDiv = document.createElement('div');\n * someDiv.style.cssText = 'width: 200px;background: #09c';\n * document.body.appendChild(someDiv);\n * const intervals = interval(10);      // Intervals are scheduled\n *                                      // with async scheduler by default...\n * intervals.pipe(\n *   observeOn(animationFrameScheduler) // ...but we will observe on animationFrame\n * )                                    // scheduler to ensure smooth animation.\n * .subscribe(val => {\n *   someDiv.style.height = val + 'px';\n * });\n * ```\n *\n * @see {@link delay}\n *\n * @param scheduler Scheduler that will be used to reschedule notifications from source Observable.\n * @param delay Number of milliseconds that states with what delay every notification should be rescheduled.\n * @return A function that returns an Observable that emits the same\n * notifications as the source Observable, but with provided scheduler.\n */\nexport function observeOn<T>(scheduler: SchedulerLike, delay = 0): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => executeSchedule(subscriber, scheduler, () => subscriber.next(value), delay),\n        () => executeSchedule(subscriber, scheduler, () => subscriber.complete(), delay),\n        (err) => executeSchedule(subscriber, scheduler, () => subscriber.error(err), delay)\n      )\n    );\n  });\n}\n", "import { MonoTypeOperatorFunction, SchedulerLike } from '../types';\nimport { operate } from '../util/lift';\n\n/**\n * Asynchronously subscribes Observers to this Observable on the specified {@link SchedulerLike}.\n *\n * With `subscribeOn` you can decide what type of scheduler a specific Observable will be using when it is subscribed to.\n *\n * Schedulers control the speed and order of emissions to observers from an Observable stream.\n *\n * ![](subscribeOn.png)\n *\n * ## Example\n *\n * Given the following code:\n *\n * ```ts\n * import { of, merge } from 'rxjs';\n *\n * const a = of(1, 2, 3);\n * const b = of(4, 5, 6);\n *\n * merge(a, b).subscribe(console.log);\n *\n * // Outputs\n * // 1\n * // 2\n * // 3\n * // 4\n * // 5\n * // 6\n * ```\n *\n * Both Observable `a` and `b` will emit their values directly and synchronously once they are subscribed to.\n *\n * If we instead use the `subscribeOn` operator declaring that we want to use the {@link asyncScheduler} for values emitted by Observable `a`:\n *\n * ```ts\n * import { of, subscribeOn, asyncScheduler, merge } from 'rxjs';\n *\n * const a = of(1, 2, 3).pipe(subscribeOn(asyncScheduler));\n * const b = of(4, 5, 6);\n *\n * merge(a, b).subscribe(console.log);\n *\n * // Outputs\n * // 4\n * // 5\n * // 6\n * // 1\n * // 2\n * // 3\n * ```\n *\n * The reason for this is that Observable `b` emits its values directly and synchronously like before\n * but the emissions from `a` are scheduled on the event loop because we are now using the {@link asyncScheduler} for that specific Observable.\n *\n * @param scheduler The {@link SchedulerLike} to perform subscription actions on.\n * @param delay A delay to pass to the scheduler to delay subscriptions\n * @return A function that returns an Observable modified so that its\n * subscriptions happen on the specified {@link SchedulerLike}.\n */\nexport function subscribeOn<T>(scheduler: SchedulerLike, delay: number = 0): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    subscriber.add(scheduler.schedule(() => source.subscribe(subscriber), delay));\n  });\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { observeOn } from '../operators/observeOn';\nimport { subscribeOn } from '../operators/subscribeOn';\nimport { InteropObservable, SchedulerLike } from '../types';\n\nexport function scheduleObservable<T>(input: InteropObservable<T>, scheduler: SchedulerLike) {\n  return innerFrom(input).pipe(subscribeOn(scheduler), observeOn(scheduler));\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { observeOn } from '../operators/observeOn';\nimport { subscribeOn } from '../operators/subscribeOn';\nimport { SchedulerLike } from '../types';\n\nexport function schedulePromise<T>(input: PromiseLike<T>, scheduler: SchedulerLike) {\n  return innerFrom(input).pipe(subscribeOn(scheduler), observeOn(scheduler));\n}\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\n\nexport function scheduleArray<T>(input: ArrayLike<T>, scheduler: SchedulerLike) {\n  return new Observable<T>((subscriber) => {\n    // The current array index.\n    let i = 0;\n    // Start iterating over the array like on a schedule.\n    return scheduler.schedule(function () {\n      if (i === input.length) {\n        // If we have hit the end of the array like in the\n        // previous job, we can complete.\n        subscriber.complete();\n      } else {\n        // Otherwise let's next the value at the current index,\n        // then increment our index.\n        subscriber.next(input[i++]);\n        // If the last emission didn't cause us to close the subscriber\n        // (via take or some side effect), reschedule the job and we'll\n        // make another pass.\n        if (!subscriber.closed) {\n          this.schedule();\n        }\n      }\n    });\n  });\n}\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { isFunction } from '../util/isFunction';\nimport { executeSchedule } from '../util/executeSchedule';\n\n/**\n * Used in {@link scheduled} to create an observable from an Iterable.\n * @param input The iterable to create an observable from\n * @param scheduler The scheduler to use\n */\nexport function scheduleIterable<T>(input: Iterable<T>, scheduler: SchedulerLike) {\n  return new Observable<T>((subscriber) => {\n    let iterator: Iterator<T, T>;\n\n    // Schedule the initial creation of the iterator from\n    // the iterable. This is so the code in the iterable is\n    // not called until the scheduled job fires.\n    executeSchedule(subscriber, scheduler, () => {\n      // Create the iterator.\n      iterator = (input as any)[Symbol_iterator]();\n\n      executeSchedule(\n        subscriber,\n        scheduler,\n        () => {\n          let value: T;\n          let done: boolean | undefined;\n          try {\n            // Pull the value out of the iterator\n            ({ value, done } = iterator.next());\n          } catch (err) {\n            // We got an error while pulling from the iterator\n            subscriber.error(err);\n            return;\n          }\n\n          if (done) {\n            // If it is \"done\" we just complete. This mimics the\n            // behavior of JavaScript's `for..of` consumption of\n            // iterables, which will not emit the value from an iterator\n            // result of `{ done: true: value: 'here' }`.\n            subscriber.complete();\n          } else {\n            // The iterable is not done, emit the value.\n            subscriber.next(value);\n          }\n        },\n        0,\n        true\n      );\n    });\n\n    // During finalization, if we see this iterator has a `return` method,\n    // then we know it is a Generator, and not just an Iterator. So we call\n    // the `return()` function. This will ensure that any `finally { }` blocks\n    // inside of the generator we can hit will be hit properly.\n    return () => isFunction(iterator?.return) && iterator.return();\n  });\n}\n", "import { SchedulerLike } from '../types';\nimport { Observable } from '../Observable';\nimport { executeSchedule } from '../util/executeSchedule';\n\nexport function scheduleAsyncIterable<T>(input: AsyncIterable<T>, scheduler: SchedulerLike) {\n  if (!input) {\n    throw new Error('Iterable cannot be null');\n  }\n  return new Observable<T>((subscriber) => {\n    executeSchedule(subscriber, scheduler, () => {\n      const iterator = input[Symbol.asyncIterator]();\n      executeSchedule(\n        subscriber,\n        scheduler,\n        () => {\n          iterator.next().then((result) => {\n            if (result.done) {\n              // This will remove the subscriptions from\n              // the parent subscription.\n              subscriber.complete();\n            } else {\n              subscriber.next(result.value);\n            }\n          });\n        },\n        0,\n        true\n      );\n    });\n  });\n}\n", "import { SchedulerLike, ReadableStreamLike } from '../types';\nimport { Observable } from '../Observable';\nimport { scheduleAsyncIterable } from './scheduleAsyncIterable';\nimport { readableStreamLikeToAsyncGenerator } from '../util/isReadableStreamLike';\n\nexport function scheduleReadableStreamLike<T>(input: ReadableStreamLike<T>, scheduler: SchedulerLike): Observable<T> {\n  return scheduleAsyncIterable(readableStreamLikeToAsyncGenerator(input), scheduler);\n}\n", "import { scheduleObservable } from './scheduleObservable';\nimport { schedulePromise } from './schedulePromise';\nimport { scheduleArray } from './scheduleArray';\nimport { scheduleIterable } from './scheduleIterable';\nimport { scheduleAsyncIterable } from './scheduleAsyncIterable';\nimport { isInteropObservable } from '../util/isInteropObservable';\nimport { isPromise } from '../util/isPromise';\nimport { isArrayLike } from '../util/isArrayLike';\nimport { isIterable } from '../util/isIterable';\nimport { ObservableInput, SchedulerLike } from '../types';\nimport { Observable } from '../Observable';\nimport { isAsyncIterable } from '../util/isAsyncIterable';\nimport { createInvalidObservableTypeError } from '../util/throwUnobservableError';\nimport { isReadableStreamLike } from '../util/isReadableStreamLike';\nimport { scheduleReadableStreamLike } from './scheduleReadableStreamLike';\n\n/**\n * Converts from a common {@link ObservableInput} type to an observable where subscription and emissions\n * are scheduled on the provided scheduler.\n *\n * @see {@link from}\n * @see {@link of}\n *\n * @param input The observable, array, promise, iterable, etc you would like to schedule\n * @param scheduler The scheduler to use to schedule the subscription and emissions from\n * the returned observable.\n */\nexport function scheduled<T>(input: ObservableInput<T>, scheduler: SchedulerLike): Observable<T> {\n  if (input != null) {\n    if (isInteropObservable(input)) {\n      return scheduleObservable(input, scheduler);\n    }\n    if (isArrayLike(input)) {\n      return scheduleArray(input, scheduler);\n    }\n    if (isPromise(input)) {\n      return schedulePromise(input, scheduler);\n    }\n    if (isAsyncIterable(input)) {\n      return scheduleAsyncIterable(input, scheduler);\n    }\n    if (isIterable(input)) {\n      return scheduleIterable(input, scheduler);\n    }\n    if (isReadableStreamLike(input)) {\n      return scheduleReadableStreamLike(input, scheduler);\n    }\n  }\n  throw createInvalidObservableTypeError(input);\n}\n", "import { Observable } from '../Observable';\nimport { ObservableInput, SchedulerLike, ObservedValueOf } from '../types';\nimport { scheduled } from '../scheduled/scheduled';\nimport { innerFrom } from './innerFrom';\n\nexport function from<O extends ObservableInput<any>>(input: O): Observable<ObservedValueOf<O>>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function from<O extends ObservableInput<any>>(input: O, scheduler: SchedulerLike | undefined): Observable<ObservedValueOf<O>>;\n\n/**\n * Creates an Observable from an Array, an array-like object, a Promise, an iterable object, or an Observable-like object.\n *\n * <span class=\"informal\">Converts almost anything to an Observable.</span>\n *\n * ![](from.png)\n *\n * `from` converts various other objects and data types into Observables. It also converts a Promise, an array-like, or an\n * <a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols#iterable\" target=\"_blank\">iterable</a>\n * object into an Observable that emits the items in that promise, array, or iterable. A String, in this context, is treated\n * as an array of characters. Observable-like objects (contains a function named with the ES2015 Symbol for Observable) can also be\n * converted through this operator.\n *\n * ## Examples\n *\n * Converts an array to an Observable\n *\n * ```ts\n * import { from } from 'rxjs';\n *\n * const array = [10, 20, 30];\n * const result = from(array);\n *\n * result.subscribe(x => console.log(x));\n *\n * // Logs:\n * // 10\n * // 20\n * // 30\n * ```\n *\n * Convert an infinite iterable (from a generator) to an Observable\n *\n * ```ts\n * import { from, take } from 'rxjs';\n *\n * function* generateDoubles(seed) {\n *    let i = seed;\n *    while (true) {\n *      yield i;\n *      i = 2 * i; // double it\n *    }\n * }\n *\n * const iterator = generateDoubles(3);\n * const result = from(iterator).pipe(take(10));\n *\n * result.subscribe(x => console.log(x));\n *\n * // Logs:\n * // 3\n * // 6\n * // 12\n * // 24\n * // 48\n * // 96\n * // 192\n * // 384\n * // 768\n * // 1536\n * ```\n *\n * With `asyncScheduler`\n *\n * ```ts\n * import { from, asyncScheduler } from 'rxjs';\n *\n * console.log('start');\n *\n * const array = [10, 20, 30];\n * const result = from(array, asyncScheduler);\n *\n * result.subscribe(x => console.log(x));\n *\n * console.log('end');\n *\n * // Logs:\n * // 'start'\n * // 'end'\n * // 10\n * // 20\n * // 30\n * ```\n *\n * @see {@link fromEvent}\n * @see {@link fromEventPattern}\n *\n * @param input A subscription object, a Promise, an Observable-like,\n * an Array, an iterable, or an array-like object to be converted.\n * @param scheduler An optional {@link SchedulerLike} on which to schedule the emission of values.\n * @return An Observable converted from {@link ObservableInput}.\n */\nexport function from<T>(input: ObservableInput<T>, scheduler?: SchedulerLike): Observable<T> {\n  return scheduler ? scheduled(input, scheduler) : innerFrom(input);\n}\n", "import { SchedulerLike, ValueFromArray } from '../types';\nimport { Observable } from '../Observable';\nimport { popScheduler } from '../util/args';\nimport { from } from './from';\n\n// Devs are more likely to pass null or undefined than they are a scheduler\n// without accompanying values. To make things easier for (naughty) devs who\n// use the `strictNullChecks: false` TypeScript compiler option, these\n// overloads with explicit null and undefined values are included.\n\nexport function of(value: null): Observable<null>;\nexport function of(value: undefined): Observable<undefined>;\n\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function of(scheduler: SchedulerLike): Observable<never>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function of<A extends readonly unknown[]>(...valuesAndScheduler: [...A, SchedulerLike]): Observable<ValueFromArray<A>>;\n\nexport function of(): Observable<never>;\n/** @deprecated Do not specify explicit type parameters. Signatures with type parameters that cannot be inferred will be removed in v8. */\nexport function of<T>(): Observable<T>;\nexport function of<T>(value: T): Observable<T>;\nexport function of<A extends readonly unknown[]>(...values: A): Observable<ValueFromArray<A>>;\n\n/**\n * Converts the arguments to an observable sequence.\n *\n * <span class=\"informal\">Each argument becomes a `next` notification.</span>\n *\n * ![](of.png)\n *\n * Unlike {@link from}, it does not do any flattening and emits each argument in whole\n * as a separate `next` notification.\n *\n * ## Examples\n *\n * Emit the values `10, 20, 30`\n *\n * ```ts\n * import { of } from 'rxjs';\n *\n * of(10, 20, 30)\n *   .subscribe({\n *     next: value => console.log('next:', value),\n *     error: err => console.log('error:', err),\n *     complete: () => console.log('the end'),\n *   });\n *\n * // Outputs\n * // next: 10\n * // next: 20\n * // next: 30\n * // the end\n * ```\n *\n * Emit the array `[1, 2, 3]`\n *\n * ```ts\n * import { of } from 'rxjs';\n *\n * of([1, 2, 3])\n *   .subscribe({\n *     next: value => console.log('next:', value),\n *     error: err => console.log('error:', err),\n *     complete: () => console.log('the end'),\n *   });\n *\n * // Outputs\n * // next: [1, 2, 3]\n * // the end\n * ```\n *\n * @see {@link from}\n * @see {@link range}\n *\n * @param args A comma separated list of arguments you want to be emitted.\n * @return An Observable that synchronously emits the arguments described\n * above and then immediately completes.\n */\nexport function of<T>(...args: Array<T | SchedulerLike>): Observable<T> {\n  const scheduler = popScheduler(args);\n  return from(args as T[], scheduler);\n}\n", "import { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { SchedulerLike } from '../types';\nimport { isFunction } from '../util/isFunction';\n\n/**\n * Creates an observable that will create an error instance and push it to the consumer as an error\n * immediately upon subscription.\n *\n * <span class=\"informal\">Just errors and does nothing else</span>\n *\n * ![](throw.png)\n *\n * This creation function is useful for creating an observable that will create an error and error every\n * time it is subscribed to. Generally, inside of most operators when you might want to return an errored\n * observable, this is unnecessary. In most cases, such as in the inner return of {@link concatMap},\n * {@link mergeMap}, {@link defer}, and many others, you can simply throw the error, and RxJS will pick\n * that up and notify the consumer of the error.\n *\n * ## Example\n *\n * Create a simple observable that will create a new error with a timestamp and log it\n * and the message every time you subscribe to it\n *\n * ```ts\n * import { throwError } from 'rxjs';\n *\n * let errorCount = 0;\n *\n * const errorWithTimestamp$ = throwError(() => {\n *   const error: any = new Error(`This is error number ${ ++errorCount }`);\n *   error.timestamp = Date.now();\n *   return error;\n * });\n *\n * errorWithTimestamp$.subscribe({\n *   error: err => console.log(err.timestamp, err.message)\n * });\n *\n * errorWithTimestamp$.subscribe({\n *   error: err => console.log(err.timestamp, err.message)\n * });\n *\n * // Logs the timestamp and a new error message for each subscription\n * ```\n *\n * ### Unnecessary usage\n *\n * Using `throwError` inside of an operator or creation function\n * with a callback, is usually not necessary\n *\n * ```ts\n * import { of, concatMap, timer, throwError } from 'rxjs';\n *\n * const delays$ = of(1000, 2000, Infinity, 3000);\n *\n * delays$.pipe(\n *   concatMap(ms => {\n *     if (ms < 10000) {\n *       return timer(ms);\n *     } else {\n *       // This is probably overkill.\n *       return throwError(() => new Error(`Invalid time ${ ms }`));\n *     }\n *   })\n * )\n * .subscribe({\n *   next: console.log,\n *   error: console.error\n * });\n * ```\n *\n * You can just throw the error instead\n *\n * ```ts\n * import { of, concatMap, timer } from 'rxjs';\n *\n * const delays$ = of(1000, 2000, Infinity, 3000);\n *\n * delays$.pipe(\n *   concatMap(ms => {\n *     if (ms < 10000) {\n *       return timer(ms);\n *     } else {\n *       // Cleaner and easier to read for most folks.\n *       throw new Error(`Invalid time ${ ms }`);\n *     }\n *   })\n * )\n * .subscribe({\n *   next: console.log,\n *   error: console.error\n * });\n * ```\n *\n * @param errorFactory A factory function that will create the error instance that is pushed.\n */\nexport function throwError(errorFactory: () => any): Observable<never>;\n\n/**\n * Returns an observable that will error with the specified error immediately upon subscription.\n *\n * @param error The error instance to emit\n * @deprecated Support for passing an error value will be removed in v8. Instead, pass a factory function to `throwError(() => new Error('test'))`. This is\n * because it will create the error at the moment it should be created and capture a more appropriate stack trace. If\n * for some reason you need to create the error ahead of time, you can still do that: `const err = new Error('test'); throwError(() => err);`.\n */\nexport function throwError(error: any): Observable<never>;\n\n/**\n * Notifies the consumer of an error using a given scheduler by scheduling it at delay `0` upon subscription.\n *\n * @param errorOrErrorFactory An error instance or error factory\n * @param scheduler A scheduler to use to schedule the error notification\n * @deprecated The `scheduler` parameter will be removed in v8.\n * Use `throwError` in combination with {@link observeOn}: `throwError(() => new Error('test')).pipe(observeOn(scheduler));`.\n * Details: https://rxjs.dev/deprecations/scheduler-argument\n */\nexport function throwError(errorOrErrorFactory: any, scheduler: SchedulerLike): Observable<never>;\n\nexport function throwError(errorOrErrorFactory: any, scheduler?: SchedulerLike): Observable<never> {\n  const errorFactory = isFunction(errorOrErrorFactory) ? errorOrErrorFactory : () => errorOrErrorFactory;\n  const init = (subscriber: Subscriber<never>) => subscriber.error(errorFactory());\n  return new Observable(scheduler ? (subscriber) => scheduler.schedule(init as any, 0, subscriber) : init);\n}\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface EmptyError extends Error {}\n\nexport interface EmptyErrorCtor {\n  /**\n   * @deprecated Internal implementation detail. Do not construct error instances.\n   * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n   */\n  new (): EmptyError;\n}\n\n/**\n * An error thrown when an Observable or a sequence was queried but has no\n * elements.\n *\n * @see {@link first}\n * @see {@link last}\n * @see {@link single}\n * @see {@link firstValueFrom}\n * @see {@link lastValueFrom}\n */\nexport const EmptyError: EmptyErrorCtor = createErrorClass(\n  (_super) =>\n    function EmptyErrorImpl(this: any) {\n      _super(this);\n      this.name = 'EmptyError';\n      this.message = 'no elements in sequence';\n    }\n);\n", "/**\n * Checks to see if a value is not only a `Date` object,\n * but a *valid* `Date` object that can be converted to a\n * number. For example, `new Date('blah')` is indeed an\n * `instanceof Date`, however it cannot be converted to a\n * number.\n */\nexport function isValidDate(value: any): value is Date {\n  return value instanceof Date && !isNaN(value as any);\n}\n", "import { OperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\nexport function map<T, R>(project: (value: T, index: number) => R): OperatorFunction<T, R>;\n/** @deprecated Use a closure instead of a `thisArg`. Signatures accepting a `thisArg` will be removed in v8. */\nexport function map<T, R, A>(project: (this: A, value: T, index: number) => R, thisArg: A): OperatorFunction<T, R>;\n\n/**\n * Applies a given `project` function to each value emitted by the source\n * Observable, and emits the resulting values as an Observable.\n *\n * <span class=\"informal\">Like [Array.prototype.map()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map),\n * it passes each source value through a transformation function to get\n * corresponding output values.</span>\n *\n * ![](map.png)\n *\n * Similar to the well known `Array.prototype.map` function, this operator\n * applies a projection to each value and emits that projection in the output\n * Observable.\n *\n * ## Example\n *\n * Map every click to the `clientX` position of that click\n *\n * ```ts\n * import { fromEvent, map } from 'rxjs';\n *\n * const clicks = fromEvent<PointerEvent>(document, 'click');\n * const positions = clicks.pipe(map(ev => ev.clientX));\n *\n * positions.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link mapTo}\n * @see {@link pluck}\n *\n * @param project The function to apply to each `value` emitted by the source\n * Observable. The `index` parameter is the number `i` for the i-th emission\n * that has happened since the subscription, starting from the number `0`.\n * @param thisArg An optional argument to define what `this` is in the\n * `project` function.\n * @return A function that returns an Observable that emits the values from the\n * source Observable transformed by the given `project` function.\n */\nexport function map<T, R>(project: (value: T, index: number) => R, thisArg?: any): OperatorFunction<T, R> {\n  return operate((source, subscriber) => {\n    // The index of the value from the source. Used with projection.\n    let index = 0;\n    // Subscribe to the source, all errors and completions are sent along\n    // to the consumer.\n    source.subscribe(\n      createOperatorSubscriber(subscriber, (value: T) => {\n        // Call the projection function with the appropriate this context,\n        // and send the resulting value to the consumer.\n        subscriber.next(project.call(thisArg, value, index++));\n      })\n    );\n  });\n}\n", "import { OperatorFunction } from \"../types\";\nimport { map } from \"../operators/map\";\n\nconst { isArray } = Array;\n\nfunction callOrApply<T, R>(fn: ((...values: T[]) => R), args: T|T[]): R {\n    return isArray(args) ? fn(...args) : fn(args);\n}\n\n/**\n * Used in several -- mostly deprecated -- situations where we need to \n * apply a list of arguments or a single argument to a result selector.\n */\nexport function mapOneOrManyArgs<T, R>(fn: ((...values: T[]) => R)): OperatorFunction<T|T[], R> {\n    return map(args => callOrApply(fn, args))\n}", "const { isArray } = Array;\nconst { getPrototypeOf, prototype: objectProto, keys: getKeys } = Object;\n\n/**\n * Used in functions where either a list of arguments, a single array of arguments, or a\n * dictionary of arguments can be returned. Returns an object with an `args` property with\n * the arguments in an array, if it is a dictionary, it will also return the `keys` in another\n * property.\n */\nexport function argsArgArrayOrObject<T, O extends Record<string, T>>(args: T[] | [O] | [T[]]): { args: T[]; keys: string[] | null } {\n  if (args.length === 1) {\n    const first = args[0];\n    if (isArray(first)) {\n      return { args: first, keys: null };\n    }\n    if (isPOJO(first)) {\n      const keys = getKeys(first);\n      return {\n        args: keys.map((key) => first[key]),\n        keys,\n      };\n    }\n  }\n\n  return { args: args as T[], keys: null };\n}\n\nfunction isPOJO(obj: any): obj is object {\n  return obj && typeof obj === 'object' && getPrototypeOf(obj) === objectProto;\n}\n", "export function createObject(keys: string[], values: any[]) {\n  return keys.reduce((result, key, i) => ((result[key] = values[i]), result), {} as any);\n}\n", "import { Observable } from '../Observable';\nimport { ObservableInput, SchedulerLike, ObservedValueOf, ObservableInputTuple } from '../types';\nimport { argsArgArrayOrObject } from '../util/argsArgArrayOrObject';\nimport { Subscriber } from '../Subscriber';\nimport { from } from './from';\nimport { identity } from '../util/identity';\nimport { Subscription } from '../Subscription';\nimport { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';\nimport { popResultSelector, popScheduler } from '../util/args';\nimport { createObject } from '../util/createObject';\nimport { createOperatorSubscriber } from '../operators/OperatorSubscriber';\nimport { AnyCatcher } from '../AnyCatcher';\nimport { executeSchedule } from '../util/executeSchedule';\n\n// combineLatest(any)\n// We put this first because we need to catch cases where the user has supplied\n// _exactly `any`_ as the argument. Since `any` literally matches _anything_,\n// we don't want it to randomly hit one of the other type signatures below,\n// as we have no idea at build-time what type we should be returning when given an any.\n\n/**\n * You have passed `any` here, we can't figure out if it is\n * an array or an object, so you're getting `unknown`. Use better types.\n * @param arg Something typed as `any`\n */\nexport function combineLatest<T extends AnyCatcher>(arg: T): Observable<unknown>;\n\n// combineLatest([a, b, c])\nexport function combineLatest(sources: []): Observable<never>;\nexport function combineLatest<A extends readonly unknown[]>(sources: readonly [...ObservableInputTuple<A>]): Observable<A>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `combineLatestAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function combineLatest<A extends readonly unknown[], R>(\n  sources: readonly [...ObservableInputTuple<A>],\n  resultSelector: (...values: A) => R,\n  scheduler: SchedulerLike\n): Observable<R>;\nexport function combineLatest<A extends readonly unknown[], R>(\n  sources: readonly [...ObservableInputTuple<A>],\n  resultSelector: (...values: A) => R\n): Observable<R>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `combineLatestAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function combineLatest<A extends readonly unknown[]>(\n  sources: readonly [...ObservableInputTuple<A>],\n  scheduler: SchedulerLike\n): Observable<A>;\n\n// combineLatest(a, b, c)\n/** @deprecated Pass an array of sources instead. The rest-parameters signature will be removed in v8. Details: https://rxjs.dev/deprecations/array-argument */\nexport function combineLatest<A extends readonly unknown[]>(...sources: [...ObservableInputTuple<A>]): Observable<A>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `combineLatestAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function combineLatest<A extends readonly unknown[], R>(\n  ...sourcesAndResultSelectorAndScheduler: [...ObservableInputTuple<A>, (...values: A) => R, SchedulerLike]\n): Observable<R>;\n/** @deprecated Pass an array of sources instead. The rest-parameters signature will be removed in v8. Details: https://rxjs.dev/deprecations/array-argument */\nexport function combineLatest<A extends readonly unknown[], R>(\n  ...sourcesAndResultSelector: [...ObservableInputTuple<A>, (...values: A) => R]\n): Observable<R>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `combineLatestAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function combineLatest<A extends readonly unknown[]>(\n  ...sourcesAndScheduler: [...ObservableInputTuple<A>, SchedulerLike]\n): Observable<A>;\n\n// combineLatest({a, b, c})\nexport function combineLatest(sourcesObject: { [K in any]: never }): Observable<never>;\nexport function combineLatest<T extends Record<string, ObservableInput<any>>>(\n  sourcesObject: T\n): Observable<{ [K in keyof T]: ObservedValueOf<T[K]> }>;\n\n/**\n * Combines multiple Observables to create an Observable whose values are\n * calculated from the latest values of each of its input Observables.\n *\n * <span class=\"informal\">Whenever any input Observable emits a value, it\n * computes a formula using the latest values from all the inputs, then emits\n * the output of that formula.</span>\n *\n * ![](combineLatest.png)\n *\n * `combineLatest` combines the values from all the Observables passed in the\n * observables array. This is done by subscribing to each Observable in order and,\n * whenever any Observable emits, collecting an array of the most recent\n * values from each Observable. So if you pass `n` Observables to this operator,\n * the returned Observable will always emit an array of `n` values, in an order\n * corresponding to the order of the passed Observables (the value from the first Observable\n * will be at index 0 of the array and so on).\n *\n * Static version of `combineLatest` accepts an array of Observables. Note that an array of\n * Observables is a good choice, if you don't know beforehand how many Observables\n * you will combine. Passing an empty array will result in an Observable that\n * completes immediately.\n *\n * To ensure the output array always has the same length, `combineLatest` will\n * actually wait for all input Observables to emit at least once,\n * before it starts emitting results. This means if some Observable emits\n * values before other Observables started emitting, all these values but the last\n * will be lost. On the other hand, if some Observable does not emit a value but\n * completes, resulting Observable will complete at the same moment without\n * emitting anything, since it will now be impossible to include a value from the\n * completed Observable in the resulting array. Also, if some input Observable does\n * not emit any value and never completes, `combineLatest` will also never emit\n * and never complete, since, again, it will wait for all streams to emit some\n * value.\n *\n * If at least one Observable was passed to `combineLatest` and all passed Observables\n * emitted something, the resulting Observable will complete when all combined\n * streams complete. So even if some Observable completes, the result of\n * `combineLatest` will still emit values when other Observables do. In case\n * of a completed Observable, its value from now on will always be the last\n * emitted value. On the other hand, if any Observable errors, `combineLatest`\n * will error immediately as well, and all other Observables will be unsubscribed.\n *\n * ## Examples\n *\n * Combine two timer Observables\n *\n * ```ts\n * import { timer, combineLatest } from 'rxjs';\n *\n * const firstTimer = timer(0, 1000); // emit 0, 1, 2... after every second, starting from now\n * const secondTimer = timer(500, 1000); // emit 0, 1, 2... after every second, starting 0,5s from now\n * const combinedTimers = combineLatest([firstTimer, secondTimer]);\n * combinedTimers.subscribe(value => console.log(value));\n * // Logs\n * // [0, 0] after 0.5s\n * // [1, 0] after 1s\n * // [1, 1] after 1.5s\n * // [2, 1] after 2s\n * ```\n *\n * Combine a dictionary of Observables\n *\n * ```ts\n * import { of, delay, startWith, combineLatest } from 'rxjs';\n *\n * const observables = {\n *   a: of(1).pipe(delay(1000), startWith(0)),\n *   b: of(5).pipe(delay(5000), startWith(0)),\n *   c: of(10).pipe(delay(10000), startWith(0))\n * };\n * const combined = combineLatest(observables);\n * combined.subscribe(value => console.log(value));\n * // Logs\n * // { a: 0, b: 0, c: 0 } immediately\n * // { a: 1, b: 0, c: 0 } after 1s\n * // { a: 1, b: 5, c: 0 } after 5s\n * // { a: 1, b: 5, c: 10 } after 10s\n * ```\n *\n * Combine an array of Observables\n *\n * ```ts\n * import { of, delay, startWith, combineLatest } from 'rxjs';\n *\n * const observables = [1, 5, 10].map(\n *   n => of(n).pipe(\n *     delay(n * 1000), // emit 0 and then emit n after n seconds\n *     startWith(0)\n *   )\n * );\n * const combined = combineLatest(observables);\n * combined.subscribe(value => console.log(value));\n * // Logs\n * // [0, 0, 0] immediately\n * // [1, 0, 0] after 1s\n * // [1, 5, 0] after 5s\n * // [1, 5, 10] after 10s\n * ```\n *\n * Use map operator to dynamically calculate the Body-Mass Index\n *\n * ```ts\n * import { of, combineLatest, map } from 'rxjs';\n *\n * const weight = of(70, 72, 76, 79, 75);\n * const height = of(1.76, 1.77, 1.78);\n * const bmi = combineLatest([weight, height]).pipe(\n *   map(([w, h]) => w / (h * h)),\n * );\n * bmi.subscribe(x => console.log('BMI is ' + x));\n *\n * // With output to console:\n * // BMI is 24.212293388429753\n * // BMI is 23.93948099205209\n * // BMI is 23.671253629592222\n * ```\n *\n * @see {@link combineLatestAll}\n * @see {@link merge}\n * @see {@link withLatestFrom}\n *\n * @param args Any number of `ObservableInput`s provided either as an array or as an object\n * to combine with each other. If the last parameter is the function, it will be used to project the\n * values from the combined latest values into a new value on the output Observable.\n * @return An Observable of projected values from the most recent values from each `ObservableInput`,\n * or an array of the most recent values from each `ObservableInput`.\n */\nexport function combineLatest<O extends ObservableInput<any>, R>(...args: any[]): Observable<R> | Observable<ObservedValueOf<O>[]> {\n  const scheduler = popScheduler(args);\n  const resultSelector = popResultSelector(args);\n\n  const { args: observables, keys } = argsArgArrayOrObject(args);\n\n  if (observables.length === 0) {\n    // If no observables are passed, or someone has passed an empty array\n    // of observables, or even an empty object POJO, we need to just\n    // complete (EMPTY), but we have to honor the scheduler provided if any.\n    return from([], scheduler as any);\n  }\n\n  const result = new Observable<ObservedValueOf<O>[]>(\n    combineLatestInit(\n      observables as ObservableInput<ObservedValueOf<O>>[],\n      scheduler,\n      keys\n        ? // A handler for scrubbing the array of args into a dictionary.\n          (values) => createObject(keys, values)\n        : // A passthrough to just return the array\n          identity\n    )\n  );\n\n  return resultSelector ? (result.pipe(mapOneOrManyArgs(resultSelector)) as Observable<R>) : result;\n}\n\nexport function combineLatestInit(\n  observables: ObservableInput<any>[],\n  scheduler?: SchedulerLike,\n  valueTransform: (values: any[]) => any = identity\n) {\n  return (subscriber: Subscriber<any>) => {\n    // The outer subscription. We're capturing this in a function\n    // because we may have to schedule it.\n    maybeSchedule(\n      scheduler,\n      () => {\n        const { length } = observables;\n        // A store for the values each observable has emitted so far. We match observable to value on index.\n        const values = new Array(length);\n        // The number of currently active subscriptions, as they complete, we decrement this number to see if\n        // we are all done combining values, so we can complete the result.\n        let active = length;\n        // The number of inner sources that still haven't emitted the first value\n        // We need to track this because all sources need to emit one value in order\n        // to start emitting values.\n        let remainingFirstValues = length;\n        // The loop to kick off subscription. We're keying everything on index `i` to relate the observables passed\n        // in to the slot in the output array or the key in the array of keys in the output dictionary.\n        for (let i = 0; i < length; i++) {\n          maybeSchedule(\n            scheduler,\n            () => {\n              const source = from(observables[i], scheduler as any);\n              let hasFirstValue = false;\n              source.subscribe(\n                createOperatorSubscriber(\n                  subscriber,\n                  (value) => {\n                    // When we get a value, record it in our set of values.\n                    values[i] = value;\n                    if (!hasFirstValue) {\n                      // If this is our first value, record that.\n                      hasFirstValue = true;\n                      remainingFirstValues--;\n                    }\n                    if (!remainingFirstValues) {\n                      // We're not waiting for any more\n                      // first values, so we can emit!\n                      subscriber.next(valueTransform(values.slice()));\n                    }\n                  },\n                  () => {\n                    if (!--active) {\n                      // We only complete the result if we have no more active\n                      // inner observables.\n                      subscriber.complete();\n                    }\n                  }\n                )\n              );\n            },\n            subscriber\n          );\n        }\n      },\n      subscriber\n    );\n  };\n}\n\n/**\n * A small utility to handle the couple of locations where we want to schedule if a scheduler was provided,\n * but we don't if there was no scheduler.\n */\nfunction maybeSchedule(scheduler: SchedulerLike | undefined, execute: () => void, subscription: Subscription) {\n  if (scheduler) {\n    executeSchedule(subscription, scheduler, execute);\n  } else {\n    execute();\n  }\n}\n", "import { Observable } from '../Observable';\nimport { innerFrom } from '../observable/innerFrom';\nimport { Subscriber } from '../Subscriber';\nimport { ObservableInput, SchedulerLike } from '../types';\nimport { executeSchedule } from '../util/executeSchedule';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * A process embodying the general \"merge\" strategy. This is used in\n * `mergeMap` and `mergeScan` because the logic is otherwise nearly identical.\n * @param source The original source observable\n * @param subscriber The consumer subscriber\n * @param project The projection function to get our inner sources\n * @param concurrent The number of concurrent inner subscriptions\n * @param onBeforeNext Additional logic to apply before nexting to our consumer\n * @param expand If `true` this will perform an \"expand\" strategy, which differs only\n * in that it recurses, and the inner subscription must be schedule-able.\n * @param innerSubScheduler A scheduler to use to schedule inner subscriptions,\n * this is to support the expand strategy, mostly, and should be deprecated\n */\nexport function mergeInternals<T, R>(\n  source: Observable<T>,\n  subscriber: Subscriber<R>,\n  project: (value: T, index: number) => ObservableInput<R>,\n  concurrent: number,\n  onBeforeNext?: (innerValue: R) => void,\n  expand?: boolean,\n  innerSubScheduler?: SchedulerLike,\n  additionalFinalizer?: () => void\n) {\n  // Buffered values, in the event of going over our concurrency limit\n  const buffer: T[] = [];\n  // The number of active inner subscriptions.\n  let active = 0;\n  // An index to pass to our accumulator function\n  let index = 0;\n  // Whether or not the outer source has completed.\n  let isComplete = false;\n\n  /**\n   * Checks to see if we can complete our result or not.\n   */\n  const checkComplete = () => {\n    // If the outer has completed, and nothing is left in the buffer,\n    // and we don't have any active inner subscriptions, then we can\n    // Emit the state and complete.\n    if (isComplete && !buffer.length && !active) {\n      subscriber.complete();\n    }\n  };\n\n  // If we're under our concurrency limit, just start the inner subscription, otherwise buffer and wait.\n  const outerNext = (value: T) => (active < concurrent ? doInnerSub(value) : buffer.push(value));\n\n  const doInnerSub = (value: T) => {\n    // If we're expanding, we need to emit the outer values and the inner values\n    // as the inners will \"become outers\" in a way as they are recursively fed\n    // back to the projection mechanism.\n    expand && subscriber.next(value as any);\n\n    // Increment the number of active subscriptions so we can track it\n    // against our concurrency limit later.\n    active++;\n\n    // A flag used to show that the inner observable completed.\n    // This is checked during finalization to see if we should\n    // move to the next item in the buffer, if there is on.\n    let innerComplete = false;\n\n    // Start our inner subscription.\n    innerFrom(project(value, index++)).subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (innerValue) => {\n          // `mergeScan` has additional handling here. For example\n          // taking the inner value and updating state.\n          onBeforeNext?.(innerValue);\n\n          if (expand) {\n            // If we're expanding, then just recurse back to our outer\n            // handler. It will emit the value first thing.\n            outerNext(innerValue as any);\n          } else {\n            // Otherwise, emit the inner value.\n            subscriber.next(innerValue);\n          }\n        },\n        () => {\n          // Flag that we have completed, so we know to check the buffer\n          // during finalization.\n          innerComplete = true;\n        },\n        // Errors are passed to the destination.\n        undefined,\n        () => {\n          // During finalization, if the inner completed (it wasn't errored or\n          // cancelled), then we want to try the next item in the buffer if\n          // there is one.\n          if (innerComplete) {\n            // We have to wrap this in a try/catch because it happens during\n            // finalization, possibly asynchronously, and we want to pass\n            // any errors that happen (like in a projection function) to\n            // the outer Subscriber.\n            try {\n              // INNER SOURCE COMPLETE\n              // Decrement the active count to ensure that the next time\n              // we try to call `doInnerSub`, the number is accurate.\n              active--;\n              // If we have more values in the buffer, try to process those\n              // Note that this call will increment `active` ahead of the\n              // next conditional, if there were any more inner subscriptions\n              // to start.\n              while (buffer.length && active < concurrent) {\n                const bufferedValue = buffer.shift()!;\n                // Particularly for `expand`, we need to check to see if a scheduler was provided\n                // for when we want to start our inner subscription. Otherwise, we just start\n                // are next inner subscription.\n                if (innerSubScheduler) {\n                  executeSchedule(subscriber, innerSubScheduler, () => doInnerSub(bufferedValue));\n                } else {\n                  doInnerSub(bufferedValue);\n                }\n              }\n              // Check to see if we can complete, and complete if so.\n              checkComplete();\n            } catch (err) {\n              subscriber.error(err);\n            }\n          }\n        }\n      )\n    );\n  };\n\n  // Subscribe to our source observable.\n  source.subscribe(\n    createOperatorSubscriber(subscriber, outerNext, () => {\n      // Outer completed, make a note of it, and check to see if we can complete everything.\n      isComplete = true;\n      checkComplete();\n    })\n  );\n\n  // Additional finalization (for when the destination is torn down).\n  // Other finalization is added implicitly via subscription above.\n  return () => {\n    additionalFinalizer?.();\n  };\n}\n", "import { ObservableInput, OperatorFunction, ObservedValueOf } from '../types';\nimport { map } from './map';\nimport { innerFrom } from '../observable/innerFrom';\nimport { operate } from '../util/lift';\nimport { mergeInternals } from './mergeInternals';\nimport { isFunction } from '../util/isFunction';\n\n/* tslint:disable:max-line-length */\nexport function mergeMap<T, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  concurrent?: number\n): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated The `resultSelector` parameter will be removed in v8. Use an inner `map` instead. Details: https://rxjs.dev/deprecations/resultSelector */\nexport function mergeMap<T, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector: undefined,\n  concurrent?: number\n): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated The `resultSelector` parameter will be removed in v8. Use an inner `map` instead. Details: https://rxjs.dev/deprecations/resultSelector */\nexport function mergeMap<T, R, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R,\n  concurrent?: number\n): OperatorFunction<T, R>;\n/* tslint:enable:max-line-length */\n\n/**\n * Projects each source value to an Observable which is merged in the output\n * Observable.\n *\n * <span class=\"informal\">Maps each value to an Observable, then flattens all of\n * these inner Observables using {@link mergeAll}.</span>\n *\n * ![](mergeMap.png)\n *\n * Returns an Observable that emits items based on applying a function that you\n * supply to each item emitted by the source Observable, where that function\n * returns an Observable, and then merging those resulting Observables and\n * emitting the results of this merger.\n *\n * ## Example\n *\n * Map and flatten each letter to an Observable ticking every 1 second\n *\n * ```ts\n * import { of, mergeMap, interval, map } from 'rxjs';\n *\n * const letters = of('a', 'b', 'c');\n * const result = letters.pipe(\n *   mergeMap(x => interval(1000).pipe(map(i => x + i)))\n * );\n *\n * result.subscribe(x => console.log(x));\n *\n * // Results in the following:\n * // a0\n * // b0\n * // c0\n * // a1\n * // b1\n * // c1\n * // continues to list a, b, c every second with respective ascending integers\n * ```\n *\n * @see {@link concatMap}\n * @see {@link exhaustMap}\n * @see {@link merge}\n * @see {@link mergeAll}\n * @see {@link mergeMapTo}\n * @see {@link mergeScan}\n * @see {@link switchMap}\n *\n * @param project A function that, when applied to an item emitted by the source\n * Observable, returns an Observable.\n * @param concurrent Maximum number of `ObservableInput`s being subscribed to concurrently.\n * @return A function that returns an Observable that emits the result of\n * applying the projection function (and the optional deprecated\n * `resultSelector`) to each item emitted by the source Observable and merging\n * the results of the Observables obtained from this transformation.\n */\nexport function mergeMap<T, R, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector?: ((outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R) | number,\n  concurrent: number = Infinity\n): OperatorFunction<T, ObservedValueOf<O> | R> {\n  if (isFunction(resultSelector)) {\n    // DEPRECATED PATH\n    return mergeMap((a, i) => map((b: any, ii: number) => resultSelector(a, b, i, ii))(innerFrom(project(a, i))), concurrent);\n  } else if (typeof resultSelector === 'number') {\n    concurrent = resultSelector;\n  }\n\n  return operate((source, subscriber) => mergeInternals(source, subscriber, project, concurrent));\n}\n", "import { mergeMap } from './mergeMap';\nimport { identity } from '../util/identity';\nimport { OperatorFunction, ObservableInput, ObservedValueOf } from '../types';\n\n/**\n * Converts a higher-order Observable into a first-order Observable which\n * concurrently delivers all values that are emitted on the inner Observables.\n *\n * <span class=\"informal\">Flattens an Observable-of-Observables.</span>\n *\n * ![](mergeAll.png)\n *\n * `mergeAll` subscribes to an Observable that emits Observables, also known as\n * a higher-order Observable. Each time it observes one of these emitted inner\n * Observables, it subscribes to that and delivers all the values from the\n * inner Observable on the output Observable. The output Observable only\n * completes once all inner Observables have completed. Any error delivered by\n * a inner Observable will be immediately emitted on the output Observable.\n *\n * ## Examples\n *\n * Spawn a new interval Observable for each click event, and blend their outputs as one Observable\n *\n * ```ts\n * import { fromEvent, map, interval, mergeAll } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const higherOrder = clicks.pipe(map(() => interval(1000)));\n * const firstOrder = higherOrder.pipe(mergeAll());\n *\n * firstOrder.subscribe(x => console.log(x));\n * ```\n *\n * Count from 0 to 9 every second for each click, but only allow 2 concurrent timers\n *\n * ```ts\n * import { fromEvent, map, interval, take, mergeAll } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const higherOrder = clicks.pipe(\n *   map(() => interval(1000).pipe(take(10)))\n * );\n * const firstOrder = higherOrder.pipe(mergeAll(2));\n *\n * firstOrder.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link combineLatestAll}\n * @see {@link concatAll}\n * @see {@link exhaustAll}\n * @see {@link merge}\n * @see {@link mergeMap}\n * @see {@link mergeMapTo}\n * @see {@link mergeScan}\n * @see {@link switchAll}\n * @see {@link switchMap}\n * @see {@link zipAll}\n *\n * @param concurrent Maximum number of inner Observables being subscribed to\n * concurrently.\n * @return A function that returns an Observable that emits values coming from\n * all the inner Observables emitted by the source Observable.\n */\nexport function mergeAll<O extends ObservableInput<any>>(concurrent: number = Infinity): OperatorFunction<O, ObservedValueOf<O>> {\n  return mergeMap(identity, concurrent);\n}\n", "import { mergeAll } from './mergeAll';\nimport { OperatorFunction, ObservableInput, ObservedValueOf } from '../types';\n\n/**\n * Converts a higher-order Observable into a first-order Observable by\n * concatenating the inner Observables in order.\n *\n * <span class=\"informal\">Flattens an Observable-of-Observables by putting one\n * inner Observable after the other.</span>\n *\n * ![](concatAll.svg)\n *\n * Joins every Observable emitted by the source (a higher-order Observable), in\n * a serial fashion. It subscribes to each inner Observable only after the\n * previous inner Observable has completed, and merges all of their values into\n * the returned observable.\n *\n * __Warning:__ If the source Observable emits Observables quickly and\n * endlessly, and the inner Observables it emits generally complete slower than\n * the source emits, you can run into memory issues as the incoming Observables\n * collect in an unbounded buffer.\n *\n * Note: `concatAll` is equivalent to `mergeAll` with concurrency parameter set\n * to `1`.\n *\n * ## Example\n *\n * For each click event, tick every second from 0 to 3, with no concurrency\n *\n * ```ts\n * import { fromEvent, map, interval, take, concatAll } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const higherOrder = clicks.pipe(\n *   map(() => interval(1000).pipe(take(4)))\n * );\n * const firstOrder = higherOrder.pipe(concatAll());\n * firstOrder.subscribe(x => console.log(x));\n *\n * // Results in the following:\n * // (results are not concurrent)\n * // For every click on the \"document\" it will emit values 0 to 3 spaced\n * // on a 1000ms interval\n * // one click = 1000ms-> 0 -1000ms-> 1 -1000ms-> 2 -1000ms-> 3\n * ```\n *\n * @see {@link combineLatestAll}\n * @see {@link concat}\n * @see {@link concatMap}\n * @see {@link concatMapTo}\n * @see {@link exhaustAll}\n * @see {@link mergeAll}\n * @see {@link switchAll}\n * @see {@link switchMap}\n * @see {@link zipAll}\n *\n * @return A function that returns an Observable emitting values from all the\n * inner Observables concatenated.\n */\nexport function concatAll<O extends ObservableInput<any>>(): OperatorFunction<O, ObservedValueOf<O>> {\n  return mergeAll(1);\n}\n", "import { Observable } from '../Observable';\nimport { ObservableInputTuple, SchedulerLike } from '../types';\nimport { concatAll } from '../operators/concatAll';\nimport { popScheduler } from '../util/args';\nimport { from } from './from';\n\nexport function concat<T extends readonly unknown[]>(...inputs: [...ObservableInputTuple<T>]): Observable<T[number]>;\nexport function concat<T extends readonly unknown[]>(\n  ...inputsAndScheduler: [...ObservableInputTuple<T>, SchedulerLike]\n): Observable<T[number]>;\n\n/**\n * Creates an output Observable which sequentially emits all values from the first given\n * Observable and then moves on to the next.\n *\n * <span class=\"informal\">Concatenates multiple Observables together by\n * sequentially emitting their values, one Observable after the other.</span>\n *\n * ![](concat.png)\n *\n * `concat` joins multiple Observables together, by subscribing to them one at a time and\n * merging their results into the output Observable. You can pass either an array of\n * Observables, or put them directly as arguments. Passing an empty array will result\n * in Observable that completes immediately.\n *\n * `concat` will subscribe to first input Observable and emit all its values, without\n * changing or affecting them in any way. When that Observable completes, it will\n * subscribe to then next Observable passed and, again, emit its values. This will be\n * repeated, until the operator runs out of Observables. When last input Observable completes,\n * `concat` will complete as well. At any given moment only one Observable passed to operator\n * emits values. If you would like to emit values from passed Observables concurrently, check out\n * {@link merge} instead, especially with optional `concurrent` parameter. As a matter of fact,\n * `concat` is an equivalent of `merge` operator with `concurrent` parameter set to `1`.\n *\n * Note that if some input Observable never completes, `concat` will also never complete\n * and Observables following the one that did not complete will never be subscribed. On the other\n * hand, if some Observable simply completes immediately after it is subscribed, it will be\n * invisible for `concat`, which will just move on to the next Observable.\n *\n * If any Observable in chain errors, instead of passing control to the next Observable,\n * `concat` will error immediately as well. Observables that would be subscribed after\n * the one that emitted error, never will.\n *\n * If you pass to `concat` the same Observable many times, its stream of values\n * will be \"replayed\" on every subscription, which means you can repeat given Observable\n * as many times as you like. If passing the same Observable to `concat` 1000 times becomes tedious,\n * you can always use {@link repeat}.\n *\n * ## Examples\n *\n * Concatenate a timer counting from 0 to 3 with a synchronous sequence from 1 to 10\n *\n * ```ts\n * import { interval, take, range, concat } from 'rxjs';\n *\n * const timer = interval(1000).pipe(take(4));\n * const sequence = range(1, 10);\n * const result = concat(timer, sequence);\n * result.subscribe(x => console.log(x));\n *\n * // results in:\n * // 0 -1000ms-> 1 -1000ms-> 2 -1000ms-> 3 -immediate-> 1 ... 10\n * ```\n *\n * Concatenate 3 Observables\n *\n * ```ts\n * import { interval, take, concat } from 'rxjs';\n *\n * const timer1 = interval(1000).pipe(take(10));\n * const timer2 = interval(2000).pipe(take(6));\n * const timer3 = interval(500).pipe(take(10));\n *\n * const result = concat(timer1, timer2, timer3);\n * result.subscribe(x => console.log(x));\n *\n * // results in the following:\n * // (Prints to console sequentially)\n * // -1000ms-> 0 -1000ms-> 1 -1000ms-> ... 9\n * // -2000ms-> 0 -2000ms-> 1 -2000ms-> ... 5\n * // -500ms-> 0 -500ms-> 1 -500ms-> ... 9\n * ```\n *\n * Concatenate the same Observable to repeat it\n *\n * ```ts\n * import { interval, take, concat } from 'rxjs';\n *\n * const timer = interval(1000).pipe(take(2));\n *\n * concat(timer, timer) // concatenating the same Observable!\n *   .subscribe({\n *     next: value => console.log(value),\n *     complete: () => console.log('...and it is done!')\n *   });\n *\n * // Logs:\n * // 0 after 1s\n * // 1 after 2s\n * // 0 after 3s\n * // 1 after 4s\n * // '...and it is done!' also after 4s\n * ```\n *\n * @see {@link concatAll}\n * @see {@link concatMap}\n * @see {@link concatMapTo}\n * @see {@link startWith}\n * @see {@link endWith}\n *\n * @param args `ObservableInput`s to concatenate.\n */\nexport function concat(...args: any[]): Observable<unknown> {\n  return concatAll()(from(args, popScheduler(args)));\n}\n", "import { Observable } from '../Observable';\nimport { ObservedValueOf, ObservableInput } from '../types';\nimport { innerFrom } from './innerFrom';\n\n/**\n * Creates an Observable that, on subscribe, calls an Observable factory to\n * make an Observable for each new Observer.\n *\n * <span class=\"informal\">Creates the Observable lazily, that is, only when it\n * is subscribed.\n * </span>\n *\n * ![](defer.png)\n *\n * `defer` allows you to create an Observable only when the Observer\n * subscribes. It waits until an Observer subscribes to it, calls the given\n * factory function to get an Observable -- where a factory function typically\n * generates a new Observable -- and subscribes the Observer to this Observable.\n * In case the factory function returns a falsy value, then EMPTY is used as\n * Observable instead. Last but not least, an exception during the factory\n * function call is transferred to the Observer by calling `error`.\n *\n * ## Example\n *\n * Subscribe to either an Observable of clicks or an Observable of interval, at random\n *\n * ```ts\n * import { defer, fromEvent, interval } from 'rxjs';\n *\n * const clicksOrInterval = defer(() => {\n *   return Math.random() > 0.5\n *     ? fromEvent(document, 'click')\n *     : interval(1000);\n * });\n * clicksOrInterval.subscribe(x => console.log(x));\n *\n * // Results in the following behavior:\n * // If the result of Math.random() is greater than 0.5 it will listen\n * // for clicks anywhere on the \"document\"; when document is clicked it\n * // will log a MouseEvent object to the console. If the result is less\n * // than 0.5 it will emit ascending numbers, one every second(1000ms).\n * ```\n *\n * @see {@link Observable}\n *\n * @param observableFactory The Observable factory function to invoke for each\n * Observer that subscribes to the output Observable. May also return any\n * `ObservableInput`, which will be converted on the fly to an Observable.\n * @return An Observable whose Observers' subscriptions trigger an invocation of the\n * given Observable factory function.\n */\nexport function defer<R extends ObservableInput<any>>(observableFactory: () => R): Observable<ObservedValueOf<R>> {\n  return new Observable<ObservedValueOf<R>>((subscriber) => {\n    innerFrom(observableFactory()).subscribe(subscriber);\n  });\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { Observable } from '../Observable';\nimport { mergeMap } from '../operators/mergeMap';\nimport { isArrayLike } from '../util/isArrayLike';\nimport { isFunction } from '../util/isFunction';\nimport { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';\n\n// These constants are used to create handler registry functions using array mapping below.\nconst nodeEventEmitterMethods = ['addListener', 'removeListener'] as const;\nconst eventTargetMethods = ['addEventListener', 'removeEventListener'] as const;\nconst jqueryMethods = ['on', 'off'] as const;\n\nexport interface NodeStyleEventEmitter {\n  addListener(eventName: string | symbol, handler: NodeEventHandler): this;\n  removeListener(eventName: string | symbol, handler: NodeEventHandler): this;\n}\n\nexport type NodeEventHandler = (...args: any[]) => void;\n\n// For APIs that implement `addListener` and `removeListener` methods that may\n// not use the same arguments or return EventEmitter values\n// such as React Native\nexport interface NodeCompatibleEventEmitter {\n  addListener(eventName: string, handler: NodeEventHandler): void | {};\n  removeListener(eventName: string, handler: NodeEventHandler): void | {};\n}\n\n// Use handler types like those in @types/jquery. See:\n// https://github.com/DefinitelyTyped/DefinitelyTyped/blob/847731ba1d7fa6db6b911c0e43aa0afe596e7723/types/jquery/misc.d.ts#L6395\nexport interface JQueryStyleEventEmitter<TContext, T> {\n  on(eventName: string, handler: (this: TContext, t: T, ...args: any[]) => any): void;\n  off(eventName: string, handler: (this: TContext, t: T, ...args: any[]) => any): void;\n}\n\nexport interface EventListenerObject<E> {\n  handleEvent(evt: E): void;\n}\n\nexport interface HasEventTargetAddRemove<E> {\n  addEventListener(\n    type: string,\n    listener: ((evt: E) => void) | EventListenerObject<E> | null,\n    options?: boolean | AddEventListenerOptions\n  ): void;\n  removeEventListener(\n    type: string,\n    listener: ((evt: E) => void) | EventListenerObject<E> | null,\n    options?: EventListenerOptions | boolean\n  ): void;\n}\n\nexport interface EventListenerOptions {\n  capture?: boolean;\n  passive?: boolean;\n  once?: boolean;\n}\n\nexport interface AddEventListenerOptions extends EventListenerOptions {\n  once?: boolean;\n  passive?: boolean;\n}\n\nexport function fromEvent<T>(target: HasEventTargetAddRemove<T> | ArrayLike<HasEventTargetAddRemove<T>>, eventName: string): Observable<T>;\nexport function fromEvent<T, R>(\n  target: HasEventTargetAddRemove<T> | ArrayLike<HasEventTargetAddRemove<T>>,\n  eventName: string,\n  resultSelector: (event: T) => R\n): Observable<R>;\nexport function fromEvent<T>(\n  target: HasEventTargetAddRemove<T> | ArrayLike<HasEventTargetAddRemove<T>>,\n  eventName: string,\n  options: EventListenerOptions\n): Observable<T>;\nexport function fromEvent<T, R>(\n  target: HasEventTargetAddRemove<T> | ArrayLike<HasEventTargetAddRemove<T>>,\n  eventName: string,\n  options: EventListenerOptions,\n  resultSelector: (event: T) => R\n): Observable<R>;\n\nexport function fromEvent(target: NodeStyleEventEmitter | ArrayLike<NodeStyleEventEmitter>, eventName: string): Observable<unknown>;\n/** @deprecated Do not specify explicit type parameters. Signatures with type parameters that cannot be inferred will be removed in v8. */\nexport function fromEvent<T>(target: NodeStyleEventEmitter | ArrayLike<NodeStyleEventEmitter>, eventName: string): Observable<T>;\nexport function fromEvent<R>(\n  target: NodeStyleEventEmitter | ArrayLike<NodeStyleEventEmitter>,\n  eventName: string,\n  resultSelector: (...args: any[]) => R\n): Observable<R>;\n\nexport function fromEvent(\n  target: NodeCompatibleEventEmitter | ArrayLike<NodeCompatibleEventEmitter>,\n  eventName: string\n): Observable<unknown>;\n/** @deprecated Do not specify explicit type parameters. Signatures with type parameters that cannot be inferred will be removed in v8. */\nexport function fromEvent<T>(target: NodeCompatibleEventEmitter | ArrayLike<NodeCompatibleEventEmitter>, eventName: string): Observable<T>;\nexport function fromEvent<R>(\n  target: NodeCompatibleEventEmitter | ArrayLike<NodeCompatibleEventEmitter>,\n  eventName: string,\n  resultSelector: (...args: any[]) => R\n): Observable<R>;\n\nexport function fromEvent<T>(\n  target: JQueryStyleEventEmitter<any, T> | ArrayLike<JQueryStyleEventEmitter<any, T>>,\n  eventName: string\n): Observable<T>;\nexport function fromEvent<T, R>(\n  target: JQueryStyleEventEmitter<any, T> | ArrayLike<JQueryStyleEventEmitter<any, T>>,\n  eventName: string,\n  resultSelector: (value: T, ...args: any[]) => R\n): Observable<R>;\n\n/**\n * Creates an Observable that emits events of a specific type coming from the\n * given event target.\n *\n * <span class=\"informal\">Creates an Observable from DOM events, or Node.js\n * EventEmitter events or others.</span>\n *\n * ![](fromEvent.png)\n *\n * `fromEvent` accepts as a first argument event target, which is an object with methods\n * for registering event handler functions. As a second argument it takes string that indicates\n * type of event we want to listen for. `fromEvent` supports selected types of event targets,\n * which are described in detail below. If your event target does not match any of the ones listed,\n * you should use {@link fromEventPattern}, which can be used on arbitrary APIs.\n * When it comes to APIs supported by `fromEvent`, their methods for adding and removing event\n * handler functions have different names, but they all accept a string describing event type\n * and function itself, which will be called whenever said event happens.\n *\n * Every time resulting Observable is subscribed, event handler function will be registered\n * to event target on given event type. When that event fires, value\n * passed as a first argument to registered function will be emitted by output Observable.\n * When Observable is unsubscribed, function will be unregistered from event target.\n *\n * Note that if event target calls registered function with more than one argument, second\n * and following arguments will not appear in resulting stream. In order to get access to them,\n * you can pass to `fromEvent` optional project function, which will be called with all arguments\n * passed to event handler. Output Observable will then emit value returned by project function,\n * instead of the usual value.\n *\n * Remember that event targets listed below are checked via duck typing. It means that\n * no matter what kind of object you have and no matter what environment you work in,\n * you can safely use `fromEvent` on that object if it exposes described methods (provided\n * of course they behave as was described above). So for example if Node.js library exposes\n * event target which has the same method names as DOM EventTarget, `fromEvent` is still\n * a good choice.\n *\n * If the API you use is more callback then event handler oriented (subscribed\n * callback function fires only once and thus there is no need to manually\n * unregister it), you should use {@link bindCallback} or {@link bindNodeCallback}\n * instead.\n *\n * `fromEvent` supports following types of event targets:\n *\n * **DOM EventTarget**\n *\n * This is an object with `addEventListener` and `removeEventListener` methods.\n *\n * In the browser, `addEventListener` accepts - apart from event type string and event\n * handler function arguments - optional third parameter, which is either an object or boolean,\n * both used for additional configuration how and when passed function will be called. When\n * `fromEvent` is used with event target of that type, you can provide this values\n * as third parameter as well.\n *\n * **Node.js EventEmitter**\n *\n * An object with `addListener` and `removeListener` methods.\n *\n * **JQuery-style event target**\n *\n * An object with `on` and `off` methods\n *\n * **DOM NodeList**\n *\n * List of DOM Nodes, returned for example by `document.querySelectorAll` or `Node.childNodes`.\n *\n * Although this collection is not event target in itself, `fromEvent` will iterate over all Nodes\n * it contains and install event handler function in every of them. When returned Observable\n * is unsubscribed, function will be removed from all Nodes.\n *\n * **DOM HtmlCollection**\n *\n * Just as in case of NodeList it is a collection of DOM nodes. Here as well event handler function is\n * installed and removed in each of elements.\n *\n *\n * ## Examples\n *\n * Emit clicks happening on the DOM document\n *\n * ```ts\n * import { fromEvent } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * clicks.subscribe(x => console.log(x));\n *\n * // Results in:\n * // MouseEvent object logged to console every time a click\n * // occurs on the document.\n * ```\n *\n * Use `addEventListener` with capture option\n *\n * ```ts\n * import { fromEvent } from 'rxjs';\n *\n * const div = document.createElement('div');\n * div.style.cssText = 'width: 200px; height: 200px; background: #09c;';\n * document.body.appendChild(div);\n *\n * // note optional configuration parameter which will be passed to addEventListener\n * const clicksInDocument = fromEvent(document, 'click', { capture: true });\n * const clicksInDiv = fromEvent(div, 'click');\n *\n * clicksInDocument.subscribe(() => console.log('document'));\n * clicksInDiv.subscribe(() => console.log('div'));\n *\n * // By default events bubble UP in DOM tree, so normally\n * // when we would click on div in document\n * // \"div\" would be logged first and then \"document\".\n * // Since we specified optional `capture` option, document\n * // will catch event when it goes DOWN DOM tree, so console\n * // will log \"document\" and then \"div\".\n * ```\n *\n * @see {@link bindCallback}\n * @see {@link bindNodeCallback}\n * @see {@link fromEventPattern}\n *\n * @param target The DOM EventTarget, Node.js EventEmitter, JQuery-like event target,\n * NodeList or HTMLCollection to attach the event handler to.\n * @param eventName The event name of interest, being emitted by the `target`.\n * @param options Options to pass through to the underlying `addListener`,\n * `addEventListener` or `on` functions.\n * @param resultSelector A mapping function used to transform events. It takes the\n * arguments from the event handler and should return a single value.\n * @return An Observable emitting events registered through `target`'s\n * listener handlers.\n */\nexport function fromEvent<T>(\n  target: any,\n  eventName: string,\n  options?: EventListenerOptions | ((...args: any[]) => T),\n  resultSelector?: (...args: any[]) => T\n): Observable<T> {\n  if (isFunction(options)) {\n    resultSelector = options;\n    options = undefined;\n  }\n  if (resultSelector) {\n    return fromEvent<T>(target, eventName, options as EventListenerOptions).pipe(mapOneOrManyArgs(resultSelector));\n  }\n\n  // Figure out our add and remove methods. In order to do this,\n  // we are going to analyze the target in a preferred order, if\n  // the target matches a given signature, we take the two \"add\" and \"remove\"\n  // method names and apply them to a map to create opposite versions of the\n  // same function. This is because they all operate in duplicate pairs,\n  // `addListener(name, handler)`, `removeListener(name, handler)`, for example.\n  // The call only differs by method name, as to whether or not you're adding or removing.\n  const [add, remove] =\n    // If it is an EventTarget, we need to use a slightly different method than the other two patterns.\n    isEventTarget(target)\n      ? eventTargetMethods.map((methodName) => (handler: any) => target[methodName](eventName, handler, options as EventListenerOptions))\n      : // In all other cases, the call pattern is identical with the exception of the method names.\n      isNodeStyleEventEmitter(target)\n      ? nodeEventEmitterMethods.map(toCommonHandlerRegistry(target, eventName))\n      : isJQueryStyleEventEmitter(target)\n      ? jqueryMethods.map(toCommonHandlerRegistry(target, eventName))\n      : [];\n\n  // If add is falsy, it's because we didn't match a pattern above.\n  // Check to see if it is an ArrayLike, because if it is, we want to\n  // try to apply fromEvent to all of it's items. We do this check last,\n  // because there are may be some types that are both ArrayLike *and* implement\n  // event registry points, and we'd rather delegate to that when possible.\n  if (!add) {\n    if (isArrayLike(target)) {\n      return mergeMap((subTarget: any) => fromEvent(subTarget, eventName, options as EventListenerOptions))(\n        innerFrom(target)\n      ) as Observable<T>;\n    }\n  }\n\n  // If add is falsy and we made it here, it's because we didn't\n  // match any valid target objects above.\n  if (!add) {\n    throw new TypeError('Invalid event target');\n  }\n\n  return new Observable<T>((subscriber) => {\n    // The handler we are going to register. Forwards the event object, by itself, or\n    // an array of arguments to the event handler, if there is more than one argument,\n    // to the consumer.\n    const handler = (...args: any[]) => subscriber.next(1 < args.length ? args : args[0]);\n    // Do the work of adding the handler to the target.\n    add(handler);\n    // When we finalize, we want to remove the handler and free up memory.\n    return () => remove!(handler);\n  });\n}\n\n/**\n * Used to create `add` and `remove` functions to register and unregister event handlers\n * from a target in the most common handler pattern, where there are only two arguments.\n * (e.g.  `on(name, fn)`, `off(name, fn)`, `addListener(name, fn)`, or `removeListener(name, fn)`)\n * @param target The target we're calling methods on\n * @param eventName The event name for the event we're creating register or unregister functions for\n */\nfunction toCommonHandlerRegistry(target: any, eventName: string) {\n  return (methodName: string) => (handler: any) => target[methodName](eventName, handler);\n}\n\n/**\n * Checks to see if the target implements the required node-style EventEmitter methods\n * for adding and removing event handlers.\n * @param target the object to check\n */\nfunction isNodeStyleEventEmitter(target: any): target is NodeStyleEventEmitter {\n  return isFunction(target.addListener) && isFunction(target.removeListener);\n}\n\n/**\n * Checks to see if the target implements the required jQuery-style EventEmitter methods\n * for adding and removing event handlers.\n * @param target the object to check\n */\nfunction isJQueryStyleEventEmitter(target: any): target is JQueryStyleEventEmitter<any, any> {\n  return isFunction(target.on) && isFunction(target.off);\n}\n\n/**\n * Checks to see if the target implements the required EventTarget methods\n * for adding and removing event handlers.\n * @param target the object to check\n */\nfunction isEventTarget(target: any): target is HasEventTargetAddRemove<any> {\n  return isFunction(target.addEventListener) && isFunction(target.removeEventListener);\n}\n", "import { Observable } from '../Observable';\nimport { isFunction } from '../util/isFunction';\nimport { NodeEventHandler } from './fromEvent';\nimport { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';\n\n/* tslint:disable:max-line-length */\nexport function fromEventPattern<T>(\n  addHandler: (handler: NodeEventHandler) => any,\n  removeHandler?: (handler: NodeEventHandler, signal?: any) => void\n): Observable<T>;\nexport function fromEventPattern<T>(\n  addHandler: (handler: NodeEventHandler) => any,\n  removeHandler?: (handler: NodeEventHandler, signal?: any) => void,\n  resultSelector?: (...args: any[]) => T\n): Observable<T>;\n/* tslint:enable:max-line-length */\n\n/**\n * Creates an Observable from an arbitrary API for registering event handlers.\n *\n * <span class=\"informal\">When that method for adding event handler was something {@link fromEvent}\n * was not prepared for.</span>\n *\n * ![](fromEventPattern.png)\n *\n * `fromEventPattern` allows you to convert into an Observable any API that supports registering handler functions\n * for events. It is similar to {@link fromEvent}, but far\n * more flexible. In fact, all use cases of {@link fromEvent} could be easily handled by\n * `fromEventPattern` (although in slightly more verbose way).\n *\n * This operator accepts as a first argument an `addHandler` function, which will be injected with\n * handler parameter. That handler is actually an event handler function that you now can pass\n * to API expecting it. `addHandler` will be called whenever Observable\n * returned by the operator is subscribed, so registering handler in API will not\n * necessarily happen when `fromEventPattern` is called.\n *\n * After registration, every time an event that we listen to happens,\n * Observable returned by `fromEventPattern` will emit value that event handler\n * function was called with. Note that if event handler was called with more\n * than one argument, second and following arguments will not appear in the Observable.\n *\n * If API you are using allows to unregister event handlers as well, you can pass to `fromEventPattern`\n * another function - `removeHandler` - as a second parameter. It will be injected\n * with the same handler function as before, which now you can use to unregister\n * it from the API. `removeHandler` will be called when consumer of resulting Observable\n * unsubscribes from it.\n *\n * In some APIs unregistering is actually handled differently. Method registering an event handler\n * returns some kind of token, which is later used to identify which function should\n * be unregistered or it itself has method that unregisters event handler.\n * If that is the case with your API, make sure token returned\n * by registering method is returned by `addHandler`. Then it will be passed\n * as a second argument to `removeHandler`, where you will be able to use it.\n *\n * If you need access to all event handler parameters (not only the first one),\n * or you need to transform them in any way, you can call `fromEventPattern` with optional\n * third parameter - project function which will accept all arguments passed to\n * event handler when it is called. Whatever is returned from project function will appear on\n * resulting stream instead of usual event handlers first argument. This means\n * that default project can be thought of as function that takes its first parameter\n * and ignores the rest.\n *\n * ## Examples\n *\n * Emits clicks happening on the DOM document\n *\n * ```ts\n * import { fromEventPattern } from 'rxjs';\n *\n * function addClickHandler(handler) {\n *   document.addEventListener('click', handler);\n * }\n *\n * function removeClickHandler(handler) {\n *   document.removeEventListener('click', handler);\n * }\n *\n * const clicks = fromEventPattern(\n *   addClickHandler,\n *   removeClickHandler\n * );\n * clicks.subscribe(x => console.log(x));\n *\n * // Whenever you click anywhere in the browser, DOM MouseEvent\n * // object will be logged.\n * ```\n *\n * Use with API that returns cancellation token\n *\n * ```ts\n * import { fromEventPattern } from 'rxjs';\n *\n * const token = someAPI.registerEventHandler(function() {});\n * someAPI.unregisterEventHandler(token); // this APIs cancellation method accepts\n *                                        // not handler itself, but special token.\n *\n * const someAPIObservable = fromEventPattern(\n *   function(handler) { return someAPI.registerEventHandler(handler); }, // Note that we return the token here...\n *   function(handler, token) { someAPI.unregisterEventHandler(token); }  // ...to then use it here.\n * );\n * ```\n *\n * Use with project function\n *\n * ```ts\n * import { fromEventPattern } from 'rxjs';\n *\n * someAPI.registerEventHandler((eventType, eventMessage) => {\n *   console.log(eventType, eventMessage); // Logs 'EVENT_TYPE' 'EVENT_MESSAGE' to console.\n * });\n *\n * const someAPIObservable = fromEventPattern(\n *   handler => someAPI.registerEventHandler(handler),\n *   handler => someAPI.unregisterEventHandler(handler)\n *   (eventType, eventMessage) => eventType + ' --- ' + eventMessage // without that function only 'EVENT_TYPE'\n * );                                                                // would be emitted by the Observable\n *\n * someAPIObservable.subscribe(value => console.log(value));\n *\n * // Logs:\n * // 'EVENT_TYPE --- EVENT_MESSAGE'\n * ```\n *\n * @see {@link fromEvent}\n * @see {@link bindCallback}\n * @see {@link bindNodeCallback}\n *\n * @param addHandler A function that takes a `handler` function as argument and attaches it\n * somehow to the actual source of events.\n * @param removeHandler A function that takes a `handler` function as an argument and removes\n * it from the event source. If `addHandler` returns some kind of token, `removeHandler` function\n * will have it as a second parameter.\n * @param resultSelector A function to transform results. It takes the arguments from the event\n * handler and should return a single value.\n * @return Observable which, when an event happens, emits first parameter passed to registered\n * event handler. Alternatively it emits whatever project function returns at that moment.\n */\nexport function fromEventPattern<T>(\n  addHandler: (handler: NodeEventHandler) => any,\n  removeHandler?: (handler: NodeEventHandler, signal?: any) => void,\n  resultSelector?: (...args: any[]) => T\n): Observable<T | T[]> {\n  if (resultSelector) {\n    return fromEventPattern<T>(addHandler, removeHandler).pipe(mapOneOrManyArgs(resultSelector));\n  }\n\n  return new Observable<T | T[]>((subscriber) => {\n    const handler = (...e: T[]) => subscriber.next(e.length === 1 ? e[0] : e);\n    const retValue = addHandler(handler);\n    return isFunction(removeHandler) ? () => removeHandler(handler, retValue) : undefined;\n  });\n}\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\nimport { async as asyncScheduler } from '../scheduler/async';\nimport { isScheduler } from '../util/isScheduler';\nimport { isValidDate } from '../util/isDate';\n\n/**\n * Creates an observable that will wait for a specified time period, or exact date, before\n * emitting the number 0.\n *\n * <span class=\"informal\">Used to emit a notification after a delay.</span>\n *\n * This observable is useful for creating delays in code, or racing against other values\n * for ad-hoc timeouts.\n *\n * The `delay` is specified by default in milliseconds, however providing a custom scheduler could\n * create a different behavior.\n *\n * ## Examples\n *\n * Wait 3 seconds and start another observable\n *\n * You might want to use `timer` to delay subscription to an\n * observable by a set amount of time. Here we use a timer with\n * {@link concatMapTo} or {@link concatMap} in order to wait\n * a few seconds and start a subscription to a source.\n *\n * ```ts\n * import { of, timer, concatMap } from 'rxjs';\n *\n * // This could be any observable\n * const source = of(1, 2, 3);\n *\n * timer(3000)\n *   .pipe(concatMap(() => source))\n *   .subscribe(console.log);\n * ```\n *\n * Take all values until the start of the next minute\n *\n * Using a `Date` as the trigger for the first emission, you can\n * do things like wait until midnight to fire an event, or in this case,\n * wait until a new minute starts (chosen so the example wouldn't take\n * too long to run) in order to stop watching a stream. Leveraging\n * {@link takeUntil}.\n *\n * ```ts\n * import { interval, takeUntil, timer } from 'rxjs';\n *\n * // Build a Date object that marks the\n * // next minute.\n * const currentDate = new Date();\n * const startOfNextMinute = new Date(\n *   currentDate.getFullYear(),\n *   currentDate.getMonth(),\n *   currentDate.getDate(),\n *   currentDate.getHours(),\n *   currentDate.getMinutes() + 1\n * );\n *\n * // This could be any observable stream\n * const source = interval(1000);\n *\n * const result = source.pipe(\n *   takeUntil(timer(startOfNextMinute))\n * );\n *\n * result.subscribe(console.log);\n * ```\n *\n * ### Known Limitations\n *\n * - The {@link asyncScheduler} uses `setTimeout` which has limitations for how far in the future it can be scheduled.\n *\n * - If a `scheduler` is provided that returns a timestamp other than an epoch from `now()`, and\n * a `Date` object is passed to the `dueTime` argument, the calculation for when the first emission\n * should occur will be incorrect. In this case, it would be best to do your own calculations\n * ahead of time, and pass a `number` in as the `dueTime`.\n *\n * @param due If a `number`, the amount of time in milliseconds to wait before emitting.\n * If a `Date`, the exact time at which to emit.\n * @param scheduler The scheduler to use to schedule the delay. Defaults to {@link asyncScheduler}.\n */\nexport function timer(due: number | Date, scheduler?: SchedulerLike): Observable<0>;\n\n/**\n * Creates an observable that starts an interval after a specified delay, emitting incrementing numbers -- starting at `0` --\n * on each interval after words.\n *\n * The `delay` and `intervalDuration` are specified by default in milliseconds, however providing a custom scheduler could\n * create a different behavior.\n *\n * ## Example\n *\n * ### Start an interval that starts right away\n *\n * Since {@link interval} waits for the passed delay before starting,\n * sometimes that's not ideal. You may want to start an interval immediately.\n * `timer` works well for this. Here we have both side-by-side so you can\n * see them in comparison.\n *\n * Note that this observable will never complete.\n *\n * ```ts\n * import { timer, interval } from 'rxjs';\n *\n * timer(0, 1000).subscribe(n => console.log('timer', n));\n * interval(1000).subscribe(n => console.log('interval', n));\n * ```\n *\n * ### Known Limitations\n *\n * - The {@link asyncScheduler} uses `setTimeout` which has limitations for how far in the future it can be scheduled.\n *\n * - If a `scheduler` is provided that returns a timestamp other than an epoch from `now()`, and\n * a `Date` object is passed to the `dueTime` argument, the calculation for when the first emission\n * should occur will be incorrect. In this case, it would be best to do your own calculations\n * ahead of time, and pass a `number` in as the `startDue`.\n * @param startDue If a `number`, is the time to wait before starting the interval.\n * If a `Date`, is the exact time at which to start the interval.\n * @param intervalDuration The delay between each value emitted in the interval. Passing a\n * negative number here will result in immediate completion after the first value is emitted, as though\n * no `intervalDuration` was passed at all.\n * @param scheduler The scheduler to use to schedule the delay. Defaults to {@link asyncScheduler}.\n */\nexport function timer(startDue: number | Date, intervalDuration: number, scheduler?: SchedulerLike): Observable<number>;\n\n/**\n * @deprecated The signature allowing `undefined` to be passed for `intervalDuration` will be removed in v8. Use the `timer(dueTime, scheduler?)` signature instead.\n */\nexport function timer(dueTime: number | Date, unused: undefined, scheduler?: SchedulerLike): Observable<0>;\n\nexport function timer(\n  dueTime: number | Date = 0,\n  intervalOrScheduler?: number | SchedulerLike,\n  scheduler: SchedulerLike = asyncScheduler\n): Observable<number> {\n  // Since negative intervalDuration is treated as though no\n  // interval was specified at all, we start with a negative number.\n  let intervalDuration = -1;\n\n  if (intervalOrScheduler != null) {\n    // If we have a second argument, and it's a scheduler,\n    // override the scheduler we had defaulted. Otherwise,\n    // it must be an interval.\n    if (isScheduler(intervalOrScheduler)) {\n      scheduler = intervalOrScheduler;\n    } else {\n      // Note that this *could* be negative, in which case\n      // it's like not passing an intervalDuration at all.\n      intervalDuration = intervalOrScheduler;\n    }\n  }\n\n  return new Observable((subscriber) => {\n    // If a valid date is passed, calculate how long to wait before\n    // executing the first value... otherwise, if it's a number just schedule\n    // that many milliseconds (or scheduler-specified unit size) in the future.\n    let due = isValidDate(dueTime) ? +dueTime - scheduler!.now() : dueTime;\n\n    if (due < 0) {\n      // Ensure we don't schedule in the future.\n      due = 0;\n    }\n\n    // The incrementing value we emit.\n    let n = 0;\n\n    // Start the timer.\n    return scheduler.schedule(function () {\n      if (!subscriber.closed) {\n        // Emit the next value and increment.\n        subscriber.next(n++);\n\n        if (0 <= intervalDuration) {\n          // If we have a interval after the initial timer,\n          // reschedule with the period.\n          this.schedule(undefined, intervalDuration);\n        } else {\n          // We didn't have an interval. So just complete.\n          subscriber.complete();\n        }\n      }\n    }, due);\n  });\n}\n", "import { Observable } from '../Observable';\nimport { ObservableInput, ObservableInputTuple, SchedulerLike } from '../types';\nimport { mergeAll } from '../operators/mergeAll';\nimport { innerFrom } from './innerFrom';\nimport { EMPTY } from './empty';\nimport { popNumber, popScheduler } from '../util/args';\nimport { from } from './from';\n\nexport function merge<A extends readonly unknown[]>(...sources: [...ObservableInputTuple<A>]): Observable<A[number]>;\nexport function merge<A extends readonly unknown[]>(...sourcesAndConcurrency: [...ObservableInputTuple<A>, number?]): Observable<A[number]>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `mergeAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function merge<A extends readonly unknown[]>(\n  ...sourcesAndScheduler: [...ObservableInputTuple<A>, SchedulerLike?]\n): Observable<A[number]>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `mergeAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function merge<A extends readonly unknown[]>(\n  ...sourcesAndConcurrencyAndScheduler: [...ObservableInputTuple<A>, number?, SchedulerLike?]\n): Observable<A[number]>;\n\n/**\n * Creates an output Observable which concurrently emits all values from every\n * given input Observable.\n *\n * <span class=\"informal\">Flattens multiple Observables together by blending\n * their values into one Observable.</span>\n *\n * ![](merge.png)\n *\n * `merge` subscribes to each given input Observable (as arguments), and simply\n * forwards (without doing any transformation) all the values from all the input\n * Observables to the output Observable. The output Observable only completes\n * once all input Observables have completed. Any error delivered by an input\n * Observable will be immediately emitted on the output Observable.\n *\n * ## Examples\n *\n * Merge together two Observables: 1s interval and clicks\n *\n * ```ts\n * import { merge, fromEvent, interval } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const timer = interval(1000);\n * const clicksOrTimer = merge(clicks, timer);\n * clicksOrTimer.subscribe(x => console.log(x));\n *\n * // Results in the following:\n * // timer will emit ascending values, one every second(1000ms) to console\n * // clicks logs MouseEvents to console every time the \"document\" is clicked\n * // Since the two streams are merged you see these happening\n * // as they occur.\n * ```\n *\n * Merge together 3 Observables, but run only 2 concurrently\n *\n * ```ts\n * import { interval, take, merge } from 'rxjs';\n *\n * const timer1 = interval(1000).pipe(take(10));\n * const timer2 = interval(2000).pipe(take(6));\n * const timer3 = interval(500).pipe(take(10));\n *\n * const concurrent = 2; // the argument\n * const merged = merge(timer1, timer2, timer3, concurrent);\n * merged.subscribe(x => console.log(x));\n *\n * // Results in the following:\n * // - First timer1 and timer2 will run concurrently\n * // - timer1 will emit a value every 1000ms for 10 iterations\n * // - timer2 will emit a value every 2000ms for 6 iterations\n * // - after timer1 hits its max iteration, timer2 will\n * //   continue, and timer3 will start to run concurrently with timer2\n * // - when timer2 hits its max iteration it terminates, and\n * //   timer3 will continue to emit a value every 500ms until it is complete\n * ```\n *\n * @see {@link mergeAll}\n * @see {@link mergeMap}\n * @see {@link mergeMapTo}\n * @see {@link mergeScan}\n *\n * @param args `ObservableInput`s to merge together. If the last parameter\n * is of type number, `merge` will use it to limit number of concurrently\n * subscribed `ObservableInput`s. If the last parameter is {@link SchedulerLike},\n * it will be used for scheduling the emission of values.\n * @return An Observable that emits items that are the result of every input Observable.\n */\nexport function merge(...args: (ObservableInput<unknown> | number | SchedulerLike)[]): Observable<unknown> {\n  const scheduler = popScheduler(args);\n  const concurrent = popNumber(args, Infinity);\n  const sources = args as ObservableInput<unknown>[];\n  return !sources.length\n    ? // No source provided\n      EMPTY\n    : sources.length === 1\n    ? // One source? Just return it.\n      innerFrom(sources[0])\n    : // Merge all sources\n      mergeAll(concurrent)(from(sources, scheduler));\n}\n", "import { Observable } from '../Observable';\nimport { noop } from '../util/noop';\n\n/**\n * An Observable that emits no items to the Observer and never completes.\n *\n * ![](never.png)\n *\n * A simple Observable that emits neither values nor errors nor the completion\n * notification. It can be used for testing purposes or for composing with other\n * Observables. Please note that by never emitting a complete notification, this\n * Observable keeps the subscription from being disposed automatically.\n * Subscriptions need to be manually disposed.\n *\n * ##  Example\n *\n * Emit the number 7, then never emit anything else (not even complete)\n *\n * ```ts\n * import { NEVER, startWith } from 'rxjs';\n *\n * const info = () => console.log('Will not be called');\n *\n * const result = NEVER.pipe(startWith(7));\n * result.subscribe({\n *   next: x => console.log(x),\n *   error: info,\n *   complete: info\n * });\n * ```\n *\n * @see {@link Observable}\n * @see {@link EMPTY}\n * @see {@link of}\n * @see {@link throwError}\n */\nexport const NEVER = new Observable<never>(noop);\n\n/**\n * @deprecated Replaced with the {@link NEVER} constant. Will be removed in v8.\n */\nexport function never() {\n  return NEVER;\n}\n", "const { isArray } = Array;\n\n/**\n * Used in operators and functions that accept either a list of arguments, or an array of arguments\n * as a single argument.\n */\nexport function argsOrArgArray<T>(args: (T | T[])[]): T[] {\n  return args.length === 1 && isArray(args[0]) ? args[0] : (args as T[]);\n}\n", "import { OperatorFunction, MonoTypeOperatorFunction, TruthyTypesOf } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/** @deprecated Use a closure instead of a `thisArg`. Signatures accepting a `thisArg` will be removed in v8. */\nexport function filter<T, S extends T, A>(predicate: (this: A, value: T, index: number) => value is S, thisArg: A): OperatorFunction<T, S>;\nexport function filter<T, S extends T>(predicate: (value: T, index: number) => value is S): OperatorFunction<T, S>;\nexport function filter<T>(predicate: BooleanConstructor): OperatorFunction<T, TruthyTypesOf<T>>;\n/** @deprecated Use a closure instead of a `thisArg`. Signatures accepting a `thisArg` will be removed in v8. */\nexport function filter<T, A>(predicate: (this: A, value: T, index: number) => boolean, thisArg: A): MonoTypeOperatorFunction<T>;\nexport function filter<T>(predicate: (value: T, index: number) => boolean): MonoTypeOperatorFunction<T>;\n\n/**\n * Filter items emitted by the source Observable by only emitting those that\n * satisfy a specified predicate.\n *\n * <span class=\"informal\">Like\n * [Array.prototype.filter()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter),\n * it only emits a value from the source if it passes a criterion function.</span>\n *\n * ![](filter.png)\n *\n * Similar to the well-known `Array.prototype.filter` method, this operator\n * takes values from the source Observable, passes them through a `predicate`\n * function and only emits those values that yielded `true`.\n *\n * ## Example\n *\n * Emit only click events whose target was a DIV element\n *\n * ```ts\n * import { fromEvent, filter } from 'rxjs';\n *\n * const div = document.createElement('div');\n * div.style.cssText = 'width: 200px; height: 200px; background: #09c;';\n * document.body.appendChild(div);\n *\n * const clicks = fromEvent(document, 'click');\n * const clicksOnDivs = clicks.pipe(filter(ev => (<HTMLElement>ev.target).tagName === 'DIV'));\n * clicksOnDivs.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link distinct}\n * @see {@link distinctUntilChanged}\n * @see {@link distinctUntilKeyChanged}\n * @see {@link ignoreElements}\n * @see {@link partition}\n * @see {@link skip}\n *\n * @param predicate A function that\n * evaluates each value emitted by the source Observable. If it returns `true`,\n * the value is emitted, if `false` the value is not passed to the output\n * Observable. The `index` parameter is the number `i` for the i-th source\n * emission that has happened since the subscription, starting from the number\n * `0`.\n * @param thisArg An optional argument to determine the value of `this`\n * in the `predicate` function.\n * @return A function that returns an Observable that emits items from the\n * source Observable that satisfy the specified `predicate`.\n */\nexport function filter<T>(predicate: (value: T, index: number) => boolean, thisArg?: any): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    // An index passed to our predicate function on each call.\n    let index = 0;\n\n    // Subscribe to the source, all errors and completions are\n    // forwarded to the consumer.\n    source.subscribe(\n      // Call the predicate with the appropriate `this` context,\n      // if the predicate returns `true`, then send the value\n      // to the consumer.\n      createOperatorSubscriber(subscriber, (value) => predicate.call(thisArg, value, index++) && subscriber.next(value))\n    );\n  });\n}\n", "import { Observable } from '../Observable';\nimport { ObservableInputTuple } from '../types';\nimport { innerFrom } from './innerFrom';\nimport { argsOrArgArray } from '../util/argsOrArgArray';\nimport { EMPTY } from './empty';\nimport { createOperatorSubscriber } from '../operators/OperatorSubscriber';\nimport { popResultSelector } from '../util/args';\n\nexport function zip<A extends readonly unknown[]>(sources: [...ObservableInputTuple<A>]): Observable<A>;\nexport function zip<A extends readonly unknown[], R>(\n  sources: [...ObservableInputTuple<A>],\n  resultSelector: (...values: A) => R\n): Observable<R>;\nexport function zip<A extends readonly unknown[]>(...sources: [...ObservableInputTuple<A>]): Observable<A>;\nexport function zip<A extends readonly unknown[], R>(\n  ...sourcesAndResultSelector: [...ObservableInputTuple<A>, (...values: A) => R]\n): Observable<R>;\n\n/**\n * Combines multiple Observables to create an Observable whose values are calculated from the values, in order, of each\n * of its input Observables.\n *\n * If the last parameter is a function, this function is used to compute the created value from the input values.\n * Otherwise, an array of the input values is returned.\n *\n * ## Example\n *\n * Combine age and name from different sources\n *\n * ```ts\n * import { of, zip, map } from 'rxjs';\n *\n * const age$ = of(27, 25, 29);\n * const name$ = of('Foo', 'Bar', 'Beer');\n * const isDev$ = of(true, true, false);\n *\n * zip(age$, name$, isDev$).pipe(\n *   map(([age, name, isDev]) => ({ age, name, isDev }))\n * )\n * .subscribe(x => console.log(x));\n *\n * // Outputs\n * // { age: 27, name: 'Foo', isDev: true }\n * // { age: 25, name: 'Bar', isDev: true }\n * // { age: 29, name: 'Beer', isDev: false }\n * ```\n *\n * @param args Any number of `ObservableInput`s provided either as an array or as an object\n * to combine with each other.\n * @return An Observable of array values of the values emitted at the same index from each\n * individual `ObservableInput`.\n */\nexport function zip(...args: unknown[]): Observable<unknown> {\n  const resultSelector = popResultSelector(args);\n\n  const sources = argsOrArgArray(args) as Observable<unknown>[];\n\n  return sources.length\n    ? new Observable<unknown[]>((subscriber) => {\n        // A collection of buffers of values from each source.\n        // Keyed by the same index with which the sources were passed in.\n        let buffers: unknown[][] = sources.map(() => []);\n\n        // An array of flags of whether or not the sources have completed.\n        // This is used to check to see if we should complete the result.\n        // Keyed by the same index with which the sources were passed in.\n        let completed = sources.map(() => false);\n\n        // When everything is done, release the arrays above.\n        subscriber.add(() => {\n          buffers = completed = null!;\n        });\n\n        // Loop over our sources and subscribe to each one. The index `i` is\n        // especially important here, because we use it in closures below to\n        // access the related buffers and completion properties\n        for (let sourceIndex = 0; !subscriber.closed && sourceIndex < sources.length; sourceIndex++) {\n          innerFrom(sources[sourceIndex]).subscribe(\n            createOperatorSubscriber(\n              subscriber,\n              (value) => {\n                buffers[sourceIndex].push(value);\n                // if every buffer has at least one value in it, then we\n                // can shift out the oldest value from each buffer and emit\n                // them as an array.\n                if (buffers.every((buffer) => buffer.length)) {\n                  const result: any = buffers.map((buffer) => buffer.shift()!);\n                  // Emit the array. If theres' a result selector, use that.\n                  subscriber.next(resultSelector ? resultSelector(...result) : result);\n                  // If any one of the sources is both complete and has an empty buffer\n                  // then we complete the result. This is because we cannot possibly have\n                  // any more values to zip together.\n                  if (buffers.some((buffer, i) => !buffer.length && completed[i])) {\n                    subscriber.complete();\n                  }\n                }\n              },\n              () => {\n                // This source completed. Mark it as complete so we can check it later\n                // if we have to.\n                completed[sourceIndex] = true;\n                // But, if this complete source has nothing in its buffer, then we\n                // can complete the result, because we can't possibly have any more\n                // values from this to zip together with the other values.\n                !buffers[sourceIndex].length && subscriber.complete();\n              }\n            )\n          );\n        }\n\n        // When everything is done, release the arrays above.\n        return () => {\n          buffers = completed = null!;\n        };\n      })\n    : EMPTY;\n}\n", "import { Subscriber } from '../Subscriber';\nimport { MonoTypeOperatorFunction, ObservableInput } from '../types';\n\nimport { operate } from '../util/lift';\nimport { innerFrom } from '../observable/innerFrom';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * Ignores source values for a duration determined by another Observable, then\n * emits the most recent value from the source Observable, then repeats this\n * process.\n *\n * <span class=\"informal\">It's like {@link auditTime}, but the silencing\n * duration is determined by a second Observable.</span>\n *\n * ![](audit.svg)\n *\n * `audit` is similar to `throttle`, but emits the last value from the silenced\n * time window, instead of the first value. `audit` emits the most recent value\n * from the source Observable on the output Observable as soon as its internal\n * timer becomes disabled, and ignores source values while the timer is enabled.\n * Initially, the timer is disabled. As soon as the first source value arrives,\n * the timer is enabled by calling the `durationSelector` function with the\n * source value, which returns the \"duration\" Observable. When the duration\n * Observable emits a value, the timer is disabled, then the most\n * recent source value is emitted on the output Observable, and this process\n * repeats for the next source value.\n *\n * ## Example\n *\n * Emit clicks at a rate of at most one click per second\n *\n * ```ts\n * import { fromEvent, audit, interval } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(audit(ev => interval(1000)));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link auditTime}\n * @see {@link debounce}\n * @see {@link delayWhen}\n * @see {@link sample}\n * @see {@link throttle}\n *\n * @param durationSelector A function\n * that receives a value from the source Observable, for computing the silencing\n * duration, returned as an Observable or a Promise.\n * @return A function that returns an Observable that performs rate-limiting of\n * emissions from the source Observable.\n */\nexport function audit<T>(durationSelector: (value: T) => ObservableInput<any>): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    let hasValue = false;\n    let lastValue: T | null = null;\n    let durationSubscriber: Subscriber<any> | null = null;\n    let isComplete = false;\n\n    const endDuration = () => {\n      durationSubscriber?.unsubscribe();\n      durationSubscriber = null;\n      if (hasValue) {\n        hasValue = false;\n        const value = lastValue!;\n        lastValue = null;\n        subscriber.next(value);\n      }\n      isComplete && subscriber.complete();\n    };\n\n    const cleanupDuration = () => {\n      durationSubscriber = null;\n      isComplete && subscriber.complete();\n    };\n\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => {\n          hasValue = true;\n          lastValue = value;\n          if (!durationSubscriber) {\n            innerFrom(durationSelector(value)).subscribe(\n              (durationSubscriber = createOperatorSubscriber(subscriber, endDuration, cleanupDuration))\n            );\n          }\n        },\n        () => {\n          isComplete = true;\n          (!hasValue || !durationSubscriber || durationSubscriber.closed) && subscriber.complete();\n        }\n      )\n    );\n  });\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { audit } from './audit';\nimport { timer } from '../observable/timer';\nimport { MonoTypeOperatorFunction, SchedulerLike } from '../types';\n\n/**\n * Ignores source values for `duration` milliseconds, then emits the most recent\n * value from the source Observable, then repeats this process.\n *\n * <span class=\"informal\">When it sees a source value, it ignores that plus\n * the next ones for `duration` milliseconds, and then it emits the most recent\n * value from the source.</span>\n *\n * ![](auditTime.png)\n *\n * `auditTime` is similar to `throttleTime`, but emits the last value from the\n * silenced time window, instead of the first value. `auditTime` emits the most\n * recent value from the source Observable on the output Observable as soon as\n * its internal timer becomes disabled, and ignores source values while the\n * timer is enabled. Initially, the timer is disabled. As soon as the first\n * source value arrives, the timer is enabled. After `duration` milliseconds (or\n * the time unit determined internally by the optional `scheduler`) has passed,\n * the timer is disabled, then the most recent source value is emitted on the\n * output Observable, and this process repeats for the next source value.\n * Optionally takes a {@link SchedulerLike} for managing timers.\n *\n * ## Example\n *\n * Emit clicks at a rate of at most one click per second\n *\n * ```ts\n * import { fromEvent, auditTime } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(auditTime(1000));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link audit}\n * @see {@link debounceTime}\n * @see {@link delay}\n * @see {@link sampleTime}\n * @see {@link throttleTime}\n *\n * @param duration Time to wait before emitting the most recent source value,\n * measured in milliseconds or the time unit determined internally by the\n * optional `scheduler`.\n * @param scheduler The {@link SchedulerLike} to use for managing the timers\n * that handle the rate-limiting behavior.\n * @return A function that returns an Observable that performs rate-limiting of\n * emissions from the source Observable.\n */\nexport function auditTime<T>(duration: number, scheduler: SchedulerLike = asyncScheduler): MonoTypeOperatorFunction<T> {\n  return audit(() => timer(duration, scheduler));\n}\n", "import { OperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { arrRemove } from '../util/arrRemove';\n\n/**\n * Buffers the source Observable values until the size hits the maximum\n * `bufferSize` given.\n *\n * <span class=\"informal\">Collects values from the past as an array, and emits\n * that array only when its size reaches `bufferSize`.</span>\n *\n * ![](bufferCount.png)\n *\n * Buffers a number of values from the source Observable by `bufferSize` then\n * emits the buffer and clears it, and starts a new buffer each\n * `startBufferEvery` values. If `startBufferEvery` is not provided or is\n * `null`, then new buffers are started immediately at the start of the source\n * and when each buffer closes and is emitted.\n *\n * ## Examples\n *\n * Emit the last two click events as an array\n *\n * ```ts\n * import { fromEvent, bufferCount } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const buffered = clicks.pipe(bufferCount(2));\n * buffered.subscribe(x => console.log(x));\n * ```\n *\n * On every click, emit the last two click events as an array\n *\n * ```ts\n * import { fromEvent, bufferCount } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const buffered = clicks.pipe(bufferCount(2, 1));\n * buffered.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link buffer}\n * @see {@link bufferTime}\n * @see {@link bufferToggle}\n * @see {@link bufferWhen}\n * @see {@link pairwise}\n * @see {@link windowCount}\n *\n * @param bufferSize The maximum size of the buffer emitted.\n * @param startBufferEvery Interval at which to start a new buffer.\n * For example if `startBufferEvery` is `2`, then a new buffer will be started\n * on every other value from the source. A new buffer is started at the\n * beginning of the source by default.\n * @return A function that returns an Observable of arrays of buffered values.\n */\nexport function bufferCount<T>(bufferSize: number, startBufferEvery: number | null = null): OperatorFunction<T, T[]> {\n  // If no `startBufferEvery` value was supplied, then we're\n  // opening and closing on the bufferSize itself.\n  startBufferEvery = startBufferEvery ?? bufferSize;\n\n  return operate((source, subscriber) => {\n    let buffers: T[][] = [];\n    let count = 0;\n\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => {\n          let toEmit: T[][] | null = null;\n\n          // Check to see if we need to start a buffer.\n          // This will start one at the first value, and then\n          // a new one every N after that.\n          if (count++ % startBufferEvery! === 0) {\n            buffers.push([]);\n          }\n\n          // Push our value into our active buffers.\n          for (const buffer of buffers) {\n            buffer.push(value);\n            // Check to see if we're over the bufferSize\n            // if we are, record it so we can emit it later.\n            // If we emitted it now and removed it, it would\n            // mutate the `buffers` array while we're looping\n            // over it.\n            if (bufferSize <= buffer.length) {\n              toEmit = toEmit ?? [];\n              toEmit.push(buffer);\n            }\n          }\n\n          if (toEmit) {\n            // We have found some buffers that are over the\n            // `bufferSize`. Emit them, and remove them from our\n            // buffers list.\n            for (const buffer of toEmit) {\n              arrRemove(buffers, buffer);\n              subscriber.next(buffer);\n            }\n          }\n        },\n        () => {\n          // When the source completes, emit all of our\n          // active buffers.\n          for (const buffer of buffers) {\n            subscriber.next(buffer);\n          }\n          subscriber.complete();\n        },\n        // Pass all errors through to consumer.\n        undefined,\n        () => {\n          // Clean up our memory when we finalize\n          buffers = null!;\n        }\n      )\n    );\n  });\n}\n", "import { Observable } from '../Observable';\n\nimport { ObservableInput, OperatorFunction, ObservedValueOf } from '../types';\nimport { Subscription } from '../Subscription';\nimport { innerFrom } from '../observable/innerFrom';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { operate } from '../util/lift';\n\nexport function catchError<T, O extends ObservableInput<any>>(\n  selector: (err: any, caught: Observable<T>) => O\n): OperatorFunction<T, T | ObservedValueOf<O>>;\n\n/**\n * Catches errors on the observable to be handled by returning a new observable or throwing an error.\n *\n * <span class=\"informal\">\n * It only listens to the error channel and ignores notifications.\n * Handles errors from the source observable, and maps them to a new observable.\n * The error may also be rethrown, or a new error can be thrown to emit an error from the result.\n * </span>\n *\n * ![](catch.png)\n *\n * This operator handles errors, but forwards along all other events to the resulting observable.\n * If the source observable terminates with an error, it will map that error to a new observable,\n * subscribe to it, and forward all of its events to the resulting observable.\n *\n * ## Examples\n *\n * Continue with a different Observable when there's an error\n *\n * ```ts\n * import { of, map, catchError } from 'rxjs';\n *\n * of(1, 2, 3, 4, 5)\n *   .pipe(\n *     map(n => {\n *       if (n === 4) {\n *         throw 'four!';\n *       }\n *       return n;\n *     }),\n *     catchError(err => of('I', 'II', 'III', 'IV', 'V'))\n *   )\n *   .subscribe(x => console.log(x));\n *   // 1, 2, 3, I, II, III, IV, V\n * ```\n *\n * Retry the caught source Observable again in case of error, similar to `retry()` operator\n *\n * ```ts\n * import { of, map, catchError, take } from 'rxjs';\n *\n * of(1, 2, 3, 4, 5)\n *   .pipe(\n *     map(n => {\n *       if (n === 4) {\n *         throw 'four!';\n *       }\n *       return n;\n *     }),\n *     catchError((err, caught) => caught),\n *     take(30)\n *   )\n *   .subscribe(x => console.log(x));\n *   // 1, 2, 3, 1, 2, 3, ...\n * ```\n *\n * Throw a new error when the source Observable throws an error\n *\n * ```ts\n * import { of, map, catchError } from 'rxjs';\n *\n * of(1, 2, 3, 4, 5)\n *   .pipe(\n *     map(n => {\n *       if (n === 4) {\n *         throw 'four!';\n *       }\n *       return n;\n *     }),\n *     catchError(err => {\n *       throw 'error in source. Details: ' + err;\n *     })\n *   )\n *   .subscribe({\n *     next: x => console.log(x),\n *     error: err => console.log(err)\n *   });\n *   // 1, 2, 3, error in source. Details: four!\n * ```\n *\n * @see {@link onErrorResumeNext}\n * @see {@link repeat}\n * @see {@link repeatWhen}\n * @see {@link retry }\n * @see {@link retryWhen}\n *\n * @param selector A function that takes as arguments `err`, which is the error, and `caught`, which\n * is the source observable, in case you'd like to \"retry\" that observable by returning it again.\n * Whatever observable is returned by the `selector` will be used to continue the observable chain.\n * @return A function that returns an Observable that originates from either\n * the source or the Observable returned by the `selector` function.\n */\nexport function catchError<T, O extends ObservableInput<any>>(\n  selector: (err: any, caught: Observable<T>) => O\n): OperatorFunction<T, T | ObservedValueOf<O>> {\n  return operate((source, subscriber) => {\n    let innerSub: Subscription | null = null;\n    let syncUnsub = false;\n    let handledResult: Observable<ObservedValueOf<O>>;\n\n    innerSub = source.subscribe(\n      createOperatorSubscriber(subscriber, undefined, undefined, (err) => {\n        handledResult = innerFrom(selector(err, catchError(selector)(source)));\n        if (innerSub) {\n          innerSub.unsubscribe();\n          innerSub = null;\n          handledResult.subscribe(subscriber);\n        } else {\n          // We don't have an innerSub yet, that means the error was synchronous\n          // because the subscribe call hasn't returned yet.\n          syncUnsub = true;\n        }\n      })\n    );\n\n    if (syncUnsub) {\n      // We have a synchronous error, we need to make sure to\n      // finalize right away. This ensures that callbacks in the `finalize` operator are called\n      // at the right time, and that finalization occurs at the expected\n      // time between the source error and the subscription to the\n      // next observable.\n      innerSub.unsubscribe();\n      innerSub = null;\n      handledResult!.subscribe(subscriber);\n    }\n  });\n}\n", "import { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * A basic scan operation. This is used for `scan` and `reduce`.\n * @param accumulator The accumulator to use\n * @param seed The seed value for the state to accumulate\n * @param hasSeed Whether or not a seed was provided\n * @param emitOnNext Whether or not to emit the state on next\n * @param emitBeforeComplete Whether or not to emit the before completion\n */\n\nexport function scanInternals<V, A, S>(\n  accumulator: (acc: V | A | S, value: V, index: number) => A,\n  seed: S,\n  hasSeed: boolean,\n  emitOnNext: boolean,\n  emitBeforeComplete?: undefined | true\n) {\n  return (source: Observable<V>, subscriber: Subscriber<any>) => {\n    // Whether or not we have state yet. This will only be\n    // false before the first value arrives if we didn't get\n    // a seed value.\n    let hasState = hasSeed;\n    // The state that we're tracking, starting with the seed,\n    // if there is one, and then updated by the return value\n    // from the accumulator on each emission.\n    let state: any = seed;\n    // An index to pass to the accumulator function.\n    let index = 0;\n\n    // Subscribe to our source. All errors and completions are passed through.\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => {\n          // Always increment the index.\n          const i = index++;\n          // Set the state\n          state = hasState\n            ? // We already have state, so we can get the new state from the accumulator\n              accumulator(state, value, i)\n            : // We didn't have state yet, a seed value was not provided, so\n\n              // we set the state to the first value, and mark that we have state now\n              ((hasState = true), value);\n\n          // Maybe send it to the consumer.\n          emitOnNext && subscriber.next(state);\n        },\n        // If an onComplete was given, call it, otherwise\n        // just pass through the complete notification to the consumer.\n        emitBeforeComplete &&\n          (() => {\n            hasState && subscriber.next(state);\n            subscriber.complete();\n          })\n      )\n    );\n  };\n}\n", "import { combineLatestInit } from '../observable/combineLatest';\nimport { ObservableInput, ObservableInputTuple, OperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { argsOrArgArray } from '../util/argsOrArgArray';\nimport { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';\nimport { pipe } from '../util/pipe';\nimport { popResultSelector } from '../util/args';\n\n/** @deprecated Replaced with {@link combineLatestWith}. Will be removed in v8. */\nexport function combineLatest<T, A extends readonly unknown[], R>(\n  sources: [...ObservableInputTuple<A>],\n  project: (...values: [T, ...A]) => R\n): OperatorFunction<T, R>;\n/** @deprecated Replaced with {@link combineLatestWith}. Will be removed in v8. */\nexport function combineLatest<T, A extends readonly unknown[], R>(sources: [...ObservableInputTuple<A>]): OperatorFunction<T, [T, ...A]>;\n\n/** @deprecated Replaced with {@link combineLatestWith}. Will be removed in v8. */\nexport function combineLatest<T, A extends readonly unknown[], R>(\n  ...sourcesAndProject: [...ObservableInputTuple<A>, (...values: [T, ...A]) => R]\n): OperatorFunction<T, R>;\n/** @deprecated Replaced with {@link combineLatestWith}. Will be removed in v8. */\nexport function combineLatest<T, A extends readonly unknown[], R>(...sources: [...ObservableInputTuple<A>]): OperatorFunction<T, [T, ...A]>;\n\n/**\n * @deprecated Replaced with {@link combineLatestWith}. Will be removed in v8.\n */\nexport function combineLatest<T, R>(...args: (ObservableInput<any> | ((...values: any[]) => R))[]): OperatorFunction<T, unknown> {\n  const resultSelector = popResultSelector(args);\n  return resultSelector\n    ? pipe(combineLatest(...(args as Array<ObservableInput<any>>)), mapOneOrManyArgs(resultSelector))\n    : operate((source, subscriber) => {\n        combineLatestInit([source, ...argsOrArgArray(args)])(subscriber);\n      });\n}\n", "import { ObservableInputTuple, OperatorFunction, Cons } from '../types';\nimport { combineLatest } from './combineLatest';\n\n/**\n * Create an observable that combines the latest values from all passed observables and the source\n * into arrays and emits them.\n *\n * Returns an observable, that when subscribed to, will subscribe to the source observable and all\n * sources provided as arguments. Once all sources emit at least one value, all of the latest values\n * will be emitted as an array. After that, every time any source emits a value, all of the latest values\n * will be emitted as an array.\n *\n * This is a useful operator for eagerly calculating values based off of changed inputs.\n *\n * ## Example\n *\n * Simple concatenation of values from two inputs\n *\n * ```ts\n * import { fromEvent, combineLatestWith, map } from 'rxjs';\n *\n * // Setup: Add two inputs to the page\n * const input1 = document.createElement('input');\n * document.body.appendChild(input1);\n * const input2 = document.createElement('input');\n * document.body.appendChild(input2);\n *\n * // Get streams of changes\n * const input1Changes$ = fromEvent(input1, 'change');\n * const input2Changes$ = fromEvent(input2, 'change');\n *\n * // Combine the changes by adding them together\n * input1Changes$.pipe(\n *   combineLatestWith(input2Changes$),\n *   map(([e1, e2]) => (<HTMLInputElement>e1.target).value + ' - ' + (<HTMLInputElement>e2.target).value)\n * )\n * .subscribe(x => console.log(x));\n * ```\n *\n * @param otherSources the other sources to subscribe to.\n * @return A function that returns an Observable that emits the latest\n * emissions from both source and provided Observables.\n */\nexport function combineLatestWith<T, A extends readonly unknown[]>(\n  ...otherSources: [...ObservableInputTuple<A>]\n): OperatorFunction<T, Cons<T, A>> {\n  return combineLatest(...otherSources);\n}\n", "import { Subscriber } from '../Subscriber';\nimport { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { operate } from '../util/lift';\nimport { noop } from '../util/noop';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\n\n/**\n * Emits a notification from the source Observable only after a particular time span\n * determined by another Observable has passed without another source emission.\n *\n * <span class=\"informal\">It's like {@link debounceTime}, but the time span of\n * emission silence is determined by a second Observable.</span>\n *\n * ![](debounce.svg)\n *\n * `debounce` delays notifications emitted by the source Observable, but drops previous\n * pending delayed emissions if a new notification arrives on the source Observable.\n * This operator keeps track of the most recent notification from the source\n * Observable, and spawns a duration Observable by calling the\n * `durationSelector` function. The notification is emitted only when the duration\n * Observable emits a next notification, and if no other notification was emitted on\n * the source Observable since the duration Observable was spawned. If a new\n * notification appears before the duration Observable emits, the previous notification will\n * not be emitted and a new duration is scheduled from `durationSelector` is scheduled.\n * If the completing event happens during the scheduled duration the last cached notification\n * is emitted before the completion event is forwarded to the output observable.\n * If the error event happens during the scheduled duration or after it only the error event is\n * forwarded to the output observable. The cache notification is not emitted in this case.\n *\n * Like {@link debounceTime}, this is a rate-limiting operator, and also a\n * delay-like operator since output emissions do not necessarily occur at the\n * same time as they did on the source Observable.\n *\n * ## Example\n *\n * Emit the most recent click after a burst of clicks\n *\n * ```ts\n * import { fromEvent, scan, debounce, interval } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(\n *   scan(i => ++i, 1),\n *   debounce(i => interval(200 * i))\n * );\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link audit}\n * @see {@link auditTime}\n * @see {@link debounceTime}\n * @see {@link delay}\n * @see {@link sample}\n * @see {@link sampleTime}\n * @see {@link throttle}\n * @see {@link throttleTime}\n *\n * @param durationSelector A function\n * that receives a value from the source Observable, for computing the timeout\n * duration for each source value, returned as an Observable or a Promise.\n * @return A function that returns an Observable that delays the emissions of\n * the source Observable by the specified duration Observable returned by\n * `durationSelector`, and may drop some values if they occur too frequently.\n */\nexport function debounce<T>(durationSelector: (value: T) => ObservableInput<any>): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    let hasValue = false;\n    let lastValue: T | null = null;\n    // The subscriber/subscription for the current debounce, if there is one.\n    let durationSubscriber: Subscriber<any> | null = null;\n\n    const emit = () => {\n      // Unsubscribe any current debounce subscription we have,\n      // we only cared about the first notification from it, and we\n      // want to clean that subscription up as soon as possible.\n      durationSubscriber?.unsubscribe();\n      durationSubscriber = null;\n      if (hasValue) {\n        // We have a value! Free up memory first, then emit the value.\n        hasValue = false;\n        const value = lastValue!;\n        lastValue = null;\n        subscriber.next(value);\n      }\n    };\n\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value: T) => {\n          // Cancel any pending debounce duration. We don't\n          // need to null it out here yet tho, because we're just going\n          // to create another one in a few lines.\n          durationSubscriber?.unsubscribe();\n          hasValue = true;\n          lastValue = value;\n          // Capture our duration subscriber, so we can unsubscribe it when we're notified\n          // and we're going to emit the value.\n          durationSubscriber = createOperatorSubscriber(subscriber, emit, noop);\n          // Subscribe to the duration.\n          innerFrom(durationSelector(value)).subscribe(durationSubscriber);\n        },\n        () => {\n          // Source completed.\n          // Emit any pending debounced values then complete\n          emit();\n          subscriber.complete();\n        },\n        // Pass all errors through to consumer\n        undefined,\n        () => {\n          // Finalization.\n          lastValue = durationSubscriber = null;\n        }\n      )\n    );\n  });\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { Subscription } from '../Subscription';\nimport { MonoTypeOperatorFunction, SchedulerAction, SchedulerLike } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * Emits a notification from the source Observable only after a particular time span\n * has passed without another source emission.\n *\n * <span class=\"informal\">It's like {@link delay}, but passes only the most\n * recent notification from each burst of emissions.</span>\n *\n * ![](debounceTime.png)\n *\n * `debounceTime` delays notifications emitted by the source Observable, but drops\n * previous pending delayed emissions if a new notification arrives on the source\n * Observable. This operator keeps track of the most recent notification from the\n * source Observable, and emits that only when `dueTime` has passed\n * without any other notification appearing on the source Observable. If a new value\n * appears before `dueTime` silence occurs, the previous notification will be dropped\n * and will not be emitted and a new `dueTime` is scheduled.\n * If the completing event happens during `dueTime` the last cached notification\n * is emitted before the completion event is forwarded to the output observable.\n * If the error event happens during `dueTime` or after it only the error event is\n * forwarded to the output observable. The cache notification is not emitted in this case.\n *\n * This is a rate-limiting operator, because it is impossible for more than one\n * notification to be emitted in any time window of duration `dueTime`, but it is also\n * a delay-like operator since output emissions do not occur at the same time as\n * they did on the source Observable. Optionally takes a {@link SchedulerLike} for\n * managing timers.\n *\n * ## Example\n *\n * Emit the most recent click after a burst of clicks\n *\n * ```ts\n * import { fromEvent, debounceTime } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(debounceTime(1000));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link audit}\n * @see {@link auditTime}\n * @see {@link debounce}\n * @see {@link sample}\n * @see {@link sampleTime}\n * @see {@link throttle}\n * @see {@link throttleTime}\n *\n * @param dueTime The timeout duration in milliseconds (or the time unit determined\n * internally by the optional `scheduler`) for the window of time required to wait\n * for emission silence before emitting the most recent source value.\n * @param scheduler The {@link SchedulerLike} to use for managing the timers that\n * handle the timeout for each value.\n * @return A function that returns an Observable that delays the emissions of\n * the source Observable by the specified `dueTime`, and may drop some values\n * if they occur too frequently.\n */\nexport function debounceTime<T>(dueTime: number, scheduler: SchedulerLike = asyncScheduler): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    let activeTask: Subscription | null = null;\n    let lastValue: T | null = null;\n    let lastTime: number | null = null;\n\n    const emit = () => {\n      if (activeTask) {\n        // We have a value! Free up memory first, then emit the value.\n        activeTask.unsubscribe();\n        activeTask = null;\n        const value = lastValue!;\n        lastValue = null;\n        subscriber.next(value);\n      }\n    };\n    function emitWhenIdle(this: SchedulerAction<unknown>) {\n      // This is called `dueTime` after the first value\n      // but we might have received new values during this window!\n\n      const targetTime = lastTime! + dueTime;\n      const now = scheduler.now();\n      if (now < targetTime) {\n        // On that case, re-schedule to the new target\n        activeTask = this.schedule(undefined, targetTime - now);\n        subscriber.add(activeTask);\n        return;\n      }\n\n      emit();\n    }\n\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value: T) => {\n          lastValue = value;\n          lastTime = scheduler.now();\n\n          // Only set up a task if it's not already up\n          if (!activeTask) {\n            activeTask = scheduler.schedule(emitWhenIdle, dueTime);\n            subscriber.add(activeTask);\n          }\n        },\n        () => {\n          // Source completed.\n          // Emit any pending debounced values then complete\n          emit();\n          subscriber.complete();\n        },\n        // Pass all errors through to consumer.\n        undefined,\n        () => {\n          // Finalization.\n          lastValue = activeTask = null;\n        }\n      )\n    );\n  });\n}\n", "import { OperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * Emits a given value if the source Observable completes without emitting any\n * `next` value, otherwise mirrors the source Observable.\n *\n * <span class=\"informal\">If the source Observable turns out to be empty, then\n * this operator will emit a default value.</span>\n *\n * ![](defaultIfEmpty.png)\n *\n * `defaultIfEmpty` emits the values emitted by the source Observable or a\n * specified default value if the source Observable is empty (completes without\n * having emitted any `next` value).\n *\n * ## Example\n *\n * If no clicks happen in 5 seconds, then emit 'no clicks'\n *\n * ```ts\n * import { fromEvent, takeUntil, interval, defaultIfEmpty } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const clicksBeforeFive = clicks.pipe(takeUntil(interval(5000)));\n * const result = clicksBeforeFive.pipe(defaultIfEmpty('no clicks'));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link empty}\n * @see {@link last}\n *\n * @param defaultValue The default value used if the source\n * Observable is empty.\n * @return A function that returns an Observable that emits either the\n * specified `defaultValue` if the source Observable emits no items, or the\n * values emitted by the source Observable.\n */\nexport function defaultIfEmpty<T, R>(defaultValue: R): OperatorFunction<T, T | R> {\n  return operate((source, subscriber) => {\n    let hasValue = false;\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => {\n          hasValue = true;\n          subscriber.next(value);\n        },\n        () => {\n          if (!hasValue) {\n            subscriber.next(defaultValue!);\n          }\n          subscriber.complete();\n        }\n      )\n    );\n  });\n}\n", "import { MonoTypeOperatorFunction } from '../types';\nimport { EMPTY } from '../observable/empty';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * Emits only the first `count` values emitted by the source Observable.\n *\n * <span class=\"informal\">Takes the first `count` values from the source, then\n * completes.</span>\n *\n * ![](take.png)\n *\n * `take` returns an Observable that emits only the first `count` values emitted\n * by the source Observable. If the source emits fewer than `count` values then\n * all of its values are emitted. After that, it completes, regardless if the\n * source completes.\n *\n * ## Example\n *\n * Take the first 5 seconds of an infinite 1-second interval Observable\n *\n * ```ts\n * import { interval, take } from 'rxjs';\n *\n * const intervalCount = interval(1000);\n * const takeFive = intervalCount.pipe(take(5));\n * takeFive.subscribe(x => console.log(x));\n *\n * // Logs:\n * // 0\n * // 1\n * // 2\n * // 3\n * // 4\n * ```\n *\n * @see {@link takeLast}\n * @see {@link takeUntil}\n * @see {@link takeWhile}\n * @see {@link skip}\n *\n * @param count The maximum number of `next` values to emit.\n * @return A function that returns an Observable that emits only the first\n * `count` values emitted by the source Observable, or all of the values from\n * the source if the source emits fewer than `count` values.\n */\nexport function take<T>(count: number): MonoTypeOperatorFunction<T> {\n  return count <= 0\n    ? // If we are taking no values, that's empty.\n      () => EMPTY\n    : operate((source, subscriber) => {\n        let seen = 0;\n        source.subscribe(\n          createOperatorSubscriber(subscriber, (value) => {\n            // Increment the number of values we have seen,\n            // then check it against the allowed count to see\n            // if we are still letting values through.\n            if (++seen <= count) {\n              subscriber.next(value);\n              // If we have met or passed our allowed count,\n              // we need to complete. We have to do <= here,\n              // because re-entrant code will increment `seen` twice.\n              if (count <= seen) {\n                subscriber.complete();\n              }\n            }\n          })\n        );\n      });\n}\n", "import { OperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { noop } from '../util/noop';\n\n/**\n * Ignores all items emitted by the source Observable and only passes calls of `complete` or `error`.\n *\n * ![](ignoreElements.png)\n *\n * The `ignoreElements` operator suppresses all items emitted by the source Observable,\n * but allows its termination notification (either `error` or `complete`) to pass through unchanged.\n *\n * If you do not care about the items being emitted by an Observable, but you do want to be notified\n * when it completes or when it terminates with an error, you can apply the `ignoreElements` operator\n * to the Observable, which will ensure that it will never call its observers\u2019 `next` handlers.\n *\n * ## Example\n *\n * Ignore all `next` emissions from the source\n *\n * ```ts\n * import { of, ignoreElements } from 'rxjs';\n *\n * of('you', 'talking', 'to', 'me')\n *   .pipe(ignoreElements())\n *   .subscribe({\n *     next: word => console.log(word),\n *     error: err => console.log('error:', err),\n *     complete: () => console.log('the end'),\n *   });\n *\n * // result:\n * // 'the end'\n * ```\n *\n * @return A function that returns an empty Observable that only calls\n * `complete` or `error`, based on which one is called by the source\n * Observable.\n */\nexport function ignoreElements(): OperatorFunction<unknown, never> {\n  return operate((source, subscriber) => {\n    source.subscribe(createOperatorSubscriber(subscriber, noop));\n  });\n}\n", "import { OperatorFunction } from '../types';\nimport { map } from './map';\n\n/** @deprecated To be removed in v9. Use {@link map} instead: `map(() => value)`. */\nexport function mapTo<R>(value: R): OperatorFunction<unknown, R>;\n/**\n * @deprecated Do not specify explicit type parameters. Signatures with type parameters\n * that cannot be inferred will be removed in v8. `mapTo` itself will be removed in v9,\n * use {@link map} instead: `map(() => value)`.\n * */\nexport function mapTo<T, R>(value: R): OperatorFunction<T, R>;\n\n/**\n * Emits the given constant value on the output Observable every time the source\n * Observable emits a value.\n *\n * <span class=\"informal\">Like {@link map}, but it maps every source value to\n * the same output value every time.</span>\n *\n * ![](mapTo.png)\n *\n * Takes a constant `value` as argument, and emits that whenever the source\n * Observable emits a value. In other words, ignores the actual source value,\n * and simply uses the emission moment to know when to emit the given `value`.\n *\n * ## Example\n *\n * Map every click to the string `'Hi'`\n *\n * ```ts\n * import { fromEvent, mapTo } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const greetings = clicks.pipe(mapTo('Hi'));\n *\n * greetings.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link map}\n *\n * @param value The value to map each source value to.\n * @return A function that returns an Observable that emits the given `value`\n * every time the source Observable emits.\n * @deprecated To be removed in v9. Use {@link map} instead: `map(() => value)`.\n */\nexport function mapTo<R>(value: R): OperatorFunction<unknown, R> {\n  return map(() => value);\n}\n", "import { Observable } from '../Observable';\nimport { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { concat } from '../observable/concat';\nimport { take } from './take';\nimport { ignoreElements } from './ignoreElements';\nimport { mapTo } from './mapTo';\nimport { mergeMap } from './mergeMap';\nimport { innerFrom } from '../observable/innerFrom';\n\n/** @deprecated The `subscriptionDelay` parameter will be removed in v8. */\nexport function delayWhen<T>(\n  delayDurationSelector: (value: T, index: number) => ObservableInput<any>,\n  subscriptionDelay: Observable<any>\n): MonoTypeOperatorFunction<T>;\nexport function delayWhen<T>(delayDurationSelector: (value: T, index: number) => ObservableInput<any>): MonoTypeOperatorFunction<T>;\n\n/**\n * Delays the emission of items from the source Observable by a given time span\n * determined by the emissions of another Observable.\n *\n * <span class=\"informal\">It's like {@link delay}, but the time span of the\n * delay duration is determined by a second Observable.</span>\n *\n * ![](delayWhen.png)\n *\n * `delayWhen` operator shifts each emitted value from the source Observable by\n * a time span determined by another Observable. When the source emits a value,\n * the `delayDurationSelector` function is called with the value emitted from\n * the source Observable as the first argument to the `delayDurationSelector`.\n * The `delayDurationSelector` function should return an {@link ObservableInput},\n * that is internally converted to an Observable that is called the \"duration\"\n * Observable.\n *\n * The source value is emitted on the output Observable only when the \"duration\"\n * Observable emits ({@link guide/glossary-and-semantics#next next}s) any value.\n * Upon that, the \"duration\" Observable gets unsubscribed.\n *\n * Before RxJS V7, the {@link guide/glossary-and-semantics#complete completion}\n * of the \"duration\" Observable would have been triggering the emission of the\n * source value to the output Observable, but with RxJS V7, this is not the case\n * anymore.\n *\n * Only next notifications (from the \"duration\" Observable) trigger values from\n * the source Observable to be passed to the output Observable. If the \"duration\"\n * Observable only emits the complete notification (without next), the value\n * emitted by the source Observable will never get to the output Observable - it\n * will be swallowed. If the \"duration\" Observable errors, the error will be\n * propagated to the output Observable.\n *\n * Optionally, `delayWhen` takes a second argument, `subscriptionDelay`, which\n * is an Observable. When `subscriptionDelay` emits its first value or\n * completes, the source Observable is subscribed to and starts behaving like\n * described in the previous paragraph. If `subscriptionDelay` is not provided,\n * `delayWhen` will subscribe to the source Observable as soon as the output\n * Observable is subscribed.\n *\n * ## Example\n *\n * Delay each click by a random amount of time, between 0 and 5 seconds\n *\n * ```ts\n * import { fromEvent, delayWhen, interval } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const delayedClicks = clicks.pipe(\n *   delayWhen(() => interval(Math.random() * 5000))\n * );\n * delayedClicks.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link delay}\n * @see {@link throttle}\n * @see {@link throttleTime}\n * @see {@link debounce}\n * @see {@link debounceTime}\n * @see {@link sample}\n * @see {@link sampleTime}\n * @see {@link audit}\n * @see {@link auditTime}\n *\n * @param delayDurationSelector A function that returns an `ObservableInput` for\n * each `value` emitted by the source Observable, which is then used to delay the\n * emission of that `value` on the output Observable until the `ObservableInput`\n * returned from this function emits a next value. When called, beside `value`,\n * this function receives a zero-based `index` of the emission order.\n * @param subscriptionDelay An Observable that triggers the subscription to the\n * source Observable once it emits any value.\n * @return A function that returns an Observable that delays the emissions of\n * the source Observable by an amount of time specified by the Observable\n * returned by `delayDurationSelector`.\n */\nexport function delayWhen<T>(\n  delayDurationSelector: (value: T, index: number) => ObservableInput<any>,\n  subscriptionDelay?: Observable<any>\n): MonoTypeOperatorFunction<T> {\n  if (subscriptionDelay) {\n    // DEPRECATED PATH\n    return (source: Observable<T>) =>\n      concat(subscriptionDelay.pipe(take(1), ignoreElements()), source.pipe(delayWhen(delayDurationSelector)));\n  }\n\n  return mergeMap((value, index) => innerFrom(delayDurationSelector(value, index)).pipe(take(1), mapTo(value)));\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { MonoTypeOperatorFunction, SchedulerLike } from '../types';\nimport { delayWhen } from './delayWhen';\nimport { timer } from '../observable/timer';\n\n/**\n * Delays the emission of items from the source Observable by a given timeout or\n * until a given Date.\n *\n * <span class=\"informal\">Time shifts each item by some specified amount of\n * milliseconds.</span>\n *\n * ![](delay.svg)\n *\n * If the delay argument is a Number, this operator time shifts the source\n * Observable by that amount of time expressed in milliseconds. The relative\n * time intervals between the values are preserved.\n *\n * If the delay argument is a Date, this operator time shifts the start of the\n * Observable execution until the given date occurs.\n *\n * ## Examples\n *\n * Delay each click by one second\n *\n * ```ts\n * import { fromEvent, delay } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const delayedClicks = clicks.pipe(delay(1000)); // each click emitted after 1 second\n * delayedClicks.subscribe(x => console.log(x));\n * ```\n *\n * Delay all clicks until a future date happens\n *\n * ```ts\n * import { fromEvent, delay } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const date = new Date('March 15, 2050 12:00:00'); // in the future\n * const delayedClicks = clicks.pipe(delay(date)); // click emitted only after that date\n * delayedClicks.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link delayWhen}\n * @see {@link throttle}\n * @see {@link throttleTime}\n * @see {@link debounce}\n * @see {@link debounceTime}\n * @see {@link sample}\n * @see {@link sampleTime}\n * @see {@link audit}\n * @see {@link auditTime}\n *\n * @param due The delay duration in milliseconds (a `number`) or a `Date` until\n * which the emission of the source items is delayed.\n * @param scheduler The {@link SchedulerLike} to use for managing the timers\n * that handle the time-shift for each item.\n * @return A function that returns an Observable that delays the emissions of\n * the source Observable by the specified timeout or Date.\n */\nexport function delay<T>(due: number | Date, scheduler: SchedulerLike = asyncScheduler): MonoTypeOperatorFunction<T> {\n  const duration = timer(due, scheduler);\n  return delayWhen(() => duration);\n}\n", "import { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { noop } from '../util/noop';\nimport { innerFrom } from '../observable/innerFrom';\n\n/**\n * Returns an Observable that emits all items emitted by the source Observable that are distinct by comparison from previous items.\n *\n * If a `keySelector` function is provided, then it will project each value from the source observable into a new value that it will\n * check for equality with previously projected values. If the `keySelector` function is not provided, it will use each value from the\n * source observable directly with an equality check against previous values.\n *\n * In JavaScript runtimes that support `Set`, this operator will use a `Set` to improve performance of the distinct value checking.\n *\n * In other runtimes, this operator will use a minimal implementation of `Set` that relies on an `Array` and `indexOf` under the\n * hood, so performance will degrade as more values are checked for distinction. Even in newer browsers, a long-running `distinct`\n * use might result in memory leaks. To help alleviate this in some scenarios, an optional `flushes` parameter is also provided so\n * that the internal `Set` can be \"flushed\", basically clearing it of values.\n *\n * ## Examples\n *\n * A simple example with numbers\n *\n * ```ts\n * import { of, distinct } from 'rxjs';\n *\n * of(1, 1, 2, 2, 2, 1, 2, 3, 4, 3, 2, 1)\n *   .pipe(distinct())\n *   .subscribe(x => console.log(x));\n *\n * // Outputs\n * // 1\n * // 2\n * // 3\n * // 4\n * ```\n *\n * An example using the `keySelector` function\n *\n * ```ts\n * import { of, distinct } from 'rxjs';\n *\n * of(\n *   { age: 4, name: 'Foo'},\n *   { age: 7, name: 'Bar'},\n *   { age: 5, name: 'Foo'}\n * )\n * .pipe(distinct(({ name }) => name))\n * .subscribe(x => console.log(x));\n *\n * // Outputs\n * // { age: 4, name: 'Foo' }\n * // { age: 7, name: 'Bar' }\n * ```\n * @see {@link distinctUntilChanged}\n * @see {@link distinctUntilKeyChanged}\n *\n * @param keySelector Optional `function` to select which value you want to check as distinct.\n * @param flushes Optional `ObservableInput` for flushing the internal HashSet of the operator.\n * @return A function that returns an Observable that emits items from the\n * source Observable with distinct values.\n */\nexport function distinct<T, K>(keySelector?: (value: T) => K, flushes?: ObservableInput<any>): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    const distinctKeys = new Set();\n    source.subscribe(\n      createOperatorSubscriber(subscriber, (value) => {\n        const key = keySelector ? keySelector(value) : value;\n        if (!distinctKeys.has(key)) {\n          distinctKeys.add(key);\n          subscriber.next(value);\n        }\n      })\n    );\n\n    flushes && innerFrom(flushes).subscribe(createOperatorSubscriber(subscriber, () => distinctKeys.clear(), noop));\n  });\n}\n", "import { MonoTypeOperatorFunction } from '../types';\nimport { identity } from '../util/identity';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\nexport function distinctUntilChanged<T>(comparator?: (previous: T, current: T) => boolean): MonoTypeOperatorFunction<T>;\nexport function distinctUntilChanged<T, K>(\n  comparator: (previous: K, current: K) => boolean,\n  keySelector: (value: T) => K\n): MonoTypeOperatorFunction<T>;\n\n/**\n * Returns a result {@link Observable} that emits all values pushed by the source observable if they\n * are distinct in comparison to the last value the result observable emitted.\n *\n * When provided without parameters or with the first parameter (`{@link distinctUntilChanged#comparator comparator}`),\n * it behaves like this:\n *\n * 1. It will always emit the first value from the source.\n * 2. For all subsequent values pushed by the source, they will be compared to the previously emitted values\n *    using the provided `comparator` or an `===` equality check.\n * 3. If the value pushed by the source is determined to be unequal by this check, that value is emitted and\n *    becomes the new \"previously emitted value\" internally.\n *\n * When the second parameter (`{@link distinctUntilChanged#keySelector keySelector}`) is provided, the behavior\n * changes:\n *\n * 1. It will always emit the first value from the source.\n * 2. The `keySelector` will be run against all values, including the first value.\n * 3. For all values after the first, the selected key will be compared against the key selected from\n *    the previously emitted value using the `comparator`.\n * 4. If the keys are determined to be unequal by this check, the value (not the key), is emitted\n *    and the selected key from that value is saved for future comparisons against other keys.\n *\n * ## Examples\n *\n * A very basic example with no `{@link distinctUntilChanged#comparator comparator}`. Note that `1` is emitted more than once,\n * because it's distinct in comparison to the _previously emitted_ value,\n * not in comparison to _all other emitted values_.\n *\n * ```ts\n * import { of, distinctUntilChanged } from 'rxjs';\n *\n * of(1, 1, 1, 2, 2, 2, 1, 1, 3, 3)\n *   .pipe(distinctUntilChanged())\n *   .subscribe(console.log);\n * // Logs: 1, 2, 1, 3\n * ```\n *\n * With a `{@link distinctUntilChanged#comparator comparator}`, you can do custom comparisons. Let's say\n * you only want to emit a value when all of its components have\n * changed:\n *\n * ```ts\n * import { of, distinctUntilChanged } from 'rxjs';\n *\n * const totallyDifferentBuilds$ = of(\n *   { engineVersion: '1.1.0', transmissionVersion: '1.2.0' },\n *   { engineVersion: '1.1.0', transmissionVersion: '1.4.0' },\n *   { engineVersion: '1.3.0', transmissionVersion: '1.4.0' },\n *   { engineVersion: '1.3.0', transmissionVersion: '1.5.0' },\n *   { engineVersion: '2.0.0', transmissionVersion: '1.5.0' }\n * ).pipe(\n *   distinctUntilChanged((prev, curr) => {\n *     return (\n *       prev.engineVersion === curr.engineVersion ||\n *       prev.transmissionVersion === curr.transmissionVersion\n *     );\n *   })\n * );\n *\n * totallyDifferentBuilds$.subscribe(console.log);\n *\n * // Logs:\n * // { engineVersion: '1.1.0', transmissionVersion: '1.2.0' }\n * // { engineVersion: '1.3.0', transmissionVersion: '1.4.0' }\n * // { engineVersion: '2.0.0', transmissionVersion: '1.5.0' }\n * ```\n *\n * You can also provide a custom `{@link distinctUntilChanged#comparator comparator}` to check that emitted\n * changes are only in one direction. Let's say you only want to get\n * the next record temperature:\n *\n * ```ts\n * import { of, distinctUntilChanged } from 'rxjs';\n *\n * const temps$ = of(30, 31, 20, 34, 33, 29, 35, 20);\n *\n * const recordHighs$ = temps$.pipe(\n *   distinctUntilChanged((prevHigh, temp) => {\n *     // If the current temp is less than\n *     // or the same as the previous record,\n *     // the record hasn't changed.\n *     return temp <= prevHigh;\n *   })\n * );\n *\n * recordHighs$.subscribe(console.log);\n * // Logs: 30, 31, 34, 35\n * ```\n *\n * Selecting update events only when the `updatedBy` field shows\n * the account changed hands.\n *\n * ```ts\n * import { of, distinctUntilChanged } from 'rxjs';\n *\n * // A stream of updates to a given account\n * const accountUpdates$ = of(\n *   { updatedBy: 'blesh', data: [] },\n *   { updatedBy: 'blesh', data: [] },\n *   { updatedBy: 'ncjamieson', data: [] },\n *   { updatedBy: 'ncjamieson', data: [] },\n *   { updatedBy: 'blesh', data: [] }\n * );\n *\n * // We only want the events where it changed hands\n * const changedHands$ = accountUpdates$.pipe(\n *   distinctUntilChanged(undefined, update => update.updatedBy)\n * );\n *\n * changedHands$.subscribe(console.log);\n * // Logs:\n * // { updatedBy: 'blesh', data: Array[0] }\n * // { updatedBy: 'ncjamieson', data: Array[0] }\n * // { updatedBy: 'blesh', data: Array[0] }\n * ```\n *\n * @see {@link distinct}\n * @see {@link distinctUntilKeyChanged}\n *\n * @param comparator A function used to compare the previous and current keys for\n * equality. Defaults to a `===` check.\n * @param keySelector Used to select a key value to be passed to the `comparator`.\n *\n * @return A function that returns an Observable that emits items from the\n * source Observable with distinct values.\n */\nexport function distinctUntilChanged<T, K>(\n  comparator?: (previous: K, current: K) => boolean,\n  keySelector: (value: T) => K = identity as (value: T) => K\n): MonoTypeOperatorFunction<T> {\n  // We've been allowing `null` do be passed as the `compare`, so we can't do\n  // a default value for the parameter, because that will only work\n  // for `undefined`.\n  comparator = comparator ?? defaultCompare;\n\n  return operate((source, subscriber) => {\n    // The previous key, used to compare against keys selected\n    // from new arrivals to determine \"distinctiveness\".\n    let previousKey: K;\n    // Whether or not this is the first value we've gotten.\n    let first = true;\n\n    source.subscribe(\n      createOperatorSubscriber(subscriber, (value) => {\n        // We always call the key selector.\n        const currentKey = keySelector(value);\n\n        // If it's the first value, we always emit it.\n        // Otherwise, we compare this key to the previous key, and\n        // if the comparer returns false, we emit.\n        if (first || !comparator!(previousKey, currentKey)) {\n          // Update our state *before* we emit the value\n          // as emission can be the source of re-entrant code\n          // in functional libraries like this. We only really\n          // need to do this if it's the first value, or if the\n          // key we're tracking in previous needs to change.\n          first = false;\n          previousKey = currentKey;\n\n          // Emit the value!\n          subscriber.next(value);\n        }\n      })\n    );\n  });\n}\n\nfunction defaultCompare(a: any, b: any) {\n  return a === b;\n}\n", "import { distinctUntilChanged } from './distinctUntilChanged';\nimport { MonoTypeOperatorFunction } from '../types';\n\nexport function distinctUntilKeyChanged<T>(key: keyof T): MonoTypeOperatorFunction<T>;\nexport function distinctUntilKeyChanged<T, K extends keyof T>(key: K, compare: (x: T[K], y: T[K]) => boolean): MonoTypeOperatorFunction<T>;\n\n/**\n * Returns an Observable that emits all items emitted by the source Observable that\n * are distinct by comparison from the previous item, using a property accessed by\n * using the key provided to check if the two items are distinct.\n *\n * If a comparator function is provided, then it will be called for each item to\n * test for whether that value should be emitted or not.\n *\n * If a comparator function is not provided, an equality check is used by default.\n *\n * ## Examples\n *\n * An example comparing the name of persons\n *\n * ```ts\n * import { of, distinctUntilKeyChanged } from 'rxjs';\n *\n * of(\n *   { age: 4, name: 'Foo' },\n *   { age: 7, name: 'Bar' },\n *   { age: 5, name: 'Foo' },\n *   { age: 6, name: 'Foo' }\n * ).pipe(\n *   distinctUntilKeyChanged('name')\n * )\n * .subscribe(x => console.log(x));\n *\n * // displays:\n * // { age: 4, name: 'Foo' }\n * // { age: 7, name: 'Bar' }\n * // { age: 5, name: 'Foo' }\n * ```\n *\n * An example comparing the first letters of the name\n *\n * ```ts\n * import { of, distinctUntilKeyChanged } from 'rxjs';\n *\n * of(\n *   { age: 4, name: 'Foo1' },\n *   { age: 7, name: 'Bar' },\n *   { age: 5, name: 'Foo2' },\n *   { age: 6, name: 'Foo3' }\n * ).pipe(\n *   distinctUntilKeyChanged('name', (x, y) => x.substring(0, 3) === y.substring(0, 3))\n * )\n * .subscribe(x => console.log(x));\n *\n * // displays:\n * // { age: 4, name: 'Foo1' }\n * // { age: 7, name: 'Bar' }\n * // { age: 5, name: 'Foo2' }\n * ```\n *\n * @see {@link distinct}\n * @see {@link distinctUntilChanged}\n *\n * @param key String key for object property lookup on each item.\n * @param compare Optional comparison function called to test if an item is distinct\n * from the previous item in the source.\n * @return A function that returns an Observable that emits items from the source\n * Observable with distinct values based on the key specified.\n */\nexport function distinctUntilKeyChanged<T, K extends keyof T>(\n  key: K,\n  compare?: (x: T[K], y: T[K]) => boolean\n): MonoTypeOperatorFunction<T> {\n  return distinctUntilChanged((x: T, y: T) => (compare ? compare(x[key], y[key]) : x[key] === y[key]));\n}\n", "import { EmptyError } from '../util/EmptyError';\nimport { MonoTypeOperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * If the source observable completes without emitting a value, it will emit\n * an error. The error will be created at that time by the optional\n * `errorFactory` argument, otherwise, the error will be {@link EmptyError}.\n *\n * ![](throwIfEmpty.png)\n *\n * ## Example\n *\n * Throw an error if the document wasn't clicked within 1 second\n *\n * ```ts\n * import { fromEvent, takeUntil, timer, throwIfEmpty } from 'rxjs';\n *\n * const click$ = fromEvent(document, 'click');\n *\n * click$.pipe(\n *   takeUntil(timer(1000)),\n *   throwIfEmpty(() => new Error('The document was not clicked within 1 second'))\n * )\n * .subscribe({\n *   next() {\n *    console.log('The document was clicked');\n *   },\n *   error(err) {\n *     console.error(err.message);\n *   }\n * });\n * ```\n *\n * @param errorFactory A factory function called to produce the\n * error to be thrown when the source observable completes without emitting a\n * value.\n * @return A function that returns an Observable that throws an error if the\n * source Observable completed without emitting.\n */\nexport function throwIfEmpty<T>(errorFactory: () => any = defaultErrorFactory): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    let hasValue = false;\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => {\n          hasValue = true;\n          subscriber.next(value);\n        },\n        () => (hasValue ? subscriber.complete() : subscriber.error(errorFactory()))\n      )\n    );\n  });\n}\n\nfunction defaultErrorFactory() {\n  return new EmptyError();\n}\n", "/** prettier */\nimport { Observable } from '../Observable';\nimport { concat } from '../observable/concat';\nimport { of } from '../observable/of';\nimport { MonoTypeOperatorFunction, SchedulerLike, OperatorFunction, ValueFromArray } from '../types';\n\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `concatAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function endWith<T>(scheduler: SchedulerLike): MonoTypeOperatorFunction<T>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `concatAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function endWith<T, A extends unknown[] = T[]>(\n  ...valuesAndScheduler: [...A, SchedulerLike]\n): OperatorFunction<T, T | ValueFromArray<A>>;\n\nexport function endWith<T, A extends unknown[] = T[]>(...values: A): OperatorFunction<T, T | ValueFromArray<A>>;\n\n/**\n * Returns an observable that will emit all values from the source, then synchronously emit\n * the provided value(s) immediately after the source completes.\n *\n * NOTE: Passing a last argument of a Scheduler is _deprecated_, and may result in incorrect\n * types in TypeScript.\n *\n * This is useful for knowing when an observable ends. Particularly when paired with an\n * operator like {@link takeUntil}\n *\n * ![](endWith.png)\n *\n * ## Example\n *\n * Emit values to know when an interval starts and stops. The interval will\n * stop when a user clicks anywhere on the document.\n *\n * ```ts\n * import { interval, map, fromEvent, startWith, takeUntil, endWith } from 'rxjs';\n *\n * const ticker$ = interval(5000).pipe(\n *   map(() => 'tick')\n * );\n *\n * const documentClicks$ = fromEvent(document, 'click');\n *\n * ticker$.pipe(\n *   startWith('interval started'),\n *   takeUntil(documentClicks$),\n *   endWith('interval ended by click')\n * )\n * .subscribe(x => console.log(x));\n *\n * // Result (assuming a user clicks after 15 seconds)\n * // 'interval started'\n * // 'tick'\n * // 'tick'\n * // 'tick'\n * // 'interval ended by click'\n * ```\n *\n * @see {@link startWith}\n * @see {@link concat}\n * @see {@link takeUntil}\n *\n * @param values Items you want the modified Observable to emit last.\n * @return A function that returns an Observable that emits all values from the\n * source, then synchronously emits the provided value(s) immediately after the\n * source completes.\n */\nexport function endWith<T>(...values: Array<T | SchedulerLike>): MonoTypeOperatorFunction<T> {\n  return (source: Observable<T>) => concat(source, of(...values)) as Observable<T>;\n}\n", "import { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { ObservableInput, OperatorFunction, ObservedValueOf } from '../types';\nimport { map } from './map';\nimport { innerFrom } from '../observable/innerFrom';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/* tslint:disable:max-line-length */\nexport function exhaustMap<T, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O\n): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated The `resultSelector` parameter will be removed in v8. Use an inner `map` instead. Details: https://rxjs.dev/deprecations/resultSelector */\nexport function exhaustMap<T, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector: undefined\n): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated The `resultSelector` parameter will be removed in v8. Use an inner `map` instead. Details: https://rxjs.dev/deprecations/resultSelector */\nexport function exhaustMap<T, I, R>(\n  project: (value: T, index: number) => ObservableInput<I>,\n  resultSelector: (outerValue: T, innerValue: I, outerIndex: number, innerIndex: number) => R\n): OperatorFunction<T, R>;\n/* tslint:enable:max-line-length */\n\n/**\n * Projects each source value to an Observable which is merged in the output\n * Observable only if the previous projected Observable has completed.\n *\n * <span class=\"informal\">Maps each value to an Observable, then flattens all of\n * these inner Observables using {@link exhaustAll}.</span>\n *\n * ![](exhaustMap.png)\n *\n * Returns an Observable that emits items based on applying a function that you\n * supply to each item emitted by the source Observable, where that function\n * returns an (so-called \"inner\") Observable. When it projects a source value to\n * an Observable, the output Observable begins emitting the items emitted by\n * that projected Observable. However, `exhaustMap` ignores every new projected\n * Observable if the previous projected Observable has not yet completed. Once\n * that one completes, it will accept and flatten the next projected Observable\n * and repeat this process.\n *\n * ## Example\n *\n * Run a finite timer for each click, only if there is no currently active timer\n *\n * ```ts\n * import { fromEvent, exhaustMap, interval, take } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(\n *   exhaustMap(() => interval(1000).pipe(take(5)))\n * );\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link concatMap}\n * @see {@link exhaust}\n * @see {@link mergeMap}\n * @see {@link switchMap}\n *\n * @param project A function that, when applied to an item emitted by the source\n * Observable, returns an Observable.\n * @return A function that returns an Observable containing projected\n * Observables of each item of the source, ignoring projected Observables that\n * start before their preceding Observable has completed.\n */\nexport function exhaustMap<T, R, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector?: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R\n): OperatorFunction<T, ObservedValueOf<O> | R> {\n  if (resultSelector) {\n    // DEPRECATED PATH\n    return (source: Observable<T>) =>\n      source.pipe(exhaustMap((a, i) => innerFrom(project(a, i)).pipe(map((b: any, ii: any) => resultSelector(a, b, i, ii)))));\n  }\n  return operate((source, subscriber) => {\n    let index = 0;\n    let innerSub: Subscriber<T> | null = null;\n    let isComplete = false;\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (outerValue) => {\n          if (!innerSub) {\n            innerSub = createOperatorSubscriber(subscriber, undefined, () => {\n              innerSub = null;\n              isComplete && subscriber.complete();\n            });\n            innerFrom(project(outerValue, index++)).subscribe(innerSub);\n          }\n        },\n        () => {\n          isComplete = true;\n          !innerSub && subscriber.complete();\n        }\n      )\n    );\n  });\n}\n", "import { MonoTypeOperatorFunction } from '../types';\nimport { operate } from '../util/lift';\n\n/**\n * Returns an Observable that mirrors the source Observable, but will call a specified function when\n * the source terminates on complete or error.\n * The specified function will also be called when the subscriber explicitly unsubscribes.\n *\n * ## Examples\n *\n * Execute callback function when the observable completes\n *\n * ```ts\n * import { interval, take, finalize } from 'rxjs';\n *\n * // emit value in sequence every 1 second\n * const source = interval(1000);\n * const example = source.pipe(\n *   take(5), //take only the first 5 values\n *   finalize(() => console.log('Sequence complete')) // Execute when the observable completes\n * );\n * const subscribe = example.subscribe(val => console.log(val));\n *\n * // results:\n * // 0\n * // 1\n * // 2\n * // 3\n * // 4\n * // 'Sequence complete'\n * ```\n *\n * Execute callback function when the subscriber explicitly unsubscribes\n *\n * ```ts\n * import { interval, finalize, tap, noop, timer } from 'rxjs';\n *\n * const source = interval(100).pipe(\n *   finalize(() => console.log('[finalize] Called')),\n *   tap({\n *     next: () => console.log('[next] Called'),\n *     error: () => console.log('[error] Not called'),\n *     complete: () => console.log('[tap complete] Not called')\n *   })\n * );\n *\n * const sub = source.subscribe({\n *   next: x => console.log(x),\n *   error: noop,\n *   complete: () => console.log('[complete] Not called')\n * });\n *\n * timer(150).subscribe(() => sub.unsubscribe());\n *\n * // results:\n * // '[next] Called'\n * // 0\n * // '[finalize] Called'\n * ```\n *\n * @param callback Function to be called when source terminates.\n * @return A function that returns an Observable that mirrors the source, but\n * will call the specified function on termination.\n */\nexport function finalize<T>(callback: () => void): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    // TODO: This try/finally was only added for `useDeprecatedSynchronousErrorHandling`.\n    // REMOVE THIS WHEN THAT HOT GARBAGE IS REMOVED IN V8.\n    try {\n      source.subscribe(subscriber);\n    } finally {\n      subscriber.add(callback);\n    }\n  });\n}\n", "import { Observable } from '../Observable';\nimport { EmptyError } from '../util/EmptyError';\nimport { OperatorFunction, TruthyTypesOf } from '../types';\nimport { filter } from './filter';\nimport { take } from './take';\nimport { defaultIfEmpty } from './defaultIfEmpty';\nimport { throwIfEmpty } from './throwIfEmpty';\nimport { identity } from '../util/identity';\n\nexport function first<T, D = T>(predicate?: null, defaultValue?: D): OperatorFunction<T, T | D>;\nexport function first<T>(predicate: BooleanConstructor): OperatorFunction<T, TruthyTypesOf<T>>;\nexport function first<T, D>(predicate: BooleanConstructor, defaultValue: D): OperatorFunction<T, TruthyTypesOf<T> | D>;\nexport function first<T, S extends T>(\n  predicate: (value: T, index: number, source: Observable<T>) => value is S,\n  defaultValue?: S\n): OperatorFunction<T, S>;\nexport function first<T, S extends T, D>(\n  predicate: (value: T, index: number, source: Observable<T>) => value is S,\n  defaultValue: D\n): OperatorFunction<T, S | D>;\nexport function first<T, D = T>(\n  predicate: (value: T, index: number, source: Observable<T>) => boolean,\n  defaultValue?: D\n): OperatorFunction<T, T | D>;\n\n/**\n * Emits only the first value (or the first value that meets some condition)\n * emitted by the source Observable.\n *\n * <span class=\"informal\">Emits only the first value. Or emits only the first\n * value that passes some test.</span>\n *\n * ![](first.png)\n *\n * If called with no arguments, `first` emits the first value of the source\n * Observable, then completes. If called with a `predicate` function, `first`\n * emits the first value of the source that matches the specified condition. Emits an error\n * notification if `defaultValue` was not provided and a matching element is not found.\n *\n * ## Examples\n *\n * Emit only the first click that happens on the DOM\n *\n * ```ts\n * import { fromEvent, first } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(first());\n * result.subscribe(x => console.log(x));\n * ```\n *\n * Emits the first click that happens on a DIV\n *\n * ```ts\n * import { fromEvent, first } from 'rxjs';\n *\n * const div = document.createElement('div');\n * div.style.cssText = 'width: 200px; height: 200px; background: #09c;';\n * document.body.appendChild(div);\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(first(ev => (<HTMLElement>ev.target).tagName === 'DIV'));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link filter}\n * @see {@link find}\n * @see {@link take}\n * @see {@link last}\n *\n * @throws {EmptyError} Delivers an `EmptyError` to the Observer's `error`\n * callback if the Observable completes before any `next` notification was sent.\n * This is how `first()` is different from `take(1)` which completes instead.\n *\n * @param predicate An optional function called with each item to test for condition\n * matching.\n * @param defaultValue The default value emitted in case no valid value was found on\n * the source.\n * @return A function that returns an Observable that emits the first item that\n * matches the condition.\n */\nexport function first<T, D>(\n  predicate?: ((value: T, index: number, source: Observable<T>) => boolean) | null,\n  defaultValue?: D\n): OperatorFunction<T, T | D> {\n  const hasDefaultValue = arguments.length >= 2;\n  return (source: Observable<T>) =>\n    source.pipe(\n      predicate ? filter((v, i) => predicate(v, i, source)) : identity,\n      take(1),\n      hasDefaultValue ? defaultIfEmpty(defaultValue!) : throwIfEmpty(() => new EmptyError())\n    );\n}\n", "import { EMPTY } from '../observable/empty';\nimport { MonoTypeOperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * Waits for the source to complete, then emits the last N values from the source,\n * as specified by the `count` argument.\n *\n * ![](takeLast.png)\n *\n * `takeLast` results in an observable that will hold values up to `count` values in memory,\n * until the source completes. It then pushes all values in memory to the consumer, in the\n * order they were received from the source, then notifies the consumer that it is\n * complete.\n *\n * If for some reason the source completes before the `count` supplied to `takeLast` is reached,\n * all values received until that point are emitted, and then completion is notified.\n *\n * **Warning**: Using `takeLast` with an observable that never completes will result\n * in an observable that never emits a value.\n *\n * ## Example\n *\n * Take the last 3 values of an Observable with many values\n *\n * ```ts\n * import { range, takeLast } from 'rxjs';\n *\n * const many = range(1, 100);\n * const lastThree = many.pipe(takeLast(3));\n * lastThree.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link take}\n * @see {@link takeUntil}\n * @see {@link takeWhile}\n * @see {@link skip}\n *\n * @param count The maximum number of values to emit from the end of\n * the sequence of values emitted by the source Observable.\n * @return A function that returns an Observable that emits at most the last\n * `count` values emitted by the source Observable.\n */\nexport function takeLast<T>(count: number): MonoTypeOperatorFunction<T> {\n  return count <= 0\n    ? () => EMPTY\n    : operate((source, subscriber) => {\n        // This buffer will hold the values we are going to emit\n        // when the source completes. Since we only want to take the\n        // last N values, we can't emit until we're sure we're not getting\n        // any more values.\n        let buffer: T[] = [];\n        source.subscribe(\n          createOperatorSubscriber(\n            subscriber,\n            (value) => {\n              // Add the most recent value onto the end of our buffer.\n              buffer.push(value);\n              // If our buffer is now larger than the number of values we\n              // want to take, we remove the oldest value from the buffer.\n              count < buffer.length && buffer.shift();\n            },\n            () => {\n              // The source completed, we now know what are last values\n              // are, emit them in the order they were received.\n              for (const value of buffer) {\n                subscriber.next(value);\n              }\n              subscriber.complete();\n            },\n            // Errors are passed through to the consumer\n            undefined,\n            () => {\n              // During finalization release the values in our buffer.\n              buffer = null!;\n            }\n          )\n        );\n      });\n}\n", "import { ObservableInput, ObservableInputTuple, OperatorFunction, SchedulerLike } from '../types';\nimport { operate } from '../util/lift';\nimport { mergeAll } from './mergeAll';\nimport { popNumber, popScheduler } from '../util/args';\nimport { from } from '../observable/from';\n\n/** @deprecated Replaced with {@link mergeWith}. Will be removed in v8. */\nexport function merge<T, A extends readonly unknown[]>(...sources: [...ObservableInputTuple<A>]): OperatorFunction<T, T | A[number]>;\n/** @deprecated Replaced with {@link mergeWith}. Will be removed in v8. */\nexport function merge<T, A extends readonly unknown[]>(\n  ...sourcesAndConcurrency: [...ObservableInputTuple<A>, number]\n): OperatorFunction<T, T | A[number]>;\n/** @deprecated Replaced with {@link mergeWith}. Will be removed in v8. */\nexport function merge<T, A extends readonly unknown[]>(\n  ...sourcesAndScheduler: [...ObservableInputTuple<A>, SchedulerLike]\n): OperatorFunction<T, T | A[number]>;\n/** @deprecated Replaced with {@link mergeWith}. Will be removed in v8. */\nexport function merge<T, A extends readonly unknown[]>(\n  ...sourcesAndConcurrencyAndScheduler: [...ObservableInputTuple<A>, number, SchedulerLike]\n): OperatorFunction<T, T | A[number]>;\n\nexport function merge<T>(...args: unknown[]): OperatorFunction<T, unknown> {\n  const scheduler = popScheduler(args);\n  const concurrent = popNumber(args, Infinity);\n\n  return operate((source, subscriber) => {\n    mergeAll(concurrent)(from([source, ...(args as ObservableInput<T>[])], scheduler)).subscribe(subscriber);\n  });\n}\n", "import { ObservableInputTuple, OperatorFunction } from '../types';\nimport { merge } from './merge';\n\n/**\n * Merge the values from all observables to a single observable result.\n *\n * Creates an observable, that when subscribed to, subscribes to the source\n * observable, and all other sources provided as arguments. All values from\n * every source are emitted from the resulting subscription.\n *\n * When all sources complete, the resulting observable will complete.\n *\n * When any source errors, the resulting observable will error.\n *\n * ## Example\n *\n * Joining all outputs from multiple user input event streams\n *\n * ```ts\n * import { fromEvent, map, mergeWith } from 'rxjs';\n *\n * const clicks$ = fromEvent(document, 'click').pipe(map(() => 'click'));\n * const mousemoves$ = fromEvent(document, 'mousemove').pipe(map(() => 'mousemove'));\n * const dblclicks$ = fromEvent(document, 'dblclick').pipe(map(() => 'dblclick'));\n *\n * mousemoves$\n *   .pipe(mergeWith(clicks$, dblclicks$))\n *   .subscribe(x => console.log(x));\n *\n * // result (assuming user interactions)\n * // 'mousemove'\n * // 'mousemove'\n * // 'mousemove'\n * // 'click'\n * // 'click'\n * // 'dblclick'\n * ```\n *\n * @see {@link merge}\n *\n * @param otherSources the sources to combine the current source with.\n * @return A function that returns an Observable that merges the values from\n * all given Observables.\n */\nexport function mergeWith<T, A extends readonly unknown[]>(\n  ...otherSources: [...ObservableInputTuple<A>]\n): OperatorFunction<T, T | A[number]> {\n  return merge(...otherSources);\n}\n", "import { Subscription } from '../Subscription';\nimport { EMPTY } from '../observable/empty';\nimport { operate } from '../util/lift';\nimport { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\nimport { timer } from '../observable/timer';\n\nexport interface RepeatConfig {\n  /**\n   * The number of times to repeat the source. Defaults to `Infinity`.\n   */\n  count?: number;\n\n  /**\n   * If a `number`, will delay the repeat of the source by that number of milliseconds.\n   * If a function, it will provide the number of times the source has been subscribed to,\n   * and the return value should be a valid observable input that will notify when the source\n   * should be repeated. If the notifier observable is empty, the result will complete.\n   */\n  delay?: number | ((count: number) => ObservableInput<any>);\n}\n\n/**\n * Returns an Observable that will resubscribe to the source stream when the source stream completes.\n *\n * <span class=\"informal\">Repeats all values emitted on the source. It's like {@link retry}, but for non error cases.</span>\n *\n * ![](repeat.png)\n *\n * Repeat will output values from a source until the source completes, then it will resubscribe to the\n * source a specified number of times, with a specified delay. Repeat can be particularly useful in\n * combination with closing operators like {@link take}, {@link takeUntil}, {@link first}, or {@link takeWhile},\n * as it can be used to restart a source again from scratch.\n *\n * Repeat is very similar to {@link retry}, where {@link retry} will resubscribe to the source in the error case, but\n * `repeat` will resubscribe if the source completes.\n *\n * Note that `repeat` will _not_ catch errors. Use {@link retry} for that.\n *\n * - `repeat(0)` returns an empty observable\n * - `repeat()` will repeat forever\n * - `repeat({ delay: 200 })` will repeat forever, with a delay of 200ms between repetitions.\n * - `repeat({ count: 2, delay: 400 })` will repeat twice, with a delay of 400ms between repetitions.\n * - `repeat({ delay: (count) => timer(count * 1000) })` will repeat forever, but will have a delay that grows by one second for each repetition.\n *\n * ## Example\n *\n * Repeat a message stream\n *\n * ```ts\n * import { of, repeat } from 'rxjs';\n *\n * const source = of('Repeat message');\n * const result = source.pipe(repeat(3));\n *\n * result.subscribe(x => console.log(x));\n *\n * // Results\n * // 'Repeat message'\n * // 'Repeat message'\n * // 'Repeat message'\n * ```\n *\n * Repeat 3 values, 2 times\n *\n * ```ts\n * import { interval, take, repeat } from 'rxjs';\n *\n * const source = interval(1000);\n * const result = source.pipe(take(3), repeat(2));\n *\n * result.subscribe(x => console.log(x));\n *\n * // Results every second\n * // 0\n * // 1\n * // 2\n * // 0\n * // 1\n * // 2\n * ```\n *\n * Defining two complex repeats with delays on the same source.\n * Note that the second repeat cannot be called until the first\n * repeat as exhausted it's count.\n *\n * ```ts\n * import { defer, of, repeat } from 'rxjs';\n *\n * const source = defer(() => {\n *    return of(`Hello, it is ${new Date()}`)\n * });\n *\n * source.pipe(\n *    // Repeat 3 times with a delay of 1 second between repetitions\n *    repeat({\n *      count: 3,\n *      delay: 1000,\n *    }),\n *\n *    // *Then* repeat forever, but with an exponential step-back\n *    // maxing out at 1 minute.\n *    repeat({\n *      delay: (count) => timer(Math.min(60000, 2 ^ count * 1000))\n *    })\n * )\n * ```\n *\n * @see {@link repeatWhen}\n * @see {@link retry}\n *\n * @param countOrConfig Either the number of times the source Observable items are repeated\n * (a count of 0 will yield an empty Observable) or a {@link RepeatConfig} object.\n */\nexport function repeat<T>(countOrConfig?: number | RepeatConfig): MonoTypeOperatorFunction<T> {\n  let count = Infinity;\n  let delay: RepeatConfig['delay'];\n\n  if (countOrConfig != null) {\n    if (typeof countOrConfig === 'object') {\n      ({ count = Infinity, delay } = countOrConfig);\n    } else {\n      count = countOrConfig;\n    }\n  }\n\n  return count <= 0\n    ? () => EMPTY\n    : operate((source, subscriber) => {\n        let soFar = 0;\n        let sourceSub: Subscription | null;\n\n        const resubscribe = () => {\n          sourceSub?.unsubscribe();\n          sourceSub = null;\n          if (delay != null) {\n            const notifier = typeof delay === 'number' ? timer(delay) : innerFrom(delay(soFar));\n            const notifierSubscriber = createOperatorSubscriber(subscriber, () => {\n              notifierSubscriber.unsubscribe();\n              subscribeToSource();\n            });\n            notifier.subscribe(notifierSubscriber);\n          } else {\n            subscribeToSource();\n          }\n        };\n\n        const subscribeToSource = () => {\n          let syncUnsub = false;\n          sourceSub = source.subscribe(\n            createOperatorSubscriber(subscriber, undefined, () => {\n              if (++soFar < count) {\n                if (sourceSub) {\n                  resubscribe();\n                } else {\n                  syncUnsub = true;\n                }\n              } else {\n                subscriber.complete();\n              }\n            })\n          );\n\n          if (syncUnsub) {\n            resubscribe();\n          }\n        };\n\n        subscribeToSource();\n      });\n}\n", "import { OperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { scanInternals } from './scanInternals';\n\nexport function scan<V, A = V>(accumulator: (acc: A | V, value: V, index: number) => A): OperatorFunction<V, V | A>;\nexport function scan<V, A>(accumulator: (acc: A, value: V, index: number) => A, seed: A): OperatorFunction<V, A>;\nexport function scan<V, A, S>(accumulator: (acc: A | S, value: V, index: number) => A, seed: S): OperatorFunction<V, A>;\n\n// TODO: link to a \"redux pattern\" section in the guide (location TBD)\n\n/**\n * Useful for encapsulating and managing state. Applies an accumulator (or \"reducer function\")\n * to each value from the source after an initial state is established -- either via\n * a `seed` value (second argument), or from the first value from the source.\n *\n * <span class=\"informal\">It's like {@link reduce}, but emits the current\n * accumulation state after each update</span>\n *\n * ![](scan.png)\n *\n * This operator maintains an internal state and emits it after processing each value as follows:\n *\n * 1. First value arrives\n *   - If a `seed` value was supplied (as the second argument to `scan`), let `state = seed` and `value = firstValue`.\n *   - If NO `seed` value was supplied (no second argument), let `state = firstValue` and go to 3.\n * 2. Let `state = accumulator(state, value)`.\n *   - If an error is thrown by `accumulator`, notify the consumer of an error. The process ends.\n * 3. Emit `state`.\n * 4. Next value arrives, let `value = nextValue`, go to 2.\n *\n * ## Examples\n *\n * An average of previous numbers. This example shows how\n * not providing a `seed` can prime the stream with the\n * first value from the source.\n *\n * ```ts\n * import { of, scan, map } from 'rxjs';\n *\n * const numbers$ = of(1, 2, 3);\n *\n * numbers$\n *   .pipe(\n *     // Get the sum of the numbers coming in.\n *     scan((total, n) => total + n),\n *     // Get the average by dividing the sum by the total number\n *     // received so far (which is 1 more than the zero-based index).\n *     map((sum, index) => sum / (index + 1))\n *   )\n *   .subscribe(console.log);\n * ```\n *\n * The Fibonacci sequence. This example shows how you can use\n * a seed to prime accumulation process. Also... you know... Fibonacci.\n * So important to like, computers and stuff that its whiteboarded\n * in job interviews. Now you can show them the Rx version! (Please don't, haha)\n *\n * ```ts\n * import { interval, scan, map, startWith } from 'rxjs';\n *\n * const firstTwoFibs = [0, 1];\n * // An endless stream of Fibonacci numbers.\n * const fibonacci$ = interval(1000).pipe(\n *   // Scan to get the fibonacci numbers (after 0, 1)\n *   scan(([a, b]) => [b, a + b], firstTwoFibs),\n *   // Get the second number in the tuple, it's the one you calculated\n *   map(([, n]) => n),\n *   // Start with our first two digits :)\n *   startWith(...firstTwoFibs)\n * );\n *\n * fibonacci$.subscribe(console.log);\n * ```\n *\n * @see {@link expand}\n * @see {@link mergeScan}\n * @see {@link reduce}\n * @see {@link switchScan}\n *\n * @param accumulator A \"reducer function\". This will be called for each value after an initial state is\n * acquired.\n * @param seed The initial state. If this is not provided, the first value from the source will\n * be used as the initial state, and emitted without going through the accumulator. All subsequent values\n * will be processed by the accumulator function. If this is provided, all values will go through\n * the accumulator function.\n * @return A function that returns an Observable of the accumulated values.\n */\nexport function scan<V, A, S>(accumulator: (acc: V | A | S, value: V, index: number) => A, seed?: S): OperatorFunction<V, V | A> {\n  // providing a seed of `undefined` *should* be valid and trigger\n  // hasSeed! so don't use `seed !== undefined` checks!\n  // For this reason, we have to check it here at the original call site\n  // otherwise inside Operator/Subscriber we won't know if `undefined`\n  // means they didn't provide anything or if they literally provided `undefined`\n  return operate(scanInternals(accumulator, seed as S, arguments.length >= 2, true));\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { Subject } from '../Subject';\nimport { SafeSubscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { MonoTypeOperatorFunction, SubjectLike, ObservableInput } from '../types';\nimport { operate } from '../util/lift';\n\nexport interface ShareConfig<T> {\n  /**\n   * The factory used to create the subject that will connect the source observable to\n   * multicast consumers.\n   */\n  connector?: () => SubjectLike<T>;\n  /**\n   * If `true`, the resulting observable will reset internal state on error from source and return to a \"cold\" state. This\n   * allows the resulting observable to be \"retried\" in the event of an error.\n   * If `false`, when an error comes from the source it will push the error into the connecting subject, and the subject\n   * will remain the connecting subject, meaning the resulting observable will not go \"cold\" again, and subsequent retries\n   * or resubscriptions will resubscribe to that same subject. In all cases, RxJS subjects will emit the same error again, however\n   * {@link ReplaySubject} will also push its buffered values before pushing the error.\n   * It is also possible to pass a notifier factory returning an `ObservableInput` instead which grants more fine-grained\n   * control over how and when the reset should happen. This allows behaviors like conditional or delayed resets.\n   */\n  resetOnError?: boolean | ((error: any) => ObservableInput<any>);\n  /**\n   * If `true`, the resulting observable will reset internal state on completion from source and return to a \"cold\" state. This\n   * allows the resulting observable to be \"repeated\" after it is done.\n   * If `false`, when the source completes, it will push the completion through the connecting subject, and the subject\n   * will remain the connecting subject, meaning the resulting observable will not go \"cold\" again, and subsequent repeats\n   * or resubscriptions will resubscribe to that same subject.\n   * It is also possible to pass a notifier factory returning an `ObservableInput` instead which grants more fine-grained\n   * control over how and when the reset should happen. This allows behaviors like conditional or delayed resets.\n   */\n  resetOnComplete?: boolean | (() => ObservableInput<any>);\n  /**\n   * If `true`, when the number of subscribers to the resulting observable reaches zero due to those subscribers unsubscribing, the\n   * internal state will be reset and the resulting observable will return to a \"cold\" state. This means that the next\n   * time the resulting observable is subscribed to, a new subject will be created and the source will be subscribed to\n   * again.\n   * If `false`, when the number of subscribers to the resulting observable reaches zero due to unsubscription, the subject\n   * will remain connected to the source, and new subscriptions to the result will be connected through that same subject.\n   * It is also possible to pass a notifier factory returning an `ObservableInput` instead which grants more fine-grained\n   * control over how and when the reset should happen. This allows behaviors like conditional or delayed resets.\n   */\n  resetOnRefCountZero?: boolean | (() => ObservableInput<any>);\n}\n\nexport function share<T>(): MonoTypeOperatorFunction<T>;\n\nexport function share<T>(options: ShareConfig<T>): MonoTypeOperatorFunction<T>;\n\n/**\n * Returns a new Observable that multicasts (shares) the original Observable. As long as there is at least one\n * Subscriber this Observable will be subscribed and emitting data. When all subscribers have unsubscribed it will\n * unsubscribe from the source Observable. Because the Observable is multicasting it makes the stream `hot`.\n * This is an alias for `multicast(() => new Subject()), refCount()`.\n *\n * The subscription to the underlying source Observable can be reset (unsubscribe and resubscribe for new subscribers),\n * if the subscriber count to the shared observable drops to 0, or if the source Observable errors or completes. It is\n * possible to use notifier factories for the resets to allow for behaviors like conditional or delayed resets. Please\n * note that resetting on error or complete of the source Observable does not behave like a transparent retry or restart\n * of the source because the error or complete will be forwarded to all subscribers and their subscription will be\n * closed. Only new subscribers after a reset on error or complete happened will cause a fresh subscription to the\n * source. To achieve transparent retries or restarts pipe the source through appropriate operators before sharing.\n *\n * ![](share.png)\n *\n * ## Example\n *\n * Generate new multicast Observable from the `source` Observable value\n *\n * ```ts\n * import { interval, tap, map, take, share } from 'rxjs';\n *\n * const source = interval(1000).pipe(\n *   tap(x => console.log('Processing: ', x)),\n *   map(x => x * x),\n *   take(6),\n *   share()\n * );\n *\n * source.subscribe(x => console.log('subscription 1: ', x));\n * source.subscribe(x => console.log('subscription 2: ', x));\n *\n * // Logs:\n * // Processing: 0\n * // subscription 1: 0\n * // subscription 2: 0\n * // Processing: 1\n * // subscription 1: 1\n * // subscription 2: 1\n * // Processing: 2\n * // subscription 1: 4\n * // subscription 2: 4\n * // Processing: 3\n * // subscription 1: 9\n * // subscription 2: 9\n * // Processing: 4\n * // subscription 1: 16\n * // subscription 2: 16\n * // Processing: 5\n * // subscription 1: 25\n * // subscription 2: 25\n * ```\n *\n * ## Example with notifier factory: Delayed reset\n *\n * ```ts\n * import { interval, take, share, timer } from 'rxjs';\n *\n * const source = interval(1000).pipe(\n *   take(3),\n *   share({\n *     resetOnRefCountZero: () => timer(1000)\n *   })\n * );\n *\n * const subscriptionOne = source.subscribe(x => console.log('subscription 1: ', x));\n * setTimeout(() => subscriptionOne.unsubscribe(), 1300);\n *\n * setTimeout(() => source.subscribe(x => console.log('subscription 2: ', x)), 1700);\n *\n * setTimeout(() => source.subscribe(x => console.log('subscription 3: ', x)), 5000);\n *\n * // Logs:\n * // subscription 1:  0\n * // (subscription 1 unsubscribes here)\n * // (subscription 2 subscribes here ~400ms later, source was not reset)\n * // subscription 2:  1\n * // subscription 2:  2\n * // (subscription 2 unsubscribes here)\n * // (subscription 3 subscribes here ~2000ms later, source did reset before)\n * // subscription 3:  0\n * // subscription 3:  1\n * // subscription 3:  2\n * ```\n *\n * @see {@link shareReplay}\n *\n * @return A function that returns an Observable that mirrors the source.\n */\nexport function share<T>(options: ShareConfig<T> = {}): MonoTypeOperatorFunction<T> {\n  const { connector = () => new Subject<T>(), resetOnError = true, resetOnComplete = true, resetOnRefCountZero = true } = options;\n  // It's necessary to use a wrapper here, as the _operator_ must be\n  // referentially transparent. Otherwise, it cannot be used in calls to the\n  // static `pipe` function - to create a partial pipeline.\n  //\n  // The _operator function_ - the function returned by the _operator_ - will\n  // not be referentially transparent - as it shares its source - but the\n  // _operator function_ is called when the complete pipeline is composed via a\n  // call to a source observable's `pipe` method - not when the static `pipe`\n  // function is called.\n  return (wrapperSource) => {\n    let connection: SafeSubscriber<T> | undefined;\n    let resetConnection: Subscription | undefined;\n    let subject: SubjectLike<T> | undefined;\n    let refCount = 0;\n    let hasCompleted = false;\n    let hasErrored = false;\n\n    const cancelReset = () => {\n      resetConnection?.unsubscribe();\n      resetConnection = undefined;\n    };\n    // Used to reset the internal state to a \"cold\"\n    // state, as though it had never been subscribed to.\n    const reset = () => {\n      cancelReset();\n      connection = subject = undefined;\n      hasCompleted = hasErrored = false;\n    };\n    const resetAndUnsubscribe = () => {\n      // We need to capture the connection before\n      // we reset (if we need to reset).\n      const conn = connection;\n      reset();\n      conn?.unsubscribe();\n    };\n\n    return operate<T, T>((source, subscriber) => {\n      refCount++;\n      if (!hasErrored && !hasCompleted) {\n        cancelReset();\n      }\n\n      // Create the subject if we don't have one yet. Grab a local reference to\n      // it as well, which avoids non-null assertions when using it and, if we\n      // connect to it now, then error/complete need a reference after it was\n      // reset.\n      const dest = (subject = subject ?? connector());\n\n      // Add the finalization directly to the subscriber - instead of returning it -\n      // so that the handling of the subscriber's unsubscription will be wired\n      // up _before_ the subscription to the source occurs. This is done so that\n      // the assignment to the source connection's `closed` property will be seen\n      // by synchronous firehose sources.\n      subscriber.add(() => {\n        refCount--;\n\n        // If we're resetting on refCount === 0, and it's 0, we only want to do\n        // that on \"unsubscribe\", really. Resetting on error or completion is a different\n        // configuration.\n        if (refCount === 0 && !hasErrored && !hasCompleted) {\n          resetConnection = handleReset(resetAndUnsubscribe, resetOnRefCountZero);\n        }\n      });\n\n      // The following line adds the subscription to the subscriber passed.\n      // Basically, `subscriber === dest.subscribe(subscriber)` is `true`.\n      dest.subscribe(subscriber);\n\n      if (\n        !connection &&\n        // Check this shareReplay is still activate - it can be reset to 0\n        // and be \"unsubscribed\" _before_ it actually subscribes.\n        // If we were to subscribe then, it'd leak and get stuck.\n        refCount > 0\n      ) {\n        // We need to create a subscriber here - rather than pass an observer and\n        // assign the returned subscription to connection - because it's possible\n        // for reentrant subscriptions to the shared observable to occur and in\n        // those situations we want connection to be already-assigned so that we\n        // don't create another connection to the source.\n        connection = new SafeSubscriber({\n          next: (value) => dest.next(value),\n          error: (err) => {\n            hasErrored = true;\n            cancelReset();\n            resetConnection = handleReset(reset, resetOnError, err);\n            dest.error(err);\n          },\n          complete: () => {\n            hasCompleted = true;\n            cancelReset();\n            resetConnection = handleReset(reset, resetOnComplete);\n            dest.complete();\n          },\n        });\n        innerFrom(source).subscribe(connection);\n      }\n    })(wrapperSource);\n  };\n}\n\nfunction handleReset<T extends unknown[] = never[]>(\n  reset: () => void,\n  on: boolean | ((...args: T) => ObservableInput<any>),\n  ...args: T\n): Subscription | undefined {\n  if (on === true) {\n    reset();\n    return;\n  }\n\n  if (on === false) {\n    return;\n  }\n\n  const onSubscriber = new SafeSubscriber({\n    next: () => {\n      onSubscriber.unsubscribe();\n      reset();\n    },\n  });\n\n  return innerFrom(on(...args)).subscribe(onSubscriber);\n}\n", "import { ReplaySubject } from '../ReplaySubject';\nimport { MonoTypeOperatorFunction, SchedulerLike } from '../types';\nimport { share } from './share';\n\nexport interface ShareReplayConfig {\n  bufferSize?: number;\n  windowTime?: number;\n  refCount: boolean;\n  scheduler?: SchedulerLike;\n}\n\nexport function shareReplay<T>(config: ShareReplayConfig): MonoTypeOperatorFunction<T>;\nexport function shareReplay<T>(bufferSize?: number, windowTime?: number, scheduler?: SchedulerLike): MonoTypeOperatorFunction<T>;\n\n/**\n * Share source and replay specified number of emissions on subscription.\n *\n * This operator is a specialization of `replay` that connects to a source observable\n * and multicasts through a `ReplaySubject` constructed with the specified arguments.\n * A successfully completed source will stay cached in the `shareReplay`ed observable forever,\n * but an errored source can be retried.\n *\n * ## Why use `shareReplay`?\n *\n * You generally want to use `shareReplay` when you have side-effects or taxing computations\n * that you do not wish to be executed amongst multiple subscribers.\n * It may also be valuable in situations where you know you will have late subscribers to\n * a stream that need access to previously emitted values.\n * This ability to replay values on subscription is what differentiates {@link share} and `shareReplay`.\n *\n * ## Reference counting\n *\n * By default `shareReplay` will use `refCount` of false, meaning that it will _not_ unsubscribe the\n * source when the reference counter drops to zero, i.e. the inner `ReplaySubject` will _not_ be unsubscribed\n * (and potentially run for ever).\n * This is the default as it is expected that `shareReplay` is often used to keep around expensive to setup\n * observables which we want to keep running instead of having to do the expensive setup again.\n *\n * As of RXJS version 6.4.0 a new overload signature was added to allow for manual control over what\n * happens when the operators internal reference counter drops to zero.\n * If `refCount` is true, the source will be unsubscribed from once the reference count drops to zero, i.e.\n * the inner `ReplaySubject` will be unsubscribed. All new subscribers will receive value emissions from a\n * new `ReplaySubject` which in turn will cause a new subscription to the source observable.\n *\n * ## Examples\n *\n * Example with a third subscriber coming late to the party\n *\n * ```ts\n * import { interval, take, shareReplay } from 'rxjs';\n *\n * const shared$ = interval(2000).pipe(\n *   take(6),\n *   shareReplay(3)\n * );\n *\n * shared$.subscribe(x => console.log('sub A: ', x));\n * shared$.subscribe(y => console.log('sub B: ', y));\n *\n * setTimeout(() => {\n *   shared$.subscribe(y => console.log('sub C: ', y));\n * }, 11000);\n *\n * // Logs:\n * // (after ~2000 ms)\n * // sub A: 0\n * // sub B: 0\n * // (after ~4000 ms)\n * // sub A: 1\n * // sub B: 1\n * // (after ~6000 ms)\n * // sub A: 2\n * // sub B: 2\n * // (after ~8000 ms)\n * // sub A: 3\n * // sub B: 3\n * // (after ~10000 ms)\n * // sub A: 4\n * // sub B: 4\n * // (after ~11000 ms, sub C gets the last 3 values)\n * // sub C: 2\n * // sub C: 3\n * // sub C: 4\n * // (after ~12000 ms)\n * // sub A: 5\n * // sub B: 5\n * // sub C: 5\n * ```\n *\n * Example for `refCount` usage\n *\n * ```ts\n * import { Observable, tap, interval, shareReplay, take } from 'rxjs';\n *\n * const log = <T>(name: string, source: Observable<T>) => source.pipe(\n *   tap({\n *     subscribe: () => console.log(`${ name }: subscribed`),\n *     next: value => console.log(`${ name }: ${ value }`),\n *     complete: () => console.log(`${ name }: completed`),\n *     finalize: () => console.log(`${ name }: unsubscribed`)\n *   })\n * );\n *\n * const obs$ = log('source', interval(1000));\n *\n * const shared$ = log('shared', obs$.pipe(\n *   shareReplay({ bufferSize: 1, refCount: true }),\n *   take(2)\n * ));\n *\n * shared$.subscribe(x => console.log('sub A: ', x));\n * shared$.subscribe(y => console.log('sub B: ', y));\n *\n * // PRINTS:\n * // shared: subscribed <-- reference count = 1\n * // source: subscribed\n * // shared: subscribed <-- reference count = 2\n * // source: 0\n * // shared: 0\n * // sub A: 0\n * // shared: 0\n * // sub B: 0\n * // source: 1\n * // shared: 1\n * // sub A: 1\n * // shared: completed <-- take(2) completes the subscription for sub A\n * // shared: unsubscribed <-- reference count = 1\n * // shared: 1\n * // sub B: 1\n * // shared: completed <-- take(2) completes the subscription for sub B\n * // shared: unsubscribed <-- reference count = 0\n * // source: unsubscribed <-- replaySubject unsubscribes from source observable because the reference count dropped to 0 and refCount is true\n *\n * // In case of refCount being false, the unsubscribe is never called on the source and the source would keep on emitting, even if no subscribers\n * // are listening.\n * // source: 2\n * // source: 3\n * // source: 4\n * // ...\n * ```\n *\n * @see {@link publish}\n * @see {@link share}\n * @see {@link publishReplay}\n *\n * @param configOrBufferSize Maximum element count of the replay buffer or {@link ShareReplayConfig configuration}\n * object.\n * @param windowTime Maximum time length of the replay buffer in milliseconds.\n * @param scheduler Scheduler where connected observers within the selector function\n * will be invoked on.\n * @return A function that returns an Observable sequence that contains the\n * elements of a sequence produced by multicasting the source sequence within a\n * selector function.\n */\nexport function shareReplay<T>(\n  configOrBufferSize?: ShareReplayConfig | number,\n  windowTime?: number,\n  scheduler?: SchedulerLike\n): MonoTypeOperatorFunction<T> {\n  let bufferSize: number;\n  let refCount = false;\n  if (configOrBufferSize && typeof configOrBufferSize === 'object') {\n    ({ bufferSize = Infinity, windowTime = Infinity, refCount = false, scheduler } = configOrBufferSize);\n  } else {\n    bufferSize = (configOrBufferSize ?? Infinity) as number;\n  }\n  return share<T>({\n    connector: () => new ReplaySubject(bufferSize, windowTime, scheduler),\n    resetOnError: true,\n    resetOnComplete: false,\n    resetOnRefCountZero: refCount,\n  });\n}\n", "import { MonoTypeOperatorFunction } from '../types';\nimport { filter } from './filter';\n\n/**\n * Returns an Observable that skips the first `count` items emitted by the source Observable.\n *\n * ![](skip.png)\n *\n * Skips the values until the sent notifications are equal or less than provided skip count. It raises\n * an error if skip count is equal or more than the actual number of emits and source raises an error.\n *\n * ## Example\n *\n * Skip the values before the emission\n *\n * ```ts\n * import { interval, skip } from 'rxjs';\n *\n * // emit every half second\n * const source = interval(500);\n * // skip the first 10 emitted values\n * const result = source.pipe(skip(10));\n *\n * result.subscribe(value => console.log(value));\n * // output: 10...11...12...13...\n * ```\n *\n * @see {@link last}\n * @see {@link skipWhile}\n * @see {@link skipUntil}\n * @see {@link skipLast}\n *\n * @param count The number of times, items emitted by source Observable should be skipped.\n * @return A function that returns an Observable that skips the first `count`\n * values emitted by the source Observable.\n */\nexport function skip<T>(count: number): MonoTypeOperatorFunction<T> {\n  return filter((_, index) => count <= index);\n}\n", "import { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\nimport { noop } from '../util/noop';\n\n/**\n * Returns an Observable that skips items emitted by the source Observable until a second Observable emits an item.\n *\n * The `skipUntil` operator causes the observable stream to skip the emission of values until the passed in observable\n * emits the first value. This can be particularly useful in combination with user interactions, responses of HTTP\n * requests or waiting for specific times to pass by.\n *\n * ![](skipUntil.png)\n *\n * Internally, the `skipUntil` operator subscribes to the passed in `notifier` `ObservableInput` (which gets converted\n * to an Observable) in order to recognize the emission of its first value. When `notifier` emits next, the operator\n * unsubscribes from it and starts emitting the values of the *source* observable until it completes or errors. It\n * will never let the *source* observable emit any values if the `notifier` completes or throws an error without\n * emitting a value before.\n *\n * ## Example\n *\n * In the following example, all emitted values of the interval observable are skipped until the user clicks anywhere\n * within the page\n *\n * ```ts\n * import { interval, fromEvent, skipUntil } from 'rxjs';\n *\n * const intervalObservable = interval(1000);\n * const click = fromEvent(document, 'click');\n *\n * const emitAfterClick = intervalObservable.pipe(\n *   skipUntil(click)\n * );\n * // clicked at 4.6s. output: 5...6...7...8........ or\n * // clicked at 7.3s. output: 8...9...10..11.......\n * emitAfterClick.subscribe(value => console.log(value));\n * ```\n *\n * @see {@link last}\n * @see {@link skip}\n * @see {@link skipWhile}\n * @see {@link skipLast}\n *\n * @param notifier An `ObservableInput` that has to emit an item before the source Observable elements begin to\n * be mirrored by the resulting Observable.\n * @return A function that returns an Observable that skips items from the\n * source Observable until the `notifier` Observable emits an item, then emits the\n * remaining items.\n */\nexport function skipUntil<T>(notifier: ObservableInput<any>): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    let taking = false;\n\n    const skipSubscriber = createOperatorSubscriber(\n      subscriber,\n      () => {\n        skipSubscriber?.unsubscribe();\n        taking = true;\n      },\n      noop\n    );\n\n    innerFrom(notifier).subscribe(skipSubscriber);\n\n    source.subscribe(createOperatorSubscriber(subscriber, (value) => taking && subscriber.next(value)));\n  });\n}\n", "import { concat } from '../observable/concat';\nimport { OperatorFunction, SchedulerLike, ValueFromArray } from '../types';\nimport { popScheduler } from '../util/args';\nimport { operate } from '../util/lift';\n\n// Devs are more likely to pass null or undefined than they are a scheduler\n// without accompanying values. To make things easier for (naughty) devs who\n// use the `strictNullChecks: false` TypeScript compiler option, these\n// overloads with explicit null and undefined values are included.\n\nexport function startWith<T>(value: null): OperatorFunction<T, T | null>;\nexport function startWith<T>(value: undefined): OperatorFunction<T, T | undefined>;\n\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `concatAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function startWith<T, A extends readonly unknown[] = T[]>(\n  ...valuesAndScheduler: [...A, SchedulerLike]\n): OperatorFunction<T, T | ValueFromArray<A>>;\nexport function startWith<T, A extends readonly unknown[] = T[]>(...values: A): OperatorFunction<T, T | ValueFromArray<A>>;\n\n/**\n * Returns an observable that, at the moment of subscription, will synchronously emit all\n * values provided to this operator, then subscribe to the source and mirror all of its emissions\n * to subscribers.\n *\n * This is a useful way to know when subscription has occurred on an existing observable.\n *\n * <span class=\"informal\">First emits its arguments in order, and then any\n * emissions from the source.</span>\n *\n * ![](startWith.png)\n *\n * ## Examples\n *\n * Emit a value when a timer starts.\n *\n * ```ts\n * import { timer, map, startWith } from 'rxjs';\n *\n * timer(1000)\n *   .pipe(\n *     map(() => 'timer emit'),\n *     startWith('timer start')\n *   )\n *   .subscribe(x => console.log(x));\n *\n * // results:\n * // 'timer start'\n * // 'timer emit'\n * ```\n *\n * @param values Items you want the modified Observable to emit first.\n * @return A function that returns an Observable that synchronously emits\n * provided values before subscribing to the source Observable.\n *\n * @see {@link endWith}\n * @see {@link finalize}\n * @see {@link concat}\n */\nexport function startWith<T, D>(...values: D[]): OperatorFunction<T, T | D> {\n  const scheduler = popScheduler(values);\n  return operate((source, subscriber) => {\n    // Here we can't pass `undefined` as a scheduler, because if we did, the\n    // code inside of `concat` would be confused by the `undefined`, and treat it\n    // like an invalid observable. So we have to split it two different ways.\n    (scheduler ? concat(values, source, scheduler) : concat(values, source)).subscribe(subscriber);\n  });\n}\n", "import { Subscriber } from '../Subscriber';\nimport { ObservableInput, OperatorFunction, ObservedValueOf } from '../types';\nimport { innerFrom } from '../observable/innerFrom';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/* tslint:disable:max-line-length */\nexport function switchMap<T, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O\n): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated The `resultSelector` parameter will be removed in v8. Use an inner `map` instead. Details: https://rxjs.dev/deprecations/resultSelector */\nexport function switchMap<T, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector: undefined\n): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated The `resultSelector` parameter will be removed in v8. Use an inner `map` instead. Details: https://rxjs.dev/deprecations/resultSelector */\nexport function switchMap<T, R, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R\n): OperatorFunction<T, R>;\n/* tslint:enable:max-line-length */\n\n/**\n * Projects each source value to an Observable which is merged in the output\n * Observable, emitting values only from the most recently projected Observable.\n *\n * <span class=\"informal\">Maps each value to an Observable, then flattens all of\n * these inner Observables using {@link switchAll}.</span>\n *\n * ![](switchMap.png)\n *\n * Returns an Observable that emits items based on applying a function that you\n * supply to each item emitted by the source Observable, where that function\n * returns an (so-called \"inner\") Observable. Each time it observes one of these\n * inner Observables, the output Observable begins emitting the items emitted by\n * that inner Observable. When a new inner Observable is emitted, `switchMap`\n * stops emitting items from the earlier-emitted inner Observable and begins\n * emitting items from the new one. It continues to behave like this for\n * subsequent inner Observables.\n *\n * ## Example\n *\n * Generate new Observable according to source Observable values\n *\n * ```ts\n * import { of, switchMap } from 'rxjs';\n *\n * const switched = of(1, 2, 3).pipe(switchMap(x => of(x, x ** 2, x ** 3)));\n * switched.subscribe(x => console.log(x));\n * // outputs\n * // 1\n * // 1\n * // 1\n * // 2\n * // 4\n * // 8\n * // 3\n * // 9\n * // 27\n * ```\n *\n * Restart an interval Observable on every click event\n *\n * ```ts\n * import { fromEvent, switchMap, interval } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(switchMap(() => interval(1000)));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link concatMap}\n * @see {@link exhaustMap}\n * @see {@link mergeMap}\n * @see {@link switchAll}\n * @see {@link switchMapTo}\n *\n * @param project A function that, when applied to an item emitted by the source\n * Observable, returns an Observable.\n * @return A function that returns an Observable that emits the result of\n * applying the projection function (and the optional deprecated\n * `resultSelector`) to each item emitted by the source Observable and taking\n * only the values from the most recently projected inner Observable.\n */\nexport function switchMap<T, R, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector?: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R\n): OperatorFunction<T, ObservedValueOf<O> | R> {\n  return operate((source, subscriber) => {\n    let innerSubscriber: Subscriber<ObservedValueOf<O>> | null = null;\n    let index = 0;\n    // Whether or not the source subscription has completed\n    let isComplete = false;\n\n    // We only complete the result if the source is complete AND we don't have an active inner subscription.\n    // This is called both when the source completes and when the inners complete.\n    const checkComplete = () => isComplete && !innerSubscriber && subscriber.complete();\n\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => {\n          // Cancel the previous inner subscription if there was one\n          innerSubscriber?.unsubscribe();\n          let innerIndex = 0;\n          const outerIndex = index++;\n          // Start the next inner subscription\n          innerFrom(project(value, outerIndex)).subscribe(\n            (innerSubscriber = createOperatorSubscriber(\n              subscriber,\n              // When we get a new inner value, next it through. Note that this is\n              // handling the deprecate result selector here. This is because with this architecture\n              // it ends up being smaller than using the map operator.\n              (innerValue) => subscriber.next(resultSelector ? resultSelector(value, innerValue, outerIndex, innerIndex++) : innerValue),\n              () => {\n                // The inner has completed. Null out the inner subscriber to\n                // free up memory and to signal that we have no inner subscription\n                // currently.\n                innerSubscriber = null!;\n                checkComplete();\n              }\n            ))\n          );\n        },\n        () => {\n          isComplete = true;\n          checkComplete();\n        }\n      )\n    );\n  });\n}\n", "import { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\nimport { noop } from '../util/noop';\n\n/**\n * Emits the values emitted by the source Observable until a `notifier`\n * Observable emits a value.\n *\n * <span class=\"informal\">Lets values pass until a second Observable,\n * `notifier`, emits a value. Then, it completes.</span>\n *\n * ![](takeUntil.png)\n *\n * `takeUntil` subscribes and begins mirroring the source Observable. It also\n * monitors a second Observable, `notifier` that you provide. If the `notifier`\n * emits a value, the output Observable stops mirroring the source Observable\n * and completes. If the `notifier` doesn't emit any value and completes\n * then `takeUntil` will pass all values.\n *\n * ## Example\n *\n * Tick every second until the first click happens\n *\n * ```ts\n * import { interval, fromEvent, takeUntil } from 'rxjs';\n *\n * const source = interval(1000);\n * const clicks = fromEvent(document, 'click');\n * const result = source.pipe(takeUntil(clicks));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link take}\n * @see {@link takeLast}\n * @see {@link takeWhile}\n * @see {@link skip}\n *\n * @param notifier The `ObservableInput` whose first emitted value will cause the output\n * Observable of `takeUntil` to stop emitting values from the source Observable.\n * @return A function that returns an Observable that emits the values from the\n * source Observable until `notifier` emits its first value.\n */\nexport function takeUntil<T>(notifier: ObservableInput<any>): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    innerFrom(notifier).subscribe(createOperatorSubscriber(subscriber, () => subscriber.complete(), noop));\n    !subscriber.closed && source.subscribe(subscriber);\n  });\n}\n", "import { OperatorFunction, MonoTypeOperatorFunction, TruthyTypesOf } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\nexport function takeWhile<T>(predicate: BooleanConstructor, inclusive: true): MonoTypeOperatorFunction<T>;\nexport function takeWhile<T>(predicate: BooleanConstructor, inclusive: false): OperatorFunction<T, TruthyTypesOf<T>>;\nexport function takeWhile<T>(predicate: BooleanConstructor): OperatorFunction<T, TruthyTypesOf<T>>;\nexport function takeWhile<T, S extends T>(predicate: (value: T, index: number) => value is S): OperatorFunction<T, S>;\nexport function takeWhile<T, S extends T>(predicate: (value: T, index: number) => value is S, inclusive: false): OperatorFunction<T, S>;\nexport function takeWhile<T>(predicate: (value: T, index: number) => boolean, inclusive?: boolean): MonoTypeOperatorFunction<T>;\n\n/**\n * Emits values emitted by the source Observable so long as each value satisfies\n * the given `predicate`, and then completes as soon as this `predicate` is not\n * satisfied.\n *\n * <span class=\"informal\">Takes values from the source only while they pass the\n * condition given. When the first value does not satisfy, it completes.</span>\n *\n * ![](takeWhile.png)\n *\n * `takeWhile` subscribes and begins mirroring the source Observable. Each value\n * emitted on the source is given to the `predicate` function which returns a\n * boolean, representing a condition to be satisfied by the source values. The\n * output Observable emits the source values until such time as the `predicate`\n * returns false, at which point `takeWhile` stops mirroring the source\n * Observable and completes the output Observable.\n *\n * ## Example\n *\n * Emit click events only while the clientX property is greater than 200\n *\n * ```ts\n * import { fromEvent, takeWhile } from 'rxjs';\n *\n * const clicks = fromEvent<PointerEvent>(document, 'click');\n * const result = clicks.pipe(takeWhile(ev => ev.clientX > 200));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link take}\n * @see {@link takeLast}\n * @see {@link takeUntil}\n * @see {@link skip}\n *\n * @param predicate A function that evaluates a value emitted by the source\n * Observable and returns a boolean. Also takes the (zero-based) index as the\n * second argument.\n * @param inclusive When set to `true` the value that caused `predicate` to\n * return `false` will also be emitted.\n * @return A function that returns an Observable that emits values from the\n * source Observable so long as each value satisfies the condition defined by\n * the `predicate`, then completes.\n */\nexport function takeWhile<T>(predicate: (value: T, index: number) => boolean, inclusive = false): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    let index = 0;\n    source.subscribe(\n      createOperatorSubscriber(subscriber, (value) => {\n        const result = predicate(value, index++);\n        (result || inclusive) && subscriber.next(value);\n        !result && subscriber.complete();\n      })\n    );\n  });\n}\n", "import { MonoTypeOperatorFunction, Observer } from '../types';\nimport { isFunction } from '../util/isFunction';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { identity } from '../util/identity';\n\n/**\n * An extension to the {@link Observer} interface used only by the {@link tap} operator.\n *\n * It provides a useful set of callbacks a user can register to do side-effects in\n * cases other than what the usual {@link Observer} callbacks are\n * ({@link guide/glossary-and-semantics#next next},\n * {@link guide/glossary-and-semantics#error error} and/or\n * {@link guide/glossary-and-semantics#complete complete}).\n *\n * ## Example\n *\n * ```ts\n * import { fromEvent, switchMap, tap, interval, take } from 'rxjs';\n *\n * const source$ = fromEvent(document, 'click');\n * const result$ = source$.pipe(\n *   switchMap((_, i) => i % 2 === 0\n *     ? fromEvent(document, 'mousemove').pipe(\n *         tap({\n *           subscribe: () => console.log('Subscribed to the mouse move events after click #' + i),\n *           unsubscribe: () => console.log('Mouse move events #' + i + ' unsubscribed'),\n *           finalize: () => console.log('Mouse move events #' + i + ' finalized')\n *         })\n *       )\n *     : interval(1_000).pipe(\n *         take(5),\n *         tap({\n *           subscribe: () => console.log('Subscribed to the 1-second interval events after click #' + i),\n *           unsubscribe: () => console.log('1-second interval events #' + i + ' unsubscribed'),\n *           finalize: () => console.log('1-second interval events #' + i + ' finalized')\n *         })\n *       )\n *   )\n * );\n *\n * const subscription = result$.subscribe({\n *   next: console.log\n * });\n *\n * setTimeout(() => {\n *   console.log('Unsubscribe after 60 seconds');\n *   subscription.unsubscribe();\n * }, 60_000);\n * ```\n */\nexport interface TapObserver<T> extends Observer<T> {\n  /**\n   * The callback that `tap` operator invokes at the moment when the source Observable\n   * gets subscribed to.\n   */\n  subscribe: () => void;\n  /**\n   * The callback that `tap` operator invokes when an explicit\n   * {@link guide/glossary-and-semantics#unsubscription unsubscribe} happens. It won't get invoked on\n   * `error` or `complete` events.\n   */\n  unsubscribe: () => void;\n  /**\n   * The callback that `tap` operator invokes when any kind of\n   * {@link guide/glossary-and-semantics#finalization finalization} happens - either when\n   * the source Observable `error`s or `complete`s or when it gets explicitly unsubscribed\n   * by the user. There is no difference in using this callback or the {@link finalize}\n   * operator, but if you're already using `tap` operator, you can use this callback\n   * instead. You'd get the same result in either case.\n   */\n  finalize: () => void;\n}\nexport function tap<T>(observerOrNext?: Partial<TapObserver<T>> | ((value: T) => void)): MonoTypeOperatorFunction<T>;\n/** @deprecated Instead of passing separate callback arguments, use an observer argument. Signatures taking separate callback arguments will be removed in v8. Details: https://rxjs.dev/deprecations/subscribe-arguments */\nexport function tap<T>(\n  next?: ((value: T) => void) | null,\n  error?: ((error: any) => void) | null,\n  complete?: (() => void) | null\n): MonoTypeOperatorFunction<T>;\n\n/**\n * Used to perform side-effects for notifications from the source observable\n *\n * <span class=\"informal\">Used when you want to affect outside state with a notification without altering the notification</span>\n *\n * ![](tap.png)\n *\n * Tap is designed to allow the developer a designated place to perform side effects. While you _could_ perform side-effects\n * inside of a `map` or a `mergeMap`, that would make their mapping functions impure, which isn't always a big deal, but will\n * make it so you can't do things like memoize those functions. The `tap` operator is designed solely for such side-effects to\n * help you remove side-effects from other operations.\n *\n * For any notification, next, error, or complete, `tap` will call the appropriate callback you have provided to it, via a function\n * reference, or a partial observer, then pass that notification down the stream.\n *\n * The observable returned by `tap` is an exact mirror of the source, with one exception: Any error that occurs -- synchronously -- in a handler\n * provided to `tap` will be emitted as an error from the returned observable.\n *\n * > Be careful! You can mutate objects as they pass through the `tap` operator's handlers.\n *\n * The most common use of `tap` is actually for debugging. You can place a `tap(console.log)` anywhere\n * in your observable `pipe`, log out the notifications as they are emitted by the source returned by the previous\n * operation.\n *\n * ## Examples\n *\n * Check a random number before it is handled. Below is an observable that will use a random number between 0 and 1,\n * and emit `'big'` or `'small'` depending on the size of that number. But we wanted to log what the original number\n * was, so we have added a `tap(console.log)`.\n *\n * ```ts\n * import { of, tap, map } from 'rxjs';\n *\n * of(Math.random()).pipe(\n *   tap(console.log),\n *   map(n => n > 0.5 ? 'big' : 'small')\n * ).subscribe(console.log);\n * ```\n *\n * Using `tap` to analyze a value and force an error. Below is an observable where in our system we only\n * want to emit numbers 3 or less we get from another source. We can force our observable to error\n * using `tap`.\n *\n * ```ts\n * import { of, tap } from 'rxjs';\n *\n * const source = of(1, 2, 3, 4, 5);\n *\n * source.pipe(\n *   tap(n => {\n *     if (n > 3) {\n *       throw new TypeError(`Value ${ n } is greater than 3`);\n *     }\n *   })\n * )\n * .subscribe({ next: console.log, error: err => console.log(err.message) });\n * ```\n *\n * We want to know when an observable completes before moving on to the next observable. The system\n * below will emit a random series of `'X'` characters from 3 different observables in sequence. The\n * only way we know when one observable completes and moves to the next one, in this case, is because\n * we have added a `tap` with the side effect of logging to console.\n *\n * ```ts\n * import { of, concatMap, interval, take, map, tap } from 'rxjs';\n *\n * of(1, 2, 3).pipe(\n *   concatMap(n => interval(1000).pipe(\n *     take(Math.round(Math.random() * 10)),\n *     map(() => 'X'),\n *     tap({ complete: () => console.log(`Done with ${ n }`) })\n *   ))\n * )\n * .subscribe(console.log);\n * ```\n *\n * @see {@link finalize}\n * @see {@link TapObserver}\n *\n * @param observerOrNext A next handler or partial observer\n * @param error An error handler\n * @param complete A completion handler\n * @return A function that returns an Observable identical to the source, but\n * runs the specified Observer or callback(s) for each item.\n */\nexport function tap<T>(\n  observerOrNext?: Partial<TapObserver<T>> | ((value: T) => void) | null,\n  error?: ((e: any) => void) | null,\n  complete?: (() => void) | null\n): MonoTypeOperatorFunction<T> {\n  // We have to check to see not only if next is a function,\n  // but if error or complete were passed. This is because someone\n  // could technically call tap like `tap(null, fn)` or `tap(null, null, fn)`.\n  const tapObserver =\n    isFunction(observerOrNext) || error || complete\n      ? // tslint:disable-next-line: no-object-literal-type-assertion\n        ({ next: observerOrNext as Exclude<typeof observerOrNext, Partial<TapObserver<T>>>, error, complete } as Partial<TapObserver<T>>)\n      : observerOrNext;\n\n  return tapObserver\n    ? operate((source, subscriber) => {\n        tapObserver.subscribe?.();\n        let isUnsub = true;\n        source.subscribe(\n          createOperatorSubscriber(\n            subscriber,\n            (value) => {\n              tapObserver.next?.(value);\n              subscriber.next(value);\n            },\n            () => {\n              isUnsub = false;\n              tapObserver.complete?.();\n              subscriber.complete();\n            },\n            (err) => {\n              isUnsub = false;\n              tapObserver.error?.(err);\n              subscriber.error(err);\n            },\n            () => {\n              if (isUnsub) {\n                tapObserver.unsubscribe?.();\n              }\n              tapObserver.finalize?.();\n            }\n          )\n        );\n      })\n    : // Tap was called with no valid tap observer or handler\n      // (e.g. `tap(null, null, null)` or `tap(null)` or `tap()`)\n      // so we're going to just mirror the source.\n      identity;\n}\n", "import { Subscription } from '../Subscription';\n\nimport { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\n\n/**\n * An object interface used by {@link throttle} or {@link throttleTime} that ensure\n * configuration options of these operators.\n *\n * @see {@link throttle}\n * @see {@link throttleTime}\n */\nexport interface ThrottleConfig {\n  /**\n   * If `true`, the resulting Observable will emit the first value from the source\n   * Observable at the **start** of the \"throttling\" process (when starting an\n   * internal timer that prevents other emissions from the source to pass through).\n   * If `false`, it will not emit the first value from the source Observable at the\n   * start of the \"throttling\" process.\n   *\n   * If not provided, defaults to: `true`.\n   */\n  leading?: boolean;\n  /**\n   * If `true`, the resulting Observable will emit the last value from the source\n   * Observable at the **end** of the \"throttling\" process (when ending an internal\n   * timer that prevents other emissions from the source to pass through).\n   * If `false`, it will not emit the last value from the source Observable at the\n   * end of the \"throttling\" process.\n   *\n   * If not provided, defaults to: `false`.\n   */\n  trailing?: boolean;\n}\n\n/**\n * Emits a value from the source Observable, then ignores subsequent source\n * values for a duration determined by another Observable, then repeats this\n * process.\n *\n * <span class=\"informal\">It's like {@link throttleTime}, but the silencing\n * duration is determined by a second Observable.</span>\n *\n * ![](throttle.svg)\n *\n * `throttle` emits the source Observable values on the output Observable\n * when its internal timer is disabled, and ignores source values when the timer\n * is enabled. Initially, the timer is disabled. As soon as the first source\n * value arrives, it is forwarded to the output Observable, and then the timer\n * is enabled by calling the `durationSelector` function with the source value,\n * which returns the \"duration\" Observable. When the duration Observable emits a\n * value, the timer is disabled, and this process repeats for the\n * next source value.\n *\n * ## Example\n *\n * Emit clicks at a rate of at most one click per second\n *\n * ```ts\n * import { fromEvent, throttle, interval } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(throttle(() => interval(1000)));\n *\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link audit}\n * @see {@link debounce}\n * @see {@link delayWhen}\n * @see {@link sample}\n * @see {@link throttleTime}\n *\n * @param durationSelector A function that receives a value from the source\n * Observable, for computing the silencing duration for each source value,\n * returned as an `ObservableInput`.\n * @param config A configuration object to define `leading` and `trailing`\n * behavior. Defaults to `{ leading: true, trailing: false }`.\n * @return A function that returns an Observable that performs the throttle\n * operation to limit the rate of emissions from the source.\n */\nexport function throttle<T>(durationSelector: (value: T) => ObservableInput<any>, config?: ThrottleConfig): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    const { leading = true, trailing = false } = config ?? {};\n    let hasValue = false;\n    let sendValue: T | null = null;\n    let throttled: Subscription | null = null;\n    let isComplete = false;\n\n    const endThrottling = () => {\n      throttled?.unsubscribe();\n      throttled = null;\n      if (trailing) {\n        send();\n        isComplete && subscriber.complete();\n      }\n    };\n\n    const cleanupThrottling = () => {\n      throttled = null;\n      isComplete && subscriber.complete();\n    };\n\n    const startThrottle = (value: T) =>\n      (throttled = innerFrom(durationSelector(value)).subscribe(createOperatorSubscriber(subscriber, endThrottling, cleanupThrottling)));\n\n    const send = () => {\n      if (hasValue) {\n        // Ensure we clear out our value and hasValue flag\n        // before we emit, otherwise reentrant code can cause\n        // issues here.\n        hasValue = false;\n        const value = sendValue!;\n        sendValue = null;\n        // Emit the value.\n        subscriber.next(value);\n        !isComplete && startThrottle(value);\n      }\n    };\n\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        // Regarding the presence of throttled.closed in the following\n        // conditions, if a synchronous duration selector is specified - weird,\n        // but legal - an already-closed subscription will be assigned to\n        // throttled, so the subscription's closed property needs to be checked,\n        // too.\n        (value) => {\n          hasValue = true;\n          sendValue = value;\n          !(throttled && !throttled.closed) && (leading ? send() : startThrottle(value));\n        },\n        () => {\n          isComplete = true;\n          !(trailing && hasValue && throttled && !throttled.closed) && subscriber.complete();\n        }\n      )\n    );\n  });\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { throttle, ThrottleConfig } from './throttle';\nimport { MonoTypeOperatorFunction, SchedulerLike } from '../types';\nimport { timer } from '../observable/timer';\n\n/**\n * Emits a value from the source Observable, then ignores subsequent source\n * values for `duration` milliseconds, then repeats this process.\n *\n * <span class=\"informal\">Lets a value pass, then ignores source values for the\n * next `duration` milliseconds.</span>\n *\n * ![](throttleTime.png)\n *\n * `throttleTime` emits the source Observable values on the output Observable\n * when its internal timer is disabled, and ignores source values when the timer\n * is enabled. Initially, the timer is disabled. As soon as the first source\n * value arrives, it is forwarded to the output Observable, and then the timer\n * is enabled. After `duration` milliseconds (or the time unit determined\n * internally by the optional `scheduler`) has passed, the timer is disabled,\n * and this process repeats for the next source value. Optionally takes a\n * {@link SchedulerLike} for managing timers.\n *\n * ## Examples\n *\n * ### Limit click rate\n *\n * Emit clicks at a rate of at most one click per second\n *\n * ```ts\n * import { fromEvent, throttleTime } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(throttleTime(1000));\n *\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link auditTime}\n * @see {@link debounceTime}\n * @see {@link delay}\n * @see {@link sampleTime}\n * @see {@link throttle}\n *\n * @param duration Time to wait before emitting another value after\n * emitting the last value, measured in milliseconds or the time unit determined\n * internally by the optional `scheduler`.\n * @param scheduler The {@link SchedulerLike} to use for\n * managing the timers that handle the throttling. Defaults to {@link asyncScheduler}.\n * @param config A configuration object to define `leading` and\n * `trailing` behavior. Defaults to `{ leading: true, trailing: false }`.\n * @return A function that returns an Observable that performs the throttle\n * operation to limit the rate of emissions from the source.\n */\nexport function throttleTime<T>(\n  duration: number,\n  scheduler: SchedulerLike = asyncScheduler,\n  config?: ThrottleConfig\n): MonoTypeOperatorFunction<T> {\n  const duration$ = timer(duration, scheduler);\n  return throttle(() => duration$, config);\n}\n", "import { OperatorFunction, ObservableInputTuple } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\nimport { identity } from '../util/identity';\nimport { noop } from '../util/noop';\nimport { popResultSelector } from '../util/args';\n\nexport function withLatestFrom<T, O extends unknown[]>(...inputs: [...ObservableInputTuple<O>]): OperatorFunction<T, [T, ...O]>;\n\nexport function withLatestFrom<T, O extends unknown[], R>(\n  ...inputs: [...ObservableInputTuple<O>, (...value: [T, ...O]) => R]\n): OperatorFunction<T, R>;\n\n/**\n * Combines the source Observable with other Observables to create an Observable\n * whose values are calculated from the latest values of each, only when the\n * source emits.\n *\n * <span class=\"informal\">Whenever the source Observable emits a value, it\n * computes a formula using that value plus the latest values from other input\n * Observables, then emits the output of that formula.</span>\n *\n * ![](withLatestFrom.png)\n *\n * `withLatestFrom` combines each value from the source Observable (the\n * instance) with the latest values from the other input Observables only when\n * the source emits a value, optionally using a `project` function to determine\n * the value to be emitted on the output Observable. All input Observables must\n * emit at least one value before the output Observable will emit a value.\n *\n * ## Example\n *\n * On every click event, emit an array with the latest timer event plus the click event\n *\n * ```ts\n * import { fromEvent, interval, withLatestFrom } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const timer = interval(1000);\n * const result = clicks.pipe(withLatestFrom(timer));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link combineLatest}\n *\n * @param inputs An input Observable to combine with the source Observable. More\n * than one input Observables may be given as argument. If the last parameter is\n * a function, it will be used as a projection function for combining values\n * together. When the function is called, it receives all values in order of the\n * Observables passed, where the first parameter is a value from the source\n * Observable. (e.g.\n * `a.pipe(withLatestFrom(b, c), map(([a1, b1, c1]) => a1 + b1 + c1))`). If this\n * is not passed, arrays will be emitted on the output Observable.\n * @return A function that returns an Observable of projected values from the\n * most recent values from each input Observable, or an array of the most\n * recent values from each input Observable.\n */\nexport function withLatestFrom<T, R>(...inputs: any[]): OperatorFunction<T, R | any[]> {\n  const project = popResultSelector(inputs) as ((...args: any[]) => R) | undefined;\n\n  return operate((source, subscriber) => {\n    const len = inputs.length;\n    const otherValues = new Array(len);\n    // An array of whether or not the other sources have emitted. Matched with them by index.\n    // TODO: At somepoint, we should investigate the performance implications here, and look\n    // into using a `Set()` and checking the `size` to see if we're ready.\n    let hasValue = inputs.map(() => false);\n    // Flipped true when we have at least one value from all other sources and\n    // we are ready to start emitting values.\n    let ready = false;\n\n    // Other sources. Note that here we are not checking `subscriber.closed`,\n    // this causes all inputs to be subscribed to, even if nothing can be emitted\n    // from them. This is an important distinction because subscription constitutes\n    // a side-effect.\n    for (let i = 0; i < len; i++) {\n      innerFrom(inputs[i]).subscribe(\n        createOperatorSubscriber(\n          subscriber,\n          (value) => {\n            otherValues[i] = value;\n            if (!ready && !hasValue[i]) {\n              // If we're not ready yet, flag to show this observable has emitted.\n              hasValue[i] = true;\n              // Intentionally terse code.\n              // If all of our other observables have emitted, set `ready` to `true`,\n              // so we know we can start emitting values, then clean up the `hasValue` array,\n              // because we don't need it anymore.\n              (ready = hasValue.every(identity)) && (hasValue = null!);\n            }\n          },\n          // Completing one of the other sources has\n          // no bearing on the completion of our result.\n          noop\n        )\n      );\n    }\n\n    // Source subscription\n    source.subscribe(\n      createOperatorSubscriber(subscriber, (value) => {\n        if (ready) {\n          // We have at least one value from the other sources. Go ahead and emit.\n          const values = [value, ...otherValues];\n          subscriber.next(project ? project(...values) : values);\n        }\n      })\n    );\n  });\n}\n", "import { zip as zipStatic } from '../observable/zip';\nimport { ObservableInput, ObservableInputTuple, OperatorFunction, Cons } from '../types';\nimport { operate } from '../util/lift';\n\n/** @deprecated Replaced with {@link zipWith}. Will be removed in v8. */\nexport function zip<T, A extends readonly unknown[]>(otherInputs: [...ObservableInputTuple<A>]): OperatorFunction<T, Cons<T, A>>;\n/** @deprecated Replaced with {@link zipWith}. Will be removed in v8. */\nexport function zip<T, A extends readonly unknown[], R>(\n  otherInputsAndProject: [...ObservableInputTuple<A>],\n  project: (...values: Cons<T, A>) => R\n): OperatorFunction<T, R>;\n/** @deprecated Replaced with {@link zipWith}. Will be removed in v8. */\nexport function zip<T, A extends readonly unknown[]>(...otherInputs: [...ObservableInputTuple<A>]): OperatorFunction<T, Cons<T, A>>;\n/** @deprecated Replaced with {@link zipWith}. Will be removed in v8. */\nexport function zip<T, A extends readonly unknown[], R>(\n  ...otherInputsAndProject: [...ObservableInputTuple<A>, (...values: Cons<T, A>) => R]\n): OperatorFunction<T, R>;\n\n/**\n * @deprecated Replaced with {@link zipWith}. Will be removed in v8.\n */\nexport function zip<T, R>(...sources: Array<ObservableInput<any> | ((...values: Array<any>) => R)>): OperatorFunction<T, any> {\n  return operate((source, subscriber) => {\n    zipStatic(source as ObservableInput<any>, ...(sources as Array<ObservableInput<any>>)).subscribe(subscriber);\n  });\n}\n", "import { ObservableInputTuple, OperatorFunction, Cons } from '../types';\nimport { zip } from './zip';\n\n/**\n * Subscribes to the source, and the observable inputs provided as arguments, and combines their values, by index, into arrays.\n *\n * What is meant by \"combine by index\": The first value from each will be made into a single array, then emitted,\n * then the second value from each will be combined into a single array and emitted, then the third value\n * from each will be combined into a single array and emitted, and so on.\n *\n * This will continue until it is no longer able to combine values of the same index into an array.\n *\n * After the last value from any one completed source is emitted in an array, the resulting observable will complete,\n * as there is no way to continue \"zipping\" values together by index.\n *\n * Use-cases for this operator are limited. There are memory concerns if one of the streams is emitting\n * values at a much faster rate than the others. Usage should likely be limited to streams that emit\n * at a similar pace, or finite streams of known length.\n *\n * In many cases, authors want `combineLatestWith` and not `zipWith`.\n *\n * @param otherInputs other observable inputs to collate values from.\n * @return A function that returns an Observable that emits items by index\n * combined from the source Observable and provided Observables, in form of an\n * array.\n */\nexport function zipWith<T, A extends readonly unknown[]>(...otherInputs: [...ObservableInputTuple<A>]): OperatorFunction<T, Cons<T, A>> {\n  return zip(...otherInputs);\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  ReplaySubject,\n  Subject,\n  fromEvent\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document\n *\n * Documents are implemented as subjects, so all downstream observables are\n * automatically updated when a new document is emitted.\n *\n * @returns Document subject\n */\nexport function watchDocument(): Subject<Document> {\n  const document$ = new ReplaySubject<Document>(1)\n  fromEvent(document, \"DOMContentLoaded\", { once: true })\n    .subscribe(() => document$.next(document))\n\n  /* Return document */\n  return document$\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve all elements matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getElements<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T][]\n\nexport function getElements<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T[]\n\nexport function getElements<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T[] {\n  return Array.from(node.querySelectorAll<T>(selector))\n}\n\n/**\n * Retrieve an element matching a query selector or throw a reference error\n *\n * Note that this function assumes that the element is present. If unsure if an\n * element is existent, use the `getOptionalElement` function instead.\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getElement<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T]\n\nexport function getElement<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T\n\nexport function getElement<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T {\n  const el = getOptionalElement<T>(selector, node)\n  if (typeof el === \"undefined\")\n    throw new ReferenceError(\n      `Missing element: expected \"${selector}\" to be present`\n    )\n\n  /* Return element */\n  return el\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Retrieve an optional element matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element or nothing\n */\nexport function getOptionalElement<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T] | undefined\n\nexport function getOptionalElement<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T | undefined\n\nexport function getOptionalElement<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T | undefined {\n  return node.querySelector<T>(selector) || undefined\n}\n\n/**\n * Retrieve the currently active element\n *\n * @returns Element or nothing\n */\nexport function getActiveElement(): HTMLElement | undefined {\n  return (\n    document.activeElement?.shadowRoot?.activeElement as HTMLElement ??\n    document.activeElement as HTMLElement ??\n    undefined\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  debounceTime,\n  distinctUntilChanged,\n  fromEvent,\n  map,\n  merge,\n  shareReplay,\n  startWith\n} from \"rxjs\"\n\nimport { getActiveElement } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Focus observable\n *\n * Previously, this observer used `focus` and `blur` events to determine whether\n * an element is focused, but this doesn't work if there are focusable elements\n * within the elements itself. A better solutions are `focusin` and `focusout`\n * events, which bubble up the tree and allow for more fine-grained control.\n *\n * `debounceTime` is necessary, because when a focus change happens inside an\n * element, the observable would first emit `false` and then `true` again.\n */\nconst observer$ = merge(\n  fromEvent(document.body, \"focusin\"),\n  fromEvent(document.body, \"focusout\")\n)\n  .pipe(\n    debounceTime(1),\n    startWith(undefined),\n    map(() => getActiveElement() || document.body),\n    shareReplay(1)\n  )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch element focus\n *\n * @param el - Element\n *\n * @returns Element focus observable\n */\nexport function watchElementFocus(\n  el: HTMLElement\n): Observable<boolean> {\n  return observer$\n    .pipe(\n      map(active => el.contains(active)),\n      distinctUntilChanged()\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  debounce,\n  defer,\n  fromEvent,\n  identity,\n  map,\n  merge,\n  startWith,\n  timer\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch element hover\n *\n * The second parameter allows to specify a timeout in milliseconds after which\n * the hover state will be reset to `false`. This is useful for tooltips which\n * should disappear after a certain amount of time, in order to allow the user\n * to move the cursor from the host to the tooltip.\n *\n * @param el - Element\n * @param timeout - Timeout\n *\n * @returns Element hover observable\n */\nexport function watchElementHover(\n  el: HTMLElement, timeout?: number\n): Observable<boolean> {\n  return defer(() => merge(\n    fromEvent(el, \"mouseenter\").pipe(map(() => true)),\n    fromEvent(el, \"mouseleave\").pipe(map(() => false))\n  )\n    .pipe(\n      timeout ? debounce(active => timer(+!active * timeout)) : identity,\n      startWith(el.matches(\":hover\"))\n    )\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { JSX as JSXInternal } from \"preact\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML attributes\n */\ntype Attributes =\n  & JSXInternal.HTMLAttributes\n  & JSXInternal.SVGAttributes\n  & Record<string, any>\n\n/**\n * Child element\n */\ntype Child =\n  | ChildNode\n  | HTMLElement\n  | Text\n  | string\n  | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Append a child node to an element\n *\n * @param el - Element\n * @param child - Child node(s)\n */\nfunction appendChild(el: HTMLElement, child: Child | Child[]): void {\n\n  /* Handle primitive types (including raw HTML) */\n  if (typeof child === \"string\" || typeof child === \"number\") {\n    el.innerHTML += child.toString()\n\n  /* Handle nodes */\n  } else if (child instanceof Node) {\n    el.appendChild(child)\n\n  /* Handle nested children */\n  } else if (Array.isArray(child)) {\n    for (const node of child)\n      appendChild(el, node)\n  }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * JSX factory\n *\n * @template T - Element type\n *\n * @param tag - HTML tag\n * @param attributes - HTML attributes\n * @param children - Child elements\n *\n * @returns Element\n */\nexport function h<T extends keyof HTMLElementTagNameMap>(\n  tag: T, attributes?: Attributes | null, ...children: Child[]\n): HTMLElementTagNameMap[T]\n\nexport function h<T extends h.JSX.Element>(\n  tag: string, attributes?: Attributes | null, ...children: Child[]\n): T\n\nexport function h<T extends h.JSX.Element>(\n  tag: string, attributes?: Attributes | null, ...children: Child[]\n): T {\n  const el = document.createElement(tag)\n\n  /* Set attributes, if any */\n  if (attributes)\n    for (const attr of Object.keys(attributes)) {\n      if (typeof attributes[attr] === \"undefined\")\n        continue\n\n      /* Set default attribute or boolean */\n      if (typeof attributes[attr] !== \"boolean\")\n        el.setAttribute(attr, attributes[attr])\n      else\n        el.setAttribute(attr, \"\")\n    }\n\n  /* Append child nodes */\n  for (const child of children)\n    appendChild(el, child)\n\n  /* Return element */\n  return el as T\n}\n\n/* ----------------------------------------------------------------------------\n * Namespace\n * ------------------------------------------------------------------------- */\n\nexport declare namespace h {\n  namespace JSX {\n    type Element = HTMLElement\n    type IntrinsicElements = JSXInternal.IntrinsicElements\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Round a number for display with repository facts\n *\n * This is a reverse-engineered version of GitHub's weird rounding algorithm\n * for stars, forks and all other numbers. While all numbers below `1,000` are\n * returned as-is, bigger numbers are converted to fixed numbers:\n *\n * - `1,049` => `1k`\n * - `1,050` => `1.1k`\n * - `1,949` => `1.9k`\n * - `1,950` => `2k`\n *\n * @param value - Original value\n *\n * @returns Rounded value\n */\nexport function round(value: number): string {\n  if (value > 999) {\n    const digits = +((value - 950) % 1000 > 99)\n    return `${((value + 0.000001) / 1000).toFixed(digits)}k`\n  } else {\n    return value.toString()\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  defer,\n  finalize,\n  fromEvent,\n  map,\n  merge,\n  switchMap,\n  take,\n  throwError\n} from \"rxjs\"\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create and load a `script` element\n *\n * This function returns an observable that will emit when the script was\n * successfully loaded, or throw an error if it wasn't.\n *\n * @param src - Script URL\n *\n * @returns Script observable\n */\nexport function watchScript(src: string): Observable<void> {\n  const script = h(\"script\", { src })\n  return defer(() => {\n    document.head.appendChild(script)\n    return merge(\n      fromEvent(script, \"load\"),\n      fromEvent(script, \"error\")\n        .pipe(\n          switchMap(() => (\n            throwError(() => new ReferenceError(`Invalid script: ${src}`))\n          ))\n        )\n    )\n      .pipe(\n        map(() => undefined),\n        finalize(() => document.head.removeChild(script)),\n        take(1)\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  NEVER,\n  Observable,\n  Subject,\n  defer,\n  filter,\n  finalize,\n  map,\n  merge,\n  of,\n  shareReplay,\n  startWith,\n  switchMap,\n  tap\n} from \"rxjs\"\n\nimport { watchScript } from \"../../../script\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementSize {\n  width: number                        /* Element width */\n  height: number                       /* Element height */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Resize observer entry subject\n */\nconst entry$ = new Subject<ResizeObserverEntry>()\n\n/**\n * Resize observer observable\n *\n * This observable will create a `ResizeObserver` on the first subscription\n * and will automatically terminate it when there are no more subscribers.\n * It's quite important to centralize observation in a single `ResizeObserver`,\n * as the performance difference can be quite dramatic, as the link shows.\n *\n * If the browser doesn't have a `ResizeObserver` implementation available, a\n * polyfill is automatically downloaded from unpkg.com. This is also compatible\n * with the built-in privacy plugin, which will download the polyfill and put\n * it alongside the built site for self-hosting.\n *\n * @see https://bit.ly/3iIYfEm - Google Groups on performance\n */\nconst observer$ = defer(() => (\n  typeof ResizeObserver === \"undefined\"\n    ? watchScript(\"https://unpkg.com/resize-observer-polyfill\")\n    : of(undefined)\n))\n  .pipe(\n    map(() => new ResizeObserver(entries => (\n      entries.forEach(entry => entry$.next(entry))\n    ))),\n    switchMap(observer => merge(NEVER, of(observer)).pipe(\n      finalize(() => observer.disconnect())\n    )),\n    shareReplay(1)\n  )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element size\n *\n * @param el - Element\n *\n * @returns Element size\n */\nexport function getElementSize(\n  el: HTMLElement\n): ElementSize {\n  return {\n    width:  el.offsetWidth,\n    height: el.offsetHeight\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element size\n *\n * This function returns an observable that subscribes to a single internal\n * instance of `ResizeObserver` upon subscription, and emit resize events until\n * termination. Note that this function should not be called with the same\n * element twice, as the first unsubscription will terminate observation.\n *\n * Sadly, we can't use the `DOMRect` objects returned by the observer, because\n * we need the emitted values to be consistent with `getElementSize`, which will\n * return the used values (rounded) and not actual values (unrounded). Thus, we\n * use the `offset*` properties. See the linked GitHub issue.\n *\n * @see https://bit.ly/3m0k3he - GitHub issue\n *\n * @param el - Element\n *\n * @returns Element size observable\n */\nexport function watchElementSize(\n  el: HTMLElement\n): Observable<ElementSize> {\n\n  // Compute target element - since inline elements cannot be observed by the\n  // current `ResizeObserver` implementation as provided by browsers, we need\n  // to determine the first containing parent element and use that one as a\n  // target, while we always compute the actual size from the element.\n  let target = el\n  while (target.clientWidth === 0)\n    if (target.parentElement)\n      target = target.parentElement\n    else\n      break\n\n  // Observe target element and recompute element size on resize - as described\n  // above, the target element is not necessarily the element of interest\n  return observer$.pipe(\n    tap(observer => observer.observe(target)),\n    switchMap(observer => entry$.pipe(\n      filter(entry => entry.target === target),\n      finalize(() => observer.unobserve(target))\n    )),\n    map(() => getElementSize(el)),\n    startWith(getElementSize(el))\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ElementSize } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element content size (= scroll width and height)\n *\n * @param el - Element\n *\n * @returns Element content size\n */\nexport function getElementContentSize(\n  el: HTMLElement\n): ElementSize {\n  return {\n    width:  el.scrollWidth,\n    height: el.scrollHeight\n  }\n}\n\n/**\n * Retrieve the overflowing container of an element, if any\n *\n * @param el - Element\n *\n * @returns Overflowing container or nothing\n */\nexport function getElementContainer(\n  el: HTMLElement\n): HTMLElement | undefined {\n  let parent = el.parentElement\n  while (parent)\n    if (\n      el.scrollWidth  <= parent.scrollWidth &&\n      el.scrollHeight <= parent.scrollHeight\n    )\n      parent = (el = parent).parentElement\n    else\n      break\n\n  /* Return overflowing container */\n  return parent ? el : undefined\n}\n\n/**\n * Retrieve all overflowing containers of an element, if any\n *\n * Note that this function has a slightly different behavior, so we should at\n * some point consider refactoring how overflowing containers are handled.\n *\n * @param el - Element\n *\n * @returns Overflowing containers\n */\nexport function getElementContainers(\n  el: HTMLElement\n): HTMLElement[] {\n  const containers: HTMLElement[] = []\n\n  // Walk up the DOM tree until we find an overflowing container\n  let parent = el.parentElement\n  while (parent) {\n    if (\n      el.clientWidth  > parent.clientWidth ||\n      el.clientHeight > parent.clientHeight\n    )\n      containers.push(parent)\n\n    // Continue with parent element\n    parent = (el = parent).parentElement\n  }\n\n  // If the page is short, the body might not be overflowing and there might be\n  // no other containers, which is why we need to make sure the body is present\n  if (containers.length === 0)\n    containers.push(document.documentElement)\n\n  // Return overflowing containers\n  return containers\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  animationFrameScheduler,\n  auditTime,\n  fromEvent,\n  map,\n  merge,\n  startWith\n} from \"rxjs\"\n\nimport { watchElementSize } from \"../../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementOffset {\n  x: number                            /* Horizontal offset */\n  y: number                            /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element offset\n *\n * @param el - Element\n *\n * @returns Element offset\n */\nexport function getElementOffset(\n  el: HTMLElement\n): ElementOffset {\n  return {\n    x: el.offsetLeft,\n    y: el.offsetTop\n  }\n}\n\n/**\n * Retrieve absolute element offset\n *\n * @param el - Element\n *\n * @returns Element offset\n */\nexport function getElementOffsetAbsolute(\n  el: HTMLElement\n): ElementOffset {\n  const rect = el.getBoundingClientRect()\n  return {\n    x: rect.x + window.scrollX,\n    y: rect.y + window.scrollY\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element offset\n *\n * @param el - Element\n *\n * @returns Element offset observable\n */\nexport function watchElementOffset(\n  el: HTMLElement\n): Observable<ElementOffset> {\n  return merge(\n    fromEvent(window, \"load\"),\n    fromEvent(window, \"resize\")\n  )\n    .pipe(\n      auditTime(0, animationFrameScheduler),\n      map(() => getElementOffset(el)),\n      startWith(getElementOffset(el))\n    )\n}\n\n/**\n * Watch absolute element offset\n *\n * @param el - Element\n *\n * @returns Element offset observable\n */\nexport function watchElementOffsetAbsolute(\n  el: HTMLElement\n): Observable<ElementOffset> {\n  return merge(\n    watchElementOffset(el),\n    watchElementSize(document.body) // @todo find a better way for this\n  )\n    .pipe(\n      map(() => getElementOffsetAbsolute(el)),\n      startWith(getElementOffsetAbsolute(el))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  animationFrameScheduler,\n  auditTime,\n  fromEvent,\n  map,\n  merge,\n  startWith\n} from \"rxjs\"\n\nimport { ElementOffset } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element content offset (= scroll offset)\n *\n * @param el - Element\n *\n * @returns Element content offset\n */\nexport function getElementContentOffset(\n  el: HTMLElement\n): ElementOffset {\n  return {\n    x: el.scrollLeft,\n    y: el.scrollTop\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element content offset\n *\n * @param el - Element\n *\n * @returns Element content offset observable\n */\nexport function watchElementContentOffset(\n  el: HTMLElement\n): Observable<ElementOffset> {\n  return merge(\n    fromEvent(el, \"scroll\"),\n    fromEvent(window, \"scroll\"),\n    fromEvent(window, \"resize\")\n  )\n    .pipe(\n      auditTime(0, animationFrameScheduler),\n      map(() => getElementContentOffset(el)),\n      startWith(getElementContentOffset(el))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  NEVER,\n  Observable,\n  Subject,\n  defer,\n  distinctUntilChanged,\n  filter,\n  finalize,\n  map,\n  merge,\n  of,\n  shareReplay,\n  switchMap,\n  tap\n} from \"rxjs\"\n\nimport {\n  getElementContentSize,\n  getElementSize,\n  watchElementContentOffset\n} from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Intersection observer entry subject\n */\nconst entry$ = new Subject<IntersectionObserverEntry>()\n\n/**\n * Intersection observer observable\n *\n * This observable will create an `IntersectionObserver` on first subscription\n * and will automatically terminate it when there are no more subscribers.\n *\n * @see https://bit.ly/3iIYfEm - Google Groups on performance\n */\nconst observer$ = defer(() => of(\n  new IntersectionObserver(entries => {\n    for (const entry of entries)\n      entry$.next(entry)\n  }, {\n    threshold: 0\n  })\n))\n  .pipe(\n    switchMap(observer => merge(NEVER, of(observer))\n      .pipe(\n        finalize(() => observer.disconnect())\n      )\n    ),\n    shareReplay(1)\n  )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch element visibility\n *\n * @param el - Element\n *\n * @returns Element visibility observable\n */\nexport function watchElementVisibility(\n  el: HTMLElement\n): Observable<boolean> {\n  return observer$\n    .pipe(\n      tap(observer => observer.observe(el)),\n      switchMap(observer => entry$\n        .pipe(\n          filter(({ target }) => target === el),\n          finalize(() => observer.unobserve(el)),\n          map(({ isIntersecting }) => isIntersecting)\n        )\n      )\n    )\n}\n\n/**\n * Watch element boundary\n *\n * This function returns an observable which emits whether the bottom content\n * boundary (= scroll offset) of an element is within a certain threshold.\n *\n * @param el - Element\n * @param threshold - Threshold\n *\n * @returns Element boundary observable\n */\nexport function watchElementBoundary(\n  el: HTMLElement, threshold = 16\n): Observable<boolean> {\n  return watchElementContentOffset(el)\n    .pipe(\n      map(({ y }) => {\n        const visible = getElementSize(el)\n        const content = getElementContentSize(el)\n        return y >= (\n          content.height - visible.height - threshold\n        )\n      }),\n      distinctUntilChanged()\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  fromEvent,\n  map,\n  startWith\n} from \"rxjs\"\n\nimport { getElement } from \"../element\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle\n */\nexport type Toggle =\n  | \"drawer\"                           /* Toggle for drawer */\n  | \"search\"                           /* Toggle for search */\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle map\n */\nconst toggles: Record<Toggle, HTMLInputElement> = {\n  drawer: getElement(\"[data-md-toggle=drawer]\"),\n  search: getElement(\"[data-md-toggle=search]\")\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the value of a toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value\n */\nexport function getToggle(name: Toggle): boolean {\n  return toggles[name].checked\n}\n\n/**\n * Set toggle\n *\n * Simulating a click event seems to be the most cross-browser compatible way\n * of changing the value while also emitting a `change` event. Before, Material\n * used `CustomEvent` to programmatically change the value of a toggle, but this\n * is a much simpler and cleaner solution which doesn't require a polyfill.\n *\n * @param name - Toggle\n * @param value - Toggle value\n */\nexport function setToggle(name: Toggle, value: boolean): void {\n  if (toggles[name].checked !== value)\n    toggles[name].click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value observable\n */\nexport function watchToggle(name: Toggle): Observable<boolean> {\n  const el = toggles[name]\n  return fromEvent(el, \"change\")\n    .pipe(\n      map(() => el.checked),\n      startWith(el.checked)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  filter,\n  fromEvent,\n  map,\n  merge,\n  share,\n  startWith,\n  switchMap\n} from \"rxjs\"\n\nimport { getActiveElement } from \"../element\"\nimport { getToggle } from \"../toggle\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Keyboard mode\n */\nexport type KeyboardMode =\n  | \"global\"                           /* Global */\n  | \"search\"                           /* Search is open */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Keyboard\n */\nexport interface Keyboard {\n  mode: KeyboardMode                   /* Keyboard mode */\n  type: string                         /* Key type */\n  claim(): void                        /* Key claim */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether an element may receive keyboard input\n *\n * @param el - Element\n * @param type - Key type\n *\n * @returns Test result\n */\nfunction isSusceptibleToKeyboard(\n  el: HTMLElement, type: string\n): boolean {\n  switch (el.constructor) {\n\n    /* Input elements */\n    case HTMLInputElement:\n      /* @ts-expect-error - omit unnecessary type cast */\n      if (el.type === \"radio\")\n        return /^Arrow/.test(type)\n      else\n        return true\n\n    /* Select element and textarea */\n    case HTMLSelectElement:\n    case HTMLTextAreaElement:\n      return true\n\n    /* Everything else */\n    default:\n      return el.isContentEditable\n  }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch composition events\n *\n * @returns Composition observable\n */\nexport function watchComposition(): Observable<boolean> {\n  return merge(\n    fromEvent(window, \"compositionstart\").pipe(map(() => true)),\n    fromEvent(window, \"compositionend\").pipe(map(() => false))\n  )\n    .pipe(\n      startWith(false)\n    )\n}\n\n/**\n * Watch keyboard\n *\n * @returns Keyboard observable\n */\nexport function watchKeyboard(): Observable<Keyboard> {\n  const keyboard$ = fromEvent<KeyboardEvent>(window, \"keydown\")\n    .pipe(\n      filter(ev => !(ev.metaKey || ev.ctrlKey)),\n      map(ev => ({\n        mode: getToggle(\"search\") ? \"search\" : \"global\",\n        type: ev.key,\n        claim() {\n          ev.preventDefault()\n          ev.stopPropagation()\n        }\n      } as Keyboard)),\n      filter(({ mode, type }) => {\n        if (mode === \"global\") {\n          const active = getActiveElement()\n          if (typeof active !== \"undefined\")\n            return !isSusceptibleToKeyboard(active, type)\n        }\n        return true\n      }),\n      share()\n    )\n\n  /* Don't emit during composition events - see https://bit.ly/3te3Wl8 */\n  return watchComposition()\n    .pipe(\n      switchMap(active => !active ? keyboard$ : EMPTY)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Subject } from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location\n *\n * This function returns a `URL` object (and not `Location`) to normalize the\n * typings across the application. Furthermore, locations need to be tracked\n * without setting them and `Location` is a singleton which represents the\n * current location.\n *\n * @returns URL\n */\nexport function getLocation(): URL {\n  return new URL(location.href)\n}\n\n/**\n * Set location\n *\n * If instant navigation is enabled, this function creates a temporary anchor\n * element, sets the `href` attribute, appends it to the body, clicks it, and\n * then removes it again. The event will bubble up the DOM and be intercepted\n * by the instant navigation event handlers.\n *\n * Note that we must append and remove the anchor element, or the event will\n * not bubble up the DOM, making it impossible to intercept it.\n *\n * @param url - URL to navigate to\n * @param navigate - Force navigation\n */\nexport function setLocation(\n  url: URL | HTMLLinkElement, navigate = false\n): void {\n  if (feature(\"navigation.instant\") && !navigate) {\n    const el = h(\"a\", { href: url.href })\n    document.body.appendChild(el)\n    el.click()\n    el.remove()\n\n  // If we're not using instant navigation, and the page should not be reloaded\n  // just instruct the browser to navigate to the given URL\n  } else {\n    location.href = url.href\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @returns Location subject\n */\nexport function watchLocation(): Subject<URL> {\n  return new Subject<URL>()\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  filter,\n  fromEvent,\n  map,\n  merge,\n  shareReplay,\n  startWith\n} from \"rxjs\"\n\nimport { getOptionalElement } from \"~/browser\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location hash\n *\n * @returns Location hash\n */\nexport function getLocationHash(): string {\n  return location.hash.slice(1)\n}\n\n/**\n * Set location hash\n *\n * Setting a new fragment identifier via `location.hash` will have no effect\n * if the value doesn't change. When a new fragment identifier is set, we want\n * the browser to target the respective element at all times, which is why we\n * use this dirty little trick.\n *\n * @param hash - Location hash\n */\nexport function setLocationHash(hash: string): void {\n  const el = h(\"a\", { href: hash })\n  el.addEventListener(\"click\", ev => ev.stopPropagation())\n  el.click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location hash\n *\n * @param location$ - Location observable\n *\n * @returns Location hash observable\n */\nexport function watchLocationHash(\n  location$: Observable<URL>\n): Observable<string> {\n  return merge(\n    fromEvent<HashChangeEvent>(window, \"hashchange\"),\n    location$\n  )\n    .pipe(\n      map(getLocationHash),\n      startWith(getLocationHash()),\n      filter(hash => hash.length > 0),\n      shareReplay(1)\n    )\n}\n\n/**\n * Watch location target\n *\n * @param location$ - Location observable\n *\n * @returns Location target observable\n */\nexport function watchLocationTarget(\n  location$: Observable<URL>\n): Observable<HTMLElement> {\n  return watchLocationHash(location$)\n    .pipe(\n      map(id => getOptionalElement(`[id=\"${id}\"]`)!),\n      filter(el => typeof el !== \"undefined\")\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  fromEvent,\n  fromEventPattern,\n  map,\n  merge,\n  startWith,\n  switchMap\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch media query\n *\n * Note that although `MediaQueryList.addListener` is deprecated we have to\n * use it, because it's the only way to ensure proper downward compatibility.\n *\n * @see https://bit.ly/3dUBH2m - GitHub issue\n *\n * @param query - Media query\n *\n * @returns Media observable\n */\nexport function watchMedia(query: string): Observable<boolean> {\n  const media = matchMedia(query)\n  return fromEventPattern<boolean>(next => (\n    media.addListener(() => next(media.matches))\n  ))\n    .pipe(\n      startWith(media.matches)\n    )\n}\n\n/**\n * Watch print mode\n *\n * @returns Print observable\n */\nexport function watchPrint(): Observable<boolean> {\n  const media = matchMedia(\"print\")\n  return merge(\n    fromEvent(window, \"beforeprint\").pipe(map(() => true)),\n    fromEvent(window, \"afterprint\").pipe(map(() => false))\n  )\n    .pipe(\n      startWith(media.matches)\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Toggle an observable with a media observable\n *\n * @template T - Data type\n *\n * @param query$ - Media observable\n * @param factory - Observable factory\n *\n * @returns Toggled observable\n */\nexport function at<T>(\n  query$: Observable<boolean>, factory: () => Observable<T>\n): Observable<T> {\n  return query$\n    .pipe(\n      switchMap(active => active ? factory() : EMPTY)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  map,\n  shareReplay,\n  switchMap\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n  progress$?: Subject<number>          // Progress subject\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch the given URL\n *\n * This function returns an observable that emits the response as a blob and\n * completes, or emits an error if the request failed. The caller can cancel\n * the request by unsubscribing at any time, which will automatically abort\n * the inflight request and complete the observable.\n *\n * Note that we use `XMLHTTPRequest` not because we're nostalgic, but because\n * it's the only way to get progress events for downloads and also allow for\n * cancellation of requests, as the official Fetch API does not support this\n * yet, even though we're already in 2024.\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function request(\n  url: URL | string, options?: Options\n): Observable<Blob> {\n  return new Observable<Blob>(observer => {\n    const req = new XMLHttpRequest()\n    req.open(\"GET\", `${url}`)\n    req.responseType = \"blob\"\n\n    // Handle response\n    req.addEventListener(\"load\", () => {\n      if (req.status >= 200 && req.status < 300) {\n        observer.next(req.response)\n        observer.complete()\n\n      // Every response that is not in the 2xx range is considered an error\n      } else {\n        observer.error(new Error(req.statusText))\n      }\n    })\n\n    // Handle network errors\n    req.addEventListener(\"error\", () => {\n      observer.error(new Error(\"Network error\"))\n    })\n\n    // Handle aborted requests\n    req.addEventListener(\"abort\", () => {\n      observer.complete()\n    })\n\n    // Handle download progress\n    if (typeof options?.progress$ !== \"undefined\") {\n      req.addEventListener(\"progress\", event => {\n        if (event.lengthComputable) {\n          options.progress$!.next((event.loaded / event.total) * 100)\n\n        // Hack: Chromium doesn't report the total number of bytes if content\n        // is compressed, so we need this fallback - see https://t.ly/ZXofI\n        } else {\n          const length = req.getResponseHeader(\"Content-Length\") ?? 0\n          options.progress$!.next((event.loaded / +length) * 100)\n        }\n      })\n\n      // Immediately set progress to 5% to indicate that we're loading\n      options.progress$.next(5)\n    }\n\n    // Send request and automatically abort request upon unsubscription\n    req.send()\n    return () => req.abort()\n  })\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Fetch JSON from the given URL\n *\n * @template T - Data type\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestJSON<T>(\n  url: URL | string, options?: Options\n): Observable<T> {\n  return request(url, options)\n    .pipe(\n      switchMap(res => res.text()),\n      map(body => JSON.parse(body) as T),\n      shareReplay(1)\n    )\n}\n\n/**\n * Fetch HTML from the given URL\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestHTML(\n  url: URL | string, options?: Options\n): Observable<Document> {\n  const dom = new DOMParser()\n  return request(url, options)\n    .pipe(\n      switchMap(res => res.text()),\n      map(res => dom.parseFromString(res, \"text/html\")),\n      shareReplay(1)\n    )\n}\n\n/**\n * Fetch XML from the given URL\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestXML(\n  url: URL | string, options?: Options\n): Observable<Document> {\n  const dom = new DOMParser()\n  return request(url, options)\n    .pipe(\n      switchMap(res => res.text()),\n      map(res => dom.parseFromString(res, \"text/xml\")),\n      shareReplay(1)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  fromEvent,\n  map,\n  merge,\n  startWith\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport offset\n */\nexport interface ViewportOffset {\n  x: number                            /* Horizontal offset */\n  y: number                            /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport offset\n *\n * On iOS Safari, viewport offset can be negative due to overflow scrolling.\n * As this may induce strange behaviors downstream, we'll just limit it to 0.\n *\n * @returns Viewport offset\n */\nexport function getViewportOffset(): ViewportOffset {\n  return {\n    x: Math.max(0, scrollX),\n    y: Math.max(0, scrollY)\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport offset\n *\n * @returns Viewport offset observable\n */\nexport function watchViewportOffset(): Observable<ViewportOffset> {\n  return merge(\n    fromEvent(window, \"scroll\", { passive: true }),\n    fromEvent(window, \"resize\", { passive: true })\n  )\n    .pipe(\n      map(getViewportOffset),\n      startWith(getViewportOffset())\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  fromEvent,\n  map,\n  startWith\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport size\n */\nexport interface ViewportSize {\n  width: number                        /* Viewport width */\n  height: number                       /* Viewport height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport size\n *\n * @returns Viewport size\n */\nexport function getViewportSize(): ViewportSize {\n  return {\n    width:  innerWidth,\n    height: innerHeight\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport size\n *\n * @returns Viewport size observable\n */\nexport function watchViewportSize(): Observable<ViewportSize> {\n  return fromEvent(window, \"resize\", { passive: true })\n    .pipe(\n      map(getViewportSize),\n      startWith(getViewportSize())\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  combineLatest,\n  map,\n  shareReplay\n} from \"rxjs\"\n\nimport {\n  ViewportOffset,\n  watchViewportOffset\n} from \"../offset\"\nimport {\n  ViewportSize,\n  watchViewportSize\n} from \"../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport\n */\nexport interface Viewport {\n  offset: ViewportOffset               /* Viewport offset */\n  size: ViewportSize                   /* Viewport size */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport\n *\n * @returns Viewport observable\n */\nexport function watchViewport(): Observable<Viewport> {\n  return combineLatest([\n    watchViewportOffset(),\n    watchViewportSize()\n  ])\n    .pipe(\n      map(([offset, size]) => ({ offset, size })),\n      shareReplay(1)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  combineLatest,\n  distinctUntilKeyChanged,\n  map\n} from \"rxjs\"\n\nimport { Header } from \"~/components\"\n\nimport { getElementOffset } from \"../../element\"\nimport { Viewport } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport relative to element\n *\n * @param el - Element\n * @param options - Options\n *\n * @returns Viewport observable\n */\nexport function watchViewportAt(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<Viewport> {\n  const size$ = viewport$\n    .pipe(\n      distinctUntilKeyChanged(\"size\")\n    )\n\n  /* Compute element offset */\n  const offset$ = combineLatest([size$, header$])\n    .pipe(\n      map(() => getElementOffset(el))\n    )\n\n  /* Compute relative viewport, return hot observable */\n  return combineLatest([header$, viewport$, offset$])\n    .pipe(\n      map(([{ height }, { offset, size }, { x, y }]) => ({\n        offset: {\n          x: offset.x - x,\n          y: offset.y - y + height\n        },\n        size\n      }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  endWith,\n  fromEvent,\n  ignoreElements,\n  mergeWith,\n  share,\n  takeUntil\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Worker message\n */\nexport interface WorkerMessage {\n  type: unknown                        /* Message type */\n  data?: unknown                       /* Message data */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create an observable for receiving from a web worker\n *\n * @template T - Data type\n *\n * @param worker - Web worker\n *\n * @returns Message observable\n */\nfunction recv<T>(worker: Worker): Observable<T> {\n  return fromEvent<MessageEvent<T>, T>(worker, \"message\", ev => ev.data)\n}\n\n/**\n * Create a subject for sending to a web worker\n *\n * @template T - Data type\n *\n * @param worker - Web worker\n *\n * @returns Message subject\n */\nfunction send<T>(worker: Worker): Subject<T> {\n  const send$ = new Subject<T>()\n  send$.subscribe(data => worker.postMessage(data))\n\n  /* Return message subject */\n  return send$\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a bidirectional communication channel to a web worker\n *\n * @template T - Data type\n *\n * @param url - Worker URL\n * @param worker - Worker\n *\n * @returns Worker subject\n */\nexport function watchWorker<T extends WorkerMessage>(\n  url: string, worker = new Worker(url)\n): Subject<T> {\n  const recv$ = recv<T>(worker)\n  const send$ = send<T>(worker)\n\n  /* Create worker subject and forward messages */\n  const worker$ = new Subject<T>()\n  worker$.subscribe(send$)\n\n  /* Return worker subject */\n  const done$ = send$.pipe(ignoreElements(), endWith(true))\n  return worker$\n    .pipe(\n      ignoreElements(),\n      mergeWith(recv$.pipe(takeUntil(done$))),\n      share()\n    ) as Subject<T>\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElement, getLocation } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Feature flag\n */\nexport type Flag =\n  | \"announce.dismiss\"                 /* Dismissable announcement bar */\n  | \"content.code.annotate\"            /* Code annotations */\n  | \"content.code.copy\"                /* Code copy button */\n  | \"content.code.select\"              /* Code selection */\n  | \"content.footnote.tooltips\"        /* Footnote tooltips */\n  | \"content.lazy\"                     /* Lazy content elements */\n  | \"content.tabs.link\"                /* Link content tabs */\n  | \"content.tooltips\"                 /* Tooltips */\n  | \"header.autohide\"                  /* Hide header */\n  | \"navigation.expand\"                /* Automatic expansion */\n  | \"navigation.indexes\"               /* Section pages */\n  | \"navigation.instant\"               /* Instant navigation */\n  | \"navigation.instant.prefetch\"      /* Instant navigation prefetching */\n  | \"navigation.instant.progress\"      /* Instant navigation progress */\n  | \"navigation.instant.preview\"       /* Instant preview */\n  | \"navigation.sections\"              /* Section navigation */\n  | \"navigation.tabs\"                  /* Tabs navigation */\n  | \"navigation.tabs.sticky\"           /* Tabs navigation (sticky) */\n  | \"navigation.top\"                   /* Back-to-top button */\n  | \"navigation.tracking\"              /* Anchor tracking */\n  | \"search.highlight\"                 /* Search highlighting */\n  | \"search.share\"                     /* Search sharing */\n  | \"search.suggest\"                   /* Search suggestions */\n  | \"toc.follow\"                       /* Following table of contents */\n  | \"toc.integrate\"                    /* Integrated table of contents */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Translation\n */\nexport type Translation =\n  | \"clipboard.copy\"                   /* Copy to clipboard */\n  | \"clipboard.copied\"                 /* Copied to clipboard */\n  | \"search.result.placeholder\"        /* Type to start searching */\n  | \"search.result.none\"               /* No matching documents */\n  | \"search.result.one\"                /* 1 matching document */\n  | \"search.result.other\"              /* # matching documents */\n  | \"search.result.more.one\"           /* 1 more on this page */\n  | \"search.result.more.other\"         /* # more on this page */\n  | \"search.result.term.missing\"       /* Missing */\n  | \"select.version\"                   /* Version selector */\n\n/**\n * Translations\n */\nexport type Translations =\n  Record<Translation, string>\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Versioning\n */\nexport interface Versioning {\n  provider: \"mike\"                     /* Version provider */\n  default?: string | string[]          /* Default version */\n  alias?: boolean                      /* Show alias */\n}\n\n/**\n * Configuration\n */\nexport interface Config {\n  base: string                         /* Base URL */\n  features: Flag[]                     /* Feature flags */\n  translations: Translations           /* Translations */\n  search: string                       /* Search worker URL */\n  annotate?: Record<string, string[]>  /* Annotation mappings */\n  tags?: Record<string, string>        /* Tags mapping */\n  version?: Versioning                 /* Versioning */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration and make base URL absolute\n */\nconst script = getElement(\"#__config\")\nconst config: Config = JSON.parse(script.textContent!)\nconfig.base = `${new URL(config.base, getLocation())}`\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration\n *\n * @returns Global configuration\n */\nexport function configuration(): Config {\n  return config\n}\n\n/**\n * Check whether a feature flag is enabled\n *\n * @param flag - Feature flag\n *\n * @returns Test result\n */\nexport function feature(flag: Flag): boolean {\n  return config.features.includes(flag)\n}\n\n/**\n * Retrieve the translation for the given key\n *\n * @param key - Key to be translated\n * @param value - Positional value, if any\n *\n * @returns Translation\n */\nexport function translation(\n  key: Translation, value?: string | number\n): string {\n  return typeof value !== \"undefined\"\n    ? config.translations[key].replace(\"#\", value.toString())\n    : config.translations[key]\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElement, getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component type\n */\nexport type ComponentType =\n  | \"announce\"                         /* Announcement bar */\n  | \"container\"                        /* Container */\n  | \"consent\"                          /* Consent */\n  | \"content\"                          /* Content */\n  | \"dialog\"                           /* Dialog */\n  | \"header\"                           /* Header */\n  | \"header-title\"                     /* Header title */\n  | \"header-topic\"                     /* Header topic */\n  | \"main\"                             /* Main area */\n  | \"outdated\"                         /* Version warning */\n  | \"palette\"                          /* Color palette */\n  | \"progress\"                         /* Progress indicator */\n  | \"search\"                           /* Search */\n  | \"search-query\"                     /* Search input */\n  | \"search-result\"                    /* Search results */\n  | \"search-share\"                     /* Search sharing */\n  | \"search-suggest\"                   /* Search suggestions */\n  | \"sidebar\"                          /* Sidebar */\n  | \"skip\"                             /* Skip link */\n  | \"source\"                           /* Repository information */\n  | \"tabs\"                             /* Navigation tabs */\n  | \"toc\"                              /* Table of contents */\n  | \"top\"                              /* Back-to-top button */\n\n/**\n * Component\n *\n * @template T - Component type\n * @template U - Reference type\n */\nexport type Component<\n  T extends {} = {},\n  U extends HTMLElement = HTMLElement\n> =\n  T & {\n    ref: U                             /* Component reference */\n  }\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component type map\n */\ninterface ComponentTypeMap {\n  \"announce\": HTMLElement              /* Announcement bar */\n  \"container\": HTMLElement             /* Container */\n  \"consent\": HTMLElement               /* Consent */\n  \"content\": HTMLElement               /* Content */\n  \"dialog\": HTMLElement                /* Dialog */\n  \"header\": HTMLElement                /* Header */\n  \"header-title\": HTMLElement          /* Header title */\n  \"header-topic\": HTMLElement          /* Header topic */\n  \"main\": HTMLElement                  /* Main area */\n  \"outdated\": HTMLElement              /* Version warning */\n  \"palette\": HTMLElement               /* Color palette */\n  \"progress\": HTMLElement              /* Progress indicator */\n  \"search\": HTMLElement                /* Search */\n  \"search-query\": HTMLInputElement     /* Search input */\n  \"search-result\": HTMLElement         /* Search results */\n  \"search-share\": HTMLAnchorElement    /* Search sharing */\n  \"search-suggest\": HTMLElement        /* Search suggestions */\n  \"sidebar\": HTMLElement               /* Sidebar */\n  \"skip\": HTMLAnchorElement            /* Skip link */\n  \"source\": HTMLAnchorElement          /* Repository information */\n  \"tabs\": HTMLElement                  /* Navigation tabs */\n  \"toc\": HTMLElement                   /* Table of contents */\n  \"top\": HTMLAnchorElement             /* Back-to-top button */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the element for a given component or throw a reference error\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getComponentElement<T extends ComponentType>(\n  type: T, node: ParentNode = document\n): ComponentTypeMap[T] {\n  return getElement(`[data-md-component=${type}]`, node)\n}\n\n/**\n * Retrieve all elements for a given component\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getComponentElements<T extends ComponentType>(\n  type: T, node: ParentNode = document\n): ComponentTypeMap[T][] {\n  return getElements(`[data-md-component=${type}]`, node)\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  defer,\n  finalize,\n  fromEvent,\n  map,\n  tap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport { getElement } from \"~/browser\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Announcement bar\n */\nexport interface Announce {\n  hash: number                        /* Content hash */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch announcement bar\n *\n * @param el - Announcement bar element\n *\n * @returns Announcement bar observable\n */\nexport function watchAnnounce(\n  el: HTMLElement\n): Observable<Announce> {\n  const button = getElement(\".md-typeset > :first-child\", el)\n  return fromEvent(button, \"click\", { once: true })\n    .pipe(\n      map(() => getElement(\".md-typeset\", el)),\n      map(content => ({ hash: __md_hash(content.innerHTML) }))\n    )\n}\n\n/**\n * Mount announcement bar\n *\n * @param el - Announcement bar element\n *\n * @returns Announcement bar component observable\n */\nexport function mountAnnounce(\n  el: HTMLElement\n): Observable<Component<Announce>> {\n  if (!feature(\"announce.dismiss\") || !el.childElementCount)\n    return EMPTY\n\n  /* Support instant navigation - see https://t.ly/3FTme */\n  if (!el.hidden) {\n    const content = getElement(\".md-typeset\", el)\n    if (__md_hash(content.innerHTML) === __md_get(\"__announce\"))\n      el.hidden = true\n  }\n\n  /* Mount component on subscription */\n  return defer(() => {\n    const push$ = new Subject<Announce>()\n    push$.subscribe(({ hash }) => {\n      el.hidden = true\n\n      /* Persist preference in local storage */\n      __md_set<number>(\"__announce\", hash)\n    })\n\n    /* Create and return component */\n    return watchAnnounce(el)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  finalize,\n  map,\n  tap\n} from \"rxjs\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Consent\n */\nexport interface Consent {\n  hidden: boolean                      /* Consent is hidden */\n}\n\n/**\n * Consent defaults\n */\nexport interface ConsentDefaults {\n  analytics?: boolean                  /* Consent for Analytics */\n  github?: boolean                     /* Consent for GitHub */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  target$: Observable<HTMLElement>     /* Target observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch consent\n *\n * @param el - Consent element\n * @param options - Options\n *\n * @returns Consent observable\n */\nexport function watchConsent(\n  el: HTMLElement, { target$ }: WatchOptions\n): Observable<Consent> {\n  return target$\n    .pipe(\n      map(target => ({ hidden: target !== el }))\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount consent\n *\n * @param el - Consent element\n * @param options - Options\n *\n * @returns Consent component observable\n */\nexport function mountConsent(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<Consent>> {\n  const internal$ = new Subject<Consent>()\n  internal$.subscribe(({ hidden }) => {\n    el.hidden = hidden\n  })\n\n  /* Create and return component */\n  return watchConsent(el, options)\n    .pipe(\n      tap(state => internal$.next(state)),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ComponentChild } from \"preact\"\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tooltip style\n */\nexport type TooltipStyle =\n  | \"inline\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a tooltip\n *\n * @param id - Tooltip identifier\n * @param style - Tooltip style\n *\n * @returns Element\n */\nexport function renderTooltip(\n  id?: string, style?: TooltipStyle\n): HTMLElement {\n  if (style === \"inline\") { // @todo refactor control flow\n    return (\n      <div class=\"md-tooltip md-tooltip--inline\" id={id} role=\"tooltip\">\n        <div class=\"md-tooltip__inner md-typeset\"></div>\n      </div>\n    )\n  } else {\n    return (\n      <div class=\"md-tooltip\" id={id} role=\"tooltip\">\n        <div class=\"md-tooltip__inner md-typeset\"></div>\n      </div>\n    )\n  }\n}\n\n/**\n * Render a tooltip\n *\n * @param children - Child nodes\n *\n * @returns Element\n */\nexport function renderTooltip2(\n  ...children: ComponentChild[]\n): HTMLElement {\n  return (\n    <div class=\"md-tooltip2\" role=\"dialog\">\n      <div class=\"md-tooltip2__inner md-typeset\">\n        {children}\n      </div>\n    </div>\n  )\n}\n\n// @todo: rename\nexport function renderInlineTooltip2(\n  ...children: ComponentChild[]\n): HTMLElement {\n  return (\n    <div class=\"md-tooltip2\" role=\"tooltip\">\n      <div class=\"md-tooltip2__inner md-typeset\">\n        {children}\n      </div>\n    </div>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\nimport { renderTooltip } from \"../tooltip\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render an annotation\n *\n * @param id - Annotation identifier\n * @param prefix - Tooltip identifier prefix\n *\n * @returns Element\n */\nexport function renderAnnotation(\n  id: string | number, prefix?: string\n): HTMLElement {\n  prefix = prefix ? `${prefix}_annotation_${id}` : undefined\n\n  /* Render tooltip with anchor, if given */\n  if (prefix) {\n    const anchor = prefix ? `#${prefix}` : undefined\n    return (\n      <aside class=\"md-annotation\" tabIndex={0}>\n        {renderTooltip(prefix)}\n        <a href={anchor} class=\"md-annotation__index\" tabIndex={-1}>\n          <span data-md-annotation-id={id}></span>\n        </a>\n      </aside>\n    )\n  } else {\n    return (\n      <aside class=\"md-annotation\" tabIndex={0}>\n        {renderTooltip(prefix)}\n        <span class=\"md-annotation__index\" tabIndex={-1}>\n          <span data-md-annotation-id={id}></span>\n        </span>\n      </aside>\n    )\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a 'copy-to-clipboard' button\n *\n * @param id - Unique identifier\n *\n * @returns Element\n */\nexport function renderClipboardButton(id: string): HTMLElement {\n  return (\n    <button\n      class=\"md-code__button\"\n      title={translation(\"clipboard.copy\")}\n      data-clipboard-target={`#${id} > code`}\n      data-md-type=\"copy\"\n    ></button>\n  )\n}\n\nexport function renderSelectionButton(): HTMLElement {\n  return (\n    <button\n      class=\"md-code__button\"\n      title=\"Toggle line selection\"\n      data-md-type=\"select\"\n    ></button>\n  )\n}\n\nexport function renderCodeBlockNavigation() {\n  return (\n    <nav class=\"md-code__nav\"></nav>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\nimport { ComponentChild } from \"preact\"\n\nimport { configuration, feature, translation } from \"~/_\"\nimport { SearchItem } from \"~/integrations/search\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Render flag\n */\nconst enum Flag {\n  TEASER = 1,                          /* Render teaser */\n  PARENT = 2                           /* Render as parent */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper function\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search document\n *\n * @param document - Search document\n * @param flag - Render flags\n *\n * @returns Element\n */\nfunction renderSearchDocument(\n  document: SearchItem, flag: Flag\n): HTMLElement {\n  const parent = flag & Flag.PARENT\n  const teaser = flag & Flag.TEASER\n\n  /* Render missing query terms */\n  const missing = Object.keys(document.terms)\n    .filter(key => !document.terms[key])\n    .reduce<ComponentChild[]>((list, key) => [\n      ...list, <del>{escapeHTML(key)}</del>, \" \"\n    ], [])\n    .slice(0, -1)\n\n  /* Assemble query string for highlighting */\n  const config = configuration()\n  const url = new URL(document.location, config.base)\n  if (feature(\"search.highlight\"))\n    url.searchParams.set(\"h\", Object.entries(document.terms)\n      .filter(([, match]) => match)\n      .reduce((highlight, [value]) => `${highlight} ${value}`.trim(), \"\")\n    )\n\n  /* Render article or section, depending on flags */\n  const { tags } = configuration()\n  return (\n    <a href={`${url}`} class=\"md-search-result__link\" tabIndex={-1}>\n      <article\n        class=\"md-search-result__article md-typeset\"\n        data-md-score={document.score.toFixed(2)}\n      >\n        {parent > 0 && <div class=\"md-search-result__icon md-icon\"></div>}\n        {parent > 0 && <h1>{document.title}</h1>}\n        {parent <= 0 && <h2>{document.title}</h2>}\n        {teaser > 0 && document.text.length > 0 &&\n          document.text\n        }\n        {document.tags && (\n          <nav class=\"md-tags\">\n            {document.tags.map(tag => {\n              const type = tags\n                ? tag in tags\n                  ? `md-tag-icon md-tag--${tags[tag]}`\n                  : \"md-tag-icon\"\n                : \"\"\n              return (\n                <span class={`md-tag ${type}`}>{tag}</span>\n              )\n            })}\n          </nav>\n        )}\n        {teaser > 0 && missing.length > 0 &&\n          <p class=\"md-search-result__terms\">\n            {translation(\"search.result.term.missing\")}: {...missing}\n          </p>\n        }\n      </article>\n    </a>\n  )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search result\n *\n * @param result - Search result\n *\n * @returns Element\n */\nexport function renderSearchResultItem(\n  result: SearchItem[]\n): HTMLElement {\n  const threshold = result[0].score\n  const docs = [...result]\n\n  const config = configuration()\n\n  /* Find and extract parent article */\n  const parent = docs.findIndex(doc => {\n    const l = `${new URL(doc.location, config.base)}` // @todo hacky\n    return !l.includes(\"#\")\n  })\n  const [article] = docs.splice(parent, 1)\n\n  /* Determine last index above threshold */\n  let index = docs.findIndex(doc => doc.score < threshold)\n  if (index === -1)\n    index = docs.length\n\n  /* Partition sections */\n  const best = docs.slice(0, index)\n  const more = docs.slice(index)\n\n  /* Render children */\n  const children = [\n    renderSearchDocument(article, Flag.PARENT | +(!parent && index === 0)),\n    ...best.map(section => renderSearchDocument(section, Flag.TEASER)),\n    ...more.length ? [\n      <details class=\"md-search-result__more\">\n        <summary tabIndex={-1}>\n          <div>\n            {more.length > 0 && more.length === 1\n              ? translation(\"search.result.more.one\")\n              : translation(\"search.result.more.other\", more.length)\n            }\n          </div>\n        </summary>\n        {...more.map(section => renderSearchDocument(section, Flag.TEASER))}\n      </details>\n    ] : []\n  ]\n\n  /* Render search result */\n  return (\n    <li class=\"md-search-result__item\">\n      {children}\n    </li>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SourceFacts } from \"~/components\"\nimport { h, round } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render repository facts\n *\n * @param facts - Repository facts\n *\n * @returns Element\n */\nexport function renderSourceFacts(facts: SourceFacts): HTMLElement {\n  return (\n    <ul class=\"md-source__facts\">\n      {Object.entries(facts).map(([key, value]) => (\n        <li class={`md-source__fact md-source__fact--${key}`}>\n          {typeof value === \"number\" ? round(value) : value}\n        </li>\n      ))}\n    </ul>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tabbed control type\n */\ntype TabbedControlType =\n  | \"prev\"\n  | \"next\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render control for content tabs\n *\n * @param type - Control type\n *\n * @returns Element\n */\nexport function renderTabbedControl(\n  type: TabbedControlType\n): HTMLElement {\n  const classes = `tabbed-control tabbed-control--${type}`\n  return (\n    <div class={classes} hidden>\n      <button class=\"tabbed-button\" tabIndex={-1} aria-hidden=\"true\"></button>\n    </div>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a table inside a wrapper to improve scrolling on mobile\n *\n * @param table - Table element\n *\n * @returns Element\n */\nexport function renderTable(table: HTMLElement): HTMLElement {\n  return (\n    <div class=\"md-typeset__scrollwrap\">\n      <div class=\"md-typeset__table\">\n        {table}\n      </div>\n    </div>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { configuration, translation } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Version properties\n */\nexport interface VersionProperties {\n  hidden?: boolean                     /* Version is hidden */\n}\n\n/**\n * Version\n */\nexport interface Version {\n  version: string                      /* Version identifier */\n  title: string                        /* Version title */\n  aliases: string[]                    /* Version aliases */\n  properties?: VersionProperties       /* Version properties */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version\n *\n * @param version - Version\n *\n * @returns Element\n */\nfunction renderVersion(version: Version): HTMLElement {\n  const config = configuration()\n\n  /* Ensure trailing slash - see https://bit.ly/3rL5u3f */\n  const url = new URL(`../${version.version}/`, config.base)\n  return (\n    <li class=\"md-version__item\">\n      <a href={`${url}`} class=\"md-version__link\">\n        {version.title}\n        {config.version?.alias && version.aliases.length > 0 && (\n          <span class=\"md-version__alias\">\n            {version.aliases[0]}\n          </span>\n        )}\n      </a>\n    </li>\n  )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version selector\n *\n * @param versions - Versions\n * @param active - Active version\n *\n * @returns Element\n */\nexport function renderVersionSelector(\n  versions: Version[], active: Version\n): HTMLElement {\n  const config = configuration()\n  versions = versions.filter(version => !version.properties?.hidden)\n  return (\n    <div class=\"md-version\">\n      <button\n        class=\"md-version__current\"\n        aria-label={translation(\"select.version\")}\n      >\n        {active.title}\n        {config.version?.alias && active.aliases.length > 0 && (\n          <span class=\"md-version__alias\">\n            {active.aliases[0]}\n          </span>\n        )}\n      </button>\n      <ul class=\"md-version__list\">\n        {versions.map(renderVersion)}\n      </ul>\n    </div>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  BehaviorSubject,\n  EMPTY,\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  combineLatest,\n  combineLatestWith,\n  debounce,\n  defer,\n  distinctUntilChanged,\n  endWith,\n  filter,\n  finalize,\n  first,\n  ignoreElements,\n  map,\n  mergeMap,\n  observeOn,\n  queueScheduler,\n  share,\n  startWith,\n  switchMap,\n  tap,\n  throttleTime,\n  timer,\n  withLatestFrom\n} from \"rxjs\"\n\nimport {\n  ElementOffset,\n  Viewport,\n  getElement,\n  getElementContainers,\n  getElementOffsetAbsolute,\n  getElementSize,\n  watchElementContentOffset,\n  watchElementFocus,\n  watchElementHover\n} from \"~/browser\"\nimport { renderInlineTooltip2 } from \"~/templates\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tooltip\n */\nexport interface Tooltip {\n  active: boolean                      // Tooltip is active\n  offset: ElementOffset                // Tooltip offset\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Dependencies\n */\ninterface Dependencies {\n  content$: Observable<HTMLElement>    // Tooltip content observable\n  viewport$: Observable<Viewport>      // Viewport observable\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Global sequence number for tooltips\n */\nlet sequence = 0\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch tooltip\n *\n * This function tracks the tooltip host element, and deduces the active state\n * and offset of the tooltip from it. The active state is determined by whether\n * the host element is focused or hovered, and the offset is determined by the\n * host element's absolute position in the document.\n *\n * @param el - Tooltip host element\n * @param timeout - Timeout\n *\n * @returns Tooltip observable\n */\nexport function watchTooltip2(\n  el: HTMLElement, timeout = 250\n): Observable<Tooltip> {\n\n  // Compute whether tooltip should be shown - we need to watch both focus and\n  // hover events on the host element and emit if one of them is active. In case\n  // of a hover event, we keep the element visible for a short amount of time\n  // after the pointer left the host element for a better user experience.\n  const active$ =\n    combineLatest([\n      watchElementFocus(el),\n      watchElementHover(el, timeout)\n    ])\n      .pipe(\n        map(([focus, hover]) => focus || hover),\n        distinctUntilChanged()\n      )\n\n  // We need to determine all parent elements of the host element that are\n  // currently scrollable, as they might affect the position of the tooltip\n  // depending on their horizontal of vertical offset. We must track all of\n  // them and recompute the position of the tooltip if they change.\n  const offset$ =\n    defer(() => getElementContainers(el)).pipe(\n      mergeMap(watchElementContentOffset),\n      throttleTime(1),\n      // Note that we need to poll the value again if the active state changes,\n      // as otherwise the tooltip might be misplaced. This particularly happens\n      // when using third-party integrations like tablesort that change the\n      // position of elements \u2013 see https://t.ly/Y-V7X\n      combineLatestWith(active$),\n      map(() => getElementOffsetAbsolute(el)),\n    )\n\n  // Only track parent elements and compute offset of the tooltip host if the\n  // tooltip should be shown - we defer the computation of the offset until the\n  // tooltip becomes active for the first time. This is necessary, because we\n  // must also keep the tooltip active as long as it is focused or hovered.\n  return active$.pipe(\n    first(active => active),\n    switchMap(() => combineLatest([active$, offset$])),\n    map(([active, offset]) => ({ active, offset })),\n    share()\n  )\n}\n\n/**\n * Mount tooltip\n *\n * This function renders a tooltip with the content from the provided `content$`\n * observable as passed via the dependencies. If the returned element has a role\n * of type `dialog`, the tooltip is considered to be interactive, and rendered\n * either above or below the host element, depending on the available space.\n *\n * If the returned element has a role of type `tooltip`, the tooltip is always\n * rendered below the host element and considered to be non-interactive. This\n * allows us to reuse the same positioning logic for both interactive and\n * non-interactive tooltips, as it is largely the same.\n *\n * @param el - Tooltip host element\n * @param dependencies - Dependencies\n * @param timeout - Timeout @todo move into options\n *\n * @returns Tooltip component observable\n */\nexport function mountTooltip2(\n  el: HTMLElement, dependencies: Dependencies, timeout = 250\n): Observable<Component<Tooltip>> {\n  const { content$, viewport$ } = dependencies\n\n  // Compute unique tooltip id - this is necessary to associate the tooltip host\n  // element with the tooltip element for ARIA purposes\n  const id = `__tooltip2_${sequence++}`\n\n  // Create component on subscription\n  return defer(() => {\n    const push$ = new Subject<Tooltip>()\n\n    // Create subject to track tooltip presence and visibility - we use another\n    // purely internal subject to track the tooltip's presence and visibility,\n    // as the tooltip should be visible if the host element or tooltip itself\n    // is focused or hovered to allow for smooth pointer migration\n    const show$ = new BehaviorSubject(false)\n    push$.pipe(ignoreElements(), endWith(false))\n      .subscribe(show$)\n\n    // Create observable controlling tooltip element - we create and attach the\n    // tooltip only if it is actually present, in order to keep the number of\n    // elements low. We need to keep the tooltip visible for a short time after\n    // the pointer left the host element or tooltip itself. For this, we use an\n    // inner subscription to the tooltip observable, which we terminate when the\n    // tooltip should not be shown, automatically removing the element. Moreover\n    // we use the queue scheduler, which will schedule synchronously in case the\n    // tooltip should be shown, and asynchronously if it should be hidden.\n    const node$ = show$.pipe(\n      debounce(active => timer(+!active * 250, queueScheduler)),\n      distinctUntilChanged(),\n      switchMap(active => active ? content$ : EMPTY),\n      tap(node => node.id = id),\n      share()\n    )\n\n    // Compute tooltip presence and visibility - the tooltip should be shown if\n    // the host element or the tooltip itself is focused or hovered\n    combineLatest([\n      push$.pipe(map(({ active }) => active)),\n      node$.pipe(\n        switchMap(node => watchElementHover(node, 250)),\n        startWith(false)\n      )\n    ])\n      .pipe(map(states => states.some(active => active)))\n      .subscribe(show$)\n\n    // Compute tooltip origin - we need to compute the tooltip origin depending\n    // on the position of the host element, the viewport size, as well as the\n    // actual size of the tooltip, if positioned above. The tooltip must about\n    // to be rendered for this to be correct, which is why we do it here.\n    const origin$ = show$.pipe(\n      filter(active => active),\n      withLatestFrom(node$, viewport$),\n      map(([_, node, { size }]) => {\n        const host = el.getBoundingClientRect()\n        const x = host.width / 2\n\n        // If the tooltip is non-interactive, we always render it below the\n        // actual element because all operating systems do it that way\n        if (node.role === \"tooltip\") {\n          return { x, y: 8 + host.height }\n\n        // Otherwise, we determine where there is more space, and render the\n        // tooltip either above or below the host element\n        } else if (host.y >= size.height / 2) {\n          const { height } = getElementSize(node)\n          return { x, y: -16 - height }\n        } else {\n          return { x, y: +16 + host.height }\n        }\n      })\n    )\n\n    // Update tooltip position - we always need to update the position of the\n    // tooltip, as it might change depending on the viewport offset of the host\n    combineLatest([node$, push$, origin$])\n      .subscribe(([node, { offset }, origin]) => {\n        node.style.setProperty(\"--md-tooltip-host-x\", `${offset.x}px`)\n        node.style.setProperty(\"--md-tooltip-host-y\", `${offset.y}px`)\n\n        // Update tooltip origin - this is mainly set to determine the position\n        // of the tooltip tail, to show the direction it is originating from\n        node.style.setProperty(\"--md-tooltip-x\", `${origin.x}px`)\n        node.style.setProperty(\"--md-tooltip-y\", `${origin.y}px`)\n\n        // Update tooltip render location, i.e., whether the tooltip is shown\n        // above or below the host element, depending on the available space\n        node.classList.toggle(\"md-tooltip2--top\",    origin.y <  0)\n        node.classList.toggle(\"md-tooltip2--bottom\", origin.y >= 0)\n      })\n\n    // Update tooltip width - we only explicitly set the width of the tooltip\n    // if it is non-interactive, in case it should always be rendered centered\n    show$.pipe(\n      filter(active => active),\n      withLatestFrom(node$, (_, node) => node),\n      filter(node => node.role === \"tooltip\")\n    )\n      .subscribe(node => {\n        const size = getElementSize(getElement(\":scope > *\", node))\n\n        // Set tooltip width and remove tail by setting it to a width of zero -\n        // if authors want to keep the tail, we can move this to CSS later\n        node.style.setProperty(\"--md-tooltip-width\", `${size.width}px`)\n        node.style.setProperty(\"--md-tooltip-tail\",  `${0}px`)\n      })\n\n    // Update tooltip visibility - we defer to the next animation frame, because\n    // the tooltip must first be added to the document before we make it appear,\n    // or it will appear instantly without delay. Additionally, we need to keep\n    // the tooltip visible for a short time after the pointer left the host.\n    show$.pipe(\n      distinctUntilChanged(),\n      observeOn(animationFrameScheduler),\n      withLatestFrom(node$)\n    )\n      .subscribe(([active, node]) => {\n        node.classList.toggle(\"md-tooltip2--active\", active)\n      })\n\n    // Set up ARIA attributes when tooltip is visible\n    combineLatest([\n      show$.pipe(filter(active => active)),\n      node$\n    ])\n      .subscribe(([_, node]) => {\n        if (node.role === \"dialog\") {\n          el.setAttribute(\"aria-controls\", id)\n          el.setAttribute(\"aria-haspopup\", \"dialog\")\n        } else {\n          el.setAttribute(\"aria-describedby\", id)\n        }\n      })\n\n    // Remove ARIA attributes when tooltip is hidden\n    show$.pipe(filter(active => !active))\n      .subscribe(() => {\n        el.removeAttribute(\"aria-controls\")\n        el.removeAttribute(\"aria-describedby\")\n        el.removeAttribute(\"aria-haspopup\")\n      })\n\n    // Create and return component\n    return watchTooltip2(el, timeout)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n\n// ----------------------------------------------------------------------------\n\n/**\n * Mount inline tooltip\n *\n * @todo refactor this function\n *\n * @param el - Tooltip host element\n * @param dependencies - Dependencies\n * @param container - Container\n *\n * @returns Tooltip component observable\n */\nexport function mountInlineTooltip2(\n  el: HTMLElement, { viewport$ }: { viewport$: Observable<Viewport> },\n  container = document.body\n): Observable<Component<Tooltip>> {\n  return mountTooltip2(el, {\n    content$: new Observable<HTMLElement>(observer => {\n      const title = el.title\n      const node = renderInlineTooltip2(title)\n      observer.next(node)\n      el.removeAttribute(\"title\")\n      // Append tooltip and remove on unsubscription\n      container.append(node)\n      return () => {\n        node.remove()\n        el.setAttribute(\"title\", title)\n      }\n    }),\n    viewport$\n  }, 0)\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  auditTime,\n  combineLatest,\n  debounceTime,\n  defer,\n  delay,\n  endWith,\n  filter,\n  finalize,\n  fromEvent,\n  ignoreElements,\n  map,\n  merge,\n  switchMap,\n  take,\n  takeUntil,\n  tap,\n  throttleTime,\n  withLatestFrom\n} from \"rxjs\"\n\nimport {\n  ElementOffset,\n  getActiveElement,\n  getElementSize,\n  watchElementContentOffset,\n  watchElementFocus,\n  watchElementOffset,\n  watchElementVisibility\n} from \"~/browser\"\n\nimport { Component } from \"../../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Annotation\n */\nexport interface Annotation {\n  active: boolean                      /* Annotation is active */\n  offset: ElementOffset                /* Annotation offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch annotation\n *\n * @param el - Annotation element\n * @param container - Containing element\n *\n * @returns Annotation observable\n */\nexport function watchAnnotation(\n  el: HTMLElement, container: HTMLElement\n): Observable<Annotation> {\n  const offset$ = defer(() => combineLatest([\n    watchElementOffset(el),\n    watchElementContentOffset(container)\n  ]))\n    .pipe(\n      map(([{ x, y }, scroll]): ElementOffset => {\n        const { width, height } = getElementSize(el)\n        return ({\n          x: x - scroll.x + width  / 2,\n          y: y - scroll.y + height / 2\n        })\n      })\n    )\n\n  /* Actively watch annotation on focus */\n  return watchElementFocus(el)\n    .pipe(\n      switchMap(active => offset$\n        .pipe(\n          map(offset => ({ active, offset })),\n          take(+!active || Infinity)\n        )\n      )\n    )\n}\n\n/**\n * Mount annotation\n *\n * @param el - Annotation element\n * @param container - Containing element\n * @param options - Options\n *\n * @returns Annotation component observable\n */\nexport function mountAnnotation(\n  el: HTMLElement, container: HTMLElement, { target$ }: MountOptions\n): Observable<Component<Annotation>> {\n  const [tooltip, index] = Array.from(el.children)\n\n  /* Mount component on subscription */\n  return defer(() => {\n    const push$ = new Subject<Annotation>()\n    const done$ = push$.pipe(ignoreElements(), endWith(true))\n    push$.subscribe({\n\n      /* Handle emission */\n      next({ offset }) {\n        el.style.setProperty(\"--md-tooltip-x\", `${offset.x}px`)\n        el.style.setProperty(\"--md-tooltip-y\", `${offset.y}px`)\n      },\n\n      /* Handle complete */\n      complete() {\n        el.style.removeProperty(\"--md-tooltip-x\")\n        el.style.removeProperty(\"--md-tooltip-y\")\n      }\n    })\n\n    /* Start animation only when annotation is visible */\n    watchElementVisibility(el)\n      .pipe(\n        takeUntil(done$)\n      )\n        .subscribe(visible => {\n          el.toggleAttribute(\"data-md-visible\", visible)\n        })\n\n    /* Toggle tooltip presence to mitigate empty lines when copying */\n    merge(\n      push$.pipe(filter(({ active }) => active)),\n      push$.pipe(debounceTime(250), filter(({ active }) => !active))\n    )\n      .subscribe({\n\n        /* Handle emission */\n        next({ active }) {\n          if (active)\n            el.prepend(tooltip)\n          else\n            tooltip.remove()\n        },\n\n        /* Handle complete */\n        complete() {\n          el.prepend(tooltip)\n        }\n      })\n\n    /* Toggle tooltip visibility */\n    push$\n      .pipe(\n        auditTime(16, animationFrameScheduler)\n      )\n        .subscribe(({ active }) => {\n          tooltip.classList.toggle(\"md-tooltip--active\", active)\n        })\n\n    /* Track relative origin of tooltip */\n    push$\n      .pipe(\n        throttleTime(125, animationFrameScheduler),\n        filter(() => !!el.offsetParent),\n        map(() => el.offsetParent!.getBoundingClientRect()),\n        map(({ x }) => x)\n      )\n        .subscribe({\n\n          /* Handle emission */\n          next(origin) {\n            if (origin)\n              el.style.setProperty(\"--md-tooltip-0\", `${-origin}px`)\n            else\n              el.style.removeProperty(\"--md-tooltip-0\")\n          },\n\n          /* Handle complete */\n          complete() {\n            el.style.removeProperty(\"--md-tooltip-0\")\n          }\n        })\n\n    /* Allow to copy link without scrolling to anchor */\n    fromEvent<MouseEvent>(index, \"click\")\n      .pipe(\n        takeUntil(done$),\n        filter(ev => !(ev.metaKey || ev.ctrlKey))\n      )\n        .subscribe(ev => {\n          ev.stopPropagation()\n          ev.preventDefault()\n        })\n\n    /* Allow to open link in new tab or blur on close */\n    fromEvent<MouseEvent>(index, \"mousedown\")\n      .pipe(\n        takeUntil(done$),\n        withLatestFrom(push$)\n      )\n        .subscribe(([ev, { active }]) => {\n\n          /* Open in new tab */\n          if (ev.button !== 0 || ev.metaKey || ev.ctrlKey) {\n            ev.preventDefault()\n\n          /* Close annotation */\n          } else if (active) {\n            ev.preventDefault()\n\n            /* Focus parent annotation, if any */\n            const parent = el.parentElement!.closest(\".md-annotation\")\n            if (parent instanceof HTMLElement)\n              parent.focus()\n            else\n              getActiveElement()?.blur()\n          }\n        })\n\n    /* Open and focus annotation on location target */\n    target$\n      .pipe(\n        takeUntil(done$),\n        filter(target => target === tooltip),\n        delay(125)\n      )\n        .subscribe(() => el.focus())\n\n    /* Create and return component */\n    return watchAnnotation(el, container)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  defer,\n  endWith,\n  finalize,\n  ignoreElements,\n  merge,\n  share,\n  takeUntil\n} from \"rxjs\"\n\nimport { configuration } from \"~/_\"\nimport {\n  getElement,\n  getElements,\n  getOptionalElement\n} from \"~/browser\"\nimport { renderAnnotation } from \"~/templates\"\n\nimport { Component } from \"../../../_\"\nimport {\n  Annotation,\n  mountAnnotation\n} from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<boolean>          /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Find all annotation hosts in the containing element\n *\n * @param container - Containing element\n *\n * @returns Annotation hosts\n */\nfunction findHosts(container: HTMLElement): HTMLElement[] {\n  const config = configuration()\n  if (container.tagName !== \"CODE\")\n    return [container]\n\n  /* Try to determine language of code block */\n  const selectors = [\".c\", \".c1\", \".cm\"]\n  if (config.annotate && typeof config.annotate === \"object\") {\n    const host = container.closest(\"[class|=language]\")\n    if (host) {\n\n      /* Extract language from class name */\n      for (const value of Array.from(host.classList)) {\n        if (!value.startsWith(\"language-\"))\n          continue\n\n        /* Obtain additional mappings, if any */\n        const [, language] = value.split(\"-\")\n        if (language in config.annotate)\n          selectors.push(...config.annotate[language])\n      }\n    }\n  }\n\n  /* Retrieve and return annotation hosts */\n  return getElements(selectors.join(\", \"), container)\n}\n\n/**\n * Find all annotation markers in the containing element\n *\n * @param container - Containing element\n *\n * @returns Annotation markers\n */\nfunction findMarkers(container: HTMLElement): Text[] {\n  const markers: Text[] = []\n  for (const el of findHosts(container)) {\n    const nodes: Text[] = []\n\n    /* Find all text nodes in current element */\n    const it = document.createNodeIterator(el, NodeFilter.SHOW_TEXT)\n    for (let node = it.nextNode(); node; node = it.nextNode())\n      nodes.push(node as Text)\n\n    /* Find all markers in each text node */\n    for (let text of nodes) {\n      let match: RegExpExecArray | null\n\n      /* Split text at marker and add to list */\n      while ((match = /(\\(\\d+\\))(!)?/.exec(text.textContent!))) {\n        const [, id, force] = match\n        if (typeof force === \"undefined\") {\n          const marker = text.splitText(match.index)\n          text = marker.splitText(id.length)\n          markers.push(marker)\n\n        /* Replace entire text with marker */\n        } else {\n          text.textContent = id\n          markers.push(text)\n          break\n        }\n      }\n    }\n  }\n  return markers\n}\n\n/**\n * Swap the child nodes of two elements\n *\n * @param source - Source element\n * @param target - Target element\n */\nfunction swap(source: HTMLElement, target: HTMLElement): void {\n  target.append(...Array.from(source.childNodes))\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount annotation list\n *\n * This function analyzes the containing code block and checks for markers\n * referring to elements in the given annotation list. If no markers are found,\n * the list is left untouched. Otherwise, list elements are rendered as\n * annotations inside the code block.\n *\n * @param el - Annotation list element\n * @param container - Containing element\n * @param options - Options\n *\n * @returns Annotation component observable\n */\nexport function mountAnnotationList(\n  el: HTMLElement, container: HTMLElement, { target$, print$ }: MountOptions\n): Observable<Component<Annotation>> {\n\n  /* Compute prefix for tooltip anchors */\n  const parent = container.closest(\"[id]\")\n  const prefix = parent?.id\n\n  /* Find and replace all markers with empty annotations */\n  const annotations = new Map<string, HTMLElement>()\n  for (const marker of findMarkers(container)) {\n    const [, id] = marker.textContent!.match(/\\((\\d+)\\)/)!\n    if (getOptionalElement(`:scope > li:nth-child(${id})`, el)) {\n      annotations.set(id, renderAnnotation(id, prefix))\n      marker.replaceWith(annotations.get(id)!)\n    }\n  }\n\n  /* Keep list if there are no annotations to render */\n  if (annotations.size === 0)\n    return EMPTY\n\n  /* Mount component on subscription */\n  return defer(() => {\n    const push$ = new Subject()\n    const done$ = push$.pipe(ignoreElements(), endWith(true))\n\n    /* Retrieve container pairs for swapping */\n    const pairs: [HTMLElement, HTMLElement][] = []\n    for (const [id, annotation] of annotations)\n      pairs.push([\n        getElement(\".md-typeset\", annotation),\n        getElement(`:scope > li:nth-child(${id})`, el)\n      ])\n\n    /* Handle print mode - see https://bit.ly/3rgPdpt */\n    print$.pipe(takeUntil(done$))\n      .subscribe(active => {\n        el.hidden = !active\n\n        /* Add class to discern list element */\n        el.classList.toggle(\"md-annotation-list\", active)\n\n        /* Show annotations in code block or list (print) */\n        for (const [inner, child] of pairs)\n          if (!active)\n            swap(child, inner)\n          else\n            swap(inner, child)\n      })\n\n    /* Create and return component */\n    return merge(...[...annotations]\n      .map(([, annotation]) => (\n        mountAnnotation(annotation, container, { target$ })\n      ))\n    )\n      .pipe(\n        finalize(() => push$.complete()),\n        share()\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { EMPTY, Observable, defer } from \"rxjs\"\n\nimport { Component } from \"../../../_\"\nimport { Annotation } from \"../_\"\nimport { mountAnnotationList } from \"../list\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<boolean>          /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Find list element directly following a block\n *\n * @param el - Annotation block element\n *\n * @returns List element or nothing\n */\nfunction findList(el: HTMLElement): HTMLElement | undefined {\n  if (el.nextElementSibling) {\n    const sibling = el.nextElementSibling as HTMLElement\n    if (sibling.tagName === \"OL\")\n      return sibling\n\n    /* Skip empty paragraphs - see https://bit.ly/3r4ZJ2O */\n    else if (sibling.tagName === \"P\" && !sibling.children.length)\n      return findList(sibling)\n  }\n\n  /* Everything else */\n  return undefined\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount annotation block\n *\n * @param el - Annotation block element\n * @param options - Options\n *\n * @returns Annotation component observable\n */\nexport function mountAnnotationBlock(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<Annotation>> {\n  return defer(() => {\n    const list = findList(el)\n    return typeof list !== \"undefined\"\n      ? mountAnnotationList(list, el, options)\n      : EMPTY\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  asyncScheduler,\n  defer,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  filter,\n  finalize,\n  from,\n  fromEvent,\n  map,\n  merge,\n  mergeMap,\n  mergeWith,\n  observeOn,\n  scan,\n  share,\n  shareReplay,\n  startWith,\n  switchMap,\n  take,\n  takeLast,\n  takeUntil,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  getElement,\n  getElementContentSize,\n  getElements,\n  getOptionalElement,\n  watchElementHover,\n  watchElementSize,\n  watchElementVisibility,\n  watchLocationHash\n} from \"~/browser\"\nimport {\n  Tooltip,\n  mountInlineTooltip2\n} from \"~/components/tooltip2\"\nimport {\n  renderClipboardButton,\n  renderCodeBlockNavigation,\n  renderSelectionButton\n} from \"~/templates\"\n\nimport { Component } from \"../../../_\"\nimport {\n  Annotation,\n  mountAnnotationList\n} from \"../../annotation\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Code block overflow\n */\nexport interface Overflow {\n  scrollable: boolean                  /* Code block overflows */\n}\n\n/**\n * Code block\n */\nexport type CodeBlock =\n  | Overflow\n  | Annotation\n  | Tooltip\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<boolean>          /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Global sequence number for code blocks\n */\nlet sequence = 0\n\n/**\n * Shift-key observable - @todo consolidate with keyboard observable\n */\nconst shift$ = merge(\n  fromEvent(window, \"keydown\").pipe(map(() => true)),\n  merge(\n    fromEvent(window, \"keyup\"),\n    fromEvent(window, \"contextmenu\")\n  )\n    .pipe(map(() => false))\n)\n  .pipe(\n    startWith(false),\n    shareReplay(1)\n  )\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Find list element directly following a code block\n *\n * @param el - Code block element\n *\n * @returns List element or nothing\n */\nfunction findList(el: HTMLElement): HTMLElement | undefined {\n  if (el.nextElementSibling) {\n    const sibling = el.nextElementSibling as HTMLElement\n    if (sibling.tagName === \"OL\")\n      return sibling\n\n    /* Skip empty paragraphs - see https://bit.ly/3r4ZJ2O */\n    else if (sibling.tagName === \"P\" && !sibling.children.length)\n      return findList(sibling)\n  }\n\n  /* Everything else */\n  return undefined\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch code block\n *\n * This function monitors size changes of the viewport, as well as switches of\n * content tabs with embedded code blocks, as both may trigger overflow.\n *\n * @param el - Code block element\n *\n * @returns Code block observable\n */\nexport function watchCodeBlock(\n  el: HTMLElement\n): Observable<Overflow> {\n  return watchElementSize(el)\n    .pipe(\n      map(({ width }) => {\n        const content = getElementContentSize(el)\n        return {\n          scrollable: content.width > width\n        }\n      }),\n      distinctUntilKeyChanged(\"scrollable\")\n    )\n}\n\n/**\n * Mount code block\n *\n * This function ensures that an overflowing code block is focusable through\n * keyboard, so it can be scrolled without a mouse to improve on accessibility.\n * Furthermore, if code annotations are enabled, they are mounted if and only\n * if the code block is currently visible, e.g., not in a hidden content tab.\n *\n * Note that code blocks may be mounted eagerly or lazily. If they're mounted\n * lazily (on first visibility), code annotation anchor links will not work,\n * as they are evaluated on initial page load, and code annotations in general\n * might feel a little bumpier.\n *\n * @param el - Code block element\n * @param options - Options\n *\n * @returns Code block and annotation component observable\n */\nexport function mountCodeBlock(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<CodeBlock>> {\n  const { matches: hover } = matchMedia(\"(hover)\")\n\n  /* Defer mounting of code block - see https://bit.ly/3vHVoVD */\n  const factory$ = defer(() => {\n    const push$ = new Subject<Overflow>()\n    const done$ = push$.pipe(takeLast(1))\n    push$.subscribe(({ scrollable }) => {\n      if (scrollable && hover)\n        el.setAttribute(\"tabindex\", \"0\")\n      else\n        el.removeAttribute(\"tabindex\")\n    })\n\n    // Code block sequence number\n    const buttons: HTMLElement[] = []\n    const parent = el.closest(\"pre\")!\n\n    // Check if there's a parent element with an id, and use that id, otherwise\n    // generate a new one. This is necessary to allow for authors to define\n    // unique ids for code blocks - see https://t.ly/q7UEq\n    const unique = parent.closest(\"[id]\")\n    const id = unique ? unique.id : sequence++\n    parent.id = `__code_${id}`\n\n    /* Handle code annotations and highlights */\n    const content$: Array<Observable<Component<CodeBlock>>> = []\n    const container = el.closest(\".highlight\")\n    if (container instanceof HTMLElement) {\n      const list = findList(container)\n\n      /* Mount code annotations, if enabled */\n      if (typeof list !== \"undefined\" && (\n        container.classList.contains(\"annotate\") ||\n        feature(\"content.code.annotate\")\n      )) {\n        const annotations$ = mountAnnotationList(list, el, options)\n        content$.push(\n          watchElementSize(container)\n            .pipe(\n              takeUntil(done$),\n              map(({ width, height }) => width && height),\n              distinctUntilChanged(),\n              switchMap(active => active ? annotations$ : EMPTY)\n            )\n        )\n      }\n    }\n\n    // @todo: refactor and move into separate component\n\n    /* Check if code block has line spans */\n    const spans = getElements(\":scope > span[id]\", el)\n    if (spans.length) {\n      el.classList.add(\"md-code__content\")\n\n      /* Mount code selection */\n      if (el.closest(\".select\") || (\n        feature(\"content.code.select\") && !el.closest(\".no-select\")\n      )) {\n        const base = +spans[0].id.split(\"-\").pop()!\n\n        /* Mount tooltip, if enabled */\n        const button = renderSelectionButton()\n        buttons.push(button)\n        if (feature(\"content.tooltips\"))\n          content$.push(mountInlineTooltip2(button, { viewport$ }))\n\n        /* Selection state */\n        const select$ = fromEvent(button, \"click\")\n          .pipe(\n            scan(active => !active, false),\n            tap(() => button.blur()),\n            share()\n          )\n\n        /* Toggle active selection state on button */\n        select$.subscribe(active => {\n          button.classList.toggle(\"md-code__button--active\", active)\n        })\n\n        /* Observable that monitors hovering */\n        const hover$ = from(spans)\n          .pipe(\n            mergeMap(span => watchElementHover(span)\n              .pipe(\n                map(active => [span, active] as const)\n              )\n            )\n          )\n\n        /* Trigger hover selection state based on state */\n        select$\n          .pipe(\n            switchMap(active => active ? hover$ : EMPTY)\n          )\n            .subscribe(([span, active]) => {\n              // @todo: don't mutate, but wrap everything in selection elements\n              const highlight = getOptionalElement(\".hll.select\", span)\n              if (highlight && !active) {\n                highlight.replaceWith(...Array.from(highlight.childNodes))\n              } else if (!highlight && active) {\n                const hll = document.createElement(\"span\")\n                hll.className = \"hll select\"\n                hll.append(...Array.from(span.childNodes).slice(1))\n                span.append(hll)\n              }\n            })\n\n        // @todo: use a single event handler and consolidate events\n        const click$ = from(spans)\n          .pipe(\n            mergeMap(span => fromEvent(span, \"mousedown\")\n              .pipe(\n                tap(ev => ev.preventDefault()),\n                map(() => span)\n              )\n            )\n          )\n\n        const range$ = select$\n          .pipe(\n            switchMap(active => active ? click$ : EMPTY),\n            withLatestFrom(shift$),\n            map(([span, shift]) => {\n\n              /* Determine focused line number */\n              const active = spans.indexOf(span) + base\n              if (shift === false) {\n                return [active, active] as const\n\n                /* Shift is pressed, so extend selection */\n              } else {\n                const range = getElements(\".hll\", el)\n                  .map(line => spans.indexOf(line.parentElement!) + base)\n\n                // Hack: this is a side effect, but we need to remove all ranges\n                // or rendering might look weird.\n                window.getSelection()?.removeAllRanges()\n\n                /* Return range */\n                return [\n                  Math.min(active, ...range),\n                  Math.max(active, ...range)\n                ] as const\n              }\n            })\n          )\n\n        // Currently, all mounted code blocks will receive this event. That#s\n        // not ideal, since we should handle this higher up the tree\n        const hash$ = watchLocationHash(EMPTY)\n          .pipe(\n            // @todo: make more resilient\n            filter(hash => hash.startsWith(`__codelineno-${id}-`))\n          )\n\n        hash$.subscribe(hash => {\n          const [, , line] = hash.split(\"-\")\n          const range = line.split(\":\").map(value => +value - base + 1)\n          if (range.length === 1)\n            range.push(range[0])\n\n          // remove all existing, then set range...\n          for (const span of getElements(\".hll:not(.select)\", el)) {\n            span.replaceWith(...Array.from(span.childNodes))\n          }\n\n          // set new range @todo move this into one block\n          const selection = spans.slice(range[0] - 1, range[1])\n          for (const span of selection) {\n            const hll = document.createElement(\"span\")\n            hll.className = \"hll\"\n            hll.append(...Array.from(span.childNodes).slice(1))\n            span.append(hll)\n          }\n        })\n\n        hash$.pipe(take(1), observeOn(asyncScheduler))\n          .subscribe(hash => {\n            if (hash.includes(\":\")) {\n              const anchor = document.getElementById(hash.split(\":\")[0])\n              if (anchor) {\n                // this is a hack - we will refactor anchor / targetting as one\n                // of the next big things when merging one of the next goals.\n                // we need to unify how offsets are computed for tooltips and\n                // make the whole experience smoother.\n                setTimeout(() => {\n                  let tmp = anchor\n                  let top = -(48 + 16)\n                  while (tmp !== document.body) {\n                    top += tmp.offsetTop\n                    tmp  = tmp.offsetParent as HTMLElement\n                  }\n                  window.scrollTo({ top })\n                }, 1)\n              }\n            }\n          })\n\n        /* Allow selection via anchor links */\n        const jump$ = from(\n          getElements(\"a[href^=\\\"#__codelineno\\\"]\", container!)\n        )\n          .pipe(\n            mergeMap(anchor => fromEvent(anchor, \"click\")\n              .pipe(\n                tap(ev => ev.preventDefault()),\n                map(() => anchor as HTMLAnchorElement)\n              )\n            )\n          )\n\n        /* Determine next highlighted lines */\n        const next$ = jump$\n          .pipe(\n            takeUntil(done$),\n            withLatestFrom(shift$),\n            map(([anchor, shift]) => {\n              const target = getElement(`[id=\"${anchor.hash.slice(1)}\"]`)\n\n              /* Determine focused line number */\n              const active = +target.parentElement!.id.split(\"-\").pop()!\n              if (shift === false) {\n                return [active, active] as const\n\n              /* Shift is pressed, so extend selection */\n              } else {\n                const range = getElements(\".hll\", el)\n                  .map(line => +line.parentElement!.id.split(\"-\").pop()!)\n\n                /* Return range */\n                return [\n                  Math.min(active, ...range),\n                  Math.max(active, ...range)\n                ] as const\n              }\n            })\n          )\n\n        // Push selection to URL\n        merge(range$, next$).subscribe(range => {\n          // @todo: improve resilience, so we're not dependent on class names\n          let hash = `#__codelineno-${id}-`\n          if (range[0] === range[1]) {\n            hash += range[0]\n          } else {\n            hash += `${range[0]}:${range[1]}`\n          }\n          history.replaceState({}, \"\", hash)\n          // @hack dispatch artificial hashchange event\n          window.dispatchEvent(new HashChangeEvent(\"hashchange\", {\n            newURL: window.location.origin + window.location.pathname + hash,\n            oldURL: window.location.href\n          }))\n        })\n      }\n    }\n\n    /* Render button for Clipboard.js integration */\n    if (ClipboardJS.isSupported()) {\n      if (el.closest(\".copy\") || (\n        feature(\"content.code.copy\") && !el.closest(\".no-copy\")\n      )) {\n\n        /* Mount tooltip, if enabled */\n        const button = renderClipboardButton(parent.id)\n        buttons.push(button)\n        if (feature(\"content.tooltips\"))\n          content$.push(mountInlineTooltip2(button, { viewport$ }))\n      }\n    }\n\n    // @hack Render code navigation and buttons\n    if (buttons.length) {\n      const nav = renderCodeBlockNavigation()\n      nav.append(...buttons)\n      parent.insertBefore(nav, el)\n    }\n\n    /* Create and return component */\n    return watchCodeBlock(el)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state })),\n        mergeWith(merge(...content$).pipe(\n          takeUntil(done$)\n        )),\n      )\n  })\n\n  /* Mount code block lazily */\n  if (feature(\"content.lazy\"))\n    return watchElementVisibility(el)\n      .pipe(\n        filter(visible => visible),\n        take(1),\n        switchMap(() => factory$)\n      )\n\n  /* Mount code block */\n  return factory$\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  defer,\n  filter,\n  finalize,\n  map,\n  merge,\n  tap\n} from \"rxjs\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Details\n */\nexport interface Details {\n  action: \"open\" | \"close\"             /* Details state */\n  reveal?: boolean                     /* Details is revealed */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<boolean>          /* Media print observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<boolean>          /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch details\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details observable\n */\nexport function watchDetails(\n  el: HTMLDetailsElement, { target$, print$ }: WatchOptions\n): Observable<Details> {\n  let open = true\n  return merge(\n\n    /* Open and focus details on location target */\n    target$\n      .pipe(\n        map(target => target.closest(\"details:not([open])\")!),\n        filter(details => el === details),\n        map(() => ({\n          action: \"open\", reveal: true\n        }) as Details)\n      ),\n\n    /* Open details on print and close afterwards */\n    print$\n      .pipe(\n        filter(active => active || !open),\n        tap(() => open = el.open),\n        map(active => ({\n          action: active ? \"open\" : \"close\"\n        }) as Details)\n      )\n  )\n}\n\n/**\n * Mount details\n *\n * This function ensures that `details` tags are opened on anchor jumps and\n * prior to printing, so the whole content of the page is visible.\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details component observable\n */\nexport function mountDetails(\n  el: HTMLDetailsElement, options: MountOptions\n): Observable<Component<Details>> {\n  return defer(() => {\n    const push$ = new Subject<Details>()\n    push$.subscribe(({ action, reveal }) => {\n      el.toggleAttribute(\"open\", action === \"open\")\n      if (reveal)\n        el.scrollIntoView()\n    })\n\n    /* Create and return component */\n    return watchDetails(el, options)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  combineLatest,\n  distinctUntilChanged,\n  filter,\n  map,\n  of,\n  switchMap,\n  zip\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  getElements,\n  getOptionalElement,\n  requestHTML,\n  watchElementFocus,\n  watchElementHover\n} from \"~/browser\"\nimport { Sitemap } from \"~/integrations\"\nimport { renderTooltip2 } from \"~/templates\"\n\nimport { Component } from \"../../_\"\nimport { mountTooltip2 } from \"../../tooltip2\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Link\n */\nexport interface Link {}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Dependencies\n */\ninterface Dependencies {\n  sitemap$: Observable<Sitemap>        // Sitemap observable\n  viewport$: Observable<Viewport>      // Viewport observable\n  target$: Observable<HTMLElement>     // Location target observable\n  print$: Observable<boolean>          // Media print observable\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Global sequence number for instant previews\n */\nlet sequence = 0\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Extract elements until next heading\n *\n * @param headline - Heading\n *\n * @returns Elements until next heading\n */\nfunction extract(headline: HTMLElement): HTMLElement[] {\n  const newHeading = document.createElement(\"h3\")\n  newHeading.innerHTML = headline.innerHTML\n  const els = [newHeading]\n\n  //\n  let nextElement = headline.nextElementSibling\n  while (nextElement && !(nextElement instanceof HTMLHeadingElement)) {\n    // @ts-expect-error - fix once instant previews are stable\n    els.push(nextElement as HTMLElement)\n    nextElement = nextElement.nextElementSibling\n  }\n\n  //\n  return els\n}\n\n/**\n * Resolve relative URLs in the given document\n *\n * @todo deduplicate with resolution in instant navigation. This functoion also\n * adds the ability to resolve from a specific base URL, which is essential for\n * instant previews to work, so we should generalize this functionality the\n * next time we work on instant navigation.\n *\n * @param document - Document\n * @param base - Base URL\n *\n * @returns Document observable\n */\nfunction resolve(\n  document: Document, base: URL | string\n): Observable<Document> {\n\n  // Replace all links\n  for (const el of getElements(\"[href], [src]\", document))\n    for (const key of [\"href\", \"src\"]) {\n      const value = el.getAttribute(key)\n      if (value && !/^(?:[a-z]+:)?\\/\\//i.test(value)) {\n        // @ts-expect-error - trick: self-assign to resolve URL\n        el[key] = new URL(el.getAttribute(key), base).toString()\n        break\n      }\n    }\n\n  // Ensure ids are free of collisions (e.g. content tabs)\n  for (const el of getElements(\"[name^=__], [for]\", document))\n    for (const key of [\"id\", \"for\", \"name\"]) {\n      const value = el.getAttribute(key)\n      if (value) {\n        el.setAttribute(key, `${value}$preview_${sequence}`)\n      }\n    }\n\n  // Return document observable\n  sequence++\n  return of(document)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount Link\n *\n * @param el - Link element\n * @param dependencies - Depenendencies\n *\n * @returns Link component observable\n */\nexport function mountLink(\n  el: HTMLElement, dependencies: Dependencies\n): Observable<Component<Link>> {\n  const { sitemap$ } = dependencies\n  if (!(el instanceof HTMLAnchorElement))\n    return EMPTY\n\n  //\n  if (!(\n    feature(\"navigation.instant.preview\") ||\n    el.hasAttribute(\"data-preview\")\n  ))\n    return EMPTY\n\n  // Remove title, as it will overlay the instant preview, and we want to give\n  // instant previews precedence over titles \u2013 see https://t.ly/o0_Rk\n  el.removeAttribute(\"title\")\n\n  const active$ =\n    combineLatest([\n      watchElementFocus(el),\n      watchElementHover(el)\n    ])\n      .pipe(\n        map(([focus, hover]) => focus || hover),\n        distinctUntilChanged(),\n        filter(active => active)\n      )\n\n  // @todo: this is taken from the handle function in instant loading - we\n  // should generalize this once instant loading becomes stable.\n  const elements$ = zip([sitemap$, active$]).pipe(\n    switchMap(([sitemap]) => {\n      const url = new URL(el.href)\n      url.search = url.hash = \"\"\n\n      //\n      if (!sitemap.has(`${url}`))\n        return EMPTY\n\n      //\n      return of(url)\n    }),\n    switchMap(url => requestHTML(url).pipe(\n      switchMap(doc => resolve(doc, url))\n    )),\n    switchMap(doc => {\n      const selector = el.hash\n        ? `article [id=\"${el.hash.slice(1)}\"]`\n        : \"article h1\"\n\n      //\n      const target = getOptionalElement(selector, doc)\n      if (typeof target === \"undefined\")\n        return EMPTY\n\n      //\n      return of(extract(target))\n    })\n  )\n\n  //\n  return elements$.pipe(\n    switchMap(els => {\n      const content$ = new Observable<HTMLElement>(observer => {\n        const node = renderTooltip2(...els)\n        observer.next(node)\n\n        //\n        document.body.append(node)\n        return () => node.remove()\n      })\n\n      //\n      return mountTooltip2(el, { content$,  ...dependencies })\n    })\n  )\n}\n", ".node circle,.node ellipse,.node path,.node polygon,.node rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}marker{fill:var(--md-mermaid-edge-color)!important}.edgeLabel .label rect{fill:#0000}.flowchartTitleText{fill:var(--md-mermaid-label-fg-color)}.label{color:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.label foreignObject{line-height:normal;overflow:visible}.label div .edgeLabel{color:var(--md-mermaid-label-fg-color)}.edgeLabel,.edgeLabel p,.label div .edgeLabel{background-color:var(--md-mermaid-label-bg-color)}.edgeLabel,.edgeLabel p{fill:var(--md-mermaid-label-bg-color);color:var(--md-mermaid-edge-color)}.edgePath .path,.flowchart-link{stroke:var(--md-mermaid-edge-color)}.edgePath .arrowheadPath{fill:var(--md-mermaid-edge-color);stroke:none}.cluster rect{fill:var(--md-default-fg-color--lightest);stroke:var(--md-default-fg-color--lighter)}.cluster span{color:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}g #flowchart-circleEnd,g #flowchart-circleStart,g #flowchart-crossEnd,g #flowchart-crossStart,g #flowchart-pointEnd,g #flowchart-pointStart{stroke:none}.classDiagramTitleText{fill:var(--md-mermaid-label-fg-color)}g.classGroup line,g.classGroup rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}g.classGroup text{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.classLabel .box{fill:var(--md-mermaid-label-bg-color);background-color:var(--md-mermaid-label-bg-color);opacity:1}.classLabel .label{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.node .divider{stroke:var(--md-mermaid-node-fg-color)}.relation{stroke:var(--md-mermaid-edge-color)}.cardinality{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.cardinality text{fill:inherit!important}defs marker.marker.composition.class path,defs marker.marker.dependency.class path,defs marker.marker.extension.class path{fill:var(--md-mermaid-edge-color)!important;stroke:var(--md-mermaid-edge-color)!important}defs marker.marker.aggregation.class path{fill:var(--md-mermaid-label-bg-color)!important;stroke:var(--md-mermaid-edge-color)!important}.statediagramTitleText{fill:var(--md-mermaid-label-fg-color)}g.stateGroup rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}g.stateGroup .state-title{fill:var(--md-mermaid-label-fg-color)!important;font-family:var(--md-mermaid-font-family)}g.stateGroup .composit{fill:var(--md-mermaid-label-bg-color)}.nodeLabel,.nodeLabel p{color:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}a .nodeLabel{text-decoration:underline}.node circle.state-end,.node circle.state-start,.start-state{fill:var(--md-mermaid-edge-color);stroke:none}.end-state-inner,.end-state-outer{fill:var(--md-mermaid-edge-color)}.end-state-inner,.node circle.state-end{stroke:var(--md-mermaid-label-bg-color)}.transition{stroke:var(--md-mermaid-edge-color)}[id^=state-fork] rect,[id^=state-join] rect{fill:var(--md-mermaid-edge-color)!important;stroke:none!important}.statediagram-cluster.statediagram-cluster .inner{fill:var(--md-default-bg-color)}.statediagram-cluster rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}.statediagram-state rect.divider{fill:var(--md-default-fg-color--lightest);stroke:var(--md-default-fg-color--lighter)}defs #statediagram-barbEnd{stroke:var(--md-mermaid-edge-color)}[id^=entity] path,[id^=entity] rect{fill:var(--md-default-bg-color)}.relationshipLine{stroke:var(--md-mermaid-edge-color)}defs .marker.oneOrMore.er *,defs .marker.onlyOne.er *,defs .marker.zeroOrMore.er *,defs .marker.zeroOrOne.er *{stroke:var(--md-mermaid-edge-color)!important}text:not([class]):last-child{fill:var(--md-mermaid-label-fg-color)}.actor{fill:var(--md-mermaid-sequence-actor-bg-color);stroke:var(--md-mermaid-sequence-actor-border-color)}text.actor>tspan{fill:var(--md-mermaid-sequence-actor-fg-color);font-family:var(--md-mermaid-font-family)}line{stroke:var(--md-mermaid-sequence-actor-line-color)}.actor-man circle,.actor-man line{fill:var(--md-mermaid-sequence-actorman-bg-color);stroke:var(--md-mermaid-sequence-actorman-line-color)}.messageLine0,.messageLine1{stroke:var(--md-mermaid-sequence-message-line-color)}.note{fill:var(--md-mermaid-sequence-note-bg-color);stroke:var(--md-mermaid-sequence-note-border-color)}.loopText,.loopText>tspan,.messageText,.noteText>tspan{stroke:none;font-family:var(--md-mermaid-font-family)!important}.messageText{fill:var(--md-mermaid-sequence-message-fg-color)}.loopText,.loopText>tspan{fill:var(--md-mermaid-sequence-loop-fg-color)}.noteText>tspan{fill:var(--md-mermaid-sequence-note-fg-color)}#arrowhead path{fill:var(--md-mermaid-sequence-message-line-color);stroke:none}.loopLine{fill:var(--md-mermaid-sequence-loop-bg-color);stroke:var(--md-mermaid-sequence-loop-border-color)}.labelBox{fill:var(--md-mermaid-sequence-label-bg-color);stroke:none}.labelText,.labelText>span{fill:var(--md-mermaid-sequence-label-fg-color);font-family:var(--md-mermaid-font-family)}.sequenceNumber{fill:var(--md-mermaid-sequence-number-fg-color)}rect.rect{fill:var(--md-mermaid-sequence-box-bg-color);stroke:none}rect.rect+text.text{fill:var(--md-mermaid-sequence-box-fg-color)}defs #sequencenumber{fill:var(--md-mermaid-sequence-number-bg-color)!important}", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  map,\n  of,\n  shareReplay,\n  tap\n} from \"rxjs\"\n\nimport { watchScript } from \"~/browser\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\nimport themeCSS from \"./index.css\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mermaid diagram\n */\nexport interface Mermaid {}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Mermaid instance observable\n */\nlet mermaid$: Observable<void>\n\n/**\n * Global sequence number for diagrams\n */\nlet sequence = 0\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch Mermaid script\n *\n * @returns Mermaid scripts observable\n */\nfunction fetchScripts(): Observable<void> {\n  return typeof mermaid === \"undefined\" || mermaid instanceof Element\n    ? watchScript(\"https://unpkg.com/mermaid@11/dist/mermaid.min.js\")\n    : of(undefined)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount Mermaid diagram\n *\n * @param el - Code block element\n *\n * @returns Mermaid diagram component observable\n */\nexport function mountMermaid(\n  el: HTMLElement\n): Observable<Component<Mermaid>> {\n  el.classList.remove(\"mermaid\") // Hack: mitigate https://bit.ly/3CiN6Du\n  mermaid$ ||= fetchScripts()\n    .pipe(\n      tap(() => mermaid.initialize({\n        startOnLoad: false,\n        themeCSS,\n        sequence: {\n          actorFontSize: \"16px\", // Hack: mitigate https://bit.ly/3y0NEi3\n          messageFontSize: \"16px\",\n          noteFontSize: \"16px\"\n        }\n      })),\n      map(() => undefined),\n      shareReplay(1)\n    )\n\n  /* Render diagram */\n  mermaid$.subscribe(async () => {\n    el.classList.add(\"mermaid\") // Hack: mitigate https://bit.ly/3CiN6Du\n    const id = `__mermaid_${sequence++}`\n\n    /* Create host element to replace code block */\n    const host = h(\"div\", { class: \"mermaid\" })\n    const text = el.textContent\n\n    /* Render and inject diagram */\n    const { svg, fn } = await mermaid.render(id, text)\n\n    /* Create a shadow root and inject diagram */\n    const shadow = host.attachShadow({ mode: \"closed\" })\n    shadow.innerHTML = svg\n\n    /* Replace code block with diagram and bind functions */\n    el.replaceWith(host)\n    fn?.(shadow)\n  })\n\n  /* Create and return component */\n  return mermaid$\n    .pipe(\n      map(() => ({ ref: el }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, of } from \"rxjs\"\n\nimport { renderTable } from \"~/templates\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Data table\n */\nexport interface DataTable {}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Sentinel for replacement\n */\nconst sentinel = h(\"table\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount data table\n *\n * This function wraps a data table in another scrollable container, so it can\n * be smoothly scrolled on smaller screen sizes and won't break the layout.\n *\n * @param el - Data table element\n *\n * @returns Data table component observable\n */\nexport function mountDataTable(\n  el: HTMLElement\n): Observable<Component<DataTable>> {\n  el.replaceWith(sentinel)\n  sentinel.replaceWith(renderTable(el))\n\n  /* Create and return component */\n  return of({ ref: el })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  asyncScheduler,\n  auditTime,\n  combineLatest,\n  defer,\n  endWith,\n  filter,\n  finalize,\n  fromEvent,\n  ignoreElements,\n  map,\n  merge,\n  skip,\n  startWith,\n  subscribeOn,\n  takeUntil,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  getElement,\n  getElementContentOffset,\n  getElementContentSize,\n  getElementOffset,\n  getElementSize,\n  getElements,\n  watchElementContentOffset,\n  watchElementSize,\n  watchElementVisibility\n} from \"~/browser\"\nimport { renderTabbedControl } from \"~/templates\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Content tabs\n */\nexport interface ContentTabs {\n  active: HTMLLabelElement             /* Active tab label */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  target$: Observable<HTMLElement>     /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch content tabs\n *\n * @param inputs - Content tabs input elements\n *\n * @returns Content tabs observable\n */\nexport function watchContentTabs(\n  inputs: HTMLInputElement[]\n): Observable<ContentTabs> {\n  const initial = inputs.find(input => input.checked) || inputs[0]\n  return merge(...inputs.map(input => fromEvent(input, \"change\")\n    .pipe(\n      map(() => getElement<HTMLLabelElement>(`label[for=\"${input.id}\"]`))\n    )\n  ))\n    .pipe(\n      startWith(getElement<HTMLLabelElement>(`label[for=\"${initial.id}\"]`)),\n      map(active => ({ active }))\n    )\n}\n\n/**\n * Mount content tabs\n *\n * @param el - Content tabs element\n * @param options - Options\n *\n * @returns Content tabs component observable\n */\nexport function mountContentTabs(\n  el: HTMLElement, { viewport$, target$ }: MountOptions\n): Observable<Component<ContentTabs>> {\n  const container = getElement(\".tabbed-labels\", el)\n  const inputs = getElements<HTMLInputElement>(\":scope > input\", el)\n\n  /* Render content tab previous button for pagination */\n  const prev = renderTabbedControl(\"prev\")\n  el.append(prev)\n\n  /* Render content tab next button for pagination */\n  const next = renderTabbedControl(\"next\")\n  el.append(next)\n\n  /* Mount component on subscription */\n  return defer(() => {\n    const push$ = new Subject<ContentTabs>()\n    const done$ = push$.pipe(ignoreElements(), endWith(true))\n    combineLatest([push$, watchElementSize(el), watchElementVisibility(el)])\n      .pipe(\n        takeUntil(done$),\n        auditTime(1, animationFrameScheduler)\n      )\n        .subscribe({\n\n          /* Handle emission */\n          next([{ active }, size]) {\n            const offset = getElementOffset(active)\n            const { width } = getElementSize(active)\n\n            /* Set tab indicator offset and width */\n            el.style.setProperty(\"--md-indicator-x\", `${offset.x}px`)\n            el.style.setProperty(\"--md-indicator-width\", `${width}px`)\n\n            /* Scroll container to active content tab */\n            const content = getElementContentOffset(container)\n            if (\n              offset.x         < content.x              ||\n              offset.x + width > content.x + size.width\n            )\n              container.scrollTo({\n                left: Math.max(0, offset.x - 16),\n                behavior: \"smooth\"\n              })\n          },\n\n          /* Handle complete */\n          complete() {\n            el.style.removeProperty(\"--md-indicator-x\")\n            el.style.removeProperty(\"--md-indicator-width\")\n          }\n        })\n\n    /* Hide content tab buttons on borders */\n    combineLatest([\n      watchElementContentOffset(container),\n      watchElementSize(container)\n    ])\n      .pipe(\n        takeUntil(done$)\n      )\n        .subscribe(([offset, size]) => {\n          const content = getElementContentSize(container)\n          prev.hidden = offset.x < 16\n          next.hidden = offset.x > content.width - size.width - 16\n        })\n\n    /* Paginate content tab container on click */\n    merge(\n      fromEvent(prev, \"click\").pipe(map(() => -1)),\n      fromEvent(next, \"click\").pipe(map(() => +1))\n    )\n      .pipe(\n        takeUntil(done$)\n      )\n        .subscribe(direction => {\n          const { width } = getElementSize(container)\n          container.scrollBy({\n            left: width * direction,\n            behavior: \"smooth\"\n          })\n        })\n\n    /* Switch to content tab target */\n    target$\n      .pipe(\n        takeUntil(done$),\n        filter(input => inputs.includes(input as HTMLInputElement))\n      )\n        .subscribe(input => input.click())\n\n    /* Add link to each content tab label */\n    container.classList.add(\"tabbed-labels--linked\")\n    for (const input of inputs) {\n      const label = getElement<HTMLLabelElement>(`label[for=\"${input.id}\"]`)\n      label.replaceChildren(h(\"a\", {\n        href: `#${label.htmlFor}`,\n        tabIndex: -1\n      }, ...Array.from(label.childNodes)))\n\n      /* Allow to copy link without scrolling to anchor */\n      fromEvent<MouseEvent>(label.firstElementChild!, \"click\")\n        .pipe(\n          takeUntil(done$),\n          filter(ev => !(ev.metaKey || ev.ctrlKey)),\n          tap(ev => {\n            ev.preventDefault()\n            ev.stopPropagation()\n          })\n        )\n          // @todo we might need to remove the anchor link on complete\n          .subscribe(() => {\n            history.replaceState({}, \"\", `#${label.htmlFor}`)\n            label.click()\n          })\n    }\n\n    /* Set up linking of content tabs, if enabled */\n    if (feature(\"content.tabs.link\"))\n      push$.pipe(\n        skip(1),\n        withLatestFrom(viewport$)\n      )\n        .subscribe(([{ active }, { offset }]) => {\n          const tab = active.innerText.trim()\n          if (active.hasAttribute(\"data-md-switching\")) {\n            active.removeAttribute(\"data-md-switching\")\n\n          /* Determine viewport offset of active tab */\n          } else {\n            const y = el.offsetTop - offset.y\n\n            /* Passively activate other tabs */\n            for (const set of getElements(\"[data-tabs]\"))\n              for (const input of getElements<HTMLInputElement>(\n                \":scope > input\", set\n              )) {\n                const label = getElement(`label[for=\"${input.id}\"]`)\n                if (\n                  label !== active &&\n                  label.innerText.trim() === tab\n                ) {\n                  label.setAttribute(\"data-md-switching\", \"\")\n                  input.click()\n                  break\n                }\n              }\n\n            /* Bring active tab into view */\n            window.scrollTo({\n              top: el.offsetTop - y\n            })\n\n            /* Persist active tabs in local storage */\n            const tabs = __md_get<string[]>(\"__tabs\") || []\n            __md_set(\"__tabs\", [...new Set([tab, ...tabs])])\n          }\n        })\n\n    /* Pause media (audio, video) on switch - see https://bit.ly/3Bk6cel */\n    push$.pipe(takeUntil(done$))\n      .subscribe(() => {\n        // If the video or audio is visible, and has autoplay enabled, it will\n        // continue playing. If it's not visible, it is paused in any case\n        for (const media of getElements<HTMLAudioElement>(\"audio, video\", el)) {\n          if (media.offsetWidth && media.autoplay) {\n            media.play().catch(() => {}) // Just ignore errors\n          } else {\n            media.pause()\n          }\n        }\n      })\n\n    /* Create and return component */\n    return watchContentTabs(inputs)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n    .pipe(\n      subscribeOn(asyncScheduler)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, merge } from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport { Viewport, getElements } from \"~/browser\"\nimport { Sitemap } from \"~/integrations\"\nimport { renderTooltip2 } from \"~/templates\"\n\nimport { Component } from \"../../_\"\nimport {\n  Tooltip,\n  mountInlineTooltip2,\n  mountTooltip2\n} from \"../../tooltip2\"\nimport {\n  Annotation,\n  mountAnnotationBlock\n} from \"../annotation\"\nimport {\n  CodeBlock,\n  mountCodeBlock\n} from \"../code\"\nimport {\n  Details,\n  mountDetails\n} from \"../details\"\nimport {\n  Link,\n  mountLink\n} from \"../link\"\nimport {\n  Mermaid,\n  mountMermaid\n} from \"../mermaid\"\nimport {\n  DataTable,\n  mountDataTable\n} from \"../table\"\nimport {\n  ContentTabs,\n  mountContentTabs\n} from \"../tabs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Content\n */\nexport type Content =\n  | Annotation\n  | CodeBlock\n  | ContentTabs\n  | DataTable\n  | Details\n  | Link\n  | Mermaid\n  | Tooltip\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Dependencies\n */\ninterface Dependencies {\n  sitemap$: Observable<Sitemap>        // Sitemap observable\n  viewport$: Observable<Viewport>      // Viewport observable\n  target$: Observable<HTMLElement>     // Location target observable\n  print$: Observable<boolean>          // Media print observable\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount content\n *\n * This function mounts all components that are found in the content of the\n * actual article, including code blocks, data tables and details.\n *\n * @param el - Content element\n * @param dependencies - Dependencies\n *\n * @returns Content component observable\n */\nexport function mountContent(\n  el: HTMLElement, dependencies: Dependencies\n): Observable<Component<Content>> {\n  const { viewport$, target$, print$ } = dependencies\n  return merge(\n\n    // Annotations\n    ...getElements(\".annotate:not(.highlight)\", el)\n      .map(child => mountAnnotationBlock(child, { target$, print$ })),\n\n    // Code blocks\n    ...getElements(\"pre:not(.mermaid) > code\", el)\n      .map(child => mountCodeBlock(child, { target$, print$ })),\n\n    // Links\n    ...getElements(\"a\", el)\n      .map(child => mountLink(child, dependencies)),\n\n    // Mermaid diagrams\n    ...getElements(\"pre.mermaid\", el)\n      .map(child => mountMermaid(child)),\n\n    // Data tables\n    ...getElements(\"table:not([class])\", el)\n      .map(child => mountDataTable(child)),\n\n    // Details\n    ...getElements(\"details\", el)\n      .map(child => mountDetails(child, { target$, print$ })),\n\n    // Content tabs\n    ...getElements(\"[data-tabs]\", el)\n      .map(child => mountContentTabs(child, { viewport$, target$ })),\n\n    // Tooltips\n    ...getElements(\"[title]:not([data-preview])\", el)\n      .filter(() => feature(\"content.tooltips\"))\n      .map(child => mountInlineTooltip2(child, { viewport$ })),\n\n    // Footnotes\n    ...getElements(\".footnote-ref\", el)\n      .filter(() => feature(\"content.footnote.tooltips\"))\n      // move into specific function! mountTooltip is a low level primitive...\n      .map(child => mountTooltip2(child, {\n        content$: new Observable<HTMLElement>(observer => {\n          // @ts-ignore\n          const hash = new URL(child.href).hash.slice(1)\n          const arr = Array.from(document.getElementById(hash)!\n            // @ts-ignore\n            // eslint-disable-next-line\n            .cloneNode(true).children) as any\n          const node = renderTooltip2(...arr)\n          observer.next(node)\n\n          // Append tooltip and remove on unsubscription\n          document.body.append(node)\n          return () => node.remove()\n        }),\n        viewport$\n      }))\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  defer,\n  delay,\n  finalize,\n  map,\n  merge,\n  of,\n  switchMap,\n  tap\n} from \"rxjs\"\n\nimport { getElement } from \"~/browser\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Dialog\n */\nexport interface Dialog {\n  message: string                      /* Dialog message */\n  active: boolean                      /* Dialog is active */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  alert$: Subject<string>              /* Alert subject */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  alert$: Subject<string>              /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch dialog\n *\n * @param _el - Dialog element\n * @param options - Options\n *\n * @returns Dialog observable\n */\nexport function watchDialog(\n  _el: HTMLElement, { alert$ }: WatchOptions\n): Observable<Dialog> {\n  return alert$\n    .pipe(\n      switchMap(message => merge(\n        of(true),\n        of(false).pipe(delay(2000))\n      )\n        .pipe(\n          map(active => ({ message, active }))\n        )\n      )\n    )\n}\n\n/**\n * Mount dialog\n *\n * This function reveals the dialog in the right corner when a new alert is\n * emitted through the subject that is passed as part of the options.\n *\n * @param el - Dialog element\n * @param options - Options\n *\n * @returns Dialog component observable\n */\nexport function mountDialog(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<Dialog>> {\n  const inner = getElement(\".md-typeset\", el)\n  return defer(() => {\n    const push$ = new Subject<Dialog>()\n    push$.subscribe(({ message, active }) => {\n      el.classList.toggle(\"md-dialog--active\", active)\n      inner.textContent = message\n    })\n\n    /* Create and return component */\n    return watchDialog(el, options)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  asyncScheduler,\n  auditTime,\n  combineLatest,\n  debounceTime,\n  defer,\n  distinctUntilChanged,\n  filter,\n  finalize,\n  map,\n  merge,\n  of,\n  subscribeOn,\n  tap,\n  throttleTime\n} from \"rxjs\"\n\nimport {\n  ElementOffset,\n  getElement,\n  getElementContainer,\n  getElementOffset,\n  getElementSize,\n  watchElementContentOffset,\n  watchElementFocus,\n  watchElementHover\n} from \"~/browser\"\nimport { renderTooltip } from \"~/templates\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tooltip\n */\nexport interface Tooltip {\n  active: boolean                      /* Tooltip is active */\n  offset: ElementOffset                /* Tooltip offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Global sequence number for tooltips\n */\nlet sequence = 0\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch tooltip\n *\n * This function will append the tooltip temporarily to compute its width,\n * which is necessary for correct centering, and then removing it again.\n *\n * @param el - Tooltip element\n * @param host - Host element\n *\n * @returns Tooltip observable\n */\nexport function watchTooltip(\n  el: HTMLElement, host: HTMLElement\n): Observable<Tooltip> {\n  document.body.append(el)\n\n  /* Compute width and remove tooltip immediately */\n  const { width } = getElementSize(el)\n  el.style.setProperty(\"--md-tooltip-width\", `${width}px`)\n  el.remove()\n\n  /* Retrieve and watch containing element */\n  const container = getElementContainer(host)\n  const scroll$ =\n    typeof container !== \"undefined\"\n      ? watchElementContentOffset(container)\n      : of({ x: 0, y: 0 })\n\n  /* Compute tooltip visibility */\n  const active$ = merge(\n    watchElementFocus(host),\n    watchElementHover(host)\n  )\n    .pipe(\n      distinctUntilChanged()\n    )\n\n  /* Compute tooltip offset */\n  return combineLatest([active$, scroll$])\n    .pipe(\n      map(([active, scroll]) => {\n        let { x, y } = getElementOffset(host)\n        const size = getElementSize(host)\n\n        /**\n         * Experimental: fix handling of tables - see https://bit.ly/3TQEj5O\n         *\n         * If this proves to be a viable fix, we should refactor tooltip\n         * positioning and somehow streamline the current process. This might\n         * also fix positioning for annotations inside tables, which is another\n         * limitation.\n         */\n        const table = host.closest(\"table\")\n        if (table && host.parentElement) {\n          x += table.offsetLeft + host.parentElement.offsetLeft\n          y += table.offsetTop  + host.parentElement.offsetTop\n        }\n        return {\n          active,\n          offset: {\n            x: x - scroll.x + size.width  / 2 - width / 2,\n            y: y - scroll.y + size.height + 8\n          }\n        }\n      })\n    )\n}\n\n/**\n * Mount tooltip\n *\n * @param el - Host element\n *\n * @returns Tooltip component observable\n */\nexport function mountTooltip(\n  el: HTMLElement\n): Observable<Component<Tooltip>> {\n  const title = el.title\n  if (!title.length)\n    return EMPTY\n\n  /* Render tooltip and set title from host element */\n  const id = `__tooltip_${sequence++}`\n  const tooltip = renderTooltip(id, \"inline\")\n  const typeset = getElement(\".md-typeset\", tooltip)\n  typeset.innerHTML = title\n\n  /* Mount component on subscription */\n  return defer(() => {\n    const push$ = new Subject<Tooltip>()\n    push$.subscribe({\n\n      /* Handle emission */\n      next({ offset }) {\n        tooltip.style.setProperty(\"--md-tooltip-x\", `${offset.x}px`)\n        tooltip.style.setProperty(\"--md-tooltip-y\", `${offset.y}px`)\n      },\n\n      /* Handle complete */\n      complete() {\n        tooltip.style.removeProperty(\"--md-tooltip-x\")\n        tooltip.style.removeProperty(\"--md-tooltip-y\")\n      }\n    })\n\n    /* Toggle tooltip presence to mitigate empty lines when copying */\n    merge(\n      push$.pipe(filter(({ active }) => active)),\n      push$.pipe(debounceTime(250), filter(({ active }) => !active))\n    )\n      .subscribe({\n\n        /* Handle emission */\n        next({ active }) {\n          if (active) {\n            el.insertAdjacentElement(\"afterend\", tooltip)\n            el.setAttribute(\"aria-describedby\", id)\n            el.removeAttribute(\"title\")\n          } else {\n            tooltip.remove()\n            el.removeAttribute(\"aria-describedby\")\n            el.setAttribute(\"title\", title)\n          }\n        },\n\n        /* Handle complete */\n        complete() {\n          tooltip.remove()\n          el.removeAttribute(\"aria-describedby\")\n          el.setAttribute(\"title\", title)\n        }\n      })\n\n    /* Toggle tooltip visibility */\n    push$\n      .pipe(\n        auditTime(16, animationFrameScheduler)\n      )\n        .subscribe(({ active }) => {\n          tooltip.classList.toggle(\"md-tooltip--active\", active)\n        })\n\n    // @todo - refactor positioning together with annotations \u2013 there are\n    // several things that overlap and are identical in handling\n\n    /* Track relative origin of tooltip */\n    push$\n      .pipe(\n        throttleTime(125, animationFrameScheduler),\n        filter(() => !!el.offsetParent),\n        map(() => el.offsetParent!.getBoundingClientRect()),\n        map(({ x }) => x)\n      )\n      .subscribe({\n\n        /* Handle emission */\n        next(origin) {\n          if (origin)\n            tooltip.style.setProperty(\"--md-tooltip-0\", `${-origin}px`)\n          else\n            tooltip.style.removeProperty(\"--md-tooltip-0\")\n        },\n\n        /* Handle complete */\n        complete() {\n          tooltip.style.removeProperty(\"--md-tooltip-0\")\n        }\n      })\n\n    /* Create and return component */\n    return watchTooltip(tooltip, el)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n    .pipe(\n      subscribeOn(asyncScheduler)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  bufferCount,\n  combineLatest,\n  combineLatestWith,\n  defer,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  endWith,\n  filter,\n  from,\n  ignoreElements,\n  map,\n  mergeMap,\n  mergeWith,\n  of,\n  shareReplay,\n  startWith,\n  switchMap,\n  takeUntil\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  getElements,\n  watchElementSize,\n  watchToggle\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Main } from \"../../main\"\nimport { Tooltip, mountTooltip } from \"../../tooltip\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface Header {\n  height: number                       /* Header visible height */\n  hidden: boolean                      /* Header is hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Dependencies\n */\ninterface Dependencies {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Compute whether the header is hidden\n *\n * If the user scrolls past a certain threshold, the header can be hidden when\n * scrolling down, and shown when scrolling up.\n *\n * @param dependencies - Dependencies\n *\n * @returns Toggle observable\n */\nfunction isHidden(\n  { viewport$ }: Pick<Dependencies, \"viewport$\">\n): Observable<boolean> {\n  if (!feature(\"header.autohide\"))\n    return of(false)\n\n  /* Compute direction and turning point */\n  const direction$ = viewport$\n    .pipe(\n      map(({ offset: { y } }) => y),\n      bufferCount(2, 1),\n      map(([a, b]) => [a < b, b] as const),\n      distinctUntilKeyChanged(0)\n    )\n\n  /* Compute whether header should be hidden */\n  const hidden$ = combineLatest([viewport$, direction$])\n    .pipe(\n      filter(([{ offset }, [, y]]) => Math.abs(y - offset.y) > 100),\n      map(([, [direction]]) => direction),\n      distinctUntilChanged()\n    )\n\n  /* Compute threshold for hiding */\n  const search$ = watchToggle(\"search\")\n  return combineLatest([viewport$, search$])\n    .pipe(\n      map(([{ offset }, search]) => offset.y > 400 && !search),\n      distinctUntilChanged(),\n      switchMap(active => active ? hidden$ : of(false)),\n      startWith(false)\n    )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header\n *\n * @param el - Header element\n * @param dependencies - Dependencies\n *\n * @returns Header observable\n */\nexport function watchHeader(\n  el: HTMLElement, dependencies: Pick<Dependencies, \"viewport$\">\n): Observable<Header> {\n  return defer(() => combineLatest([\n    watchElementSize(el),\n    isHidden(dependencies)\n  ]))\n    .pipe(\n      map(([{ height }, hidden]) => ({\n        height,\n        hidden\n      })),\n      distinctUntilChanged((a, b) => (\n        a.height === b.height &&\n        a.hidden === b.hidden\n      )),\n      shareReplay(1)\n    )\n}\n\n/**\n * Mount header\n *\n * This function manages the different states of the header, i.e. whether it's\n * hidden or rendered with a shadow. This depends heavily on the main area.\n *\n * @param el - Header element\n * @param dependencies - Dependencies\n *\n * @returns Header component observable\n */\nexport function mountHeader(\n  el: HTMLElement, { header$, main$ }: Dependencies\n): Observable<Component<Header | Tooltip>> {\n  return defer(() => {\n    const push$ = new Subject<Main>()\n    const done$ = push$.pipe(ignoreElements(), endWith(true))\n    push$\n      .pipe(\n        distinctUntilKeyChanged(\"active\"),\n        combineLatestWith(header$)\n      )\n        .subscribe(([{ active }, { hidden }]) => {\n          el.classList.toggle(\"md-header--shadow\", active && !hidden)\n          el.hidden = hidden\n        })\n\n    /* Mount tooltips, if enabled */\n    const tooltips = from(getElements(\"[title]\", el))\n      .pipe(\n        filter(() => feature(\"content.tooltips\")),\n        mergeMap(child => mountTooltip(child))\n      )\n\n    /* Link to main area */\n    main$.subscribe(push$)\n\n    /* Create and return component */\n    return header$\n      .pipe(\n        takeUntil(done$),\n        map(state => ({ ref: el, ...state })),\n        mergeWith(tooltips.pipe(takeUntil(done$)))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  defer,\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  tap\n} from \"rxjs\"\n\nimport {\n  Viewport,\n  getElementSize,\n  getOptionalElement,\n  watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Header } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface HeaderTitle {\n  active: boolean                      /* Header title is active */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header title\n *\n * @param el - Heading element\n * @param options - Options\n *\n * @returns Header title observable\n */\nexport function watchHeaderTitle(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<HeaderTitle> {\n  return watchViewportAt(el, { viewport$, header$ })\n    .pipe(\n      map(({ offset: { y } }) => {\n        const { height } = getElementSize(el)\n        return {\n          active: height > 0 && y >= height\n        }\n      }),\n      distinctUntilKeyChanged(\"active\")\n    )\n}\n\n/**\n * Mount header title\n *\n * This function swaps the header title from the site title to the title of the\n * current page when the user scrolls past the first headline.\n *\n * @param el - Header title element\n * @param options - Options\n *\n * @returns Header title component observable\n */\nexport function mountHeaderTitle(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<HeaderTitle>> {\n  return defer(() => {\n    const push$ = new Subject<HeaderTitle>()\n    push$.subscribe({\n\n      /* Handle emission */\n      next({ active }) {\n        el.classList.toggle(\"md-header__title--active\", active)\n      },\n\n      /* Handle complete */\n      complete() {\n        el.classList.remove(\"md-header__title--active\")\n      }\n    })\n\n    /* Obtain headline, if any */\n    const heading = getOptionalElement(\".md-content h1\")\n    if (typeof heading === \"undefined\")\n      return EMPTY\n\n    /* Create and return component */\n    return watchHeaderTitle(heading, options)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  combineLatest,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  map,\n  switchMap\n} from \"rxjs\"\n\nimport {\n  Viewport,\n  watchElementSize\n} from \"~/browser\"\n\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Main area\n */\nexport interface Main {\n  offset: number                       /* Main area top offset */\n  height: number                       /* Main area visible height */\n  active: boolean                      /* Main area is active */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch main area\n *\n * This function returns an observable that computes the visual parameters of\n * the main area which depends on the viewport vertical offset and height, as\n * well as the height of the header element, if the header is fixed.\n *\n * @param el - Main area element\n * @param options - Options\n *\n * @returns Main area observable\n */\nexport function watchMain(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<Main> {\n\n  /* Compute necessary adjustment for header */\n  const adjust$ = header$\n    .pipe(\n      map(({ height }) => height),\n      distinctUntilChanged()\n    )\n\n  /* Compute the main area's top and bottom borders */\n  const border$ = adjust$\n    .pipe(\n      switchMap(() => watchElementSize(el)\n        .pipe(\n          map(({ height }) => ({\n            top:    el.offsetTop,\n            bottom: el.offsetTop + height\n          })),\n          distinctUntilKeyChanged(\"bottom\")\n        )\n      )\n    )\n\n  /* Compute the main area's offset, visible height and if we scrolled past */\n  return combineLatest([adjust$, border$, viewport$])\n    .pipe(\n      map(([header, { top, bottom }, { offset: { y }, size: { height } }]) => {\n        height = Math.max(0, height\n          - Math.max(0, top    - y,  header)\n          - Math.max(0, height + y - bottom)\n        )\n        return {\n          offset: top - header,\n          height,\n          active: top - header <= y\n        }\n      }),\n      distinctUntilChanged((a, b) => (\n        a.offset === b.offset &&\n        a.height === b.height &&\n        a.active === b.active\n      ))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  asyncScheduler,\n  defer,\n  filter,\n  finalize,\n  fromEvent,\n  map,\n  mergeMap,\n  observeOn,\n  of,\n  repeat,\n  shareReplay,\n  skip,\n  startWith,\n  takeUntil,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { getElements, watchMedia } from \"~/browser\"\nimport { h } from \"~/utilities\"\n\nimport {\n  Component,\n  getComponentElement\n} from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Palette colors\n */\nexport interface PaletteColor {\n  media?: string                       /* Media query */\n  scheme?: string                      /* Color scheme */\n  primary?: string                     /* Primary color */\n  accent?: string                      /* Accent color */\n}\n\n/**\n * Palette\n */\nexport interface Palette {\n  index: number                        /* Palette index */\n  color: PaletteColor                  /* Palette colors */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch color palette\n *\n * @param inputs - Color palette element\n *\n * @returns Color palette observable\n */\nexport function watchPalette(\n  inputs: HTMLInputElement[]\n): Observable<Palette> {\n  const current = __md_get<Palette>(\"__palette\") || {\n    index: inputs.findIndex(input => matchMedia(\n      input.getAttribute(\"data-md-color-media\")!\n    ).matches)\n  }\n\n  /* Emit changes in color palette */\n  const index = Math.max(0, Math.min(current.index, inputs.length - 1))\n  return of(...inputs)\n    .pipe(\n      mergeMap(input => fromEvent(input, \"change\").pipe(map(() => input))),\n      startWith(inputs[index]),\n      map(input => ({\n        index: inputs.indexOf(input),\n        color: {\n          media:   input.getAttribute(\"data-md-color-media\"),\n          scheme:  input.getAttribute(\"data-md-color-scheme\"),\n          primary: input.getAttribute(\"data-md-color-primary\"),\n          accent:  input.getAttribute(\"data-md-color-accent\")\n        }\n      } as Palette)),\n      shareReplay(1)\n    )\n}\n\n/**\n * Mount color palette\n *\n * @param el - Color palette element\n *\n * @returns Color palette component observable\n */\nexport function mountPalette(\n  el: HTMLElement\n): Observable<Component<Palette>> {\n  const inputs = getElements<HTMLInputElement>(\"input\", el)\n  const meta = h(\"meta\", { name: \"theme-color\" })\n  document.head.appendChild(meta)\n\n  // Add color scheme meta tag\n  const scheme = h(\"meta\", { name: \"color-scheme\" })\n  document.head.appendChild(scheme)\n\n  /* Mount component on subscription */\n  const media$ = watchMedia(\"(prefers-color-scheme: light)\")\n  return defer(() => {\n    const push$ = new Subject<Palette>()\n    push$.subscribe(palette => {\n      document.body.setAttribute(\"data-md-color-switching\", \"\")\n\n      /* Retrieve color palette for system preference */\n      if (palette.color.media === \"(prefers-color-scheme)\") {\n        const media = matchMedia(\"(prefers-color-scheme: light)\")\n        const input = document.querySelector(media.matches\n          ? \"[data-md-color-media='(prefers-color-scheme: light)']\"\n          : \"[data-md-color-media='(prefers-color-scheme: dark)']\"\n        )!\n\n        /* Retrieve colors for system preference */\n        palette.color.scheme  = input.getAttribute(\"data-md-color-scheme\")!\n        palette.color.primary = input.getAttribute(\"data-md-color-primary\")!\n        palette.color.accent  = input.getAttribute(\"data-md-color-accent\")!\n      }\n\n      /* Set color palette */\n      for (const [key, value] of Object.entries(palette.color))\n        document.body.setAttribute(`data-md-color-${key}`, value)\n\n      /* Set toggle visibility */\n      for (let index = 0; index < inputs.length; index++) {\n        const label = inputs[index].nextElementSibling\n        if (label instanceof HTMLElement)\n          label.hidden = palette.index !== index\n      }\n\n      /* Persist preference in local storage */\n      __md_set(\"__palette\", palette)\n    })\n\n    // Handle color switch on Enter or Space - see https://t.ly/YIhVj\n    fromEvent<KeyboardEvent>(el, \"keydown\").pipe(\n      filter(ev => ev.key === \"Enter\"),\n      withLatestFrom(push$, (_, palette) => palette)\n    )\n      .subscribe(({ index }) => {\n        index = (index + 1) % inputs.length\n        inputs[index].click()\n        inputs[index].focus()\n      })\n\n    /* Update theme-color meta tag */\n    push$\n      .pipe(\n        map(() => {\n          const header = getComponentElement(\"header\")\n          const style  = window.getComputedStyle(header)\n\n          // Set color scheme\n          scheme.content = style.colorScheme\n\n          /* Return color in hexadecimal format */\n          return style.backgroundColor.match(/\\d+/g)!\n            .map(value => (+value).toString(16).padStart(2, \"0\"))\n            .join(\"\")\n        })\n      )\n        .subscribe(color => meta.content = `#${color}`)\n\n    /* Revert transition durations after color switch */\n    push$.pipe(observeOn(asyncScheduler))\n      .subscribe(() => {\n        document.body.removeAttribute(\"data-md-color-switching\")\n      })\n\n    /* Create and return component */\n    return watchPalette(inputs)\n      .pipe(\n        takeUntil(media$.pipe(skip(1))),\n        repeat(),\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  defer,\n  finalize,\n  map,\n  tap\n} from \"rxjs\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Progress indicator\n */\nexport interface Progress {\n  value: number                        // Progress value\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  progress$: Subject<number>           // Progress subject\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount progress indicator\n *\n * @param el - Progress indicator element\n * @param options - Options\n *\n * @returns Progress indicator component observable\n */\nexport function mountProgress(\n  el: HTMLElement, { progress$ }: MountOptions\n): Observable<Component<Progress>> {\n\n  // Mount component on subscription\n  return defer(() => {\n    const push$ = new Subject<Progress>()\n    push$.subscribe(({ value }) => {\n      el.style.setProperty(\"--md-progress-value\", `${value}`)\n    })\n\n    // Create and return component\n    return progress$\n      .pipe(\n        tap(value => push$.next({ value })),\n        finalize(() => push$.complete()),\n        map(value => ({ ref: el, value }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  catchError,\n  map,\n  of,\n  share\n} from \"rxjs\"\n\nimport {\n  getElement,\n  getElements,\n  requestXML\n} from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sitemap, i.e. a list of URLs\n */\nexport type Sitemap = Map<string, URL[]>\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Resolve URL to the given base URL\n *\n * When serving the site with instant navigation, MkDocs will set the hostname\n * to the value as specified in `dev_addr`, but the browser allows for several\n * hostnames to be used: `localhost`, `127.0.0.1` or even `0.0.0.0`, depending\n * on configuration. This function resolves the URL to the given hostname.\n *\n * @param url - URL\n * @param base - Base URL\n *\n * @returns Resolved URL\n */\nfunction resolve(url: URL, base: URL) {\n  url.protocol = base.protocol\n  url.hostname = base.hostname\n  return url\n}\n\n/**\n * Extract sitemap from document\n *\n * This function extracts the URLs and alternate links from the document, and\n * associates alternate links to the original URL as found in `loc`, allowing\n * the browser to navigate to the correct page when switching languages. The\n * format of the sitemap is expected to adhere to:\n *\n * ``` xml\n * <urlset>\n *   <url>\n *     <loc>...</loc>\n *     <xhtml:link rel=\"alternate\" hreflang=\"en\" href=\"...\"/>\n *     <xhtml:link rel=\"alternate\" hreflang=\"de\" href=\"...\"/>\n *     ...\n *   </url>\n *   ...\n * </urlset>\n * ```\n *\n * @param document - Document\n * @param base - Base URL\n *\n * @returns Sitemap\n */\nfunction extract(document: Document, base: URL): Sitemap {\n  const sitemap: Sitemap = new Map()\n  for (const el of getElements(\"url\", document)) {\n    const url = getElement(\"loc\", el)\n\n    // Create entry for location and add it to the list of links\n    const links = [resolve(new URL(url.textContent!), base)]\n    sitemap.set(`${links[0]}`, links)\n\n    // Attach alternate links to current entry\n    for (const link of getElements(\"[rel=alternate]\", el)) {\n      const href = link.getAttribute(\"href\")\n      if (href != null)\n        links.push(resolve(new URL(href), base))\n    }\n  }\n\n  // Return sitemap\n  return sitemap\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch the sitemap for the given base URL\n *\n * If a network or parsing error occurs, we just default to an empty sitemap,\n * which means the caller should fall back to regular navigation.\n *\n * @param base - Base URL\n *\n * @returns Sitemap observable\n */\nexport function fetchSitemap(base: URL | string): Observable<Sitemap> {\n  return requestXML(new URL(\"sitemap.xml\", base))\n    .pipe(\n      map(document => extract(document, new URL(base))),\n      catchError(() => of(new Map())),\n      share()\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  catchError,\n  filter,\n  fromEvent,\n  map,\n  mergeMap,\n  of,\n  switchMap\n} from \"rxjs\"\n\nimport { configuration } from \"~/_\"\nimport {\n  getElements,\n  getLocation,\n  setLocation\n} from \"~/browser\"\n\nimport { Sitemap, fetchSitemap } from \"../sitemap\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n  document$: Observable<Document>      /* Document subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up alternate version navigation\n *\n * @param options - Options\n */\nexport function setupAlternate(\n  { document$ }: SetupOptions\n): void {\n  const alternate = new Map<string, Sitemap>()\n\n  // Fetch sitemaps for all discovered alternate versions\n  document$\n    .pipe(\n      switchMap(() => getElements<HTMLLinkElement>(\"link[rel=alternate]\")),\n      map(el => new URL(el.href)),\n      filter(url => !alternate.has(url.toString())),\n      mergeMap(url => fetchSitemap(url)\n        .pipe(\n          map(sitemap => [url, sitemap] as const),\n          catchError(() => EMPTY)\n        )\n      )\n    )\n\n      // Persist fully qualified URL, because alternate versions may be on\n      // entirely different domains, but as long a proper cross-origin policy\n      // is set, we can still navigate to them. Also, remove the trailing slash\n      // to normalize the URL\n      .subscribe(([url, sitemap]) => {\n        alternate.set(url.toString().replace(/\\/$/, \"\"), sitemap)\n      })\n\n  // Intercept alternate navigation - when refactoring instant navigation later,\n  // we should provide a single stream of events that we all subscribe to, and\n  // from which we implement version and alternate language navigation\n  fromEvent<MouseEvent>(document.body, \"click\")\n    .pipe(\n      filter(ev => !ev.metaKey && !ev.ctrlKey),\n      switchMap(ev => {\n        if (ev.target instanceof Element) {\n          const el = ev.target.closest(\"a\")\n\n          // Now, we need to check whether the navigation target is an alternate\n          // version. If so, we need to prevent the default navigation behavior\n          // and instead navigate to the correct page, if we can resolve it.\n          if (el && !el.target) {\n            const result = [...alternate].find(([url]) => (\n              el.href.startsWith(`${url}/`)\n            ))\n\n            // Check, that we got a sitemap at least, so we know that we either\n            // navigate on the current site, or to an alternate site\n            if (typeof result === \"undefined\")\n              return EMPTY\n\n            // Check that we go to and alternate site\n            const [url, sitemap] = result\n            const location = getLocation()\n            if (location.href.startsWith(url))\n              return EMPTY\n\n            // Isolate the part to which we navigate and check if it's in the\n            // sitemap that we resolved earlier @todo: refactor this, as the\n            // semantics slightly changed due to the new sitemap resolution\n            // implementation, which normalizes all URLs.\n            const config = configuration()\n            let path = location.href.replace(config.base, \"\")\n            path = `${url}/${path}`\n            const target = sitemap.has(path.split(\"#\")[0])\n              ? new URL(path, config.base)\n              : new URL(url)\n\n            // Steal navigation and navigate to the correct page\n            ev.preventDefault()\n            return of(target)\n          }\n        }\n        return EMPTY\n      })\n    )\n    .subscribe(url => setLocation(url, true))\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport {\n  Observable,\n  Subject,\n  map,\n  tap\n} from \"rxjs\"\n\nimport { translation } from \"~/_\"\nimport { getElement } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n  alert$: Subject<string>              /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Extract text to copy\n *\n * @param el - HTML element\n *\n * @returns Extracted text\n */\nfunction extract(el: HTMLElement): string {\n  el.setAttribute(\"data-md-copying\", \"\")\n  const copy = el.closest(\"[data-copy]\")\n  const text = copy\n    ? copy.getAttribute(\"data-copy\")!\n    : el.innerText\n  el.removeAttribute(\"data-md-copying\")\n  return text.trimEnd()\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up Clipboard.js integration\n *\n * @param options - Options\n */\nexport function setupClipboardJS(\n  { alert$ }: SetupOptions\n): void {\n  if (ClipboardJS.isSupported()) {\n    new Observable<ClipboardJS.Event>(subscriber => {\n      new ClipboardJS(\"[data-clipboard-target], [data-clipboard-text]\", {\n        text: el => (\n          el.getAttribute(\"data-clipboard-text\")! ||\n          extract(getElement(\n            el.getAttribute(\"data-clipboard-target\")!\n          ))\n        )\n      })\n        .on(\"success\", ev => subscriber.next(ev))\n    })\n      .pipe(\n        tap(ev => {\n          const trigger = ev.trigger as HTMLElement\n          trigger.focus()\n        }),\n        map(() => translation(\"clipboard.copied\"))\n      )\n        .subscribe(alert$)\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  catchError,\n  combineLatestWith,\n  concat,\n  debounceTime,\n  distinct,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  endWith,\n  exhaustMap,\n  fromEvent,\n  ignoreElements,\n  map,\n  merge,\n  of,\n  share,\n  switchMap,\n  take,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  getElements,\n  getLocation,\n  getOptionalElement,\n  requestHTML,\n  setLocation,\n  setLocationHash\n} from \"~/browser\"\nimport { getComponentElement } from \"~/components\"\n\nimport { Sitemap } from \"../sitemap\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n  sitemap$: Observable<Sitemap>        // Sitemap observable\n  location$: Subject<URL>              // Location subject\n  viewport$: Observable<Viewport>      // Viewport observable\n  progress$: Subject<number>           // Progress subject\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Handle clicks on internal URLs while skipping external URLs\n *\n * @param ev - Mouse event\n * @param sitemap - Sitemap\n *\n * @returns Anchor observable\n */\nfunction handle(\n  ev: MouseEvent, sitemap: Sitemap\n): Observable<HTMLAnchorElement> {\n  if (!(ev.target instanceof Element))\n    return EMPTY\n\n  // Skip, as target is not within a link - clicks on non-link elements are\n  // also captured, which we need to exclude from processing\n  const el = ev.target.closest(\"a\")\n  if (el === null)\n    return EMPTY\n\n  // Skip, as link opens in new window - we now know we have captured a click\n  // on a link, but the link either has a `target` property defined, or the\n  // user pressed the `meta` or `ctrl` key to open it in a new window. Thus,\n  // we need to filter this event as well.\n  if (el.target || ev.metaKey || ev.ctrlKey)\n    return EMPTY\n\n  // Next, we must check if the URL is relevant for us, i.e., if it's an\n  // internal link to a page that is managed by MkDocs. Only then we can be\n  // sure that the structure of the page to be loaded adheres to the current\n  // document structure and can subsequently be injected into it without doing\n  // a full reload. For this reason, we must canonicalize the URL by removing\n  // all search parameters and hash fragments.\n  const url = new URL(el.href)\n  url.search = url.hash = \"\"\n\n  // Skip, if URL is not included in the sitemap - this could be the case when\n  // linking between versions or languages, or to another page that the author\n  // included as part of the build, but that is not managed by MkDocs. In that\n  // case we must not continue with instant navigation.\n  if (!sitemap.has(`${url}`))\n    return EMPTY\n\n  // We now know that we have a link to an internal page, so we prevent the\n  // browser from navigation and emit the URL for instant navigation. Note that\n  // this also includes anchor links, which means we need to implement anchor\n  // positioning ourselves. The reason for this is that if we wouldn't manage\n  // anchor links as well, scroll restoration will not work correctly (e.g.\n  // following an anchor link and scrolling).\n  ev.preventDefault()\n  return of(el)\n}\n\n/**\n * Create a map of head elements for lookup and replacement\n *\n * @param document - Document\n *\n * @returns Tag map\n */\nfunction head(document: Document): Map<string, HTMLElement> {\n  const tags = new Map<string, HTMLElement>()\n  for (const el of getElements(\":scope > *\", document.head))\n    tags.set(el.outerHTML, el)\n\n  // Return tag map\n  return tags\n}\n\n/**\n * Resolve relative URLs in the given document\n *\n * This function resolves relative `href` and `src` attributes, which can belong\n * to all sorts of tags, like meta tags, links, images, scripts and more.\n *\n * @param document - Document\n *\n * @returns Document observable\n */\nfunction resolve(document: Document): Observable<Document> {\n  for (const el of getElements(\"[href], [src]\", document))\n    for (const key of [\"href\", \"src\"]) {\n      const value = el.getAttribute(key)\n      if (value && !/^(?:[a-z]+:)?\\/\\//i.test(value)) {\n        // @ts-expect-error - trick: self-assign to resolve URL\n        el[key] = el[key]\n        break\n      }\n    }\n\n  // Return document observable\n  return of(document)\n}\n\n/**\n * Inject the contents of a document into the current one\n *\n * @param next - Next document\n *\n * @returns Document observable\n */\nfunction inject(next: Document): Observable<Document> {\n  for (const selector of [\n    \"[data-md-component=announce]\",\n    \"[data-md-component=container]\",\n    \"[data-md-component=header-topic]\",\n    \"[data-md-component=outdated]\",\n    \"[data-md-component=logo]\",\n    \"[data-md-component=skip]\",\n    ...feature(\"navigation.tabs.sticky\")\n      ? [\"[data-md-component=tabs]\"]\n      : []\n  ]) {\n    const source = getOptionalElement(selector)\n    const target = getOptionalElement(selector, next)\n    if (\n      typeof source !== \"undefined\" &&\n      typeof target !== \"undefined\"\n    ) {\n      source.replaceWith(target)\n    }\n  }\n\n  // Update meta tags\n  const tags = head(document)\n  for (const [html, el] of head(next))\n    if (tags.has(html))\n      tags.delete(html)\n    else\n      document.head.appendChild(el)\n\n  // Remove meta tags that are not present in the new document\n  for (const el of tags.values()) {\n    const name = el.getAttribute(\"name\")\n    // @todo - find a better way to handle attributes we add dynamically in\n    // other components without mounting components on every navigation, as\n    // this might impact overall performance - see https://t.ly/ehp_O\n    if (name !== \"theme-color\" && name !== \"color-scheme\")\n      el.remove()\n  }\n\n  // After components and meta tags were replaced, re-evaluate scripts\n  // that were provided by the author as part of Markdown files\n  const container = getComponentElement(\"container\")\n  return concat(getElements(\"script\", container))\n    .pipe(\n      switchMap(el => {\n        const script = next.createElement(\"script\")\n        if (el.src) {\n          for (const name of el.getAttributeNames())\n            script.setAttribute(name, el.getAttribute(name)!)\n          el.replaceWith(script)\n\n          // Complete when script is loaded\n          return new Observable(observer => {\n            script.onload = () => observer.complete()\n          })\n\n        // Complete immediately\n        } else {\n          script.textContent = el.textContent\n          el.replaceWith(script)\n          return EMPTY\n        }\n      }),\n      ignoreElements(),\n      endWith(document)\n    )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up instant navigation\n *\n * This is a heavily orchestrated operation - see inline comments to learn how\n * this works with Material for MkDocs, and how you can hook into it.\n *\n * @param options - Options\n *\n * @returns Document observable\n */\nexport function setupInstantNavigation(\n  { sitemap$, location$, viewport$, progress$ }: SetupOptions\n): Observable<Document> {\n  if (location.protocol === \"file:\")\n    return EMPTY\n\n  // Since we might be on a slow connection, the user might trigger multiple\n  // instant navigation events that overlap. MkDocs produces relative URLs for\n  // all internal links, which becomes a problem in this case, because we need\n  // to change the base URL the moment the user clicks a link that should be\n  // intercepted in order to be consistent with popstate, which means that the\n  // base URL would now be incorrect when resolving another relative link from\n  // the same site. For this reason we always resolve all relative links to\n  // absolute links, so we can be sure this never happens.\n  of(document)\n    .subscribe(resolve)\n\n  // --------------------------------------------------------------------------\n  // Navigation interception\n  // --------------------------------------------------------------------------\n\n  // Intercept navigation - to keep the number of event listeners down we use\n  // the fact that uncaptured events bubble up to the body. This has the nice\n  // property that we don't need to detach and then re-attach event listeners\n  // when the document is replaced after a navigation event.\n  const instant$ =\n    fromEvent<MouseEvent>(document.body, \"click\")\n      .pipe(\n        combineLatestWith(sitemap$),\n        switchMap(([ev, sitemap]) => handle(ev, sitemap)),\n        map(({ href }) => new URL(href)),\n        share()\n      )\n\n  // Intercept history change events, e.g. when the user uses the browser's\n  // back or forward buttons, and emit new location for fetching and parsing\n  const history$ =\n    fromEvent<PopStateEvent>(window, \"popstate\")\n      .pipe(\n        map(getLocation),\n        share()\n      )\n\n  // While it would be better UX to defer navigation events until the document\n  // is fully fetched and parsed, we must schedule it here to synchronize with\n  // popstate events, as they are emitted immediately. Moreover we need to\n  // store the current viewport offset for scroll restoration later on.\n  instant$.pipe(withLatestFrom(viewport$))\n    .subscribe(([url, { offset }]) => {\n      history.replaceState(offset, \"\")\n      history.pushState(null, \"\", url)\n    })\n\n  // Emit URLs that should be fetched via instant navigation on location subject\n  // which was passed into this function. The state of instant navigation can be\n  // intercepted by other parts of the application, which can synchronously back\n  // up or restore state before or after instant navigation happens.\n  merge(instant$, history$)\n    .subscribe(location$)\n\n  // --------------------------------------------------------------------------\n  // Fetching and parsing\n  // --------------------------------------------------------------------------\n\n  // Fetch document - we deduplicate requests to the same location, so we don't\n  // end up with multiple requests for the same page. We use `switchMap`, since\n  // we want to cancel the previous request when a new one is triggered, which\n  // is automatically handled by the observable returned by `request`. This is\n  // essential to ensure a good user experience, as we don't want to load pages\n  // that are not needed anymore, e.g., when the user clicks multiple links in\n  // quick succession or on slow connections. If the request fails for some\n  // reason, we fall back and use regular navigation, forcing a reload.\n  const document$ =\n    location$.pipe(\n      distinctUntilKeyChanged(\"pathname\"),\n      switchMap(url => requestHTML(url, { progress$ })\n        .pipe(\n          catchError(() => {\n            setLocation(url, true)\n            return EMPTY\n          })\n        )\n      ),\n\n      // The document was successfully fetched and parsed, so we can inject its\n      // contents into the currently active document\n      switchMap(resolve),\n      switchMap(inject),\n      share()\n    )\n\n  // --------------------------------------------------------------------------\n  // Scroll restoration\n  // --------------------------------------------------------------------------\n\n  // Handle scroll restoration - we must restore the viewport offset after the\n  // document has been fetched and injected, and every time the user clicks an\n  // anchor that leads to an element on the same page, which might also happen\n  // when the user uses the back or forward button.\n  merge(\n    document$.pipe(withLatestFrom(location$, (_, url) => url)),\n\n    // Handle instant navigation events that are triggered by the user clicking\n    // on an anchor link with a hash fragment different from the current one, as\n    // well as from popstate events, which are emitted when the user navigates\n    // back and forth between pages.\n    document$.pipe(\n      switchMap(() => location$),\n      distinctUntilKeyChanged(\"hash\"),\n    ),\n\n    // Handle instant navigation events that are triggered by the user clicking\n    // on an anchor link with the same hash fragment as the current one in the\n    // URL. It is essential that we only intercept those from instant navigation\n    // events and not from history change events, or we'll end up in and endless\n    // loop. The top-level history entry must be removed, as it will be replaced\n    // with a new one, which would otherwise lead to a duplicate entry.\n    location$.pipe(\n      distinctUntilChanged((a, b) => (\n        a.pathname === b.pathname &&\n        a.hash     === b.hash\n      )),\n      switchMap(() => instant$),\n      tap(() => history.back())\n    )\n  )\n    .subscribe(url => {\n\n      // Check if the current history entry has a state, which happens when the\n      // user presses the back or forward button to visit a page we've already\n      // seen. If there's no state, it means a new page was visited and we must\n      // scroll to the top, unless an anchor is given.\n      if (history.state !== null || !url.hash) {\n        window.scrollTo(0, history.state?.y ?? 0)\n      } else {\n        history.scrollRestoration = \"auto\"\n        setLocationHash(url.hash)\n        history.scrollRestoration = \"manual\"\n      }\n    })\n\n  // Disable scroll restoration when an instant navigation event occurs, so the\n  // browser does not immediately set the viewport offset to the prior history\n  // entry, scrolling to the position on the same page, which would look odd.\n  // Instead, we manually restore the position once the page has loaded.\n  location$.subscribe(() => {\n    history.scrollRestoration = \"manual\"\n  })\n\n  // Enable scroll restoration before window unloads - this is essential to\n  // ensure that full reloads (F5) restore the viewport offset correctly. If\n  // only popstate events wouldn't reset the viewport offset prior to their\n  // emission, we could just reset this in popstate. Meh.\n  fromEvent(window, \"beforeunload\")\n    .subscribe(() => {\n      history.scrollRestoration = \"auto\"\n    })\n\n  // Track viewport offset, so we can restore it when the user navigates back\n  // and forth between pages. Note that this must be debounced and cannot be\n  // done in popstate, as popstate has already removed the entry from the\n  // history, which means it is too late.\n  viewport$.pipe(\n    distinctUntilKeyChanged(\"offset\"),\n    debounceTime(100)\n  )\n    .subscribe(({ offset }) => {\n      history.replaceState(offset, \"\")\n    })\n\n  // --------------------------------------------------------------------------\n  // Navigation prefetching\n  // --------------------------------------------------------------------------\n\n  // If prefetching is enabled, prefetch pages for links that would trigger\n  // inter-site navigation on mouse events - this should improve performance,\n  // since pages will be cached. Note that we exhaust map URLs, so we ensure\n  // that loading is properly debounced and we don't fill caches up to quickly.\n  if (feature(\"navigation.instant.prefetch\"))\n    merge(\n      fromEvent<MouseEvent>(document.body, \"mousemove\"),\n      fromEvent<MouseEvent>(document.body, \"focusin\")\n    )\n      .pipe(\n        combineLatestWith(sitemap$),\n        switchMap(([ev, sitemap]) => handle(ev, sitemap)),\n        debounceTime(25),\n        distinct(({ href }) => href),\n        exhaustMap(href => {\n          const link = document.createElement(\"link\")\n          link.rel = \"prefetch\"\n          link.href = href.toString()\n\n          // Instruct browser to prefetch link by adding a link tag of type\n          // prefetch to the head, and remove it again once the page was loaded\n          document.head.appendChild(link)\n          return fromEvent(link, \"load\")\n            .pipe(\n              map(() => link),\n              take(1)\n            )\n        })\n      )\n        .subscribe(link => link.remove())\n\n  // Return document observable\n  return document$\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchConfig } from \"../config\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlight function\n *\n * @param value - Value\n *\n * @returns Highlighted value\n */\nexport type SearchHighlightFn = (value: string) => string\n\n/**\n * Search highlight factory function\n *\n * @param query - Query value\n *\n * @returns Search highlight function\n */\nexport type SearchHighlightFactoryFn = (query: string) => SearchHighlightFn\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search highlighter\n *\n * @param config - Search configuration\n *\n * @returns Search highlight factory function\n */\nexport function setupSearchHighlighter(\n  config: SearchConfig\n): SearchHighlightFactoryFn {\n  // Hack: temporarily remove pure lookaheads and lookbehinds\n  const regex = config.separator.split(\"|\").map(term => {\n    const temp = term.replace(/(\\(\\?[!=<][^)]+\\))/g, \"\")\n    return temp.length === 0 ? \"\uFFFD\" : term\n  })\n    .join(\"|\")\n\n  const separator = new RegExp(regex, \"img\")\n  const highlight = (_: unknown, data: string, term: string) => {\n    return `${data}<mark data-md-highlight>${term}</mark>`\n  }\n\n  /* Return factory function */\n  return (query: string) => {\n    query = query\n      .replace(/[\\s*+\\-:~^]+/g, \" \")\n      .replace(/&/g, \"&amp;\")\n      .trim()\n\n    /* Create search term match expression */\n    const match = new RegExp(`(^|${config.separator}|)(${\n      query\n        .replace(/[|\\\\{}()[\\]^$+*?.-]/g, \"\\\\$&\")\n        .replace(separator, \"|\")\n    })`, \"img\")\n\n    /* Highlight string value */\n    return value => escapeHTML(value)\n      .replace(match, highlight)\n      .replace(/<\\/mark>(\\s+)<mark[^>]*>/img, \"$1\")\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchResult } from \"../../_\"\nimport { SearchIndex } from \"../../config\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n  SETUP,                               /* Search index setup */\n  READY,                               /* Search index ready */\n  QUERY,                               /* Search query */\n  RESULT                               /* Search results */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Message containing the data necessary to setup the search index\n */\nexport interface SearchSetupMessage {\n  type: SearchMessageType.SETUP        /* Message type */\n  data: SearchIndex                    /* Message data */\n}\n\n/**\n * Message indicating the search index is ready\n */\nexport interface SearchReadyMessage {\n  type: SearchMessageType.READY        /* Message type */\n}\n\n/**\n * Message containing a search query\n */\nexport interface SearchQueryMessage {\n  type: SearchMessageType.QUERY        /* Message type */\n  data: string                         /* Message data */\n}\n\n/**\n * Message containing results for a search query\n */\nexport interface SearchResultMessage {\n  type: SearchMessageType.RESULT       /* Message type */\n  data: SearchResult                   /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Message exchanged with the search worker\n */\nexport type SearchMessage =\n  | SearchSetupMessage\n  | SearchReadyMessage\n  | SearchQueryMessage\n  | SearchResultMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for search ready messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchReadyMessage(\n  message: SearchMessage\n): message is SearchReadyMessage {\n  return message.type === SearchMessageType.READY\n}\n\n/**\n * Type guard for search result messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchResultMessage(\n  message: SearchMessage\n): message is SearchResultMessage {\n  return message.type === SearchMessageType.RESULT\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  ObservableInput,\n  Subject,\n  first,\n  merge,\n  of,\n  switchMap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport { watchToggle, watchWorker } from \"~/browser\"\n\nimport { SearchIndex } from \"../../config\"\nimport {\n  SearchMessage,\n  SearchMessageType\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search worker\n *\n * This function creates and initializes a web worker that is used for search,\n * so that the user interface doesn't freeze. In general, the application does\n * not care how search is implemented, as long as the web worker conforms to\n * the format expected by the application as defined in `SearchMessage`. This\n * allows the author to implement custom search functionality, by providing a\n * custom web worker via configuration.\n *\n * Material for MkDocs' built-in search implementation makes use of Lunr.js, an\n * efficient and fast implementation for client-side search. Leveraging a tiny\n * iframe-based web worker shim, search is even supported for the `file://`\n * protocol, enabling search for local non-hosted builds.\n *\n * If the protocol is `file://`, search initialization is deferred to mitigate\n * freezing, as it's now synchronous by design - see https://bit.ly/3C521EO\n *\n * @see https://bit.ly/3igvtQv - How to implement custom search\n *\n * @param url - Worker URL\n * @param index$ - Search index observable input\n *\n * @returns Search worker\n */\nexport function setupSearchWorker(\n  url: string, index$: ObservableInput<SearchIndex>\n): Subject<SearchMessage> {\n  const worker$ = watchWorker<SearchMessage>(url)\n  merge(\n    of(location.protocol !== \"file:\"),\n    watchToggle(\"search\")\n  )\n    .pipe(\n      first(active => active),\n      switchMap(() => index$)\n    )\n      .subscribe(({ config, docs }) => worker$.next({\n        type: SearchMessageType.SETUP,\n        data: {\n          config,\n          docs,\n          options: {\n            suggest: feature(\"search.suggest\")\n          }\n        }\n      }))\n\n  /* Return search worker */\n  return worker$\n}\n", "import { Sitemap } from \"../../sitemap\"\n\n/** See docstring for `selectedVersionCorrespondingURL` for the meaning of these fields. */\ntype CorrespondingURLParams = {\n  selectedVersionSitemap: Sitemap\n  selectedVersionBaseURL: URL\n  currentLocation: URL\n  currentBaseURL: string\n}\n\n/**\n * Choose a URL to navigate to when the user chooses a version in the version\n * selector.\n *\n * The parameters in `params` are named as follows, in order to make it clearer\n * which parameter means what when invoking the function:\n *\n *  - selectedVersionSitemap: Sitemap - as obtained by fetchSitemap from `${selectedVersionBaseURL}/sitemap.xml`\n *\n *  - selectedVersionBaseURL: URL - usually `${currentBaseURL}/../selectedVersion`\n *\n *  - currentLocation: URL - current web browser location\n *\n *  - currentBaseURL: string - as obtained from `config.base`\n *\n * @param params - arguments with the meanings explained above.\n * @returns the URL to navigate to or null if we can't be sure that the\n * corresponding page to the current page exists in the selected version\n */\nexport function selectedVersionCorrespondingURL(\n  params: CorrespondingURLParams\n): URL | undefined {\n  const {selectedVersionSitemap,\n    selectedVersionBaseURL,\n    currentLocation,\n    currentBaseURL} = params\n  const current_path = safeURLParse(currentBaseURL)?.pathname\n  if (current_path === undefined) {\n    return\n  }\n  const currentRelativePath = stripPrefix(currentLocation.pathname, current_path)\n  if (currentRelativePath === undefined) {\n    return\n  }\n  const sitemapCommonPrefix = shortestCommonPrefix(selectedVersionSitemap.keys())\n  if (!selectedVersionSitemap.has(sitemapCommonPrefix)) {\n    // We could also check that `commonSitemapPrefix` ends in the canonical version,\n    // similarly to https://github.com/squidfunk/mkdocs-material/pull/7227. However,\n    // I don't believe that Mike/MkDocs ever generate sitemaps where it would matter\n    return\n  }\n\n  const potentialSitemapURL = safeURLParse(currentRelativePath, sitemapCommonPrefix)\n  if (!potentialSitemapURL || !selectedVersionSitemap.has(potentialSitemapURL.href)) {\n    return\n  }\n\n  const result = safeURLParse(currentRelativePath, selectedVersionBaseURL)\n  if (!result) {\n    return\n  }\n  result.hash = currentLocation.hash\n  result.search = currentLocation.search\n  return result\n}\n\n/**\n * A version of `new URL` that never throws. A polyfill for URL.parse() which is\n * not yet ubuquitous.\n *\n * @param url - passed to `new URL` constructor\n * @param base - passed to `new URL` constructor\n *\n * @returns `new URL(url, base)` or undefined if the URL is invalid.\n */\nfunction safeURLParse(url: string|URL, base?: string|URL): URL | undefined {\n  try {\n    return new URL(url, base)\n  } catch {\n    return\n  }\n}\n\n// Basic string manipulation\n\n/** Strip a given prefix from a function\n *\n * @param s - string\n * @param prefix - prefix to strip\n *\n * @returns either the string with the prefix stripped or undefined if the\n * string did not begin with the prefix.\n */\nexport function stripPrefix(s: string, prefix: string): string | undefined {\n  if (s.startsWith(prefix)) {\n    return s.slice(prefix.length)\n  }\n  return undefined\n}\n\n/** Find the length of the longest common prefix of two strings\n *\n * @param s1 - first string\n * @param s2 - second string\n *\n * @returns - the length of the longest common prefix of the two strings.\n */\nfunction commonPrefixLen(s1: string, s2: string): number {\n  const max = Math.min(s1.length, s2.length)\n  let result\n  for (result = 0; result < max; ++result) {\n    if (s1[result] !== s2[result]) {\n      break\n    }\n  }\n  return result\n}\n\n/** Find the longest common prefix of any number of strings\n *\n * @param strs - an iterable of strings\n *\n * @returns the longest common prefix of all the strings\n */\nexport function shortestCommonPrefix(strs: Iterable<string>): string {\n  let result  // Undefined if no iterations happened\n  for (const s of strs) {\n    if (result === undefined) {\n      result = s\n    } else {\n      result = result.slice(0, commonPrefixLen(result, s))\n    }\n  }\n  return result ?? \"\"\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Subject,\n  catchError,\n  combineLatest,\n  filter,\n  fromEvent,\n  map,\n  of,\n  switchMap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { configuration } from \"~/_\"\nimport {\n  getElement,\n  getLocation,\n  requestJSON,\n  setLocation\n} from \"~/browser\"\nimport { getComponentElements } from \"~/components\"\nimport {\n  Version,\n  renderVersionSelector\n} from \"~/templates\"\n\nimport { fetchSitemap } from \"../sitemap\"\n\nimport { selectedVersionCorrespondingURL } from \"./findurl\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n  document$: Subject<Document>         /* Document subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up version selector\n *\n * @param options - Options\n */\nexport function setupVersionSelector(\n  { document$ }: SetupOptions\n): void {\n  const config = configuration()\n  const versions$ = requestJSON<Version[]>(\n    new URL(\"../versions.json\", config.base)\n  )\n    .pipe(\n      catchError(() => EMPTY) // @todo refactor instant loading\n    )\n\n  /* Determine current version */\n  const current$ = versions$\n    .pipe(\n      map(versions => {\n        const [, current] = config.base.match(/([^/]+)\\/?$/)!\n        return versions.find(({ version, aliases }) => (\n          version === current || aliases.includes(current)\n        )) || versions[0]\n      })\n    )\n\n  /* Intercept inter-version navigation */\n  versions$\n    .pipe(\n      map(versions => new Map(versions.map(version => [\n        `${new URL(`../${version.version}/`, config.base)}`,\n        version\n      ]))),\n      switchMap(urls => fromEvent<MouseEvent>(document.body, \"click\")\n        .pipe(\n          filter(ev => !ev.metaKey && !ev.ctrlKey),\n          withLatestFrom(current$),\n          switchMap(([ev, current]) => {\n            if (ev.target instanceof Element) {\n              const el = ev.target.closest(\"a\")\n              if (el && !el.target && urls.has(el.href)) {\n                const url = el.href\n                // This is a temporary hack to detect if a version inside the\n                // version selector or on another part of the site was clicked.\n                // If we're inside the version selector, we definitely want to\n                // find the same page, as we might have different deployments\n                // due to aliases. However, if we're outside the version\n                // selector, we must abort here, because we might otherwise\n                // interfere with instant navigation. We need to refactor this\n                // at some point together with instant navigation.\n                //\n                // See https://github.com/squidfunk/mkdocs-material/issues/4012\n                if (!ev.target.closest(\".md-version\")) {\n                  const version = urls.get(url)!\n                  if (version === current)\n                    return EMPTY\n                }\n                ev.preventDefault()\n                return of(new URL(url))\n              }\n            }\n            return EMPTY\n          }),\n          switchMap(selectedVersionBaseURL => {\n            return fetchSitemap(selectedVersionBaseURL).pipe(\n              map(\n                sitemap =>\n                  selectedVersionCorrespondingURL({\n                    selectedVersionSitemap: sitemap,\n                    selectedVersionBaseURL,\n                    currentLocation: getLocation(),\n                    currentBaseURL: config.base\n                  }) ?? selectedVersionBaseURL,\n              ),\n            )\n          })\n        )\n      )\n    )\n      .subscribe(url => setLocation(url, true))\n\n  /* Render version selector and warning */\n  combineLatest([versions$, current$])\n    .subscribe(([versions, current]) => {\n      const topic = getElement(\".md-header__topic\")\n      topic.appendChild(renderVersionSelector(versions, current))\n    })\n\n  /* Integrate outdated version banner with instant navigation */\n  document$.pipe(switchMap(() => current$))\n    .subscribe(current => {\n\n      // Always scope outdate version banner to the base URL of the site\n      const base = new URL(config.base)\n\n      /* Check if version state was already determined */\n      let outdated = __md_get(\"__outdated\", sessionStorage, base)\n      if (outdated === null) {\n        outdated = true\n\n        /* Obtain and normalize default versions */\n        let ignored = config.version?.default || \"latest\"\n        if (!Array.isArray(ignored))\n          ignored = [ignored]\n\n        /* Check if version is considered a default */\n        main: for (const ignore of ignored)\n          for (const version of current.aliases.concat(current.version))\n            if (new RegExp(ignore, \"i\").test(version)) {\n              outdated = false\n              break main\n            }\n\n        /* Persist version state in session storage */\n        __md_set(\"__outdated\", outdated, sessionStorage, base)\n      }\n\n      /* Unhide outdated version banner */\n      if (outdated)\n        for (const warning of getComponentElements(\"outdated\"))\n          warning.hidden = false\n    })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  combineLatest,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  endWith,\n  finalize,\n  first,\n  fromEvent,\n  ignoreElements,\n  map,\n  merge,\n  shareReplay,\n  takeUntil,\n  tap\n} from \"rxjs\"\n\nimport {\n  getElement,\n  getLocation,\n  setToggle,\n  watchElementFocus,\n  watchToggle\n} from \"~/browser\"\nimport {\n  SearchMessage,\n  SearchMessageType,\n  isSearchReadyMessage\n} from \"~/integrations\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query\n */\nexport interface SearchQuery {\n  value: string                        /* Query value */\n  focus: boolean                       /* Query focus */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  worker$: Subject<SearchMessage>      /* Search worker */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  worker$: Subject<SearchMessage>      /* Search worker */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search query\n *\n * Note that the focus event which triggers re-reading the current query value\n * is delayed by `1ms` so the input's empty state is allowed to propagate.\n *\n * @param el - Search query element\n * @param options - Options\n *\n * @returns Search query observable\n */\nexport function watchSearchQuery(\n  el: HTMLInputElement, { worker$ }: WatchOptions\n): Observable<SearchQuery> {\n\n  /* Support search deep linking */\n  const { searchParams } = getLocation()\n  if (searchParams.has(\"q\")) {\n    setToggle(\"search\", true)\n\n    /* Set query from parameter */\n    el.value = searchParams.get(\"q\")!\n    el.focus()\n\n    /* Remove query parameter on close */\n    watchToggle(\"search\")\n      .pipe(\n        first(active => !active)\n      )\n        .subscribe(() => {\n          const url = getLocation()\n          url.searchParams.delete(\"q\")\n          history.replaceState({}, \"\", `${url}`)\n        })\n  }\n\n  /* Intercept focus and input events */\n  const focus$ = watchElementFocus(el)\n  const value$ = merge(\n    worker$.pipe(first(isSearchReadyMessage)),\n    fromEvent(el, \"keyup\"),\n    focus$\n  )\n    .pipe(\n      map(() => el.value),\n      distinctUntilChanged()\n    )\n\n  /* Combine into single observable */\n  return combineLatest([value$, focus$])\n    .pipe(\n      map(([value, focus]) => ({ value, focus })),\n      shareReplay(1)\n    )\n}\n\n/**\n * Mount search query\n *\n * @param el - Search query element\n * @param options - Options\n *\n * @returns Search query component observable\n */\nexport function mountSearchQuery(\n  el: HTMLInputElement, { worker$ }: MountOptions\n): Observable<Component<SearchQuery, HTMLInputElement>> {\n  const push$ = new Subject<SearchQuery>()\n  const done$ = push$.pipe(ignoreElements(), endWith(true))\n\n  /* Handle value change */\n  combineLatest([\n    worker$.pipe(first(isSearchReadyMessage)),\n    push$\n  ], (_, query) => query)\n    .pipe(\n      distinctUntilKeyChanged(\"value\")\n    )\n      .subscribe(({ value }) => worker$.next({\n        type: SearchMessageType.QUERY,\n        data: value\n      }))\n\n  /* Handle focus change */\n  push$\n    .pipe(\n      distinctUntilKeyChanged(\"focus\")\n    )\n      .subscribe(({ focus }) => {\n        if (focus)\n          setToggle(\"search\", focus)\n      })\n\n  /* Handle reset */\n  fromEvent(el.form!, \"reset\")\n    .pipe(\n      takeUntil(done$)\n    )\n      .subscribe(() => el.focus())\n\n  // Focus search query on label click - note that this is necessary to bring\n  // up the keyboard on iOS and other mobile platforms, as the search dialog is\n  // not visible at first, and programatically focusing an input element must\n  // be triggered by a user interaction - see https://t.ly/Cb30n\n  const label = getElement(\"header [for=__search]\")\n  fromEvent(label, \"click\")\n    .subscribe(() => el.focus())\n\n  /* Create and return component */\n  return watchSearchQuery(el, { worker$ })\n    .pipe(\n      tap(state => push$.next(state)),\n      finalize(() => push$.complete()),\n      map(state => ({ ref: el, ...state })),\n      shareReplay(1)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  bufferCount,\n  filter,\n  finalize,\n  first,\n  fromEvent,\n  map,\n  merge,\n  mergeMap,\n  of,\n  share,\n  skipUntil,\n  switchMap,\n  takeUntil,\n  tap,\n  withLatestFrom,\n  zipWith\n} from \"rxjs\"\n\nimport { translation } from \"~/_\"\nimport {\n  getElement,\n  getOptionalElement,\n  watchElementBoundary,\n  watchToggle\n} from \"~/browser\"\nimport {\n  SearchMessage,\n  SearchResult,\n  isSearchReadyMessage,\n  isSearchResultMessage\n} from \"~/integrations\"\nimport { renderSearchResultItem } from \"~/templates\"\nimport { round } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  query$: Observable<SearchQuery>      /* Search query observable */\n  worker$: Subject<SearchMessage>      /* Search worker */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search result list\n *\n * This function performs a lazy rendering of the search results, depending on\n * the vertical offset of the search result container.\n *\n * @param el - Search result list element\n * @param options - Options\n *\n * @returns Search result list component observable\n */\nexport function mountSearchResult(\n  el: HTMLElement, { worker$, query$ }: MountOptions\n): Observable<Component<SearchResult>> {\n  const push$ = new Subject<SearchResult>()\n  const boundary$ = watchElementBoundary(el.parentElement!)\n    .pipe(\n      filter(Boolean)\n    )\n\n  /* Retrieve container */\n  const container = el.parentElement!\n\n  /* Retrieve nested components */\n  const meta = getElement(\":scope > :first-child\", el)\n  const list = getElement(\":scope > :last-child\", el)\n\n  /* Reveal to accessibility tree \u2013 see https://bit.ly/3iAA7t8 */\n  watchToggle(\"search\")\n    .subscribe(active => {\n      list.setAttribute(\"role\", active ? \"list\" : \"presentation\")\n      list.hidden = !active\n    })\n\n  /* Update search result metadata */\n  push$\n    .pipe(\n      withLatestFrom(query$),\n      skipUntil(worker$.pipe(first(isSearchReadyMessage)))\n    )\n      .subscribe(([{ items }, { value }]) => {\n        switch (items.length) {\n\n          /* No results */\n          case 0:\n            meta.textContent = value.length\n              ? translation(\"search.result.none\")\n              : translation(\"search.result.placeholder\")\n            break\n\n          /* One result */\n          case 1:\n            meta.textContent = translation(\"search.result.one\")\n            break\n\n          /* Multiple result */\n          default:\n            const count = round(items.length)\n            meta.textContent = translation(\"search.result.other\", count)\n        }\n      })\n\n  /* Render search result item */\n  const render$ = push$\n    .pipe(\n      tap(() => list.innerHTML = \"\"),\n      switchMap(({ items }) => merge(\n        of(...items.slice(0, 10)),\n        of(...items.slice(10))\n          .pipe(\n            bufferCount(4),\n            zipWith(boundary$),\n            switchMap(([chunk]) => chunk)\n          )\n      )),\n      map(renderSearchResultItem),\n      share()\n    )\n\n  /* Update search result list */\n  render$.subscribe(item => list.appendChild(item))\n  render$\n    .pipe(\n      mergeMap(item => {\n        const details = getOptionalElement(\"details\", item)\n        if (typeof details === \"undefined\")\n          return EMPTY\n\n        /* Keep position of details element stable */\n        return fromEvent(details, \"toggle\")\n          .pipe(\n            takeUntil(push$),\n            map(() => details)\n          )\n      })\n    )\n      .subscribe(details => {\n        if (\n          details.open === false &&\n          details.offsetTop <= container.scrollTop\n        )\n          container.scrollTo({ top: details.offsetTop })\n      })\n\n  /* Filter search result message */\n  const result$ = worker$\n    .pipe(\n      filter(isSearchResultMessage),\n      map(({ data }) => data)\n    )\n\n  /* Create and return component */\n  return result$\n    .pipe(\n      tap(state => push$.next(state)),\n      finalize(() => push$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  endWith,\n  finalize,\n  fromEvent,\n  ignoreElements,\n  map,\n  takeUntil,\n  tap\n} from \"rxjs\"\n\nimport { getLocation } from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search sharing\n */\nexport interface SearchShare {\n  url: URL                             /* Deep link for sharing */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  query$: Observable<SearchQuery>      /* Search query observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  query$: Observable<SearchQuery>      /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search sharing\n *\n * @param _el - Search sharing element\n * @param options - Options\n *\n * @returns Search sharing observable\n */\nexport function watchSearchShare(\n  _el: HTMLElement, { query$ }: WatchOptions\n): Observable<SearchShare> {\n  return query$\n    .pipe(\n      map(({ value }) => {\n        const url = getLocation()\n        url.hash = \"\"\n\n        /* Compute readable query strings */\n        value = value\n          .replace(/\\s+/g, \"+\")        /* Collapse whitespace */\n          .replace(/&/g, \"%26\")        /* Escape '&' character */\n          .replace(/=/g, \"%3D\")        /* Escape '=' character */\n\n        /* Replace query string */\n        url.search = `q=${value}`\n        return { url }\n      })\n    )\n}\n\n/**\n * Mount search sharing\n *\n * @param el - Search sharing element\n * @param options - Options\n *\n * @returns Search sharing component observable\n */\nexport function mountSearchShare(\n  el: HTMLAnchorElement, options: MountOptions\n): Observable<Component<SearchShare>> {\n  const push$ = new Subject<SearchShare>()\n  const done$ = push$.pipe(ignoreElements(), endWith(true))\n  push$.subscribe(({ url }) => {\n    el.setAttribute(\"data-clipboard-text\", el.href)\n    el.href = `${url}`\n  })\n\n  /* Prevent following of link */\n  fromEvent(el, \"click\")\n    .pipe(\n      takeUntil(done$)\n    )\n      .subscribe(ev => ev.preventDefault())\n\n  /* Create and return component */\n  return watchSearchShare(el, options)\n    .pipe(\n      tap(state => push$.next(state)),\n      finalize(() => push$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  asyncScheduler,\n  combineLatestWith,\n  distinctUntilChanged,\n  filter,\n  finalize,\n  fromEvent,\n  map,\n  merge,\n  observeOn,\n  tap\n} from \"rxjs\"\n\nimport { Keyboard } from \"~/browser\"\nimport {\n  SearchMessage,\n  SearchResult,\n  isSearchResultMessage\n} from \"~/integrations\"\n\nimport { Component, getComponentElement } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search suggestions\n */\nexport interface SearchSuggest {}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  keyboard$: Observable<Keyboard>      /* Keyboard observable */\n  worker$: Subject<SearchMessage>      /* Search worker */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search suggestions\n *\n * This function will perform a lazy rendering of the search results, depending\n * on the vertical offset of the search result container.\n *\n * @param el - Search result list element\n * @param options - Options\n *\n * @returns Search result list component observable\n */\nexport function mountSearchSuggest(\n  el: HTMLElement, { worker$, keyboard$ }: MountOptions\n): Observable<Component<SearchSuggest>> {\n  const push$ = new Subject<SearchResult>()\n\n  /* Retrieve query component and track all changes */\n  const query  = getComponentElement(\"search-query\")\n  const query$ = merge(\n    fromEvent(query, \"keydown\"),\n    fromEvent(query, \"focus\")\n  )\n    .pipe(\n      observeOn(asyncScheduler),\n      map(() => query.value),\n      distinctUntilChanged(),\n    )\n\n  /* Update search suggestions */\n  push$\n    .pipe(\n      combineLatestWith(query$),\n      map(([{ suggest }, value]) => {\n        const words = value.split(/([\\s-]+)/)\n        if (suggest?.length && words[words.length - 1]) {\n          const last = suggest[suggest.length - 1]\n          if (last.startsWith(words[words.length - 1]))\n            words[words.length - 1] = last\n        } else {\n          words.length = 0\n        }\n        return words\n      })\n    )\n      .subscribe(words => el.innerHTML = words\n        .join(\"\")\n        .replace(/\\s/g, \"&nbsp;\")\n      )\n\n  /* Set up search keyboard handlers */\n  keyboard$\n    .pipe(\n      filter(({ mode }) => mode === \"search\")\n    )\n      .subscribe(key => {\n        switch (key.type) {\n\n          /* Right arrow: accept current suggestion */\n          case \"ArrowRight\":\n            if (\n              el.innerText.length &&\n              query.selectionStart === query.value.length\n            )\n              query.value = el.innerText\n            break\n        }\n      })\n\n  /* Filter search result message */\n  const result$ = worker$\n    .pipe(\n      filter(isSearchResultMessage),\n      map(({ data }) => data)\n    )\n\n  /* Create and return component */\n  return result$\n    .pipe(\n      tap(state => push$.next(state)),\n      finalize(() => push$.complete()),\n      map(() => ({ ref: el }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  NEVER,\n  Observable,\n  ObservableInput,\n  filter,\n  fromEvent,\n  merge,\n  mergeWith\n} from \"rxjs\"\n\nimport { configuration } from \"~/_\"\nimport {\n  Keyboard,\n  getActiveElement,\n  getElements,\n  setToggle\n} from \"~/browser\"\nimport {\n  SearchIndex,\n  SearchResult,\n  setupSearchWorker\n} from \"~/integrations\"\n\nimport {\n  Component,\n  getComponentElement,\n  getComponentElements\n} from \"../../_\"\nimport {\n  SearchQuery,\n  mountSearchQuery\n} from \"../query\"\nimport { mountSearchResult } from \"../result\"\nimport {\n  SearchShare,\n  mountSearchShare\n} from \"../share\"\nimport {\n  SearchSuggest,\n  mountSearchSuggest\n} from \"../suggest\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search\n */\nexport type Search =\n  | SearchQuery\n  | SearchResult\n  | SearchShare\n  | SearchSuggest\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  index$: ObservableInput<SearchIndex> /* Search index observable */\n  keyboard$: Observable<Keyboard>      /* Keyboard observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search\n *\n * This function sets up the search functionality, including the underlying\n * web worker and all keyboard bindings.\n *\n * @param el - Search element\n * @param options - Options\n *\n * @returns Search component observable\n */\nexport function mountSearch(\n  el: HTMLElement, { index$, keyboard$ }: MountOptions\n): Observable<Component<Search>> {\n  const config = configuration()\n  try {\n    const worker$ = setupSearchWorker(config.search, index$)\n\n    /* Retrieve query and result components */\n    const query  = getComponentElement(\"search-query\", el)\n    const result = getComponentElement(\"search-result\", el)\n\n    /* Always close search on result selection */\n    fromEvent<PointerEvent>(el, \"click\")\n      .pipe(\n        filter(({ target }) => (\n          target instanceof Element && !!target.closest(\"a\")\n        ))\n      )\n        .subscribe(() => setToggle(\"search\", false))\n\n    /* Set up search keyboard handlers */\n    keyboard$\n      .pipe(\n        filter(({ mode }) => mode === \"search\")\n      )\n        .subscribe(key => {\n          const active = getActiveElement()\n          switch (key.type) {\n\n            /* Enter: go to first (best) result */\n            case \"Enter\":\n              if (active === query) {\n                const anchors = new Map<HTMLAnchorElement, number>()\n                for (const anchor of getElements<HTMLAnchorElement>(\n                  \":first-child [href]\", result\n                )) {\n                  const article = anchor.firstElementChild!\n                  anchors.set(anchor, parseFloat(\n                    article.getAttribute(\"data-md-score\")!\n                  ))\n                }\n\n                /* Go to result with highest score, if any */\n                if (anchors.size) {\n                  const [[best]] = [...anchors].sort(([, a], [, b]) => b - a)\n                  best.click()\n                }\n\n                /* Otherwise omit form submission */\n                key.claim()\n              }\n              break\n\n            /* Escape or Tab: close search */\n            case \"Escape\":\n            case \"Tab\":\n              setToggle(\"search\", false)\n              query.blur()\n              break\n\n            /* Vertical arrows: select previous or next search result */\n            case \"ArrowUp\":\n            case \"ArrowDown\":\n              if (typeof active === \"undefined\") {\n                query.focus()\n              } else {\n                const els = [query, ...getElements(\n                  \":not(details) > [href], summary, details[open] [href]\",\n                  result\n                )]\n                const i = Math.max(0, (\n                  Math.max(0, els.indexOf(active)) + els.length + (\n                    key.type === \"ArrowUp\" ? -1 : +1\n                  )\n                ) % els.length)\n                els[i].focus()\n              }\n\n              /* Prevent scrolling of page */\n              key.claim()\n              break\n\n            /* All other keys: hand to search query */\n            default:\n              if (query !== getActiveElement())\n                query.focus()\n          }\n        })\n\n    /* Set up global keyboard handlers */\n    keyboard$\n      .pipe(\n        filter(({ mode }) => mode === \"global\")\n      )\n        .subscribe(key => {\n          switch (key.type) {\n\n            /* Open search and select query */\n            case \"f\":\n            case \"s\":\n            case \"/\":\n              query.focus()\n              query.select()\n\n              /* Prevent scrolling of page */\n              key.claim()\n              break\n          }\n        })\n\n    /* Create and return component */\n    const query$ = mountSearchQuery(query, { worker$ })\n    return merge(\n      query$,\n      mountSearchResult(result, { worker$, query$ })\n    )\n      .pipe(\n        mergeWith(\n\n          /* Search sharing */\n          ...getComponentElements(\"search-share\", el)\n            .map(child => mountSearchShare(child, { query$ })),\n\n          /* Search suggestions */\n          ...getComponentElements(\"search-suggest\", el)\n            .map(child => mountSearchSuggest(child, { worker$, keyboard$ }))\n        )\n      )\n\n  /* Gracefully handle broken search */\n  } catch (err) {\n    el.hidden = true\n    return NEVER\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  ObservableInput,\n  combineLatest,\n  filter,\n  map,\n  startWith\n} from \"rxjs\"\n\nimport { getLocation } from \"~/browser\"\nimport {\n  SearchIndex,\n  setupSearchHighlighter\n} from \"~/integrations\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlighting\n */\nexport interface SearchHighlight {\n  nodes: Map<ChildNode, string>        /* Map of replacements */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  index$: ObservableInput<SearchIndex> /* Search index observable */\n  location$: Observable<URL>           /* Location observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search highlighting\n *\n * @param el - Content element\n * @param options - Options\n *\n * @returns Search highlighting component observable\n */\nexport function mountSearchHiglight(\n  el: HTMLElement, { index$, location$ }: MountOptions\n): Observable<Component<SearchHighlight>> {\n  return combineLatest([\n    index$,\n    location$\n      .pipe(\n        startWith(getLocation()),\n        filter(url => !!url.searchParams.get(\"h\"))\n      )\n  ])\n    .pipe(\n      map(([index, url]) => setupSearchHighlighter(index.config)(\n        url.searchParams.get(\"h\")!\n      )),\n      map(fn => {\n        const nodes = new Map<ChildNode, string>()\n\n        /* Traverse text nodes and collect matches */\n        const it = document.createNodeIterator(el, NodeFilter.SHOW_TEXT)\n        for (let node = it.nextNode(); node; node = it.nextNode()) {\n          if (node.parentElement?.offsetHeight) {\n            const original = node.textContent!\n            const replaced = fn(original)\n            if (replaced.length > original.length)\n              nodes.set(node as ChildNode, replaced)\n          }\n        }\n\n        /* Replace original nodes with matches */\n        for (const [node, text] of nodes) {\n          const { childNodes } = h(\"span\", null, text)\n          node.replaceWith(...Array.from(childNodes))\n        }\n\n        /* Return component */\n        return { ref: el, nodes }\n      })\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  asyncScheduler,\n  auditTime,\n  combineLatest,\n  defer,\n  distinctUntilChanged,\n  endWith,\n  finalize,\n  first,\n  from,\n  fromEvent,\n  ignoreElements,\n  map,\n  mergeMap,\n  observeOn,\n  takeUntil,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  getElement,\n  getElementOffset,\n  getElementSize,\n  getElements\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\nimport { mountInlineTooltip2 } from \"../tooltip2\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sidebar\n */\nexport interface Sidebar {\n  height: number                       /* Sidebar height */\n  locked: boolean                      /* Sidebar is locked */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch sidebar\n *\n * This function returns an observable that computes the visual parameters of\n * the sidebar which depends on the vertical viewport offset, as well as the\n * height of the main area. When the page is scrolled beyond the header, the\n * sidebar is locked and fills the remaining space.\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar observable\n */\nexport function watchSidebar(\n  el: HTMLElement, { viewport$, main$ }: WatchOptions\n): Observable<Sidebar> {\n  const parent = el.closest<HTMLElement>(\".md-grid\")!\n  const adjust =\n    parent.offsetTop -\n    parent.parentElement!.offsetTop\n\n  /* Compute the sidebar's available height and if it should be locked */\n  return combineLatest([main$, viewport$])\n    .pipe(\n      map(([{ offset, height }, { offset: { y } }]) => {\n        height = height\n          + Math.min(adjust, Math.max(0, y - offset))\n          - adjust\n        return {\n          height,\n          locked: y >= offset + adjust\n        }\n      }),\n      distinctUntilChanged((a, b) => (\n        a.height === b.height &&\n        a.locked === b.locked\n      ))\n    )\n}\n\n/**\n * Mount sidebar\n *\n * This function doesn't set the height of the actual sidebar, but of its first\n * child \u2013 the `.md-sidebar__scrollwrap` element in order to mitigiate jittery\n * sidebars when the footer is scrolled into view. At some point we switched\n * from `absolute` / `fixed` positioning to `sticky` positioning, significantly\n * reducing jitter in some browsers (respectively Firefox and Safari) when\n * scrolling from the top. However, top-aligned sticky positioning means that\n * the sidebar snaps to the bottom when the end of the container is reached.\n * This is what leads to the mentioned jitter, as the sidebar's height may be\n * updated too slowly.\n *\n * This behaviour can be mitigiated by setting the height of the sidebar to `0`\n * while preserving the padding, and the height on its first element.\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar component observable\n */\nexport function mountSidebar(\n  el: HTMLElement, { header$, ...options }: MountOptions\n): Observable<Component<Sidebar>> {\n  const inner = getElement(\".md-sidebar__scrollwrap\", el)\n  const { y } = getElementOffset(inner)\n  return defer(() => {\n    const push$ = new Subject<Sidebar>()\n    const done$ = push$.pipe(ignoreElements(), endWith(true))\n    const next$ = push$\n      .pipe(\n        auditTime(0, animationFrameScheduler)\n      )\n\n    /* Update sidebar height and offset */\n    next$.pipe(withLatestFrom(header$))\n      .subscribe({\n\n        /* Handle emission */\n        next([{ height }, { height: offset }]) {\n          inner.style.height = `${height - 2 * y}px`\n          el.style.top       = `${offset}px`\n        },\n\n        /* Handle complete */\n        complete() {\n          inner.style.height = \"\"\n          el.style.top       = \"\"\n        }\n      })\n\n    /* Bring active item into view on initial load */\n    next$.pipe(first())\n      .subscribe(() => {\n        for (const item of getElements(\".md-nav__link--active[href]\", el)) {\n          if (!item.clientHeight) // skip invisible toc in left sidebar\n            continue\n          const container = item.closest<HTMLElement>(\".md-sidebar__scrollwrap\")!\n          if (typeof container !== \"undefined\") {\n            const offset = item.offsetTop - container.offsetTop\n            const { height } = getElementSize(container)\n            container.scrollTo({\n              top: offset - height / 2\n            })\n          }\n        }\n      })\n\n    /* Handle accessibility for expandable items, see https://bit.ly/3jaod9p */\n    from(getElements<HTMLLabelElement>(\"label[tabindex]\", el))\n      .pipe(\n        mergeMap(label => fromEvent(label, \"click\")\n          .pipe(\n            observeOn(asyncScheduler),\n            map(() => label),\n            takeUntil(done$)\n          )\n        )\n      )\n        .subscribe(label => {\n          const input = getElement<HTMLInputElement>(`[id=\"${label.htmlFor}\"]`)\n          const nav = getElement(`[aria-labelledby=\"${label.id}\"]`)\n          nav.setAttribute(\"aria-expanded\", `${input.checked}`)\n        })\n\n    // Mount abbreviation tooltips\n    if (feature(\"content.tooltips\"))\n      from(getElements(\"abbr[title]\", el))\n        .pipe(\n          mergeMap(child => mountInlineTooltip2(child, { viewport$ })),\n          takeUntil(done$)\n        )\n          .subscribe()\n\n    /* Create and return component */\n    return watchSidebar(el, options)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Repo, User } from \"github-types\"\nimport {\n  EMPTY,\n  Observable,\n  catchError,\n  defaultIfEmpty,\n  map,\n  zip\n} from \"rxjs\"\n\nimport { requestJSON } from \"~/browser\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * GitHub release (partial)\n */\ninterface Release {\n  tag_name: string                     /* Tag name */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitHub repository facts\n *\n * @param user - GitHub user or organization\n * @param repo - GitHub repository\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitHub(\n  user: string, repo?: string\n): Observable<SourceFacts> {\n  if (typeof repo !== \"undefined\") {\n    const url = `https://api.github.com/repos/${user}/${repo}`\n    return zip(\n\n      /* Fetch version */\n      requestJSON<Release>(`${url}/releases/latest`)\n        .pipe(\n          catchError(() => EMPTY), // @todo refactor instant loading\n          map(release => ({\n            version: release.tag_name\n          })),\n          defaultIfEmpty({})\n        ),\n\n      /* Fetch stars and forks */\n      requestJSON<Repo>(url)\n        .pipe(\n          catchError(() => EMPTY), // @todo refactor instant loading\n          map(info => ({\n            stars: info.stargazers_count,\n            forks: info.forks_count\n          })),\n          defaultIfEmpty({})\n        )\n    )\n      .pipe(\n        map(([release, info]) => ({ ...release, ...info }))\n      )\n\n  /* User or organization */\n  } else {\n    const url = `https://api.github.com/users/${user}`\n    return requestJSON<User>(url)\n      .pipe(\n        map(info => ({\n          repositories: info.public_repos\n        })),\n        defaultIfEmpty({})\n      )\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ProjectSchema } from \"gitlab\"\nimport {\n  EMPTY,\n  Observable,\n  catchError,\n  defaultIfEmpty,\n  map,\n  zip\n} from \"rxjs\"\n\nimport { requestJSON } from \"~/browser\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * GitLab release (partial)\n */\ninterface Release { // @todo remove and use the ReleaseSchema type instead after switching from gitlab to @gitbeaker/rest\n  tag_name: string                     /* Tag name */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitLab repository facts\n *\n * @param base - GitLab base\n * @param project - GitLab project\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitLab(\n  base: string, project: string\n): Observable<SourceFacts> {\n  const url = `https://${base}/api/v4/projects/${encodeURIComponent(project)}`\n  return zip(\n\n    /* Fetch version */\n    requestJSON<Release>(`${url}/releases/permalink/latest`)\n      .pipe(\n        catchError(() => EMPTY), // @todo refactor instant loading\n        map(({ tag_name }) => ({\n          version: tag_name\n        })),\n        defaultIfEmpty({})\n      ),\n\n    /* Fetch stars and forks */\n    requestJSON<ProjectSchema>(url)\n      .pipe(\n        catchError(() => EMPTY), // @todo refactor instant loading\n        map(({ star_count, forks_count }) => ({\n          stars: star_count,\n          forks: forks_count\n        })),\n        defaultIfEmpty({})\n      )\n  )\n    .pipe(\n      map(([release, info]) => ({ ...release, ...info }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { EMPTY, Observable } from \"rxjs\"\n\nimport { fetchSourceFactsFromGitHub } from \"../github\"\nimport { fetchSourceFactsFromGitLab } from \"../gitlab\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository facts for repositories\n */\nexport interface RepositoryFacts {\n  stars?: number                       /* Number of stars */\n  forks?: number                       /* Number of forks */\n  version?: string                     /* Latest version */\n}\n\n/**\n * Repository facts for organizations\n */\nexport interface OrganizationFacts {\n  repositories?: number                /* Number of repositories */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Repository facts\n */\nexport type SourceFacts =\n  | RepositoryFacts\n  | OrganizationFacts\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch repository facts\n *\n * @param url - Repository URL\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFacts(\n  url: string\n): Observable<SourceFacts> {\n\n  /* Try to match GitHub repository */\n  let match = url.match(/^.+github\\.com\\/([^/]+)\\/?([^/]+)?/i)\n  if (match) {\n    const [, user, repo] = match\n    return fetchSourceFactsFromGitHub(user, repo)\n  }\n\n  /* Try to match GitLab repository */\n  match = url.match(/^.+?([^/]*gitlab[^/]+)\\/(.+?)\\/?$/i)\n  if (match) {\n    const [, base, slug] = match\n    return fetchSourceFactsFromGitLab(base, slug)\n  }\n\n  /* Fallback */\n  return EMPTY\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  catchError,\n  defer,\n  filter,\n  finalize,\n  map,\n  of,\n  shareReplay,\n  tap\n} from \"rxjs\"\n\nimport { getElement } from \"~/browser\"\nimport { ConsentDefaults } from \"~/components/consent\"\nimport { renderSourceFacts } from \"~/templates\"\n\nimport {\n  Component,\n  getComponentElements\n} from \"../../_\"\nimport {\n  SourceFacts,\n  fetchSourceFacts\n} from \"../facts\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information\n */\nexport interface Source {\n  facts: SourceFacts                   /* Repository facts */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information observable\n */\nlet fetch$: Observable<Source>\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch repository information\n *\n * This function tries to read the repository facts from session storage, and\n * if unsuccessful, fetches them from the underlying provider.\n *\n * @param el - Repository information element\n *\n * @returns Repository information observable\n */\nexport function watchSource(\n  el: HTMLAnchorElement\n): Observable<Source> {\n  return fetch$ ||= defer(() => {\n    const cached = __md_get<SourceFacts>(\"__source\", sessionStorage)\n    if (cached) {\n      return of(cached)\n    } else {\n\n      /* Check if consent is configured and was given */\n      const els = getComponentElements(\"consent\")\n      if (els.length) {\n        const consent = __md_get<ConsentDefaults>(\"__consent\")\n        if (!(consent && consent.github))\n          return EMPTY\n      }\n\n      /* Fetch repository facts */\n      return fetchSourceFacts(el.href)\n        .pipe(\n          tap(facts => __md_set(\"__source\", facts, sessionStorage))\n        )\n    }\n  })\n    .pipe(\n      catchError(() => EMPTY),\n      filter(facts => Object.keys(facts).length > 0),\n      map(facts => ({ facts })),\n      shareReplay(1)\n    )\n}\n\n/**\n * Mount repository information\n *\n * @param el - Repository information element\n *\n * @returns Repository information component observable\n */\nexport function mountSource(\n  el: HTMLAnchorElement\n): Observable<Component<Source>> {\n  const inner = getElement(\":scope > :last-child\", el)\n  return defer(() => {\n    const push$ = new Subject<Source>()\n    push$.subscribe(({ facts }) => {\n      inner.appendChild(renderSourceFacts(facts))\n      inner.classList.add(\"md-source__repository--active\")\n    })\n\n    /* Create and return component */\n    return watchSource(el)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  defer,\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  of,\n  switchMap,\n  tap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  watchElementSize,\n  watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation tabs\n */\nexport interface Tabs {\n  hidden: boolean                      /* Navigation tabs are hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch navigation tabs\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs observable\n */\nexport function watchTabs(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<Tabs> {\n  return watchElementSize(document.body)\n    .pipe(\n      switchMap(() => watchViewportAt(el, { header$, viewport$ })),\n      map(({ offset: { y } }) => {\n        return {\n          hidden: y >= 10\n        }\n      }),\n      distinctUntilKeyChanged(\"hidden\")\n    )\n}\n\n/**\n * Mount navigation tabs\n *\n * This function hides the navigation tabs when scrolling past the threshold\n * and makes them reappear in a nice CSS animation when scrolling back up.\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs component observable\n */\nexport function mountTabs(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<Tabs>> {\n  return defer(() => {\n    const push$ = new Subject<Tabs>()\n    push$.subscribe({\n\n      /* Handle emission */\n      next({ hidden }) {\n        el.hidden = hidden\n      },\n\n      /* Handle complete */\n      complete() {\n        el.hidden = false\n      }\n    })\n\n    /* Create and return component */\n    return (\n      feature(\"navigation.tabs.sticky\")\n        ? of({ hidden: false })\n        : watchTabs(el, options)\n    )\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  asyncScheduler,\n  bufferCount,\n  combineLatestWith,\n  debounceTime,\n  defer,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  endWith,\n  filter,\n  finalize,\n  ignoreElements,\n  map,\n  merge,\n  observeOn,\n  of,\n  repeat,\n  scan,\n  share,\n  skip,\n  startWith,\n  switchMap,\n  takeUntil,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  getElement,\n  getElementContainer,\n  getElementSize,\n  getElements,\n  getLocation,\n  getOptionalElement,\n  watchElementSize\n} from \"~/browser\"\n\nimport {\n  Component,\n  getComponentElement\n} from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Table of contents\n */\nexport interface TableOfContents {\n  prev: HTMLAnchorElement[][]          /* Anchors (previous) */\n  next: HTMLAnchorElement[][]          /* Anchors (next) */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n  main$: Observable<Main>              /* Main area observable */\n  target$: Observable<HTMLElement>     /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch table of contents\n *\n * This is effectively a scroll spy implementation which will account for the\n * fixed header and automatically re-calculate anchor offsets when the viewport\n * is resized. The returned observable will only emit if the table of contents\n * needs to be repainted.\n *\n * This implementation tracks an anchor element's entire path starting from its\n * level up to the top-most anchor element, e.g. `[h3, h2, h1]`. Although the\n * Material theme currently doesn't make use of this information, it enables\n * the styling of the entire hierarchy through customization.\n *\n * Note that the current anchor is the last item of the `prev` anchor list.\n *\n * @param el - Table of contents element\n * @param options - Options\n *\n * @returns Table of contents observable\n */\nexport function watchTableOfContents(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<TableOfContents> {\n  const table = new Map<HTMLAnchorElement, HTMLElement>()\n\n  /* Compute anchor-to-target mapping */\n  const anchors = getElements<HTMLAnchorElement>(\".md-nav__link\", el)\n  for (const anchor of anchors) {\n    const id = decodeURIComponent(anchor.hash.substring(1))\n    const target = getOptionalElement(`[id=\"${id}\"]`)\n    if (typeof target !== \"undefined\")\n      table.set(anchor, target)\n  }\n\n  /* Compute necessary adjustment for header */\n  const adjust$ = header$\n    .pipe(\n      distinctUntilKeyChanged(\"height\"),\n      map(({ height }) => {\n        const main = getComponentElement(\"main\")\n        const grid = getElement(\":scope > :first-child\", main)\n        return height + 0.8 * (\n          grid.offsetTop -\n          main.offsetTop\n        )\n      }),\n      share()\n    )\n\n  /* Compute partition of previous and next anchors */\n  const partition$ = watchElementSize(document.body)\n    .pipe(\n      distinctUntilKeyChanged(\"height\"),\n\n      /* Build index to map anchor paths to vertical offsets */\n      switchMap(body => defer(() => {\n        let path: HTMLAnchorElement[] = []\n        return of([...table].reduce((index, [anchor, target]) => {\n          while (path.length) {\n            const last = table.get(path[path.length - 1])!\n            if (last.tagName >= target.tagName) {\n              path.pop()\n            } else {\n              break\n            }\n          }\n\n          /* If the current anchor is hidden, continue with its parent */\n          let offset = target.offsetTop\n          while (!offset && target.parentElement) {\n            target = target.parentElement\n            offset = target.offsetTop\n          }\n\n          /* Fix anchor offsets in tables - see https://bit.ly/3CUFOcn */\n          let parent = target.offsetParent as HTMLElement\n          for (; parent; parent = parent.offsetParent as HTMLElement)\n            offset += parent.offsetTop\n\n          /* Map reversed anchor path to vertical offset */\n          return index.set(\n            [...path = [...path, anchor]].reverse(),\n            offset\n          )\n        }, new Map<HTMLAnchorElement[], number>()))\n      })\n        .pipe(\n\n          /* Sort index by vertical offset (see https://bit.ly/30z6QSO) */\n          map(index => new Map([...index].sort(([, a], [, b]) => a - b))),\n          combineLatestWith(adjust$),\n\n          /* Re-compute partition when viewport offset changes */\n          switchMap(([index, adjust]) => viewport$\n            .pipe(\n              scan(([prev, next], { offset: { y }, size }) => {\n                const last = y + size.height >= Math.floor(body.height)\n\n                /* Look forward */\n                while (next.length) {\n                  const [, offset] = next[0]\n                  if (offset - adjust < y || last) {\n                    prev = [...prev, next.shift()!]\n                  } else {\n                    break\n                  }\n                }\n\n                /* Look backward */\n                while (prev.length) {\n                  const [, offset] = prev[prev.length - 1]\n                  if (offset - adjust >= y && !last) {\n                    next = [prev.pop()!, ...next]\n                  } else {\n                    break\n                  }\n                }\n\n                /* Return partition */\n                return [prev, next]\n              }, [[], [...index]]),\n              distinctUntilChanged((a, b) => (\n                a[0] === b[0] &&\n                a[1] === b[1]\n              ))\n            )\n          )\n        )\n      )\n    )\n\n  /* Compute and return anchor list migrations */\n  return partition$\n    .pipe(\n      map(([prev, next]) => ({\n        prev: prev.map(([path]) => path),\n        next: next.map(([path]) => path)\n      })),\n\n      /* Extract anchor list migrations */\n      startWith({ prev: [], next: [] }),\n      bufferCount(2, 1),\n      map(([a, b]) => {\n\n        /* Moving down */\n        if (a.prev.length < b.prev.length) {\n          return {\n            prev: b.prev.slice(Math.max(0, a.prev.length - 1), b.prev.length),\n            next: []\n          }\n\n        /* Moving up */\n        } else {\n          return {\n            prev: b.prev.slice(-1),\n            next: b.next.slice(0, b.next.length - a.next.length)\n          }\n        }\n      })\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount table of contents\n *\n * @param el - Table of contents element\n * @param options - Options\n *\n * @returns Table of contents component observable\n */\nexport function mountTableOfContents(\n  el: HTMLElement, { viewport$, header$, main$, target$ }: MountOptions\n): Observable<Component<TableOfContents>> {\n  return defer(() => {\n    const push$ = new Subject<TableOfContents>()\n    const done$ = push$.pipe(ignoreElements(), endWith(true))\n    push$.subscribe(({ prev, next }) => {\n\n      /* Look forward */\n      for (const [anchor] of next) {\n        anchor.classList.remove(\"md-nav__link--passed\")\n        anchor.classList.remove(\"md-nav__link--active\")\n      }\n\n      /* Look backward */\n      for (const [index, [anchor]] of prev.entries()) {\n        anchor.classList.add(\"md-nav__link--passed\")\n        anchor.classList.toggle(\n          \"md-nav__link--active\",\n          index === prev.length - 1\n        )\n      }\n    })\n\n    /* Set up following, if enabled */\n    if (feature(\"toc.follow\")) {\n\n      /* Toggle smooth scrolling only for anchor clicks */\n      const smooth$ = merge(\n        viewport$.pipe(debounceTime(1), map(() => undefined)),\n        viewport$.pipe(debounceTime(250), map(() => \"smooth\" as const))\n      )\n\n      /* Bring active anchor into view */ // @todo: refactor\n      push$\n        .pipe(\n          filter(({ prev }) => prev.length > 0),\n          combineLatestWith(main$.pipe(observeOn(asyncScheduler))),\n          withLatestFrom(smooth$)\n        )\n          .subscribe(([[{ prev }], behavior]) => {\n            const [anchor] = prev[prev.length - 1]\n            if (anchor.offsetHeight) {\n\n              /* Retrieve overflowing container and scroll */\n              const container = getElementContainer(anchor)\n              if (typeof container !== \"undefined\") {\n                const offset = anchor.offsetTop - container.offsetTop\n                const { height } = getElementSize(container)\n                container.scrollTo({\n                  top: offset - height / 2,\n                  behavior\n                })\n              }\n            }\n          })\n    }\n\n    /* Set up anchor tracking, if enabled */\n    if (feature(\"navigation.tracking\"))\n      viewport$\n        .pipe(\n          takeUntil(done$),\n          distinctUntilKeyChanged(\"offset\"),\n          debounceTime(250),\n          skip(1),\n          takeUntil(target$.pipe(skip(1))),\n          repeat({ delay: 250 }),\n          withLatestFrom(push$)\n        )\n          .subscribe(([, { prev }]) => {\n            const url = getLocation()\n\n            /* Set hash fragment to active anchor */\n            const anchor = prev[prev.length - 1]\n            if (anchor && anchor.length) {\n              const [active] = anchor\n              const { hash } = new URL(active.href)\n              if (url.hash !== hash) {\n                url.hash = hash\n                history.replaceState({}, \"\", `${url}`)\n              }\n\n            /* Reset anchor when at the top */\n            } else {\n              url.hash = \"\"\n              history.replaceState({}, \"\", `${url}`)\n            }\n          })\n\n    /* Create and return component */\n    return watchTableOfContents(el, { viewport$, header$ })\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  bufferCount,\n  combineLatest,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  endWith,\n  finalize,\n  fromEvent,\n  ignoreElements,\n  map,\n  repeat,\n  skip,\n  takeUntil,\n  tap\n} from \"rxjs\"\n\nimport { Viewport } from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Back-to-top button\n */\nexport interface BackToTop {\n  hidden: boolean                      /* Back-to-top button is hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  main$: Observable<Main>              /* Main area observable */\n  target$: Observable<HTMLElement>     /* Location target observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n  main$: Observable<Main>              /* Main area observable */\n  target$: Observable<HTMLElement>     /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch back-to-top\n *\n * @param _el - Back-to-top element\n * @param options - Options\n *\n * @returns Back-to-top observable\n */\nexport function watchBackToTop(\n  _el: HTMLElement, { viewport$, main$, target$ }: WatchOptions\n): Observable<BackToTop> {\n\n  /* Compute direction */\n  const direction$ = viewport$\n    .pipe(\n      map(({ offset: { y } }) => y),\n      bufferCount(2, 1),\n      map(([a, b]) => a > b && b > 0),\n      distinctUntilChanged()\n    )\n\n  /* Compute whether main area is active */\n  const active$ = main$\n    .pipe(\n      map(({ active }) => active)\n    )\n\n  /* Compute threshold for hiding */\n  return combineLatest([active$, direction$])\n    .pipe(\n      map(([active, direction]) => !(active && direction)),\n      distinctUntilChanged(),\n      takeUntil(target$.pipe(skip(1))),\n      endWith(true),\n      repeat({ delay: 250 }),\n      map(hidden => ({ hidden }))\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount back-to-top\n *\n * @param el - Back-to-top element\n * @param options - Options\n *\n * @returns Back-to-top component observable\n */\nexport function mountBackToTop(\n  el: HTMLElement, { viewport$, header$, main$, target$ }: MountOptions\n): Observable<Component<BackToTop>> {\n  const push$ = new Subject<BackToTop>()\n  const done$ = push$.pipe(ignoreElements(), endWith(true))\n  push$.subscribe({\n\n    /* Handle emission */\n    next({ hidden }) {\n      el.hidden = hidden\n      if (hidden) {\n        el.setAttribute(\"tabindex\", \"-1\")\n        el.blur()\n      } else {\n        el.removeAttribute(\"tabindex\")\n      }\n    },\n\n    /* Handle complete */\n    complete() {\n      el.style.top = \"\"\n      el.hidden = true\n      el.removeAttribute(\"tabindex\")\n    }\n  })\n\n  /* Watch header height */\n  header$\n    .pipe(\n      takeUntil(done$),\n      distinctUntilKeyChanged(\"height\")\n    )\n      .subscribe(({ height }) => {\n        el.style.top = `${height + 16}px`\n      })\n\n  /* Go back to top */\n  fromEvent(el, \"click\")\n    .subscribe(ev => {\n      ev.preventDefault()\n      window.scrollTo({ top: 0 })\n    })\n\n  /* Create and return component */\n  return watchBackToTop(el, { viewport$, main$, target$ })\n    .pipe(\n      tap(state => push$.next(state)),\n      finalize(() => push$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  filter,\n  finalize,\n  map,\n  mergeMap,\n  skip,\n  switchMap,\n  take,\n  takeUntil\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  getElements,\n  watchElementVisibility\n} from \"~/browser\"\nimport { mountInlineTooltip2 } from \"~/components/tooltip2\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  document$: Observable<Document>      /* Document observable */\n  viewport$: Observable<Viewport>      /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch ellipsis\n *\n * This function will fetch all elements that are shortened with ellipsis, and\n * filter those which are visible. Once they become visible, they stay in that\n * state, even though they may be hidden again. This optimization is necessary\n * to reduce pressure on the browser, with elements fading in and out of view.\n *\n * @param options - Options\n */\nexport function patchEllipsis(\n  { document$, viewport$ }: PatchOptions\n): void {\n  document$\n    .pipe(\n      switchMap(() => getElements(\".md-ellipsis\")),\n      mergeMap(el => watchElementVisibility(el)\n        .pipe(\n          takeUntil(document$.pipe(skip(1))),\n          filter(visible => visible),\n          map(() => el),\n          take(1)\n        )\n      ),\n      filter(el => el.offsetWidth < el.scrollWidth),\n      mergeMap(el => {\n        const text = el.innerText\n        const host = el.closest(\"a\") || el\n        host.title = text\n\n        // Do not mount improved tooltip if feature is disabled\n        if (!feature(\"content.tooltips\"))\n          return EMPTY\n\n        /* Mount tooltip */\n        return mountInlineTooltip2(host, { viewport$ })\n          .pipe(\n            takeUntil(document$.pipe(skip(1))),\n            finalize(() => host.removeAttribute(\"title\"))\n          )\n      })\n    )\n      .subscribe()\n\n  // @todo move this outside of here and fix memleaks\n  if (feature(\"content.tooltips\"))\n    document$\n      .pipe(\n        switchMap(() => getElements(\".md-status\")),\n        mergeMap(el => mountInlineTooltip2(el, { viewport$ }))\n      )\n        .subscribe()\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  fromEvent,\n  map,\n  mergeMap,\n  switchMap,\n  takeWhile,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  document$: Observable<Document>      /* Document observable */\n  tablet$: Observable<boolean>         /* Media tablet observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch indeterminate checkboxes\n *\n * This function replaces the indeterminate \"pseudo state\" with the actual\n * indeterminate state, which is used to keep navigation always expanded.\n *\n * @param options - Options\n */\nexport function patchIndeterminate(\n  { document$, tablet$ }: PatchOptions\n): void {\n  document$\n    .pipe(\n      switchMap(() => getElements<HTMLInputElement>(\n        \".md-toggle--indeterminate\"\n      )),\n      tap(el => {\n        el.indeterminate = true\n        el.checked = false\n      }),\n      mergeMap(el => fromEvent(el, \"change\")\n        .pipe(\n          takeWhile(() => el.classList.contains(\"md-toggle--indeterminate\")),\n          map(() => el)\n        )\n      ),\n      withLatestFrom(tablet$)\n    )\n      .subscribe(([el, tablet]) => {\n        el.classList.remove(\"md-toggle--indeterminate\")\n        if (tablet)\n          el.checked = false\n      })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  filter,\n  fromEvent,\n  map,\n  mergeMap,\n  switchMap,\n  tap\n} from \"rxjs\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  document$: Observable<Document>      /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether the given device is an Apple device\n *\n * @returns Test result\n */\nfunction isAppleDevice(): boolean {\n  return /(iPad|iPhone|iPod)/.test(navigator.userAgent)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all elements with `data-md-scrollfix` attributes\n *\n * This is a year-old patch which ensures that overflow scrolling works at the\n * top and bottom of containers on iOS by ensuring a `1px` scroll offset upon\n * the start of a touch event.\n *\n * @see https://bit.ly/2SCtAOO - Original source\n *\n * @param options - Options\n */\nexport function patchScrollfix(\n  { document$ }: PatchOptions\n): void {\n  document$\n    .pipe(\n      switchMap(() => getElements(\"[data-md-scrollfix]\")),\n      tap(el => el.removeAttribute(\"data-md-scrollfix\")),\n      filter(isAppleDevice),\n      mergeMap(el => fromEvent(el, \"touchstart\")\n        .pipe(\n          map(() => el)\n        )\n      )\n    )\n      .subscribe(el => {\n        const top = el.scrollTop\n\n        /* We're at the top of the container */\n        if (top === 0) {\n          el.scrollTop = 1\n\n        /* We're at the bottom of the container */\n        } else if (top + el.offsetHeight === el.scrollHeight) {\n          el.scrollTop = top - 1\n        }\n      })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  combineLatest,\n  delay,\n  map,\n  of,\n  switchMap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport {\n  Viewport,\n  watchToggle\n} from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  tablet$: Observable<boolean>         /* Media tablet observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch the document body to lock when search is open\n *\n * For mobile and tablet viewports, the search is rendered full screen, which\n * leads to scroll leaking when at the top or bottom of the search result. This\n * function locks the body when the search is in full screen mode, and restores\n * the scroll position when leaving.\n *\n * @param options - Options\n */\nexport function patchScrolllock(\n  { viewport$, tablet$ }: PatchOptions\n): void {\n  combineLatest([watchToggle(\"search\"), tablet$])\n    .pipe(\n      map(([active, tablet]) => active && !tablet),\n      switchMap(active => of(active)\n        .pipe(\n          delay(active ? 400 : 100)\n        )\n      ),\n      withLatestFrom(viewport$)\n    )\n      .subscribe(([active, { offset: { y }}]) => {\n        if (active) {\n          document.body.setAttribute(\"data-md-scrolllock\", \"\")\n          document.body.style.top = `-${y}px`\n        } else {\n          const value = -1 * parseInt(document.body.style.top, 10)\n          document.body.removeAttribute(\"data-md-scrolllock\")\n          document.body.style.top = \"\"\n          if (value)\n            window.scrollTo(0, value)\n        }\n      })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Polyfills\n * ------------------------------------------------------------------------- */\n\n/* Polyfill `Object.entries` */\nif (!Object.entries)\n  Object.entries = function (obj: object) {\n    const data: [string, string][] = []\n    for (const key of Object.keys(obj))\n      // @ts-expect-error - ignore property access warning\n      data.push([key, obj[key]])\n\n    /* Return entries */\n    return data\n  }\n\n/* Polyfill `Object.values` */\nif (!Object.values)\n  Object.values = function (obj: object) {\n    const data: string[] = []\n    for (const key of Object.keys(obj))\n      // @ts-expect-error - ignore property access warning\n      data.push(obj[key])\n\n    /* Return values */\n    return data\n  }\n\n/* ------------------------------------------------------------------------- */\n\n/* Polyfills for `Element` */\nif (typeof Element !== \"undefined\") {\n\n  /* Polyfill `Element.scrollTo` */\n  if (!Element.prototype.scrollTo)\n    Element.prototype.scrollTo = function (\n      x?: ScrollToOptions | number, y?: number\n    ): void {\n      if (typeof x === \"object\") {\n        this.scrollLeft = x.left!\n        this.scrollTop = x.top!\n      } else {\n        this.scrollLeft = x!\n        this.scrollTop = y!\n      }\n    }\n\n  /* Polyfill `Element.replaceWith` */\n  if (!Element.prototype.replaceWith)\n    Element.prototype.replaceWith = function (\n      ...nodes: Array<string | Node>\n    ): void {\n      const parent = this.parentNode\n      if (parent) {\n        if (nodes.length === 0)\n          parent.removeChild(this)\n\n        /* Replace children and create text nodes */\n        for (let i = nodes.length - 1; i >= 0; i--) {\n          let node = nodes[i]\n          if (typeof node === \"string\")\n            node = document.createTextNode(node)\n          else if (node.parentNode)\n            node.parentNode.removeChild(node)\n\n          /* Replace child or insert before previous sibling */\n          if (!i)\n            parent.replaceChild(node, this)\n          else\n            parent.insertBefore(this.previousSibling!, node)\n        }\n      }\n    }\n}\n"],
+  "mappings": 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index 01a46ad8..00000000
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p{fill:var(--md-mermaid-label-bg-color);color:var(--md-mermaid-edge-color)}.edgePath .path,.flowchart-link{stroke:var(--md-mermaid-edge-color)}.edgePath .arrowheadPath{fill:var(--md-mermaid-edge-color);stroke:none}.cluster rect{fill:var(--md-default-fg-color--lightest);stroke:var(--md-default-fg-color--lighter)}.cluster span{color:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}g #flowchart-circleEnd,g #flowchart-circleStart,g #flowchart-crossEnd,g #flowchart-crossStart,g #flowchart-pointEnd,g #flowchart-pointStart{stroke:none}.classDiagramTitleText{fill:var(--md-mermaid-label-fg-color)}g.classGroup line,g.classGroup rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}g.classGroup text{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.classLabel .box{fill:var(--md-mermaid-label-bg-color);background-color:var(--md-mermaid-label-bg-color);opacity:1}.classLabel .label{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.node .divider{stroke:var(--md-mermaid-node-fg-color)}.relation{stroke:var(--md-mermaid-edge-color)}.cardinality{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.cardinality text{fill:inherit!important}defs marker.marker.composition.class path,defs marker.marker.dependency.class path,defs marker.marker.extension.class path{fill:var(--md-mermaid-edge-color)!important;stroke:var(--md-mermaid-edge-color)!important}defs marker.marker.aggregation.class path{fill:var(--md-mermaid-label-bg-color)!important;stroke:var(--md-mermaid-edge-color)!important}.statediagramTitleText{fill:var(--md-mermaid-label-fg-color)}g.stateGroup rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}g.stateGroup .state-title{fill:var(--md-mermaid-label-fg-color)!important;font-family:var(--md-mermaid-font-family)}g.stateGroup .composit{fill:var(--md-mermaid-label-bg-color)}.nodeLabel,.nodeLabel p{color:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}a .nodeLabel{text-decoration:underline}.node circle.state-end,.node circle.state-start,.start-state{fill:var(--md-mermaid-edge-color);stroke:none}.end-state-inner,.end-state-outer{fill:var(--md-mermaid-edge-color)}.end-state-inner,.node circle.state-end{stroke:var(--md-mermaid-label-bg-color)}.transition{stroke:var(--md-mermaid-edge-color)}[id^=state-fork] rect,[id^=state-join] rect{fill:var(--md-mermaid-edge-color)!important;stroke:none!important}.statediagram-cluster.statediagram-cluster .inner{fill:var(--md-default-bg-color)}.statediagram-cluster rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}.statediagram-state rect.divider{fill:var(--md-default-fg-color--lightest);stroke:var(--md-default-fg-color--lighter)}defs #statediagram-barbEnd{stroke:var(--md-mermaid-edge-color)}[id^=entity] path,[id^=entity] rect{fill:var(--md-default-bg-color)}.relationshipLine{stroke:var(--md-mermaid-edge-color)}defs .marker.oneOrMore.er *,defs .marker.onlyOne.er *,defs .marker.zeroOrMore.er *,defs .marker.zeroOrOne.er *{stroke:var(--md-mermaid-edge-color)!important}text:not([class]):last-child{fill:var(--md-mermaid-label-fg-color)}.actor{fill:var(--md-mermaid-sequence-actor-bg-color);stroke:var(--md-mermaid-sequence-actor-border-color)}text.actor>tspan{fill:var(--md-mermaid-sequence-actor-fg-color);font-family:var(--md-mermaid-font-family)}line{stroke:var(--md-mermaid-sequence-actor-line-color)}.actor-man circle,.actor-man line{fill:var(--md-mermaid-sequence-actorman-bg-color);stroke:var(--md-mermaid-sequence-actorman-line-color)}.messageLine0,.messageLine1{stroke:var(--md-mermaid-sequence-message-line-color)}.note{fill:var(--md-mermaid-sequence-note-bg-color);stroke:var(--md-mermaid-sequence-note-border-color)}.loopText,.loopText>tspan,.messageText,.noteText>tspan{stroke:none;font-family:var(--md-mermaid-font-family)!important}.messageText{fill:var(--md-mermaid-sequence-message-fg-color)}.loopText,.loopText>tspan{fill:var(--md-mermaid-sequence-loop-fg-color)}.noteText>tspan{fill:var(--md-mermaid-sequence-note-fg-color)}#arrowhead path{fill:var(--md-mermaid-sequence-message-line-color);stroke:none}.loopLine{fill:var(--md-mermaid-sequence-loop-bg-color);stroke:var(--md-mermaid-sequence-loop-border-color)}.labelBox{fill:var(--md-mermaid-sequence-label-bg-color);stroke:none}.labelText,.labelText>span{fill:var(--md-mermaid-sequence-label-fg-color);font-family:var(--md-mermaid-font-family)}.sequenceNumber{fill:var(--md-mermaid-sequence-number-fg-color)}rect.rect{fill:var(--md-mermaid-sequence-box-bg-color);stroke:none}rect.rect+text.text{fill:var(--md-mermaid-sequence-box-fg-color)}defs #sequencenumber{fill:var(--md-mermaid-sequence-number-bg-color)!important}";var Gr,Qa=0;function Ka(){return typeof mermaid=="undefined"||mermaid instanceof Element?wt("https://unpkg.com/mermaid@11/dist/mermaid.min.js"):I(void 0)}function Wn(e){return e.classList.remove("mermaid"),Gr||(Gr=Ka().pipe(w(()=>mermaid.initialize({startOnLoad:!1,themeCSS:Un,sequence:{actorFontSize:"16px",messageFontSize:"16px",noteFontSize:"16px"}})),m(()=>{}),G(1))),Gr.subscribe(()=>co(null,null,function*(){e.classList.add("mermaid");let t=`__mermaid_${Qa++}`,r=x("div",{class:"mermaid"}),o=e.textContent,{svg:n,fn:i}=yield mermaid.render(t,o),a=r.attachShadow({mode:"closed"});a.innerHTML=n,e.replaceWith(r),i==null||i(a)})),Gr.pipe(m(()=>({ref:e})))}var Vn=x("table");function Dn(e){return e.replaceWith(Vn),Vn.replaceWith(An(e)),I({ref:e})}function Ya(e){let t=e.find(r=>r.checked)||e[0];return O(...e.map(r=>h(r,"change").pipe(m(()=>R(`label[for="${r.id}"]`))))).pipe(Q(R(`label[for="${t.id}"]`)),m(r=>({active:r})))}function zn(e,{viewport$:t,target$:r}){let o=R(".tabbed-labels",e),n=P(":scope > input",e),i=Kr("prev");e.append(i);let a=Kr("next");return e.append(a),C(()=>{let s=new g,p=s.pipe(Z(),ie(!0));N([s,ge(e),tt(e)]).pipe(W(p),Me(1,me)).subscribe({next([{active:c},l]){let f=De(c),{width:u}=ce(c);e.style.setProperty("--md-indicator-x",`${f.x}px`),e.style.setProperty("--md-indicator-width",`${u}px`);let d=pr(o);(f.x<d.x||f.x+u>d.x+l.width)&&o.scrollTo({left:Math.max(0,f.x-16),behavior:"smooth"})},complete(){e.style.removeProperty("--md-indicator-x"),e.style.removeProperty("--md-indicator-width")}}),N([ze(o),ge(o)]).pipe(W(p)).subscribe(([c,l])=>{let f=Tt(o);i.hidden=c.x<16,a.hidden=c.x>f.width-l.width-16}),O(h(i,"click").pipe(m(()=>-1)),h(a,"click").pipe(m(()=>1))).pipe(W(p)).subscribe(c=>{let{width:l}=ce(o);o.scrollBy({left:l*c,behavior:"smooth"})}),r.pipe(W(p),b(c=>n.includes(c))).subscribe(c=>c.click()),o.classList.add("tabbed-labels--linked");for(let c of n){let l=R(`label[for="${c.id}"]`);l.replaceChildren(x("a",{href:`#${l.htmlFor}`,tabIndex:-1},...Array.from(l.childNodes))),h(l.firstElementChild,"click").pipe(W(p),b(f=>!(f.metaKey||f.ctrlKey)),w(f=>{f.preventDefault(),f.stopPropagation()})).subscribe(()=>{history.replaceState({},"",`#${l.htmlFor}`),l.click()})}return B("content.tabs.link")&&s.pipe(Ce(1),re(t)).subscribe(([{active:c},{offset:l}])=>{let f=c.innerText.trim();if(c.hasAttribute("data-md-switching"))c.removeAttribute("data-md-switching");else{let u=e.offsetTop-l.y;for(let y of P("[data-tabs]"))for(let L of P(":scope > input",y)){let X=R(`label[for="${L.id}"]`);if(X!==c&&X.innerText.trim()===f){X.setAttribute("data-md-switching",""),L.click();break}}window.scrollTo({top:e.offsetTop-u});let d=__md_get("__tabs")||[];__md_set("__tabs",[...new Set([f,...d])])}}),s.pipe(W(p)).subscribe(()=>{for(let c of P("audio, video",e))c.offsetWidth&&c.autoplay?c.play().catch(()=>{}):c.pause()}),Ya(n).pipe(w(c=>s.next(c)),_(()=>s.complete()),m(c=>$({ref:e},c)))}).pipe(Ke(se))}function Nn(e,{viewport$:t,target$:r,print$:o}){return O(...P(".annotate:not(.highlight)",e).map(n=>Pn(n,{target$:r,print$:o})),...P("pre:not(.mermaid) > code",e).map(n=>jn(n,{target$:r,print$:o})),...P("pre.mermaid",e).map(n=>Wn(n)),...P("table:not([class])",e).map(n=>Dn(n)),...P("details",e).map(n=>Fn(n,{target$:r,print$:o})),...P("[data-tabs]",e).map(n=>zn(n,{viewport$:t,target$:r})),...P("[title]",e).filter(()=>B("content.tooltips")).map(n=>mt(n,{viewport$:t})))}function Ba(e,{alert$:t}){return t.pipe(v(r=>O(I(!0),I(!1).pipe(Ge(2e3))).pipe(m(o=>({message:r,active:o})))))}function qn(e,t){let r=R(".md-typeset",e);return C(()=>{let o=new g;return o.subscribe(({message:n,active:i})=>{e.classList.toggle("md-dialog--active",i),r.textContent=n}),Ba(e,t).pipe(w(n=>o.next(n)),_(()=>o.complete()),m(n=>$({ref:e},n)))})}var Ga=0;function Ja(e,t){document.body.append(e);let{width:r}=ce(e);e.style.setProperty("--md-tooltip-width",`${r}px`),e.remove();let o=cr(t),n=typeof o!="undefined"?ze(o):I({x:0,y:0}),i=O(et(t),Ht(t)).pipe(K());return N([i,n]).pipe(m(([a,s])=>{let{x:p,y:c}=De(t),l=ce(t),f=t.closest("table");return f&&t.parentElement&&(p+=f.offsetLeft+t.parentElement.offsetLeft,c+=f.offsetTop+t.parentElement.offsetTop),{active:a,offset:{x:p-s.x+l.width/2-r/2,y:c-s.y+l.height+8}}}))}function Qn(e){let t=e.title;if(!t.length)return S;let r=`__tooltip_${Ga++}`,o=Pt(r,"inline"),n=R(".md-typeset",o);return n.innerHTML=t,C(()=>{let i=new g;return i.subscribe({next({offset:a}){o.style.setProperty("--md-tooltip-x",`${a.x}px`),o.style.setProperty("--md-tooltip-y",`${a.y}px`)},complete(){o.style.removeProperty("--md-tooltip-x"),o.style.removeProperty("--md-tooltip-y")}}),O(i.pipe(b(({active:a})=>a)),i.pipe(_e(250),b(({active:a})=>!a))).subscribe({next({active:a}){a?(e.insertAdjacentElement("afterend",o),e.setAttribute("aria-describedby",r),e.removeAttribute("title")):(o.remove(),e.removeAttribute("aria-describedby"),e.setAttribute("title",t))},complete(){o.remove(),e.removeAttribute("aria-describedby"),e.setAttribute("title",t)}}),i.pipe(Me(16,me)).subscribe(({active:a})=>{o.classList.toggle("md-tooltip--active",a)}),i.pipe(pt(125,me),b(()=>!!e.offsetParent),m(()=>e.offsetParent.getBoundingClientRect()),m(({x:a})=>a)).subscribe({next(a){a?o.style.setProperty("--md-tooltip-0",`${-a}px`):o.style.removeProperty("--md-tooltip-0")},complete(){o.style.removeProperty("--md-tooltip-0")}}),Ja(o,e).pipe(w(a=>i.next(a)),_(()=>i.complete()),m(a=>$({ref:e},a)))}).pipe(Ke(se))}function Xa({viewport$:e}){if(!B("header.autohide"))return I(!1);let t=e.pipe(m(({offset:{y:n}})=>n),Be(2,1),m(([n,i])=>[n<i,i]),te(0)),r=N([e,t]).pipe(b(([{offset:n},[,i]])=>Math.abs(i-n.y)>100),m(([,[n]])=>n),K()),o=Ne("search");return N([e,o]).pipe(m(([{offset:n},i])=>n.y>400&&!i),K(),v(n=>n?r:I(!1)),Q(!1))}function Kn(e,t){return C(()=>N([ge(e),Xa(t)])).pipe(m(([{height:r},o])=>({height:r,hidden:o})),K((r,o)=>r.height===o.height&&r.hidden===o.hidden),G(1))}function Yn(e,{header$:t,main$:r}){return C(()=>{let o=new g,n=o.pipe(Z(),ie(!0));o.pipe(te("active"),He(t)).subscribe(([{active:a},{hidden:s}])=>{e.classList.toggle("md-header--shadow",a&&!s),e.hidden=s});let i=ue(P("[title]",e)).pipe(b(()=>B("content.tooltips")),ne(a=>Qn(a)));return r.subscribe(o),t.pipe(W(n),m(a=>$({ref:e},a)),Re(i.pipe(W(n))))})}function Za(e,{viewport$:t,header$:r}){return mr(e,{viewport$:t,header$:r}).pipe(m(({offset:{y:o}})=>{let{height:n}=ce(e);return{active:n>0&&o>=n}}),te("active"))}function Bn(e,t){return C(()=>{let r=new g;r.subscribe({next({active:n}){e.classList.toggle("md-header__title--active",n)},complete(){e.classList.remove("md-header__title--active")}});let o=fe(".md-content h1");return typeof o=="undefined"?S:Za(o,t).pipe(w(n=>r.next(n)),_(()=>r.complete()),m(n=>$({ref:e},n)))})}function Gn(e,{viewport$:t,header$:r}){let o=r.pipe(m(({height:i})=>i),K()),n=o.pipe(v(()=>ge(e).pipe(m(({height:i})=>({top:e.offsetTop,bottom:e.offsetTop+i})),te("bottom"))));return N([o,n,t]).pipe(m(([i,{top:a,bottom:s},{offset:{y:p},size:{height:c}}])=>(c=Math.max(0,c-Math.max(0,a-p,i)-Math.max(0,c+p-s)),{offset:a-i,height:c,active:a-i<=p})),K((i,a)=>i.offset===a.offset&&i.height===a.height&&i.active===a.active))}function es(e){let t=__md_get("__palette")||{index:e.findIndex(o=>matchMedia(o.getAttribute("data-md-color-media")).matches)},r=Math.max(0,Math.min(t.index,e.length-1));return I(...e).pipe(ne(o=>h(o,"change").pipe(m(()=>o))),Q(e[r]),m(o=>({index:e.indexOf(o),color:{media:o.getAttribute("data-md-color-media"),scheme:o.getAttribute("data-md-color-scheme"),primary:o.getAttribute("data-md-color-primary"),accent:o.getAttribute("data-md-color-accent")}})),G(1))}function Jn(e){let t=P("input",e),r=x("meta",{name:"theme-color"});document.head.appendChild(r);let o=x("meta",{name:"color-scheme"});document.head.appendChild(o);let n=$t("(prefers-color-scheme: light)");return C(()=>{let i=new g;return i.subscribe(a=>{if(document.body.setAttribute("data-md-color-switching",""),a.color.media==="(prefers-color-scheme)"){let s=matchMedia("(prefers-color-scheme: light)"),p=document.querySelector(s.matches?"[data-md-color-media='(prefers-color-scheme: light)']":"[data-md-color-media='(prefers-color-scheme: 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r.subscribe(({value:o})=>{e.style.setProperty("--md-progress-value",`${o}`)}),t.pipe(w(o=>r.next({value:o})),_(()=>r.complete()),m(o=>({ref:e,value:o})))})}var Jr=Lt(Br());function ts(e){e.setAttribute("data-md-copying","");let t=e.closest("[data-copy]"),r=t?t.getAttribute("data-copy"):e.innerText;return e.removeAttribute("data-md-copying"),r.trimEnd()}function Zn({alert$:e}){Jr.default.isSupported()&&new j(t=>{new Jr.default("[data-clipboard-target], [data-clipboard-text]",{text:r=>r.getAttribute("data-clipboard-text")||ts(R(r.getAttribute("data-clipboard-target")))}).on("success",r=>t.next(r))}).pipe(w(t=>{t.trigger.focus()}),m(()=>Ee("clipboard.copied"))).subscribe(e)}function ei(e,t){return e.protocol=t.protocol,e.hostname=t.hostname,e}function rs(e,t){let r=new Map;for(let o of P("url",e)){let n=R("loc",o),i=[ei(new URL(n.textContent),t)];r.set(`${i[0]}`,i);for(let a of P("[rel=alternate]",o)){let s=a.getAttribute("href");s!=null&&i.push(ei(new URL(s),t))}}return r}function ur(e){return un(new URL("sitemap.xml",e)).pipe(m(t=>rs(t,new URL(e))),de(()=>I(new Map)))}function os(e,t){if(!(e.target instanceof Element))return S;let r=e.target.closest("a");if(r===null)return S;if(r.target||e.metaKey||e.ctrlKey)return S;let o=new URL(r.href);return o.search=o.hash="",t.has(`${o}`)?(e.preventDefault(),I(new URL(r.href))):S}function ti(e){let t=new Map;for(let r of P(":scope > *",e.head))t.set(r.outerHTML,r);return t}function ri(e){for(let t of P("[href], [src]",e))for(let r of["href","src"]){let o=t.getAttribute(r);if(o&&!/^(?:[a-z]+:)?\/\//i.test(o)){t[r]=t[r];break}}return I(e)}function ns(e){for(let o of["[data-md-component=announce]","[data-md-component=container]","[data-md-component=header-topic]","[data-md-component=outdated]","[data-md-component=logo]","[data-md-component=skip]",...B("navigation.tabs.sticky")?["[data-md-component=tabs]"]:[]]){let n=fe(o),i=fe(o,e);typeof n!="undefined"&&typeof i!="undefined"&&n.replaceWith(i)}let t=ti(document);for(let[o,n]of ti(e))t.has(o)?t.delete(o):document.head.appendChild(n);for(let o of t.values()){let n=o.getAttribute("name");n!=="theme-color"&&n!=="color-scheme"&&o.remove()}let r=Se("container");return We(P("script",r)).pipe(v(o=>{let n=e.createElement("script");if(o.src){for(let i of o.getAttributeNames())n.setAttribute(i,o.getAttribute(i));return o.replaceWith(n),new j(i=>{n.onload=()=>i.complete()})}else return n.textContent=o.textContent,o.replaceWith(n),S}),Z(),ie(document))}function oi({location$:e,viewport$:t,progress$:r}){let o=xe();if(location.protocol==="file:")return S;let n=ur(o.base);I(document).subscribe(ri);let i=h(document.body,"click").pipe(He(n),v(([p,c])=>os(p,c)),pe()),a=h(window,"popstate").pipe(m(ye),pe());i.pipe(re(t)).subscribe(([p,{offset:c}])=>{history.replaceState(c,""),history.pushState(null,"",p)}),O(i,a).subscribe(e);let s=e.pipe(te("pathname"),v(p=>fn(p,{progress$:r}).pipe(de(()=>(lt(p,!0),S)))),v(ri),v(ns),pe());return 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hs(e,{viewport$:t,header$:r}){return ge(document.body).pipe(v(()=>mr(e,{header$:r,viewport$:t})),m(({offset:{y:o}})=>({hidden:o>=10})),te("hidden"))}function yi(e,t){return C(()=>{let r=new g;return r.subscribe({next({hidden:o}){e.hidden=o},complete(){e.hidden=!1}}),(B("navigation.tabs.sticky")?I({hidden:!1}):hs(e,t)).pipe(w(o=>r.next(o)),_(()=>r.complete()),m(o=>$({ref:e},o)))})}function bs(e,{viewport$:t,header$:r}){let o=new Map,n=P(".md-nav__link",e);for(let s of n){let p=decodeURIComponent(s.hash.substring(1)),c=fe(`[id="${p}"]`);typeof c!="undefined"&&o.set(s,c)}let i=r.pipe(te("height"),m(({height:s})=>{let p=Se("main"),c=R(":scope > :first-child",p);return s+.8*(c.offsetTop-p.offsetTop)}),pe());return ge(document.body).pipe(te("height"),v(s=>C(()=>{let p=[];return I([...o].reduce((c,[l,f])=>{for(;p.length&&o.get(p[p.length-1]).tagName>=f.tagName;)p.pop();let u=f.offsetTop;for(;!u&&f.parentElement;)f=f.parentElement,u=f.offsetTop;let 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p)c.classList.remove("md-nav__link--passed"),c.classList.remove("md-nav__link--active");for(let[c,[l]]of s.entries())l.classList.add("md-nav__link--passed"),l.classList.toggle("md-nav__link--active",c===s.length-1)}),B("toc.follow")){let s=O(t.pipe(_e(1),m(()=>{})),t.pipe(_e(250),m(()=>"smooth")));i.pipe(b(({prev:p})=>p.length>0),He(o.pipe(ve(se))),re(s)).subscribe(([[{prev:p}],c])=>{let[l]=p[p.length-1];if(l.offsetHeight){let f=cr(l);if(typeof f!="undefined"){let u=l.offsetTop-f.offsetTop,{height:d}=ce(f);f.scrollTo({top:u-d/2,behavior:c})}}})}return B("navigation.tracking")&&t.pipe(W(a),te("offset"),_e(250),Ce(1),W(n.pipe(Ce(1))),ct({delay:250}),re(i)).subscribe(([,{prev:s}])=>{let p=ye(),c=s[s.length-1];if(c&&c.length){let[l]=c,{hash:f}=new URL(l.href);p.hash!==f&&(p.hash=f,history.replaceState({},"",`${p}`))}else p.hash="",history.replaceState({},"",`${p}`)}),bs(e,{viewport$:t,header$:r}).pipe(w(s=>i.next(s)),_(()=>i.complete()),m(s=>$({ref:e},s)))})}function vs(e,{viewport$:t,main$:r,target$:o}){let n=t.pipe(m(({offset:{y:a}})=>a),Be(2,1),m(([a,s])=>a>s&&s>0),K()),i=r.pipe(m(({active:a})=>a));return N([i,n]).pipe(m(([a,s])=>!(a&&s)),K(),W(o.pipe(Ce(1))),ie(!0),ct({delay:250}),m(a=>({hidden:a})))}function Ei(e,{viewport$:t,header$:r,main$:o,target$:n}){let i=new g,a=i.pipe(Z(),ie(!0));return i.subscribe({next({hidden:s}){e.hidden=s,s?(e.setAttribute("tabindex","-1"),e.blur()):e.removeAttribute("tabindex")},complete(){e.style.top="",e.hidden=!0,e.removeAttribute("tabindex")}}),r.pipe(W(a),te("height")).subscribe(({height:s})=>{e.style.top=`${s+16}px`}),h(e,"click").subscribe(s=>{s.preventDefault(),window.scrollTo({top:0})}),vs(e,{viewport$:t,main$:o,target$:n}).pipe(w(s=>i.next(s)),_(()=>i.complete()),m(s=>$({ref:e},s)))}function wi({document$:e,viewport$:t}){e.pipe(v(()=>P(".md-ellipsis")),ne(r=>tt(r).pipe(W(e.pipe(Ce(1))),b(o=>o),m(()=>r),Te(1))),b(r=>r.offsetWidth<r.scrollWidth),ne(r=>{let o=r.innerText,n=r.closest("a")||r;return n.title=o,B("content.tooltips")?mt(n,{viewport$:t}).pipe(W(e.pipe(Ce(1))),_(()=>n.removeAttribute("title"))):S})).subscribe(),B("content.tooltips")&&e.pipe(v(()=>P(".md-status")),ne(r=>mt(r,{viewport$:t}))).subscribe()}function Ti({document$:e,tablet$:t}){e.pipe(v(()=>P(".md-toggle--indeterminate")),w(r=>{r.indeterminate=!0,r.checked=!1}),ne(r=>h(r,"change").pipe(Vr(()=>r.classList.contains("md-toggle--indeterminate")),m(()=>r))),re(t)).subscribe(([r,o])=>{r.classList.remove("md-toggle--indeterminate"),o&&(r.checked=!1)})}function gs(){return/(iPad|iPhone|iPod)/.test(navigator.userAgent)}function Si({document$:e}){e.pipe(v(()=>P("[data-md-scrollfix]")),w(t=>t.removeAttribute("data-md-scrollfix")),b(gs),ne(t=>h(t,"touchstart").pipe(m(()=>t)))).subscribe(t=>{let r=t.scrollTop;r===0?t.scrollTop=1:r+t.offsetHeight===t.scrollHeight&&(t.scrollTop=r-1)})}function 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o=="string"?o=document.createTextNode(o):o.parentNode&&o.parentNode.removeChild(o),r?t.insertBefore(this.previousSibling,o):t.replaceChild(o,this)}}}));function ys(){return location.protocol==="file:"?wt(`${new URL("search/search_index.js",eo.base)}`).pipe(m(()=>__index),G(1)):je(new URL("search/search_index.json",eo.base))}document.documentElement.classList.remove("no-js");document.documentElement.classList.add("js");var ot=Go(),Ft=sn(),Ot=ln(Ft),to=an(),Oe=gn(),hr=$t("(min-width: 60em)"),Mi=$t("(min-width: 76.25em)"),_i=mn(),eo=xe(),Ai=document.forms.namedItem("search")?ys():Ye,ro=new g;Zn({alert$:ro});var oo=new g;B("navigation.instant")&&oi({location$:Ft,viewport$:Oe,progress$:oo}).subscribe(ot);var Li;((Li=eo.version)==null?void 0:Li.provider)==="mike"&&ci({document$:ot});O(Ft,Ot).pipe(Ge(125)).subscribe(()=>{Je("drawer",!1),Je("search",!1)});to.pipe(b(({mode:e})=>e==="global")).subscribe(e=>{switch(e.type){case"p":case",":let t=fe("link[rel=prev]");typeof t!="undefined"&&lt(t);break;case"n":case".":let r=fe("link[rel=next]");typeof r!="undefined"&&lt(r);break;case"Enter":let o=Ie();o instanceof HTMLLabelElement&&o.click()}});wi({viewport$:Oe,document$:ot});Ti({document$:ot,tablet$:hr});Si({document$:ot});Oi({viewport$:Oe,tablet$:hr});var rt=Kn(Se("header"),{viewport$:Oe}),jt=ot.pipe(m(()=>Se("main")),v(e=>Gn(e,{viewport$:Oe,header$:rt})),G(1)),xs=O(...ae("consent").map(e=>En(e,{target$:Ot})),...ae("dialog").map(e=>qn(e,{alert$:ro})),...ae("palette").map(e=>Jn(e)),...ae("progress").map(e=>Xn(e,{progress$:oo})),...ae("search").map(e=>ui(e,{index$:Ai,keyboard$:to})),...ae("source").map(e=>gi(e))),Es=C(()=>O(...ae("announce").map(e=>xn(e)),...ae("content").map(e=>Nn(e,{viewport$:Oe,target$:Ot,print$:_i})),...ae("content").map(e=>B("search.highlight")?di(e,{index$:Ai,location$:Ft}):S),...ae("header").map(e=>Yn(e,{viewport$:Oe,header$:rt,main$:jt})),...ae("header-title").map(e=>Bn(e,{viewport$:Oe,header$:rt})),...ae("sidebar").map(e=>e.getAttribute("data-md-type")==="navigation"?zr(Mi,()=>Zr(e,{viewport$:Oe,header$:rt,main$:jt})):zr(hr,()=>Zr(e,{viewport$:Oe,header$:rt,main$:jt}))),...ae("tabs").map(e=>yi(e,{viewport$:Oe,header$:rt})),...ae("toc").map(e=>xi(e,{viewport$:Oe,header$:rt,main$:jt,target$:Ot})),...ae("top").map(e=>Ei(e,{viewport$:Oe,header$:rt,main$:jt,target$:Ot})))),Ci=ot.pipe(v(()=>Es),Re(xs),G(1));Ci.subscribe();window.document$=ot;window.location$=Ft;window.target$=Ot;window.keyboard$=to;window.viewport$=Oe;window.tablet$=hr;window.screen$=Mi;window.print$=_i;window.alert$=ro;window.progress$=oo;window.component$=Ci;})();
-//# sourceMappingURL=bundle.f55a23d4.min.js.map
-
diff --git a/dev/assets/javascripts/bundle.f55a23d4.min.js.map b/dev/assets/javascripts/bundle.f55a23d4.min.js.map
deleted file mode 100644
index e3de73ff..00000000
--- a/dev/assets/javascripts/bundle.f55a23d4.min.js.map
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "version": 3,
-  "sources": ["node_modules/focus-visible/dist/focus-visible.js", "node_modules/escape-html/index.js", "node_modules/clipboard/dist/clipboard.js", "src/templates/assets/javascripts/bundle.ts", "node_modules/tslib/tslib.es6.mjs", "node_modules/rxjs/src/internal/util/isFunction.ts", "node_modules/rxjs/src/internal/util/createErrorClass.ts", "node_modules/rxjs/src/internal/util/UnsubscriptionError.ts", "node_modules/rxjs/src/internal/util/arrRemove.ts", "node_modules/rxjs/src/internal/Subscription.ts", "node_modules/rxjs/src/internal/config.ts", "node_modules/rxjs/src/internal/scheduler/timeoutProvider.ts", "node_modules/rxjs/src/internal/util/reportUnhandledError.ts", "node_modules/rxjs/src/internal/util/noop.ts", "node_modules/rxjs/src/internal/NotificationFactories.ts", "node_modules/rxjs/src/internal/util/errorContext.ts", "node_modules/rxjs/src/internal/Subscriber.ts", "node_modules/rxjs/src/internal/symbol/observable.ts", "node_modules/rxjs/src/internal/util/identity.ts", "node_modules/rxjs/src/internal/util/pipe.ts", "node_modules/rxjs/src/internal/Observable.ts", "node_modules/rxjs/src/internal/util/lift.ts", "node_modules/rxjs/src/internal/operators/OperatorSubscriber.ts", "node_modules/rxjs/src/internal/scheduler/animationFrameProvider.ts", "node_modules/rxjs/src/internal/util/ObjectUnsubscribedError.ts", "node_modules/rxjs/src/internal/Subject.ts", "node_modules/rxjs/src/internal/BehaviorSubject.ts", "node_modules/rxjs/src/internal/scheduler/dateTimestampProvider.ts", "node_modules/rxjs/src/internal/ReplaySubject.ts", "node_modules/rxjs/src/internal/scheduler/Action.ts", "node_modules/rxjs/src/internal/scheduler/intervalProvider.ts", "node_modules/rxjs/src/internal/scheduler/AsyncAction.ts", "node_modules/rxjs/src/internal/Scheduler.ts", "node_modules/rxjs/src/internal/scheduler/AsyncScheduler.ts", "node_modules/rxjs/src/internal/scheduler/async.ts", "node_modules/rxjs/src/internal/scheduler/QueueAction.ts", "node_modules/rxjs/src/internal/scheduler/QueueScheduler.ts", "node_modules/rxjs/src/internal/scheduler/queue.ts", "node_modules/rxjs/src/internal/scheduler/AnimationFrameAction.ts", "node_modules/rxjs/src/internal/scheduler/AnimationFrameScheduler.ts", "node_modules/rxjs/src/internal/scheduler/animationFrame.ts", "node_modules/rxjs/src/internal/observable/empty.ts", "node_modules/rxjs/src/internal/util/isScheduler.ts", "node_modules/rxjs/src/internal/util/args.ts", "node_modules/rxjs/src/internal/util/isArrayLike.ts", "node_modules/rxjs/src/internal/util/isPromise.ts", "node_modules/rxjs/src/internal/util/isInteropObservable.ts", "node_modules/rxjs/src/internal/util/isAsyncIterable.ts", "node_modules/rxjs/src/internal/util/throwUnobservableError.ts", "node_modules/rxjs/src/internal/symbol/iterator.ts", "node_modules/rxjs/src/internal/util/isIterable.ts", "node_modules/rxjs/src/internal/util/isReadableStreamLike.ts", "node_modules/rxjs/src/internal/observable/innerFrom.ts", "node_modules/rxjs/src/internal/util/executeSchedule.ts", "node_modules/rxjs/src/internal/operators/observeOn.ts", "node_modules/rxjs/src/internal/operators/subscribeOn.ts", "node_modules/rxjs/src/internal/scheduled/scheduleObservable.ts", "node_modules/rxjs/src/internal/scheduled/schedulePromise.ts", "node_modules/rxjs/src/internal/scheduled/scheduleArray.ts", "node_modules/rxjs/src/internal/scheduled/scheduleIterable.ts", "node_modules/rxjs/src/internal/scheduled/scheduleAsyncIterable.ts", "node_modules/rxjs/src/internal/scheduled/scheduleReadableStreamLike.ts", "node_modules/rxjs/src/internal/scheduled/scheduled.ts", "node_modules/rxjs/src/internal/observable/from.ts", "node_modules/rxjs/src/internal/observable/of.ts", "node_modules/rxjs/src/internal/observable/throwError.ts", "node_modules/rxjs/src/internal/util/EmptyError.ts", "node_modules/rxjs/src/internal/util/isDate.ts", "node_modules/rxjs/src/internal/operators/map.ts", "node_modules/rxjs/src/internal/util/mapOneOrManyArgs.ts", "node_modules/rxjs/src/internal/util/argsArgArrayOrObject.ts", "node_modules/rxjs/src/internal/util/createObject.ts", "node_modules/rxjs/src/internal/observable/combineLatest.ts", "node_modules/rxjs/src/internal/operators/mergeInternals.ts", "node_modules/rxjs/src/internal/operators/mergeMap.ts", "node_modules/rxjs/src/internal/operators/mergeAll.ts", "node_modules/rxjs/src/internal/operators/concatAll.ts", "node_modules/rxjs/src/internal/observable/concat.ts", "node_modules/rxjs/src/internal/observable/defer.ts", "node_modules/rxjs/src/internal/observable/fromEvent.ts", "node_modules/rxjs/src/internal/observable/fromEventPattern.ts", "node_modules/rxjs/src/internal/observable/timer.ts", "node_modules/rxjs/src/internal/observable/merge.ts", "node_modules/rxjs/src/internal/observable/never.ts", "node_modules/rxjs/src/internal/util/argsOrArgArray.ts", "node_modules/rxjs/src/internal/operators/filter.ts", "node_modules/rxjs/src/internal/observable/zip.ts", "node_modules/rxjs/src/internal/operators/audit.ts", "node_modules/rxjs/src/internal/operators/auditTime.ts", "node_modules/rxjs/src/internal/operators/bufferCount.ts", "node_modules/rxjs/src/internal/operators/catchError.ts", "node_modules/rxjs/src/internal/operators/scanInternals.ts", "node_modules/rxjs/src/internal/operators/combineLatest.ts", "node_modules/rxjs/src/internal/operators/combineLatestWith.ts", "node_modules/rxjs/src/internal/operators/debounce.ts", "node_modules/rxjs/src/internal/operators/debounceTime.ts", "node_modules/rxjs/src/internal/operators/defaultIfEmpty.ts", "node_modules/rxjs/src/internal/operators/take.ts", "node_modules/rxjs/src/internal/operators/ignoreElements.ts", "node_modules/rxjs/src/internal/operators/mapTo.ts", "node_modules/rxjs/src/internal/operators/delayWhen.ts", "node_modules/rxjs/src/internal/operators/delay.ts", "node_modules/rxjs/src/internal/operators/distinctUntilChanged.ts", "node_modules/rxjs/src/internal/operators/distinctUntilKeyChanged.ts", "node_modules/rxjs/src/internal/operators/throwIfEmpty.ts", "node_modules/rxjs/src/internal/operators/endWith.ts", "node_modules/rxjs/src/internal/operators/finalize.ts", "node_modules/rxjs/src/internal/operators/first.ts", "node_modules/rxjs/src/internal/operators/takeLast.ts", "node_modules/rxjs/src/internal/operators/merge.ts", "node_modules/rxjs/src/internal/operators/mergeWith.ts", "node_modules/rxjs/src/internal/operators/repeat.ts", "node_modules/rxjs/src/internal/operators/scan.ts", "node_modules/rxjs/src/internal/operators/share.ts", "node_modules/rxjs/src/internal/operators/shareReplay.ts", "node_modules/rxjs/src/internal/operators/skip.ts", "node_modules/rxjs/src/internal/operators/skipUntil.ts", "node_modules/rxjs/src/internal/operators/startWith.ts", "node_modules/rxjs/src/internal/operators/switchMap.ts", "node_modules/rxjs/src/internal/operators/takeUntil.ts", "node_modules/rxjs/src/internal/operators/takeWhile.ts", "node_modules/rxjs/src/internal/operators/tap.ts", "node_modules/rxjs/src/internal/operators/throttle.ts", "node_modules/rxjs/src/internal/operators/throttleTime.ts", "node_modules/rxjs/src/internal/operators/withLatestFrom.ts", "node_modules/rxjs/src/internal/operators/zip.ts", "node_modules/rxjs/src/internal/operators/zipWith.ts", "src/templates/assets/javascripts/browser/document/index.ts", "src/templates/assets/javascripts/browser/element/_/index.ts", "src/templates/assets/javascripts/browser/element/focus/index.ts", "src/templates/assets/javascripts/browser/element/hover/index.ts", "src/templates/assets/javascripts/utilities/h/index.ts", "src/templates/assets/javascripts/utilities/round/index.ts", "src/templates/assets/javascripts/browser/script/index.ts", "src/templates/assets/javascripts/browser/element/size/_/index.ts", "src/templates/assets/javascripts/browser/element/size/content/index.ts", "src/templates/assets/javascripts/browser/element/offset/_/index.ts", "src/templates/assets/javascripts/browser/element/offset/content/index.ts", "src/templates/assets/javascripts/browser/element/visibility/index.ts", "src/templates/assets/javascripts/browser/toggle/index.ts", "src/templates/assets/javascripts/browser/keyboard/index.ts", "src/templates/assets/javascripts/browser/location/_/index.ts", "src/templates/assets/javascripts/browser/location/hash/index.ts", "src/templates/assets/javascripts/browser/media/index.ts", "src/templates/assets/javascripts/browser/request/index.ts", "src/templates/assets/javascripts/browser/viewport/offset/index.ts", "src/templates/assets/javascripts/browser/viewport/size/index.ts", "src/templates/assets/javascripts/browser/viewport/_/index.ts", "src/templates/assets/javascripts/browser/viewport/at/index.ts", "src/templates/assets/javascripts/browser/worker/index.ts", "src/templates/assets/javascripts/_/index.ts", "src/templates/assets/javascripts/components/_/index.ts", "src/templates/assets/javascripts/components/announce/index.ts", "src/templates/assets/javascripts/components/consent/index.ts", "src/templates/assets/javascripts/templates/tooltip/index.tsx", "src/templates/assets/javascripts/templates/annotation/index.tsx", "src/templates/assets/javascripts/templates/clipboard/index.tsx", "src/templates/assets/javascripts/templates/search/index.tsx", "src/templates/assets/javascripts/templates/source/index.tsx", "src/templates/assets/javascripts/templates/tabbed/index.tsx", "src/templates/assets/javascripts/templates/table/index.tsx", "src/templates/assets/javascripts/templates/version/index.tsx", "src/templates/assets/javascripts/components/tooltip2/index.ts", "src/templates/assets/javascripts/components/content/annotation/_/index.ts", "src/templates/assets/javascripts/components/content/annotation/list/index.ts", "src/templates/assets/javascripts/components/content/annotation/block/index.ts", "src/templates/assets/javascripts/components/content/code/_/index.ts", "src/templates/assets/javascripts/components/content/details/index.ts", "src/templates/assets/javascripts/components/content/mermaid/index.css", "src/templates/assets/javascripts/components/content/mermaid/index.ts", "src/templates/assets/javascripts/components/content/table/index.ts", "src/templates/assets/javascripts/components/content/tabs/index.ts", "src/templates/assets/javascripts/components/content/_/index.ts", "src/templates/assets/javascripts/components/dialog/index.ts", "src/templates/assets/javascripts/components/tooltip/index.ts", "src/templates/assets/javascripts/components/header/_/index.ts", "src/templates/assets/javascripts/components/header/title/index.ts", "src/templates/assets/javascripts/components/main/index.ts", "src/templates/assets/javascripts/components/palette/index.ts", "src/templates/assets/javascripts/components/progress/index.ts", "src/templates/assets/javascripts/integrations/clipboard/index.ts", "src/templates/assets/javascripts/integrations/sitemap/index.ts", "src/templates/assets/javascripts/integrations/instant/index.ts", "src/templates/assets/javascripts/integrations/search/highlighter/index.ts", "src/templates/assets/javascripts/integrations/search/worker/message/index.ts", "src/templates/assets/javascripts/integrations/search/worker/_/index.ts", "src/templates/assets/javascripts/integrations/version/findurl/index.ts", "src/templates/assets/javascripts/integrations/version/index.ts", "src/templates/assets/javascripts/components/search/query/index.ts", "src/templates/assets/javascripts/components/search/result/index.ts", "src/templates/assets/javascripts/components/search/share/index.ts", "src/templates/assets/javascripts/components/search/suggest/index.ts", "src/templates/assets/javascripts/components/search/_/index.ts", "src/templates/assets/javascripts/components/search/highlight/index.ts", "src/templates/assets/javascripts/components/sidebar/index.ts", "src/templates/assets/javascripts/components/source/facts/github/index.ts", "src/templates/assets/javascripts/components/source/facts/gitlab/index.ts", "src/templates/assets/javascripts/components/source/facts/_/index.ts", "src/templates/assets/javascripts/components/source/_/index.ts", "src/templates/assets/javascripts/components/tabs/index.ts", "src/templates/assets/javascripts/components/toc/index.ts", "src/templates/assets/javascripts/components/top/index.ts", "src/templates/assets/javascripts/patches/ellipsis/index.ts", "src/templates/assets/javascripts/patches/indeterminate/index.ts", "src/templates/assets/javascripts/patches/scrollfix/index.ts", "src/templates/assets/javascripts/patches/scrolllock/index.ts", "src/templates/assets/javascripts/polyfills/index.ts"],
-  "sourcesContent": ["(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? factory() :\n  typeof define === 'function' && define.amd ? define(factory) :\n  (factory());\n}(this, (function () { 'use strict';\n\n  /**\n   * Applies the :focus-visible polyfill at the given scope.\n   * A scope in this case is either the top-level Document or a Shadow Root.\n   *\n   * @param {(Document|ShadowRoot)} scope\n   * @see https://github.com/WICG/focus-visible\n   */\n  function applyFocusVisiblePolyfill(scope) {\n    var hadKeyboardEvent = true;\n    var hadFocusVisibleRecently = false;\n    var hadFocusVisibleRecentlyTimeout = null;\n\n    var inputTypesAllowlist = {\n      text: true,\n      search: true,\n      url: true,\n      tel: true,\n      email: true,\n      password: true,\n      number: true,\n      date: true,\n      month: true,\n      week: true,\n      time: true,\n      datetime: true,\n      'datetime-local': true\n    };\n\n    /**\n     * Helper function for legacy browsers and iframes which sometimes focus\n     * elements like document, body, and non-interactive SVG.\n     * @param {Element} el\n     */\n    function isValidFocusTarget(el) {\n      if (\n        el &&\n        el !== document &&\n        el.nodeName !== 'HTML' &&\n        el.nodeName !== 'BODY' &&\n        'classList' in el &&\n        'contains' in el.classList\n      ) {\n        return true;\n      }\n      return false;\n    }\n\n    /**\n     * Computes whether the given element should automatically trigger the\n     * `focus-visible` class being added, i.e. whether it should always match\n     * `:focus-visible` when focused.\n     * @param {Element} el\n     * @return {boolean}\n     */\n    function focusTriggersKeyboardModality(el) {\n      var type = el.type;\n      var tagName = el.tagName;\n\n      if (tagName === 'INPUT' && inputTypesAllowlist[type] && !el.readOnly) {\n        return true;\n      }\n\n      if (tagName === 'TEXTAREA' && !el.readOnly) {\n        return true;\n      }\n\n      if (el.isContentEditable) {\n        return true;\n      }\n\n      return false;\n    }\n\n    /**\n     * Add the `focus-visible` class to the given element if it was not added by\n     * the author.\n     * @param {Element} el\n     */\n    function addFocusVisibleClass(el) {\n      if (el.classList.contains('focus-visible')) {\n        return;\n      }\n      el.classList.add('focus-visible');\n      el.setAttribute('data-focus-visible-added', '');\n    }\n\n    /**\n     * Remove the `focus-visible` class from the given element if it was not\n     * originally added by the author.\n     * @param {Element} el\n     */\n    function removeFocusVisibleClass(el) {\n      if (!el.hasAttribute('data-focus-visible-added')) {\n        return;\n      }\n      el.classList.remove('focus-visible');\n      el.removeAttribute('data-focus-visible-added');\n    }\n\n    /**\n     * If the most recent user interaction was via the keyboard;\n     * and the key press did not include a meta, alt/option, or control key;\n     * then the modality is keyboard. Otherwise, the modality is not keyboard.\n     * Apply `focus-visible` to any current active element and keep track\n     * of our keyboard modality state with `hadKeyboardEvent`.\n     * @param {KeyboardEvent} e\n     */\n    function onKeyDown(e) {\n      if (e.metaKey || e.altKey || e.ctrlKey) {\n        return;\n      }\n\n      if (isValidFocusTarget(scope.activeElement)) {\n        addFocusVisibleClass(scope.activeElement);\n      }\n\n      hadKeyboardEvent = true;\n    }\n\n    /**\n     * If at any point a user clicks with a pointing device, ensure that we change\n     * the modality away from keyboard.\n     * This avoids the situation where a user presses a key on an already focused\n     * element, and then clicks on a different element, focusing it with a\n     * pointing device, while we still think we're in keyboard modality.\n     * @param {Event} e\n     */\n    function onPointerDown(e) {\n      hadKeyboardEvent = false;\n    }\n\n    /**\n     * On `focus`, add the `focus-visible` class to the target if:\n     * - the target received focus as a result of keyboard navigation, or\n     * - the event target is an element that will likely require interaction\n     *   via the keyboard (e.g. a text box)\n     * @param {Event} e\n     */\n    function onFocus(e) {\n      // Prevent IE from focusing the document or HTML element.\n      if (!isValidFocusTarget(e.target)) {\n        return;\n      }\n\n      if (hadKeyboardEvent || focusTriggersKeyboardModality(e.target)) {\n        addFocusVisibleClass(e.target);\n      }\n    }\n\n    /**\n     * On `blur`, remove the `focus-visible` class from the target.\n     * @param {Event} e\n     */\n    function onBlur(e) {\n      if (!isValidFocusTarget(e.target)) {\n        return;\n      }\n\n      if (\n        e.target.classList.contains('focus-visible') ||\n        e.target.hasAttribute('data-focus-visible-added')\n      ) {\n        // To detect a tab/window switch, we look for a blur event followed\n        // rapidly by a visibility change.\n        // If we don't see a visibility change within 100ms, it's probably a\n        // regular focus change.\n        hadFocusVisibleRecently = true;\n        window.clearTimeout(hadFocusVisibleRecentlyTimeout);\n        hadFocusVisibleRecentlyTimeout = window.setTimeout(function() {\n          hadFocusVisibleRecently = false;\n        }, 100);\n        removeFocusVisibleClass(e.target);\n      }\n    }\n\n    /**\n     * If the user changes tabs, keep track of whether or not the previously\n     * focused element had .focus-visible.\n     * @param {Event} e\n     */\n    function onVisibilityChange(e) {\n      if (document.visibilityState === 'hidden') {\n        // If the tab becomes active again, the browser will handle calling focus\n        // on the element (Safari actually calls it twice).\n        // If this tab change caused a blur on an element with focus-visible,\n        // re-apply the class when the user switches back to the tab.\n        if (hadFocusVisibleRecently) {\n          hadKeyboardEvent = true;\n        }\n        addInitialPointerMoveListeners();\n      }\n    }\n\n    /**\n     * Add a group of listeners to detect usage of any pointing devices.\n     * These listeners will be added when the polyfill first loads, and anytime\n     * the window is blurred, so that they are active when the window regains\n     * focus.\n     */\n    function addInitialPointerMoveListeners() {\n      document.addEventListener('mousemove', onInitialPointerMove);\n      document.addEventListener('mousedown', onInitialPointerMove);\n      document.addEventListener('mouseup', onInitialPointerMove);\n      document.addEventListener('pointermove', onInitialPointerMove);\n      document.addEventListener('pointerdown', onInitialPointerMove);\n      document.addEventListener('pointerup', onInitialPointerMove);\n      document.addEventListener('touchmove', onInitialPointerMove);\n      document.addEventListener('touchstart', onInitialPointerMove);\n      document.addEventListener('touchend', onInitialPointerMove);\n    }\n\n    function removeInitialPointerMoveListeners() {\n      document.removeEventListener('mousemove', onInitialPointerMove);\n      document.removeEventListener('mousedown', onInitialPointerMove);\n      document.removeEventListener('mouseup', onInitialPointerMove);\n      document.removeEventListener('pointermove', onInitialPointerMove);\n      document.removeEventListener('pointerdown', onInitialPointerMove);\n      document.removeEventListener('pointerup', onInitialPointerMove);\n      document.removeEventListener('touchmove', onInitialPointerMove);\n      document.removeEventListener('touchstart', onInitialPointerMove);\n      document.removeEventListener('touchend', onInitialPointerMove);\n    }\n\n    /**\n     * When the polfyill first loads, assume the user is in keyboard modality.\n     * If any event is received from a pointing device (e.g. mouse, pointer,\n     * touch), turn off keyboard modality.\n     * This accounts for situations where focus enters the page from the URL bar.\n     * @param {Event} e\n     */\n    function onInitialPointerMove(e) {\n      // Work around a Safari quirk that fires a mousemove on <html> whenever the\n      // window blurs, even if you're tabbing out of the page. \u00AF\\_(\u30C4)_/\u00AF\n      if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {\n        return;\n      }\n\n      hadKeyboardEvent = false;\n      removeInitialPointerMoveListeners();\n    }\n\n    // For some kinds of state, we are interested in changes at the global scope\n    // only. For example, global pointer input, global key presses and global\n    // visibility change should affect the state at every scope:\n    document.addEventListener('keydown', onKeyDown, true);\n    document.addEventListener('mousedown', onPointerDown, true);\n    document.addEventListener('pointerdown', onPointerDown, true);\n    document.addEventListener('touchstart', onPointerDown, true);\n    document.addEventListener('visibilitychange', onVisibilityChange, true);\n\n    addInitialPointerMoveListeners();\n\n    // For focus and blur, we specifically care about state changes in the local\n    // scope. This is because focus / blur events that originate from within a\n    // shadow root are not re-dispatched from the host element if it was already\n    // the active element in its own scope:\n    scope.addEventListener('focus', onFocus, true);\n    scope.addEventListener('blur', onBlur, true);\n\n    // We detect that a node is a ShadowRoot by ensuring that it is a\n    // DocumentFragment and also has a host property. This check covers native\n    // implementation and polyfill implementation transparently. If we only cared\n    // about the native implementation, we could just check if the scope was\n    // an instance of a ShadowRoot.\n    if (scope.nodeType === Node.DOCUMENT_FRAGMENT_NODE && scope.host) {\n      // Since a ShadowRoot is a special kind of DocumentFragment, it does not\n      // have a root element to add a class to. So, we add this attribute to the\n      // host element instead:\n      scope.host.setAttribute('data-js-focus-visible', '');\n    } else if (scope.nodeType === Node.DOCUMENT_NODE) {\n      document.documentElement.classList.add('js-focus-visible');\n      document.documentElement.setAttribute('data-js-focus-visible', '');\n    }\n  }\n\n  // It is important to wrap all references to global window and document in\n  // these checks to support server-side rendering use cases\n  // @see https://github.com/WICG/focus-visible/issues/199\n  if (typeof window !== 'undefined' && typeof document !== 'undefined') {\n    // Make the polyfill helper globally available. This can be used as a signal\n    // to interested libraries that wish to coordinate with the polyfill for e.g.,\n    // applying the polyfill to a shadow root:\n    window.applyFocusVisiblePolyfill = applyFocusVisiblePolyfill;\n\n    // Notify interested libraries of the polyfill's presence, in case the\n    // polyfill was loaded lazily:\n    var event;\n\n    try {\n      event = new CustomEvent('focus-visible-polyfill-ready');\n    } catch (error) {\n      // IE11 does not support using CustomEvent as a constructor directly:\n      event = document.createEvent('CustomEvent');\n      event.initCustomEvent('focus-visible-polyfill-ready', false, false, {});\n    }\n\n    window.dispatchEvent(event);\n  }\n\n  if (typeof document !== 'undefined') {\n    // Apply the polyfill to the global document, so that no JavaScript\n    // coordination is required to use the polyfill in the top-level document:\n    applyFocusVisiblePolyfill(document);\n  }\n\n})));\n", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param  {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n  var str = '' + string;\n  var match = matchHtmlRegExp.exec(str);\n\n  if (!match) {\n    return str;\n  }\n\n  var escape;\n  var html = '';\n  var index = 0;\n  var lastIndex = 0;\n\n  for (index = match.index; index < str.length; index++) {\n    switch (str.charCodeAt(index)) {\n      case 34: // \"\n        escape = '&quot;';\n        break;\n      case 38: // &\n        escape = '&amp;';\n        break;\n      case 39: // '\n        escape = '&#39;';\n        break;\n      case 60: // <\n        escape = '&lt;';\n        break;\n      case 62: // >\n        escape = '&gt;';\n        break;\n      default:\n        continue;\n    }\n\n    if (lastIndex !== index) {\n      html += str.substring(lastIndex, index);\n    }\n\n    lastIndex = index + 1;\n    html += escape;\n  }\n\n  return lastIndex !== index\n    ? html + str.substring(lastIndex, index)\n    : html;\n}\n", "/*!\n * clipboard.js v2.0.11\n * https://clipboardjs.com/\n *\n * Licensed MIT \u00A9 Zeno Rocha\n */\n(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"ClipboardJS\"] = factory();\n\telse\n\t\troot[\"ClipboardJS\"] = factory();\n})(this, function() {\nreturn /******/ (function() { // webpackBootstrap\n/******/ \tvar __webpack_modules__ = ({\n\n/***/ 686:\n/***/ (function(__unused_webpack_module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n\n// EXPORTS\n__webpack_require__.d(__webpack_exports__, {\n  \"default\": function() { return /* binding */ clipboard; }\n});\n\n// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js\nvar tiny_emitter = __webpack_require__(279);\nvar tiny_emitter_default = /*#__PURE__*/__webpack_require__.n(tiny_emitter);\n// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js\nvar listen = __webpack_require__(370);\nvar listen_default = /*#__PURE__*/__webpack_require__.n(listen);\n// EXTERNAL MODULE: ./node_modules/select/src/select.js\nvar src_select = __webpack_require__(817);\nvar select_default = /*#__PURE__*/__webpack_require__.n(src_select);\n;// CONCATENATED MODULE: ./src/common/command.js\n/**\n * Executes a given operation type.\n * @param {String} type\n * @return {Boolean}\n */\nfunction command(type) {\n  try {\n    return document.execCommand(type);\n  } catch (err) {\n    return false;\n  }\n}\n;// CONCATENATED MODULE: ./src/actions/cut.js\n\n\n/**\n * Cut action wrapper.\n * @param {String|HTMLElement} target\n * @return {String}\n */\n\nvar ClipboardActionCut = function ClipboardActionCut(target) {\n  var selectedText = select_default()(target);\n  command('cut');\n  return selectedText;\n};\n\n/* harmony default export */ var actions_cut = (ClipboardActionCut);\n;// CONCATENATED MODULE: ./src/common/create-fake-element.js\n/**\n * Creates a fake textarea element with a value.\n * @param {String} value\n * @return {HTMLElement}\n */\nfunction createFakeElement(value) {\n  var isRTL = document.documentElement.getAttribute('dir') === 'rtl';\n  var fakeElement = document.createElement('textarea'); // Prevent zooming on iOS\n\n  fakeElement.style.fontSize = '12pt'; // Reset box model\n\n  fakeElement.style.border = '0';\n  fakeElement.style.padding = '0';\n  fakeElement.style.margin = '0'; // Move element out of screen horizontally\n\n  fakeElement.style.position = 'absolute';\n  fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px'; // Move element to the same position vertically\n\n  var yPosition = window.pageYOffset || document.documentElement.scrollTop;\n  fakeElement.style.top = \"\".concat(yPosition, \"px\");\n  fakeElement.setAttribute('readonly', '');\n  fakeElement.value = value;\n  return fakeElement;\n}\n;// CONCATENATED MODULE: ./src/actions/copy.js\n\n\n\n/**\n * Create fake copy action wrapper using a fake element.\n * @param {String} target\n * @param {Object} options\n * @return {String}\n */\n\nvar fakeCopyAction = function fakeCopyAction(value, options) {\n  var fakeElement = createFakeElement(value);\n  options.container.appendChild(fakeElement);\n  var selectedText = select_default()(fakeElement);\n  command('copy');\n  fakeElement.remove();\n  return selectedText;\n};\n/**\n * Copy action wrapper.\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @return {String}\n */\n\n\nvar ClipboardActionCopy = function ClipboardActionCopy(target) {\n  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n    container: document.body\n  };\n  var selectedText = '';\n\n  if (typeof target === 'string') {\n    selectedText = fakeCopyAction(target, options);\n  } else if (target instanceof HTMLInputElement && !['text', 'search', 'url', 'tel', 'password'].includes(target === null || target === void 0 ? void 0 : target.type)) {\n    // If input type doesn't support `setSelectionRange`. Simulate it. https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/setSelectionRange\n    selectedText = fakeCopyAction(target.value, options);\n  } else {\n    selectedText = select_default()(target);\n    command('copy');\n  }\n\n  return selectedText;\n};\n\n/* harmony default export */ var actions_copy = (ClipboardActionCopy);\n;// CONCATENATED MODULE: ./src/actions/default.js\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n\n\n/**\n * Inner function which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n * @param {Object} options\n */\n\nvar ClipboardActionDefault = function ClipboardActionDefault() {\n  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n  // Defines base properties passed from constructor.\n  var _options$action = options.action,\n      action = _options$action === void 0 ? 'copy' : _options$action,\n      container = options.container,\n      target = options.target,\n      text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'.\n\n  if (action !== 'copy' && action !== 'cut') {\n    throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n  } // Sets the `target` property using an element that will be have its content copied.\n\n\n  if (target !== undefined) {\n    if (target && _typeof(target) === 'object' && target.nodeType === 1) {\n      if (action === 'copy' && target.hasAttribute('disabled')) {\n        throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n      }\n\n      if (action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n        throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n      }\n    } else {\n      throw new Error('Invalid \"target\" value, use a valid Element');\n    }\n  } // Define selection strategy based on `text` property.\n\n\n  if (text) {\n    return actions_copy(text, {\n      container: container\n    });\n  } // Defines which selection strategy based on `target` property.\n\n\n  if (target) {\n    return action === 'cut' ? actions_cut(target) : actions_copy(target, {\n      container: container\n    });\n  }\n};\n\n/* harmony default export */ var actions_default = (ClipboardActionDefault);\n;// CONCATENATED MODULE: ./src/clipboard.js\nfunction clipboard_typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return clipboard_typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\n\n\n\n\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\nfunction getAttributeValue(suffix, element) {\n  var attribute = \"data-clipboard-\".concat(suffix);\n\n  if (!element.hasAttribute(attribute)) {\n    return;\n  }\n\n  return element.getAttribute(attribute);\n}\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\n\nvar Clipboard = /*#__PURE__*/function (_Emitter) {\n  _inherits(Clipboard, _Emitter);\n\n  var _super = _createSuper(Clipboard);\n\n  /**\n   * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n   * @param {Object} options\n   */\n  function Clipboard(trigger, options) {\n    var _this;\n\n    _classCallCheck(this, Clipboard);\n\n    _this = _super.call(this);\n\n    _this.resolveOptions(options);\n\n    _this.listenClick(trigger);\n\n    return _this;\n  }\n  /**\n   * Defines if attributes would be resolved using internal setter functions\n   * or custom functions that were passed in the constructor.\n   * @param {Object} options\n   */\n\n\n  _createClass(Clipboard, [{\n    key: \"resolveOptions\",\n    value: function resolveOptions() {\n      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n      this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n      this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n      this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n      this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n    }\n    /**\n     * Adds a click event listener to the passed trigger.\n     * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n     */\n\n  }, {\n    key: \"listenClick\",\n    value: function listenClick(trigger) {\n      var _this2 = this;\n\n      this.listener = listen_default()(trigger, 'click', function (e) {\n        return _this2.onClick(e);\n      });\n    }\n    /**\n     * Defines a new `ClipboardAction` on each click event.\n     * @param {Event} e\n     */\n\n  }, {\n    key: \"onClick\",\n    value: function onClick(e) {\n      var trigger = e.delegateTarget || e.currentTarget;\n      var action = this.action(trigger) || 'copy';\n      var text = actions_default({\n        action: action,\n        container: this.container,\n        target: this.target(trigger),\n        text: this.text(trigger)\n      }); // Fires an event based on the copy operation result.\n\n      this.emit(text ? 'success' : 'error', {\n        action: action,\n        text: text,\n        trigger: trigger,\n        clearSelection: function clearSelection() {\n          if (trigger) {\n            trigger.focus();\n          }\n\n          window.getSelection().removeAllRanges();\n        }\n      });\n    }\n    /**\n     * Default `action` lookup function.\n     * @param {Element} trigger\n     */\n\n  }, {\n    key: \"defaultAction\",\n    value: function defaultAction(trigger) {\n      return getAttributeValue('action', trigger);\n    }\n    /**\n     * Default `target` lookup function.\n     * @param {Element} trigger\n     */\n\n  }, {\n    key: \"defaultTarget\",\n    value: function defaultTarget(trigger) {\n      var selector = getAttributeValue('target', trigger);\n\n      if (selector) {\n        return document.querySelector(selector);\n      }\n    }\n    /**\n     * Allow fire programmatically a copy action\n     * @param {String|HTMLElement} target\n     * @param {Object} options\n     * @returns Text copied.\n     */\n\n  }, {\n    key: \"defaultText\",\n\n    /**\n     * Default `text` lookup function.\n     * @param {Element} trigger\n     */\n    value: function defaultText(trigger) {\n      return getAttributeValue('text', trigger);\n    }\n    /**\n     * Destroy lifecycle.\n     */\n\n  }, {\n    key: \"destroy\",\n    value: function destroy() {\n      this.listener.destroy();\n    }\n  }], [{\n    key: \"copy\",\n    value: function copy(target) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n        container: document.body\n      };\n      return actions_copy(target, options);\n    }\n    /**\n     * Allow fire programmatically a cut action\n     * @param {String|HTMLElement} target\n     * @returns Text cutted.\n     */\n\n  }, {\n    key: \"cut\",\n    value: function cut(target) {\n      return actions_cut(target);\n    }\n    /**\n     * Returns the support of the given action, or all actions if no action is\n     * given.\n     * @param {String} [action]\n     */\n\n  }, {\n    key: \"isSupported\",\n    value: function isSupported() {\n      var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n      var actions = typeof action === 'string' ? [action] : action;\n      var support = !!document.queryCommandSupported;\n      actions.forEach(function (action) {\n        support = support && !!document.queryCommandSupported(action);\n      });\n      return support;\n    }\n  }]);\n\n  return Clipboard;\n}((tiny_emitter_default()));\n\n/* harmony default export */ var clipboard = (Clipboard);\n\n/***/ }),\n\n/***/ 828:\n/***/ (function(module) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n    var proto = Element.prototype;\n\n    proto.matches = proto.matchesSelector ||\n                    proto.mozMatchesSelector ||\n                    proto.msMatchesSelector ||\n                    proto.oMatchesSelector ||\n                    proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n    while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n        if (typeof element.matches === 'function' &&\n            element.matches(selector)) {\n          return element;\n        }\n        element = element.parentNode;\n    }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n\n/***/ 438:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar closest = __webpack_require__(828);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n    var listenerFn = listener.apply(this, arguments);\n\n    element.addEventListener(type, listenerFn, useCapture);\n\n    return {\n        destroy: function() {\n            element.removeEventListener(type, listenerFn, useCapture);\n        }\n    }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n    // Handle the regular Element usage\n    if (typeof elements.addEventListener === 'function') {\n        return _delegate.apply(null, arguments);\n    }\n\n    // Handle Element-less usage, it defaults to global delegation\n    if (typeof type === 'function') {\n        // Use `document` as the first parameter, then apply arguments\n        // This is a short way to .unshift `arguments` without running into deoptimizations\n        return _delegate.bind(null, document).apply(null, arguments);\n    }\n\n    // Handle Selector-based usage\n    if (typeof elements === 'string') {\n        elements = document.querySelectorAll(elements);\n    }\n\n    // Handle Array-like based usage\n    return Array.prototype.map.call(elements, function (element) {\n        return _delegate(element, selector, type, callback, useCapture);\n    });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n    return function(e) {\n        e.delegateTarget = closest(e.target, selector);\n\n        if (e.delegateTarget) {\n            callback.call(element, e);\n        }\n    }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n\n/***/ 879:\n/***/ (function(__unused_webpack_module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n    return value !== undefined\n        && value instanceof HTMLElement\n        && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n    var type = Object.prototype.toString.call(value);\n\n    return value !== undefined\n        && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n        && ('length' in value)\n        && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n    return typeof value === 'string'\n        || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n    var type = Object.prototype.toString.call(value);\n\n    return type === '[object Function]';\n};\n\n\n/***/ }),\n\n/***/ 370:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar is = __webpack_require__(879);\nvar delegate = __webpack_require__(438);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n    if (!target && !type && !callback) {\n        throw new Error('Missing required arguments');\n    }\n\n    if (!is.string(type)) {\n        throw new TypeError('Second argument must be a String');\n    }\n\n    if (!is.fn(callback)) {\n        throw new TypeError('Third argument must be a Function');\n    }\n\n    if (is.node(target)) {\n        return listenNode(target, type, callback);\n    }\n    else if (is.nodeList(target)) {\n        return listenNodeList(target, type, callback);\n    }\n    else if (is.string(target)) {\n        return listenSelector(target, type, callback);\n    }\n    else {\n        throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n    }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n    node.addEventListener(type, callback);\n\n    return {\n        destroy: function() {\n            node.removeEventListener(type, callback);\n        }\n    }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n    Array.prototype.forEach.call(nodeList, function(node) {\n        node.addEventListener(type, callback);\n    });\n\n    return {\n        destroy: function() {\n            Array.prototype.forEach.call(nodeList, function(node) {\n                node.removeEventListener(type, callback);\n            });\n        }\n    }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n    return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n\n/***/ 817:\n/***/ (function(module) {\n\nfunction select(element) {\n    var selectedText;\n\n    if (element.nodeName === 'SELECT') {\n        element.focus();\n\n        selectedText = element.value;\n    }\n    else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n        var isReadOnly = element.hasAttribute('readonly');\n\n        if (!isReadOnly) {\n            element.setAttribute('readonly', '');\n        }\n\n        element.select();\n        element.setSelectionRange(0, element.value.length);\n\n        if (!isReadOnly) {\n            element.removeAttribute('readonly');\n        }\n\n        selectedText = element.value;\n    }\n    else {\n        if (element.hasAttribute('contenteditable')) {\n            element.focus();\n        }\n\n        var selection = window.getSelection();\n        var range = document.createRange();\n\n        range.selectNodeContents(element);\n        selection.removeAllRanges();\n        selection.addRange(range);\n\n        selectedText = selection.toString();\n    }\n\n    return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n\n/***/ 279:\n/***/ (function(module) {\n\nfunction E () {\n  // Keep this empty so it's easier to inherit from\n  // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n  on: function (name, callback, ctx) {\n    var e = this.e || (this.e = {});\n\n    (e[name] || (e[name] = [])).push({\n      fn: callback,\n      ctx: ctx\n    });\n\n    return this;\n  },\n\n  once: function (name, callback, ctx) {\n    var self = this;\n    function listener () {\n      self.off(name, listener);\n      callback.apply(ctx, arguments);\n    };\n\n    listener._ = callback\n    return this.on(name, listener, ctx);\n  },\n\n  emit: function (name) {\n    var data = [].slice.call(arguments, 1);\n    var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n    var i = 0;\n    var len = evtArr.length;\n\n    for (i; i < len; i++) {\n      evtArr[i].fn.apply(evtArr[i].ctx, data);\n    }\n\n    return this;\n  },\n\n  off: function (name, callback) {\n    var e = this.e || (this.e = {});\n    var evts = e[name];\n    var liveEvents = [];\n\n    if (evts && callback) {\n      for (var i = 0, len = evts.length; i < len; i++) {\n        if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n          liveEvents.push(evts[i]);\n      }\n    }\n\n    // Remove event from queue to prevent memory leak\n    // Suggested by https://github.com/lazd\n    // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n    (liveEvents.length)\n      ? e[name] = liveEvents\n      : delete e[name];\n\n    return this;\n  }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ })\n\n/******/ \t});\n/************************************************************************/\n/******/ \t// The module cache\n/******/ \tvar __webpack_module_cache__ = {};\n/******/ \t\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(__webpack_module_cache__[moduleId]) {\n/******/ \t\t\treturn __webpack_module_cache__[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = __webpack_module_cache__[moduleId] = {\n/******/ \t\t\t// no module.id needed\n/******/ \t\t\t// no module.loaded needed\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/ \t\n/******/ \t\t// Execute the module function\n/******/ \t\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n/******/ \t\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/ \t\n/************************************************************************/\n/******/ \t/* webpack/runtime/compat get default export */\n/******/ \t!function() {\n/******/ \t\t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t\t__webpack_require__.n = function(module) {\n/******/ \t\t\tvar getter = module && module.__esModule ?\n/******/ \t\t\t\tfunction() { return module['default']; } :\n/******/ \t\t\t\tfunction() { return module; };\n/******/ \t\t\t__webpack_require__.d(getter, { a: getter });\n/******/ \t\t\treturn getter;\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/define property getters */\n/******/ \t!function() {\n/******/ \t\t// define getter functions for harmony exports\n/******/ \t\t__webpack_require__.d = function(exports, definition) {\n/******/ \t\t\tfor(var key in definition) {\n/******/ \t\t\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n/******/ \t\t\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n/******/ \t\t\t\t}\n/******/ \t\t\t}\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/hasOwnProperty shorthand */\n/******/ \t!function() {\n/******/ \t\t__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }\n/******/ \t}();\n/******/ \t\n/************************************************************************/\n/******/ \t// module exports must be returned from runtime so entry inlining is disabled\n/******/ \t// startup\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(686);\n/******/ })()\n.default;\n});", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"focus-visible\"\n\nimport {\n  EMPTY,\n  NEVER,\n  Observable,\n  Subject,\n  defer,\n  delay,\n  filter,\n  map,\n  merge,\n  mergeWith,\n  shareReplay,\n  switchMap\n} from \"rxjs\"\n\nimport { configuration, feature } from \"./_\"\nimport {\n  at,\n  getActiveElement,\n  getOptionalElement,\n  requestJSON,\n  setLocation,\n  setToggle,\n  watchDocument,\n  watchKeyboard,\n  watchLocation,\n  watchLocationTarget,\n  watchMedia,\n  watchPrint,\n  watchScript,\n  watchViewport\n} from \"./browser\"\nimport {\n  getComponentElement,\n  getComponentElements,\n  mountAnnounce,\n  mountBackToTop,\n  mountConsent,\n  mountContent,\n  mountDialog,\n  mountHeader,\n  mountHeaderTitle,\n  mountPalette,\n  mountProgress,\n  mountSearch,\n  mountSearchHiglight,\n  mountSidebar,\n  mountSource,\n  mountTableOfContents,\n  mountTabs,\n  watchHeader,\n  watchMain\n} from \"./components\"\nimport {\n  SearchIndex,\n  setupClipboardJS,\n  setupInstantNavigation,\n  setupVersionSelector\n} from \"./integrations\"\nimport {\n  patchEllipsis,\n  patchIndeterminate,\n  patchScrollfix,\n  patchScrolllock\n} from \"./patches\"\nimport \"./polyfills\"\n\n/* ----------------------------------------------------------------------------\n * Functions - @todo refactor\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch search index\n *\n * @returns Search index observable\n */\nfunction fetchSearchIndex(): Observable<SearchIndex> {\n  if (location.protocol === \"file:\") {\n    return watchScript(\n      `${new URL(\"search/search_index.js\", config.base)}`\n    )\n      .pipe(\n        // @ts-ignore - @todo fix typings\n        map(() => __index),\n        shareReplay(1)\n      )\n  } else {\n    return requestJSON<SearchIndex>(\n      new URL(\"search/search_index.json\", config.base)\n    )\n  }\n}\n\n/* ----------------------------------------------------------------------------\n * Application\n * ------------------------------------------------------------------------- */\n\n/* Yay, JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Set up navigation observables and subjects */\nconst document$ = watchDocument()\nconst location$ = watchLocation()\nconst target$   = watchLocationTarget(location$)\nconst keyboard$ = watchKeyboard()\n\n/* Set up media observables */\nconst viewport$ = watchViewport()\nconst tablet$   = watchMedia(\"(min-width: 60em)\")\nconst screen$   = watchMedia(\"(min-width: 76.25em)\")\nconst print$    = watchPrint()\n\n/* Retrieve search index, if search is enabled */\nconst config = configuration()\nconst index$ = document.forms.namedItem(\"search\")\n  ? fetchSearchIndex()\n  : NEVER\n\n/* Set up Clipboard.js integration */\nconst alert$ = new Subject<string>()\nsetupClipboardJS({ alert$ })\n\n/* Set up progress indicator */\nconst progress$ = new Subject<number>()\n\n/* Set up instant navigation, if enabled */\nif (feature(\"navigation.instant\"))\n  setupInstantNavigation({ location$, viewport$, progress$ })\n    .subscribe(document$)\n\n/* Set up version selector */\nif (config.version?.provider === \"mike\")\n  setupVersionSelector({ document$ })\n\n/* Always close drawer and search on navigation */\nmerge(location$, target$)\n  .pipe(\n    delay(125)\n  )\n    .subscribe(() => {\n      setToggle(\"drawer\", false)\n      setToggle(\"search\", false)\n    })\n\n/* Set up global keyboard handlers */\nkeyboard$\n  .pipe(\n    filter(({ mode }) => mode === \"global\")\n  )\n    .subscribe(key => {\n      switch (key.type) {\n\n        /* Go to previous page */\n        case \"p\":\n        case \",\":\n          const prev = getOptionalElement<HTMLLinkElement>(\"link[rel=prev]\")\n          if (typeof prev !== \"undefined\")\n            setLocation(prev)\n          break\n\n        /* Go to next page */\n        case \"n\":\n        case \".\":\n          const next = getOptionalElement<HTMLLinkElement>(\"link[rel=next]\")\n          if (typeof next !== \"undefined\")\n            setLocation(next)\n          break\n\n        /* Expand navigation, see https://bit.ly/3ZjG5io */\n        case \"Enter\":\n          const active = getActiveElement()\n          if (active instanceof HTMLLabelElement)\n            active.click()\n      }\n    })\n\n/* Set up patches */\npatchEllipsis({ viewport$, document$ })\npatchIndeterminate({ document$, tablet$ })\npatchScrollfix({ document$ })\npatchScrolllock({ viewport$, tablet$ })\n\n/* Set up header and main area observable */\nconst header$ = watchHeader(getComponentElement(\"header\"), { viewport$ })\nconst main$ = document$\n  .pipe(\n    map(() => getComponentElement(\"main\")),\n    switchMap(el => watchMain(el, { viewport$, header$ })),\n    shareReplay(1)\n  )\n\n/* Set up control component observables */\nconst control$ = merge(\n\n  /* Consent */\n  ...getComponentElements(\"consent\")\n    .map(el => mountConsent(el, { target$ })),\n\n  /* Dialog */\n  ...getComponentElements(\"dialog\")\n    .map(el => mountDialog(el, { alert$ })),\n\n  /* Color palette */\n  ...getComponentElements(\"palette\")\n    .map(el => mountPalette(el)),\n\n  /* Progress bar */\n  ...getComponentElements(\"progress\")\n    .map(el => mountProgress(el, { progress$ })),\n\n  /* Search */\n  ...getComponentElements(\"search\")\n    .map(el => mountSearch(el, { index$, keyboard$ })),\n\n  /* Repository information */\n  ...getComponentElements(\"source\")\n    .map(el => mountSource(el))\n)\n\n/* Set up content component observables */\nconst content$ = defer(() => merge(\n\n  /* Announcement bar */\n  ...getComponentElements(\"announce\")\n    .map(el => mountAnnounce(el)),\n\n  /* Content */\n  ...getComponentElements(\"content\")\n    .map(el => mountContent(el, { viewport$, target$, print$ })),\n\n  /* Search highlighting */\n  ...getComponentElements(\"content\")\n    .map(el => feature(\"search.highlight\")\n      ? mountSearchHiglight(el, { index$, location$ })\n      : EMPTY\n    ),\n\n  /* Header */\n  ...getComponentElements(\"header\")\n    .map(el => mountHeader(el, { viewport$, header$, main$ })),\n\n  /* Header title */\n  ...getComponentElements(\"header-title\")\n    .map(el => mountHeaderTitle(el, { viewport$, header$ })),\n\n  /* Sidebar */\n  ...getComponentElements(\"sidebar\")\n    .map(el => el.getAttribute(\"data-md-type\") === \"navigation\"\n      ? at(screen$, () => mountSidebar(el, { viewport$, header$, main$ }))\n      : at(tablet$, () => mountSidebar(el, { viewport$, header$, main$ }))\n    ),\n\n  /* Navigation tabs */\n  ...getComponentElements(\"tabs\")\n    .map(el => mountTabs(el, { viewport$, header$ })),\n\n  /* Table of contents */\n  ...getComponentElements(\"toc\")\n    .map(el => mountTableOfContents(el, {\n      viewport$, header$, main$, target$\n    })),\n\n  /* Back-to-top button */\n  ...getComponentElements(\"top\")\n    .map(el => mountBackToTop(el, { viewport$, header$, main$, target$ }))\n))\n\n/* Set up component observables */\nconst component$ = document$\n  .pipe(\n    switchMap(() => content$),\n    mergeWith(control$),\n    shareReplay(1)\n  )\n\n/* Subscribe to all components */\ncomponent$.subscribe()\n\n/* ----------------------------------------------------------------------------\n * Exports\n * ------------------------------------------------------------------------- */\n\nwindow.document$  = document$          /* Document observable */\nwindow.location$  = location$          /* Location subject */\nwindow.target$    = target$            /* Location target observable */\nwindow.keyboard$  = keyboard$          /* Keyboard observable */\nwindow.viewport$  = viewport$          /* Viewport observable */\nwindow.tablet$    = tablet$            /* Media tablet observable */\nwindow.screen$    = screen$            /* Media screen observable */\nwindow.print$     = print$             /* Media print observable */\nwindow.alert$     = alert$             /* Alert subject */\nwindow.progress$  = progress$          /* Progress indicator subject */\nwindow.component$ = component$         /* Component observable */\n", "/******************************************************************************\nCopyright (c) Microsoft Corporation.\n\nPermission to use, copy, modify, and/or distribute this software for any\npurpose with or without fee is hereby granted.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\nPERFORMANCE OF THIS SOFTWARE.\n***************************************************************************** */\n/* global Reflect, Promise, SuppressedError, Symbol, Iterator */\n\nvar extendStatics = function(d, b) {\n  extendStatics = Object.setPrototypeOf ||\n      ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n      function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n  return extendStatics(d, b);\n};\n\nexport function __extends(d, b) {\n  if (typeof b !== \"function\" && b !== null)\n      throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n  extendStatics(d, b);\n  function __() { this.constructor = d; }\n  d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n}\n\nexport var __assign = function() {\n  __assign = Object.assign || function __assign(t) {\n      for (var s, i = 1, n = arguments.length; i < n; i++) {\n          s = arguments[i];\n          for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\n      }\n      return t;\n  }\n  return __assign.apply(this, arguments);\n}\n\nexport function __rest(s, e) {\n  var t = {};\n  for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\n      t[p] = s[p];\n  if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\n      for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\n          if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\n              t[p[i]] = s[p[i]];\n      }\n  return t;\n}\n\nexport function __decorate(decorators, target, key, desc) {\n  var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n  if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n  else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n  return c > 3 && r && Object.defineProperty(target, key, r), r;\n}\n\nexport function __param(paramIndex, decorator) {\n  return function (target, key) { decorator(target, key, paramIndex); }\n}\n\nexport function __esDecorate(ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {\n  function accept(f) { if (f !== void 0 && typeof f !== \"function\") throw new TypeError(\"Function expected\"); return f; }\n  var kind = contextIn.kind, key = kind === \"getter\" ? \"get\" : kind === \"setter\" ? \"set\" : \"value\";\n  var target = !descriptorIn && ctor ? contextIn[\"static\"] ? ctor : ctor.prototype : null;\n  var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});\n  var _, done = false;\n  for (var i = decorators.length - 1; i >= 0; i--) {\n      var context = {};\n      for (var p in contextIn) context[p] = p === \"access\" ? {} : contextIn[p];\n      for (var p in contextIn.access) context.access[p] = contextIn.access[p];\n      context.addInitializer = function (f) { if (done) throw new TypeError(\"Cannot add initializers after decoration has completed\"); extraInitializers.push(accept(f || null)); };\n      var result = (0, decorators[i])(kind === \"accessor\" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);\n      if (kind === \"accessor\") {\n          if (result === void 0) continue;\n          if (result === null || typeof result !== \"object\") throw new TypeError(\"Object expected\");\n          if (_ = accept(result.get)) descriptor.get = _;\n          if (_ = accept(result.set)) descriptor.set = _;\n          if (_ = accept(result.init)) initializers.unshift(_);\n      }\n      else if (_ = accept(result)) {\n          if (kind === \"field\") initializers.unshift(_);\n          else descriptor[key] = _;\n      }\n  }\n  if (target) Object.defineProperty(target, contextIn.name, descriptor);\n  done = true;\n};\n\nexport function __runInitializers(thisArg, initializers, value) {\n  var useValue = arguments.length > 2;\n  for (var i = 0; i < initializers.length; i++) {\n      value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);\n  }\n  return useValue ? value : void 0;\n};\n\nexport function __propKey(x) {\n  return typeof x === \"symbol\" ? x : \"\".concat(x);\n};\n\nexport function __setFunctionName(f, name, prefix) {\n  if (typeof name === \"symbol\") name = name.description ? \"[\".concat(name.description, \"]\") : \"\";\n  return Object.defineProperty(f, \"name\", { configurable: true, value: prefix ? \"\".concat(prefix, \" \", name) : name });\n};\n\nexport function __metadata(metadataKey, metadataValue) {\n  if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\n}\n\nexport function __awaiter(thisArg, _arguments, P, generator) {\n  function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n  return new (P || (P = Promise))(function (resolve, reject) {\n      function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n      function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n      function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n      step((generator = generator.apply(thisArg, _arguments || [])).next());\n  });\n}\n\nexport function __generator(thisArg, body) {\n  var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === \"function\" ? Iterator : Object).prototype);\n  return g.next = verb(0), g[\"throw\"] = verb(1), g[\"return\"] = verb(2), typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\n  function verb(n) { return function (v) { return step([n, v]); }; }\n  function step(op) {\n      if (f) throw new TypeError(\"Generator is already executing.\");\n      while (g && (g = 0, op[0] && (_ = 0)), _) try {\n          if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\n          if (y = 0, t) op = [op[0] & 2, t.value];\n          switch (op[0]) {\n              case 0: case 1: t = op; break;\n              case 4: _.label++; return { value: op[1], done: false };\n              case 5: _.label++; y = op[1]; op = [0]; continue;\n              case 7: op = _.ops.pop(); _.trys.pop(); continue;\n              default:\n                  if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\n                  if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\n                  if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\n                  if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\n                  if (t[2]) _.ops.pop();\n                  _.trys.pop(); continue;\n          }\n          op = body.call(thisArg, _);\n      } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\n      if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\n  }\n}\n\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\n  if (k2 === undefined) k2 = k;\n  var desc = Object.getOwnPropertyDescriptor(m, k);\n  if (!desc || (\"get\" in desc ? !m.__esModule : desc.writable || desc.configurable)) {\n      desc = { enumerable: true, get: function() { return m[k]; } };\n  }\n  Object.defineProperty(o, k2, desc);\n}) : (function(o, m, k, k2) {\n  if (k2 === undefined) k2 = k;\n  o[k2] = m[k];\n});\n\nexport function __exportStar(m, o) {\n  for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\n}\n\nexport function __values(o) {\n  var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\n  if (m) return m.call(o);\n  if (o && typeof o.length === \"number\") return {\n      next: function () {\n          if (o && i >= o.length) o = void 0;\n          return { value: o && o[i++], done: !o };\n      }\n  };\n  throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\n}\n\nexport function __read(o, n) {\n  var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n  if (!m) return o;\n  var i = m.call(o), r, ar = [], e;\n  try {\n      while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n  }\n  catch (error) { e = { error: error }; }\n  finally {\n      try {\n          if (r && !r.done && (m = i[\"return\"])) m.call(i);\n      }\n      finally { if (e) throw e.error; }\n  }\n  return ar;\n}\n\n/** @deprecated */\nexport function __spread() {\n  for (var ar = [], i = 0; i < arguments.length; i++)\n      ar = ar.concat(__read(arguments[i]));\n  return ar;\n}\n\n/** @deprecated */\nexport function __spreadArrays() {\n  for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\n  for (var r = Array(s), k = 0, i = 0; i < il; i++)\n      for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\n          r[k] = a[j];\n  return r;\n}\n\nexport function __spreadArray(to, from, pack) {\n  if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {\n      if (ar || !(i in from)) {\n          if (!ar) ar = Array.prototype.slice.call(from, 0, i);\n          ar[i] = from[i];\n      }\n  }\n  return to.concat(ar || Array.prototype.slice.call(from));\n}\n\nexport function __await(v) {\n  return this instanceof __await ? (this.v = v, this) : new __await(v);\n}\n\nexport function __asyncGenerator(thisArg, _arguments, generator) {\n  if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\n  var g = generator.apply(thisArg, _arguments || []), i, q = [];\n  return i = Object.create((typeof AsyncIterator === \"function\" ? AsyncIterator : Object).prototype), verb(\"next\"), verb(\"throw\"), verb(\"return\", awaitReturn), i[Symbol.asyncIterator] = function () { return this; }, i;\n  function awaitReturn(f) { return function (v) { return Promise.resolve(v).then(f, reject); }; }\n  function verb(n, f) { if (g[n]) { i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; if (f) i[n] = f(i[n]); } }\n  function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\n  function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\n  function fulfill(value) { resume(\"next\", value); }\n  function reject(value) { resume(\"throw\", value); }\n  function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\n}\n\nexport function __asyncDelegator(o) {\n  var i, p;\n  return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\n  function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: false } : f ? f(v) : v; } : f; }\n}\n\nexport function __asyncValues(o) {\n  if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\n  var m = o[Symbol.asyncIterator], i;\n  return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\n  function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\n  function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\n}\n\nexport function __makeTemplateObject(cooked, raw) {\n  if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\n  return cooked;\n};\n\nvar __setModuleDefault = Object.create ? (function(o, v) {\n  Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n  o[\"default\"] = v;\n};\n\nexport function __importStar(mod) {\n  if (mod && mod.__esModule) return mod;\n  var result = {};\n  if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n  __setModuleDefault(result, mod);\n  return result;\n}\n\nexport function __importDefault(mod) {\n  return (mod && mod.__esModule) ? mod : { default: mod };\n}\n\nexport function __classPrivateFieldGet(receiver, state, kind, f) {\n  if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a getter\");\n  if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot read private member from an object whose class did not declare it\");\n  return kind === \"m\" ? f : kind === \"a\" ? f.call(receiver) : f ? f.value : state.get(receiver);\n}\n\nexport function __classPrivateFieldSet(receiver, state, value, kind, f) {\n  if (kind === \"m\") throw new TypeError(\"Private method is not writable\");\n  if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a setter\");\n  if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot write private member to an object whose class did not declare it\");\n  return (kind === \"a\" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;\n}\n\nexport function __classPrivateFieldIn(state, receiver) {\n  if (receiver === null || (typeof receiver !== \"object\" && typeof receiver !== \"function\")) throw new TypeError(\"Cannot use 'in' operator on non-object\");\n  return typeof state === \"function\" ? receiver === state : state.has(receiver);\n}\n\nexport function __addDisposableResource(env, value, async) {\n  if (value !== null && value !== void 0) {\n    if (typeof value !== \"object\" && typeof value !== \"function\") throw new TypeError(\"Object expected.\");\n    var dispose, inner;\n    if (async) {\n      if (!Symbol.asyncDispose) throw new TypeError(\"Symbol.asyncDispose is not defined.\");\n      dispose = value[Symbol.asyncDispose];\n    }\n    if (dispose === void 0) {\n      if (!Symbol.dispose) throw new TypeError(\"Symbol.dispose is not defined.\");\n      dispose = value[Symbol.dispose];\n      if (async) inner = dispose;\n    }\n    if (typeof dispose !== \"function\") throw new TypeError(\"Object not disposable.\");\n    if (inner) dispose = function() { try { inner.call(this); } catch (e) { return Promise.reject(e); } };\n    env.stack.push({ value: value, dispose: dispose, async: async });\n  }\n  else if (async) {\n    env.stack.push({ async: true });\n  }\n  return value;\n}\n\nvar _SuppressedError = typeof SuppressedError === \"function\" ? SuppressedError : function (error, suppressed, message) {\n  var e = new Error(message);\n  return e.name = \"SuppressedError\", e.error = error, e.suppressed = suppressed, e;\n};\n\nexport function __disposeResources(env) {\n  function fail(e) {\n    env.error = env.hasError ? new _SuppressedError(e, env.error, \"An error was suppressed during disposal.\") : e;\n    env.hasError = true;\n  }\n  var r, s = 0;\n  function next() {\n    while (r = env.stack.pop()) {\n      try {\n        if (!r.async && s === 1) return s = 0, env.stack.push(r), Promise.resolve().then(next);\n        if (r.dispose) {\n          var result = r.dispose.call(r.value);\n          if (r.async) return s |= 2, Promise.resolve(result).then(next, function(e) { fail(e); return next(); });\n        }\n        else s |= 1;\n      }\n      catch (e) {\n        fail(e);\n      }\n    }\n    if (s === 1) return env.hasError ? Promise.reject(env.error) : Promise.resolve();\n    if (env.hasError) throw env.error;\n  }\n  return next();\n}\n\nexport default {\n  __extends,\n  __assign,\n  __rest,\n  __decorate,\n  __param,\n  __metadata,\n  __awaiter,\n  __generator,\n  __createBinding,\n  __exportStar,\n  __values,\n  __read,\n  __spread,\n  __spreadArrays,\n  __spreadArray,\n  __await,\n  __asyncGenerator,\n  __asyncDelegator,\n  __asyncValues,\n  __makeTemplateObject,\n  __importStar,\n  __importDefault,\n  __classPrivateFieldGet,\n  __classPrivateFieldSet,\n  __classPrivateFieldIn,\n  __addDisposableResource,\n  __disposeResources,\n};\n", "/**\n * Returns true if the object is a function.\n * @param value The value to check\n */\nexport function isFunction(value: any): value is (...args: any[]) => any {\n  return typeof value === 'function';\n}\n", "/**\n * Used to create Error subclasses until the community moves away from ES5.\n *\n * This is because compiling from TypeScript down to ES5 has issues with subclassing Errors\n * as well as other built-in types: https://github.com/Microsoft/TypeScript/issues/12123\n *\n * @param createImpl A factory function to create the actual constructor implementation. The returned\n * function should be a named function that calls `_super` internally.\n */\nexport function createErrorClass<T>(createImpl: (_super: any) => any): T {\n  const _super = (instance: any) => {\n    Error.call(instance);\n    instance.stack = new Error().stack;\n  };\n\n  const ctorFunc = createImpl(_super);\n  ctorFunc.prototype = Object.create(Error.prototype);\n  ctorFunc.prototype.constructor = ctorFunc;\n  return ctorFunc;\n}\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface UnsubscriptionError extends Error {\n  readonly errors: any[];\n}\n\nexport interface UnsubscriptionErrorCtor {\n  /**\n   * @deprecated Internal implementation detail. Do not construct error instances.\n   * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n   */\n  new (errors: any[]): UnsubscriptionError;\n}\n\n/**\n * An error thrown when one or more errors have occurred during the\n * `unsubscribe` of a {@link Subscription}.\n */\nexport const UnsubscriptionError: UnsubscriptionErrorCtor = createErrorClass(\n  (_super) =>\n    function UnsubscriptionErrorImpl(this: any, errors: (Error | string)[]) {\n      _super(this);\n      this.message = errors\n        ? `${errors.length} errors occurred during unsubscription:\n${errors.map((err, i) => `${i + 1}) ${err.toString()}`).join('\\n  ')}`\n        : '';\n      this.name = 'UnsubscriptionError';\n      this.errors = errors;\n    }\n);\n", "/**\n * Removes an item from an array, mutating it.\n * @param arr The array to remove the item from\n * @param item The item to remove\n */\nexport function arrRemove<T>(arr: T[] | undefined | null, item: T) {\n  if (arr) {\n    const index = arr.indexOf(item);\n    0 <= index && arr.splice(index, 1);\n  }\n}\n", "import { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nimport { SubscriptionLike, TeardownLogic, Unsubscribable } from './types';\nimport { arrRemove } from './util/arrRemove';\n\n/**\n * Represents a disposable resource, such as the execution of an Observable. A\n * Subscription has one important method, `unsubscribe`, that takes no argument\n * and just disposes the resource held by the subscription.\n *\n * Additionally, subscriptions may be grouped together through the `add()`\n * method, which will attach a child Subscription to the current Subscription.\n * When a Subscription is unsubscribed, all its children (and its grandchildren)\n * will be unsubscribed as well.\n */\nexport class Subscription implements SubscriptionLike {\n  public static EMPTY = (() => {\n    const empty = new Subscription();\n    empty.closed = true;\n    return empty;\n  })();\n\n  /**\n   * A flag to indicate whether this Subscription has already been unsubscribed.\n   */\n  public closed = false;\n\n  private _parentage: Subscription[] | Subscription | null = null;\n\n  /**\n   * The list of registered finalizers to execute upon unsubscription. Adding and removing from this\n   * list occurs in the {@link #add} and {@link #remove} methods.\n   */\n  private _finalizers: Exclude<TeardownLogic, void>[] | null = null;\n\n  /**\n   * @param initialTeardown A function executed first as part of the finalization\n   * process that is kicked off when {@link #unsubscribe} is called.\n   */\n  constructor(private initialTeardown?: () => void) {}\n\n  /**\n   * Disposes the resources held by the subscription. May, for instance, cancel\n   * an ongoing Observable execution or cancel any other type of work that\n   * started when the Subscription was created.\n   */\n  unsubscribe(): void {\n    let errors: any[] | undefined;\n\n    if (!this.closed) {\n      this.closed = true;\n\n      // Remove this from it's parents.\n      const { _parentage } = this;\n      if (_parentage) {\n        this._parentage = null;\n        if (Array.isArray(_parentage)) {\n          for (const parent of _parentage) {\n            parent.remove(this);\n          }\n        } else {\n          _parentage.remove(this);\n        }\n      }\n\n      const { initialTeardown: initialFinalizer } = this;\n      if (isFunction(initialFinalizer)) {\n        try {\n          initialFinalizer();\n        } catch (e) {\n          errors = e instanceof UnsubscriptionError ? e.errors : [e];\n        }\n      }\n\n      const { _finalizers } = this;\n      if (_finalizers) {\n        this._finalizers = null;\n        for (const finalizer of _finalizers) {\n          try {\n            execFinalizer(finalizer);\n          } catch (err) {\n            errors = errors ?? [];\n            if (err instanceof UnsubscriptionError) {\n              errors = [...errors, ...err.errors];\n            } else {\n              errors.push(err);\n            }\n          }\n        }\n      }\n\n      if (errors) {\n        throw new UnsubscriptionError(errors);\n      }\n    }\n  }\n\n  /**\n   * Adds a finalizer to this subscription, so that finalization will be unsubscribed/called\n   * when this subscription is unsubscribed. If this subscription is already {@link #closed},\n   * because it has already been unsubscribed, then whatever finalizer is passed to it\n   * will automatically be executed (unless the finalizer itself is also a closed subscription).\n   *\n   * Closed Subscriptions cannot be added as finalizers to any subscription. Adding a closed\n   * subscription to a any subscription will result in no operation. (A noop).\n   *\n   * Adding a subscription to itself, or adding `null` or `undefined` will not perform any\n   * operation at all. (A noop).\n   *\n   * `Subscription` instances that are added to this instance will automatically remove themselves\n   * if they are unsubscribed. Functions and {@link Unsubscribable} objects that you wish to remove\n   * will need to be removed manually with {@link #remove}\n   *\n   * @param teardown The finalization logic to add to this subscription.\n   */\n  add(teardown: TeardownLogic): void {\n    // Only add the finalizer if it's not undefined\n    // and don't add a subscription to itself.\n    if (teardown && teardown !== this) {\n      if (this.closed) {\n        // If this subscription is already closed,\n        // execute whatever finalizer is handed to it automatically.\n        execFinalizer(teardown);\n      } else {\n        if (teardown instanceof Subscription) {\n          // We don't add closed subscriptions, and we don't add the same subscription\n          // twice. Subscription unsubscribe is idempotent.\n          if (teardown.closed || teardown._hasParent(this)) {\n            return;\n          }\n          teardown._addParent(this);\n        }\n        (this._finalizers = this._finalizers ?? []).push(teardown);\n      }\n    }\n  }\n\n  /**\n   * Checks to see if a this subscription already has a particular parent.\n   * This will signal that this subscription has already been added to the parent in question.\n   * @param parent the parent to check for\n   */\n  private _hasParent(parent: Subscription) {\n    const { _parentage } = this;\n    return _parentage === parent || (Array.isArray(_parentage) && _parentage.includes(parent));\n  }\n\n  /**\n   * Adds a parent to this subscription so it can be removed from the parent if it\n   * unsubscribes on it's own.\n   *\n   * NOTE: THIS ASSUMES THAT {@link _hasParent} HAS ALREADY BEEN CHECKED.\n   * @param parent The parent subscription to add\n   */\n  private _addParent(parent: Subscription) {\n    const { _parentage } = this;\n    this._parentage = Array.isArray(_parentage) ? (_parentage.push(parent), _parentage) : _parentage ? [_parentage, parent] : parent;\n  }\n\n  /**\n   * Called on a child when it is removed via {@link #remove}.\n   * @param parent The parent to remove\n   */\n  private _removeParent(parent: Subscription) {\n    const { _parentage } = this;\n    if (_parentage === parent) {\n      this._parentage = null;\n    } else if (Array.isArray(_parentage)) {\n      arrRemove(_parentage, parent);\n    }\n  }\n\n  /**\n   * Removes a finalizer from this subscription that was previously added with the {@link #add} method.\n   *\n   * Note that `Subscription` instances, when unsubscribed, will automatically remove themselves\n   * from every other `Subscription` they have been added to. This means that using the `remove` method\n   * is not a common thing and should be used thoughtfully.\n   *\n   * If you add the same finalizer instance of a function or an unsubscribable object to a `Subscription` instance\n   * more than once, you will need to call `remove` the same number of times to remove all instances.\n   *\n   * All finalizer instances are removed to free up memory upon unsubscription.\n   *\n   * @param teardown The finalizer to remove from this subscription\n   */\n  remove(teardown: Exclude<TeardownLogic, void>): void {\n    const { _finalizers } = this;\n    _finalizers && arrRemove(_finalizers, teardown);\n\n    if (teardown instanceof Subscription) {\n      teardown._removeParent(this);\n    }\n  }\n}\n\nexport const EMPTY_SUBSCRIPTION = Subscription.EMPTY;\n\nexport function isSubscription(value: any): value is Subscription {\n  return (\n    value instanceof Subscription ||\n    (value && 'closed' in value && isFunction(value.remove) && isFunction(value.add) && isFunction(value.unsubscribe))\n  );\n}\n\nfunction execFinalizer(finalizer: Unsubscribable | (() => void)) {\n  if (isFunction(finalizer)) {\n    finalizer();\n  } else {\n    finalizer.unsubscribe();\n  }\n}\n", "import { Subscriber } from './Subscriber';\nimport { ObservableNotification } from './types';\n\n/**\n * The {@link GlobalConfig} object for RxJS. It is used to configure things\n * like how to react on unhandled errors.\n */\nexport const config: GlobalConfig = {\n  onUnhandledError: null,\n  onStoppedNotification: null,\n  Promise: undefined,\n  useDeprecatedSynchronousErrorHandling: false,\n  useDeprecatedNextContext: false,\n};\n\n/**\n * The global configuration object for RxJS, used to configure things\n * like how to react on unhandled errors. Accessible via {@link config}\n * object.\n */\nexport interface GlobalConfig {\n  /**\n   * A registration point for unhandled errors from RxJS. These are errors that\n   * cannot were not handled by consuming code in the usual subscription path. For\n   * example, if you have this configured, and you subscribe to an observable without\n   * providing an error handler, errors from that subscription will end up here. This\n   * will _always_ be called asynchronously on another job in the runtime. This is because\n   * we do not want errors thrown in this user-configured handler to interfere with the\n   * behavior of the library.\n   */\n  onUnhandledError: ((err: any) => void) | null;\n\n  /**\n   * A registration point for notifications that cannot be sent to subscribers because they\n   * have completed, errored or have been explicitly unsubscribed. By default, next, complete\n   * and error notifications sent to stopped subscribers are noops. However, sometimes callers\n   * might want a different behavior. For example, with sources that attempt to report errors\n   * to stopped subscribers, a caller can configure RxJS to throw an unhandled error instead.\n   * This will _always_ be called asynchronously on another job in the runtime. This is because\n   * we do not want errors thrown in this user-configured handler to interfere with the\n   * behavior of the library.\n   */\n  onStoppedNotification: ((notification: ObservableNotification<any>, subscriber: Subscriber<any>) => void) | null;\n\n  /**\n   * The promise constructor used by default for {@link Observable#toPromise toPromise} and {@link Observable#forEach forEach}\n   * methods.\n   *\n   * @deprecated As of version 8, RxJS will no longer support this sort of injection of a\n   * Promise constructor. If you need a Promise implementation other than native promises,\n   * please polyfill/patch Promise as you see appropriate. Will be removed in v8.\n   */\n  Promise?: PromiseConstructorLike;\n\n  /**\n   * If true, turns on synchronous error rethrowing, which is a deprecated behavior\n   * in v6 and higher. This behavior enables bad patterns like wrapping a subscribe\n   * call in a try/catch block. It also enables producer interference, a nasty bug\n   * where a multicast can be broken for all observers by a downstream consumer with\n   * an unhandled error. DO NOT USE THIS FLAG UNLESS IT'S NEEDED TO BUY TIME\n   * FOR MIGRATION REASONS.\n   *\n   * @deprecated As of version 8, RxJS will no longer support synchronous throwing\n   * of unhandled errors. All errors will be thrown on a separate call stack to prevent bad\n   * behaviors described above. Will be removed in v8.\n   */\n  useDeprecatedSynchronousErrorHandling: boolean;\n\n  /**\n   * If true, enables an as-of-yet undocumented feature from v5: The ability to access\n   * `unsubscribe()` via `this` context in `next` functions created in observers passed\n   * to `subscribe`.\n   *\n   * This is being removed because the performance was severely problematic, and it could also cause\n   * issues when types other than POJOs are passed to subscribe as subscribers, as they will likely have\n   * their `this` context overwritten.\n   *\n   * @deprecated As of version 8, RxJS will no longer support altering the\n   * context of next functions provided as part of an observer to Subscribe. Instead,\n   * you will have access to a subscription or a signal or token that will allow you to do things like\n   * unsubscribe and test closed status. Will be removed in v8.\n   */\n  useDeprecatedNextContext: boolean;\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetTimeoutFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearTimeoutFunction = (handle: TimerHandle) => void;\n\ninterface TimeoutProvider {\n  setTimeout: SetTimeoutFunction;\n  clearTimeout: ClearTimeoutFunction;\n  delegate:\n    | {\n        setTimeout: SetTimeoutFunction;\n        clearTimeout: ClearTimeoutFunction;\n      }\n    | undefined;\n}\n\nexport const timeoutProvider: TimeoutProvider = {\n  // When accessing the delegate, use the variable rather than `this` so that\n  // the functions can be called without being bound to the provider.\n  setTimeout(handler: () => void, timeout?: number, ...args) {\n    const { delegate } = timeoutProvider;\n    if (delegate?.setTimeout) {\n      return delegate.setTimeout(handler, timeout, ...args);\n    }\n    return setTimeout(handler, timeout, ...args);\n  },\n  clearTimeout(handle) {\n    const { delegate } = timeoutProvider;\n    return (delegate?.clearTimeout || clearTimeout)(handle as any);\n  },\n  delegate: undefined,\n};\n", "import { config } from '../config';\nimport { timeoutProvider } from '../scheduler/timeoutProvider';\n\n/**\n * Handles an error on another job either with the user-configured {@link onUnhandledError},\n * or by throwing it on that new job so it can be picked up by `window.onerror`, `process.on('error')`, etc.\n *\n * This should be called whenever there is an error that is out-of-band with the subscription\n * or when an error hits a terminal boundary of the subscription and no error handler was provided.\n *\n * @param err the error to report\n */\nexport function reportUnhandledError(err: any) {\n  timeoutProvider.setTimeout(() => {\n    const { onUnhandledError } = config;\n    if (onUnhandledError) {\n      // Execute the user-configured error handler.\n      onUnhandledError(err);\n    } else {\n      // Throw so it is picked up by the runtime's uncaught error mechanism.\n      throw err;\n    }\n  });\n}\n", "/* tslint:disable:no-empty */\nexport function noop() { }\n", "import { CompleteNotification, NextNotification, ErrorNotification } from './types';\n\n/**\n * A completion object optimized for memory use and created to be the\n * same \"shape\" as other notifications in v8.\n * @internal\n */\nexport const COMPLETE_NOTIFICATION = (() => createNotification('C', undefined, undefined) as CompleteNotification)();\n\n/**\n * Internal use only. Creates an optimized error notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function errorNotification(error: any): ErrorNotification {\n  return createNotification('E', undefined, error) as any;\n}\n\n/**\n * Internal use only. Creates an optimized next notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function nextNotification<T>(value: T) {\n  return createNotification('N', value, undefined) as NextNotification<T>;\n}\n\n/**\n * Ensures that all notifications created internally have the same \"shape\" in v8.\n *\n * TODO: This is only exported to support a crazy legacy test in `groupBy`.\n * @internal\n */\nexport function createNotification(kind: 'N' | 'E' | 'C', value: any, error: any) {\n  return {\n    kind,\n    value,\n    error,\n  };\n}\n", "import { config } from '../config';\n\nlet context: { errorThrown: boolean; error: any } | null = null;\n\n/**\n * Handles dealing with errors for super-gross mode. Creates a context, in which\n * any synchronously thrown errors will be passed to {@link captureError}. Which\n * will record the error such that it will be rethrown after the call back is complete.\n * TODO: Remove in v8\n * @param cb An immediately executed function.\n */\nexport function errorContext(cb: () => void) {\n  if (config.useDeprecatedSynchronousErrorHandling) {\n    const isRoot = !context;\n    if (isRoot) {\n      context = { errorThrown: false, error: null };\n    }\n    cb();\n    if (isRoot) {\n      const { errorThrown, error } = context!;\n      context = null;\n      if (errorThrown) {\n        throw error;\n      }\n    }\n  } else {\n    // This is the general non-deprecated path for everyone that\n    // isn't crazy enough to use super-gross mode (useDeprecatedSynchronousErrorHandling)\n    cb();\n  }\n}\n\n/**\n * Captures errors only in super-gross mode.\n * @param err the error to capture\n */\nexport function captureError(err: any) {\n  if (config.useDeprecatedSynchronousErrorHandling && context) {\n    context.errorThrown = true;\n    context.error = err;\n  }\n}\n", "import { isFunction } from './util/isFunction';\nimport { Observer, ObservableNotification } from './types';\nimport { isSubscription, Subscription } from './Subscription';\nimport { config } from './config';\nimport { reportUnhandledError } from './util/reportUnhandledError';\nimport { noop } from './util/noop';\nimport { nextNotification, errorNotification, COMPLETE_NOTIFICATION } from './NotificationFactories';\nimport { timeoutProvider } from './scheduler/timeoutProvider';\nimport { captureError } from './util/errorContext';\n\n/**\n * Implements the {@link Observer} interface and extends the\n * {@link Subscription} class. While the {@link Observer} is the public API for\n * consuming the values of an {@link Observable}, all Observers get converted to\n * a Subscriber, in order to provide Subscription-like capabilities such as\n * `unsubscribe`. Subscriber is a common type in RxJS, and crucial for\n * implementing operators, but it is rarely used as a public API.\n */\nexport class Subscriber<T> extends Subscription implements Observer<T> {\n  /**\n   * A static factory for a Subscriber, given a (potentially partial) definition\n   * of an Observer.\n   * @param next The `next` callback of an Observer.\n   * @param error The `error` callback of an\n   * Observer.\n   * @param complete The `complete` callback of an\n   * Observer.\n   * @return A Subscriber wrapping the (partially defined)\n   * Observer represented by the given arguments.\n   * @deprecated Do not use. Will be removed in v8. There is no replacement for this\n   * method, and there is no reason to be creating instances of `Subscriber` directly.\n   * If you have a specific use case, please file an issue.\n   */\n  static create<T>(next?: (x?: T) => void, error?: (e?: any) => void, complete?: () => void): Subscriber<T> {\n    return new SafeSubscriber(next, error, complete);\n  }\n\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  protected isStopped: boolean = false;\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  protected destination: Subscriber<any> | Observer<any>; // this `any` is the escape hatch to erase extra type param (e.g. R)\n\n  /**\n   * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n   * There is no reason to directly create an instance of Subscriber. This type is exported for typings reasons.\n   */\n  constructor(destination?: Subscriber<any> | Observer<any>) {\n    super();\n    if (destination) {\n      this.destination = destination;\n      // Automatically chain subscriptions together here.\n      // if destination is a Subscription, then it is a Subscriber.\n      if (isSubscription(destination)) {\n        destination.add(this);\n      }\n    } else {\n      this.destination = EMPTY_OBSERVER;\n    }\n  }\n\n  /**\n   * The {@link Observer} callback to receive notifications of type `next` from\n   * the Observable, with a value. The Observable may call this method 0 or more\n   * times.\n   * @param value The `next` value.\n   */\n  next(value: T): void {\n    if (this.isStopped) {\n      handleStoppedNotification(nextNotification(value), this);\n    } else {\n      this._next(value!);\n    }\n  }\n\n  /**\n   * The {@link Observer} callback to receive notifications of type `error` from\n   * the Observable, with an attached `Error`. Notifies the Observer that\n   * the Observable has experienced an error condition.\n   * @param err The `error` exception.\n   */\n  error(err?: any): void {\n    if (this.isStopped) {\n      handleStoppedNotification(errorNotification(err), this);\n    } else {\n      this.isStopped = true;\n      this._error(err);\n    }\n  }\n\n  /**\n   * The {@link Observer} callback to receive a valueless notification of type\n   * `complete` from the Observable. Notifies the Observer that the Observable\n   * has finished sending push-based notifications.\n   */\n  complete(): void {\n    if (this.isStopped) {\n      handleStoppedNotification(COMPLETE_NOTIFICATION, this);\n    } else {\n      this.isStopped = true;\n      this._complete();\n    }\n  }\n\n  unsubscribe(): void {\n    if (!this.closed) {\n      this.isStopped = true;\n      super.unsubscribe();\n      this.destination = null!;\n    }\n  }\n\n  protected _next(value: T): void {\n    this.destination.next(value);\n  }\n\n  protected _error(err: any): void {\n    try {\n      this.destination.error(err);\n    } finally {\n      this.unsubscribe();\n    }\n  }\n\n  protected _complete(): void {\n    try {\n      this.destination.complete();\n    } finally {\n      this.unsubscribe();\n    }\n  }\n}\n\n/**\n * This bind is captured here because we want to be able to have\n * compatibility with monoid libraries that tend to use a method named\n * `bind`. In particular, a library called Monio requires this.\n */\nconst _bind = Function.prototype.bind;\n\nfunction bind<Fn extends (...args: any[]) => any>(fn: Fn, thisArg: any): Fn {\n  return _bind.call(fn, thisArg);\n}\n\n/**\n * Internal optimization only, DO NOT EXPOSE.\n * @internal\n */\nclass ConsumerObserver<T> implements Observer<T> {\n  constructor(private partialObserver: Partial<Observer<T>>) {}\n\n  next(value: T): void {\n    const { partialObserver } = this;\n    if (partialObserver.next) {\n      try {\n        partialObserver.next(value);\n      } catch (error) {\n        handleUnhandledError(error);\n      }\n    }\n  }\n\n  error(err: any): void {\n    const { partialObserver } = this;\n    if (partialObserver.error) {\n      try {\n        partialObserver.error(err);\n      } catch (error) {\n        handleUnhandledError(error);\n      }\n    } else {\n      handleUnhandledError(err);\n    }\n  }\n\n  complete(): void {\n    const { partialObserver } = this;\n    if (partialObserver.complete) {\n      try {\n        partialObserver.complete();\n      } catch (error) {\n        handleUnhandledError(error);\n      }\n    }\n  }\n}\n\nexport class SafeSubscriber<T> extends Subscriber<T> {\n  constructor(\n    observerOrNext?: Partial<Observer<T>> | ((value: T) => void) | null,\n    error?: ((e?: any) => void) | null,\n    complete?: (() => void) | null\n  ) {\n    super();\n\n    let partialObserver: Partial<Observer<T>>;\n    if (isFunction(observerOrNext) || !observerOrNext) {\n      // The first argument is a function, not an observer. The next\n      // two arguments *could* be observers, or they could be empty.\n      partialObserver = {\n        next: (observerOrNext ?? undefined) as ((value: T) => void) | undefined,\n        error: error ?? undefined,\n        complete: complete ?? undefined,\n      };\n    } else {\n      // The first argument is a partial observer.\n      let context: any;\n      if (this && config.useDeprecatedNextContext) {\n        // This is a deprecated path that made `this.unsubscribe()` available in\n        // next handler functions passed to subscribe. This only exists behind a flag\n        // now, as it is *very* slow.\n        context = Object.create(observerOrNext);\n        context.unsubscribe = () => this.unsubscribe();\n        partialObserver = {\n          next: observerOrNext.next && bind(observerOrNext.next, context),\n          error: observerOrNext.error && bind(observerOrNext.error, context),\n          complete: observerOrNext.complete && bind(observerOrNext.complete, context),\n        };\n      } else {\n        // The \"normal\" path. Just use the partial observer directly.\n        partialObserver = observerOrNext;\n      }\n    }\n\n    // Wrap the partial observer to ensure it's a full observer, and\n    // make sure proper error handling is accounted for.\n    this.destination = new ConsumerObserver(partialObserver);\n  }\n}\n\nfunction handleUnhandledError(error: any) {\n  if (config.useDeprecatedSynchronousErrorHandling) {\n    captureError(error);\n  } else {\n    // Ideal path, we report this as an unhandled error,\n    // which is thrown on a new call stack.\n    reportUnhandledError(error);\n  }\n}\n\n/**\n * An error handler used when no error handler was supplied\n * to the SafeSubscriber -- meaning no error handler was supplied\n * do the `subscribe` call on our observable.\n * @param err The error to handle\n */\nfunction defaultErrorHandler(err: any) {\n  throw err;\n}\n\n/**\n * A handler for notifications that cannot be sent to a stopped subscriber.\n * @param notification The notification being sent.\n * @param subscriber The stopped subscriber.\n */\nfunction handleStoppedNotification(notification: ObservableNotification<any>, subscriber: Subscriber<any>) {\n  const { onStoppedNotification } = config;\n  onStoppedNotification && timeoutProvider.setTimeout(() => onStoppedNotification(notification, subscriber));\n}\n\n/**\n * The observer used as a stub for subscriptions where the user did not\n * pass any arguments to `subscribe`. Comes with the default error handling\n * behavior.\n */\nexport const EMPTY_OBSERVER: Readonly<Observer<any>> & { closed: true } = {\n  closed: true,\n  next: noop,\n  error: defaultErrorHandler,\n  complete: noop,\n};\n", "/**\n * Symbol.observable or a string \"@@observable\". Used for interop\n *\n * @deprecated We will no longer be exporting this symbol in upcoming versions of RxJS.\n * Instead polyfill and use Symbol.observable directly *or* use https://www.npmjs.com/package/symbol-observable\n */\nexport const observable: string | symbol = (() => (typeof Symbol === 'function' && Symbol.observable) || '@@observable')();\n", "/**\n * This function takes one parameter and just returns it. Simply put,\n * this is like `<T>(x: T): T => x`.\n *\n * ## Examples\n *\n * This is useful in some cases when using things like `mergeMap`\n *\n * ```ts\n * import { interval, take, map, range, mergeMap, identity } from 'rxjs';\n *\n * const source$ = interval(1000).pipe(take(5));\n *\n * const result$ = source$.pipe(\n *   map(i => range(i)),\n *   mergeMap(identity) // same as mergeMap(x => x)\n * );\n *\n * result$.subscribe({\n *   next: console.log\n * });\n * ```\n *\n * Or when you want to selectively apply an operator\n *\n * ```ts\n * import { interval, take, identity } from 'rxjs';\n *\n * const shouldLimit = () => Math.random() < 0.5;\n *\n * const source$ = interval(1000);\n *\n * const result$ = source$.pipe(shouldLimit() ? take(5) : identity);\n *\n * result$.subscribe({\n *   next: console.log\n * });\n * ```\n *\n * @param x Any value that is returned by this function\n * @returns The value passed as the first parameter to this function\n */\nexport function identity<T>(x: T): T {\n  return x;\n}\n", "import { identity } from './identity';\nimport { UnaryFunction } from '../types';\n\nexport function pipe(): typeof identity;\nexport function pipe<T, A>(fn1: UnaryFunction<T, A>): UnaryFunction<T, A>;\nexport function pipe<T, A, B>(fn1: UnaryFunction<T, A>, fn2: UnaryFunction<A, B>): UnaryFunction<T, B>;\nexport function pipe<T, A, B, C>(fn1: UnaryFunction<T, A>, fn2: UnaryFunction<A, B>, fn3: UnaryFunction<B, C>): UnaryFunction<T, C>;\nexport function pipe<T, A, B, C, D>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>\n): UnaryFunction<T, D>;\nexport function pipe<T, A, B, C, D, E>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>,\n  fn5: UnaryFunction<D, E>\n): UnaryFunction<T, E>;\nexport function pipe<T, A, B, C, D, E, F>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>,\n  fn5: UnaryFunction<D, E>,\n  fn6: UnaryFunction<E, F>\n): UnaryFunction<T, F>;\nexport function pipe<T, A, B, C, D, E, F, G>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>,\n  fn5: UnaryFunction<D, E>,\n  fn6: UnaryFunction<E, F>,\n  fn7: UnaryFunction<F, G>\n): UnaryFunction<T, G>;\nexport function pipe<T, A, B, C, D, E, F, G, H>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>,\n  fn5: UnaryFunction<D, E>,\n  fn6: UnaryFunction<E, F>,\n  fn7: UnaryFunction<F, G>,\n  fn8: UnaryFunction<G, H>\n): UnaryFunction<T, H>;\nexport function pipe<T, A, B, C, D, E, F, G, H, I>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>,\n  fn5: UnaryFunction<D, E>,\n  fn6: UnaryFunction<E, F>,\n  fn7: UnaryFunction<F, G>,\n  fn8: UnaryFunction<G, H>,\n  fn9: UnaryFunction<H, I>\n): UnaryFunction<T, I>;\nexport function pipe<T, A, B, C, D, E, F, G, H, I>(\n  fn1: UnaryFunction<T, A>,\n  fn2: UnaryFunction<A, B>,\n  fn3: UnaryFunction<B, C>,\n  fn4: UnaryFunction<C, D>,\n  fn5: UnaryFunction<D, E>,\n  fn6: UnaryFunction<E, F>,\n  fn7: UnaryFunction<F, G>,\n  fn8: UnaryFunction<G, H>,\n  fn9: UnaryFunction<H, I>,\n  ...fns: UnaryFunction<any, any>[]\n): UnaryFunction<T, unknown>;\n\n/**\n * pipe() can be called on one or more functions, each of which can take one argument (\"UnaryFunction\")\n * and uses it to return a value.\n * It returns a function that takes one argument, passes it to the first UnaryFunction, and then\n * passes the result to the next one, passes that result to the next one, and so on.  \n */\nexport function pipe(...fns: Array<UnaryFunction<any, any>>): UnaryFunction<any, any> {\n  return pipeFromArray(fns);\n}\n\n/** @internal */\nexport function pipeFromArray<T, R>(fns: Array<UnaryFunction<T, R>>): UnaryFunction<T, R> {\n  if (fns.length === 0) {\n    return identity as UnaryFunction<any, any>;\n  }\n\n  if (fns.length === 1) {\n    return fns[0];\n  }\n\n  return function piped(input: T): R {\n    return fns.reduce((prev: any, fn: UnaryFunction<T, R>) => fn(prev), input as any);\n  };\n}\n", "import { Operator } from './Operator';\nimport { SafeSubscriber, Subscriber } from './Subscriber';\nimport { isSubscription, Subscription } from './Subscription';\nimport { TeardownLogic, OperatorFunction, Subscribable, Observer } from './types';\nimport { observable as Symbol_observable } from './symbol/observable';\nimport { pipeFromArray } from './util/pipe';\nimport { config } from './config';\nimport { isFunction } from './util/isFunction';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A representation of any set of values over any amount of time. This is the most basic building block\n * of RxJS.\n */\nexport class Observable<T> implements Subscribable<T> {\n  /**\n   * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n   */\n  source: Observable<any> | undefined;\n\n  /**\n   * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n   */\n  operator: Operator<any, T> | undefined;\n\n  /**\n   * @param subscribe The function that is called when the Observable is\n   * initially subscribed to. This function is given a Subscriber, to which new values\n   * can be `next`ed, or an `error` method can be called to raise an error, or\n   * `complete` can be called to notify of a successful completion.\n   */\n  constructor(subscribe?: (this: Observable<T>, subscriber: Subscriber<T>) => TeardownLogic) {\n    if (subscribe) {\n      this._subscribe = subscribe;\n    }\n  }\n\n  // HACK: Since TypeScript inherits static properties too, we have to\n  // fight against TypeScript here so Subject can have a different static create signature\n  /**\n   * Creates a new Observable by calling the Observable constructor\n   * @param subscribe the subscriber function to be passed to the Observable constructor\n   * @return A new observable.\n   * @deprecated Use `new Observable()` instead. Will be removed in v8.\n   */\n  static create: (...args: any[]) => any = <T>(subscribe?: (subscriber: Subscriber<T>) => TeardownLogic) => {\n    return new Observable<T>(subscribe);\n  };\n\n  /**\n   * Creates a new Observable, with this Observable instance as the source, and the passed\n   * operator defined as the new observable's operator.\n   * @param operator the operator defining the operation to take on the observable\n   * @return A new observable with the Operator applied.\n   * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n   * If you have implemented an operator using `lift`, it is recommended that you create an\n   * operator by simply returning `new Observable()` directly. See \"Creating new operators from\n   * scratch\" section here: https://rxjs.dev/guide/operators\n   */\n  lift<R>(operator?: Operator<T, R>): Observable<R> {\n    const observable = new Observable<R>();\n    observable.source = this;\n    observable.operator = operator;\n    return observable;\n  }\n\n  subscribe(observerOrNext?: Partial<Observer<T>> | ((value: T) => void)): Subscription;\n  /** @deprecated Instead of passing separate callback arguments, use an observer argument. Signatures taking separate callback arguments will be removed in v8. Details: https://rxjs.dev/deprecations/subscribe-arguments */\n  subscribe(next?: ((value: T) => void) | null, error?: ((error: any) => void) | null, complete?: (() => void) | null): Subscription;\n  /**\n   * Invokes an execution of an Observable and registers Observer handlers for notifications it will emit.\n   *\n   * <span class=\"informal\">Use it when you have all these Observables, but still nothing is happening.</span>\n   *\n   * `subscribe` is not a regular operator, but a method that calls Observable's internal `subscribe` function. It\n   * might be for example a function that you passed to Observable's constructor, but most of the time it is\n   * a library implementation, which defines what will be emitted by an Observable, and when it be will emitted. This means\n   * that calling `subscribe` is actually the moment when Observable starts its work, not when it is created, as it is often\n   * the thought.\n   *\n   * Apart from starting the execution of an Observable, this method allows you to listen for values\n   * that an Observable emits, as well as for when it completes or errors. You can achieve this in two\n   * of the following ways.\n   *\n   * The first way is creating an object that implements {@link Observer} interface. It should have methods\n   * defined by that interface, but note that it should be just a regular JavaScript object, which you can create\n   * yourself in any way you want (ES6 class, classic function constructor, object literal etc.). In particular, do\n   * not attempt to use any RxJS implementation details to create Observers - you don't need them. Remember also\n   * that your object does not have to implement all methods. If you find yourself creating a method that doesn't\n   * do anything, you can simply omit it. Note however, if the `error` method is not provided and an error happens,\n   * it will be thrown asynchronously. Errors thrown asynchronously cannot be caught using `try`/`catch`. Instead,\n   * use the {@link onUnhandledError} configuration option or use a runtime handler (like `window.onerror` or\n   * `process.on('error)`) to be notified of unhandled errors. Because of this, it's recommended that you provide\n   * an `error` method to avoid missing thrown errors.\n   *\n   * The second way is to give up on Observer object altogether and simply provide callback functions in place of its methods.\n   * This means you can provide three functions as arguments to `subscribe`, where the first function is equivalent\n   * of a `next` method, the second of an `error` method and the third of a `complete` method. Just as in case of an Observer,\n   * if you do not need to listen for something, you can omit a function by passing `undefined` or `null`,\n   * since `subscribe` recognizes these functions by where they were placed in function call. When it comes\n   * to the `error` function, as with an Observer, if not provided, errors emitted by an Observable will be thrown asynchronously.\n   *\n   * You can, however, subscribe with no parameters at all. This may be the case where you're not interested in terminal events\n   * and you also handled emissions internally by using operators (e.g. using `tap`).\n   *\n   * Whichever style of calling `subscribe` you use, in both cases it returns a Subscription object.\n   * This object allows you to call `unsubscribe` on it, which in turn will stop the work that an Observable does and will clean\n   * up all resources that an Observable used. Note that cancelling a subscription will not call `complete` callback\n   * provided to `subscribe` function, which is reserved for a regular completion signal that comes from an Observable.\n   *\n   * Remember that callbacks provided to `subscribe` are not guaranteed to be called asynchronously.\n   * It is an Observable itself that decides when these functions will be called. For example {@link of}\n   * by default emits all its values synchronously. Always check documentation for how given Observable\n   * will behave when subscribed and if its default behavior can be modified with a `scheduler`.\n   *\n   * #### Examples\n   *\n   * Subscribe with an {@link guide/observer Observer}\n   *\n   * ```ts\n   * import { of } from 'rxjs';\n   *\n   * const sumObserver = {\n   *   sum: 0,\n   *   next(value) {\n   *     console.log('Adding: ' + value);\n   *     this.sum = this.sum + value;\n   *   },\n   *   error() {\n   *     // We actually could just remove this method,\n   *     // since we do not really care about errors right now.\n   *   },\n   *   complete() {\n   *     console.log('Sum equals: ' + this.sum);\n   *   }\n   * };\n   *\n   * of(1, 2, 3) // Synchronously emits 1, 2, 3 and then completes.\n   *   .subscribe(sumObserver);\n   *\n   * // Logs:\n   * // 'Adding: 1'\n   * // 'Adding: 2'\n   * // 'Adding: 3'\n   * // 'Sum equals: 6'\n   * ```\n   *\n   * Subscribe with functions ({@link deprecations/subscribe-arguments deprecated})\n   *\n   * ```ts\n   * import { of } from 'rxjs'\n   *\n   * let sum = 0;\n   *\n   * of(1, 2, 3).subscribe(\n   *   value => {\n   *     console.log('Adding: ' + value);\n   *     sum = sum + value;\n   *   },\n   *   undefined,\n   *   () => console.log('Sum equals: ' + sum)\n   * );\n   *\n   * // Logs:\n   * // 'Adding: 1'\n   * // 'Adding: 2'\n   * // 'Adding: 3'\n   * // 'Sum equals: 6'\n   * ```\n   *\n   * Cancel a subscription\n   *\n   * ```ts\n   * import { interval } from 'rxjs';\n   *\n   * const subscription = interval(1000).subscribe({\n   *   next(num) {\n   *     console.log(num)\n   *   },\n   *   complete() {\n   *     // Will not be called, even when cancelling subscription.\n   *     console.log('completed!');\n   *   }\n   * });\n   *\n   * setTimeout(() => {\n   *   subscription.unsubscribe();\n   *   console.log('unsubscribed!');\n   * }, 2500);\n   *\n   * // Logs:\n   * // 0 after 1s\n   * // 1 after 2s\n   * // 'unsubscribed!' after 2.5s\n   * ```\n   *\n   * @param observerOrNext Either an {@link Observer} with some or all callback methods,\n   * or the `next` handler that is called for each value emitted from the subscribed Observable.\n   * @param error A handler for a terminal event resulting from an error. If no error handler is provided,\n   * the error will be thrown asynchronously as unhandled.\n   * @param complete A handler for a terminal event resulting from successful completion.\n   * @return A subscription reference to the registered handlers.\n   */\n  subscribe(\n    observerOrNext?: Partial<Observer<T>> | ((value: T) => void) | null,\n    error?: ((error: any) => void) | null,\n    complete?: (() => void) | null\n  ): Subscription {\n    const subscriber = isSubscriber(observerOrNext) ? observerOrNext : new SafeSubscriber(observerOrNext, error, complete);\n\n    errorContext(() => {\n      const { operator, source } = this;\n      subscriber.add(\n        operator\n          ? // We're dealing with a subscription in the\n            // operator chain to one of our lifted operators.\n            operator.call(subscriber, source)\n          : source\n          ? // If `source` has a value, but `operator` does not, something that\n            // had intimate knowledge of our API, like our `Subject`, must have\n            // set it. We're going to just call `_subscribe` directly.\n            this._subscribe(subscriber)\n          : // In all other cases, we're likely wrapping a user-provided initializer\n            // function, so we need to catch errors and handle them appropriately.\n            this._trySubscribe(subscriber)\n      );\n    });\n\n    return subscriber;\n  }\n\n  /** @internal */\n  protected _trySubscribe(sink: Subscriber<T>): TeardownLogic {\n    try {\n      return this._subscribe(sink);\n    } catch (err) {\n      // We don't need to return anything in this case,\n      // because it's just going to try to `add()` to a subscription\n      // above.\n      sink.error(err);\n    }\n  }\n\n  /**\n   * Used as a NON-CANCELLABLE means of subscribing to an observable, for use with\n   * APIs that expect promises, like `async/await`. You cannot unsubscribe from this.\n   *\n   * **WARNING**: Only use this with observables you *know* will complete. If the source\n   * observable does not complete, you will end up with a promise that is hung up, and\n   * potentially all of the state of an async function hanging out in memory. To avoid\n   * this situation, look into adding something like {@link timeout}, {@link take},\n   * {@link takeWhile}, or {@link takeUntil} amongst others.\n   *\n   * #### Example\n   *\n   * ```ts\n   * import { interval, take } from 'rxjs';\n   *\n   * const source$ = interval(1000).pipe(take(4));\n   *\n   * async function getTotal() {\n   *   let total = 0;\n   *\n   *   await source$.forEach(value => {\n   *     total += value;\n   *     console.log('observable -> ' + value);\n   *   });\n   *\n   *   return total;\n   * }\n   *\n   * getTotal().then(\n   *   total => console.log('Total: ' + total)\n   * );\n   *\n   * // Expected:\n   * // 'observable -> 0'\n   * // 'observable -> 1'\n   * // 'observable -> 2'\n   * // 'observable -> 3'\n   * // 'Total: 6'\n   * ```\n   *\n   * @param next A handler for each value emitted by the observable.\n   * @return A promise that either resolves on observable completion or\n   * rejects with the handled error.\n   */\n  forEach(next: (value: T) => void): Promise<void>;\n\n  /**\n   * @param next a handler for each value emitted by the observable\n   * @param promiseCtor a constructor function used to instantiate the Promise\n   * @return a promise that either resolves on observable completion or\n   *  rejects with the handled error\n   * @deprecated Passing a Promise constructor will no longer be available\n   * in upcoming versions of RxJS. This is because it adds weight to the library, for very\n   * little benefit. If you need this functionality, it is recommended that you either\n   * polyfill Promise, or you create an adapter to convert the returned native promise\n   * to whatever promise implementation you wanted. Will be removed in v8.\n   */\n  forEach(next: (value: T) => void, promiseCtor: PromiseConstructorLike): Promise<void>;\n\n  forEach(next: (value: T) => void, promiseCtor?: PromiseConstructorLike): Promise<void> {\n    promiseCtor = getPromiseCtor(promiseCtor);\n\n    return new promiseCtor<void>((resolve, reject) => {\n      const subscriber = new SafeSubscriber<T>({\n        next: (value) => {\n          try {\n            next(value);\n          } catch (err) {\n            reject(err);\n            subscriber.unsubscribe();\n          }\n        },\n        error: reject,\n        complete: resolve,\n      });\n      this.subscribe(subscriber);\n    }) as Promise<void>;\n  }\n\n  /** @internal */\n  protected _subscribe(subscriber: Subscriber<any>): TeardownLogic {\n    return this.source?.subscribe(subscriber);\n  }\n\n  /**\n   * An interop point defined by the es7-observable spec https://github.com/zenparsing/es-observable\n   * @return This instance of the observable.\n   */\n  [Symbol_observable]() {\n    return this;\n  }\n\n  /* tslint:disable:max-line-length */\n  pipe(): Observable<T>;\n  pipe<A>(op1: OperatorFunction<T, A>): Observable<A>;\n  pipe<A, B>(op1: OperatorFunction<T, A>, op2: OperatorFunction<A, B>): Observable<B>;\n  pipe<A, B, C>(op1: OperatorFunction<T, A>, op2: OperatorFunction<A, B>, op3: OperatorFunction<B, C>): Observable<C>;\n  pipe<A, B, C, D>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>\n  ): Observable<D>;\n  pipe<A, B, C, D, E>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>,\n    op5: OperatorFunction<D, E>\n  ): Observable<E>;\n  pipe<A, B, C, D, E, F>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>,\n    op5: OperatorFunction<D, E>,\n    op6: OperatorFunction<E, F>\n  ): Observable<F>;\n  pipe<A, B, C, D, E, F, G>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>,\n    op5: OperatorFunction<D, E>,\n    op6: OperatorFunction<E, F>,\n    op7: OperatorFunction<F, G>\n  ): Observable<G>;\n  pipe<A, B, C, D, E, F, G, H>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>,\n    op5: OperatorFunction<D, E>,\n    op6: OperatorFunction<E, F>,\n    op7: OperatorFunction<F, G>,\n    op8: OperatorFunction<G, H>\n  ): Observable<H>;\n  pipe<A, B, C, D, E, F, G, H, I>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>,\n    op5: OperatorFunction<D, E>,\n    op6: OperatorFunction<E, F>,\n    op7: OperatorFunction<F, G>,\n    op8: OperatorFunction<G, H>,\n    op9: OperatorFunction<H, I>\n  ): Observable<I>;\n  pipe<A, B, C, D, E, F, G, H, I>(\n    op1: OperatorFunction<T, A>,\n    op2: OperatorFunction<A, B>,\n    op3: OperatorFunction<B, C>,\n    op4: OperatorFunction<C, D>,\n    op5: OperatorFunction<D, E>,\n    op6: OperatorFunction<E, F>,\n    op7: OperatorFunction<F, G>,\n    op8: OperatorFunction<G, H>,\n    op9: OperatorFunction<H, I>,\n    ...operations: OperatorFunction<any, any>[]\n  ): Observable<unknown>;\n  /* tslint:enable:max-line-length */\n\n  /**\n   * Used to stitch together functional operators into a chain.\n   *\n   * ## Example\n   *\n   * ```ts\n   * import { interval, filter, map, scan } from 'rxjs';\n   *\n   * interval(1000)\n   *   .pipe(\n   *     filter(x => x % 2 === 0),\n   *     map(x => x + x),\n   *     scan((acc, x) => acc + x)\n   *   )\n   *   .subscribe(x => console.log(x));\n   * ```\n   *\n   * @return The Observable result of all the operators having been called\n   * in the order they were passed in.\n   */\n  pipe(...operations: OperatorFunction<any, any>[]): Observable<any> {\n    return pipeFromArray(operations)(this);\n  }\n\n  /* tslint:disable:max-line-length */\n  /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n  toPromise(): Promise<T | undefined>;\n  /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n  toPromise(PromiseCtor: typeof Promise): Promise<T | undefined>;\n  /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n  toPromise(PromiseCtor: PromiseConstructorLike): Promise<T | undefined>;\n  /* tslint:enable:max-line-length */\n\n  /**\n   * Subscribe to this Observable and get a Promise resolving on\n   * `complete` with the last emission (if any).\n   *\n   * **WARNING**: Only use this with observables you *know* will complete. If the source\n   * observable does not complete, you will end up with a promise that is hung up, and\n   * potentially all of the state of an async function hanging out in memory. To avoid\n   * this situation, look into adding something like {@link timeout}, {@link take},\n   * {@link takeWhile}, or {@link takeUntil} amongst others.\n   *\n   * @param [promiseCtor] a constructor function used to instantiate\n   * the Promise\n   * @return A Promise that resolves with the last value emit, or\n   * rejects on an error. If there were no emissions, Promise\n   * resolves with undefined.\n   * @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise\n   */\n  toPromise(promiseCtor?: PromiseConstructorLike): Promise<T | undefined> {\n    promiseCtor = getPromiseCtor(promiseCtor);\n\n    return new promiseCtor((resolve, reject) => {\n      let value: T | undefined;\n      this.subscribe(\n        (x: T) => (value = x),\n        (err: any) => reject(err),\n        () => resolve(value)\n      );\n    }) as Promise<T | undefined>;\n  }\n}\n\n/**\n * Decides between a passed promise constructor from consuming code,\n * A default configured promise constructor, and the native promise\n * constructor and returns it. If nothing can be found, it will throw\n * an error.\n * @param promiseCtor The optional promise constructor to passed by consuming code\n */\nfunction getPromiseCtor(promiseCtor: PromiseConstructorLike | undefined) {\n  return promiseCtor ?? config.Promise ?? Promise;\n}\n\nfunction isObserver<T>(value: any): value is Observer<T> {\n  return value && isFunction(value.next) && isFunction(value.error) && isFunction(value.complete);\n}\n\nfunction isSubscriber<T>(value: any): value is Subscriber<T> {\n  return (value && value instanceof Subscriber) || (isObserver(value) && isSubscription(value));\n}\n", "import { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { OperatorFunction } from '../types';\nimport { isFunction } from './isFunction';\n\n/**\n * Used to determine if an object is an Observable with a lift function.\n */\nexport function hasLift(source: any): source is { lift: InstanceType<typeof Observable>['lift'] } {\n  return isFunction(source?.lift);\n}\n\n/**\n * Creates an `OperatorFunction`. Used to define operators throughout the library in a concise way.\n * @param init The logic to connect the liftedSource to the subscriber at the moment of subscription.\n */\nexport function operate<T, R>(\n  init: (liftedSource: Observable<T>, subscriber: Subscriber<R>) => (() => void) | void\n): OperatorFunction<T, R> {\n  return (source: Observable<T>) => {\n    if (hasLift(source)) {\n      return source.lift(function (this: Subscriber<R>, liftedSource: Observable<T>) {\n        try {\n          return init(liftedSource, this);\n        } catch (err) {\n          this.error(err);\n        }\n      });\n    }\n    throw new TypeError('Unable to lift unknown Observable type');\n  };\n}\n", "import { Subscriber } from '../Subscriber';\n\n/**\n * Creates an instance of an `OperatorSubscriber`.\n * @param destination The downstream subscriber.\n * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n * and send to the `destination` error handler.\n * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n * this handler are sent to the `destination` error handler.\n * @param onFinalize Additional teardown logic here. This will only be called on teardown if the\n * subscriber itself is not already closed. This is called after all other teardown logic is executed.\n */\nexport function createOperatorSubscriber<T>(\n  destination: Subscriber<any>,\n  onNext?: (value: T) => void,\n  onComplete?: () => void,\n  onError?: (err: any) => void,\n  onFinalize?: () => void\n): Subscriber<T> {\n  return new OperatorSubscriber(destination, onNext, onComplete, onError, onFinalize);\n}\n\n/**\n * A generic helper for allowing operators to be created with a Subscriber and\n * use closures to capture necessary state from the operator function itself.\n */\nexport class OperatorSubscriber<T> extends Subscriber<T> {\n  /**\n   * Creates an instance of an `OperatorSubscriber`.\n   * @param destination The downstream subscriber.\n   * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n   * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n   * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n   * and send to the `destination` error handler.\n   * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n   * this handler are sent to the `destination` error handler.\n   * @param onFinalize Additional finalization logic here. This will only be called on finalization if the\n   * subscriber itself is not already closed. This is called after all other finalization logic is executed.\n   * @param shouldUnsubscribe An optional check to see if an unsubscribe call should truly unsubscribe.\n   * NOTE: This currently **ONLY** exists to support the strange behavior of {@link groupBy}, where unsubscription\n   * to the resulting observable does not actually disconnect from the source if there are active subscriptions\n   * to any grouped observable. (DO NOT EXPOSE OR USE EXTERNALLY!!!)\n   */\n  constructor(\n    destination: Subscriber<any>,\n    onNext?: (value: T) => void,\n    onComplete?: () => void,\n    onError?: (err: any) => void,\n    private onFinalize?: () => void,\n    private shouldUnsubscribe?: () => boolean\n  ) {\n    // It's important - for performance reasons - that all of this class's\n    // members are initialized and that they are always initialized in the same\n    // order. This will ensure that all OperatorSubscriber instances have the\n    // same hidden class in V8. This, in turn, will help keep the number of\n    // hidden classes involved in property accesses within the base class as\n    // low as possible. If the number of hidden classes involved exceeds four,\n    // the property accesses will become megamorphic and performance penalties\n    // will be incurred - i.e. inline caches won't be used.\n    //\n    // The reasons for ensuring all instances have the same hidden class are\n    // further discussed in this blog post from Benedikt Meurer:\n    // https://benediktmeurer.de/2018/03/23/impact-of-polymorphism-on-component-based-frameworks-like-react/\n    super(destination);\n    this._next = onNext\n      ? function (this: OperatorSubscriber<T>, value: T) {\n          try {\n            onNext(value);\n          } catch (err) {\n            destination.error(err);\n          }\n        }\n      : super._next;\n    this._error = onError\n      ? function (this: OperatorSubscriber<T>, err: any) {\n          try {\n            onError(err);\n          } catch (err) {\n            // Send any errors that occur down stream.\n            destination.error(err);\n          } finally {\n            // Ensure finalization.\n            this.unsubscribe();\n          }\n        }\n      : super._error;\n    this._complete = onComplete\n      ? function (this: OperatorSubscriber<T>) {\n          try {\n            onComplete();\n          } catch (err) {\n            // Send any errors that occur down stream.\n            destination.error(err);\n          } finally {\n            // Ensure finalization.\n            this.unsubscribe();\n          }\n        }\n      : super._complete;\n  }\n\n  unsubscribe() {\n    if (!this.shouldUnsubscribe || this.shouldUnsubscribe()) {\n      const { closed } = this;\n      super.unsubscribe();\n      // Execute additional teardown if we have any and we didn't already do so.\n      !closed && this.onFinalize?.();\n    }\n  }\n}\n", "import { Subscription } from '../Subscription';\n\ninterface AnimationFrameProvider {\n  schedule(callback: FrameRequestCallback): Subscription;\n  requestAnimationFrame: typeof requestAnimationFrame;\n  cancelAnimationFrame: typeof cancelAnimationFrame;\n  delegate:\n    | {\n        requestAnimationFrame: typeof requestAnimationFrame;\n        cancelAnimationFrame: typeof cancelAnimationFrame;\n      }\n    | undefined;\n}\n\nexport const animationFrameProvider: AnimationFrameProvider = {\n  // When accessing the delegate, use the variable rather than `this` so that\n  // the functions can be called without being bound to the provider.\n  schedule(callback) {\n    let request = requestAnimationFrame;\n    let cancel: typeof cancelAnimationFrame | undefined = cancelAnimationFrame;\n    const { delegate } = animationFrameProvider;\n    if (delegate) {\n      request = delegate.requestAnimationFrame;\n      cancel = delegate.cancelAnimationFrame;\n    }\n    const handle = request((timestamp) => {\n      // Clear the cancel function. The request has been fulfilled, so\n      // attempting to cancel the request upon unsubscription would be\n      // pointless.\n      cancel = undefined;\n      callback(timestamp);\n    });\n    return new Subscription(() => cancel?.(handle));\n  },\n  requestAnimationFrame(...args) {\n    const { delegate } = animationFrameProvider;\n    return (delegate?.requestAnimationFrame || requestAnimationFrame)(...args);\n  },\n  cancelAnimationFrame(...args) {\n    const { delegate } = animationFrameProvider;\n    return (delegate?.cancelAnimationFrame || cancelAnimationFrame)(...args);\n  },\n  delegate: undefined,\n};\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface ObjectUnsubscribedError extends Error {}\n\nexport interface ObjectUnsubscribedErrorCtor {\n  /**\n   * @deprecated Internal implementation detail. Do not construct error instances.\n   * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n   */\n  new (): ObjectUnsubscribedError;\n}\n\n/**\n * An error thrown when an action is invalid because the object has been\n * unsubscribed.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n *\n * @class ObjectUnsubscribedError\n */\nexport const ObjectUnsubscribedError: ObjectUnsubscribedErrorCtor = createErrorClass(\n  (_super) =>\n    function ObjectUnsubscribedErrorImpl(this: any) {\n      _super(this);\n      this.name = 'ObjectUnsubscribedError';\n      this.message = 'object unsubscribed';\n    }\n);\n", "import { Operator } from './Operator';\nimport { Observable } from './Observable';\nimport { Subscriber } from './Subscriber';\nimport { Subscription, EMPTY_SUBSCRIPTION } from './Subscription';\nimport { Observer, SubscriptionLike, TeardownLogic } from './types';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { arrRemove } from './util/arrRemove';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A Subject is a special type of Observable that allows values to be\n * multicasted to many Observers. Subjects are like EventEmitters.\n *\n * Every Subject is an Observable and an Observer. You can subscribe to a\n * Subject, and you can call next to feed values as well as error and complete.\n */\nexport class Subject<T> extends Observable<T> implements SubscriptionLike {\n  closed = false;\n\n  private currentObservers: Observer<T>[] | null = null;\n\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  observers: Observer<T>[] = [];\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  isStopped = false;\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  hasError = false;\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  thrownError: any = null;\n\n  /**\n   * Creates a \"subject\" by basically gluing an observer to an observable.\n   *\n   * @deprecated Recommended you do not use. Will be removed at some point in the future. Plans for replacement still under discussion.\n   */\n  static create: (...args: any[]) => any = <T>(destination: Observer<T>, source: Observable<T>): AnonymousSubject<T> => {\n    return new AnonymousSubject<T>(destination, source);\n  };\n\n  constructor() {\n    // NOTE: This must be here to obscure Observable's constructor.\n    super();\n  }\n\n  /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n  lift<R>(operator: Operator<T, R>): Observable<R> {\n    const subject = new AnonymousSubject(this, this);\n    subject.operator = operator as any;\n    return subject as any;\n  }\n\n  /** @internal */\n  protected _throwIfClosed() {\n    if (this.closed) {\n      throw new ObjectUnsubscribedError();\n    }\n  }\n\n  next(value: T) {\n    errorContext(() => {\n      this._throwIfClosed();\n      if (!this.isStopped) {\n        if (!this.currentObservers) {\n          this.currentObservers = Array.from(this.observers);\n        }\n        for (const observer of this.currentObservers) {\n          observer.next(value);\n        }\n      }\n    });\n  }\n\n  error(err: any) {\n    errorContext(() => {\n      this._throwIfClosed();\n      if (!this.isStopped) {\n        this.hasError = this.isStopped = true;\n        this.thrownError = err;\n        const { observers } = this;\n        while (observers.length) {\n          observers.shift()!.error(err);\n        }\n      }\n    });\n  }\n\n  complete() {\n    errorContext(() => {\n      this._throwIfClosed();\n      if (!this.isStopped) {\n        this.isStopped = true;\n        const { observers } = this;\n        while (observers.length) {\n          observers.shift()!.complete();\n        }\n      }\n    });\n  }\n\n  unsubscribe() {\n    this.isStopped = this.closed = true;\n    this.observers = this.currentObservers = null!;\n  }\n\n  get observed() {\n    return this.observers?.length > 0;\n  }\n\n  /** @internal */\n  protected _trySubscribe(subscriber: Subscriber<T>): TeardownLogic {\n    this._throwIfClosed();\n    return super._trySubscribe(subscriber);\n  }\n\n  /** @internal */\n  protected _subscribe(subscriber: Subscriber<T>): Subscription {\n    this._throwIfClosed();\n    this._checkFinalizedStatuses(subscriber);\n    return this._innerSubscribe(subscriber);\n  }\n\n  /** @internal */\n  protected _innerSubscribe(subscriber: Subscriber<any>) {\n    const { hasError, isStopped, observers } = this;\n    if (hasError || isStopped) {\n      return EMPTY_SUBSCRIPTION;\n    }\n    this.currentObservers = null;\n    observers.push(subscriber);\n    return new Subscription(() => {\n      this.currentObservers = null;\n      arrRemove(observers, subscriber);\n    });\n  }\n\n  /** @internal */\n  protected _checkFinalizedStatuses(subscriber: Subscriber<any>) {\n    const { hasError, thrownError, isStopped } = this;\n    if (hasError) {\n      subscriber.error(thrownError);\n    } else if (isStopped) {\n      subscriber.complete();\n    }\n  }\n\n  /**\n   * Creates a new Observable with this Subject as the source. You can do this\n   * to create custom Observer-side logic of the Subject and conceal it from\n   * code that uses the Observable.\n   * @return Observable that this Subject casts to.\n   */\n  asObservable(): Observable<T> {\n    const observable: any = new Observable<T>();\n    observable.source = this;\n    return observable;\n  }\n}\n\nexport class AnonymousSubject<T> extends Subject<T> {\n  constructor(\n    /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n    public destination?: Observer<T>,\n    source?: Observable<T>\n  ) {\n    super();\n    this.source = source;\n  }\n\n  next(value: T) {\n    this.destination?.next?.(value);\n  }\n\n  error(err: any) {\n    this.destination?.error?.(err);\n  }\n\n  complete() {\n    this.destination?.complete?.();\n  }\n\n  /** @internal */\n  protected _subscribe(subscriber: Subscriber<T>): Subscription {\n    return this.source?.subscribe(subscriber) ?? EMPTY_SUBSCRIPTION;\n  }\n}\n", "import { Subject } from './Subject';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\n\n/**\n * A variant of Subject that requires an initial value and emits its current\n * value whenever it is subscribed to.\n */\nexport class BehaviorSubject<T> extends Subject<T> {\n  constructor(private _value: T) {\n    super();\n  }\n\n  get value(): T {\n    return this.getValue();\n  }\n\n  /** @internal */\n  protected _subscribe(subscriber: Subscriber<T>): Subscription {\n    const subscription = super._subscribe(subscriber);\n    !subscription.closed && subscriber.next(this._value);\n    return subscription;\n  }\n\n  getValue(): T {\n    const { hasError, thrownError, _value } = this;\n    if (hasError) {\n      throw thrownError;\n    }\n    this._throwIfClosed();\n    return _value;\n  }\n\n  next(value: T): void {\n    super.next((this._value = value));\n  }\n}\n", "import { TimestampProvider } from '../types';\n\ninterface DateTimestampProvider extends TimestampProvider {\n  delegate: TimestampProvider | undefined;\n}\n\nexport const dateTimestampProvider: DateTimestampProvider = {\n  now() {\n    // Use the variable rather than `this` so that the function can be called\n    // without being bound to the provider.\n    return (dateTimestampProvider.delegate || Date).now();\n  },\n  delegate: undefined,\n};\n", "import { Subject } from './Subject';\nimport { TimestampProvider } from './types';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * A variant of {@link Subject} that \"replays\" old values to new subscribers by emitting them when they first subscribe.\n *\n * `ReplaySubject` has an internal buffer that will store a specified number of values that it has observed. Like `Subject`,\n * `ReplaySubject` \"observes\" values by having them passed to its `next` method. When it observes a value, it will store that\n * value for a time determined by the configuration of the `ReplaySubject`, as passed to its constructor.\n *\n * When a new subscriber subscribes to the `ReplaySubject` instance, it will synchronously emit all values in its buffer in\n * a First-In-First-Out (FIFO) manner. The `ReplaySubject` will also complete, if it has observed completion; and it will\n * error if it has observed an error.\n *\n * There are two main configuration items to be concerned with:\n *\n * 1. `bufferSize` - This will determine how many items are stored in the buffer, defaults to infinite.\n * 2. `windowTime` - The amount of time to hold a value in the buffer before removing it from the buffer.\n *\n * Both configurations may exist simultaneously. So if you would like to buffer a maximum of 3 values, as long as the values\n * are less than 2 seconds old, you could do so with a `new ReplaySubject(3, 2000)`.\n *\n * ### Differences with BehaviorSubject\n *\n * `BehaviorSubject` is similar to `new ReplaySubject(1)`, with a couple of exceptions:\n *\n * 1. `BehaviorSubject` comes \"primed\" with a single value upon construction.\n * 2. `ReplaySubject` will replay values, even after observing an error, where `BehaviorSubject` will not.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n * @see {@link shareReplay}\n */\nexport class ReplaySubject<T> extends Subject<T> {\n  private _buffer: (T | number)[] = [];\n  private _infiniteTimeWindow = true;\n\n  /**\n   * @param _bufferSize The size of the buffer to replay on subscription\n   * @param _windowTime The amount of time the buffered items will stay buffered\n   * @param _timestampProvider An object with a `now()` method that provides the current timestamp. This is used to\n   * calculate the amount of time something has been buffered.\n   */\n  constructor(\n    private _bufferSize = Infinity,\n    private _windowTime = Infinity,\n    private _timestampProvider: TimestampProvider = dateTimestampProvider\n  ) {\n    super();\n    this._infiniteTimeWindow = _windowTime === Infinity;\n    this._bufferSize = Math.max(1, _bufferSize);\n    this._windowTime = Math.max(1, _windowTime);\n  }\n\n  next(value: T): void {\n    const { isStopped, _buffer, _infiniteTimeWindow, _timestampProvider, _windowTime } = this;\n    if (!isStopped) {\n      _buffer.push(value);\n      !_infiniteTimeWindow && _buffer.push(_timestampProvider.now() + _windowTime);\n    }\n    this._trimBuffer();\n    super.next(value);\n  }\n\n  /** @internal */\n  protected _subscribe(subscriber: Subscriber<T>): Subscription {\n    this._throwIfClosed();\n    this._trimBuffer();\n\n    const subscription = this._innerSubscribe(subscriber);\n\n    const { _infiniteTimeWindow, _buffer } = this;\n    // We use a copy here, so reentrant code does not mutate our array while we're\n    // emitting it to a new subscriber.\n    const copy = _buffer.slice();\n    for (let i = 0; i < copy.length && !subscriber.closed; i += _infiniteTimeWindow ? 1 : 2) {\n      subscriber.next(copy[i] as T);\n    }\n\n    this._checkFinalizedStatuses(subscriber);\n\n    return subscription;\n  }\n\n  private _trimBuffer() {\n    const { _bufferSize, _timestampProvider, _buffer, _infiniteTimeWindow } = this;\n    // If we don't have an infinite buffer size, and we're over the length,\n    // use splice to truncate the old buffer values off. Note that we have to\n    // double the size for instances where we're not using an infinite time window\n    // because we're storing the values and the timestamps in the same array.\n    const adjustedBufferSize = (_infiniteTimeWindow ? 1 : 2) * _bufferSize;\n    _bufferSize < Infinity && adjustedBufferSize < _buffer.length && _buffer.splice(0, _buffer.length - adjustedBufferSize);\n\n    // Now, if we're not in an infinite time window, remove all values where the time is\n    // older than what is allowed.\n    if (!_infiniteTimeWindow) {\n      const now = _timestampProvider.now();\n      let last = 0;\n      // Search the array for the first timestamp that isn't expired and\n      // truncate the buffer up to that point.\n      for (let i = 1; i < _buffer.length && (_buffer[i] as number) <= now; i += 2) {\n        last = i;\n      }\n      last && _buffer.splice(0, last + 1);\n    }\n  }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Subscription } from '../Subscription';\nimport { SchedulerAction } from '../types';\n\n/**\n * A unit of work to be executed in a `scheduler`. An action is typically\n * created from within a {@link SchedulerLike} and an RxJS user does not need to concern\n * themselves about creating and manipulating an Action.\n *\n * ```ts\n * class Action<T> extends Subscription {\n *   new (scheduler: Scheduler, work: (state?: T) => void);\n *   schedule(state?: T, delay: number = 0): Subscription;\n * }\n * ```\n */\nexport class Action<T> extends Subscription {\n  constructor(scheduler: Scheduler, work: (this: SchedulerAction<T>, state?: T) => void) {\n    super();\n  }\n  /**\n   * Schedules this action on its parent {@link SchedulerLike} for execution. May be passed\n   * some context object, `state`. May happen at some point in the future,\n   * according to the `delay` parameter, if specified.\n   * @param state Some contextual data that the `work` function uses when called by the\n   * Scheduler.\n   * @param delay Time to wait before executing the work, where the time unit is implicit\n   * and defined by the Scheduler.\n   * @return A subscription in order to be able to unsubscribe the scheduled work.\n   */\n  public schedule(state?: T, delay: number = 0): Subscription {\n    return this;\n  }\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetIntervalFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearIntervalFunction = (handle: TimerHandle) => void;\n\ninterface IntervalProvider {\n  setInterval: SetIntervalFunction;\n  clearInterval: ClearIntervalFunction;\n  delegate:\n    | {\n        setInterval: SetIntervalFunction;\n        clearInterval: ClearIntervalFunction;\n      }\n    | undefined;\n}\n\nexport const intervalProvider: IntervalProvider = {\n  // When accessing the delegate, use the variable rather than `this` so that\n  // the functions can be called without being bound to the provider.\n  setInterval(handler: () => void, timeout?: number, ...args) {\n    const { delegate } = intervalProvider;\n    if (delegate?.setInterval) {\n      return delegate.setInterval(handler, timeout, ...args);\n    }\n    return setInterval(handler, timeout, ...args);\n  },\n  clearInterval(handle) {\n    const { delegate } = intervalProvider;\n    return (delegate?.clearInterval || clearInterval)(handle as any);\n  },\n  delegate: undefined,\n};\n", "import { Action } from './Action';\nimport { SchedulerAction } from '../types';\nimport { Subscription } from '../Subscription';\nimport { AsyncScheduler } from './AsyncScheduler';\nimport { intervalProvider } from './intervalProvider';\nimport { arrRemove } from '../util/arrRemove';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncAction<T> extends Action<T> {\n  public id: TimerHandle | undefined;\n  public state?: T;\n  // @ts-ignore: Property has no initializer and is not definitely assigned\n  public delay: number;\n  protected pending: boolean = false;\n\n  constructor(protected scheduler: AsyncScheduler, protected work: (this: SchedulerAction<T>, state?: T) => void) {\n    super(scheduler, work);\n  }\n\n  public schedule(state?: T, delay: number = 0): Subscription {\n    if (this.closed) {\n      return this;\n    }\n\n    // Always replace the current state with the new state.\n    this.state = state;\n\n    const id = this.id;\n    const scheduler = this.scheduler;\n\n    //\n    // Important implementation note:\n    //\n    // Actions only execute once by default, unless rescheduled from within the\n    // scheduled callback. This allows us to implement single and repeat\n    // actions via the same code path, without adding API surface area, as well\n    // as mimic traditional recursion but across asynchronous boundaries.\n    //\n    // However, JS runtimes and timers distinguish between intervals achieved by\n    // serial `setTimeout` calls vs. a single `setInterval` call. An interval of\n    // serial `setTimeout` calls can be individually delayed, which delays\n    // scheduling the next `setTimeout`, and so on. `setInterval` attempts to\n    // guarantee the interval callback will be invoked more precisely to the\n    // interval period, regardless of load.\n    //\n    // Therefore, we use `setInterval` to schedule single and repeat actions.\n    // If the action reschedules itself with the same delay, the interval is not\n    // canceled. If the action doesn't reschedule, or reschedules with a\n    // different delay, the interval will be canceled after scheduled callback\n    // execution.\n    //\n    if (id != null) {\n      this.id = this.recycleAsyncId(scheduler, id, delay);\n    }\n\n    // Set the pending flag indicating that this action has been scheduled, or\n    // has recursively rescheduled itself.\n    this.pending = true;\n\n    this.delay = delay;\n    // If this action has already an async Id, don't request a new one.\n    this.id = this.id ?? this.requestAsyncId(scheduler, this.id, delay);\n\n    return this;\n  }\n\n  protected requestAsyncId(scheduler: AsyncScheduler, _id?: TimerHandle, delay: number = 0): TimerHandle {\n    return intervalProvider.setInterval(scheduler.flush.bind(scheduler, this), delay);\n  }\n\n  protected recycleAsyncId(_scheduler: AsyncScheduler, id?: TimerHandle, delay: number | null = 0): TimerHandle | undefined {\n    // If this action is rescheduled with the same delay time, don't clear the interval id.\n    if (delay != null && this.delay === delay && this.pending === false) {\n      return id;\n    }\n    // Otherwise, if the action's delay time is different from the current delay,\n    // or the action has been rescheduled before it's executed, clear the interval id\n    if (id != null) {\n      intervalProvider.clearInterval(id);\n    }\n\n    return undefined;\n  }\n\n  /**\n   * Immediately executes this action and the `work` it contains.\n   */\n  public execute(state: T, delay: number): any {\n    if (this.closed) {\n      return new Error('executing a cancelled action');\n    }\n\n    this.pending = false;\n    const error = this._execute(state, delay);\n    if (error) {\n      return error;\n    } else if (this.pending === false && this.id != null) {\n      // Dequeue if the action didn't reschedule itself. Don't call\n      // unsubscribe(), because the action could reschedule later.\n      // For example:\n      // ```\n      // scheduler.schedule(function doWork(counter) {\n      //   /* ... I'm a busy worker bee ... */\n      //   var originalAction = this;\n      //   /* wait 100ms before rescheduling the action */\n      //   setTimeout(function () {\n      //     originalAction.schedule(counter + 1);\n      //   }, 100);\n      // }, 1000);\n      // ```\n      this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n    }\n  }\n\n  protected _execute(state: T, _delay: number): any {\n    let errored: boolean = false;\n    let errorValue: any;\n    try {\n      this.work(state);\n    } catch (e) {\n      errored = true;\n      // HACK: Since code elsewhere is relying on the \"truthiness\" of the\n      // return here, we can't have it return \"\" or 0 or false.\n      // TODO: Clean this up when we refactor schedulers mid-version-8 or so.\n      errorValue = e ? e : new Error('Scheduled action threw falsy error');\n    }\n    if (errored) {\n      this.unsubscribe();\n      return errorValue;\n    }\n  }\n\n  unsubscribe() {\n    if (!this.closed) {\n      const { id, scheduler } = this;\n      const { actions } = scheduler;\n\n      this.work = this.state = this.scheduler = null!;\n      this.pending = false;\n\n      arrRemove(actions, this);\n      if (id != null) {\n        this.id = this.recycleAsyncId(scheduler, id, null);\n      }\n\n      this.delay = null!;\n      super.unsubscribe();\n    }\n  }\n}\n", "import { Action } from './scheduler/Action';\nimport { Subscription } from './Subscription';\nimport { SchedulerLike, SchedulerAction } from './types';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * An execution context and a data structure to order tasks and schedule their\n * execution. Provides a notion of (potentially virtual) time, through the\n * `now()` getter method.\n *\n * Each unit of work in a Scheduler is called an `Action`.\n *\n * ```ts\n * class Scheduler {\n *   now(): number;\n *   schedule(work, delay?, state?): Subscription;\n * }\n * ```\n *\n * @deprecated Scheduler is an internal implementation detail of RxJS, and\n * should not be used directly. Rather, create your own class and implement\n * {@link SchedulerLike}. Will be made internal in v8.\n */\nexport class Scheduler implements SchedulerLike {\n  public static now: () => number = dateTimestampProvider.now;\n\n  constructor(private schedulerActionCtor: typeof Action, now: () => number = Scheduler.now) {\n    this.now = now;\n  }\n\n  /**\n   * A getter method that returns a number representing the current time\n   * (at the time this function was called) according to the scheduler's own\n   * internal clock.\n   * @return A number that represents the current time. May or may not\n   * have a relation to wall-clock time. May or may not refer to a time unit\n   * (e.g. milliseconds).\n   */\n  public now: () => number;\n\n  /**\n   * Schedules a function, `work`, for execution. May happen at some point in\n   * the future, according to the `delay` parameter, if specified. May be passed\n   * some context object, `state`, which will be passed to the `work` function.\n   *\n   * The given arguments will be processed an stored as an Action object in a\n   * queue of actions.\n   *\n   * @param work A function representing a task, or some unit of work to be\n   * executed by the Scheduler.\n   * @param delay Time to wait before executing the work, where the time unit is\n   * implicit and defined by the Scheduler itself.\n   * @param state Some contextual data that the `work` function uses when called\n   * by the Scheduler.\n   * @return A subscription in order to be able to unsubscribe the scheduled work.\n   */\n  public schedule<T>(work: (this: SchedulerAction<T>, state?: T) => void, delay: number = 0, state?: T): Subscription {\n    return new this.schedulerActionCtor<T>(this, work).schedule(state, delay);\n  }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Action } from './Action';\nimport { AsyncAction } from './AsyncAction';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncScheduler extends Scheduler {\n  public actions: Array<AsyncAction<any>> = [];\n  /**\n   * A flag to indicate whether the Scheduler is currently executing a batch of\n   * queued actions.\n   * @internal\n   */\n  public _active: boolean = false;\n  /**\n   * An internal ID used to track the latest asynchronous task such as those\n   * coming from `setTimeout`, `setInterval`, `requestAnimationFrame`, and\n   * others.\n   * @internal\n   */\n  public _scheduled: TimerHandle | undefined;\n\n  constructor(SchedulerAction: typeof Action, now: () => number = Scheduler.now) {\n    super(SchedulerAction, now);\n  }\n\n  public flush(action: AsyncAction<any>): void {\n    const { actions } = this;\n\n    if (this._active) {\n      actions.push(action);\n      return;\n    }\n\n    let error: any;\n    this._active = true;\n\n    do {\n      if ((error = action.execute(action.state, action.delay))) {\n        break;\n      }\n    } while ((action = actions.shift()!)); // exhaust the scheduler queue\n\n    this._active = false;\n\n    if (error) {\n      while ((action = actions.shift()!)) {\n        action.unsubscribe();\n      }\n      throw error;\n    }\n  }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\n/**\n *\n * Async Scheduler\n *\n * <span class=\"informal\">Schedule task as if you used setTimeout(task, duration)</span>\n *\n * `async` scheduler schedules tasks asynchronously, by putting them on the JavaScript\n * event loop queue. It is best used to delay tasks in time or to schedule tasks repeating\n * in intervals.\n *\n * If you just want to \"defer\" task, that is to perform it right after currently\n * executing synchronous code ends (commonly achieved by `setTimeout(deferredTask, 0)`),\n * better choice will be the {@link asapScheduler} scheduler.\n *\n * ## Examples\n * Use async scheduler to delay task\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * const task = () => console.log('it works!');\n *\n * asyncScheduler.schedule(task, 2000);\n *\n * // After 2 seconds logs:\n * // \"it works!\"\n * ```\n *\n * Use async scheduler to repeat task in intervals\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * function task(state) {\n *   console.log(state);\n *   this.schedule(state + 1, 1000); // `this` references currently executing Action,\n *                                   // which we reschedule with new state and delay\n * }\n *\n * asyncScheduler.schedule(task, 3000, 0);\n *\n * // Logs:\n * // 0 after 3s\n * // 1 after 4s\n * // 2 after 5s\n * // 3 after 6s\n * ```\n */\n\nexport const asyncScheduler = new AsyncScheduler(AsyncAction);\n\n/**\n * @deprecated Renamed to {@link asyncScheduler}. Will be removed in v8.\n */\nexport const async = asyncScheduler;\n", "import { AsyncAction } from './AsyncAction';\nimport { Subscription } from '../Subscription';\nimport { QueueScheduler } from './QueueScheduler';\nimport { SchedulerAction } from '../types';\nimport { TimerHandle } from './timerHandle';\n\nexport class QueueAction<T> extends AsyncAction<T> {\n  constructor(protected scheduler: QueueScheduler, protected work: (this: SchedulerAction<T>, state?: T) => void) {\n    super(scheduler, work);\n  }\n\n  public schedule(state?: T, delay: number = 0): Subscription {\n    if (delay > 0) {\n      return super.schedule(state, delay);\n    }\n    this.delay = delay;\n    this.state = state;\n    this.scheduler.flush(this);\n    return this;\n  }\n\n  public execute(state: T, delay: number): any {\n    return delay > 0 || this.closed ? super.execute(state, delay) : this._execute(state, delay);\n  }\n\n  protected requestAsyncId(scheduler: QueueScheduler, id?: TimerHandle, delay: number = 0): TimerHandle {\n    // If delay exists and is greater than 0, or if the delay is null (the\n    // action wasn't rescheduled) but was originally scheduled as an async\n    // action, then recycle as an async action.\n\n    if ((delay != null && delay > 0) || (delay == null && this.delay > 0)) {\n      return super.requestAsyncId(scheduler, id, delay);\n    }\n\n    // Otherwise flush the scheduler starting with this action.\n    scheduler.flush(this);\n\n    // HACK: In the past, this was returning `void`. However, `void` isn't a valid\n    // `TimerHandle`, and generally the return value here isn't really used. So the\n    // compromise is to return `0` which is both \"falsy\" and a valid `TimerHandle`,\n    // as opposed to refactoring every other instanceo of `requestAsyncId`.\n    return 0;\n  }\n}\n", "import { AsyncScheduler } from './AsyncScheduler';\n\nexport class QueueScheduler extends AsyncScheduler {\n}\n", "import { QueueAction } from './QueueAction';\nimport { QueueScheduler } from './QueueScheduler';\n\n/**\n *\n * Queue Scheduler\n *\n * <span class=\"informal\">Put every next task on a queue, instead of executing it immediately</span>\n *\n * `queue` scheduler, when used with delay, behaves the same as {@link asyncScheduler} scheduler.\n *\n * When used without delay, it schedules given task synchronously - executes it right when\n * it is scheduled. However when called recursively, that is when inside the scheduled task,\n * another task is scheduled with queue scheduler, instead of executing immediately as well,\n * that task will be put on a queue and wait for current one to finish.\n *\n * This means that when you execute task with `queue` scheduler, you are sure it will end\n * before any other task scheduled with that scheduler will start.\n *\n * ## Examples\n * Schedule recursively first, then do something\n * ```ts\n * import { queueScheduler } from 'rxjs';\n *\n * queueScheduler.schedule(() => {\n *   queueScheduler.schedule(() => console.log('second')); // will not happen now, but will be put on a queue\n *\n *   console.log('first');\n * });\n *\n * // Logs:\n * // \"first\"\n * // \"second\"\n * ```\n *\n * Reschedule itself recursively\n * ```ts\n * import { queueScheduler } from 'rxjs';\n *\n * queueScheduler.schedule(function(state) {\n *   if (state !== 0) {\n *     console.log('before', state);\n *     this.schedule(state - 1); // `this` references currently executing Action,\n *                               // which we reschedule with new state\n *     console.log('after', state);\n *   }\n * }, 0, 3);\n *\n * // In scheduler that runs recursively, you would expect:\n * // \"before\", 3\n * // \"before\", 2\n * // \"before\", 1\n * // \"after\", 1\n * // \"after\", 2\n * // \"after\", 3\n *\n * // But with queue it logs:\n * // \"before\", 3\n * // \"after\", 3\n * // \"before\", 2\n * // \"after\", 2\n * // \"before\", 1\n * // \"after\", 1\n * ```\n */\n\nexport const queueScheduler = new QueueScheduler(QueueAction);\n\n/**\n * @deprecated Renamed to {@link queueScheduler}. Will be removed in v8.\n */\nexport const queue = queueScheduler;\n", "import { AsyncAction } from './AsyncAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nimport { SchedulerAction } from '../types';\nimport { animationFrameProvider } from './animationFrameProvider';\nimport { TimerHandle } from './timerHandle';\n\nexport class AnimationFrameAction<T> extends AsyncAction<T> {\n  constructor(protected scheduler: AnimationFrameScheduler, protected work: (this: SchedulerAction<T>, state?: T) => void) {\n    super(scheduler, work);\n  }\n\n  protected requestAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle {\n    // If delay is greater than 0, request as an async action.\n    if (delay !== null && delay > 0) {\n      return super.requestAsyncId(scheduler, id, delay);\n    }\n    // Push the action to the end of the scheduler queue.\n    scheduler.actions.push(this);\n    // If an animation frame has already been requested, don't request another\n    // one. If an animation frame hasn't been requested yet, request one. Return\n    // the current animation frame request id.\n    return scheduler._scheduled || (scheduler._scheduled = animationFrameProvider.requestAnimationFrame(() => scheduler.flush(undefined)));\n  }\n\n  protected recycleAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle | undefined {\n    // If delay exists and is greater than 0, or if the delay is null (the\n    // action wasn't rescheduled) but was originally scheduled as an async\n    // action, then recycle as an async action.\n    if (delay != null ? delay > 0 : this.delay > 0) {\n      return super.recycleAsyncId(scheduler, id, delay);\n    }\n    // If the scheduler queue has no remaining actions with the same async id,\n    // cancel the requested animation frame and set the scheduled flag to\n    // undefined so the next AnimationFrameAction will request its own.\n    const { actions } = scheduler;\n    if (id != null && id === scheduler._scheduled && actions[actions.length - 1]?.id !== id) {\n      animationFrameProvider.cancelAnimationFrame(id as number);\n      scheduler._scheduled = undefined;\n    }\n    // Return undefined so the action knows to request a new async id if it's rescheduled.\n    return undefined;\n  }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\nexport class AnimationFrameScheduler extends AsyncScheduler {\n  public flush(action?: AsyncAction<any>): void {\n    this._active = true;\n    // The async id that effects a call to flush is stored in _scheduled.\n    // Before executing an action, it's necessary to check the action's async\n    // id to determine whether it's supposed to be executed in the current\n    // flush.\n    // Previous implementations of this method used a count to determine this,\n    // but that was unsound, as actions that are unsubscribed - i.e. cancelled -\n    // are removed from the actions array and that can shift actions that are\n    // scheduled to be executed in a subsequent flush into positions at which\n    // they are executed within the current flush.\n    let flushId;\n    if (action) {\n      flushId = action.id;\n    } else {\n      flushId = this._scheduled;\n      this._scheduled = undefined;\n    }\n\n    const { actions } = this;\n    let error: any;\n    action = action || actions.shift()!;\n\n    do {\n      if ((error = action.execute(action.state, action.delay))) {\n        break;\n      }\n    } while ((action = actions[0]) && action.id === flushId && actions.shift());\n\n    this._active = false;\n\n    if (error) {\n      while ((action = actions[0]) && action.id === flushId && actions.shift()) {\n        action.unsubscribe();\n      }\n      throw error;\n    }\n  }\n}\n", "import { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\n\n/**\n *\n * Animation Frame Scheduler\n *\n * <span class=\"informal\">Perform task when `window.requestAnimationFrame` would fire</span>\n *\n * When `animationFrame` scheduler is used with delay, it will fall back to {@link asyncScheduler} scheduler\n * behaviour.\n *\n * Without delay, `animationFrame` scheduler can be used to create smooth browser animations.\n * It makes sure scheduled task will happen just before next browser content repaint,\n * thus performing animations as efficiently as possible.\n *\n * ## Example\n * Schedule div height animation\n * ```ts\n * // html: <div style=\"background: #0ff;\"></div>\n * import { animationFrameScheduler } from 'rxjs';\n *\n * const div = document.querySelector('div');\n *\n * animationFrameScheduler.schedule(function(height) {\n *   div.style.height = height + \"px\";\n *\n *   this.schedule(height + 1);  // `this` references currently executing Action,\n *                               // which we reschedule with new state\n * }, 0, 0);\n *\n * // You will see a div element growing in height\n * ```\n */\n\nexport const animationFrameScheduler = new AnimationFrameScheduler(AnimationFrameAction);\n\n/**\n * @deprecated Renamed to {@link animationFrameScheduler}. Will be removed in v8.\n */\nexport const animationFrame = animationFrameScheduler;\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\n\n/**\n * A simple Observable that emits no items to the Observer and immediately\n * emits a complete notification.\n *\n * <span class=\"informal\">Just emits 'complete', and nothing else.</span>\n *\n * ![](empty.png)\n *\n * A simple Observable that only emits the complete notification. It can be used\n * for composing with other Observables, such as in a {@link mergeMap}.\n *\n * ## Examples\n *\n * Log complete notification\n *\n * ```ts\n * import { EMPTY } from 'rxjs';\n *\n * EMPTY.subscribe({\n *   next: () => console.log('Next'),\n *   complete: () => console.log('Complete!')\n * });\n *\n * // Outputs\n * // Complete!\n * ```\n *\n * Emit the number 7, then complete\n *\n * ```ts\n * import { EMPTY, startWith } from 'rxjs';\n *\n * const result = EMPTY.pipe(startWith(7));\n * result.subscribe(x => console.log(x));\n *\n * // Outputs\n * // 7\n * ```\n *\n * Map and flatten only odd numbers to the sequence `'a'`, `'b'`, `'c'`\n *\n * ```ts\n * import { interval, mergeMap, of, EMPTY } from 'rxjs';\n *\n * const interval$ = interval(1000);\n * const result = interval$.pipe(\n *   mergeMap(x => x % 2 === 1 ? of('a', 'b', 'c') : EMPTY),\n * );\n * result.subscribe(x => console.log(x));\n *\n * // Results in the following to the console:\n * // x is equal to the count on the interval, e.g. (0, 1, 2, 3, ...)\n * // x will occur every 1000ms\n * // if x % 2 is equal to 1, print a, b, c (each on its own)\n * // if x % 2 is not equal to 1, nothing will be output\n * ```\n *\n * @see {@link Observable}\n * @see {@link NEVER}\n * @see {@link of}\n * @see {@link throwError}\n */\nexport const EMPTY = new Observable<never>((subscriber) => subscriber.complete());\n\n/**\n * @param scheduler A {@link SchedulerLike} to use for scheduling\n * the emission of the complete notification.\n * @deprecated Replaced with the {@link EMPTY} constant or {@link scheduled} (e.g. `scheduled([], scheduler)`). Will be removed in v8.\n */\nexport function empty(scheduler?: SchedulerLike) {\n  return scheduler ? emptyScheduled(scheduler) : EMPTY;\n}\n\nfunction emptyScheduled(scheduler: SchedulerLike) {\n  return new Observable<never>((subscriber) => scheduler.schedule(() => subscriber.complete()));\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport function isScheduler(value: any): value is SchedulerLike {\n  return value && isFunction(value.schedule);\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\nimport { isScheduler } from './isScheduler';\n\nfunction last<T>(arr: T[]): T | undefined {\n  return arr[arr.length - 1];\n}\n\nexport function popResultSelector(args: any[]): ((...args: unknown[]) => unknown) | undefined {\n  return isFunction(last(args)) ? args.pop() : undefined;\n}\n\nexport function popScheduler(args: any[]): SchedulerLike | undefined {\n  return isScheduler(last(args)) ? args.pop() : undefined;\n}\n\nexport function popNumber(args: any[], defaultValue: number): number {\n  return typeof last(args) === 'number' ? args.pop()! : defaultValue;\n}\n", "export const isArrayLike = (<T>(x: any): x is ArrayLike<T> => x && typeof x.length === 'number' && typeof x !== 'function');", "import { isFunction } from \"./isFunction\";\n\n/**\n * Tests to see if the object is \"thennable\".\n * @param value the object to test\n */\nexport function isPromise(value: any): value is PromiseLike<any> {\n  return isFunction(value?.then);\n}\n", "import { InteropObservable } from '../types';\nimport { observable as Symbol_observable } from '../symbol/observable';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being Observable (but not necessary an Rx Observable) */\nexport function isInteropObservable(input: any): input is InteropObservable<any> {\n  return isFunction(input[Symbol_observable]);\n}\n", "import { isFunction } from './isFunction';\n\nexport function isAsyncIterable<T>(obj: any): obj is AsyncIterable<T> {\n  return Symbol.asyncIterator && isFunction(obj?.[Symbol.asyncIterator]);\n}\n", "/**\n * Creates the TypeError to throw if an invalid object is passed to `from` or `scheduled`.\n * @param input The object that was passed.\n */\nexport function createInvalidObservableTypeError(input: any) {\n  // TODO: We should create error codes that can be looked up, so this can be less verbose.\n  return new TypeError(\n    `You provided ${\n      input !== null && typeof input === 'object' ? 'an invalid object' : `'${input}'`\n    } where a stream was expected. You can provide an Observable, Promise, ReadableStream, Array, AsyncIterable, or Iterable.`\n  );\n}\n", "export function getSymbolIterator(): symbol {\n  if (typeof Symbol !== 'function' || !Symbol.iterator) {\n    return '@@iterator' as any;\n  }\n\n  return Symbol.iterator;\n}\n\nexport const iterator = getSymbolIterator();\n", "import { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being an Iterable */\nexport function isIterable(input: any): input is Iterable<any> {\n  return isFunction(input?.[Symbol_iterator]);\n}\n", "import { ReadableStreamLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport async function* readableStreamLikeToAsyncGenerator<T>(readableStream: ReadableStreamLike<T>): AsyncGenerator<T> {\n  const reader = readableStream.getReader();\n  try {\n    while (true) {\n      const { value, done } = await reader.read();\n      if (done) {\n        return;\n      }\n      yield value!;\n    }\n  } finally {\n    reader.releaseLock();\n  }\n}\n\nexport function isReadableStreamLike<T>(obj: any): obj is ReadableStreamLike<T> {\n  // We don't want to use instanceof checks because they would return\n  // false for instances from another Realm, like an <iframe>.\n  return isFunction(obj?.getReader);\n}\n", "import { isArrayLike } from '../util/isArrayLike';\nimport { isPromise } from '../util/isPromise';\nimport { Observable } from '../Observable';\nimport { ObservableInput, ObservedValueOf, ReadableStreamLike } from '../types';\nimport { isInteropObservable } from '../util/isInteropObservable';\nimport { isAsyncIterable } from '../util/isAsyncIterable';\nimport { createInvalidObservableTypeError } from '../util/throwUnobservableError';\nimport { isIterable } from '../util/isIterable';\nimport { isReadableStreamLike, readableStreamLikeToAsyncGenerator } from '../util/isReadableStreamLike';\nimport { Subscriber } from '../Subscriber';\nimport { isFunction } from '../util/isFunction';\nimport { reportUnhandledError } from '../util/reportUnhandledError';\nimport { observable as Symbol_observable } from '../symbol/observable';\n\nexport function innerFrom<O extends ObservableInput<any>>(input: O): Observable<ObservedValueOf<O>>;\nexport function innerFrom<T>(input: ObservableInput<T>): Observable<T> {\n  if (input instanceof Observable) {\n    return input;\n  }\n  if (input != null) {\n    if (isInteropObservable(input)) {\n      return fromInteropObservable(input);\n    }\n    if (isArrayLike(input)) {\n      return fromArrayLike(input);\n    }\n    if (isPromise(input)) {\n      return fromPromise(input);\n    }\n    if (isAsyncIterable(input)) {\n      return fromAsyncIterable(input);\n    }\n    if (isIterable(input)) {\n      return fromIterable(input);\n    }\n    if (isReadableStreamLike(input)) {\n      return fromReadableStreamLike(input);\n    }\n  }\n\n  throw createInvalidObservableTypeError(input);\n}\n\n/**\n * Creates an RxJS Observable from an object that implements `Symbol.observable`.\n * @param obj An object that properly implements `Symbol.observable`.\n */\nexport function fromInteropObservable<T>(obj: any) {\n  return new Observable((subscriber: Subscriber<T>) => {\n    const obs = obj[Symbol_observable]();\n    if (isFunction(obs.subscribe)) {\n      return obs.subscribe(subscriber);\n    }\n    // Should be caught by observable subscribe function error handling.\n    throw new TypeError('Provided object does not correctly implement Symbol.observable');\n  });\n}\n\n/**\n * Synchronously emits the values of an array like and completes.\n * This is exported because there are creation functions and operators that need to\n * make direct use of the same logic, and there's no reason to make them run through\n * `from` conditionals because we *know* they're dealing with an array.\n * @param array The array to emit values from\n */\nexport function fromArrayLike<T>(array: ArrayLike<T>) {\n  return new Observable((subscriber: Subscriber<T>) => {\n    // Loop over the array and emit each value. Note two things here:\n    // 1. We're making sure that the subscriber is not closed on each loop.\n    //    This is so we don't continue looping over a very large array after\n    //    something like a `take`, `takeWhile`, or other synchronous unsubscription\n    //    has already unsubscribed.\n    // 2. In this form, reentrant code can alter that array we're looping over.\n    //    This is a known issue, but considered an edge case. The alternative would\n    //    be to copy the array before executing the loop, but this has\n    //    performance implications.\n    for (let i = 0; i < array.length && !subscriber.closed; i++) {\n      subscriber.next(array[i]);\n    }\n    subscriber.complete();\n  });\n}\n\nexport function fromPromise<T>(promise: PromiseLike<T>) {\n  return new Observable((subscriber: Subscriber<T>) => {\n    promise\n      .then(\n        (value) => {\n          if (!subscriber.closed) {\n            subscriber.next(value);\n            subscriber.complete();\n          }\n        },\n        (err: any) => subscriber.error(err)\n      )\n      .then(null, reportUnhandledError);\n  });\n}\n\nexport function fromIterable<T>(iterable: Iterable<T>) {\n  return new Observable((subscriber: Subscriber<T>) => {\n    for (const value of iterable) {\n      subscriber.next(value);\n      if (subscriber.closed) {\n        return;\n      }\n    }\n    subscriber.complete();\n  });\n}\n\nexport function fromAsyncIterable<T>(asyncIterable: AsyncIterable<T>) {\n  return new Observable((subscriber: Subscriber<T>) => {\n    process(asyncIterable, subscriber).catch((err) => subscriber.error(err));\n  });\n}\n\nexport function fromReadableStreamLike<T>(readableStream: ReadableStreamLike<T>) {\n  return fromAsyncIterable(readableStreamLikeToAsyncGenerator(readableStream));\n}\n\nasync function process<T>(asyncIterable: AsyncIterable<T>, subscriber: Subscriber<T>) {\n  for await (const value of asyncIterable) {\n    subscriber.next(value);\n    // A side-effect may have closed our subscriber,\n    // check before the next iteration.\n    if (subscriber.closed) {\n      return;\n    }\n  }\n  subscriber.complete();\n}\n", "import { Subscription } from '../Subscription';\nimport { SchedulerAction, SchedulerLike } from '../types';\n\nexport function executeSchedule(\n  parentSubscription: Subscription,\n  scheduler: SchedulerLike,\n  work: () => void,\n  delay: number,\n  repeat: true\n): void;\nexport function executeSchedule(\n  parentSubscription: Subscription,\n  scheduler: SchedulerLike,\n  work: () => void,\n  delay?: number,\n  repeat?: false\n): Subscription;\n\nexport function executeSchedule(\n  parentSubscription: Subscription,\n  scheduler: SchedulerLike,\n  work: () => void,\n  delay = 0,\n  repeat = false\n): Subscription | void {\n  const scheduleSubscription = scheduler.schedule(function (this: SchedulerAction<any>) {\n    work();\n    if (repeat) {\n      parentSubscription.add(this.schedule(null, delay));\n    } else {\n      this.unsubscribe();\n    }\n  }, delay);\n\n  parentSubscription.add(scheduleSubscription);\n\n  if (!repeat) {\n    // Because user-land scheduler implementations are unlikely to properly reuse\n    // Actions for repeat scheduling, we can't trust that the returned subscription\n    // will control repeat subscription scenarios. So we're trying to avoid using them\n    // incorrectly within this library.\n    return scheduleSubscription;\n  }\n}\n", "/** @prettier */\nimport { MonoTypeOperatorFunction, SchedulerLike } from '../types';\nimport { executeSchedule } from '../util/executeSchedule';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * Re-emits all notifications from source Observable with specified scheduler.\n *\n * <span class=\"informal\">Ensure a specific scheduler is used, from outside of an Observable.</span>\n *\n * `observeOn` is an operator that accepts a scheduler as a first parameter, which will be used to reschedule\n * notifications emitted by the source Observable. It might be useful, if you do not have control over\n * internal scheduler of a given Observable, but want to control when its values are emitted nevertheless.\n *\n * Returned Observable emits the same notifications (nexted values, complete and error events) as the source Observable,\n * but rescheduled with provided scheduler. Note that this doesn't mean that source Observables internal\n * scheduler will be replaced in any way. Original scheduler still will be used, but when the source Observable emits\n * notification, it will be immediately scheduled again - this time with scheduler passed to `observeOn`.\n * An anti-pattern would be calling `observeOn` on Observable that emits lots of values synchronously, to split\n * that emissions into asynchronous chunks. For this to happen, scheduler would have to be passed into the source\n * Observable directly (usually into the operator that creates it). `observeOn` simply delays notifications a\n * little bit more, to ensure that they are emitted at expected moments.\n *\n * As a matter of fact, `observeOn` accepts second parameter, which specifies in milliseconds with what delay notifications\n * will be emitted. The main difference between {@link delay} operator and `observeOn` is that `observeOn`\n * will delay all notifications - including error notifications - while `delay` will pass through error\n * from source Observable immediately when it is emitted. In general it is highly recommended to use `delay` operator\n * for any kind of delaying of values in the stream, while using `observeOn` to specify which scheduler should be used\n * for notification emissions in general.\n *\n * ## Example\n *\n * Ensure values in subscribe are called just before browser repaint\n *\n * ```ts\n * import { interval, observeOn, animationFrameScheduler } from 'rxjs';\n *\n * const someDiv = document.createElement('div');\n * someDiv.style.cssText = 'width: 200px;background: #09c';\n * document.body.appendChild(someDiv);\n * const intervals = interval(10);      // Intervals are scheduled\n *                                      // with async scheduler by default...\n * intervals.pipe(\n *   observeOn(animationFrameScheduler) // ...but we will observe on animationFrame\n * )                                    // scheduler to ensure smooth animation.\n * .subscribe(val => {\n *   someDiv.style.height = val + 'px';\n * });\n * ```\n *\n * @see {@link delay}\n *\n * @param scheduler Scheduler that will be used to reschedule notifications from source Observable.\n * @param delay Number of milliseconds that states with what delay every notification should be rescheduled.\n * @return A function that returns an Observable that emits the same\n * notifications as the source Observable, but with provided scheduler.\n */\nexport function observeOn<T>(scheduler: SchedulerLike, delay = 0): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => executeSchedule(subscriber, scheduler, () => subscriber.next(value), delay),\n        () => executeSchedule(subscriber, scheduler, () => subscriber.complete(), delay),\n        (err) => executeSchedule(subscriber, scheduler, () => subscriber.error(err), delay)\n      )\n    );\n  });\n}\n", "import { MonoTypeOperatorFunction, SchedulerLike } from '../types';\nimport { operate } from '../util/lift';\n\n/**\n * Asynchronously subscribes Observers to this Observable on the specified {@link SchedulerLike}.\n *\n * With `subscribeOn` you can decide what type of scheduler a specific Observable will be using when it is subscribed to.\n *\n * Schedulers control the speed and order of emissions to observers from an Observable stream.\n *\n * ![](subscribeOn.png)\n *\n * ## Example\n *\n * Given the following code:\n *\n * ```ts\n * import { of, merge } from 'rxjs';\n *\n * const a = of(1, 2, 3);\n * const b = of(4, 5, 6);\n *\n * merge(a, b).subscribe(console.log);\n *\n * // Outputs\n * // 1\n * // 2\n * // 3\n * // 4\n * // 5\n * // 6\n * ```\n *\n * Both Observable `a` and `b` will emit their values directly and synchronously once they are subscribed to.\n *\n * If we instead use the `subscribeOn` operator declaring that we want to use the {@link asyncScheduler} for values emitted by Observable `a`:\n *\n * ```ts\n * import { of, subscribeOn, asyncScheduler, merge } from 'rxjs';\n *\n * const a = of(1, 2, 3).pipe(subscribeOn(asyncScheduler));\n * const b = of(4, 5, 6);\n *\n * merge(a, b).subscribe(console.log);\n *\n * // Outputs\n * // 4\n * // 5\n * // 6\n * // 1\n * // 2\n * // 3\n * ```\n *\n * The reason for this is that Observable `b` emits its values directly and synchronously like before\n * but the emissions from `a` are scheduled on the event loop because we are now using the {@link asyncScheduler} for that specific Observable.\n *\n * @param scheduler The {@link SchedulerLike} to perform subscription actions on.\n * @param delay A delay to pass to the scheduler to delay subscriptions\n * @return A function that returns an Observable modified so that its\n * subscriptions happen on the specified {@link SchedulerLike}.\n */\nexport function subscribeOn<T>(scheduler: SchedulerLike, delay: number = 0): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    subscriber.add(scheduler.schedule(() => source.subscribe(subscriber), delay));\n  });\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { observeOn } from '../operators/observeOn';\nimport { subscribeOn } from '../operators/subscribeOn';\nimport { InteropObservable, SchedulerLike } from '../types';\n\nexport function scheduleObservable<T>(input: InteropObservable<T>, scheduler: SchedulerLike) {\n  return innerFrom(input).pipe(subscribeOn(scheduler), observeOn(scheduler));\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { observeOn } from '../operators/observeOn';\nimport { subscribeOn } from '../operators/subscribeOn';\nimport { SchedulerLike } from '../types';\n\nexport function schedulePromise<T>(input: PromiseLike<T>, scheduler: SchedulerLike) {\n  return innerFrom(input).pipe(subscribeOn(scheduler), observeOn(scheduler));\n}\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\n\nexport function scheduleArray<T>(input: ArrayLike<T>, scheduler: SchedulerLike) {\n  return new Observable<T>((subscriber) => {\n    // The current array index.\n    let i = 0;\n    // Start iterating over the array like on a schedule.\n    return scheduler.schedule(function () {\n      if (i === input.length) {\n        // If we have hit the end of the array like in the\n        // previous job, we can complete.\n        subscriber.complete();\n      } else {\n        // Otherwise let's next the value at the current index,\n        // then increment our index.\n        subscriber.next(input[i++]);\n        // If the last emission didn't cause us to close the subscriber\n        // (via take or some side effect), reschedule the job and we'll\n        // make another pass.\n        if (!subscriber.closed) {\n          this.schedule();\n        }\n      }\n    });\n  });\n}\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { isFunction } from '../util/isFunction';\nimport { executeSchedule } from '../util/executeSchedule';\n\n/**\n * Used in {@link scheduled} to create an observable from an Iterable.\n * @param input The iterable to create an observable from\n * @param scheduler The scheduler to use\n */\nexport function scheduleIterable<T>(input: Iterable<T>, scheduler: SchedulerLike) {\n  return new Observable<T>((subscriber) => {\n    let iterator: Iterator<T, T>;\n\n    // Schedule the initial creation of the iterator from\n    // the iterable. This is so the code in the iterable is\n    // not called until the scheduled job fires.\n    executeSchedule(subscriber, scheduler, () => {\n      // Create the iterator.\n      iterator = (input as any)[Symbol_iterator]();\n\n      executeSchedule(\n        subscriber,\n        scheduler,\n        () => {\n          let value: T;\n          let done: boolean | undefined;\n          try {\n            // Pull the value out of the iterator\n            ({ value, done } = iterator.next());\n          } catch (err) {\n            // We got an error while pulling from the iterator\n            subscriber.error(err);\n            return;\n          }\n\n          if (done) {\n            // If it is \"done\" we just complete. This mimics the\n            // behavior of JavaScript's `for..of` consumption of\n            // iterables, which will not emit the value from an iterator\n            // result of `{ done: true: value: 'here' }`.\n            subscriber.complete();\n          } else {\n            // The iterable is not done, emit the value.\n            subscriber.next(value);\n          }\n        },\n        0,\n        true\n      );\n    });\n\n    // During finalization, if we see this iterator has a `return` method,\n    // then we know it is a Generator, and not just an Iterator. So we call\n    // the `return()` function. This will ensure that any `finally { }` blocks\n    // inside of the generator we can hit will be hit properly.\n    return () => isFunction(iterator?.return) && iterator.return();\n  });\n}\n", "import { SchedulerLike } from '../types';\nimport { Observable } from '../Observable';\nimport { executeSchedule } from '../util/executeSchedule';\n\nexport function scheduleAsyncIterable<T>(input: AsyncIterable<T>, scheduler: SchedulerLike) {\n  if (!input) {\n    throw new Error('Iterable cannot be null');\n  }\n  return new Observable<T>((subscriber) => {\n    executeSchedule(subscriber, scheduler, () => {\n      const iterator = input[Symbol.asyncIterator]();\n      executeSchedule(\n        subscriber,\n        scheduler,\n        () => {\n          iterator.next().then((result) => {\n            if (result.done) {\n              // This will remove the subscriptions from\n              // the parent subscription.\n              subscriber.complete();\n            } else {\n              subscriber.next(result.value);\n            }\n          });\n        },\n        0,\n        true\n      );\n    });\n  });\n}\n", "import { SchedulerLike, ReadableStreamLike } from '../types';\nimport { Observable } from '../Observable';\nimport { scheduleAsyncIterable } from './scheduleAsyncIterable';\nimport { readableStreamLikeToAsyncGenerator } from '../util/isReadableStreamLike';\n\nexport function scheduleReadableStreamLike<T>(input: ReadableStreamLike<T>, scheduler: SchedulerLike): Observable<T> {\n  return scheduleAsyncIterable(readableStreamLikeToAsyncGenerator(input), scheduler);\n}\n", "import { scheduleObservable } from './scheduleObservable';\nimport { schedulePromise } from './schedulePromise';\nimport { scheduleArray } from './scheduleArray';\nimport { scheduleIterable } from './scheduleIterable';\nimport { scheduleAsyncIterable } from './scheduleAsyncIterable';\nimport { isInteropObservable } from '../util/isInteropObservable';\nimport { isPromise } from '../util/isPromise';\nimport { isArrayLike } from '../util/isArrayLike';\nimport { isIterable } from '../util/isIterable';\nimport { ObservableInput, SchedulerLike } from '../types';\nimport { Observable } from '../Observable';\nimport { isAsyncIterable } from '../util/isAsyncIterable';\nimport { createInvalidObservableTypeError } from '../util/throwUnobservableError';\nimport { isReadableStreamLike } from '../util/isReadableStreamLike';\nimport { scheduleReadableStreamLike } from './scheduleReadableStreamLike';\n\n/**\n * Converts from a common {@link ObservableInput} type to an observable where subscription and emissions\n * are scheduled on the provided scheduler.\n *\n * @see {@link from}\n * @see {@link of}\n *\n * @param input The observable, array, promise, iterable, etc you would like to schedule\n * @param scheduler The scheduler to use to schedule the subscription and emissions from\n * the returned observable.\n */\nexport function scheduled<T>(input: ObservableInput<T>, scheduler: SchedulerLike): Observable<T> {\n  if (input != null) {\n    if (isInteropObservable(input)) {\n      return scheduleObservable(input, scheduler);\n    }\n    if (isArrayLike(input)) {\n      return scheduleArray(input, scheduler);\n    }\n    if (isPromise(input)) {\n      return schedulePromise(input, scheduler);\n    }\n    if (isAsyncIterable(input)) {\n      return scheduleAsyncIterable(input, scheduler);\n    }\n    if (isIterable(input)) {\n      return scheduleIterable(input, scheduler);\n    }\n    if (isReadableStreamLike(input)) {\n      return scheduleReadableStreamLike(input, scheduler);\n    }\n  }\n  throw createInvalidObservableTypeError(input);\n}\n", "import { Observable } from '../Observable';\nimport { ObservableInput, SchedulerLike, ObservedValueOf } from '../types';\nimport { scheduled } from '../scheduled/scheduled';\nimport { innerFrom } from './innerFrom';\n\nexport function from<O extends ObservableInput<any>>(input: O): Observable<ObservedValueOf<O>>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function from<O extends ObservableInput<any>>(input: O, scheduler: SchedulerLike | undefined): Observable<ObservedValueOf<O>>;\n\n/**\n * Creates an Observable from an Array, an array-like object, a Promise, an iterable object, or an Observable-like object.\n *\n * <span class=\"informal\">Converts almost anything to an Observable.</span>\n *\n * ![](from.png)\n *\n * `from` converts various other objects and data types into Observables. It also converts a Promise, an array-like, or an\n * <a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols#iterable\" target=\"_blank\">iterable</a>\n * object into an Observable that emits the items in that promise, array, or iterable. A String, in this context, is treated\n * as an array of characters. Observable-like objects (contains a function named with the ES2015 Symbol for Observable) can also be\n * converted through this operator.\n *\n * ## Examples\n *\n * Converts an array to an Observable\n *\n * ```ts\n * import { from } from 'rxjs';\n *\n * const array = [10, 20, 30];\n * const result = from(array);\n *\n * result.subscribe(x => console.log(x));\n *\n * // Logs:\n * // 10\n * // 20\n * // 30\n * ```\n *\n * Convert an infinite iterable (from a generator) to an Observable\n *\n * ```ts\n * import { from, take } from 'rxjs';\n *\n * function* generateDoubles(seed) {\n *    let i = seed;\n *    while (true) {\n *      yield i;\n *      i = 2 * i; // double it\n *    }\n * }\n *\n * const iterator = generateDoubles(3);\n * const result = from(iterator).pipe(take(10));\n *\n * result.subscribe(x => console.log(x));\n *\n * // Logs:\n * // 3\n * // 6\n * // 12\n * // 24\n * // 48\n * // 96\n * // 192\n * // 384\n * // 768\n * // 1536\n * ```\n *\n * With `asyncScheduler`\n *\n * ```ts\n * import { from, asyncScheduler } from 'rxjs';\n *\n * console.log('start');\n *\n * const array = [10, 20, 30];\n * const result = from(array, asyncScheduler);\n *\n * result.subscribe(x => console.log(x));\n *\n * console.log('end');\n *\n * // Logs:\n * // 'start'\n * // 'end'\n * // 10\n * // 20\n * // 30\n * ```\n *\n * @see {@link fromEvent}\n * @see {@link fromEventPattern}\n *\n * @param input A subscription object, a Promise, an Observable-like,\n * an Array, an iterable, or an array-like object to be converted.\n * @param scheduler An optional {@link SchedulerLike} on which to schedule the emission of values.\n * @return An Observable converted from {@link ObservableInput}.\n */\nexport function from<T>(input: ObservableInput<T>, scheduler?: SchedulerLike): Observable<T> {\n  return scheduler ? scheduled(input, scheduler) : innerFrom(input);\n}\n", "import { SchedulerLike, ValueFromArray } from '../types';\nimport { Observable } from '../Observable';\nimport { popScheduler } from '../util/args';\nimport { from } from './from';\n\n// Devs are more likely to pass null or undefined than they are a scheduler\n// without accompanying values. To make things easier for (naughty) devs who\n// use the `strictNullChecks: false` TypeScript compiler option, these\n// overloads with explicit null and undefined values are included.\n\nexport function of(value: null): Observable<null>;\nexport function of(value: undefined): Observable<undefined>;\n\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function of(scheduler: SchedulerLike): Observable<never>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function of<A extends readonly unknown[]>(...valuesAndScheduler: [...A, SchedulerLike]): Observable<ValueFromArray<A>>;\n\nexport function of(): Observable<never>;\n/** @deprecated Do not specify explicit type parameters. Signatures with type parameters that cannot be inferred will be removed in v8. */\nexport function of<T>(): Observable<T>;\nexport function of<T>(value: T): Observable<T>;\nexport function of<A extends readonly unknown[]>(...values: A): Observable<ValueFromArray<A>>;\n\n/**\n * Converts the arguments to an observable sequence.\n *\n * <span class=\"informal\">Each argument becomes a `next` notification.</span>\n *\n * ![](of.png)\n *\n * Unlike {@link from}, it does not do any flattening and emits each argument in whole\n * as a separate `next` notification.\n *\n * ## Examples\n *\n * Emit the values `10, 20, 30`\n *\n * ```ts\n * import { of } from 'rxjs';\n *\n * of(10, 20, 30)\n *   .subscribe({\n *     next: value => console.log('next:', value),\n *     error: err => console.log('error:', err),\n *     complete: () => console.log('the end'),\n *   });\n *\n * // Outputs\n * // next: 10\n * // next: 20\n * // next: 30\n * // the end\n * ```\n *\n * Emit the array `[1, 2, 3]`\n *\n * ```ts\n * import { of } from 'rxjs';\n *\n * of([1, 2, 3])\n *   .subscribe({\n *     next: value => console.log('next:', value),\n *     error: err => console.log('error:', err),\n *     complete: () => console.log('the end'),\n *   });\n *\n * // Outputs\n * // next: [1, 2, 3]\n * // the end\n * ```\n *\n * @see {@link from}\n * @see {@link range}\n *\n * @param args A comma separated list of arguments you want to be emitted.\n * @return An Observable that synchronously emits the arguments described\n * above and then immediately completes.\n */\nexport function of<T>(...args: Array<T | SchedulerLike>): Observable<T> {\n  const scheduler = popScheduler(args);\n  return from(args as T[], scheduler);\n}\n", "import { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { SchedulerLike } from '../types';\nimport { isFunction } from '../util/isFunction';\n\n/**\n * Creates an observable that will create an error instance and push it to the consumer as an error\n * immediately upon subscription.\n *\n * <span class=\"informal\">Just errors and does nothing else</span>\n *\n * ![](throw.png)\n *\n * This creation function is useful for creating an observable that will create an error and error every\n * time it is subscribed to. Generally, inside of most operators when you might want to return an errored\n * observable, this is unnecessary. In most cases, such as in the inner return of {@link concatMap},\n * {@link mergeMap}, {@link defer}, and many others, you can simply throw the error, and RxJS will pick\n * that up and notify the consumer of the error.\n *\n * ## Example\n *\n * Create a simple observable that will create a new error with a timestamp and log it\n * and the message every time you subscribe to it\n *\n * ```ts\n * import { throwError } from 'rxjs';\n *\n * let errorCount = 0;\n *\n * const errorWithTimestamp$ = throwError(() => {\n *   const error: any = new Error(`This is error number ${ ++errorCount }`);\n *   error.timestamp = Date.now();\n *   return error;\n * });\n *\n * errorWithTimestamp$.subscribe({\n *   error: err => console.log(err.timestamp, err.message)\n * });\n *\n * errorWithTimestamp$.subscribe({\n *   error: err => console.log(err.timestamp, err.message)\n * });\n *\n * // Logs the timestamp and a new error message for each subscription\n * ```\n *\n * ### Unnecessary usage\n *\n * Using `throwError` inside of an operator or creation function\n * with a callback, is usually not necessary\n *\n * ```ts\n * import { of, concatMap, timer, throwError } from 'rxjs';\n *\n * const delays$ = of(1000, 2000, Infinity, 3000);\n *\n * delays$.pipe(\n *   concatMap(ms => {\n *     if (ms < 10000) {\n *       return timer(ms);\n *     } else {\n *       // This is probably overkill.\n *       return throwError(() => new Error(`Invalid time ${ ms }`));\n *     }\n *   })\n * )\n * .subscribe({\n *   next: console.log,\n *   error: console.error\n * });\n * ```\n *\n * You can just throw the error instead\n *\n * ```ts\n * import { of, concatMap, timer } from 'rxjs';\n *\n * const delays$ = of(1000, 2000, Infinity, 3000);\n *\n * delays$.pipe(\n *   concatMap(ms => {\n *     if (ms < 10000) {\n *       return timer(ms);\n *     } else {\n *       // Cleaner and easier to read for most folks.\n *       throw new Error(`Invalid time ${ ms }`);\n *     }\n *   })\n * )\n * .subscribe({\n *   next: console.log,\n *   error: console.error\n * });\n * ```\n *\n * @param errorFactory A factory function that will create the error instance that is pushed.\n */\nexport function throwError(errorFactory: () => any): Observable<never>;\n\n/**\n * Returns an observable that will error with the specified error immediately upon subscription.\n *\n * @param error The error instance to emit\n * @deprecated Support for passing an error value will be removed in v8. Instead, pass a factory function to `throwError(() => new Error('test'))`. This is\n * because it will create the error at the moment it should be created and capture a more appropriate stack trace. If\n * for some reason you need to create the error ahead of time, you can still do that: `const err = new Error('test'); throwError(() => err);`.\n */\nexport function throwError(error: any): Observable<never>;\n\n/**\n * Notifies the consumer of an error using a given scheduler by scheduling it at delay `0` upon subscription.\n *\n * @param errorOrErrorFactory An error instance or error factory\n * @param scheduler A scheduler to use to schedule the error notification\n * @deprecated The `scheduler` parameter will be removed in v8.\n * Use `throwError` in combination with {@link observeOn}: `throwError(() => new Error('test')).pipe(observeOn(scheduler));`.\n * Details: https://rxjs.dev/deprecations/scheduler-argument\n */\nexport function throwError(errorOrErrorFactory: any, scheduler: SchedulerLike): Observable<never>;\n\nexport function throwError(errorOrErrorFactory: any, scheduler?: SchedulerLike): Observable<never> {\n  const errorFactory = isFunction(errorOrErrorFactory) ? errorOrErrorFactory : () => errorOrErrorFactory;\n  const init = (subscriber: Subscriber<never>) => subscriber.error(errorFactory());\n  return new Observable(scheduler ? (subscriber) => scheduler.schedule(init as any, 0, subscriber) : init);\n}\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface EmptyError extends Error {}\n\nexport interface EmptyErrorCtor {\n  /**\n   * @deprecated Internal implementation detail. Do not construct error instances.\n   * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n   */\n  new (): EmptyError;\n}\n\n/**\n * An error thrown when an Observable or a sequence was queried but has no\n * elements.\n *\n * @see {@link first}\n * @see {@link last}\n * @see {@link single}\n * @see {@link firstValueFrom}\n * @see {@link lastValueFrom}\n */\nexport const EmptyError: EmptyErrorCtor = createErrorClass(\n  (_super) =>\n    function EmptyErrorImpl(this: any) {\n      _super(this);\n      this.name = 'EmptyError';\n      this.message = 'no elements in sequence';\n    }\n);\n", "/**\n * Checks to see if a value is not only a `Date` object,\n * but a *valid* `Date` object that can be converted to a\n * number. For example, `new Date('blah')` is indeed an\n * `instanceof Date`, however it cannot be converted to a\n * number.\n */\nexport function isValidDate(value: any): value is Date {\n  return value instanceof Date && !isNaN(value as any);\n}\n", "import { OperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\nexport function map<T, R>(project: (value: T, index: number) => R): OperatorFunction<T, R>;\n/** @deprecated Use a closure instead of a `thisArg`. Signatures accepting a `thisArg` will be removed in v8. */\nexport function map<T, R, A>(project: (this: A, value: T, index: number) => R, thisArg: A): OperatorFunction<T, R>;\n\n/**\n * Applies a given `project` function to each value emitted by the source\n * Observable, and emits the resulting values as an Observable.\n *\n * <span class=\"informal\">Like [Array.prototype.map()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map),\n * it passes each source value through a transformation function to get\n * corresponding output values.</span>\n *\n * ![](map.png)\n *\n * Similar to the well known `Array.prototype.map` function, this operator\n * applies a projection to each value and emits that projection in the output\n * Observable.\n *\n * ## Example\n *\n * Map every click to the `clientX` position of that click\n *\n * ```ts\n * import { fromEvent, map } from 'rxjs';\n *\n * const clicks = fromEvent<PointerEvent>(document, 'click');\n * const positions = clicks.pipe(map(ev => ev.clientX));\n *\n * positions.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link mapTo}\n * @see {@link pluck}\n *\n * @param project The function to apply to each `value` emitted by the source\n * Observable. The `index` parameter is the number `i` for the i-th emission\n * that has happened since the subscription, starting from the number `0`.\n * @param thisArg An optional argument to define what `this` is in the\n * `project` function.\n * @return A function that returns an Observable that emits the values from the\n * source Observable transformed by the given `project` function.\n */\nexport function map<T, R>(project: (value: T, index: number) => R, thisArg?: any): OperatorFunction<T, R> {\n  return operate((source, subscriber) => {\n    // The index of the value from the source. Used with projection.\n    let index = 0;\n    // Subscribe to the source, all errors and completions are sent along\n    // to the consumer.\n    source.subscribe(\n      createOperatorSubscriber(subscriber, (value: T) => {\n        // Call the projection function with the appropriate this context,\n        // and send the resulting value to the consumer.\n        subscriber.next(project.call(thisArg, value, index++));\n      })\n    );\n  });\n}\n", "import { OperatorFunction } from \"../types\";\nimport { map } from \"../operators/map\";\n\nconst { isArray } = Array;\n\nfunction callOrApply<T, R>(fn: ((...values: T[]) => R), args: T|T[]): R {\n    return isArray(args) ? fn(...args) : fn(args);\n}\n\n/**\n * Used in several -- mostly deprecated -- situations where we need to \n * apply a list of arguments or a single argument to a result selector.\n */\nexport function mapOneOrManyArgs<T, R>(fn: ((...values: T[]) => R)): OperatorFunction<T|T[], R> {\n    return map(args => callOrApply(fn, args))\n}", "const { isArray } = Array;\nconst { getPrototypeOf, prototype: objectProto, keys: getKeys } = Object;\n\n/**\n * Used in functions where either a list of arguments, a single array of arguments, or a\n * dictionary of arguments can be returned. Returns an object with an `args` property with\n * the arguments in an array, if it is a dictionary, it will also return the `keys` in another\n * property.\n */\nexport function argsArgArrayOrObject<T, O extends Record<string, T>>(args: T[] | [O] | [T[]]): { args: T[]; keys: string[] | null } {\n  if (args.length === 1) {\n    const first = args[0];\n    if (isArray(first)) {\n      return { args: first, keys: null };\n    }\n    if (isPOJO(first)) {\n      const keys = getKeys(first);\n      return {\n        args: keys.map((key) => first[key]),\n        keys,\n      };\n    }\n  }\n\n  return { args: args as T[], keys: null };\n}\n\nfunction isPOJO(obj: any): obj is object {\n  return obj && typeof obj === 'object' && getPrototypeOf(obj) === objectProto;\n}\n", "export function createObject(keys: string[], values: any[]) {\n  return keys.reduce((result, key, i) => ((result[key] = values[i]), result), {} as any);\n}\n", "import { Observable } from '../Observable';\nimport { ObservableInput, SchedulerLike, ObservedValueOf, ObservableInputTuple } from '../types';\nimport { argsArgArrayOrObject } from '../util/argsArgArrayOrObject';\nimport { Subscriber } from '../Subscriber';\nimport { from } from './from';\nimport { identity } from '../util/identity';\nimport { Subscription } from '../Subscription';\nimport { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';\nimport { popResultSelector, popScheduler } from '../util/args';\nimport { createObject } from '../util/createObject';\nimport { createOperatorSubscriber } from '../operators/OperatorSubscriber';\nimport { AnyCatcher } from '../AnyCatcher';\nimport { executeSchedule } from '../util/executeSchedule';\n\n// combineLatest(any)\n// We put this first because we need to catch cases where the user has supplied\n// _exactly `any`_ as the argument. Since `any` literally matches _anything_,\n// we don't want it to randomly hit one of the other type signatures below,\n// as we have no idea at build-time what type we should be returning when given an any.\n\n/**\n * You have passed `any` here, we can't figure out if it is\n * an array or an object, so you're getting `unknown`. Use better types.\n * @param arg Something typed as `any`\n */\nexport function combineLatest<T extends AnyCatcher>(arg: T): Observable<unknown>;\n\n// combineLatest([a, b, c])\nexport function combineLatest(sources: []): Observable<never>;\nexport function combineLatest<A extends readonly unknown[]>(sources: readonly [...ObservableInputTuple<A>]): Observable<A>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `combineLatestAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function combineLatest<A extends readonly unknown[], R>(\n  sources: readonly [...ObservableInputTuple<A>],\n  resultSelector: (...values: A) => R,\n  scheduler: SchedulerLike\n): Observable<R>;\nexport function combineLatest<A extends readonly unknown[], R>(\n  sources: readonly [...ObservableInputTuple<A>],\n  resultSelector: (...values: A) => R\n): Observable<R>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `combineLatestAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function combineLatest<A extends readonly unknown[]>(\n  sources: readonly [...ObservableInputTuple<A>],\n  scheduler: SchedulerLike\n): Observable<A>;\n\n// combineLatest(a, b, c)\n/** @deprecated Pass an array of sources instead. The rest-parameters signature will be removed in v8. Details: https://rxjs.dev/deprecations/array-argument */\nexport function combineLatest<A extends readonly unknown[]>(...sources: [...ObservableInputTuple<A>]): Observable<A>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `combineLatestAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function combineLatest<A extends readonly unknown[], R>(\n  ...sourcesAndResultSelectorAndScheduler: [...ObservableInputTuple<A>, (...values: A) => R, SchedulerLike]\n): Observable<R>;\n/** @deprecated Pass an array of sources instead. The rest-parameters signature will be removed in v8. Details: https://rxjs.dev/deprecations/array-argument */\nexport function combineLatest<A extends readonly unknown[], R>(\n  ...sourcesAndResultSelector: [...ObservableInputTuple<A>, (...values: A) => R]\n): Observable<R>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `combineLatestAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function combineLatest<A extends readonly unknown[]>(\n  ...sourcesAndScheduler: [...ObservableInputTuple<A>, SchedulerLike]\n): Observable<A>;\n\n// combineLatest({a, b, c})\nexport function combineLatest(sourcesObject: { [K in any]: never }): Observable<never>;\nexport function combineLatest<T extends Record<string, ObservableInput<any>>>(\n  sourcesObject: T\n): Observable<{ [K in keyof T]: ObservedValueOf<T[K]> }>;\n\n/**\n * Combines multiple Observables to create an Observable whose values are\n * calculated from the latest values of each of its input Observables.\n *\n * <span class=\"informal\">Whenever any input Observable emits a value, it\n * computes a formula using the latest values from all the inputs, then emits\n * the output of that formula.</span>\n *\n * ![](combineLatest.png)\n *\n * `combineLatest` combines the values from all the Observables passed in the\n * observables array. This is done by subscribing to each Observable in order and,\n * whenever any Observable emits, collecting an array of the most recent\n * values from each Observable. So if you pass `n` Observables to this operator,\n * the returned Observable will always emit an array of `n` values, in an order\n * corresponding to the order of the passed Observables (the value from the first Observable\n * will be at index 0 of the array and so on).\n *\n * Static version of `combineLatest` accepts an array of Observables. Note that an array of\n * Observables is a good choice, if you don't know beforehand how many Observables\n * you will combine. Passing an empty array will result in an Observable that\n * completes immediately.\n *\n * To ensure the output array always has the same length, `combineLatest` will\n * actually wait for all input Observables to emit at least once,\n * before it starts emitting results. This means if some Observable emits\n * values before other Observables started emitting, all these values but the last\n * will be lost. On the other hand, if some Observable does not emit a value but\n * completes, resulting Observable will complete at the same moment without\n * emitting anything, since it will now be impossible to include a value from the\n * completed Observable in the resulting array. Also, if some input Observable does\n * not emit any value and never completes, `combineLatest` will also never emit\n * and never complete, since, again, it will wait for all streams to emit some\n * value.\n *\n * If at least one Observable was passed to `combineLatest` and all passed Observables\n * emitted something, the resulting Observable will complete when all combined\n * streams complete. So even if some Observable completes, the result of\n * `combineLatest` will still emit values when other Observables do. In case\n * of a completed Observable, its value from now on will always be the last\n * emitted value. On the other hand, if any Observable errors, `combineLatest`\n * will error immediately as well, and all other Observables will be unsubscribed.\n *\n * ## Examples\n *\n * Combine two timer Observables\n *\n * ```ts\n * import { timer, combineLatest } from 'rxjs';\n *\n * const firstTimer = timer(0, 1000); // emit 0, 1, 2... after every second, starting from now\n * const secondTimer = timer(500, 1000); // emit 0, 1, 2... after every second, starting 0,5s from now\n * const combinedTimers = combineLatest([firstTimer, secondTimer]);\n * combinedTimers.subscribe(value => console.log(value));\n * // Logs\n * // [0, 0] after 0.5s\n * // [1, 0] after 1s\n * // [1, 1] after 1.5s\n * // [2, 1] after 2s\n * ```\n *\n * Combine a dictionary of Observables\n *\n * ```ts\n * import { of, delay, startWith, combineLatest } from 'rxjs';\n *\n * const observables = {\n *   a: of(1).pipe(delay(1000), startWith(0)),\n *   b: of(5).pipe(delay(5000), startWith(0)),\n *   c: of(10).pipe(delay(10000), startWith(0))\n * };\n * const combined = combineLatest(observables);\n * combined.subscribe(value => console.log(value));\n * // Logs\n * // { a: 0, b: 0, c: 0 } immediately\n * // { a: 1, b: 0, c: 0 } after 1s\n * // { a: 1, b: 5, c: 0 } after 5s\n * // { a: 1, b: 5, c: 10 } after 10s\n * ```\n *\n * Combine an array of Observables\n *\n * ```ts\n * import { of, delay, startWith, combineLatest } from 'rxjs';\n *\n * const observables = [1, 5, 10].map(\n *   n => of(n).pipe(\n *     delay(n * 1000), // emit 0 and then emit n after n seconds\n *     startWith(0)\n *   )\n * );\n * const combined = combineLatest(observables);\n * combined.subscribe(value => console.log(value));\n * // Logs\n * // [0, 0, 0] immediately\n * // [1, 0, 0] after 1s\n * // [1, 5, 0] after 5s\n * // [1, 5, 10] after 10s\n * ```\n *\n * Use map operator to dynamically calculate the Body-Mass Index\n *\n * ```ts\n * import { of, combineLatest, map } from 'rxjs';\n *\n * const weight = of(70, 72, 76, 79, 75);\n * const height = of(1.76, 1.77, 1.78);\n * const bmi = combineLatest([weight, height]).pipe(\n *   map(([w, h]) => w / (h * h)),\n * );\n * bmi.subscribe(x => console.log('BMI is ' + x));\n *\n * // With output to console:\n * // BMI is 24.212293388429753\n * // BMI is 23.93948099205209\n * // BMI is 23.671253629592222\n * ```\n *\n * @see {@link combineLatestAll}\n * @see {@link merge}\n * @see {@link withLatestFrom}\n *\n * @param args Any number of `ObservableInput`s provided either as an array or as an object\n * to combine with each other. If the last parameter is the function, it will be used to project the\n * values from the combined latest values into a new value on the output Observable.\n * @return An Observable of projected values from the most recent values from each `ObservableInput`,\n * or an array of the most recent values from each `ObservableInput`.\n */\nexport function combineLatest<O extends ObservableInput<any>, R>(...args: any[]): Observable<R> | Observable<ObservedValueOf<O>[]> {\n  const scheduler = popScheduler(args);\n  const resultSelector = popResultSelector(args);\n\n  const { args: observables, keys } = argsArgArrayOrObject(args);\n\n  if (observables.length === 0) {\n    // If no observables are passed, or someone has passed an empty array\n    // of observables, or even an empty object POJO, we need to just\n    // complete (EMPTY), but we have to honor the scheduler provided if any.\n    return from([], scheduler as any);\n  }\n\n  const result = new Observable<ObservedValueOf<O>[]>(\n    combineLatestInit(\n      observables as ObservableInput<ObservedValueOf<O>>[],\n      scheduler,\n      keys\n        ? // A handler for scrubbing the array of args into a dictionary.\n          (values) => createObject(keys, values)\n        : // A passthrough to just return the array\n          identity\n    )\n  );\n\n  return resultSelector ? (result.pipe(mapOneOrManyArgs(resultSelector)) as Observable<R>) : result;\n}\n\nexport function combineLatestInit(\n  observables: ObservableInput<any>[],\n  scheduler?: SchedulerLike,\n  valueTransform: (values: any[]) => any = identity\n) {\n  return (subscriber: Subscriber<any>) => {\n    // The outer subscription. We're capturing this in a function\n    // because we may have to schedule it.\n    maybeSchedule(\n      scheduler,\n      () => {\n        const { length } = observables;\n        // A store for the values each observable has emitted so far. We match observable to value on index.\n        const values = new Array(length);\n        // The number of currently active subscriptions, as they complete, we decrement this number to see if\n        // we are all done combining values, so we can complete the result.\n        let active = length;\n        // The number of inner sources that still haven't emitted the first value\n        // We need to track this because all sources need to emit one value in order\n        // to start emitting values.\n        let remainingFirstValues = length;\n        // The loop to kick off subscription. We're keying everything on index `i` to relate the observables passed\n        // in to the slot in the output array or the key in the array of keys in the output dictionary.\n        for (let i = 0; i < length; i++) {\n          maybeSchedule(\n            scheduler,\n            () => {\n              const source = from(observables[i], scheduler as any);\n              let hasFirstValue = false;\n              source.subscribe(\n                createOperatorSubscriber(\n                  subscriber,\n                  (value) => {\n                    // When we get a value, record it in our set of values.\n                    values[i] = value;\n                    if (!hasFirstValue) {\n                      // If this is our first value, record that.\n                      hasFirstValue = true;\n                      remainingFirstValues--;\n                    }\n                    if (!remainingFirstValues) {\n                      // We're not waiting for any more\n                      // first values, so we can emit!\n                      subscriber.next(valueTransform(values.slice()));\n                    }\n                  },\n                  () => {\n                    if (!--active) {\n                      // We only complete the result if we have no more active\n                      // inner observables.\n                      subscriber.complete();\n                    }\n                  }\n                )\n              );\n            },\n            subscriber\n          );\n        }\n      },\n      subscriber\n    );\n  };\n}\n\n/**\n * A small utility to handle the couple of locations where we want to schedule if a scheduler was provided,\n * but we don't if there was no scheduler.\n */\nfunction maybeSchedule(scheduler: SchedulerLike | undefined, execute: () => void, subscription: Subscription) {\n  if (scheduler) {\n    executeSchedule(subscription, scheduler, execute);\n  } else {\n    execute();\n  }\n}\n", "import { Observable } from '../Observable';\nimport { innerFrom } from '../observable/innerFrom';\nimport { Subscriber } from '../Subscriber';\nimport { ObservableInput, SchedulerLike } from '../types';\nimport { executeSchedule } from '../util/executeSchedule';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * A process embodying the general \"merge\" strategy. This is used in\n * `mergeMap` and `mergeScan` because the logic is otherwise nearly identical.\n * @param source The original source observable\n * @param subscriber The consumer subscriber\n * @param project The projection function to get our inner sources\n * @param concurrent The number of concurrent inner subscriptions\n * @param onBeforeNext Additional logic to apply before nexting to our consumer\n * @param expand If `true` this will perform an \"expand\" strategy, which differs only\n * in that it recurses, and the inner subscription must be schedule-able.\n * @param innerSubScheduler A scheduler to use to schedule inner subscriptions,\n * this is to support the expand strategy, mostly, and should be deprecated\n */\nexport function mergeInternals<T, R>(\n  source: Observable<T>,\n  subscriber: Subscriber<R>,\n  project: (value: T, index: number) => ObservableInput<R>,\n  concurrent: number,\n  onBeforeNext?: (innerValue: R) => void,\n  expand?: boolean,\n  innerSubScheduler?: SchedulerLike,\n  additionalFinalizer?: () => void\n) {\n  // Buffered values, in the event of going over our concurrency limit\n  const buffer: T[] = [];\n  // The number of active inner subscriptions.\n  let active = 0;\n  // An index to pass to our accumulator function\n  let index = 0;\n  // Whether or not the outer source has completed.\n  let isComplete = false;\n\n  /**\n   * Checks to see if we can complete our result or not.\n   */\n  const checkComplete = () => {\n    // If the outer has completed, and nothing is left in the buffer,\n    // and we don't have any active inner subscriptions, then we can\n    // Emit the state and complete.\n    if (isComplete && !buffer.length && !active) {\n      subscriber.complete();\n    }\n  };\n\n  // If we're under our concurrency limit, just start the inner subscription, otherwise buffer and wait.\n  const outerNext = (value: T) => (active < concurrent ? doInnerSub(value) : buffer.push(value));\n\n  const doInnerSub = (value: T) => {\n    // If we're expanding, we need to emit the outer values and the inner values\n    // as the inners will \"become outers\" in a way as they are recursively fed\n    // back to the projection mechanism.\n    expand && subscriber.next(value as any);\n\n    // Increment the number of active subscriptions so we can track it\n    // against our concurrency limit later.\n    active++;\n\n    // A flag used to show that the inner observable completed.\n    // This is checked during finalization to see if we should\n    // move to the next item in the buffer, if there is on.\n    let innerComplete = false;\n\n    // Start our inner subscription.\n    innerFrom(project(value, index++)).subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (innerValue) => {\n          // `mergeScan` has additional handling here. For example\n          // taking the inner value and updating state.\n          onBeforeNext?.(innerValue);\n\n          if (expand) {\n            // If we're expanding, then just recurse back to our outer\n            // handler. It will emit the value first thing.\n            outerNext(innerValue as any);\n          } else {\n            // Otherwise, emit the inner value.\n            subscriber.next(innerValue);\n          }\n        },\n        () => {\n          // Flag that we have completed, so we know to check the buffer\n          // during finalization.\n          innerComplete = true;\n        },\n        // Errors are passed to the destination.\n        undefined,\n        () => {\n          // During finalization, if the inner completed (it wasn't errored or\n          // cancelled), then we want to try the next item in the buffer if\n          // there is one.\n          if (innerComplete) {\n            // We have to wrap this in a try/catch because it happens during\n            // finalization, possibly asynchronously, and we want to pass\n            // any errors that happen (like in a projection function) to\n            // the outer Subscriber.\n            try {\n              // INNER SOURCE COMPLETE\n              // Decrement the active count to ensure that the next time\n              // we try to call `doInnerSub`, the number is accurate.\n              active--;\n              // If we have more values in the buffer, try to process those\n              // Note that this call will increment `active` ahead of the\n              // next conditional, if there were any more inner subscriptions\n              // to start.\n              while (buffer.length && active < concurrent) {\n                const bufferedValue = buffer.shift()!;\n                // Particularly for `expand`, we need to check to see if a scheduler was provided\n                // for when we want to start our inner subscription. Otherwise, we just start\n                // are next inner subscription.\n                if (innerSubScheduler) {\n                  executeSchedule(subscriber, innerSubScheduler, () => doInnerSub(bufferedValue));\n                } else {\n                  doInnerSub(bufferedValue);\n                }\n              }\n              // Check to see if we can complete, and complete if so.\n              checkComplete();\n            } catch (err) {\n              subscriber.error(err);\n            }\n          }\n        }\n      )\n    );\n  };\n\n  // Subscribe to our source observable.\n  source.subscribe(\n    createOperatorSubscriber(subscriber, outerNext, () => {\n      // Outer completed, make a note of it, and check to see if we can complete everything.\n      isComplete = true;\n      checkComplete();\n    })\n  );\n\n  // Additional finalization (for when the destination is torn down).\n  // Other finalization is added implicitly via subscription above.\n  return () => {\n    additionalFinalizer?.();\n  };\n}\n", "import { ObservableInput, OperatorFunction, ObservedValueOf } from '../types';\nimport { map } from './map';\nimport { innerFrom } from '../observable/innerFrom';\nimport { operate } from '../util/lift';\nimport { mergeInternals } from './mergeInternals';\nimport { isFunction } from '../util/isFunction';\n\n/* tslint:disable:max-line-length */\nexport function mergeMap<T, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  concurrent?: number\n): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated The `resultSelector` parameter will be removed in v8. Use an inner `map` instead. Details: https://rxjs.dev/deprecations/resultSelector */\nexport function mergeMap<T, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector: undefined,\n  concurrent?: number\n): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated The `resultSelector` parameter will be removed in v8. Use an inner `map` instead. Details: https://rxjs.dev/deprecations/resultSelector */\nexport function mergeMap<T, R, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R,\n  concurrent?: number\n): OperatorFunction<T, R>;\n/* tslint:enable:max-line-length */\n\n/**\n * Projects each source value to an Observable which is merged in the output\n * Observable.\n *\n * <span class=\"informal\">Maps each value to an Observable, then flattens all of\n * these inner Observables using {@link mergeAll}.</span>\n *\n * ![](mergeMap.png)\n *\n * Returns an Observable that emits items based on applying a function that you\n * supply to each item emitted by the source Observable, where that function\n * returns an Observable, and then merging those resulting Observables and\n * emitting the results of this merger.\n *\n * ## Example\n *\n * Map and flatten each letter to an Observable ticking every 1 second\n *\n * ```ts\n * import { of, mergeMap, interval, map } from 'rxjs';\n *\n * const letters = of('a', 'b', 'c');\n * const result = letters.pipe(\n *   mergeMap(x => interval(1000).pipe(map(i => x + i)))\n * );\n *\n * result.subscribe(x => console.log(x));\n *\n * // Results in the following:\n * // a0\n * // b0\n * // c0\n * // a1\n * // b1\n * // c1\n * // continues to list a, b, c every second with respective ascending integers\n * ```\n *\n * @see {@link concatMap}\n * @see {@link exhaustMap}\n * @see {@link merge}\n * @see {@link mergeAll}\n * @see {@link mergeMapTo}\n * @see {@link mergeScan}\n * @see {@link switchMap}\n *\n * @param project A function that, when applied to an item emitted by the source\n * Observable, returns an Observable.\n * @param concurrent Maximum number of `ObservableInput`s being subscribed to concurrently.\n * @return A function that returns an Observable that emits the result of\n * applying the projection function (and the optional deprecated\n * `resultSelector`) to each item emitted by the source Observable and merging\n * the results of the Observables obtained from this transformation.\n */\nexport function mergeMap<T, R, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector?: ((outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R) | number,\n  concurrent: number = Infinity\n): OperatorFunction<T, ObservedValueOf<O> | R> {\n  if (isFunction(resultSelector)) {\n    // DEPRECATED PATH\n    return mergeMap((a, i) => map((b: any, ii: number) => resultSelector(a, b, i, ii))(innerFrom(project(a, i))), concurrent);\n  } else if (typeof resultSelector === 'number') {\n    concurrent = resultSelector;\n  }\n\n  return operate((source, subscriber) => mergeInternals(source, subscriber, project, concurrent));\n}\n", "import { mergeMap } from './mergeMap';\nimport { identity } from '../util/identity';\nimport { OperatorFunction, ObservableInput, ObservedValueOf } from '../types';\n\n/**\n * Converts a higher-order Observable into a first-order Observable which\n * concurrently delivers all values that are emitted on the inner Observables.\n *\n * <span class=\"informal\">Flattens an Observable-of-Observables.</span>\n *\n * ![](mergeAll.png)\n *\n * `mergeAll` subscribes to an Observable that emits Observables, also known as\n * a higher-order Observable. Each time it observes one of these emitted inner\n * Observables, it subscribes to that and delivers all the values from the\n * inner Observable on the output Observable. The output Observable only\n * completes once all inner Observables have completed. Any error delivered by\n * a inner Observable will be immediately emitted on the output Observable.\n *\n * ## Examples\n *\n * Spawn a new interval Observable for each click event, and blend their outputs as one Observable\n *\n * ```ts\n * import { fromEvent, map, interval, mergeAll } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const higherOrder = clicks.pipe(map(() => interval(1000)));\n * const firstOrder = higherOrder.pipe(mergeAll());\n *\n * firstOrder.subscribe(x => console.log(x));\n * ```\n *\n * Count from 0 to 9 every second for each click, but only allow 2 concurrent timers\n *\n * ```ts\n * import { fromEvent, map, interval, take, mergeAll } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const higherOrder = clicks.pipe(\n *   map(() => interval(1000).pipe(take(10)))\n * );\n * const firstOrder = higherOrder.pipe(mergeAll(2));\n *\n * firstOrder.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link combineLatestAll}\n * @see {@link concatAll}\n * @see {@link exhaustAll}\n * @see {@link merge}\n * @see {@link mergeMap}\n * @see {@link mergeMapTo}\n * @see {@link mergeScan}\n * @see {@link switchAll}\n * @see {@link switchMap}\n * @see {@link zipAll}\n *\n * @param concurrent Maximum number of inner Observables being subscribed to\n * concurrently.\n * @return A function that returns an Observable that emits values coming from\n * all the inner Observables emitted by the source Observable.\n */\nexport function mergeAll<O extends ObservableInput<any>>(concurrent: number = Infinity): OperatorFunction<O, ObservedValueOf<O>> {\n  return mergeMap(identity, concurrent);\n}\n", "import { mergeAll } from './mergeAll';\nimport { OperatorFunction, ObservableInput, ObservedValueOf } from '../types';\n\n/**\n * Converts a higher-order Observable into a first-order Observable by\n * concatenating the inner Observables in order.\n *\n * <span class=\"informal\">Flattens an Observable-of-Observables by putting one\n * inner Observable after the other.</span>\n *\n * ![](concatAll.svg)\n *\n * Joins every Observable emitted by the source (a higher-order Observable), in\n * a serial fashion. It subscribes to each inner Observable only after the\n * previous inner Observable has completed, and merges all of their values into\n * the returned observable.\n *\n * __Warning:__ If the source Observable emits Observables quickly and\n * endlessly, and the inner Observables it emits generally complete slower than\n * the source emits, you can run into memory issues as the incoming Observables\n * collect in an unbounded buffer.\n *\n * Note: `concatAll` is equivalent to `mergeAll` with concurrency parameter set\n * to `1`.\n *\n * ## Example\n *\n * For each click event, tick every second from 0 to 3, with no concurrency\n *\n * ```ts\n * import { fromEvent, map, interval, take, concatAll } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const higherOrder = clicks.pipe(\n *   map(() => interval(1000).pipe(take(4)))\n * );\n * const firstOrder = higherOrder.pipe(concatAll());\n * firstOrder.subscribe(x => console.log(x));\n *\n * // Results in the following:\n * // (results are not concurrent)\n * // For every click on the \"document\" it will emit values 0 to 3 spaced\n * // on a 1000ms interval\n * // one click = 1000ms-> 0 -1000ms-> 1 -1000ms-> 2 -1000ms-> 3\n * ```\n *\n * @see {@link combineLatestAll}\n * @see {@link concat}\n * @see {@link concatMap}\n * @see {@link concatMapTo}\n * @see {@link exhaustAll}\n * @see {@link mergeAll}\n * @see {@link switchAll}\n * @see {@link switchMap}\n * @see {@link zipAll}\n *\n * @return A function that returns an Observable emitting values from all the\n * inner Observables concatenated.\n */\nexport function concatAll<O extends ObservableInput<any>>(): OperatorFunction<O, ObservedValueOf<O>> {\n  return mergeAll(1);\n}\n", "import { Observable } from '../Observable';\nimport { ObservableInputTuple, SchedulerLike } from '../types';\nimport { concatAll } from '../operators/concatAll';\nimport { popScheduler } from '../util/args';\nimport { from } from './from';\n\nexport function concat<T extends readonly unknown[]>(...inputs: [...ObservableInputTuple<T>]): Observable<T[number]>;\nexport function concat<T extends readonly unknown[]>(\n  ...inputsAndScheduler: [...ObservableInputTuple<T>, SchedulerLike]\n): Observable<T[number]>;\n\n/**\n * Creates an output Observable which sequentially emits all values from the first given\n * Observable and then moves on to the next.\n *\n * <span class=\"informal\">Concatenates multiple Observables together by\n * sequentially emitting their values, one Observable after the other.</span>\n *\n * ![](concat.png)\n *\n * `concat` joins multiple Observables together, by subscribing to them one at a time and\n * merging their results into the output Observable. You can pass either an array of\n * Observables, or put them directly as arguments. Passing an empty array will result\n * in Observable that completes immediately.\n *\n * `concat` will subscribe to first input Observable and emit all its values, without\n * changing or affecting them in any way. When that Observable completes, it will\n * subscribe to then next Observable passed and, again, emit its values. This will be\n * repeated, until the operator runs out of Observables. When last input Observable completes,\n * `concat` will complete as well. At any given moment only one Observable passed to operator\n * emits values. If you would like to emit values from passed Observables concurrently, check out\n * {@link merge} instead, especially with optional `concurrent` parameter. As a matter of fact,\n * `concat` is an equivalent of `merge` operator with `concurrent` parameter set to `1`.\n *\n * Note that if some input Observable never completes, `concat` will also never complete\n * and Observables following the one that did not complete will never be subscribed. On the other\n * hand, if some Observable simply completes immediately after it is subscribed, it will be\n * invisible for `concat`, which will just move on to the next Observable.\n *\n * If any Observable in chain errors, instead of passing control to the next Observable,\n * `concat` will error immediately as well. Observables that would be subscribed after\n * the one that emitted error, never will.\n *\n * If you pass to `concat` the same Observable many times, its stream of values\n * will be \"replayed\" on every subscription, which means you can repeat given Observable\n * as many times as you like. If passing the same Observable to `concat` 1000 times becomes tedious,\n * you can always use {@link repeat}.\n *\n * ## Examples\n *\n * Concatenate a timer counting from 0 to 3 with a synchronous sequence from 1 to 10\n *\n * ```ts\n * import { interval, take, range, concat } from 'rxjs';\n *\n * const timer = interval(1000).pipe(take(4));\n * const sequence = range(1, 10);\n * const result = concat(timer, sequence);\n * result.subscribe(x => console.log(x));\n *\n * // results in:\n * // 0 -1000ms-> 1 -1000ms-> 2 -1000ms-> 3 -immediate-> 1 ... 10\n * ```\n *\n * Concatenate 3 Observables\n *\n * ```ts\n * import { interval, take, concat } from 'rxjs';\n *\n * const timer1 = interval(1000).pipe(take(10));\n * const timer2 = interval(2000).pipe(take(6));\n * const timer3 = interval(500).pipe(take(10));\n *\n * const result = concat(timer1, timer2, timer3);\n * result.subscribe(x => console.log(x));\n *\n * // results in the following:\n * // (Prints to console sequentially)\n * // -1000ms-> 0 -1000ms-> 1 -1000ms-> ... 9\n * // -2000ms-> 0 -2000ms-> 1 -2000ms-> ... 5\n * // -500ms-> 0 -500ms-> 1 -500ms-> ... 9\n * ```\n *\n * Concatenate the same Observable to repeat it\n *\n * ```ts\n * import { interval, take, concat } from 'rxjs';\n *\n * const timer = interval(1000).pipe(take(2));\n *\n * concat(timer, timer) // concatenating the same Observable!\n *   .subscribe({\n *     next: value => console.log(value),\n *     complete: () => console.log('...and it is done!')\n *   });\n *\n * // Logs:\n * // 0 after 1s\n * // 1 after 2s\n * // 0 after 3s\n * // 1 after 4s\n * // '...and it is done!' also after 4s\n * ```\n *\n * @see {@link concatAll}\n * @see {@link concatMap}\n * @see {@link concatMapTo}\n * @see {@link startWith}\n * @see {@link endWith}\n *\n * @param args `ObservableInput`s to concatenate.\n */\nexport function concat(...args: any[]): Observable<unknown> {\n  return concatAll()(from(args, popScheduler(args)));\n}\n", "import { Observable } from '../Observable';\nimport { ObservedValueOf, ObservableInput } from '../types';\nimport { innerFrom } from './innerFrom';\n\n/**\n * Creates an Observable that, on subscribe, calls an Observable factory to\n * make an Observable for each new Observer.\n *\n * <span class=\"informal\">Creates the Observable lazily, that is, only when it\n * is subscribed.\n * </span>\n *\n * ![](defer.png)\n *\n * `defer` allows you to create an Observable only when the Observer\n * subscribes. It waits until an Observer subscribes to it, calls the given\n * factory function to get an Observable -- where a factory function typically\n * generates a new Observable -- and subscribes the Observer to this Observable.\n * In case the factory function returns a falsy value, then EMPTY is used as\n * Observable instead. Last but not least, an exception during the factory\n * function call is transferred to the Observer by calling `error`.\n *\n * ## Example\n *\n * Subscribe to either an Observable of clicks or an Observable of interval, at random\n *\n * ```ts\n * import { defer, fromEvent, interval } from 'rxjs';\n *\n * const clicksOrInterval = defer(() => {\n *   return Math.random() > 0.5\n *     ? fromEvent(document, 'click')\n *     : interval(1000);\n * });\n * clicksOrInterval.subscribe(x => console.log(x));\n *\n * // Results in the following behavior:\n * // If the result of Math.random() is greater than 0.5 it will listen\n * // for clicks anywhere on the \"document\"; when document is clicked it\n * // will log a MouseEvent object to the console. If the result is less\n * // than 0.5 it will emit ascending numbers, one every second(1000ms).\n * ```\n *\n * @see {@link Observable}\n *\n * @param observableFactory The Observable factory function to invoke for each\n * Observer that subscribes to the output Observable. May also return any\n * `ObservableInput`, which will be converted on the fly to an Observable.\n * @return An Observable whose Observers' subscriptions trigger an invocation of the\n * given Observable factory function.\n */\nexport function defer<R extends ObservableInput<any>>(observableFactory: () => R): Observable<ObservedValueOf<R>> {\n  return new Observable<ObservedValueOf<R>>((subscriber) => {\n    innerFrom(observableFactory()).subscribe(subscriber);\n  });\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { Observable } from '../Observable';\nimport { mergeMap } from '../operators/mergeMap';\nimport { isArrayLike } from '../util/isArrayLike';\nimport { isFunction } from '../util/isFunction';\nimport { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';\n\n// These constants are used to create handler registry functions using array mapping below.\nconst nodeEventEmitterMethods = ['addListener', 'removeListener'] as const;\nconst eventTargetMethods = ['addEventListener', 'removeEventListener'] as const;\nconst jqueryMethods = ['on', 'off'] as const;\n\nexport interface NodeStyleEventEmitter {\n  addListener(eventName: string | symbol, handler: NodeEventHandler): this;\n  removeListener(eventName: string | symbol, handler: NodeEventHandler): this;\n}\n\nexport type NodeEventHandler = (...args: any[]) => void;\n\n// For APIs that implement `addListener` and `removeListener` methods that may\n// not use the same arguments or return EventEmitter values\n// such as React Native\nexport interface NodeCompatibleEventEmitter {\n  addListener(eventName: string, handler: NodeEventHandler): void | {};\n  removeListener(eventName: string, handler: NodeEventHandler): void | {};\n}\n\n// Use handler types like those in @types/jquery. See:\n// https://github.com/DefinitelyTyped/DefinitelyTyped/blob/847731ba1d7fa6db6b911c0e43aa0afe596e7723/types/jquery/misc.d.ts#L6395\nexport interface JQueryStyleEventEmitter<TContext, T> {\n  on(eventName: string, handler: (this: TContext, t: T, ...args: any[]) => any): void;\n  off(eventName: string, handler: (this: TContext, t: T, ...args: any[]) => any): void;\n}\n\nexport interface EventListenerObject<E> {\n  handleEvent(evt: E): void;\n}\n\nexport interface HasEventTargetAddRemove<E> {\n  addEventListener(\n    type: string,\n    listener: ((evt: E) => void) | EventListenerObject<E> | null,\n    options?: boolean | AddEventListenerOptions\n  ): void;\n  removeEventListener(\n    type: string,\n    listener: ((evt: E) => void) | EventListenerObject<E> | null,\n    options?: EventListenerOptions | boolean\n  ): void;\n}\n\nexport interface EventListenerOptions {\n  capture?: boolean;\n  passive?: boolean;\n  once?: boolean;\n}\n\nexport interface AddEventListenerOptions extends EventListenerOptions {\n  once?: boolean;\n  passive?: boolean;\n}\n\nexport function fromEvent<T>(target: HasEventTargetAddRemove<T> | ArrayLike<HasEventTargetAddRemove<T>>, eventName: string): Observable<T>;\nexport function fromEvent<T, R>(\n  target: HasEventTargetAddRemove<T> | ArrayLike<HasEventTargetAddRemove<T>>,\n  eventName: string,\n  resultSelector: (event: T) => R\n): Observable<R>;\nexport function fromEvent<T>(\n  target: HasEventTargetAddRemove<T> | ArrayLike<HasEventTargetAddRemove<T>>,\n  eventName: string,\n  options: EventListenerOptions\n): Observable<T>;\nexport function fromEvent<T, R>(\n  target: HasEventTargetAddRemove<T> | ArrayLike<HasEventTargetAddRemove<T>>,\n  eventName: string,\n  options: EventListenerOptions,\n  resultSelector: (event: T) => R\n): Observable<R>;\n\nexport function fromEvent(target: NodeStyleEventEmitter | ArrayLike<NodeStyleEventEmitter>, eventName: string): Observable<unknown>;\n/** @deprecated Do not specify explicit type parameters. Signatures with type parameters that cannot be inferred will be removed in v8. */\nexport function fromEvent<T>(target: NodeStyleEventEmitter | ArrayLike<NodeStyleEventEmitter>, eventName: string): Observable<T>;\nexport function fromEvent<R>(\n  target: NodeStyleEventEmitter | ArrayLike<NodeStyleEventEmitter>,\n  eventName: string,\n  resultSelector: (...args: any[]) => R\n): Observable<R>;\n\nexport function fromEvent(\n  target: NodeCompatibleEventEmitter | ArrayLike<NodeCompatibleEventEmitter>,\n  eventName: string\n): Observable<unknown>;\n/** @deprecated Do not specify explicit type parameters. Signatures with type parameters that cannot be inferred will be removed in v8. */\nexport function fromEvent<T>(target: NodeCompatibleEventEmitter | ArrayLike<NodeCompatibleEventEmitter>, eventName: string): Observable<T>;\nexport function fromEvent<R>(\n  target: NodeCompatibleEventEmitter | ArrayLike<NodeCompatibleEventEmitter>,\n  eventName: string,\n  resultSelector: (...args: any[]) => R\n): Observable<R>;\n\nexport function fromEvent<T>(\n  target: JQueryStyleEventEmitter<any, T> | ArrayLike<JQueryStyleEventEmitter<any, T>>,\n  eventName: string\n): Observable<T>;\nexport function fromEvent<T, R>(\n  target: JQueryStyleEventEmitter<any, T> | ArrayLike<JQueryStyleEventEmitter<any, T>>,\n  eventName: string,\n  resultSelector: (value: T, ...args: any[]) => R\n): Observable<R>;\n\n/**\n * Creates an Observable that emits events of a specific type coming from the\n * given event target.\n *\n * <span class=\"informal\">Creates an Observable from DOM events, or Node.js\n * EventEmitter events or others.</span>\n *\n * ![](fromEvent.png)\n *\n * `fromEvent` accepts as a first argument event target, which is an object with methods\n * for registering event handler functions. As a second argument it takes string that indicates\n * type of event we want to listen for. `fromEvent` supports selected types of event targets,\n * which are described in detail below. If your event target does not match any of the ones listed,\n * you should use {@link fromEventPattern}, which can be used on arbitrary APIs.\n * When it comes to APIs supported by `fromEvent`, their methods for adding and removing event\n * handler functions have different names, but they all accept a string describing event type\n * and function itself, which will be called whenever said event happens.\n *\n * Every time resulting Observable is subscribed, event handler function will be registered\n * to event target on given event type. When that event fires, value\n * passed as a first argument to registered function will be emitted by output Observable.\n * When Observable is unsubscribed, function will be unregistered from event target.\n *\n * Note that if event target calls registered function with more than one argument, second\n * and following arguments will not appear in resulting stream. In order to get access to them,\n * you can pass to `fromEvent` optional project function, which will be called with all arguments\n * passed to event handler. Output Observable will then emit value returned by project function,\n * instead of the usual value.\n *\n * Remember that event targets listed below are checked via duck typing. It means that\n * no matter what kind of object you have and no matter what environment you work in,\n * you can safely use `fromEvent` on that object if it exposes described methods (provided\n * of course they behave as was described above). So for example if Node.js library exposes\n * event target which has the same method names as DOM EventTarget, `fromEvent` is still\n * a good choice.\n *\n * If the API you use is more callback then event handler oriented (subscribed\n * callback function fires only once and thus there is no need to manually\n * unregister it), you should use {@link bindCallback} or {@link bindNodeCallback}\n * instead.\n *\n * `fromEvent` supports following types of event targets:\n *\n * **DOM EventTarget**\n *\n * This is an object with `addEventListener` and `removeEventListener` methods.\n *\n * In the browser, `addEventListener` accepts - apart from event type string and event\n * handler function arguments - optional third parameter, which is either an object or boolean,\n * both used for additional configuration how and when passed function will be called. When\n * `fromEvent` is used with event target of that type, you can provide this values\n * as third parameter as well.\n *\n * **Node.js EventEmitter**\n *\n * An object with `addListener` and `removeListener` methods.\n *\n * **JQuery-style event target**\n *\n * An object with `on` and `off` methods\n *\n * **DOM NodeList**\n *\n * List of DOM Nodes, returned for example by `document.querySelectorAll` or `Node.childNodes`.\n *\n * Although this collection is not event target in itself, `fromEvent` will iterate over all Nodes\n * it contains and install event handler function in every of them. When returned Observable\n * is unsubscribed, function will be removed from all Nodes.\n *\n * **DOM HtmlCollection**\n *\n * Just as in case of NodeList it is a collection of DOM nodes. Here as well event handler function is\n * installed and removed in each of elements.\n *\n *\n * ## Examples\n *\n * Emit clicks happening on the DOM document\n *\n * ```ts\n * import { fromEvent } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * clicks.subscribe(x => console.log(x));\n *\n * // Results in:\n * // MouseEvent object logged to console every time a click\n * // occurs on the document.\n * ```\n *\n * Use `addEventListener` with capture option\n *\n * ```ts\n * import { fromEvent } from 'rxjs';\n *\n * const div = document.createElement('div');\n * div.style.cssText = 'width: 200px; height: 200px; background: #09c;';\n * document.body.appendChild(div);\n *\n * // note optional configuration parameter which will be passed to addEventListener\n * const clicksInDocument = fromEvent(document, 'click', { capture: true });\n * const clicksInDiv = fromEvent(div, 'click');\n *\n * clicksInDocument.subscribe(() => console.log('document'));\n * clicksInDiv.subscribe(() => console.log('div'));\n *\n * // By default events bubble UP in DOM tree, so normally\n * // when we would click on div in document\n * // \"div\" would be logged first and then \"document\".\n * // Since we specified optional `capture` option, document\n * // will catch event when it goes DOWN DOM tree, so console\n * // will log \"document\" and then \"div\".\n * ```\n *\n * @see {@link bindCallback}\n * @see {@link bindNodeCallback}\n * @see {@link fromEventPattern}\n *\n * @param target The DOM EventTarget, Node.js EventEmitter, JQuery-like event target,\n * NodeList or HTMLCollection to attach the event handler to.\n * @param eventName The event name of interest, being emitted by the `target`.\n * @param options Options to pass through to the underlying `addListener`,\n * `addEventListener` or `on` functions.\n * @param resultSelector A mapping function used to transform events. It takes the\n * arguments from the event handler and should return a single value.\n * @return An Observable emitting events registered through `target`'s\n * listener handlers.\n */\nexport function fromEvent<T>(\n  target: any,\n  eventName: string,\n  options?: EventListenerOptions | ((...args: any[]) => T),\n  resultSelector?: (...args: any[]) => T\n): Observable<T> {\n  if (isFunction(options)) {\n    resultSelector = options;\n    options = undefined;\n  }\n  if (resultSelector) {\n    return fromEvent<T>(target, eventName, options as EventListenerOptions).pipe(mapOneOrManyArgs(resultSelector));\n  }\n\n  // Figure out our add and remove methods. In order to do this,\n  // we are going to analyze the target in a preferred order, if\n  // the target matches a given signature, we take the two \"add\" and \"remove\"\n  // method names and apply them to a map to create opposite versions of the\n  // same function. This is because they all operate in duplicate pairs,\n  // `addListener(name, handler)`, `removeListener(name, handler)`, for example.\n  // The call only differs by method name, as to whether or not you're adding or removing.\n  const [add, remove] =\n    // If it is an EventTarget, we need to use a slightly different method than the other two patterns.\n    isEventTarget(target)\n      ? eventTargetMethods.map((methodName) => (handler: any) => target[methodName](eventName, handler, options as EventListenerOptions))\n      : // In all other cases, the call pattern is identical with the exception of the method names.\n      isNodeStyleEventEmitter(target)\n      ? nodeEventEmitterMethods.map(toCommonHandlerRegistry(target, eventName))\n      : isJQueryStyleEventEmitter(target)\n      ? jqueryMethods.map(toCommonHandlerRegistry(target, eventName))\n      : [];\n\n  // If add is falsy, it's because we didn't match a pattern above.\n  // Check to see if it is an ArrayLike, because if it is, we want to\n  // try to apply fromEvent to all of it's items. We do this check last,\n  // because there are may be some types that are both ArrayLike *and* implement\n  // event registry points, and we'd rather delegate to that when possible.\n  if (!add) {\n    if (isArrayLike(target)) {\n      return mergeMap((subTarget: any) => fromEvent(subTarget, eventName, options as EventListenerOptions))(\n        innerFrom(target)\n      ) as Observable<T>;\n    }\n  }\n\n  // If add is falsy and we made it here, it's because we didn't\n  // match any valid target objects above.\n  if (!add) {\n    throw new TypeError('Invalid event target');\n  }\n\n  return new Observable<T>((subscriber) => {\n    // The handler we are going to register. Forwards the event object, by itself, or\n    // an array of arguments to the event handler, if there is more than one argument,\n    // to the consumer.\n    const handler = (...args: any[]) => subscriber.next(1 < args.length ? args : args[0]);\n    // Do the work of adding the handler to the target.\n    add(handler);\n    // When we finalize, we want to remove the handler and free up memory.\n    return () => remove!(handler);\n  });\n}\n\n/**\n * Used to create `add` and `remove` functions to register and unregister event handlers\n * from a target in the most common handler pattern, where there are only two arguments.\n * (e.g.  `on(name, fn)`, `off(name, fn)`, `addListener(name, fn)`, or `removeListener(name, fn)`)\n * @param target The target we're calling methods on\n * @param eventName The event name for the event we're creating register or unregister functions for\n */\nfunction toCommonHandlerRegistry(target: any, eventName: string) {\n  return (methodName: string) => (handler: any) => target[methodName](eventName, handler);\n}\n\n/**\n * Checks to see if the target implements the required node-style EventEmitter methods\n * for adding and removing event handlers.\n * @param target the object to check\n */\nfunction isNodeStyleEventEmitter(target: any): target is NodeStyleEventEmitter {\n  return isFunction(target.addListener) && isFunction(target.removeListener);\n}\n\n/**\n * Checks to see if the target implements the required jQuery-style EventEmitter methods\n * for adding and removing event handlers.\n * @param target the object to check\n */\nfunction isJQueryStyleEventEmitter(target: any): target is JQueryStyleEventEmitter<any, any> {\n  return isFunction(target.on) && isFunction(target.off);\n}\n\n/**\n * Checks to see if the target implements the required EventTarget methods\n * for adding and removing event handlers.\n * @param target the object to check\n */\nfunction isEventTarget(target: any): target is HasEventTargetAddRemove<any> {\n  return isFunction(target.addEventListener) && isFunction(target.removeEventListener);\n}\n", "import { Observable } from '../Observable';\nimport { isFunction } from '../util/isFunction';\nimport { NodeEventHandler } from './fromEvent';\nimport { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';\n\n/* tslint:disable:max-line-length */\nexport function fromEventPattern<T>(\n  addHandler: (handler: NodeEventHandler) => any,\n  removeHandler?: (handler: NodeEventHandler, signal?: any) => void\n): Observable<T>;\nexport function fromEventPattern<T>(\n  addHandler: (handler: NodeEventHandler) => any,\n  removeHandler?: (handler: NodeEventHandler, signal?: any) => void,\n  resultSelector?: (...args: any[]) => T\n): Observable<T>;\n/* tslint:enable:max-line-length */\n\n/**\n * Creates an Observable from an arbitrary API for registering event handlers.\n *\n * <span class=\"informal\">When that method for adding event handler was something {@link fromEvent}\n * was not prepared for.</span>\n *\n * ![](fromEventPattern.png)\n *\n * `fromEventPattern` allows you to convert into an Observable any API that supports registering handler functions\n * for events. It is similar to {@link fromEvent}, but far\n * more flexible. In fact, all use cases of {@link fromEvent} could be easily handled by\n * `fromEventPattern` (although in slightly more verbose way).\n *\n * This operator accepts as a first argument an `addHandler` function, which will be injected with\n * handler parameter. That handler is actually an event handler function that you now can pass\n * to API expecting it. `addHandler` will be called whenever Observable\n * returned by the operator is subscribed, so registering handler in API will not\n * necessarily happen when `fromEventPattern` is called.\n *\n * After registration, every time an event that we listen to happens,\n * Observable returned by `fromEventPattern` will emit value that event handler\n * function was called with. Note that if event handler was called with more\n * than one argument, second and following arguments will not appear in the Observable.\n *\n * If API you are using allows to unregister event handlers as well, you can pass to `fromEventPattern`\n * another function - `removeHandler` - as a second parameter. It will be injected\n * with the same handler function as before, which now you can use to unregister\n * it from the API. `removeHandler` will be called when consumer of resulting Observable\n * unsubscribes from it.\n *\n * In some APIs unregistering is actually handled differently. Method registering an event handler\n * returns some kind of token, which is later used to identify which function should\n * be unregistered or it itself has method that unregisters event handler.\n * If that is the case with your API, make sure token returned\n * by registering method is returned by `addHandler`. Then it will be passed\n * as a second argument to `removeHandler`, where you will be able to use it.\n *\n * If you need access to all event handler parameters (not only the first one),\n * or you need to transform them in any way, you can call `fromEventPattern` with optional\n * third parameter - project function which will accept all arguments passed to\n * event handler when it is called. Whatever is returned from project function will appear on\n * resulting stream instead of usual event handlers first argument. This means\n * that default project can be thought of as function that takes its first parameter\n * and ignores the rest.\n *\n * ## Examples\n *\n * Emits clicks happening on the DOM document\n *\n * ```ts\n * import { fromEventPattern } from 'rxjs';\n *\n * function addClickHandler(handler) {\n *   document.addEventListener('click', handler);\n * }\n *\n * function removeClickHandler(handler) {\n *   document.removeEventListener('click', handler);\n * }\n *\n * const clicks = fromEventPattern(\n *   addClickHandler,\n *   removeClickHandler\n * );\n * clicks.subscribe(x => console.log(x));\n *\n * // Whenever you click anywhere in the browser, DOM MouseEvent\n * // object will be logged.\n * ```\n *\n * Use with API that returns cancellation token\n *\n * ```ts\n * import { fromEventPattern } from 'rxjs';\n *\n * const token = someAPI.registerEventHandler(function() {});\n * someAPI.unregisterEventHandler(token); // this APIs cancellation method accepts\n *                                        // not handler itself, but special token.\n *\n * const someAPIObservable = fromEventPattern(\n *   function(handler) { return someAPI.registerEventHandler(handler); }, // Note that we return the token here...\n *   function(handler, token) { someAPI.unregisterEventHandler(token); }  // ...to then use it here.\n * );\n * ```\n *\n * Use with project function\n *\n * ```ts\n * import { fromEventPattern } from 'rxjs';\n *\n * someAPI.registerEventHandler((eventType, eventMessage) => {\n *   console.log(eventType, eventMessage); // Logs 'EVENT_TYPE' 'EVENT_MESSAGE' to console.\n * });\n *\n * const someAPIObservable = fromEventPattern(\n *   handler => someAPI.registerEventHandler(handler),\n *   handler => someAPI.unregisterEventHandler(handler)\n *   (eventType, eventMessage) => eventType + ' --- ' + eventMessage // without that function only 'EVENT_TYPE'\n * );                                                                // would be emitted by the Observable\n *\n * someAPIObservable.subscribe(value => console.log(value));\n *\n * // Logs:\n * // 'EVENT_TYPE --- EVENT_MESSAGE'\n * ```\n *\n * @see {@link fromEvent}\n * @see {@link bindCallback}\n * @see {@link bindNodeCallback}\n *\n * @param addHandler A function that takes a `handler` function as argument and attaches it\n * somehow to the actual source of events.\n * @param removeHandler A function that takes a `handler` function as an argument and removes\n * it from the event source. If `addHandler` returns some kind of token, `removeHandler` function\n * will have it as a second parameter.\n * @param resultSelector A function to transform results. It takes the arguments from the event\n * handler and should return a single value.\n * @return Observable which, when an event happens, emits first parameter passed to registered\n * event handler. Alternatively it emits whatever project function returns at that moment.\n */\nexport function fromEventPattern<T>(\n  addHandler: (handler: NodeEventHandler) => any,\n  removeHandler?: (handler: NodeEventHandler, signal?: any) => void,\n  resultSelector?: (...args: any[]) => T\n): Observable<T | T[]> {\n  if (resultSelector) {\n    return fromEventPattern<T>(addHandler, removeHandler).pipe(mapOneOrManyArgs(resultSelector));\n  }\n\n  return new Observable<T | T[]>((subscriber) => {\n    const handler = (...e: T[]) => subscriber.next(e.length === 1 ? e[0] : e);\n    const retValue = addHandler(handler);\n    return isFunction(removeHandler) ? () => removeHandler(handler, retValue) : undefined;\n  });\n}\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\nimport { async as asyncScheduler } from '../scheduler/async';\nimport { isScheduler } from '../util/isScheduler';\nimport { isValidDate } from '../util/isDate';\n\n/**\n * Creates an observable that will wait for a specified time period, or exact date, before\n * emitting the number 0.\n *\n * <span class=\"informal\">Used to emit a notification after a delay.</span>\n *\n * This observable is useful for creating delays in code, or racing against other values\n * for ad-hoc timeouts.\n *\n * The `delay` is specified by default in milliseconds, however providing a custom scheduler could\n * create a different behavior.\n *\n * ## Examples\n *\n * Wait 3 seconds and start another observable\n *\n * You might want to use `timer` to delay subscription to an\n * observable by a set amount of time. Here we use a timer with\n * {@link concatMapTo} or {@link concatMap} in order to wait\n * a few seconds and start a subscription to a source.\n *\n * ```ts\n * import { of, timer, concatMap } from 'rxjs';\n *\n * // This could be any observable\n * const source = of(1, 2, 3);\n *\n * timer(3000)\n *   .pipe(concatMap(() => source))\n *   .subscribe(console.log);\n * ```\n *\n * Take all values until the start of the next minute\n *\n * Using a `Date` as the trigger for the first emission, you can\n * do things like wait until midnight to fire an event, or in this case,\n * wait until a new minute starts (chosen so the example wouldn't take\n * too long to run) in order to stop watching a stream. Leveraging\n * {@link takeUntil}.\n *\n * ```ts\n * import { interval, takeUntil, timer } from 'rxjs';\n *\n * // Build a Date object that marks the\n * // next minute.\n * const currentDate = new Date();\n * const startOfNextMinute = new Date(\n *   currentDate.getFullYear(),\n *   currentDate.getMonth(),\n *   currentDate.getDate(),\n *   currentDate.getHours(),\n *   currentDate.getMinutes() + 1\n * );\n *\n * // This could be any observable stream\n * const source = interval(1000);\n *\n * const result = source.pipe(\n *   takeUntil(timer(startOfNextMinute))\n * );\n *\n * result.subscribe(console.log);\n * ```\n *\n * ### Known Limitations\n *\n * - The {@link asyncScheduler} uses `setTimeout` which has limitations for how far in the future it can be scheduled.\n *\n * - If a `scheduler` is provided that returns a timestamp other than an epoch from `now()`, and\n * a `Date` object is passed to the `dueTime` argument, the calculation for when the first emission\n * should occur will be incorrect. In this case, it would be best to do your own calculations\n * ahead of time, and pass a `number` in as the `dueTime`.\n *\n * @param due If a `number`, the amount of time in milliseconds to wait before emitting.\n * If a `Date`, the exact time at which to emit.\n * @param scheduler The scheduler to use to schedule the delay. Defaults to {@link asyncScheduler}.\n */\nexport function timer(due: number | Date, scheduler?: SchedulerLike): Observable<0>;\n\n/**\n * Creates an observable that starts an interval after a specified delay, emitting incrementing numbers -- starting at `0` --\n * on each interval after words.\n *\n * The `delay` and `intervalDuration` are specified by default in milliseconds, however providing a custom scheduler could\n * create a different behavior.\n *\n * ## Example\n *\n * ### Start an interval that starts right away\n *\n * Since {@link interval} waits for the passed delay before starting,\n * sometimes that's not ideal. You may want to start an interval immediately.\n * `timer` works well for this. Here we have both side-by-side so you can\n * see them in comparison.\n *\n * Note that this observable will never complete.\n *\n * ```ts\n * import { timer, interval } from 'rxjs';\n *\n * timer(0, 1000).subscribe(n => console.log('timer', n));\n * interval(1000).subscribe(n => console.log('interval', n));\n * ```\n *\n * ### Known Limitations\n *\n * - The {@link asyncScheduler} uses `setTimeout` which has limitations for how far in the future it can be scheduled.\n *\n * - If a `scheduler` is provided that returns a timestamp other than an epoch from `now()`, and\n * a `Date` object is passed to the `dueTime` argument, the calculation for when the first emission\n * should occur will be incorrect. In this case, it would be best to do your own calculations\n * ahead of time, and pass a `number` in as the `startDue`.\n * @param startDue If a `number`, is the time to wait before starting the interval.\n * If a `Date`, is the exact time at which to start the interval.\n * @param intervalDuration The delay between each value emitted in the interval. Passing a\n * negative number here will result in immediate completion after the first value is emitted, as though\n * no `intervalDuration` was passed at all.\n * @param scheduler The scheduler to use to schedule the delay. Defaults to {@link asyncScheduler}.\n */\nexport function timer(startDue: number | Date, intervalDuration: number, scheduler?: SchedulerLike): Observable<number>;\n\n/**\n * @deprecated The signature allowing `undefined` to be passed for `intervalDuration` will be removed in v8. Use the `timer(dueTime, scheduler?)` signature instead.\n */\nexport function timer(dueTime: number | Date, unused: undefined, scheduler?: SchedulerLike): Observable<0>;\n\nexport function timer(\n  dueTime: number | Date = 0,\n  intervalOrScheduler?: number | SchedulerLike,\n  scheduler: SchedulerLike = asyncScheduler\n): Observable<number> {\n  // Since negative intervalDuration is treated as though no\n  // interval was specified at all, we start with a negative number.\n  let intervalDuration = -1;\n\n  if (intervalOrScheduler != null) {\n    // If we have a second argument, and it's a scheduler,\n    // override the scheduler we had defaulted. Otherwise,\n    // it must be an interval.\n    if (isScheduler(intervalOrScheduler)) {\n      scheduler = intervalOrScheduler;\n    } else {\n      // Note that this *could* be negative, in which case\n      // it's like not passing an intervalDuration at all.\n      intervalDuration = intervalOrScheduler;\n    }\n  }\n\n  return new Observable((subscriber) => {\n    // If a valid date is passed, calculate how long to wait before\n    // executing the first value... otherwise, if it's a number just schedule\n    // that many milliseconds (or scheduler-specified unit size) in the future.\n    let due = isValidDate(dueTime) ? +dueTime - scheduler!.now() : dueTime;\n\n    if (due < 0) {\n      // Ensure we don't schedule in the future.\n      due = 0;\n    }\n\n    // The incrementing value we emit.\n    let n = 0;\n\n    // Start the timer.\n    return scheduler.schedule(function () {\n      if (!subscriber.closed) {\n        // Emit the next value and increment.\n        subscriber.next(n++);\n\n        if (0 <= intervalDuration) {\n          // If we have a interval after the initial timer,\n          // reschedule with the period.\n          this.schedule(undefined, intervalDuration);\n        } else {\n          // We didn't have an interval. So just complete.\n          subscriber.complete();\n        }\n      }\n    }, due);\n  });\n}\n", "import { Observable } from '../Observable';\nimport { ObservableInput, ObservableInputTuple, SchedulerLike } from '../types';\nimport { mergeAll } from '../operators/mergeAll';\nimport { innerFrom } from './innerFrom';\nimport { EMPTY } from './empty';\nimport { popNumber, popScheduler } from '../util/args';\nimport { from } from './from';\n\nexport function merge<A extends readonly unknown[]>(...sources: [...ObservableInputTuple<A>]): Observable<A[number]>;\nexport function merge<A extends readonly unknown[]>(...sourcesAndConcurrency: [...ObservableInputTuple<A>, number?]): Observable<A[number]>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `mergeAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function merge<A extends readonly unknown[]>(\n  ...sourcesAndScheduler: [...ObservableInputTuple<A>, SchedulerLike?]\n): Observable<A[number]>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `mergeAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function merge<A extends readonly unknown[]>(\n  ...sourcesAndConcurrencyAndScheduler: [...ObservableInputTuple<A>, number?, SchedulerLike?]\n): Observable<A[number]>;\n\n/**\n * Creates an output Observable which concurrently emits all values from every\n * given input Observable.\n *\n * <span class=\"informal\">Flattens multiple Observables together by blending\n * their values into one Observable.</span>\n *\n * ![](merge.png)\n *\n * `merge` subscribes to each given input Observable (as arguments), and simply\n * forwards (without doing any transformation) all the values from all the input\n * Observables to the output Observable. The output Observable only completes\n * once all input Observables have completed. Any error delivered by an input\n * Observable will be immediately emitted on the output Observable.\n *\n * ## Examples\n *\n * Merge together two Observables: 1s interval and clicks\n *\n * ```ts\n * import { merge, fromEvent, interval } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const timer = interval(1000);\n * const clicksOrTimer = merge(clicks, timer);\n * clicksOrTimer.subscribe(x => console.log(x));\n *\n * // Results in the following:\n * // timer will emit ascending values, one every second(1000ms) to console\n * // clicks logs MouseEvents to console every time the \"document\" is clicked\n * // Since the two streams are merged you see these happening\n * // as they occur.\n * ```\n *\n * Merge together 3 Observables, but run only 2 concurrently\n *\n * ```ts\n * import { interval, take, merge } from 'rxjs';\n *\n * const timer1 = interval(1000).pipe(take(10));\n * const timer2 = interval(2000).pipe(take(6));\n * const timer3 = interval(500).pipe(take(10));\n *\n * const concurrent = 2; // the argument\n * const merged = merge(timer1, timer2, timer3, concurrent);\n * merged.subscribe(x => console.log(x));\n *\n * // Results in the following:\n * // - First timer1 and timer2 will run concurrently\n * // - timer1 will emit a value every 1000ms for 10 iterations\n * // - timer2 will emit a value every 2000ms for 6 iterations\n * // - after timer1 hits its max iteration, timer2 will\n * //   continue, and timer3 will start to run concurrently with timer2\n * // - when timer2 hits its max iteration it terminates, and\n * //   timer3 will continue to emit a value every 500ms until it is complete\n * ```\n *\n * @see {@link mergeAll}\n * @see {@link mergeMap}\n * @see {@link mergeMapTo}\n * @see {@link mergeScan}\n *\n * @param args `ObservableInput`s to merge together. If the last parameter\n * is of type number, `merge` will use it to limit number of concurrently\n * subscribed `ObservableInput`s. If the last parameter is {@link SchedulerLike},\n * it will be used for scheduling the emission of values.\n * @return An Observable that emits items that are the result of every input Observable.\n */\nexport function merge(...args: (ObservableInput<unknown> | number | SchedulerLike)[]): Observable<unknown> {\n  const scheduler = popScheduler(args);\n  const concurrent = popNumber(args, Infinity);\n  const sources = args as ObservableInput<unknown>[];\n  return !sources.length\n    ? // No source provided\n      EMPTY\n    : sources.length === 1\n    ? // One source? Just return it.\n      innerFrom(sources[0])\n    : // Merge all sources\n      mergeAll(concurrent)(from(sources, scheduler));\n}\n", "import { Observable } from '../Observable';\nimport { noop } from '../util/noop';\n\n/**\n * An Observable that emits no items to the Observer and never completes.\n *\n * ![](never.png)\n *\n * A simple Observable that emits neither values nor errors nor the completion\n * notification. It can be used for testing purposes or for composing with other\n * Observables. Please note that by never emitting a complete notification, this\n * Observable keeps the subscription from being disposed automatically.\n * Subscriptions need to be manually disposed.\n *\n * ##  Example\n *\n * Emit the number 7, then never emit anything else (not even complete)\n *\n * ```ts\n * import { NEVER, startWith } from 'rxjs';\n *\n * const info = () => console.log('Will not be called');\n *\n * const result = NEVER.pipe(startWith(7));\n * result.subscribe({\n *   next: x => console.log(x),\n *   error: info,\n *   complete: info\n * });\n * ```\n *\n * @see {@link Observable}\n * @see {@link EMPTY}\n * @see {@link of}\n * @see {@link throwError}\n */\nexport const NEVER = new Observable<never>(noop);\n\n/**\n * @deprecated Replaced with the {@link NEVER} constant. Will be removed in v8.\n */\nexport function never() {\n  return NEVER;\n}\n", "const { isArray } = Array;\n\n/**\n * Used in operators and functions that accept either a list of arguments, or an array of arguments\n * as a single argument.\n */\nexport function argsOrArgArray<T>(args: (T | T[])[]): T[] {\n  return args.length === 1 && isArray(args[0]) ? args[0] : (args as T[]);\n}\n", "import { OperatorFunction, MonoTypeOperatorFunction, TruthyTypesOf } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/** @deprecated Use a closure instead of a `thisArg`. Signatures accepting a `thisArg` will be removed in v8. */\nexport function filter<T, S extends T, A>(predicate: (this: A, value: T, index: number) => value is S, thisArg: A): OperatorFunction<T, S>;\nexport function filter<T, S extends T>(predicate: (value: T, index: number) => value is S): OperatorFunction<T, S>;\nexport function filter<T>(predicate: BooleanConstructor): OperatorFunction<T, TruthyTypesOf<T>>;\n/** @deprecated Use a closure instead of a `thisArg`. Signatures accepting a `thisArg` will be removed in v8. */\nexport function filter<T, A>(predicate: (this: A, value: T, index: number) => boolean, thisArg: A): MonoTypeOperatorFunction<T>;\nexport function filter<T>(predicate: (value: T, index: number) => boolean): MonoTypeOperatorFunction<T>;\n\n/**\n * Filter items emitted by the source Observable by only emitting those that\n * satisfy a specified predicate.\n *\n * <span class=\"informal\">Like\n * [Array.prototype.filter()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter),\n * it only emits a value from the source if it passes a criterion function.</span>\n *\n * ![](filter.png)\n *\n * Similar to the well-known `Array.prototype.filter` method, this operator\n * takes values from the source Observable, passes them through a `predicate`\n * function and only emits those values that yielded `true`.\n *\n * ## Example\n *\n * Emit only click events whose target was a DIV element\n *\n * ```ts\n * import { fromEvent, filter } from 'rxjs';\n *\n * const div = document.createElement('div');\n * div.style.cssText = 'width: 200px; height: 200px; background: #09c;';\n * document.body.appendChild(div);\n *\n * const clicks = fromEvent(document, 'click');\n * const clicksOnDivs = clicks.pipe(filter(ev => (<HTMLElement>ev.target).tagName === 'DIV'));\n * clicksOnDivs.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link distinct}\n * @see {@link distinctUntilChanged}\n * @see {@link distinctUntilKeyChanged}\n * @see {@link ignoreElements}\n * @see {@link partition}\n * @see {@link skip}\n *\n * @param predicate A function that\n * evaluates each value emitted by the source Observable. If it returns `true`,\n * the value is emitted, if `false` the value is not passed to the output\n * Observable. The `index` parameter is the number `i` for the i-th source\n * emission that has happened since the subscription, starting from the number\n * `0`.\n * @param thisArg An optional argument to determine the value of `this`\n * in the `predicate` function.\n * @return A function that returns an Observable that emits items from the\n * source Observable that satisfy the specified `predicate`.\n */\nexport function filter<T>(predicate: (value: T, index: number) => boolean, thisArg?: any): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    // An index passed to our predicate function on each call.\n    let index = 0;\n\n    // Subscribe to the source, all errors and completions are\n    // forwarded to the consumer.\n    source.subscribe(\n      // Call the predicate with the appropriate `this` context,\n      // if the predicate returns `true`, then send the value\n      // to the consumer.\n      createOperatorSubscriber(subscriber, (value) => predicate.call(thisArg, value, index++) && subscriber.next(value))\n    );\n  });\n}\n", "import { Observable } from '../Observable';\nimport { ObservableInputTuple } from '../types';\nimport { innerFrom } from './innerFrom';\nimport { argsOrArgArray } from '../util/argsOrArgArray';\nimport { EMPTY } from './empty';\nimport { createOperatorSubscriber } from '../operators/OperatorSubscriber';\nimport { popResultSelector } from '../util/args';\n\nexport function zip<A extends readonly unknown[]>(sources: [...ObservableInputTuple<A>]): Observable<A>;\nexport function zip<A extends readonly unknown[], R>(\n  sources: [...ObservableInputTuple<A>],\n  resultSelector: (...values: A) => R\n): Observable<R>;\nexport function zip<A extends readonly unknown[]>(...sources: [...ObservableInputTuple<A>]): Observable<A>;\nexport function zip<A extends readonly unknown[], R>(\n  ...sourcesAndResultSelector: [...ObservableInputTuple<A>, (...values: A) => R]\n): Observable<R>;\n\n/**\n * Combines multiple Observables to create an Observable whose values are calculated from the values, in order, of each\n * of its input Observables.\n *\n * If the last parameter is a function, this function is used to compute the created value from the input values.\n * Otherwise, an array of the input values is returned.\n *\n * ## Example\n *\n * Combine age and name from different sources\n *\n * ```ts\n * import { of, zip, map } from 'rxjs';\n *\n * const age$ = of(27, 25, 29);\n * const name$ = of('Foo', 'Bar', 'Beer');\n * const isDev$ = of(true, true, false);\n *\n * zip(age$, name$, isDev$).pipe(\n *   map(([age, name, isDev]) => ({ age, name, isDev }))\n * )\n * .subscribe(x => console.log(x));\n *\n * // Outputs\n * // { age: 27, name: 'Foo', isDev: true }\n * // { age: 25, name: 'Bar', isDev: true }\n * // { age: 29, name: 'Beer', isDev: false }\n * ```\n *\n * @param args Any number of `ObservableInput`s provided either as an array or as an object\n * to combine with each other.\n * @return An Observable of array values of the values emitted at the same index from each\n * individual `ObservableInput`.\n */\nexport function zip(...args: unknown[]): Observable<unknown> {\n  const resultSelector = popResultSelector(args);\n\n  const sources = argsOrArgArray(args) as Observable<unknown>[];\n\n  return sources.length\n    ? new Observable<unknown[]>((subscriber) => {\n        // A collection of buffers of values from each source.\n        // Keyed by the same index with which the sources were passed in.\n        let buffers: unknown[][] = sources.map(() => []);\n\n        // An array of flags of whether or not the sources have completed.\n        // This is used to check to see if we should complete the result.\n        // Keyed by the same index with which the sources were passed in.\n        let completed = sources.map(() => false);\n\n        // When everything is done, release the arrays above.\n        subscriber.add(() => {\n          buffers = completed = null!;\n        });\n\n        // Loop over our sources and subscribe to each one. The index `i` is\n        // especially important here, because we use it in closures below to\n        // access the related buffers and completion properties\n        for (let sourceIndex = 0; !subscriber.closed && sourceIndex < sources.length; sourceIndex++) {\n          innerFrom(sources[sourceIndex]).subscribe(\n            createOperatorSubscriber(\n              subscriber,\n              (value) => {\n                buffers[sourceIndex].push(value);\n                // if every buffer has at least one value in it, then we\n                // can shift out the oldest value from each buffer and emit\n                // them as an array.\n                if (buffers.every((buffer) => buffer.length)) {\n                  const result: any = buffers.map((buffer) => buffer.shift()!);\n                  // Emit the array. If theres' a result selector, use that.\n                  subscriber.next(resultSelector ? resultSelector(...result) : result);\n                  // If any one of the sources is both complete and has an empty buffer\n                  // then we complete the result. This is because we cannot possibly have\n                  // any more values to zip together.\n                  if (buffers.some((buffer, i) => !buffer.length && completed[i])) {\n                    subscriber.complete();\n                  }\n                }\n              },\n              () => {\n                // This source completed. Mark it as complete so we can check it later\n                // if we have to.\n                completed[sourceIndex] = true;\n                // But, if this complete source has nothing in its buffer, then we\n                // can complete the result, because we can't possibly have any more\n                // values from this to zip together with the other values.\n                !buffers[sourceIndex].length && subscriber.complete();\n              }\n            )\n          );\n        }\n\n        // When everything is done, release the arrays above.\n        return () => {\n          buffers = completed = null!;\n        };\n      })\n    : EMPTY;\n}\n", "import { Subscriber } from '../Subscriber';\nimport { MonoTypeOperatorFunction, ObservableInput } from '../types';\n\nimport { operate } from '../util/lift';\nimport { innerFrom } from '../observable/innerFrom';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * Ignores source values for a duration determined by another Observable, then\n * emits the most recent value from the source Observable, then repeats this\n * process.\n *\n * <span class=\"informal\">It's like {@link auditTime}, but the silencing\n * duration is determined by a second Observable.</span>\n *\n * ![](audit.svg)\n *\n * `audit` is similar to `throttle`, but emits the last value from the silenced\n * time window, instead of the first value. `audit` emits the most recent value\n * from the source Observable on the output Observable as soon as its internal\n * timer becomes disabled, and ignores source values while the timer is enabled.\n * Initially, the timer is disabled. As soon as the first source value arrives,\n * the timer is enabled by calling the `durationSelector` function with the\n * source value, which returns the \"duration\" Observable. When the duration\n * Observable emits a value, the timer is disabled, then the most\n * recent source value is emitted on the output Observable, and this process\n * repeats for the next source value.\n *\n * ## Example\n *\n * Emit clicks at a rate of at most one click per second\n *\n * ```ts\n * import { fromEvent, audit, interval } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(audit(ev => interval(1000)));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link auditTime}\n * @see {@link debounce}\n * @see {@link delayWhen}\n * @see {@link sample}\n * @see {@link throttle}\n *\n * @param durationSelector A function\n * that receives a value from the source Observable, for computing the silencing\n * duration, returned as an Observable or a Promise.\n * @return A function that returns an Observable that performs rate-limiting of\n * emissions from the source Observable.\n */\nexport function audit<T>(durationSelector: (value: T) => ObservableInput<any>): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    let hasValue = false;\n    let lastValue: T | null = null;\n    let durationSubscriber: Subscriber<any> | null = null;\n    let isComplete = false;\n\n    const endDuration = () => {\n      durationSubscriber?.unsubscribe();\n      durationSubscriber = null;\n      if (hasValue) {\n        hasValue = false;\n        const value = lastValue!;\n        lastValue = null;\n        subscriber.next(value);\n      }\n      isComplete && subscriber.complete();\n    };\n\n    const cleanupDuration = () => {\n      durationSubscriber = null;\n      isComplete && subscriber.complete();\n    };\n\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => {\n          hasValue = true;\n          lastValue = value;\n          if (!durationSubscriber) {\n            innerFrom(durationSelector(value)).subscribe(\n              (durationSubscriber = createOperatorSubscriber(subscriber, endDuration, cleanupDuration))\n            );\n          }\n        },\n        () => {\n          isComplete = true;\n          (!hasValue || !durationSubscriber || durationSubscriber.closed) && subscriber.complete();\n        }\n      )\n    );\n  });\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { audit } from './audit';\nimport { timer } from '../observable/timer';\nimport { MonoTypeOperatorFunction, SchedulerLike } from '../types';\n\n/**\n * Ignores source values for `duration` milliseconds, then emits the most recent\n * value from the source Observable, then repeats this process.\n *\n * <span class=\"informal\">When it sees a source value, it ignores that plus\n * the next ones for `duration` milliseconds, and then it emits the most recent\n * value from the source.</span>\n *\n * ![](auditTime.png)\n *\n * `auditTime` is similar to `throttleTime`, but emits the last value from the\n * silenced time window, instead of the first value. `auditTime` emits the most\n * recent value from the source Observable on the output Observable as soon as\n * its internal timer becomes disabled, and ignores source values while the\n * timer is enabled. Initially, the timer is disabled. As soon as the first\n * source value arrives, the timer is enabled. After `duration` milliseconds (or\n * the time unit determined internally by the optional `scheduler`) has passed,\n * the timer is disabled, then the most recent source value is emitted on the\n * output Observable, and this process repeats for the next source value.\n * Optionally takes a {@link SchedulerLike} for managing timers.\n *\n * ## Example\n *\n * Emit clicks at a rate of at most one click per second\n *\n * ```ts\n * import { fromEvent, auditTime } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(auditTime(1000));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link audit}\n * @see {@link debounceTime}\n * @see {@link delay}\n * @see {@link sampleTime}\n * @see {@link throttleTime}\n *\n * @param duration Time to wait before emitting the most recent source value,\n * measured in milliseconds or the time unit determined internally by the\n * optional `scheduler`.\n * @param scheduler The {@link SchedulerLike} to use for managing the timers\n * that handle the rate-limiting behavior.\n * @return A function that returns an Observable that performs rate-limiting of\n * emissions from the source Observable.\n */\nexport function auditTime<T>(duration: number, scheduler: SchedulerLike = asyncScheduler): MonoTypeOperatorFunction<T> {\n  return audit(() => timer(duration, scheduler));\n}\n", "import { OperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { arrRemove } from '../util/arrRemove';\n\n/**\n * Buffers the source Observable values until the size hits the maximum\n * `bufferSize` given.\n *\n * <span class=\"informal\">Collects values from the past as an array, and emits\n * that array only when its size reaches `bufferSize`.</span>\n *\n * ![](bufferCount.png)\n *\n * Buffers a number of values from the source Observable by `bufferSize` then\n * emits the buffer and clears it, and starts a new buffer each\n * `startBufferEvery` values. If `startBufferEvery` is not provided or is\n * `null`, then new buffers are started immediately at the start of the source\n * and when each buffer closes and is emitted.\n *\n * ## Examples\n *\n * Emit the last two click events as an array\n *\n * ```ts\n * import { fromEvent, bufferCount } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const buffered = clicks.pipe(bufferCount(2));\n * buffered.subscribe(x => console.log(x));\n * ```\n *\n * On every click, emit the last two click events as an array\n *\n * ```ts\n * import { fromEvent, bufferCount } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const buffered = clicks.pipe(bufferCount(2, 1));\n * buffered.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link buffer}\n * @see {@link bufferTime}\n * @see {@link bufferToggle}\n * @see {@link bufferWhen}\n * @see {@link pairwise}\n * @see {@link windowCount}\n *\n * @param bufferSize The maximum size of the buffer emitted.\n * @param startBufferEvery Interval at which to start a new buffer.\n * For example if `startBufferEvery` is `2`, then a new buffer will be started\n * on every other value from the source. A new buffer is started at the\n * beginning of the source by default.\n * @return A function that returns an Observable of arrays of buffered values.\n */\nexport function bufferCount<T>(bufferSize: number, startBufferEvery: number | null = null): OperatorFunction<T, T[]> {\n  // If no `startBufferEvery` value was supplied, then we're\n  // opening and closing on the bufferSize itself.\n  startBufferEvery = startBufferEvery ?? bufferSize;\n\n  return operate((source, subscriber) => {\n    let buffers: T[][] = [];\n    let count = 0;\n\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => {\n          let toEmit: T[][] | null = null;\n\n          // Check to see if we need to start a buffer.\n          // This will start one at the first value, and then\n          // a new one every N after that.\n          if (count++ % startBufferEvery! === 0) {\n            buffers.push([]);\n          }\n\n          // Push our value into our active buffers.\n          for (const buffer of buffers) {\n            buffer.push(value);\n            // Check to see if we're over the bufferSize\n            // if we are, record it so we can emit it later.\n            // If we emitted it now and removed it, it would\n            // mutate the `buffers` array while we're looping\n            // over it.\n            if (bufferSize <= buffer.length) {\n              toEmit = toEmit ?? [];\n              toEmit.push(buffer);\n            }\n          }\n\n          if (toEmit) {\n            // We have found some buffers that are over the\n            // `bufferSize`. Emit them, and remove them from our\n            // buffers list.\n            for (const buffer of toEmit) {\n              arrRemove(buffers, buffer);\n              subscriber.next(buffer);\n            }\n          }\n        },\n        () => {\n          // When the source completes, emit all of our\n          // active buffers.\n          for (const buffer of buffers) {\n            subscriber.next(buffer);\n          }\n          subscriber.complete();\n        },\n        // Pass all errors through to consumer.\n        undefined,\n        () => {\n          // Clean up our memory when we finalize\n          buffers = null!;\n        }\n      )\n    );\n  });\n}\n", "import { Observable } from '../Observable';\n\nimport { ObservableInput, OperatorFunction, ObservedValueOf } from '../types';\nimport { Subscription } from '../Subscription';\nimport { innerFrom } from '../observable/innerFrom';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { operate } from '../util/lift';\n\nexport function catchError<T, O extends ObservableInput<any>>(\n  selector: (err: any, caught: Observable<T>) => O\n): OperatorFunction<T, T | ObservedValueOf<O>>;\n\n/**\n * Catches errors on the observable to be handled by returning a new observable or throwing an error.\n *\n * <span class=\"informal\">\n * It only listens to the error channel and ignores notifications.\n * Handles errors from the source observable, and maps them to a new observable.\n * The error may also be rethrown, or a new error can be thrown to emit an error from the result.\n * </span>\n *\n * ![](catch.png)\n *\n * This operator handles errors, but forwards along all other events to the resulting observable.\n * If the source observable terminates with an error, it will map that error to a new observable,\n * subscribe to it, and forward all of its events to the resulting observable.\n *\n * ## Examples\n *\n * Continue with a different Observable when there's an error\n *\n * ```ts\n * import { of, map, catchError } from 'rxjs';\n *\n * of(1, 2, 3, 4, 5)\n *   .pipe(\n *     map(n => {\n *       if (n === 4) {\n *         throw 'four!';\n *       }\n *       return n;\n *     }),\n *     catchError(err => of('I', 'II', 'III', 'IV', 'V'))\n *   )\n *   .subscribe(x => console.log(x));\n *   // 1, 2, 3, I, II, III, IV, V\n * ```\n *\n * Retry the caught source Observable again in case of error, similar to `retry()` operator\n *\n * ```ts\n * import { of, map, catchError, take } from 'rxjs';\n *\n * of(1, 2, 3, 4, 5)\n *   .pipe(\n *     map(n => {\n *       if (n === 4) {\n *         throw 'four!';\n *       }\n *       return n;\n *     }),\n *     catchError((err, caught) => caught),\n *     take(30)\n *   )\n *   .subscribe(x => console.log(x));\n *   // 1, 2, 3, 1, 2, 3, ...\n * ```\n *\n * Throw a new error when the source Observable throws an error\n *\n * ```ts\n * import { of, map, catchError } from 'rxjs';\n *\n * of(1, 2, 3, 4, 5)\n *   .pipe(\n *     map(n => {\n *       if (n === 4) {\n *         throw 'four!';\n *       }\n *       return n;\n *     }),\n *     catchError(err => {\n *       throw 'error in source. Details: ' + err;\n *     })\n *   )\n *   .subscribe({\n *     next: x => console.log(x),\n *     error: err => console.log(err)\n *   });\n *   // 1, 2, 3, error in source. Details: four!\n * ```\n *\n * @see {@link onErrorResumeNext}\n * @see {@link repeat}\n * @see {@link repeatWhen}\n * @see {@link retry }\n * @see {@link retryWhen}\n *\n * @param selector A function that takes as arguments `err`, which is the error, and `caught`, which\n * is the source observable, in case you'd like to \"retry\" that observable by returning it again.\n * Whatever observable is returned by the `selector` will be used to continue the observable chain.\n * @return A function that returns an Observable that originates from either\n * the source or the Observable returned by the `selector` function.\n */\nexport function catchError<T, O extends ObservableInput<any>>(\n  selector: (err: any, caught: Observable<T>) => O\n): OperatorFunction<T, T | ObservedValueOf<O>> {\n  return operate((source, subscriber) => {\n    let innerSub: Subscription | null = null;\n    let syncUnsub = false;\n    let handledResult: Observable<ObservedValueOf<O>>;\n\n    innerSub = source.subscribe(\n      createOperatorSubscriber(subscriber, undefined, undefined, (err) => {\n        handledResult = innerFrom(selector(err, catchError(selector)(source)));\n        if (innerSub) {\n          innerSub.unsubscribe();\n          innerSub = null;\n          handledResult.subscribe(subscriber);\n        } else {\n          // We don't have an innerSub yet, that means the error was synchronous\n          // because the subscribe call hasn't returned yet.\n          syncUnsub = true;\n        }\n      })\n    );\n\n    if (syncUnsub) {\n      // We have a synchronous error, we need to make sure to\n      // finalize right away. This ensures that callbacks in the `finalize` operator are called\n      // at the right time, and that finalization occurs at the expected\n      // time between the source error and the subscription to the\n      // next observable.\n      innerSub.unsubscribe();\n      innerSub = null;\n      handledResult!.subscribe(subscriber);\n    }\n  });\n}\n", "import { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * A basic scan operation. This is used for `scan` and `reduce`.\n * @param accumulator The accumulator to use\n * @param seed The seed value for the state to accumulate\n * @param hasSeed Whether or not a seed was provided\n * @param emitOnNext Whether or not to emit the state on next\n * @param emitBeforeComplete Whether or not to emit the before completion\n */\n\nexport function scanInternals<V, A, S>(\n  accumulator: (acc: V | A | S, value: V, index: number) => A,\n  seed: S,\n  hasSeed: boolean,\n  emitOnNext: boolean,\n  emitBeforeComplete?: undefined | true\n) {\n  return (source: Observable<V>, subscriber: Subscriber<any>) => {\n    // Whether or not we have state yet. This will only be\n    // false before the first value arrives if we didn't get\n    // a seed value.\n    let hasState = hasSeed;\n    // The state that we're tracking, starting with the seed,\n    // if there is one, and then updated by the return value\n    // from the accumulator on each emission.\n    let state: any = seed;\n    // An index to pass to the accumulator function.\n    let index = 0;\n\n    // Subscribe to our source. All errors and completions are passed through.\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => {\n          // Always increment the index.\n          const i = index++;\n          // Set the state\n          state = hasState\n            ? // We already have state, so we can get the new state from the accumulator\n              accumulator(state, value, i)\n            : // We didn't have state yet, a seed value was not provided, so\n\n              // we set the state to the first value, and mark that we have state now\n              ((hasState = true), value);\n\n          // Maybe send it to the consumer.\n          emitOnNext && subscriber.next(state);\n        },\n        // If an onComplete was given, call it, otherwise\n        // just pass through the complete notification to the consumer.\n        emitBeforeComplete &&\n          (() => {\n            hasState && subscriber.next(state);\n            subscriber.complete();\n          })\n      )\n    );\n  };\n}\n", "import { combineLatestInit } from '../observable/combineLatest';\nimport { ObservableInput, ObservableInputTuple, OperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { argsOrArgArray } from '../util/argsOrArgArray';\nimport { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';\nimport { pipe } from '../util/pipe';\nimport { popResultSelector } from '../util/args';\n\n/** @deprecated Replaced with {@link combineLatestWith}. Will be removed in v8. */\nexport function combineLatest<T, A extends readonly unknown[], R>(\n  sources: [...ObservableInputTuple<A>],\n  project: (...values: [T, ...A]) => R\n): OperatorFunction<T, R>;\n/** @deprecated Replaced with {@link combineLatestWith}. Will be removed in v8. */\nexport function combineLatest<T, A extends readonly unknown[], R>(sources: [...ObservableInputTuple<A>]): OperatorFunction<T, [T, ...A]>;\n\n/** @deprecated Replaced with {@link combineLatestWith}. Will be removed in v8. */\nexport function combineLatest<T, A extends readonly unknown[], R>(\n  ...sourcesAndProject: [...ObservableInputTuple<A>, (...values: [T, ...A]) => R]\n): OperatorFunction<T, R>;\n/** @deprecated Replaced with {@link combineLatestWith}. Will be removed in v8. */\nexport function combineLatest<T, A extends readonly unknown[], R>(...sources: [...ObservableInputTuple<A>]): OperatorFunction<T, [T, ...A]>;\n\n/**\n * @deprecated Replaced with {@link combineLatestWith}. Will be removed in v8.\n */\nexport function combineLatest<T, R>(...args: (ObservableInput<any> | ((...values: any[]) => R))[]): OperatorFunction<T, unknown> {\n  const resultSelector = popResultSelector(args);\n  return resultSelector\n    ? pipe(combineLatest(...(args as Array<ObservableInput<any>>)), mapOneOrManyArgs(resultSelector))\n    : operate((source, subscriber) => {\n        combineLatestInit([source, ...argsOrArgArray(args)])(subscriber);\n      });\n}\n", "import { ObservableInputTuple, OperatorFunction, Cons } from '../types';\nimport { combineLatest } from './combineLatest';\n\n/**\n * Create an observable that combines the latest values from all passed observables and the source\n * into arrays and emits them.\n *\n * Returns an observable, that when subscribed to, will subscribe to the source observable and all\n * sources provided as arguments. Once all sources emit at least one value, all of the latest values\n * will be emitted as an array. After that, every time any source emits a value, all of the latest values\n * will be emitted as an array.\n *\n * This is a useful operator for eagerly calculating values based off of changed inputs.\n *\n * ## Example\n *\n * Simple concatenation of values from two inputs\n *\n * ```ts\n * import { fromEvent, combineLatestWith, map } from 'rxjs';\n *\n * // Setup: Add two inputs to the page\n * const input1 = document.createElement('input');\n * document.body.appendChild(input1);\n * const input2 = document.createElement('input');\n * document.body.appendChild(input2);\n *\n * // Get streams of changes\n * const input1Changes$ = fromEvent(input1, 'change');\n * const input2Changes$ = fromEvent(input2, 'change');\n *\n * // Combine the changes by adding them together\n * input1Changes$.pipe(\n *   combineLatestWith(input2Changes$),\n *   map(([e1, e2]) => (<HTMLInputElement>e1.target).value + ' - ' + (<HTMLInputElement>e2.target).value)\n * )\n * .subscribe(x => console.log(x));\n * ```\n *\n * @param otherSources the other sources to subscribe to.\n * @return A function that returns an Observable that emits the latest\n * emissions from both source and provided Observables.\n */\nexport function combineLatestWith<T, A extends readonly unknown[]>(\n  ...otherSources: [...ObservableInputTuple<A>]\n): OperatorFunction<T, Cons<T, A>> {\n  return combineLatest(...otherSources);\n}\n", "import { Subscriber } from '../Subscriber';\nimport { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { operate } from '../util/lift';\nimport { noop } from '../util/noop';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\n\n/**\n * Emits a notification from the source Observable only after a particular time span\n * determined by another Observable has passed without another source emission.\n *\n * <span class=\"informal\">It's like {@link debounceTime}, but the time span of\n * emission silence is determined by a second Observable.</span>\n *\n * ![](debounce.svg)\n *\n * `debounce` delays notifications emitted by the source Observable, but drops previous\n * pending delayed emissions if a new notification arrives on the source Observable.\n * This operator keeps track of the most recent notification from the source\n * Observable, and spawns a duration Observable by calling the\n * `durationSelector` function. The notification is emitted only when the duration\n * Observable emits a next notification, and if no other notification was emitted on\n * the source Observable since the duration Observable was spawned. If a new\n * notification appears before the duration Observable emits, the previous notification will\n * not be emitted and a new duration is scheduled from `durationSelector` is scheduled.\n * If the completing event happens during the scheduled duration the last cached notification\n * is emitted before the completion event is forwarded to the output observable.\n * If the error event happens during the scheduled duration or after it only the error event is\n * forwarded to the output observable. The cache notification is not emitted in this case.\n *\n * Like {@link debounceTime}, this is a rate-limiting operator, and also a\n * delay-like operator since output emissions do not necessarily occur at the\n * same time as they did on the source Observable.\n *\n * ## Example\n *\n * Emit the most recent click after a burst of clicks\n *\n * ```ts\n * import { fromEvent, scan, debounce, interval } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(\n *   scan(i => ++i, 1),\n *   debounce(i => interval(200 * i))\n * );\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link audit}\n * @see {@link auditTime}\n * @see {@link debounceTime}\n * @see {@link delay}\n * @see {@link sample}\n * @see {@link sampleTime}\n * @see {@link throttle}\n * @see {@link throttleTime}\n *\n * @param durationSelector A function\n * that receives a value from the source Observable, for computing the timeout\n * duration for each source value, returned as an Observable or a Promise.\n * @return A function that returns an Observable that delays the emissions of\n * the source Observable by the specified duration Observable returned by\n * `durationSelector`, and may drop some values if they occur too frequently.\n */\nexport function debounce<T>(durationSelector: (value: T) => ObservableInput<any>): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    let hasValue = false;\n    let lastValue: T | null = null;\n    // The subscriber/subscription for the current debounce, if there is one.\n    let durationSubscriber: Subscriber<any> | null = null;\n\n    const emit = () => {\n      // Unsubscribe any current debounce subscription we have,\n      // we only cared about the first notification from it, and we\n      // want to clean that subscription up as soon as possible.\n      durationSubscriber?.unsubscribe();\n      durationSubscriber = null;\n      if (hasValue) {\n        // We have a value! Free up memory first, then emit the value.\n        hasValue = false;\n        const value = lastValue!;\n        lastValue = null;\n        subscriber.next(value);\n      }\n    };\n\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value: T) => {\n          // Cancel any pending debounce duration. We don't\n          // need to null it out here yet tho, because we're just going\n          // to create another one in a few lines.\n          durationSubscriber?.unsubscribe();\n          hasValue = true;\n          lastValue = value;\n          // Capture our duration subscriber, so we can unsubscribe it when we're notified\n          // and we're going to emit the value.\n          durationSubscriber = createOperatorSubscriber(subscriber, emit, noop);\n          // Subscribe to the duration.\n          innerFrom(durationSelector(value)).subscribe(durationSubscriber);\n        },\n        () => {\n          // Source completed.\n          // Emit any pending debounced values then complete\n          emit();\n          subscriber.complete();\n        },\n        // Pass all errors through to consumer\n        undefined,\n        () => {\n          // Finalization.\n          lastValue = durationSubscriber = null;\n        }\n      )\n    );\n  });\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { Subscription } from '../Subscription';\nimport { MonoTypeOperatorFunction, SchedulerAction, SchedulerLike } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * Emits a notification from the source Observable only after a particular time span\n * has passed without another source emission.\n *\n * <span class=\"informal\">It's like {@link delay}, but passes only the most\n * recent notification from each burst of emissions.</span>\n *\n * ![](debounceTime.png)\n *\n * `debounceTime` delays notifications emitted by the source Observable, but drops\n * previous pending delayed emissions if a new notification arrives on the source\n * Observable. This operator keeps track of the most recent notification from the\n * source Observable, and emits that only when `dueTime` has passed\n * without any other notification appearing on the source Observable. If a new value\n * appears before `dueTime` silence occurs, the previous notification will be dropped\n * and will not be emitted and a new `dueTime` is scheduled.\n * If the completing event happens during `dueTime` the last cached notification\n * is emitted before the completion event is forwarded to the output observable.\n * If the error event happens during `dueTime` or after it only the error event is\n * forwarded to the output observable. The cache notification is not emitted in this case.\n *\n * This is a rate-limiting operator, because it is impossible for more than one\n * notification to be emitted in any time window of duration `dueTime`, but it is also\n * a delay-like operator since output emissions do not occur at the same time as\n * they did on the source Observable. Optionally takes a {@link SchedulerLike} for\n * managing timers.\n *\n * ## Example\n *\n * Emit the most recent click after a burst of clicks\n *\n * ```ts\n * import { fromEvent, debounceTime } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(debounceTime(1000));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link audit}\n * @see {@link auditTime}\n * @see {@link debounce}\n * @see {@link sample}\n * @see {@link sampleTime}\n * @see {@link throttle}\n * @see {@link throttleTime}\n *\n * @param dueTime The timeout duration in milliseconds (or the time unit determined\n * internally by the optional `scheduler`) for the window of time required to wait\n * for emission silence before emitting the most recent source value.\n * @param scheduler The {@link SchedulerLike} to use for managing the timers that\n * handle the timeout for each value.\n * @return A function that returns an Observable that delays the emissions of\n * the source Observable by the specified `dueTime`, and may drop some values\n * if they occur too frequently.\n */\nexport function debounceTime<T>(dueTime: number, scheduler: SchedulerLike = asyncScheduler): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    let activeTask: Subscription | null = null;\n    let lastValue: T | null = null;\n    let lastTime: number | null = null;\n\n    const emit = () => {\n      if (activeTask) {\n        // We have a value! Free up memory first, then emit the value.\n        activeTask.unsubscribe();\n        activeTask = null;\n        const value = lastValue!;\n        lastValue = null;\n        subscriber.next(value);\n      }\n    };\n    function emitWhenIdle(this: SchedulerAction<unknown>) {\n      // This is called `dueTime` after the first value\n      // but we might have received new values during this window!\n\n      const targetTime = lastTime! + dueTime;\n      const now = scheduler.now();\n      if (now < targetTime) {\n        // On that case, re-schedule to the new target\n        activeTask = this.schedule(undefined, targetTime - now);\n        subscriber.add(activeTask);\n        return;\n      }\n\n      emit();\n    }\n\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value: T) => {\n          lastValue = value;\n          lastTime = scheduler.now();\n\n          // Only set up a task if it's not already up\n          if (!activeTask) {\n            activeTask = scheduler.schedule(emitWhenIdle, dueTime);\n            subscriber.add(activeTask);\n          }\n        },\n        () => {\n          // Source completed.\n          // Emit any pending debounced values then complete\n          emit();\n          subscriber.complete();\n        },\n        // Pass all errors through to consumer.\n        undefined,\n        () => {\n          // Finalization.\n          lastValue = activeTask = null;\n        }\n      )\n    );\n  });\n}\n", "import { OperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * Emits a given value if the source Observable completes without emitting any\n * `next` value, otherwise mirrors the source Observable.\n *\n * <span class=\"informal\">If the source Observable turns out to be empty, then\n * this operator will emit a default value.</span>\n *\n * ![](defaultIfEmpty.png)\n *\n * `defaultIfEmpty` emits the values emitted by the source Observable or a\n * specified default value if the source Observable is empty (completes without\n * having emitted any `next` value).\n *\n * ## Example\n *\n * If no clicks happen in 5 seconds, then emit 'no clicks'\n *\n * ```ts\n * import { fromEvent, takeUntil, interval, defaultIfEmpty } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const clicksBeforeFive = clicks.pipe(takeUntil(interval(5000)));\n * const result = clicksBeforeFive.pipe(defaultIfEmpty('no clicks'));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link empty}\n * @see {@link last}\n *\n * @param defaultValue The default value used if the source\n * Observable is empty.\n * @return A function that returns an Observable that emits either the\n * specified `defaultValue` if the source Observable emits no items, or the\n * values emitted by the source Observable.\n */\nexport function defaultIfEmpty<T, R>(defaultValue: R): OperatorFunction<T, T | R> {\n  return operate((source, subscriber) => {\n    let hasValue = false;\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => {\n          hasValue = true;\n          subscriber.next(value);\n        },\n        () => {\n          if (!hasValue) {\n            subscriber.next(defaultValue!);\n          }\n          subscriber.complete();\n        }\n      )\n    );\n  });\n}\n", "import { MonoTypeOperatorFunction } from '../types';\nimport { EMPTY } from '../observable/empty';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * Emits only the first `count` values emitted by the source Observable.\n *\n * <span class=\"informal\">Takes the first `count` values from the source, then\n * completes.</span>\n *\n * ![](take.png)\n *\n * `take` returns an Observable that emits only the first `count` values emitted\n * by the source Observable. If the source emits fewer than `count` values then\n * all of its values are emitted. After that, it completes, regardless if the\n * source completes.\n *\n * ## Example\n *\n * Take the first 5 seconds of an infinite 1-second interval Observable\n *\n * ```ts\n * import { interval, take } from 'rxjs';\n *\n * const intervalCount = interval(1000);\n * const takeFive = intervalCount.pipe(take(5));\n * takeFive.subscribe(x => console.log(x));\n *\n * // Logs:\n * // 0\n * // 1\n * // 2\n * // 3\n * // 4\n * ```\n *\n * @see {@link takeLast}\n * @see {@link takeUntil}\n * @see {@link takeWhile}\n * @see {@link skip}\n *\n * @param count The maximum number of `next` values to emit.\n * @return A function that returns an Observable that emits only the first\n * `count` values emitted by the source Observable, or all of the values from\n * the source if the source emits fewer than `count` values.\n */\nexport function take<T>(count: number): MonoTypeOperatorFunction<T> {\n  return count <= 0\n    ? // If we are taking no values, that's empty.\n      () => EMPTY\n    : operate((source, subscriber) => {\n        let seen = 0;\n        source.subscribe(\n          createOperatorSubscriber(subscriber, (value) => {\n            // Increment the number of values we have seen,\n            // then check it against the allowed count to see\n            // if we are still letting values through.\n            if (++seen <= count) {\n              subscriber.next(value);\n              // If we have met or passed our allowed count,\n              // we need to complete. We have to do <= here,\n              // because re-entrant code will increment `seen` twice.\n              if (count <= seen) {\n                subscriber.complete();\n              }\n            }\n          })\n        );\n      });\n}\n", "import { OperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { noop } from '../util/noop';\n\n/**\n * Ignores all items emitted by the source Observable and only passes calls of `complete` or `error`.\n *\n * ![](ignoreElements.png)\n *\n * The `ignoreElements` operator suppresses all items emitted by the source Observable,\n * but allows its termination notification (either `error` or `complete`) to pass through unchanged.\n *\n * If you do not care about the items being emitted by an Observable, but you do want to be notified\n * when it completes or when it terminates with an error, you can apply the `ignoreElements` operator\n * to the Observable, which will ensure that it will never call its observers\u2019 `next` handlers.\n *\n * ## Example\n *\n * Ignore all `next` emissions from the source\n *\n * ```ts\n * import { of, ignoreElements } from 'rxjs';\n *\n * of('you', 'talking', 'to', 'me')\n *   .pipe(ignoreElements())\n *   .subscribe({\n *     next: word => console.log(word),\n *     error: err => console.log('error:', err),\n *     complete: () => console.log('the end'),\n *   });\n *\n * // result:\n * // 'the end'\n * ```\n *\n * @return A function that returns an empty Observable that only calls\n * `complete` or `error`, based on which one is called by the source\n * Observable.\n */\nexport function ignoreElements(): OperatorFunction<unknown, never> {\n  return operate((source, subscriber) => {\n    source.subscribe(createOperatorSubscriber(subscriber, noop));\n  });\n}\n", "import { OperatorFunction } from '../types';\nimport { map } from './map';\n\n/** @deprecated To be removed in v9. Use {@link map} instead: `map(() => value)`. */\nexport function mapTo<R>(value: R): OperatorFunction<unknown, R>;\n/**\n * @deprecated Do not specify explicit type parameters. Signatures with type parameters\n * that cannot be inferred will be removed in v8. `mapTo` itself will be removed in v9,\n * use {@link map} instead: `map(() => value)`.\n * */\nexport function mapTo<T, R>(value: R): OperatorFunction<T, R>;\n\n/**\n * Emits the given constant value on the output Observable every time the source\n * Observable emits a value.\n *\n * <span class=\"informal\">Like {@link map}, but it maps every source value to\n * the same output value every time.</span>\n *\n * ![](mapTo.png)\n *\n * Takes a constant `value` as argument, and emits that whenever the source\n * Observable emits a value. In other words, ignores the actual source value,\n * and simply uses the emission moment to know when to emit the given `value`.\n *\n * ## Example\n *\n * Map every click to the string `'Hi'`\n *\n * ```ts\n * import { fromEvent, mapTo } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const greetings = clicks.pipe(mapTo('Hi'));\n *\n * greetings.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link map}\n *\n * @param value The value to map each source value to.\n * @return A function that returns an Observable that emits the given `value`\n * every time the source Observable emits.\n * @deprecated To be removed in v9. Use {@link map} instead: `map(() => value)`.\n */\nexport function mapTo<R>(value: R): OperatorFunction<unknown, R> {\n  return map(() => value);\n}\n", "import { Observable } from '../Observable';\nimport { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { concat } from '../observable/concat';\nimport { take } from './take';\nimport { ignoreElements } from './ignoreElements';\nimport { mapTo } from './mapTo';\nimport { mergeMap } from './mergeMap';\nimport { innerFrom } from '../observable/innerFrom';\n\n/** @deprecated The `subscriptionDelay` parameter will be removed in v8. */\nexport function delayWhen<T>(\n  delayDurationSelector: (value: T, index: number) => ObservableInput<any>,\n  subscriptionDelay: Observable<any>\n): MonoTypeOperatorFunction<T>;\nexport function delayWhen<T>(delayDurationSelector: (value: T, index: number) => ObservableInput<any>): MonoTypeOperatorFunction<T>;\n\n/**\n * Delays the emission of items from the source Observable by a given time span\n * determined by the emissions of another Observable.\n *\n * <span class=\"informal\">It's like {@link delay}, but the time span of the\n * delay duration is determined by a second Observable.</span>\n *\n * ![](delayWhen.png)\n *\n * `delayWhen` operator shifts each emitted value from the source Observable by\n * a time span determined by another Observable. When the source emits a value,\n * the `delayDurationSelector` function is called with the value emitted from\n * the source Observable as the first argument to the `delayDurationSelector`.\n * The `delayDurationSelector` function should return an {@link ObservableInput},\n * that is internally converted to an Observable that is called the \"duration\"\n * Observable.\n *\n * The source value is emitted on the output Observable only when the \"duration\"\n * Observable emits ({@link guide/glossary-and-semantics#next next}s) any value.\n * Upon that, the \"duration\" Observable gets unsubscribed.\n *\n * Before RxJS V7, the {@link guide/glossary-and-semantics#complete completion}\n * of the \"duration\" Observable would have been triggering the emission of the\n * source value to the output Observable, but with RxJS V7, this is not the case\n * anymore.\n *\n * Only next notifications (from the \"duration\" Observable) trigger values from\n * the source Observable to be passed to the output Observable. If the \"duration\"\n * Observable only emits the complete notification (without next), the value\n * emitted by the source Observable will never get to the output Observable - it\n * will be swallowed. If the \"duration\" Observable errors, the error will be\n * propagated to the output Observable.\n *\n * Optionally, `delayWhen` takes a second argument, `subscriptionDelay`, which\n * is an Observable. When `subscriptionDelay` emits its first value or\n * completes, the source Observable is subscribed to and starts behaving like\n * described in the previous paragraph. If `subscriptionDelay` is not provided,\n * `delayWhen` will subscribe to the source Observable as soon as the output\n * Observable is subscribed.\n *\n * ## Example\n *\n * Delay each click by a random amount of time, between 0 and 5 seconds\n *\n * ```ts\n * import { fromEvent, delayWhen, interval } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const delayedClicks = clicks.pipe(\n *   delayWhen(() => interval(Math.random() * 5000))\n * );\n * delayedClicks.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link delay}\n * @see {@link throttle}\n * @see {@link throttleTime}\n * @see {@link debounce}\n * @see {@link debounceTime}\n * @see {@link sample}\n * @see {@link sampleTime}\n * @see {@link audit}\n * @see {@link auditTime}\n *\n * @param delayDurationSelector A function that returns an `ObservableInput` for\n * each `value` emitted by the source Observable, which is then used to delay the\n * emission of that `value` on the output Observable until the `ObservableInput`\n * returned from this function emits a next value. When called, beside `value`,\n * this function receives a zero-based `index` of the emission order.\n * @param subscriptionDelay An Observable that triggers the subscription to the\n * source Observable once it emits any value.\n * @return A function that returns an Observable that delays the emissions of\n * the source Observable by an amount of time specified by the Observable\n * returned by `delayDurationSelector`.\n */\nexport function delayWhen<T>(\n  delayDurationSelector: (value: T, index: number) => ObservableInput<any>,\n  subscriptionDelay?: Observable<any>\n): MonoTypeOperatorFunction<T> {\n  if (subscriptionDelay) {\n    // DEPRECATED PATH\n    return (source: Observable<T>) =>\n      concat(subscriptionDelay.pipe(take(1), ignoreElements()), source.pipe(delayWhen(delayDurationSelector)));\n  }\n\n  return mergeMap((value, index) => innerFrom(delayDurationSelector(value, index)).pipe(take(1), mapTo(value)));\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { MonoTypeOperatorFunction, SchedulerLike } from '../types';\nimport { delayWhen } from './delayWhen';\nimport { timer } from '../observable/timer';\n\n/**\n * Delays the emission of items from the source Observable by a given timeout or\n * until a given Date.\n *\n * <span class=\"informal\">Time shifts each item by some specified amount of\n * milliseconds.</span>\n *\n * ![](delay.svg)\n *\n * If the delay argument is a Number, this operator time shifts the source\n * Observable by that amount of time expressed in milliseconds. The relative\n * time intervals between the values are preserved.\n *\n * If the delay argument is a Date, this operator time shifts the start of the\n * Observable execution until the given date occurs.\n *\n * ## Examples\n *\n * Delay each click by one second\n *\n * ```ts\n * import { fromEvent, delay } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const delayedClicks = clicks.pipe(delay(1000)); // each click emitted after 1 second\n * delayedClicks.subscribe(x => console.log(x));\n * ```\n *\n * Delay all clicks until a future date happens\n *\n * ```ts\n * import { fromEvent, delay } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const date = new Date('March 15, 2050 12:00:00'); // in the future\n * const delayedClicks = clicks.pipe(delay(date)); // click emitted only after that date\n * delayedClicks.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link delayWhen}\n * @see {@link throttle}\n * @see {@link throttleTime}\n * @see {@link debounce}\n * @see {@link debounceTime}\n * @see {@link sample}\n * @see {@link sampleTime}\n * @see {@link audit}\n * @see {@link auditTime}\n *\n * @param due The delay duration in milliseconds (a `number`) or a `Date` until\n * which the emission of the source items is delayed.\n * @param scheduler The {@link SchedulerLike} to use for managing the timers\n * that handle the time-shift for each item.\n * @return A function that returns an Observable that delays the emissions of\n * the source Observable by the specified timeout or Date.\n */\nexport function delay<T>(due: number | Date, scheduler: SchedulerLike = asyncScheduler): MonoTypeOperatorFunction<T> {\n  const duration = timer(due, scheduler);\n  return delayWhen(() => duration);\n}\n", "import { MonoTypeOperatorFunction } from '../types';\nimport { identity } from '../util/identity';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\nexport function distinctUntilChanged<T>(comparator?: (previous: T, current: T) => boolean): MonoTypeOperatorFunction<T>;\nexport function distinctUntilChanged<T, K>(\n  comparator: (previous: K, current: K) => boolean,\n  keySelector: (value: T) => K\n): MonoTypeOperatorFunction<T>;\n\n/**\n * Returns a result {@link Observable} that emits all values pushed by the source observable if they\n * are distinct in comparison to the last value the result observable emitted.\n *\n * When provided without parameters or with the first parameter (`{@link distinctUntilChanged#comparator comparator}`),\n * it behaves like this:\n *\n * 1. It will always emit the first value from the source.\n * 2. For all subsequent values pushed by the source, they will be compared to the previously emitted values\n *    using the provided `comparator` or an `===` equality check.\n * 3. If the value pushed by the source is determined to be unequal by this check, that value is emitted and\n *    becomes the new \"previously emitted value\" internally.\n *\n * When the second parameter (`{@link distinctUntilChanged#keySelector keySelector}`) is provided, the behavior\n * changes:\n *\n * 1. It will always emit the first value from the source.\n * 2. The `keySelector` will be run against all values, including the first value.\n * 3. For all values after the first, the selected key will be compared against the key selected from\n *    the previously emitted value using the `comparator`.\n * 4. If the keys are determined to be unequal by this check, the value (not the key), is emitted\n *    and the selected key from that value is saved for future comparisons against other keys.\n *\n * ## Examples\n *\n * A very basic example with no `{@link distinctUntilChanged#comparator comparator}`. Note that `1` is emitted more than once,\n * because it's distinct in comparison to the _previously emitted_ value,\n * not in comparison to _all other emitted values_.\n *\n * ```ts\n * import { of, distinctUntilChanged } from 'rxjs';\n *\n * of(1, 1, 1, 2, 2, 2, 1, 1, 3, 3)\n *   .pipe(distinctUntilChanged())\n *   .subscribe(console.log);\n * // Logs: 1, 2, 1, 3\n * ```\n *\n * With a `{@link distinctUntilChanged#comparator comparator}`, you can do custom comparisons. Let's say\n * you only want to emit a value when all of its components have\n * changed:\n *\n * ```ts\n * import { of, distinctUntilChanged } from 'rxjs';\n *\n * const totallyDifferentBuilds$ = of(\n *   { engineVersion: '1.1.0', transmissionVersion: '1.2.0' },\n *   { engineVersion: '1.1.0', transmissionVersion: '1.4.0' },\n *   { engineVersion: '1.3.0', transmissionVersion: '1.4.0' },\n *   { engineVersion: '1.3.0', transmissionVersion: '1.5.0' },\n *   { engineVersion: '2.0.0', transmissionVersion: '1.5.0' }\n * ).pipe(\n *   distinctUntilChanged((prev, curr) => {\n *     return (\n *       prev.engineVersion === curr.engineVersion ||\n *       prev.transmissionVersion === curr.transmissionVersion\n *     );\n *   })\n * );\n *\n * totallyDifferentBuilds$.subscribe(console.log);\n *\n * // Logs:\n * // { engineVersion: '1.1.0', transmissionVersion: '1.2.0' }\n * // { engineVersion: '1.3.0', transmissionVersion: '1.4.0' }\n * // { engineVersion: '2.0.0', transmissionVersion: '1.5.0' }\n * ```\n *\n * You can also provide a custom `{@link distinctUntilChanged#comparator comparator}` to check that emitted\n * changes are only in one direction. Let's say you only want to get\n * the next record temperature:\n *\n * ```ts\n * import { of, distinctUntilChanged } from 'rxjs';\n *\n * const temps$ = of(30, 31, 20, 34, 33, 29, 35, 20);\n *\n * const recordHighs$ = temps$.pipe(\n *   distinctUntilChanged((prevHigh, temp) => {\n *     // If the current temp is less than\n *     // or the same as the previous record,\n *     // the record hasn't changed.\n *     return temp <= prevHigh;\n *   })\n * );\n *\n * recordHighs$.subscribe(console.log);\n * // Logs: 30, 31, 34, 35\n * ```\n *\n * Selecting update events only when the `updatedBy` field shows\n * the account changed hands.\n *\n * ```ts\n * import { of, distinctUntilChanged } from 'rxjs';\n *\n * // A stream of updates to a given account\n * const accountUpdates$ = of(\n *   { updatedBy: 'blesh', data: [] },\n *   { updatedBy: 'blesh', data: [] },\n *   { updatedBy: 'ncjamieson', data: [] },\n *   { updatedBy: 'ncjamieson', data: [] },\n *   { updatedBy: 'blesh', data: [] }\n * );\n *\n * // We only want the events where it changed hands\n * const changedHands$ = accountUpdates$.pipe(\n *   distinctUntilChanged(undefined, update => update.updatedBy)\n * );\n *\n * changedHands$.subscribe(console.log);\n * // Logs:\n * // { updatedBy: 'blesh', data: Array[0] }\n * // { updatedBy: 'ncjamieson', data: Array[0] }\n * // { updatedBy: 'blesh', data: Array[0] }\n * ```\n *\n * @see {@link distinct}\n * @see {@link distinctUntilKeyChanged}\n *\n * @param comparator A function used to compare the previous and current keys for\n * equality. Defaults to a `===` check.\n * @param keySelector Used to select a key value to be passed to the `comparator`.\n *\n * @return A function that returns an Observable that emits items from the\n * source Observable with distinct values.\n */\nexport function distinctUntilChanged<T, K>(\n  comparator?: (previous: K, current: K) => boolean,\n  keySelector: (value: T) => K = identity as (value: T) => K\n): MonoTypeOperatorFunction<T> {\n  // We've been allowing `null` do be passed as the `compare`, so we can't do\n  // a default value for the parameter, because that will only work\n  // for `undefined`.\n  comparator = comparator ?? defaultCompare;\n\n  return operate((source, subscriber) => {\n    // The previous key, used to compare against keys selected\n    // from new arrivals to determine \"distinctiveness\".\n    let previousKey: K;\n    // Whether or not this is the first value we've gotten.\n    let first = true;\n\n    source.subscribe(\n      createOperatorSubscriber(subscriber, (value) => {\n        // We always call the key selector.\n        const currentKey = keySelector(value);\n\n        // If it's the first value, we always emit it.\n        // Otherwise, we compare this key to the previous key, and\n        // if the comparer returns false, we emit.\n        if (first || !comparator!(previousKey, currentKey)) {\n          // Update our state *before* we emit the value\n          // as emission can be the source of re-entrant code\n          // in functional libraries like this. We only really\n          // need to do this if it's the first value, or if the\n          // key we're tracking in previous needs to change.\n          first = false;\n          previousKey = currentKey;\n\n          // Emit the value!\n          subscriber.next(value);\n        }\n      })\n    );\n  });\n}\n\nfunction defaultCompare(a: any, b: any) {\n  return a === b;\n}\n", "import { distinctUntilChanged } from './distinctUntilChanged';\nimport { MonoTypeOperatorFunction } from '../types';\n\nexport function distinctUntilKeyChanged<T>(key: keyof T): MonoTypeOperatorFunction<T>;\nexport function distinctUntilKeyChanged<T, K extends keyof T>(key: K, compare: (x: T[K], y: T[K]) => boolean): MonoTypeOperatorFunction<T>;\n\n/**\n * Returns an Observable that emits all items emitted by the source Observable that\n * are distinct by comparison from the previous item, using a property accessed by\n * using the key provided to check if the two items are distinct.\n *\n * If a comparator function is provided, then it will be called for each item to\n * test for whether that value should be emitted or not.\n *\n * If a comparator function is not provided, an equality check is used by default.\n *\n * ## Examples\n *\n * An example comparing the name of persons\n *\n * ```ts\n * import { of, distinctUntilKeyChanged } from 'rxjs';\n *\n * of(\n *   { age: 4, name: 'Foo' },\n *   { age: 7, name: 'Bar' },\n *   { age: 5, name: 'Foo' },\n *   { age: 6, name: 'Foo' }\n * ).pipe(\n *   distinctUntilKeyChanged('name')\n * )\n * .subscribe(x => console.log(x));\n *\n * // displays:\n * // { age: 4, name: 'Foo' }\n * // { age: 7, name: 'Bar' }\n * // { age: 5, name: 'Foo' }\n * ```\n *\n * An example comparing the first letters of the name\n *\n * ```ts\n * import { of, distinctUntilKeyChanged } from 'rxjs';\n *\n * of(\n *   { age: 4, name: 'Foo1' },\n *   { age: 7, name: 'Bar' },\n *   { age: 5, name: 'Foo2' },\n *   { age: 6, name: 'Foo3' }\n * ).pipe(\n *   distinctUntilKeyChanged('name', (x, y) => x.substring(0, 3) === y.substring(0, 3))\n * )\n * .subscribe(x => console.log(x));\n *\n * // displays:\n * // { age: 4, name: 'Foo1' }\n * // { age: 7, name: 'Bar' }\n * // { age: 5, name: 'Foo2' }\n * ```\n *\n * @see {@link distinct}\n * @see {@link distinctUntilChanged}\n *\n * @param key String key for object property lookup on each item.\n * @param compare Optional comparison function called to test if an item is distinct\n * from the previous item in the source.\n * @return A function that returns an Observable that emits items from the source\n * Observable with distinct values based on the key specified.\n */\nexport function distinctUntilKeyChanged<T, K extends keyof T>(\n  key: K,\n  compare?: (x: T[K], y: T[K]) => boolean\n): MonoTypeOperatorFunction<T> {\n  return distinctUntilChanged((x: T, y: T) => (compare ? compare(x[key], y[key]) : x[key] === y[key]));\n}\n", "import { EmptyError } from '../util/EmptyError';\nimport { MonoTypeOperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * If the source observable completes without emitting a value, it will emit\n * an error. The error will be created at that time by the optional\n * `errorFactory` argument, otherwise, the error will be {@link EmptyError}.\n *\n * ![](throwIfEmpty.png)\n *\n * ## Example\n *\n * Throw an error if the document wasn't clicked within 1 second\n *\n * ```ts\n * import { fromEvent, takeUntil, timer, throwIfEmpty } from 'rxjs';\n *\n * const click$ = fromEvent(document, 'click');\n *\n * click$.pipe(\n *   takeUntil(timer(1000)),\n *   throwIfEmpty(() => new Error('The document was not clicked within 1 second'))\n * )\n * .subscribe({\n *   next() {\n *    console.log('The document was clicked');\n *   },\n *   error(err) {\n *     console.error(err.message);\n *   }\n * });\n * ```\n *\n * @param errorFactory A factory function called to produce the\n * error to be thrown when the source observable completes without emitting a\n * value.\n * @return A function that returns an Observable that throws an error if the\n * source Observable completed without emitting.\n */\nexport function throwIfEmpty<T>(errorFactory: () => any = defaultErrorFactory): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    let hasValue = false;\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => {\n          hasValue = true;\n          subscriber.next(value);\n        },\n        () => (hasValue ? subscriber.complete() : subscriber.error(errorFactory()))\n      )\n    );\n  });\n}\n\nfunction defaultErrorFactory() {\n  return new EmptyError();\n}\n", "/** prettier */\nimport { Observable } from '../Observable';\nimport { concat } from '../observable/concat';\nimport { of } from '../observable/of';\nimport { MonoTypeOperatorFunction, SchedulerLike, OperatorFunction, ValueFromArray } from '../types';\n\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `concatAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function endWith<T>(scheduler: SchedulerLike): MonoTypeOperatorFunction<T>;\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `concatAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function endWith<T, A extends unknown[] = T[]>(\n  ...valuesAndScheduler: [...A, SchedulerLike]\n): OperatorFunction<T, T | ValueFromArray<A>>;\n\nexport function endWith<T, A extends unknown[] = T[]>(...values: A): OperatorFunction<T, T | ValueFromArray<A>>;\n\n/**\n * Returns an observable that will emit all values from the source, then synchronously emit\n * the provided value(s) immediately after the source completes.\n *\n * NOTE: Passing a last argument of a Scheduler is _deprecated_, and may result in incorrect\n * types in TypeScript.\n *\n * This is useful for knowing when an observable ends. Particularly when paired with an\n * operator like {@link takeUntil}\n *\n * ![](endWith.png)\n *\n * ## Example\n *\n * Emit values to know when an interval starts and stops. The interval will\n * stop when a user clicks anywhere on the document.\n *\n * ```ts\n * import { interval, map, fromEvent, startWith, takeUntil, endWith } from 'rxjs';\n *\n * const ticker$ = interval(5000).pipe(\n *   map(() => 'tick')\n * );\n *\n * const documentClicks$ = fromEvent(document, 'click');\n *\n * ticker$.pipe(\n *   startWith('interval started'),\n *   takeUntil(documentClicks$),\n *   endWith('interval ended by click')\n * )\n * .subscribe(x => console.log(x));\n *\n * // Result (assuming a user clicks after 15 seconds)\n * // 'interval started'\n * // 'tick'\n * // 'tick'\n * // 'tick'\n * // 'interval ended by click'\n * ```\n *\n * @see {@link startWith}\n * @see {@link concat}\n * @see {@link takeUntil}\n *\n * @param values Items you want the modified Observable to emit last.\n * @return A function that returns an Observable that emits all values from the\n * source, then synchronously emits the provided value(s) immediately after the\n * source completes.\n */\nexport function endWith<T>(...values: Array<T | SchedulerLike>): MonoTypeOperatorFunction<T> {\n  return (source: Observable<T>) => concat(source, of(...values)) as Observable<T>;\n}\n", "import { MonoTypeOperatorFunction } from '../types';\nimport { operate } from '../util/lift';\n\n/**\n * Returns an Observable that mirrors the source Observable, but will call a specified function when\n * the source terminates on complete or error.\n * The specified function will also be called when the subscriber explicitly unsubscribes.\n *\n * ## Examples\n *\n * Execute callback function when the observable completes\n *\n * ```ts\n * import { interval, take, finalize } from 'rxjs';\n *\n * // emit value in sequence every 1 second\n * const source = interval(1000);\n * const example = source.pipe(\n *   take(5), //take only the first 5 values\n *   finalize(() => console.log('Sequence complete')) // Execute when the observable completes\n * );\n * const subscribe = example.subscribe(val => console.log(val));\n *\n * // results:\n * // 0\n * // 1\n * // 2\n * // 3\n * // 4\n * // 'Sequence complete'\n * ```\n *\n * Execute callback function when the subscriber explicitly unsubscribes\n *\n * ```ts\n * import { interval, finalize, tap, noop, timer } from 'rxjs';\n *\n * const source = interval(100).pipe(\n *   finalize(() => console.log('[finalize] Called')),\n *   tap({\n *     next: () => console.log('[next] Called'),\n *     error: () => console.log('[error] Not called'),\n *     complete: () => console.log('[tap complete] Not called')\n *   })\n * );\n *\n * const sub = source.subscribe({\n *   next: x => console.log(x),\n *   error: noop,\n *   complete: () => console.log('[complete] Not called')\n * });\n *\n * timer(150).subscribe(() => sub.unsubscribe());\n *\n * // results:\n * // '[next] Called'\n * // 0\n * // '[finalize] Called'\n * ```\n *\n * @param callback Function to be called when source terminates.\n * @return A function that returns an Observable that mirrors the source, but\n * will call the specified function on termination.\n */\nexport function finalize<T>(callback: () => void): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    // TODO: This try/finally was only added for `useDeprecatedSynchronousErrorHandling`.\n    // REMOVE THIS WHEN THAT HOT GARBAGE IS REMOVED IN V8.\n    try {\n      source.subscribe(subscriber);\n    } finally {\n      subscriber.add(callback);\n    }\n  });\n}\n", "import { Observable } from '../Observable';\nimport { EmptyError } from '../util/EmptyError';\nimport { OperatorFunction, TruthyTypesOf } from '../types';\nimport { filter } from './filter';\nimport { take } from './take';\nimport { defaultIfEmpty } from './defaultIfEmpty';\nimport { throwIfEmpty } from './throwIfEmpty';\nimport { identity } from '../util/identity';\n\nexport function first<T, D = T>(predicate?: null, defaultValue?: D): OperatorFunction<T, T | D>;\nexport function first<T>(predicate: BooleanConstructor): OperatorFunction<T, TruthyTypesOf<T>>;\nexport function first<T, D>(predicate: BooleanConstructor, defaultValue: D): OperatorFunction<T, TruthyTypesOf<T> | D>;\nexport function first<T, S extends T>(\n  predicate: (value: T, index: number, source: Observable<T>) => value is S,\n  defaultValue?: S\n): OperatorFunction<T, S>;\nexport function first<T, S extends T, D>(\n  predicate: (value: T, index: number, source: Observable<T>) => value is S,\n  defaultValue: D\n): OperatorFunction<T, S | D>;\nexport function first<T, D = T>(\n  predicate: (value: T, index: number, source: Observable<T>) => boolean,\n  defaultValue?: D\n): OperatorFunction<T, T | D>;\n\n/**\n * Emits only the first value (or the first value that meets some condition)\n * emitted by the source Observable.\n *\n * <span class=\"informal\">Emits only the first value. Or emits only the first\n * value that passes some test.</span>\n *\n * ![](first.png)\n *\n * If called with no arguments, `first` emits the first value of the source\n * Observable, then completes. If called with a `predicate` function, `first`\n * emits the first value of the source that matches the specified condition. Emits an error\n * notification if `defaultValue` was not provided and a matching element is not found.\n *\n * ## Examples\n *\n * Emit only the first click that happens on the DOM\n *\n * ```ts\n * import { fromEvent, first } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(first());\n * result.subscribe(x => console.log(x));\n * ```\n *\n * Emits the first click that happens on a DIV\n *\n * ```ts\n * import { fromEvent, first } from 'rxjs';\n *\n * const div = document.createElement('div');\n * div.style.cssText = 'width: 200px; height: 200px; background: #09c;';\n * document.body.appendChild(div);\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(first(ev => (<HTMLElement>ev.target).tagName === 'DIV'));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link filter}\n * @see {@link find}\n * @see {@link take}\n * @see {@link last}\n *\n * @throws {EmptyError} Delivers an `EmptyError` to the Observer's `error`\n * callback if the Observable completes before any `next` notification was sent.\n * This is how `first()` is different from `take(1)` which completes instead.\n *\n * @param predicate An optional function called with each item to test for condition\n * matching.\n * @param defaultValue The default value emitted in case no valid value was found on\n * the source.\n * @return A function that returns an Observable that emits the first item that\n * matches the condition.\n */\nexport function first<T, D>(\n  predicate?: ((value: T, index: number, source: Observable<T>) => boolean) | null,\n  defaultValue?: D\n): OperatorFunction<T, T | D> {\n  const hasDefaultValue = arguments.length >= 2;\n  return (source: Observable<T>) =>\n    source.pipe(\n      predicate ? filter((v, i) => predicate(v, i, source)) : identity,\n      take(1),\n      hasDefaultValue ? defaultIfEmpty(defaultValue!) : throwIfEmpty(() => new EmptyError())\n    );\n}\n", "import { EMPTY } from '../observable/empty';\nimport { MonoTypeOperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/**\n * Waits for the source to complete, then emits the last N values from the source,\n * as specified by the `count` argument.\n *\n * ![](takeLast.png)\n *\n * `takeLast` results in an observable that will hold values up to `count` values in memory,\n * until the source completes. It then pushes all values in memory to the consumer, in the\n * order they were received from the source, then notifies the consumer that it is\n * complete.\n *\n * If for some reason the source completes before the `count` supplied to `takeLast` is reached,\n * all values received until that point are emitted, and then completion is notified.\n *\n * **Warning**: Using `takeLast` with an observable that never completes will result\n * in an observable that never emits a value.\n *\n * ## Example\n *\n * Take the last 3 values of an Observable with many values\n *\n * ```ts\n * import { range, takeLast } from 'rxjs';\n *\n * const many = range(1, 100);\n * const lastThree = many.pipe(takeLast(3));\n * lastThree.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link take}\n * @see {@link takeUntil}\n * @see {@link takeWhile}\n * @see {@link skip}\n *\n * @param count The maximum number of values to emit from the end of\n * the sequence of values emitted by the source Observable.\n * @return A function that returns an Observable that emits at most the last\n * `count` values emitted by the source Observable.\n */\nexport function takeLast<T>(count: number): MonoTypeOperatorFunction<T> {\n  return count <= 0\n    ? () => EMPTY\n    : operate((source, subscriber) => {\n        // This buffer will hold the values we are going to emit\n        // when the source completes. Since we only want to take the\n        // last N values, we can't emit until we're sure we're not getting\n        // any more values.\n        let buffer: T[] = [];\n        source.subscribe(\n          createOperatorSubscriber(\n            subscriber,\n            (value) => {\n              // Add the most recent value onto the end of our buffer.\n              buffer.push(value);\n              // If our buffer is now larger than the number of values we\n              // want to take, we remove the oldest value from the buffer.\n              count < buffer.length && buffer.shift();\n            },\n            () => {\n              // The source completed, we now know what are last values\n              // are, emit them in the order they were received.\n              for (const value of buffer) {\n                subscriber.next(value);\n              }\n              subscriber.complete();\n            },\n            // Errors are passed through to the consumer\n            undefined,\n            () => {\n              // During finalization release the values in our buffer.\n              buffer = null!;\n            }\n          )\n        );\n      });\n}\n", "import { ObservableInput, ObservableInputTuple, OperatorFunction, SchedulerLike } from '../types';\nimport { operate } from '../util/lift';\nimport { mergeAll } from './mergeAll';\nimport { popNumber, popScheduler } from '../util/args';\nimport { from } from '../observable/from';\n\n/** @deprecated Replaced with {@link mergeWith}. Will be removed in v8. */\nexport function merge<T, A extends readonly unknown[]>(...sources: [...ObservableInputTuple<A>]): OperatorFunction<T, T | A[number]>;\n/** @deprecated Replaced with {@link mergeWith}. Will be removed in v8. */\nexport function merge<T, A extends readonly unknown[]>(\n  ...sourcesAndConcurrency: [...ObservableInputTuple<A>, number]\n): OperatorFunction<T, T | A[number]>;\n/** @deprecated Replaced with {@link mergeWith}. Will be removed in v8. */\nexport function merge<T, A extends readonly unknown[]>(\n  ...sourcesAndScheduler: [...ObservableInputTuple<A>, SchedulerLike]\n): OperatorFunction<T, T | A[number]>;\n/** @deprecated Replaced with {@link mergeWith}. Will be removed in v8. */\nexport function merge<T, A extends readonly unknown[]>(\n  ...sourcesAndConcurrencyAndScheduler: [...ObservableInputTuple<A>, number, SchedulerLike]\n): OperatorFunction<T, T | A[number]>;\n\nexport function merge<T>(...args: unknown[]): OperatorFunction<T, unknown> {\n  const scheduler = popScheduler(args);\n  const concurrent = popNumber(args, Infinity);\n\n  return operate((source, subscriber) => {\n    mergeAll(concurrent)(from([source, ...(args as ObservableInput<T>[])], scheduler)).subscribe(subscriber);\n  });\n}\n", "import { ObservableInputTuple, OperatorFunction } from '../types';\nimport { merge } from './merge';\n\n/**\n * Merge the values from all observables to a single observable result.\n *\n * Creates an observable, that when subscribed to, subscribes to the source\n * observable, and all other sources provided as arguments. All values from\n * every source are emitted from the resulting subscription.\n *\n * When all sources complete, the resulting observable will complete.\n *\n * When any source errors, the resulting observable will error.\n *\n * ## Example\n *\n * Joining all outputs from multiple user input event streams\n *\n * ```ts\n * import { fromEvent, map, mergeWith } from 'rxjs';\n *\n * const clicks$ = fromEvent(document, 'click').pipe(map(() => 'click'));\n * const mousemoves$ = fromEvent(document, 'mousemove').pipe(map(() => 'mousemove'));\n * const dblclicks$ = fromEvent(document, 'dblclick').pipe(map(() => 'dblclick'));\n *\n * mousemoves$\n *   .pipe(mergeWith(clicks$, dblclicks$))\n *   .subscribe(x => console.log(x));\n *\n * // result (assuming user interactions)\n * // 'mousemove'\n * // 'mousemove'\n * // 'mousemove'\n * // 'click'\n * // 'click'\n * // 'dblclick'\n * ```\n *\n * @see {@link merge}\n *\n * @param otherSources the sources to combine the current source with.\n * @return A function that returns an Observable that merges the values from\n * all given Observables.\n */\nexport function mergeWith<T, A extends readonly unknown[]>(\n  ...otherSources: [...ObservableInputTuple<A>]\n): OperatorFunction<T, T | A[number]> {\n  return merge(...otherSources);\n}\n", "import { Subscription } from '../Subscription';\nimport { EMPTY } from '../observable/empty';\nimport { operate } from '../util/lift';\nimport { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\nimport { timer } from '../observable/timer';\n\nexport interface RepeatConfig {\n  /**\n   * The number of times to repeat the source. Defaults to `Infinity`.\n   */\n  count?: number;\n\n  /**\n   * If a `number`, will delay the repeat of the source by that number of milliseconds.\n   * If a function, it will provide the number of times the source has been subscribed to,\n   * and the return value should be a valid observable input that will notify when the source\n   * should be repeated. If the notifier observable is empty, the result will complete.\n   */\n  delay?: number | ((count: number) => ObservableInput<any>);\n}\n\n/**\n * Returns an Observable that will resubscribe to the source stream when the source stream completes.\n *\n * <span class=\"informal\">Repeats all values emitted on the source. It's like {@link retry}, but for non error cases.</span>\n *\n * ![](repeat.png)\n *\n * Repeat will output values from a source until the source completes, then it will resubscribe to the\n * source a specified number of times, with a specified delay. Repeat can be particularly useful in\n * combination with closing operators like {@link take}, {@link takeUntil}, {@link first}, or {@link takeWhile},\n * as it can be used to restart a source again from scratch.\n *\n * Repeat is very similar to {@link retry}, where {@link retry} will resubscribe to the source in the error case, but\n * `repeat` will resubscribe if the source completes.\n *\n * Note that `repeat` will _not_ catch errors. Use {@link retry} for that.\n *\n * - `repeat(0)` returns an empty observable\n * - `repeat()` will repeat forever\n * - `repeat({ delay: 200 })` will repeat forever, with a delay of 200ms between repetitions.\n * - `repeat({ count: 2, delay: 400 })` will repeat twice, with a delay of 400ms between repetitions.\n * - `repeat({ delay: (count) => timer(count * 1000) })` will repeat forever, but will have a delay that grows by one second for each repetition.\n *\n * ## Example\n *\n * Repeat a message stream\n *\n * ```ts\n * import { of, repeat } from 'rxjs';\n *\n * const source = of('Repeat message');\n * const result = source.pipe(repeat(3));\n *\n * result.subscribe(x => console.log(x));\n *\n * // Results\n * // 'Repeat message'\n * // 'Repeat message'\n * // 'Repeat message'\n * ```\n *\n * Repeat 3 values, 2 times\n *\n * ```ts\n * import { interval, take, repeat } from 'rxjs';\n *\n * const source = interval(1000);\n * const result = source.pipe(take(3), repeat(2));\n *\n * result.subscribe(x => console.log(x));\n *\n * // Results every second\n * // 0\n * // 1\n * // 2\n * // 0\n * // 1\n * // 2\n * ```\n *\n * Defining two complex repeats with delays on the same source.\n * Note that the second repeat cannot be called until the first\n * repeat as exhausted it's count.\n *\n * ```ts\n * import { defer, of, repeat } from 'rxjs';\n *\n * const source = defer(() => {\n *    return of(`Hello, it is ${new Date()}`)\n * });\n *\n * source.pipe(\n *    // Repeat 3 times with a delay of 1 second between repetitions\n *    repeat({\n *      count: 3,\n *      delay: 1000,\n *    }),\n *\n *    // *Then* repeat forever, but with an exponential step-back\n *    // maxing out at 1 minute.\n *    repeat({\n *      delay: (count) => timer(Math.min(60000, 2 ^ count * 1000))\n *    })\n * )\n * ```\n *\n * @see {@link repeatWhen}\n * @see {@link retry}\n *\n * @param countOrConfig Either the number of times the source Observable items are repeated\n * (a count of 0 will yield an empty Observable) or a {@link RepeatConfig} object.\n */\nexport function repeat<T>(countOrConfig?: number | RepeatConfig): MonoTypeOperatorFunction<T> {\n  let count = Infinity;\n  let delay: RepeatConfig['delay'];\n\n  if (countOrConfig != null) {\n    if (typeof countOrConfig === 'object') {\n      ({ count = Infinity, delay } = countOrConfig);\n    } else {\n      count = countOrConfig;\n    }\n  }\n\n  return count <= 0\n    ? () => EMPTY\n    : operate((source, subscriber) => {\n        let soFar = 0;\n        let sourceSub: Subscription | null;\n\n        const resubscribe = () => {\n          sourceSub?.unsubscribe();\n          sourceSub = null;\n          if (delay != null) {\n            const notifier = typeof delay === 'number' ? timer(delay) : innerFrom(delay(soFar));\n            const notifierSubscriber = createOperatorSubscriber(subscriber, () => {\n              notifierSubscriber.unsubscribe();\n              subscribeToSource();\n            });\n            notifier.subscribe(notifierSubscriber);\n          } else {\n            subscribeToSource();\n          }\n        };\n\n        const subscribeToSource = () => {\n          let syncUnsub = false;\n          sourceSub = source.subscribe(\n            createOperatorSubscriber(subscriber, undefined, () => {\n              if (++soFar < count) {\n                if (sourceSub) {\n                  resubscribe();\n                } else {\n                  syncUnsub = true;\n                }\n              } else {\n                subscriber.complete();\n              }\n            })\n          );\n\n          if (syncUnsub) {\n            resubscribe();\n          }\n        };\n\n        subscribeToSource();\n      });\n}\n", "import { OperatorFunction } from '../types';\nimport { operate } from '../util/lift';\nimport { scanInternals } from './scanInternals';\n\nexport function scan<V, A = V>(accumulator: (acc: A | V, value: V, index: number) => A): OperatorFunction<V, V | A>;\nexport function scan<V, A>(accumulator: (acc: A, value: V, index: number) => A, seed: A): OperatorFunction<V, A>;\nexport function scan<V, A, S>(accumulator: (acc: A | S, value: V, index: number) => A, seed: S): OperatorFunction<V, A>;\n\n// TODO: link to a \"redux pattern\" section in the guide (location TBD)\n\n/**\n * Useful for encapsulating and managing state. Applies an accumulator (or \"reducer function\")\n * to each value from the source after an initial state is established -- either via\n * a `seed` value (second argument), or from the first value from the source.\n *\n * <span class=\"informal\">It's like {@link reduce}, but emits the current\n * accumulation state after each update</span>\n *\n * ![](scan.png)\n *\n * This operator maintains an internal state and emits it after processing each value as follows:\n *\n * 1. First value arrives\n *   - If a `seed` value was supplied (as the second argument to `scan`), let `state = seed` and `value = firstValue`.\n *   - If NO `seed` value was supplied (no second argument), let `state = firstValue` and go to 3.\n * 2. Let `state = accumulator(state, value)`.\n *   - If an error is thrown by `accumulator`, notify the consumer of an error. The process ends.\n * 3. Emit `state`.\n * 4. Next value arrives, let `value = nextValue`, go to 2.\n *\n * ## Examples\n *\n * An average of previous numbers. This example shows how\n * not providing a `seed` can prime the stream with the\n * first value from the source.\n *\n * ```ts\n * import { of, scan, map } from 'rxjs';\n *\n * const numbers$ = of(1, 2, 3);\n *\n * numbers$\n *   .pipe(\n *     // Get the sum of the numbers coming in.\n *     scan((total, n) => total + n),\n *     // Get the average by dividing the sum by the total number\n *     // received so far (which is 1 more than the zero-based index).\n *     map((sum, index) => sum / (index + 1))\n *   )\n *   .subscribe(console.log);\n * ```\n *\n * The Fibonacci sequence. This example shows how you can use\n * a seed to prime accumulation process. Also... you know... Fibonacci.\n * So important to like, computers and stuff that its whiteboarded\n * in job interviews. Now you can show them the Rx version! (Please don't, haha)\n *\n * ```ts\n * import { interval, scan, map, startWith } from 'rxjs';\n *\n * const firstTwoFibs = [0, 1];\n * // An endless stream of Fibonacci numbers.\n * const fibonacci$ = interval(1000).pipe(\n *   // Scan to get the fibonacci numbers (after 0, 1)\n *   scan(([a, b]) => [b, a + b], firstTwoFibs),\n *   // Get the second number in the tuple, it's the one you calculated\n *   map(([, n]) => n),\n *   // Start with our first two digits :)\n *   startWith(...firstTwoFibs)\n * );\n *\n * fibonacci$.subscribe(console.log);\n * ```\n *\n * @see {@link expand}\n * @see {@link mergeScan}\n * @see {@link reduce}\n * @see {@link switchScan}\n *\n * @param accumulator A \"reducer function\". This will be called for each value after an initial state is\n * acquired.\n * @param seed The initial state. If this is not provided, the first value from the source will\n * be used as the initial state, and emitted without going through the accumulator. All subsequent values\n * will be processed by the accumulator function. If this is provided, all values will go through\n * the accumulator function.\n * @return A function that returns an Observable of the accumulated values.\n */\nexport function scan<V, A, S>(accumulator: (acc: V | A | S, value: V, index: number) => A, seed?: S): OperatorFunction<V, V | A> {\n  // providing a seed of `undefined` *should* be valid and trigger\n  // hasSeed! so don't use `seed !== undefined` checks!\n  // For this reason, we have to check it here at the original call site\n  // otherwise inside Operator/Subscriber we won't know if `undefined`\n  // means they didn't provide anything or if they literally provided `undefined`\n  return operate(scanInternals(accumulator, seed as S, arguments.length >= 2, true));\n}\n", "import { innerFrom } from '../observable/innerFrom';\nimport { Subject } from '../Subject';\nimport { SafeSubscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { MonoTypeOperatorFunction, SubjectLike, ObservableInput } from '../types';\nimport { operate } from '../util/lift';\n\nexport interface ShareConfig<T> {\n  /**\n   * The factory used to create the subject that will connect the source observable to\n   * multicast consumers.\n   */\n  connector?: () => SubjectLike<T>;\n  /**\n   * If `true`, the resulting observable will reset internal state on error from source and return to a \"cold\" state. This\n   * allows the resulting observable to be \"retried\" in the event of an error.\n   * If `false`, when an error comes from the source it will push the error into the connecting subject, and the subject\n   * will remain the connecting subject, meaning the resulting observable will not go \"cold\" again, and subsequent retries\n   * or resubscriptions will resubscribe to that same subject. In all cases, RxJS subjects will emit the same error again, however\n   * {@link ReplaySubject} will also push its buffered values before pushing the error.\n   * It is also possible to pass a notifier factory returning an `ObservableInput` instead which grants more fine-grained\n   * control over how and when the reset should happen. This allows behaviors like conditional or delayed resets.\n   */\n  resetOnError?: boolean | ((error: any) => ObservableInput<any>);\n  /**\n   * If `true`, the resulting observable will reset internal state on completion from source and return to a \"cold\" state. This\n   * allows the resulting observable to be \"repeated\" after it is done.\n   * If `false`, when the source completes, it will push the completion through the connecting subject, and the subject\n   * will remain the connecting subject, meaning the resulting observable will not go \"cold\" again, and subsequent repeats\n   * or resubscriptions will resubscribe to that same subject.\n   * It is also possible to pass a notifier factory returning an `ObservableInput` instead which grants more fine-grained\n   * control over how and when the reset should happen. This allows behaviors like conditional or delayed resets.\n   */\n  resetOnComplete?: boolean | (() => ObservableInput<any>);\n  /**\n   * If `true`, when the number of subscribers to the resulting observable reaches zero due to those subscribers unsubscribing, the\n   * internal state will be reset and the resulting observable will return to a \"cold\" state. This means that the next\n   * time the resulting observable is subscribed to, a new subject will be created and the source will be subscribed to\n   * again.\n   * If `false`, when the number of subscribers to the resulting observable reaches zero due to unsubscription, the subject\n   * will remain connected to the source, and new subscriptions to the result will be connected through that same subject.\n   * It is also possible to pass a notifier factory returning an `ObservableInput` instead which grants more fine-grained\n   * control over how and when the reset should happen. This allows behaviors like conditional or delayed resets.\n   */\n  resetOnRefCountZero?: boolean | (() => ObservableInput<any>);\n}\n\nexport function share<T>(): MonoTypeOperatorFunction<T>;\n\nexport function share<T>(options: ShareConfig<T>): MonoTypeOperatorFunction<T>;\n\n/**\n * Returns a new Observable that multicasts (shares) the original Observable. As long as there is at least one\n * Subscriber this Observable will be subscribed and emitting data. When all subscribers have unsubscribed it will\n * unsubscribe from the source Observable. Because the Observable is multicasting it makes the stream `hot`.\n * This is an alias for `multicast(() => new Subject()), refCount()`.\n *\n * The subscription to the underlying source Observable can be reset (unsubscribe and resubscribe for new subscribers),\n * if the subscriber count to the shared observable drops to 0, or if the source Observable errors or completes. It is\n * possible to use notifier factories for the resets to allow for behaviors like conditional or delayed resets. Please\n * note that resetting on error or complete of the source Observable does not behave like a transparent retry or restart\n * of the source because the error or complete will be forwarded to all subscribers and their subscription will be\n * closed. Only new subscribers after a reset on error or complete happened will cause a fresh subscription to the\n * source. To achieve transparent retries or restarts pipe the source through appropriate operators before sharing.\n *\n * ![](share.png)\n *\n * ## Example\n *\n * Generate new multicast Observable from the `source` Observable value\n *\n * ```ts\n * import { interval, tap, map, take, share } from 'rxjs';\n *\n * const source = interval(1000).pipe(\n *   tap(x => console.log('Processing: ', x)),\n *   map(x => x * x),\n *   take(6),\n *   share()\n * );\n *\n * source.subscribe(x => console.log('subscription 1: ', x));\n * source.subscribe(x => console.log('subscription 2: ', x));\n *\n * // Logs:\n * // Processing: 0\n * // subscription 1: 0\n * // subscription 2: 0\n * // Processing: 1\n * // subscription 1: 1\n * // subscription 2: 1\n * // Processing: 2\n * // subscription 1: 4\n * // subscription 2: 4\n * // Processing: 3\n * // subscription 1: 9\n * // subscription 2: 9\n * // Processing: 4\n * // subscription 1: 16\n * // subscription 2: 16\n * // Processing: 5\n * // subscription 1: 25\n * // subscription 2: 25\n * ```\n *\n * ## Example with notifier factory: Delayed reset\n *\n * ```ts\n * import { interval, take, share, timer } from 'rxjs';\n *\n * const source = interval(1000).pipe(\n *   take(3),\n *   share({\n *     resetOnRefCountZero: () => timer(1000)\n *   })\n * );\n *\n * const subscriptionOne = source.subscribe(x => console.log('subscription 1: ', x));\n * setTimeout(() => subscriptionOne.unsubscribe(), 1300);\n *\n * setTimeout(() => source.subscribe(x => console.log('subscription 2: ', x)), 1700);\n *\n * setTimeout(() => source.subscribe(x => console.log('subscription 3: ', x)), 5000);\n *\n * // Logs:\n * // subscription 1:  0\n * // (subscription 1 unsubscribes here)\n * // (subscription 2 subscribes here ~400ms later, source was not reset)\n * // subscription 2:  1\n * // subscription 2:  2\n * // (subscription 2 unsubscribes here)\n * // (subscription 3 subscribes here ~2000ms later, source did reset before)\n * // subscription 3:  0\n * // subscription 3:  1\n * // subscription 3:  2\n * ```\n *\n * @see {@link shareReplay}\n *\n * @return A function that returns an Observable that mirrors the source.\n */\nexport function share<T>(options: ShareConfig<T> = {}): MonoTypeOperatorFunction<T> {\n  const { connector = () => new Subject<T>(), resetOnError = true, resetOnComplete = true, resetOnRefCountZero = true } = options;\n  // It's necessary to use a wrapper here, as the _operator_ must be\n  // referentially transparent. Otherwise, it cannot be used in calls to the\n  // static `pipe` function - to create a partial pipeline.\n  //\n  // The _operator function_ - the function returned by the _operator_ - will\n  // not be referentially transparent - as it shares its source - but the\n  // _operator function_ is called when the complete pipeline is composed via a\n  // call to a source observable's `pipe` method - not when the static `pipe`\n  // function is called.\n  return (wrapperSource) => {\n    let connection: SafeSubscriber<T> | undefined;\n    let resetConnection: Subscription | undefined;\n    let subject: SubjectLike<T> | undefined;\n    let refCount = 0;\n    let hasCompleted = false;\n    let hasErrored = false;\n\n    const cancelReset = () => {\n      resetConnection?.unsubscribe();\n      resetConnection = undefined;\n    };\n    // Used to reset the internal state to a \"cold\"\n    // state, as though it had never been subscribed to.\n    const reset = () => {\n      cancelReset();\n      connection = subject = undefined;\n      hasCompleted = hasErrored = false;\n    };\n    const resetAndUnsubscribe = () => {\n      // We need to capture the connection before\n      // we reset (if we need to reset).\n      const conn = connection;\n      reset();\n      conn?.unsubscribe();\n    };\n\n    return operate<T, T>((source, subscriber) => {\n      refCount++;\n      if (!hasErrored && !hasCompleted) {\n        cancelReset();\n      }\n\n      // Create the subject if we don't have one yet. Grab a local reference to\n      // it as well, which avoids non-null assertions when using it and, if we\n      // connect to it now, then error/complete need a reference after it was\n      // reset.\n      const dest = (subject = subject ?? connector());\n\n      // Add the finalization directly to the subscriber - instead of returning it -\n      // so that the handling of the subscriber's unsubscription will be wired\n      // up _before_ the subscription to the source occurs. This is done so that\n      // the assignment to the source connection's `closed` property will be seen\n      // by synchronous firehose sources.\n      subscriber.add(() => {\n        refCount--;\n\n        // If we're resetting on refCount === 0, and it's 0, we only want to do\n        // that on \"unsubscribe\", really. Resetting on error or completion is a different\n        // configuration.\n        if (refCount === 0 && !hasErrored && !hasCompleted) {\n          resetConnection = handleReset(resetAndUnsubscribe, resetOnRefCountZero);\n        }\n      });\n\n      // The following line adds the subscription to the subscriber passed.\n      // Basically, `subscriber === dest.subscribe(subscriber)` is `true`.\n      dest.subscribe(subscriber);\n\n      if (\n        !connection &&\n        // Check this shareReplay is still activate - it can be reset to 0\n        // and be \"unsubscribed\" _before_ it actually subscribes.\n        // If we were to subscribe then, it'd leak and get stuck.\n        refCount > 0\n      ) {\n        // We need to create a subscriber here - rather than pass an observer and\n        // assign the returned subscription to connection - because it's possible\n        // for reentrant subscriptions to the shared observable to occur and in\n        // those situations we want connection to be already-assigned so that we\n        // don't create another connection to the source.\n        connection = new SafeSubscriber({\n          next: (value) => dest.next(value),\n          error: (err) => {\n            hasErrored = true;\n            cancelReset();\n            resetConnection = handleReset(reset, resetOnError, err);\n            dest.error(err);\n          },\n          complete: () => {\n            hasCompleted = true;\n            cancelReset();\n            resetConnection = handleReset(reset, resetOnComplete);\n            dest.complete();\n          },\n        });\n        innerFrom(source).subscribe(connection);\n      }\n    })(wrapperSource);\n  };\n}\n\nfunction handleReset<T extends unknown[] = never[]>(\n  reset: () => void,\n  on: boolean | ((...args: T) => ObservableInput<any>),\n  ...args: T\n): Subscription | undefined {\n  if (on === true) {\n    reset();\n    return;\n  }\n\n  if (on === false) {\n    return;\n  }\n\n  const onSubscriber = new SafeSubscriber({\n    next: () => {\n      onSubscriber.unsubscribe();\n      reset();\n    },\n  });\n\n  return innerFrom(on(...args)).subscribe(onSubscriber);\n}\n", "import { ReplaySubject } from '../ReplaySubject';\nimport { MonoTypeOperatorFunction, SchedulerLike } from '../types';\nimport { share } from './share';\n\nexport interface ShareReplayConfig {\n  bufferSize?: number;\n  windowTime?: number;\n  refCount: boolean;\n  scheduler?: SchedulerLike;\n}\n\nexport function shareReplay<T>(config: ShareReplayConfig): MonoTypeOperatorFunction<T>;\nexport function shareReplay<T>(bufferSize?: number, windowTime?: number, scheduler?: SchedulerLike): MonoTypeOperatorFunction<T>;\n\n/**\n * Share source and replay specified number of emissions on subscription.\n *\n * This operator is a specialization of `replay` that connects to a source observable\n * and multicasts through a `ReplaySubject` constructed with the specified arguments.\n * A successfully completed source will stay cached in the `shareReplay`ed observable forever,\n * but an errored source can be retried.\n *\n * ## Why use `shareReplay`?\n *\n * You generally want to use `shareReplay` when you have side-effects or taxing computations\n * that you do not wish to be executed amongst multiple subscribers.\n * It may also be valuable in situations where you know you will have late subscribers to\n * a stream that need access to previously emitted values.\n * This ability to replay values on subscription is what differentiates {@link share} and `shareReplay`.\n *\n * ## Reference counting\n *\n * By default `shareReplay` will use `refCount` of false, meaning that it will _not_ unsubscribe the\n * source when the reference counter drops to zero, i.e. the inner `ReplaySubject` will _not_ be unsubscribed\n * (and potentially run for ever).\n * This is the default as it is expected that `shareReplay` is often used to keep around expensive to setup\n * observables which we want to keep running instead of having to do the expensive setup again.\n *\n * As of RXJS version 6.4.0 a new overload signature was added to allow for manual control over what\n * happens when the operators internal reference counter drops to zero.\n * If `refCount` is true, the source will be unsubscribed from once the reference count drops to zero, i.e.\n * the inner `ReplaySubject` will be unsubscribed. All new subscribers will receive value emissions from a\n * new `ReplaySubject` which in turn will cause a new subscription to the source observable.\n *\n * ## Examples\n *\n * Example with a third subscriber coming late to the party\n *\n * ```ts\n * import { interval, take, shareReplay } from 'rxjs';\n *\n * const shared$ = interval(2000).pipe(\n *   take(6),\n *   shareReplay(3)\n * );\n *\n * shared$.subscribe(x => console.log('sub A: ', x));\n * shared$.subscribe(y => console.log('sub B: ', y));\n *\n * setTimeout(() => {\n *   shared$.subscribe(y => console.log('sub C: ', y));\n * }, 11000);\n *\n * // Logs:\n * // (after ~2000 ms)\n * // sub A: 0\n * // sub B: 0\n * // (after ~4000 ms)\n * // sub A: 1\n * // sub B: 1\n * // (after ~6000 ms)\n * // sub A: 2\n * // sub B: 2\n * // (after ~8000 ms)\n * // sub A: 3\n * // sub B: 3\n * // (after ~10000 ms)\n * // sub A: 4\n * // sub B: 4\n * // (after ~11000 ms, sub C gets the last 3 values)\n * // sub C: 2\n * // sub C: 3\n * // sub C: 4\n * // (after ~12000 ms)\n * // sub A: 5\n * // sub B: 5\n * // sub C: 5\n * ```\n *\n * Example for `refCount` usage\n *\n * ```ts\n * import { Observable, tap, interval, shareReplay, take } from 'rxjs';\n *\n * const log = <T>(name: string, source: Observable<T>) => source.pipe(\n *   tap({\n *     subscribe: () => console.log(`${ name }: subscribed`),\n *     next: value => console.log(`${ name }: ${ value }`),\n *     complete: () => console.log(`${ name }: completed`),\n *     finalize: () => console.log(`${ name }: unsubscribed`)\n *   })\n * );\n *\n * const obs$ = log('source', interval(1000));\n *\n * const shared$ = log('shared', obs$.pipe(\n *   shareReplay({ bufferSize: 1, refCount: true }),\n *   take(2)\n * ));\n *\n * shared$.subscribe(x => console.log('sub A: ', x));\n * shared$.subscribe(y => console.log('sub B: ', y));\n *\n * // PRINTS:\n * // shared: subscribed <-- reference count = 1\n * // source: subscribed\n * // shared: subscribed <-- reference count = 2\n * // source: 0\n * // shared: 0\n * // sub A: 0\n * // shared: 0\n * // sub B: 0\n * // source: 1\n * // shared: 1\n * // sub A: 1\n * // shared: completed <-- take(2) completes the subscription for sub A\n * // shared: unsubscribed <-- reference count = 1\n * // shared: 1\n * // sub B: 1\n * // shared: completed <-- take(2) completes the subscription for sub B\n * // shared: unsubscribed <-- reference count = 0\n * // source: unsubscribed <-- replaySubject unsubscribes from source observable because the reference count dropped to 0 and refCount is true\n *\n * // In case of refCount being false, the unsubscribe is never called on the source and the source would keep on emitting, even if no subscribers\n * // are listening.\n * // source: 2\n * // source: 3\n * // source: 4\n * // ...\n * ```\n *\n * @see {@link publish}\n * @see {@link share}\n * @see {@link publishReplay}\n *\n * @param configOrBufferSize Maximum element count of the replay buffer or {@link ShareReplayConfig configuration}\n * object.\n * @param windowTime Maximum time length of the replay buffer in milliseconds.\n * @param scheduler Scheduler where connected observers within the selector function\n * will be invoked on.\n * @return A function that returns an Observable sequence that contains the\n * elements of a sequence produced by multicasting the source sequence within a\n * selector function.\n */\nexport function shareReplay<T>(\n  configOrBufferSize?: ShareReplayConfig | number,\n  windowTime?: number,\n  scheduler?: SchedulerLike\n): MonoTypeOperatorFunction<T> {\n  let bufferSize: number;\n  let refCount = false;\n  if (configOrBufferSize && typeof configOrBufferSize === 'object') {\n    ({ bufferSize = Infinity, windowTime = Infinity, refCount = false, scheduler } = configOrBufferSize);\n  } else {\n    bufferSize = (configOrBufferSize ?? Infinity) as number;\n  }\n  return share<T>({\n    connector: () => new ReplaySubject(bufferSize, windowTime, scheduler),\n    resetOnError: true,\n    resetOnComplete: false,\n    resetOnRefCountZero: refCount,\n  });\n}\n", "import { MonoTypeOperatorFunction } from '../types';\nimport { filter } from './filter';\n\n/**\n * Returns an Observable that skips the first `count` items emitted by the source Observable.\n *\n * ![](skip.png)\n *\n * Skips the values until the sent notifications are equal or less than provided skip count. It raises\n * an error if skip count is equal or more than the actual number of emits and source raises an error.\n *\n * ## Example\n *\n * Skip the values before the emission\n *\n * ```ts\n * import { interval, skip } from 'rxjs';\n *\n * // emit every half second\n * const source = interval(500);\n * // skip the first 10 emitted values\n * const result = source.pipe(skip(10));\n *\n * result.subscribe(value => console.log(value));\n * // output: 10...11...12...13...\n * ```\n *\n * @see {@link last}\n * @see {@link skipWhile}\n * @see {@link skipUntil}\n * @see {@link skipLast}\n *\n * @param count The number of times, items emitted by source Observable should be skipped.\n * @return A function that returns an Observable that skips the first `count`\n * values emitted by the source Observable.\n */\nexport function skip<T>(count: number): MonoTypeOperatorFunction<T> {\n  return filter((_, index) => count <= index);\n}\n", "import { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\nimport { noop } from '../util/noop';\n\n/**\n * Returns an Observable that skips items emitted by the source Observable until a second Observable emits an item.\n *\n * The `skipUntil` operator causes the observable stream to skip the emission of values until the passed in observable\n * emits the first value. This can be particularly useful in combination with user interactions, responses of HTTP\n * requests or waiting for specific times to pass by.\n *\n * ![](skipUntil.png)\n *\n * Internally, the `skipUntil` operator subscribes to the passed in `notifier` `ObservableInput` (which gets converted\n * to an Observable) in order to recognize the emission of its first value. When `notifier` emits next, the operator\n * unsubscribes from it and starts emitting the values of the *source* observable until it completes or errors. It\n * will never let the *source* observable emit any values if the `notifier` completes or throws an error without\n * emitting a value before.\n *\n * ## Example\n *\n * In the following example, all emitted values of the interval observable are skipped until the user clicks anywhere\n * within the page\n *\n * ```ts\n * import { interval, fromEvent, skipUntil } from 'rxjs';\n *\n * const intervalObservable = interval(1000);\n * const click = fromEvent(document, 'click');\n *\n * const emitAfterClick = intervalObservable.pipe(\n *   skipUntil(click)\n * );\n * // clicked at 4.6s. output: 5...6...7...8........ or\n * // clicked at 7.3s. output: 8...9...10..11.......\n * emitAfterClick.subscribe(value => console.log(value));\n * ```\n *\n * @see {@link last}\n * @see {@link skip}\n * @see {@link skipWhile}\n * @see {@link skipLast}\n *\n * @param notifier An `ObservableInput` that has to emit an item before the source Observable elements begin to\n * be mirrored by the resulting Observable.\n * @return A function that returns an Observable that skips items from the\n * source Observable until the `notifier` Observable emits an item, then emits the\n * remaining items.\n */\nexport function skipUntil<T>(notifier: ObservableInput<any>): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    let taking = false;\n\n    const skipSubscriber = createOperatorSubscriber(\n      subscriber,\n      () => {\n        skipSubscriber?.unsubscribe();\n        taking = true;\n      },\n      noop\n    );\n\n    innerFrom(notifier).subscribe(skipSubscriber);\n\n    source.subscribe(createOperatorSubscriber(subscriber, (value) => taking && subscriber.next(value)));\n  });\n}\n", "import { concat } from '../observable/concat';\nimport { OperatorFunction, SchedulerLike, ValueFromArray } from '../types';\nimport { popScheduler } from '../util/args';\nimport { operate } from '../util/lift';\n\n// Devs are more likely to pass null or undefined than they are a scheduler\n// without accompanying values. To make things easier for (naughty) devs who\n// use the `strictNullChecks: false` TypeScript compiler option, these\n// overloads with explicit null and undefined values are included.\n\nexport function startWith<T>(value: null): OperatorFunction<T, T | null>;\nexport function startWith<T>(value: undefined): OperatorFunction<T, T | undefined>;\n\n/** @deprecated The `scheduler` parameter will be removed in v8. Use `scheduled` and `concatAll`. Details: https://rxjs.dev/deprecations/scheduler-argument */\nexport function startWith<T, A extends readonly unknown[] = T[]>(\n  ...valuesAndScheduler: [...A, SchedulerLike]\n): OperatorFunction<T, T | ValueFromArray<A>>;\nexport function startWith<T, A extends readonly unknown[] = T[]>(...values: A): OperatorFunction<T, T | ValueFromArray<A>>;\n\n/**\n * Returns an observable that, at the moment of subscription, will synchronously emit all\n * values provided to this operator, then subscribe to the source and mirror all of its emissions\n * to subscribers.\n *\n * This is a useful way to know when subscription has occurred on an existing observable.\n *\n * <span class=\"informal\">First emits its arguments in order, and then any\n * emissions from the source.</span>\n *\n * ![](startWith.png)\n *\n * ## Examples\n *\n * Emit a value when a timer starts.\n *\n * ```ts\n * import { timer, map, startWith } from 'rxjs';\n *\n * timer(1000)\n *   .pipe(\n *     map(() => 'timer emit'),\n *     startWith('timer start')\n *   )\n *   .subscribe(x => console.log(x));\n *\n * // results:\n * // 'timer start'\n * // 'timer emit'\n * ```\n *\n * @param values Items you want the modified Observable to emit first.\n * @return A function that returns an Observable that synchronously emits\n * provided values before subscribing to the source Observable.\n *\n * @see {@link endWith}\n * @see {@link finalize}\n * @see {@link concat}\n */\nexport function startWith<T, D>(...values: D[]): OperatorFunction<T, T | D> {\n  const scheduler = popScheduler(values);\n  return operate((source, subscriber) => {\n    // Here we can't pass `undefined` as a scheduler, because if we did, the\n    // code inside of `concat` would be confused by the `undefined`, and treat it\n    // like an invalid observable. So we have to split it two different ways.\n    (scheduler ? concat(values, source, scheduler) : concat(values, source)).subscribe(subscriber);\n  });\n}\n", "import { Subscriber } from '../Subscriber';\nimport { ObservableInput, OperatorFunction, ObservedValueOf } from '../types';\nimport { innerFrom } from '../observable/innerFrom';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\n/* tslint:disable:max-line-length */\nexport function switchMap<T, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O\n): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated The `resultSelector` parameter will be removed in v8. Use an inner `map` instead. Details: https://rxjs.dev/deprecations/resultSelector */\nexport function switchMap<T, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector: undefined\n): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated The `resultSelector` parameter will be removed in v8. Use an inner `map` instead. Details: https://rxjs.dev/deprecations/resultSelector */\nexport function switchMap<T, R, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R\n): OperatorFunction<T, R>;\n/* tslint:enable:max-line-length */\n\n/**\n * Projects each source value to an Observable which is merged in the output\n * Observable, emitting values only from the most recently projected Observable.\n *\n * <span class=\"informal\">Maps each value to an Observable, then flattens all of\n * these inner Observables using {@link switchAll}.</span>\n *\n * ![](switchMap.png)\n *\n * Returns an Observable that emits items based on applying a function that you\n * supply to each item emitted by the source Observable, where that function\n * returns an (so-called \"inner\") Observable. Each time it observes one of these\n * inner Observables, the output Observable begins emitting the items emitted by\n * that inner Observable. When a new inner Observable is emitted, `switchMap`\n * stops emitting items from the earlier-emitted inner Observable and begins\n * emitting items from the new one. It continues to behave like this for\n * subsequent inner Observables.\n *\n * ## Example\n *\n * Generate new Observable according to source Observable values\n *\n * ```ts\n * import { of, switchMap } from 'rxjs';\n *\n * const switched = of(1, 2, 3).pipe(switchMap(x => of(x, x ** 2, x ** 3)));\n * switched.subscribe(x => console.log(x));\n * // outputs\n * // 1\n * // 1\n * // 1\n * // 2\n * // 4\n * // 8\n * // 3\n * // 9\n * // 27\n * ```\n *\n * Restart an interval Observable on every click event\n *\n * ```ts\n * import { fromEvent, switchMap, interval } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(switchMap(() => interval(1000)));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link concatMap}\n * @see {@link exhaustMap}\n * @see {@link mergeMap}\n * @see {@link switchAll}\n * @see {@link switchMapTo}\n *\n * @param project A function that, when applied to an item emitted by the source\n * Observable, returns an Observable.\n * @return A function that returns an Observable that emits the result of\n * applying the projection function (and the optional deprecated\n * `resultSelector`) to each item emitted by the source Observable and taking\n * only the values from the most recently projected inner Observable.\n */\nexport function switchMap<T, R, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector?: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R\n): OperatorFunction<T, ObservedValueOf<O> | R> {\n  return operate((source, subscriber) => {\n    let innerSubscriber: Subscriber<ObservedValueOf<O>> | null = null;\n    let index = 0;\n    // Whether or not the source subscription has completed\n    let isComplete = false;\n\n    // We only complete the result if the source is complete AND we don't have an active inner subscription.\n    // This is called both when the source completes and when the inners complete.\n    const checkComplete = () => isComplete && !innerSubscriber && subscriber.complete();\n\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        (value) => {\n          // Cancel the previous inner subscription if there was one\n          innerSubscriber?.unsubscribe();\n          let innerIndex = 0;\n          const outerIndex = index++;\n          // Start the next inner subscription\n          innerFrom(project(value, outerIndex)).subscribe(\n            (innerSubscriber = createOperatorSubscriber(\n              subscriber,\n              // When we get a new inner value, next it through. Note that this is\n              // handling the deprecate result selector here. This is because with this architecture\n              // it ends up being smaller than using the map operator.\n              (innerValue) => subscriber.next(resultSelector ? resultSelector(value, innerValue, outerIndex, innerIndex++) : innerValue),\n              () => {\n                // The inner has completed. Null out the inner subscriber to\n                // free up memory and to signal that we have no inner subscription\n                // currently.\n                innerSubscriber = null!;\n                checkComplete();\n              }\n            ))\n          );\n        },\n        () => {\n          isComplete = true;\n          checkComplete();\n        }\n      )\n    );\n  });\n}\n", "import { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\nimport { noop } from '../util/noop';\n\n/**\n * Emits the values emitted by the source Observable until a `notifier`\n * Observable emits a value.\n *\n * <span class=\"informal\">Lets values pass until a second Observable,\n * `notifier`, emits a value. Then, it completes.</span>\n *\n * ![](takeUntil.png)\n *\n * `takeUntil` subscribes and begins mirroring the source Observable. It also\n * monitors a second Observable, `notifier` that you provide. If the `notifier`\n * emits a value, the output Observable stops mirroring the source Observable\n * and completes. If the `notifier` doesn't emit any value and completes\n * then `takeUntil` will pass all values.\n *\n * ## Example\n *\n * Tick every second until the first click happens\n *\n * ```ts\n * import { interval, fromEvent, takeUntil } from 'rxjs';\n *\n * const source = interval(1000);\n * const clicks = fromEvent(document, 'click');\n * const result = source.pipe(takeUntil(clicks));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link take}\n * @see {@link takeLast}\n * @see {@link takeWhile}\n * @see {@link skip}\n *\n * @param notifier The `ObservableInput` whose first emitted value will cause the output\n * Observable of `takeUntil` to stop emitting values from the source Observable.\n * @return A function that returns an Observable that emits the values from the\n * source Observable until `notifier` emits its first value.\n */\nexport function takeUntil<T>(notifier: ObservableInput<any>): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    innerFrom(notifier).subscribe(createOperatorSubscriber(subscriber, () => subscriber.complete(), noop));\n    !subscriber.closed && source.subscribe(subscriber);\n  });\n}\n", "import { OperatorFunction, MonoTypeOperatorFunction, TruthyTypesOf } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\n\nexport function takeWhile<T>(predicate: BooleanConstructor, inclusive: true): MonoTypeOperatorFunction<T>;\nexport function takeWhile<T>(predicate: BooleanConstructor, inclusive: false): OperatorFunction<T, TruthyTypesOf<T>>;\nexport function takeWhile<T>(predicate: BooleanConstructor): OperatorFunction<T, TruthyTypesOf<T>>;\nexport function takeWhile<T, S extends T>(predicate: (value: T, index: number) => value is S): OperatorFunction<T, S>;\nexport function takeWhile<T, S extends T>(predicate: (value: T, index: number) => value is S, inclusive: false): OperatorFunction<T, S>;\nexport function takeWhile<T>(predicate: (value: T, index: number) => boolean, inclusive?: boolean): MonoTypeOperatorFunction<T>;\n\n/**\n * Emits values emitted by the source Observable so long as each value satisfies\n * the given `predicate`, and then completes as soon as this `predicate` is not\n * satisfied.\n *\n * <span class=\"informal\">Takes values from the source only while they pass the\n * condition given. When the first value does not satisfy, it completes.</span>\n *\n * ![](takeWhile.png)\n *\n * `takeWhile` subscribes and begins mirroring the source Observable. Each value\n * emitted on the source is given to the `predicate` function which returns a\n * boolean, representing a condition to be satisfied by the source values. The\n * output Observable emits the source values until such time as the `predicate`\n * returns false, at which point `takeWhile` stops mirroring the source\n * Observable and completes the output Observable.\n *\n * ## Example\n *\n * Emit click events only while the clientX property is greater than 200\n *\n * ```ts\n * import { fromEvent, takeWhile } from 'rxjs';\n *\n * const clicks = fromEvent<PointerEvent>(document, 'click');\n * const result = clicks.pipe(takeWhile(ev => ev.clientX > 200));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link take}\n * @see {@link takeLast}\n * @see {@link takeUntil}\n * @see {@link skip}\n *\n * @param predicate A function that evaluates a value emitted by the source\n * Observable and returns a boolean. Also takes the (zero-based) index as the\n * second argument.\n * @param inclusive When set to `true` the value that caused `predicate` to\n * return `false` will also be emitted.\n * @return A function that returns an Observable that emits values from the\n * source Observable so long as each value satisfies the condition defined by\n * the `predicate`, then completes.\n */\nexport function takeWhile<T>(predicate: (value: T, index: number) => boolean, inclusive = false): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    let index = 0;\n    source.subscribe(\n      createOperatorSubscriber(subscriber, (value) => {\n        const result = predicate(value, index++);\n        (result || inclusive) && subscriber.next(value);\n        !result && subscriber.complete();\n      })\n    );\n  });\n}\n", "import { MonoTypeOperatorFunction, Observer } from '../types';\nimport { isFunction } from '../util/isFunction';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { identity } from '../util/identity';\n\n/**\n * An extension to the {@link Observer} interface used only by the {@link tap} operator.\n *\n * It provides a useful set of callbacks a user can register to do side-effects in\n * cases other than what the usual {@link Observer} callbacks are\n * ({@link guide/glossary-and-semantics#next next},\n * {@link guide/glossary-and-semantics#error error} and/or\n * {@link guide/glossary-and-semantics#complete complete}).\n *\n * ## Example\n *\n * ```ts\n * import { fromEvent, switchMap, tap, interval, take } from 'rxjs';\n *\n * const source$ = fromEvent(document, 'click');\n * const result$ = source$.pipe(\n *   switchMap((_, i) => i % 2 === 0\n *     ? fromEvent(document, 'mousemove').pipe(\n *         tap({\n *           subscribe: () => console.log('Subscribed to the mouse move events after click #' + i),\n *           unsubscribe: () => console.log('Mouse move events #' + i + ' unsubscribed'),\n *           finalize: () => console.log('Mouse move events #' + i + ' finalized')\n *         })\n *       )\n *     : interval(1_000).pipe(\n *         take(5),\n *         tap({\n *           subscribe: () => console.log('Subscribed to the 1-second interval events after click #' + i),\n *           unsubscribe: () => console.log('1-second interval events #' + i + ' unsubscribed'),\n *           finalize: () => console.log('1-second interval events #' + i + ' finalized')\n *         })\n *       )\n *   )\n * );\n *\n * const subscription = result$.subscribe({\n *   next: console.log\n * });\n *\n * setTimeout(() => {\n *   console.log('Unsubscribe after 60 seconds');\n *   subscription.unsubscribe();\n * }, 60_000);\n * ```\n */\nexport interface TapObserver<T> extends Observer<T> {\n  /**\n   * The callback that `tap` operator invokes at the moment when the source Observable\n   * gets subscribed to.\n   */\n  subscribe: () => void;\n  /**\n   * The callback that `tap` operator invokes when an explicit\n   * {@link guide/glossary-and-semantics#unsubscription unsubscribe} happens. It won't get invoked on\n   * `error` or `complete` events.\n   */\n  unsubscribe: () => void;\n  /**\n   * The callback that `tap` operator invokes when any kind of\n   * {@link guide/glossary-and-semantics#finalization finalization} happens - either when\n   * the source Observable `error`s or `complete`s or when it gets explicitly unsubscribed\n   * by the user. There is no difference in using this callback or the {@link finalize}\n   * operator, but if you're already using `tap` operator, you can use this callback\n   * instead. You'd get the same result in either case.\n   */\n  finalize: () => void;\n}\nexport function tap<T>(observerOrNext?: Partial<TapObserver<T>> | ((value: T) => void)): MonoTypeOperatorFunction<T>;\n/** @deprecated Instead of passing separate callback arguments, use an observer argument. Signatures taking separate callback arguments will be removed in v8. Details: https://rxjs.dev/deprecations/subscribe-arguments */\nexport function tap<T>(\n  next?: ((value: T) => void) | null,\n  error?: ((error: any) => void) | null,\n  complete?: (() => void) | null\n): MonoTypeOperatorFunction<T>;\n\n/**\n * Used to perform side-effects for notifications from the source observable\n *\n * <span class=\"informal\">Used when you want to affect outside state with a notification without altering the notification</span>\n *\n * ![](tap.png)\n *\n * Tap is designed to allow the developer a designated place to perform side effects. While you _could_ perform side-effects\n * inside of a `map` or a `mergeMap`, that would make their mapping functions impure, which isn't always a big deal, but will\n * make it so you can't do things like memoize those functions. The `tap` operator is designed solely for such side-effects to\n * help you remove side-effects from other operations.\n *\n * For any notification, next, error, or complete, `tap` will call the appropriate callback you have provided to it, via a function\n * reference, or a partial observer, then pass that notification down the stream.\n *\n * The observable returned by `tap` is an exact mirror of the source, with one exception: Any error that occurs -- synchronously -- in a handler\n * provided to `tap` will be emitted as an error from the returned observable.\n *\n * > Be careful! You can mutate objects as they pass through the `tap` operator's handlers.\n *\n * The most common use of `tap` is actually for debugging. You can place a `tap(console.log)` anywhere\n * in your observable `pipe`, log out the notifications as they are emitted by the source returned by the previous\n * operation.\n *\n * ## Examples\n *\n * Check a random number before it is handled. Below is an observable that will use a random number between 0 and 1,\n * and emit `'big'` or `'small'` depending on the size of that number. But we wanted to log what the original number\n * was, so we have added a `tap(console.log)`.\n *\n * ```ts\n * import { of, tap, map } from 'rxjs';\n *\n * of(Math.random()).pipe(\n *   tap(console.log),\n *   map(n => n > 0.5 ? 'big' : 'small')\n * ).subscribe(console.log);\n * ```\n *\n * Using `tap` to analyze a value and force an error. Below is an observable where in our system we only\n * want to emit numbers 3 or less we get from another source. We can force our observable to error\n * using `tap`.\n *\n * ```ts\n * import { of, tap } from 'rxjs';\n *\n * const source = of(1, 2, 3, 4, 5);\n *\n * source.pipe(\n *   tap(n => {\n *     if (n > 3) {\n *       throw new TypeError(`Value ${ n } is greater than 3`);\n *     }\n *   })\n * )\n * .subscribe({ next: console.log, error: err => console.log(err.message) });\n * ```\n *\n * We want to know when an observable completes before moving on to the next observable. The system\n * below will emit a random series of `'X'` characters from 3 different observables in sequence. The\n * only way we know when one observable completes and moves to the next one, in this case, is because\n * we have added a `tap` with the side effect of logging to console.\n *\n * ```ts\n * import { of, concatMap, interval, take, map, tap } from 'rxjs';\n *\n * of(1, 2, 3).pipe(\n *   concatMap(n => interval(1000).pipe(\n *     take(Math.round(Math.random() * 10)),\n *     map(() => 'X'),\n *     tap({ complete: () => console.log(`Done with ${ n }`) })\n *   ))\n * )\n * .subscribe(console.log);\n * ```\n *\n * @see {@link finalize}\n * @see {@link TapObserver}\n *\n * @param observerOrNext A next handler or partial observer\n * @param error An error handler\n * @param complete A completion handler\n * @return A function that returns an Observable identical to the source, but\n * runs the specified Observer or callback(s) for each item.\n */\nexport function tap<T>(\n  observerOrNext?: Partial<TapObserver<T>> | ((value: T) => void) | null,\n  error?: ((e: any) => void) | null,\n  complete?: (() => void) | null\n): MonoTypeOperatorFunction<T> {\n  // We have to check to see not only if next is a function,\n  // but if error or complete were passed. This is because someone\n  // could technically call tap like `tap(null, fn)` or `tap(null, null, fn)`.\n  const tapObserver =\n    isFunction(observerOrNext) || error || complete\n      ? // tslint:disable-next-line: no-object-literal-type-assertion\n        ({ next: observerOrNext as Exclude<typeof observerOrNext, Partial<TapObserver<T>>>, error, complete } as Partial<TapObserver<T>>)\n      : observerOrNext;\n\n  return tapObserver\n    ? operate((source, subscriber) => {\n        tapObserver.subscribe?.();\n        let isUnsub = true;\n        source.subscribe(\n          createOperatorSubscriber(\n            subscriber,\n            (value) => {\n              tapObserver.next?.(value);\n              subscriber.next(value);\n            },\n            () => {\n              isUnsub = false;\n              tapObserver.complete?.();\n              subscriber.complete();\n            },\n            (err) => {\n              isUnsub = false;\n              tapObserver.error?.(err);\n              subscriber.error(err);\n            },\n            () => {\n              if (isUnsub) {\n                tapObserver.unsubscribe?.();\n              }\n              tapObserver.finalize?.();\n            }\n          )\n        );\n      })\n    : // Tap was called with no valid tap observer or handler\n      // (e.g. `tap(null, null, null)` or `tap(null)` or `tap()`)\n      // so we're going to just mirror the source.\n      identity;\n}\n", "import { Subscription } from '../Subscription';\n\nimport { MonoTypeOperatorFunction, ObservableInput } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\n\n/**\n * An object interface used by {@link throttle} or {@link throttleTime} that ensure\n * configuration options of these operators.\n *\n * @see {@link throttle}\n * @see {@link throttleTime}\n */\nexport interface ThrottleConfig {\n  /**\n   * If `true`, the resulting Observable will emit the first value from the source\n   * Observable at the **start** of the \"throttling\" process (when starting an\n   * internal timer that prevents other emissions from the source to pass through).\n   * If `false`, it will not emit the first value from the source Observable at the\n   * start of the \"throttling\" process.\n   *\n   * If not provided, defaults to: `true`.\n   */\n  leading?: boolean;\n  /**\n   * If `true`, the resulting Observable will emit the last value from the source\n   * Observable at the **end** of the \"throttling\" process (when ending an internal\n   * timer that prevents other emissions from the source to pass through).\n   * If `false`, it will not emit the last value from the source Observable at the\n   * end of the \"throttling\" process.\n   *\n   * If not provided, defaults to: `false`.\n   */\n  trailing?: boolean;\n}\n\n/**\n * Emits a value from the source Observable, then ignores subsequent source\n * values for a duration determined by another Observable, then repeats this\n * process.\n *\n * <span class=\"informal\">It's like {@link throttleTime}, but the silencing\n * duration is determined by a second Observable.</span>\n *\n * ![](throttle.svg)\n *\n * `throttle` emits the source Observable values on the output Observable\n * when its internal timer is disabled, and ignores source values when the timer\n * is enabled. Initially, the timer is disabled. As soon as the first source\n * value arrives, it is forwarded to the output Observable, and then the timer\n * is enabled by calling the `durationSelector` function with the source value,\n * which returns the \"duration\" Observable. When the duration Observable emits a\n * value, the timer is disabled, and this process repeats for the\n * next source value.\n *\n * ## Example\n *\n * Emit clicks at a rate of at most one click per second\n *\n * ```ts\n * import { fromEvent, throttle, interval } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(throttle(() => interval(1000)));\n *\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link audit}\n * @see {@link debounce}\n * @see {@link delayWhen}\n * @see {@link sample}\n * @see {@link throttleTime}\n *\n * @param durationSelector A function that receives a value from the source\n * Observable, for computing the silencing duration for each source value,\n * returned as an `ObservableInput`.\n * @param config A configuration object to define `leading` and `trailing`\n * behavior. Defaults to `{ leading: true, trailing: false }`.\n * @return A function that returns an Observable that performs the throttle\n * operation to limit the rate of emissions from the source.\n */\nexport function throttle<T>(durationSelector: (value: T) => ObservableInput<any>, config?: ThrottleConfig): MonoTypeOperatorFunction<T> {\n  return operate((source, subscriber) => {\n    const { leading = true, trailing = false } = config ?? {};\n    let hasValue = false;\n    let sendValue: T | null = null;\n    let throttled: Subscription | null = null;\n    let isComplete = false;\n\n    const endThrottling = () => {\n      throttled?.unsubscribe();\n      throttled = null;\n      if (trailing) {\n        send();\n        isComplete && subscriber.complete();\n      }\n    };\n\n    const cleanupThrottling = () => {\n      throttled = null;\n      isComplete && subscriber.complete();\n    };\n\n    const startThrottle = (value: T) =>\n      (throttled = innerFrom(durationSelector(value)).subscribe(createOperatorSubscriber(subscriber, endThrottling, cleanupThrottling)));\n\n    const send = () => {\n      if (hasValue) {\n        // Ensure we clear out our value and hasValue flag\n        // before we emit, otherwise reentrant code can cause\n        // issues here.\n        hasValue = false;\n        const value = sendValue!;\n        sendValue = null;\n        // Emit the value.\n        subscriber.next(value);\n        !isComplete && startThrottle(value);\n      }\n    };\n\n    source.subscribe(\n      createOperatorSubscriber(\n        subscriber,\n        // Regarding the presence of throttled.closed in the following\n        // conditions, if a synchronous duration selector is specified - weird,\n        // but legal - an already-closed subscription will be assigned to\n        // throttled, so the subscription's closed property needs to be checked,\n        // too.\n        (value) => {\n          hasValue = true;\n          sendValue = value;\n          !(throttled && !throttled.closed) && (leading ? send() : startThrottle(value));\n        },\n        () => {\n          isComplete = true;\n          !(trailing && hasValue && throttled && !throttled.closed) && subscriber.complete();\n        }\n      )\n    );\n  });\n}\n", "import { asyncScheduler } from '../scheduler/async';\nimport { throttle, ThrottleConfig } from './throttle';\nimport { MonoTypeOperatorFunction, SchedulerLike } from '../types';\nimport { timer } from '../observable/timer';\n\n/**\n * Emits a value from the source Observable, then ignores subsequent source\n * values for `duration` milliseconds, then repeats this process.\n *\n * <span class=\"informal\">Lets a value pass, then ignores source values for the\n * next `duration` milliseconds.</span>\n *\n * ![](throttleTime.png)\n *\n * `throttleTime` emits the source Observable values on the output Observable\n * when its internal timer is disabled, and ignores source values when the timer\n * is enabled. Initially, the timer is disabled. As soon as the first source\n * value arrives, it is forwarded to the output Observable, and then the timer\n * is enabled. After `duration` milliseconds (or the time unit determined\n * internally by the optional `scheduler`) has passed, the timer is disabled,\n * and this process repeats for the next source value. Optionally takes a\n * {@link SchedulerLike} for managing timers.\n *\n * ## Examples\n *\n * ### Limit click rate\n *\n * Emit clicks at a rate of at most one click per second\n *\n * ```ts\n * import { fromEvent, throttleTime } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(throttleTime(1000));\n *\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link auditTime}\n * @see {@link debounceTime}\n * @see {@link delay}\n * @see {@link sampleTime}\n * @see {@link throttle}\n *\n * @param duration Time to wait before emitting another value after\n * emitting the last value, measured in milliseconds or the time unit determined\n * internally by the optional `scheduler`.\n * @param scheduler The {@link SchedulerLike} to use for\n * managing the timers that handle the throttling. Defaults to {@link asyncScheduler}.\n * @param config A configuration object to define `leading` and\n * `trailing` behavior. Defaults to `{ leading: true, trailing: false }`.\n * @return A function that returns an Observable that performs the throttle\n * operation to limit the rate of emissions from the source.\n */\nexport function throttleTime<T>(\n  duration: number,\n  scheduler: SchedulerLike = asyncScheduler,\n  config?: ThrottleConfig\n): MonoTypeOperatorFunction<T> {\n  const duration$ = timer(duration, scheduler);\n  return throttle(() => duration$, config);\n}\n", "import { OperatorFunction, ObservableInputTuple } from '../types';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber } from './OperatorSubscriber';\nimport { innerFrom } from '../observable/innerFrom';\nimport { identity } from '../util/identity';\nimport { noop } from '../util/noop';\nimport { popResultSelector } from '../util/args';\n\nexport function withLatestFrom<T, O extends unknown[]>(...inputs: [...ObservableInputTuple<O>]): OperatorFunction<T, [T, ...O]>;\n\nexport function withLatestFrom<T, O extends unknown[], R>(\n  ...inputs: [...ObservableInputTuple<O>, (...value: [T, ...O]) => R]\n): OperatorFunction<T, R>;\n\n/**\n * Combines the source Observable with other Observables to create an Observable\n * whose values are calculated from the latest values of each, only when the\n * source emits.\n *\n * <span class=\"informal\">Whenever the source Observable emits a value, it\n * computes a formula using that value plus the latest values from other input\n * Observables, then emits the output of that formula.</span>\n *\n * ![](withLatestFrom.png)\n *\n * `withLatestFrom` combines each value from the source Observable (the\n * instance) with the latest values from the other input Observables only when\n * the source emits a value, optionally using a `project` function to determine\n * the value to be emitted on the output Observable. All input Observables must\n * emit at least one value before the output Observable will emit a value.\n *\n * ## Example\n *\n * On every click event, emit an array with the latest timer event plus the click event\n *\n * ```ts\n * import { fromEvent, interval, withLatestFrom } from 'rxjs';\n *\n * const clicks = fromEvent(document, 'click');\n * const timer = interval(1000);\n * const result = clicks.pipe(withLatestFrom(timer));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link combineLatest}\n *\n * @param inputs An input Observable to combine with the source Observable. More\n * than one input Observables may be given as argument. If the last parameter is\n * a function, it will be used as a projection function for combining values\n * together. When the function is called, it receives all values in order of the\n * Observables passed, where the first parameter is a value from the source\n * Observable. (e.g.\n * `a.pipe(withLatestFrom(b, c), map(([a1, b1, c1]) => a1 + b1 + c1))`). If this\n * is not passed, arrays will be emitted on the output Observable.\n * @return A function that returns an Observable of projected values from the\n * most recent values from each input Observable, or an array of the most\n * recent values from each input Observable.\n */\nexport function withLatestFrom<T, R>(...inputs: any[]): OperatorFunction<T, R | any[]> {\n  const project = popResultSelector(inputs) as ((...args: any[]) => R) | undefined;\n\n  return operate((source, subscriber) => {\n    const len = inputs.length;\n    const otherValues = new Array(len);\n    // An array of whether or not the other sources have emitted. Matched with them by index.\n    // TODO: At somepoint, we should investigate the performance implications here, and look\n    // into using a `Set()` and checking the `size` to see if we're ready.\n    let hasValue = inputs.map(() => false);\n    // Flipped true when we have at least one value from all other sources and\n    // we are ready to start emitting values.\n    let ready = false;\n\n    // Other sources. Note that here we are not checking `subscriber.closed`,\n    // this causes all inputs to be subscribed to, even if nothing can be emitted\n    // from them. This is an important distinction because subscription constitutes\n    // a side-effect.\n    for (let i = 0; i < len; i++) {\n      innerFrom(inputs[i]).subscribe(\n        createOperatorSubscriber(\n          subscriber,\n          (value) => {\n            otherValues[i] = value;\n            if (!ready && !hasValue[i]) {\n              // If we're not ready yet, flag to show this observable has emitted.\n              hasValue[i] = true;\n              // Intentionally terse code.\n              // If all of our other observables have emitted, set `ready` to `true`,\n              // so we know we can start emitting values, then clean up the `hasValue` array,\n              // because we don't need it anymore.\n              (ready = hasValue.every(identity)) && (hasValue = null!);\n            }\n          },\n          // Completing one of the other sources has\n          // no bearing on the completion of our result.\n          noop\n        )\n      );\n    }\n\n    // Source subscription\n    source.subscribe(\n      createOperatorSubscriber(subscriber, (value) => {\n        if (ready) {\n          // We have at least one value from the other sources. Go ahead and emit.\n          const values = [value, ...otherValues];\n          subscriber.next(project ? project(...values) : values);\n        }\n      })\n    );\n  });\n}\n", "import { zip as zipStatic } from '../observable/zip';\nimport { ObservableInput, ObservableInputTuple, OperatorFunction, Cons } from '../types';\nimport { operate } from '../util/lift';\n\n/** @deprecated Replaced with {@link zipWith}. Will be removed in v8. */\nexport function zip<T, A extends readonly unknown[]>(otherInputs: [...ObservableInputTuple<A>]): OperatorFunction<T, Cons<T, A>>;\n/** @deprecated Replaced with {@link zipWith}. Will be removed in v8. */\nexport function zip<T, A extends readonly unknown[], R>(\n  otherInputsAndProject: [...ObservableInputTuple<A>],\n  project: (...values: Cons<T, A>) => R\n): OperatorFunction<T, R>;\n/** @deprecated Replaced with {@link zipWith}. Will be removed in v8. */\nexport function zip<T, A extends readonly unknown[]>(...otherInputs: [...ObservableInputTuple<A>]): OperatorFunction<T, Cons<T, A>>;\n/** @deprecated Replaced with {@link zipWith}. Will be removed in v8. */\nexport function zip<T, A extends readonly unknown[], R>(\n  ...otherInputsAndProject: [...ObservableInputTuple<A>, (...values: Cons<T, A>) => R]\n): OperatorFunction<T, R>;\n\n/**\n * @deprecated Replaced with {@link zipWith}. Will be removed in v8.\n */\nexport function zip<T, R>(...sources: Array<ObservableInput<any> | ((...values: Array<any>) => R)>): OperatorFunction<T, any> {\n  return operate((source, subscriber) => {\n    zipStatic(source as ObservableInput<any>, ...(sources as Array<ObservableInput<any>>)).subscribe(subscriber);\n  });\n}\n", "import { ObservableInputTuple, OperatorFunction, Cons } from '../types';\nimport { zip } from './zip';\n\n/**\n * Subscribes to the source, and the observable inputs provided as arguments, and combines their values, by index, into arrays.\n *\n * What is meant by \"combine by index\": The first value from each will be made into a single array, then emitted,\n * then the second value from each will be combined into a single array and emitted, then the third value\n * from each will be combined into a single array and emitted, and so on.\n *\n * This will continue until it is no longer able to combine values of the same index into an array.\n *\n * After the last value from any one completed source is emitted in an array, the resulting observable will complete,\n * as there is no way to continue \"zipping\" values together by index.\n *\n * Use-cases for this operator are limited. There are memory concerns if one of the streams is emitting\n * values at a much faster rate than the others. Usage should likely be limited to streams that emit\n * at a similar pace, or finite streams of known length.\n *\n * In many cases, authors want `combineLatestWith` and not `zipWith`.\n *\n * @param otherInputs other observable inputs to collate values from.\n * @return A function that returns an Observable that emits items by index\n * combined from the source Observable and provided Observables, in form of an\n * array.\n */\nexport function zipWith<T, A extends readonly unknown[]>(...otherInputs: [...ObservableInputTuple<A>]): OperatorFunction<T, Cons<T, A>> {\n  return zip(...otherInputs);\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  ReplaySubject,\n  Subject,\n  fromEvent\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document\n *\n * Documents are implemented as subjects, so all downstream observables are\n * automatically updated when a new document is emitted.\n *\n * @returns Document subject\n */\nexport function watchDocument(): Subject<Document> {\n  const document$ = new ReplaySubject<Document>(1)\n  fromEvent(document, \"DOMContentLoaded\", { once: true })\n    .subscribe(() => document$.next(document))\n\n  /* Return document */\n  return document$\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve all elements matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getElements<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T][]\n\nexport function getElements<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T[]\n\nexport function getElements<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T[] {\n  return Array.from(node.querySelectorAll<T>(selector))\n}\n\n/**\n * Retrieve an element matching a query selector or throw a reference error\n *\n * Note that this function assumes that the element is present. If unsure if an\n * element is existent, use the `getOptionalElement` function instead.\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getElement<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T]\n\nexport function getElement<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T\n\nexport function getElement<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T {\n  const el = getOptionalElement<T>(selector, node)\n  if (typeof el === \"undefined\")\n    throw new ReferenceError(\n      `Missing element: expected \"${selector}\" to be present`\n    )\n\n  /* Return element */\n  return el\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Retrieve an optional element matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element or nothing\n */\nexport function getOptionalElement<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T] | undefined\n\nexport function getOptionalElement<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T | undefined\n\nexport function getOptionalElement<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T | undefined {\n  return node.querySelector<T>(selector) || undefined\n}\n\n/**\n * Retrieve the currently active element\n *\n * @returns Element or nothing\n */\nexport function getActiveElement(): HTMLElement | undefined {\n  return (\n    document.activeElement?.shadowRoot?.activeElement as HTMLElement ??\n    document.activeElement as HTMLElement ??\n    undefined\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  debounceTime,\n  distinctUntilChanged,\n  fromEvent,\n  map,\n  merge,\n  shareReplay,\n  startWith\n} from \"rxjs\"\n\nimport { getActiveElement } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Focus observable\n *\n * Previously, this observer used `focus` and `blur` events to determine whether\n * an element is focused, but this doesn't work if there are focusable elements\n * within the elements itself. A better solutions are `focusin` and `focusout`\n * events, which bubble up the tree and allow for more fine-grained control.\n *\n * `debounceTime` is necessary, because when a focus change happens inside an\n * element, the observable would first emit `false` and then `true` again.\n */\nconst observer$ = merge(\n  fromEvent(document.body, \"focusin\"),\n  fromEvent(document.body, \"focusout\")\n)\n  .pipe(\n    debounceTime(1),\n    startWith(undefined),\n    map(() => getActiveElement() || document.body),\n    shareReplay(1)\n  )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch element focus\n *\n * @param el - Element\n *\n * @returns Element focus observable\n */\nexport function watchElementFocus(\n  el: HTMLElement\n): Observable<boolean> {\n  return observer$\n    .pipe(\n      map(active => el.contains(active)),\n      distinctUntilChanged()\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  debounce,\n  defer,\n  fromEvent,\n  identity,\n  map,\n  merge,\n  startWith,\n  timer\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch element hover\n *\n * The second parameter allows to specify a timeout in milliseconds after which\n * the hover state will be reset to `false`. This is useful for tooltips which\n * should disappear after a certain amount of time, in order to allow the user\n * to move the cursor from the host to the tooltip.\n *\n * @param el - Element\n * @param timeout - Timeout\n *\n * @returns Element hover observable\n */\nexport function watchElementHover(\n  el: HTMLElement, timeout?: number\n): Observable<boolean> {\n  return defer(() => merge(\n    fromEvent(el, \"mouseenter\").pipe(map(() => true)),\n    fromEvent(el, \"mouseleave\").pipe(map(() => false))\n  )\n    .pipe(\n      timeout ? debounce(active => timer(+!active * timeout)) : identity,\n      startWith(el.matches(\":hover\"))\n    )\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { JSX as JSXInternal } from \"preact\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML attributes\n */\ntype Attributes =\n  & JSXInternal.HTMLAttributes\n  & JSXInternal.SVGAttributes\n  & Record<string, any>\n\n/**\n * Child element\n */\ntype Child =\n  | ChildNode\n  | HTMLElement\n  | Text\n  | string\n  | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Append a child node to an element\n *\n * @param el - Element\n * @param child - Child node(s)\n */\nfunction appendChild(el: HTMLElement, child: Child | Child[]): void {\n\n  /* Handle primitive types (including raw HTML) */\n  if (typeof child === \"string\" || typeof child === \"number\") {\n    el.innerHTML += child.toString()\n\n  /* Handle nodes */\n  } else if (child instanceof Node) {\n    el.appendChild(child)\n\n  /* Handle nested children */\n  } else if (Array.isArray(child)) {\n    for (const node of child)\n      appendChild(el, node)\n  }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * JSX factory\n *\n * @template T - Element type\n *\n * @param tag - HTML tag\n * @param attributes - HTML attributes\n * @param children - Child elements\n *\n * @returns Element\n */\nexport function h<T extends keyof HTMLElementTagNameMap>(\n  tag: T, attributes?: Attributes | null, ...children: Child[]\n): HTMLElementTagNameMap[T]\n\nexport function h<T extends h.JSX.Element>(\n  tag: string, attributes?: Attributes | null, ...children: Child[]\n): T\n\nexport function h<T extends h.JSX.Element>(\n  tag: string, attributes?: Attributes | null, ...children: Child[]\n): T {\n  const el = document.createElement(tag)\n\n  /* Set attributes, if any */\n  if (attributes)\n    for (const attr of Object.keys(attributes)) {\n      if (typeof attributes[attr] === \"undefined\")\n        continue\n\n      /* Set default attribute or boolean */\n      if (typeof attributes[attr] !== \"boolean\")\n        el.setAttribute(attr, attributes[attr])\n      else\n        el.setAttribute(attr, \"\")\n    }\n\n  /* Append child nodes */\n  for (const child of children)\n    appendChild(el, child)\n\n  /* Return element */\n  return el as T\n}\n\n/* ----------------------------------------------------------------------------\n * Namespace\n * ------------------------------------------------------------------------- */\n\nexport declare namespace h {\n  namespace JSX {\n    type Element = HTMLElement\n    type IntrinsicElements = JSXInternal.IntrinsicElements\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Round a number for display with repository facts\n *\n * This is a reverse-engineered version of GitHub's weird rounding algorithm\n * for stars, forks and all other numbers. While all numbers below `1,000` are\n * returned as-is, bigger numbers are converted to fixed numbers:\n *\n * - `1,049` => `1k`\n * - `1,050` => `1.1k`\n * - `1,949` => `1.9k`\n * - `1,950` => `2k`\n *\n * @param value - Original value\n *\n * @returns Rounded value\n */\nexport function round(value: number): string {\n  if (value > 999) {\n    const digits = +((value - 950) % 1000 > 99)\n    return `${((value + 0.000001) / 1000).toFixed(digits)}k`\n  } else {\n    return value.toString()\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  defer,\n  finalize,\n  fromEvent,\n  map,\n  merge,\n  switchMap,\n  take,\n  throwError\n} from \"rxjs\"\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create and load a `script` element\n *\n * This function returns an observable that will emit when the script was\n * successfully loaded, or throw an error if it wasn't.\n *\n * @param src - Script URL\n *\n * @returns Script observable\n */\nexport function watchScript(src: string): Observable<void> {\n  const script = h(\"script\", { src })\n  return defer(() => {\n    document.head.appendChild(script)\n    return merge(\n      fromEvent(script, \"load\"),\n      fromEvent(script, \"error\")\n        .pipe(\n          switchMap(() => (\n            throwError(() => new ReferenceError(`Invalid script: ${src}`))\n          ))\n        )\n    )\n      .pipe(\n        map(() => undefined),\n        finalize(() => document.head.removeChild(script)),\n        take(1)\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  NEVER,\n  Observable,\n  Subject,\n  defer,\n  filter,\n  finalize,\n  map,\n  merge,\n  of,\n  shareReplay,\n  startWith,\n  switchMap,\n  tap\n} from \"rxjs\"\n\nimport { watchScript } from \"../../../script\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementSize {\n  width: number                        /* Element width */\n  height: number                       /* Element height */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Resize observer entry subject\n */\nconst entry$ = new Subject<ResizeObserverEntry>()\n\n/**\n * Resize observer observable\n *\n * This observable will create a `ResizeObserver` on the first subscription\n * and will automatically terminate it when there are no more subscribers.\n * It's quite important to centralize observation in a single `ResizeObserver`,\n * as the performance difference can be quite dramatic, as the link shows.\n *\n * If the browser doesn't have a `ResizeObserver` implementation available, a\n * polyfill is automatically downloaded from unpkg.com. This is also compatible\n * with the built-in privacy plugin, which will download the polyfill and put\n * it alongside the built site for self-hosting.\n *\n * @see https://bit.ly/3iIYfEm - Google Groups on performance\n */\nconst observer$ = defer(() => (\n  typeof ResizeObserver === \"undefined\"\n    ? watchScript(\"https://unpkg.com/resize-observer-polyfill\")\n    : of(undefined)\n))\n  .pipe(\n    map(() => new ResizeObserver(entries => (\n      entries.forEach(entry => entry$.next(entry))\n    ))),\n    switchMap(observer => merge(NEVER, of(observer)).pipe(\n      finalize(() => observer.disconnect())\n    )),\n    shareReplay(1)\n  )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element size\n *\n * @param el - Element\n *\n * @returns Element size\n */\nexport function getElementSize(\n  el: HTMLElement\n): ElementSize {\n  return {\n    width:  el.offsetWidth,\n    height: el.offsetHeight\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element size\n *\n * This function returns an observable that subscribes to a single internal\n * instance of `ResizeObserver` upon subscription, and emit resize events until\n * termination. Note that this function should not be called with the same\n * element twice, as the first unsubscription will terminate observation.\n *\n * Sadly, we can't use the `DOMRect` objects returned by the observer, because\n * we need the emitted values to be consistent with `getElementSize`, which will\n * return the used values (rounded) and not actual values (unrounded). Thus, we\n * use the `offset*` properties. See the linked GitHub issue.\n *\n * @see https://bit.ly/3m0k3he - GitHub issue\n *\n * @param el - Element\n *\n * @returns Element size observable\n */\nexport function watchElementSize(\n  el: HTMLElement\n): Observable<ElementSize> {\n\n  // Compute target element - since inline elements cannot be observed by the\n  // current `ResizeObserver` implementation as provided by browsers, we need\n  // to determine the first containing parent element and use that one as a\n  // target, while we always compute the actual size from the element.\n  let target = el\n  while (target.clientWidth === 0)\n    if (target.parentElement)\n      target = target.parentElement\n    else\n      break\n\n  // Observe target element and recompute element size on resize - as described\n  // above, the target element is not necessarily the element of interest\n  return observer$.pipe(\n    tap(observer => observer.observe(target)),\n    switchMap(observer => entry$.pipe(\n      filter(entry => entry.target === target),\n      finalize(() => observer.unobserve(target))\n    )),\n    map(() => getElementSize(el)),\n    startWith(getElementSize(el))\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ElementSize } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element content size (= scroll width and height)\n *\n * @param el - Element\n *\n * @returns Element content size\n */\nexport function getElementContentSize(\n  el: HTMLElement\n): ElementSize {\n  return {\n    width:  el.scrollWidth,\n    height: el.scrollHeight\n  }\n}\n\n/**\n * Retrieve the overflowing container of an element, if any\n *\n * @param el - Element\n *\n * @returns Overflowing container or nothing\n */\nexport function getElementContainer(\n  el: HTMLElement\n): HTMLElement | undefined {\n  let parent = el.parentElement\n  while (parent)\n    if (\n      el.scrollWidth  <= parent.scrollWidth &&\n      el.scrollHeight <= parent.scrollHeight\n    )\n      parent = (el = parent).parentElement\n    else\n      break\n\n  /* Return overflowing container */\n  return parent ? el : undefined\n}\n\n/**\n * Retrieve all overflowing containers of an element, if any\n *\n * Note that this function has a slightly different behavior, so we should at\n * some point consider refactoring how overflowing containers are handled.\n *\n * @param el - Element\n *\n * @returns Overflowing containers\n */\nexport function getElementContainers(\n  el: HTMLElement\n): HTMLElement[] {\n  const containers: HTMLElement[] = []\n\n  // Walk up the DOM tree until we find an overflowing container\n  let parent = el.parentElement\n  while (parent) {\n    if (\n      el.clientWidth  > parent.clientWidth ||\n      el.clientHeight > parent.clientHeight\n    )\n      containers.push(parent)\n\n    // Continue with parent element\n    parent = (el = parent).parentElement\n  }\n\n  // If the page is short, the body might not be overflowing and there might be\n  // no other containers, which is why we need to make sure the body is present\n  if (containers.length === 0)\n    containers.push(document.documentElement)\n\n  // Return overflowing containers\n  return containers\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  animationFrameScheduler,\n  auditTime,\n  fromEvent,\n  map,\n  merge,\n  startWith\n} from \"rxjs\"\n\nimport { watchElementSize } from \"../../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementOffset {\n  x: number                            /* Horizontal offset */\n  y: number                            /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element offset\n *\n * @param el - Element\n *\n * @returns Element offset\n */\nexport function getElementOffset(\n  el: HTMLElement\n): ElementOffset {\n  return {\n    x: el.offsetLeft,\n    y: el.offsetTop\n  }\n}\n\n/**\n * Retrieve absolute element offset\n *\n * @param el - Element\n *\n * @returns Element offset\n */\nexport function getElementOffsetAbsolute(\n  el: HTMLElement\n): ElementOffset {\n  const rect = el.getBoundingClientRect()\n  return {\n    x: rect.x + window.scrollX,\n    y: rect.y + window.scrollY\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element offset\n *\n * @param el - Element\n *\n * @returns Element offset observable\n */\nexport function watchElementOffset(\n  el: HTMLElement\n): Observable<ElementOffset> {\n  return merge(\n    fromEvent(window, \"load\"),\n    fromEvent(window, \"resize\")\n  )\n    .pipe(\n      auditTime(0, animationFrameScheduler),\n      map(() => getElementOffset(el)),\n      startWith(getElementOffset(el))\n    )\n}\n\n/**\n * Watch absolute element offset\n *\n * @param el - Element\n *\n * @returns Element offset observable\n */\nexport function watchElementOffsetAbsolute(\n  el: HTMLElement\n): Observable<ElementOffset> {\n  return merge(\n    watchElementOffset(el),\n    watchElementSize(document.body) // @todo find a better way for this\n  )\n    .pipe(\n      map(() => getElementOffsetAbsolute(el)),\n      startWith(getElementOffsetAbsolute(el))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  animationFrameScheduler,\n  auditTime,\n  fromEvent,\n  map,\n  merge,\n  startWith\n} from \"rxjs\"\n\nimport { ElementOffset } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element content offset (= scroll offset)\n *\n * @param el - Element\n *\n * @returns Element content offset\n */\nexport function getElementContentOffset(\n  el: HTMLElement\n): ElementOffset {\n  return {\n    x: el.scrollLeft,\n    y: el.scrollTop\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element content offset\n *\n * @param el - Element\n *\n * @returns Element content offset observable\n */\nexport function watchElementContentOffset(\n  el: HTMLElement\n): Observable<ElementOffset> {\n  return merge(\n    fromEvent(el, \"scroll\"),\n    fromEvent(window, \"scroll\"),\n    fromEvent(window, \"resize\")\n  )\n    .pipe(\n      auditTime(0, animationFrameScheduler),\n      map(() => getElementContentOffset(el)),\n      startWith(getElementContentOffset(el))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  NEVER,\n  Observable,\n  Subject,\n  defer,\n  distinctUntilChanged,\n  filter,\n  finalize,\n  map,\n  merge,\n  of,\n  shareReplay,\n  switchMap,\n  tap\n} from \"rxjs\"\n\nimport {\n  getElementContentSize,\n  getElementSize,\n  watchElementContentOffset\n} from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Intersection observer entry subject\n */\nconst entry$ = new Subject<IntersectionObserverEntry>()\n\n/**\n * Intersection observer observable\n *\n * This observable will create an `IntersectionObserver` on first subscription\n * and will automatically terminate it when there are no more subscribers.\n *\n * @see https://bit.ly/3iIYfEm - Google Groups on performance\n */\nconst observer$ = defer(() => of(\n  new IntersectionObserver(entries => {\n    for (const entry of entries)\n      entry$.next(entry)\n  }, {\n    threshold: 0\n  })\n))\n  .pipe(\n    switchMap(observer => merge(NEVER, of(observer))\n      .pipe(\n        finalize(() => observer.disconnect())\n      )\n    ),\n    shareReplay(1)\n  )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch element visibility\n *\n * @param el - Element\n *\n * @returns Element visibility observable\n */\nexport function watchElementVisibility(\n  el: HTMLElement\n): Observable<boolean> {\n  return observer$\n    .pipe(\n      tap(observer => observer.observe(el)),\n      switchMap(observer => entry$\n        .pipe(\n          filter(({ target }) => target === el),\n          finalize(() => observer.unobserve(el)),\n          map(({ isIntersecting }) => isIntersecting)\n        )\n      )\n    )\n}\n\n/**\n * Watch element boundary\n *\n * This function returns an observable which emits whether the bottom content\n * boundary (= scroll offset) of an element is within a certain threshold.\n *\n * @param el - Element\n * @param threshold - Threshold\n *\n * @returns Element boundary observable\n */\nexport function watchElementBoundary(\n  el: HTMLElement, threshold = 16\n): Observable<boolean> {\n  return watchElementContentOffset(el)\n    .pipe(\n      map(({ y }) => {\n        const visible = getElementSize(el)\n        const content = getElementContentSize(el)\n        return y >= (\n          content.height - visible.height - threshold\n        )\n      }),\n      distinctUntilChanged()\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  fromEvent,\n  map,\n  startWith\n} from \"rxjs\"\n\nimport { getElement } from \"../element\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle\n */\nexport type Toggle =\n  | \"drawer\"                           /* Toggle for drawer */\n  | \"search\"                           /* Toggle for search */\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle map\n */\nconst toggles: Record<Toggle, HTMLInputElement> = {\n  drawer: getElement(\"[data-md-toggle=drawer]\"),\n  search: getElement(\"[data-md-toggle=search]\")\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the value of a toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value\n */\nexport function getToggle(name: Toggle): boolean {\n  return toggles[name].checked\n}\n\n/**\n * Set toggle\n *\n * Simulating a click event seems to be the most cross-browser compatible way\n * of changing the value while also emitting a `change` event. Before, Material\n * used `CustomEvent` to programmatically change the value of a toggle, but this\n * is a much simpler and cleaner solution which doesn't require a polyfill.\n *\n * @param name - Toggle\n * @param value - Toggle value\n */\nexport function setToggle(name: Toggle, value: boolean): void {\n  if (toggles[name].checked !== value)\n    toggles[name].click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value observable\n */\nexport function watchToggle(name: Toggle): Observable<boolean> {\n  const el = toggles[name]\n  return fromEvent(el, \"change\")\n    .pipe(\n      map(() => el.checked),\n      startWith(el.checked)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  filter,\n  fromEvent,\n  map,\n  merge,\n  share,\n  startWith,\n  switchMap\n} from \"rxjs\"\n\nimport { getActiveElement } from \"../element\"\nimport { getToggle } from \"../toggle\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Keyboard mode\n */\nexport type KeyboardMode =\n  | \"global\"                           /* Global */\n  | \"search\"                           /* Search is open */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Keyboard\n */\nexport interface Keyboard {\n  mode: KeyboardMode                   /* Keyboard mode */\n  type: string                         /* Key type */\n  claim(): void                        /* Key claim */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether an element may receive keyboard input\n *\n * @param el - Element\n * @param type - Key type\n *\n * @returns Test result\n */\nfunction isSusceptibleToKeyboard(\n  el: HTMLElement, type: string\n): boolean {\n  switch (el.constructor) {\n\n    /* Input elements */\n    case HTMLInputElement:\n      /* @ts-expect-error - omit unnecessary type cast */\n      if (el.type === \"radio\")\n        return /^Arrow/.test(type)\n      else\n        return true\n\n    /* Select element and textarea */\n    case HTMLSelectElement:\n    case HTMLTextAreaElement:\n      return true\n\n    /* Everything else */\n    default:\n      return el.isContentEditable\n  }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch composition events\n *\n * @returns Composition observable\n */\nexport function watchComposition(): Observable<boolean> {\n  return merge(\n    fromEvent(window, \"compositionstart\").pipe(map(() => true)),\n    fromEvent(window, \"compositionend\").pipe(map(() => false))\n  )\n    .pipe(\n      startWith(false)\n    )\n}\n\n/**\n * Watch keyboard\n *\n * @returns Keyboard observable\n */\nexport function watchKeyboard(): Observable<Keyboard> {\n  const keyboard$ = fromEvent<KeyboardEvent>(window, \"keydown\")\n    .pipe(\n      filter(ev => !(ev.metaKey || ev.ctrlKey)),\n      map(ev => ({\n        mode: getToggle(\"search\") ? \"search\" : \"global\",\n        type: ev.key,\n        claim() {\n          ev.preventDefault()\n          ev.stopPropagation()\n        }\n      } as Keyboard)),\n      filter(({ mode, type }) => {\n        if (mode === \"global\") {\n          const active = getActiveElement()\n          if (typeof active !== \"undefined\")\n            return !isSusceptibleToKeyboard(active, type)\n        }\n        return true\n      }),\n      share()\n    )\n\n  /* Don't emit during composition events - see https://bit.ly/3te3Wl8 */\n  return watchComposition()\n    .pipe(\n      switchMap(active => !active ? keyboard$ : EMPTY)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Subject } from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location\n *\n * This function returns a `URL` object (and not `Location`) to normalize the\n * typings across the application. Furthermore, locations need to be tracked\n * without setting them and `Location` is a singleton which represents the\n * current location.\n *\n * @returns URL\n */\nexport function getLocation(): URL {\n  return new URL(location.href)\n}\n\n/**\n * Set location\n *\n * If instant navigation is enabled, this function creates a temporary anchor\n * element, sets the `href` attribute, appends it to the body, clicks it, and\n * then removes it again. The event will bubble up the DOM and trigger be\n * intercepted by the instant loading business logic.\n *\n * Note that we must append and remove the anchor element, or the event will\n * not bubble up the DOM, making it impossible to intercept it.\n *\n * @param url - URL to navigate to\n * @param navigate - Force navigation\n */\nexport function setLocation(\n  url: URL | HTMLLinkElement, navigate = false\n): void {\n  if (feature(\"navigation.instant\") && !navigate) {\n    const el = h(\"a\", { href: url.href })\n    document.body.appendChild(el)\n    el.click()\n    el.remove()\n\n  // If we're not using instant navigation, and the page should not be reloaded\n  // just instruct the browser to navigate to the given URL\n  } else {\n    location.href = url.href\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @returns Location subject\n */\nexport function watchLocation(): Subject<URL> {\n  return new Subject<URL>()\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  filter,\n  fromEvent,\n  map,\n  merge,\n  shareReplay,\n  startWith\n} from \"rxjs\"\n\nimport { getOptionalElement } from \"~/browser\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location hash\n *\n * @returns Location hash\n */\nexport function getLocationHash(): string {\n  return location.hash.slice(1)\n}\n\n/**\n * Set location hash\n *\n * Setting a new fragment identifier via `location.hash` will have no effect\n * if the value doesn't change. When a new fragment identifier is set, we want\n * the browser to target the respective element at all times, which is why we\n * use this dirty little trick.\n *\n * @param hash - Location hash\n */\nexport function setLocationHash(hash: string): void {\n  const el = h(\"a\", { href: hash })\n  el.addEventListener(\"click\", ev => ev.stopPropagation())\n  el.click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location hash\n *\n * @param location$ - Location observable\n *\n * @returns Location hash observable\n */\nexport function watchLocationHash(\n  location$: Observable<URL>\n): Observable<string> {\n  return merge(\n    fromEvent<HashChangeEvent>(window, \"hashchange\"),\n    location$\n  )\n    .pipe(\n      map(getLocationHash),\n      startWith(getLocationHash()),\n      filter(hash => hash.length > 0),\n      shareReplay(1)\n    )\n}\n\n/**\n * Watch location target\n *\n * @param location$ - Location observable\n *\n * @returns Location target observable\n */\nexport function watchLocationTarget(\n  location$: Observable<URL>\n): Observable<HTMLElement> {\n  return watchLocationHash(location$)\n    .pipe(\n      map(id => getOptionalElement(`[id=\"${id}\"]`)!),\n      filter(el => typeof el !== \"undefined\")\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  fromEvent,\n  fromEventPattern,\n  map,\n  merge,\n  startWith,\n  switchMap\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch media query\n *\n * Note that although `MediaQueryList.addListener` is deprecated we have to\n * use it, because it's the only way to ensure proper downward compatibility.\n *\n * @see https://bit.ly/3dUBH2m - GitHub issue\n *\n * @param query - Media query\n *\n * @returns Media observable\n */\nexport function watchMedia(query: string): Observable<boolean> {\n  const media = matchMedia(query)\n  return fromEventPattern<boolean>(next => (\n    media.addListener(() => next(media.matches))\n  ))\n    .pipe(\n      startWith(media.matches)\n    )\n}\n\n/**\n * Watch print mode\n *\n * @returns Print observable\n */\nexport function watchPrint(): Observable<boolean> {\n  const media = matchMedia(\"print\")\n  return merge(\n    fromEvent(window, \"beforeprint\").pipe(map(() => true)),\n    fromEvent(window, \"afterprint\").pipe(map(() => false))\n  )\n    .pipe(\n      startWith(media.matches)\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Toggle an observable with a media observable\n *\n * @template T - Data type\n *\n * @param query$ - Media observable\n * @param factory - Observable factory\n *\n * @returns Toggled observable\n */\nexport function at<T>(\n  query$: Observable<boolean>, factory: () => Observable<T>\n): Observable<T> {\n  return query$\n    .pipe(\n      switchMap(active => active ? factory() : EMPTY)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  map,\n  shareReplay,\n  switchMap\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n  progress$?: Subject<number>          // Progress subject\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch the given URL\n *\n * This function returns an observable that emits the response as a blob and\n * completes, or emits an error if the request failed. The caller can cancel\n * the request by unsubscribing at any time, which will automatically abort\n * the inflight request and complete the observable.\n *\n * Note that we use `XMLHTTPRequest` not because we're nostalgic, but because\n * it's the only way to get progress events for downloads and also allow for\n * cancellation of requests, as the official Fetch API does not support this\n * yet, even though we're already in 2024.\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function request(\n  url: URL | string, options?: Options\n): Observable<Blob> {\n  return new Observable<Blob>(observer => {\n    const req = new XMLHttpRequest()\n    req.open(\"GET\", `${url}`)\n    req.responseType = \"blob\"\n\n    // Handle response\n    req.addEventListener(\"load\", () => {\n      if (req.status >= 200 && req.status < 300) {\n        observer.next(req.response)\n        observer.complete()\n\n      // Every response that is not in the 2xx range is considered an error\n      } else {\n        observer.error(new Error(req.statusText))\n      }\n    })\n\n    // Handle network errors\n    req.addEventListener(\"error\", () => {\n      observer.error(new Error(\"Network error\"))\n    })\n\n    // Handle aborted requests\n    req.addEventListener(\"abort\", () => {\n      observer.complete()\n    })\n\n    // Handle download progress\n    if (typeof options?.progress$ !== \"undefined\") {\n      req.addEventListener(\"progress\", event => {\n        if (event.lengthComputable) {\n          options.progress$!.next((event.loaded / event.total) * 100)\n\n        // Hack: Chromium doesn't report the total number of bytes if content\n        // is compressed, so we need this fallback - see https://t.ly/ZXofI\n        } else {\n          const length = req.getResponseHeader(\"Content-Length\") ?? 0\n          options.progress$!.next((event.loaded / +length) * 100)\n        }\n      })\n\n      // Immediately set progress to 5% to indicate that we're loading\n      options.progress$.next(5)\n    }\n\n    // Send request and automatically abort request upon unsubscription\n    req.send()\n    return () => req.abort()\n  })\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Fetch JSON from the given URL\n *\n * @template T - Data type\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestJSON<T>(\n  url: URL | string, options?: Options\n): Observable<T> {\n  return request(url, options)\n    .pipe(\n      switchMap(res => res.text()),\n      map(body => JSON.parse(body) as T),\n      shareReplay(1)\n    )\n}\n\n/**\n * Fetch HTML from the given URL\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestHTML(\n  url: URL | string, options?: Options\n): Observable<Document> {\n  const dom = new DOMParser()\n  return request(url, options)\n    .pipe(\n      switchMap(res => res.text()),\n      map(res => dom.parseFromString(res, \"text/html\")),\n      shareReplay(1)\n    )\n}\n\n/**\n * Fetch XML from the given URL\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestXML(\n  url: URL | string, options?: Options\n): Observable<Document> {\n  const dom = new DOMParser()\n  return request(url, options)\n    .pipe(\n      switchMap(res => res.text()),\n      map(res => dom.parseFromString(res, \"text/xml\")),\n      shareReplay(1)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  fromEvent,\n  map,\n  merge,\n  startWith\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport offset\n */\nexport interface ViewportOffset {\n  x: number                            /* Horizontal offset */\n  y: number                            /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport offset\n *\n * On iOS Safari, viewport offset can be negative due to overflow scrolling.\n * As this may induce strange behaviors downstream, we'll just limit it to 0.\n *\n * @returns Viewport offset\n */\nexport function getViewportOffset(): ViewportOffset {\n  return {\n    x: Math.max(0, scrollX),\n    y: Math.max(0, scrollY)\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport offset\n *\n * @returns Viewport offset observable\n */\nexport function watchViewportOffset(): Observable<ViewportOffset> {\n  return merge(\n    fromEvent(window, \"scroll\", { passive: true }),\n    fromEvent(window, \"resize\", { passive: true })\n  )\n    .pipe(\n      map(getViewportOffset),\n      startWith(getViewportOffset())\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  fromEvent,\n  map,\n  startWith\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport size\n */\nexport interface ViewportSize {\n  width: number                        /* Viewport width */\n  height: number                       /* Viewport height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport size\n *\n * @returns Viewport size\n */\nexport function getViewportSize(): ViewportSize {\n  return {\n    width:  innerWidth,\n    height: innerHeight\n  }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport size\n *\n * @returns Viewport size observable\n */\nexport function watchViewportSize(): Observable<ViewportSize> {\n  return fromEvent(window, \"resize\", { passive: true })\n    .pipe(\n      map(getViewportSize),\n      startWith(getViewportSize())\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  combineLatest,\n  map,\n  shareReplay\n} from \"rxjs\"\n\nimport {\n  ViewportOffset,\n  watchViewportOffset\n} from \"../offset\"\nimport {\n  ViewportSize,\n  watchViewportSize\n} from \"../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport\n */\nexport interface Viewport {\n  offset: ViewportOffset               /* Viewport offset */\n  size: ViewportSize                   /* Viewport size */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport\n *\n * @returns Viewport observable\n */\nexport function watchViewport(): Observable<Viewport> {\n  return combineLatest([\n    watchViewportOffset(),\n    watchViewportSize()\n  ])\n    .pipe(\n      map(([offset, size]) => ({ offset, size })),\n      shareReplay(1)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  combineLatest,\n  distinctUntilKeyChanged,\n  map\n} from \"rxjs\"\n\nimport { Header } from \"~/components\"\n\nimport { getElementOffset } from \"../../element\"\nimport { Viewport } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport relative to element\n *\n * @param el - Element\n * @param options - Options\n *\n * @returns Viewport observable\n */\nexport function watchViewportAt(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<Viewport> {\n  const size$ = viewport$\n    .pipe(\n      distinctUntilKeyChanged(\"size\")\n    )\n\n  /* Compute element offset */\n  const offset$ = combineLatest([size$, header$])\n    .pipe(\n      map(() => getElementOffset(el))\n    )\n\n  /* Compute relative viewport, return hot observable */\n  return combineLatest([header$, viewport$, offset$])\n    .pipe(\n      map(([{ height }, { offset, size }, { x, y }]) => ({\n        offset: {\n          x: offset.x - x,\n          y: offset.y - y + height\n        },\n        size\n      }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  endWith,\n  fromEvent,\n  ignoreElements,\n  mergeWith,\n  share,\n  takeUntil\n} from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Worker message\n */\nexport interface WorkerMessage {\n  type: unknown                        /* Message type */\n  data?: unknown                       /* Message data */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create an observable for receiving from a web worker\n *\n * @template T - Data type\n *\n * @param worker - Web worker\n *\n * @returns Message observable\n */\nfunction recv<T>(worker: Worker): Observable<T> {\n  return fromEvent<MessageEvent<T>, T>(worker, \"message\", ev => ev.data)\n}\n\n/**\n * Create a subject for sending to a web worker\n *\n * @template T - Data type\n *\n * @param worker - Web worker\n *\n * @returns Message subject\n */\nfunction send<T>(worker: Worker): Subject<T> {\n  const send$ = new Subject<T>()\n  send$.subscribe(data => worker.postMessage(data))\n\n  /* Return message subject */\n  return send$\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a bidirectional communication channel to a web worker\n *\n * @template T - Data type\n *\n * @param url - Worker URL\n * @param worker - Worker\n *\n * @returns Worker subject\n */\nexport function watchWorker<T extends WorkerMessage>(\n  url: string, worker = new Worker(url)\n): Subject<T> {\n  const recv$ = recv<T>(worker)\n  const send$ = send<T>(worker)\n\n  /* Create worker subject and forward messages */\n  const worker$ = new Subject<T>()\n  worker$.subscribe(send$)\n\n  /* Return worker subject */\n  const done$ = send$.pipe(ignoreElements(), endWith(true))\n  return worker$\n    .pipe(\n      ignoreElements(),\n      mergeWith(recv$.pipe(takeUntil(done$))),\n      share()\n    ) as Subject<T>\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElement, getLocation } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Feature flag\n */\nexport type Flag =\n  | \"announce.dismiss\"                 /* Dismissable announcement bar */\n  | \"content.code.annotate\"            /* Code annotations */\n  | \"content.code.copy\"                /* Code copy button */\n  | \"content.lazy\"                     /* Lazy content elements */\n  | \"content.tabs.link\"                /* Link content tabs */\n  | \"content.tooltips\"                 /* Tooltips */\n  | \"header.autohide\"                  /* Hide header */\n  | \"navigation.expand\"                /* Automatic expansion */\n  | \"navigation.indexes\"               /* Section pages */\n  | \"navigation.instant\"               /* Instant navigation */\n  | \"navigation.instant.progress\"      /* Instant navigation progress */\n  | \"navigation.sections\"              /* Section navigation */\n  | \"navigation.tabs\"                  /* Tabs navigation */\n  | \"navigation.tabs.sticky\"           /* Tabs navigation (sticky) */\n  | \"navigation.top\"                   /* Back-to-top button */\n  | \"navigation.tracking\"              /* Anchor tracking */\n  | \"search.highlight\"                 /* Search highlighting */\n  | \"search.share\"                     /* Search sharing */\n  | \"search.suggest\"                   /* Search suggestions */\n  | \"toc.follow\"                       /* Following table of contents */\n  | \"toc.integrate\"                    /* Integrated table of contents */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Translation\n */\nexport type Translation =\n  | \"clipboard.copy\"                   /* Copy to clipboard */\n  | \"clipboard.copied\"                 /* Copied to clipboard */\n  | \"search.result.placeholder\"        /* Type to start searching */\n  | \"search.result.none\"               /* No matching documents */\n  | \"search.result.one\"                /* 1 matching document */\n  | \"search.result.other\"              /* # matching documents */\n  | \"search.result.more.one\"           /* 1 more on this page */\n  | \"search.result.more.other\"         /* # more on this page */\n  | \"search.result.term.missing\"       /* Missing */\n  | \"select.version\"                   /* Version selector */\n\n/**\n * Translations\n */\nexport type Translations =\n  Record<Translation, string>\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Versioning\n */\nexport interface Versioning {\n  provider: \"mike\"                     /* Version provider */\n  default?: string | string[]          /* Default version */\n  alias?: boolean                      /* Show alias */\n}\n\n/**\n * Configuration\n */\nexport interface Config {\n  base: string                         /* Base URL */\n  features: Flag[]                     /* Feature flags */\n  translations: Translations           /* Translations */\n  search: string                       /* Search worker URL */\n  tags?: Record<string, string>        /* Tags mapping */\n  version?: Versioning                 /* Versioning */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration and make base URL absolute\n */\nconst script = getElement(\"#__config\")\nconst config: Config = JSON.parse(script.textContent!)\nconfig.base = `${new URL(config.base, getLocation())}`\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration\n *\n * @returns Global configuration\n */\nexport function configuration(): Config {\n  return config\n}\n\n/**\n * Check whether a feature flag is enabled\n *\n * @param flag - Feature flag\n *\n * @returns Test result\n */\nexport function feature(flag: Flag): boolean {\n  return config.features.includes(flag)\n}\n\n/**\n * Retrieve the translation for the given key\n *\n * @param key - Key to be translated\n * @param value - Positional value, if any\n *\n * @returns Translation\n */\nexport function translation(\n  key: Translation, value?: string | number\n): string {\n  return typeof value !== \"undefined\"\n    ? config.translations[key].replace(\"#\", value.toString())\n    : config.translations[key]\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElement, getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component type\n */\nexport type ComponentType =\n  | \"announce\"                         /* Announcement bar */\n  | \"container\"                        /* Container */\n  | \"consent\"                          /* Consent */\n  | \"content\"                          /* Content */\n  | \"dialog\"                           /* Dialog */\n  | \"header\"                           /* Header */\n  | \"header-title\"                     /* Header title */\n  | \"header-topic\"                     /* Header topic */\n  | \"main\"                             /* Main area */\n  | \"outdated\"                         /* Version warning */\n  | \"palette\"                          /* Color palette */\n  | \"progress\"                         /* Progress indicator */\n  | \"search\"                           /* Search */\n  | \"search-query\"                     /* Search input */\n  | \"search-result\"                    /* Search results */\n  | \"search-share\"                     /* Search sharing */\n  | \"search-suggest\"                   /* Search suggestions */\n  | \"sidebar\"                          /* Sidebar */\n  | \"skip\"                             /* Skip link */\n  | \"source\"                           /* Repository information */\n  | \"tabs\"                             /* Navigation tabs */\n  | \"toc\"                              /* Table of contents */\n  | \"top\"                              /* Back-to-top button */\n\n/**\n * Component\n *\n * @template T - Component type\n * @template U - Reference type\n */\nexport type Component<\n  T extends {} = {},\n  U extends HTMLElement = HTMLElement\n> =\n  T & {\n    ref: U                             /* Component reference */\n  }\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component type map\n */\ninterface ComponentTypeMap {\n  \"announce\": HTMLElement              /* Announcement bar */\n  \"container\": HTMLElement             /* Container */\n  \"consent\": HTMLElement               /* Consent */\n  \"content\": HTMLElement               /* Content */\n  \"dialog\": HTMLElement                /* Dialog */\n  \"header\": HTMLElement                /* Header */\n  \"header-title\": HTMLElement          /* Header title */\n  \"header-topic\": HTMLElement          /* Header topic */\n  \"main\": HTMLElement                  /* Main area */\n  \"outdated\": HTMLElement              /* Version warning */\n  \"palette\": HTMLElement               /* Color palette */\n  \"progress\": HTMLElement              /* Progress indicator */\n  \"search\": HTMLElement                /* Search */\n  \"search-query\": HTMLInputElement     /* Search input */\n  \"search-result\": HTMLElement         /* Search results */\n  \"search-share\": HTMLAnchorElement    /* Search sharing */\n  \"search-suggest\": HTMLElement        /* Search suggestions */\n  \"sidebar\": HTMLElement               /* Sidebar */\n  \"skip\": HTMLAnchorElement            /* Skip link */\n  \"source\": HTMLAnchorElement          /* Repository information */\n  \"tabs\": HTMLElement                  /* Navigation tabs */\n  \"toc\": HTMLElement                   /* Table of contents */\n  \"top\": HTMLAnchorElement             /* Back-to-top button */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the element for a given component or throw a reference error\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getComponentElement<T extends ComponentType>(\n  type: T, node: ParentNode = document\n): ComponentTypeMap[T] {\n  return getElement(`[data-md-component=${type}]`, node)\n}\n\n/**\n * Retrieve all elements for a given component\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getComponentElements<T extends ComponentType>(\n  type: T, node: ParentNode = document\n): ComponentTypeMap[T][] {\n  return getElements(`[data-md-component=${type}]`, node)\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  defer,\n  finalize,\n  fromEvent,\n  map,\n  tap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport { getElement } from \"~/browser\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Announcement bar\n */\nexport interface Announce {\n  hash: number                        /* Content hash */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch announcement bar\n *\n * @param el - Announcement bar element\n *\n * @returns Announcement bar observable\n */\nexport function watchAnnounce(\n  el: HTMLElement\n): Observable<Announce> {\n  const button = getElement(\".md-typeset > :first-child\", el)\n  return fromEvent(button, \"click\", { once: true })\n    .pipe(\n      map(() => getElement(\".md-typeset\", el)),\n      map(content => ({ hash: __md_hash(content.innerHTML) }))\n    )\n}\n\n/**\n * Mount announcement bar\n *\n * @param el - Announcement bar element\n *\n * @returns Announcement bar component observable\n */\nexport function mountAnnounce(\n  el: HTMLElement\n): Observable<Component<Announce>> {\n  if (!feature(\"announce.dismiss\") || !el.childElementCount)\n    return EMPTY\n\n  /* Support instant navigation - see https://t.ly/3FTme */\n  if (!el.hidden) {\n    const content = getElement(\".md-typeset\", el)\n    if (__md_hash(content.innerHTML) === __md_get(\"__announce\"))\n      el.hidden = true\n  }\n\n  /* Mount component on subscription */\n  return defer(() => {\n    const push$ = new Subject<Announce>()\n    push$.subscribe(({ hash }) => {\n      el.hidden = true\n\n      /* Persist preference in local storage */\n      __md_set<number>(\"__announce\", hash)\n    })\n\n    /* Create and return component */\n    return watchAnnounce(el)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  finalize,\n  map,\n  tap\n} from \"rxjs\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Consent\n */\nexport interface Consent {\n  hidden: boolean                      /* Consent is hidden */\n}\n\n/**\n * Consent defaults\n */\nexport interface ConsentDefaults {\n  analytics?: boolean                  /* Consent for Analytics */\n  github?: boolean                     /* Consent for GitHub */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  target$: Observable<HTMLElement>     /* Target observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch consent\n *\n * @param el - Consent element\n * @param options - Options\n *\n * @returns Consent observable\n */\nexport function watchConsent(\n  el: HTMLElement, { target$ }: WatchOptions\n): Observable<Consent> {\n  return target$\n    .pipe(\n      map(target => ({ hidden: target !== el }))\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount consent\n *\n * @param el - Consent element\n * @param options - Options\n *\n * @returns Consent component observable\n */\nexport function mountConsent(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<Consent>> {\n  const internal$ = new Subject<Consent>()\n  internal$.subscribe(({ hidden }) => {\n    el.hidden = hidden\n  })\n\n  /* Create and return component */\n  return watchConsent(el, options)\n    .pipe(\n      tap(state => internal$.next(state)),\n      finalize(() => internal$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ComponentChild } from \"preact\"\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tooltip style\n */\nexport type TooltipStyle =\n  | \"inline\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a tooltip\n *\n * @param id - Tooltip identifier\n * @param style - Tooltip style\n *\n * @returns Element\n */\nexport function renderTooltip(\n  id?: string, style?: TooltipStyle\n): HTMLElement {\n  if (style === \"inline\") { // @todo refactor control flow\n    return (\n      <div class=\"md-tooltip md-tooltip--inline\" id={id} role=\"tooltip\">\n        <div class=\"md-tooltip__inner md-typeset\"></div>\n      </div>\n    )\n  } else {\n    return (\n      <div class=\"md-tooltip\" id={id} role=\"tooltip\">\n        <div class=\"md-tooltip__inner md-typeset\"></div>\n      </div>\n    )\n  }\n}\n\n// @todo: rename\nexport function renderInlineTooltip2(\n  ...children: ComponentChild[]\n): HTMLElement {\n  return (\n    <div class=\"md-tooltip2\" role=\"tooltip\">\n      <div class=\"md-tooltip2__inner md-typeset\">\n        {children}\n      </div>\n    </div>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\nimport { renderTooltip } from \"../tooltip\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render an annotation\n *\n * @param id - Annotation identifier\n * @param prefix - Tooltip identifier prefix\n *\n * @returns Element\n */\nexport function renderAnnotation(\n  id: string | number, prefix?: string\n): HTMLElement {\n  prefix = prefix ? `${prefix}_annotation_${id}` : undefined\n\n  /* Render tooltip with anchor, if given */\n  if (prefix) {\n    const anchor = prefix ? `#${prefix}` : undefined\n    return (\n      <aside class=\"md-annotation\" tabIndex={0}>\n        {renderTooltip(prefix)}\n        <a href={anchor} class=\"md-annotation__index\" tabIndex={-1}>\n          <span data-md-annotation-id={id}></span>\n        </a>\n      </aside>\n    )\n  } else {\n    return (\n      <aside class=\"md-annotation\" tabIndex={0}>\n        {renderTooltip(prefix)}\n        <span class=\"md-annotation__index\" tabIndex={-1}>\n          <span data-md-annotation-id={id}></span>\n        </span>\n      </aside>\n    )\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a 'copy-to-clipboard' button\n *\n * @param id - Unique identifier\n *\n * @returns Element\n */\nexport function renderClipboardButton(id: string): HTMLElement {\n  return (\n    <button\n      class=\"md-clipboard md-icon\"\n      title={translation(\"clipboard.copy\")}\n      data-clipboard-target={`#${id} > code`}\n    ></button>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\nimport { ComponentChild } from \"preact\"\n\nimport { configuration, feature, translation } from \"~/_\"\nimport { SearchItem } from \"~/integrations/search\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Render flag\n */\nconst enum Flag {\n  TEASER = 1,                          /* Render teaser */\n  PARENT = 2                           /* Render as parent */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper function\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search document\n *\n * @param document - Search document\n * @param flag - Render flags\n *\n * @returns Element\n */\nfunction renderSearchDocument(\n  document: SearchItem, flag: Flag\n): HTMLElement {\n  const parent = flag & Flag.PARENT\n  const teaser = flag & Flag.TEASER\n\n  /* Render missing query terms */\n  const missing = Object.keys(document.terms)\n    .filter(key => !document.terms[key])\n    .reduce<ComponentChild[]>((list, key) => [\n      ...list, <del>{escapeHTML(key)}</del>, \" \"\n    ], [])\n    .slice(0, -1)\n\n  /* Assemble query string for highlighting */\n  const config = configuration()\n  const url = new URL(document.location, config.base)\n  if (feature(\"search.highlight\"))\n    url.searchParams.set(\"h\", Object.entries(document.terms)\n      .filter(([, match]) => match)\n      .reduce((highlight, [value]) => `${highlight} ${value}`.trim(), \"\")\n    )\n\n  /* Render article or section, depending on flags */\n  const { tags } = configuration()\n  return (\n    <a href={`${url}`} class=\"md-search-result__link\" tabIndex={-1}>\n      <article\n        class=\"md-search-result__article md-typeset\"\n        data-md-score={document.score.toFixed(2)}\n      >\n        {parent > 0 && <div class=\"md-search-result__icon md-icon\"></div>}\n        {parent > 0 && <h1>{document.title}</h1>}\n        {parent <= 0 && <h2>{document.title}</h2>}\n        {teaser > 0 && document.text.length > 0 &&\n          document.text\n        }\n        {document.tags && (\n          <nav class=\"md-tags\">\n            {document.tags.map(tag => {\n              const type = tags\n                ? tag in tags\n                  ? `md-tag-icon md-tag--${tags[tag]}`\n                  : \"md-tag-icon\"\n                : \"\"\n              return (\n                <span class={`md-tag ${type}`}>{tag}</span>\n              )\n            })}\n          </nav>\n        )}\n        {teaser > 0 && missing.length > 0 &&\n          <p class=\"md-search-result__terms\">\n            {translation(\"search.result.term.missing\")}: {...missing}\n          </p>\n        }\n      </article>\n    </a>\n  )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search result\n *\n * @param result - Search result\n *\n * @returns Element\n */\nexport function renderSearchResultItem(\n  result: SearchItem[]\n): HTMLElement {\n  const threshold = result[0].score\n  const docs = [...result]\n\n  const config = configuration()\n\n  /* Find and extract parent article */\n  const parent = docs.findIndex(doc => {\n    const l = `${new URL(doc.location, config.base)}` // @todo hacky\n    return !l.includes(\"#\")\n  })\n  const [article] = docs.splice(parent, 1)\n\n  /* Determine last index above threshold */\n  let index = docs.findIndex(doc => doc.score < threshold)\n  if (index === -1)\n    index = docs.length\n\n  /* Partition sections */\n  const best = docs.slice(0, index)\n  const more = docs.slice(index)\n\n  /* Render children */\n  const children = [\n    renderSearchDocument(article, Flag.PARENT | +(!parent && index === 0)),\n    ...best.map(section => renderSearchDocument(section, Flag.TEASER)),\n    ...more.length ? [\n      <details class=\"md-search-result__more\">\n        <summary tabIndex={-1}>\n          <div>\n            {more.length > 0 && more.length === 1\n              ? translation(\"search.result.more.one\")\n              : translation(\"search.result.more.other\", more.length)\n            }\n          </div>\n        </summary>\n        {...more.map(section => renderSearchDocument(section, Flag.TEASER))}\n      </details>\n    ] : []\n  ]\n\n  /* Render search result */\n  return (\n    <li class=\"md-search-result__item\">\n      {children}\n    </li>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SourceFacts } from \"~/components\"\nimport { h, round } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render repository facts\n *\n * @param facts - Repository facts\n *\n * @returns Element\n */\nexport function renderSourceFacts(facts: SourceFacts): HTMLElement {\n  return (\n    <ul class=\"md-source__facts\">\n      {Object.entries(facts).map(([key, value]) => (\n        <li class={`md-source__fact md-source__fact--${key}`}>\n          {typeof value === \"number\" ? round(value) : value}\n        </li>\n      ))}\n    </ul>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tabbed control type\n */\ntype TabbedControlType =\n  | \"prev\"\n  | \"next\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render control for content tabs\n *\n * @param type - Control type\n *\n * @returns Element\n */\nexport function renderTabbedControl(\n  type: TabbedControlType\n): HTMLElement {\n  const classes = `tabbed-control tabbed-control--${type}`\n  return (\n    <div class={classes} hidden>\n      <button class=\"tabbed-button\" tabIndex={-1} aria-hidden=\"true\"></button>\n    </div>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a table inside a wrapper to improve scrolling on mobile\n *\n * @param table - Table element\n *\n * @returns Element\n */\nexport function renderTable(table: HTMLElement): HTMLElement {\n  return (\n    <div class=\"md-typeset__scrollwrap\">\n      <div class=\"md-typeset__table\">\n        {table}\n      </div>\n    </div>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { configuration, translation } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Version properties\n */\nexport interface VersionProperties {\n  hidden?: boolean                     /* Version is hidden */\n}\n\n/**\n * Version\n */\nexport interface Version {\n  version: string                      /* Version identifier */\n  title: string                        /* Version title */\n  aliases: string[]                    /* Version aliases */\n  properties?: VersionProperties       /* Version properties */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version\n *\n * @param version - Version\n *\n * @returns Element\n */\nfunction renderVersion(version: Version): HTMLElement {\n  const config = configuration()\n\n  /* Ensure trailing slash - see https://bit.ly/3rL5u3f */\n  const url = new URL(`../${version.version}/`, config.base)\n  return (\n    <li class=\"md-version__item\">\n      <a href={`${url}`} class=\"md-version__link\">\n        {version.title}\n        {config.version?.alias && version.aliases.length > 0 && (\n          <span class=\"md-version__alias\">\n            {version.aliases[0]}\n          </span>\n        )}\n      </a>\n    </li>\n  )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version selector\n *\n * @param versions - Versions\n * @param active - Active version\n *\n * @returns Element\n */\nexport function renderVersionSelector(\n  versions: Version[], active: Version\n): HTMLElement {\n  const config = configuration()\n  versions = versions.filter(version => !version.properties?.hidden)\n  return (\n    <div class=\"md-version\">\n      <button\n        class=\"md-version__current\"\n        aria-label={translation(\"select.version\")}\n      >\n        {active.title}\n        {config.version?.alias && active.aliases.length > 0 && (\n          <span class=\"md-version__alias\">\n            {active.aliases[0]}\n          </span>\n        )}\n      </button>\n      <ul class=\"md-version__list\">\n        {versions.map(renderVersion)}\n      </ul>\n    </div>\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  BehaviorSubject,\n  EMPTY,\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  combineLatest,\n  combineLatestWith,\n  debounce,\n  defer,\n  distinctUntilChanged,\n  endWith,\n  filter,\n  finalize,\n  first,\n  ignoreElements,\n  map,\n  mergeMap,\n  observeOn,\n  queueScheduler,\n  share,\n  startWith,\n  switchMap,\n  tap,\n  throttleTime,\n  timer,\n  withLatestFrom\n} from \"rxjs\"\n\nimport {\n  ElementOffset,\n  Viewport,\n  getElement,\n  getElementContainers,\n  getElementOffsetAbsolute,\n  getElementSize,\n  watchElementContentOffset,\n  watchElementFocus,\n  watchElementHover\n} from \"~/browser\"\nimport { renderInlineTooltip2 } from \"~/templates\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tooltip\n */\nexport interface Tooltip {\n  active: boolean                      // Tooltip is active\n  offset: ElementOffset                // Tooltip offset\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Dependencies\n */\ninterface Dependencies {\n  content$: Observable<HTMLElement>    // Tooltip content observable\n  viewport$: Observable<Viewport>      // Viewport observable\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Global sequence number for tooltips\n */\nlet sequence = 0\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch tooltip\n *\n * This function tracks the tooltip host element, and deduces the active state\n * and offset of the tooltip from it. The active state is determined by whether\n * the host element is focused or hovered, and the offset is determined by the\n * host element's absolute position in the document.\n *\n * @param el - Tooltip host element\n *\n * @returns Tooltip observable\n */\nexport function watchTooltip2(\n  el: HTMLElement\n): Observable<Tooltip> {\n\n  // Compute whether tooltip should be shown - we need to watch both focus and\n  // hover events on the host element and emit if one of them is active. In case\n  // of a hover event, we keep the element visible for a short amount of time\n  // after the pointer left the host element for a better user experience.\n  const active$ =\n    combineLatest([\n      watchElementFocus(el),\n      watchElementHover(el)\n    ])\n      .pipe(\n        map(([focus, hover]) => focus || hover),\n        distinctUntilChanged()\n      )\n\n  // We need to determine all parent elements of the host element that are\n  // currently scrollable, as they might affect the position of the tooltip\n  // depending on their horizontal of vertical offset. We must track all of\n  // them and recompute the position of the tooltip if they change.\n  const offset$ =\n    defer(() => getElementContainers(el)).pipe(\n      mergeMap(watchElementContentOffset),\n      throttleTime(1),\n      // Note that we need to poll the value again if the active state changes,\n      // as otherwise the tooltip might be misplaced. This particularly happens\n      // when using third-party integrations like tablesort that change the\n      // position of elements \u2013 see https://t.ly/Y-V7X\n      combineLatestWith(active$),\n      map(() => getElementOffsetAbsolute(el)),\n    )\n\n  // Only track parent elements and compute offset of the tooltip host if the\n  // tooltip should be shown - we defer the computation of the offset until the\n  // tooltip becomes active for the first time. This is necessary, because we\n  // must also keep the tooltip active as long as it is focused or hovered.\n  return active$.pipe(\n    first(active => active),\n    switchMap(() => combineLatest([active$, offset$])),\n    map(([active, offset]) => ({ active, offset })),\n    share()\n  )\n}\n\n/**\n * Mount tooltip\n *\n * This function renders a tooltip with the content from the provided `content$`\n * observable as passed via the dependencies. If the returned element has a role\n * of type `dialog`, the tooltip is considered to be interactive, and rendered\n * either above or below the host element, depending on the available space.\n *\n * If the returned element has a role of type `tooltip`, the tooltip is always\n * rendered below the host element and considered to be non-interactive. This\n * allows us to reuse the same positioning logic for both interactive and\n * non-interactive tooltips, as it is largely the same.\n *\n * @param el - Tooltip host element\n * @param dependencies - Dependencies\n *\n * @returns Tooltip component observable\n */\nexport function mountTooltip2(\n  el: HTMLElement, dependencies: Dependencies\n): Observable<Component<Tooltip>> {\n  const { content$, viewport$ } = dependencies\n\n  // Compute unique tooltip id - this is necessary to associate the tooltip host\n  // element with the tooltip element for ARIA purposes\n  const id = `__tooltip2_${sequence++}`\n\n  // Create component on subscription\n  return defer(() => {\n    const push$ = new Subject<Tooltip>()\n\n    // Create subject to track tooltip presence and visibility - we use another\n    // purely internal subject to track the tooltip's presence and visibility,\n    // as the tooltip should be visible if the host element or tooltip itself\n    // is focused or hovered to allow for smooth pointer migration\n    const show$ = new BehaviorSubject(false)\n    push$.pipe(ignoreElements(), endWith(false))\n      .subscribe(show$)\n\n    // Create observable controlling tooltip element - we create and attach the\n    // tooltip only if it is actually present, in order to keep the number of\n    // elements low. We need to keep the tooltip visible for a short time after\n    // the pointer left the host element or tooltip itself. For this, we use an\n    // inner subscription to the tooltip observable, which we terminate when the\n    // tooltip should not be shown, automatically removing the element. Moreover\n    // we use the queue scheduler, which will schedule synchronously in case the\n    // tooltip should be shown, and asynchronously if it should be hidden.\n    const node$ = show$.pipe(\n      debounce(active => timer(+!active * 250, queueScheduler)),\n      distinctUntilChanged(),\n      switchMap(active => active ? content$ : EMPTY),\n      tap(node => node.id = id),\n      share()\n    )\n\n    // Compute tooltip presence and visibility - the tooltip should be shown if\n    // the host element or the tooltip itself is focused or hovered\n    combineLatest([\n      push$.pipe(map(({ active }) => active)),\n      node$.pipe(\n        switchMap(node => watchElementHover(node, 250)),\n        startWith(false)\n      )\n    ])\n      .pipe(map(states => states.some(active => active)))\n      .subscribe(show$)\n\n    // Compute tooltip origin - we need to compute the tooltip origin depending\n    // on the position of the host element, the viewport size, as well as the\n    // actual size of the tooltip, if positioned above. The tooltip must about\n    // to be rendered for this to be correct, which is why we do it here.\n    const origin$ = show$.pipe(\n      filter(active => active),\n      withLatestFrom(node$, viewport$),\n      map(([_, node, { size }]) => {\n        const host = el.getBoundingClientRect()\n        const x = host.width / 2\n\n        // If the tooltip is non-interactive, we always render it below the\n        // actual element because all operating systems do it that way\n        if (node.role === \"tooltip\") {\n          return { x, y: 8 + host.height }\n\n        // Otherwise, we determine where there is more space, and render the\n        // tooltip either above or below the host element\n        } else if (host.y >= size.height / 2) {\n          const { height } = getElementSize(node)\n          return { x, y: -16 - height }\n        } else {\n          return { x, y: +16 + host.height }\n        }\n      })\n    )\n\n    // Update tooltip position - we always need to update the position of the\n    // tooltip, as it might change depending on the viewport offset of the host\n    combineLatest([node$, push$, origin$])\n      .subscribe(([node, { offset }, origin]) => {\n        node.style.setProperty(\"--md-tooltip-host-x\", `${offset.x}px`)\n        node.style.setProperty(\"--md-tooltip-host-y\", `${offset.y}px`)\n\n        // Update tooltip origin - this is mainly set to determine the position\n        // of the tooltip tail, to show the direction it is originating from\n        node.style.setProperty(\"--md-tooltip-x\", `${origin.x}px`)\n        node.style.setProperty(\"--md-tooltip-y\", `${origin.y}px`)\n\n        // Update tooltip render location, i.e., whether the tooltip is shown\n        // above or below the host element, depending on the available space\n        node.classList.toggle(\"md-tooltip2--top\",    origin.y <  0)\n        node.classList.toggle(\"md-tooltip2--bottom\", origin.y >= 0)\n      })\n\n    // Update tooltip width - we only explicitly set the width of the tooltip\n    // if it is non-interactive, in case it should always be rendered centered\n    show$.pipe(\n      filter(active => active),\n      withLatestFrom(node$, (_, node) => node),\n      filter(node => node.role === \"tooltip\")\n    )\n      .subscribe(node => {\n        const size = getElementSize(getElement(\":scope > *\", node))\n\n        // Set tooltip width and remove tail by setting it to a width of zero -\n        // if authors want to keep the tail, we can move this to CSS later\n        node.style.setProperty(\"--md-tooltip-width\", `${size.width}px`)\n        node.style.setProperty(\"--md-tooltip-tail\",  `${0}px`)\n      })\n\n    // Update tooltip visibility - we defer to the next animation frame, because\n    // the tooltip must first be added to the document before we make it appear,\n    // or it will appear instantly without delay. Additionally, we need to keep\n    // the tooltip visible for a short time after the pointer left the host.\n    show$.pipe(\n      distinctUntilChanged(),\n      observeOn(animationFrameScheduler),\n      withLatestFrom(node$)\n    )\n      .subscribe(([active, node]) => {\n        node.classList.toggle(\"md-tooltip2--active\", active)\n      })\n\n    // Set up ARIA attributes when tooltip is visible\n    combineLatest([\n      show$.pipe(filter(active => active)),\n      node$\n    ])\n      .subscribe(([_, node]) => {\n        if (node.role === \"dialog\") {\n          el.setAttribute(\"aria-controls\", id)\n          el.setAttribute(\"aria-haspopup\", \"dialog\")\n        } else {\n          el.setAttribute(\"aria-describedby\", id)\n        }\n      })\n\n    // Remove ARIA attributes when tooltip is hidden\n    show$.pipe(filter(active => !active))\n      .subscribe(() => {\n        el.removeAttribute(\"aria-controls\")\n        el.removeAttribute(\"aria-describedby\")\n        el.removeAttribute(\"aria-haspopup\")\n      })\n\n    // Create and return component\n    return watchTooltip2(el)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n\n// ----------------------------------------------------------------------------\n\n/**\n * Mount inline tooltip\n *\n * @todo refactor this function\n *\n * @param el - Tooltip host element\n * @param dependencies - Dependencies\n * @param container - Container\n *\n * @returns Tooltip component observable\n */\nexport function mountInlineTooltip2(\n  el: HTMLElement, { viewport$ }: { viewport$: Observable<Viewport> },\n  container = document.body\n): Observable<Component<Tooltip>> {\n  return mountTooltip2(el, {\n    content$: new Observable<HTMLElement>(observer => {\n      const title = el.title\n      const node = renderInlineTooltip2(title)\n      observer.next(node)\n      el.removeAttribute(\"title\")\n      // Append tooltip and remove on unsubscription\n      container.append(node)\n      return () => {\n        node.remove()\n        el.setAttribute(\"title\", title)\n      }\n    }),\n    viewport$\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  auditTime,\n  combineLatest,\n  debounceTime,\n  defer,\n  delay,\n  endWith,\n  filter,\n  finalize,\n  fromEvent,\n  ignoreElements,\n  map,\n  merge,\n  switchMap,\n  take,\n  takeUntil,\n  tap,\n  throttleTime,\n  withLatestFrom\n} from \"rxjs\"\n\nimport {\n  ElementOffset,\n  getActiveElement,\n  getElementSize,\n  watchElementContentOffset,\n  watchElementFocus,\n  watchElementOffset,\n  watchElementVisibility\n} from \"~/browser\"\n\nimport { Component } from \"../../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Annotation\n */\nexport interface Annotation {\n  active: boolean                      /* Annotation is active */\n  offset: ElementOffset                /* Annotation offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch annotation\n *\n * @param el - Annotation element\n * @param container - Containing element\n *\n * @returns Annotation observable\n */\nexport function watchAnnotation(\n  el: HTMLElement, container: HTMLElement\n): Observable<Annotation> {\n  const offset$ = defer(() => combineLatest([\n    watchElementOffset(el),\n    watchElementContentOffset(container)\n  ]))\n    .pipe(\n      map(([{ x, y }, scroll]): ElementOffset => {\n        const { width, height } = getElementSize(el)\n        return ({\n          x: x - scroll.x + width  / 2,\n          y: y - scroll.y + height / 2\n        })\n      })\n    )\n\n  /* Actively watch annotation on focus */\n  return watchElementFocus(el)\n    .pipe(\n      switchMap(active => offset$\n        .pipe(\n          map(offset => ({ active, offset })),\n          take(+!active || Infinity)\n        )\n      )\n    )\n}\n\n/**\n * Mount annotation\n *\n * @param el - Annotation element\n * @param container - Containing element\n * @param options - Options\n *\n * @returns Annotation component observable\n */\nexport function mountAnnotation(\n  el: HTMLElement, container: HTMLElement, { target$ }: MountOptions\n): Observable<Component<Annotation>> {\n  const [tooltip, index] = Array.from(el.children)\n\n  /* Mount component on subscription */\n  return defer(() => {\n    const push$ = new Subject<Annotation>()\n    const done$ = push$.pipe(ignoreElements(), endWith(true))\n    push$.subscribe({\n\n      /* Handle emission */\n      next({ offset }) {\n        el.style.setProperty(\"--md-tooltip-x\", `${offset.x}px`)\n        el.style.setProperty(\"--md-tooltip-y\", `${offset.y}px`)\n      },\n\n      /* Handle complete */\n      complete() {\n        el.style.removeProperty(\"--md-tooltip-x\")\n        el.style.removeProperty(\"--md-tooltip-y\")\n      }\n    })\n\n    /* Start animation only when annotation is visible */\n    watchElementVisibility(el)\n      .pipe(\n        takeUntil(done$)\n      )\n        .subscribe(visible => {\n          el.toggleAttribute(\"data-md-visible\", visible)\n        })\n\n    /* Toggle tooltip presence to mitigate empty lines when copying */\n    merge(\n      push$.pipe(filter(({ active }) => active)),\n      push$.pipe(debounceTime(250), filter(({ active }) => !active))\n    )\n      .subscribe({\n\n        /* Handle emission */\n        next({ active }) {\n          if (active)\n            el.prepend(tooltip)\n          else\n            tooltip.remove()\n        },\n\n        /* Handle complete */\n        complete() {\n          el.prepend(tooltip)\n        }\n      })\n\n    /* Toggle tooltip visibility */\n    push$\n      .pipe(\n        auditTime(16, animationFrameScheduler)\n      )\n        .subscribe(({ active }) => {\n          tooltip.classList.toggle(\"md-tooltip--active\", active)\n        })\n\n    /* Track relative origin of tooltip */\n    push$\n      .pipe(\n        throttleTime(125, animationFrameScheduler),\n        filter(() => !!el.offsetParent),\n        map(() => el.offsetParent!.getBoundingClientRect()),\n        map(({ x }) => x)\n      )\n        .subscribe({\n\n          /* Handle emission */\n          next(origin) {\n            if (origin)\n              el.style.setProperty(\"--md-tooltip-0\", `${-origin}px`)\n            else\n              el.style.removeProperty(\"--md-tooltip-0\")\n          },\n\n          /* Handle complete */\n          complete() {\n            el.style.removeProperty(\"--md-tooltip-0\")\n          }\n        })\n\n    /* Allow to copy link without scrolling to anchor */\n    fromEvent<MouseEvent>(index, \"click\")\n      .pipe(\n        takeUntil(done$),\n        filter(ev => !(ev.metaKey || ev.ctrlKey))\n      )\n        .subscribe(ev => {\n          ev.stopPropagation()\n          ev.preventDefault()\n        })\n\n    /* Allow to open link in new tab or blur on close */\n    fromEvent<MouseEvent>(index, \"mousedown\")\n      .pipe(\n        takeUntil(done$),\n        withLatestFrom(push$)\n      )\n        .subscribe(([ev, { active }]) => {\n\n          /* Open in new tab */\n          if (ev.button !== 0 || ev.metaKey || ev.ctrlKey) {\n            ev.preventDefault()\n\n          /* Close annotation */\n          } else if (active) {\n            ev.preventDefault()\n\n            /* Focus parent annotation, if any */\n            const parent = el.parentElement!.closest(\".md-annotation\")\n            if (parent instanceof HTMLElement)\n              parent.focus()\n            else\n              getActiveElement()?.blur()\n          }\n        })\n\n    /* Open and focus annotation on location target */\n    target$\n      .pipe(\n        takeUntil(done$),\n        filter(target => target === tooltip),\n        delay(125)\n      )\n        .subscribe(() => el.focus())\n\n    /* Create and return component */\n    return watchAnnotation(el, container)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  defer,\n  endWith,\n  finalize,\n  ignoreElements,\n  merge,\n  share,\n  takeUntil\n} from \"rxjs\"\n\nimport {\n  getElement,\n  getElements,\n  getOptionalElement\n} from \"~/browser\"\nimport { renderAnnotation } from \"~/templates\"\n\nimport { Component } from \"../../../_\"\nimport {\n  Annotation,\n  mountAnnotation\n} from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<boolean>          /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Find all annotation hosts in the containing element\n *\n * @param container - Containing element\n *\n * @returns Annotation hosts\n */\nfunction findHosts(container: HTMLElement): HTMLElement[] {\n  return container.tagName === \"CODE\"\n    ? getElements(\".c, .c1, .cm\", container)\n    : [container]\n}\n\n/**\n * Find all annotation markers in the containing element\n *\n * @param container - Containing element\n *\n * @returns Annotation markers\n */\nfunction findMarkers(container: HTMLElement): Text[] {\n  const markers: Text[] = []\n  for (const el of findHosts(container)) {\n    const nodes: Text[] = []\n\n    /* Find all text nodes in current element */\n    const it = document.createNodeIterator(el, NodeFilter.SHOW_TEXT)\n    for (let node = it.nextNode(); node; node = it.nextNode())\n      nodes.push(node as Text)\n\n    /* Find all markers in each text node */\n    for (let text of nodes) {\n      let match: RegExpExecArray | null\n\n      /* Split text at marker and add to list */\n      while ((match = /(\\(\\d+\\))(!)?/.exec(text.textContent!))) {\n        const [, id, force] = match\n        if (typeof force === \"undefined\") {\n          const marker = text.splitText(match.index)\n          text = marker.splitText(id.length)\n          markers.push(marker)\n\n        /* Replace entire text with marker */\n        } else {\n          text.textContent = id\n          markers.push(text)\n          break\n        }\n      }\n    }\n  }\n  return markers\n}\n\n/**\n * Swap the child nodes of two elements\n *\n * @param source - Source element\n * @param target - Target element\n */\nfunction swap(source: HTMLElement, target: HTMLElement): void {\n  target.append(...Array.from(source.childNodes))\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount annotation list\n *\n * This function analyzes the containing code block and checks for markers\n * referring to elements in the given annotation list. If no markers are found,\n * the list is left untouched. Otherwise, list elements are rendered as\n * annotations inside the code block.\n *\n * @param el - Annotation list element\n * @param container - Containing element\n * @param options - Options\n *\n * @returns Annotation component observable\n */\nexport function mountAnnotationList(\n  el: HTMLElement, container: HTMLElement, { target$, print$ }: MountOptions\n): Observable<Component<Annotation>> {\n\n  /* Compute prefix for tooltip anchors */\n  const parent = container.closest(\"[id]\")\n  const prefix = parent?.id\n\n  /* Find and replace all markers with empty annotations */\n  const annotations = new Map<string, HTMLElement>()\n  for (const marker of findMarkers(container)) {\n    const [, id] = marker.textContent!.match(/\\((\\d+)\\)/)!\n    if (getOptionalElement(`:scope > li:nth-child(${id})`, el)) {\n      annotations.set(id, renderAnnotation(id, prefix))\n      marker.replaceWith(annotations.get(id)!)\n    }\n  }\n\n  /* Keep list if there are no annotations to render */\n  if (annotations.size === 0)\n    return EMPTY\n\n  /* Mount component on subscription */\n  return defer(() => {\n    const push$ = new Subject()\n    const done$ = push$.pipe(ignoreElements(), endWith(true))\n\n    /* Retrieve container pairs for swapping */\n    const pairs: [HTMLElement, HTMLElement][] = []\n    for (const [id, annotation] of annotations)\n      pairs.push([\n        getElement(\".md-typeset\", annotation),\n        getElement(`:scope > li:nth-child(${id})`, el)\n      ])\n\n    /* Handle print mode - see https://bit.ly/3rgPdpt */\n    print$.pipe(takeUntil(done$))\n      .subscribe(active => {\n        el.hidden = !active\n\n        /* Add class to discern list element */\n        el.classList.toggle(\"md-annotation-list\", active)\n\n        /* Show annotations in code block or list (print) */\n        for (const [inner, child] of pairs)\n          if (!active)\n            swap(child, inner)\n          else\n            swap(inner, child)\n      })\n\n    /* Create and return component */\n    return merge(...[...annotations]\n      .map(([, annotation]) => (\n        mountAnnotation(annotation, container, { target$ })\n      ))\n    )\n      .pipe(\n        finalize(() => push$.complete()),\n        share()\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { EMPTY, Observable, defer } from \"rxjs\"\n\nimport { Component } from \"../../../_\"\nimport { Annotation } from \"../_\"\nimport { mountAnnotationList } from \"../list\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<boolean>          /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Find list element directly following a block\n *\n * @param el - Annotation block element\n *\n * @returns List element or nothing\n */\nfunction findList(el: HTMLElement): HTMLElement | undefined {\n  if (el.nextElementSibling) {\n    const sibling = el.nextElementSibling as HTMLElement\n    if (sibling.tagName === \"OL\")\n      return sibling\n\n    /* Skip empty paragraphs - see https://bit.ly/3r4ZJ2O */\n    else if (sibling.tagName === \"P\" && !sibling.children.length)\n      return findList(sibling)\n  }\n\n  /* Everything else */\n  return undefined\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount annotation block\n *\n * @param el - Annotation block element\n * @param options - Options\n *\n * @returns Annotation component observable\n */\nexport function mountAnnotationBlock(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<Annotation>> {\n  return defer(() => {\n    const list = findList(el)\n    return typeof list !== \"undefined\"\n      ? mountAnnotationList(list, el, options)\n      : EMPTY\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  defer,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  filter,\n  finalize,\n  map,\n  mergeWith,\n  switchMap,\n  take,\n  takeLast,\n  takeUntil,\n  tap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  getElementContentSize,\n  getElements,\n  watchElementSize,\n  watchElementVisibility\n} from \"~/browser\"\nimport {\n  Tooltip,\n  mountInlineTooltip2\n} from \"~/components/tooltip2\"\nimport { renderClipboardButton } from \"~/templates\"\n\nimport { Component } from \"../../../_\"\nimport {\n  Annotation,\n  mountAnnotationList\n} from \"../../annotation\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Code block overflow\n */\nexport interface Overflow {\n  scrollable: boolean                  /* Code block overflows */\n}\n\n/**\n * Code block\n */\nexport type CodeBlock =\n  | Overflow\n  | Annotation\n  | Tooltip\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<boolean>          /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Global sequence number for code blocks\n */\nlet sequence = 0\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Find candidate list element directly following a code block\n *\n * @param el - Code block element\n *\n * @returns List element or nothing\n */\nfunction findCandidateList(el: HTMLElement): HTMLElement | undefined {\n  if (el.nextElementSibling) {\n    const sibling = el.nextElementSibling as HTMLElement\n    if (sibling.tagName === \"OL\")\n      return sibling\n\n    /* Skip empty paragraphs - see https://bit.ly/3r4ZJ2O */\n    else if (sibling.tagName === \"P\" && !sibling.children.length)\n      return findCandidateList(sibling)\n  }\n\n  /* Everything else */\n  return undefined\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch code block\n *\n * This function monitors size changes of the viewport, as well as switches of\n * content tabs with embedded code blocks, as both may trigger overflow.\n *\n * @param el - Code block element\n *\n * @returns Code block observable\n */\nexport function watchCodeBlock(\n  el: HTMLElement\n): Observable<Overflow> {\n  return watchElementSize(el)\n    .pipe(\n      map(({ width }) => {\n        const content = getElementContentSize(el)\n        return {\n          scrollable: content.width > width\n        }\n      }),\n      distinctUntilKeyChanged(\"scrollable\")\n    )\n}\n\n/**\n * Mount code block\n *\n * This function ensures that an overflowing code block is focusable through\n * keyboard, so it can be scrolled without a mouse to improve on accessibility.\n * Furthermore, if code annotations are enabled, they are mounted if and only\n * if the code block is currently visible, e.g., not in a hidden content tab.\n *\n * Note that code blocks may be mounted eagerly or lazily. If they're mounted\n * lazily (on first visibility), code annotation anchor links will not work,\n * as they are evaluated on initial page load, and code annotations in general\n * might feel a little bumpier.\n *\n * @param el - Code block element\n * @param options - Options\n *\n * @returns Code block and annotation component observable\n */\nexport function mountCodeBlock(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<CodeBlock>> {\n  const { matches: hover } = matchMedia(\"(hover)\")\n\n  /* Defer mounting of code block - see https://bit.ly/3vHVoVD */\n  const factory$ = defer(() => {\n    const push$ = new Subject<Overflow>()\n    const done$ = push$.pipe(takeLast(1))\n    push$.subscribe(({ scrollable }) => {\n      if (scrollable && hover)\n        el.setAttribute(\"tabindex\", \"0\")\n      else\n        el.removeAttribute(\"tabindex\")\n    })\n\n    /* Render button for Clipboard.js integration */\n    const content$: Array<Observable<Component<CodeBlock>>> = []\n    if (ClipboardJS.isSupported()) {\n      if (el.closest(\".copy\") || (\n        feature(\"content.code.copy\") && !el.closest(\".no-copy\")\n      )) {\n        const parent = el.closest(\"pre\")!\n        parent.id = `__code_${sequence++}`\n\n        /* Mount tooltip, if enabled */\n        const button = renderClipboardButton(parent.id)\n        parent.insertBefore(button, el)\n        if (feature(\"content.tooltips\"))\n          content$.push(mountInlineTooltip2(button, { viewport$ }))\n      }\n    }\n\n    /* Handle code annotations */\n    const container = el.closest(\".highlight\")\n    if (container instanceof HTMLElement) {\n      const list = findCandidateList(container)\n\n      /* Mount code annotations, if enabled */\n      if (typeof list !== \"undefined\" && (\n        container.classList.contains(\"annotate\") ||\n        feature(\"content.code.annotate\")\n      )) {\n        const annotations$ = mountAnnotationList(list, el, options)\n        content$.push(\n          watchElementSize(container)\n            .pipe(\n              takeUntil(done$),\n              map(({ width, height }) => width && height),\n              distinctUntilChanged(),\n              switchMap(active => active ? annotations$ : EMPTY)\n            )\n        )\n      }\n    }\n\n    // If the code block has line spans, we can add this additional class to\n    // the code block element, which fixes the problem for highlighted code\n    // lines not stretching to the entirety of the screen when the code block\n    // overflows, e.g., on mobile - see\n    const spans = getElements(\":scope > span[id]\", el)\n    if (spans.length)\n      el.classList.add(\"md-code__content\")\n\n    /* Create and return component */\n    return watchCodeBlock(el)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state })),\n        mergeWith(...content$)\n      )\n  })\n\n  /* Mount code block lazily */\n  if (feature(\"content.lazy\"))\n    return watchElementVisibility(el)\n      .pipe(\n        filter(visible => visible),\n        take(1),\n        switchMap(() => factory$)\n      )\n\n  /* Mount code block */\n  return factory$\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  defer,\n  filter,\n  finalize,\n  map,\n  merge,\n  tap\n} from \"rxjs\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Details\n */\nexport interface Details {\n  action: \"open\" | \"close\"             /* Details state */\n  reveal?: boolean                     /* Details is revealed */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<boolean>          /* Media print observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<boolean>          /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch details\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details observable\n */\nexport function watchDetails(\n  el: HTMLDetailsElement, { target$, print$ }: WatchOptions\n): Observable<Details> {\n  let open = true\n  return merge(\n\n    /* Open and focus details on location target */\n    target$\n      .pipe(\n        map(target => target.closest(\"details:not([open])\")!),\n        filter(details => el === details),\n        map(() => ({\n          action: \"open\", reveal: true\n        }) as Details)\n      ),\n\n    /* Open details on print and close afterwards */\n    print$\n      .pipe(\n        filter(active => active || !open),\n        tap(() => open = el.open),\n        map(active => ({\n          action: active ? \"open\" : \"close\"\n        }) as Details)\n      )\n  )\n}\n\n/**\n * Mount details\n *\n * This function ensures that `details` tags are opened on anchor jumps and\n * prior to printing, so the whole content of the page is visible.\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details component observable\n */\nexport function mountDetails(\n  el: HTMLDetailsElement, options: MountOptions\n): Observable<Component<Details>> {\n  return defer(() => {\n    const push$ = new Subject<Details>()\n    push$.subscribe(({ action, reveal }) => {\n      el.toggleAttribute(\"open\", action === \"open\")\n      if (reveal)\n        el.scrollIntoView()\n    })\n\n    /* Create and return component */\n    return watchDetails(el, options)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", ".node circle,.node ellipse,.node path,.node polygon,.node rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}marker{fill:var(--md-mermaid-edge-color)!important}.edgeLabel .label rect{fill:#0000}.flowchartTitleText{fill:var(--md-mermaid-label-fg-color)}.label{color:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.label foreignObject{line-height:normal;overflow:visible}.label div .edgeLabel{color:var(--md-mermaid-label-fg-color)}.edgeLabel,.edgeLabel p,.label div .edgeLabel{background-color:var(--md-mermaid-label-bg-color)}.edgeLabel,.edgeLabel p{fill:var(--md-mermaid-label-bg-color);color:var(--md-mermaid-edge-color)}.edgePath .path,.flowchart-link{stroke:var(--md-mermaid-edge-color)}.edgePath .arrowheadPath{fill:var(--md-mermaid-edge-color);stroke:none}.cluster rect{fill:var(--md-default-fg-color--lightest);stroke:var(--md-default-fg-color--lighter)}.cluster span{color:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}g #flowchart-circleEnd,g #flowchart-circleStart,g #flowchart-crossEnd,g #flowchart-crossStart,g #flowchart-pointEnd,g #flowchart-pointStart{stroke:none}.classDiagramTitleText{fill:var(--md-mermaid-label-fg-color)}g.classGroup line,g.classGroup rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}g.classGroup text{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.classLabel .box{fill:var(--md-mermaid-label-bg-color);background-color:var(--md-mermaid-label-bg-color);opacity:1}.classLabel .label{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.node .divider{stroke:var(--md-mermaid-node-fg-color)}.relation{stroke:var(--md-mermaid-edge-color)}.cardinality{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.cardinality text{fill:inherit!important}defs marker.marker.composition.class path,defs marker.marker.dependency.class path,defs marker.marker.extension.class path{fill:var(--md-mermaid-edge-color)!important;stroke:var(--md-mermaid-edge-color)!important}defs marker.marker.aggregation.class path{fill:var(--md-mermaid-label-bg-color)!important;stroke:var(--md-mermaid-edge-color)!important}.statediagramTitleText{fill:var(--md-mermaid-label-fg-color)}g.stateGroup rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}g.stateGroup .state-title{fill:var(--md-mermaid-label-fg-color)!important;font-family:var(--md-mermaid-font-family)}g.stateGroup .composit{fill:var(--md-mermaid-label-bg-color)}.nodeLabel,.nodeLabel p{color:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}a .nodeLabel{text-decoration:underline}.node circle.state-end,.node circle.state-start,.start-state{fill:var(--md-mermaid-edge-color);stroke:none}.end-state-inner,.end-state-outer{fill:var(--md-mermaid-edge-color)}.end-state-inner,.node circle.state-end{stroke:var(--md-mermaid-label-bg-color)}.transition{stroke:var(--md-mermaid-edge-color)}[id^=state-fork] rect,[id^=state-join] rect{fill:var(--md-mermaid-edge-color)!important;stroke:none!important}.statediagram-cluster.statediagram-cluster .inner{fill:var(--md-default-bg-color)}.statediagram-cluster rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}.statediagram-state rect.divider{fill:var(--md-default-fg-color--lightest);stroke:var(--md-default-fg-color--lighter)}defs #statediagram-barbEnd{stroke:var(--md-mermaid-edge-color)}[id^=entity] path,[id^=entity] rect{fill:var(--md-default-bg-color)}.relationshipLine{stroke:var(--md-mermaid-edge-color)}defs .marker.oneOrMore.er *,defs .marker.onlyOne.er *,defs .marker.zeroOrMore.er *,defs .marker.zeroOrOne.er *{stroke:var(--md-mermaid-edge-color)!important}text:not([class]):last-child{fill:var(--md-mermaid-label-fg-color)}.actor{fill:var(--md-mermaid-sequence-actor-bg-color);stroke:var(--md-mermaid-sequence-actor-border-color)}text.actor>tspan{fill:var(--md-mermaid-sequence-actor-fg-color);font-family:var(--md-mermaid-font-family)}line{stroke:var(--md-mermaid-sequence-actor-line-color)}.actor-man circle,.actor-man line{fill:var(--md-mermaid-sequence-actorman-bg-color);stroke:var(--md-mermaid-sequence-actorman-line-color)}.messageLine0,.messageLine1{stroke:var(--md-mermaid-sequence-message-line-color)}.note{fill:var(--md-mermaid-sequence-note-bg-color);stroke:var(--md-mermaid-sequence-note-border-color)}.loopText,.loopText>tspan,.messageText,.noteText>tspan{stroke:none;font-family:var(--md-mermaid-font-family)!important}.messageText{fill:var(--md-mermaid-sequence-message-fg-color)}.loopText,.loopText>tspan{fill:var(--md-mermaid-sequence-loop-fg-color)}.noteText>tspan{fill:var(--md-mermaid-sequence-note-fg-color)}#arrowhead path{fill:var(--md-mermaid-sequence-message-line-color);stroke:none}.loopLine{fill:var(--md-mermaid-sequence-loop-bg-color);stroke:var(--md-mermaid-sequence-loop-border-color)}.labelBox{fill:var(--md-mermaid-sequence-label-bg-color);stroke:none}.labelText,.labelText>span{fill:var(--md-mermaid-sequence-label-fg-color);font-family:var(--md-mermaid-font-family)}.sequenceNumber{fill:var(--md-mermaid-sequence-number-fg-color)}rect.rect{fill:var(--md-mermaid-sequence-box-bg-color);stroke:none}rect.rect+text.text{fill:var(--md-mermaid-sequence-box-fg-color)}defs #sequencenumber{fill:var(--md-mermaid-sequence-number-bg-color)!important}", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  map,\n  of,\n  shareReplay,\n  tap\n} from \"rxjs\"\n\nimport { watchScript } from \"~/browser\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\nimport themeCSS from \"./index.css\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mermaid diagram\n */\nexport interface Mermaid {}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Mermaid instance observable\n */\nlet mermaid$: Observable<void>\n\n/**\n * Global sequence number for diagrams\n */\nlet sequence = 0\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch Mermaid script\n *\n * @returns Mermaid scripts observable\n */\nfunction fetchScripts(): Observable<void> {\n  return typeof mermaid === \"undefined\" || mermaid instanceof Element\n    ? watchScript(\"https://unpkg.com/mermaid@11/dist/mermaid.min.js\")\n    : of(undefined)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount Mermaid diagram\n *\n * @param el - Code block element\n *\n * @returns Mermaid diagram component observable\n */\nexport function mountMermaid(\n  el: HTMLElement\n): Observable<Component<Mermaid>> {\n  el.classList.remove(\"mermaid\") // Hack: mitigate https://bit.ly/3CiN6Du\n  mermaid$ ||= fetchScripts()\n    .pipe(\n      tap(() => mermaid.initialize({\n        startOnLoad: false,\n        themeCSS,\n        sequence: {\n          actorFontSize: \"16px\", // Hack: mitigate https://bit.ly/3y0NEi3\n          messageFontSize: \"16px\",\n          noteFontSize: \"16px\"\n        }\n      })),\n      map(() => undefined),\n      shareReplay(1)\n    )\n\n  /* Render diagram */\n  mermaid$.subscribe(async () => {\n    el.classList.add(\"mermaid\") // Hack: mitigate https://bit.ly/3CiN6Du\n    const id = `__mermaid_${sequence++}`\n\n    /* Create host element to replace code block */\n    const host = h(\"div\", { class: \"mermaid\" })\n    const text = el.textContent\n\n    /* Render and inject diagram */\n    const { svg, fn } = await mermaid.render(id, text)\n\n    /* Create a shadow root and inject diagram */\n    const shadow = host.attachShadow({ mode: \"closed\" })\n    shadow.innerHTML = svg\n\n    /* Replace code block with diagram and bind functions */\n    el.replaceWith(host)\n    fn?.(shadow)\n  })\n\n  /* Create and return component */\n  return mermaid$\n    .pipe(\n      map(() => ({ ref: el }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, of } from \"rxjs\"\n\nimport { renderTable } from \"~/templates\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Data table\n */\nexport interface DataTable {}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Sentinel for replacement\n */\nconst sentinel = h(\"table\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount data table\n *\n * This function wraps a data table in another scrollable container, so it can\n * be smoothly scrolled on smaller screen sizes and won't break the layout.\n *\n * @param el - Data table element\n *\n * @returns Data table component observable\n */\nexport function mountDataTable(\n  el: HTMLElement\n): Observable<Component<DataTable>> {\n  el.replaceWith(sentinel)\n  sentinel.replaceWith(renderTable(el))\n\n  /* Create and return component */\n  return of({ ref: el })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  asyncScheduler,\n  auditTime,\n  combineLatest,\n  defer,\n  endWith,\n  filter,\n  finalize,\n  fromEvent,\n  ignoreElements,\n  map,\n  merge,\n  skip,\n  startWith,\n  subscribeOn,\n  takeUntil,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  getElement,\n  getElementContentOffset,\n  getElementContentSize,\n  getElementOffset,\n  getElementSize,\n  getElements,\n  watchElementContentOffset,\n  watchElementSize,\n  watchElementVisibility\n} from \"~/browser\"\nimport { renderTabbedControl } from \"~/templates\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Content tabs\n */\nexport interface ContentTabs {\n  active: HTMLLabelElement             /* Active tab label */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  target$: Observable<HTMLElement>     /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch content tabs\n *\n * @param inputs - Content tabs input elements\n *\n * @returns Content tabs observable\n */\nexport function watchContentTabs(\n  inputs: HTMLInputElement[]\n): Observable<ContentTabs> {\n  const initial = inputs.find(input => input.checked) || inputs[0]\n  return merge(...inputs.map(input => fromEvent(input, \"change\")\n    .pipe(\n      map(() => getElement<HTMLLabelElement>(`label[for=\"${input.id}\"]`))\n    )\n  ))\n    .pipe(\n      startWith(getElement<HTMLLabelElement>(`label[for=\"${initial.id}\"]`)),\n      map(active => ({ active }))\n    )\n}\n\n/**\n * Mount content tabs\n *\n * @param el - Content tabs element\n * @param options - Options\n *\n * @returns Content tabs component observable\n */\nexport function mountContentTabs(\n  el: HTMLElement, { viewport$, target$ }: MountOptions\n): Observable<Component<ContentTabs>> {\n  const container = getElement(\".tabbed-labels\", el)\n  const inputs = getElements<HTMLInputElement>(\":scope > input\", el)\n\n  /* Render content tab previous button for pagination */\n  const prev = renderTabbedControl(\"prev\")\n  el.append(prev)\n\n  /* Render content tab next button for pagination */\n  const next = renderTabbedControl(\"next\")\n  el.append(next)\n\n  /* Mount component on subscription */\n  return defer(() => {\n    const push$ = new Subject<ContentTabs>()\n    const done$ = push$.pipe(ignoreElements(), endWith(true))\n    combineLatest([push$, watchElementSize(el), watchElementVisibility(el)])\n      .pipe(\n        takeUntil(done$),\n        auditTime(1, animationFrameScheduler)\n      )\n        .subscribe({\n\n          /* Handle emission */\n          next([{ active }, size]) {\n            const offset = getElementOffset(active)\n            const { width } = getElementSize(active)\n\n            /* Set tab indicator offset and width */\n            el.style.setProperty(\"--md-indicator-x\", `${offset.x}px`)\n            el.style.setProperty(\"--md-indicator-width\", `${width}px`)\n\n            /* Scroll container to active content tab */\n            const content = getElementContentOffset(container)\n            if (\n              offset.x         < content.x              ||\n              offset.x + width > content.x + size.width\n            )\n              container.scrollTo({\n                left: Math.max(0, offset.x - 16),\n                behavior: \"smooth\"\n              })\n          },\n\n          /* Handle complete */\n          complete() {\n            el.style.removeProperty(\"--md-indicator-x\")\n            el.style.removeProperty(\"--md-indicator-width\")\n          }\n        })\n\n    /* Hide content tab buttons on borders */\n    combineLatest([\n      watchElementContentOffset(container),\n      watchElementSize(container)\n    ])\n      .pipe(\n        takeUntil(done$)\n      )\n        .subscribe(([offset, size]) => {\n          const content = getElementContentSize(container)\n          prev.hidden = offset.x < 16\n          next.hidden = offset.x > content.width - size.width - 16\n        })\n\n    /* Paginate content tab container on click */\n    merge(\n      fromEvent(prev, \"click\").pipe(map(() => -1)),\n      fromEvent(next, \"click\").pipe(map(() => +1))\n    )\n      .pipe(\n        takeUntil(done$)\n      )\n        .subscribe(direction => {\n          const { width } = getElementSize(container)\n          container.scrollBy({\n            left: width * direction,\n            behavior: \"smooth\"\n          })\n        })\n\n    /* Switch to content tab target */\n    target$\n      .pipe(\n        takeUntil(done$),\n        filter(input => inputs.includes(input as HTMLInputElement))\n      )\n        .subscribe(input => input.click())\n\n    /* Add link to each content tab label */\n    container.classList.add(\"tabbed-labels--linked\")\n    for (const input of inputs) {\n      const label = getElement<HTMLLabelElement>(`label[for=\"${input.id}\"]`)\n      label.replaceChildren(h(\"a\", {\n        href: `#${label.htmlFor}`,\n        tabIndex: -1\n      }, ...Array.from(label.childNodes)))\n\n      /* Allow to copy link without scrolling to anchor */\n      fromEvent<MouseEvent>(label.firstElementChild!, \"click\")\n        .pipe(\n          takeUntil(done$),\n          filter(ev => !(ev.metaKey || ev.ctrlKey)),\n          tap(ev => {\n            ev.preventDefault()\n            ev.stopPropagation()\n          })\n        )\n          // @todo we might need to remove the anchor link on complete\n          .subscribe(() => {\n            history.replaceState({}, \"\", `#${label.htmlFor}`)\n            label.click()\n          })\n    }\n\n    /* Set up linking of content tabs, if enabled */\n    if (feature(\"content.tabs.link\"))\n      push$.pipe(\n        skip(1),\n        withLatestFrom(viewport$)\n      )\n        .subscribe(([{ active }, { offset }]) => {\n          const tab = active.innerText.trim()\n          if (active.hasAttribute(\"data-md-switching\")) {\n            active.removeAttribute(\"data-md-switching\")\n\n          /* Determine viewport offset of active tab */\n          } else {\n            const y = el.offsetTop - offset.y\n\n            /* Passively activate other tabs */\n            for (const set of getElements(\"[data-tabs]\"))\n              for (const input of getElements<HTMLInputElement>(\n                \":scope > input\", set\n              )) {\n                const label = getElement(`label[for=\"${input.id}\"]`)\n                if (\n                  label !== active &&\n                  label.innerText.trim() === tab\n                ) {\n                  label.setAttribute(\"data-md-switching\", \"\")\n                  input.click()\n                  break\n                }\n              }\n\n            /* Bring active tab into view */\n            window.scrollTo({\n              top: el.offsetTop - y\n            })\n\n            /* Persist active tabs in local storage */\n            const tabs = __md_get<string[]>(\"__tabs\") || []\n            __md_set(\"__tabs\", [...new Set([tab, ...tabs])])\n          }\n        })\n\n    /* Pause media (audio, video) on switch - see https://bit.ly/3Bk6cel */\n    push$.pipe(takeUntil(done$))\n      .subscribe(() => {\n        // If the video or audio is visible, and has autoplay enabled, it will\n        // continue playing. If it's not visible, it is paused in any case\n        for (const media of getElements<HTMLAudioElement>(\"audio, video\", el)) {\n          if (media.offsetWidth && media.autoplay) {\n            media.play().catch(() => {}) // Just ignore errors\n          } else {\n            media.pause()\n          }\n        }\n      })\n\n    /* Create and return component */\n    return watchContentTabs(inputs)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n    .pipe(\n      subscribeOn(asyncScheduler)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, merge } from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport { Viewport, getElements } from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport {\n  Tooltip,\n  mountInlineTooltip2\n} from \"../../tooltip2\"\nimport {\n  Annotation,\n  mountAnnotationBlock\n} from \"../annotation\"\nimport {\n  CodeBlock,\n  mountCodeBlock\n} from \"../code\"\nimport {\n  Details,\n  mountDetails\n} from \"../details\"\nimport {\n  Mermaid,\n  mountMermaid\n} from \"../mermaid\"\nimport {\n  DataTable,\n  mountDataTable\n} from \"../table\"\nimport {\n  ContentTabs,\n  mountContentTabs\n} from \"../tabs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Content\n */\nexport type Content =\n  | Annotation\n  | CodeBlock\n  | ContentTabs\n  | DataTable\n  | Details\n  | Mermaid\n  | Tooltip\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  target$: Observable<HTMLElement>     /* Location target observable */\n  print$: Observable<boolean>          /* Media print observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount content\n *\n * This function mounts all components that are found in the content of the\n * actual article, including code blocks, data tables and details.\n *\n * @param el - Content element\n * @param options - Options\n *\n * @returns Content component observable\n */\nexport function mountContent(\n  el: HTMLElement, { viewport$, target$, print$ }: MountOptions\n): Observable<Component<Content>> {\n  return merge(\n\n    /* Annotations */\n    ...getElements(\".annotate:not(.highlight)\", el)\n      .map(child => mountAnnotationBlock(child, { target$, print$ })),\n\n    /* Code blocks */\n    ...getElements(\"pre:not(.mermaid) > code\", el)\n      .map(child => mountCodeBlock(child, { target$, print$ })),\n\n    /* Mermaid diagrams */\n    ...getElements(\"pre.mermaid\", el)\n      .map(child => mountMermaid(child)),\n\n    /* Data tables */\n    ...getElements(\"table:not([class])\", el)\n      .map(child => mountDataTable(child)),\n\n    /* Details */\n    ...getElements(\"details\", el)\n      .map(child => mountDetails(child, { target$, print$ })),\n\n    /* Content tabs */\n    ...getElements(\"[data-tabs]\", el)\n      .map(child => mountContentTabs(child, { viewport$, target$ })),\n\n    /* Tooltips */\n    ...getElements(\"[title]\", el)\n      .filter(() => feature(\"content.tooltips\"))\n      .map(child => mountInlineTooltip2(child, { viewport$ }))\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  defer,\n  delay,\n  finalize,\n  map,\n  merge,\n  of,\n  switchMap,\n  tap\n} from \"rxjs\"\n\nimport { getElement } from \"~/browser\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Dialog\n */\nexport interface Dialog {\n  message: string                      /* Dialog message */\n  active: boolean                      /* Dialog is active */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  alert$: Subject<string>              /* Alert subject */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  alert$: Subject<string>              /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch dialog\n *\n * @param _el - Dialog element\n * @param options - Options\n *\n * @returns Dialog observable\n */\nexport function watchDialog(\n  _el: HTMLElement, { alert$ }: WatchOptions\n): Observable<Dialog> {\n  return alert$\n    .pipe(\n      switchMap(message => merge(\n        of(true),\n        of(false).pipe(delay(2000))\n      )\n        .pipe(\n          map(active => ({ message, active }))\n        )\n      )\n    )\n}\n\n/**\n * Mount dialog\n *\n * This function reveals the dialog in the right corner when a new alert is\n * emitted through the subject that is passed as part of the options.\n *\n * @param el - Dialog element\n * @param options - Options\n *\n * @returns Dialog component observable\n */\nexport function mountDialog(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<Dialog>> {\n  const inner = getElement(\".md-typeset\", el)\n  return defer(() => {\n    const push$ = new Subject<Dialog>()\n    push$.subscribe(({ message, active }) => {\n      el.classList.toggle(\"md-dialog--active\", active)\n      inner.textContent = message\n    })\n\n    /* Create and return component */\n    return watchDialog(el, options)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  asyncScheduler,\n  auditTime,\n  combineLatest,\n  debounceTime,\n  defer,\n  distinctUntilChanged,\n  filter,\n  finalize,\n  map,\n  merge,\n  of,\n  subscribeOn,\n  tap,\n  throttleTime\n} from \"rxjs\"\n\nimport {\n  ElementOffset,\n  getElement,\n  getElementContainer,\n  getElementOffset,\n  getElementSize,\n  watchElementContentOffset,\n  watchElementFocus,\n  watchElementHover\n} from \"~/browser\"\nimport { renderTooltip } from \"~/templates\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tooltip\n */\nexport interface Tooltip {\n  active: boolean                      /* Tooltip is active */\n  offset: ElementOffset                /* Tooltip offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Global sequence number for tooltips\n */\nlet sequence = 0\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch tooltip\n *\n * This function will append the tooltip temporarily to compute its width,\n * which is necessary for correct centering, and then removing it again.\n *\n * @param el - Tooltip element\n * @param host - Host element\n *\n * @returns Tooltip observable\n */\nexport function watchTooltip(\n  el: HTMLElement, host: HTMLElement\n): Observable<Tooltip> {\n  document.body.append(el)\n\n  /* Compute width and remove tooltip immediately */\n  const { width } = getElementSize(el)\n  el.style.setProperty(\"--md-tooltip-width\", `${width}px`)\n  el.remove()\n\n  /* Retrieve and watch containing element */\n  const container = getElementContainer(host)\n  const scroll$ =\n    typeof container !== \"undefined\"\n      ? watchElementContentOffset(container)\n      : of({ x: 0, y: 0 })\n\n  /* Compute tooltip visibility */\n  const active$ = merge(\n    watchElementFocus(host),\n    watchElementHover(host)\n  )\n    .pipe(\n      distinctUntilChanged()\n    )\n\n  /* Compute tooltip offset */\n  return combineLatest([active$, scroll$])\n    .pipe(\n      map(([active, scroll]) => {\n        let { x, y } = getElementOffset(host)\n        const size = getElementSize(host)\n\n        /**\n         * Experimental: fix handling of tables - see https://bit.ly/3TQEj5O\n         *\n         * If this proves to be a viable fix, we should refactor tooltip\n         * positioning and somehow streamline the current process. This might\n         * also fix positioning for annotations inside tables, which is another\n         * limitation.\n         */\n        const table = host.closest(\"table\")\n        if (table && host.parentElement) {\n          x += table.offsetLeft + host.parentElement.offsetLeft\n          y += table.offsetTop  + host.parentElement.offsetTop\n        }\n        return {\n          active,\n          offset: {\n            x: x - scroll.x + size.width  / 2 - width / 2,\n            y: y - scroll.y + size.height + 8\n          }\n        }\n      })\n    )\n}\n\n/**\n * Mount tooltip\n *\n * @param el - Host element\n *\n * @returns Tooltip component observable\n */\nexport function mountTooltip(\n  el: HTMLElement\n): Observable<Component<Tooltip>> {\n  const title = el.title\n  if (!title.length)\n    return EMPTY\n\n  /* Render tooltip and set title from host element */\n  const id = `__tooltip_${sequence++}`\n  const tooltip = renderTooltip(id, \"inline\")\n  const typeset = getElement(\".md-typeset\", tooltip)\n  typeset.innerHTML = title\n\n  /* Mount component on subscription */\n  return defer(() => {\n    const push$ = new Subject<Tooltip>()\n    push$.subscribe({\n\n      /* Handle emission */\n      next({ offset }) {\n        tooltip.style.setProperty(\"--md-tooltip-x\", `${offset.x}px`)\n        tooltip.style.setProperty(\"--md-tooltip-y\", `${offset.y}px`)\n      },\n\n      /* Handle complete */\n      complete() {\n        tooltip.style.removeProperty(\"--md-tooltip-x\")\n        tooltip.style.removeProperty(\"--md-tooltip-y\")\n      }\n    })\n\n    /* Toggle tooltip presence to mitigate empty lines when copying */\n    merge(\n      push$.pipe(filter(({ active }) => active)),\n      push$.pipe(debounceTime(250), filter(({ active }) => !active))\n    )\n      .subscribe({\n\n        /* Handle emission */\n        next({ active }) {\n          if (active) {\n            el.insertAdjacentElement(\"afterend\", tooltip)\n            el.setAttribute(\"aria-describedby\", id)\n            el.removeAttribute(\"title\")\n          } else {\n            tooltip.remove()\n            el.removeAttribute(\"aria-describedby\")\n            el.setAttribute(\"title\", title)\n          }\n        },\n\n        /* Handle complete */\n        complete() {\n          tooltip.remove()\n          el.removeAttribute(\"aria-describedby\")\n          el.setAttribute(\"title\", title)\n        }\n      })\n\n    /* Toggle tooltip visibility */\n    push$\n      .pipe(\n        auditTime(16, animationFrameScheduler)\n      )\n        .subscribe(({ active }) => {\n          tooltip.classList.toggle(\"md-tooltip--active\", active)\n        })\n\n    // @todo - refactor positioning together with annotations \u2013 there are\n    // several things that overlap and are identical in handling\n\n    /* Track relative origin of tooltip */\n    push$\n      .pipe(\n        throttleTime(125, animationFrameScheduler),\n        filter(() => !!el.offsetParent),\n        map(() => el.offsetParent!.getBoundingClientRect()),\n        map(({ x }) => x)\n      )\n      .subscribe({\n\n        /* Handle emission */\n        next(origin) {\n          if (origin)\n            tooltip.style.setProperty(\"--md-tooltip-0\", `${-origin}px`)\n          else\n            tooltip.style.removeProperty(\"--md-tooltip-0\")\n        },\n\n        /* Handle complete */\n        complete() {\n          tooltip.style.removeProperty(\"--md-tooltip-0\")\n        }\n      })\n\n    /* Create and return component */\n    return watchTooltip(tooltip, el)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n    .pipe(\n      subscribeOn(asyncScheduler)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  bufferCount,\n  combineLatest,\n  combineLatestWith,\n  defer,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  endWith,\n  filter,\n  from,\n  ignoreElements,\n  map,\n  mergeMap,\n  mergeWith,\n  of,\n  shareReplay,\n  startWith,\n  switchMap,\n  takeUntil\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  getElements,\n  watchElementSize,\n  watchToggle\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Main } from \"../../main\"\nimport {\n  Tooltip,\n  mountTooltip\n} from \"../../tooltip\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface Header {\n  height: number                       /* Header visible height */\n  hidden: boolean                      /* Header is hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Compute whether the header is hidden\n *\n * If the user scrolls past a certain threshold, the header can be hidden when\n * scrolling down, and shown when scrolling up.\n *\n * @param options - Options\n *\n * @returns Toggle observable\n */\nfunction isHidden({ viewport$ }: WatchOptions): Observable<boolean> {\n  if (!feature(\"header.autohide\"))\n    return of(false)\n\n  /* Compute direction and turning point */\n  const direction$ = viewport$\n    .pipe(\n      map(({ offset: { y } }) => y),\n      bufferCount(2, 1),\n      map(([a, b]) => [a < b, b] as const),\n      distinctUntilKeyChanged(0)\n    )\n\n  /* Compute whether header should be hidden */\n  const hidden$ = combineLatest([viewport$, direction$])\n    .pipe(\n      filter(([{ offset }, [, y]]) => Math.abs(y - offset.y) > 100),\n      map(([, [direction]]) => direction),\n      distinctUntilChanged()\n    )\n\n  /* Compute threshold for hiding */\n  const search$ = watchToggle(\"search\")\n  return combineLatest([viewport$, search$])\n    .pipe(\n      map(([{ offset }, search]) => offset.y > 400 && !search),\n      distinctUntilChanged(),\n      switchMap(active => active ? hidden$ : of(false)),\n      startWith(false)\n    )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header\n *\n * @param el - Header element\n * @param options - Options\n *\n * @returns Header observable\n */\nexport function watchHeader(\n  el: HTMLElement, options: WatchOptions\n): Observable<Header> {\n  return defer(() => combineLatest([\n    watchElementSize(el),\n    isHidden(options)\n  ]))\n    .pipe(\n      map(([{ height }, hidden]) => ({\n        height,\n        hidden\n      })),\n      distinctUntilChanged((a, b) => (\n        a.height === b.height &&\n        a.hidden === b.hidden\n      )),\n      shareReplay(1)\n    )\n}\n\n/**\n * Mount header\n *\n * This function manages the different states of the header, i.e. whether it's\n * hidden or rendered with a shadow. This depends heavily on the main area.\n *\n * @param el - Header element\n * @param options - Options\n *\n * @returns Header component observable\n */\nexport function mountHeader(\n  el: HTMLElement, { header$, main$ }: MountOptions\n): Observable<Component<Header | Tooltip>> {\n  return defer(() => {\n    const push$ = new Subject<Main>()\n    const done$ = push$.pipe(ignoreElements(), endWith(true))\n    push$\n      .pipe(\n        distinctUntilKeyChanged(\"active\"),\n        combineLatestWith(header$)\n      )\n        .subscribe(([{ active }, { hidden }]) => {\n          el.classList.toggle(\"md-header--shadow\", active && !hidden)\n          el.hidden = hidden\n        })\n\n    /* Mount tooltips, if enabled */\n    const tooltips = from(getElements(\"[title]\", el))\n      .pipe(\n        filter(() => feature(\"content.tooltips\")),\n        mergeMap(child => mountTooltip(child))\n      )\n\n    /* Link to main area */\n    main$.subscribe(push$)\n\n    /* Create and return component */\n    return header$\n      .pipe(\n        takeUntil(done$),\n        map(state => ({ ref: el, ...state })),\n        mergeWith(tooltips.pipe(takeUntil(done$)))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  defer,\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  tap\n} from \"rxjs\"\n\nimport {\n  Viewport,\n  getElementSize,\n  getOptionalElement,\n  watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Header } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface HeaderTitle {\n  active: boolean                      /* Header title is active */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header title\n *\n * @param el - Heading element\n * @param options - Options\n *\n * @returns Header title observable\n */\nexport function watchHeaderTitle(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<HeaderTitle> {\n  return watchViewportAt(el, { viewport$, header$ })\n    .pipe(\n      map(({ offset: { y } }) => {\n        const { height } = getElementSize(el)\n        return {\n          active: height > 0 && y >= height\n        }\n      }),\n      distinctUntilKeyChanged(\"active\")\n    )\n}\n\n/**\n * Mount header title\n *\n * This function swaps the header title from the site title to the title of the\n * current page when the user scrolls past the first headline.\n *\n * @param el - Header title element\n * @param options - Options\n *\n * @returns Header title component observable\n */\nexport function mountHeaderTitle(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<HeaderTitle>> {\n  return defer(() => {\n    const push$ = new Subject<HeaderTitle>()\n    push$.subscribe({\n\n      /* Handle emission */\n      next({ active }) {\n        el.classList.toggle(\"md-header__title--active\", active)\n      },\n\n      /* Handle complete */\n      complete() {\n        el.classList.remove(\"md-header__title--active\")\n      }\n    })\n\n    /* Obtain headline, if any */\n    const heading = getOptionalElement(\".md-content h1\")\n    if (typeof heading === \"undefined\")\n      return EMPTY\n\n    /* Create and return component */\n    return watchHeaderTitle(heading, options)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  combineLatest,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  map,\n  switchMap\n} from \"rxjs\"\n\nimport {\n  Viewport,\n  watchElementSize\n} from \"~/browser\"\n\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Main area\n */\nexport interface Main {\n  offset: number                       /* Main area top offset */\n  height: number                       /* Main area visible height */\n  active: boolean                      /* Main area is active */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch main area\n *\n * This function returns an observable that computes the visual parameters of\n * the main area which depends on the viewport vertical offset and height, as\n * well as the height of the header element, if the header is fixed.\n *\n * @param el - Main area element\n * @param options - Options\n *\n * @returns Main area observable\n */\nexport function watchMain(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<Main> {\n\n  /* Compute necessary adjustment for header */\n  const adjust$ = header$\n    .pipe(\n      map(({ height }) => height),\n      distinctUntilChanged()\n    )\n\n  /* Compute the main area's top and bottom borders */\n  const border$ = adjust$\n    .pipe(\n      switchMap(() => watchElementSize(el)\n        .pipe(\n          map(({ height }) => ({\n            top:    el.offsetTop,\n            bottom: el.offsetTop + height\n          })),\n          distinctUntilKeyChanged(\"bottom\")\n        )\n      )\n    )\n\n  /* Compute the main area's offset, visible height and if we scrolled past */\n  return combineLatest([adjust$, border$, viewport$])\n    .pipe(\n      map(([header, { top, bottom }, { offset: { y }, size: { height } }]) => {\n        height = Math.max(0, height\n          - Math.max(0, top    - y,  header)\n          - Math.max(0, height + y - bottom)\n        )\n        return {\n          offset: top - header,\n          height,\n          active: top - header <= y\n        }\n      }),\n      distinctUntilChanged((a, b) => (\n        a.offset === b.offset &&\n        a.height === b.height &&\n        a.active === b.active\n      ))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  asyncScheduler,\n  defer,\n  filter,\n  finalize,\n  fromEvent,\n  map,\n  mergeMap,\n  observeOn,\n  of,\n  repeat,\n  shareReplay,\n  skip,\n  startWith,\n  takeUntil,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { getElements, watchMedia } from \"~/browser\"\nimport { h } from \"~/utilities\"\n\nimport {\n  Component,\n  getComponentElement\n} from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Palette colors\n */\nexport interface PaletteColor {\n  media?: string                       /* Media query */\n  scheme?: string                      /* Color scheme */\n  primary?: string                     /* Primary color */\n  accent?: string                      /* Accent color */\n}\n\n/**\n * Palette\n */\nexport interface Palette {\n  index: number                        /* Palette index */\n  color: PaletteColor                  /* Palette colors */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch color palette\n *\n * @param inputs - Color palette element\n *\n * @returns Color palette observable\n */\nexport function watchPalette(\n  inputs: HTMLInputElement[]\n): Observable<Palette> {\n  const current = __md_get<Palette>(\"__palette\") || {\n    index: inputs.findIndex(input => matchMedia(\n      input.getAttribute(\"data-md-color-media\")!\n    ).matches)\n  }\n\n  /* Emit changes in color palette */\n  const index = Math.max(0, Math.min(current.index, inputs.length - 1))\n  return of(...inputs)\n    .pipe(\n      mergeMap(input => fromEvent(input, \"change\").pipe(map(() => input))),\n      startWith(inputs[index]),\n      map(input => ({\n        index: inputs.indexOf(input),\n        color: {\n          media:   input.getAttribute(\"data-md-color-media\"),\n          scheme:  input.getAttribute(\"data-md-color-scheme\"),\n          primary: input.getAttribute(\"data-md-color-primary\"),\n          accent:  input.getAttribute(\"data-md-color-accent\")\n        }\n      } as Palette)),\n      shareReplay(1)\n    )\n}\n\n/**\n * Mount color palette\n *\n * @param el - Color palette element\n *\n * @returns Color palette component observable\n */\nexport function mountPalette(\n  el: HTMLElement\n): Observable<Component<Palette>> {\n  const inputs = getElements<HTMLInputElement>(\"input\", el)\n  const meta = h(\"meta\", { name: \"theme-color\" })\n  document.head.appendChild(meta)\n\n  // Add color scheme meta tag\n  const scheme = h(\"meta\", { name: \"color-scheme\" })\n  document.head.appendChild(scheme)\n\n  /* Mount component on subscription */\n  const media$ = watchMedia(\"(prefers-color-scheme: light)\")\n  return defer(() => {\n    const push$ = new Subject<Palette>()\n    push$.subscribe(palette => {\n      document.body.setAttribute(\"data-md-color-switching\", \"\")\n\n      /* Retrieve color palette for system preference */\n      if (palette.color.media === \"(prefers-color-scheme)\") {\n        const media = matchMedia(\"(prefers-color-scheme: light)\")\n        const input = document.querySelector(media.matches\n          ? \"[data-md-color-media='(prefers-color-scheme: light)']\"\n          : \"[data-md-color-media='(prefers-color-scheme: dark)']\"\n        )!\n\n        /* Retrieve colors for system preference */\n        palette.color.scheme  = input.getAttribute(\"data-md-color-scheme\")!\n        palette.color.primary = input.getAttribute(\"data-md-color-primary\")!\n        palette.color.accent  = input.getAttribute(\"data-md-color-accent\")!\n      }\n\n      /* Set color palette */\n      for (const [key, value] of Object.entries(palette.color))\n        document.body.setAttribute(`data-md-color-${key}`, value)\n\n      /* Set toggle visibility */\n      for (let index = 0; index < inputs.length; index++) {\n        const label = inputs[index].nextElementSibling\n        if (label instanceof HTMLElement)\n          label.hidden = palette.index !== index\n      }\n\n      /* Persist preference in local storage */\n      __md_set(\"__palette\", palette)\n    })\n\n    // Handle color switch on Enter or Space - see https://t.ly/YIhVj\n    fromEvent<KeyboardEvent>(el, \"keydown\").pipe(\n      filter(ev => ev.key === \"Enter\"),\n      withLatestFrom(push$, (_, palette) => palette)\n    )\n      .subscribe(({ index }) => {\n        index = (index + 1) % inputs.length\n        inputs[index].click()\n        inputs[index].focus()\n      })\n\n    /* Update theme-color meta tag */\n    push$\n      .pipe(\n        map(() => {\n          const header = getComponentElement(\"header\")\n          const style  = window.getComputedStyle(header)\n\n          // Set color scheme\n          scheme.content = style.colorScheme\n\n          /* Return color in hexadecimal format */\n          return style.backgroundColor.match(/\\d+/g)!\n            .map(value => (+value).toString(16).padStart(2, \"0\"))\n            .join(\"\")\n        })\n      )\n        .subscribe(color => meta.content = `#${color}`)\n\n    /* Revert transition durations after color switch */\n    push$.pipe(observeOn(asyncScheduler))\n      .subscribe(() => {\n        document.body.removeAttribute(\"data-md-color-switching\")\n      })\n\n    /* Create and return component */\n    return watchPalette(inputs)\n      .pipe(\n        takeUntil(media$.pipe(skip(1))),\n        repeat(),\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  defer,\n  finalize,\n  map,\n  tap\n} from \"rxjs\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Progress indicator\n */\nexport interface Progress {\n  value: number                        // Progress value\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  progress$: Subject<number>           // Progress subject\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount progress indicator\n *\n * @param el - Progress indicator element\n * @param options - Options\n *\n * @returns Progress indicator component observable\n */\nexport function mountProgress(\n  el: HTMLElement, { progress$ }: MountOptions\n): Observable<Component<Progress>> {\n\n  // Mount component on subscription\n  return defer(() => {\n    const push$ = new Subject<Progress>()\n    push$.subscribe(({ value }) => {\n      el.style.setProperty(\"--md-progress-value\", `${value}`)\n    })\n\n    // Create and return component\n    return progress$\n      .pipe(\n        tap(value => push$.next({ value })),\n        finalize(() => push$.complete()),\n        map(value => ({ ref: el, value }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport {\n  Observable,\n  Subject,\n  map,\n  tap\n} from \"rxjs\"\n\nimport { translation } from \"~/_\"\nimport { getElement } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n  alert$: Subject<string>              /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Extract text to copy\n *\n * @param el - HTML element\n *\n * @returns Extracted text\n */\nfunction extract(el: HTMLElement): string {\n  el.setAttribute(\"data-md-copying\", \"\")\n  const copy = el.closest(\"[data-copy]\")\n  const text = copy\n    ? copy.getAttribute(\"data-copy\")!\n    : el.innerText\n  el.removeAttribute(\"data-md-copying\")\n  return text.trimEnd()\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up Clipboard.js integration\n *\n * @param options - Options\n */\nexport function setupClipboardJS(\n  { alert$ }: SetupOptions\n): void {\n  if (ClipboardJS.isSupported()) {\n    new Observable<ClipboardJS.Event>(subscriber => {\n      new ClipboardJS(\"[data-clipboard-target], [data-clipboard-text]\", {\n        text: el => (\n          el.getAttribute(\"data-clipboard-text\")! ||\n          extract(getElement(\n            el.getAttribute(\"data-clipboard-target\")!\n          ))\n        )\n      })\n        .on(\"success\", ev => subscriber.next(ev))\n    })\n      .pipe(\n        tap(ev => {\n          const trigger = ev.trigger as HTMLElement\n          trigger.focus()\n        }),\n        map(() => translation(\"clipboard.copied\"))\n      )\n        .subscribe(alert$)\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  catchError,\n  map,\n  of\n} from \"rxjs\"\n\nimport {\n  getElement,\n  getElements,\n  requestXML\n} from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sitemap, i.e. a list of URLs\n */\nexport type Sitemap = Map<string, URL[]>\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Resolve URL to the given base URL\n *\n * When serving the site with instant navigation, MkDocs will set the hostname\n * to the value as specified in `dev_addr`, but the browser allows for several\n * hostnames to be used: `localhost`, `127.0.0.1` or even `0.0.0.0`, depending\n * on configuration. This function resolves the URL to the given hostname.\n *\n * @param url - URL\n * @param base - Base URL\n *\n * @returns Resolved URL\n */\nfunction resolve(url: URL, base: URL) {\n  url.protocol = base.protocol\n  url.hostname = base.hostname\n  return url\n}\n\n/**\n * Extract sitemap from document\n *\n * This function extracts the URLs and alternate links from the document, and\n * associates alternate links to the original URL as found in `loc`, allowing\n * the browser to navigate to the correct page when switching languages. The\n * format of the sitemap is expected to adhere to:\n *\n * ``` xml\n * <urlset>\n *   <url>\n *     <loc>...</loc>\n *     <xhtml:link rel=\"alternate\" hreflang=\"en\" href=\"...\"/>\n *     <xhtml:link rel=\"alternate\" hreflang=\"de\" href=\"...\"/>\n *     ...\n *   </url>\n *   ...\n * </urlset>\n * ```\n *\n * @param document - Document\n * @param base - Base URL\n *\n * @returns Sitemap\n */\nfunction extract(document: Document, base: URL): Sitemap {\n  const sitemap: Sitemap = new Map()\n  for (const el of getElements(\"url\", document)) {\n    const url = getElement(\"loc\", el)\n\n    // Create entry for location and add it to the list of links\n    const links = [resolve(new URL(url.textContent!), base)]\n    sitemap.set(`${links[0]}`, links)\n\n    // Attach alternate links to current entry\n    for (const link of getElements(\"[rel=alternate]\", el)) {\n      const href = link.getAttribute(\"href\")\n      if (href != null)\n        links.push(resolve(new URL(href), base))\n    }\n  }\n\n  // Return sitemap\n  return sitemap\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch the sitemap for the given base URL\n *\n * If a network or parsing error occurs, we just default to an empty sitemap,\n * which means the caller should fall back to regular navigation.\n *\n * @param base - Base URL\n *\n * @returns Sitemap observable\n */\nexport function fetchSitemap(base: URL | string): Observable<Sitemap> {\n  return requestXML(new URL(\"sitemap.xml\", base))\n    .pipe(\n      map(document => extract(document, new URL(base))),\n      catchError(() => of(new Map())),\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  catchError,\n  combineLatestWith,\n  concat,\n  debounceTime,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  endWith,\n  fromEvent,\n  ignoreElements,\n  map,\n  merge,\n  of,\n  share,\n  switchMap,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { configuration, feature } from \"~/_\"\nimport {\n  Viewport,\n  getElements,\n  getLocation,\n  getOptionalElement,\n  requestHTML,\n  setLocation,\n  setLocationHash\n} from \"~/browser\"\nimport { getComponentElement } from \"~/components\"\n\nimport { Sitemap, fetchSitemap } from \"../sitemap\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n  location$: Subject<URL>              // Location subject\n  viewport$: Observable<Viewport>      // Viewport observable\n  progress$: Subject<number>           // Progress subject\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Handle clicks on internal URLs while skipping external URLs\n *\n * @param ev - Mouse event\n * @param sitemap - Sitemap\n *\n * @returns URL observable\n */\nfunction handle(\n  ev: MouseEvent, sitemap: Sitemap\n): Observable<URL> {\n  if (!(ev.target instanceof Element))\n    return EMPTY\n\n  // Skip, as target is not within a link - clicks on non-link elements are\n  // also captured, which we need to exclude from processing\n  const el = ev.target.closest(\"a\")\n  if (el === null)\n    return EMPTY\n\n  // Skip, as link opens in new window - we now know we have captured a click\n  // on a link, but the link either has a `target` property defined, or the\n  // user pressed the `meta` or `ctrl` key to open it in a new window. Thus,\n  // we need to filter this event as well.\n  if (el.target || ev.metaKey || ev.ctrlKey)\n    return EMPTY\n\n  // Next, we must check if the URL is relevant for us, i.e., if it's an\n  // internal link to a page that is managed by MkDocs. Only then we can be\n  // sure that the structure of the page to be loaded adheres to the current\n  // document structure and can subsequently be injected into it without doing\n  // a full reload. For this reason, we must canonicalize the URL by removing\n  // all search parameters and hash fragments.\n  const url = new URL(el.href)\n  url.search = url.hash = \"\"\n\n  // Skip, if URL is not included in the sitemap - this could be the case when\n  // linking between versions or languages, or to another page that the author\n  // included as part of the build, but that is not managed by MkDocs. In that\n  // case we must not continue with instant navigation.\n  if (!sitemap.has(`${url}`))\n    return EMPTY\n\n  // We now know that we have a link to an internal page, so we prevent the\n  // browser from navigation and emit the URL for instant navigation. Note that\n  // this also includes anchor links, which means we need to implement anchor\n  // positioning ourselves. The reason for this is that if we wouldn't manage\n  // anchor links as well, scroll restoration will not work correctly (e.g.\n  // following an anchor link and scrolling).\n  ev.preventDefault()\n  return of(new URL(el.href))\n}\n\n/**\n * Create a map of head elements for lookup and replacement\n *\n * @param document - Document\n *\n * @returns Tag map\n */\nfunction head(document: Document): Map<string, HTMLElement> {\n  const tags = new Map<string, HTMLElement>()\n  for (const el of getElements(\":scope > *\", document.head))\n    tags.set(el.outerHTML, el)\n\n  // Return tag map\n  return tags\n}\n\n/**\n * Resolve relative URLs in the given document\n *\n * This function resolves relative `href` and `src` attributes, which can belong\n * to all sorts of tags, like meta tags, links, images, scripts and more.\n *\n * @param document - Document\n *\n * @returns Document observable\n */\nfunction resolve(document: Document): Observable<Document> {\n  for (const el of getElements(\"[href], [src]\", document))\n    for (const key of [\"href\", \"src\"]) {\n      const value = el.getAttribute(key)\n      if (value && !/^(?:[a-z]+:)?\\/\\//i.test(value)) {\n        // @ts-expect-error - trick: self-assign to resolve URL\n        el[key] = el[key]\n        break\n      }\n    }\n\n  // Return document observable\n  return of(document)\n}\n\n/**\n * Inject the contents of a document into the current one\n *\n * @param next - Next document\n *\n * @returns Document observable\n */\nfunction inject(next: Document): Observable<Document> {\n  for (const selector of [\n    \"[data-md-component=announce]\",\n    \"[data-md-component=container]\",\n    \"[data-md-component=header-topic]\",\n    \"[data-md-component=outdated]\",\n    \"[data-md-component=logo]\",\n    \"[data-md-component=skip]\",\n    ...feature(\"navigation.tabs.sticky\")\n      ? [\"[data-md-component=tabs]\"]\n      : []\n  ]) {\n    const source = getOptionalElement(selector)\n    const target = getOptionalElement(selector, next)\n    if (\n      typeof source !== \"undefined\" &&\n      typeof target !== \"undefined\"\n    ) {\n      source.replaceWith(target)\n    }\n  }\n\n  // Update meta tags\n  const tags = head(document)\n  for (const [html, el] of head(next))\n    if (tags.has(html))\n      tags.delete(html)\n    else\n      document.head.appendChild(el)\n\n  // Remove meta tags that are not present in the new document\n  for (const el of tags.values()) {\n    const name = el.getAttribute(\"name\")\n    // @todo - find a better way to handle attributes we add dynamically in\n    // other components without mounting components on every navigation, as\n    // this might impact overall performance - see https://t.ly/ehp_O\n    if (name !== \"theme-color\" && name !== \"color-scheme\")\n      el.remove()\n  }\n\n  // After components and meta tags were replaced, re-evaluate scripts\n  // that were provided by the author as part of Markdown files\n  const container = getComponentElement(\"container\")\n  return concat(getElements(\"script\", container))\n    .pipe(\n      switchMap(el => {\n        const script = next.createElement(\"script\")\n        if (el.src) {\n          for (const name of el.getAttributeNames())\n            script.setAttribute(name, el.getAttribute(name)!)\n          el.replaceWith(script)\n\n          // Complete when script is loaded\n          return new Observable(observer => {\n            script.onload = () => observer.complete()\n          })\n\n        // Complete immediately\n        } else {\n          script.textContent = el.textContent\n          el.replaceWith(script)\n          return EMPTY\n        }\n      }),\n      ignoreElements(),\n      endWith(document)\n    )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up instant navigation\n *\n * This is a heavily orchestrated operation - see inline comments to learn how\n * this works with Material for MkDocs, and how you can hook into it.\n *\n * @param options - Options\n *\n * @returns Document observable\n */\nexport function setupInstantNavigation(\n  { location$, viewport$, progress$ }: SetupOptions\n): Observable<Document> {\n  const config = configuration()\n  if (location.protocol === \"file:\")\n    return EMPTY\n\n  // Load sitemap immediately, so we have it available when the user initiates\n  // the first navigation request without any perceivable delay\n  const sitemap$ = fetchSitemap(config.base)\n\n  // Since we might be on a slow connection, the user might trigger multiple\n  // instant navigation events that overlap. MkDocs produces relative URLs for\n  // all internal links, which becomes a problem in this case, because we need\n  // to change the base URL the moment the user clicks a link that should be\n  // intercepted in order to be consistent with popstate, which means that the\n  // base URL would now be incorrect when resolving another relative link from\n  // the same site. For this reason we always resolve all relative links to\n  // absolute links, so we can be sure this never happens.\n  of(document)\n    .subscribe(resolve)\n\n  // --------------------------------------------------------------------------\n  // Navigation interception\n  // --------------------------------------------------------------------------\n\n  // Intercept navigation - to keep the number of event listeners down we use\n  // the fact that uncaptured events bubble up to the body. This has the nice\n  // property that we don't need to detach and then re-attach event listeners\n  // when the document is replaced after a navigation event.\n  const instant$ =\n    fromEvent<MouseEvent>(document.body, \"click\")\n      .pipe(\n        combineLatestWith(sitemap$),\n        switchMap(([ev, sitemap]) => handle(ev, sitemap)),\n        share()\n      )\n\n  // Intercept history change events, e.g. when the user uses the browser's\n  // back or forward buttons, and emit new location for fetching and parsing\n  const history$ =\n    fromEvent<PopStateEvent>(window, \"popstate\")\n      .pipe(\n        map(getLocation),\n        share()\n      )\n\n  // While it would be better UX to defer navigation events until the document\n  // is fully fetched and parsed, we must schedule it here to synchronize with\n  // popstate events, as they are emitted immediately. Moreover we need to\n  // store the current viewport offset for scroll restoration later on.\n  instant$.pipe(withLatestFrom(viewport$))\n    .subscribe(([url, { offset }]) => {\n      history.replaceState(offset, \"\")\n      history.pushState(null, \"\", url)\n    })\n\n  // Emit URLs that should be fetched via instant navigation on location subject\n  // which was passed into this function. The state of instant navigation can be\n  // intercepted by other parts of the application, which can synchronously back\n  // up or restore state before or after instant navigation happens.\n  merge(instant$, history$)\n    .subscribe(location$)\n\n  // --------------------------------------------------------------------------\n  // Fetching and parsing\n  // --------------------------------------------------------------------------\n\n  // Fetch document - we deduplicate requests to the same location, so we don't\n  // end up with multiple requests for the same page. We use `switchMap`, since\n  // we want to cancel the previous request when a new one is triggered, which\n  // is automatically handled by the observable returned by `request`. This is\n  // essential to ensure a good user experience, as we don't want to load pages\n  // that are not needed anymore, e.g., when the user clicks multiple links in\n  // quick succession or on slow connections. If the request fails for some\n  // reason, we fall back and use regular navigation, forcing a reload.\n  const document$ =\n    location$.pipe(\n      distinctUntilKeyChanged(\"pathname\"),\n      switchMap(url => requestHTML(url, { progress$ })\n        .pipe(\n          catchError(() => {\n            setLocation(url, true)\n            return EMPTY\n          })\n        )\n      ),\n\n      // The document was successfully fetched and parsed, so we can inject its\n      // contents into the currently active document\n      switchMap(resolve),\n      switchMap(inject),\n      share()\n    )\n\n  // --------------------------------------------------------------------------\n  // Scroll restoration\n  // --------------------------------------------------------------------------\n\n  // Handle scroll restoration - we must restore the viewport offset after the\n  // document has been fetched and injected, and every time the user clicks an\n  // anchor that leads to an element on the same page, which might also happen\n  // when the user uses the back or forward button.\n  merge(\n    document$.pipe(withLatestFrom(location$, (_, url) => url)),\n\n    // Handle instant navigation events that are triggered by the user clicking\n    // on an anchor link with a hash fragment different from the current one, as\n    // well as from popstate events, which are emitted when the user navigates\n    // back and forth between pages.\n    document$.pipe(\n      switchMap(() => location$),\n      distinctUntilKeyChanged(\"hash\"),\n    ),\n\n    // Handle instant navigation events that are triggered by the user clicking\n    // on an anchor link with the same hash fragment as the current one in the\n    // URL. It is essential that we only intercept those from instant navigation\n    // events and not from history change events, or we'll end up in and endless\n    // loop. The top-level history entry must be removed, as it will be replaced\n    // with a new one, which would otherwise lead to a duplicate entry.\n    location$.pipe(\n      distinctUntilChanged((a, b) => (\n        a.pathname === b.pathname &&\n        a.hash     === b.hash\n      )),\n      switchMap(() => instant$),\n      tap(() => history.back())\n    )\n  )\n    .subscribe(url => {\n\n      // Check if the current history entry has a state, which happens when the\n      // user presses the back or forward button to visit a page we've already\n      // seen. If there's no state, it means a new page was visited and we must\n      // scroll to the top, unless an anchor is given.\n      if (history.state !== null || !url.hash) {\n        window.scrollTo(0, history.state?.y ?? 0)\n      } else {\n        history.scrollRestoration = \"auto\"\n        setLocationHash(url.hash)\n        history.scrollRestoration = \"manual\"\n      }\n    })\n\n  // Disable scroll restoration when an instant navigation event occurs, so the\n  // browser does not immediately set the viewport offset to the prior history\n  // entry, scrolling to the position on the same page, which would look odd.\n  // Instead, we manually restore the position once the page has loaded.\n  location$.subscribe(() => {\n    history.scrollRestoration = \"manual\"\n  })\n\n  // Enable scroll restoration before window unloads - this is essential to\n  // ensure that full reloads (F5) restore the viewport offset correctly. If\n  // only popstate events wouldn't reset the viewport offset prior to their\n  // emission, we could just reset this in popstate. Meh.\n  fromEvent(window, \"beforeunload\")\n    .subscribe(() => {\n      history.scrollRestoration = \"auto\"\n    })\n\n  // Track viewport offset, so we can restore it when the user navigates back\n  // and forth between pages. Note that this must be debounced and cannot be\n  // done in popstate, as popstate has already removed the entry from the\n  // history, which means it is too late.\n  viewport$.pipe(\n    distinctUntilKeyChanged(\"offset\"),\n    debounceTime(100)\n  )\n    .subscribe(({ offset }) => {\n      history.replaceState(offset, \"\")\n    })\n\n  // Return document observable\n  return document$\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchConfig } from \"../config\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlight function\n *\n * @param value - Value\n *\n * @returns Highlighted value\n */\nexport type SearchHighlightFn = (value: string) => string\n\n/**\n * Search highlight factory function\n *\n * @param query - Query value\n *\n * @returns Search highlight function\n */\nexport type SearchHighlightFactoryFn = (query: string) => SearchHighlightFn\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search highlighter\n *\n * @param config - Search configuration\n *\n * @returns Search highlight factory function\n */\nexport function setupSearchHighlighter(\n  config: SearchConfig\n): SearchHighlightFactoryFn {\n  // Hack: temporarily remove pure lookaheads and lookbehinds\n  const regex = config.separator.split(\"|\").map(term => {\n    const temp = term.replace(/(\\(\\?[!=<][^)]+\\))/g, \"\")\n    return temp.length === 0 ? \"\uFFFD\" : term\n  })\n    .join(\"|\")\n\n  const separator = new RegExp(regex, \"img\")\n  const highlight = (_: unknown, data: string, term: string) => {\n    return `${data}<mark data-md-highlight>${term}</mark>`\n  }\n\n  /* Return factory function */\n  return (query: string) => {\n    query = query\n      .replace(/[\\s*+\\-:~^]+/g, \" \")\n      .replace(/&/g, \"&amp;\")\n      .trim()\n\n    /* Create search term match expression */\n    const match = new RegExp(`(^|${config.separator}|)(${\n      query\n        .replace(/[|\\\\{}()[\\]^$+*?.-]/g, \"\\\\$&\")\n        .replace(separator, \"|\")\n    })`, \"img\")\n\n    /* Highlight string value */\n    return value => escapeHTML(value)\n      .replace(match, highlight)\n      .replace(/<\\/mark>(\\s+)<mark[^>]*>/img, \"$1\")\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchResult } from \"../../_\"\nimport { SearchIndex } from \"../../config\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n  SETUP,                               /* Search index setup */\n  READY,                               /* Search index ready */\n  QUERY,                               /* Search query */\n  RESULT                               /* Search results */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Message containing the data necessary to setup the search index\n */\nexport interface SearchSetupMessage {\n  type: SearchMessageType.SETUP        /* Message type */\n  data: SearchIndex                    /* Message data */\n}\n\n/**\n * Message indicating the search index is ready\n */\nexport interface SearchReadyMessage {\n  type: SearchMessageType.READY        /* Message type */\n}\n\n/**\n * Message containing a search query\n */\nexport interface SearchQueryMessage {\n  type: SearchMessageType.QUERY        /* Message type */\n  data: string                         /* Message data */\n}\n\n/**\n * Message containing results for a search query\n */\nexport interface SearchResultMessage {\n  type: SearchMessageType.RESULT       /* Message type */\n  data: SearchResult                   /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Message exchanged with the search worker\n */\nexport type SearchMessage =\n  | SearchSetupMessage\n  | SearchReadyMessage\n  | SearchQueryMessage\n  | SearchResultMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for search ready messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchReadyMessage(\n  message: SearchMessage\n): message is SearchReadyMessage {\n  return message.type === SearchMessageType.READY\n}\n\n/**\n * Type guard for search result messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchResultMessage(\n  message: SearchMessage\n): message is SearchResultMessage {\n  return message.type === SearchMessageType.RESULT\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  ObservableInput,\n  Subject,\n  first,\n  merge,\n  of,\n  switchMap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport { watchToggle, watchWorker } from \"~/browser\"\n\nimport { SearchIndex } from \"../../config\"\nimport {\n  SearchMessage,\n  SearchMessageType\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search worker\n *\n * This function creates and initializes a web worker that is used for search,\n * so that the user interface doesn't freeze. In general, the application does\n * not care how search is implemented, as long as the web worker conforms to\n * the format expected by the application as defined in `SearchMessage`. This\n * allows the author to implement custom search functionality, by providing a\n * custom web worker via configuration.\n *\n * Material for MkDocs' built-in search implementation makes use of Lunr.js, an\n * efficient and fast implementation for client-side search. Leveraging a tiny\n * iframe-based web worker shim, search is even supported for the `file://`\n * protocol, enabling search for local non-hosted builds.\n *\n * If the protocol is `file://`, search initialization is deferred to mitigate\n * freezing, as it's now synchronous by design - see https://bit.ly/3C521EO\n *\n * @see https://bit.ly/3igvtQv - How to implement custom search\n *\n * @param url - Worker URL\n * @param index$ - Search index observable input\n *\n * @returns Search worker\n */\nexport function setupSearchWorker(\n  url: string, index$: ObservableInput<SearchIndex>\n): Subject<SearchMessage> {\n  const worker$ = watchWorker<SearchMessage>(url)\n  merge(\n    of(location.protocol !== \"file:\"),\n    watchToggle(\"search\")\n  )\n    .pipe(\n      first(active => active),\n      switchMap(() => index$)\n    )\n      .subscribe(({ config, docs }) => worker$.next({\n        type: SearchMessageType.SETUP,\n        data: {\n          config,\n          docs,\n          options: {\n            suggest: feature(\"search.suggest\")\n          }\n        }\n      }))\n\n  /* Return search worker */\n  return worker$\n}\n", "import { Sitemap } from \"../../sitemap\"\n\n/** See docstring for `selectedVersionCorrespondingURL` for the meaning of these fields. */\ntype CorrespondingURLParams = {\n  selectedVersionSitemap: Sitemap\n  selectedVersionBaseURL: URL\n  currentLocation: URL\n  currentBaseURL: string\n}\n\n/**\n * Choose a URL to navigate to when the user chooses a version in the version\n * selector.\n *\n * The parameters in `params` are named as follows, in order to make it clearer\n * which parameter means what when invoking the function:\n *\n *  - selectedVersionSitemap: Sitemap - as obtained by fetchSitemap from `${selectedVersionBaseURL}/sitemap.xml`\n *\n *  - selectedVersionBaseURL: URL - usually `${currentBaseURL}/../selectedVersion`\n *\n *  - currentLocation: URL - current web browser location\n *\n *  - currentBaseURL: string - as obtained from `config.base`\n *\n * @param params - arguments with the meanings explained above.\n * @returns the URL to navigate to or null if we can't be sure that the\n * corresponding page to the current page exists in the selected version\n */\nexport function selectedVersionCorrespondingURL(\n  params: CorrespondingURLParams\n): URL | undefined {\n  const {selectedVersionSitemap,\n    selectedVersionBaseURL,\n    currentLocation,\n    currentBaseURL} = params\n  const current_path = safeURLParse(currentBaseURL)?.pathname\n  if (current_path === undefined) {\n    return\n  }\n  const currentRelativePath = stripPrefix(currentLocation.pathname, current_path)\n  if (currentRelativePath === undefined) {\n    return\n  }\n  const sitemapCommonPrefix = shortestCommonPrefix(selectedVersionSitemap.keys())\n  if (!selectedVersionSitemap.has(sitemapCommonPrefix)) {\n    // We could also check that `commonSitemapPrefix` ends in the canonical version,\n    // similarly to https://github.com/squidfunk/mkdocs-material/pull/7227. However,\n    // I don't believe that Mike/MkDocs ever generate sitemaps where it would matter\n    return\n  }\n\n  const potentialSitemapURL = safeURLParse(currentRelativePath, sitemapCommonPrefix)\n  if (!potentialSitemapURL || !selectedVersionSitemap.has(potentialSitemapURL.href)) {\n    return\n  }\n\n  const result = safeURLParse(currentRelativePath, selectedVersionBaseURL)\n  if (!result) {\n    return\n  }\n  result.hash = currentLocation.hash\n  result.search = currentLocation.search\n  return result\n}\n\n/**\n * A version of `new URL` that never throws. A polyfill for URL.parse() which is\n * not yet ubuquitous.\n *\n * @param url - passed to `new URL` constructor\n * @param base - passed to `new URL` constructor\n *\n * @returns `new URL(url, base)` or undefined if the URL is invalid.\n */\nfunction safeURLParse(url: string|URL, base?: string|URL): URL | undefined {\n  try {\n    return new URL(url, base)\n  } catch {\n    return\n  }\n}\n\n// Basic string manipulation\n\n/** Strip a given prefix from a function\n *\n * @param s - string\n * @param prefix - prefix to strip\n *\n * @returns either the string with the prefix stripped or undefined if the\n * string did not begin with the prefix.\n */\nexport function stripPrefix(s: string, prefix: string): string | undefined {\n  if (s.startsWith(prefix)) {\n    return s.slice(prefix.length)\n  }\n  return undefined\n}\n\n/** Find the length of the longest common prefix of two strings\n *\n * @param s1 - first string\n * @param s2 - second string\n *\n * @returns - the length of the longest common prefix of the two strings.\n */\nfunction commonPrefixLen(s1: string, s2: string): number {\n  const max = Math.min(s1.length, s2.length)\n  let result\n  for (result = 0; result < max; ++result) {\n    if (s1[result] !== s2[result]) {\n      break\n    }\n  }\n  return result\n}\n\n/** Find the longest common prefix of any number of strings\n *\n * @param strs - an iterable of strings\n *\n * @returns the longest common prefix of all the strings\n */\nexport function shortestCommonPrefix(strs: Iterable<string>): string {\n  let result  // Undefined if no iterations happened\n  for (const s of strs) {\n    if (result === undefined) {\n      result = s\n    } else {\n      result = result.slice(0, commonPrefixLen(result, s))\n    }\n  }\n  return result ?? \"\"\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Subject,\n  catchError,\n  combineLatest,\n  filter,\n  fromEvent,\n  map,\n  of,\n  switchMap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { configuration } from \"~/_\"\nimport {\n  getElement,\n  getLocation,\n  requestJSON,\n  setLocation\n} from \"~/browser\"\nimport { getComponentElements } from \"~/components\"\nimport {\n  Version,\n  renderVersionSelector\n} from \"~/templates\"\n\nimport { fetchSitemap } from \"../sitemap\"\n\nimport { selectedVersionCorrespondingURL } from \"./findurl\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n  document$: Subject<Document>         /* Document subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up version selector\n *\n * @param options - Options\n */\nexport function setupVersionSelector(\n  { document$ }: SetupOptions\n): void {\n  const config = configuration()\n  const versions$ = requestJSON<Version[]>(\n    new URL(\"../versions.json\", config.base)\n  )\n    .pipe(\n      catchError(() => EMPTY) // @todo refactor instant loading\n    )\n\n  /* Determine current version */\n  const current$ = versions$\n    .pipe(\n      map(versions => {\n        const [, current] = config.base.match(/([^/]+)\\/?$/)!\n        return versions.find(({ version, aliases }) => (\n          version === current || aliases.includes(current)\n        )) || versions[0]\n      })\n    )\n\n  /* Intercept inter-version navigation */\n  versions$\n    .pipe(\n      map(versions => new Map(versions.map(version => [\n        `${new URL(`../${version.version}/`, config.base)}`,\n        version\n      ]))),\n      switchMap(urls => fromEvent<MouseEvent>(document.body, \"click\")\n        .pipe(\n          filter(ev => !ev.metaKey && !ev.ctrlKey),\n          withLatestFrom(current$),\n          switchMap(([ev, current]) => {\n            if (ev.target instanceof Element) {\n              const el = ev.target.closest(\"a\")\n              if (el && !el.target && urls.has(el.href)) {\n                const url = el.href\n                // This is a temporary hack to detect if a version inside the\n                // version selector or on another part of the site was clicked.\n                // If we're inside the version selector, we definitely want to\n                // find the same page, as we might have different deployments\n                // due to aliases. However, if we're outside the version\n                // selector, we must abort here, because we might otherwise\n                // interfere with instant navigation. We need to refactor this\n                // at some point together with instant navigation.\n                //\n                // See https://github.com/squidfunk/mkdocs-material/issues/4012\n                if (!ev.target.closest(\".md-version\")) {\n                  const version = urls.get(url)!\n                  if (version === current)\n                    return EMPTY\n                }\n                ev.preventDefault()\n                return of(new URL(url))\n              }\n            }\n            return EMPTY\n          }),\n          switchMap(selectedVersionBaseURL => {\n            return fetchSitemap(selectedVersionBaseURL).pipe(\n              map(\n                sitemap =>\n                  selectedVersionCorrespondingURL({\n                    selectedVersionSitemap: sitemap,\n                    selectedVersionBaseURL,\n                    currentLocation: getLocation(),\n                    currentBaseURL: config.base\n                  }) ?? selectedVersionBaseURL,\n              ),\n            )\n          })\n        )\n      )\n    )\n      .subscribe(url => setLocation(url, true))\n\n  /* Render version selector and warning */\n  combineLatest([versions$, current$])\n    .subscribe(([versions, current]) => {\n      const topic = getElement(\".md-header__topic\")\n      topic.appendChild(renderVersionSelector(versions, current))\n    })\n\n  /* Integrate outdated version banner with instant navigation */\n  document$.pipe(switchMap(() => current$))\n    .subscribe(current => {\n\n      // Always scope outdate version banner to the base URL of the site\n      const base = new URL(config.base)\n\n      /* Check if version state was already determined */\n      let outdated = __md_get(\"__outdated\", sessionStorage, base)\n      if (outdated === null) {\n        outdated = true\n\n        /* Obtain and normalize default versions */\n        let ignored = config.version?.default || \"latest\"\n        if (!Array.isArray(ignored))\n          ignored = [ignored]\n\n        /* Check if version is considered a default */\n        main: for (const ignore of ignored)\n          for (const version of current.aliases.concat(current.version))\n            if (new RegExp(ignore, \"i\").test(version)) {\n              outdated = false\n              break main\n            }\n\n        /* Persist version state in session storage */\n        __md_set(\"__outdated\", outdated, sessionStorage, base)\n      }\n\n      /* Unhide outdated version banner */\n      if (outdated)\n        for (const warning of getComponentElements(\"outdated\"))\n          warning.hidden = false\n    })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  combineLatest,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  endWith,\n  finalize,\n  first,\n  fromEvent,\n  ignoreElements,\n  map,\n  merge,\n  shareReplay,\n  takeUntil,\n  tap\n} from \"rxjs\"\n\nimport {\n  getElement,\n  getLocation,\n  setToggle,\n  watchElementFocus,\n  watchToggle\n} from \"~/browser\"\nimport {\n  SearchMessage,\n  SearchMessageType,\n  isSearchReadyMessage\n} from \"~/integrations\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query\n */\nexport interface SearchQuery {\n  value: string                        /* Query value */\n  focus: boolean                       /* Query focus */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  worker$: Subject<SearchMessage>      /* Search worker */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  worker$: Subject<SearchMessage>      /* Search worker */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search query\n *\n * Note that the focus event which triggers re-reading the current query value\n * is delayed by `1ms` so the input's empty state is allowed to propagate.\n *\n * @param el - Search query element\n * @param options - Options\n *\n * @returns Search query observable\n */\nexport function watchSearchQuery(\n  el: HTMLInputElement, { worker$ }: WatchOptions\n): Observable<SearchQuery> {\n\n  /* Support search deep linking */\n  const { searchParams } = getLocation()\n  if (searchParams.has(\"q\")) {\n    setToggle(\"search\", true)\n\n    /* Set query from parameter */\n    el.value = searchParams.get(\"q\")!\n    el.focus()\n\n    /* Remove query parameter on close */\n    watchToggle(\"search\")\n      .pipe(\n        first(active => !active)\n      )\n        .subscribe(() => {\n          const url = getLocation()\n          url.searchParams.delete(\"q\")\n          history.replaceState({}, \"\", `${url}`)\n        })\n  }\n\n  /* Intercept focus and input events */\n  const focus$ = watchElementFocus(el)\n  const value$ = merge(\n    worker$.pipe(first(isSearchReadyMessage)),\n    fromEvent(el, \"keyup\"),\n    focus$\n  )\n    .pipe(\n      map(() => el.value),\n      distinctUntilChanged()\n    )\n\n  /* Combine into single observable */\n  return combineLatest([value$, focus$])\n    .pipe(\n      map(([value, focus]) => ({ value, focus })),\n      shareReplay(1)\n    )\n}\n\n/**\n * Mount search query\n *\n * @param el - Search query element\n * @param options - Options\n *\n * @returns Search query component observable\n */\nexport function mountSearchQuery(\n  el: HTMLInputElement, { worker$ }: MountOptions\n): Observable<Component<SearchQuery, HTMLInputElement>> {\n  const push$ = new Subject<SearchQuery>()\n  const done$ = push$.pipe(ignoreElements(), endWith(true))\n\n  /* Handle value change */\n  combineLatest([\n    worker$.pipe(first(isSearchReadyMessage)),\n    push$\n  ], (_, query) => query)\n    .pipe(\n      distinctUntilKeyChanged(\"value\")\n    )\n      .subscribe(({ value }) => worker$.next({\n        type: SearchMessageType.QUERY,\n        data: value\n      }))\n\n  /* Handle focus change */\n  push$\n    .pipe(\n      distinctUntilKeyChanged(\"focus\")\n    )\n      .subscribe(({ focus }) => {\n        if (focus)\n          setToggle(\"search\", focus)\n      })\n\n  /* Handle reset */\n  fromEvent(el.form!, \"reset\")\n    .pipe(\n      takeUntil(done$)\n    )\n      .subscribe(() => el.focus())\n\n  // Focus search query on label click - note that this is necessary to bring\n  // up the keyboard on iOS and other mobile platforms, as the search dialog is\n  // not visible at first, and programatically focusing an input element must\n  // be triggered by a user interaction - see https://t.ly/Cb30n\n  const label = getElement(\"header [for=__search]\")\n  fromEvent(label, \"click\")\n    .subscribe(() => el.focus())\n\n  /* Create and return component */\n  return watchSearchQuery(el, { worker$ })\n    .pipe(\n      tap(state => push$.next(state)),\n      finalize(() => push$.complete()),\n      map(state => ({ ref: el, ...state })),\n      shareReplay(1)\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  bufferCount,\n  filter,\n  finalize,\n  first,\n  fromEvent,\n  map,\n  merge,\n  mergeMap,\n  of,\n  share,\n  skipUntil,\n  switchMap,\n  takeUntil,\n  tap,\n  withLatestFrom,\n  zipWith\n} from \"rxjs\"\n\nimport { translation } from \"~/_\"\nimport {\n  getElement,\n  getOptionalElement,\n  watchElementBoundary,\n  watchToggle\n} from \"~/browser\"\nimport {\n  SearchMessage,\n  SearchResult,\n  isSearchReadyMessage,\n  isSearchResultMessage\n} from \"~/integrations\"\nimport { renderSearchResultItem } from \"~/templates\"\nimport { round } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  query$: Observable<SearchQuery>      /* Search query observable */\n  worker$: Subject<SearchMessage>      /* Search worker */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search result list\n *\n * This function performs a lazy rendering of the search results, depending on\n * the vertical offset of the search result container.\n *\n * @param el - Search result list element\n * @param options - Options\n *\n * @returns Search result list component observable\n */\nexport function mountSearchResult(\n  el: HTMLElement, { worker$, query$ }: MountOptions\n): Observable<Component<SearchResult>> {\n  const push$ = new Subject<SearchResult>()\n  const boundary$ = watchElementBoundary(el.parentElement!)\n    .pipe(\n      filter(Boolean)\n    )\n\n  /* Retrieve container */\n  const container = el.parentElement!\n\n  /* Retrieve nested components */\n  const meta = getElement(\":scope > :first-child\", el)\n  const list = getElement(\":scope > :last-child\", el)\n\n  /* Reveal to accessibility tree \u2013 see https://bit.ly/3iAA7t8 */\n  watchToggle(\"search\")\n    .subscribe(active => {\n      list.setAttribute(\"role\", active ? \"list\" : \"presentation\")\n      list.hidden = !active\n    })\n\n  /* Update search result metadata */\n  push$\n    .pipe(\n      withLatestFrom(query$),\n      skipUntil(worker$.pipe(first(isSearchReadyMessage)))\n    )\n      .subscribe(([{ items }, { value }]) => {\n        switch (items.length) {\n\n          /* No results */\n          case 0:\n            meta.textContent = value.length\n              ? translation(\"search.result.none\")\n              : translation(\"search.result.placeholder\")\n            break\n\n          /* One result */\n          case 1:\n            meta.textContent = translation(\"search.result.one\")\n            break\n\n          /* Multiple result */\n          default:\n            const count = round(items.length)\n            meta.textContent = translation(\"search.result.other\", count)\n        }\n      })\n\n  /* Render search result item */\n  const render$ = push$\n    .pipe(\n      tap(() => list.innerHTML = \"\"),\n      switchMap(({ items }) => merge(\n        of(...items.slice(0, 10)),\n        of(...items.slice(10))\n          .pipe(\n            bufferCount(4),\n            zipWith(boundary$),\n            switchMap(([chunk]) => chunk)\n          )\n      )),\n      map(renderSearchResultItem),\n      share()\n    )\n\n  /* Update search result list */\n  render$.subscribe(item => list.appendChild(item))\n  render$\n    .pipe(\n      mergeMap(item => {\n        const details = getOptionalElement(\"details\", item)\n        if (typeof details === \"undefined\")\n          return EMPTY\n\n        /* Keep position of details element stable */\n        return fromEvent(details, \"toggle\")\n          .pipe(\n            takeUntil(push$),\n            map(() => details)\n          )\n      })\n    )\n      .subscribe(details => {\n        if (\n          details.open === false &&\n          details.offsetTop <= container.scrollTop\n        )\n          container.scrollTo({ top: details.offsetTop })\n      })\n\n  /* Filter search result message */\n  const result$ = worker$\n    .pipe(\n      filter(isSearchResultMessage),\n      map(({ data }) => data)\n    )\n\n  /* Create and return component */\n  return result$\n    .pipe(\n      tap(state => push$.next(state)),\n      finalize(() => push$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  endWith,\n  finalize,\n  fromEvent,\n  ignoreElements,\n  map,\n  takeUntil,\n  tap\n} from \"rxjs\"\n\nimport { getLocation } from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search sharing\n */\nexport interface SearchShare {\n  url: URL                             /* Deep link for sharing */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  query$: Observable<SearchQuery>      /* Search query observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  query$: Observable<SearchQuery>      /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search sharing\n *\n * @param _el - Search sharing element\n * @param options - Options\n *\n * @returns Search sharing observable\n */\nexport function watchSearchShare(\n  _el: HTMLElement, { query$ }: WatchOptions\n): Observable<SearchShare> {\n  return query$\n    .pipe(\n      map(({ value }) => {\n        const url = getLocation()\n        url.hash = \"\"\n\n        /* Compute readable query strings */\n        value = value\n          .replace(/\\s+/g, \"+\")        /* Collapse whitespace */\n          .replace(/&/g, \"%26\")        /* Escape '&' character */\n          .replace(/=/g, \"%3D\")        /* Escape '=' character */\n\n        /* Replace query string */\n        url.search = `q=${value}`\n        return { url }\n      })\n    )\n}\n\n/**\n * Mount search sharing\n *\n * @param el - Search sharing element\n * @param options - Options\n *\n * @returns Search sharing component observable\n */\nexport function mountSearchShare(\n  el: HTMLAnchorElement, options: MountOptions\n): Observable<Component<SearchShare>> {\n  const push$ = new Subject<SearchShare>()\n  const done$ = push$.pipe(ignoreElements(), endWith(true))\n  push$.subscribe(({ url }) => {\n    el.setAttribute(\"data-clipboard-text\", el.href)\n    el.href = `${url}`\n  })\n\n  /* Prevent following of link */\n  fromEvent(el, \"click\")\n    .pipe(\n      takeUntil(done$)\n    )\n      .subscribe(ev => ev.preventDefault())\n\n  /* Create and return component */\n  return watchSearchShare(el, options)\n    .pipe(\n      tap(state => push$.next(state)),\n      finalize(() => push$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  asyncScheduler,\n  combineLatestWith,\n  distinctUntilChanged,\n  filter,\n  finalize,\n  fromEvent,\n  map,\n  merge,\n  observeOn,\n  tap\n} from \"rxjs\"\n\nimport { Keyboard } from \"~/browser\"\nimport {\n  SearchMessage,\n  SearchResult,\n  isSearchResultMessage\n} from \"~/integrations\"\n\nimport { Component, getComponentElement } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search suggestions\n */\nexport interface SearchSuggest {}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  keyboard$: Observable<Keyboard>      /* Keyboard observable */\n  worker$: Subject<SearchMessage>      /* Search worker */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search suggestions\n *\n * This function will perform a lazy rendering of the search results, depending\n * on the vertical offset of the search result container.\n *\n * @param el - Search result list element\n * @param options - Options\n *\n * @returns Search result list component observable\n */\nexport function mountSearchSuggest(\n  el: HTMLElement, { worker$, keyboard$ }: MountOptions\n): Observable<Component<SearchSuggest>> {\n  const push$ = new Subject<SearchResult>()\n\n  /* Retrieve query component and track all changes */\n  const query  = getComponentElement(\"search-query\")\n  const query$ = merge(\n    fromEvent(query, \"keydown\"),\n    fromEvent(query, \"focus\")\n  )\n    .pipe(\n      observeOn(asyncScheduler),\n      map(() => query.value),\n      distinctUntilChanged(),\n    )\n\n  /* Update search suggestions */\n  push$\n    .pipe(\n      combineLatestWith(query$),\n      map(([{ suggest }, value]) => {\n        const words = value.split(/([\\s-]+)/)\n        if (suggest?.length && words[words.length - 1]) {\n          const last = suggest[suggest.length - 1]\n          if (last.startsWith(words[words.length - 1]))\n            words[words.length - 1] = last\n        } else {\n          words.length = 0\n        }\n        return words\n      })\n    )\n      .subscribe(words => el.innerHTML = words\n        .join(\"\")\n        .replace(/\\s/g, \"&nbsp;\")\n      )\n\n  /* Set up search keyboard handlers */\n  keyboard$\n    .pipe(\n      filter(({ mode }) => mode === \"search\")\n    )\n      .subscribe(key => {\n        switch (key.type) {\n\n          /* Right arrow: accept current suggestion */\n          case \"ArrowRight\":\n            if (\n              el.innerText.length &&\n              query.selectionStart === query.value.length\n            )\n              query.value = el.innerText\n            break\n        }\n      })\n\n  /* Filter search result message */\n  const result$ = worker$\n    .pipe(\n      filter(isSearchResultMessage),\n      map(({ data }) => data)\n    )\n\n  /* Create and return component */\n  return result$\n    .pipe(\n      tap(state => push$.next(state)),\n      finalize(() => push$.complete()),\n      map(() => ({ ref: el }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  NEVER,\n  Observable,\n  ObservableInput,\n  filter,\n  fromEvent,\n  merge,\n  mergeWith\n} from \"rxjs\"\n\nimport { configuration } from \"~/_\"\nimport {\n  Keyboard,\n  getActiveElement,\n  getElements,\n  setToggle\n} from \"~/browser\"\nimport {\n  SearchIndex,\n  SearchResult,\n  setupSearchWorker\n} from \"~/integrations\"\n\nimport {\n  Component,\n  getComponentElement,\n  getComponentElements\n} from \"../../_\"\nimport {\n  SearchQuery,\n  mountSearchQuery\n} from \"../query\"\nimport { mountSearchResult } from \"../result\"\nimport {\n  SearchShare,\n  mountSearchShare\n} from \"../share\"\nimport {\n  SearchSuggest,\n  mountSearchSuggest\n} from \"../suggest\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search\n */\nexport type Search =\n  | SearchQuery\n  | SearchResult\n  | SearchShare\n  | SearchSuggest\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  index$: ObservableInput<SearchIndex> /* Search index observable */\n  keyboard$: Observable<Keyboard>      /* Keyboard observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search\n *\n * This function sets up the search functionality, including the underlying\n * web worker and all keyboard bindings.\n *\n * @param el - Search element\n * @param options - Options\n *\n * @returns Search component observable\n */\nexport function mountSearch(\n  el: HTMLElement, { index$, keyboard$ }: MountOptions\n): Observable<Component<Search>> {\n  const config = configuration()\n  try {\n    const worker$ = setupSearchWorker(config.search, index$)\n\n    /* Retrieve query and result components */\n    const query  = getComponentElement(\"search-query\", el)\n    const result = getComponentElement(\"search-result\", el)\n\n    /* Always close search on result selection */\n    fromEvent<PointerEvent>(el, \"click\")\n      .pipe(\n        filter(({ target }) => (\n          target instanceof Element && !!target.closest(\"a\")\n        ))\n      )\n        .subscribe(() => setToggle(\"search\", false))\n\n    /* Set up search keyboard handlers */\n    keyboard$\n      .pipe(\n        filter(({ mode }) => mode === \"search\")\n      )\n        .subscribe(key => {\n          const active = getActiveElement()\n          switch (key.type) {\n\n            /* Enter: go to first (best) result */\n            case \"Enter\":\n              if (active === query) {\n                const anchors = new Map<HTMLAnchorElement, number>()\n                for (const anchor of getElements<HTMLAnchorElement>(\n                  \":first-child [href]\", result\n                )) {\n                  const article = anchor.firstElementChild!\n                  anchors.set(anchor, parseFloat(\n                    article.getAttribute(\"data-md-score\")!\n                  ))\n                }\n\n                /* Go to result with highest score, if any */\n                if (anchors.size) {\n                  const [[best]] = [...anchors].sort(([, a], [, b]) => b - a)\n                  best.click()\n                }\n\n                /* Otherwise omit form submission */\n                key.claim()\n              }\n              break\n\n            /* Escape or Tab: close search */\n            case \"Escape\":\n            case \"Tab\":\n              setToggle(\"search\", false)\n              query.blur()\n              break\n\n            /* Vertical arrows: select previous or next search result */\n            case \"ArrowUp\":\n            case \"ArrowDown\":\n              if (typeof active === \"undefined\") {\n                query.focus()\n              } else {\n                const els = [query, ...getElements(\n                  \":not(details) > [href], summary, details[open] [href]\",\n                  result\n                )]\n                const i = Math.max(0, (\n                  Math.max(0, els.indexOf(active)) + els.length + (\n                    key.type === \"ArrowUp\" ? -1 : +1\n                  )\n                ) % els.length)\n                els[i].focus()\n              }\n\n              /* Prevent scrolling of page */\n              key.claim()\n              break\n\n            /* All other keys: hand to search query */\n            default:\n              if (query !== getActiveElement())\n                query.focus()\n          }\n        })\n\n    /* Set up global keyboard handlers */\n    keyboard$\n      .pipe(\n        filter(({ mode }) => mode === \"global\")\n      )\n        .subscribe(key => {\n          switch (key.type) {\n\n            /* Open search and select query */\n            case \"f\":\n            case \"s\":\n            case \"/\":\n              query.focus()\n              query.select()\n\n              /* Prevent scrolling of page */\n              key.claim()\n              break\n          }\n        })\n\n    /* Create and return component */\n    const query$ = mountSearchQuery(query, { worker$ })\n    return merge(\n      query$,\n      mountSearchResult(result, { worker$, query$ })\n    )\n      .pipe(\n        mergeWith(\n\n          /* Search sharing */\n          ...getComponentElements(\"search-share\", el)\n            .map(child => mountSearchShare(child, { query$ })),\n\n          /* Search suggestions */\n          ...getComponentElements(\"search-suggest\", el)\n            .map(child => mountSearchSuggest(child, { worker$, keyboard$ }))\n        )\n      )\n\n  /* Gracefully handle broken search */\n  } catch (err) {\n    el.hidden = true\n    return NEVER\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  ObservableInput,\n  combineLatest,\n  filter,\n  map,\n  startWith\n} from \"rxjs\"\n\nimport { getLocation } from \"~/browser\"\nimport {\n  SearchIndex,\n  setupSearchHighlighter\n} from \"~/integrations\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlighting\n */\nexport interface SearchHighlight {\n  nodes: Map<ChildNode, string>        /* Map of replacements */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  index$: ObservableInput<SearchIndex> /* Search index observable */\n  location$: Observable<URL>           /* Location observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search highlighting\n *\n * @param el - Content element\n * @param options - Options\n *\n * @returns Search highlighting component observable\n */\nexport function mountSearchHiglight(\n  el: HTMLElement, { index$, location$ }: MountOptions\n): Observable<Component<SearchHighlight>> {\n  return combineLatest([\n    index$,\n    location$\n      .pipe(\n        startWith(getLocation()),\n        filter(url => !!url.searchParams.get(\"h\"))\n      )\n  ])\n    .pipe(\n      map(([index, url]) => setupSearchHighlighter(index.config)(\n        url.searchParams.get(\"h\")!\n      )),\n      map(fn => {\n        const nodes = new Map<ChildNode, string>()\n\n        /* Traverse text nodes and collect matches */\n        const it = document.createNodeIterator(el, NodeFilter.SHOW_TEXT)\n        for (let node = it.nextNode(); node; node = it.nextNode()) {\n          if (node.parentElement?.offsetHeight) {\n            const original = node.textContent!\n            const replaced = fn(original)\n            if (replaced.length > original.length)\n              nodes.set(node as ChildNode, replaced)\n          }\n        }\n\n        /* Replace original nodes with matches */\n        for (const [node, text] of nodes) {\n          const { childNodes } = h(\"span\", null, text)\n          node.replaceWith(...Array.from(childNodes))\n        }\n\n        /* Return component */\n        return { ref: el, nodes }\n      })\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  animationFrameScheduler,\n  asyncScheduler,\n  auditTime,\n  combineLatest,\n  defer,\n  distinctUntilChanged,\n  endWith,\n  finalize,\n  first,\n  from,\n  fromEvent,\n  ignoreElements,\n  map,\n  mergeMap,\n  observeOn,\n  takeUntil,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport {\n  Viewport,\n  getElement,\n  getElementOffset,\n  getElementSize,\n  getElements\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sidebar\n */\nexport interface Sidebar {\n  height: number                       /* Sidebar height */\n  locked: boolean                      /* Sidebar is locked */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n  main$: Observable<Main>              /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch sidebar\n *\n * This function returns an observable that computes the visual parameters of\n * the sidebar which depends on the vertical viewport offset, as well as the\n * height of the main area. When the page is scrolled beyond the header, the\n * sidebar is locked and fills the remaining space.\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar observable\n */\nexport function watchSidebar(\n  el: HTMLElement, { viewport$, main$ }: WatchOptions\n): Observable<Sidebar> {\n  const parent = el.closest<HTMLElement>(\".md-grid\")!\n  const adjust =\n    parent.offsetTop -\n    parent.parentElement!.offsetTop\n\n  /* Compute the sidebar's available height and if it should be locked */\n  return combineLatest([main$, viewport$])\n    .pipe(\n      map(([{ offset, height }, { offset: { y } }]) => {\n        height = height\n          + Math.min(adjust, Math.max(0, y - offset))\n          - adjust\n        return {\n          height,\n          locked: y >= offset + adjust\n        }\n      }),\n      distinctUntilChanged((a, b) => (\n        a.height === b.height &&\n        a.locked === b.locked\n      ))\n    )\n}\n\n/**\n * Mount sidebar\n *\n * This function doesn't set the height of the actual sidebar, but of its first\n * child \u2013 the `.md-sidebar__scrollwrap` element in order to mitigiate jittery\n * sidebars when the footer is scrolled into view. At some point we switched\n * from `absolute` / `fixed` positioning to `sticky` positioning, significantly\n * reducing jitter in some browsers (respectively Firefox and Safari) when\n * scrolling from the top. However, top-aligned sticky positioning means that\n * the sidebar snaps to the bottom when the end of the container is reached.\n * This is what leads to the mentioned jitter, as the sidebar's height may be\n * updated too slowly.\n *\n * This behaviour can be mitigiated by setting the height of the sidebar to `0`\n * while preserving the padding, and the height on its first element.\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar component observable\n */\nexport function mountSidebar(\n  el: HTMLElement, { header$, ...options }: MountOptions\n): Observable<Component<Sidebar>> {\n  const inner = getElement(\".md-sidebar__scrollwrap\", el)\n  const { y } = getElementOffset(inner)\n  return defer(() => {\n    const push$ = new Subject<Sidebar>()\n    const done$ = push$.pipe(ignoreElements(), endWith(true))\n    const next$ = push$\n      .pipe(\n        auditTime(0, animationFrameScheduler)\n      )\n\n    /* Update sidebar height and offset */\n    next$.pipe(withLatestFrom(header$))\n      .subscribe({\n\n        /* Handle emission */\n        next([{ height }, { height: offset }]) {\n          inner.style.height = `${height - 2 * y}px`\n          el.style.top       = `${offset}px`\n        },\n\n        /* Handle complete */\n        complete() {\n          inner.style.height = \"\"\n          el.style.top       = \"\"\n        }\n      })\n\n    /* Bring active item into view on initial load */\n    next$.pipe(first())\n      .subscribe(() => {\n        for (const item of getElements(\".md-nav__link--active[href]\", el)) {\n          if (!item.clientHeight) // skip invisible toc in left sidebar\n            continue\n          const container = item.closest<HTMLElement>(\".md-sidebar__scrollwrap\")!\n          if (typeof container !== \"undefined\") {\n            const offset = item.offsetTop - container.offsetTop\n            const { height } = getElementSize(container)\n            container.scrollTo({\n              top: offset - height / 2\n            })\n          }\n        }\n      })\n\n    /* Handle accessibility for expandable items, see https://bit.ly/3jaod9p */\n    from(getElements<HTMLLabelElement>(\"label[tabindex]\", el))\n      .pipe(\n        mergeMap(label => fromEvent(label, \"click\")\n          .pipe(\n            observeOn(asyncScheduler),\n            map(() => label),\n            takeUntil(done$)\n          )\n        )\n      )\n        .subscribe(label => {\n          const input = getElement<HTMLInputElement>(`[id=\"${label.htmlFor}\"]`)\n          const nav = getElement(`[aria-labelledby=\"${label.id}\"]`)\n          nav.setAttribute(\"aria-expanded\", `${input.checked}`)\n        })\n\n    /* Create and return component */\n    return watchSidebar(el, options)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Repo, User } from \"github-types\"\nimport {\n  EMPTY,\n  Observable,\n  catchError,\n  defaultIfEmpty,\n  map,\n  zip\n} from \"rxjs\"\n\nimport { requestJSON } from \"~/browser\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * GitHub release (partial)\n */\ninterface Release {\n  tag_name: string                     /* Tag name */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitHub repository facts\n *\n * @param user - GitHub user or organization\n * @param repo - GitHub repository\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitHub(\n  user: string, repo?: string\n): Observable<SourceFacts> {\n  if (typeof repo !== \"undefined\") {\n    const url = `https://api.github.com/repos/${user}/${repo}`\n    return zip(\n\n      /* Fetch version */\n      requestJSON<Release>(`${url}/releases/latest`)\n        .pipe(\n          catchError(() => EMPTY), // @todo refactor instant loading\n          map(release => ({\n            version: release.tag_name\n          })),\n          defaultIfEmpty({})\n        ),\n\n      /* Fetch stars and forks */\n      requestJSON<Repo>(url)\n        .pipe(\n          catchError(() => EMPTY), // @todo refactor instant loading\n          map(info => ({\n            stars: info.stargazers_count,\n            forks: info.forks_count\n          })),\n          defaultIfEmpty({})\n        )\n    )\n      .pipe(\n        map(([release, info]) => ({ ...release, ...info }))\n      )\n\n  /* User or organization */\n  } else {\n    const url = `https://api.github.com/users/${user}`\n    return requestJSON<User>(url)\n      .pipe(\n        map(info => ({\n          repositories: info.public_repos\n        })),\n        defaultIfEmpty({})\n      )\n  }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ProjectSchema } from \"gitlab\"\nimport {\n  EMPTY,\n  Observable,\n  catchError,\n  defaultIfEmpty,\n  map,\n  zip\n} from \"rxjs\"\n\nimport { requestJSON } from \"~/browser\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * GitLab release (partial)\n */\ninterface Release { // @todo remove and use the ReleaseSchema type instead after switching from gitlab to @gitbeaker/rest\n  tag_name: string                     /* Tag name */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitLab repository facts\n *\n * @param base - GitLab base\n * @param project - GitLab project\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitLab(\n  base: string, project: string\n): Observable<SourceFacts> {\n  const url = `https://${base}/api/v4/projects/${encodeURIComponent(project)}`\n  return zip(\n\n    /* Fetch version */\n    requestJSON<Release>(`${url}/releases/permalink/latest`)\n      .pipe(\n        catchError(() => EMPTY), // @todo refactor instant loading\n        map(({ tag_name }) => ({\n          version: tag_name\n        })),\n        defaultIfEmpty({})\n      ),\n\n    /* Fetch stars and forks */\n    requestJSON<ProjectSchema>(url)\n      .pipe(\n        catchError(() => EMPTY), // @todo refactor instant loading\n        map(({ star_count, forks_count }) => ({\n          stars: star_count,\n          forks: forks_count\n        })),\n        defaultIfEmpty({})\n      )\n  )\n    .pipe(\n      map(([release, info]) => ({ ...release, ...info }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { EMPTY, Observable } from \"rxjs\"\n\nimport { fetchSourceFactsFromGitHub } from \"../github\"\nimport { fetchSourceFactsFromGitLab } from \"../gitlab\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository facts for repositories\n */\nexport interface RepositoryFacts {\n  stars?: number                       /* Number of stars */\n  forks?: number                       /* Number of forks */\n  version?: string                     /* Latest version */\n}\n\n/**\n * Repository facts for organizations\n */\nexport interface OrganizationFacts {\n  repositories?: number                /* Number of repositories */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Repository facts\n */\nexport type SourceFacts =\n  | RepositoryFacts\n  | OrganizationFacts\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch repository facts\n *\n * @param url - Repository URL\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFacts(\n  url: string\n): Observable<SourceFacts> {\n\n  /* Try to match GitHub repository */\n  let match = url.match(/^.+github\\.com\\/([^/]+)\\/?([^/]+)?/i)\n  if (match) {\n    const [, user, repo] = match\n    return fetchSourceFactsFromGitHub(user, repo)\n  }\n\n  /* Try to match GitLab repository */\n  match = url.match(/^.+?([^/]*gitlab[^/]+)\\/(.+?)\\/?$/i)\n  if (match) {\n    const [, base, slug] = match\n    return fetchSourceFactsFromGitLab(base, slug)\n  }\n\n  /* Fallback */\n  return EMPTY\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  Subject,\n  catchError,\n  defer,\n  filter,\n  finalize,\n  map,\n  of,\n  shareReplay,\n  tap\n} from \"rxjs\"\n\nimport { getElement } from \"~/browser\"\nimport { ConsentDefaults } from \"~/components/consent\"\nimport { renderSourceFacts } from \"~/templates\"\n\nimport {\n  Component,\n  getComponentElements\n} from \"../../_\"\nimport {\n  SourceFacts,\n  fetchSourceFacts\n} from \"../facts\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information\n */\nexport interface Source {\n  facts: SourceFacts                   /* Repository facts */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information observable\n */\nlet fetch$: Observable<Source>\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch repository information\n *\n * This function tries to read the repository facts from session storage, and\n * if unsuccessful, fetches them from the underlying provider.\n *\n * @param el - Repository information element\n *\n * @returns Repository information observable\n */\nexport function watchSource(\n  el: HTMLAnchorElement\n): Observable<Source> {\n  return fetch$ ||= defer(() => {\n    const cached = __md_get<SourceFacts>(\"__source\", sessionStorage)\n    if (cached) {\n      return of(cached)\n    } else {\n\n      /* Check if consent is configured and was given */\n      const els = getComponentElements(\"consent\")\n      if (els.length) {\n        const consent = __md_get<ConsentDefaults>(\"__consent\")\n        if (!(consent && consent.github))\n          return EMPTY\n      }\n\n      /* Fetch repository facts */\n      return fetchSourceFacts(el.href)\n        .pipe(\n          tap(facts => __md_set(\"__source\", facts, sessionStorage))\n        )\n    }\n  })\n    .pipe(\n      catchError(() => EMPTY),\n      filter(facts => Object.keys(facts).length > 0),\n      map(facts => ({ facts })),\n      shareReplay(1)\n    )\n}\n\n/**\n * Mount repository information\n *\n * @param el - Repository information element\n *\n * @returns Repository information component observable\n */\nexport function mountSource(\n  el: HTMLAnchorElement\n): Observable<Component<Source>> {\n  const inner = getElement(\":scope > :last-child\", el)\n  return defer(() => {\n    const push$ = new Subject<Source>()\n    push$.subscribe(({ facts }) => {\n      inner.appendChild(renderSourceFacts(facts))\n      inner.classList.add(\"md-source__repository--active\")\n    })\n\n    /* Create and return component */\n    return watchSource(el)\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  defer,\n  distinctUntilKeyChanged,\n  finalize,\n  map,\n  of,\n  switchMap,\n  tap\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  watchElementSize,\n  watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation tabs\n */\nexport interface Tabs {\n  hidden: boolean                      /* Navigation tabs are hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch navigation tabs\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs observable\n */\nexport function watchTabs(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<Tabs> {\n  return watchElementSize(document.body)\n    .pipe(\n      switchMap(() => watchViewportAt(el, { header$, viewport$ })),\n      map(({ offset: { y } }) => {\n        return {\n          hidden: y >= 10\n        }\n      }),\n      distinctUntilKeyChanged(\"hidden\")\n    )\n}\n\n/**\n * Mount navigation tabs\n *\n * This function hides the navigation tabs when scrolling past the threshold\n * and makes them reappear in a nice CSS animation when scrolling back up.\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs component observable\n */\nexport function mountTabs(\n  el: HTMLElement, options: MountOptions\n): Observable<Component<Tabs>> {\n  return defer(() => {\n    const push$ = new Subject<Tabs>()\n    push$.subscribe({\n\n      /* Handle emission */\n      next({ hidden }) {\n        el.hidden = hidden\n      },\n\n      /* Handle complete */\n      complete() {\n        el.hidden = false\n      }\n    })\n\n    /* Create and return component */\n    return (\n      feature(\"navigation.tabs.sticky\")\n        ? of({ hidden: false })\n        : watchTabs(el, options)\n    )\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  asyncScheduler,\n  bufferCount,\n  combineLatestWith,\n  debounceTime,\n  defer,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  endWith,\n  filter,\n  finalize,\n  ignoreElements,\n  map,\n  merge,\n  observeOn,\n  of,\n  repeat,\n  scan,\n  share,\n  skip,\n  startWith,\n  switchMap,\n  takeUntil,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  getElement,\n  getElementContainer,\n  getElementSize,\n  getElements,\n  getLocation,\n  getOptionalElement,\n  watchElementSize\n} from \"~/browser\"\n\nimport {\n  Component,\n  getComponentElement\n} from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Table of contents\n */\nexport interface TableOfContents {\n  prev: HTMLAnchorElement[][]          /* Anchors (previous) */\n  next: HTMLAnchorElement[][]          /* Anchors (next) */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n  main$: Observable<Main>              /* Main area observable */\n  target$: Observable<HTMLElement>     /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch table of contents\n *\n * This is effectively a scroll spy implementation which will account for the\n * fixed header and automatically re-calculate anchor offsets when the viewport\n * is resized. The returned observable will only emit if the table of contents\n * needs to be repainted.\n *\n * This implementation tracks an anchor element's entire path starting from its\n * level up to the top-most anchor element, e.g. `[h3, h2, h1]`. Although the\n * Material theme currently doesn't make use of this information, it enables\n * the styling of the entire hierarchy through customization.\n *\n * Note that the current anchor is the last item of the `prev` anchor list.\n *\n * @param el - Table of contents element\n * @param options - Options\n *\n * @returns Table of contents observable\n */\nexport function watchTableOfContents(\n  el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable<TableOfContents> {\n  const table = new Map<HTMLAnchorElement, HTMLElement>()\n\n  /* Compute anchor-to-target mapping */\n  const anchors = getElements<HTMLAnchorElement>(\".md-nav__link\", el)\n  for (const anchor of anchors) {\n    const id = decodeURIComponent(anchor.hash.substring(1))\n    const target = getOptionalElement(`[id=\"${id}\"]`)\n    if (typeof target !== \"undefined\")\n      table.set(anchor, target)\n  }\n\n  /* Compute necessary adjustment for header */\n  const adjust$ = header$\n    .pipe(\n      distinctUntilKeyChanged(\"height\"),\n      map(({ height }) => {\n        const main = getComponentElement(\"main\")\n        const grid = getElement(\":scope > :first-child\", main)\n        return height + 0.8 * (\n          grid.offsetTop -\n          main.offsetTop\n        )\n      }),\n      share()\n    )\n\n  /* Compute partition of previous and next anchors */\n  const partition$ = watchElementSize(document.body)\n    .pipe(\n      distinctUntilKeyChanged(\"height\"),\n\n      /* Build index to map anchor paths to vertical offsets */\n      switchMap(body => defer(() => {\n        let path: HTMLAnchorElement[] = []\n        return of([...table].reduce((index, [anchor, target]) => {\n          while (path.length) {\n            const last = table.get(path[path.length - 1])!\n            if (last.tagName >= target.tagName) {\n              path.pop()\n            } else {\n              break\n            }\n          }\n\n          /* If the current anchor is hidden, continue with its parent */\n          let offset = target.offsetTop\n          while (!offset && target.parentElement) {\n            target = target.parentElement\n            offset = target.offsetTop\n          }\n\n          /* Fix anchor offsets in tables - see https://bit.ly/3CUFOcn */\n          let parent = target.offsetParent as HTMLElement\n          for (; parent; parent = parent.offsetParent as HTMLElement)\n            offset += parent.offsetTop\n\n          /* Map reversed anchor path to vertical offset */\n          return index.set(\n            [...path = [...path, anchor]].reverse(),\n            offset\n          )\n        }, new Map<HTMLAnchorElement[], number>()))\n      })\n        .pipe(\n\n          /* Sort index by vertical offset (see https://bit.ly/30z6QSO) */\n          map(index => new Map([...index].sort(([, a], [, b]) => a - b))),\n          combineLatestWith(adjust$),\n\n          /* Re-compute partition when viewport offset changes */\n          switchMap(([index, adjust]) => viewport$\n            .pipe(\n              scan(([prev, next], { offset: { y }, size }) => {\n                const last = y + size.height >= Math.floor(body.height)\n\n                /* Look forward */\n                while (next.length) {\n                  const [, offset] = next[0]\n                  if (offset - adjust < y || last) {\n                    prev = [...prev, next.shift()!]\n                  } else {\n                    break\n                  }\n                }\n\n                /* Look backward */\n                while (prev.length) {\n                  const [, offset] = prev[prev.length - 1]\n                  if (offset - adjust >= y && !last) {\n                    next = [prev.pop()!, ...next]\n                  } else {\n                    break\n                  }\n                }\n\n                /* Return partition */\n                return [prev, next]\n              }, [[], [...index]]),\n              distinctUntilChanged((a, b) => (\n                a[0] === b[0] &&\n                a[1] === b[1]\n              ))\n            )\n          )\n        )\n      )\n    )\n\n  /* Compute and return anchor list migrations */\n  return partition$\n    .pipe(\n      map(([prev, next]) => ({\n        prev: prev.map(([path]) => path),\n        next: next.map(([path]) => path)\n      })),\n\n      /* Extract anchor list migrations */\n      startWith({ prev: [], next: [] }),\n      bufferCount(2, 1),\n      map(([a, b]) => {\n\n        /* Moving down */\n        if (a.prev.length < b.prev.length) {\n          return {\n            prev: b.prev.slice(Math.max(0, a.prev.length - 1), b.prev.length),\n            next: []\n          }\n\n        /* Moving up */\n        } else {\n          return {\n            prev: b.prev.slice(-1),\n            next: b.next.slice(0, b.next.length - a.next.length)\n          }\n        }\n      })\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount table of contents\n *\n * @param el - Table of contents element\n * @param options - Options\n *\n * @returns Table of contents component observable\n */\nexport function mountTableOfContents(\n  el: HTMLElement, { viewport$, header$, main$, target$ }: MountOptions\n): Observable<Component<TableOfContents>> {\n  return defer(() => {\n    const push$ = new Subject<TableOfContents>()\n    const done$ = push$.pipe(ignoreElements(), endWith(true))\n    push$.subscribe(({ prev, next }) => {\n\n      /* Look forward */\n      for (const [anchor] of next) {\n        anchor.classList.remove(\"md-nav__link--passed\")\n        anchor.classList.remove(\"md-nav__link--active\")\n      }\n\n      /* Look backward */\n      for (const [index, [anchor]] of prev.entries()) {\n        anchor.classList.add(\"md-nav__link--passed\")\n        anchor.classList.toggle(\n          \"md-nav__link--active\",\n          index === prev.length - 1\n        )\n      }\n    })\n\n    /* Set up following, if enabled */\n    if (feature(\"toc.follow\")) {\n\n      /* Toggle smooth scrolling only for anchor clicks */\n      const smooth$ = merge(\n        viewport$.pipe(debounceTime(1), map(() => undefined)),\n        viewport$.pipe(debounceTime(250), map(() => \"smooth\" as const))\n      )\n\n      /* Bring active anchor into view */ // @todo: refactor\n      push$\n        .pipe(\n          filter(({ prev }) => prev.length > 0),\n          combineLatestWith(main$.pipe(observeOn(asyncScheduler))),\n          withLatestFrom(smooth$)\n        )\n          .subscribe(([[{ prev }], behavior]) => {\n            const [anchor] = prev[prev.length - 1]\n            if (anchor.offsetHeight) {\n\n              /* Retrieve overflowing container and scroll */\n              const container = getElementContainer(anchor)\n              if (typeof container !== \"undefined\") {\n                const offset = anchor.offsetTop - container.offsetTop\n                const { height } = getElementSize(container)\n                container.scrollTo({\n                  top: offset - height / 2,\n                  behavior\n                })\n              }\n            }\n          })\n    }\n\n    /* Set up anchor tracking, if enabled */\n    if (feature(\"navigation.tracking\"))\n      viewport$\n        .pipe(\n          takeUntil(done$),\n          distinctUntilKeyChanged(\"offset\"),\n          debounceTime(250),\n          skip(1),\n          takeUntil(target$.pipe(skip(1))),\n          repeat({ delay: 250 }),\n          withLatestFrom(push$)\n        )\n          .subscribe(([, { prev }]) => {\n            const url = getLocation()\n\n            /* Set hash fragment to active anchor */\n            const anchor = prev[prev.length - 1]\n            if (anchor && anchor.length) {\n              const [active] = anchor\n              const { hash } = new URL(active.href)\n              if (url.hash !== hash) {\n                url.hash = hash\n                history.replaceState({}, \"\", `${url}`)\n              }\n\n            /* Reset anchor when at the top */\n            } else {\n              url.hash = \"\"\n              history.replaceState({}, \"\", `${url}`)\n            }\n          })\n\n    /* Create and return component */\n    return watchTableOfContents(el, { viewport$, header$ })\n      .pipe(\n        tap(state => push$.next(state)),\n        finalize(() => push$.complete()),\n        map(state => ({ ref: el, ...state }))\n      )\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  Subject,\n  bufferCount,\n  combineLatest,\n  distinctUntilChanged,\n  distinctUntilKeyChanged,\n  endWith,\n  finalize,\n  fromEvent,\n  ignoreElements,\n  map,\n  repeat,\n  skip,\n  takeUntil,\n  tap\n} from \"rxjs\"\n\nimport { Viewport } from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Back-to-top button\n */\nexport interface BackToTop {\n  hidden: boolean                      /* Back-to-top button is hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  main$: Observable<Main>              /* Main area observable */\n  target$: Observable<HTMLElement>     /* Location target observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  header$: Observable<Header>          /* Header observable */\n  main$: Observable<Main>              /* Main area observable */\n  target$: Observable<HTMLElement>     /* Location target observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch back-to-top\n *\n * @param _el - Back-to-top element\n * @param options - Options\n *\n * @returns Back-to-top observable\n */\nexport function watchBackToTop(\n  _el: HTMLElement, { viewport$, main$, target$ }: WatchOptions\n): Observable<BackToTop> {\n\n  /* Compute direction */\n  const direction$ = viewport$\n    .pipe(\n      map(({ offset: { y } }) => y),\n      bufferCount(2, 1),\n      map(([a, b]) => a > b && b > 0),\n      distinctUntilChanged()\n    )\n\n  /* Compute whether main area is active */\n  const active$ = main$\n    .pipe(\n      map(({ active }) => active)\n    )\n\n  /* Compute threshold for hiding */\n  return combineLatest([active$, direction$])\n    .pipe(\n      map(([active, direction]) => !(active && direction)),\n      distinctUntilChanged(),\n      takeUntil(target$.pipe(skip(1))),\n      endWith(true),\n      repeat({ delay: 250 }),\n      map(hidden => ({ hidden }))\n    )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount back-to-top\n *\n * @param el - Back-to-top element\n * @param options - Options\n *\n * @returns Back-to-top component observable\n */\nexport function mountBackToTop(\n  el: HTMLElement, { viewport$, header$, main$, target$ }: MountOptions\n): Observable<Component<BackToTop>> {\n  const push$ = new Subject<BackToTop>()\n  const done$ = push$.pipe(ignoreElements(), endWith(true))\n  push$.subscribe({\n\n    /* Handle emission */\n    next({ hidden }) {\n      el.hidden = hidden\n      if (hidden) {\n        el.setAttribute(\"tabindex\", \"-1\")\n        el.blur()\n      } else {\n        el.removeAttribute(\"tabindex\")\n      }\n    },\n\n    /* Handle complete */\n    complete() {\n      el.style.top = \"\"\n      el.hidden = true\n      el.removeAttribute(\"tabindex\")\n    }\n  })\n\n  /* Watch header height */\n  header$\n    .pipe(\n      takeUntil(done$),\n      distinctUntilKeyChanged(\"height\")\n    )\n      .subscribe(({ height }) => {\n        el.style.top = `${height + 16}px`\n      })\n\n  /* Go back to top */\n  fromEvent(el, \"click\")\n    .subscribe(ev => {\n      ev.preventDefault()\n      window.scrollTo({ top: 0 })\n    })\n\n  /* Create and return component */\n  return watchBackToTop(el, { viewport$, main$, target$ })\n    .pipe(\n      tap(state => push$.next(state)),\n      finalize(() => push$.complete()),\n      map(state => ({ ref: el, ...state }))\n    )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  EMPTY,\n  Observable,\n  filter,\n  finalize,\n  map,\n  mergeMap,\n  skip,\n  switchMap,\n  take,\n  takeUntil\n} from \"rxjs\"\n\nimport { feature } from \"~/_\"\nimport {\n  Viewport,\n  getElements,\n  watchElementVisibility\n} from \"~/browser\"\nimport { mountInlineTooltip2 } from \"~/components/tooltip2\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  document$: Observable<Document>      /* Document observable */\n  viewport$: Observable<Viewport>      /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch ellipsis\n *\n * This function will fetch all elements that are shortened with ellipsis, and\n * filter those which are visible. Once they become visible, they stay in that\n * state, even though they may be hidden again. This optimization is necessary\n * to reduce pressure on the browser, with elements fading in and out of view.\n *\n * @param options - Options\n */\nexport function patchEllipsis(\n  { document$, viewport$ }: PatchOptions\n): void {\n  document$\n    .pipe(\n      switchMap(() => getElements(\".md-ellipsis\")),\n      mergeMap(el => watchElementVisibility(el)\n        .pipe(\n          takeUntil(document$.pipe(skip(1))),\n          filter(visible => visible),\n          map(() => el),\n          take(1)\n        )\n      ),\n      filter(el => el.offsetWidth < el.scrollWidth),\n      mergeMap(el => {\n        const text = el.innerText\n        const host = el.closest(\"a\") || el\n        host.title = text\n\n        // Do not mount improved tooltip if feature is disabled\n        if (!feature(\"content.tooltips\"))\n          return EMPTY\n\n        /* Mount tooltip */\n        return mountInlineTooltip2(host, { viewport$ })\n          .pipe(\n            takeUntil(document$.pipe(skip(1))),\n            finalize(() => host.removeAttribute(\"title\"))\n          )\n      })\n    )\n      .subscribe()\n\n  // @todo move this outside of here and fix memleaks\n  if (feature(\"content.tooltips\"))\n    document$\n      .pipe(\n        switchMap(() => getElements(\".md-status\")),\n        mergeMap(el => mountInlineTooltip2(el, { viewport$ }))\n      )\n        .subscribe()\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  fromEvent,\n  map,\n  mergeMap,\n  switchMap,\n  takeWhile,\n  tap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  document$: Observable<Document>      /* Document observable */\n  tablet$: Observable<boolean>         /* Media tablet observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch indeterminate checkboxes\n *\n * This function replaces the indeterminate \"pseudo state\" with the actual\n * indeterminate state, which is used to keep navigation always expanded.\n *\n * @param options - Options\n */\nexport function patchIndeterminate(\n  { document$, tablet$ }: PatchOptions\n): void {\n  document$\n    .pipe(\n      switchMap(() => getElements<HTMLInputElement>(\n        \".md-toggle--indeterminate\"\n      )),\n      tap(el => {\n        el.indeterminate = true\n        el.checked = false\n      }),\n      mergeMap(el => fromEvent(el, \"change\")\n        .pipe(\n          takeWhile(() => el.classList.contains(\"md-toggle--indeterminate\")),\n          map(() => el)\n        )\n      ),\n      withLatestFrom(tablet$)\n    )\n      .subscribe(([el, tablet]) => {\n        el.classList.remove(\"md-toggle--indeterminate\")\n        if (tablet)\n          el.checked = false\n      })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  filter,\n  fromEvent,\n  map,\n  mergeMap,\n  switchMap,\n  tap\n} from \"rxjs\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  document$: Observable<Document>      /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether the given device is an Apple device\n *\n * @returns Test result\n */\nfunction isAppleDevice(): boolean {\n  return /(iPad|iPhone|iPod)/.test(navigator.userAgent)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all elements with `data-md-scrollfix` attributes\n *\n * This is a year-old patch which ensures that overflow scrolling works at the\n * top and bottom of containers on iOS by ensuring a `1px` scroll offset upon\n * the start of a touch event.\n *\n * @see https://bit.ly/2SCtAOO - Original source\n *\n * @param options - Options\n */\nexport function patchScrollfix(\n  { document$ }: PatchOptions\n): void {\n  document$\n    .pipe(\n      switchMap(() => getElements(\"[data-md-scrollfix]\")),\n      tap(el => el.removeAttribute(\"data-md-scrollfix\")),\n      filter(isAppleDevice),\n      mergeMap(el => fromEvent(el, \"touchstart\")\n        .pipe(\n          map(() => el)\n        )\n      )\n    )\n      .subscribe(el => {\n        const top = el.scrollTop\n\n        /* We're at the top of the container */\n        if (top === 0) {\n          el.scrollTop = 1\n\n        /* We're at the bottom of the container */\n        } else if (top + el.offsetHeight === el.scrollHeight) {\n          el.scrollTop = top - 1\n        }\n      })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  Observable,\n  combineLatest,\n  delay,\n  map,\n  of,\n  switchMap,\n  withLatestFrom\n} from \"rxjs\"\n\nimport {\n  Viewport,\n  watchToggle\n} from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n  viewport$: Observable<Viewport>      /* Viewport observable */\n  tablet$: Observable<boolean>         /* Media tablet observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch the document body to lock when search is open\n *\n * For mobile and tablet viewports, the search is rendered full screen, which\n * leads to scroll leaking when at the top or bottom of the search result. This\n * function locks the body when the search is in full screen mode, and restores\n * the scroll position when leaving.\n *\n * @param options - Options\n */\nexport function patchScrolllock(\n  { viewport$, tablet$ }: PatchOptions\n): void {\n  combineLatest([watchToggle(\"search\"), tablet$])\n    .pipe(\n      map(([active, tablet]) => active && !tablet),\n      switchMap(active => of(active)\n        .pipe(\n          delay(active ? 400 : 100)\n        )\n      ),\n      withLatestFrom(viewport$)\n    )\n      .subscribe(([active, { offset: { y }}]) => {\n        if (active) {\n          document.body.setAttribute(\"data-md-scrolllock\", \"\")\n          document.body.style.top = `-${y}px`\n        } else {\n          const value = -1 * parseInt(document.body.style.top, 10)\n          document.body.removeAttribute(\"data-md-scrolllock\")\n          document.body.style.top = \"\"\n          if (value)\n            window.scrollTo(0, value)\n        }\n      })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Polyfills\n * ------------------------------------------------------------------------- */\n\n/* Polyfill `Object.entries` */\nif (!Object.entries)\n  Object.entries = function (obj: object) {\n    const data: [string, string][] = []\n    for (const key of Object.keys(obj))\n      // @ts-expect-error - ignore property access warning\n      data.push([key, obj[key]])\n\n    /* Return entries */\n    return data\n  }\n\n/* Polyfill `Object.values` */\nif (!Object.values)\n  Object.values = function (obj: object) {\n    const data: string[] = []\n    for (const key of Object.keys(obj))\n      // @ts-expect-error - ignore property access warning\n      data.push(obj[key])\n\n    /* Return values */\n    return data\n  }\n\n/* ------------------------------------------------------------------------- */\n\n/* Polyfills for `Element` */\nif (typeof Element !== \"undefined\") {\n\n  /* Polyfill `Element.scrollTo` */\n  if (!Element.prototype.scrollTo)\n    Element.prototype.scrollTo = function (\n      x?: ScrollToOptions | number, y?: number\n    ): void {\n      if (typeof x === \"object\") {\n        this.scrollLeft = x.left!\n        this.scrollTop = x.top!\n      } else {\n        this.scrollLeft = x!\n        this.scrollTop = y!\n      }\n    }\n\n  /* Polyfill `Element.replaceWith` */\n  if (!Element.prototype.replaceWith)\n    Element.prototype.replaceWith = function (\n      ...nodes: Array<string | Node>\n    ): void {\n      const parent = this.parentNode\n      if (parent) {\n        if (nodes.length === 0)\n          parent.removeChild(this)\n\n        /* Replace children and create text nodes */\n        for (let i = nodes.length - 1; i >= 0; i--) {\n          let node = nodes[i]\n          if (typeof node === \"string\")\n            node = document.createTextNode(node)\n          else if (node.parentNode)\n            node.parentNode.removeChild(node)\n\n          /* Replace child or insert before previous sibling */\n          if (!i)\n            parent.replaceChild(node, this)\n          else\n            parent.insertBefore(this.previousSibling!, node)\n        }\n      }\n    }\n}\n"],
-  "mappings": 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"mountAnnounce", "mountContent", "mountSearchHiglight", "EMPTY", "mountHeader", "mountHeaderTitle", "at", "mountSidebar", "mountTabs", "mountTableOfContents", "mountBackToTop", "component$", "mergeWith"]
-}
diff --git a/dev/assets/javascripts/workers/search.973d3a69.min.js b/dev/assets/javascripts/workers/search.7a47a382.min.js
similarity index 89%
rename from dev/assets/javascripts/workers/search.973d3a69.min.js
rename to dev/assets/javascripts/workers/search.7a47a382.min.js
index 01385edc..b2cb9b06 100644
--- a/dev/assets/javascripts/workers/search.973d3a69.min.js
+++ b/dev/assets/javascripts/workers/search.7a47a382.min.js
@@ -1,4 +1,4 @@
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  * Copyright (C) 2020 Oliver Nightingale
  * @license MIT
@@ -22,7 +22,7 @@
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  * Copyright (C) 2020 Oliver Nightingale
  * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt
- */t.stemmer=(function(){var e={ational:"ate",tional:"tion",enci:"ence",anci:"ance",izer:"ize",bli:"ble",alli:"al",entli:"ent",eli:"e",ousli:"ous",ization:"ize",ation:"ate",ator:"ate",alism:"al",iveness:"ive",fulness:"ful",ousness:"ous",aliti:"al",iviti:"ive",biliti:"ble",logi:"log"},r={icate:"ic",ative:"",alize:"al",iciti:"ic",ical:"ic",ful:"",ness:""},n="[^aeiou]",i="[aeiouy]",s=n+"[^aeiouy]*",o=i+"[aeiou]*",a="^("+s+")?"+o+s,u="^("+s+")?"+o+s+"("+o+")?$",c="^("+s+")?"+o+s+o+s,f="^("+s+")?"+i,g=new RegExp(a),l=new RegExp(c),m=new RegExp(u),x=new RegExp(f),v=/^(.+?)(ss|i)es$/,d=/^(.+?)([^s])s$/,y=/^(.+?)eed$/,b=/^(.+?)(ed|ing)$/,E=/.$/,w=/(at|bl|iz)$/,R=new RegExp("([^aeiouylsz])\\1$"),j=new RegExp("^"+s+i+"[^aeiouwxy]$"),_=/^(.+?[^aeiou])y$/,D=/^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/,N=/^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/,C=/^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/,V=/^(.+?)(s|t)(ion)$/,P=/^(.+?)e$/,z=/ll$/,$=new RegExp("^"+s+i+"[^aeiouwxy]$"),M=function(h){var S,k,L,p,T,O,F;if(h.length<3)return h;if(L=h.substr(0,1),L=="y"&&(h=L.toUpperCase()+h.substr(1)),p=v,T=d,p.test(h)?h=h.replace(p,"$1$2"):T.test(h)&&(h=h.replace(T,"$1$2")),p=y,T=b,p.test(h)){var Q=p.exec(h);p=g,p.test(Q[1])&&(p=E,h=h.replace(p,""))}else if(T.test(h)){var Q=T.exec(h);S=Q[1],T=x,T.test(S)&&(h=S,T=w,O=R,F=j,T.test(h)?h=h+"e":O.test(h)?(p=E,h=h.replace(p,"")):F.test(h)&&(h=h+"e"))}if(p=_,p.test(h)){var Q=p.exec(h);S=Q[1],h=S+"i"}if(p=D,p.test(h)){var Q=p.exec(h);S=Q[1],k=Q[2],p=g,p.test(S)&&(h=S+e[k])}if(p=N,p.test(h)){var Q=p.exec(h);S=Q[1],k=Q[2],p=g,p.test(S)&&(h=S+r[k])}if(p=C,T=V,p.test(h)){var Q=p.exec(h);S=Q[1],p=l,p.test(S)&&(h=S)}else if(T.test(h)){var Q=T.exec(h);S=Q[1]+Q[2],T=l,T.test(S)&&(h=S)}if(p=P,p.test(h)){var Q=p.exec(h);S=Q[1],p=l,T=m,O=$,(p.test(S)||T.test(S)&&!O.test(S))&&(h=S)}return p=z,T=l,p.test(h)&&T.test(h)&&(p=E,h=h.replace(p,"")),L=="y"&&(h=L.toLowerCase()+h.substr(1)),h};return function(I){return I.update(M)}})(),t.Pipeline.registerFunction(t.stemmer,"stemmer");/*!
+ */t.stemmer=(function(){var e={ational:"ate",tional:"tion",enci:"ence",anci:"ance",izer:"ize",bli:"ble",alli:"al",entli:"ent",eli:"e",ousli:"ous",ization:"ize",ation:"ate",ator:"ate",alism:"al",iveness:"ive",fulness:"ful",ousness:"ous",aliti:"al",iviti:"ive",biliti:"ble",logi:"log"},r={icate:"ic",ative:"",alize:"al",iciti:"ic",ical:"ic",ful:"",ness:""},n="[^aeiou]",i="[aeiouy]",s=n+"[^aeiouy]*",o=i+"[aeiou]*",a="^("+s+")?"+o+s,u="^("+s+")?"+o+s+"("+o+")?$",c="^("+s+")?"+o+s+o+s,f="^("+s+")?"+i,g=new RegExp(a),l=new RegExp(c),m=new RegExp(u),x=new RegExp(f),v=/^(.+?)(ss|i)es$/,d=/^(.+?)([^s])s$/,y=/^(.+?)eed$/,b=/^(.+?)(ed|ing)$/,E=/.$/,w=/(at|bl|iz)$/,R=new RegExp("([^aeiouylsz])\\1$"),j=new RegExp("^"+s+i+"[^aeiouwxy]$"),C=/^(.+?[^aeiou])y$/,D=/^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/,N=/^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/,M=/^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/,V=/^(.+?)(s|t)(ion)$/,P=/^(.+?)e$/,z=/ll$/,$=new RegExp("^"+s+i+"[^aeiouwxy]$"),A=function(h){var S,k,L,p,T,O,F;if(h.length<3)return h;if(L=h.substr(0,1),L=="y"&&(h=L.toUpperCase()+h.substr(1)),p=v,T=d,p.test(h)?h=h.replace(p,"$1$2"):T.test(h)&&(h=h.replace(T,"$1$2")),p=y,T=b,p.test(h)){var Q=p.exec(h);p=g,p.test(Q[1])&&(p=E,h=h.replace(p,""))}else if(T.test(h)){var Q=T.exec(h);S=Q[1],T=x,T.test(S)&&(h=S,T=w,O=R,F=j,T.test(h)?h=h+"e":O.test(h)?(p=E,h=h.replace(p,"")):F.test(h)&&(h=h+"e"))}if(p=C,p.test(h)){var Q=p.exec(h);S=Q[1],h=S+"i"}if(p=D,p.test(h)){var Q=p.exec(h);S=Q[1],k=Q[2],p=g,p.test(S)&&(h=S+e[k])}if(p=N,p.test(h)){var Q=p.exec(h);S=Q[1],k=Q[2],p=g,p.test(S)&&(h=S+r[k])}if(p=M,T=V,p.test(h)){var Q=p.exec(h);S=Q[1],p=l,p.test(S)&&(h=S)}else if(T.test(h)){var Q=T.exec(h);S=Q[1]+Q[2],T=l,T.test(S)&&(h=S)}if(p=P,p.test(h)){var Q=p.exec(h);S=Q[1],p=l,T=m,O=$,(p.test(S)||T.test(S)&&!O.test(S))&&(h=S)}return p=z,T=l,p.test(h)&&T.test(h)&&(p=E,h=h.replace(p,"")),L=="y"&&(h=L.toLowerCase()+h.substr(1)),h};return function(I){return I.update(A)}})(),t.Pipeline.registerFunction(t.stemmer,"stemmer");/*!
  * lunr.stopWordFilter
  * Copyright (C) 2020 Oliver Nightingale
  */t.generateStopWordFilter=function(e){var r=e.reduce(function(n,i){return n[i]=i,n},{});return function(n){if(n&&r[n.toString()]!==n.toString())return n}},t.stopWordFilter=t.generateStopWordFilter(["a","able","about","across","after","all","almost","also","am","among","an","and","any","are","as","at","be","because","been","but","by","can","cannot","could","dear","did","do","does","either","else","ever","every","for","from","get","got","had","has","have","he","her","hers","him","his","how","however","i","if","in","into","is","it","its","just","least","let","like","likely","may","me","might","most","must","my","neither","no","nor","not","of","off","often","on","only","or","other","our","own","rather","said","say","says","she","should","since","so","some","than","that","the","their","them","then","there","these","they","this","tis","to","too","twas","us","wants","was","we","were","what","when","where","which","while","who","whom","why","will","with","would","yet","you","your"]),t.Pipeline.registerFunction(t.stopWordFilter,"stopWordFilter");/*!
@@ -34,9 +34,9 @@
  */t.TokenSet=function(){this.final=!1,this.edges={},this.id=t.TokenSet._nextId,t.TokenSet._nextId+=1},t.TokenSet._nextId=1,t.TokenSet.fromArray=function(e){for(var r=new t.TokenSet.Builder,n=0,i=e.length;n<i;n++)r.insert(e[n]);return r.finish(),r.root},t.TokenSet.fromClause=function(e){return"editDistance"in e?t.TokenSet.fromFuzzyString(e.term,e.editDistance):t.TokenSet.fromString(e.term)},t.TokenSet.fromFuzzyString=function(e,r){for(var n=new t.TokenSet,i=[{node:n,editsRemaining:r,str:e}];i.length;){var s=i.pop();if(s.str.length>0){var o=s.str.charAt(0),a;o in s.node.edges?a=s.node.edges[o]:(a=new t.TokenSet,s.node.edges[o]=a),s.str.length==1&&(a.final=!0),i.push({node:a,editsRemaining:s.editsRemaining,str:s.str.slice(1)})}if(s.editsRemaining!=0){if("*"in s.node.edges)var u=s.node.edges["*"];else{var u=new t.TokenSet;s.node.edges["*"]=u}if(s.str.length==0&&(u.final=!0),i.push({node:u,editsRemaining:s.editsRemaining-1,str:s.str}),s.str.length>1&&i.push({node:s.node,editsRemaining:s.editsRemaining-1,str:s.str.slice(1)}),s.str.length==1&&(s.node.final=!0),s.str.length>=1){if("*"in s.node.edges)var c=s.node.edges["*"];else{var c=new t.TokenSet;s.node.edges["*"]=c}s.str.length==1&&(c.final=!0),i.push({node:c,editsRemaining:s.editsRemaining-1,str:s.str.slice(1)})}if(s.str.length>1){var f=s.str.charAt(0),g=s.str.charAt(1),l;g in s.node.edges?l=s.node.edges[g]:(l=new t.TokenSet,s.node.edges[g]=l),s.str.length==1&&(l.final=!0),i.push({node:l,editsRemaining:s.editsRemaining-1,str:f+s.str.slice(2)})}}}return n},t.TokenSet.fromString=function(e){for(var r=new t.TokenSet,n=r,i=0,s=e.length;i<s;i++){var o=e[i],a=i==s-1;if(o=="*")r.edges[o]=r,r.final=a;else{var u=new t.TokenSet;u.final=a,r.edges[o]=u,r=u}}return n},t.TokenSet.prototype.toArray=function(){for(var e=[],r=[{prefix:"",node:this}];r.length;){var n=r.pop(),i=Object.keys(n.node.edges),s=i.length;n.node.final&&(n.prefix.charAt(0),e.push(n.prefix));for(var o=0;o<s;o++){var a=i[o];r.push({prefix:n.prefix.concat(a),node:n.node.edges[a]})}}return e},t.TokenSet.prototype.toString=function(){if(this._str)return this._str;for(var e=this.final?"1":"0",r=Object.keys(this.edges).sort(),n=r.length,i=0;i<n;i++){var s=r[i],o=this.edges[s];e=e+s+o.id}return e},t.TokenSet.prototype.intersect=function(e){for(var r=new t.TokenSet,n=void 0,i=[{qNode:e,output:r,node:this}];i.length;){n=i.pop();for(var s=Object.keys(n.qNode.edges),o=s.length,a=Object.keys(n.node.edges),u=a.length,c=0;c<o;c++)for(var f=s[c],g=0;g<u;g++){var l=a[g];if(l==f||f=="*"){var m=n.node.edges[l],x=n.qNode.edges[f],v=m.final&&x.final,d=void 0;l in n.output.edges?(d=n.output.edges[l],d.final=d.final||v):(d=new t.TokenSet,d.final=v,n.output.edges[l]=d),i.push({qNode:x,output:d,node:m})}}}return r},t.TokenSet.Builder=function(){this.previousWord="",this.root=new t.TokenSet,this.uncheckedNodes=[],this.minimizedNodes={}},t.TokenSet.Builder.prototype.insert=function(e){var r,n=0;if(e<this.previousWord)throw new Error("Out of order word insertion");for(var i=0;i<e.length&&i<this.previousWord.length&&e[i]==this.previousWord[i];i++)n++;this.minimize(n),this.uncheckedNodes.length==0?r=this.root:r=this.uncheckedNodes[this.uncheckedNodes.length-1].child;for(var i=n;i<e.length;i++){var s=new t.TokenSet,o=e[i];r.edges[o]=s,this.uncheckedNodes.push({parent:r,char:o,child:s}),r=s}r.final=!0,this.previousWord=e},t.TokenSet.Builder.prototype.finish=function(){this.minimize(0)},t.TokenSet.Builder.prototype.minimize=function(e){for(var r=this.uncheckedNodes.length-1;r>=e;r--){var n=this.uncheckedNodes[r],i=n.child.toString();i in this.minimizedNodes?n.parent.edges[n.char]=this.minimizedNodes[i]:(n.child._str=i,this.minimizedNodes[i]=n.child),this.uncheckedNodes.pop()}};/*!
  * lunr.Index
  * Copyright (C) 2020 Oliver Nightingale
- */t.Index=function(e){this.invertedIndex=e.invertedIndex,this.fieldVectors=e.fieldVectors,this.tokenSet=e.tokenSet,this.fields=e.fields,this.pipeline=e.pipeline},t.Index.prototype.search=function(e){return this.query(function(r){var n=new t.QueryParser(e,r);n.parse()})},t.Index.prototype.query=function(e){for(var r=new t.Query(this.fields),n=Object.create(null),i=Object.create(null),s=Object.create(null),o=Object.create(null),a=Object.create(null),u=0;u<this.fields.length;u++)i[this.fields[u]]=new t.Vector;e.call(r,r);for(var u=0;u<r.clauses.length;u++){var c=r.clauses[u],f=null,g=t.Set.empty;c.usePipeline?f=this.pipeline.runString(c.term,{fields:c.fields}):f=[c.term];for(var l=0;l<f.length;l++){var m=f[l];c.term=m;var x=t.TokenSet.fromClause(c),v=this.tokenSet.intersect(x).toArray();if(v.length===0&&c.presence===t.Query.presence.REQUIRED){for(var d=0;d<c.fields.length;d++){var y=c.fields[d];o[y]=t.Set.empty}break}for(var b=0;b<v.length;b++)for(var E=v[b],w=this.invertedIndex[E],R=w._index,d=0;d<c.fields.length;d++){var y=c.fields[d],j=w[y],_=Object.keys(j),D=E+"/"+y,N=new t.Set(_);if(c.presence==t.Query.presence.REQUIRED&&(g=g.union(N),o[y]===void 0&&(o[y]=t.Set.complete)),c.presence==t.Query.presence.PROHIBITED){a[y]===void 0&&(a[y]=t.Set.empty),a[y]=a[y].union(N);continue}if(i[y].upsert(R,c.boost,function(ye,me){return ye+me}),!s[D]){for(var C=0;C<_.length;C++){var V=_[C],P=new t.FieldRef(V,y),z=j[V],$;($=n[P])===void 0?n[P]=new t.MatchData(E,y,z):$.add(E,y,z)}s[D]=!0}}}if(c.presence===t.Query.presence.REQUIRED)for(var d=0;d<c.fields.length;d++){var y=c.fields[d];o[y]=o[y].intersect(g)}}for(var M=t.Set.complete,I=t.Set.empty,u=0;u<this.fields.length;u++){var y=this.fields[u];o[y]&&(M=M.intersect(o[y])),a[y]&&(I=I.union(a[y]))}var h=Object.keys(n),S=[],k=Object.create(null);if(r.isNegated()){h=Object.keys(this.fieldVectors);for(var u=0;u<h.length;u++){var P=h[u],L=t.FieldRef.fromString(P);n[P]=new t.MatchData}}for(var u=0;u<h.length;u++){var L=t.FieldRef.fromString(h[u]),p=L.docRef;if(M.contains(p)&&!I.contains(p)){var T=this.fieldVectors[L],O=i[L.fieldName].similarity(T),F;if((F=k[p])!==void 0)F.score+=O,F.matchData.combine(n[L]);else{var Q={ref:p,score:O,matchData:n[L]};k[p]=Q,S.push(Q)}}}return S.sort(function(pe,ge){return ge.score-pe.score})},t.Index.prototype.toJSON=function(){var e=Object.keys(this.invertedIndex).sort().map(function(n){return[n,this.invertedIndex[n]]},this),r=Object.keys(this.fieldVectors).map(function(n){return[n,this.fieldVectors[n].toJSON()]},this);return{version:t.version,fields:this.fields,fieldVectors:r,invertedIndex:e,pipeline:this.pipeline.toJSON()}},t.Index.load=function(e){var r={},n={},i=e.fieldVectors,s=Object.create(null),o=e.invertedIndex,a=new t.TokenSet.Builder,u=t.Pipeline.load(e.pipeline);e.version!=t.version&&t.utils.warn("Version mismatch when loading serialised index. Current version of lunr '"+t.version+"' does not match serialized index '"+e.version+"'");for(var c=0;c<i.length;c++){var f=i[c],g=f[0],l=f[1];n[g]=new t.Vector(l)}for(var c=0;c<o.length;c++){var f=o[c],m=f[0],x=f[1];a.insert(m),s[m]=x}return a.finish(),r.fields=e.fields,r.fieldVectors=n,r.invertedIndex=s,r.tokenSet=a.root,r.pipeline=u,new t.Index(r)};/*!
+ */t.Index=function(e){this.invertedIndex=e.invertedIndex,this.fieldVectors=e.fieldVectors,this.tokenSet=e.tokenSet,this.fields=e.fields,this.pipeline=e.pipeline},t.Index.prototype.search=function(e){return this.query(function(r){var n=new t.QueryParser(e,r);n.parse()})},t.Index.prototype.query=function(e){for(var r=new t.Query(this.fields),n=Object.create(null),i=Object.create(null),s=Object.create(null),o=Object.create(null),a=Object.create(null),u=0;u<this.fields.length;u++)i[this.fields[u]]=new t.Vector;e.call(r,r);for(var u=0;u<r.clauses.length;u++){var c=r.clauses[u],f=null,g=t.Set.empty;c.usePipeline?f=this.pipeline.runString(c.term,{fields:c.fields}):f=[c.term];for(var l=0;l<f.length;l++){var m=f[l];c.term=m;var x=t.TokenSet.fromClause(c),v=this.tokenSet.intersect(x).toArray();if(v.length===0&&c.presence===t.Query.presence.REQUIRED){for(var d=0;d<c.fields.length;d++){var y=c.fields[d];o[y]=t.Set.empty}break}for(var b=0;b<v.length;b++)for(var E=v[b],w=this.invertedIndex[E],R=w._index,d=0;d<c.fields.length;d++){var y=c.fields[d],j=w[y],C=Object.keys(j),D=E+"/"+y,N=new t.Set(C);if(c.presence==t.Query.presence.REQUIRED&&(g=g.union(N),o[y]===void 0&&(o[y]=t.Set.complete)),c.presence==t.Query.presence.PROHIBITED){a[y]===void 0&&(a[y]=t.Set.empty),a[y]=a[y].union(N);continue}if(i[y].upsert(R,c.boost,function(ye,me){return ye+me}),!s[D]){for(var M=0;M<C.length;M++){var V=C[M],P=new t.FieldRef(V,y),z=j[V],$;($=n[P])===void 0?n[P]=new t.MatchData(E,y,z):$.add(E,y,z)}s[D]=!0}}}if(c.presence===t.Query.presence.REQUIRED)for(var d=0;d<c.fields.length;d++){var y=c.fields[d];o[y]=o[y].intersect(g)}}for(var A=t.Set.complete,I=t.Set.empty,u=0;u<this.fields.length;u++){var y=this.fields[u];o[y]&&(A=A.intersect(o[y])),a[y]&&(I=I.union(a[y]))}var h=Object.keys(n),S=[],k=Object.create(null);if(r.isNegated()){h=Object.keys(this.fieldVectors);for(var u=0;u<h.length;u++){var P=h[u],L=t.FieldRef.fromString(P);n[P]=new t.MatchData}}for(var u=0;u<h.length;u++){var L=t.FieldRef.fromString(h[u]),p=L.docRef;if(A.contains(p)&&!I.contains(p)){var T=this.fieldVectors[L],O=i[L.fieldName].similarity(T),F;if((F=k[p])!==void 0)F.score+=O,F.matchData.combine(n[L]);else{var Q={ref:p,score:O,matchData:n[L]};k[p]=Q,S.push(Q)}}}return S.sort(function(pe,ge){return ge.score-pe.score})},t.Index.prototype.toJSON=function(){var e=Object.keys(this.invertedIndex).sort().map(function(n){return[n,this.invertedIndex[n]]},this),r=Object.keys(this.fieldVectors).map(function(n){return[n,this.fieldVectors[n].toJSON()]},this);return{version:t.version,fields:this.fields,fieldVectors:r,invertedIndex:e,pipeline:this.pipeline.toJSON()}},t.Index.load=function(e){var r={},n={},i=e.fieldVectors,s=Object.create(null),o=e.invertedIndex,a=new t.TokenSet.Builder,u=t.Pipeline.load(e.pipeline);e.version!=t.version&&t.utils.warn("Version mismatch when loading serialised index. Current version of lunr '"+t.version+"' does not match serialized index '"+e.version+"'");for(var c=0;c<i.length;c++){var f=i[c],g=f[0],l=f[1];n[g]=new t.Vector(l)}for(var c=0;c<o.length;c++){var f=o[c],m=f[0],x=f[1];a.insert(m),s[m]=x}return a.finish(),r.fields=e.fields,r.fieldVectors=n,r.invertedIndex=s,r.tokenSet=a.root,r.pipeline=u,new t.Index(r)};/*!
  * lunr.Builder
  * Copyright (C) 2020 Oliver Nightingale
- */t.Builder=function(){this._ref="id",this._fields=Object.create(null),this._documents=Object.create(null),this.invertedIndex=Object.create(null),this.fieldTermFrequencies={},this.fieldLengths={},this.tokenizer=t.tokenizer,this.pipeline=new t.Pipeline,this.searchPipeline=new t.Pipeline,this.documentCount=0,this._b=.75,this._k1=1.2,this.termIndex=0,this.metadataWhitelist=[]},t.Builder.prototype.ref=function(e){this._ref=e},t.Builder.prototype.field=function(e,r){if(/\//.test(e))throw new RangeError("Field '"+e+"' contains illegal character '/'");this._fields[e]=r||{}},t.Builder.prototype.b=function(e){e<0?this._b=0:e>1?this._b=1:this._b=e},t.Builder.prototype.k1=function(e){this._k1=e},t.Builder.prototype.add=function(e,r){var n=e[this._ref],i=Object.keys(this._fields);this._documents[n]=r||{},this.documentCount+=1;for(var s=0;s<i.length;s++){var o=i[s],a=this._fields[o].extractor,u=a?a(e):e[o],c=this.tokenizer(u,{fields:[o]}),f=this.pipeline.run(c),g=new t.FieldRef(n,o),l=Object.create(null);this.fieldTermFrequencies[g]=l,this.fieldLengths[g]=0,this.fieldLengths[g]+=f.length;for(var m=0;m<f.length;m++){var x=f[m];if(l[x]==null&&(l[x]=0),l[x]+=1,this.invertedIndex[x]==null){var v=Object.create(null);v._index=this.termIndex,this.termIndex+=1;for(var d=0;d<i.length;d++)v[i[d]]=Object.create(null);this.invertedIndex[x]=v}this.invertedIndex[x][o][n]==null&&(this.invertedIndex[x][o][n]=Object.create(null));for(var y=0;y<this.metadataWhitelist.length;y++){var b=this.metadataWhitelist[y],E=x.metadata[b];this.invertedIndex[x][o][n][b]==null&&(this.invertedIndex[x][o][n][b]=[]),this.invertedIndex[x][o][n][b].push(E)}}}},t.Builder.prototype.calculateAverageFieldLengths=function(){for(var e=Object.keys(this.fieldLengths),r=e.length,n={},i={},s=0;s<r;s++){var o=t.FieldRef.fromString(e[s]),a=o.fieldName;i[a]||(i[a]=0),i[a]+=1,n[a]||(n[a]=0),n[a]+=this.fieldLengths[o]}for(var u=Object.keys(this._fields),s=0;s<u.length;s++){var c=u[s];n[c]=n[c]/i[c]}this.averageFieldLength=n},t.Builder.prototype.createFieldVectors=function(){for(var e={},r=Object.keys(this.fieldTermFrequencies),n=r.length,i=Object.create(null),s=0;s<n;s++){for(var o=t.FieldRef.fromString(r[s]),a=o.fieldName,u=this.fieldLengths[o],c=new t.Vector,f=this.fieldTermFrequencies[o],g=Object.keys(f),l=g.length,m=this._fields[a].boost||1,x=this._documents[o.docRef].boost||1,v=0;v<l;v++){var d=g[v],y=f[d],b=this.invertedIndex[d]._index,E,w,R;i[d]===void 0?(E=t.idf(this.invertedIndex[d],this.documentCount),i[d]=E):E=i[d],w=E*((this._k1+1)*y)/(this._k1*(1-this._b+this._b*(u/this.averageFieldLength[a]))+y),w*=m,w*=x,R=Math.round(w*1e3)/1e3,c.insert(b,R)}e[o]=c}this.fieldVectors=e},t.Builder.prototype.createTokenSet=function(){this.tokenSet=t.TokenSet.fromArray(Object.keys(this.invertedIndex).sort())},t.Builder.prototype.build=function(){return this.calculateAverageFieldLengths(),this.createFieldVectors(),this.createTokenSet(),new t.Index({invertedIndex:this.invertedIndex,fieldVectors:this.fieldVectors,tokenSet:this.tokenSet,fields:Object.keys(this._fields),pipeline:this.searchPipeline})},t.Builder.prototype.use=function(e){var r=Array.prototype.slice.call(arguments,1);r.unshift(this),e.apply(this,r)},t.MatchData=function(e,r,n){for(var i=Object.create(null),s=Object.keys(n||{}),o=0;o<s.length;o++){var a=s[o];i[a]=n[a].slice()}this.metadata=Object.create(null),e!==void 0&&(this.metadata[e]=Object.create(null),this.metadata[e][r]=i)},t.MatchData.prototype.combine=function(e){for(var r=Object.keys(e.metadata),n=0;n<r.length;n++){var i=r[n],s=Object.keys(e.metadata[i]);this.metadata[i]==null&&(this.metadata[i]=Object.create(null));for(var o=0;o<s.length;o++){var a=s[o],u=Object.keys(e.metadata[i][a]);this.metadata[i][a]==null&&(this.metadata[i][a]=Object.create(null));for(var c=0;c<u.length;c++){var f=u[c];this.metadata[i][a][f]==null?this.metadata[i][a][f]=e.metadata[i][a][f]:this.metadata[i][a][f]=this.metadata[i][a][f].concat(e.metadata[i][a][f])}}}},t.MatchData.prototype.add=function(e,r,n){if(!(e in this.metadata)){this.metadata[e]=Object.create(null),this.metadata[e][r]=n;return}if(!(r in this.metadata[e])){this.metadata[e][r]=n;return}for(var i=Object.keys(n),s=0;s<i.length;s++){var o=i[s];o in this.metadata[e][r]?this.metadata[e][r][o]=this.metadata[e][r][o].concat(n[o]):this.metadata[e][r][o]=n[o]}},t.Query=function(e){this.clauses=[],this.allFields=e},t.Query.wildcard=new String("*"),t.Query.wildcard.NONE=0,t.Query.wildcard.LEADING=1,t.Query.wildcard.TRAILING=2,t.Query.presence={OPTIONAL:1,REQUIRED:2,PROHIBITED:3},t.Query.prototype.clause=function(e){return"fields"in e||(e.fields=this.allFields),"boost"in e||(e.boost=1),"usePipeline"in e||(e.usePipeline=!0),"wildcard"in e||(e.wildcard=t.Query.wildcard.NONE),e.wildcard&t.Query.wildcard.LEADING&&e.term.charAt(0)!=t.Query.wildcard&&(e.term="*"+e.term),e.wildcard&t.Query.wildcard.TRAILING&&e.term.slice(-1)!=t.Query.wildcard&&(e.term=""+e.term+"*"),"presence"in e||(e.presence=t.Query.presence.OPTIONAL),this.clauses.push(e),this},t.Query.prototype.isNegated=function(){for(var e=0;e<this.clauses.length;e++)if(this.clauses[e].presence!=t.Query.presence.PROHIBITED)return!1;return!0},t.Query.prototype.term=function(e,r){if(Array.isArray(e))return e.forEach(function(i){this.term(i,t.utils.clone(r))},this),this;var n=r||{};return n.term=e.toString(),this.clause(n),this},t.QueryParseError=function(e,r,n){this.name="QueryParseError",this.message=e,this.start=r,this.end=n},t.QueryParseError.prototype=new Error,t.QueryLexer=function(e){this.lexemes=[],this.str=e,this.length=e.length,this.pos=0,this.start=0,this.escapeCharPositions=[]},t.QueryLexer.prototype.run=function(){for(var e=t.QueryLexer.lexText;e;)e=e(this)},t.QueryLexer.prototype.sliceString=function(){for(var e=[],r=this.start,n=this.pos,i=0;i<this.escapeCharPositions.length;i++)n=this.escapeCharPositions[i],e.push(this.str.slice(r,n)),r=n+1;return e.push(this.str.slice(r,this.pos)),this.escapeCharPositions.length=0,e.join("")},t.QueryLexer.prototype.emit=function(e){this.lexemes.push({type:e,str:this.sliceString(),start:this.start,end:this.pos}),this.start=this.pos},t.QueryLexer.prototype.escapeCharacter=function(){this.escapeCharPositions.push(this.pos-1),this.pos+=1},t.QueryLexer.prototype.next=function(){if(this.pos>=this.length)return t.QueryLexer.EOS;var e=this.str.charAt(this.pos);return this.pos+=1,e},t.QueryLexer.prototype.width=function(){return this.pos-this.start},t.QueryLexer.prototype.ignore=function(){this.start==this.pos&&(this.pos+=1),this.start=this.pos},t.QueryLexer.prototype.backup=function(){this.pos-=1},t.QueryLexer.prototype.acceptDigitRun=function(){var e,r;do e=this.next(),r=e.charCodeAt(0);while(r>47&&r<58);e!=t.QueryLexer.EOS&&this.backup()},t.QueryLexer.prototype.more=function(){return this.pos<this.length},t.QueryLexer.EOS="EOS",t.QueryLexer.FIELD="FIELD",t.QueryLexer.TERM="TERM",t.QueryLexer.EDIT_DISTANCE="EDIT_DISTANCE",t.QueryLexer.BOOST="BOOST",t.QueryLexer.PRESENCE="PRESENCE",t.QueryLexer.lexField=function(e){return e.backup(),e.emit(t.QueryLexer.FIELD),e.ignore(),t.QueryLexer.lexText},t.QueryLexer.lexTerm=function(e){if(e.width()>1&&(e.backup(),e.emit(t.QueryLexer.TERM)),e.ignore(),e.more())return t.QueryLexer.lexText},t.QueryLexer.lexEditDistance=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(t.QueryLexer.EDIT_DISTANCE),t.QueryLexer.lexText},t.QueryLexer.lexBoost=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(t.QueryLexer.BOOST),t.QueryLexer.lexText},t.QueryLexer.lexEOS=function(e){e.width()>0&&e.emit(t.QueryLexer.TERM)},t.QueryLexer.termSeparator=t.tokenizer.separator,t.QueryLexer.lexText=function(e){for(;;){var r=e.next();if(r==t.QueryLexer.EOS)return t.QueryLexer.lexEOS;if(r.charCodeAt(0)==92){e.escapeCharacter();continue}if(r==":")return t.QueryLexer.lexField;if(r=="~")return e.backup(),e.width()>0&&e.emit(t.QueryLexer.TERM),t.QueryLexer.lexEditDistance;if(r=="^")return e.backup(),e.width()>0&&e.emit(t.QueryLexer.TERM),t.QueryLexer.lexBoost;if(r=="+"&&e.width()===1||r=="-"&&e.width()===1)return e.emit(t.QueryLexer.PRESENCE),t.QueryLexer.lexText;if(r.match(t.QueryLexer.termSeparator))return t.QueryLexer.lexTerm}},t.QueryParser=function(e,r){this.lexer=new t.QueryLexer(e),this.query=r,this.currentClause={},this.lexemeIdx=0},t.QueryParser.prototype.parse=function(){this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var e=t.QueryParser.parseClause;e;)e=e(this);return this.query},t.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},t.QueryParser.prototype.consumeLexeme=function(){var e=this.peekLexeme();return this.lexemeIdx+=1,e},t.QueryParser.prototype.nextClause=function(){var e=this.currentClause;this.query.clause(e),this.currentClause={}},t.QueryParser.parseClause=function(e){var r=e.peekLexeme();if(r!=null)switch(r.type){case t.QueryLexer.PRESENCE:return t.QueryParser.parsePresence;case t.QueryLexer.FIELD:return t.QueryParser.parseField;case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var n="expected either a field or a term, found "+r.type;throw r.str.length>=1&&(n+=" with value '"+r.str+"'"),new t.QueryParseError(n,r.start,r.end)}},t.QueryParser.parsePresence=function(e){var r=e.consumeLexeme();if(r!=null){switch(r.str){case"-":e.currentClause.presence=t.Query.presence.PROHIBITED;break;case"+":e.currentClause.presence=t.Query.presence.REQUIRED;break;default:var n="unrecognised presence operator'"+r.str+"'";throw new t.QueryParseError(n,r.start,r.end)}var i=e.peekLexeme();if(i==null){var n="expecting term or field, found nothing";throw new t.QueryParseError(n,r.start,r.end)}switch(i.type){case t.QueryLexer.FIELD:return t.QueryParser.parseField;case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var n="expecting term or field, found '"+i.type+"'";throw new t.QueryParseError(n,i.start,i.end)}}},t.QueryParser.parseField=function(e){var r=e.consumeLexeme();if(r!=null){if(e.query.allFields.indexOf(r.str)==-1){var n=e.query.allFields.map(function(o){return"'"+o+"'"}).join(", "),i="unrecognised field '"+r.str+"', possible fields: "+n;throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.fields=[r.str];var s=e.peekLexeme();if(s==null){var i="expecting term, found nothing";throw new t.QueryParseError(i,r.start,r.end)}switch(s.type){case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var i="expecting term, found '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},t.QueryParser.parseTerm=function(e){var r=e.consumeLexeme();if(r!=null){e.currentClause.term=r.str.toLowerCase(),r.str.indexOf("*")!=-1&&(e.currentClause.usePipeline=!1);var n=e.peekLexeme();if(n==null){e.nextClause();return}switch(n.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+n.type+"'";throw new t.QueryParseError(i,n.start,n.end)}}},t.QueryParser.parseEditDistance=function(e){var r=e.consumeLexeme();if(r!=null){var n=parseInt(r.str,10);if(isNaN(n)){var i="edit distance must be numeric";throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.editDistance=n;var s=e.peekLexeme();if(s==null){e.nextClause();return}switch(s.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},t.QueryParser.parseBoost=function(e){var r=e.consumeLexeme();if(r!=null){var n=parseInt(r.str,10);if(isNaN(n)){var i="boost must be numeric";throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.boost=n;var s=e.peekLexeme();if(s==null){e.nextClause();return}switch(s.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},(function(e,r){typeof define=="function"&&define.amd?define(r):typeof ee=="object"?te.exports=r():e.lunr=r()})(this,function(){return t})})()});var Y=Pe(re());function ne(t,e=document){let r=ke(t,e);if(typeof r=="undefined")throw new ReferenceError(`Missing element: expected "${t}" to be present`);return r}function ke(t,e=document){return e.querySelector(t)||void 0}Object.entries||(Object.entries=function(t){let e=[];for(let r of Object.keys(t))e.push([r,t[r]]);return e});Object.values||(Object.values=function(t){let e=[];for(let r of 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Map);this.map=ie(r),this.options=n,this.index=lunr(function(){this.metadataWhitelist=["position"],this.b(0),e.lang.length===1&&e.lang[0]!=="en"?this.use(lunr[e.lang[0]]):e.lang.length>1&&this.use(lunr.multiLanguage(...e.lang)),this.tokenizer=ae,lunr.tokenizer.separator=new RegExp(e.separator),lunr.segmenter="TinySegmenter"in lunr?new lunr.TinySegmenter:void 0;let s=Re(["trimmer","stopWordFilter","stemmer"],e.pipeline);for(let o of e.lang.map(a=>a==="en"?lunr:lunr[a]))for(let a of s)this.pipeline.remove(o[a]),this.searchPipeline.remove(o[a]);this.ref("location");for(let[o,a]of Object.entries(e.fields))this.field(o,B(_({},a),{extractor:i(o)}));for(let o of r)this.add(o,{boost:o.boost})})}search(e){if(e=e.replace(new RegExp("\\p{sc=Han}+","gu"),s=>[...fe(s,this.index.invertedIndex)].join("* ")),e=ce(e),!e)return{items:[]};let r=le(e).filter(s=>s.presence!==lunr.Query.presence.PROHIBITED),n=this.index.search(e).reduce((s,{ref:o,score:a,matchData:u})=>{let c=this.map.get(o);if(typeof c!="undefined"){c=_({},c),c.tags&&(c.tags=[...c.tags]);let f=he(r,Object.keys(u.metadata));for(let l of this.index.fields){if(typeof c[l]=="undefined")continue;let m=[];for(let d of Object.values(u.metadata))typeof d[l]!="undefined"&&m.push(...d[l].position);if(!m.length)continue;let x=this.table.get([c.location,l].join(":")),v=Array.isArray(c[l])?q:oe;c[l]=v(c[l],x,m,l!=="text")}let g=+!c.parent+Object.values(f).filter(l=>l).length/Object.keys(f).length;s.push(B(_({},c),{score:a*(1+K(g,2)),terms:f}))}return s},[]).sort((s,o)=>o.score-s.score).reduce((s,o)=>{let a=this.map.get(o.location);if(typeof a!="undefined"){let u=a.parent?a.parent.location:a.location;s.set(u,[...s.get(u)||[],o])}return s},new Map);for(let[s,o]of n)if(!o.find(a=>a.location===s)){let a=this.map.get(s);o.push(B(_({},a),{score:0,terms:{}}))}let i;if(this.options.suggest){let s=this.index.query(o=>{for(let a of r)o.term(a.term,{fields:["title"],presence:lunr.Query.presence.REQUIRED,wildcard:lunr.Query.wildcard.TRAILING})});i=s.length?Object.keys(s[0].matchData.metadata):[]}return _({items:[...n.values()]},typeof i!="undefined"&&{suggest:i})}};var de;function Ie(t){return W(this,null,function*(){let e="../lunr";if(typeof parent!="undefined"&&"IFrameWorker"in parent){let n=ne("script[src]"),[i]=n.src.split("/worker");e=e.replace("..",i)}let r=[];for(let n of t.lang){switch(n){case"ja":r.push(`${e}/tinyseg.js`);break;case"hi":case"th":r.push(`${e}/wordcut.js`);break}n!=="en"&&r.push(`${e}/min/lunr.${n}.min.js`)}t.lang.length>1&&r.push(`${e}/min/lunr.multi.min.js`),r.length&&(yield importScripts(`${e}/min/lunr.stemmer.support.min.js`,...r))})}function Fe(t){return W(this,null,function*(){switch(t.type){case 0:return yield Ie(t.data.config),de=new U(t.data),{type:1};case 2:let e=t.data;try{return{type:3,data:de.search(e)}}catch(r){return console.warn(`Invalid query: ${e} \u2013 see https://bit.ly/2s3ChXG`),console.warn(r),{type:3,data:{items:[]}}}default:throw new TypeError("Invalid message type")}})}self.lunr=Y.default;Y.default.utils.warn=console.warn;addEventListener("message",t=>W(null,null,function*(){postMessage(yield Fe(t.data))}));})();
+//# sourceMappingURL=search.7a47a382.min.js.map
 
diff --git a/dev/assets/javascripts/workers/search.973d3a69.min.js.map b/dev/assets/javascripts/workers/search.7a47a382.min.js.map
similarity index 78%
rename from dev/assets/javascripts/workers/search.973d3a69.min.js.map
rename to dev/assets/javascripts/workers/search.7a47a382.min.js.map
index 184ed318..01302dc9 100644
--- a/dev/assets/javascripts/workers/search.973d3a69.min.js.map
+++ b/dev/assets/javascripts/workers/search.7a47a382.min.js.map
@@ -1,7 +1,7 @@
 {
   "version": 3,
   "sources": ["node_modules/lunr/lunr.js", "src/templates/assets/javascripts/integrations/search/worker/main/index.ts", "src/templates/assets/javascripts/browser/element/_/index.ts", "src/templates/assets/javascripts/polyfills/index.ts", "src/templates/assets/javascripts/integrations/search/config/index.ts", "src/templates/assets/javascripts/integrations/search/internal/_/index.ts", "src/templates/assets/javascripts/integrations/search/internal/extract/index.ts", "src/templates/assets/javascripts/integrations/search/internal/highlight/index.ts", "src/templates/assets/javascripts/integrations/search/internal/tokenize/index.ts", "src/templates/assets/javascripts/integrations/search/query/transform/index.ts", "src/templates/assets/javascripts/integrations/search/query/_/index.ts", "src/templates/assets/javascripts/integrations/search/query/segment/index.ts", "src/templates/assets/javascripts/integrations/search/_/index.ts"],
-  "sourcesContent": ["/**\n * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.3.9\n * Copyright (C) 2020 Oliver Nightingale\n * @license MIT\n */\n\n;(function(){\n\n/**\n * A convenience function for configuring and constructing\n * a new lunr Index.\n *\n * A lunr.Builder instance is created and the pipeline setup\n * with a trimmer, stop word filter and stemmer.\n *\n * This builder object is yielded to the configuration function\n * that is passed as a parameter, allowing the list of fields\n * and other builder parameters to be customised.\n *\n * All documents _must_ be added within the passed config function.\n *\n * @example\n * var idx = lunr(function () {\n *   this.field('title')\n *   this.field('body')\n *   this.ref('id')\n *\n *   documents.forEach(function (doc) {\n *     this.add(doc)\n *   }, this)\n * })\n *\n * @see {@link lunr.Builder}\n * @see {@link lunr.Pipeline}\n * @see {@link lunr.trimmer}\n * @see {@link lunr.stopWordFilter}\n * @see {@link lunr.stemmer}\n * @namespace {function} lunr\n */\nvar lunr = function (config) {\n  var builder = new lunr.Builder\n\n  builder.pipeline.add(\n    lunr.trimmer,\n    lunr.stopWordFilter,\n    lunr.stemmer\n  )\n\n  builder.searchPipeline.add(\n    lunr.stemmer\n  )\n\n  config.call(builder, builder)\n  return builder.build()\n}\n\nlunr.version = \"2.3.9\"\n/*!\n * lunr.utils\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A namespace containing utils for the rest of the lunr library\n * @namespace lunr.utils\n */\nlunr.utils = {}\n\n/**\n * Print a warning message to the console.\n *\n * @param {String} message The message to be printed.\n * @memberOf lunr.utils\n * @function\n */\nlunr.utils.warn = (function (global) {\n  /* eslint-disable no-console */\n  return function (message) {\n    if (global.console && console.warn) {\n      console.warn(message)\n    }\n  }\n  /* eslint-enable no-console */\n})(this)\n\n/**\n * Convert an object to a string.\n *\n * In the case of `null` and `undefined` the function returns\n * the empty string, in all other cases the result of calling\n * `toString` on the passed object is returned.\n *\n * @param {Any} obj The object to convert to a string.\n * @return {String} string representation of the passed object.\n * @memberOf lunr.utils\n */\nlunr.utils.asString = function (obj) {\n  if (obj === void 0 || obj === null) {\n    return \"\"\n  } else {\n    return obj.toString()\n  }\n}\n\n/**\n * Clones an object.\n *\n * Will create a copy of an existing object such that any mutations\n * on the copy cannot affect the original.\n *\n * Only shallow objects are supported, passing a nested object to this\n * function will cause a TypeError.\n *\n * Objects with primitives, and arrays of primitives are supported.\n *\n * @param {Object} obj The object to clone.\n * @return {Object} a clone of the passed object.\n * @throws {TypeError} when a nested object is passed.\n * @memberOf Utils\n */\nlunr.utils.clone = function (obj) {\n  if (obj === null || obj === undefined) {\n    return obj\n  }\n\n  var clone = Object.create(null),\n      keys = Object.keys(obj)\n\n  for (var i = 0; i < keys.length; i++) {\n    var key = keys[i],\n        val = obj[key]\n\n    if (Array.isArray(val)) {\n      clone[key] = val.slice()\n      continue\n    }\n\n    if (typeof val === 'string' ||\n        typeof val === 'number' ||\n        typeof val === 'boolean') {\n      clone[key] = val\n      continue\n    }\n\n    throw new TypeError(\"clone is not deep and does not support nested objects\")\n  }\n\n  return clone\n}\nlunr.FieldRef = function (docRef, fieldName, stringValue) {\n  this.docRef = docRef\n  this.fieldName = fieldName\n  this._stringValue = stringValue\n}\n\nlunr.FieldRef.joiner = \"/\"\n\nlunr.FieldRef.fromString = function (s) {\n  var n = s.indexOf(lunr.FieldRef.joiner)\n\n  if (n === -1) {\n    throw \"malformed field ref string\"\n  }\n\n  var fieldRef = s.slice(0, n),\n      docRef = s.slice(n + 1)\n\n  return new lunr.FieldRef (docRef, fieldRef, s)\n}\n\nlunr.FieldRef.prototype.toString = function () {\n  if (this._stringValue == undefined) {\n    this._stringValue = this.fieldName + lunr.FieldRef.joiner + this.docRef\n  }\n\n  return this._stringValue\n}\n/*!\n * lunr.Set\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A lunr set.\n *\n * @constructor\n */\nlunr.Set = function (elements) {\n  this.elements = Object.create(null)\n\n  if (elements) {\n    this.length = elements.length\n\n    for (var i = 0; i < this.length; i++) {\n      this.elements[elements[i]] = true\n    }\n  } else {\n    this.length = 0\n  }\n}\n\n/**\n * A complete set that contains all elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.complete = {\n  intersect: function (other) {\n    return other\n  },\n\n  union: function () {\n    return this\n  },\n\n  contains: function () {\n    return true\n  }\n}\n\n/**\n * An empty set that contains no elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.empty = {\n  intersect: function () {\n    return this\n  },\n\n  union: function (other) {\n    return other\n  },\n\n  contains: function () {\n    return false\n  }\n}\n\n/**\n * Returns true if this set contains the specified object.\n *\n * @param {object} object - Object whose presence in this set is to be tested.\n * @returns {boolean} - True if this set contains the specified object.\n */\nlunr.Set.prototype.contains = function (object) {\n  return !!this.elements[object]\n}\n\n/**\n * Returns a new set containing only the elements that are present in both\n * this set and the specified set.\n *\n * @param {lunr.Set} other - set to intersect with this set.\n * @returns {lunr.Set} a new set that is the intersection of this and the specified set.\n */\n\nlunr.Set.prototype.intersect = function (other) {\n  var a, b, elements, intersection = []\n\n  if (other === lunr.Set.complete) {\n    return this\n  }\n\n  if (other === lunr.Set.empty) {\n    return other\n  }\n\n  if (this.length < other.length) {\n    a = this\n    b = other\n  } else {\n    a = other\n    b = this\n  }\n\n  elements = Object.keys(a.elements)\n\n  for (var i = 0; i < elements.length; i++) {\n    var element = elements[i]\n    if (element in b.elements) {\n      intersection.push(element)\n    }\n  }\n\n  return new lunr.Set (intersection)\n}\n\n/**\n * Returns a new set combining the elements of this and the specified set.\n *\n * @param {lunr.Set} other - set to union with this set.\n * @return {lunr.Set} a new set that is the union of this and the specified set.\n */\n\nlunr.Set.prototype.union = function (other) {\n  if (other === lunr.Set.complete) {\n    return lunr.Set.complete\n  }\n\n  if (other === lunr.Set.empty) {\n    return this\n  }\n\n  return new lunr.Set(Object.keys(this.elements).concat(Object.keys(other.elements)))\n}\n/**\n * A function to calculate the inverse document frequency for\n * a posting. This is shared between the builder and the index\n *\n * @private\n * @param {object} posting - The posting for a given term\n * @param {number} documentCount - The total number of documents.\n */\nlunr.idf = function (posting, documentCount) {\n  var documentsWithTerm = 0\n\n  for (var fieldName in posting) {\n    if (fieldName == '_index') continue // Ignore the term index, its not a field\n    documentsWithTerm += Object.keys(posting[fieldName]).length\n  }\n\n  var x = (documentCount - documentsWithTerm + 0.5) / (documentsWithTerm + 0.5)\n\n  return Math.log(1 + Math.abs(x))\n}\n\n/**\n * A token wraps a string representation of a token\n * as it is passed through the text processing pipeline.\n *\n * @constructor\n * @param {string} [str=''] - The string token being wrapped.\n * @param {object} [metadata={}] - Metadata associated with this token.\n */\nlunr.Token = function (str, metadata) {\n  this.str = str || \"\"\n  this.metadata = metadata || {}\n}\n\n/**\n * Returns the token string that is being wrapped by this object.\n *\n * @returns {string}\n */\nlunr.Token.prototype.toString = function () {\n  return this.str\n}\n\n/**\n * A token update function is used when updating or optionally\n * when cloning a token.\n *\n * @callback lunr.Token~updateFunction\n * @param {string} str - The string representation of the token.\n * @param {Object} metadata - All metadata associated with this token.\n */\n\n/**\n * Applies the given function to the wrapped string token.\n *\n * @example\n * token.update(function (str, metadata) {\n *   return str.toUpperCase()\n * })\n *\n * @param {lunr.Token~updateFunction} fn - A function to apply to the token string.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.update = function (fn) {\n  this.str = fn(this.str, this.metadata)\n  return this\n}\n\n/**\n * Creates a clone of this token. Optionally a function can be\n * applied to the cloned token.\n *\n * @param {lunr.Token~updateFunction} [fn] - An optional function to apply to the cloned token.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.clone = function (fn) {\n  fn = fn || function (s) { return s }\n  return new lunr.Token (fn(this.str, this.metadata), this.metadata)\n}\n/*!\n * lunr.tokenizer\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A function for splitting a string into tokens ready to be inserted into\n * the search index. Uses `lunr.tokenizer.separator` to split strings, change\n * the value of this property to change how strings are split into tokens.\n *\n * This tokenizer will convert its parameter to a string by calling `toString` and\n * then will split this string on the character in `lunr.tokenizer.separator`.\n * Arrays will have their elements converted to strings and wrapped in a lunr.Token.\n *\n * Optional metadata can be passed to the tokenizer, this metadata will be cloned and\n * added as metadata to every token that is created from the object to be tokenized.\n *\n * @static\n * @param {?(string|object|object[])} obj - The object to convert into tokens\n * @param {?object} metadata - Optional metadata to associate with every token\n * @returns {lunr.Token[]}\n * @see {@link lunr.Pipeline}\n */\nlunr.tokenizer = function (obj, metadata) {\n  if (obj == null || obj == undefined) {\n    return []\n  }\n\n  if (Array.isArray(obj)) {\n    return obj.map(function (t) {\n      return new lunr.Token(\n        lunr.utils.asString(t).toLowerCase(),\n        lunr.utils.clone(metadata)\n      )\n    })\n  }\n\n  var str = obj.toString().toLowerCase(),\n      len = str.length,\n      tokens = []\n\n  for (var sliceEnd = 0, sliceStart = 0; sliceEnd <= len; sliceEnd++) {\n    var char = str.charAt(sliceEnd),\n        sliceLength = sliceEnd - sliceStart\n\n    if ((char.match(lunr.tokenizer.separator) || sliceEnd == len)) {\n\n      if (sliceLength > 0) {\n        var tokenMetadata = lunr.utils.clone(metadata) || {}\n        tokenMetadata[\"position\"] = [sliceStart, sliceLength]\n        tokenMetadata[\"index\"] = tokens.length\n\n        tokens.push(\n          new lunr.Token (\n            str.slice(sliceStart, sliceEnd),\n            tokenMetadata\n          )\n        )\n      }\n\n      sliceStart = sliceEnd + 1\n    }\n\n  }\n\n  return tokens\n}\n\n/**\n * The separator used to split a string into tokens. Override this property to change the behaviour of\n * `lunr.tokenizer` behaviour when tokenizing strings. By default this splits on whitespace and hyphens.\n *\n * @static\n * @see lunr.tokenizer\n */\nlunr.tokenizer.separator = /[\\s\\-]+/\n/*!\n * lunr.Pipeline\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.Pipelines maintain an ordered list of functions to be applied to all\n * tokens in documents entering the search index and queries being ran against\n * the index.\n *\n * An instance of lunr.Index created with the lunr shortcut will contain a\n * pipeline with a stop word filter and an English language stemmer. Extra\n * functions can be added before or after either of these functions or these\n * default functions can be removed.\n *\n * When run the pipeline will call each function in turn, passing a token, the\n * index of that token in the original list of all tokens and finally a list of\n * all the original tokens.\n *\n * The output of functions in the pipeline will be passed to the next function\n * in the pipeline. To exclude a token from entering the index the function\n * should return undefined, the rest of the pipeline will not be called with\n * this token.\n *\n * For serialisation of pipelines to work, all functions used in an instance of\n * a pipeline should be registered with lunr.Pipeline. Registered functions can\n * then be loaded. If trying to load a serialised pipeline that uses functions\n * that are not registered an error will be thrown.\n *\n * If not planning on serialising the pipeline then registering pipeline functions\n * is not necessary.\n *\n * @constructor\n */\nlunr.Pipeline = function () {\n  this._stack = []\n}\n\nlunr.Pipeline.registeredFunctions = Object.create(null)\n\n/**\n * A pipeline function maps lunr.Token to lunr.Token. A lunr.Token contains the token\n * string as well as all known metadata. A pipeline function can mutate the token string\n * or mutate (or add) metadata for a given token.\n *\n * A pipeline function can indicate that the passed token should be discarded by returning\n * null, undefined or an empty string. This token will not be passed to any downstream pipeline\n * functions and will not be added to the index.\n *\n * Multiple tokens can be returned by returning an array of tokens. Each token will be passed\n * to any downstream pipeline functions and all will returned tokens will be added to the index.\n *\n * Any number of pipeline functions may be chained together using a lunr.Pipeline.\n *\n * @interface lunr.PipelineFunction\n * @param {lunr.Token} token - A token from the document being processed.\n * @param {number} i - The index of this token in the complete list of tokens for this document/field.\n * @param {lunr.Token[]} tokens - All tokens for this document/field.\n * @returns {(?lunr.Token|lunr.Token[])}\n */\n\n/**\n * Register a function with the pipeline.\n *\n * Functions that are used in the pipeline should be registered if the pipeline\n * needs to be serialised, or a serialised pipeline needs to be loaded.\n *\n * Registering a function does not add it to a pipeline, functions must still be\n * added to instances of the pipeline for them to be used when running a pipeline.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @param {String} label - The label to register this function with\n */\nlunr.Pipeline.registerFunction = function (fn, label) {\n  if (label in this.registeredFunctions) {\n    lunr.utils.warn('Overwriting existing registered function: ' + label)\n  }\n\n  fn.label = label\n  lunr.Pipeline.registeredFunctions[fn.label] = fn\n}\n\n/**\n * Warns if the function is not registered as a Pipeline function.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @private\n */\nlunr.Pipeline.warnIfFunctionNotRegistered = function (fn) {\n  var isRegistered = fn.label && (fn.label in this.registeredFunctions)\n\n  if (!isRegistered) {\n    lunr.utils.warn('Function is not registered with pipeline. This may cause problems when serialising the index.\\n', fn)\n  }\n}\n\n/**\n * Loads a previously serialised pipeline.\n *\n * All functions to be loaded must already be registered with lunr.Pipeline.\n * If any function from the serialised data has not been registered then an\n * error will be thrown.\n *\n * @param {Object} serialised - The serialised pipeline to load.\n * @returns {lunr.Pipeline}\n */\nlunr.Pipeline.load = function (serialised) {\n  var pipeline = new lunr.Pipeline\n\n  serialised.forEach(function (fnName) {\n    var fn = lunr.Pipeline.registeredFunctions[fnName]\n\n    if (fn) {\n      pipeline.add(fn)\n    } else {\n      throw new Error('Cannot load unregistered function: ' + fnName)\n    }\n  })\n\n  return pipeline\n}\n\n/**\n * Adds new functions to the end of the pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction[]} functions - Any number of functions to add to the pipeline.\n */\nlunr.Pipeline.prototype.add = function () {\n  var fns = Array.prototype.slice.call(arguments)\n\n  fns.forEach(function (fn) {\n    lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n    this._stack.push(fn)\n  }, this)\n}\n\n/**\n * Adds a single function after a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.after = function (existingFn, newFn) {\n  lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n  var pos = this._stack.indexOf(existingFn)\n  if (pos == -1) {\n    throw new Error('Cannot find existingFn')\n  }\n\n  pos = pos + 1\n  this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Adds a single function before a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.before = function (existingFn, newFn) {\n  lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n  var pos = this._stack.indexOf(existingFn)\n  if (pos == -1) {\n    throw new Error('Cannot find existingFn')\n  }\n\n  this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Removes a function from the pipeline.\n *\n * @param {lunr.PipelineFunction} fn The function to remove from the pipeline.\n */\nlunr.Pipeline.prototype.remove = function (fn) {\n  var pos = this._stack.indexOf(fn)\n  if (pos == -1) {\n    return\n  }\n\n  this._stack.splice(pos, 1)\n}\n\n/**\n * Runs the current list of functions that make up the pipeline against the\n * passed tokens.\n *\n * @param {Array} tokens The tokens to run through the pipeline.\n * @returns {Array}\n */\nlunr.Pipeline.prototype.run = function (tokens) {\n  var stackLength = this._stack.length\n\n  for (var i = 0; i < stackLength; i++) {\n    var fn = this._stack[i]\n    var memo = []\n\n    for (var j = 0; j < tokens.length; j++) {\n      var result = fn(tokens[j], j, tokens)\n\n      if (result === null || result === void 0 || result === '') continue\n\n      if (Array.isArray(result)) {\n        for (var k = 0; k < result.length; k++) {\n          memo.push(result[k])\n        }\n      } else {\n        memo.push(result)\n      }\n    }\n\n    tokens = memo\n  }\n\n  return tokens\n}\n\n/**\n * Convenience method for passing a string through a pipeline and getting\n * strings out. This method takes care of wrapping the passed string in a\n * token and mapping the resulting tokens back to strings.\n *\n * @param {string} str - The string to pass through the pipeline.\n * @param {?object} metadata - Optional metadata to associate with the token\n * passed to the pipeline.\n * @returns {string[]}\n */\nlunr.Pipeline.prototype.runString = function (str, metadata) {\n  var token = new lunr.Token (str, metadata)\n\n  return this.run([token]).map(function (t) {\n    return t.toString()\n  })\n}\n\n/**\n * Resets the pipeline by removing any existing processors.\n *\n */\nlunr.Pipeline.prototype.reset = function () {\n  this._stack = []\n}\n\n/**\n * Returns a representation of the pipeline ready for serialisation.\n *\n * Logs a warning if the function has not been registered.\n *\n * @returns {Array}\n */\nlunr.Pipeline.prototype.toJSON = function () {\n  return this._stack.map(function (fn) {\n    lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n\n    return fn.label\n  })\n}\n/*!\n * lunr.Vector\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A vector is used to construct the vector space of documents and queries. These\n * vectors support operations to determine the similarity between two documents or\n * a document and a query.\n *\n * Normally no parameters are required for initializing a vector, but in the case of\n * loading a previously dumped vector the raw elements can be provided to the constructor.\n *\n * For performance reasons vectors are implemented with a flat array, where an elements\n * index is immediately followed by its value. E.g. [index, value, index, value]. This\n * allows the underlying array to be as sparse as possible and still offer decent\n * performance when being used for vector calculations.\n *\n * @constructor\n * @param {Number[]} [elements] - The flat list of element index and element value pairs.\n */\nlunr.Vector = function (elements) {\n  this._magnitude = 0\n  this.elements = elements || []\n}\n\n\n/**\n * Calculates the position within the vector to insert a given index.\n *\n * This is used internally by insert and upsert. If there are duplicate indexes then\n * the position is returned as if the value for that index were to be updated, but it\n * is the callers responsibility to check whether there is a duplicate at that index\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @returns {Number}\n */\nlunr.Vector.prototype.positionForIndex = function (index) {\n  // For an empty vector the tuple can be inserted at the beginning\n  if (this.elements.length == 0) {\n    return 0\n  }\n\n  var start = 0,\n      end = this.elements.length / 2,\n      sliceLength = end - start,\n      pivotPoint = Math.floor(sliceLength / 2),\n      pivotIndex = this.elements[pivotPoint * 2]\n\n  while (sliceLength > 1) {\n    if (pivotIndex < index) {\n      start = pivotPoint\n    }\n\n    if (pivotIndex > index) {\n      end = pivotPoint\n    }\n\n    if (pivotIndex == index) {\n      break\n    }\n\n    sliceLength = end - start\n    pivotPoint = start + Math.floor(sliceLength / 2)\n    pivotIndex = this.elements[pivotPoint * 2]\n  }\n\n  if (pivotIndex == index) {\n    return pivotPoint * 2\n  }\n\n  if (pivotIndex > index) {\n    return pivotPoint * 2\n  }\n\n  if (pivotIndex < index) {\n    return (pivotPoint + 1) * 2\n  }\n}\n\n/**\n * Inserts an element at an index within the vector.\n *\n * Does not allow duplicates, will throw an error if there is already an entry\n * for this index.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n */\nlunr.Vector.prototype.insert = function (insertIdx, val) {\n  this.upsert(insertIdx, val, function () {\n    throw \"duplicate index\"\n  })\n}\n\n/**\n * Inserts or updates an existing index within the vector.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n * @param {function} fn - A function that is called for updates, the existing value and the\n * requested value are passed as arguments\n */\nlunr.Vector.prototype.upsert = function (insertIdx, val, fn) {\n  this._magnitude = 0\n  var position = this.positionForIndex(insertIdx)\n\n  if (this.elements[position] == insertIdx) {\n    this.elements[position + 1] = fn(this.elements[position + 1], val)\n  } else {\n    this.elements.splice(position, 0, insertIdx, val)\n  }\n}\n\n/**\n * Calculates the magnitude of this vector.\n *\n * @returns {Number}\n */\nlunr.Vector.prototype.magnitude = function () {\n  if (this._magnitude) return this._magnitude\n\n  var sumOfSquares = 0,\n      elementsLength = this.elements.length\n\n  for (var i = 1; i < elementsLength; i += 2) {\n    var val = this.elements[i]\n    sumOfSquares += val * val\n  }\n\n  return this._magnitude = Math.sqrt(sumOfSquares)\n}\n\n/**\n * Calculates the dot product of this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The vector to compute the dot product with.\n * @returns {Number}\n */\nlunr.Vector.prototype.dot = function (otherVector) {\n  var dotProduct = 0,\n      a = this.elements, b = otherVector.elements,\n      aLen = a.length, bLen = b.length,\n      aVal = 0, bVal = 0,\n      i = 0, j = 0\n\n  while (i < aLen && j < bLen) {\n    aVal = a[i], bVal = b[j]\n    if (aVal < bVal) {\n      i += 2\n    } else if (aVal > bVal) {\n      j += 2\n    } else if (aVal == bVal) {\n      dotProduct += a[i + 1] * b[j + 1]\n      i += 2\n      j += 2\n    }\n  }\n\n  return dotProduct\n}\n\n/**\n * Calculates the similarity between this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The other vector to calculate the\n * similarity with.\n * @returns {Number}\n */\nlunr.Vector.prototype.similarity = function (otherVector) {\n  return this.dot(otherVector) / this.magnitude() || 0\n}\n\n/**\n * Converts the vector to an array of the elements within the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toArray = function () {\n  var output = new Array (this.elements.length / 2)\n\n  for (var i = 1, j = 0; i < this.elements.length; i += 2, j++) {\n    output[j] = this.elements[i]\n  }\n\n  return output\n}\n\n/**\n * A JSON serializable representation of the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toJSON = function () {\n  return this.elements\n}\n/* eslint-disable */\n/*!\n * lunr.stemmer\n * Copyright (C) 2020 Oliver Nightingale\n * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt\n */\n\n/**\n * lunr.stemmer is an english language stemmer, this is a JavaScript\n * implementation of the PorterStemmer taken from http://tartarus.org/~martin\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token - The string to stem\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n * @function\n */\nlunr.stemmer = (function(){\n  var step2list = {\n      \"ational\" : \"ate\",\n      \"tional\" : \"tion\",\n      \"enci\" : \"ence\",\n      \"anci\" : \"ance\",\n      \"izer\" : \"ize\",\n      \"bli\" : \"ble\",\n      \"alli\" : \"al\",\n      \"entli\" : \"ent\",\n      \"eli\" : \"e\",\n      \"ousli\" : \"ous\",\n      \"ization\" : \"ize\",\n      \"ation\" : \"ate\",\n      \"ator\" : \"ate\",\n      \"alism\" : \"al\",\n      \"iveness\" : \"ive\",\n      \"fulness\" : \"ful\",\n      \"ousness\" : \"ous\",\n      \"aliti\" : \"al\",\n      \"iviti\" : \"ive\",\n      \"biliti\" : \"ble\",\n      \"logi\" : \"log\"\n    },\n\n    step3list = {\n      \"icate\" : \"ic\",\n      \"ative\" : \"\",\n      \"alize\" : \"al\",\n      \"iciti\" : \"ic\",\n      \"ical\" : \"ic\",\n      \"ful\" : \"\",\n      \"ness\" : \"\"\n    },\n\n    c = \"[^aeiou]\",          // consonant\n    v = \"[aeiouy]\",          // vowel\n    C = c + \"[^aeiouy]*\",    // consonant sequence\n    V = v + \"[aeiou]*\",      // vowel sequence\n\n    mgr0 = \"^(\" + C + \")?\" + V + C,               // [C]VC... is m>0\n    meq1 = \"^(\" + C + \")?\" + V + C + \"(\" + V + \")?$\",  // [C]VC[V] is m=1\n    mgr1 = \"^(\" + C + \")?\" + V + C + V + C,       // [C]VCVC... is m>1\n    s_v = \"^(\" + C + \")?\" + v;                   // vowel in stem\n\n  var re_mgr0 = new RegExp(mgr0);\n  var re_mgr1 = new RegExp(mgr1);\n  var re_meq1 = new RegExp(meq1);\n  var re_s_v = new RegExp(s_v);\n\n  var re_1a = /^(.+?)(ss|i)es$/;\n  var re2_1a = /^(.+?)([^s])s$/;\n  var re_1b = /^(.+?)eed$/;\n  var re2_1b = /^(.+?)(ed|ing)$/;\n  var re_1b_2 = /.$/;\n  var re2_1b_2 = /(at|bl|iz)$/;\n  var re3_1b_2 = new RegExp(\"([^aeiouylsz])\\\\1$\");\n  var re4_1b_2 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n  var re_1c = /^(.+?[^aeiou])y$/;\n  var re_2 = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;\n\n  var re_3 = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;\n\n  var re_4 = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;\n  var re2_4 = /^(.+?)(s|t)(ion)$/;\n\n  var re_5 = /^(.+?)e$/;\n  var re_5_1 = /ll$/;\n  var re3_5 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n  var porterStemmer = function porterStemmer(w) {\n    var stem,\n      suffix,\n      firstch,\n      re,\n      re2,\n      re3,\n      re4;\n\n    if (w.length < 3) { return w; }\n\n    firstch = w.substr(0,1);\n    if (firstch == \"y\") {\n      w = firstch.toUpperCase() + w.substr(1);\n    }\n\n    // Step 1a\n    re = re_1a\n    re2 = re2_1a;\n\n    if (re.test(w)) { w = w.replace(re,\"$1$2\"); }\n    else if (re2.test(w)) { w = w.replace(re2,\"$1$2\"); }\n\n    // Step 1b\n    re = re_1b;\n    re2 = re2_1b;\n    if (re.test(w)) {\n      var fp = re.exec(w);\n      re = re_mgr0;\n      if (re.test(fp[1])) {\n        re = re_1b_2;\n        w = w.replace(re,\"\");\n      }\n    } else if (re2.test(w)) {\n      var fp = re2.exec(w);\n      stem = fp[1];\n      re2 = re_s_v;\n      if (re2.test(stem)) {\n        w = stem;\n        re2 = re2_1b_2;\n        re3 = re3_1b_2;\n        re4 = re4_1b_2;\n        if (re2.test(w)) { w = w + \"e\"; }\n        else if (re3.test(w)) { re = re_1b_2; w = w.replace(re,\"\"); }\n        else if (re4.test(w)) { w = w + \"e\"; }\n      }\n    }\n\n    // Step 1c - replace suffix y or Y by i if preceded by a non-vowel which is not the first letter of the word (so cry -> cri, by -> by, say -> say)\n    re = re_1c;\n    if (re.test(w)) {\n      var fp = re.exec(w);\n      stem = fp[1];\n      w = stem + \"i\";\n    }\n\n    // Step 2\n    re = re_2;\n    if (re.test(w)) {\n      var fp = re.exec(w);\n      stem = fp[1];\n      suffix = fp[2];\n      re = re_mgr0;\n      if (re.test(stem)) {\n        w = stem + step2list[suffix];\n      }\n    }\n\n    // Step 3\n    re = re_3;\n    if (re.test(w)) {\n      var fp = re.exec(w);\n      stem = fp[1];\n      suffix = fp[2];\n      re = re_mgr0;\n      if (re.test(stem)) {\n        w = stem + step3list[suffix];\n      }\n    }\n\n    // Step 4\n    re = re_4;\n    re2 = re2_4;\n    if (re.test(w)) {\n      var fp = re.exec(w);\n      stem = fp[1];\n      re = re_mgr1;\n      if (re.test(stem)) {\n        w = stem;\n      }\n    } else if (re2.test(w)) {\n      var fp = re2.exec(w);\n      stem = fp[1] + fp[2];\n      re2 = re_mgr1;\n      if (re2.test(stem)) {\n        w = stem;\n      }\n    }\n\n    // Step 5\n    re = re_5;\n    if (re.test(w)) {\n      var fp = re.exec(w);\n      stem = fp[1];\n      re = re_mgr1;\n      re2 = re_meq1;\n      re3 = re3_5;\n      if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) {\n        w = stem;\n      }\n    }\n\n    re = re_5_1;\n    re2 = re_mgr1;\n    if (re.test(w) && re2.test(w)) {\n      re = re_1b_2;\n      w = w.replace(re,\"\");\n    }\n\n    // and turn initial Y back to y\n\n    if (firstch == \"y\") {\n      w = firstch.toLowerCase() + w.substr(1);\n    }\n\n    return w;\n  };\n\n  return function (token) {\n    return token.update(porterStemmer);\n  }\n})();\n\nlunr.Pipeline.registerFunction(lunr.stemmer, 'stemmer')\n/*!\n * lunr.stopWordFilter\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.generateStopWordFilter builds a stopWordFilter function from the provided\n * list of stop words.\n *\n * The built in lunr.stopWordFilter is built using this generator and can be used\n * to generate custom stopWordFilters for applications or non English languages.\n *\n * @function\n * @param {Array} token The token to pass through the filter\n * @returns {lunr.PipelineFunction}\n * @see lunr.Pipeline\n * @see lunr.stopWordFilter\n */\nlunr.generateStopWordFilter = function (stopWords) {\n  var words = stopWords.reduce(function (memo, stopWord) {\n    memo[stopWord] = stopWord\n    return memo\n  }, {})\n\n  return function (token) {\n    if (token && words[token.toString()] !== token.toString()) return token\n  }\n}\n\n/**\n * lunr.stopWordFilter is an English language stop word list filter, any words\n * contained in the list will not be passed through the filter.\n *\n * This is intended to be used in the Pipeline. If the token does not pass the\n * filter then undefined will be returned.\n *\n * @function\n * @implements {lunr.PipelineFunction}\n * @params {lunr.Token} token - A token to check for being a stop word.\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n */\nlunr.stopWordFilter = lunr.generateStopWordFilter([\n  'a',\n  'able',\n  'about',\n  'across',\n  'after',\n  'all',\n  'almost',\n  'also',\n  'am',\n  'among',\n  'an',\n  'and',\n  'any',\n  'are',\n  'as',\n  'at',\n  'be',\n  'because',\n  'been',\n  'but',\n  'by',\n  'can',\n  'cannot',\n  'could',\n  'dear',\n  'did',\n  'do',\n  'does',\n  'either',\n  'else',\n  'ever',\n  'every',\n  'for',\n  'from',\n  'get',\n  'got',\n  'had',\n  'has',\n  'have',\n  'he',\n  'her',\n  'hers',\n  'him',\n  'his',\n  'how',\n  'however',\n  'i',\n  'if',\n  'in',\n  'into',\n  'is',\n  'it',\n  'its',\n  'just',\n  'least',\n  'let',\n  'like',\n  'likely',\n  'may',\n  'me',\n  'might',\n  'most',\n  'must',\n  'my',\n  'neither',\n  'no',\n  'nor',\n  'not',\n  'of',\n  'off',\n  'often',\n  'on',\n  'only',\n  'or',\n  'other',\n  'our',\n  'own',\n  'rather',\n  'said',\n  'say',\n  'says',\n  'she',\n  'should',\n  'since',\n  'so',\n  'some',\n  'than',\n  'that',\n  'the',\n  'their',\n  'them',\n  'then',\n  'there',\n  'these',\n  'they',\n  'this',\n  'tis',\n  'to',\n  'too',\n  'twas',\n  'us',\n  'wants',\n  'was',\n  'we',\n  'were',\n  'what',\n  'when',\n  'where',\n  'which',\n  'while',\n  'who',\n  'whom',\n  'why',\n  'will',\n  'with',\n  'would',\n  'yet',\n  'you',\n  'your'\n])\n\nlunr.Pipeline.registerFunction(lunr.stopWordFilter, 'stopWordFilter')\n/*!\n * lunr.trimmer\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.trimmer is a pipeline function for trimming non word\n * characters from the beginning and end of tokens before they\n * enter the index.\n *\n * This implementation may not work correctly for non latin\n * characters and should either be removed or adapted for use\n * with languages with non-latin characters.\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token The token to pass through the filter\n * @returns {lunr.Token}\n * @see lunr.Pipeline\n */\nlunr.trimmer = function (token) {\n  return token.update(function (s) {\n    return s.replace(/^\\W+/, '').replace(/\\W+$/, '')\n  })\n}\n\nlunr.Pipeline.registerFunction(lunr.trimmer, 'trimmer')\n/*!\n * lunr.TokenSet\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A token set is used to store the unique list of all tokens\n * within an index. Token sets are also used to represent an\n * incoming query to the index, this query token set and index\n * token set are then intersected to find which tokens to look\n * up in the inverted index.\n *\n * A token set can hold multiple tokens, as in the case of the\n * index token set, or it can hold a single token as in the\n * case of a simple query token set.\n *\n * Additionally token sets are used to perform wildcard matching.\n * Leading, contained and trailing wildcards are supported, and\n * from this edit distance matching can also be provided.\n *\n * Token sets are implemented as a minimal finite state automata,\n * where both common prefixes and suffixes are shared between tokens.\n * This helps to reduce the space used for storing the token set.\n *\n * @constructor\n */\nlunr.TokenSet = function () {\n  this.final = false\n  this.edges = {}\n  this.id = lunr.TokenSet._nextId\n  lunr.TokenSet._nextId += 1\n}\n\n/**\n * Keeps track of the next, auto increment, identifier to assign\n * to a new tokenSet.\n *\n * TokenSets require a unique identifier to be correctly minimised.\n *\n * @private\n */\nlunr.TokenSet._nextId = 1\n\n/**\n * Creates a TokenSet instance from the given sorted array of words.\n *\n * @param {String[]} arr - A sorted array of strings to create the set from.\n * @returns {lunr.TokenSet}\n * @throws Will throw an error if the input array is not sorted.\n */\nlunr.TokenSet.fromArray = function (arr) {\n  var builder = new lunr.TokenSet.Builder\n\n  for (var i = 0, len = arr.length; i < len; i++) {\n    builder.insert(arr[i])\n  }\n\n  builder.finish()\n  return builder.root\n}\n\n/**\n * Creates a token set from a query clause.\n *\n * @private\n * @param {Object} clause - A single clause from lunr.Query.\n * @param {string} clause.term - The query clause term.\n * @param {number} [clause.editDistance] - The optional edit distance for the term.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromClause = function (clause) {\n  if ('editDistance' in clause) {\n    return lunr.TokenSet.fromFuzzyString(clause.term, clause.editDistance)\n  } else {\n    return lunr.TokenSet.fromString(clause.term)\n  }\n}\n\n/**\n * Creates a token set representing a single string with a specified\n * edit distance.\n *\n * Insertions, deletions, substitutions and transpositions are each\n * treated as an edit distance of 1.\n *\n * Increasing the allowed edit distance will have a dramatic impact\n * on the performance of both creating and intersecting these TokenSets.\n * It is advised to keep the edit distance less than 3.\n *\n * @param {string} str - The string to create the token set from.\n * @param {number} editDistance - The allowed edit distance to match.\n * @returns {lunr.Vector}\n */\nlunr.TokenSet.fromFuzzyString = function (str, editDistance) {\n  var root = new lunr.TokenSet\n\n  var stack = [{\n    node: root,\n    editsRemaining: editDistance,\n    str: str\n  }]\n\n  while (stack.length) {\n    var frame = stack.pop()\n\n    // no edit\n    if (frame.str.length > 0) {\n      var char = frame.str.charAt(0),\n          noEditNode\n\n      if (char in frame.node.edges) {\n        noEditNode = frame.node.edges[char]\n      } else {\n        noEditNode = new lunr.TokenSet\n        frame.node.edges[char] = noEditNode\n      }\n\n      if (frame.str.length == 1) {\n        noEditNode.final = true\n      }\n\n      stack.push({\n        node: noEditNode,\n        editsRemaining: frame.editsRemaining,\n        str: frame.str.slice(1)\n      })\n    }\n\n    if (frame.editsRemaining == 0) {\n      continue\n    }\n\n    // insertion\n    if (\"*\" in frame.node.edges) {\n      var insertionNode = frame.node.edges[\"*\"]\n    } else {\n      var insertionNode = new lunr.TokenSet\n      frame.node.edges[\"*\"] = insertionNode\n    }\n\n    if (frame.str.length == 0) {\n      insertionNode.final = true\n    }\n\n    stack.push({\n      node: insertionNode,\n      editsRemaining: frame.editsRemaining - 1,\n      str: frame.str\n    })\n\n    // deletion\n    // can only do a deletion if we have enough edits remaining\n    // and if there are characters left to delete in the string\n    if (frame.str.length > 1) {\n      stack.push({\n        node: frame.node,\n        editsRemaining: frame.editsRemaining - 1,\n        str: frame.str.slice(1)\n      })\n    }\n\n    // deletion\n    // just removing the last character from the str\n    if (frame.str.length == 1) {\n      frame.node.final = true\n    }\n\n    // substitution\n    // can only do a substitution if we have enough edits remaining\n    // and if there are characters left to substitute\n    if (frame.str.length >= 1) {\n      if (\"*\" in frame.node.edges) {\n        var substitutionNode = frame.node.edges[\"*\"]\n      } else {\n        var substitutionNode = new lunr.TokenSet\n        frame.node.edges[\"*\"] = substitutionNode\n      }\n\n      if (frame.str.length == 1) {\n        substitutionNode.final = true\n      }\n\n      stack.push({\n        node: substitutionNode,\n        editsRemaining: frame.editsRemaining - 1,\n        str: frame.str.slice(1)\n      })\n    }\n\n    // transposition\n    // can only do a transposition if there are edits remaining\n    // and there are enough characters to transpose\n    if (frame.str.length > 1) {\n      var charA = frame.str.charAt(0),\n          charB = frame.str.charAt(1),\n          transposeNode\n\n      if (charB in frame.node.edges) {\n        transposeNode = frame.node.edges[charB]\n      } else {\n        transposeNode = new lunr.TokenSet\n        frame.node.edges[charB] = transposeNode\n      }\n\n      if (frame.str.length == 1) {\n        transposeNode.final = true\n      }\n\n      stack.push({\n        node: transposeNode,\n        editsRemaining: frame.editsRemaining - 1,\n        str: charA + frame.str.slice(2)\n      })\n    }\n  }\n\n  return root\n}\n\n/**\n * Creates a TokenSet from a string.\n *\n * The string may contain one or more wildcard characters (*)\n * that will allow wildcard matching when intersecting with\n * another TokenSet.\n *\n * @param {string} str - The string to create a TokenSet from.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromString = function (str) {\n  var node = new lunr.TokenSet,\n      root = node\n\n  /*\n   * Iterates through all characters within the passed string\n   * appending a node for each character.\n   *\n   * When a wildcard character is found then a self\n   * referencing edge is introduced to continually match\n   * any number of any characters.\n   */\n  for (var i = 0, len = str.length; i < len; i++) {\n    var char = str[i],\n        final = (i == len - 1)\n\n    if (char == \"*\") {\n      node.edges[char] = node\n      node.final = final\n\n    } else {\n      var next = new lunr.TokenSet\n      next.final = final\n\n      node.edges[char] = next\n      node = next\n    }\n  }\n\n  return root\n}\n\n/**\n * Converts this TokenSet into an array of strings\n * contained within the TokenSet.\n *\n * This is not intended to be used on a TokenSet that\n * contains wildcards, in these cases the results are\n * undefined and are likely to cause an infinite loop.\n *\n * @returns {string[]}\n */\nlunr.TokenSet.prototype.toArray = function () {\n  var words = []\n\n  var stack = [{\n    prefix: \"\",\n    node: this\n  }]\n\n  while (stack.length) {\n    var frame = stack.pop(),\n        edges = Object.keys(frame.node.edges),\n        len = edges.length\n\n    if (frame.node.final) {\n      /* In Safari, at this point the prefix is sometimes corrupted, see:\n       * https://github.com/olivernn/lunr.js/issues/279 Calling any\n       * String.prototype method forces Safari to \"cast\" this string to what\n       * it's supposed to be, fixing the bug. */\n      frame.prefix.charAt(0)\n      words.push(frame.prefix)\n    }\n\n    for (var i = 0; i < len; i++) {\n      var edge = edges[i]\n\n      stack.push({\n        prefix: frame.prefix.concat(edge),\n        node: frame.node.edges[edge]\n      })\n    }\n  }\n\n  return words\n}\n\n/**\n * Generates a string representation of a TokenSet.\n *\n * This is intended to allow TokenSets to be used as keys\n * in objects, largely to aid the construction and minimisation\n * of a TokenSet. As such it is not designed to be a human\n * friendly representation of the TokenSet.\n *\n * @returns {string}\n */\nlunr.TokenSet.prototype.toString = function () {\n  // NOTE: Using Object.keys here as this.edges is very likely\n  // to enter 'hash-mode' with many keys being added\n  //\n  // avoiding a for-in loop here as it leads to the function\n  // being de-optimised (at least in V8). From some simple\n  // benchmarks the performance is comparable, but allowing\n  // V8 to optimize may mean easy performance wins in the future.\n\n  if (this._str) {\n    return this._str\n  }\n\n  var str = this.final ? '1' : '0',\n      labels = Object.keys(this.edges).sort(),\n      len = labels.length\n\n  for (var i = 0; i < len; i++) {\n    var label = labels[i],\n        node = this.edges[label]\n\n    str = str + label + node.id\n  }\n\n  return str\n}\n\n/**\n * Returns a new TokenSet that is the intersection of\n * this TokenSet and the passed TokenSet.\n *\n * This intersection will take into account any wildcards\n * contained within the TokenSet.\n *\n * @param {lunr.TokenSet} b - An other TokenSet to intersect with.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.prototype.intersect = function (b) {\n  var output = new lunr.TokenSet,\n      frame = undefined\n\n  var stack = [{\n    qNode: b,\n    output: output,\n    node: this\n  }]\n\n  while (stack.length) {\n    frame = stack.pop()\n\n    // NOTE: As with the #toString method, we are using\n    // Object.keys and a for loop instead of a for-in loop\n    // as both of these objects enter 'hash' mode, causing\n    // the function to be de-optimised in V8\n    var qEdges = Object.keys(frame.qNode.edges),\n        qLen = qEdges.length,\n        nEdges = Object.keys(frame.node.edges),\n        nLen = nEdges.length\n\n    for (var q = 0; q < qLen; q++) {\n      var qEdge = qEdges[q]\n\n      for (var n = 0; n < nLen; n++) {\n        var nEdge = nEdges[n]\n\n        if (nEdge == qEdge || qEdge == '*') {\n          var node = frame.node.edges[nEdge],\n              qNode = frame.qNode.edges[qEdge],\n              final = node.final && qNode.final,\n              next = undefined\n\n          if (nEdge in frame.output.edges) {\n            // an edge already exists for this character\n            // no need to create a new node, just set the finality\n            // bit unless this node is already final\n            next = frame.output.edges[nEdge]\n            next.final = next.final || final\n\n          } else {\n            // no edge exists yet, must create one\n            // set the finality bit and insert it\n            // into the output\n            next = new lunr.TokenSet\n            next.final = final\n            frame.output.edges[nEdge] = next\n          }\n\n          stack.push({\n            qNode: qNode,\n            output: next,\n            node: node\n          })\n        }\n      }\n    }\n  }\n\n  return output\n}\nlunr.TokenSet.Builder = function () {\n  this.previousWord = \"\"\n  this.root = new lunr.TokenSet\n  this.uncheckedNodes = []\n  this.minimizedNodes = {}\n}\n\nlunr.TokenSet.Builder.prototype.insert = function (word) {\n  var node,\n      commonPrefix = 0\n\n  if (word < this.previousWord) {\n    throw new Error (\"Out of order word insertion\")\n  }\n\n  for (var i = 0; i < word.length && i < this.previousWord.length; i++) {\n    if (word[i] != this.previousWord[i]) break\n    commonPrefix++\n  }\n\n  this.minimize(commonPrefix)\n\n  if (this.uncheckedNodes.length == 0) {\n    node = this.root\n  } else {\n    node = this.uncheckedNodes[this.uncheckedNodes.length - 1].child\n  }\n\n  for (var i = commonPrefix; i < word.length; i++) {\n    var nextNode = new lunr.TokenSet,\n        char = word[i]\n\n    node.edges[char] = nextNode\n\n    this.uncheckedNodes.push({\n      parent: node,\n      char: char,\n      child: nextNode\n    })\n\n    node = nextNode\n  }\n\n  node.final = true\n  this.previousWord = word\n}\n\nlunr.TokenSet.Builder.prototype.finish = function () {\n  this.minimize(0)\n}\n\nlunr.TokenSet.Builder.prototype.minimize = function (downTo) {\n  for (var i = this.uncheckedNodes.length - 1; i >= downTo; i--) {\n    var node = this.uncheckedNodes[i],\n        childKey = node.child.toString()\n\n    if (childKey in this.minimizedNodes) {\n      node.parent.edges[node.char] = this.minimizedNodes[childKey]\n    } else {\n      // Cache the key for this node since\n      // we know it can't change anymore\n      node.child._str = childKey\n\n      this.minimizedNodes[childKey] = node.child\n    }\n\n    this.uncheckedNodes.pop()\n  }\n}\n/*!\n * lunr.Index\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * An index contains the built index of all documents and provides a query interface\n * to the index.\n *\n * Usually instances of lunr.Index will not be created using this constructor, instead\n * lunr.Builder should be used to construct new indexes, or lunr.Index.load should be\n * used to load previously built and serialized indexes.\n *\n * @constructor\n * @param {Object} attrs - The attributes of the built search index.\n * @param {Object} attrs.invertedIndex - An index of term/field to document reference.\n * @param {Object<string, lunr.Vector>} attrs.fieldVectors - Field vectors\n * @param {lunr.TokenSet} attrs.tokenSet - An set of all corpus tokens.\n * @param {string[]} attrs.fields - The names of indexed document fields.\n * @param {lunr.Pipeline} attrs.pipeline - The pipeline to use for search terms.\n */\nlunr.Index = function (attrs) {\n  this.invertedIndex = attrs.invertedIndex\n  this.fieldVectors = attrs.fieldVectors\n  this.tokenSet = attrs.tokenSet\n  this.fields = attrs.fields\n  this.pipeline = attrs.pipeline\n}\n\n/**\n * A result contains details of a document matching a search query.\n * @typedef {Object} lunr.Index~Result\n * @property {string} ref - The reference of the document this result represents.\n * @property {number} score - A number between 0 and 1 representing how similar this document is to the query.\n * @property {lunr.MatchData} matchData - Contains metadata about this match including which term(s) caused the match.\n */\n\n/**\n * Although lunr provides the ability to create queries using lunr.Query, it also provides a simple\n * query language which itself is parsed into an instance of lunr.Query.\n *\n * For programmatically building queries it is advised to directly use lunr.Query, the query language\n * is best used for human entered text rather than program generated text.\n *\n * At its simplest queries can just be a single term, e.g. `hello`, multiple terms are also supported\n * and will be combined with OR, e.g `hello world` will match documents that contain either 'hello'\n * or 'world', though those that contain both will rank higher in the results.\n *\n * Wildcards can be included in terms to match one or more unspecified characters, these wildcards can\n * be inserted anywhere within the term, and more than one wildcard can exist in a single term. Adding\n * wildcards will increase the number of documents that will be found but can also have a negative\n * impact on query performance, especially with wildcards at the beginning of a term.\n *\n * Terms can be restricted to specific fields, e.g. `title:hello`, only documents with the term\n * hello in the title field will match this query. Using a field not present in the index will lead\n * to an error being thrown.\n *\n * Modifiers can also be added to terms, lunr supports edit distance and boost modifiers on terms. A term\n * boost will make documents matching that term score higher, e.g. `foo^5`. Edit distance is also supported\n * to provide fuzzy matching, e.g. 'hello~2' will match documents with hello with an edit distance of 2.\n * Avoid large values for edit distance to improve query performance.\n *\n * Each term also supports a presence modifier. By default a term's presence in document is optional, however\n * this can be changed to either required or prohibited. For a term's presence to be required in a document the\n * term should be prefixed with a '+', e.g. `+foo bar` is a search for documents that must contain 'foo' and\n * optionally contain 'bar'. Conversely a leading '-' sets the terms presence to prohibited, i.e. it must not\n * appear in a document, e.g. `-foo bar` is a search for documents that do not contain 'foo' but may contain 'bar'.\n *\n * To escape special characters the backslash character '\\' can be used, this allows searches to include\n * characters that would normally be considered modifiers, e.g. `foo\\~2` will search for a term \"foo~2\" instead\n * of attempting to apply a boost of 2 to the search term \"foo\".\n *\n * @typedef {string} lunr.Index~QueryString\n * @example <caption>Simple single term query</caption>\n * hello\n * @example <caption>Multiple term query</caption>\n * hello world\n * @example <caption>term scoped to a field</caption>\n * title:hello\n * @example <caption>term with a boost of 10</caption>\n * hello^10\n * @example <caption>term with an edit distance of 2</caption>\n * hello~2\n * @example <caption>terms with presence modifiers</caption>\n * -foo +bar baz\n */\n\n/**\n * Performs a search against the index using lunr query syntax.\n *\n * Results will be returned sorted by their score, the most relevant results\n * will be returned first.  For details on how the score is calculated, please see\n * the {@link https://lunrjs.com/guides/searching.html#scoring|guide}.\n *\n * For more programmatic querying use lunr.Index#query.\n *\n * @param {lunr.Index~QueryString} queryString - A string containing a lunr query.\n * @throws {lunr.QueryParseError} If the passed query string cannot be parsed.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.search = function (queryString) {\n  return this.query(function (query) {\n    var parser = new lunr.QueryParser(queryString, query)\n    parser.parse()\n  })\n}\n\n/**\n * A query builder callback provides a query object to be used to express\n * the query to perform on the index.\n *\n * @callback lunr.Index~queryBuilder\n * @param {lunr.Query} query - The query object to build up.\n * @this lunr.Query\n */\n\n/**\n * Performs a query against the index using the yielded lunr.Query object.\n *\n * If performing programmatic queries against the index, this method is preferred\n * over lunr.Index#search so as to avoid the additional query parsing overhead.\n *\n * A query object is yielded to the supplied function which should be used to\n * express the query to be run against the index.\n *\n * Note that although this function takes a callback parameter it is _not_ an\n * asynchronous operation, the callback is just yielded a query object to be\n * customized.\n *\n * @param {lunr.Index~queryBuilder} fn - A function that is used to build the query.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.query = function (fn) {\n  // for each query clause\n  // * process terms\n  // * expand terms from token set\n  // * find matching documents and metadata\n  // * get document vectors\n  // * score documents\n\n  var query = new lunr.Query(this.fields),\n      matchingFields = Object.create(null),\n      queryVectors = Object.create(null),\n      termFieldCache = Object.create(null),\n      requiredMatches = Object.create(null),\n      prohibitedMatches = Object.create(null)\n\n  /*\n   * To support field level boosts a query vector is created per\n   * field. An empty vector is eagerly created to support negated\n   * queries.\n   */\n  for (var i = 0; i < this.fields.length; i++) {\n    queryVectors[this.fields[i]] = new lunr.Vector\n  }\n\n  fn.call(query, query)\n\n  for (var i = 0; i < query.clauses.length; i++) {\n    /*\n     * Unless the pipeline has been disabled for this term, which is\n     * the case for terms with wildcards, we need to pass the clause\n     * term through the search pipeline. A pipeline returns an array\n     * of processed terms. Pipeline functions may expand the passed\n     * term, which means we may end up performing multiple index lookups\n     * for a single query term.\n     */\n    var clause = query.clauses[i],\n        terms = null,\n        clauseMatches = lunr.Set.empty\n\n    if (clause.usePipeline) {\n      terms = this.pipeline.runString(clause.term, {\n        fields: clause.fields\n      })\n    } else {\n      terms = [clause.term]\n    }\n\n    for (var m = 0; m < terms.length; m++) {\n      var term = terms[m]\n\n      /*\n       * Each term returned from the pipeline needs to use the same query\n       * clause object, e.g. the same boost and or edit distance. The\n       * simplest way to do this is to re-use the clause object but mutate\n       * its term property.\n       */\n      clause.term = term\n\n      /*\n       * From the term in the clause we create a token set which will then\n       * be used to intersect the indexes token set to get a list of terms\n       * to lookup in the inverted index\n       */\n      var termTokenSet = lunr.TokenSet.fromClause(clause),\n          expandedTerms = this.tokenSet.intersect(termTokenSet).toArray()\n\n      /*\n       * If a term marked as required does not exist in the tokenSet it is\n       * impossible for the search to return any matches. We set all the field\n       * scoped required matches set to empty and stop examining any further\n       * clauses.\n       */\n      if (expandedTerms.length === 0 && clause.presence === lunr.Query.presence.REQUIRED) {\n        for (var k = 0; k < clause.fields.length; k++) {\n          var field = clause.fields[k]\n          requiredMatches[field] = lunr.Set.empty\n        }\n\n        break\n      }\n\n      for (var j = 0; j < expandedTerms.length; j++) {\n        /*\n         * For each term get the posting and termIndex, this is required for\n         * building the query vector.\n         */\n        var expandedTerm = expandedTerms[j],\n            posting = this.invertedIndex[expandedTerm],\n            termIndex = posting._index\n\n        for (var k = 0; k < clause.fields.length; k++) {\n          /*\n           * For each field that this query term is scoped by (by default\n           * all fields are in scope) we need to get all the document refs\n           * that have this term in that field.\n           *\n           * The posting is the entry in the invertedIndex for the matching\n           * term from above.\n           */\n          var field = clause.fields[k],\n              fieldPosting = posting[field],\n              matchingDocumentRefs = Object.keys(fieldPosting),\n              termField = expandedTerm + \"/\" + field,\n              matchingDocumentsSet = new lunr.Set(matchingDocumentRefs)\n\n          /*\n           * if the presence of this term is required ensure that the matching\n           * documents are added to the set of required matches for this clause.\n           *\n           */\n          if (clause.presence == lunr.Query.presence.REQUIRED) {\n            clauseMatches = clauseMatches.union(matchingDocumentsSet)\n\n            if (requiredMatches[field] === undefined) {\n              requiredMatches[field] = lunr.Set.complete\n            }\n          }\n\n          /*\n           * if the presence of this term is prohibited ensure that the matching\n           * documents are added to the set of prohibited matches for this field,\n           * creating that set if it does not yet exist.\n           */\n          if (clause.presence == lunr.Query.presence.PROHIBITED) {\n            if (prohibitedMatches[field] === undefined) {\n              prohibitedMatches[field] = lunr.Set.empty\n            }\n\n            prohibitedMatches[field] = prohibitedMatches[field].union(matchingDocumentsSet)\n\n            /*\n             * Prohibited matches should not be part of the query vector used for\n             * similarity scoring and no metadata should be extracted so we continue\n             * to the next field\n             */\n            continue\n          }\n\n          /*\n           * The query field vector is populated using the termIndex found for\n           * the term and a unit value with the appropriate boost applied.\n           * Using upsert because there could already be an entry in the vector\n           * for the term we are working with. In that case we just add the scores\n           * together.\n           */\n          queryVectors[field].upsert(termIndex, clause.boost, function (a, b) { return a + b })\n\n          /**\n           * If we've already seen this term, field combo then we've already collected\n           * the matching documents and metadata, no need to go through all that again\n           */\n          if (termFieldCache[termField]) {\n            continue\n          }\n\n          for (var l = 0; l < matchingDocumentRefs.length; l++) {\n            /*\n             * All metadata for this term/field/document triple\n             * are then extracted and collected into an instance\n             * of lunr.MatchData ready to be returned in the query\n             * results\n             */\n            var matchingDocumentRef = matchingDocumentRefs[l],\n                matchingFieldRef = new lunr.FieldRef (matchingDocumentRef, field),\n                metadata = fieldPosting[matchingDocumentRef],\n                fieldMatch\n\n            if ((fieldMatch = matchingFields[matchingFieldRef]) === undefined) {\n              matchingFields[matchingFieldRef] = new lunr.MatchData (expandedTerm, field, metadata)\n            } else {\n              fieldMatch.add(expandedTerm, field, metadata)\n            }\n\n          }\n\n          termFieldCache[termField] = true\n        }\n      }\n    }\n\n    /**\n     * If the presence was required we need to update the requiredMatches field sets.\n     * We do this after all fields for the term have collected their matches because\n     * the clause terms presence is required in _any_ of the fields not _all_ of the\n     * fields.\n     */\n    if (clause.presence === lunr.Query.presence.REQUIRED) {\n      for (var k = 0; k < clause.fields.length; k++) {\n        var field = clause.fields[k]\n        requiredMatches[field] = requiredMatches[field].intersect(clauseMatches)\n      }\n    }\n  }\n\n  /**\n   * Need to combine the field scoped required and prohibited\n   * matching documents into a global set of required and prohibited\n   * matches\n   */\n  var allRequiredMatches = lunr.Set.complete,\n      allProhibitedMatches = lunr.Set.empty\n\n  for (var i = 0; i < this.fields.length; i++) {\n    var field = this.fields[i]\n\n    if (requiredMatches[field]) {\n      allRequiredMatches = allRequiredMatches.intersect(requiredMatches[field])\n    }\n\n    if (prohibitedMatches[field]) {\n      allProhibitedMatches = allProhibitedMatches.union(prohibitedMatches[field])\n    }\n  }\n\n  var matchingFieldRefs = Object.keys(matchingFields),\n      results = [],\n      matches = Object.create(null)\n\n  /*\n   * If the query is negated (contains only prohibited terms)\n   * we need to get _all_ fieldRefs currently existing in the\n   * index. This is only done when we know that the query is\n   * entirely prohibited terms to avoid any cost of getting all\n   * fieldRefs unnecessarily.\n   *\n   * Additionally, blank MatchData must be created to correctly\n   * populate the results.\n   */\n  if (query.isNegated()) {\n    matchingFieldRefs = Object.keys(this.fieldVectors)\n\n    for (var i = 0; i < matchingFieldRefs.length; i++) {\n      var matchingFieldRef = matchingFieldRefs[i]\n      var fieldRef = lunr.FieldRef.fromString(matchingFieldRef)\n      matchingFields[matchingFieldRef] = new lunr.MatchData\n    }\n  }\n\n  for (var i = 0; i < matchingFieldRefs.length; i++) {\n    /*\n     * Currently we have document fields that match the query, but we\n     * need to return documents. The matchData and scores are combined\n     * from multiple fields belonging to the same document.\n     *\n     * Scores are calculated by field, using the query vectors created\n     * above, and combined into a final document score using addition.\n     */\n    var fieldRef = lunr.FieldRef.fromString(matchingFieldRefs[i]),\n        docRef = fieldRef.docRef\n\n    if (!allRequiredMatches.contains(docRef)) {\n      continue\n    }\n\n    if (allProhibitedMatches.contains(docRef)) {\n      continue\n    }\n\n    var fieldVector = this.fieldVectors[fieldRef],\n        score = queryVectors[fieldRef.fieldName].similarity(fieldVector),\n        docMatch\n\n    if ((docMatch = matches[docRef]) !== undefined) {\n      docMatch.score += score\n      docMatch.matchData.combine(matchingFields[fieldRef])\n    } else {\n      var match = {\n        ref: docRef,\n        score: score,\n        matchData: matchingFields[fieldRef]\n      }\n      matches[docRef] = match\n      results.push(match)\n    }\n  }\n\n  /*\n   * Sort the results objects by score, highest first.\n   */\n  return results.sort(function (a, b) {\n    return b.score - a.score\n  })\n}\n\n/**\n * Prepares the index for JSON serialization.\n *\n * The schema for this JSON blob will be described in a\n * separate JSON schema file.\n *\n * @returns {Object}\n */\nlunr.Index.prototype.toJSON = function () {\n  var invertedIndex = Object.keys(this.invertedIndex)\n    .sort()\n    .map(function (term) {\n      return [term, this.invertedIndex[term]]\n    }, this)\n\n  var fieldVectors = Object.keys(this.fieldVectors)\n    .map(function (ref) {\n      return [ref, this.fieldVectors[ref].toJSON()]\n    }, this)\n\n  return {\n    version: lunr.version,\n    fields: this.fields,\n    fieldVectors: fieldVectors,\n    invertedIndex: invertedIndex,\n    pipeline: this.pipeline.toJSON()\n  }\n}\n\n/**\n * Loads a previously serialized lunr.Index\n *\n * @param {Object} serializedIndex - A previously serialized lunr.Index\n * @returns {lunr.Index}\n */\nlunr.Index.load = function (serializedIndex) {\n  var attrs = {},\n      fieldVectors = {},\n      serializedVectors = serializedIndex.fieldVectors,\n      invertedIndex = Object.create(null),\n      serializedInvertedIndex = serializedIndex.invertedIndex,\n      tokenSetBuilder = new lunr.TokenSet.Builder,\n      pipeline = lunr.Pipeline.load(serializedIndex.pipeline)\n\n  if (serializedIndex.version != lunr.version) {\n    lunr.utils.warn(\"Version mismatch when loading serialised index. Current version of lunr '\" + lunr.version + \"' does not match serialized index '\" + serializedIndex.version + \"'\")\n  }\n\n  for (var i = 0; i < serializedVectors.length; i++) {\n    var tuple = serializedVectors[i],\n        ref = tuple[0],\n        elements = tuple[1]\n\n    fieldVectors[ref] = new lunr.Vector(elements)\n  }\n\n  for (var i = 0; i < serializedInvertedIndex.length; i++) {\n    var tuple = serializedInvertedIndex[i],\n        term = tuple[0],\n        posting = tuple[1]\n\n    tokenSetBuilder.insert(term)\n    invertedIndex[term] = posting\n  }\n\n  tokenSetBuilder.finish()\n\n  attrs.fields = serializedIndex.fields\n\n  attrs.fieldVectors = fieldVectors\n  attrs.invertedIndex = invertedIndex\n  attrs.tokenSet = tokenSetBuilder.root\n  attrs.pipeline = pipeline\n\n  return new lunr.Index(attrs)\n}\n/*!\n * lunr.Builder\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.Builder performs indexing on a set of documents and\n * returns instances of lunr.Index ready for querying.\n *\n * All configuration of the index is done via the builder, the\n * fields to index, the document reference, the text processing\n * pipeline and document scoring parameters are all set on the\n * builder before indexing.\n *\n * @constructor\n * @property {string} _ref - Internal reference to the document reference field.\n * @property {string[]} _fields - Internal reference to the document fields to index.\n * @property {object} invertedIndex - The inverted index maps terms to document fields.\n * @property {object} documentTermFrequencies - Keeps track of document term frequencies.\n * @property {object} documentLengths - Keeps track of the length of documents added to the index.\n * @property {lunr.tokenizer} tokenizer - Function for splitting strings into tokens for indexing.\n * @property {lunr.Pipeline} pipeline - The pipeline performs text processing on tokens before indexing.\n * @property {lunr.Pipeline} searchPipeline - A pipeline for processing search terms before querying the index.\n * @property {number} documentCount - Keeps track of the total number of documents indexed.\n * @property {number} _b - A parameter to control field length normalization, setting this to 0 disabled normalization, 1 fully normalizes field lengths, the default value is 0.75.\n * @property {number} _k1 - A parameter to control how quickly an increase in term frequency results in term frequency saturation, the default value is 1.2.\n * @property {number} termIndex - A counter incremented for each unique term, used to identify a terms position in the vector space.\n * @property {array} metadataWhitelist - A list of metadata keys that have been whitelisted for entry in the index.\n */\nlunr.Builder = function () {\n  this._ref = \"id\"\n  this._fields = Object.create(null)\n  this._documents = Object.create(null)\n  this.invertedIndex = Object.create(null)\n  this.fieldTermFrequencies = {}\n  this.fieldLengths = {}\n  this.tokenizer = lunr.tokenizer\n  this.pipeline = new lunr.Pipeline\n  this.searchPipeline = new lunr.Pipeline\n  this.documentCount = 0\n  this._b = 0.75\n  this._k1 = 1.2\n  this.termIndex = 0\n  this.metadataWhitelist = []\n}\n\n/**\n * Sets the document field used as the document reference. Every document must have this field.\n * The type of this field in the document should be a string, if it is not a string it will be\n * coerced into a string by calling toString.\n *\n * The default ref is 'id'.\n *\n * The ref should _not_ be changed during indexing, it should be set before any documents are\n * added to the index. Changing it during indexing can lead to inconsistent results.\n *\n * @param {string} ref - The name of the reference field in the document.\n */\nlunr.Builder.prototype.ref = function (ref) {\n  this._ref = ref\n}\n\n/**\n * A function that is used to extract a field from a document.\n *\n * Lunr expects a field to be at the top level of a document, if however the field\n * is deeply nested within a document an extractor function can be used to extract\n * the right field for indexing.\n *\n * @callback fieldExtractor\n * @param {object} doc - The document being added to the index.\n * @returns {?(string|object|object[])} obj - The object that will be indexed for this field.\n * @example <caption>Extracting a nested field</caption>\n * function (doc) { return doc.nested.field }\n */\n\n/**\n * Adds a field to the list of document fields that will be indexed. Every document being\n * indexed should have this field. Null values for this field in indexed documents will\n * not cause errors but will limit the chance of that document being retrieved by searches.\n *\n * All fields should be added before adding documents to the index. Adding fields after\n * a document has been indexed will have no effect on already indexed documents.\n *\n * Fields can be boosted at build time. This allows terms within that field to have more\n * importance when ranking search results. Use a field boost to specify that matches within\n * one field are more important than other fields.\n *\n * @param {string} fieldName - The name of a field to index in all documents.\n * @param {object} attributes - Optional attributes associated with this field.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this field.\n * @param {fieldExtractor} [attributes.extractor] - Function to extract a field from a document.\n * @throws {RangeError} fieldName cannot contain unsupported characters '/'\n */\nlunr.Builder.prototype.field = function (fieldName, attributes) {\n  if (/\\//.test(fieldName)) {\n    throw new RangeError (\"Field '\" + fieldName + \"' contains illegal character '/'\")\n  }\n\n  this._fields[fieldName] = attributes || {}\n}\n\n/**\n * A parameter to tune the amount of field length normalisation that is applied when\n * calculating relevance scores. A value of 0 will completely disable any normalisation\n * and a value of 1 will fully normalise field lengths. The default is 0.75. Values of b\n * will be clamped to the range 0 - 1.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.b = function (number) {\n  if (number < 0) {\n    this._b = 0\n  } else if (number > 1) {\n    this._b = 1\n  } else {\n    this._b = number\n  }\n}\n\n/**\n * A parameter that controls the speed at which a rise in term frequency results in term\n * frequency saturation. The default value is 1.2. Setting this to a higher value will give\n * slower saturation levels, a lower value will result in quicker saturation.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.k1 = function (number) {\n  this._k1 = number\n}\n\n/**\n * Adds a document to the index.\n *\n * Before adding fields to the index the index should have been fully setup, with the document\n * ref and all fields to index already having been specified.\n *\n * The document must have a field name as specified by the ref (by default this is 'id') and\n * it should have all fields defined for indexing, though null or undefined values will not\n * cause errors.\n *\n * Entire documents can be boosted at build time. Applying a boost to a document indicates that\n * this document should rank higher in search results than other documents.\n *\n * @param {object} doc - The document to add to the index.\n * @param {object} attributes - Optional attributes associated with this document.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this document.\n */\nlunr.Builder.prototype.add = function (doc, attributes) {\n  var docRef = doc[this._ref],\n      fields = Object.keys(this._fields)\n\n  this._documents[docRef] = attributes || {}\n  this.documentCount += 1\n\n  for (var i = 0; i < fields.length; i++) {\n    var fieldName = fields[i],\n        extractor = this._fields[fieldName].extractor,\n        field = extractor ? extractor(doc) : doc[fieldName],\n        tokens = this.tokenizer(field, {\n          fields: [fieldName]\n        }),\n        terms = this.pipeline.run(tokens),\n        fieldRef = new lunr.FieldRef (docRef, fieldName),\n        fieldTerms = Object.create(null)\n\n    this.fieldTermFrequencies[fieldRef] = fieldTerms\n    this.fieldLengths[fieldRef] = 0\n\n    // store the length of this field for this document\n    this.fieldLengths[fieldRef] += terms.length\n\n    // calculate term frequencies for this field\n    for (var j = 0; j < terms.length; j++) {\n      var term = terms[j]\n\n      if (fieldTerms[term] == undefined) {\n        fieldTerms[term] = 0\n      }\n\n      fieldTerms[term] += 1\n\n      // add to inverted index\n      // create an initial posting if one doesn't exist\n      if (this.invertedIndex[term] == undefined) {\n        var posting = Object.create(null)\n        posting[\"_index\"] = this.termIndex\n        this.termIndex += 1\n\n        for (var k = 0; k < fields.length; k++) {\n          posting[fields[k]] = Object.create(null)\n        }\n\n        this.invertedIndex[term] = posting\n      }\n\n      // add an entry for this term/fieldName/docRef to the invertedIndex\n      if (this.invertedIndex[term][fieldName][docRef] == undefined) {\n        this.invertedIndex[term][fieldName][docRef] = Object.create(null)\n      }\n\n      // store all whitelisted metadata about this token in the\n      // inverted index\n      for (var l = 0; l < this.metadataWhitelist.length; l++) {\n        var metadataKey = this.metadataWhitelist[l],\n            metadata = term.metadata[metadataKey]\n\n        if (this.invertedIndex[term][fieldName][docRef][metadataKey] == undefined) {\n          this.invertedIndex[term][fieldName][docRef][metadataKey] = []\n        }\n\n        this.invertedIndex[term][fieldName][docRef][metadataKey].push(metadata)\n      }\n    }\n\n  }\n}\n\n/**\n * Calculates the average document length for this index\n *\n * @private\n */\nlunr.Builder.prototype.calculateAverageFieldLengths = function () {\n\n  var fieldRefs = Object.keys(this.fieldLengths),\n      numberOfFields = fieldRefs.length,\n      accumulator = {},\n      documentsWithField = {}\n\n  for (var i = 0; i < numberOfFields; i++) {\n    var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n        field = fieldRef.fieldName\n\n    documentsWithField[field] || (documentsWithField[field] = 0)\n    documentsWithField[field] += 1\n\n    accumulator[field] || (accumulator[field] = 0)\n    accumulator[field] += this.fieldLengths[fieldRef]\n  }\n\n  var fields = Object.keys(this._fields)\n\n  for (var i = 0; i < fields.length; i++) {\n    var fieldName = fields[i]\n    accumulator[fieldName] = accumulator[fieldName] / documentsWithField[fieldName]\n  }\n\n  this.averageFieldLength = accumulator\n}\n\n/**\n * Builds a vector space model of every document using lunr.Vector\n *\n * @private\n */\nlunr.Builder.prototype.createFieldVectors = function () {\n  var fieldVectors = {},\n      fieldRefs = Object.keys(this.fieldTermFrequencies),\n      fieldRefsLength = fieldRefs.length,\n      termIdfCache = Object.create(null)\n\n  for (var i = 0; i < fieldRefsLength; i++) {\n    var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n        fieldName = fieldRef.fieldName,\n        fieldLength = this.fieldLengths[fieldRef],\n        fieldVector = new lunr.Vector,\n        termFrequencies = this.fieldTermFrequencies[fieldRef],\n        terms = Object.keys(termFrequencies),\n        termsLength = terms.length\n\n\n    var fieldBoost = this._fields[fieldName].boost || 1,\n        docBoost = this._documents[fieldRef.docRef].boost || 1\n\n    for (var j = 0; j < termsLength; j++) {\n      var term = terms[j],\n          tf = termFrequencies[term],\n          termIndex = this.invertedIndex[term]._index,\n          idf, score, scoreWithPrecision\n\n      if (termIdfCache[term] === undefined) {\n        idf = lunr.idf(this.invertedIndex[term], this.documentCount)\n        termIdfCache[term] = idf\n      } else {\n        idf = termIdfCache[term]\n      }\n\n      score = idf * ((this._k1 + 1) * tf) / (this._k1 * (1 - this._b + this._b * (fieldLength / this.averageFieldLength[fieldName])) + tf)\n      score *= fieldBoost\n      score *= docBoost\n      scoreWithPrecision = Math.round(score * 1000) / 1000\n      // Converts 1.23456789 to 1.234.\n      // Reducing the precision so that the vectors take up less\n      // space when serialised. Doing it now so that they behave\n      // the same before and after serialisation. Also, this is\n      // the fastest approach to reducing a number's precision in\n      // JavaScript.\n\n      fieldVector.insert(termIndex, scoreWithPrecision)\n    }\n\n    fieldVectors[fieldRef] = fieldVector\n  }\n\n  this.fieldVectors = fieldVectors\n}\n\n/**\n * Creates a token set of all tokens in the index using lunr.TokenSet\n *\n * @private\n */\nlunr.Builder.prototype.createTokenSet = function () {\n  this.tokenSet = lunr.TokenSet.fromArray(\n    Object.keys(this.invertedIndex).sort()\n  )\n}\n\n/**\n * Builds the index, creating an instance of lunr.Index.\n *\n * This completes the indexing process and should only be called\n * once all documents have been added to the index.\n *\n * @returns {lunr.Index}\n */\nlunr.Builder.prototype.build = function () {\n  this.calculateAverageFieldLengths()\n  this.createFieldVectors()\n  this.createTokenSet()\n\n  return new lunr.Index({\n    invertedIndex: this.invertedIndex,\n    fieldVectors: this.fieldVectors,\n    tokenSet: this.tokenSet,\n    fields: Object.keys(this._fields),\n    pipeline: this.searchPipeline\n  })\n}\n\n/**\n * Applies a plugin to the index builder.\n *\n * A plugin is a function that is called with the index builder as its context.\n * Plugins can be used to customise or extend the behaviour of the index\n * in some way. A plugin is just a function, that encapsulated the custom\n * behaviour that should be applied when building the index.\n *\n * The plugin function will be called with the index builder as its argument, additional\n * arguments can also be passed when calling use. The function will be called\n * with the index builder as its context.\n *\n * @param {Function} plugin The plugin to apply.\n */\nlunr.Builder.prototype.use = function (fn) {\n  var args = Array.prototype.slice.call(arguments, 1)\n  args.unshift(this)\n  fn.apply(this, args)\n}\n/**\n * Contains and collects metadata about a matching document.\n * A single instance of lunr.MatchData is returned as part of every\n * lunr.Index~Result.\n *\n * @constructor\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n * @property {object} metadata - A cloned collection of metadata associated with this document.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData = function (term, field, metadata) {\n  var clonedMetadata = Object.create(null),\n      metadataKeys = Object.keys(metadata || {})\n\n  // Cloning the metadata to prevent the original\n  // being mutated during match data combination.\n  // Metadata is kept in an array within the inverted\n  // index so cloning the data can be done with\n  // Array#slice\n  for (var i = 0; i < metadataKeys.length; i++) {\n    var key = metadataKeys[i]\n    clonedMetadata[key] = metadata[key].slice()\n  }\n\n  this.metadata = Object.create(null)\n\n  if (term !== undefined) {\n    this.metadata[term] = Object.create(null)\n    this.metadata[term][field] = clonedMetadata\n  }\n}\n\n/**\n * An instance of lunr.MatchData will be created for every term that matches a\n * document. However only one instance is required in a lunr.Index~Result. This\n * method combines metadata from another instance of lunr.MatchData with this\n * objects metadata.\n *\n * @param {lunr.MatchData} otherMatchData - Another instance of match data to merge with this one.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData.prototype.combine = function (otherMatchData) {\n  var terms = Object.keys(otherMatchData.metadata)\n\n  for (var i = 0; i < terms.length; i++) {\n    var term = terms[i],\n        fields = Object.keys(otherMatchData.metadata[term])\n\n    if (this.metadata[term] == undefined) {\n      this.metadata[term] = Object.create(null)\n    }\n\n    for (var j = 0; j < fields.length; j++) {\n      var field = fields[j],\n          keys = Object.keys(otherMatchData.metadata[term][field])\n\n      if (this.metadata[term][field] == undefined) {\n        this.metadata[term][field] = Object.create(null)\n      }\n\n      for (var k = 0; k < keys.length; k++) {\n        var key = keys[k]\n\n        if (this.metadata[term][field][key] == undefined) {\n          this.metadata[term][field][key] = otherMatchData.metadata[term][field][key]\n        } else {\n          this.metadata[term][field][key] = this.metadata[term][field][key].concat(otherMatchData.metadata[term][field][key])\n        }\n\n      }\n    }\n  }\n}\n\n/**\n * Add metadata for a term/field pair to this instance of match data.\n *\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n */\nlunr.MatchData.prototype.add = function (term, field, metadata) {\n  if (!(term in this.metadata)) {\n    this.metadata[term] = Object.create(null)\n    this.metadata[term][field] = metadata\n    return\n  }\n\n  if (!(field in this.metadata[term])) {\n    this.metadata[term][field] = metadata\n    return\n  }\n\n  var metadataKeys = Object.keys(metadata)\n\n  for (var i = 0; i < metadataKeys.length; i++) {\n    var key = metadataKeys[i]\n\n    if (key in this.metadata[term][field]) {\n      this.metadata[term][field][key] = this.metadata[term][field][key].concat(metadata[key])\n    } else {\n      this.metadata[term][field][key] = metadata[key]\n    }\n  }\n}\n/**\n * A lunr.Query provides a programmatic way of defining queries to be performed\n * against a {@link lunr.Index}.\n *\n * Prefer constructing a lunr.Query using the {@link lunr.Index#query} method\n * so the query object is pre-initialized with the right index fields.\n *\n * @constructor\n * @property {lunr.Query~Clause[]} clauses - An array of query clauses.\n * @property {string[]} allFields - An array of all available fields in a lunr.Index.\n */\nlunr.Query = function (allFields) {\n  this.clauses = []\n  this.allFields = allFields\n}\n\n/**\n * Constants for indicating what kind of automatic wildcard insertion will be used when constructing a query clause.\n *\n * This allows wildcards to be added to the beginning and end of a term without having to manually do any string\n * concatenation.\n *\n * The wildcard constants can be bitwise combined to select both leading and trailing wildcards.\n *\n * @constant\n * @default\n * @property {number} wildcard.NONE - The term will have no wildcards inserted, this is the default behaviour\n * @property {number} wildcard.LEADING - Prepend the term with a wildcard, unless a leading wildcard already exists\n * @property {number} wildcard.TRAILING - Append a wildcard to the term, unless a trailing wildcard already exists\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example <caption>query term with trailing wildcard</caption>\n * query.term('foo', { wildcard: lunr.Query.wildcard.TRAILING })\n * @example <caption>query term with leading and trailing wildcard</caption>\n * query.term('foo', {\n *   wildcard: lunr.Query.wildcard.LEADING | lunr.Query.wildcard.TRAILING\n * })\n */\n\nlunr.Query.wildcard = new String (\"*\")\nlunr.Query.wildcard.NONE = 0\nlunr.Query.wildcard.LEADING = 1\nlunr.Query.wildcard.TRAILING = 2\n\n/**\n * Constants for indicating what kind of presence a term must have in matching documents.\n *\n * @constant\n * @enum {number}\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example <caption>query term with required presence</caption>\n * query.term('foo', { presence: lunr.Query.presence.REQUIRED })\n */\nlunr.Query.presence = {\n  /**\n   * Term's presence in a document is optional, this is the default value.\n   */\n  OPTIONAL: 1,\n\n  /**\n   * Term's presence in a document is required, documents that do not contain\n   * this term will not be returned.\n   */\n  REQUIRED: 2,\n\n  /**\n   * Term's presence in a document is prohibited, documents that do contain\n   * this term will not be returned.\n   */\n  PROHIBITED: 3\n}\n\n/**\n * A single clause in a {@link lunr.Query} contains a term and details on how to\n * match that term against a {@link lunr.Index}.\n *\n * @typedef {Object} lunr.Query~Clause\n * @property {string[]} fields - The fields in an index this clause should be matched against.\n * @property {number} [boost=1] - Any boost that should be applied when matching this clause.\n * @property {number} [editDistance] - Whether the term should have fuzzy matching applied, and how fuzzy the match should be.\n * @property {boolean} [usePipeline] - Whether the term should be passed through the search pipeline.\n * @property {number} [wildcard=lunr.Query.wildcard.NONE] - Whether the term should have wildcards appended or prepended.\n * @property {number} [presence=lunr.Query.presence.OPTIONAL] - The terms presence in any matching documents.\n */\n\n/**\n * Adds a {@link lunr.Query~Clause} to this query.\n *\n * Unless the clause contains the fields to be matched all fields will be matched. In addition\n * a default boost of 1 is applied to the clause.\n *\n * @param {lunr.Query~Clause} clause - The clause to add to this query.\n * @see lunr.Query~Clause\n * @returns {lunr.Query}\n */\nlunr.Query.prototype.clause = function (clause) {\n  if (!('fields' in clause)) {\n    clause.fields = this.allFields\n  }\n\n  if (!('boost' in clause)) {\n    clause.boost = 1\n  }\n\n  if (!('usePipeline' in clause)) {\n    clause.usePipeline = true\n  }\n\n  if (!('wildcard' in clause)) {\n    clause.wildcard = lunr.Query.wildcard.NONE\n  }\n\n  if ((clause.wildcard & lunr.Query.wildcard.LEADING) && (clause.term.charAt(0) != lunr.Query.wildcard)) {\n    clause.term = \"*\" + clause.term\n  }\n\n  if ((clause.wildcard & lunr.Query.wildcard.TRAILING) && (clause.term.slice(-1) != lunr.Query.wildcard)) {\n    clause.term = \"\" + clause.term + \"*\"\n  }\n\n  if (!('presence' in clause)) {\n    clause.presence = lunr.Query.presence.OPTIONAL\n  }\n\n  this.clauses.push(clause)\n\n  return this\n}\n\n/**\n * A negated query is one in which every clause has a presence of\n * prohibited. These queries require some special processing to return\n * the expected results.\n *\n * @returns boolean\n */\nlunr.Query.prototype.isNegated = function () {\n  for (var i = 0; i < this.clauses.length; i++) {\n    if (this.clauses[i].presence != lunr.Query.presence.PROHIBITED) {\n      return false\n    }\n  }\n\n  return true\n}\n\n/**\n * Adds a term to the current query, under the covers this will create a {@link lunr.Query~Clause}\n * to the list of clauses that make up this query.\n *\n * The term is used as is, i.e. no tokenization will be performed by this method. Instead conversion\n * to a token or token-like string should be done before calling this method.\n *\n * The term will be converted to a string by calling `toString`. Multiple terms can be passed as an\n * array, each term in the array will share the same options.\n *\n * @param {object|object[]} term - The term(s) to add to the query.\n * @param {object} [options] - Any additional properties to add to the query clause.\n * @returns {lunr.Query}\n * @see lunr.Query#clause\n * @see lunr.Query~Clause\n * @example <caption>adding a single term to a query</caption>\n * query.term(\"foo\")\n * @example <caption>adding a single term to a query and specifying search fields, term boost and automatic trailing wildcard</caption>\n * query.term(\"foo\", {\n *   fields: [\"title\"],\n *   boost: 10,\n *   wildcard: lunr.Query.wildcard.TRAILING\n * })\n * @example <caption>using lunr.tokenizer to convert a string to tokens before using them as terms</caption>\n * query.term(lunr.tokenizer(\"foo bar\"))\n */\nlunr.Query.prototype.term = function (term, options) {\n  if (Array.isArray(term)) {\n    term.forEach(function (t) { this.term(t, lunr.utils.clone(options)) }, this)\n    return this\n  }\n\n  var clause = options || {}\n  clause.term = term.toString()\n\n  this.clause(clause)\n\n  return this\n}\nlunr.QueryParseError = function (message, start, end) {\n  this.name = \"QueryParseError\"\n  this.message = message\n  this.start = start\n  this.end = end\n}\n\nlunr.QueryParseError.prototype = new Error\nlunr.QueryLexer = function (str) {\n  this.lexemes = []\n  this.str = str\n  this.length = str.length\n  this.pos = 0\n  this.start = 0\n  this.escapeCharPositions = []\n}\n\nlunr.QueryLexer.prototype.run = function () {\n  var state = lunr.QueryLexer.lexText\n\n  while (state) {\n    state = state(this)\n  }\n}\n\nlunr.QueryLexer.prototype.sliceString = function () {\n  var subSlices = [],\n      sliceStart = this.start,\n      sliceEnd = this.pos\n\n  for (var i = 0; i < this.escapeCharPositions.length; i++) {\n    sliceEnd = this.escapeCharPositions[i]\n    subSlices.push(this.str.slice(sliceStart, sliceEnd))\n    sliceStart = sliceEnd + 1\n  }\n\n  subSlices.push(this.str.slice(sliceStart, this.pos))\n  this.escapeCharPositions.length = 0\n\n  return subSlices.join('')\n}\n\nlunr.QueryLexer.prototype.emit = function (type) {\n  this.lexemes.push({\n    type: type,\n    str: this.sliceString(),\n    start: this.start,\n    end: this.pos\n  })\n\n  this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.escapeCharacter = function () {\n  this.escapeCharPositions.push(this.pos - 1)\n  this.pos += 1\n}\n\nlunr.QueryLexer.prototype.next = function () {\n  if (this.pos >= this.length) {\n    return lunr.QueryLexer.EOS\n  }\n\n  var char = this.str.charAt(this.pos)\n  this.pos += 1\n  return char\n}\n\nlunr.QueryLexer.prototype.width = function () {\n  return this.pos - this.start\n}\n\nlunr.QueryLexer.prototype.ignore = function () {\n  if (this.start == this.pos) {\n    this.pos += 1\n  }\n\n  this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.backup = function () {\n  this.pos -= 1\n}\n\nlunr.QueryLexer.prototype.acceptDigitRun = function () {\n  var char, charCode\n\n  do {\n    char = this.next()\n    charCode = char.charCodeAt(0)\n  } while (charCode > 47 && charCode < 58)\n\n  if (char != lunr.QueryLexer.EOS) {\n    this.backup()\n  }\n}\n\nlunr.QueryLexer.prototype.more = function () {\n  return this.pos < this.length\n}\n\nlunr.QueryLexer.EOS = 'EOS'\nlunr.QueryLexer.FIELD = 'FIELD'\nlunr.QueryLexer.TERM = 'TERM'\nlunr.QueryLexer.EDIT_DISTANCE = 'EDIT_DISTANCE'\nlunr.QueryLexer.BOOST = 'BOOST'\nlunr.QueryLexer.PRESENCE = 'PRESENCE'\n\nlunr.QueryLexer.lexField = function (lexer) {\n  lexer.backup()\n  lexer.emit(lunr.QueryLexer.FIELD)\n  lexer.ignore()\n  return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexTerm = function (lexer) {\n  if (lexer.width() > 1) {\n    lexer.backup()\n    lexer.emit(lunr.QueryLexer.TERM)\n  }\n\n  lexer.ignore()\n\n  if (lexer.more()) {\n    return lunr.QueryLexer.lexText\n  }\n}\n\nlunr.QueryLexer.lexEditDistance = function (lexer) {\n  lexer.ignore()\n  lexer.acceptDigitRun()\n  lexer.emit(lunr.QueryLexer.EDIT_DISTANCE)\n  return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexBoost = function (lexer) {\n  lexer.ignore()\n  lexer.acceptDigitRun()\n  lexer.emit(lunr.QueryLexer.BOOST)\n  return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexEOS = function (lexer) {\n  if (lexer.width() > 0) {\n    lexer.emit(lunr.QueryLexer.TERM)\n  }\n}\n\n// This matches the separator used when tokenising fields\n// within a document. These should match otherwise it is\n// not possible to search for some tokens within a document.\n//\n// It is possible for the user to change the separator on the\n// tokenizer so it _might_ clash with any other of the special\n// characters already used within the search string, e.g. :.\n//\n// This means that it is possible to change the separator in\n// such a way that makes some words unsearchable using a search\n// string.\nlunr.QueryLexer.termSeparator = lunr.tokenizer.separator\n\nlunr.QueryLexer.lexText = function (lexer) {\n  while (true) {\n    var char = lexer.next()\n\n    if (char == lunr.QueryLexer.EOS) {\n      return lunr.QueryLexer.lexEOS\n    }\n\n    // Escape character is '\\'\n    if (char.charCodeAt(0) == 92) {\n      lexer.escapeCharacter()\n      continue\n    }\n\n    if (char == \":\") {\n      return lunr.QueryLexer.lexField\n    }\n\n    if (char == \"~\") {\n      lexer.backup()\n      if (lexer.width() > 0) {\n        lexer.emit(lunr.QueryLexer.TERM)\n      }\n      return lunr.QueryLexer.lexEditDistance\n    }\n\n    if (char == \"^\") {\n      lexer.backup()\n      if (lexer.width() > 0) {\n        lexer.emit(lunr.QueryLexer.TERM)\n      }\n      return lunr.QueryLexer.lexBoost\n    }\n\n    // \"+\" indicates term presence is required\n    // checking for length to ensure that only\n    // leading \"+\" are considered\n    if (char == \"+\" && lexer.width() === 1) {\n      lexer.emit(lunr.QueryLexer.PRESENCE)\n      return lunr.QueryLexer.lexText\n    }\n\n    // \"-\" indicates term presence is prohibited\n    // checking for length to ensure that only\n    // leading \"-\" are considered\n    if (char == \"-\" && lexer.width() === 1) {\n      lexer.emit(lunr.QueryLexer.PRESENCE)\n      return lunr.QueryLexer.lexText\n    }\n\n    if (char.match(lunr.QueryLexer.termSeparator)) {\n      return lunr.QueryLexer.lexTerm\n    }\n  }\n}\n\nlunr.QueryParser = function (str, query) {\n  this.lexer = new lunr.QueryLexer (str)\n  this.query = query\n  this.currentClause = {}\n  this.lexemeIdx = 0\n}\n\nlunr.QueryParser.prototype.parse = function () {\n  this.lexer.run()\n  this.lexemes = this.lexer.lexemes\n\n  var state = lunr.QueryParser.parseClause\n\n  while (state) {\n    state = state(this)\n  }\n\n  return this.query\n}\n\nlunr.QueryParser.prototype.peekLexeme = function () {\n  return this.lexemes[this.lexemeIdx]\n}\n\nlunr.QueryParser.prototype.consumeLexeme = function () {\n  var lexeme = this.peekLexeme()\n  this.lexemeIdx += 1\n  return lexeme\n}\n\nlunr.QueryParser.prototype.nextClause = function () {\n  var completedClause = this.currentClause\n  this.query.clause(completedClause)\n  this.currentClause = {}\n}\n\nlunr.QueryParser.parseClause = function (parser) {\n  var lexeme = parser.peekLexeme()\n\n  if (lexeme == undefined) {\n    return\n  }\n\n  switch (lexeme.type) {\n    case lunr.QueryLexer.PRESENCE:\n      return lunr.QueryParser.parsePresence\n    case lunr.QueryLexer.FIELD:\n      return lunr.QueryParser.parseField\n    case lunr.QueryLexer.TERM:\n      return lunr.QueryParser.parseTerm\n    default:\n      var errorMessage = \"expected either a field or a term, found \" + lexeme.type\n\n      if (lexeme.str.length >= 1) {\n        errorMessage += \" with value '\" + lexeme.str + \"'\"\n      }\n\n      throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n}\n\nlunr.QueryParser.parsePresence = function (parser) {\n  var lexeme = parser.consumeLexeme()\n\n  if (lexeme == undefined) {\n    return\n  }\n\n  switch (lexeme.str) {\n    case \"-\":\n      parser.currentClause.presence = lunr.Query.presence.PROHIBITED\n      break\n    case \"+\":\n      parser.currentClause.presence = lunr.Query.presence.REQUIRED\n      break\n    default:\n      var errorMessage = \"unrecognised presence operator'\" + lexeme.str + \"'\"\n      throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n\n  var nextLexeme = parser.peekLexeme()\n\n  if (nextLexeme == undefined) {\n    var errorMessage = \"expecting term or field, found nothing\"\n    throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n\n  switch (nextLexeme.type) {\n    case lunr.QueryLexer.FIELD:\n      return lunr.QueryParser.parseField\n    case lunr.QueryLexer.TERM:\n      return lunr.QueryParser.parseTerm\n    default:\n      var errorMessage = \"expecting term or field, found '\" + nextLexeme.type + \"'\"\n      throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n  }\n}\n\nlunr.QueryParser.parseField = function (parser) {\n  var lexeme = parser.consumeLexeme()\n\n  if (lexeme == undefined) {\n    return\n  }\n\n  if (parser.query.allFields.indexOf(lexeme.str) == -1) {\n    var possibleFields = parser.query.allFields.map(function (f) { return \"'\" + f + \"'\" }).join(', '),\n        errorMessage = \"unrecognised field '\" + lexeme.str + \"', possible fields: \" + possibleFields\n\n    throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n\n  parser.currentClause.fields = [lexeme.str]\n\n  var nextLexeme = parser.peekLexeme()\n\n  if (nextLexeme == undefined) {\n    var errorMessage = \"expecting term, found nothing\"\n    throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n\n  switch (nextLexeme.type) {\n    case lunr.QueryLexer.TERM:\n      return lunr.QueryParser.parseTerm\n    default:\n      var errorMessage = \"expecting term, found '\" + nextLexeme.type + \"'\"\n      throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n  }\n}\n\nlunr.QueryParser.parseTerm = function (parser) {\n  var lexeme = parser.consumeLexeme()\n\n  if (lexeme == undefined) {\n    return\n  }\n\n  parser.currentClause.term = lexeme.str.toLowerCase()\n\n  if (lexeme.str.indexOf(\"*\") != -1) {\n    parser.currentClause.usePipeline = false\n  }\n\n  var nextLexeme = parser.peekLexeme()\n\n  if (nextLexeme == undefined) {\n    parser.nextClause()\n    return\n  }\n\n  switch (nextLexeme.type) {\n    case lunr.QueryLexer.TERM:\n      parser.nextClause()\n      return lunr.QueryParser.parseTerm\n    case lunr.QueryLexer.FIELD:\n      parser.nextClause()\n      return lunr.QueryParser.parseField\n    case lunr.QueryLexer.EDIT_DISTANCE:\n      return lunr.QueryParser.parseEditDistance\n    case lunr.QueryLexer.BOOST:\n      return lunr.QueryParser.parseBoost\n    case lunr.QueryLexer.PRESENCE:\n      parser.nextClause()\n      return lunr.QueryParser.parsePresence\n    default:\n      var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n      throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n  }\n}\n\nlunr.QueryParser.parseEditDistance = function (parser) {\n  var lexeme = parser.consumeLexeme()\n\n  if (lexeme == undefined) {\n    return\n  }\n\n  var editDistance = parseInt(lexeme.str, 10)\n\n  if (isNaN(editDistance)) {\n    var errorMessage = \"edit distance must be numeric\"\n    throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n\n  parser.currentClause.editDistance = editDistance\n\n  var nextLexeme = parser.peekLexeme()\n\n  if (nextLexeme == undefined) {\n    parser.nextClause()\n    return\n  }\n\n  switch (nextLexeme.type) {\n    case lunr.QueryLexer.TERM:\n      parser.nextClause()\n      return lunr.QueryParser.parseTerm\n    case lunr.QueryLexer.FIELD:\n      parser.nextClause()\n      return lunr.QueryParser.parseField\n    case lunr.QueryLexer.EDIT_DISTANCE:\n      return lunr.QueryParser.parseEditDistance\n    case lunr.QueryLexer.BOOST:\n      return lunr.QueryParser.parseBoost\n    case lunr.QueryLexer.PRESENCE:\n      parser.nextClause()\n      return lunr.QueryParser.parsePresence\n    default:\n      var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n      throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n  }\n}\n\nlunr.QueryParser.parseBoost = function (parser) {\n  var lexeme = parser.consumeLexeme()\n\n  if (lexeme == undefined) {\n    return\n  }\n\n  var boost = parseInt(lexeme.str, 10)\n\n  if (isNaN(boost)) {\n    var errorMessage = \"boost must be numeric\"\n    throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n\n  parser.currentClause.boost = boost\n\n  var nextLexeme = parser.peekLexeme()\n\n  if (nextLexeme == undefined) {\n    parser.nextClause()\n    return\n  }\n\n  switch (nextLexeme.type) {\n    case lunr.QueryLexer.TERM:\n      parser.nextClause()\n      return lunr.QueryParser.parseTerm\n    case lunr.QueryLexer.FIELD:\n      parser.nextClause()\n      return lunr.QueryParser.parseField\n    case lunr.QueryLexer.EDIT_DISTANCE:\n      return lunr.QueryParser.parseEditDistance\n    case lunr.QueryLexer.BOOST:\n      return lunr.QueryParser.parseBoost\n    case lunr.QueryLexer.PRESENCE:\n      parser.nextClause()\n      return lunr.QueryParser.parsePresence\n    default:\n      var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n      throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n  }\n}\n\n  /**\n   * export the module via AMD, CommonJS or as a browser global\n   * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js\n   */\n  ;(function (root, factory) {\n    if (typeof define === 'function' && define.amd) {\n      // AMD. Register as an anonymous module.\n      define(factory)\n    } else if (typeof exports === 'object') {\n      /**\n       * Node. Does not work with strict CommonJS, but\n       * only CommonJS-like enviroments that support module.exports,\n       * like Node.\n       */\n      module.exports = factory()\n    } else {\n      // Browser globals (root is window)\n      root.lunr = factory()\n    }\n  }(this, function () {\n    /**\n     * Just return a value to define the module export.\n     * This example returns an object, but the module\n     * can return a function as the exported value.\n     */\n    return lunr\n  }))\n})();\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport lunr from \"lunr\"\n\nimport { getElement } from \"~/browser/element/_\"\nimport \"~/polyfills\"\n\nimport { Search } from \"../../_\"\nimport { SearchConfig } from \"../../config\"\nimport {\n  SearchMessage,\n  SearchMessageType\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Add support for `iframe-worker` shim\n *\n * While `importScripts` is synchronous when executed inside of a web worker,\n * it's not possible to provide a synchronous shim implementation. The cool\n * thing is that awaiting a non-Promise will convert it into a Promise, so\n * extending the type definition to return a `Promise` shouldn't break anything.\n *\n * @see https://bit.ly/2PjDnXi - GitHub comment\n *\n * @param urls - Scripts to load\n *\n * @returns Promise resolving with no result\n */\ndeclare global {\n  function importScripts(...urls: string[]): Promise<void> | void\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index\n */\nlet index: Search\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch (= import) multi-language support through `lunr-languages`\n *\n * This function automatically imports the stemmers necessary to process the\n * languages which are defined as part of the search configuration.\n *\n * If the worker runs inside of an `iframe` (when using `iframe-worker` as\n * a shim), the base URL for the stemmers to be loaded must be determined by\n * searching for the first `script` element with a `src` attribute, which will\n * contain the contents of this script.\n *\n * @param config - Search configuration\n *\n * @returns Promise resolving with no result\n */\nasync function setupSearchLanguages(\n  config: SearchConfig\n): Promise<void> {\n  let base = \"../lunr\"\n\n  /* Detect `iframe-worker` and fix base URL */\n  if (typeof parent !== \"undefined\" && \"IFrameWorker\" in parent) {\n    const worker = getElement<HTMLScriptElement>(\"script[src]\")\n    const [path] = worker.src.split(\"/worker\")\n\n    /* Prefix base with path */\n    base = base.replace(\"..\", path)\n  }\n\n  /* Add scripts for languages */\n  const scripts = []\n  for (const lang of config.lang) {\n    switch (lang) {\n\n      /* Add segmenter for Japanese */\n      case \"ja\":\n        scripts.push(`${base}/tinyseg.js`)\n        break\n\n      /* Add segmenter for Hindi and Thai */\n      case \"hi\":\n      case \"th\":\n        scripts.push(`${base}/wordcut.js`)\n        break\n    }\n\n    /* Add language support */\n    if (lang !== \"en\")\n      scripts.push(`${base}/min/lunr.${lang}.min.js`)\n  }\n\n  /* Add multi-language support */\n  if (config.lang.length > 1)\n    scripts.push(`${base}/min/lunr.multi.min.js`)\n\n  /* Load scripts synchronously */\n  if (scripts.length)\n    await importScripts(\n      `${base}/min/lunr.stemmer.support.min.js`,\n      ...scripts\n    )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Message handler\n *\n * @param message - Source message\n *\n * @returns Target message\n */\nexport async function handler(\n  message: SearchMessage\n): Promise<SearchMessage> {\n  switch (message.type) {\n\n    /* Search setup message */\n    case SearchMessageType.SETUP:\n      await setupSearchLanguages(message.data.config)\n      index = new Search(message.data)\n      return {\n        type: SearchMessageType.READY\n      }\n\n    /* Search query message */\n    case SearchMessageType.QUERY:\n      const query = message.data\n      try {\n        return {\n          type: SearchMessageType.RESULT,\n          data: index.search(query)\n        }\n\n      /* Return empty result in case of error */\n      } catch (err) {\n        console.warn(`Invalid query: ${query} \u2013 see https://bit.ly/2s3ChXG`)\n        console.warn(err)\n        return {\n          type: SearchMessageType.RESULT,\n          data: { items: [] }\n        }\n      }\n\n    /* All other messages */\n    default:\n      throw new TypeError(\"Invalid message type\")\n  }\n}\n\n/* ----------------------------------------------------------------------------\n * Worker\n * ------------------------------------------------------------------------- */\n\n/* Expose Lunr.js in global scope, or stemmers won't work */\nself.lunr = lunr\n\n/* Monkey-patch Lunr.js to mitigate https://t.ly/68TLq */\nlunr.utils.warn = console.warn\n\n/* Handle messages */\naddEventListener(\"message\", async ev => {\n  postMessage(await handler(ev.data))\n})\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve all elements matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getElements<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T][]\n\nexport function getElements<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T[]\n\nexport function getElements<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T[] {\n  return Array.from(node.querySelectorAll<T>(selector))\n}\n\n/**\n * Retrieve an element matching a query selector or throw a reference error\n *\n * Note that this function assumes that the element is present. If unsure if an\n * element is existent, use the `getOptionalElement` function instead.\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getElement<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T]\n\nexport function getElement<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T\n\nexport function getElement<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T {\n  const el = getOptionalElement<T>(selector, node)\n  if (typeof el === \"undefined\")\n    throw new ReferenceError(\n      `Missing element: expected \"${selector}\" to be present`\n    )\n\n  /* Return element */\n  return el\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Retrieve an optional element matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element or nothing\n */\nexport function getOptionalElement<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T] | undefined\n\nexport function getOptionalElement<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T | undefined\n\nexport function getOptionalElement<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T | undefined {\n  return node.querySelector<T>(selector) || undefined\n}\n\n/**\n * Retrieve the currently active element\n *\n * @returns Element or nothing\n */\nexport function getActiveElement(): HTMLElement | undefined {\n  return (\n    document.activeElement?.shadowRoot?.activeElement as HTMLElement ??\n    document.activeElement as HTMLElement ??\n    undefined\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Polyfills\n * ------------------------------------------------------------------------- */\n\n/* Polyfill `Object.entries` */\nif (!Object.entries)\n  Object.entries = function (obj: object) {\n    const data: [string, string][] = []\n    for (const key of Object.keys(obj))\n      // @ts-expect-error - ignore property access warning\n      data.push([key, obj[key]])\n\n    /* Return entries */\n    return data\n  }\n\n/* Polyfill `Object.values` */\nif (!Object.values)\n  Object.values = function (obj: object) {\n    const data: string[] = []\n    for (const key of Object.keys(obj))\n      // @ts-expect-error - ignore property access warning\n      data.push(obj[key])\n\n    /* Return values */\n    return data\n  }\n\n/* ------------------------------------------------------------------------- */\n\n/* Polyfills for `Element` */\nif (typeof Element !== \"undefined\") {\n\n  /* Polyfill `Element.scrollTo` */\n  if (!Element.prototype.scrollTo)\n    Element.prototype.scrollTo = function (\n      x?: ScrollToOptions | number, y?: number\n    ): void {\n      if (typeof x === \"object\") {\n        this.scrollLeft = x.left!\n        this.scrollTop = x.top!\n      } else {\n        this.scrollLeft = x!\n        this.scrollTop = y!\n      }\n    }\n\n  /* Polyfill `Element.replaceWith` */\n  if (!Element.prototype.replaceWith)\n    Element.prototype.replaceWith = function (\n      ...nodes: Array<string | Node>\n    ): void {\n      const parent = this.parentNode\n      if (parent) {\n        if (nodes.length === 0)\n          parent.removeChild(this)\n\n        /* Replace children and create text nodes */\n        for (let i = nodes.length - 1; i >= 0; i--) {\n          let node = nodes[i]\n          if (typeof node === \"string\")\n            node = document.createTextNode(node)\n          else if (node.parentNode)\n            node.parentNode.removeChild(node)\n\n          /* Replace child or insert before previous sibling */\n          if (!i)\n            parent.replaceChild(node, this)\n          else\n            parent.insertBefore(this.previousSibling!, node)\n        }\n      }\n    }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search configuration\n */\nexport interface SearchConfig {\n  lang: string[]                       /* Search languages */\n  separator: string                    /* Search separator */\n  pipeline: SearchPipelineFn[]         /* Search pipeline */\n}\n\n/**\n * Search document\n */\nexport interface SearchDocument {\n  location: string                     /* Document location */\n  title: string                        /* Document title */\n  text: string                         /* Document text */\n  tags?: string[]                      /* Document tags */\n  boost?: number                       /* Document boost */\n  parent?: SearchDocument              /* Document parent */\n}\n\n/**\n * Search options\n */\nexport interface SearchOptions {\n  suggest: boolean                     /* Search suggestions */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search index\n */\nexport interface SearchIndex {\n  config: SearchConfig                 /* Search configuration */\n  docs: SearchDocument[]               /* Search documents */\n  options: SearchOptions               /* Search options */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search pipeline function\n */\ntype SearchPipelineFn =\n  | \"trimmer\"                          /* Trimmer */\n  | \"stopWordFilter\"                   /* Stop word filter */\n  | \"stemmer\"                          /* Stemmer */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search document map\n *\n * This function creates a mapping of URLs (including anchors) to the actual\n * articles and sections. It relies on the invariant that the search index is\n * ordered with the main article appearing before all sections with anchors.\n * If this is not the case, the logic music be changed.\n *\n * @param docs - Search documents\n *\n * @returns Search document map\n */\nexport function setupSearchDocumentMap(\n  docs: SearchDocument[]\n): Map<string, SearchDocument> {\n  const map = new Map<string, SearchDocument>()\n  for (const doc of docs) {\n    const [path] = doc.location.split(\"#\")\n\n    /* Add document article */\n    const article = map.get(path)\n    if (typeof article === \"undefined\") {\n      map.set(path, doc)\n\n      /* Add document section */\n    } else {\n      map.set(doc.location, doc)\n      doc.parent = article\n    }\n  }\n\n  /* Return search document map */\n  return map\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Visitor function\n *\n * @param start - Start offset\n * @param end - End offset\n */\ntype VisitorFn = (\n  start: number, end: number\n) => void\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Split a string using the given separator\n *\n * @param input - Input value\n * @param separator - Separator\n * @param fn - Visitor function\n */\nexport function split(\n  input: string, separator: RegExp, fn: VisitorFn\n): void {\n  separator = new RegExp(separator, \"g\")\n\n  /* Split string using separator */\n  let match: RegExpExecArray | null\n  let index = 0\n  do {\n    match = separator.exec(input)\n\n    /* Emit non-empty range */\n    const until = match?.index ?? input.length\n    if (index < until)\n      fn(index, until)\n\n    /* Update last index */\n    if (match) {\n      const [term] = match\n      index = match.index + term.length\n\n      /* Support zero-length lookaheads */\n      if (term.length === 0)\n        separator.lastIndex = match.index + 1\n    }\n  } while (match)\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Extraction type\n *\n * This type defines the possible values that are encoded into the first two\n * bits of a section that is part of the blocks of a tokenization table. There\n * are three types of interest: HTML opening and closing tags, as well as the\n * actual text content we need to extract for indexing.\n */\nexport const enum Extract {\n  TAG_OPEN  = 0,                       /* HTML opening tag */\n  TEXT      = 1,                       /* Text content */\n  TAG_CLOSE = 2                        /* HTML closing tag */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Visitor function\n *\n * @param block - Block index\n * @param type - Extraction type\n * @param start - Start offset\n * @param end - End offset\n */\ntype VisitorFn = (\n  block: number, type: Extract, start: number, end: number\n) => void\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Split a string into markup and text sections\n *\n * This function scans a string and divides it up into sections of markup and\n * text. For each section, it invokes the given visitor function with the block\n * index, extraction type, as well as start and end offsets. Using a visitor\n * function (= streaming data) is ideal for minimizing pressure on the GC.\n *\n * @param input - Input value\n * @param fn - Visitor function\n */\nexport function extract(\n  input: string, fn: VisitorFn\n): void {\n\n  let block = 0                        /* Current block */\n  let start = 0                        /* Current start offset */\n  let end = 0                          /* Current end offset */\n\n  /* Split string into sections */\n  for (let stack = 0; end < input.length; end++) {\n\n    /* Opening tag after non-empty section */\n    if (input.charAt(end) === \"<\" && end > start) {\n      fn(block, Extract.TEXT, start, start = end)\n\n    /* Closing tag */\n    } else if (input.charAt(end) === \">\") {\n      if (input.charAt(start + 1) === \"/\") {\n        if (--stack === 0)\n          fn(block++, Extract.TAG_CLOSE, start, end + 1)\n\n      /* Tag is not self-closing */\n      } else if (input.charAt(end - 1) !== \"/\") {\n        if (stack++ === 0)\n          fn(block, Extract.TAG_OPEN, start, end + 1)\n      }\n\n      /* New section */\n      start = end + 1\n    }\n  }\n\n  /* Add trailing section */\n  if (end > start)\n    fn(block, Extract.TEXT, start, end)\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Position table\n */\nexport type PositionTable = number[][]\n\n/**\n * Position\n */\nexport type Position = number\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Highlight all occurrences in a string\n *\n * This function receives a field's value (e.g. like `title` or `text`), it's\n * position table that was generated during indexing, and the positions found\n * when executing the query. It then highlights all occurrences, and returns\n * their concatenation. In case of multiple blocks, two are returned.\n *\n * @param input - Input value\n * @param table - Table for indexing\n * @param positions - Occurrences\n * @param full - Full results\n *\n * @returns Highlighted string value\n */\nexport function highlight(\n  input: string, table: PositionTable, positions: Position[], full = false\n): string {\n  return highlightAll([input], table, positions, full).pop()!\n}\n\n/**\n * Highlight all occurrences in a set of strings\n *\n * @param inputs - Input values\n * @param table - Table for indexing\n * @param positions - Occurrences\n * @param full - Full results\n *\n * @returns Highlighted string values\n */\nexport function highlightAll(\n  inputs: string[], table: PositionTable, positions: Position[], full = false\n): string[] {\n\n  /* Map blocks to input values */\n  const mapping = [0]\n  for (let t = 1; t < table.length; t++) {\n    const prev = table[t - 1]\n    const next = table[t]\n\n    /* Check if table points to new block */\n    const p = prev[prev.length - 1] >>> 2 & 0x3FF\n    const q = next[0]               >>> 12\n\n    /* Add block to mapping */\n    mapping.push(+(p > q) + mapping[mapping.length - 1])\n  }\n\n  /* Highlight strings one after another */\n  return inputs.map((input, i) => {\n    let cursor = 0\n\n    /* Map occurrences to blocks */\n    const blocks = new Map<number, number[]>()\n    for (const p of positions.sort((a, b) => a - b)) {\n      const index = p & 0xFFFFF\n      const block = p >>> 20\n      if (mapping[block] !== i)\n        continue\n\n      /* Ensure presence of block group */\n      let group = blocks.get(block)\n      if (typeof group === \"undefined\")\n        blocks.set(block, group = [])\n\n      /* Add index to group */\n      group.push(index)\n    }\n\n    /* Just return string, if no occurrences */\n    if (blocks.size === 0)\n      return input\n\n    /* Compute slices */\n    const slices: string[] = []\n    for (const [block, indexes] of blocks) {\n      const t = table[block]\n\n      /* Extract positions and length */\n      const start  = t[0]            >>> 12\n      const end    = t[t.length - 1] >>> 12\n      const length = t[t.length - 1] >>> 2 & 0x3FF\n\n      /* Add prefix, if full results are desired */\n      if (full && start > cursor)\n        slices.push(input.slice(cursor, start))\n\n      /* Extract and highlight slice */\n      let slice = input.slice(start, end + length)\n      for (const j of indexes.sort((a, b) => b - a)) {\n\n        /* Retrieve offset and length of match */\n        const p = (t[j] >>> 12) - start\n        const q = (t[j] >>> 2 & 0x3FF) + p\n\n        /* Wrap occurrence */\n        slice = [\n          slice.slice(0, p),\n          \"<mark>\",\n          slice.slice(p, q),\n          \"</mark>\",\n          slice.slice(q)\n        ].join(\"\")\n      }\n\n      /* Update cursor */\n      cursor = end + length\n\n      /* Append slice and abort if we have two */\n      if (slices.push(slice) === 2)\n        break\n    }\n\n    /* Add suffix, if full results are desired */\n    if (full && cursor < input.length)\n      slices.push(input.slice(cursor))\n\n    /* Return highlighted slices */\n    return slices.join(\"\")\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { split } from \"../_\"\nimport {\n  Extract,\n  extract\n} from \"../extract\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Split a string or set of strings into tokens\n *\n * This tokenizer supersedes the default tokenizer that is provided by Lunr.js,\n * as it is aware of HTML tags and allows for multi-character splitting.\n *\n * It takes the given inputs, splits each of them into markup and text sections,\n * tokenizes and segments (if necessary) each of them, and then indexes them in\n * a table by using a compact bit representation. Bitwise techniques are used\n * to write and read from the table during indexing and querying.\n *\n * @see https://bit.ly/3W3Xw4J - Search: better, faster, smaller\n *\n * @param input - Input value(s)\n *\n * @returns Tokens\n */\nexport function tokenize(\n  input?: string | string[]\n): lunr.Token[] {\n  const tokens: lunr.Token[] = []\n  if (typeof input === \"undefined\")\n    return tokens\n\n  /* Tokenize strings one after another */\n  const inputs = Array.isArray(input) ? input : [input]\n  for (let i = 0; i < inputs.length; i++) {\n    const table = lunr.tokenizer.table\n    const total = table.length\n\n    /* Split string into sections and tokenize content blocks */\n    extract(inputs[i], (block, type, start, end) => {\n      table[block += total] ||= []\n      switch (type) {\n\n        /* Handle markup */\n        case Extract.TAG_OPEN:\n        case Extract.TAG_CLOSE:\n          table[block].push(\n            start       << 12 |\n            end - start <<  2 |\n            type\n          )\n          break\n\n        /* Handle text content */\n        case Extract.TEXT:\n          const section = inputs[i].slice(start, end)\n          split(section, lunr.tokenizer.separator, (index, until) => {\n\n            /**\n             * Apply segmenter after tokenization. Note that the segmenter will\n             * also split words at word boundaries, which is not what we want,\n             * so we need to check if we can somehow mitigate this behavior.\n             */\n            if (typeof lunr.segmenter !== \"undefined\") {\n              const subsection = section.slice(index, until)\n              if (/^[MHIK]$/.test(lunr.segmenter.ctype_(subsection))) {\n                const segments = lunr.segmenter.segment(subsection)\n                for (let s = 0, l = 0; s < segments.length; s++) {\n\n                  /* Add block to section */\n                  table[block] ||= []\n                  table[block].push(\n                    start + index + l  << 12 |\n                    segments[s].length <<  2 |\n                    type\n                  )\n\n                  /* Add token with position */\n                  tokens.push(new lunr.Token(\n                    segments[s].toLowerCase(), {\n                      position: block << 20 | table[block].length - 1\n                    }\n                  ))\n\n                  /* Keep track of length */\n                  l += segments[s].length\n                }\n                return\n              }\n            }\n\n            /* Add block to section */\n            table[block].push(\n              start + index << 12 |\n              until - index <<  2 |\n              type\n            )\n\n            /* Add token with position */\n            tokens.push(new lunr.Token(\n              section.slice(index, until).toLowerCase(), {\n                position: block << 20 | table[block].length - 1\n              }\n            ))\n          })\n      }\n    })\n  }\n\n  /* Return tokens */\n  return tokens\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Visitor function\n *\n * @param value - String value\n *\n * @returns String term(s)\n */\ntype VisitorFn = (\n  value: string\n) => string | string[]\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Default transformation function\n *\n * 1. Trim excess whitespace from left and right.\n *\n * 2. Search for parts in quotation marks and prepend a `+` modifier to denote\n *    that the resulting document must contain all parts, converting the query\n *    to an `AND` query (as opposed to the default `OR` behavior). While users\n *    may expect parts enclosed in quotation marks to map to span queries, i.e.\n *    for which order is important, Lunr.js doesn't support them, so the best\n *    we can do is to convert the parts to an `AND` query.\n *\n * 3. Replace control characters which are not located at the beginning of the\n *    query or preceded by white space, or are not followed by a non-whitespace\n *    character or are at the end of the query string. Furthermore, filter\n *    unmatched quotation marks.\n *\n * 4. Split the query string at whitespace, then pass each part to the visitor\n *    function for tokenization, and append a wildcard to every resulting term\n *    that is not explicitly marked with a `+`, `-`, `~` or `^` modifier, since\n *    it ensures consistent and stable ranking when multiple terms are entered.\n *    Also, if a fuzzy or boost modifier are given, but no numeric value has\n *    been entered, default to 1 to not induce a query error.\n *\n * @param query - Query value\n * @param fn - Visitor function\n *\n * @returns Transformed query value\n */\nexport function transform(\n  query: string, fn: VisitorFn = term => term\n): string {\n  return query\n\n    /* => 1 */\n    .trim()\n\n    /* => 2 */\n    .split(/\"([^\"]+)\"/g)\n      .map((parts, index) => index & 1\n        ? parts.replace(/^\\b|^(?![^\\x00-\\x7F]|$)|\\s+/g, \" +\")\n        : parts\n      )\n      .join(\"\")\n\n    /* => 3 */\n    .replace(/\"|(?:^|\\s+)[*+\\-:^~]+(?=\\s+|$)/g, \"\")\n\n    /* => 4 */\n    .split(/\\s+/g)\n      .reduce((prev, term) => {\n        const next = fn(term)\n        return [...prev, ...Array.isArray(next) ? next : [next]]\n      }, [] as string[])\n      .map(term => /([~^]$)/.test(term) ? `${term}1` : term)\n      .map(term => /(^[+-]|[~^]\\d+$)/.test(term) ? term : `${term}*`)\n      .join(\" \")\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { split } from \"../../internal\"\nimport { transform } from \"../transform\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query clause\n */\nexport interface SearchQueryClause {\n  presence: lunr.Query.presence        /* Clause presence */\n  term: string                         /* Clause term */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search query terms\n */\nexport type SearchQueryTerms = Record<string, boolean>\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Transform search query\n *\n * This function lexes the given search query and applies the transformation\n * function to each term, preserving markup like `+` and `-` modifiers.\n *\n * @param query - Search query\n *\n * @returns Search query\n */\nexport function transformSearchQuery(\n  query: string\n): string {\n\n  /* Split query terms with tokenizer */\n  return transform(query, part => {\n    const terms: string[] = []\n\n    /* Initialize lexer and analyze part */\n    const lexer = new lunr.QueryLexer(part)\n    lexer.run()\n\n    /* Extract and tokenize term from lexeme */\n    for (const { type, str: term, start, end } of lexer.lexemes)\n      switch (type) {\n\n        /* Hack: remove colon - see https://bit.ly/3wD3T3I */\n        case \"FIELD\":\n          if (![\"title\", \"text\", \"tags\"].includes(term))\n            part = [\n              part.slice(0, end),\n              \" \",\n              part.slice(end + 1)\n            ].join(\"\")\n          break\n\n        /* Tokenize term */\n        case \"TERM\":\n          split(term, lunr.tokenizer.separator, (...range) => {\n            terms.push([\n              part.slice(0, start),\n              term.slice(...range),\n              part.slice(end)\n            ].join(\"\"))\n          })\n      }\n\n    /* Return terms */\n    return terms\n  })\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Parse a search query for analysis\n *\n * Lunr.js itself has a bug where it doesn't detect or remove wildcards for\n * query clauses, so we must do this here.\n *\n * @see https://bit.ly/3DpTGtz - GitHub issue\n *\n * @param value - Query value\n *\n * @returns Search query clauses\n */\nexport function parseSearchQuery(\n  value: string\n): SearchQueryClause[] {\n  const query  = new lunr.Query([\"title\", \"text\", \"tags\"])\n  const parser = new lunr.QueryParser(value, query)\n\n  /* Parse Search query */\n  parser.parse()\n  for (const clause of query.clauses) {\n    clause.usePipeline = true\n\n    /* Handle leading wildcard */\n    if (clause.term.startsWith(\"*\")) {\n      clause.wildcard = lunr.Query.wildcard.LEADING\n      clause.term = clause.term.slice(1)\n    }\n\n    /* Handle trailing wildcard */\n    if (clause.term.endsWith(\"*\")) {\n      clause.wildcard = lunr.Query.wildcard.TRAILING\n      clause.term = clause.term.slice(0, -1)\n    }\n  }\n\n  /* Return query clauses */\n  return query.clauses\n}\n\n/**\n * Analyze the search query clauses in regard to the search terms found\n *\n * @param query - Search query clauses\n * @param terms - Search terms\n *\n * @returns Search query terms\n */\nexport function getSearchQueryTerms(\n  query: SearchQueryClause[], terms: string[]\n): SearchQueryTerms {\n  const clauses = new Set<SearchQueryClause>(query)\n\n  /* Match query clauses against terms */\n  const result: SearchQueryTerms = {}\n  for (let t = 0; t < terms.length; t++)\n    for (const clause of clauses)\n      if (terms[t].startsWith(clause.term)) {\n        result[clause.term] = true\n        clauses.delete(clause)\n      }\n\n  /* Annotate unmatched non-stopword query clauses */\n  for (const clause of clauses)\n    if (lunr.stopWordFilter?.(clause.term))\n      result[clause.term] = false\n\n  /* Return query terms */\n  return result\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Segment a search query using the inverted index\n *\n * This function implements a clever approach to text segmentation for Asian\n * languages, as it used the information already available in the search index.\n * The idea is to greedily segment the search query based on the tokens that are\n * already part of the index, as described in the linked issue.\n *\n * @see https://bit.ly/3lwjrk7 - GitHub issue\n *\n * @param query - Query value\n * @param index - Inverted index\n *\n * @returns Segmented query value\n */\nexport function segment(\n  query: string, index: object\n): Iterable<string> {\n  const segments = new Set<string>()\n\n  /* Segment search query */\n  const wordcuts = new Uint16Array(query.length)\n  for (let i = 0; i < query.length; i++)\n    for (let j = i + 1; j < query.length; j++) {\n      const value = query.slice(i, j)\n      if (value in index)\n        wordcuts[i] = j - i\n    }\n\n  /* Compute longest matches with minimum overlap */\n  const stack = [0]\n  for (let s = stack.length; s > 0;) {\n    const p = stack[--s]\n    for (let q = 1; q < wordcuts[p]; q++)\n      if (wordcuts[p + q] > wordcuts[p] - q) {\n        segments.add(query.slice(p, p + q))\n        stack[s++] = p + q\n      }\n\n    /* Continue at end of query string */\n    const q = p + wordcuts[p]\n    if (wordcuts[q] && q < query.length - 1)\n      stack[s++] = q\n\n    /* Add current segment */\n    segments.add(query.slice(p, q))\n  }\n\n  // @todo fix this case in the code block above, this is a hotfix\n  if (segments.has(\"\"))\n    return new Set([query])\n\n  /* Return segmented query value */\n  return segments\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  SearchDocument,\n  SearchIndex,\n  SearchOptions,\n  setupSearchDocumentMap\n} from \"../config\"\nimport {\n  Position,\n  PositionTable,\n  highlight,\n  highlightAll,\n  tokenize\n} from \"../internal\"\nimport {\n  SearchQueryTerms,\n  getSearchQueryTerms,\n  parseSearchQuery,\n  segment,\n  transformSearchQuery\n} from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search item\n */\nexport interface SearchItem\n  extends SearchDocument\n{\n  score: number                        /* Score (relevance) */\n  terms: SearchQueryTerms              /* Search query terms */\n}\n\n/**\n * Search result\n */\nexport interface SearchResult {\n  items: SearchItem[][]                /* Search items */\n  suggest?: string[]                   /* Search suggestions */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create field extractor factory\n *\n * @param table - Position table map\n *\n * @returns Extractor factory\n */\nfunction extractor(table: Map<string, PositionTable>) {\n  return (name: keyof SearchDocument) => {\n    return (doc: SearchDocument) => {\n      if (typeof doc[name] === \"undefined\")\n        return undefined\n\n      /* Compute identifier and initialize table */\n      const id = [doc.location, name].join(\":\")\n      table.set(id, lunr.tokenizer.table = [])\n\n      /* Return field value */\n      return doc[name]\n    }\n  }\n}\n\n/**\n * Compute the difference of two lists of strings\n *\n * @param a - 1st list of strings\n * @param b - 2nd list of strings\n *\n * @returns Difference\n */\nfunction difference(a: string[], b: string[]): string[] {\n  const [x, y] = [new Set(a), new Set(b)]\n  return [\n    ...new Set([...x].filter(value => !y.has(value)))\n  ]\n}\n\n/* ----------------------------------------------------------------------------\n * Class\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index\n */\nexport class Search {\n\n  /**\n   * Search document map\n   */\n  protected map: Map<string, SearchDocument>\n\n  /**\n   * Search options\n   */\n  protected options: SearchOptions\n\n  /**\n   * The underlying Lunr.js search index\n   */\n  protected index: lunr.Index\n\n  /**\n   * Internal position table map\n   */\n  protected table: Map<string, PositionTable>\n\n  /**\n   * Create the search integration\n   *\n   * @param data - Search index\n   */\n  public constructor({ config, docs, options }: SearchIndex) {\n    const field = extractor(this.table = new Map())\n\n    /* Set up document map and options */\n    this.map = setupSearchDocumentMap(docs)\n    this.options = options\n\n    /* Set up document index */\n    this.index = lunr(function () {\n      this.metadataWhitelist = [\"position\"]\n      this.b(0)\n\n      /* Set up (multi-)language support */\n      if (config.lang.length === 1 && config.lang[0] !== \"en\") {\n        // @ts-expect-error - namespace indexing not supported\n        this.use(lunr[config.lang[0]])\n      } else if (config.lang.length > 1) {\n        this.use(lunr.multiLanguage(...config.lang))\n      }\n\n      /* Set up custom tokenizer (must be after language setup) */\n      this.tokenizer = tokenize as typeof lunr.tokenizer\n      lunr.tokenizer.separator = new RegExp(config.separator)\n\n      /* Set up custom segmenter, if loaded */\n      lunr.segmenter = \"TinySegmenter\" in lunr\n        ? new lunr.TinySegmenter()\n        : undefined\n\n      /* Compute functions to be removed from the pipeline */\n      const fns = difference([\n        \"trimmer\", \"stopWordFilter\", \"stemmer\"\n      ], config.pipeline)\n\n      /* Remove functions from the pipeline for registered languages */\n      for (const lang of config.lang.map(language => (\n        // @ts-expect-error - namespace indexing not supported\n        language === \"en\" ? lunr : lunr[language]\n      )))\n        for (const fn of fns) {\n          this.pipeline.remove(lang[fn])\n          this.searchPipeline.remove(lang[fn])\n        }\n\n      /* Set up index reference */\n      this.ref(\"location\")\n\n      /* Set up index fields */\n      this.field(\"title\", { boost: 1e3, extractor: field(\"title\") })\n      this.field(\"text\",  { boost: 1e0, extractor: field(\"text\") })\n      this.field(\"tags\",  { boost: 1e6, extractor: field(\"tags\") })\n\n      /* Add documents to index */\n      for (const doc of docs)\n        this.add(doc, { boost: doc.boost })\n    })\n  }\n\n  /**\n   * Search for matching documents\n   *\n   * @param query - Search query\n   *\n   * @returns Search result\n   */\n  public search(query: string): SearchResult {\n\n    // Experimental Chinese segmentation\n    query = query.replace(/\\p{sc=Han}+/gu, value => {\n      return [...segment(value, this.index.invertedIndex)]\n        .join(\"* \")\n    })\n\n    // @todo: move segmenter (above) into transformSearchQuery\n    query = transformSearchQuery(query)\n    if (!query)\n      return { items: [] }\n\n    /* Parse query to extract clauses for analysis */\n    const clauses = parseSearchQuery(query)\n      .filter(clause => (\n        clause.presence !== lunr.Query.presence.PROHIBITED\n      ))\n\n    /* Perform search and post-process results */\n    const groups = this.index.search(query)\n\n      /* Apply post-query boosts based on title and search query terms */\n      .reduce<SearchItem[]>((item, { ref, score, matchData }) => {\n        let doc = this.map.get(ref)\n        if (typeof doc !== \"undefined\") {\n\n          /* Shallow copy document */\n          doc = { ...doc }\n          if (doc.tags)\n            doc.tags = [...doc.tags]\n\n          /* Compute and analyze search query terms */\n          const terms = getSearchQueryTerms(\n            clauses,\n            Object.keys(matchData.metadata)\n          )\n\n          /* Highlight matches in fields */\n          for (const field of this.index.fields) {\n            if (typeof doc[field] === \"undefined\")\n              continue\n\n            /* Collect positions from matches */\n            const positions: Position[] = []\n            for (const match of Object.values(matchData.metadata))\n              if (typeof match[field] !== \"undefined\")\n                positions.push(...match[field].position)\n\n            /* Skip highlighting, if no positions were collected */\n            if (!positions.length)\n              continue\n\n            /* Load table and determine highlighting method */\n            const table = this.table.get([doc.location, field].join(\":\"))!\n            const fn = Array.isArray(doc[field])\n              ? highlightAll\n              : highlight\n\n            // @ts-expect-error - stop moaning, TypeScript!\n            doc[field] = fn(doc[field], table, positions, field !== \"text\")\n          }\n\n          /* Highlight title and text and apply post-query boosts */\n          const boost = +!doc.parent +\n            Object.values(terms)\n              .filter(t => t).length /\n            Object.keys(terms).length\n\n          /* Append item */\n          item.push({\n            ...doc,\n            score: score * (1 + boost ** 2),\n            terms\n          })\n        }\n        return item\n      }, [])\n\n      /* Sort search results again after applying boosts */\n      .sort((a, b) => b.score - a.score)\n\n      /* Group search results by article */\n      .reduce((items, result) => {\n        const doc = this.map.get(result.location)\n        if (typeof doc !== \"undefined\") {\n          const ref = doc.parent\n            ? doc.parent.location\n            : doc.location\n          items.set(ref, [...items.get(ref) || [], result])\n        }\n        return items\n      }, new Map<string, SearchItem[]>())\n\n    /* Ensure that every item set has an article */\n    for (const [ref, items] of groups)\n      if (!items.find(item => item.location === ref)) {\n        const doc = this.map.get(ref)!\n        items.push({ ...doc, score: 0, terms: {} })\n      }\n\n    /* Generate search suggestions, if desired */\n    let suggest: string[] | undefined\n    if (this.options.suggest) {\n      const titles = this.index.query(builder => {\n        for (const clause of clauses)\n          builder.term(clause.term, {\n            fields: [\"title\"],\n            presence: lunr.Query.presence.REQUIRED,\n            wildcard: lunr.Query.wildcard.TRAILING\n          })\n      })\n\n      /* Retrieve suggestions for best match */\n      suggest = titles.length\n        ? Object.keys(titles[0].matchData.metadata)\n        : []\n    }\n\n    /* Return search result */\n    return {\n      items: [...groups.values()],\n      ...typeof suggest !== \"undefined\" && { suggest }\n    }\n  }\n}\n"],
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+  "sourcesContent": ["/**\n * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.3.9\n * Copyright (C) 2020 Oliver Nightingale\n * @license MIT\n */\n\n;(function(){\n\n/**\n * A convenience function for configuring and constructing\n * a new lunr Index.\n *\n * A lunr.Builder instance is created and the pipeline setup\n * with a trimmer, stop word filter and stemmer.\n *\n * This builder object is yielded to the configuration function\n * that is passed as a parameter, allowing the list of fields\n * and other builder parameters to be customised.\n *\n * All documents _must_ be added within the passed config function.\n *\n * @example\n * var idx = lunr(function () {\n *   this.field('title')\n *   this.field('body')\n *   this.ref('id')\n *\n *   documents.forEach(function (doc) {\n *     this.add(doc)\n *   }, this)\n * })\n *\n * @see {@link lunr.Builder}\n * @see {@link lunr.Pipeline}\n * @see {@link lunr.trimmer}\n * @see {@link lunr.stopWordFilter}\n * @see {@link lunr.stemmer}\n * @namespace {function} lunr\n */\nvar lunr = function (config) {\n  var builder = new lunr.Builder\n\n  builder.pipeline.add(\n    lunr.trimmer,\n    lunr.stopWordFilter,\n    lunr.stemmer\n  )\n\n  builder.searchPipeline.add(\n    lunr.stemmer\n  )\n\n  config.call(builder, builder)\n  return builder.build()\n}\n\nlunr.version = \"2.3.9\"\n/*!\n * lunr.utils\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A namespace containing utils for the rest of the lunr library\n * @namespace lunr.utils\n */\nlunr.utils = {}\n\n/**\n * Print a warning message to the console.\n *\n * @param {String} message The message to be printed.\n * @memberOf lunr.utils\n * @function\n */\nlunr.utils.warn = (function (global) {\n  /* eslint-disable no-console */\n  return function (message) {\n    if (global.console && console.warn) {\n      console.warn(message)\n    }\n  }\n  /* eslint-enable no-console */\n})(this)\n\n/**\n * Convert an object to a string.\n *\n * In the case of `null` and `undefined` the function returns\n * the empty string, in all other cases the result of calling\n * `toString` on the passed object is returned.\n *\n * @param {Any} obj The object to convert to a string.\n * @return {String} string representation of the passed object.\n * @memberOf lunr.utils\n */\nlunr.utils.asString = function (obj) {\n  if (obj === void 0 || obj === null) {\n    return \"\"\n  } else {\n    return obj.toString()\n  }\n}\n\n/**\n * Clones an object.\n *\n * Will create a copy of an existing object such that any mutations\n * on the copy cannot affect the original.\n *\n * Only shallow objects are supported, passing a nested object to this\n * function will cause a TypeError.\n *\n * Objects with primitives, and arrays of primitives are supported.\n *\n * @param {Object} obj The object to clone.\n * @return {Object} a clone of the passed object.\n * @throws {TypeError} when a nested object is passed.\n * @memberOf Utils\n */\nlunr.utils.clone = function (obj) {\n  if (obj === null || obj === undefined) {\n    return obj\n  }\n\n  var clone = Object.create(null),\n      keys = Object.keys(obj)\n\n  for (var i = 0; i < keys.length; i++) {\n    var key = keys[i],\n        val = obj[key]\n\n    if (Array.isArray(val)) {\n      clone[key] = val.slice()\n      continue\n    }\n\n    if (typeof val === 'string' ||\n        typeof val === 'number' ||\n        typeof val === 'boolean') {\n      clone[key] = val\n      continue\n    }\n\n    throw new TypeError(\"clone is not deep and does not support nested objects\")\n  }\n\n  return clone\n}\nlunr.FieldRef = function (docRef, fieldName, stringValue) {\n  this.docRef = docRef\n  this.fieldName = fieldName\n  this._stringValue = stringValue\n}\n\nlunr.FieldRef.joiner = \"/\"\n\nlunr.FieldRef.fromString = function (s) {\n  var n = s.indexOf(lunr.FieldRef.joiner)\n\n  if (n === -1) {\n    throw \"malformed field ref string\"\n  }\n\n  var fieldRef = s.slice(0, n),\n      docRef = s.slice(n + 1)\n\n  return new lunr.FieldRef (docRef, fieldRef, s)\n}\n\nlunr.FieldRef.prototype.toString = function () {\n  if (this._stringValue == undefined) {\n    this._stringValue = this.fieldName + lunr.FieldRef.joiner + this.docRef\n  }\n\n  return this._stringValue\n}\n/*!\n * lunr.Set\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A lunr set.\n *\n * @constructor\n */\nlunr.Set = function (elements) {\n  this.elements = Object.create(null)\n\n  if (elements) {\n    this.length = elements.length\n\n    for (var i = 0; i < this.length; i++) {\n      this.elements[elements[i]] = true\n    }\n  } else {\n    this.length = 0\n  }\n}\n\n/**\n * A complete set that contains all elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.complete = {\n  intersect: function (other) {\n    return other\n  },\n\n  union: function () {\n    return this\n  },\n\n  contains: function () {\n    return true\n  }\n}\n\n/**\n * An empty set that contains no elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.empty = {\n  intersect: function () {\n    return this\n  },\n\n  union: function (other) {\n    return other\n  },\n\n  contains: function () {\n    return false\n  }\n}\n\n/**\n * Returns true if this set contains the specified object.\n *\n * @param {object} object - Object whose presence in this set is to be tested.\n * @returns {boolean} - True if this set contains the specified object.\n */\nlunr.Set.prototype.contains = function (object) {\n  return !!this.elements[object]\n}\n\n/**\n * Returns a new set containing only the elements that are present in both\n * this set and the specified set.\n *\n * @param {lunr.Set} other - set to intersect with this set.\n * @returns {lunr.Set} a new set that is the intersection of this and the specified set.\n */\n\nlunr.Set.prototype.intersect = function (other) {\n  var a, b, elements, intersection = []\n\n  if (other === lunr.Set.complete) {\n    return this\n  }\n\n  if (other === lunr.Set.empty) {\n    return other\n  }\n\n  if (this.length < other.length) {\n    a = this\n    b = other\n  } else {\n    a = other\n    b = this\n  }\n\n  elements = Object.keys(a.elements)\n\n  for (var i = 0; i < elements.length; i++) {\n    var element = elements[i]\n    if (element in b.elements) {\n      intersection.push(element)\n    }\n  }\n\n  return new lunr.Set (intersection)\n}\n\n/**\n * Returns a new set combining the elements of this and the specified set.\n *\n * @param {lunr.Set} other - set to union with this set.\n * @return {lunr.Set} a new set that is the union of this and the specified set.\n */\n\nlunr.Set.prototype.union = function (other) {\n  if (other === lunr.Set.complete) {\n    return lunr.Set.complete\n  }\n\n  if (other === lunr.Set.empty) {\n    return this\n  }\n\n  return new lunr.Set(Object.keys(this.elements).concat(Object.keys(other.elements)))\n}\n/**\n * A function to calculate the inverse document frequency for\n * a posting. This is shared between the builder and the index\n *\n * @private\n * @param {object} posting - The posting for a given term\n * @param {number} documentCount - The total number of documents.\n */\nlunr.idf = function (posting, documentCount) {\n  var documentsWithTerm = 0\n\n  for (var fieldName in posting) {\n    if (fieldName == '_index') continue // Ignore the term index, its not a field\n    documentsWithTerm += Object.keys(posting[fieldName]).length\n  }\n\n  var x = (documentCount - documentsWithTerm + 0.5) / (documentsWithTerm + 0.5)\n\n  return Math.log(1 + Math.abs(x))\n}\n\n/**\n * A token wraps a string representation of a token\n * as it is passed through the text processing pipeline.\n *\n * @constructor\n * @param {string} [str=''] - The string token being wrapped.\n * @param {object} [metadata={}] - Metadata associated with this token.\n */\nlunr.Token = function (str, metadata) {\n  this.str = str || \"\"\n  this.metadata = metadata || {}\n}\n\n/**\n * Returns the token string that is being wrapped by this object.\n *\n * @returns {string}\n */\nlunr.Token.prototype.toString = function () {\n  return this.str\n}\n\n/**\n * A token update function is used when updating or optionally\n * when cloning a token.\n *\n * @callback lunr.Token~updateFunction\n * @param {string} str - The string representation of the token.\n * @param {Object} metadata - All metadata associated with this token.\n */\n\n/**\n * Applies the given function to the wrapped string token.\n *\n * @example\n * token.update(function (str, metadata) {\n *   return str.toUpperCase()\n * })\n *\n * @param {lunr.Token~updateFunction} fn - A function to apply to the token string.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.update = function (fn) {\n  this.str = fn(this.str, this.metadata)\n  return this\n}\n\n/**\n * Creates a clone of this token. Optionally a function can be\n * applied to the cloned token.\n *\n * @param {lunr.Token~updateFunction} [fn] - An optional function to apply to the cloned token.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.clone = function (fn) {\n  fn = fn || function (s) { return s }\n  return new lunr.Token (fn(this.str, this.metadata), this.metadata)\n}\n/*!\n * lunr.tokenizer\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A function for splitting a string into tokens ready to be inserted into\n * the search index. Uses `lunr.tokenizer.separator` to split strings, change\n * the value of this property to change how strings are split into tokens.\n *\n * This tokenizer will convert its parameter to a string by calling `toString` and\n * then will split this string on the character in `lunr.tokenizer.separator`.\n * Arrays will have their elements converted to strings and wrapped in a lunr.Token.\n *\n * Optional metadata can be passed to the tokenizer, this metadata will be cloned and\n * added as metadata to every token that is created from the object to be tokenized.\n *\n * @static\n * @param {?(string|object|object[])} obj - The object to convert into tokens\n * @param {?object} metadata - Optional metadata to associate with every token\n * @returns {lunr.Token[]}\n * @see {@link lunr.Pipeline}\n */\nlunr.tokenizer = function (obj, metadata) {\n  if (obj == null || obj == undefined) {\n    return []\n  }\n\n  if (Array.isArray(obj)) {\n    return obj.map(function (t) {\n      return new lunr.Token(\n        lunr.utils.asString(t).toLowerCase(),\n        lunr.utils.clone(metadata)\n      )\n    })\n  }\n\n  var str = obj.toString().toLowerCase(),\n      len = str.length,\n      tokens = []\n\n  for (var sliceEnd = 0, sliceStart = 0; sliceEnd <= len; sliceEnd++) {\n    var char = str.charAt(sliceEnd),\n        sliceLength = sliceEnd - sliceStart\n\n    if ((char.match(lunr.tokenizer.separator) || sliceEnd == len)) {\n\n      if (sliceLength > 0) {\n        var tokenMetadata = lunr.utils.clone(metadata) || {}\n        tokenMetadata[\"position\"] = [sliceStart, sliceLength]\n        tokenMetadata[\"index\"] = tokens.length\n\n        tokens.push(\n          new lunr.Token (\n            str.slice(sliceStart, sliceEnd),\n            tokenMetadata\n          )\n        )\n      }\n\n      sliceStart = sliceEnd + 1\n    }\n\n  }\n\n  return tokens\n}\n\n/**\n * The separator used to split a string into tokens. Override this property to change the behaviour of\n * `lunr.tokenizer` behaviour when tokenizing strings. By default this splits on whitespace and hyphens.\n *\n * @static\n * @see lunr.tokenizer\n */\nlunr.tokenizer.separator = /[\\s\\-]+/\n/*!\n * lunr.Pipeline\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.Pipelines maintain an ordered list of functions to be applied to all\n * tokens in documents entering the search index and queries being ran against\n * the index.\n *\n * An instance of lunr.Index created with the lunr shortcut will contain a\n * pipeline with a stop word filter and an English language stemmer. Extra\n * functions can be added before or after either of these functions or these\n * default functions can be removed.\n *\n * When run the pipeline will call each function in turn, passing a token, the\n * index of that token in the original list of all tokens and finally a list of\n * all the original tokens.\n *\n * The output of functions in the pipeline will be passed to the next function\n * in the pipeline. To exclude a token from entering the index the function\n * should return undefined, the rest of the pipeline will not be called with\n * this token.\n *\n * For serialisation of pipelines to work, all functions used in an instance of\n * a pipeline should be registered with lunr.Pipeline. Registered functions can\n * then be loaded. If trying to load a serialised pipeline that uses functions\n * that are not registered an error will be thrown.\n *\n * If not planning on serialising the pipeline then registering pipeline functions\n * is not necessary.\n *\n * @constructor\n */\nlunr.Pipeline = function () {\n  this._stack = []\n}\n\nlunr.Pipeline.registeredFunctions = Object.create(null)\n\n/**\n * A pipeline function maps lunr.Token to lunr.Token. A lunr.Token contains the token\n * string as well as all known metadata. A pipeline function can mutate the token string\n * or mutate (or add) metadata for a given token.\n *\n * A pipeline function can indicate that the passed token should be discarded by returning\n * null, undefined or an empty string. This token will not be passed to any downstream pipeline\n * functions and will not be added to the index.\n *\n * Multiple tokens can be returned by returning an array of tokens. Each token will be passed\n * to any downstream pipeline functions and all will returned tokens will be added to the index.\n *\n * Any number of pipeline functions may be chained together using a lunr.Pipeline.\n *\n * @interface lunr.PipelineFunction\n * @param {lunr.Token} token - A token from the document being processed.\n * @param {number} i - The index of this token in the complete list of tokens for this document/field.\n * @param {lunr.Token[]} tokens - All tokens for this document/field.\n * @returns {(?lunr.Token|lunr.Token[])}\n */\n\n/**\n * Register a function with the pipeline.\n *\n * Functions that are used in the pipeline should be registered if the pipeline\n * needs to be serialised, or a serialised pipeline needs to be loaded.\n *\n * Registering a function does not add it to a pipeline, functions must still be\n * added to instances of the pipeline for them to be used when running a pipeline.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @param {String} label - The label to register this function with\n */\nlunr.Pipeline.registerFunction = function (fn, label) {\n  if (label in this.registeredFunctions) {\n    lunr.utils.warn('Overwriting existing registered function: ' + label)\n  }\n\n  fn.label = label\n  lunr.Pipeline.registeredFunctions[fn.label] = fn\n}\n\n/**\n * Warns if the function is not registered as a Pipeline function.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @private\n */\nlunr.Pipeline.warnIfFunctionNotRegistered = function (fn) {\n  var isRegistered = fn.label && (fn.label in this.registeredFunctions)\n\n  if (!isRegistered) {\n    lunr.utils.warn('Function is not registered with pipeline. This may cause problems when serialising the index.\\n', fn)\n  }\n}\n\n/**\n * Loads a previously serialised pipeline.\n *\n * All functions to be loaded must already be registered with lunr.Pipeline.\n * If any function from the serialised data has not been registered then an\n * error will be thrown.\n *\n * @param {Object} serialised - The serialised pipeline to load.\n * @returns {lunr.Pipeline}\n */\nlunr.Pipeline.load = function (serialised) {\n  var pipeline = new lunr.Pipeline\n\n  serialised.forEach(function (fnName) {\n    var fn = lunr.Pipeline.registeredFunctions[fnName]\n\n    if (fn) {\n      pipeline.add(fn)\n    } else {\n      throw new Error('Cannot load unregistered function: ' + fnName)\n    }\n  })\n\n  return pipeline\n}\n\n/**\n * Adds new functions to the end of the pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction[]} functions - Any number of functions to add to the pipeline.\n */\nlunr.Pipeline.prototype.add = function () {\n  var fns = Array.prototype.slice.call(arguments)\n\n  fns.forEach(function (fn) {\n    lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n    this._stack.push(fn)\n  }, this)\n}\n\n/**\n * Adds a single function after a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.after = function (existingFn, newFn) {\n  lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n  var pos = this._stack.indexOf(existingFn)\n  if (pos == -1) {\n    throw new Error('Cannot find existingFn')\n  }\n\n  pos = pos + 1\n  this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Adds a single function before a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.before = function (existingFn, newFn) {\n  lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n  var pos = this._stack.indexOf(existingFn)\n  if (pos == -1) {\n    throw new Error('Cannot find existingFn')\n  }\n\n  this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Removes a function from the pipeline.\n *\n * @param {lunr.PipelineFunction} fn The function to remove from the pipeline.\n */\nlunr.Pipeline.prototype.remove = function (fn) {\n  var pos = this._stack.indexOf(fn)\n  if (pos == -1) {\n    return\n  }\n\n  this._stack.splice(pos, 1)\n}\n\n/**\n * Runs the current list of functions that make up the pipeline against the\n * passed tokens.\n *\n * @param {Array} tokens The tokens to run through the pipeline.\n * @returns {Array}\n */\nlunr.Pipeline.prototype.run = function (tokens) {\n  var stackLength = this._stack.length\n\n  for (var i = 0; i < stackLength; i++) {\n    var fn = this._stack[i]\n    var memo = []\n\n    for (var j = 0; j < tokens.length; j++) {\n      var result = fn(tokens[j], j, tokens)\n\n      if (result === null || result === void 0 || result === '') continue\n\n      if (Array.isArray(result)) {\n        for (var k = 0; k < result.length; k++) {\n          memo.push(result[k])\n        }\n      } else {\n        memo.push(result)\n      }\n    }\n\n    tokens = memo\n  }\n\n  return tokens\n}\n\n/**\n * Convenience method for passing a string through a pipeline and getting\n * strings out. This method takes care of wrapping the passed string in a\n * token and mapping the resulting tokens back to strings.\n *\n * @param {string} str - The string to pass through the pipeline.\n * @param {?object} metadata - Optional metadata to associate with the token\n * passed to the pipeline.\n * @returns {string[]}\n */\nlunr.Pipeline.prototype.runString = function (str, metadata) {\n  var token = new lunr.Token (str, metadata)\n\n  return this.run([token]).map(function (t) {\n    return t.toString()\n  })\n}\n\n/**\n * Resets the pipeline by removing any existing processors.\n *\n */\nlunr.Pipeline.prototype.reset = function () {\n  this._stack = []\n}\n\n/**\n * Returns a representation of the pipeline ready for serialisation.\n *\n * Logs a warning if the function has not been registered.\n *\n * @returns {Array}\n */\nlunr.Pipeline.prototype.toJSON = function () {\n  return this._stack.map(function (fn) {\n    lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n\n    return fn.label\n  })\n}\n/*!\n * lunr.Vector\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A vector is used to construct the vector space of documents and queries. These\n * vectors support operations to determine the similarity between two documents or\n * a document and a query.\n *\n * Normally no parameters are required for initializing a vector, but in the case of\n * loading a previously dumped vector the raw elements can be provided to the constructor.\n *\n * For performance reasons vectors are implemented with a flat array, where an elements\n * index is immediately followed by its value. E.g. [index, value, index, value]. This\n * allows the underlying array to be as sparse as possible and still offer decent\n * performance when being used for vector calculations.\n *\n * @constructor\n * @param {Number[]} [elements] - The flat list of element index and element value pairs.\n */\nlunr.Vector = function (elements) {\n  this._magnitude = 0\n  this.elements = elements || []\n}\n\n\n/**\n * Calculates the position within the vector to insert a given index.\n *\n * This is used internally by insert and upsert. If there are duplicate indexes then\n * the position is returned as if the value for that index were to be updated, but it\n * is the callers responsibility to check whether there is a duplicate at that index\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @returns {Number}\n */\nlunr.Vector.prototype.positionForIndex = function (index) {\n  // For an empty vector the tuple can be inserted at the beginning\n  if (this.elements.length == 0) {\n    return 0\n  }\n\n  var start = 0,\n      end = this.elements.length / 2,\n      sliceLength = end - start,\n      pivotPoint = Math.floor(sliceLength / 2),\n      pivotIndex = this.elements[pivotPoint * 2]\n\n  while (sliceLength > 1) {\n    if (pivotIndex < index) {\n      start = pivotPoint\n    }\n\n    if (pivotIndex > index) {\n      end = pivotPoint\n    }\n\n    if (pivotIndex == index) {\n      break\n    }\n\n    sliceLength = end - start\n    pivotPoint = start + Math.floor(sliceLength / 2)\n    pivotIndex = this.elements[pivotPoint * 2]\n  }\n\n  if (pivotIndex == index) {\n    return pivotPoint * 2\n  }\n\n  if (pivotIndex > index) {\n    return pivotPoint * 2\n  }\n\n  if (pivotIndex < index) {\n    return (pivotPoint + 1) * 2\n  }\n}\n\n/**\n * Inserts an element at an index within the vector.\n *\n * Does not allow duplicates, will throw an error if there is already an entry\n * for this index.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n */\nlunr.Vector.prototype.insert = function (insertIdx, val) {\n  this.upsert(insertIdx, val, function () {\n    throw \"duplicate index\"\n  })\n}\n\n/**\n * Inserts or updates an existing index within the vector.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n * @param {function} fn - A function that is called for updates, the existing value and the\n * requested value are passed as arguments\n */\nlunr.Vector.prototype.upsert = function (insertIdx, val, fn) {\n  this._magnitude = 0\n  var position = this.positionForIndex(insertIdx)\n\n  if (this.elements[position] == insertIdx) {\n    this.elements[position + 1] = fn(this.elements[position + 1], val)\n  } else {\n    this.elements.splice(position, 0, insertIdx, val)\n  }\n}\n\n/**\n * Calculates the magnitude of this vector.\n *\n * @returns {Number}\n */\nlunr.Vector.prototype.magnitude = function () {\n  if (this._magnitude) return this._magnitude\n\n  var sumOfSquares = 0,\n      elementsLength = this.elements.length\n\n  for (var i = 1; i < elementsLength; i += 2) {\n    var val = this.elements[i]\n    sumOfSquares += val * val\n  }\n\n  return this._magnitude = Math.sqrt(sumOfSquares)\n}\n\n/**\n * Calculates the dot product of this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The vector to compute the dot product with.\n * @returns {Number}\n */\nlunr.Vector.prototype.dot = function (otherVector) {\n  var dotProduct = 0,\n      a = this.elements, b = otherVector.elements,\n      aLen = a.length, bLen = b.length,\n      aVal = 0, bVal = 0,\n      i = 0, j = 0\n\n  while (i < aLen && j < bLen) {\n    aVal = a[i], bVal = b[j]\n    if (aVal < bVal) {\n      i += 2\n    } else if (aVal > bVal) {\n      j += 2\n    } else if (aVal == bVal) {\n      dotProduct += a[i + 1] * b[j + 1]\n      i += 2\n      j += 2\n    }\n  }\n\n  return dotProduct\n}\n\n/**\n * Calculates the similarity between this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The other vector to calculate the\n * similarity with.\n * @returns {Number}\n */\nlunr.Vector.prototype.similarity = function (otherVector) {\n  return this.dot(otherVector) / this.magnitude() || 0\n}\n\n/**\n * Converts the vector to an array of the elements within the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toArray = function () {\n  var output = new Array (this.elements.length / 2)\n\n  for (var i = 1, j = 0; i < this.elements.length; i += 2, j++) {\n    output[j] = this.elements[i]\n  }\n\n  return output\n}\n\n/**\n * A JSON serializable representation of the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toJSON = function () {\n  return this.elements\n}\n/* eslint-disable */\n/*!\n * lunr.stemmer\n * Copyright (C) 2020 Oliver Nightingale\n * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt\n */\n\n/**\n * lunr.stemmer is an english language stemmer, this is a JavaScript\n * implementation of the PorterStemmer taken from http://tartarus.org/~martin\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token - The string to stem\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n * @function\n */\nlunr.stemmer = (function(){\n  var step2list = {\n      \"ational\" : \"ate\",\n      \"tional\" : \"tion\",\n      \"enci\" : \"ence\",\n      \"anci\" : \"ance\",\n      \"izer\" : \"ize\",\n      \"bli\" : \"ble\",\n      \"alli\" : \"al\",\n      \"entli\" : \"ent\",\n      \"eli\" : \"e\",\n      \"ousli\" : \"ous\",\n      \"ization\" : \"ize\",\n      \"ation\" : \"ate\",\n      \"ator\" : \"ate\",\n      \"alism\" : \"al\",\n      \"iveness\" : \"ive\",\n      \"fulness\" : \"ful\",\n      \"ousness\" : \"ous\",\n      \"aliti\" : \"al\",\n      \"iviti\" : \"ive\",\n      \"biliti\" : \"ble\",\n      \"logi\" : \"log\"\n    },\n\n    step3list = {\n      \"icate\" : \"ic\",\n      \"ative\" : \"\",\n      \"alize\" : \"al\",\n      \"iciti\" : \"ic\",\n      \"ical\" : \"ic\",\n      \"ful\" : \"\",\n      \"ness\" : \"\"\n    },\n\n    c = \"[^aeiou]\",          // consonant\n    v = \"[aeiouy]\",          // vowel\n    C = c + \"[^aeiouy]*\",    // consonant sequence\n    V = v + \"[aeiou]*\",      // vowel sequence\n\n    mgr0 = \"^(\" + C + \")?\" + V + C,               // [C]VC... is m>0\n    meq1 = \"^(\" + C + \")?\" + V + C + \"(\" + V + \")?$\",  // [C]VC[V] is m=1\n    mgr1 = \"^(\" + C + \")?\" + V + C + V + C,       // [C]VCVC... is m>1\n    s_v = \"^(\" + C + \")?\" + v;                   // vowel in stem\n\n  var re_mgr0 = new RegExp(mgr0);\n  var re_mgr1 = new RegExp(mgr1);\n  var re_meq1 = new RegExp(meq1);\n  var re_s_v = new RegExp(s_v);\n\n  var re_1a = /^(.+?)(ss|i)es$/;\n  var re2_1a = /^(.+?)([^s])s$/;\n  var re_1b = /^(.+?)eed$/;\n  var re2_1b = /^(.+?)(ed|ing)$/;\n  var re_1b_2 = /.$/;\n  var re2_1b_2 = /(at|bl|iz)$/;\n  var re3_1b_2 = new RegExp(\"([^aeiouylsz])\\\\1$\");\n  var re4_1b_2 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n  var re_1c = /^(.+?[^aeiou])y$/;\n  var re_2 = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;\n\n  var re_3 = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;\n\n  var re_4 = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;\n  var re2_4 = /^(.+?)(s|t)(ion)$/;\n\n  var re_5 = /^(.+?)e$/;\n  var re_5_1 = /ll$/;\n  var re3_5 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n  var porterStemmer = function porterStemmer(w) {\n    var stem,\n      suffix,\n      firstch,\n      re,\n      re2,\n      re3,\n      re4;\n\n    if (w.length < 3) { return w; }\n\n    firstch = w.substr(0,1);\n    if (firstch == \"y\") {\n      w = firstch.toUpperCase() + w.substr(1);\n    }\n\n    // Step 1a\n    re = re_1a\n    re2 = re2_1a;\n\n    if (re.test(w)) { w = w.replace(re,\"$1$2\"); }\n    else if (re2.test(w)) { w = w.replace(re2,\"$1$2\"); }\n\n    // Step 1b\n    re = re_1b;\n    re2 = re2_1b;\n    if (re.test(w)) {\n      var fp = re.exec(w);\n      re = re_mgr0;\n      if (re.test(fp[1])) {\n        re = re_1b_2;\n        w = w.replace(re,\"\");\n      }\n    } else if (re2.test(w)) {\n      var fp = re2.exec(w);\n      stem = fp[1];\n      re2 = re_s_v;\n      if (re2.test(stem)) {\n        w = stem;\n        re2 = re2_1b_2;\n        re3 = re3_1b_2;\n        re4 = re4_1b_2;\n        if (re2.test(w)) { w = w + \"e\"; }\n        else if (re3.test(w)) { re = re_1b_2; w = w.replace(re,\"\"); }\n        else if (re4.test(w)) { w = w + \"e\"; }\n      }\n    }\n\n    // Step 1c - replace suffix y or Y by i if preceded by a non-vowel which is not the first letter of the word (so cry -> cri, by -> by, say -> say)\n    re = re_1c;\n    if (re.test(w)) {\n      var fp = re.exec(w);\n      stem = fp[1];\n      w = stem + \"i\";\n    }\n\n    // Step 2\n    re = re_2;\n    if (re.test(w)) {\n      var fp = re.exec(w);\n      stem = fp[1];\n      suffix = fp[2];\n      re = re_mgr0;\n      if (re.test(stem)) {\n        w = stem + step2list[suffix];\n      }\n    }\n\n    // Step 3\n    re = re_3;\n    if (re.test(w)) {\n      var fp = re.exec(w);\n      stem = fp[1];\n      suffix = fp[2];\n      re = re_mgr0;\n      if (re.test(stem)) {\n        w = stem + step3list[suffix];\n      }\n    }\n\n    // Step 4\n    re = re_4;\n    re2 = re2_4;\n    if (re.test(w)) {\n      var fp = re.exec(w);\n      stem = fp[1];\n      re = re_mgr1;\n      if (re.test(stem)) {\n        w = stem;\n      }\n    } else if (re2.test(w)) {\n      var fp = re2.exec(w);\n      stem = fp[1] + fp[2];\n      re2 = re_mgr1;\n      if (re2.test(stem)) {\n        w = stem;\n      }\n    }\n\n    // Step 5\n    re = re_5;\n    if (re.test(w)) {\n      var fp = re.exec(w);\n      stem = fp[1];\n      re = re_mgr1;\n      re2 = re_meq1;\n      re3 = re3_5;\n      if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) {\n        w = stem;\n      }\n    }\n\n    re = re_5_1;\n    re2 = re_mgr1;\n    if (re.test(w) && re2.test(w)) {\n      re = re_1b_2;\n      w = w.replace(re,\"\");\n    }\n\n    // and turn initial Y back to y\n\n    if (firstch == \"y\") {\n      w = firstch.toLowerCase() + w.substr(1);\n    }\n\n    return w;\n  };\n\n  return function (token) {\n    return token.update(porterStemmer);\n  }\n})();\n\nlunr.Pipeline.registerFunction(lunr.stemmer, 'stemmer')\n/*!\n * lunr.stopWordFilter\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.generateStopWordFilter builds a stopWordFilter function from the provided\n * list of stop words.\n *\n * The built in lunr.stopWordFilter is built using this generator and can be used\n * to generate custom stopWordFilters for applications or non English languages.\n *\n * @function\n * @param {Array} token The token to pass through the filter\n * @returns {lunr.PipelineFunction}\n * @see lunr.Pipeline\n * @see lunr.stopWordFilter\n */\nlunr.generateStopWordFilter = function (stopWords) {\n  var words = stopWords.reduce(function (memo, stopWord) {\n    memo[stopWord] = stopWord\n    return memo\n  }, {})\n\n  return function (token) {\n    if (token && words[token.toString()] !== token.toString()) return token\n  }\n}\n\n/**\n * lunr.stopWordFilter is an English language stop word list filter, any words\n * contained in the list will not be passed through the filter.\n *\n * This is intended to be used in the Pipeline. If the token does not pass the\n * filter then undefined will be returned.\n *\n * @function\n * @implements {lunr.PipelineFunction}\n * @params {lunr.Token} token - A token to check for being a stop word.\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n */\nlunr.stopWordFilter = lunr.generateStopWordFilter([\n  'a',\n  'able',\n  'about',\n  'across',\n  'after',\n  'all',\n  'almost',\n  'also',\n  'am',\n  'among',\n  'an',\n  'and',\n  'any',\n  'are',\n  'as',\n  'at',\n  'be',\n  'because',\n  'been',\n  'but',\n  'by',\n  'can',\n  'cannot',\n  'could',\n  'dear',\n  'did',\n  'do',\n  'does',\n  'either',\n  'else',\n  'ever',\n  'every',\n  'for',\n  'from',\n  'get',\n  'got',\n  'had',\n  'has',\n  'have',\n  'he',\n  'her',\n  'hers',\n  'him',\n  'his',\n  'how',\n  'however',\n  'i',\n  'if',\n  'in',\n  'into',\n  'is',\n  'it',\n  'its',\n  'just',\n  'least',\n  'let',\n  'like',\n  'likely',\n  'may',\n  'me',\n  'might',\n  'most',\n  'must',\n  'my',\n  'neither',\n  'no',\n  'nor',\n  'not',\n  'of',\n  'off',\n  'often',\n  'on',\n  'only',\n  'or',\n  'other',\n  'our',\n  'own',\n  'rather',\n  'said',\n  'say',\n  'says',\n  'she',\n  'should',\n  'since',\n  'so',\n  'some',\n  'than',\n  'that',\n  'the',\n  'their',\n  'them',\n  'then',\n  'there',\n  'these',\n  'they',\n  'this',\n  'tis',\n  'to',\n  'too',\n  'twas',\n  'us',\n  'wants',\n  'was',\n  'we',\n  'were',\n  'what',\n  'when',\n  'where',\n  'which',\n  'while',\n  'who',\n  'whom',\n  'why',\n  'will',\n  'with',\n  'would',\n  'yet',\n  'you',\n  'your'\n])\n\nlunr.Pipeline.registerFunction(lunr.stopWordFilter, 'stopWordFilter')\n/*!\n * lunr.trimmer\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.trimmer is a pipeline function for trimming non word\n * characters from the beginning and end of tokens before they\n * enter the index.\n *\n * This implementation may not work correctly for non latin\n * characters and should either be removed or adapted for use\n * with languages with non-latin characters.\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token The token to pass through the filter\n * @returns {lunr.Token}\n * @see lunr.Pipeline\n */\nlunr.trimmer = function (token) {\n  return token.update(function (s) {\n    return s.replace(/^\\W+/, '').replace(/\\W+$/, '')\n  })\n}\n\nlunr.Pipeline.registerFunction(lunr.trimmer, 'trimmer')\n/*!\n * lunr.TokenSet\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A token set is used to store the unique list of all tokens\n * within an index. Token sets are also used to represent an\n * incoming query to the index, this query token set and index\n * token set are then intersected to find which tokens to look\n * up in the inverted index.\n *\n * A token set can hold multiple tokens, as in the case of the\n * index token set, or it can hold a single token as in the\n * case of a simple query token set.\n *\n * Additionally token sets are used to perform wildcard matching.\n * Leading, contained and trailing wildcards are supported, and\n * from this edit distance matching can also be provided.\n *\n * Token sets are implemented as a minimal finite state automata,\n * where both common prefixes and suffixes are shared between tokens.\n * This helps to reduce the space used for storing the token set.\n *\n * @constructor\n */\nlunr.TokenSet = function () {\n  this.final = false\n  this.edges = {}\n  this.id = lunr.TokenSet._nextId\n  lunr.TokenSet._nextId += 1\n}\n\n/**\n * Keeps track of the next, auto increment, identifier to assign\n * to a new tokenSet.\n *\n * TokenSets require a unique identifier to be correctly minimised.\n *\n * @private\n */\nlunr.TokenSet._nextId = 1\n\n/**\n * Creates a TokenSet instance from the given sorted array of words.\n *\n * @param {String[]} arr - A sorted array of strings to create the set from.\n * @returns {lunr.TokenSet}\n * @throws Will throw an error if the input array is not sorted.\n */\nlunr.TokenSet.fromArray = function (arr) {\n  var builder = new lunr.TokenSet.Builder\n\n  for (var i = 0, len = arr.length; i < len; i++) {\n    builder.insert(arr[i])\n  }\n\n  builder.finish()\n  return builder.root\n}\n\n/**\n * Creates a token set from a query clause.\n *\n * @private\n * @param {Object} clause - A single clause from lunr.Query.\n * @param {string} clause.term - The query clause term.\n * @param {number} [clause.editDistance] - The optional edit distance for the term.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromClause = function (clause) {\n  if ('editDistance' in clause) {\n    return lunr.TokenSet.fromFuzzyString(clause.term, clause.editDistance)\n  } else {\n    return lunr.TokenSet.fromString(clause.term)\n  }\n}\n\n/**\n * Creates a token set representing a single string with a specified\n * edit distance.\n *\n * Insertions, deletions, substitutions and transpositions are each\n * treated as an edit distance of 1.\n *\n * Increasing the allowed edit distance will have a dramatic impact\n * on the performance of both creating and intersecting these TokenSets.\n * It is advised to keep the edit distance less than 3.\n *\n * @param {string} str - The string to create the token set from.\n * @param {number} editDistance - The allowed edit distance to match.\n * @returns {lunr.Vector}\n */\nlunr.TokenSet.fromFuzzyString = function (str, editDistance) {\n  var root = new lunr.TokenSet\n\n  var stack = [{\n    node: root,\n    editsRemaining: editDistance,\n    str: str\n  }]\n\n  while (stack.length) {\n    var frame = stack.pop()\n\n    // no edit\n    if (frame.str.length > 0) {\n      var char = frame.str.charAt(0),\n          noEditNode\n\n      if (char in frame.node.edges) {\n        noEditNode = frame.node.edges[char]\n      } else {\n        noEditNode = new lunr.TokenSet\n        frame.node.edges[char] = noEditNode\n      }\n\n      if (frame.str.length == 1) {\n        noEditNode.final = true\n      }\n\n      stack.push({\n        node: noEditNode,\n        editsRemaining: frame.editsRemaining,\n        str: frame.str.slice(1)\n      })\n    }\n\n    if (frame.editsRemaining == 0) {\n      continue\n    }\n\n    // insertion\n    if (\"*\" in frame.node.edges) {\n      var insertionNode = frame.node.edges[\"*\"]\n    } else {\n      var insertionNode = new lunr.TokenSet\n      frame.node.edges[\"*\"] = insertionNode\n    }\n\n    if (frame.str.length == 0) {\n      insertionNode.final = true\n    }\n\n    stack.push({\n      node: insertionNode,\n      editsRemaining: frame.editsRemaining - 1,\n      str: frame.str\n    })\n\n    // deletion\n    // can only do a deletion if we have enough edits remaining\n    // and if there are characters left to delete in the string\n    if (frame.str.length > 1) {\n      stack.push({\n        node: frame.node,\n        editsRemaining: frame.editsRemaining - 1,\n        str: frame.str.slice(1)\n      })\n    }\n\n    // deletion\n    // just removing the last character from the str\n    if (frame.str.length == 1) {\n      frame.node.final = true\n    }\n\n    // substitution\n    // can only do a substitution if we have enough edits remaining\n    // and if there are characters left to substitute\n    if (frame.str.length >= 1) {\n      if (\"*\" in frame.node.edges) {\n        var substitutionNode = frame.node.edges[\"*\"]\n      } else {\n        var substitutionNode = new lunr.TokenSet\n        frame.node.edges[\"*\"] = substitutionNode\n      }\n\n      if (frame.str.length == 1) {\n        substitutionNode.final = true\n      }\n\n      stack.push({\n        node: substitutionNode,\n        editsRemaining: frame.editsRemaining - 1,\n        str: frame.str.slice(1)\n      })\n    }\n\n    // transposition\n    // can only do a transposition if there are edits remaining\n    // and there are enough characters to transpose\n    if (frame.str.length > 1) {\n      var charA = frame.str.charAt(0),\n          charB = frame.str.charAt(1),\n          transposeNode\n\n      if (charB in frame.node.edges) {\n        transposeNode = frame.node.edges[charB]\n      } else {\n        transposeNode = new lunr.TokenSet\n        frame.node.edges[charB] = transposeNode\n      }\n\n      if (frame.str.length == 1) {\n        transposeNode.final = true\n      }\n\n      stack.push({\n        node: transposeNode,\n        editsRemaining: frame.editsRemaining - 1,\n        str: charA + frame.str.slice(2)\n      })\n    }\n  }\n\n  return root\n}\n\n/**\n * Creates a TokenSet from a string.\n *\n * The string may contain one or more wildcard characters (*)\n * that will allow wildcard matching when intersecting with\n * another TokenSet.\n *\n * @param {string} str - The string to create a TokenSet from.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromString = function (str) {\n  var node = new lunr.TokenSet,\n      root = node\n\n  /*\n   * Iterates through all characters within the passed string\n   * appending a node for each character.\n   *\n   * When a wildcard character is found then a self\n   * referencing edge is introduced to continually match\n   * any number of any characters.\n   */\n  for (var i = 0, len = str.length; i < len; i++) {\n    var char = str[i],\n        final = (i == len - 1)\n\n    if (char == \"*\") {\n      node.edges[char] = node\n      node.final = final\n\n    } else {\n      var next = new lunr.TokenSet\n      next.final = final\n\n      node.edges[char] = next\n      node = next\n    }\n  }\n\n  return root\n}\n\n/**\n * Converts this TokenSet into an array of strings\n * contained within the TokenSet.\n *\n * This is not intended to be used on a TokenSet that\n * contains wildcards, in these cases the results are\n * undefined and are likely to cause an infinite loop.\n *\n * @returns {string[]}\n */\nlunr.TokenSet.prototype.toArray = function () {\n  var words = []\n\n  var stack = [{\n    prefix: \"\",\n    node: this\n  }]\n\n  while (stack.length) {\n    var frame = stack.pop(),\n        edges = Object.keys(frame.node.edges),\n        len = edges.length\n\n    if (frame.node.final) {\n      /* In Safari, at this point the prefix is sometimes corrupted, see:\n       * https://github.com/olivernn/lunr.js/issues/279 Calling any\n       * String.prototype method forces Safari to \"cast\" this string to what\n       * it's supposed to be, fixing the bug. */\n      frame.prefix.charAt(0)\n      words.push(frame.prefix)\n    }\n\n    for (var i = 0; i < len; i++) {\n      var edge = edges[i]\n\n      stack.push({\n        prefix: frame.prefix.concat(edge),\n        node: frame.node.edges[edge]\n      })\n    }\n  }\n\n  return words\n}\n\n/**\n * Generates a string representation of a TokenSet.\n *\n * This is intended to allow TokenSets to be used as keys\n * in objects, largely to aid the construction and minimisation\n * of a TokenSet. As such it is not designed to be a human\n * friendly representation of the TokenSet.\n *\n * @returns {string}\n */\nlunr.TokenSet.prototype.toString = function () {\n  // NOTE: Using Object.keys here as this.edges is very likely\n  // to enter 'hash-mode' with many keys being added\n  //\n  // avoiding a for-in loop here as it leads to the function\n  // being de-optimised (at least in V8). From some simple\n  // benchmarks the performance is comparable, but allowing\n  // V8 to optimize may mean easy performance wins in the future.\n\n  if (this._str) {\n    return this._str\n  }\n\n  var str = this.final ? '1' : '0',\n      labels = Object.keys(this.edges).sort(),\n      len = labels.length\n\n  for (var i = 0; i < len; i++) {\n    var label = labels[i],\n        node = this.edges[label]\n\n    str = str + label + node.id\n  }\n\n  return str\n}\n\n/**\n * Returns a new TokenSet that is the intersection of\n * this TokenSet and the passed TokenSet.\n *\n * This intersection will take into account any wildcards\n * contained within the TokenSet.\n *\n * @param {lunr.TokenSet} b - An other TokenSet to intersect with.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.prototype.intersect = function (b) {\n  var output = new lunr.TokenSet,\n      frame = undefined\n\n  var stack = [{\n    qNode: b,\n    output: output,\n    node: this\n  }]\n\n  while (stack.length) {\n    frame = stack.pop()\n\n    // NOTE: As with the #toString method, we are using\n    // Object.keys and a for loop instead of a for-in loop\n    // as both of these objects enter 'hash' mode, causing\n    // the function to be de-optimised in V8\n    var qEdges = Object.keys(frame.qNode.edges),\n        qLen = qEdges.length,\n        nEdges = Object.keys(frame.node.edges),\n        nLen = nEdges.length\n\n    for (var q = 0; q < qLen; q++) {\n      var qEdge = qEdges[q]\n\n      for (var n = 0; n < nLen; n++) {\n        var nEdge = nEdges[n]\n\n        if (nEdge == qEdge || qEdge == '*') {\n          var node = frame.node.edges[nEdge],\n              qNode = frame.qNode.edges[qEdge],\n              final = node.final && qNode.final,\n              next = undefined\n\n          if (nEdge in frame.output.edges) {\n            // an edge already exists for this character\n            // no need to create a new node, just set the finality\n            // bit unless this node is already final\n            next = frame.output.edges[nEdge]\n            next.final = next.final || final\n\n          } else {\n            // no edge exists yet, must create one\n            // set the finality bit and insert it\n            // into the output\n            next = new lunr.TokenSet\n            next.final = final\n            frame.output.edges[nEdge] = next\n          }\n\n          stack.push({\n            qNode: qNode,\n            output: next,\n            node: node\n          })\n        }\n      }\n    }\n  }\n\n  return output\n}\nlunr.TokenSet.Builder = function () {\n  this.previousWord = \"\"\n  this.root = new lunr.TokenSet\n  this.uncheckedNodes = []\n  this.minimizedNodes = {}\n}\n\nlunr.TokenSet.Builder.prototype.insert = function (word) {\n  var node,\n      commonPrefix = 0\n\n  if (word < this.previousWord) {\n    throw new Error (\"Out of order word insertion\")\n  }\n\n  for (var i = 0; i < word.length && i < this.previousWord.length; i++) {\n    if (word[i] != this.previousWord[i]) break\n    commonPrefix++\n  }\n\n  this.minimize(commonPrefix)\n\n  if (this.uncheckedNodes.length == 0) {\n    node = this.root\n  } else {\n    node = this.uncheckedNodes[this.uncheckedNodes.length - 1].child\n  }\n\n  for (var i = commonPrefix; i < word.length; i++) {\n    var nextNode = new lunr.TokenSet,\n        char = word[i]\n\n    node.edges[char] = nextNode\n\n    this.uncheckedNodes.push({\n      parent: node,\n      char: char,\n      child: nextNode\n    })\n\n    node = nextNode\n  }\n\n  node.final = true\n  this.previousWord = word\n}\n\nlunr.TokenSet.Builder.prototype.finish = function () {\n  this.minimize(0)\n}\n\nlunr.TokenSet.Builder.prototype.minimize = function (downTo) {\n  for (var i = this.uncheckedNodes.length - 1; i >= downTo; i--) {\n    var node = this.uncheckedNodes[i],\n        childKey = node.child.toString()\n\n    if (childKey in this.minimizedNodes) {\n      node.parent.edges[node.char] = this.minimizedNodes[childKey]\n    } else {\n      // Cache the key for this node since\n      // we know it can't change anymore\n      node.child._str = childKey\n\n      this.minimizedNodes[childKey] = node.child\n    }\n\n    this.uncheckedNodes.pop()\n  }\n}\n/*!\n * lunr.Index\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * An index contains the built index of all documents and provides a query interface\n * to the index.\n *\n * Usually instances of lunr.Index will not be created using this constructor, instead\n * lunr.Builder should be used to construct new indexes, or lunr.Index.load should be\n * used to load previously built and serialized indexes.\n *\n * @constructor\n * @param {Object} attrs - The attributes of the built search index.\n * @param {Object} attrs.invertedIndex - An index of term/field to document reference.\n * @param {Object<string, lunr.Vector>} attrs.fieldVectors - Field vectors\n * @param {lunr.TokenSet} attrs.tokenSet - An set of all corpus tokens.\n * @param {string[]} attrs.fields - The names of indexed document fields.\n * @param {lunr.Pipeline} attrs.pipeline - The pipeline to use for search terms.\n */\nlunr.Index = function (attrs) {\n  this.invertedIndex = attrs.invertedIndex\n  this.fieldVectors = attrs.fieldVectors\n  this.tokenSet = attrs.tokenSet\n  this.fields = attrs.fields\n  this.pipeline = attrs.pipeline\n}\n\n/**\n * A result contains details of a document matching a search query.\n * @typedef {Object} lunr.Index~Result\n * @property {string} ref - The reference of the document this result represents.\n * @property {number} score - A number between 0 and 1 representing how similar this document is to the query.\n * @property {lunr.MatchData} matchData - Contains metadata about this match including which term(s) caused the match.\n */\n\n/**\n * Although lunr provides the ability to create queries using lunr.Query, it also provides a simple\n * query language which itself is parsed into an instance of lunr.Query.\n *\n * For programmatically building queries it is advised to directly use lunr.Query, the query language\n * is best used for human entered text rather than program generated text.\n *\n * At its simplest queries can just be a single term, e.g. `hello`, multiple terms are also supported\n * and will be combined with OR, e.g `hello world` will match documents that contain either 'hello'\n * or 'world', though those that contain both will rank higher in the results.\n *\n * Wildcards can be included in terms to match one or more unspecified characters, these wildcards can\n * be inserted anywhere within the term, and more than one wildcard can exist in a single term. Adding\n * wildcards will increase the number of documents that will be found but can also have a negative\n * impact on query performance, especially with wildcards at the beginning of a term.\n *\n * Terms can be restricted to specific fields, e.g. `title:hello`, only documents with the term\n * hello in the title field will match this query. Using a field not present in the index will lead\n * to an error being thrown.\n *\n * Modifiers can also be added to terms, lunr supports edit distance and boost modifiers on terms. A term\n * boost will make documents matching that term score higher, e.g. `foo^5`. Edit distance is also supported\n * to provide fuzzy matching, e.g. 'hello~2' will match documents with hello with an edit distance of 2.\n * Avoid large values for edit distance to improve query performance.\n *\n * Each term also supports a presence modifier. By default a term's presence in document is optional, however\n * this can be changed to either required or prohibited. For a term's presence to be required in a document the\n * term should be prefixed with a '+', e.g. `+foo bar` is a search for documents that must contain 'foo' and\n * optionally contain 'bar'. Conversely a leading '-' sets the terms presence to prohibited, i.e. it must not\n * appear in a document, e.g. `-foo bar` is a search for documents that do not contain 'foo' but may contain 'bar'.\n *\n * To escape special characters the backslash character '\\' can be used, this allows searches to include\n * characters that would normally be considered modifiers, e.g. `foo\\~2` will search for a term \"foo~2\" instead\n * of attempting to apply a boost of 2 to the search term \"foo\".\n *\n * @typedef {string} lunr.Index~QueryString\n * @example <caption>Simple single term query</caption>\n * hello\n * @example <caption>Multiple term query</caption>\n * hello world\n * @example <caption>term scoped to a field</caption>\n * title:hello\n * @example <caption>term with a boost of 10</caption>\n * hello^10\n * @example <caption>term with an edit distance of 2</caption>\n * hello~2\n * @example <caption>terms with presence modifiers</caption>\n * -foo +bar baz\n */\n\n/**\n * Performs a search against the index using lunr query syntax.\n *\n * Results will be returned sorted by their score, the most relevant results\n * will be returned first.  For details on how the score is calculated, please see\n * the {@link https://lunrjs.com/guides/searching.html#scoring|guide}.\n *\n * For more programmatic querying use lunr.Index#query.\n *\n * @param {lunr.Index~QueryString} queryString - A string containing a lunr query.\n * @throws {lunr.QueryParseError} If the passed query string cannot be parsed.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.search = function (queryString) {\n  return this.query(function (query) {\n    var parser = new lunr.QueryParser(queryString, query)\n    parser.parse()\n  })\n}\n\n/**\n * A query builder callback provides a query object to be used to express\n * the query to perform on the index.\n *\n * @callback lunr.Index~queryBuilder\n * @param {lunr.Query} query - The query object to build up.\n * @this lunr.Query\n */\n\n/**\n * Performs a query against the index using the yielded lunr.Query object.\n *\n * If performing programmatic queries against the index, this method is preferred\n * over lunr.Index#search so as to avoid the additional query parsing overhead.\n *\n * A query object is yielded to the supplied function which should be used to\n * express the query to be run against the index.\n *\n * Note that although this function takes a callback parameter it is _not_ an\n * asynchronous operation, the callback is just yielded a query object to be\n * customized.\n *\n * @param {lunr.Index~queryBuilder} fn - A function that is used to build the query.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.query = function (fn) {\n  // for each query clause\n  // * process terms\n  // * expand terms from token set\n  // * find matching documents and metadata\n  // * get document vectors\n  // * score documents\n\n  var query = new lunr.Query(this.fields),\n      matchingFields = Object.create(null),\n      queryVectors = Object.create(null),\n      termFieldCache = Object.create(null),\n      requiredMatches = Object.create(null),\n      prohibitedMatches = Object.create(null)\n\n  /*\n   * To support field level boosts a query vector is created per\n   * field. An empty vector is eagerly created to support negated\n   * queries.\n   */\n  for (var i = 0; i < this.fields.length; i++) {\n    queryVectors[this.fields[i]] = new lunr.Vector\n  }\n\n  fn.call(query, query)\n\n  for (var i = 0; i < query.clauses.length; i++) {\n    /*\n     * Unless the pipeline has been disabled for this term, which is\n     * the case for terms with wildcards, we need to pass the clause\n     * term through the search pipeline. A pipeline returns an array\n     * of processed terms. Pipeline functions may expand the passed\n     * term, which means we may end up performing multiple index lookups\n     * for a single query term.\n     */\n    var clause = query.clauses[i],\n        terms = null,\n        clauseMatches = lunr.Set.empty\n\n    if (clause.usePipeline) {\n      terms = this.pipeline.runString(clause.term, {\n        fields: clause.fields\n      })\n    } else {\n      terms = [clause.term]\n    }\n\n    for (var m = 0; m < terms.length; m++) {\n      var term = terms[m]\n\n      /*\n       * Each term returned from the pipeline needs to use the same query\n       * clause object, e.g. the same boost and or edit distance. The\n       * simplest way to do this is to re-use the clause object but mutate\n       * its term property.\n       */\n      clause.term = term\n\n      /*\n       * From the term in the clause we create a token set which will then\n       * be used to intersect the indexes token set to get a list of terms\n       * to lookup in the inverted index\n       */\n      var termTokenSet = lunr.TokenSet.fromClause(clause),\n          expandedTerms = this.tokenSet.intersect(termTokenSet).toArray()\n\n      /*\n       * If a term marked as required does not exist in the tokenSet it is\n       * impossible for the search to return any matches. We set all the field\n       * scoped required matches set to empty and stop examining any further\n       * clauses.\n       */\n      if (expandedTerms.length === 0 && clause.presence === lunr.Query.presence.REQUIRED) {\n        for (var k = 0; k < clause.fields.length; k++) {\n          var field = clause.fields[k]\n          requiredMatches[field] = lunr.Set.empty\n        }\n\n        break\n      }\n\n      for (var j = 0; j < expandedTerms.length; j++) {\n        /*\n         * For each term get the posting and termIndex, this is required for\n         * building the query vector.\n         */\n        var expandedTerm = expandedTerms[j],\n            posting = this.invertedIndex[expandedTerm],\n            termIndex = posting._index\n\n        for (var k = 0; k < clause.fields.length; k++) {\n          /*\n           * For each field that this query term is scoped by (by default\n           * all fields are in scope) we need to get all the document refs\n           * that have this term in that field.\n           *\n           * The posting is the entry in the invertedIndex for the matching\n           * term from above.\n           */\n          var field = clause.fields[k],\n              fieldPosting = posting[field],\n              matchingDocumentRefs = Object.keys(fieldPosting),\n              termField = expandedTerm + \"/\" + field,\n              matchingDocumentsSet = new lunr.Set(matchingDocumentRefs)\n\n          /*\n           * if the presence of this term is required ensure that the matching\n           * documents are added to the set of required matches for this clause.\n           *\n           */\n          if (clause.presence == lunr.Query.presence.REQUIRED) {\n            clauseMatches = clauseMatches.union(matchingDocumentsSet)\n\n            if (requiredMatches[field] === undefined) {\n              requiredMatches[field] = lunr.Set.complete\n            }\n          }\n\n          /*\n           * if the presence of this term is prohibited ensure that the matching\n           * documents are added to the set of prohibited matches for this field,\n           * creating that set if it does not yet exist.\n           */\n          if (clause.presence == lunr.Query.presence.PROHIBITED) {\n            if (prohibitedMatches[field] === undefined) {\n              prohibitedMatches[field] = lunr.Set.empty\n            }\n\n            prohibitedMatches[field] = prohibitedMatches[field].union(matchingDocumentsSet)\n\n            /*\n             * Prohibited matches should not be part of the query vector used for\n             * similarity scoring and no metadata should be extracted so we continue\n             * to the next field\n             */\n            continue\n          }\n\n          /*\n           * The query field vector is populated using the termIndex found for\n           * the term and a unit value with the appropriate boost applied.\n           * Using upsert because there could already be an entry in the vector\n           * for the term we are working with. In that case we just add the scores\n           * together.\n           */\n          queryVectors[field].upsert(termIndex, clause.boost, function (a, b) { return a + b })\n\n          /**\n           * If we've already seen this term, field combo then we've already collected\n           * the matching documents and metadata, no need to go through all that again\n           */\n          if (termFieldCache[termField]) {\n            continue\n          }\n\n          for (var l = 0; l < matchingDocumentRefs.length; l++) {\n            /*\n             * All metadata for this term/field/document triple\n             * are then extracted and collected into an instance\n             * of lunr.MatchData ready to be returned in the query\n             * results\n             */\n            var matchingDocumentRef = matchingDocumentRefs[l],\n                matchingFieldRef = new lunr.FieldRef (matchingDocumentRef, field),\n                metadata = fieldPosting[matchingDocumentRef],\n                fieldMatch\n\n            if ((fieldMatch = matchingFields[matchingFieldRef]) === undefined) {\n              matchingFields[matchingFieldRef] = new lunr.MatchData (expandedTerm, field, metadata)\n            } else {\n              fieldMatch.add(expandedTerm, field, metadata)\n            }\n\n          }\n\n          termFieldCache[termField] = true\n        }\n      }\n    }\n\n    /**\n     * If the presence was required we need to update the requiredMatches field sets.\n     * We do this after all fields for the term have collected their matches because\n     * the clause terms presence is required in _any_ of the fields not _all_ of the\n     * fields.\n     */\n    if (clause.presence === lunr.Query.presence.REQUIRED) {\n      for (var k = 0; k < clause.fields.length; k++) {\n        var field = clause.fields[k]\n        requiredMatches[field] = requiredMatches[field].intersect(clauseMatches)\n      }\n    }\n  }\n\n  /**\n   * Need to combine the field scoped required and prohibited\n   * matching documents into a global set of required and prohibited\n   * matches\n   */\n  var allRequiredMatches = lunr.Set.complete,\n      allProhibitedMatches = lunr.Set.empty\n\n  for (var i = 0; i < this.fields.length; i++) {\n    var field = this.fields[i]\n\n    if (requiredMatches[field]) {\n      allRequiredMatches = allRequiredMatches.intersect(requiredMatches[field])\n    }\n\n    if (prohibitedMatches[field]) {\n      allProhibitedMatches = allProhibitedMatches.union(prohibitedMatches[field])\n    }\n  }\n\n  var matchingFieldRefs = Object.keys(matchingFields),\n      results = [],\n      matches = Object.create(null)\n\n  /*\n   * If the query is negated (contains only prohibited terms)\n   * we need to get _all_ fieldRefs currently existing in the\n   * index. This is only done when we know that the query is\n   * entirely prohibited terms to avoid any cost of getting all\n   * fieldRefs unnecessarily.\n   *\n   * Additionally, blank MatchData must be created to correctly\n   * populate the results.\n   */\n  if (query.isNegated()) {\n    matchingFieldRefs = Object.keys(this.fieldVectors)\n\n    for (var i = 0; i < matchingFieldRefs.length; i++) {\n      var matchingFieldRef = matchingFieldRefs[i]\n      var fieldRef = lunr.FieldRef.fromString(matchingFieldRef)\n      matchingFields[matchingFieldRef] = new lunr.MatchData\n    }\n  }\n\n  for (var i = 0; i < matchingFieldRefs.length; i++) {\n    /*\n     * Currently we have document fields that match the query, but we\n     * need to return documents. The matchData and scores are combined\n     * from multiple fields belonging to the same document.\n     *\n     * Scores are calculated by field, using the query vectors created\n     * above, and combined into a final document score using addition.\n     */\n    var fieldRef = lunr.FieldRef.fromString(matchingFieldRefs[i]),\n        docRef = fieldRef.docRef\n\n    if (!allRequiredMatches.contains(docRef)) {\n      continue\n    }\n\n    if (allProhibitedMatches.contains(docRef)) {\n      continue\n    }\n\n    var fieldVector = this.fieldVectors[fieldRef],\n        score = queryVectors[fieldRef.fieldName].similarity(fieldVector),\n        docMatch\n\n    if ((docMatch = matches[docRef]) !== undefined) {\n      docMatch.score += score\n      docMatch.matchData.combine(matchingFields[fieldRef])\n    } else {\n      var match = {\n        ref: docRef,\n        score: score,\n        matchData: matchingFields[fieldRef]\n      }\n      matches[docRef] = match\n      results.push(match)\n    }\n  }\n\n  /*\n   * Sort the results objects by score, highest first.\n   */\n  return results.sort(function (a, b) {\n    return b.score - a.score\n  })\n}\n\n/**\n * Prepares the index for JSON serialization.\n *\n * The schema for this JSON blob will be described in a\n * separate JSON schema file.\n *\n * @returns {Object}\n */\nlunr.Index.prototype.toJSON = function () {\n  var invertedIndex = Object.keys(this.invertedIndex)\n    .sort()\n    .map(function (term) {\n      return [term, this.invertedIndex[term]]\n    }, this)\n\n  var fieldVectors = Object.keys(this.fieldVectors)\n    .map(function (ref) {\n      return [ref, this.fieldVectors[ref].toJSON()]\n    }, this)\n\n  return {\n    version: lunr.version,\n    fields: this.fields,\n    fieldVectors: fieldVectors,\n    invertedIndex: invertedIndex,\n    pipeline: this.pipeline.toJSON()\n  }\n}\n\n/**\n * Loads a previously serialized lunr.Index\n *\n * @param {Object} serializedIndex - A previously serialized lunr.Index\n * @returns {lunr.Index}\n */\nlunr.Index.load = function (serializedIndex) {\n  var attrs = {},\n      fieldVectors = {},\n      serializedVectors = serializedIndex.fieldVectors,\n      invertedIndex = Object.create(null),\n      serializedInvertedIndex = serializedIndex.invertedIndex,\n      tokenSetBuilder = new lunr.TokenSet.Builder,\n      pipeline = lunr.Pipeline.load(serializedIndex.pipeline)\n\n  if (serializedIndex.version != lunr.version) {\n    lunr.utils.warn(\"Version mismatch when loading serialised index. Current version of lunr '\" + lunr.version + \"' does not match serialized index '\" + serializedIndex.version + \"'\")\n  }\n\n  for (var i = 0; i < serializedVectors.length; i++) {\n    var tuple = serializedVectors[i],\n        ref = tuple[0],\n        elements = tuple[1]\n\n    fieldVectors[ref] = new lunr.Vector(elements)\n  }\n\n  for (var i = 0; i < serializedInvertedIndex.length; i++) {\n    var tuple = serializedInvertedIndex[i],\n        term = tuple[0],\n        posting = tuple[1]\n\n    tokenSetBuilder.insert(term)\n    invertedIndex[term] = posting\n  }\n\n  tokenSetBuilder.finish()\n\n  attrs.fields = serializedIndex.fields\n\n  attrs.fieldVectors = fieldVectors\n  attrs.invertedIndex = invertedIndex\n  attrs.tokenSet = tokenSetBuilder.root\n  attrs.pipeline = pipeline\n\n  return new lunr.Index(attrs)\n}\n/*!\n * lunr.Builder\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.Builder performs indexing on a set of documents and\n * returns instances of lunr.Index ready for querying.\n *\n * All configuration of the index is done via the builder, the\n * fields to index, the document reference, the text processing\n * pipeline and document scoring parameters are all set on the\n * builder before indexing.\n *\n * @constructor\n * @property {string} _ref - Internal reference to the document reference field.\n * @property {string[]} _fields - Internal reference to the document fields to index.\n * @property {object} invertedIndex - The inverted index maps terms to document fields.\n * @property {object} documentTermFrequencies - Keeps track of document term frequencies.\n * @property {object} documentLengths - Keeps track of the length of documents added to the index.\n * @property {lunr.tokenizer} tokenizer - Function for splitting strings into tokens for indexing.\n * @property {lunr.Pipeline} pipeline - The pipeline performs text processing on tokens before indexing.\n * @property {lunr.Pipeline} searchPipeline - A pipeline for processing search terms before querying the index.\n * @property {number} documentCount - Keeps track of the total number of documents indexed.\n * @property {number} _b - A parameter to control field length normalization, setting this to 0 disabled normalization, 1 fully normalizes field lengths, the default value is 0.75.\n * @property {number} _k1 - A parameter to control how quickly an increase in term frequency results in term frequency saturation, the default value is 1.2.\n * @property {number} termIndex - A counter incremented for each unique term, used to identify a terms position in the vector space.\n * @property {array} metadataWhitelist - A list of metadata keys that have been whitelisted for entry in the index.\n */\nlunr.Builder = function () {\n  this._ref = \"id\"\n  this._fields = Object.create(null)\n  this._documents = Object.create(null)\n  this.invertedIndex = Object.create(null)\n  this.fieldTermFrequencies = {}\n  this.fieldLengths = {}\n  this.tokenizer = lunr.tokenizer\n  this.pipeline = new lunr.Pipeline\n  this.searchPipeline = new lunr.Pipeline\n  this.documentCount = 0\n  this._b = 0.75\n  this._k1 = 1.2\n  this.termIndex = 0\n  this.metadataWhitelist = []\n}\n\n/**\n * Sets the document field used as the document reference. Every document must have this field.\n * The type of this field in the document should be a string, if it is not a string it will be\n * coerced into a string by calling toString.\n *\n * The default ref is 'id'.\n *\n * The ref should _not_ be changed during indexing, it should be set before any documents are\n * added to the index. Changing it during indexing can lead to inconsistent results.\n *\n * @param {string} ref - The name of the reference field in the document.\n */\nlunr.Builder.prototype.ref = function (ref) {\n  this._ref = ref\n}\n\n/**\n * A function that is used to extract a field from a document.\n *\n * Lunr expects a field to be at the top level of a document, if however the field\n * is deeply nested within a document an extractor function can be used to extract\n * the right field for indexing.\n *\n * @callback fieldExtractor\n * @param {object} doc - The document being added to the index.\n * @returns {?(string|object|object[])} obj - The object that will be indexed for this field.\n * @example <caption>Extracting a nested field</caption>\n * function (doc) { return doc.nested.field }\n */\n\n/**\n * Adds a field to the list of document fields that will be indexed. Every document being\n * indexed should have this field. Null values for this field in indexed documents will\n * not cause errors but will limit the chance of that document being retrieved by searches.\n *\n * All fields should be added before adding documents to the index. Adding fields after\n * a document has been indexed will have no effect on already indexed documents.\n *\n * Fields can be boosted at build time. This allows terms within that field to have more\n * importance when ranking search results. Use a field boost to specify that matches within\n * one field are more important than other fields.\n *\n * @param {string} fieldName - The name of a field to index in all documents.\n * @param {object} attributes - Optional attributes associated with this field.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this field.\n * @param {fieldExtractor} [attributes.extractor] - Function to extract a field from a document.\n * @throws {RangeError} fieldName cannot contain unsupported characters '/'\n */\nlunr.Builder.prototype.field = function (fieldName, attributes) {\n  if (/\\//.test(fieldName)) {\n    throw new RangeError (\"Field '\" + fieldName + \"' contains illegal character '/'\")\n  }\n\n  this._fields[fieldName] = attributes || {}\n}\n\n/**\n * A parameter to tune the amount of field length normalisation that is applied when\n * calculating relevance scores. A value of 0 will completely disable any normalisation\n * and a value of 1 will fully normalise field lengths. The default is 0.75. Values of b\n * will be clamped to the range 0 - 1.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.b = function (number) {\n  if (number < 0) {\n    this._b = 0\n  } else if (number > 1) {\n    this._b = 1\n  } else {\n    this._b = number\n  }\n}\n\n/**\n * A parameter that controls the speed at which a rise in term frequency results in term\n * frequency saturation. The default value is 1.2. Setting this to a higher value will give\n * slower saturation levels, a lower value will result in quicker saturation.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.k1 = function (number) {\n  this._k1 = number\n}\n\n/**\n * Adds a document to the index.\n *\n * Before adding fields to the index the index should have been fully setup, with the document\n * ref and all fields to index already having been specified.\n *\n * The document must have a field name as specified by the ref (by default this is 'id') and\n * it should have all fields defined for indexing, though null or undefined values will not\n * cause errors.\n *\n * Entire documents can be boosted at build time. Applying a boost to a document indicates that\n * this document should rank higher in search results than other documents.\n *\n * @param {object} doc - The document to add to the index.\n * @param {object} attributes - Optional attributes associated with this document.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this document.\n */\nlunr.Builder.prototype.add = function (doc, attributes) {\n  var docRef = doc[this._ref],\n      fields = Object.keys(this._fields)\n\n  this._documents[docRef] = attributes || {}\n  this.documentCount += 1\n\n  for (var i = 0; i < fields.length; i++) {\n    var fieldName = fields[i],\n        extractor = this._fields[fieldName].extractor,\n        field = extractor ? extractor(doc) : doc[fieldName],\n        tokens = this.tokenizer(field, {\n          fields: [fieldName]\n        }),\n        terms = this.pipeline.run(tokens),\n        fieldRef = new lunr.FieldRef (docRef, fieldName),\n        fieldTerms = Object.create(null)\n\n    this.fieldTermFrequencies[fieldRef] = fieldTerms\n    this.fieldLengths[fieldRef] = 0\n\n    // store the length of this field for this document\n    this.fieldLengths[fieldRef] += terms.length\n\n    // calculate term frequencies for this field\n    for (var j = 0; j < terms.length; j++) {\n      var term = terms[j]\n\n      if (fieldTerms[term] == undefined) {\n        fieldTerms[term] = 0\n      }\n\n      fieldTerms[term] += 1\n\n      // add to inverted index\n      // create an initial posting if one doesn't exist\n      if (this.invertedIndex[term] == undefined) {\n        var posting = Object.create(null)\n        posting[\"_index\"] = this.termIndex\n        this.termIndex += 1\n\n        for (var k = 0; k < fields.length; k++) {\n          posting[fields[k]] = Object.create(null)\n        }\n\n        this.invertedIndex[term] = posting\n      }\n\n      // add an entry for this term/fieldName/docRef to the invertedIndex\n      if (this.invertedIndex[term][fieldName][docRef] == undefined) {\n        this.invertedIndex[term][fieldName][docRef] = Object.create(null)\n      }\n\n      // store all whitelisted metadata about this token in the\n      // inverted index\n      for (var l = 0; l < this.metadataWhitelist.length; l++) {\n        var metadataKey = this.metadataWhitelist[l],\n            metadata = term.metadata[metadataKey]\n\n        if (this.invertedIndex[term][fieldName][docRef][metadataKey] == undefined) {\n          this.invertedIndex[term][fieldName][docRef][metadataKey] = []\n        }\n\n        this.invertedIndex[term][fieldName][docRef][metadataKey].push(metadata)\n      }\n    }\n\n  }\n}\n\n/**\n * Calculates the average document length for this index\n *\n * @private\n */\nlunr.Builder.prototype.calculateAverageFieldLengths = function () {\n\n  var fieldRefs = Object.keys(this.fieldLengths),\n      numberOfFields = fieldRefs.length,\n      accumulator = {},\n      documentsWithField = {}\n\n  for (var i = 0; i < numberOfFields; i++) {\n    var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n        field = fieldRef.fieldName\n\n    documentsWithField[field] || (documentsWithField[field] = 0)\n    documentsWithField[field] += 1\n\n    accumulator[field] || (accumulator[field] = 0)\n    accumulator[field] += this.fieldLengths[fieldRef]\n  }\n\n  var fields = Object.keys(this._fields)\n\n  for (var i = 0; i < fields.length; i++) {\n    var fieldName = fields[i]\n    accumulator[fieldName] = accumulator[fieldName] / documentsWithField[fieldName]\n  }\n\n  this.averageFieldLength = accumulator\n}\n\n/**\n * Builds a vector space model of every document using lunr.Vector\n *\n * @private\n */\nlunr.Builder.prototype.createFieldVectors = function () {\n  var fieldVectors = {},\n      fieldRefs = Object.keys(this.fieldTermFrequencies),\n      fieldRefsLength = fieldRefs.length,\n      termIdfCache = Object.create(null)\n\n  for (var i = 0; i < fieldRefsLength; i++) {\n    var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n        fieldName = fieldRef.fieldName,\n        fieldLength = this.fieldLengths[fieldRef],\n        fieldVector = new lunr.Vector,\n        termFrequencies = this.fieldTermFrequencies[fieldRef],\n        terms = Object.keys(termFrequencies),\n        termsLength = terms.length\n\n\n    var fieldBoost = this._fields[fieldName].boost || 1,\n        docBoost = this._documents[fieldRef.docRef].boost || 1\n\n    for (var j = 0; j < termsLength; j++) {\n      var term = terms[j],\n          tf = termFrequencies[term],\n          termIndex = this.invertedIndex[term]._index,\n          idf, score, scoreWithPrecision\n\n      if (termIdfCache[term] === undefined) {\n        idf = lunr.idf(this.invertedIndex[term], this.documentCount)\n        termIdfCache[term] = idf\n      } else {\n        idf = termIdfCache[term]\n      }\n\n      score = idf * ((this._k1 + 1) * tf) / (this._k1 * (1 - this._b + this._b * (fieldLength / this.averageFieldLength[fieldName])) + tf)\n      score *= fieldBoost\n      score *= docBoost\n      scoreWithPrecision = Math.round(score * 1000) / 1000\n      // Converts 1.23456789 to 1.234.\n      // Reducing the precision so that the vectors take up less\n      // space when serialised. Doing it now so that they behave\n      // the same before and after serialisation. Also, this is\n      // the fastest approach to reducing a number's precision in\n      // JavaScript.\n\n      fieldVector.insert(termIndex, scoreWithPrecision)\n    }\n\n    fieldVectors[fieldRef] = fieldVector\n  }\n\n  this.fieldVectors = fieldVectors\n}\n\n/**\n * Creates a token set of all tokens in the index using lunr.TokenSet\n *\n * @private\n */\nlunr.Builder.prototype.createTokenSet = function () {\n  this.tokenSet = lunr.TokenSet.fromArray(\n    Object.keys(this.invertedIndex).sort()\n  )\n}\n\n/**\n * Builds the index, creating an instance of lunr.Index.\n *\n * This completes the indexing process and should only be called\n * once all documents have been added to the index.\n *\n * @returns {lunr.Index}\n */\nlunr.Builder.prototype.build = function () {\n  this.calculateAverageFieldLengths()\n  this.createFieldVectors()\n  this.createTokenSet()\n\n  return new lunr.Index({\n    invertedIndex: this.invertedIndex,\n    fieldVectors: this.fieldVectors,\n    tokenSet: this.tokenSet,\n    fields: Object.keys(this._fields),\n    pipeline: this.searchPipeline\n  })\n}\n\n/**\n * Applies a plugin to the index builder.\n *\n * A plugin is a function that is called with the index builder as its context.\n * Plugins can be used to customise or extend the behaviour of the index\n * in some way. A plugin is just a function, that encapsulated the custom\n * behaviour that should be applied when building the index.\n *\n * The plugin function will be called with the index builder as its argument, additional\n * arguments can also be passed when calling use. The function will be called\n * with the index builder as its context.\n *\n * @param {Function} plugin The plugin to apply.\n */\nlunr.Builder.prototype.use = function (fn) {\n  var args = Array.prototype.slice.call(arguments, 1)\n  args.unshift(this)\n  fn.apply(this, args)\n}\n/**\n * Contains and collects metadata about a matching document.\n * A single instance of lunr.MatchData is returned as part of every\n * lunr.Index~Result.\n *\n * @constructor\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n * @property {object} metadata - A cloned collection of metadata associated with this document.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData = function (term, field, metadata) {\n  var clonedMetadata = Object.create(null),\n      metadataKeys = Object.keys(metadata || {})\n\n  // Cloning the metadata to prevent the original\n  // being mutated during match data combination.\n  // Metadata is kept in an array within the inverted\n  // index so cloning the data can be done with\n  // Array#slice\n  for (var i = 0; i < metadataKeys.length; i++) {\n    var key = metadataKeys[i]\n    clonedMetadata[key] = metadata[key].slice()\n  }\n\n  this.metadata = Object.create(null)\n\n  if (term !== undefined) {\n    this.metadata[term] = Object.create(null)\n    this.metadata[term][field] = clonedMetadata\n  }\n}\n\n/**\n * An instance of lunr.MatchData will be created for every term that matches a\n * document. However only one instance is required in a lunr.Index~Result. This\n * method combines metadata from another instance of lunr.MatchData with this\n * objects metadata.\n *\n * @param {lunr.MatchData} otherMatchData - Another instance of match data to merge with this one.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData.prototype.combine = function (otherMatchData) {\n  var terms = Object.keys(otherMatchData.metadata)\n\n  for (var i = 0; i < terms.length; i++) {\n    var term = terms[i],\n        fields = Object.keys(otherMatchData.metadata[term])\n\n    if (this.metadata[term] == undefined) {\n      this.metadata[term] = Object.create(null)\n    }\n\n    for (var j = 0; j < fields.length; j++) {\n      var field = fields[j],\n          keys = Object.keys(otherMatchData.metadata[term][field])\n\n      if (this.metadata[term][field] == undefined) {\n        this.metadata[term][field] = Object.create(null)\n      }\n\n      for (var k = 0; k < keys.length; k++) {\n        var key = keys[k]\n\n        if (this.metadata[term][field][key] == undefined) {\n          this.metadata[term][field][key] = otherMatchData.metadata[term][field][key]\n        } else {\n          this.metadata[term][field][key] = this.metadata[term][field][key].concat(otherMatchData.metadata[term][field][key])\n        }\n\n      }\n    }\n  }\n}\n\n/**\n * Add metadata for a term/field pair to this instance of match data.\n *\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n */\nlunr.MatchData.prototype.add = function (term, field, metadata) {\n  if (!(term in this.metadata)) {\n    this.metadata[term] = Object.create(null)\n    this.metadata[term][field] = metadata\n    return\n  }\n\n  if (!(field in this.metadata[term])) {\n    this.metadata[term][field] = metadata\n    return\n  }\n\n  var metadataKeys = Object.keys(metadata)\n\n  for (var i = 0; i < metadataKeys.length; i++) {\n    var key = metadataKeys[i]\n\n    if (key in this.metadata[term][field]) {\n      this.metadata[term][field][key] = this.metadata[term][field][key].concat(metadata[key])\n    } else {\n      this.metadata[term][field][key] = metadata[key]\n    }\n  }\n}\n/**\n * A lunr.Query provides a programmatic way of defining queries to be performed\n * against a {@link lunr.Index}.\n *\n * Prefer constructing a lunr.Query using the {@link lunr.Index#query} method\n * so the query object is pre-initialized with the right index fields.\n *\n * @constructor\n * @property {lunr.Query~Clause[]} clauses - An array of query clauses.\n * @property {string[]} allFields - An array of all available fields in a lunr.Index.\n */\nlunr.Query = function (allFields) {\n  this.clauses = []\n  this.allFields = allFields\n}\n\n/**\n * Constants for indicating what kind of automatic wildcard insertion will be used when constructing a query clause.\n *\n * This allows wildcards to be added to the beginning and end of a term without having to manually do any string\n * concatenation.\n *\n * The wildcard constants can be bitwise combined to select both leading and trailing wildcards.\n *\n * @constant\n * @default\n * @property {number} wildcard.NONE - The term will have no wildcards inserted, this is the default behaviour\n * @property {number} wildcard.LEADING - Prepend the term with a wildcard, unless a leading wildcard already exists\n * @property {number} wildcard.TRAILING - Append a wildcard to the term, unless a trailing wildcard already exists\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example <caption>query term with trailing wildcard</caption>\n * query.term('foo', { wildcard: lunr.Query.wildcard.TRAILING })\n * @example <caption>query term with leading and trailing wildcard</caption>\n * query.term('foo', {\n *   wildcard: lunr.Query.wildcard.LEADING | lunr.Query.wildcard.TRAILING\n * })\n */\n\nlunr.Query.wildcard = new String (\"*\")\nlunr.Query.wildcard.NONE = 0\nlunr.Query.wildcard.LEADING = 1\nlunr.Query.wildcard.TRAILING = 2\n\n/**\n * Constants for indicating what kind of presence a term must have in matching documents.\n *\n * @constant\n * @enum {number}\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example <caption>query term with required presence</caption>\n * query.term('foo', { presence: lunr.Query.presence.REQUIRED })\n */\nlunr.Query.presence = {\n  /**\n   * Term's presence in a document is optional, this is the default value.\n   */\n  OPTIONAL: 1,\n\n  /**\n   * Term's presence in a document is required, documents that do not contain\n   * this term will not be returned.\n   */\n  REQUIRED: 2,\n\n  /**\n   * Term's presence in a document is prohibited, documents that do contain\n   * this term will not be returned.\n   */\n  PROHIBITED: 3\n}\n\n/**\n * A single clause in a {@link lunr.Query} contains a term and details on how to\n * match that term against a {@link lunr.Index}.\n *\n * @typedef {Object} lunr.Query~Clause\n * @property {string[]} fields - The fields in an index this clause should be matched against.\n * @property {number} [boost=1] - Any boost that should be applied when matching this clause.\n * @property {number} [editDistance] - Whether the term should have fuzzy matching applied, and how fuzzy the match should be.\n * @property {boolean} [usePipeline] - Whether the term should be passed through the search pipeline.\n * @property {number} [wildcard=lunr.Query.wildcard.NONE] - Whether the term should have wildcards appended or prepended.\n * @property {number} [presence=lunr.Query.presence.OPTIONAL] - The terms presence in any matching documents.\n */\n\n/**\n * Adds a {@link lunr.Query~Clause} to this query.\n *\n * Unless the clause contains the fields to be matched all fields will be matched. In addition\n * a default boost of 1 is applied to the clause.\n *\n * @param {lunr.Query~Clause} clause - The clause to add to this query.\n * @see lunr.Query~Clause\n * @returns {lunr.Query}\n */\nlunr.Query.prototype.clause = function (clause) {\n  if (!('fields' in clause)) {\n    clause.fields = this.allFields\n  }\n\n  if (!('boost' in clause)) {\n    clause.boost = 1\n  }\n\n  if (!('usePipeline' in clause)) {\n    clause.usePipeline = true\n  }\n\n  if (!('wildcard' in clause)) {\n    clause.wildcard = lunr.Query.wildcard.NONE\n  }\n\n  if ((clause.wildcard & lunr.Query.wildcard.LEADING) && (clause.term.charAt(0) != lunr.Query.wildcard)) {\n    clause.term = \"*\" + clause.term\n  }\n\n  if ((clause.wildcard & lunr.Query.wildcard.TRAILING) && (clause.term.slice(-1) != lunr.Query.wildcard)) {\n    clause.term = \"\" + clause.term + \"*\"\n  }\n\n  if (!('presence' in clause)) {\n    clause.presence = lunr.Query.presence.OPTIONAL\n  }\n\n  this.clauses.push(clause)\n\n  return this\n}\n\n/**\n * A negated query is one in which every clause has a presence of\n * prohibited. These queries require some special processing to return\n * the expected results.\n *\n * @returns boolean\n */\nlunr.Query.prototype.isNegated = function () {\n  for (var i = 0; i < this.clauses.length; i++) {\n    if (this.clauses[i].presence != lunr.Query.presence.PROHIBITED) {\n      return false\n    }\n  }\n\n  return true\n}\n\n/**\n * Adds a term to the current query, under the covers this will create a {@link lunr.Query~Clause}\n * to the list of clauses that make up this query.\n *\n * The term is used as is, i.e. no tokenization will be performed by this method. Instead conversion\n * to a token or token-like string should be done before calling this method.\n *\n * The term will be converted to a string by calling `toString`. Multiple terms can be passed as an\n * array, each term in the array will share the same options.\n *\n * @param {object|object[]} term - The term(s) to add to the query.\n * @param {object} [options] - Any additional properties to add to the query clause.\n * @returns {lunr.Query}\n * @see lunr.Query#clause\n * @see lunr.Query~Clause\n * @example <caption>adding a single term to a query</caption>\n * query.term(\"foo\")\n * @example <caption>adding a single term to a query and specifying search fields, term boost and automatic trailing wildcard</caption>\n * query.term(\"foo\", {\n *   fields: [\"title\"],\n *   boost: 10,\n *   wildcard: lunr.Query.wildcard.TRAILING\n * })\n * @example <caption>using lunr.tokenizer to convert a string to tokens before using them as terms</caption>\n * query.term(lunr.tokenizer(\"foo bar\"))\n */\nlunr.Query.prototype.term = function (term, options) {\n  if (Array.isArray(term)) {\n    term.forEach(function (t) { this.term(t, lunr.utils.clone(options)) }, this)\n    return this\n  }\n\n  var clause = options || {}\n  clause.term = term.toString()\n\n  this.clause(clause)\n\n  return this\n}\nlunr.QueryParseError = function (message, start, end) {\n  this.name = \"QueryParseError\"\n  this.message = message\n  this.start = start\n  this.end = end\n}\n\nlunr.QueryParseError.prototype = new Error\nlunr.QueryLexer = function (str) {\n  this.lexemes = []\n  this.str = str\n  this.length = str.length\n  this.pos = 0\n  this.start = 0\n  this.escapeCharPositions = []\n}\n\nlunr.QueryLexer.prototype.run = function () {\n  var state = lunr.QueryLexer.lexText\n\n  while (state) {\n    state = state(this)\n  }\n}\n\nlunr.QueryLexer.prototype.sliceString = function () {\n  var subSlices = [],\n      sliceStart = this.start,\n      sliceEnd = this.pos\n\n  for (var i = 0; i < this.escapeCharPositions.length; i++) {\n    sliceEnd = this.escapeCharPositions[i]\n    subSlices.push(this.str.slice(sliceStart, sliceEnd))\n    sliceStart = sliceEnd + 1\n  }\n\n  subSlices.push(this.str.slice(sliceStart, this.pos))\n  this.escapeCharPositions.length = 0\n\n  return subSlices.join('')\n}\n\nlunr.QueryLexer.prototype.emit = function (type) {\n  this.lexemes.push({\n    type: type,\n    str: this.sliceString(),\n    start: this.start,\n    end: this.pos\n  })\n\n  this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.escapeCharacter = function () {\n  this.escapeCharPositions.push(this.pos - 1)\n  this.pos += 1\n}\n\nlunr.QueryLexer.prototype.next = function () {\n  if (this.pos >= this.length) {\n    return lunr.QueryLexer.EOS\n  }\n\n  var char = this.str.charAt(this.pos)\n  this.pos += 1\n  return char\n}\n\nlunr.QueryLexer.prototype.width = function () {\n  return this.pos - this.start\n}\n\nlunr.QueryLexer.prototype.ignore = function () {\n  if (this.start == this.pos) {\n    this.pos += 1\n  }\n\n  this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.backup = function () {\n  this.pos -= 1\n}\n\nlunr.QueryLexer.prototype.acceptDigitRun = function () {\n  var char, charCode\n\n  do {\n    char = this.next()\n    charCode = char.charCodeAt(0)\n  } while (charCode > 47 && charCode < 58)\n\n  if (char != lunr.QueryLexer.EOS) {\n    this.backup()\n  }\n}\n\nlunr.QueryLexer.prototype.more = function () {\n  return this.pos < this.length\n}\n\nlunr.QueryLexer.EOS = 'EOS'\nlunr.QueryLexer.FIELD = 'FIELD'\nlunr.QueryLexer.TERM = 'TERM'\nlunr.QueryLexer.EDIT_DISTANCE = 'EDIT_DISTANCE'\nlunr.QueryLexer.BOOST = 'BOOST'\nlunr.QueryLexer.PRESENCE = 'PRESENCE'\n\nlunr.QueryLexer.lexField = function (lexer) {\n  lexer.backup()\n  lexer.emit(lunr.QueryLexer.FIELD)\n  lexer.ignore()\n  return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexTerm = function (lexer) {\n  if (lexer.width() > 1) {\n    lexer.backup()\n    lexer.emit(lunr.QueryLexer.TERM)\n  }\n\n  lexer.ignore()\n\n  if (lexer.more()) {\n    return lunr.QueryLexer.lexText\n  }\n}\n\nlunr.QueryLexer.lexEditDistance = function (lexer) {\n  lexer.ignore()\n  lexer.acceptDigitRun()\n  lexer.emit(lunr.QueryLexer.EDIT_DISTANCE)\n  return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexBoost = function (lexer) {\n  lexer.ignore()\n  lexer.acceptDigitRun()\n  lexer.emit(lunr.QueryLexer.BOOST)\n  return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexEOS = function (lexer) {\n  if (lexer.width() > 0) {\n    lexer.emit(lunr.QueryLexer.TERM)\n  }\n}\n\n// This matches the separator used when tokenising fields\n// within a document. These should match otherwise it is\n// not possible to search for some tokens within a document.\n//\n// It is possible for the user to change the separator on the\n// tokenizer so it _might_ clash with any other of the special\n// characters already used within the search string, e.g. :.\n//\n// This means that it is possible to change the separator in\n// such a way that makes some words unsearchable using a search\n// string.\nlunr.QueryLexer.termSeparator = lunr.tokenizer.separator\n\nlunr.QueryLexer.lexText = function (lexer) {\n  while (true) {\n    var char = lexer.next()\n\n    if (char == lunr.QueryLexer.EOS) {\n      return lunr.QueryLexer.lexEOS\n    }\n\n    // Escape character is '\\'\n    if (char.charCodeAt(0) == 92) {\n      lexer.escapeCharacter()\n      continue\n    }\n\n    if (char == \":\") {\n      return lunr.QueryLexer.lexField\n    }\n\n    if (char == \"~\") {\n      lexer.backup()\n      if (lexer.width() > 0) {\n        lexer.emit(lunr.QueryLexer.TERM)\n      }\n      return lunr.QueryLexer.lexEditDistance\n    }\n\n    if (char == \"^\") {\n      lexer.backup()\n      if (lexer.width() > 0) {\n        lexer.emit(lunr.QueryLexer.TERM)\n      }\n      return lunr.QueryLexer.lexBoost\n    }\n\n    // \"+\" indicates term presence is required\n    // checking for length to ensure that only\n    // leading \"+\" are considered\n    if (char == \"+\" && lexer.width() === 1) {\n      lexer.emit(lunr.QueryLexer.PRESENCE)\n      return lunr.QueryLexer.lexText\n    }\n\n    // \"-\" indicates term presence is prohibited\n    // checking for length to ensure that only\n    // leading \"-\" are considered\n    if (char == \"-\" && lexer.width() === 1) {\n      lexer.emit(lunr.QueryLexer.PRESENCE)\n      return lunr.QueryLexer.lexText\n    }\n\n    if (char.match(lunr.QueryLexer.termSeparator)) {\n      return lunr.QueryLexer.lexTerm\n    }\n  }\n}\n\nlunr.QueryParser = function (str, query) {\n  this.lexer = new lunr.QueryLexer (str)\n  this.query = query\n  this.currentClause = {}\n  this.lexemeIdx = 0\n}\n\nlunr.QueryParser.prototype.parse = function () {\n  this.lexer.run()\n  this.lexemes = this.lexer.lexemes\n\n  var state = lunr.QueryParser.parseClause\n\n  while (state) {\n    state = state(this)\n  }\n\n  return this.query\n}\n\nlunr.QueryParser.prototype.peekLexeme = function () {\n  return this.lexemes[this.lexemeIdx]\n}\n\nlunr.QueryParser.prototype.consumeLexeme = function () {\n  var lexeme = this.peekLexeme()\n  this.lexemeIdx += 1\n  return lexeme\n}\n\nlunr.QueryParser.prototype.nextClause = function () {\n  var completedClause = this.currentClause\n  this.query.clause(completedClause)\n  this.currentClause = {}\n}\n\nlunr.QueryParser.parseClause = function (parser) {\n  var lexeme = parser.peekLexeme()\n\n  if (lexeme == undefined) {\n    return\n  }\n\n  switch (lexeme.type) {\n    case lunr.QueryLexer.PRESENCE:\n      return lunr.QueryParser.parsePresence\n    case lunr.QueryLexer.FIELD:\n      return lunr.QueryParser.parseField\n    case lunr.QueryLexer.TERM:\n      return lunr.QueryParser.parseTerm\n    default:\n      var errorMessage = \"expected either a field or a term, found \" + lexeme.type\n\n      if (lexeme.str.length >= 1) {\n        errorMessage += \" with value '\" + lexeme.str + \"'\"\n      }\n\n      throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n}\n\nlunr.QueryParser.parsePresence = function (parser) {\n  var lexeme = parser.consumeLexeme()\n\n  if (lexeme == undefined) {\n    return\n  }\n\n  switch (lexeme.str) {\n    case \"-\":\n      parser.currentClause.presence = lunr.Query.presence.PROHIBITED\n      break\n    case \"+\":\n      parser.currentClause.presence = lunr.Query.presence.REQUIRED\n      break\n    default:\n      var errorMessage = \"unrecognised presence operator'\" + lexeme.str + \"'\"\n      throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n\n  var nextLexeme = parser.peekLexeme()\n\n  if (nextLexeme == undefined) {\n    var errorMessage = \"expecting term or field, found nothing\"\n    throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n\n  switch (nextLexeme.type) {\n    case lunr.QueryLexer.FIELD:\n      return lunr.QueryParser.parseField\n    case lunr.QueryLexer.TERM:\n      return lunr.QueryParser.parseTerm\n    default:\n      var errorMessage = \"expecting term or field, found '\" + nextLexeme.type + \"'\"\n      throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n  }\n}\n\nlunr.QueryParser.parseField = function (parser) {\n  var lexeme = parser.consumeLexeme()\n\n  if (lexeme == undefined) {\n    return\n  }\n\n  if (parser.query.allFields.indexOf(lexeme.str) == -1) {\n    var possibleFields = parser.query.allFields.map(function (f) { return \"'\" + f + \"'\" }).join(', '),\n        errorMessage = \"unrecognised field '\" + lexeme.str + \"', possible fields: \" + possibleFields\n\n    throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n\n  parser.currentClause.fields = [lexeme.str]\n\n  var nextLexeme = parser.peekLexeme()\n\n  if (nextLexeme == undefined) {\n    var errorMessage = \"expecting term, found nothing\"\n    throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n\n  switch (nextLexeme.type) {\n    case lunr.QueryLexer.TERM:\n      return lunr.QueryParser.parseTerm\n    default:\n      var errorMessage = \"expecting term, found '\" + nextLexeme.type + \"'\"\n      throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n  }\n}\n\nlunr.QueryParser.parseTerm = function (parser) {\n  var lexeme = parser.consumeLexeme()\n\n  if (lexeme == undefined) {\n    return\n  }\n\n  parser.currentClause.term = lexeme.str.toLowerCase()\n\n  if (lexeme.str.indexOf(\"*\") != -1) {\n    parser.currentClause.usePipeline = false\n  }\n\n  var nextLexeme = parser.peekLexeme()\n\n  if (nextLexeme == undefined) {\n    parser.nextClause()\n    return\n  }\n\n  switch (nextLexeme.type) {\n    case lunr.QueryLexer.TERM:\n      parser.nextClause()\n      return lunr.QueryParser.parseTerm\n    case lunr.QueryLexer.FIELD:\n      parser.nextClause()\n      return lunr.QueryParser.parseField\n    case lunr.QueryLexer.EDIT_DISTANCE:\n      return lunr.QueryParser.parseEditDistance\n    case lunr.QueryLexer.BOOST:\n      return lunr.QueryParser.parseBoost\n    case lunr.QueryLexer.PRESENCE:\n      parser.nextClause()\n      return lunr.QueryParser.parsePresence\n    default:\n      var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n      throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n  }\n}\n\nlunr.QueryParser.parseEditDistance = function (parser) {\n  var lexeme = parser.consumeLexeme()\n\n  if (lexeme == undefined) {\n    return\n  }\n\n  var editDistance = parseInt(lexeme.str, 10)\n\n  if (isNaN(editDistance)) {\n    var errorMessage = \"edit distance must be numeric\"\n    throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n\n  parser.currentClause.editDistance = editDistance\n\n  var nextLexeme = parser.peekLexeme()\n\n  if (nextLexeme == undefined) {\n    parser.nextClause()\n    return\n  }\n\n  switch (nextLexeme.type) {\n    case lunr.QueryLexer.TERM:\n      parser.nextClause()\n      return lunr.QueryParser.parseTerm\n    case lunr.QueryLexer.FIELD:\n      parser.nextClause()\n      return lunr.QueryParser.parseField\n    case lunr.QueryLexer.EDIT_DISTANCE:\n      return lunr.QueryParser.parseEditDistance\n    case lunr.QueryLexer.BOOST:\n      return lunr.QueryParser.parseBoost\n    case lunr.QueryLexer.PRESENCE:\n      parser.nextClause()\n      return lunr.QueryParser.parsePresence\n    default:\n      var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n      throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n  }\n}\n\nlunr.QueryParser.parseBoost = function (parser) {\n  var lexeme = parser.consumeLexeme()\n\n  if (lexeme == undefined) {\n    return\n  }\n\n  var boost = parseInt(lexeme.str, 10)\n\n  if (isNaN(boost)) {\n    var errorMessage = \"boost must be numeric\"\n    throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n  }\n\n  parser.currentClause.boost = boost\n\n  var nextLexeme = parser.peekLexeme()\n\n  if (nextLexeme == undefined) {\n    parser.nextClause()\n    return\n  }\n\n  switch (nextLexeme.type) {\n    case lunr.QueryLexer.TERM:\n      parser.nextClause()\n      return lunr.QueryParser.parseTerm\n    case lunr.QueryLexer.FIELD:\n      parser.nextClause()\n      return lunr.QueryParser.parseField\n    case lunr.QueryLexer.EDIT_DISTANCE:\n      return lunr.QueryParser.parseEditDistance\n    case lunr.QueryLexer.BOOST:\n      return lunr.QueryParser.parseBoost\n    case lunr.QueryLexer.PRESENCE:\n      parser.nextClause()\n      return lunr.QueryParser.parsePresence\n    default:\n      var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n      throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n  }\n}\n\n  /**\n   * export the module via AMD, CommonJS or as a browser global\n   * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js\n   */\n  ;(function (root, factory) {\n    if (typeof define === 'function' && define.amd) {\n      // AMD. Register as an anonymous module.\n      define(factory)\n    } else if (typeof exports === 'object') {\n      /**\n       * Node. Does not work with strict CommonJS, but\n       * only CommonJS-like enviroments that support module.exports,\n       * like Node.\n       */\n      module.exports = factory()\n    } else {\n      // Browser globals (root is window)\n      root.lunr = factory()\n    }\n  }(this, function () {\n    /**\n     * Just return a value to define the module export.\n     * This example returns an object, but the module\n     * can return a function as the exported value.\n     */\n    return lunr\n  }))\n})();\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport lunr from \"lunr\"\n\nimport { getElement } from \"~/browser/element/_\"\nimport \"~/polyfills\"\n\nimport { Search } from \"../../_\"\nimport { SearchConfig } from \"../../config\"\nimport {\n  SearchMessage,\n  SearchMessageType\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Add support for `iframe-worker` shim\n *\n * While `importScripts` is synchronous when executed inside of a web worker,\n * it's not possible to provide a synchronous shim implementation. The cool\n * thing is that awaiting a non-Promise will convert it into a Promise, so\n * extending the type definition to return a `Promise` shouldn't break anything.\n *\n * @see https://bit.ly/2PjDnXi - GitHub comment\n *\n * @param urls - Scripts to load\n *\n * @returns Promise resolving with no result\n */\ndeclare global {\n  function importScripts(...urls: string[]): Promise<void> | void\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index\n */\nlet index: Search\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch (= import) multi-language support through `lunr-languages`\n *\n * This function automatically imports the stemmers necessary to process the\n * languages which are defined as part of the search configuration.\n *\n * If the worker runs inside of an `iframe` (when using `iframe-worker` as\n * a shim), the base URL for the stemmers to be loaded must be determined by\n * searching for the first `script` element with a `src` attribute, which will\n * contain the contents of this script.\n *\n * @param config - Search configuration\n *\n * @returns Promise resolving with no result\n */\nasync function setupSearchLanguages(\n  config: SearchConfig\n): Promise<void> {\n  let base = \"../lunr\"\n\n  /* Detect `iframe-worker` and fix base URL */\n  if (typeof parent !== \"undefined\" && \"IFrameWorker\" in parent) {\n    const worker = getElement<HTMLScriptElement>(\"script[src]\")\n    const [path] = worker.src.split(\"/worker\")\n\n    /* Prefix base with path */\n    base = base.replace(\"..\", path)\n  }\n\n  /* Add scripts for languages */\n  const scripts = []\n  for (const lang of config.lang) {\n    switch (lang) {\n\n      /* Add segmenter for Japanese */\n      case \"ja\":\n        scripts.push(`${base}/tinyseg.js`)\n        break\n\n      /* Add segmenter for Hindi and Thai */\n      case \"hi\":\n      case \"th\":\n        scripts.push(`${base}/wordcut.js`)\n        break\n    }\n\n    /* Add language support */\n    if (lang !== \"en\")\n      scripts.push(`${base}/min/lunr.${lang}.min.js`)\n  }\n\n  /* Add multi-language support */\n  if (config.lang.length > 1)\n    scripts.push(`${base}/min/lunr.multi.min.js`)\n\n  /* Load scripts synchronously */\n  if (scripts.length)\n    await importScripts(\n      `${base}/min/lunr.stemmer.support.min.js`,\n      ...scripts\n    )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Message handler\n *\n * @param message - Source message\n *\n * @returns Target message\n */\nexport async function handler(\n  message: SearchMessage\n): Promise<SearchMessage> {\n  switch (message.type) {\n\n    /* Search setup message */\n    case SearchMessageType.SETUP:\n      await setupSearchLanguages(message.data.config)\n      index = new Search(message.data)\n      return {\n        type: SearchMessageType.READY\n      }\n\n    /* Search query message */\n    case SearchMessageType.QUERY:\n      const query = message.data\n      try {\n        return {\n          type: SearchMessageType.RESULT,\n          data: index.search(query)\n        }\n\n      /* Return empty result in case of error */\n      } catch (err) {\n        console.warn(`Invalid query: ${query} \u2013 see https://bit.ly/2s3ChXG`)\n        console.warn(err)\n        return {\n          type: SearchMessageType.RESULT,\n          data: { items: [] }\n        }\n      }\n\n    /* All other messages */\n    default:\n      throw new TypeError(\"Invalid message type\")\n  }\n}\n\n/* ----------------------------------------------------------------------------\n * Worker\n * ------------------------------------------------------------------------- */\n\n/* Expose Lunr.js in global scope, or stemmers won't work */\nself.lunr = lunr\n\n/* Monkey-patch Lunr.js to mitigate https://t.ly/68TLq */\nlunr.utils.warn = console.warn\n\n/* Handle messages */\naddEventListener(\"message\", async ev => {\n  postMessage(await handler(ev.data))\n})\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve all elements matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getElements<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T][]\n\nexport function getElements<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T[]\n\nexport function getElements<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T[] {\n  return Array.from(node.querySelectorAll<T>(selector))\n}\n\n/**\n * Retrieve an element matching a query selector or throw a reference error\n *\n * Note that this function assumes that the element is present. If unsure if an\n * element is existent, use the `getOptionalElement` function instead.\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getElement<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T]\n\nexport function getElement<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T\n\nexport function getElement<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T {\n  const el = getOptionalElement<T>(selector, node)\n  if (typeof el === \"undefined\")\n    throw new ReferenceError(\n      `Missing element: expected \"${selector}\" to be present`\n    )\n\n  /* Return element */\n  return el\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Retrieve an optional element matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element or nothing\n */\nexport function getOptionalElement<T extends keyof HTMLElementTagNameMap>(\n  selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T] | undefined\n\nexport function getOptionalElement<T extends HTMLElement>(\n  selector: string, node?: ParentNode\n): T | undefined\n\nexport function getOptionalElement<T extends HTMLElement>(\n  selector: string, node: ParentNode = document\n): T | undefined {\n  return node.querySelector<T>(selector) || undefined\n}\n\n/**\n * Retrieve the currently active element\n *\n * @returns Element or nothing\n */\nexport function getActiveElement(): HTMLElement | undefined {\n  return (\n    document.activeElement?.shadowRoot?.activeElement as HTMLElement ??\n    document.activeElement as HTMLElement ??\n    undefined\n  )\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Polyfills\n * ------------------------------------------------------------------------- */\n\n/* Polyfill `Object.entries` */\nif (!Object.entries)\n  Object.entries = function (obj: object) {\n    const data: [string, string][] = []\n    for (const key of Object.keys(obj))\n      // @ts-expect-error - ignore property access warning\n      data.push([key, obj[key]])\n\n    /* Return entries */\n    return data\n  }\n\n/* Polyfill `Object.values` */\nif (!Object.values)\n  Object.values = function (obj: object) {\n    const data: string[] = []\n    for (const key of Object.keys(obj))\n      // @ts-expect-error - ignore property access warning\n      data.push(obj[key])\n\n    /* Return values */\n    return data\n  }\n\n/* ------------------------------------------------------------------------- */\n\n/* Polyfills for `Element` */\nif (typeof Element !== \"undefined\") {\n\n  /* Polyfill `Element.scrollTo` */\n  if (!Element.prototype.scrollTo)\n    Element.prototype.scrollTo = function (\n      x?: ScrollToOptions | number, y?: number\n    ): void {\n      if (typeof x === \"object\") {\n        this.scrollLeft = x.left!\n        this.scrollTop = x.top!\n      } else {\n        this.scrollLeft = x!\n        this.scrollTop = y!\n      }\n    }\n\n  /* Polyfill `Element.replaceWith` */\n  if (!Element.prototype.replaceWith)\n    Element.prototype.replaceWith = function (\n      ...nodes: Array<string | Node>\n    ): void {\n      const parent = this.parentNode\n      if (parent) {\n        if (nodes.length === 0)\n          parent.removeChild(this)\n\n        /* Replace children and create text nodes */\n        for (let i = nodes.length - 1; i >= 0; i--) {\n          let node = nodes[i]\n          if (typeof node === \"string\")\n            node = document.createTextNode(node)\n          else if (node.parentNode)\n            node.parentNode.removeChild(node)\n\n          /* Replace child or insert before previous sibling */\n          if (!i)\n            parent.replaceChild(node, this)\n          else\n            parent.insertBefore(this.previousSibling!, node)\n        }\n      }\n    }\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search field\n */\nexport interface SearchField {\n  boost?: number                       /* Field boost */\n}\n\n/**\n * Search configuration\n */\nexport interface SearchConfig {\n  lang: string[]                       /* Search languages */\n  separator: string                    /* Search separator */\n  pipeline: SearchPipelineFn[]         /* Search pipeline */\n  fields: Record<string, SearchField>  /* Search field */\n}\n\n/**\n * Search document\n */\nexport interface SearchDocument {\n  location: string                     /* Document location */\n  title: string                        /* Document title */\n  text: string                         /* Document text */\n  tags?: string[]                      /* Document tags */\n  boost?: number                       /* Document boost */\n  parent?: SearchDocument              /* Document parent */\n}\n\n/**\n * Search options\n */\nexport interface SearchOptions {\n  suggest: boolean                     /* Search suggestions */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search index\n */\nexport interface SearchIndex {\n  config: SearchConfig                 /* Search configuration */\n  docs: SearchDocument[]               /* Search documents */\n  options: SearchOptions               /* Search options */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search pipeline function\n */\ntype SearchPipelineFn =\n  | \"trimmer\"                          /* Trimmer */\n  | \"stopWordFilter\"                   /* Stop word filter */\n  | \"stemmer\"                          /* Stemmer */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search document map\n *\n * This function creates a mapping of URLs (including anchors) to the actual\n * articles and sections. It relies on the invariant that the search index is\n * ordered with the main article appearing before all sections with anchors.\n * If this is not the case, the logic music be changed.\n *\n * @param docs - Search documents\n *\n * @returns Search document map\n */\nexport function setupSearchDocumentMap(\n  docs: SearchDocument[]\n): Map<string, SearchDocument> {\n  const map = new Map<string, SearchDocument>()\n  for (const doc of docs) {\n    const [path] = doc.location.split(\"#\")\n\n    /* Add document article */\n    const article = map.get(path)\n    if (typeof article === \"undefined\") {\n      map.set(path, doc)\n\n      /* Add document section */\n    } else {\n      map.set(doc.location, doc)\n      doc.parent = article\n    }\n  }\n\n  /* Return search document map */\n  return map\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Visitor function\n *\n * @param start - Start offset\n * @param end - End offset\n */\ntype VisitorFn = (\n  start: number, end: number\n) => void\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Split a string using the given separator\n *\n * @param input - Input value\n * @param separator - Separator\n * @param fn - Visitor function\n */\nexport function split(\n  input: string, separator: RegExp, fn: VisitorFn\n): void {\n  separator = new RegExp(separator, \"g\")\n\n  /* Split string using separator */\n  let match: RegExpExecArray | null\n  let index = 0\n  do {\n    match = separator.exec(input)\n\n    /* Emit non-empty range */\n    const until = match?.index ?? input.length\n    if (index < until)\n      fn(index, until)\n\n    /* Update last index */\n    if (match) {\n      const [term] = match\n      index = match.index + term.length\n\n      /* Support zero-length lookaheads */\n      if (term.length === 0)\n        separator.lastIndex = match.index + 1\n    }\n  } while (match)\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Extraction type\n *\n * This type defines the possible values that are encoded into the first two\n * bits of a section that is part of the blocks of a tokenization table. There\n * are three types of interest: HTML opening and closing tags, as well as the\n * actual text content we need to extract for indexing.\n */\nexport const enum Extract {\n  TAG_OPEN  = 0,                       /* HTML opening tag */\n  TEXT      = 1,                       /* Text content */\n  TAG_CLOSE = 2                        /* HTML closing tag */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Visitor function\n *\n * @param block - Block index\n * @param type - Extraction type\n * @param start - Start offset\n * @param end - End offset\n */\ntype VisitorFn = (\n  block: number, type: Extract, start: number, end: number\n) => void\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Split a string into markup and text sections\n *\n * This function scans a string and divides it up into sections of markup and\n * text. For each section, it invokes the given visitor function with the block\n * index, extraction type, as well as start and end offsets. Using a visitor\n * function (= streaming data) is ideal for minimizing pressure on the GC.\n *\n * @param input - Input value\n * @param fn - Visitor function\n */\nexport function extract(\n  input: string, fn: VisitorFn\n): void {\n\n  let block = 0                        /* Current block */\n  let start = 0                        /* Current start offset */\n  let end = 0                          /* Current end offset */\n\n  /* Split string into sections */\n  for (let stack = 0; end < input.length; end++) {\n\n    /* Opening tag after non-empty section */\n    if (input.charAt(end) === \"<\" && end > start) {\n      fn(block, Extract.TEXT, start, start = end)\n\n    /* Closing tag */\n    } else if (input.charAt(end) === \">\") {\n      if (input.charAt(start + 1) === \"/\") {\n        if (--stack === 0)\n          fn(block++, Extract.TAG_CLOSE, start, end + 1)\n\n      /* Tag is not self-closing */\n      } else if (input.charAt(end - 1) !== \"/\") {\n        if (stack++ === 0)\n          fn(block, Extract.TAG_OPEN, start, end + 1)\n      }\n\n      /* New section */\n      start = end + 1\n    }\n  }\n\n  /* Add trailing section */\n  if (end > start)\n    fn(block, Extract.TEXT, start, end)\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Position table\n */\nexport type PositionTable = number[][]\n\n/**\n * Position\n */\nexport type Position = number\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Highlight all occurrences in a string\n *\n * This function receives a field's value (e.g. like `title` or `text`), it's\n * position table that was generated during indexing, and the positions found\n * when executing the query. It then highlights all occurrences, and returns\n * their concatenation. In case of multiple blocks, two are returned.\n *\n * @param input - Input value\n * @param table - Table for indexing\n * @param positions - Occurrences\n * @param full - Full results\n *\n * @returns Highlighted string value\n */\nexport function highlight(\n  input: string, table: PositionTable, positions: Position[], full = false\n): string {\n  return highlightAll([input], table, positions, full).pop()!\n}\n\n/**\n * Highlight all occurrences in a set of strings\n *\n * @param inputs - Input values\n * @param table - Table for indexing\n * @param positions - Occurrences\n * @param full - Full results\n *\n * @returns Highlighted string values\n */\nexport function highlightAll(\n  inputs: string[], table: PositionTable, positions: Position[], full = false\n): string[] {\n\n  /* Map blocks to input values */\n  const mapping = [0]\n  for (let t = 1; t < table.length; t++) {\n    const prev = table[t - 1]\n    const next = table[t]\n\n    /* Check if table points to new block */\n    const p = prev[prev.length - 1] >>> 2 & 0x3FF\n    const q = next[0]               >>> 12\n\n    /* Add block to mapping */\n    mapping.push(+(p > q) + mapping[mapping.length - 1])\n  }\n\n  /* Highlight strings one after another */\n  return inputs.map((input, i) => {\n    let cursor = 0\n\n    /* Map occurrences to blocks */\n    const blocks = new Map<number, number[]>()\n    for (const p of positions.sort((a, b) => a - b)) {\n      const index = p & 0xFFFFF\n      const block = p >>> 20\n      if (mapping[block] !== i)\n        continue\n\n      /* Ensure presence of block group */\n      let group = blocks.get(block)\n      if (typeof group === \"undefined\")\n        blocks.set(block, group = [])\n\n      /* Add index to group */\n      group.push(index)\n    }\n\n    /* Just return string, if no occurrences */\n    if (blocks.size === 0)\n      return input\n\n    /* Compute slices */\n    const slices: string[] = []\n    for (const [block, indexes] of blocks) {\n      const t = table[block]\n\n      /* Extract positions and length */\n      const start  = t[0]            >>> 12\n      const end    = t[t.length - 1] >>> 12\n      const length = t[t.length - 1] >>> 2 & 0x3FF\n\n      /* Add prefix, if full results are desired */\n      if (full && start > cursor)\n        slices.push(input.slice(cursor, start))\n\n      /* Extract and highlight slice */\n      let slice = input.slice(start, end + length)\n      for (const j of indexes.sort((a, b) => b - a)) {\n\n        /* Retrieve offset and length of match */\n        const p = (t[j] >>> 12) - start\n        const q = (t[j] >>> 2 & 0x3FF) + p\n\n        /* Wrap occurrence */\n        slice = [\n          slice.slice(0, p),\n          \"<mark>\",\n          slice.slice(p, q),\n          \"</mark>\",\n          slice.slice(q)\n        ].join(\"\")\n      }\n\n      /* Update cursor */\n      cursor = end + length\n\n      /* Append slice and abort if we have two */\n      if (slices.push(slice) === 2)\n        break\n    }\n\n    /* Add suffix, if full results are desired */\n    if (full && cursor < input.length)\n      slices.push(input.slice(cursor))\n\n    /* Return highlighted slices */\n    return slices.join(\"\")\n  })\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { split } from \"../_\"\nimport {\n  Extract,\n  extract\n} from \"../extract\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Split a string or set of strings into tokens\n *\n * This tokenizer supersedes the default tokenizer that is provided by Lunr.js,\n * as it is aware of HTML tags and allows for multi-character splitting.\n *\n * It takes the given inputs, splits each of them into markup and text sections,\n * tokenizes and segments (if necessary) each of them, and then indexes them in\n * a table by using a compact bit representation. Bitwise techniques are used\n * to write and read from the table during indexing and querying.\n *\n * @see https://bit.ly/3W3Xw4J - Search: better, faster, smaller\n *\n * @param input - Input value(s)\n *\n * @returns Tokens\n */\nexport function tokenize(\n  input?: string | string[]\n): lunr.Token[] {\n  const tokens: lunr.Token[] = []\n  if (typeof input === \"undefined\")\n    return tokens\n\n  /* Tokenize strings one after another */\n  const inputs = Array.isArray(input) ? input : [input]\n  for (let i = 0; i < inputs.length; i++) {\n    const table = lunr.tokenizer.table\n    const total = table.length\n\n    /* Split string into sections and tokenize content blocks */\n    extract(inputs[i], (block, type, start, end) => {\n      table[block += total] ||= []\n      switch (type) {\n\n        /* Handle markup */\n        case Extract.TAG_OPEN:\n        case Extract.TAG_CLOSE:\n          table[block].push(\n            start       << 12 |\n            end - start <<  2 |\n            type\n          )\n          break\n\n        /* Handle text content */\n        case Extract.TEXT:\n          const section = inputs[i].slice(start, end)\n          split(section, lunr.tokenizer.separator, (index, until) => {\n\n            /**\n             * Apply segmenter after tokenization. Note that the segmenter will\n             * also split words at word boundaries, which is not what we want,\n             * so we need to check if we can somehow mitigate this behavior.\n             */\n            if (typeof lunr.segmenter !== \"undefined\") {\n              const subsection = section.slice(index, until)\n              if (/^[MHIK]$/.test(lunr.segmenter.ctype_(subsection))) {\n                const segments = lunr.segmenter.segment(subsection)\n                for (let s = 0, l = 0; s < segments.length; s++) {\n\n                  /* Add block to section */\n                  table[block] ||= []\n                  table[block].push(\n                    start + index + l  << 12 |\n                    segments[s].length <<  2 |\n                    type\n                  )\n\n                  /* Add token with position */\n                  tokens.push(new lunr.Token(\n                    segments[s].toLowerCase(), {\n                      position: block << 20 | table[block].length - 1\n                    }\n                  ))\n\n                  /* Keep track of length */\n                  l += segments[s].length\n                }\n                return\n              }\n            }\n\n            /* Add block to section */\n            table[block].push(\n              start + index << 12 |\n              until - index <<  2 |\n              type\n            )\n\n            /* Add token with position */\n            tokens.push(new lunr.Token(\n              section.slice(index, until).toLowerCase(), {\n                position: block << 20 | table[block].length - 1\n              }\n            ))\n          })\n      }\n    })\n  }\n\n  /* Return tokens */\n  return tokens\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Visitor function\n *\n * @param value - String value\n *\n * @returns String term(s)\n */\ntype VisitorFn = (\n  value: string\n) => string | string[]\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Default transformation function\n *\n * 1. Trim excess whitespace from left and right.\n *\n * 2. Search for parts in quotation marks and prepend a `+` modifier to denote\n *    that the resulting document must contain all parts, converting the query\n *    to an `AND` query (as opposed to the default `OR` behavior). While users\n *    may expect parts enclosed in quotation marks to map to span queries, i.e.\n *    for which order is important, Lunr.js doesn't support them, so the best\n *    we can do is to convert the parts to an `AND` query.\n *\n * 3. Replace control characters which are not located at the beginning of the\n *    query or preceded by white space, or are not followed by a non-whitespace\n *    character or are at the end of the query string. Furthermore, filter\n *    unmatched quotation marks.\n *\n * 4. Split the query string at whitespace, then pass each part to the visitor\n *    function for tokenization, and append a wildcard to every resulting term\n *    that is not explicitly marked with a `+`, `-`, `~` or `^` modifier, since\n *    it ensures consistent and stable ranking when multiple terms are entered.\n *    Also, if a fuzzy or boost modifier are given, but no numeric value has\n *    been entered, default to 1 to not induce a query error.\n *\n * @param query - Query value\n * @param fn - Visitor function\n *\n * @returns Transformed query value\n */\nexport function transform(\n  query: string, fn: VisitorFn = term => term\n): string {\n  return query\n\n    /* => 1 */\n    .trim()\n\n    /* => 2 */\n    .split(/\"([^\"]+)\"/g)\n      .map((parts, index) => index & 1\n        ? parts.replace(/^\\b|^(?![^\\x00-\\x7F]|$)|\\s+/g, \" +\")\n        : parts\n      )\n      .join(\"\")\n\n    /* => 3 */\n    .replace(/\"|(?:^|\\s+)[*+\\-:^~]+(?=\\s+|$)/g, \"\")\n\n    /* => 4 */\n    .split(/\\s+/g)\n      .reduce((prev, term) => {\n        const next = fn(term)\n        return [...prev, ...Array.isArray(next) ? next : [next]]\n      }, [] as string[])\n      .map(term => /([~^]$)/.test(term) ? `${term}1` : term)\n      .map(term => /(^[+-]|[~^]\\d+$)/.test(term) ? term : `${term}*`)\n      .join(\" \")\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { split } from \"../../internal\"\nimport { transform } from \"../transform\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query clause\n */\nexport interface SearchQueryClause {\n  presence: lunr.Query.presence        /* Clause presence */\n  term: string                         /* Clause term */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search query terms\n */\nexport type SearchQueryTerms = Record<string, boolean>\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Transform search query\n *\n * This function lexes the given search query and applies the transformation\n * function to each term, preserving markup like `+` and `-` modifiers.\n *\n * @param query - Search query\n *\n * @returns Search query\n */\nexport function transformSearchQuery(\n  query: string\n): string {\n\n  /* Split query terms with tokenizer */\n  return transform(query, part => {\n    const terms: string[] = []\n\n    /* Initialize lexer and analyze part */\n    const lexer = new lunr.QueryLexer(part)\n    lexer.run()\n\n    /* Extract and tokenize term from lexeme */\n    for (const { type, str: term, start, end } of lexer.lexemes)\n      switch (type) {\n\n        /* Hack: remove colon - see https://bit.ly/3wD3T3I */\n        case \"FIELD\":\n          if (![\"title\", \"text\", \"tags\"].includes(term))\n            part = [\n              part.slice(0, end),\n              \" \",\n              part.slice(end + 1)\n            ].join(\"\")\n          break\n\n        /* Tokenize term */\n        case \"TERM\":\n          split(term, lunr.tokenizer.separator, (...range) => {\n            terms.push([\n              part.slice(0, start),\n              term.slice(...range),\n              part.slice(end)\n            ].join(\"\"))\n          })\n      }\n\n    /* Return terms */\n    return terms\n  })\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Parse a search query for analysis\n *\n * Lunr.js itself has a bug where it doesn't detect or remove wildcards for\n * query clauses, so we must do this here.\n *\n * @see https://bit.ly/3DpTGtz - GitHub issue\n *\n * @param value - Query value\n *\n * @returns Search query clauses\n */\nexport function parseSearchQuery(\n  value: string\n): SearchQueryClause[] {\n  const query  = new lunr.Query([\"title\", \"text\", \"tags\"])\n  const parser = new lunr.QueryParser(value, query)\n\n  /* Parse Search query */\n  parser.parse()\n  for (const clause of query.clauses) {\n    clause.usePipeline = true\n\n    /* Handle leading wildcard */\n    if (clause.term.startsWith(\"*\")) {\n      clause.wildcard = lunr.Query.wildcard.LEADING\n      clause.term = clause.term.slice(1)\n    }\n\n    /* Handle trailing wildcard */\n    if (clause.term.endsWith(\"*\")) {\n      clause.wildcard = lunr.Query.wildcard.TRAILING\n      clause.term = clause.term.slice(0, -1)\n    }\n  }\n\n  /* Return query clauses */\n  return query.clauses\n}\n\n/**\n * Analyze the search query clauses in regard to the search terms found\n *\n * @param query - Search query clauses\n * @param terms - Search terms\n *\n * @returns Search query terms\n */\nexport function getSearchQueryTerms(\n  query: SearchQueryClause[], terms: string[]\n): SearchQueryTerms {\n  const clauses = new Set<SearchQueryClause>(query)\n\n  /* Match query clauses against terms */\n  const result: SearchQueryTerms = {}\n  for (let t = 0; t < terms.length; t++)\n    for (const clause of clauses)\n      if (terms[t].startsWith(clause.term)) {\n        result[clause.term] = true\n        clauses.delete(clause)\n      }\n\n  /* Annotate unmatched non-stopword query clauses */\n  for (const clause of clauses)\n    if (lunr.stopWordFilter?.(clause.term))\n      result[clause.term] = false\n\n  /* Return query terms */\n  return result\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Segment a search query using the inverted index\n *\n * This function implements a clever approach to text segmentation for Asian\n * languages, as it used the information already available in the search index.\n * The idea is to greedily segment the search query based on the tokens that are\n * already part of the index, as described in the linked issue.\n *\n * @see https://bit.ly/3lwjrk7 - GitHub issue\n *\n * @param query - Query value\n * @param index - Inverted index\n *\n * @returns Segmented query value\n */\nexport function segment(\n  query: string, index: object\n): Iterable<string> {\n  const segments = new Set<string>()\n\n  /* Segment search query */\n  const wordcuts = new Uint16Array(query.length)\n  for (let i = 0; i < query.length; i++)\n    for (let j = i + 1; j < query.length; j++) {\n      const value = query.slice(i, j)\n      if (value in index)\n        wordcuts[i] = j - i\n    }\n\n  /* Compute longest matches with minimum overlap */\n  const stack = [0]\n  for (let s = stack.length; s > 0;) {\n    const p = stack[--s]\n    for (let q = 1; q < wordcuts[p]; q++)\n      if (wordcuts[p + q] > wordcuts[p] - q) {\n        segments.add(query.slice(p, p + q))\n        stack[s++] = p + q\n      }\n\n    /* Continue at end of query string */\n    const q = p + wordcuts[p]\n    if (wordcuts[q] && q < query.length - 1)\n      stack[s++] = q\n\n    /* Add current segment */\n    segments.add(query.slice(p, q))\n  }\n\n  // @todo fix this case in the code block above, this is a hotfix\n  if (segments.has(\"\"))\n    return new Set([query])\n\n  /* Return segmented query value */\n  return segments\n}\n", "/*\n * Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n  SearchDocument,\n  SearchIndex,\n  SearchOptions,\n  setupSearchDocumentMap\n} from \"../config\"\nimport {\n  Position,\n  PositionTable,\n  highlight,\n  highlightAll,\n  tokenize\n} from \"../internal\"\nimport {\n  SearchQueryTerms,\n  getSearchQueryTerms,\n  parseSearchQuery,\n  segment,\n  transformSearchQuery\n} from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search item\n */\nexport interface SearchItem\n  extends SearchDocument\n{\n  score: number                        /* Score (relevance) */\n  terms: SearchQueryTerms              /* Search query terms */\n}\n\n/**\n * Search result\n */\nexport interface SearchResult {\n  items: SearchItem[][]                /* Search items */\n  suggest?: string[]                   /* Search suggestions */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create field extractor factory\n *\n * @param table - Position table map\n *\n * @returns Extractor factory\n */\nfunction extractor(table: Map<string, PositionTable>) {\n  return (name: keyof SearchDocument) => {\n    return (doc: SearchDocument) => {\n      if (typeof doc[name] === \"undefined\")\n        return undefined\n\n      /* Compute identifier and initialize table */\n      const id = [doc.location, name].join(\":\")\n      table.set(id, lunr.tokenizer.table = [])\n\n      /* Return field value */\n      return doc[name]\n    }\n  }\n}\n\n/**\n * Compute the difference of two lists of strings\n *\n * @param a - 1st list of strings\n * @param b - 2nd list of strings\n *\n * @returns Difference\n */\nfunction difference(a: string[], b: string[]): string[] {\n  const [x, y] = [new Set(a), new Set(b)]\n  return [\n    ...new Set([...x].filter(value => !y.has(value)))\n  ]\n}\n\n/* ----------------------------------------------------------------------------\n * Class\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index\n */\nexport class Search {\n\n  /**\n   * Search document map\n   */\n  protected map: Map<string, SearchDocument>\n\n  /**\n   * Search options\n   */\n  protected options: SearchOptions\n\n  /**\n   * The underlying Lunr.js search index\n   */\n  protected index: lunr.Index\n\n  /**\n   * Internal position table map\n   */\n  protected table: Map<string, PositionTable>\n\n  /**\n   * Create the search integration\n   *\n   * @param data - Search index\n   */\n  public constructor({ config, docs, options }: SearchIndex) {\n    const field = extractor(this.table = new Map())\n\n    /* Set up document map and options */\n    this.map = setupSearchDocumentMap(docs)\n    this.options = options\n\n    /* Set up document index */\n    this.index = lunr(function () {\n      this.metadataWhitelist = [\"position\"]\n      this.b(0)\n\n      /* Set up (multi-)language support */\n      if (config.lang.length === 1 && config.lang[0] !== \"en\") {\n        // @ts-expect-error - namespace indexing not supported\n        this.use(lunr[config.lang[0]])\n      } else if (config.lang.length > 1) {\n        this.use(lunr.multiLanguage(...config.lang))\n      }\n\n      /* Set up custom tokenizer (must be after language setup) */\n      this.tokenizer = tokenize as typeof lunr.tokenizer\n      lunr.tokenizer.separator = new RegExp(config.separator)\n\n      /* Set up custom segmenter, if loaded */\n      lunr.segmenter = \"TinySegmenter\" in lunr\n        ? new lunr.TinySegmenter()\n        : undefined\n\n      /* Compute functions to be removed from the pipeline */\n      const fns = difference([\n        \"trimmer\", \"stopWordFilter\", \"stemmer\"\n      ], config.pipeline)\n\n      /* Remove functions from the pipeline for registered languages */\n      for (const lang of config.lang.map(language => (\n        // @ts-expect-error - namespace indexing not supported\n        language === \"en\" ? lunr : lunr[language]\n      )))\n        for (const fn of fns) {\n          this.pipeline.remove(lang[fn])\n          this.searchPipeline.remove(lang[fn])\n        }\n\n      /* Set up index reference */\n      this.ref(\"location\")\n\n      /* Set up index fields */\n      for (const [name, spec] of Object.entries(config.fields))\n        // @ts-expect-error - fix typings, if this proves to be a good idea\n        this.field(name, { ...spec, extractor: field(name) })\n\n      /* Add documents to index */\n      for (const doc of docs)\n        this.add(doc, { boost: doc.boost })\n    })\n  }\n\n  /**\n   * Search for matching documents\n   *\n   * @param query - Search query\n   *\n   * @returns Search result\n   */\n  public search(query: string): SearchResult {\n\n    // Experimental Chinese segmentation\n    query = query.replace(/\\p{sc=Han}+/gu, value => {\n      return [...segment(value, this.index.invertedIndex)]\n        .join(\"* \")\n    })\n\n    // @todo: move segmenter (above) into transformSearchQuery\n    query = transformSearchQuery(query)\n    if (!query)\n      return { items: [] }\n\n    /* Parse query to extract clauses for analysis */\n    const clauses = parseSearchQuery(query)\n      .filter(clause => (\n        clause.presence !== lunr.Query.presence.PROHIBITED\n      ))\n\n    /* Perform search and post-process results */\n    const groups = this.index.search(query)\n\n      /* Apply post-query boosts based on title and search query terms */\n      .reduce<SearchItem[]>((item, { ref, score, matchData }) => {\n        let doc = this.map.get(ref)\n        if (typeof doc !== \"undefined\") {\n\n          /* Shallow copy document */\n          doc = { ...doc }\n          if (doc.tags)\n            doc.tags = [...doc.tags]\n\n          /* Compute and analyze search query terms */\n          const terms = getSearchQueryTerms(\n            clauses,\n            Object.keys(matchData.metadata)\n          )\n\n          /* Highlight matches in fields */\n          for (const field of this.index.fields) {\n            if (typeof doc[field] === \"undefined\")\n              continue\n\n            /* Collect positions from matches */\n            const positions: Position[] = []\n            for (const match of Object.values(matchData.metadata))\n              if (typeof match[field] !== \"undefined\")\n                positions.push(...match[field].position)\n\n            /* Skip highlighting, if no positions were collected */\n            if (!positions.length)\n              continue\n\n            /* Load table and determine highlighting method */\n            const table = this.table.get([doc.location, field].join(\":\"))!\n            const fn = Array.isArray(doc[field])\n              ? highlightAll\n              : highlight\n\n            // @ts-expect-error - stop moaning, TypeScript!\n            doc[field] = fn(doc[field], table, positions, field !== \"text\")\n          }\n\n          /* Highlight title and text and apply post-query boosts */\n          const boost = +!doc.parent +\n            Object.values(terms)\n              .filter(t => t).length /\n            Object.keys(terms).length\n\n          /* Append item */\n          item.push({\n            ...doc,\n            score: score * (1 + boost ** 2),\n            terms\n          })\n        }\n        return item\n      }, [])\n\n      /* Sort search results again after applying boosts */\n      .sort((a, b) => b.score - a.score)\n\n      /* Group search results by article */\n      .reduce((items, result) => {\n        const doc = this.map.get(result.location)\n        if (typeof doc !== \"undefined\") {\n          const ref = doc.parent\n            ? doc.parent.location\n            : doc.location\n          items.set(ref, [...items.get(ref) || [], result])\n        }\n        return items\n      }, new Map<string, SearchItem[]>())\n\n    /* Ensure that every item set has an article */\n    for (const [ref, items] of groups)\n      if (!items.find(item => item.location === ref)) {\n        const doc = this.map.get(ref)!\n        items.push({ ...doc, score: 0, terms: {} })\n      }\n\n    /* Generate search suggestions, if desired */\n    let suggest: string[] | undefined\n    if (this.options.suggest) {\n      const titles = this.index.query(builder => {\n        for (const clause of clauses)\n          builder.term(clause.term, {\n            fields: [\"title\"],\n            presence: lunr.Query.presence.REQUIRED,\n            wildcard: lunr.Query.wildcard.TRAILING\n          })\n      })\n\n      /* Retrieve suggestions for best match */\n      suggest = titles.length\n        ? Object.keys(titles[0].matchData.metadata)\n        : []\n    }\n\n    /* Return search result */\n    return {\n      items: [...groups.values()],\n      ...typeof suggest !== \"undefined\" && { suggest }\n    }\n  }\n}\n"],
+  "mappings": 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diff --git a/dev/assets/stylesheets/main.618322db.min.css b/dev/assets/stylesheets/main.618322db.min.css
new file mode 100644
index 00000000..a2b5000a
--- /dev/null
+++ b/dev/assets/stylesheets/main.618322db.min.css
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diff --git a/dev/assets/stylesheets/main.84d31ad4.min.css b/dev/assets/stylesheets/main.84d31ad4.min.css
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index dd67ff4f..00000000
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diff --git a/dev/assets/stylesheets/palette.06af60db.min.css b/dev/assets/stylesheets/palette.06af60db.min.css
deleted file mode 100644
index a640d38a..00000000
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diff --git a/dev/assets/stylesheets/palette.06af60db.min.css.map b/dev/assets/stylesheets/palette.06af60db.min.css.map
deleted file mode 100644
index efb568c5..00000000
--- a/dev/assets/stylesheets/palette.06af60db.min.css.map
+++ /dev/null
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diff --git a/dev/assets/stylesheets/palette.ab4e12ef.min.css b/dev/assets/stylesheets/palette.ab4e12ef.min.css
new file mode 100644
index 00000000..75aaf842
--- /dev/null
+++ b/dev/assets/stylesheets/palette.ab4e12ef.min.css
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diff --git a/dev/assets/stylesheets/palette.ab4e12ef.min.css.map b/dev/assets/stylesheets/palette.ab4e12ef.min.css.map
new file mode 100644
index 00000000..1026d57c
--- /dev/null
+++ b/dev/assets/stylesheets/palette.ab4e12ef.min.css.map
@@ -0,0 +1 @@
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index 4b8557ff..7f14b693 100644
--- a/dev/boot/index.html
+++ b/dev/boot/index.html
@@ -16,8 +16,11 @@
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-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -892,10 +1011,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -903,7 +1027,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -928,10 +1056,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -941,10 +1074,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -966,7 +1104,9 @@
         <li class="md-nav__item">
   <a href="#bootloader" class="md-nav__link">
     <span class="md-ellipsis">
-      Bootloader
+      
+        Bootloader
+      
     </span>
   </a>
   
@@ -976,7 +1116,9 @@
           <li class="md-nav__item">
   <a href="#configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuration
+      
+        Configuration
+      
     </span>
   </a>
   
@@ -985,7 +1127,9 @@
           <li class="md-nav__item">
   <a href="#u-boot" class="md-nav__link">
     <span class="md-ellipsis">
-      U-Boot
+      
+        U-Boot
+      
     </span>
   </a>
   
@@ -994,7 +1138,9 @@
           <li class="md-nav__item">
   <a href="#grub" class="md-nav__link">
     <span class="md-ellipsis">
-      GRUB
+      
+        GRUB
+      
     </span>
   </a>
   
@@ -1008,7 +1154,9 @@
         <li class="md-nav__item">
   <a href="#system-boot" class="md-nav__link">
     <span class="md-ellipsis">
-      System Boot
+      
+        System Boot
+      
     </span>
   </a>
   
@@ -1018,7 +1166,9 @@
           <li class="md-nav__item">
   <a href="#failure-modes" class="md-nav__link">
     <span class="md-ellipsis">
-      Failure Modes
+      
+        Failure Modes
+      
     </span>
   </a>
   
@@ -1028,7 +1178,9 @@
           <li class="md-nav__item">
   <a href="#vpd-fail" class="md-nav__link">
     <span class="md-ellipsis">
-      VPD Fail
+      
+        VPD Fail
+      
     </span>
   </a>
   
@@ -1037,7 +1189,9 @@
           <li class="md-nav__item">
   <a href="#broken-startup-config" class="md-nav__link">
     <span class="md-ellipsis">
-      Broken startup-config
+      
+        Broken startup-config
+      
     </span>
   </a>
   
@@ -1056,7 +1210,9 @@
         <li class="md-nav__item">
   <a href="#system-upgrade" class="md-nav__link">
     <span class="md-ellipsis">
-      System Upgrade
+      
+        System Upgrade
+      
     </span>
   </a>
   
@@ -1065,7 +1221,9 @@
         <li class="md-nav__item">
   <a href="#image-formats" class="md-nav__link">
     <span class="md-ellipsis">
-      Image Formats
+      
+        Image Formats
+      
     </span>
   </a>
   
@@ -1075,7 +1233,9 @@
           <li class="md-nav__item">
   <a href="#squashfs-image" class="md-nav__link">
     <span class="md-ellipsis">
-      SquashFS Image
+      
+        SquashFS Image
+      
     </span>
   </a>
   
@@ -1084,7 +1244,9 @@
           <li class="md-nav__item">
   <a href="#fit-framed-squash-image" class="md-nav__link">
     <span class="md-ellipsis">
-      FIT Framed Squash Image
+      
+        FIT Framed Squash Image
+      
     </span>
   </a>
   
@@ -1093,7 +1255,9 @@
           <li class="md-nav__item">
   <a href="#rauc-upgrade-bundle" class="md-nav__link">
     <span class="md-ellipsis">
-      RAUC Upgrade Bundle
+      
+        RAUC Upgrade Bundle
+      
     </span>
   </a>
   
@@ -1102,7 +1266,9 @@
           <li class="md-nav__item">
   <a href="#disk-image" class="md-nav__link">
     <span class="md-ellipsis">
-      Disk Image
+      
+        Disk Image
+      
     </span>
   </a>
   
@@ -1112,7 +1278,9 @@
           <li class="md-nav__item">
   <a href="#boot-bootloader" class="md-nav__link">
     <span class="md-ellipsis">
-      boot - Bootloader
+      
+        boot - Bootloader
+      
     </span>
   </a>
   
@@ -1121,7 +1289,9 @@
           <li class="md-nav__item">
   <a href="#aux-auxiliary-data" class="md-nav__link">
     <span class="md-ellipsis">
-      aux - Auxiliary Data
+      
+        aux - Auxiliary Data
+      
     </span>
   </a>
   
@@ -1130,7 +1300,9 @@
           <li class="md-nav__item">
   <a href="#primarysecondary-root-filesystems" class="md-nav__link">
     <span class="md-ellipsis">
-      primary/secondary - Root Filesystems
+      
+        primary/secondary - Root Filesystems
+      
     </span>
   </a>
   
@@ -1139,7 +1311,9 @@
           <li class="md-nav__item">
   <a href="#cfg-configuration-data" class="md-nav__link">
     <span class="md-ellipsis">
-      cfg - Configuration Data
+      
+        cfg - Configuration Data
+      
     </span>
   </a>
   
@@ -1148,7 +1322,9 @@
           <li class="md-nav__item">
   <a href="#var-variable-data" class="md-nav__link">
     <span class="md-ellipsis">
-      var - Variable Data
+      
+        var - Variable Data
+      
     </span>
   </a>
   
@@ -1185,10 +1361,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1208,10 +1389,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1231,10 +1417,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1254,10 +1445,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1277,10 +1473,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1330,10 +1531,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1341,7 +1547,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1357,10 +1567,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1380,10 +1595,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1403,10 +1623,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1426,10 +1651,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1449,10 +1679,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1508,10 +1743,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1519,7 +1759,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1535,10 +1779,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1558,10 +1807,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1581,10 +1835,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1604,10 +1863,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1627,10 +1891,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1650,10 +1919,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1673,10 +1947,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1696,10 +1975,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1726,10 +2010,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1765,7 +2054,9 @@
         <li class="md-nav__item">
   <a href="#bootloader" class="md-nav__link">
     <span class="md-ellipsis">
-      Bootloader
+      
+        Bootloader
+      
     </span>
   </a>
   
@@ -1775,7 +2066,9 @@
           <li class="md-nav__item">
   <a href="#configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuration
+      
+        Configuration
+      
     </span>
   </a>
   
@@ -1784,7 +2077,9 @@
           <li class="md-nav__item">
   <a href="#u-boot" class="md-nav__link">
     <span class="md-ellipsis">
-      U-Boot
+      
+        U-Boot
+      
     </span>
   </a>
   
@@ -1793,7 +2088,9 @@
           <li class="md-nav__item">
   <a href="#grub" class="md-nav__link">
     <span class="md-ellipsis">
-      GRUB
+      
+        GRUB
+      
     </span>
   </a>
   
@@ -1807,7 +2104,9 @@
         <li class="md-nav__item">
   <a href="#system-boot" class="md-nav__link">
     <span class="md-ellipsis">
-      System Boot
+      
+        System Boot
+      
     </span>
   </a>
   
@@ -1817,7 +2116,9 @@
           <li class="md-nav__item">
   <a href="#failure-modes" class="md-nav__link">
     <span class="md-ellipsis">
-      Failure Modes
+      
+        Failure Modes
+      
     </span>
   </a>
   
@@ -1827,7 +2128,9 @@
           <li class="md-nav__item">
   <a href="#vpd-fail" class="md-nav__link">
     <span class="md-ellipsis">
-      VPD Fail
+      
+        VPD Fail
+      
     </span>
   </a>
   
@@ -1836,7 +2139,9 @@
           <li class="md-nav__item">
   <a href="#broken-startup-config" class="md-nav__link">
     <span class="md-ellipsis">
-      Broken startup-config
+      
+        Broken startup-config
+      
     </span>
   </a>
   
@@ -1855,7 +2160,9 @@
         <li class="md-nav__item">
   <a href="#system-upgrade" class="md-nav__link">
     <span class="md-ellipsis">
-      System Upgrade
+      
+        System Upgrade
+      
     </span>
   </a>
   
@@ -1864,7 +2171,9 @@
         <li class="md-nav__item">
   <a href="#image-formats" class="md-nav__link">
     <span class="md-ellipsis">
-      Image Formats
+      
+        Image Formats
+      
     </span>
   </a>
   
@@ -1874,7 +2183,9 @@
           <li class="md-nav__item">
   <a href="#squashfs-image" class="md-nav__link">
     <span class="md-ellipsis">
-      SquashFS Image
+      
+        SquashFS Image
+      
     </span>
   </a>
   
@@ -1883,7 +2194,9 @@
           <li class="md-nav__item">
   <a href="#fit-framed-squash-image" class="md-nav__link">
     <span class="md-ellipsis">
-      FIT Framed Squash Image
+      
+        FIT Framed Squash Image
+      
     </span>
   </a>
   
@@ -1892,7 +2205,9 @@
           <li class="md-nav__item">
   <a href="#rauc-upgrade-bundle" class="md-nav__link">
     <span class="md-ellipsis">
-      RAUC Upgrade Bundle
+      
+        RAUC Upgrade Bundle
+      
     </span>
   </a>
   
@@ -1901,7 +2216,9 @@
           <li class="md-nav__item">
   <a href="#disk-image" class="md-nav__link">
     <span class="md-ellipsis">
-      Disk Image
+      
+        Disk Image
+      
     </span>
   </a>
   
@@ -1911,7 +2228,9 @@
           <li class="md-nav__item">
   <a href="#boot-bootloader" class="md-nav__link">
     <span class="md-ellipsis">
-      boot - Bootloader
+      
+        boot - Bootloader
+      
     </span>
   </a>
   
@@ -1920,7 +2239,9 @@
           <li class="md-nav__item">
   <a href="#aux-auxiliary-data" class="md-nav__link">
     <span class="md-ellipsis">
-      aux - Auxiliary Data
+      
+        aux - Auxiliary Data
+      
     </span>
   </a>
   
@@ -1929,7 +2250,9 @@
           <li class="md-nav__item">
   <a href="#primarysecondary-root-filesystems" class="md-nav__link">
     <span class="md-ellipsis">
-      primary/secondary - Root Filesystems
+      
+        primary/secondary - Root Filesystems
+      
     </span>
   </a>
   
@@ -1938,7 +2261,9 @@
           <li class="md-nav__item">
   <a href="#cfg-configuration-data" class="md-nav__link">
     <span class="md-ellipsis">
-      cfg - Configuration Data
+      
+        cfg - Configuration Data
+      
     </span>
   </a>
   
@@ -1947,7 +2272,9 @@
           <li class="md-nav__item">
   <a href="#var-variable-data" class="md-nav__link">
     <span class="md-ellipsis">
-      var - Variable Data
+      
+        var - Variable Data
+      
     </span>
   </a>
   
@@ -1973,6 +2300,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="./" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    System
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2486,10 +2862,11 @@ between previously isolated VLANs.&nbsp;<a class="footnote-backref" href="#fnref
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/branding/index.html b/dev/branding/index.html
index d8cdf4e8..29a6e839 100644
--- a/dev/branding/index.html
+++ b/dev/branding/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../developers-guide/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1085,10 +1243,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1096,7 +1259,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1112,10 +1279,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1135,10 +1307,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1158,10 +1335,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1181,10 +1363,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1204,10 +1391,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1265,10 +1457,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1276,7 +1473,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1301,10 +1502,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1314,10 +1520,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1339,7 +1550,9 @@
         <li class="md-nav__item">
   <a href="#branding" class="md-nav__link">
     <span class="md-ellipsis">
-      Branding
+      
+        Branding
+      
     </span>
   </a>
   
@@ -1348,7 +1561,9 @@
         <li class="md-nav__item">
   <a href="#factory-failure-config" class="md-nav__link">
     <span class="md-ellipsis">
-      Factory &amp; Failure Config
+      
+        Factory &amp; Failure Config
+      
     </span>
   </a>
   
@@ -1358,7 +1573,9 @@
           <li class="md-nav__item">
   <a href="#variables-format-specifiers" class="md-nav__link">
     <span class="md-ellipsis">
-      Variables &amp; Format Specifiers
+      
+        Variables &amp; Format Specifiers
+      
     </span>
   </a>
   
@@ -1367,7 +1584,9 @@
           <li class="md-nav__item">
   <a href="#static-files" class="md-nav__link">
     <span class="md-ellipsis">
-      Static Files
+      
+        Static Files
+      
     </span>
   </a>
   
@@ -1376,7 +1595,9 @@
           <li class="md-nav__item">
   <a href="#dynamically-generated" class="md-nav__link">
     <span class="md-ellipsis">
-      Dynamically Generated
+      
+        Dynamically Generated
+      
     </span>
   </a>
   
@@ -1385,7 +1606,9 @@
           <li class="md-nav__item">
   <a href="#example-snippets" class="md-nav__link">
     <span class="md-ellipsis">
-      Example Snippets
+      
+        Example Snippets
+      
     </span>
   </a>
   
@@ -1395,7 +1618,9 @@
           <li class="md-nav__item">
   <a href="#ietf-system" class="md-nav__link">
     <span class="md-ellipsis">
-      IETF System
+      
+        IETF System
+      
     </span>
   </a>
   
@@ -1404,7 +1629,9 @@
           <li class="md-nav__item">
   <a href="#ietf-keystore" class="md-nav__link">
     <span class="md-ellipsis">
-      IETF Keystore
+      
+        IETF Keystore
+      
     </span>
   </a>
   
@@ -1413,7 +1640,9 @@
           <li class="md-nav__item">
   <a href="#ietf-netconf-server" class="md-nav__link">
     <span class="md-ellipsis">
-      IETF NETCONF Server
+      
+        IETF NETCONF Server
+      
     </span>
   </a>
   
@@ -1422,7 +1651,9 @@
           <li class="md-nav__item">
   <a href="#infix-services" class="md-nav__link">
     <span class="md-ellipsis">
-      Infix Services
+      
+        Infix Services
+      
     </span>
   </a>
   
@@ -1441,7 +1672,9 @@
         <li class="md-nav__item">
   <a href="#integration" class="md-nav__link">
     <span class="md-ellipsis">
-      Integration
+      
+        Integration
+      
     </span>
   </a>
   
@@ -1450,7 +1683,9 @@
         <li class="md-nav__item">
   <a href="#releases" class="md-nav__link">
     <span class="md-ellipsis">
-      Releases
+      
+        Releases
+      
     </span>
   </a>
   
@@ -1460,7 +1695,9 @@
           <li class="md-nav__item">
   <a href="#versioning" class="md-nav__link">
     <span class="md-ellipsis">
-      Versioning
+      
+        Versioning
+      
     </span>
   </a>
   
@@ -1469,7 +1706,9 @@
           <li class="md-nav__item">
   <a href="#specifying-versioning-information" class="md-nav__link">
     <span class="md-ellipsis">
-      Specifying Versioning Information
+      
+        Specifying Versioning Information
+      
     </span>
   </a>
   
@@ -1479,7 +1718,9 @@
           <li class="md-nav__item">
   <a href="#infix_build_id" class="md-nav__link">
     <span class="md-ellipsis">
-      INFIX_BUILD_ID
+      
+        INFIX_BUILD_ID
+      
     </span>
   </a>
   
@@ -1488,7 +1729,9 @@
           <li class="md-nav__item">
   <a href="#infix_release" class="md-nav__link">
     <span class="md-ellipsis">
-      INFIX_RELEASE
+      
+        INFIX_RELEASE
+      
     </span>
   </a>
   
@@ -1525,10 +1768,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1548,10 +1796,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1571,10 +1824,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1594,10 +1852,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1617,10 +1880,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1640,10 +1908,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1663,10 +1936,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1693,10 +1971,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1732,7 +2015,9 @@
         <li class="md-nav__item">
   <a href="#branding" class="md-nav__link">
     <span class="md-ellipsis">
-      Branding
+      
+        Branding
+      
     </span>
   </a>
   
@@ -1741,7 +2026,9 @@
         <li class="md-nav__item">
   <a href="#factory-failure-config" class="md-nav__link">
     <span class="md-ellipsis">
-      Factory &amp; Failure Config
+      
+        Factory &amp; Failure Config
+      
     </span>
   </a>
   
@@ -1751,7 +2038,9 @@
           <li class="md-nav__item">
   <a href="#variables-format-specifiers" class="md-nav__link">
     <span class="md-ellipsis">
-      Variables &amp; Format Specifiers
+      
+        Variables &amp; Format Specifiers
+      
     </span>
   </a>
   
@@ -1760,7 +2049,9 @@
           <li class="md-nav__item">
   <a href="#static-files" class="md-nav__link">
     <span class="md-ellipsis">
-      Static Files
+      
+        Static Files
+      
     </span>
   </a>
   
@@ -1769,7 +2060,9 @@
           <li class="md-nav__item">
   <a href="#dynamically-generated" class="md-nav__link">
     <span class="md-ellipsis">
-      Dynamically Generated
+      
+        Dynamically Generated
+      
     </span>
   </a>
   
@@ -1778,7 +2071,9 @@
           <li class="md-nav__item">
   <a href="#example-snippets" class="md-nav__link">
     <span class="md-ellipsis">
-      Example Snippets
+      
+        Example Snippets
+      
     </span>
   </a>
   
@@ -1788,7 +2083,9 @@
           <li class="md-nav__item">
   <a href="#ietf-system" class="md-nav__link">
     <span class="md-ellipsis">
-      IETF System
+      
+        IETF System
+      
     </span>
   </a>
   
@@ -1797,7 +2094,9 @@
           <li class="md-nav__item">
   <a href="#ietf-keystore" class="md-nav__link">
     <span class="md-ellipsis">
-      IETF Keystore
+      
+        IETF Keystore
+      
     </span>
   </a>
   
@@ -1806,7 +2105,9 @@
           <li class="md-nav__item">
   <a href="#ietf-netconf-server" class="md-nav__link">
     <span class="md-ellipsis">
-      IETF NETCONF Server
+      
+        IETF NETCONF Server
+      
     </span>
   </a>
   
@@ -1815,7 +2116,9 @@
           <li class="md-nav__item">
   <a href="#infix-services" class="md-nav__link">
     <span class="md-ellipsis">
-      Infix Services
+      
+        Infix Services
+      
     </span>
   </a>
   
@@ -1834,7 +2137,9 @@
         <li class="md-nav__item">
   <a href="#integration" class="md-nav__link">
     <span class="md-ellipsis">
-      Integration
+      
+        Integration
+      
     </span>
   </a>
   
@@ -1843,7 +2148,9 @@
         <li class="md-nav__item">
   <a href="#releases" class="md-nav__link">
     <span class="md-ellipsis">
-      Releases
+      
+        Releases
+      
     </span>
   </a>
   
@@ -1853,7 +2160,9 @@
           <li class="md-nav__item">
   <a href="#versioning" class="md-nav__link">
     <span class="md-ellipsis">
-      Versioning
+      
+        Versioning
+      
     </span>
   </a>
   
@@ -1862,7 +2171,9 @@
           <li class="md-nav__item">
   <a href="#specifying-versioning-information" class="md-nav__link">
     <span class="md-ellipsis">
-      Specifying Versioning Information
+      
+        Specifying Versioning Information
+      
     </span>
   </a>
   
@@ -1872,7 +2183,9 @@
           <li class="md-nav__item">
   <a href="#infix_build_id" class="md-nav__link">
     <span class="md-ellipsis">
-      INFIX_BUILD_ID
+      
+        INFIX_BUILD_ID
+      
     </span>
   </a>
   
@@ -1881,7 +2194,9 @@
           <li class="md-nav__item">
   <a href="#infix_release" class="md-nav__link">
     <span class="md-ellipsis">
-      INFIX_RELEASE
+      
+        INFIX_RELEASE
+      
     </span>
   </a>
   
@@ -1907,6 +2222,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="./" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Developer's Corner
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2325,10 +2689,11 @@ printed on a label on the device.&nbsp;<a class="footnote-backref" href="#fnref:
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/cli/configure/index.html b/dev/cli/configure/index.html
index 1f7ce890..4751506b 100644
--- a/dev/cli/configure/index.html
+++ b/dev/cli/configure/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../keybindings/">
       
       
+        
+      
+      
       <link rel="icon" href="../../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -333,10 +340,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -344,7 +356,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -360,10 +376,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -392,10 +413,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -405,10 +431,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -430,7 +461,9 @@
         <li class="md-nav__item">
   <a href="#set-ip-address-on-an-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      Set IP Address on an Interface
+      
+        Set IP Address on an Interface
+      
     </span>
   </a>
   
@@ -439,7 +472,9 @@
         <li class="md-nav__item">
   <a href="#saving-changes" class="md-nav__link">
     <span class="md-ellipsis">
-      Saving Changes
+      
+        Saving Changes
+      
     </span>
   </a>
   
@@ -448,7 +483,9 @@
         <li class="md-nav__item">
   <a href="#changing-hostname" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing Hostname
+      
+        Changing Hostname
+      
     </span>
   </a>
   
@@ -457,7 +494,9 @@
         <li class="md-nav__item">
   <a href="#changing-password" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing Password
+      
+        Changing Password
+      
     </span>
   </a>
   
@@ -466,7 +505,9 @@
         <li class="md-nav__item">
   <a href="#ssh-authorized-key" class="md-nav__link">
     <span class="md-ellipsis">
-      SSH Authorized Key
+      
+        SSH Authorized Key
+      
     </span>
   </a>
   
@@ -475,7 +516,9 @@
         <li class="md-nav__item">
   <a href="#creating-a-veth-pair" class="md-nav__link">
     <span class="md-ellipsis">
-      Creating a VETH Pair
+      
+        Creating a VETH Pair
+      
     </span>
   </a>
   
@@ -484,7 +527,9 @@
         <li class="md-nav__item">
   <a href="#creating-a-bridge" class="md-nav__link">
     <span class="md-ellipsis">
-      Creating a Bridge
+      
+        Creating a Bridge
+      
     </span>
   </a>
   
@@ -511,10 +556,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -534,10 +584,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -557,10 +612,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -580,10 +640,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -603,10 +668,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -626,10 +696,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -656,10 +731,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -703,10 +783,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -714,7 +799,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -730,10 +819,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -753,10 +847,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -776,10 +875,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -799,10 +903,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -822,10 +931,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -845,10 +959,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -892,10 +1011,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -903,7 +1027,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -919,10 +1047,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -942,10 +1075,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -997,10 +1135,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1008,7 +1151,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1024,10 +1171,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1047,10 +1199,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1070,10 +1227,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1093,10 +1255,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1116,10 +1283,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1139,10 +1311,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1192,10 +1369,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1203,7 +1385,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1219,10 +1405,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1242,10 +1433,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1265,10 +1461,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1288,10 +1489,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1311,10 +1517,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1370,10 +1581,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1381,7 +1597,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1397,10 +1617,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1420,10 +1645,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1443,10 +1673,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1466,10 +1701,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1489,10 +1729,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1512,10 +1757,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1535,10 +1785,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1558,10 +1813,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1588,10 +1848,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1627,7 +1892,9 @@
         <li class="md-nav__item">
   <a href="#set-ip-address-on-an-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      Set IP Address on an Interface
+      
+        Set IP Address on an Interface
+      
     </span>
   </a>
   
@@ -1636,7 +1903,9 @@
         <li class="md-nav__item">
   <a href="#saving-changes" class="md-nav__link">
     <span class="md-ellipsis">
-      Saving Changes
+      
+        Saving Changes
+      
     </span>
   </a>
   
@@ -1645,7 +1914,9 @@
         <li class="md-nav__item">
   <a href="#changing-hostname" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing Hostname
+      
+        Changing Hostname
+      
     </span>
   </a>
   
@@ -1654,7 +1925,9 @@
         <li class="md-nav__item">
   <a href="#changing-password" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing Password
+      
+        Changing Password
+      
     </span>
   </a>
   
@@ -1663,7 +1936,9 @@
         <li class="md-nav__item">
   <a href="#ssh-authorized-key" class="md-nav__link">
     <span class="md-ellipsis">
-      SSH Authorized Key
+      
+        SSH Authorized Key
+      
     </span>
   </a>
   
@@ -1672,7 +1947,9 @@
         <li class="md-nav__item">
   <a href="#creating-a-veth-pair" class="md-nav__link">
     <span class="md-ellipsis">
-      Creating a VETH Pair
+      
+        Creating a VETH Pair
+      
     </span>
   </a>
   
@@ -1681,7 +1958,9 @@
         <li class="md-nav__item">
   <a href="#creating-a-bridge" class="md-nav__link">
     <span class="md-ellipsis">
-      Creating a Bridge
+      
+        Creating a Bridge
+      
     </span>
   </a>
   
@@ -1697,6 +1976,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href="../.." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../introduction/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    CLI
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1998,10 +2326,11 @@ name is not already taken.  However, for any name outside the pattern
     
     
       
-      <script id="__config" type="application/json">{"base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/cli/introduction/index.html b/dev/cli/introduction/index.html
index d1933ab8..3237e5e3 100644
--- a/dev/cli/introduction/index.html
+++ b/dev/cli/introduction/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../configure/">
       
       
+        
+      
+      
       <link rel="icon" href="../../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -333,10 +340,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -344,7 +356,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -369,10 +385,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -382,10 +403,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -407,7 +433,9 @@
         <li class="md-nav__item">
   <a href="#key-concepts" class="md-nav__link">
     <span class="md-ellipsis">
-      Key Concepts
+      
+        Key Concepts
+      
     </span>
   </a>
   
@@ -416,7 +444,9 @@
         <li class="md-nav__item">
   <a href="#example-session" class="md-nav__link">
     <span class="md-ellipsis">
-      Example Session
+      
+        Example Session
+      
     </span>
   </a>
   
@@ -443,10 +473,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -466,10 +501,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -489,10 +529,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -512,10 +557,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -535,10 +585,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -558,10 +613,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -581,10 +641,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -611,10 +676,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -658,10 +728,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -669,7 +744,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -685,10 +764,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -708,10 +792,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -731,10 +820,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -754,10 +848,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -777,10 +876,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -800,10 +904,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -847,10 +956,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -858,7 +972,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -874,10 +992,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -897,10 +1020,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -952,10 +1080,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -963,7 +1096,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -979,10 +1116,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1002,10 +1144,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1025,10 +1172,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1048,10 +1200,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1071,10 +1228,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1094,10 +1256,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1147,10 +1314,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1158,7 +1330,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1174,10 +1350,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1197,10 +1378,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1220,10 +1406,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1243,10 +1434,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1266,10 +1462,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1325,10 +1526,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1336,7 +1542,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1352,10 +1562,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1375,10 +1590,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1398,10 +1618,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1421,10 +1646,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1444,10 +1674,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1467,10 +1702,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1490,10 +1730,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1513,10 +1758,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1543,10 +1793,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1582,7 +1837,9 @@
         <li class="md-nav__item">
   <a href="#key-concepts" class="md-nav__link">
     <span class="md-ellipsis">
-      Key Concepts
+      
+        Key Concepts
+      
     </span>
   </a>
   
@@ -1591,7 +1848,9 @@
         <li class="md-nav__item">
   <a href="#example-session" class="md-nav__link">
     <span class="md-ellipsis">
-      Example Session
+      
+        Example Session
+      
     </span>
   </a>
   
@@ -1607,6 +1866,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href="../.." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="./" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    CLI
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1875,10 +2183,11 @@ it is <em>not</em> applied if validation is successful:</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/cli/keybindings/index.html b/dev/cli/keybindings/index.html
index 442bf8de..808da014 100644
--- a/dev/cli/keybindings/index.html
+++ b/dev/cli/keybindings/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../netcalc/">
       
       
+        
+      
+      
       <link rel="icon" href="../../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -333,10 +340,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -344,7 +356,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
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@@ -360,10 +376,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
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     </li>
@@ -383,10 +404,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
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@@ -415,10 +441,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
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+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -428,10 +459,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
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@@ -453,7 +489,9 @@
         <li class="md-nav__item">
   <a href="#what-is-meta" class="md-nav__link">
     <span class="md-ellipsis">
-      What is Meta?
+      
+        What is Meta?
+      
     </span>
   </a>
   
@@ -462,7 +500,9 @@
         <li class="md-nav__item">
   <a href="#usage" class="md-nav__link">
     <span class="md-ellipsis">
-      Usage
+      
+        Usage
+      
     </span>
   </a>
   
@@ -489,10 +529,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -512,10 +557,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -535,10 +585,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -558,10 +613,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -581,10 +641,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -611,10 +676,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -658,10 +728,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -669,7 +744,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -685,10 +764,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -708,10 +792,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -731,10 +820,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -754,10 +848,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -777,10 +876,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -800,10 +904,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -847,10 +956,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -858,7 +972,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -874,10 +992,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -897,10 +1020,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -952,10 +1080,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -963,7 +1096,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -979,10 +1116,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1002,10 +1144,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1025,10 +1172,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1048,10 +1200,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1071,10 +1228,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1094,10 +1256,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1147,10 +1314,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1158,7 +1330,11 @@
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           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
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@@ -1174,10 +1350,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1197,10 +1378,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1220,10 +1406,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1243,10 +1434,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1266,10 +1462,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1325,10 +1526,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1336,7 +1542,11 @@
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           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1352,10 +1562,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1375,10 +1590,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1398,10 +1618,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1421,10 +1646,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1444,10 +1674,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1467,10 +1702,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1490,10 +1730,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1513,10 +1758,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1543,10 +1793,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1582,7 +1837,9 @@
         <li class="md-nav__item">
   <a href="#what-is-meta" class="md-nav__link">
     <span class="md-ellipsis">
-      What is Meta?
+      
+        What is Meta?
+      
     </span>
   </a>
   
@@ -1591,7 +1848,9 @@
         <li class="md-nav__item">
   <a href="#usage" class="md-nav__link">
     <span class="md-ellipsis">
-      Usage
+      
+        Usage
+      
     </span>
   </a>
   
@@ -1607,6 +1866,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href="../.." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../introduction/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    CLI
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1799,10 +2107,11 @@ datetime        Show current date and time, default RFC2822 format
     
     
       
-      <script id="__config" type="application/json">{"base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/cli/netcalc/index.html b/dev/cli/netcalc/index.html
index 930a35e7..911ff78a 100644
--- a/dev/cli/netcalc/index.html
+++ b/dev/cli/netcalc/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../tcpdump/">
       
       
+        
+      
+      
       <link rel="icon" href="../../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
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             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -333,10 +340,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -344,7 +356,11 @@
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           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -360,10 +376,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -383,10 +404,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -406,10 +432,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -438,10 +469,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -451,10 +487,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -476,7 +517,9 @@
         <li class="md-nav__item">
   <a href="#description" class="md-nav__link">
     <span class="md-ellipsis">
-      Description
+      
+        Description
+      
     </span>
   </a>
   
@@ -485,7 +528,9 @@
         <li class="md-nav__item">
   <a href="#examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Examples
+      
+        Examples
+      
     </span>
   </a>
   
@@ -512,10 +557,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -535,10 +585,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -558,10 +613,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -581,10 +641,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -611,10 +676,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -658,10 +728,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -669,7 +744,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -685,10 +764,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -708,10 +792,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -731,10 +820,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -754,10 +848,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -777,10 +876,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -800,10 +904,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -847,10 +956,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -858,7 +972,11 @@
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           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
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+  
+
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           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -874,10 +992,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -897,10 +1020,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -952,10 +1080,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -963,7 +1096,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -979,10 +1116,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1002,10 +1144,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1025,10 +1172,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1048,10 +1200,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1071,10 +1228,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1094,10 +1256,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1147,10 +1314,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1158,7 +1330,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1174,10 +1350,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1197,10 +1378,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1220,10 +1406,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1243,10 +1434,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1266,10 +1462,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1325,10 +1526,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1336,7 +1542,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1352,10 +1562,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1375,10 +1590,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1398,10 +1618,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1421,10 +1646,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1444,10 +1674,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1467,10 +1702,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1490,10 +1730,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1513,10 +1758,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1543,10 +1793,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1582,7 +1837,9 @@
         <li class="md-nav__item">
   <a href="#description" class="md-nav__link">
     <span class="md-ellipsis">
-      Description
+      
+        Description
+      
     </span>
   </a>
   
@@ -1591,7 +1848,9 @@
         <li class="md-nav__item">
   <a href="#examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Examples
+      
+        Examples
+      
     </span>
   </a>
   
@@ -1607,6 +1866,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href="../.." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../introduction/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    CLI
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1714,10 +2022,11 @@ in four:</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/cli/quick/index.html b/dev/cli/quick/index.html
index b4319152..fd8dc443 100644
--- a/dev/cli/quick/index.html
+++ b/dev/cli/quick/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../text-editor/">
       
       
+        
+      
+      
       <link rel="icon" href="../../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
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             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -333,10 +340,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -344,7 +356,11 @@
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           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -360,10 +376,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -383,10 +404,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -406,10 +432,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -429,10 +460,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -452,10 +488,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -484,10 +525,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -508,10 +554,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -531,10 +582,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -561,10 +617,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -608,10 +669,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -619,7 +685,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -635,10 +705,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -658,10 +733,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -681,10 +761,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -704,10 +789,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -727,10 +817,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -750,10 +845,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -797,10 +897,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -808,7 +913,11 @@
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           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
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+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -824,10 +933,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -847,10 +961,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -902,10 +1021,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -913,7 +1037,11 @@
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           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
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+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -929,10 +1057,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -952,10 +1085,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -975,10 +1113,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -998,10 +1141,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1021,10 +1169,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1044,10 +1197,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1097,10 +1255,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1108,7 +1271,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1124,10 +1291,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1147,10 +1319,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1170,10 +1347,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1193,10 +1375,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1216,10 +1403,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1275,10 +1467,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1286,7 +1483,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1302,10 +1503,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1325,10 +1531,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1348,10 +1559,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1371,10 +1587,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1394,10 +1615,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1417,10 +1643,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1440,10 +1671,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1463,10 +1699,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1493,10 +1734,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1531,6 +1777,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href="../.." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../introduction/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    CLI
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1662,10 +1957,11 @@ exec help from configure context, e.g., <code>do help text-editor</code></p>
     
     
       
-      <script id="__config" type="application/json">{"base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/cli/tcpdump/index.html b/dev/cli/tcpdump/index.html
index 45b7c8ce..7075c503 100644
--- a/dev/cli/tcpdump/index.html
+++ b/dev/cli/tcpdump/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../quick/">
       
       
+        
+      
+      
       <link rel="icon" href="../../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -333,10 +340,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -344,7 +356,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -360,10 +376,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -383,10 +404,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -406,10 +432,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -429,10 +460,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -461,10 +497,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -474,10 +515,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -499,7 +545,9 @@
         <li class="md-nav__item">
   <a href="#hardware-overview" class="md-nav__link">
     <span class="md-ellipsis">
-      Hardware Overview
+      
+        Hardware Overview
+      
     </span>
   </a>
   
@@ -508,7 +556,9 @@
         <li class="md-nav__item">
   <a href="#examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Examples
+      
+        Examples
+      
     </span>
   </a>
   
@@ -535,10 +585,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -558,10 +613,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -581,10 +641,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -611,10 +676,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -658,10 +728,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -669,7 +744,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -685,10 +764,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -708,10 +792,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -731,10 +820,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -754,10 +848,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -777,10 +876,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -800,10 +904,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -847,10 +956,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -858,7 +972,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -874,10 +992,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -897,10 +1020,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -952,10 +1080,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -963,7 +1096,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -979,10 +1116,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1002,10 +1144,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1025,10 +1172,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1048,10 +1200,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1071,10 +1228,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1094,10 +1256,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1147,10 +1314,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1158,7 +1330,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1174,10 +1350,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1197,10 +1378,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1220,10 +1406,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1243,10 +1434,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1266,10 +1462,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1325,10 +1526,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1336,7 +1542,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1352,10 +1562,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1375,10 +1590,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1398,10 +1618,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1421,10 +1646,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1444,10 +1674,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1467,10 +1702,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1490,10 +1730,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1513,10 +1758,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1543,10 +1793,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1582,7 +1837,9 @@
         <li class="md-nav__item">
   <a href="#hardware-overview" class="md-nav__link">
     <span class="md-ellipsis">
-      Hardware Overview
+      
+        Hardware Overview
+      
     </span>
   </a>
   
@@ -1591,7 +1848,9 @@
         <li class="md-nav__item">
   <a href="#examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Examples
+      
+        Examples
+      
     </span>
   </a>
   
@@ -1607,6 +1866,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href="../.." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../introduction/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    CLI
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1742,10 +2050,11 @@ particular type increment means traffic is ingressing or egressing.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/cli/text-editor/index.html b/dev/cli/text-editor/index.html
index 3e8aa5c6..c97b49a0 100644
--- a/dev/cli/text-editor/index.html
+++ b/dev/cli/text-editor/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../upgrade/">
       
       
+        
+      
+      
       <link rel="icon" href="../../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -333,10 +340,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -344,7 +356,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -360,10 +376,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -383,10 +404,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -406,10 +432,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -429,10 +460,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -452,10 +488,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -475,10 +516,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -507,10 +553,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -520,10 +571,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -545,7 +601,9 @@
         <li class="md-nav__item">
   <a href="#escape-metaalt-control-shift" class="md-nav__link">
     <span class="md-ellipsis">
-      Escape Meta/Alt Control Shift
+      
+        Escape Meta/Alt Control Shift
+      
     </span>
   </a>
   
@@ -555,7 +613,9 @@
           <li class="md-nav__item">
   <a href="#quick-help-c-h-q" class="md-nav__link">
     <span class="md-ellipsis">
-      Quick help C-h q
+      
+        Quick help C-h q
+      
     </span>
   </a>
   
@@ -564,7 +624,9 @@
           <li class="md-nav__item">
   <a href="#save-exit-c-x-c-c" class="md-nav__link">
     <span class="md-ellipsis">
-      Save &amp; Exit C-x C-c
+      
+        Save &amp; Exit C-x C-c
+      
     </span>
   </a>
   
@@ -578,7 +640,9 @@
         <li class="md-nav__item">
   <a href="#changing-the-editor" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing the Editor
+      
+        Changing the Editor
+      
     </span>
   </a>
   
@@ -605,10 +669,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -635,10 +704,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -682,10 +756,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -693,7 +772,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -709,10 +792,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -732,10 +820,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -755,10 +848,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -778,10 +876,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -801,10 +904,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -824,10 +932,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -871,10 +984,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -882,7 +1000,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -898,10 +1020,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -921,10 +1048,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -976,10 +1108,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -987,7 +1124,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1003,10 +1144,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1026,10 +1172,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1049,10 +1200,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1072,10 +1228,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1095,10 +1256,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1118,10 +1284,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1171,10 +1342,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1182,7 +1358,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1198,10 +1378,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1221,10 +1406,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1244,10 +1434,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1267,10 +1462,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1290,10 +1490,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1349,10 +1554,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1360,7 +1570,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1376,10 +1590,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1399,10 +1618,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1422,10 +1646,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1445,10 +1674,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1468,10 +1702,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1491,10 +1730,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1514,10 +1758,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1537,10 +1786,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1567,10 +1821,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1606,7 +1865,9 @@
         <li class="md-nav__item">
   <a href="#escape-metaalt-control-shift" class="md-nav__link">
     <span class="md-ellipsis">
-      Escape Meta/Alt Control Shift
+      
+        Escape Meta/Alt Control Shift
+      
     </span>
   </a>
   
@@ -1616,7 +1877,9 @@
           <li class="md-nav__item">
   <a href="#quick-help-c-h-q" class="md-nav__link">
     <span class="md-ellipsis">
-      Quick help C-h q
+      
+        Quick help C-h q
+      
     </span>
   </a>
   
@@ -1625,7 +1888,9 @@
           <li class="md-nav__item">
   <a href="#save-exit-c-x-c-c" class="md-nav__link">
     <span class="md-ellipsis">
-      Save &amp; Exit C-x C-c
+      
+        Save &amp; Exit C-x C-c
+      
     </span>
   </a>
   
@@ -1639,7 +1904,9 @@
         <li class="md-nav__item">
   <a href="#changing-the-editor" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing the Editor
+      
+        Changing the Editor
+      
     </span>
   </a>
   
@@ -1655,6 +1922,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href="../.." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../introduction/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    CLI
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1770,10 +2086,11 @@ that final newline may be important.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/cli/upgrade/index.html b/dev/cli/upgrade/index.html
index 6cf51e54..15be755b 100644
--- a/dev/cli/upgrade/index.html
+++ b/dev/cli/upgrade/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../../container/">
       
       
+        
+      
+      
       <link rel="icon" href="../../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -333,10 +340,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -344,7 +356,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -360,10 +376,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -383,10 +404,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -406,10 +432,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -429,10 +460,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -452,10 +488,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -475,10 +516,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -498,10 +544,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -530,10 +581,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -561,10 +617,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -608,10 +669,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -619,7 +685,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -635,10 +705,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -658,10 +733,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -681,10 +761,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -704,10 +789,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -727,10 +817,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -750,10 +845,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -797,10 +897,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -808,7 +913,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -824,10 +933,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -847,10 +961,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -902,10 +1021,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -913,7 +1037,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -929,10 +1057,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -952,10 +1085,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -975,10 +1113,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -998,10 +1141,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1021,10 +1169,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1044,10 +1197,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1097,10 +1255,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1108,7 +1271,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1124,10 +1291,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1147,10 +1319,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1170,10 +1347,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1193,10 +1375,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1216,10 +1403,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1275,10 +1467,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1286,7 +1483,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1302,10 +1503,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1325,10 +1531,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1348,10 +1559,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1371,10 +1587,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1394,10 +1615,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1417,10 +1643,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1440,10 +1671,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1463,10 +1699,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1493,10 +1734,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1531,6 +1777,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href="../.." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../introduction/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    CLI
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1635,10 +1930,11 @@ and then repeat the same command.&nbsp;<a class="footnote-backref" href="#fnref:
     
     
       
-      <script id="__config" type="application/json">{"base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "../..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/container/index.html b/dev/container/index.html
index 0a4feb4a..b788d144 100644
--- a/dev/container/index.html
+++ b/dev/container/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../networking/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -558,10 +614,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -571,10 +632,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -596,7 +662,9 @@
         <li class="md-nav__item">
   <a href="#caution" class="md-nav__link">
     <span class="md-ellipsis">
-      Caution
+      
+        Caution
+      
     </span>
   </a>
   
@@ -605,7 +673,9 @@
         <li class="md-nav__item">
   <a href="#getting-started" class="md-nav__link">
     <span class="md-ellipsis">
-      Getting Started
+      
+        Getting Started
+      
     </span>
   </a>
   
@@ -615,7 +685,9 @@
           <li class="md-nav__item">
   <a href="#example-hello-world" class="md-nav__link">
     <span class="md-ellipsis">
-      Example: Hello World
+      
+        Example: Hello World
+      
     </span>
   </a>
   
@@ -624,7 +696,9 @@
           <li class="md-nav__item">
   <a href="#example-web-server" class="md-nav__link">
     <span class="md-ellipsis">
-      Example: Web Server
+      
+        Example: Web Server
+      
     </span>
   </a>
   
@@ -638,7 +712,9 @@
         <li class="md-nav__item">
   <a href="#container-images" class="md-nav__link">
     <span class="md-ellipsis">
-      Container Images
+      
+        Container Images
+      
     </span>
   </a>
   
@@ -647,7 +723,9 @@
         <li class="md-nav__item">
   <a href="#understanding-image-tags" class="md-nav__link">
     <span class="md-ellipsis">
-      Understanding Image Tags
+      
+        Understanding Image Tags
+      
     </span>
   </a>
   
@@ -657,7 +735,9 @@
           <li class="md-nav__item">
   <a href="#mutable-tags" class="md-nav__link">
     <span class="md-ellipsis">
-      Mutable Tags
+      
+        Mutable Tags
+      
     </span>
   </a>
   
@@ -666,7 +746,9 @@
           <li class="md-nav__item">
   <a href="#immutable-tags" class="md-nav__link">
     <span class="md-ellipsis">
-      Immutable Tags
+      
+        Immutable Tags
+      
     </span>
   </a>
   
@@ -680,7 +762,9 @@
         <li class="md-nav__item">
   <a href="#upgrading-container-images" class="md-nav__link">
     <span class="md-ellipsis">
-      Upgrading Container Images
+      
+        Upgrading Container Images
+      
     </span>
   </a>
   
@@ -690,7 +774,9 @@
           <li class="md-nav__item">
   <a href="#how-container-lifecycle-works" class="md-nav__link">
     <span class="md-ellipsis">
-      How Container Lifecycle Works
+      
+        How Container Lifecycle Works
+      
     </span>
   </a>
   
@@ -699,7 +785,9 @@
           <li class="md-nav__item">
   <a href="#method-1-upgrading-immutable-tags" class="md-nav__link">
     <span class="md-ellipsis">
-      Method 1: Upgrading Immutable Tags
+      
+        Method 1: Upgrading Immutable Tags
+      
     </span>
   </a>
   
@@ -708,7 +796,9 @@
           <li class="md-nav__item">
   <a href="#method-2-upgrading-mutable-tags" class="md-nav__link">
     <span class="md-ellipsis">
-      Method 2: Upgrading Mutable Tags
+      
+        Method 2: Upgrading Mutable Tags
+      
     </span>
   </a>
   
@@ -717,7 +807,9 @@
           <li class="md-nav__item">
   <a href="#embedded-container-images" class="md-nav__link">
     <span class="md-ellipsis">
-      Embedded Container Images
+      
+        Embedded Container Images
+      
     </span>
   </a>
   
@@ -731,7 +823,9 @@
         <li class="md-nav__item">
   <a href="#capabilities" class="md-nav__link">
     <span class="md-ellipsis">
-      Capabilities
+      
+        Capabilities
+      
     </span>
   </a>
   
@@ -740,7 +834,9 @@
         <li class="md-nav__item">
   <a href="#networking-and-containers" class="md-nav__link">
     <span class="md-ellipsis">
-      Networking and Containers
+      
+        Networking and Containers
+      
     </span>
   </a>
   
@@ -750,7 +846,9 @@
           <li class="md-nav__item">
   <a href="#container-bridge" class="md-nav__link">
     <span class="md-ellipsis">
-      Container Bridge
+      
+        Container Bridge
+      
     </span>
   </a>
   
@@ -759,7 +857,9 @@
           <li class="md-nav__item">
   <a href="#container-host-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      Container Host Interface
+      
+        Container Host Interface
+      
     </span>
   </a>
   
@@ -769,7 +869,9 @@
           <li class="md-nav__item">
   <a href="#routed-setup" class="md-nav__link">
     <span class="md-ellipsis">
-      Routed Setup
+      
+        Routed Setup
+      
     </span>
   </a>
   
@@ -778,7 +880,9 @@
           <li class="md-nav__item">
   <a href="#bridged-setup" class="md-nav__link">
     <span class="md-ellipsis">
-      Bridged Setup
+      
+        Bridged Setup
+      
     </span>
   </a>
   
@@ -792,7 +896,9 @@
           <li class="md-nav__item">
   <a href="#host-networking" class="md-nav__link">
     <span class="md-ellipsis">
-      Host Networking
+      
+        Host Networking
+      
     </span>
   </a>
   
@@ -806,7 +912,9 @@
         <li class="md-nav__item">
   <a href="#mounts-and-volumes" class="md-nav__link">
     <span class="md-ellipsis">
-      Mounts and Volumes
+      
+        Mounts and Volumes
+      
     </span>
   </a>
   
@@ -816,7 +924,9 @@
           <li class="md-nav__item">
   <a href="#volume-management" class="md-nav__link">
     <span class="md-ellipsis">
-      Volume Management
+      
+        Volume Management
+      
     </span>
   </a>
   
@@ -825,7 +935,9 @@
           <li class="md-nav__item">
   <a href="#content-mounts" class="md-nav__link">
     <span class="md-ellipsis">
-      Content Mounts
+      
+        Content Mounts
+      
     </span>
   </a>
   
@@ -839,7 +951,9 @@
         <li class="md-nav__item">
   <a href="#example-containers" class="md-nav__link">
     <span class="md-ellipsis">
-      Example Containers
+      
+        Example Containers
+      
     </span>
   </a>
   
@@ -849,7 +963,9 @@
           <li class="md-nav__item">
   <a href="#system-container" class="md-nav__link">
     <span class="md-ellipsis">
-      System Container
+      
+        System Container
+      
     </span>
   </a>
   
@@ -858,7 +974,9 @@
           <li class="md-nav__item">
   <a href="#application-container-nftables" class="md-nav__link">
     <span class="md-ellipsis">
-      Application Container: nftables
+      
+        Application Container: nftables
+      
     </span>
   </a>
   
@@ -867,7 +985,9 @@
           <li class="md-nav__item">
   <a href="#application-container-ntpd" class="md-nav__link">
     <span class="md-ellipsis">
-      Application Container: ntpd
+      
+        Application Container: ntpd
+      
     </span>
   </a>
   
@@ -881,7 +1001,9 @@
         <li class="md-nav__item">
   <a href="#advanced" class="md-nav__link">
     <span class="md-ellipsis">
-      Advanced
+      
+        Advanced
+      
     </span>
   </a>
   
@@ -891,7 +1013,9 @@
           <li class="md-nav__item">
   <a href="#running-host-commands-from-container" class="md-nav__link">
     <span class="md-ellipsis">
-      Running Host Commands From Container
+      
+        Running Host Commands From Container
+      
     </span>
   </a>
   
@@ -905,7 +1029,9 @@
         <li class="md-nav__item">
   <a href="#container-requirements" class="md-nav__link">
     <span class="md-ellipsis">
-      Container Requirements
+      
+        Container Requirements
+      
     </span>
   </a>
   
@@ -915,7 +1041,9 @@
           <li class="md-nav__item">
   <a href="#advanced-users" class="md-nav__link">
     <span class="md-ellipsis">
-      Advanced Users
+      
+        Advanced Users
+      
     </span>
   </a>
   
@@ -971,10 +1099,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -982,7 +1115,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -998,10 +1135,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1021,10 +1163,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1044,10 +1191,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1067,10 +1219,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1090,10 +1247,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1113,10 +1275,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1160,10 +1327,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1171,7 +1343,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1187,10 +1363,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1210,10 +1391,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1265,10 +1451,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1276,7 +1467,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1292,10 +1487,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1315,10 +1515,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1338,10 +1543,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1361,10 +1571,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1384,10 +1599,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1407,10 +1627,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1460,10 +1685,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1471,7 +1701,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1487,10 +1721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1510,10 +1749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1533,10 +1777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1556,10 +1805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1579,10 +1833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1638,10 +1897,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1649,7 +1913,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1665,10 +1933,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1688,10 +1961,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1711,10 +1989,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1734,10 +2017,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1757,10 +2045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1780,10 +2073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1803,10 +2101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1826,10 +2129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1856,10 +2164,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1895,7 +2208,9 @@
         <li class="md-nav__item">
   <a href="#caution" class="md-nav__link">
     <span class="md-ellipsis">
-      Caution
+      
+        Caution
+      
     </span>
   </a>
   
@@ -1904,7 +2219,9 @@
         <li class="md-nav__item">
   <a href="#getting-started" class="md-nav__link">
     <span class="md-ellipsis">
-      Getting Started
+      
+        Getting Started
+      
     </span>
   </a>
   
@@ -1914,7 +2231,9 @@
           <li class="md-nav__item">
   <a href="#example-hello-world" class="md-nav__link">
     <span class="md-ellipsis">
-      Example: Hello World
+      
+        Example: Hello World
+      
     </span>
   </a>
   
@@ -1923,7 +2242,9 @@
           <li class="md-nav__item">
   <a href="#example-web-server" class="md-nav__link">
     <span class="md-ellipsis">
-      Example: Web Server
+      
+        Example: Web Server
+      
     </span>
   </a>
   
@@ -1937,7 +2258,9 @@
         <li class="md-nav__item">
   <a href="#container-images" class="md-nav__link">
     <span class="md-ellipsis">
-      Container Images
+      
+        Container Images
+      
     </span>
   </a>
   
@@ -1946,7 +2269,9 @@
         <li class="md-nav__item">
   <a href="#understanding-image-tags" class="md-nav__link">
     <span class="md-ellipsis">
-      Understanding Image Tags
+      
+        Understanding Image Tags
+      
     </span>
   </a>
   
@@ -1956,7 +2281,9 @@
           <li class="md-nav__item">
   <a href="#mutable-tags" class="md-nav__link">
     <span class="md-ellipsis">
-      Mutable Tags
+      
+        Mutable Tags
+      
     </span>
   </a>
   
@@ -1965,7 +2292,9 @@
           <li class="md-nav__item">
   <a href="#immutable-tags" class="md-nav__link">
     <span class="md-ellipsis">
-      Immutable Tags
+      
+        Immutable Tags
+      
     </span>
   </a>
   
@@ -1979,7 +2308,9 @@
         <li class="md-nav__item">
   <a href="#upgrading-container-images" class="md-nav__link">
     <span class="md-ellipsis">
-      Upgrading Container Images
+      
+        Upgrading Container Images
+      
     </span>
   </a>
   
@@ -1989,7 +2320,9 @@
           <li class="md-nav__item">
   <a href="#how-container-lifecycle-works" class="md-nav__link">
     <span class="md-ellipsis">
-      How Container Lifecycle Works
+      
+        How Container Lifecycle Works
+      
     </span>
   </a>
   
@@ -1998,7 +2331,9 @@
           <li class="md-nav__item">
   <a href="#method-1-upgrading-immutable-tags" class="md-nav__link">
     <span class="md-ellipsis">
-      Method 1: Upgrading Immutable Tags
+      
+        Method 1: Upgrading Immutable Tags
+      
     </span>
   </a>
   
@@ -2007,7 +2342,9 @@
           <li class="md-nav__item">
   <a href="#method-2-upgrading-mutable-tags" class="md-nav__link">
     <span class="md-ellipsis">
-      Method 2: Upgrading Mutable Tags
+      
+        Method 2: Upgrading Mutable Tags
+      
     </span>
   </a>
   
@@ -2016,7 +2353,9 @@
           <li class="md-nav__item">
   <a href="#embedded-container-images" class="md-nav__link">
     <span class="md-ellipsis">
-      Embedded Container Images
+      
+        Embedded Container Images
+      
     </span>
   </a>
   
@@ -2030,7 +2369,9 @@
         <li class="md-nav__item">
   <a href="#capabilities" class="md-nav__link">
     <span class="md-ellipsis">
-      Capabilities
+      
+        Capabilities
+      
     </span>
   </a>
   
@@ -2039,7 +2380,9 @@
         <li class="md-nav__item">
   <a href="#networking-and-containers" class="md-nav__link">
     <span class="md-ellipsis">
-      Networking and Containers
+      
+        Networking and Containers
+      
     </span>
   </a>
   
@@ -2049,7 +2392,9 @@
           <li class="md-nav__item">
   <a href="#container-bridge" class="md-nav__link">
     <span class="md-ellipsis">
-      Container Bridge
+      
+        Container Bridge
+      
     </span>
   </a>
   
@@ -2058,7 +2403,9 @@
           <li class="md-nav__item">
   <a href="#container-host-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      Container Host Interface
+      
+        Container Host Interface
+      
     </span>
   </a>
   
@@ -2068,7 +2415,9 @@
           <li class="md-nav__item">
   <a href="#routed-setup" class="md-nav__link">
     <span class="md-ellipsis">
-      Routed Setup
+      
+        Routed Setup
+      
     </span>
   </a>
   
@@ -2077,7 +2426,9 @@
           <li class="md-nav__item">
   <a href="#bridged-setup" class="md-nav__link">
     <span class="md-ellipsis">
-      Bridged Setup
+      
+        Bridged Setup
+      
     </span>
   </a>
   
@@ -2091,7 +2442,9 @@
           <li class="md-nav__item">
   <a href="#host-networking" class="md-nav__link">
     <span class="md-ellipsis">
-      Host Networking
+      
+        Host Networking
+      
     </span>
   </a>
   
@@ -2105,7 +2458,9 @@
         <li class="md-nav__item">
   <a href="#mounts-and-volumes" class="md-nav__link">
     <span class="md-ellipsis">
-      Mounts and Volumes
+      
+        Mounts and Volumes
+      
     </span>
   </a>
   
@@ -2115,7 +2470,9 @@
           <li class="md-nav__item">
   <a href="#volume-management" class="md-nav__link">
     <span class="md-ellipsis">
-      Volume Management
+      
+        Volume Management
+      
     </span>
   </a>
   
@@ -2124,7 +2481,9 @@
           <li class="md-nav__item">
   <a href="#content-mounts" class="md-nav__link">
     <span class="md-ellipsis">
-      Content Mounts
+      
+        Content Mounts
+      
     </span>
   </a>
   
@@ -2138,7 +2497,9 @@
         <li class="md-nav__item">
   <a href="#example-containers" class="md-nav__link">
     <span class="md-ellipsis">
-      Example Containers
+      
+        Example Containers
+      
     </span>
   </a>
   
@@ -2148,7 +2509,9 @@
           <li class="md-nav__item">
   <a href="#system-container" class="md-nav__link">
     <span class="md-ellipsis">
-      System Container
+      
+        System Container
+      
     </span>
   </a>
   
@@ -2157,7 +2520,9 @@
           <li class="md-nav__item">
   <a href="#application-container-nftables" class="md-nav__link">
     <span class="md-ellipsis">
-      Application Container: nftables
+      
+        Application Container: nftables
+      
     </span>
   </a>
   
@@ -2166,7 +2531,9 @@
           <li class="md-nav__item">
   <a href="#application-container-ntpd" class="md-nav__link">
     <span class="md-ellipsis">
-      Application Container: ntpd
+      
+        Application Container: ntpd
+      
     </span>
   </a>
   
@@ -2180,7 +2547,9 @@
         <li class="md-nav__item">
   <a href="#advanced" class="md-nav__link">
     <span class="md-ellipsis">
-      Advanced
+      
+        Advanced
+      
     </span>
   </a>
   
@@ -2190,7 +2559,9 @@
           <li class="md-nav__item">
   <a href="#running-host-commands-from-container" class="md-nav__link">
     <span class="md-ellipsis">
-      Running Host Commands From Container
+      
+        Running Host Commands From Container
+      
     </span>
   </a>
   
@@ -2204,7 +2575,9 @@
         <li class="md-nav__item">
   <a href="#container-requirements" class="md-nav__link">
     <span class="md-ellipsis">
-      Container Requirements
+      
+        Container Requirements
+      
     </span>
   </a>
   
@@ -2214,7 +2587,9 @@
           <li class="md-nav__item">
   <a href="#advanced-users" class="md-nav__link">
     <span class="md-ellipsis">
-      Advanced Users
+      
+        Advanced Users
+      
     </span>
   </a>
   
@@ -2235,6 +2610,15 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -3188,10 +3572,11 @@ it may not be enabled by default in BusyBox.&nbsp;<a class="footnote-backref" hr
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/developers-guide/index.html b/dev/developers-guide/index.html
index 251385f2..9aaaf8b5 100644
--- a/dev/developers-guide/index.html
+++ b/dev/developers-guide/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../override-package/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1085,10 +1243,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1096,7 +1259,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1112,10 +1279,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1135,10 +1307,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1158,10 +1335,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1181,10 +1363,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1204,10 +1391,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1265,10 +1457,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1276,7 +1473,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1292,10 +1493,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1324,10 +1530,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1337,10 +1548,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1362,7 +1578,9 @@
         <li class="md-nav__item">
   <a href="#cloning" class="md-nav__link">
     <span class="md-ellipsis">
-      Cloning
+      
+        Cloning
+      
     </span>
   </a>
   
@@ -1372,7 +1590,9 @@
           <li class="md-nav__item">
   <a href="#customer-builds" class="md-nav__link">
     <span class="md-ellipsis">
-      Customer Builds
+      
+        Customer Builds
+      
     </span>
   </a>
   
@@ -1386,7 +1606,9 @@
         <li class="md-nav__item">
   <a href="#building" class="md-nav__link">
     <span class="md-ellipsis">
-      Building
+      
+        Building
+      
     </span>
   </a>
   
@@ -1396,7 +1618,9 @@
           <li class="md-nav__item">
   <a href="#test" class="md-nav__link">
     <span class="md-ellipsis">
-      Test
+      
+        Test
+      
     </span>
   </a>
   
@@ -1405,7 +1629,9 @@
           <li class="md-nav__item">
   <a href="#documentation" class="md-nav__link">
     <span class="md-ellipsis">
-      Documentation
+      
+        Documentation
+      
     </span>
   </a>
   
@@ -1419,7 +1645,9 @@
         <li class="md-nav__item">
   <a href="#development" class="md-nav__link">
     <span class="md-ellipsis">
-      Development
+      
+        Development
+      
     </span>
   </a>
   
@@ -1429,7 +1657,9 @@
           <li class="md-nav__item">
   <a href="#yang-model" class="md-nav__link">
     <span class="md-ellipsis">
-      YANG Model
+      
+        YANG Model
+      
     </span>
   </a>
   
@@ -1438,7 +1668,9 @@
           <li class="md-nav__item">
   <a href="#confd" class="md-nav__link">
     <span class="md-ellipsis">
-      confd
+      
+        confd
+      
     </span>
   </a>
   
@@ -1447,7 +1679,9 @@
           <li class="md-nav__item">
   <a href="#statd" class="md-nav__link">
     <span class="md-ellipsis">
-      statd
+      
+        statd
+      
     </span>
   </a>
   
@@ -1461,7 +1695,9 @@
         <li class="md-nav__item">
   <a href="#upgrading-packages" class="md-nav__link">
     <span class="md-ellipsis">
-      Upgrading Packages
+      
+        Upgrading Packages
+      
     </span>
   </a>
   
@@ -1471,7 +1707,9 @@
           <li class="md-nav__item">
   <a href="#buildroot" class="md-nav__link">
     <span class="md-ellipsis">
-      Buildroot
+      
+        Buildroot
+      
     </span>
   </a>
   
@@ -1481,7 +1719,9 @@
           <li class="md-nav__item">
   <a href="#repo-locally-cloned-already" class="md-nav__link">
     <span class="md-ellipsis">
-      Repo locally cloned already
+      
+        Repo locally cloned already
+      
     </span>
   </a>
   
@@ -1490,7 +1730,9 @@
           <li class="md-nav__item">
   <a href="#no-local-repo-yet" class="md-nav__link">
     <span class="md-ellipsis">
-      No local repo yet
+      
+        No local repo yet
+      
     </span>
   </a>
   
@@ -1499,7 +1741,9 @@
           <li class="md-nav__item">
   <a href="#continue-here" class="md-nav__link">
     <span class="md-ellipsis">
-      Continue Here
+      
+        Continue Here
+      
     </span>
   </a>
   
@@ -1513,7 +1757,9 @@
           <li class="md-nav__item">
   <a href="#linux-kernel" class="md-nav__link">
     <span class="md-ellipsis">
-      Linux kernel
+      
+        Linux kernel
+      
     </span>
   </a>
   
@@ -1523,7 +1769,9 @@
           <li class="md-nav__item">
   <a href="#repo-locally-cloned-already_1" class="md-nav__link">
     <span class="md-ellipsis">
-      Repo locally cloned already
+      
+        Repo locally cloned already
+      
     </span>
   </a>
   
@@ -1542,7 +1790,9 @@
         <li class="md-nav__item">
   <a href="#testing" class="md-nav__link">
     <span class="md-ellipsis">
-      Testing
+      
+        Testing
+      
     </span>
   </a>
   
@@ -1551,7 +1801,9 @@
         <li class="md-nav__item">
   <a href="#reviewing" class="md-nav__link">
     <span class="md-ellipsis">
-      Reviewing
+      
+        Reviewing
+      
     </span>
   </a>
   
@@ -1560,7 +1812,9 @@
         <li class="md-nav__item">
   <a href="#contributing" class="md-nav__link">
     <span class="md-ellipsis">
-      Contributing
+      
+        Contributing
+      
     </span>
   </a>
   
@@ -1587,10 +1841,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1610,10 +1869,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1633,10 +1897,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1656,10 +1925,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1679,10 +1953,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1702,10 +1981,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1732,10 +2016,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1771,7 +2060,9 @@
         <li class="md-nav__item">
   <a href="#cloning" class="md-nav__link">
     <span class="md-ellipsis">
-      Cloning
+      
+        Cloning
+      
     </span>
   </a>
   
@@ -1781,7 +2072,9 @@
           <li class="md-nav__item">
   <a href="#customer-builds" class="md-nav__link">
     <span class="md-ellipsis">
-      Customer Builds
+      
+        Customer Builds
+      
     </span>
   </a>
   
@@ -1795,7 +2088,9 @@
         <li class="md-nav__item">
   <a href="#building" class="md-nav__link">
     <span class="md-ellipsis">
-      Building
+      
+        Building
+      
     </span>
   </a>
   
@@ -1805,7 +2100,9 @@
           <li class="md-nav__item">
   <a href="#test" class="md-nav__link">
     <span class="md-ellipsis">
-      Test
+      
+        Test
+      
     </span>
   </a>
   
@@ -1814,7 +2111,9 @@
           <li class="md-nav__item">
   <a href="#documentation" class="md-nav__link">
     <span class="md-ellipsis">
-      Documentation
+      
+        Documentation
+      
     </span>
   </a>
   
@@ -1828,7 +2127,9 @@
         <li class="md-nav__item">
   <a href="#development" class="md-nav__link">
     <span class="md-ellipsis">
-      Development
+      
+        Development
+      
     </span>
   </a>
   
@@ -1838,7 +2139,9 @@
           <li class="md-nav__item">
   <a href="#yang-model" class="md-nav__link">
     <span class="md-ellipsis">
-      YANG Model
+      
+        YANG Model
+      
     </span>
   </a>
   
@@ -1847,7 +2150,9 @@
           <li class="md-nav__item">
   <a href="#confd" class="md-nav__link">
     <span class="md-ellipsis">
-      confd
+      
+        confd
+      
     </span>
   </a>
   
@@ -1856,7 +2161,9 @@
           <li class="md-nav__item">
   <a href="#statd" class="md-nav__link">
     <span class="md-ellipsis">
-      statd
+      
+        statd
+      
     </span>
   </a>
   
@@ -1870,7 +2177,9 @@
         <li class="md-nav__item">
   <a href="#upgrading-packages" class="md-nav__link">
     <span class="md-ellipsis">
-      Upgrading Packages
+      
+        Upgrading Packages
+      
     </span>
   </a>
   
@@ -1880,7 +2189,9 @@
           <li class="md-nav__item">
   <a href="#buildroot" class="md-nav__link">
     <span class="md-ellipsis">
-      Buildroot
+      
+        Buildroot
+      
     </span>
   </a>
   
@@ -1890,7 +2201,9 @@
           <li class="md-nav__item">
   <a href="#repo-locally-cloned-already" class="md-nav__link">
     <span class="md-ellipsis">
-      Repo locally cloned already
+      
+        Repo locally cloned already
+      
     </span>
   </a>
   
@@ -1899,7 +2212,9 @@
           <li class="md-nav__item">
   <a href="#no-local-repo-yet" class="md-nav__link">
     <span class="md-ellipsis">
-      No local repo yet
+      
+        No local repo yet
+      
     </span>
   </a>
   
@@ -1908,7 +2223,9 @@
           <li class="md-nav__item">
   <a href="#continue-here" class="md-nav__link">
     <span class="md-ellipsis">
-      Continue Here
+      
+        Continue Here
+      
     </span>
   </a>
   
@@ -1922,7 +2239,9 @@
           <li class="md-nav__item">
   <a href="#linux-kernel" class="md-nav__link">
     <span class="md-ellipsis">
-      Linux kernel
+      
+        Linux kernel
+      
     </span>
   </a>
   
@@ -1932,7 +2251,9 @@
           <li class="md-nav__item">
   <a href="#repo-locally-cloned-already_1" class="md-nav__link">
     <span class="md-ellipsis">
-      Repo locally cloned already
+      
+        Repo locally cloned already
+      
     </span>
   </a>
   
@@ -1951,7 +2272,9 @@
         <li class="md-nav__item">
   <a href="#testing" class="md-nav__link">
     <span class="md-ellipsis">
-      Testing
+      
+        Testing
+      
     </span>
   </a>
   
@@ -1960,7 +2283,9 @@
         <li class="md-nav__item">
   <a href="#reviewing" class="md-nav__link">
     <span class="md-ellipsis">
-      Reviewing
+      
+        Reviewing
+      
     </span>
   </a>
   
@@ -1969,7 +2294,9 @@
         <li class="md-nav__item">
   <a href="#contributing" class="md-nav__link">
     <span class="md-ellipsis">
-      Contributing
+      
+        Contributing
+      
     </span>
   </a>
   
@@ -1985,6 +2312,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../branding/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Developer's Corner
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2422,10 +2798,11 @@ of local changes another company-specific branch can be used instead.&nbsp;<a cl
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/dhcp/index.html b/dev/dhcp/index.html
index 31f79cf9..ae0d74c7 100644
--- a/dev/dhcp/index.html
+++ b/dev/dhcp/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../boot/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -787,10 +887,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -798,7 +903,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -814,10 +923,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -846,10 +960,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -859,10 +978,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -884,7 +1008,9 @@
         <li class="md-nav__item">
   <a href="#basic-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Basic Configuration
+      
+        Basic Configuration
+      
     </span>
   </a>
   
@@ -893,7 +1019,9 @@
         <li class="md-nav__item">
   <a href="#static-host-assignment" class="md-nav__link">
     <span class="md-ellipsis">
-      Static Host Assignment
+      
+        Static Host Assignment
+      
     </span>
   </a>
   
@@ -902,7 +1030,9 @@
         <li class="md-nav__item">
   <a href="#custom-dhcp-options" class="md-nav__link">
     <span class="md-ellipsis">
-      Custom DHCP Options
+      
+        Custom DHCP Options
+      
     </span>
   </a>
   
@@ -911,7 +1041,9 @@
         <li class="md-nav__item">
   <a href="#multiple-subnets" class="md-nav__link">
     <span class="md-ellipsis">
-      Multiple Subnets
+      
+        Multiple Subnets
+      
     </span>
   </a>
   
@@ -920,7 +1052,9 @@
         <li class="md-nav__item">
   <a href="#monitoring" class="md-nav__link">
     <span class="md-ellipsis">
-      Monitoring
+      
+        Monitoring
+      
     </span>
   </a>
   
@@ -979,10 +1113,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -990,7 +1129,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1006,10 +1149,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1029,10 +1177,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1052,10 +1205,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1075,10 +1233,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1098,10 +1261,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1121,10 +1289,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1174,10 +1347,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1185,7 +1363,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1201,10 +1383,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1224,10 +1411,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1247,10 +1439,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1270,10 +1467,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1293,10 +1495,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1352,10 +1559,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1363,7 +1575,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1379,10 +1595,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1402,10 +1623,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1425,10 +1651,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1448,10 +1679,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1471,10 +1707,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1494,10 +1735,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1517,10 +1763,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1540,10 +1791,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1570,10 +1826,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1609,7 +1870,9 @@
         <li class="md-nav__item">
   <a href="#basic-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Basic Configuration
+      
+        Basic Configuration
+      
     </span>
   </a>
   
@@ -1618,7 +1881,9 @@
         <li class="md-nav__item">
   <a href="#static-host-assignment" class="md-nav__link">
     <span class="md-ellipsis">
-      Static Host Assignment
+      
+        Static Host Assignment
+      
     </span>
   </a>
   
@@ -1627,7 +1892,9 @@
         <li class="md-nav__item">
   <a href="#custom-dhcp-options" class="md-nav__link">
     <span class="md-ellipsis">
-      Custom DHCP Options
+      
+        Custom DHCP Options
+      
     </span>
   </a>
   
@@ -1636,7 +1903,9 @@
         <li class="md-nav__item">
   <a href="#multiple-subnets" class="md-nav__link">
     <span class="md-ellipsis">
-      Multiple Subnets
+      
+        Multiple Subnets
+      
     </span>
   </a>
   
@@ -1645,7 +1914,9 @@
         <li class="md-nav__item">
   <a href="#monitoring" class="md-nav__link">
     <span class="md-ellipsis">
-      Monitoring
+      
+        Monitoring
+      
     </span>
   </a>
   
@@ -1661,6 +1932,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../discovery/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Services
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1861,10 +2181,11 @@ as their DNS server address.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/discovery/index.html b/dev/discovery/index.html
index 9c009dec..15368145 100644
--- a/dev/discovery/index.html
+++ b/dev/discovery/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../dhcp/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -787,10 +887,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -798,7 +903,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -823,10 +932,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -836,10 +950,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -861,7 +980,9 @@
         <li class="md-nav__item">
   <a href="#lldp" class="md-nav__link">
     <span class="md-ellipsis">
-      LLDP
+      
+        LLDP
+      
     </span>
   </a>
   
@@ -871,7 +992,9 @@
           <li class="md-nav__item">
   <a href="#lldp-enabledisable" class="md-nav__link">
     <span class="md-ellipsis">
-      LLDP Enable/Disable
+      
+        LLDP Enable/Disable
+      
     </span>
   </a>
   
@@ -880,7 +1003,9 @@
           <li class="md-nav__item">
   <a href="#lldp-message-transmission-interval" class="md-nav__link">
     <span class="md-ellipsis">
-      LLDP Message Transmission Interval
+      
+        LLDP Message Transmission Interval
+      
     </span>
   </a>
   
@@ -889,7 +1014,9 @@
           <li class="md-nav__item">
   <a href="#lldp-administrative-status-per-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      LLDP Administrative Status per Interface
+      
+        LLDP Administrative Status per Interface
+      
     </span>
   </a>
   
@@ -898,7 +1025,9 @@
           <li class="md-nav__item">
   <a href="#displaying-lldp-neighbor-information" class="md-nav__link">
     <span class="md-ellipsis">
-      Displaying LLDP Neighbor Information
+      
+        Displaying LLDP Neighbor Information
+      
     </span>
   </a>
   
@@ -912,7 +1041,9 @@
         <li class="md-nav__item">
   <a href="#mdns-sd" class="md-nav__link">
     <span class="md-ellipsis">
-      mDNS-SD
+      
+        mDNS-SD
+      
     </span>
   </a>
   
@@ -922,7 +1053,9 @@
           <li class="md-nav__item">
   <a href="#human-friendly-hostname-alias" class="md-nav__link">
     <span class="md-ellipsis">
-      Human-Friendly Hostname Alias
+      
+        Human-Friendly Hostname Alias
+      
     </span>
   </a>
   
@@ -931,7 +1064,9 @@
           <li class="md-nav__item">
   <a href="#browse-network-using-networklocal" class="md-nav__link">
     <span class="md-ellipsis">
-      Browse Network Using network.local
+      
+        Browse Network Using network.local
+      
     </span>
   </a>
   
@@ -963,10 +1098,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1018,10 +1158,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1029,7 +1174,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1045,10 +1194,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1068,10 +1222,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1091,10 +1250,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1114,10 +1278,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1137,10 +1306,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1160,10 +1334,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1213,10 +1392,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1224,7 +1408,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1240,10 +1428,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1263,10 +1456,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1286,10 +1484,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1309,10 +1512,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1332,10 +1540,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1391,10 +1604,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1402,7 +1620,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1418,10 +1640,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1441,10 +1668,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1464,10 +1696,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1487,10 +1724,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1510,10 +1752,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1533,10 +1780,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1556,10 +1808,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1579,10 +1836,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1609,10 +1871,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1648,7 +1915,9 @@
         <li class="md-nav__item">
   <a href="#lldp" class="md-nav__link">
     <span class="md-ellipsis">
-      LLDP
+      
+        LLDP
+      
     </span>
   </a>
   
@@ -1658,7 +1927,9 @@
           <li class="md-nav__item">
   <a href="#lldp-enabledisable" class="md-nav__link">
     <span class="md-ellipsis">
-      LLDP Enable/Disable
+      
+        LLDP Enable/Disable
+      
     </span>
   </a>
   
@@ -1667,7 +1938,9 @@
           <li class="md-nav__item">
   <a href="#lldp-message-transmission-interval" class="md-nav__link">
     <span class="md-ellipsis">
-      LLDP Message Transmission Interval
+      
+        LLDP Message Transmission Interval
+      
     </span>
   </a>
   
@@ -1676,7 +1949,9 @@
           <li class="md-nav__item">
   <a href="#lldp-administrative-status-per-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      LLDP Administrative Status per Interface
+      
+        LLDP Administrative Status per Interface
+      
     </span>
   </a>
   
@@ -1685,7 +1960,9 @@
           <li class="md-nav__item">
   <a href="#displaying-lldp-neighbor-information" class="md-nav__link">
     <span class="md-ellipsis">
-      Displaying LLDP Neighbor Information
+      
+        Displaying LLDP Neighbor Information
+      
     </span>
   </a>
   
@@ -1699,7 +1976,9 @@
         <li class="md-nav__item">
   <a href="#mdns-sd" class="md-nav__link">
     <span class="md-ellipsis">
-      mDNS-SD
+      
+        mDNS-SD
+      
     </span>
   </a>
   
@@ -1709,7 +1988,9 @@
           <li class="md-nav__item">
   <a href="#human-friendly-hostname-alias" class="md-nav__link">
     <span class="md-ellipsis">
-      Human-Friendly Hostname Alias
+      
+        Human-Friendly Hostname Alias
+      
     </span>
   </a>
   
@@ -1718,7 +1999,9 @@
           <li class="md-nav__item">
   <a href="#browse-network-using-networklocal" class="md-nav__link">
     <span class="md-ellipsis">
-      Browse Network Using network.local
+      
+        Browse Network Using network.local
+      
     </span>
   </a>
   
@@ -1739,6 +2022,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="./" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Services
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2114,10 +2446,11 @@ tool for scanning for mDNS/DNS-SD services on the local network.&nbsp;<a class="
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/eth-counters/index.html b/dev/eth-counters/index.html
index 5fe74ae5..c3679eab 100644
--- a/dev/eth-counters/index.html
+++ b/dev/eth-counters/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../tunnels/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -598,10 +659,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -609,7 +675,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -625,10 +695,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -648,10 +723,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -671,10 +751,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -703,10 +788,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -727,10 +817,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -750,10 +845,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -797,10 +897,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -808,7 +913,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -824,10 +933,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -847,10 +961,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -902,10 +1021,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -913,7 +1037,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -929,10 +1057,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -952,10 +1085,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -975,10 +1113,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -998,10 +1141,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1021,10 +1169,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1044,10 +1197,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1097,10 +1255,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1108,7 +1271,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1124,10 +1291,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1147,10 +1319,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1170,10 +1347,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1193,10 +1375,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1216,10 +1403,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1275,10 +1467,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1286,7 +1483,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1302,10 +1503,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1325,10 +1531,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1348,10 +1559,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1371,10 +1587,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1394,10 +1615,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1417,10 +1643,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1440,10 +1671,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1463,10 +1699,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1493,10 +1734,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1531,6 +1777,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../networking/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Networking
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1653,10 +1948,11 @@
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/firewall/index.html b/dev/firewall/index.html
index 6c0e7d5b..d5f87f5b 100644
--- a/dev/firewall/index.html
+++ b/dev/firewall/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../qos/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -598,10 +659,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -609,7 +675,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -625,10 +695,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -657,10 +732,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -670,10 +750,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -695,7 +780,9 @@
         <li class="md-nav__item">
   <a href="#introduction" class="md-nav__link">
     <span class="md-ellipsis">
-      Introduction
+      
+        Introduction
+      
     </span>
   </a>
   
@@ -704,7 +791,9 @@
         <li class="md-nav__item">
   <a href="#visual-overview" class="md-nav__link">
     <span class="md-ellipsis">
-      Visual Overview
+      
+        Visual Overview
+      
     </span>
   </a>
   
@@ -713,7 +802,9 @@
         <li class="md-nav__item">
   <a href="#zones" class="md-nav__link">
     <span class="md-ellipsis">
-      Zones
+      
+        Zones
+      
     </span>
   </a>
   
@@ -723,7 +814,9 @@
           <li class="md-nav__item">
   <a href="#default-zone" class="md-nav__link">
     <span class="md-ellipsis">
-      Default Zone
+      
+        Default Zone
+      
     </span>
   </a>
   
@@ -732,7 +825,9 @@
           <li class="md-nav__item">
   <a href="#intra-zone-traffic" class="md-nav__link">
     <span class="md-ellipsis">
-      Intra-Zone Traffic
+      
+        Intra-Zone Traffic
+      
     </span>
   </a>
   
@@ -741,7 +836,9 @@
           <li class="md-nav__item">
   <a href="#port-forwarding" class="md-nav__link">
     <span class="md-ellipsis">
-      Port Forwarding
+      
+        Port Forwarding
+      
     </span>
   </a>
   
@@ -755,7 +852,9 @@
         <li class="md-nav__item">
   <a href="#policies" class="md-nav__link">
     <span class="md-ellipsis">
-      Policies
+      
+        Policies
+      
     </span>
   </a>
   
@@ -765,7 +864,9 @@
           <li class="md-nav__item">
   <a href="#symbolic-names" class="md-nav__link">
     <span class="md-ellipsis">
-      Symbolic Names
+      
+        Symbolic Names
+      
     </span>
   </a>
   
@@ -774,7 +875,9 @@
           <li class="md-nav__item">
   <a href="#custom-filters" class="md-nav__link">
     <span class="md-ellipsis">
-      Custom Filters
+      
+        Custom Filters
+      
     </span>
   </a>
   
@@ -783,7 +886,9 @@
           <li class="md-nav__item">
   <a href="#default-behavior" class="md-nav__link">
     <span class="md-ellipsis">
-      Default Behavior
+      
+        Default Behavior
+      
     </span>
   </a>
   
@@ -797,7 +902,9 @@
         <li class="md-nav__item">
   <a href="#services" class="md-nav__link">
     <span class="md-ellipsis">
-      Services
+      
+        Services
+      
     </span>
   </a>
   
@@ -806,7 +913,9 @@
         <li class="md-nav__item">
   <a href="#examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Examples
+      
+        Examples
+      
     </span>
   </a>
   
@@ -816,7 +925,9 @@
           <li class="md-nav__item">
   <a href="#end-device-protection" class="md-nav__link">
     <span class="md-ellipsis">
-      End Device Protection
+      
+        End Device Protection
+      
     </span>
   </a>
   
@@ -825,7 +936,9 @@
           <li class="md-nav__item">
   <a href="#homeoffice-router" class="md-nav__link">
     <span class="md-ellipsis">
-      Home/Office Router
+      
+        Home/Office Router
+      
     </span>
   </a>
   
@@ -834,7 +947,9 @@
           <li class="md-nav__item">
   <a href="#enterprise-gateway" class="md-nav__link">
     <span class="md-ellipsis">
-      Enterprise Gateway
+      
+        Enterprise Gateway
+      
     </span>
   </a>
   
@@ -848,7 +963,9 @@
         <li class="md-nav__item">
   <a href="#logging-and-monitoring" class="md-nav__link">
     <span class="md-ellipsis">
-      Logging and Monitoring
+      
+        Logging and Monitoring
+      
     </span>
   </a>
   
@@ -857,7 +974,9 @@
         <li class="md-nav__item">
   <a href="#netfilter-integration" class="md-nav__link">
     <span class="md-ellipsis">
-      Netfilter Integration
+      
+        Netfilter Integration
+      
     </span>
   </a>
   
@@ -867,7 +986,9 @@
           <li class="md-nav__item">
   <a href="#packet-flow" class="md-nav__link">
     <span class="md-ellipsis">
-      Packet Flow
+      
+        Packet Flow
+      
     </span>
   </a>
   
@@ -877,7 +998,9 @@
           <li class="md-nav__item">
   <a href="#prerouting-hook" class="md-nav__link">
     <span class="md-ellipsis">
-      PREROUTING Hook
+      
+        PREROUTING Hook
+      
     </span>
   </a>
   
@@ -886,7 +1009,9 @@
           <li class="md-nav__item">
   <a href="#input-hook" class="md-nav__link">
     <span class="md-ellipsis">
-      INPUT Hook
+      
+        INPUT Hook
+      
     </span>
   </a>
   
@@ -895,7 +1020,9 @@
           <li class="md-nav__item">
   <a href="#forward-hook" class="md-nav__link">
     <span class="md-ellipsis">
-      FORWARD Hook
+      
+        FORWARD Hook
+      
     </span>
   </a>
   
@@ -904,7 +1031,9 @@
           <li class="md-nav__item">
   <a href="#postrouting-hook" class="md-nav__link">
     <span class="md-ellipsis">
-      POSTROUTING Hook
+      
+        POSTROUTING Hook
+      
     </span>
   </a>
   
@@ -923,7 +1052,9 @@
         <li class="md-nav__item">
   <a href="#emergency-lockdown" class="md-nav__link">
     <span class="md-ellipsis">
-      Emergency Lockdown
+      
+        Emergency Lockdown
+      
     </span>
   </a>
   
@@ -950,10 +1081,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -973,10 +1109,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -996,10 +1137,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1019,10 +1165,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1066,10 +1217,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1077,7 +1233,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1093,10 +1253,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1116,10 +1281,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1171,10 +1341,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1182,7 +1357,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1198,10 +1377,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1221,10 +1405,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1244,10 +1433,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1267,10 +1461,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1290,10 +1489,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1313,10 +1517,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1366,10 +1575,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1377,7 +1591,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1393,10 +1611,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1416,10 +1639,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1439,10 +1667,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1462,10 +1695,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1485,10 +1723,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1544,10 +1787,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1555,7 +1803,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1571,10 +1823,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1594,10 +1851,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1617,10 +1879,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1640,10 +1907,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1663,10 +1935,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1686,10 +1963,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1709,10 +1991,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1732,10 +2019,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1762,10 +2054,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1801,7 +2098,9 @@
         <li class="md-nav__item">
   <a href="#introduction" class="md-nav__link">
     <span class="md-ellipsis">
-      Introduction
+      
+        Introduction
+      
     </span>
   </a>
   
@@ -1810,7 +2109,9 @@
         <li class="md-nav__item">
   <a href="#visual-overview" class="md-nav__link">
     <span class="md-ellipsis">
-      Visual Overview
+      
+        Visual Overview
+      
     </span>
   </a>
   
@@ -1819,7 +2120,9 @@
         <li class="md-nav__item">
   <a href="#zones" class="md-nav__link">
     <span class="md-ellipsis">
-      Zones
+      
+        Zones
+      
     </span>
   </a>
   
@@ -1829,7 +2132,9 @@
           <li class="md-nav__item">
   <a href="#default-zone" class="md-nav__link">
     <span class="md-ellipsis">
-      Default Zone
+      
+        Default Zone
+      
     </span>
   </a>
   
@@ -1838,7 +2143,9 @@
           <li class="md-nav__item">
   <a href="#intra-zone-traffic" class="md-nav__link">
     <span class="md-ellipsis">
-      Intra-Zone Traffic
+      
+        Intra-Zone Traffic
+      
     </span>
   </a>
   
@@ -1847,7 +2154,9 @@
           <li class="md-nav__item">
   <a href="#port-forwarding" class="md-nav__link">
     <span class="md-ellipsis">
-      Port Forwarding
+      
+        Port Forwarding
+      
     </span>
   </a>
   
@@ -1861,7 +2170,9 @@
         <li class="md-nav__item">
   <a href="#policies" class="md-nav__link">
     <span class="md-ellipsis">
-      Policies
+      
+        Policies
+      
     </span>
   </a>
   
@@ -1871,7 +2182,9 @@
           <li class="md-nav__item">
   <a href="#symbolic-names" class="md-nav__link">
     <span class="md-ellipsis">
-      Symbolic Names
+      
+        Symbolic Names
+      
     </span>
   </a>
   
@@ -1880,7 +2193,9 @@
           <li class="md-nav__item">
   <a href="#custom-filters" class="md-nav__link">
     <span class="md-ellipsis">
-      Custom Filters
+      
+        Custom Filters
+      
     </span>
   </a>
   
@@ -1889,7 +2204,9 @@
           <li class="md-nav__item">
   <a href="#default-behavior" class="md-nav__link">
     <span class="md-ellipsis">
-      Default Behavior
+      
+        Default Behavior
+      
     </span>
   </a>
   
@@ -1903,7 +2220,9 @@
         <li class="md-nav__item">
   <a href="#services" class="md-nav__link">
     <span class="md-ellipsis">
-      Services
+      
+        Services
+      
     </span>
   </a>
   
@@ -1912,7 +2231,9 @@
         <li class="md-nav__item">
   <a href="#examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Examples
+      
+        Examples
+      
     </span>
   </a>
   
@@ -1922,7 +2243,9 @@
           <li class="md-nav__item">
   <a href="#end-device-protection" class="md-nav__link">
     <span class="md-ellipsis">
-      End Device Protection
+      
+        End Device Protection
+      
     </span>
   </a>
   
@@ -1931,7 +2254,9 @@
           <li class="md-nav__item">
   <a href="#homeoffice-router" class="md-nav__link">
     <span class="md-ellipsis">
-      Home/Office Router
+      
+        Home/Office Router
+      
     </span>
   </a>
   
@@ -1940,7 +2265,9 @@
           <li class="md-nav__item">
   <a href="#enterprise-gateway" class="md-nav__link">
     <span class="md-ellipsis">
-      Enterprise Gateway
+      
+        Enterprise Gateway
+      
     </span>
   </a>
   
@@ -1954,7 +2281,9 @@
         <li class="md-nav__item">
   <a href="#logging-and-monitoring" class="md-nav__link">
     <span class="md-ellipsis">
-      Logging and Monitoring
+      
+        Logging and Monitoring
+      
     </span>
   </a>
   
@@ -1963,7 +2292,9 @@
         <li class="md-nav__item">
   <a href="#netfilter-integration" class="md-nav__link">
     <span class="md-ellipsis">
-      Netfilter Integration
+      
+        Netfilter Integration
+      
     </span>
   </a>
   
@@ -1973,7 +2304,9 @@
           <li class="md-nav__item">
   <a href="#packet-flow" class="md-nav__link">
     <span class="md-ellipsis">
-      Packet Flow
+      
+        Packet Flow
+      
     </span>
   </a>
   
@@ -1983,7 +2316,9 @@
           <li class="md-nav__item">
   <a href="#prerouting-hook" class="md-nav__link">
     <span class="md-ellipsis">
-      PREROUTING Hook
+      
+        PREROUTING Hook
+      
     </span>
   </a>
   
@@ -1992,7 +2327,9 @@
           <li class="md-nav__item">
   <a href="#input-hook" class="md-nav__link">
     <span class="md-ellipsis">
-      INPUT Hook
+      
+        INPUT Hook
+      
     </span>
   </a>
   
@@ -2001,7 +2338,9 @@
           <li class="md-nav__item">
   <a href="#forward-hook" class="md-nav__link">
     <span class="md-ellipsis">
-      FORWARD Hook
+      
+        FORWARD Hook
+      
     </span>
   </a>
   
@@ -2010,7 +2349,9 @@
           <li class="md-nav__item">
   <a href="#postrouting-hook" class="md-nav__link">
     <span class="md-ellipsis">
-      POSTROUTING Hook
+      
+        POSTROUTING Hook
+      
     </span>
   </a>
   
@@ -2029,7 +2370,9 @@
         <li class="md-nav__item">
   <a href="#emergency-lockdown" class="md-nav__link">
     <span class="md-ellipsis">
-      Emergency Lockdown
+      
+        Emergency Lockdown
+      
     </span>
   </a>
   
@@ -2045,6 +2388,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../networking/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Networking
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2540,10 +2932,11 @@ of network mysteries.&nbsp;<a class="footnote-backref" href="#fnref:1" title="Ju
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/hardware/index.html b/dev/hardware/index.html
index b37390da..af66a2ff 100644
--- a/dev/hardware/index.html
+++ b/dev/hardware/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../management/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -892,10 +1011,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -903,7 +1027,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -919,10 +1047,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -942,10 +1075,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -974,10 +1112,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -987,10 +1130,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1012,7 +1160,9 @@
         <li class="md-nav__item">
   <a href="#usb-ports" class="md-nav__link">
     <span class="md-ellipsis">
-      USB Ports
+      
+        USB Ports
+      
     </span>
   </a>
   
@@ -1022,7 +1172,9 @@
           <li class="md-nav__item">
   <a href="#current-status" class="md-nav__link">
     <span class="md-ellipsis">
-      Current status
+      
+        Current status
+      
     </span>
   </a>
   
@@ -1031,7 +1183,9 @@
           <li class="md-nav__item">
   <a href="#configure-usb-port" class="md-nav__link">
     <span class="md-ellipsis">
-      Configure USB port
+      
+        Configure USB port
+      
     </span>
   </a>
   
@@ -1040,7 +1194,9 @@
           <li class="md-nav__item">
   <a href="#using-a-usb-stick" class="md-nav__link">
     <span class="md-ellipsis">
-      Using a USB Stick
+      
+        Using a USB Stick
+      
     </span>
   </a>
   
@@ -1072,10 +1228,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1095,10 +1256,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1118,10 +1284,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1171,10 +1342,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1182,7 +1358,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1198,10 +1378,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1221,10 +1406,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1244,10 +1434,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1267,10 +1462,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1290,10 +1490,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1349,10 +1554,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1360,7 +1570,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1376,10 +1590,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1399,10 +1618,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1422,10 +1646,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1445,10 +1674,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1468,10 +1702,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1491,10 +1730,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1514,10 +1758,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1537,10 +1786,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1567,10 +1821,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1606,7 +1865,9 @@
         <li class="md-nav__item">
   <a href="#usb-ports" class="md-nav__link">
     <span class="md-ellipsis">
-      USB Ports
+      
+        USB Ports
+      
     </span>
   </a>
   
@@ -1616,7 +1877,9 @@
           <li class="md-nav__item">
   <a href="#current-status" class="md-nav__link">
     <span class="md-ellipsis">
-      Current status
+      
+        Current status
+      
     </span>
   </a>
   
@@ -1625,7 +1888,9 @@
           <li class="md-nav__item">
   <a href="#configure-usb-port" class="md-nav__link">
     <span class="md-ellipsis">
-      Configure USB port
+      
+        Configure USB port
+      
     </span>
   </a>
   
@@ -1634,7 +1899,9 @@
           <li class="md-nav__item">
   <a href="#using-a-usb-stick" class="md-nav__link">
     <span class="md-ellipsis">
-      Using a USB Stick
+      
+        Using a USB Stick
+      
     </span>
   </a>
   
@@ -1655,6 +1922,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../boot/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    System
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1775,10 +2091,11 @@ cached data to disk before returning the prompt:</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/index.html b/dev/index.html
index 7b5582c9..169279f8 100644
--- a/dev/index.html
+++ b/dev/index.html
@@ -14,8 +14,11 @@
         <link rel="next" href="cli/introduction/">
       
       
+        
+      
+      
       <link rel="icon" href="assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -23,10 +26,10 @@
       
     
     
-      <link rel="stylesheet" href="assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -53,7 +56,6 @@
 
     
     
-    
   <link href="assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -287,10 +289,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -300,10 +307,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -325,7 +337,9 @@
         <li class="md-nav__item">
   <a href="#command-line-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      Command Line Interface
+      
+        Command Line Interface
+      
     </span>
   </a>
   
@@ -334,7 +348,9 @@
         <li class="md-nav__item">
   <a href="#key-concepts" class="md-nav__link">
     <span class="md-ellipsis">
-      Key Concepts
+      
+        Key Concepts
+      
     </span>
   </a>
   
@@ -343,7 +359,9 @@
         <li class="md-nav__item">
   <a href="#datastores" class="md-nav__link">
     <span class="md-ellipsis">
-      Datastores
+      
+        Datastores
+      
     </span>
   </a>
   
@@ -398,10 +416,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -409,7 +432,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -425,10 +452,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -448,10 +480,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -471,10 +508,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -494,10 +536,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -517,10 +564,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -540,10 +592,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -563,10 +620,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -586,10 +648,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -616,10 +683,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -663,10 +735,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -674,7 +751,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -690,10 +771,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -713,10 +799,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -736,10 +827,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -759,10 +855,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -782,10 +883,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -805,10 +911,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -852,10 +963,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -863,7 +979,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -879,10 +999,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -902,10 +1027,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -957,10 +1087,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -968,7 +1103,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -984,10 +1123,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1007,10 +1151,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1030,10 +1179,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1053,10 +1207,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1076,10 +1235,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1099,10 +1263,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1152,10 +1321,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1163,7 +1337,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1179,10 +1357,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1202,10 +1385,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1225,10 +1413,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1248,10 +1441,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1271,10 +1469,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1330,10 +1533,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1341,7 +1549,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1357,10 +1569,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1380,10 +1597,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1403,10 +1625,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1426,10 +1653,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1449,10 +1681,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1472,10 +1709,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1495,10 +1737,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1518,10 +1765,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1548,10 +1800,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1587,7 +1844,9 @@
         <li class="md-nav__item">
   <a href="#command-line-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      Command Line Interface
+      
+        Command Line Interface
+      
     </span>
   </a>
   
@@ -1596,7 +1855,9 @@
         <li class="md-nav__item">
   <a href="#key-concepts" class="md-nav__link">
     <span class="md-ellipsis">
-      Key Concepts
+      
+        Key Concepts
+      
     </span>
   </a>
   
@@ -1605,7 +1866,9 @@
         <li class="md-nav__item">
   <a href="#datastores" class="md-nav__link">
     <span class="md-ellipsis">
-      Datastores
+      
+        Datastores
+      
     </span>
   </a>
   
@@ -1621,6 +1884,15 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1758,10 +2030,11 @@ ones -- this may even protect against some of the failure modes below.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": ".", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": ".", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/license/index.html b/dev/license/index.html
index 822d4677..1208ec3b 100644
--- a/dev/license/index.html
+++ b/dev/license/index.html
@@ -14,8 +14,11 @@
       
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -23,10 +26,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -53,7 +56,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -278,10 +280,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -329,10 +336,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -340,7 +352,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -356,10 +372,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -379,10 +400,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -402,10 +428,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -425,10 +456,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -448,10 +484,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -471,10 +512,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -494,10 +540,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -517,10 +568,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -547,10 +603,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -594,10 +655,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -605,7 +671,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -621,10 +691,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -644,10 +719,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -667,10 +747,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -690,10 +775,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -713,10 +803,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -736,10 +831,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -783,10 +883,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -794,7 +899,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -810,10 +919,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -833,10 +947,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -888,10 +1007,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -899,7 +1023,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -915,10 +1043,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -938,10 +1071,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -961,10 +1099,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -984,10 +1127,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1007,10 +1155,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1030,10 +1183,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1083,10 +1241,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1094,7 +1257,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1110,10 +1277,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1133,10 +1305,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1156,10 +1333,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1179,10 +1361,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1202,10 +1389,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1261,10 +1453,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1272,7 +1469,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1288,10 +1489,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1311,10 +1517,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1334,10 +1545,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1357,10 +1573,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1380,10 +1601,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1403,10 +1629,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1426,10 +1657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1449,10 +1685,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1488,10 +1729,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1527,6 +1773,15 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1614,10 +1869,11 @@ said software is linking dynamically, <a href="https://lwn.net/Articles/117972/"
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/management/index.html b/dev/management/index.html
index 5da8ccb8..ebf117b9 100644
--- a/dev/management/index.html
+++ b/dev/management/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../syslog/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -892,10 +1011,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -903,7 +1027,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -919,10 +1047,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -942,10 +1075,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -965,10 +1103,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -997,10 +1140,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1010,10 +1158,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1035,7 +1188,9 @@
         <li class="md-nav__item">
   <a href="#ssh-management" class="md-nav__link">
     <span class="md-ellipsis">
-      SSH Management
+      
+        SSH Management
+      
     </span>
   </a>
   
@@ -1045,7 +1200,9 @@
           <li class="md-nav__item">
   <a href="#use-your-own-ssh-hostkeys" class="md-nav__link">
     <span class="md-ellipsis">
-      Use your own SSH hostkeys
+      
+        Use your own SSH hostkeys
+      
     </span>
   </a>
   
@@ -1059,7 +1216,9 @@
         <li class="md-nav__item">
   <a href="#console-port" class="md-nav__link">
     <span class="md-ellipsis">
-      Console Port
+      
+        Console Port
+      
     </span>
   </a>
   
@@ -1068,7 +1227,9 @@
         <li class="md-nav__item">
   <a href="#web-web-console-and-restconf" class="md-nav__link">
     <span class="md-ellipsis">
-      Web, Web-console and RESTCONF
+      
+        Web, Web-console and RESTCONF
+      
     </span>
   </a>
   
@@ -1078,7 +1239,9 @@
           <li class="md-nav__item">
   <a href="#enabledisable-web-service-and-server" class="md-nav__link">
     <span class="md-ellipsis">
-      Enable/disable Web Service and Server
+      
+        Enable/disable Web Service and Server
+      
     </span>
   </a>
   
@@ -1087,7 +1250,9 @@
           <li class="md-nav__item">
   <a href="#enabledisable-web-console" class="md-nav__link">
     <span class="md-ellipsis">
-      Enable/disable Web Console
+      
+        Enable/disable Web Console
+      
     </span>
   </a>
   
@@ -1096,7 +1261,9 @@
           <li class="md-nav__item">
   <a href="#enabledisable-restconf-service" class="md-nav__link">
     <span class="md-ellipsis">
-      Enable/disable RESTCONF Service
+      
+        Enable/disable RESTCONF Service
+      
     </span>
   </a>
   
@@ -1110,7 +1277,9 @@
         <li class="md-nav__item">
   <a href="#system-upgrade" class="md-nav__link">
     <span class="md-ellipsis">
-      System Upgrade
+      
+        System Upgrade
+      
     </span>
   </a>
   
@@ -1137,10 +1306,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1160,10 +1334,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1213,10 +1392,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1224,7 +1408,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1240,10 +1428,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1263,10 +1456,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1286,10 +1484,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1309,10 +1512,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1332,10 +1540,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1391,10 +1604,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1402,7 +1620,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1418,10 +1640,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1441,10 +1668,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1464,10 +1696,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1487,10 +1724,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1510,10 +1752,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1533,10 +1780,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1556,10 +1808,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1579,10 +1836,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1609,10 +1871,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1648,7 +1915,9 @@
         <li class="md-nav__item">
   <a href="#ssh-management" class="md-nav__link">
     <span class="md-ellipsis">
-      SSH Management
+      
+        SSH Management
+      
     </span>
   </a>
   
@@ -1658,7 +1927,9 @@
           <li class="md-nav__item">
   <a href="#use-your-own-ssh-hostkeys" class="md-nav__link">
     <span class="md-ellipsis">
-      Use your own SSH hostkeys
+      
+        Use your own SSH hostkeys
+      
     </span>
   </a>
   
@@ -1672,7 +1943,9 @@
         <li class="md-nav__item">
   <a href="#console-port" class="md-nav__link">
     <span class="md-ellipsis">
-      Console Port
+      
+        Console Port
+      
     </span>
   </a>
   
@@ -1681,7 +1954,9 @@
         <li class="md-nav__item">
   <a href="#web-web-console-and-restconf" class="md-nav__link">
     <span class="md-ellipsis">
-      Web, Web-console and RESTCONF
+      
+        Web, Web-console and RESTCONF
+      
     </span>
   </a>
   
@@ -1691,7 +1966,9 @@
           <li class="md-nav__item">
   <a href="#enabledisable-web-service-and-server" class="md-nav__link">
     <span class="md-ellipsis">
-      Enable/disable Web Service and Server
+      
+        Enable/disable Web Service and Server
+      
     </span>
   </a>
   
@@ -1700,7 +1977,9 @@
           <li class="md-nav__item">
   <a href="#enabledisable-web-console" class="md-nav__link">
     <span class="md-ellipsis">
-      Enable/disable Web Console
+      
+        Enable/disable Web Console
+      
     </span>
   </a>
   
@@ -1709,7 +1988,9 @@
           <li class="md-nav__item">
   <a href="#enabledisable-restconf-service" class="md-nav__link">
     <span class="md-ellipsis">
-      Enable/disable RESTCONF Service
+      
+        Enable/disable RESTCONF Service
+      
     </span>
   </a>
   
@@ -1723,7 +2004,9 @@
         <li class="md-nav__item">
   <a href="#system-upgrade" class="md-nav__link">
     <span class="md-ellipsis">
-      System Upgrade
+      
+        System Upgrade
+      
     </span>
   </a>
   
@@ -1739,6 +2022,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../boot/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    System
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1949,10 +2281,11 @@ shows how to disable the RESTCONF service.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/netboot/index.html b/dev/netboot/index.html
index ba0d0bd2..9c60f520 100644
--- a/dev/netboot/index.html
+++ b/dev/netboot/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../testing/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
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             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
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-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1085,10 +1243,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1096,7 +1259,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1112,10 +1279,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1135,10 +1307,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1158,10 +1335,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1181,10 +1363,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1204,10 +1391,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1265,10 +1457,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1276,7 +1473,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1292,10 +1493,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1315,10 +1521,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1338,10 +1549,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1370,10 +1586,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1383,10 +1604,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1408,7 +1634,9 @@
         <li class="md-nav__item">
   <a href="#network-interface-setup" class="md-nav__link">
     <span class="md-ellipsis">
-      Network Interface Setup
+      
+        Network Interface Setup
+      
     </span>
   </a>
   
@@ -1417,7 +1645,9 @@
         <li class="md-nav__item">
   <a href="#dhcptftp-server-setup" class="md-nav__link">
     <span class="md-ellipsis">
-      DHCP/TFTP Server Setup
+      
+        DHCP/TFTP Server Setup
+      
     </span>
   </a>
   
@@ -1426,7 +1656,9 @@
         <li class="md-nav__item">
   <a href="#bootfile-netbootscr" class="md-nav__link">
     <span class="md-ellipsis">
-      Bootfile netboot.scr
+      
+        Bootfile netboot.scr
+      
     </span>
   </a>
   
@@ -1435,7 +1667,9 @@
         <li class="md-nav__item">
   <a href="#u-boot-commands" class="md-nav__link">
     <span class="md-ellipsis">
-      U-Boot Commands
+      
+        U-Boot Commands
+      
     </span>
   </a>
   
@@ -1462,10 +1696,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1485,10 +1724,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1508,10 +1752,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1531,10 +1780,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1561,10 +1815,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1600,7 +1859,9 @@
         <li class="md-nav__item">
   <a href="#network-interface-setup" class="md-nav__link">
     <span class="md-ellipsis">
-      Network Interface Setup
+      
+        Network Interface Setup
+      
     </span>
   </a>
   
@@ -1609,7 +1870,9 @@
         <li class="md-nav__item">
   <a href="#dhcptftp-server-setup" class="md-nav__link">
     <span class="md-ellipsis">
-      DHCP/TFTP Server Setup
+      
+        DHCP/TFTP Server Setup
+      
     </span>
   </a>
   
@@ -1618,7 +1881,9 @@
         <li class="md-nav__item">
   <a href="#bootfile-netbootscr" class="md-nav__link">
     <span class="md-ellipsis">
-      Bootfile netboot.scr
+      
+        Bootfile netboot.scr
+      
     </span>
   </a>
   
@@ -1627,7 +1892,9 @@
         <li class="md-nav__item">
   <a href="#u-boot-commands" class="md-nav__link">
     <span class="md-ellipsis">
-      U-Boot Commands
+      
+        U-Boot Commands
+      
     </span>
   </a>
   
@@ -1643,6 +1910,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../branding/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Developer's Corner
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1805,10 +2121,11 @@ later.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/networking/index.html b/dev/networking/index.html
index 7a109ae7..bd103500 100644
--- a/dev/networking/index.html
+++ b/dev/networking/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../firewall/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -598,10 +659,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -609,7 +675,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -634,10 +704,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -647,10 +722,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -672,7 +752,9 @@
         <li class="md-nav__item">
   <a href="#interface-lego" class="md-nav__link">
     <span class="md-ellipsis">
-      Interface LEGO®
+      
+        Interface LEGO®
+      
     </span>
   </a>
   
@@ -681,7 +763,9 @@
         <li class="md-nav__item">
   <a href="#data-plane" class="md-nav__link">
     <span class="md-ellipsis">
-      Data Plane
+      
+        Data Plane
+      
     </span>
   </a>
   
@@ -691,7 +775,9 @@
           <li class="md-nav__item">
   <a href="#general" class="md-nav__link">
     <span class="md-ellipsis">
-      General
+      
+        General
+      
     </span>
   </a>
   
@@ -701,7 +787,9 @@
           <li class="md-nav__item">
   <a href="#fixed-custom-mac" class="md-nav__link">
     <span class="md-ellipsis">
-      Fixed custom MAC
+      
+        Fixed custom MAC
+      
     </span>
   </a>
   
@@ -710,7 +798,9 @@
           <li class="md-nav__item">
   <a href="#chassis-mac" class="md-nav__link">
     <span class="md-ellipsis">
-      Chassis MAC
+      
+        Chassis MAC
+      
     </span>
   </a>
   
@@ -719,7 +809,9 @@
           <li class="md-nav__item">
   <a href="#chassis-mac-with-offset" class="md-nav__link">
     <span class="md-ellipsis">
-      Chassis MAC, with offset
+      
+        Chassis MAC, with offset
+      
     </span>
   </a>
   
@@ -733,7 +825,9 @@
           <li class="md-nav__item">
   <a href="#bridging" class="md-nav__link">
     <span class="md-ellipsis">
-      Bridging
+      
+        Bridging
+      
     </span>
   </a>
   
@@ -743,7 +837,9 @@
           <li class="md-nav__item">
   <a href="#mac-bridge" class="md-nav__link">
     <span class="md-ellipsis">
-      MAC Bridge
+      
+        MAC Bridge
+      
     </span>
   </a>
   
@@ -752,7 +848,9 @@
           <li class="md-nav__item">
   <a href="#vlan-filtering-bridge" class="md-nav__link">
     <span class="md-ellipsis">
-      VLAN Filtering Bridge
+      
+        VLAN Filtering Bridge
+      
     </span>
   </a>
   
@@ -761,7 +859,9 @@
           <li class="md-nav__item">
   <a href="#multicast-filtering-and-snooping" class="md-nav__link">
     <span class="md-ellipsis">
-      Multicast Filtering and Snooping
+      
+        Multicast Filtering and Snooping
+      
     </span>
   </a>
   
@@ -771,7 +871,9 @@
           <li class="md-nav__item">
   <a href="#terminology-abbreviations" class="md-nav__link">
     <span class="md-ellipsis">
-      Terminology &amp; Abbreviations
+      
+        Terminology &amp; Abbreviations
+      
     </span>
   </a>
   
@@ -785,7 +887,9 @@
           <li class="md-nav__item">
   <a href="#forwarding-of-ieee-reserved-group-addresses" class="md-nav__link">
     <span class="md-ellipsis">
-      Forwarding of IEEE Reserved Group Addresses
+      
+        Forwarding of IEEE Reserved Group Addresses
+      
     </span>
   </a>
   
@@ -799,7 +903,9 @@
           <li class="md-nav__item">
   <a href="#link-aggregation" class="md-nav__link">
     <span class="md-ellipsis">
-      Link Aggregation
+      
+        Link Aggregation
+      
     </span>
   </a>
   
@@ -809,7 +915,9 @@
           <li class="md-nav__item">
   <a href="#basic-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Basic Configuration
+      
+        Basic Configuration
+      
     </span>
   </a>
   
@@ -818,7 +926,9 @@
           <li class="md-nav__item">
   <a href="#lacp-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      LACP Configuration
+      
+        LACP Configuration
+      
     </span>
   </a>
   
@@ -827,7 +937,9 @@
           <li class="md-nav__item">
   <a href="#link-flapping" class="md-nav__link">
     <span class="md-ellipsis">
-      Link Flapping
+      
+        Link Flapping
+      
     </span>
   </a>
   
@@ -836,7 +948,9 @@
           <li class="md-nav__item">
   <a href="#operational-status-overview" class="md-nav__link">
     <span class="md-ellipsis">
-      Operational Status, Overview
+      
+        Operational Status, Overview
+      
     </span>
   </a>
   
@@ -845,7 +959,9 @@
           <li class="md-nav__item">
   <a href="#operational-status-detail" class="md-nav__link">
     <span class="md-ellipsis">
-      Operational Status, Detail
+      
+        Operational Status, Detail
+      
     </span>
   </a>
   
@@ -854,7 +970,9 @@
           <li class="md-nav__item">
   <a href="#example-switch-uplink-with-lacp" class="md-nav__link">
     <span class="md-ellipsis">
-      Example: Switch Uplink with LACP
+      
+        Example: Switch Uplink with LACP
+      
     </span>
   </a>
   
@@ -868,7 +986,9 @@
           <li class="md-nav__item">
   <a href="#vlan-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      VLAN Interfaces
+      
+        VLAN Interfaces
+      
     </span>
   </a>
   
@@ -877,7 +997,9 @@
           <li class="md-nav__item">
   <a href="#physical-ethernet-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      Physical Ethernet Interfaces
+      
+        Physical Ethernet Interfaces
+      
     </span>
   </a>
   
@@ -887,7 +1009,9 @@
           <li class="md-nav__item">
   <a href="#ethernet-settings-and-status" class="md-nav__link">
     <span class="md-ellipsis">
-      Ethernet Settings and Status
+      
+        Ethernet Settings and Status
+      
     </span>
   </a>
   
@@ -896,7 +1020,9 @@
           <li class="md-nav__item">
   <a href="#configuring-fixed-speed-and-duplex" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuring fixed speed and duplex
+      
+        Configuring fixed speed and duplex
+      
     </span>
   </a>
   
@@ -905,7 +1031,9 @@
           <li class="md-nav__item">
   <a href="#ethernet-statistics" class="md-nav__link">
     <span class="md-ellipsis">
-      Ethernet statistics
+      
+        Ethernet statistics
+      
     </span>
   </a>
   
@@ -919,7 +1047,9 @@
           <li class="md-nav__item">
   <a href="#veth-pairs" class="md-nav__link">
     <span class="md-ellipsis">
-      VETH Pairs
+      
+        VETH Pairs
+      
     </span>
   </a>
   
@@ -933,7 +1063,9 @@
         <li class="md-nav__item">
   <a href="#management-plane" class="md-nav__link">
     <span class="md-ellipsis">
-      Management Plane
+      
+        Management Plane
+      
     </span>
   </a>
   
@@ -943,7 +1075,9 @@
           <li class="md-nav__item">
   <a href="#ipv4-address-assignment" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv4 Address Assignment
+      
+        IPv4 Address Assignment
+      
     </span>
   </a>
   
@@ -952,7 +1086,9 @@
           <li class="md-nav__item">
   <a href="#ipv6-address-assignment" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv6 Address Assignment
+      
+        IPv6 Address Assignment
+      
     </span>
   </a>
   
@@ -961,7 +1097,9 @@
           <li class="md-nav__item">
   <a href="#examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Examples
+      
+        Examples
+      
     </span>
   </a>
   
@@ -971,7 +1109,9 @@
           <li class="md-nav__item">
   <a href="#static-and-link-local-ipv4-addresses" class="md-nav__link">
     <span class="md-ellipsis">
-      Static and link-local IPv4 addresses
+      
+        Static and link-local IPv4 addresses
+      
     </span>
   </a>
   
@@ -980,7 +1120,9 @@
           <li class="md-nav__item">
   <a href="#use-of-dhcp-for-ipv4-address-assignment" class="md-nav__link">
     <span class="md-ellipsis">
-      Use of DHCP for IPv4 address assignment
+      
+        Use of DHCP for IPv4 address assignment
+      
     </span>
   </a>
   
@@ -989,7 +1131,9 @@
           <li class="md-nav__item">
   <a href="#disabling-ipv6-link-local-addresses" class="md-nav__link">
     <span class="md-ellipsis">
-      Disabling IPv6 link-local address(es)
+      
+        Disabling IPv6 link-local address(es)
+      
     </span>
   </a>
   
@@ -998,7 +1142,9 @@
           <li class="md-nav__item">
   <a href="#static-ipv6-address" class="md-nav__link">
     <span class="md-ellipsis">
-      Static IPv6 address
+      
+        Static IPv6 address
+      
     </span>
   </a>
   
@@ -1007,7 +1153,9 @@
           <li class="md-nav__item">
   <a href="#stateless-auto-configuration-of-global-ipv6-address" class="md-nav__link">
     <span class="md-ellipsis">
-      Stateless Auto-configuration of Global IPv6 Address
+      
+        Stateless Auto-configuration of Global IPv6 Address
+      
     </span>
   </a>
   
@@ -1016,7 +1164,9 @@
           <li class="md-nav__item">
   <a href="#random-link-identifiers-for-ipv6-stateless-autoconfiguration" class="md-nav__link">
     <span class="md-ellipsis">
-      Random Link Identifiers for IPv6 Stateless Autoconfiguration
+      
+        Random Link Identifiers for IPv6 Stateless Autoconfiguration
+      
     </span>
   </a>
   
@@ -1030,7 +1180,9 @@
           <li class="md-nav__item">
   <a href="#ipv4-forwarding" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv4 forwarding
+      
+        IPv4 forwarding
+      
     </span>
   </a>
   
@@ -1039,7 +1191,9 @@
           <li class="md-nav__item">
   <a href="#ipv6-forwarding" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv6 forwarding
+      
+        IPv6 forwarding
+      
     </span>
   </a>
   
@@ -1053,7 +1207,9 @@
         <li class="md-nav__item">
   <a href="#routing-support" class="md-nav__link">
     <span class="md-ellipsis">
-      Routing support
+      
+        Routing support
+      
     </span>
   </a>
   
@@ -1063,7 +1219,9 @@
           <li class="md-nav__item">
   <a href="#ipv4-static-routes" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv4 Static routes
+      
+        IPv4 Static routes
+      
     </span>
   </a>
   
@@ -1072,7 +1230,9 @@
           <li class="md-nav__item">
   <a href="#ipv6-static-routes" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv6 Static routes
+      
+        IPv6 Static routes
+      
     </span>
   </a>
   
@@ -1081,7 +1241,9 @@
           <li class="md-nav__item">
   <a href="#ospfv2-routing" class="md-nav__link">
     <span class="md-ellipsis">
-      OSPFv2 Routing
+      
+        OSPFv2 Routing
+      
     </span>
   </a>
   
@@ -1091,7 +1253,9 @@
           <li class="md-nav__item">
   <a href="#ospf-area-types" class="md-nav__link">
     <span class="md-ellipsis">
-      OSPF area types
+      
+        OSPF area types
+      
     </span>
   </a>
   
@@ -1100,7 +1264,9 @@
           <li class="md-nav__item">
   <a href="#bidirectional-forwarding-detection-bfd" class="md-nav__link">
     <span class="md-ellipsis">
-      Bidirectional Forwarding Detection (BFD)
+      
+        Bidirectional Forwarding Detection (BFD)
+      
     </span>
   </a>
   
@@ -1109,7 +1275,9 @@
           <li class="md-nav__item">
   <a href="#ospf-interface-settings" class="md-nav__link">
     <span class="md-ellipsis">
-      OSPF interface settings
+      
+        OSPF interface settings
+      
     </span>
   </a>
   
@@ -1118,7 +1286,9 @@
           <li class="md-nav__item">
   <a href="#ospf-global-settings" class="md-nav__link">
     <span class="md-ellipsis">
-      OSPF global settings
+      
+        OSPF global settings
+      
     </span>
   </a>
   
@@ -1127,7 +1297,9 @@
           <li class="md-nav__item">
   <a href="#debug-ospfv2" class="md-nav__link">
     <span class="md-ellipsis">
-      Debug OSPFv2
+      
+        Debug OSPFv2
+      
     </span>
   </a>
   
@@ -1141,7 +1313,9 @@
           <li class="md-nav__item">
   <a href="#view-routing-table" class="md-nav__link">
     <span class="md-ellipsis">
-      View routing table
+      
+        View routing table
+      
     </span>
   </a>
   
@@ -1151,7 +1325,9 @@
           <li class="md-nav__item">
   <a href="#ipv4-routing-table" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv4 routing table
+      
+        IPv4 routing table
+      
     </span>
   </a>
   
@@ -1160,7 +1336,9 @@
           <li class="md-nav__item">
   <a href="#ipv6-routing-table" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv6 routing table
+      
+        IPv6 routing table
+      
     </span>
   </a>
   
@@ -1169,7 +1347,9 @@
           <li class="md-nav__item">
   <a href="#route-preference" class="md-nav__link">
     <span class="md-ellipsis">
-      Route Preference
+      
+        Route Preference
+      
     </span>
   </a>
   
@@ -1178,7 +1358,9 @@
           <li class="md-nav__item">
   <a href="#source-protocol" class="md-nav__link">
     <span class="md-ellipsis">
-      Source protocol
+      
+        Source protocol
+      
     </span>
   </a>
   
@@ -1215,10 +1397,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1238,10 +1425,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1261,10 +1453,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1284,10 +1481,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1307,10 +1509,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1354,10 +1561,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1365,7 +1577,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1381,10 +1597,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1404,10 +1625,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1459,10 +1685,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1470,7 +1701,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1486,10 +1721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1509,10 +1749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1532,10 +1777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1555,10 +1805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1578,10 +1833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1601,10 +1861,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1654,10 +1919,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1665,7 +1935,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1681,10 +1955,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1704,10 +1983,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1727,10 +2011,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1750,10 +2039,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1773,10 +2067,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1832,10 +2131,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1843,7 +2147,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1859,10 +2167,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1882,10 +2195,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1905,10 +2223,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1928,10 +2251,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1951,10 +2279,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1974,10 +2307,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1997,10 +2335,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -2020,10 +2363,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -2050,10 +2398,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -2089,7 +2442,9 @@
         <li class="md-nav__item">
   <a href="#interface-lego" class="md-nav__link">
     <span class="md-ellipsis">
-      Interface LEGO®
+      
+        Interface LEGO®
+      
     </span>
   </a>
   
@@ -2098,7 +2453,9 @@
         <li class="md-nav__item">
   <a href="#data-plane" class="md-nav__link">
     <span class="md-ellipsis">
-      Data Plane
+      
+        Data Plane
+      
     </span>
   </a>
   
@@ -2108,7 +2465,9 @@
           <li class="md-nav__item">
   <a href="#general" class="md-nav__link">
     <span class="md-ellipsis">
-      General
+      
+        General
+      
     </span>
   </a>
   
@@ -2118,7 +2477,9 @@
           <li class="md-nav__item">
   <a href="#fixed-custom-mac" class="md-nav__link">
     <span class="md-ellipsis">
-      Fixed custom MAC
+      
+        Fixed custom MAC
+      
     </span>
   </a>
   
@@ -2127,7 +2488,9 @@
           <li class="md-nav__item">
   <a href="#chassis-mac" class="md-nav__link">
     <span class="md-ellipsis">
-      Chassis MAC
+      
+        Chassis MAC
+      
     </span>
   </a>
   
@@ -2136,7 +2499,9 @@
           <li class="md-nav__item">
   <a href="#chassis-mac-with-offset" class="md-nav__link">
     <span class="md-ellipsis">
-      Chassis MAC, with offset
+      
+        Chassis MAC, with offset
+      
     </span>
   </a>
   
@@ -2150,7 +2515,9 @@
           <li class="md-nav__item">
   <a href="#bridging" class="md-nav__link">
     <span class="md-ellipsis">
-      Bridging
+      
+        Bridging
+      
     </span>
   </a>
   
@@ -2160,7 +2527,9 @@
           <li class="md-nav__item">
   <a href="#mac-bridge" class="md-nav__link">
     <span class="md-ellipsis">
-      MAC Bridge
+      
+        MAC Bridge
+      
     </span>
   </a>
   
@@ -2169,7 +2538,9 @@
           <li class="md-nav__item">
   <a href="#vlan-filtering-bridge" class="md-nav__link">
     <span class="md-ellipsis">
-      VLAN Filtering Bridge
+      
+        VLAN Filtering Bridge
+      
     </span>
   </a>
   
@@ -2178,7 +2549,9 @@
           <li class="md-nav__item">
   <a href="#multicast-filtering-and-snooping" class="md-nav__link">
     <span class="md-ellipsis">
-      Multicast Filtering and Snooping
+      
+        Multicast Filtering and Snooping
+      
     </span>
   </a>
   
@@ -2188,7 +2561,9 @@
           <li class="md-nav__item">
   <a href="#terminology-abbreviations" class="md-nav__link">
     <span class="md-ellipsis">
-      Terminology &amp; Abbreviations
+      
+        Terminology &amp; Abbreviations
+      
     </span>
   </a>
   
@@ -2202,7 +2577,9 @@
           <li class="md-nav__item">
   <a href="#forwarding-of-ieee-reserved-group-addresses" class="md-nav__link">
     <span class="md-ellipsis">
-      Forwarding of IEEE Reserved Group Addresses
+      
+        Forwarding of IEEE Reserved Group Addresses
+      
     </span>
   </a>
   
@@ -2216,7 +2593,9 @@
           <li class="md-nav__item">
   <a href="#link-aggregation" class="md-nav__link">
     <span class="md-ellipsis">
-      Link Aggregation
+      
+        Link Aggregation
+      
     </span>
   </a>
   
@@ -2226,7 +2605,9 @@
           <li class="md-nav__item">
   <a href="#basic-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Basic Configuration
+      
+        Basic Configuration
+      
     </span>
   </a>
   
@@ -2235,7 +2616,9 @@
           <li class="md-nav__item">
   <a href="#lacp-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      LACP Configuration
+      
+        LACP Configuration
+      
     </span>
   </a>
   
@@ -2244,7 +2627,9 @@
           <li class="md-nav__item">
   <a href="#link-flapping" class="md-nav__link">
     <span class="md-ellipsis">
-      Link Flapping
+      
+        Link Flapping
+      
     </span>
   </a>
   
@@ -2253,7 +2638,9 @@
           <li class="md-nav__item">
   <a href="#operational-status-overview" class="md-nav__link">
     <span class="md-ellipsis">
-      Operational Status, Overview
+      
+        Operational Status, Overview
+      
     </span>
   </a>
   
@@ -2262,7 +2649,9 @@
           <li class="md-nav__item">
   <a href="#operational-status-detail" class="md-nav__link">
     <span class="md-ellipsis">
-      Operational Status, Detail
+      
+        Operational Status, Detail
+      
     </span>
   </a>
   
@@ -2271,7 +2660,9 @@
           <li class="md-nav__item">
   <a href="#example-switch-uplink-with-lacp" class="md-nav__link">
     <span class="md-ellipsis">
-      Example: Switch Uplink with LACP
+      
+        Example: Switch Uplink with LACP
+      
     </span>
   </a>
   
@@ -2285,7 +2676,9 @@
           <li class="md-nav__item">
   <a href="#vlan-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      VLAN Interfaces
+      
+        VLAN Interfaces
+      
     </span>
   </a>
   
@@ -2294,7 +2687,9 @@
           <li class="md-nav__item">
   <a href="#physical-ethernet-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      Physical Ethernet Interfaces
+      
+        Physical Ethernet Interfaces
+      
     </span>
   </a>
   
@@ -2304,7 +2699,9 @@
           <li class="md-nav__item">
   <a href="#ethernet-settings-and-status" class="md-nav__link">
     <span class="md-ellipsis">
-      Ethernet Settings and Status
+      
+        Ethernet Settings and Status
+      
     </span>
   </a>
   
@@ -2313,7 +2710,9 @@
           <li class="md-nav__item">
   <a href="#configuring-fixed-speed-and-duplex" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuring fixed speed and duplex
+      
+        Configuring fixed speed and duplex
+      
     </span>
   </a>
   
@@ -2322,7 +2721,9 @@
           <li class="md-nav__item">
   <a href="#ethernet-statistics" class="md-nav__link">
     <span class="md-ellipsis">
-      Ethernet statistics
+      
+        Ethernet statistics
+      
     </span>
   </a>
   
@@ -2336,7 +2737,9 @@
           <li class="md-nav__item">
   <a href="#veth-pairs" class="md-nav__link">
     <span class="md-ellipsis">
-      VETH Pairs
+      
+        VETH Pairs
+      
     </span>
   </a>
   
@@ -2350,7 +2753,9 @@
         <li class="md-nav__item">
   <a href="#management-plane" class="md-nav__link">
     <span class="md-ellipsis">
-      Management Plane
+      
+        Management Plane
+      
     </span>
   </a>
   
@@ -2360,7 +2765,9 @@
           <li class="md-nav__item">
   <a href="#ipv4-address-assignment" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv4 Address Assignment
+      
+        IPv4 Address Assignment
+      
     </span>
   </a>
   
@@ -2369,7 +2776,9 @@
           <li class="md-nav__item">
   <a href="#ipv6-address-assignment" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv6 Address Assignment
+      
+        IPv6 Address Assignment
+      
     </span>
   </a>
   
@@ -2378,7 +2787,9 @@
           <li class="md-nav__item">
   <a href="#examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Examples
+      
+        Examples
+      
     </span>
   </a>
   
@@ -2388,7 +2799,9 @@
           <li class="md-nav__item">
   <a href="#static-and-link-local-ipv4-addresses" class="md-nav__link">
     <span class="md-ellipsis">
-      Static and link-local IPv4 addresses
+      
+        Static and link-local IPv4 addresses
+      
     </span>
   </a>
   
@@ -2397,7 +2810,9 @@
           <li class="md-nav__item">
   <a href="#use-of-dhcp-for-ipv4-address-assignment" class="md-nav__link">
     <span class="md-ellipsis">
-      Use of DHCP for IPv4 address assignment
+      
+        Use of DHCP for IPv4 address assignment
+      
     </span>
   </a>
   
@@ -2406,7 +2821,9 @@
           <li class="md-nav__item">
   <a href="#disabling-ipv6-link-local-addresses" class="md-nav__link">
     <span class="md-ellipsis">
-      Disabling IPv6 link-local address(es)
+      
+        Disabling IPv6 link-local address(es)
+      
     </span>
   </a>
   
@@ -2415,7 +2832,9 @@
           <li class="md-nav__item">
   <a href="#static-ipv6-address" class="md-nav__link">
     <span class="md-ellipsis">
-      Static IPv6 address
+      
+        Static IPv6 address
+      
     </span>
   </a>
   
@@ -2424,7 +2843,9 @@
           <li class="md-nav__item">
   <a href="#stateless-auto-configuration-of-global-ipv6-address" class="md-nav__link">
     <span class="md-ellipsis">
-      Stateless Auto-configuration of Global IPv6 Address
+      
+        Stateless Auto-configuration of Global IPv6 Address
+      
     </span>
   </a>
   
@@ -2433,7 +2854,9 @@
           <li class="md-nav__item">
   <a href="#random-link-identifiers-for-ipv6-stateless-autoconfiguration" class="md-nav__link">
     <span class="md-ellipsis">
-      Random Link Identifiers for IPv6 Stateless Autoconfiguration
+      
+        Random Link Identifiers for IPv6 Stateless Autoconfiguration
+      
     </span>
   </a>
   
@@ -2447,7 +2870,9 @@
           <li class="md-nav__item">
   <a href="#ipv4-forwarding" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv4 forwarding
+      
+        IPv4 forwarding
+      
     </span>
   </a>
   
@@ -2456,7 +2881,9 @@
           <li class="md-nav__item">
   <a href="#ipv6-forwarding" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv6 forwarding
+      
+        IPv6 forwarding
+      
     </span>
   </a>
   
@@ -2470,7 +2897,9 @@
         <li class="md-nav__item">
   <a href="#routing-support" class="md-nav__link">
     <span class="md-ellipsis">
-      Routing support
+      
+        Routing support
+      
     </span>
   </a>
   
@@ -2480,7 +2909,9 @@
           <li class="md-nav__item">
   <a href="#ipv4-static-routes" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv4 Static routes
+      
+        IPv4 Static routes
+      
     </span>
   </a>
   
@@ -2489,7 +2920,9 @@
           <li class="md-nav__item">
   <a href="#ipv6-static-routes" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv6 Static routes
+      
+        IPv6 Static routes
+      
     </span>
   </a>
   
@@ -2498,7 +2931,9 @@
           <li class="md-nav__item">
   <a href="#ospfv2-routing" class="md-nav__link">
     <span class="md-ellipsis">
-      OSPFv2 Routing
+      
+        OSPFv2 Routing
+      
     </span>
   </a>
   
@@ -2508,7 +2943,9 @@
           <li class="md-nav__item">
   <a href="#ospf-area-types" class="md-nav__link">
     <span class="md-ellipsis">
-      OSPF area types
+      
+        OSPF area types
+      
     </span>
   </a>
   
@@ -2517,7 +2954,9 @@
           <li class="md-nav__item">
   <a href="#bidirectional-forwarding-detection-bfd" class="md-nav__link">
     <span class="md-ellipsis">
-      Bidirectional Forwarding Detection (BFD)
+      
+        Bidirectional Forwarding Detection (BFD)
+      
     </span>
   </a>
   
@@ -2526,7 +2965,9 @@
           <li class="md-nav__item">
   <a href="#ospf-interface-settings" class="md-nav__link">
     <span class="md-ellipsis">
-      OSPF interface settings
+      
+        OSPF interface settings
+      
     </span>
   </a>
   
@@ -2535,7 +2976,9 @@
           <li class="md-nav__item">
   <a href="#ospf-global-settings" class="md-nav__link">
     <span class="md-ellipsis">
-      OSPF global settings
+      
+        OSPF global settings
+      
     </span>
   </a>
   
@@ -2544,7 +2987,9 @@
           <li class="md-nav__item">
   <a href="#debug-ospfv2" class="md-nav__link">
     <span class="md-ellipsis">
-      Debug OSPFv2
+      
+        Debug OSPFv2
+      
     </span>
   </a>
   
@@ -2558,7 +3003,9 @@
           <li class="md-nav__item">
   <a href="#view-routing-table" class="md-nav__link">
     <span class="md-ellipsis">
-      View routing table
+      
+        View routing table
+      
     </span>
   </a>
   
@@ -2568,7 +3015,9 @@
           <li class="md-nav__item">
   <a href="#ipv4-routing-table" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv4 routing table
+      
+        IPv4 routing table
+      
     </span>
   </a>
   
@@ -2577,7 +3026,9 @@
           <li class="md-nav__item">
   <a href="#ipv6-routing-table" class="md-nav__link">
     <span class="md-ellipsis">
-      IPv6 routing table
+      
+        IPv6 routing table
+      
     </span>
   </a>
   
@@ -2586,7 +3037,9 @@
           <li class="md-nav__item">
   <a href="#route-preference" class="md-nav__link">
     <span class="md-ellipsis">
-      Route Preference
+      
+        Route Preference
+      
     </span>
   </a>
   
@@ -2595,7 +3048,9 @@
           <li class="md-nav__item">
   <a href="#source-protocol" class="md-nav__link">
     <span class="md-ellipsis">
-      Source protocol
+      
+        Source protocol
+      
     </span>
   </a>
   
@@ -2621,6 +3076,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="./" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Networking
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -3134,7 +3638,7 @@ static mode aggregate:</p>
 <h4 id="operational-status-detail">Operational Status, Detail<a class="headerlink" href="#operational-status-detail" title="Permanent link">¶</a></h4>
 <p>In addition to basic status shown in the interface overview, detailed
 LAG status can be inspected:</p>
-<div class="highlight"><pre><span></span><code><a id="__codelineno-17-1" name="__codelineno-17-1" href="#__codelineno-17-1"></a>admin@example:/&gt; show interfaces name lag0
+<div class="highlight"><pre><span></span><code><a id="__codelineno-17-1" name="__codelineno-17-1" href="#__codelineno-17-1"></a>admin@example:/&gt; show interface lag0
 <a id="__codelineno-17-2" name="__codelineno-17-2" href="#__codelineno-17-2"></a>name                : lag0
 <a id="__codelineno-17-3" name="__codelineno-17-3" href="#__codelineno-17-3"></a>index               : 25
 <a id="__codelineno-17-4" name="__codelineno-17-4" href="#__codelineno-17-4"></a>mtu                 : 1500
@@ -3151,7 +3655,7 @@ LAG status can be inspected:</p>
 <a id="__codelineno-17-15" name="__codelineno-17-15" href="#__codelineno-17-15"></a>out-octets          : 2142
 </code></pre></div>
 <p>Same aggregate, but in LACP mode:</p>
-<div class="highlight"><pre><span></span><code><a id="__codelineno-18-1" name="__codelineno-18-1" href="#__codelineno-18-1"></a>admin@example:/&gt; show interfaces name lag0
+<div class="highlight"><pre><span></span><code><a id="__codelineno-18-1" name="__codelineno-18-1" href="#__codelineno-18-1"></a>admin@example:/&gt; show interface lag0
 <a id="__codelineno-18-2" name="__codelineno-18-2" href="#__codelineno-18-2"></a>name                : lag0
 <a id="__codelineno-18-3" name="__codelineno-18-3" href="#__codelineno-18-3"></a>index               : 24
 <a id="__codelineno-18-4" name="__codelineno-18-4" href="#__codelineno-18-4"></a>mtu                 : 1500
@@ -3190,7 +3694,7 @@ LAG status can be inspected:</p>
 <li>Partner state: LACP state flags from the remote port</li>
 </ul>
 <p>Example member port status:</p>
-<div class="highlight"><pre><span></span><code><a id="__codelineno-19-1" name="__codelineno-19-1" href="#__codelineno-19-1"></a>admin@example:/&gt; show interfaces name eth7
+<div class="highlight"><pre><span></span><code><a id="__codelineno-19-1" name="__codelineno-19-1" href="#__codelineno-19-1"></a>admin@example:/&gt; show interface eth7
 <a id="__codelineno-19-2" name="__codelineno-19-2" href="#__codelineno-19-2"></a>name                : eth7
 <a id="__codelineno-19-3" name="__codelineno-19-3" href="#__codelineno-19-3"></a>index               : 8
 <a id="__codelineno-19-4" name="__codelineno-19-4" href="#__codelineno-19-4"></a>mtu                 : 1500
@@ -3284,7 +3788,7 @@ highest speeds supported by H1 and H2 respectively.</p>
 <p><a class="glightbox" data-type="image" data-width="100%" data-height="auto" href="../img/ethernet-autoneg.svg" data-desc-position="bottom"><img alt="4-port Gbit/s switch connected to Gbit and Fast Ethernet Hosts" src="../img/ethernet-autoneg.svg"></a></p>
 <p>The speed and duplex status for the links can be listed as shown
 below, assuming the link operational status is 'up'. </p>
-<div class="highlight"><pre><span></span><code><a id="__codelineno-27-1" name="__codelineno-27-1" href="#__codelineno-27-1"></a>admin@example:/&gt; show interfaces name eth1
+<div class="highlight"><pre><span></span><code><a id="__codelineno-27-1" name="__codelineno-27-1" href="#__codelineno-27-1"></a>admin@example:/&gt; show interface eth1
 <a id="__codelineno-27-2" name="__codelineno-27-2" href="#__codelineno-27-2"></a>name                : eth1
 <a id="__codelineno-27-3" name="__codelineno-27-3" href="#__codelineno-27-3"></a>index               : 2
 <a id="__codelineno-27-4" name="__codelineno-27-4" href="#__codelineno-27-4"></a>mtu                 : 1500
@@ -3298,7 +3802,7 @@ below, assuming the link operational status is 'up'. </p>
 <a id="__codelineno-27-12" name="__codelineno-27-12" href="#__codelineno-27-12"></a>in-octets           : 75581
 <a id="__codelineno-27-13" name="__codelineno-27-13" href="#__codelineno-27-13"></a>out-octets          : 43130
 <a id="__codelineno-27-14" name="__codelineno-27-14" href="#__codelineno-27-14"></a>...
-<a id="__codelineno-27-15" name="__codelineno-27-15" href="#__codelineno-27-15"></a>admin@example:/&gt; show interfaces name eth4
+<a id="__codelineno-27-15" name="__codelineno-27-15" href="#__codelineno-27-15"></a>admin@example:/&gt; show interface eth4
 <a id="__codelineno-27-16" name="__codelineno-27-16" href="#__codelineno-27-16"></a>name                : eth4
 <a id="__codelineno-27-17" name="__codelineno-27-17" href="#__codelineno-27-17"></a>index               : 5
 <a id="__codelineno-27-18" name="__codelineno-27-18" href="#__codelineno-27-18"></a>mtu                 : 1500
@@ -3347,7 +3851,7 @@ and <code>0.01</code> (10 Mbit/s) can be specified. 1 Gbit/s and higher speeds
 require auto-negotiation to be enabled.</p>
 <h4 id="ethernet-statistics">Ethernet statistics<a class="headerlink" href="#ethernet-statistics" title="Permanent link">¶</a></h4>
 <p>Ethernet packet statistics<sup id="fnref:6"><a class="footnote-ref" href="#fn:6">6</a></sup> can be listed as shown below.</p>
-<div class="highlight"><pre><span></span><code><a id="__codelineno-29-1" name="__codelineno-29-1" href="#__codelineno-29-1"></a>admin@example:/&gt; show interfaces name eth1
+<div class="highlight"><pre><span></span><code><a id="__codelineno-29-1" name="__codelineno-29-1" href="#__codelineno-29-1"></a>admin@example:/&gt; show interface eth1
 <a id="__codelineno-29-2" name="__codelineno-29-2" href="#__codelineno-29-2"></a>name                : eth1
 <a id="__codelineno-29-3" name="__codelineno-29-3" href="#__codelineno-29-3"></a>index               : 2
 <a id="__codelineno-29-4" name="__codelineno-29-4" href="#__codelineno-29-4"></a>mtu                 : 1500
@@ -4213,10 +4717,11 @@ on the statistics support.&nbsp;<a class="footnote-backref" href="#fnref:6" titl
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/override-package/index.html b/dev/override-package/index.html
index c13c47cb..89f35fd9 100644
--- a/dev/override-package/index.html
+++ b/dev/override-package/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../netboot/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1085,10 +1243,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1096,7 +1259,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1112,10 +1279,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1135,10 +1307,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1158,10 +1335,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1181,10 +1363,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1204,10 +1391,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1265,10 +1457,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1276,7 +1473,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1292,10 +1493,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1315,10 +1521,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1347,10 +1558,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1360,10 +1576,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1385,7 +1606,9 @@
         <li class="md-nav__item">
   <a href="#setup" class="md-nav__link">
     <span class="md-ellipsis">
-      Setup
+      
+        Setup
+      
     </span>
   </a>
   
@@ -1394,7 +1617,9 @@
         <li class="md-nav__item">
   <a href="#override" class="md-nav__link">
     <span class="md-ellipsis">
-      Override
+      
+        Override
+      
     </span>
   </a>
   
@@ -1403,7 +1628,9 @@
         <li class="md-nav__item">
   <a href="#building" class="md-nav__link">
     <span class="md-ellipsis">
-      Building
+      
+        Building
+      
     </span>
   </a>
   
@@ -1430,10 +1657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1453,10 +1685,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1476,10 +1713,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1499,10 +1741,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1522,10 +1769,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1552,10 +1804,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1591,7 +1848,9 @@
         <li class="md-nav__item">
   <a href="#setup" class="md-nav__link">
     <span class="md-ellipsis">
-      Setup
+      
+        Setup
+      
     </span>
   </a>
   
@@ -1600,7 +1859,9 @@
         <li class="md-nav__item">
   <a href="#override" class="md-nav__link">
     <span class="md-ellipsis">
-      Override
+      
+        Override
+      
     </span>
   </a>
   
@@ -1609,7 +1870,9 @@
         <li class="md-nav__item">
   <a href="#building" class="md-nav__link">
     <span class="md-ellipsis">
-      Building
+      
+        Building
+      
     </span>
   </a>
   
@@ -1625,6 +1888,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../branding/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Developer's Corner
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1738,10 +2050,11 @@ Buildroot commands to build, clean, reconfigure, etc.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/qos/index.html b/dev/qos/index.html
index c0fb02ce..a568c450 100644
--- a/dev/qos/index.html
+++ b/dev/qos/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../eth-counters/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -598,10 +659,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -609,7 +675,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -625,10 +695,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -648,10 +723,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -680,10 +760,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -693,10 +778,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -718,7 +808,9 @@
         <li class="md-nav__item">
   <a href="#hardware-forwarded-traffic" class="md-nav__link">
     <span class="md-ellipsis">
-      Hardware Forwarded Traffic
+      
+        Hardware Forwarded Traffic
+      
     </span>
   </a>
   
@@ -728,7 +820,9 @@
           <li class="md-nav__item">
   <a href="#marvell-linkstreet" class="md-nav__link">
     <span class="md-ellipsis">
-      Marvell LinkStreet
+      
+        Marvell LinkStreet
+      
     </span>
   </a>
   
@@ -738,7 +832,9 @@
           <li class="md-nav__item">
   <a href="#default-policy" class="md-nav__link">
     <span class="md-ellipsis">
-      Default Policy
+      
+        Default Policy
+      
     </span>
   </a>
   
@@ -748,7 +844,9 @@
           <li class="md-nav__item">
   <a href="#queueing" class="md-nav__link">
     <span class="md-ellipsis">
-      Queueing
+      
+        Queueing
+      
     </span>
   </a>
   
@@ -757,7 +855,9 @@
           <li class="md-nav__item">
   <a href="#marking" class="md-nav__link">
     <span class="md-ellipsis">
-      Marking
+      
+        Marking
+      
     </span>
   </a>
   
@@ -781,7 +881,9 @@
         <li class="md-nav__item">
   <a href="#software-forwarded-traffic" class="md-nav__link">
     <span class="md-ellipsis">
-      Software Forwarded Traffic
+      
+        Software Forwarded Traffic
+      
     </span>
   </a>
   
@@ -790,7 +892,9 @@
         <li class="md-nav__item">
   <a href="#a-complex-example" class="md-nav__link">
     <span class="md-ellipsis">
-      A complex example
+      
+        A complex example
+      
     </span>
   </a>
   
@@ -817,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -840,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -863,10 +977,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -910,10 +1029,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -921,7 +1045,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -937,10 +1065,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -960,10 +1093,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1015,10 +1153,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1026,7 +1169,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1042,10 +1189,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1065,10 +1217,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1088,10 +1245,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1111,10 +1273,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1134,10 +1301,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1157,10 +1329,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1210,10 +1387,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1221,7 +1403,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1237,10 +1423,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1260,10 +1451,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1283,10 +1479,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1306,10 +1507,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1329,10 +1535,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1388,10 +1599,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1399,7 +1615,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1415,10 +1635,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1438,10 +1663,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1461,10 +1691,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1484,10 +1719,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1507,10 +1747,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1530,10 +1775,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1553,10 +1803,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1576,10 +1831,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1606,10 +1866,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1645,7 +1910,9 @@
         <li class="md-nav__item">
   <a href="#hardware-forwarded-traffic" class="md-nav__link">
     <span class="md-ellipsis">
-      Hardware Forwarded Traffic
+      
+        Hardware Forwarded Traffic
+      
     </span>
   </a>
   
@@ -1655,7 +1922,9 @@
           <li class="md-nav__item">
   <a href="#marvell-linkstreet" class="md-nav__link">
     <span class="md-ellipsis">
-      Marvell LinkStreet
+      
+        Marvell LinkStreet
+      
     </span>
   </a>
   
@@ -1665,7 +1934,9 @@
           <li class="md-nav__item">
   <a href="#default-policy" class="md-nav__link">
     <span class="md-ellipsis">
-      Default Policy
+      
+        Default Policy
+      
     </span>
   </a>
   
@@ -1675,7 +1946,9 @@
           <li class="md-nav__item">
   <a href="#queueing" class="md-nav__link">
     <span class="md-ellipsis">
-      Queueing
+      
+        Queueing
+      
     </span>
   </a>
   
@@ -1684,7 +1957,9 @@
           <li class="md-nav__item">
   <a href="#marking" class="md-nav__link">
     <span class="md-ellipsis">
-      Marking
+      
+        Marking
+      
     </span>
   </a>
   
@@ -1708,7 +1983,9 @@
         <li class="md-nav__item">
   <a href="#software-forwarded-traffic" class="md-nav__link">
     <span class="md-ellipsis">
-      Software Forwarded Traffic
+      
+        Software Forwarded Traffic
+      
     </span>
   </a>
   
@@ -1717,7 +1994,9 @@
         <li class="md-nav__item">
   <a href="#a-complex-example" class="md-nav__link">
     <span class="md-ellipsis">
-      A complex example
+      
+        A complex example
+      
     </span>
   </a>
   
@@ -1733,6 +2012,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../networking/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Networking
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1930,10 +2258,11 @@ forwarding and hardware offloading.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/scripting-netconf/index.html b/dev/scripting-netconf/index.html
index 61a75ab5..9179d4c6 100644
--- a/dev/scripting-netconf/index.html
+++ b/dev/scripting-netconf/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../scripting-restconf/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1087,10 +1245,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1098,7 +1261,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1114,10 +1281,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1137,10 +1309,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1160,10 +1337,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1192,10 +1374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1205,10 +1392,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1230,7 +1422,9 @@
         <li class="md-nav__item">
   <a href="#netconf-vs-restconf" class="md-nav__link">
     <span class="md-ellipsis">
-      NETCONF vs RESTCONF
+      
+        NETCONF vs RESTCONF
+      
     </span>
   </a>
   
@@ -1239,7 +1433,9 @@
         <li class="md-nav__item">
   <a href="#quick-start-with-netopeer2-cli" class="md-nav__link">
     <span class="md-ellipsis">
-      Quick Start with netopeer2-cli
+      
+        Quick Start with netopeer2-cli
+      
     </span>
   </a>
   
@@ -1249,7 +1445,9 @@
           <li class="md-nav__item">
   <a href="#basic-operations-in-netopeer2-cli" class="md-nav__link">
     <span class="md-ellipsis">
-      Basic Operations in netopeer2-cli
+      
+        Basic Operations in netopeer2-cli
+      
     </span>
   </a>
   
@@ -1263,7 +1461,9 @@
         <li class="md-nav__item">
   <a href="#discovery-common-patterns" class="md-nav__link">
     <span class="md-ellipsis">
-      Discovery &amp; Common Patterns
+      
+        Discovery &amp; Common Patterns
+      
     </span>
   </a>
   
@@ -1273,7 +1473,9 @@
           <li class="md-nav__item">
   <a href="#discovering-available-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      Discovering Available Interfaces
+      
+        Discovering Available Interfaces
+      
     </span>
   </a>
   
@@ -1282,7 +1484,9 @@
           <li class="md-nav__item">
   <a href="#get-all-yang-capabilities" class="md-nav__link">
     <span class="md-ellipsis">
-      Get All YANG Capabilities
+      
+        Get All YANG Capabilities
+      
     </span>
   </a>
   
@@ -1291,7 +1495,9 @@
           <li class="md-nav__item">
   <a href="#get-entire-running-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Get Entire Running Configuration
+      
+        Get Entire Running Configuration
+      
     </span>
   </a>
   
@@ -1300,7 +1506,9 @@
           <li class="md-nav__item">
   <a href="#common-workflow-patterns" class="md-nav__link">
     <span class="md-ellipsis">
-      Common Workflow Patterns
+      
+        Common Workflow Patterns
+      
     </span>
   </a>
   
@@ -1310,7 +1518,9 @@
           <li class="md-nav__item">
   <a href="#pattern-1-find-interface-by-ip-address" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 1: Find interface by IP address
+      
+        Pattern 1: Find interface by IP address
+      
     </span>
   </a>
   
@@ -1319,7 +1529,9 @@
           <li class="md-nav__item">
   <a href="#pattern-2-check-which-interfaces-are-down" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 2: Check which interfaces are down
+      
+        Pattern 2: Check which interfaces are down
+      
     </span>
   </a>
   
@@ -1328,7 +1540,9 @@
           <li class="md-nav__item">
   <a href="#pattern-3-get-interface-statistics-for-monitoring" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 3: Get interface statistics for monitoring
+      
+        Pattern 3: Get interface statistics for monitoring
+      
     </span>
   </a>
   
@@ -1347,7 +1561,9 @@
         <li class="md-nav__item">
   <a href="#scripting-with-netconf-client" class="md-nav__link">
     <span class="md-ellipsis">
-      Scripting with netconf-client
+      
+        Scripting with netconf-client
+      
     </span>
   </a>
   
@@ -1357,7 +1573,9 @@
           <li class="md-nav__item">
   <a href="#installation" class="md-nav__link">
     <span class="md-ellipsis">
-      Installation
+      
+        Installation
+      
     </span>
   </a>
   
@@ -1366,7 +1584,9 @@
           <li class="md-nav__item">
   <a href="#basic-usage" class="md-nav__link">
     <span class="md-ellipsis">
-      Basic Usage
+      
+        Basic Usage
+      
     </span>
   </a>
   
@@ -1375,7 +1595,9 @@
           <li class="md-nav__item">
   <a href="#python-api" class="md-nav__link">
     <span class="md-ellipsis">
-      Python API
+      
+        Python API
+      
     </span>
   </a>
   
@@ -1389,7 +1611,9 @@
         <li class="md-nav__item">
   <a href="#configuration-examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuration Examples
+      
+        Configuration Examples
+      
     </span>
   </a>
   
@@ -1399,7 +1623,9 @@
           <li class="md-nav__item">
   <a href="#read-hostname" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Hostname
+      
+        Read Hostname
+      
     </span>
   </a>
   
@@ -1408,7 +1634,9 @@
           <li class="md-nav__item">
   <a href="#set-hostname" class="md-nav__link">
     <span class="md-ellipsis">
-      Set Hostname
+      
+        Set Hostname
+      
     </span>
   </a>
   
@@ -1417,7 +1645,9 @@
           <li class="md-nav__item">
   <a href="#add-ip-address-to-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      Add IP Address to Interface
+      
+        Add IP Address to Interface
+      
     </span>
   </a>
   
@@ -1426,7 +1656,9 @@
           <li class="md-nav__item">
   <a href="#copy-running-to-startup" class="md-nav__link">
     <span class="md-ellipsis">
-      Copy Running to Startup
+      
+        Copy Running to Startup
+      
     </span>
   </a>
   
@@ -1440,7 +1672,9 @@
         <li class="md-nav__item">
   <a href="#operational-data-examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Operational Data Examples
+      
+        Operational Data Examples
+      
     </span>
   </a>
   
@@ -1450,7 +1684,9 @@
           <li class="md-nav__item">
   <a href="#read-interface-state" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Interface State
+      
+        Read Interface State
+      
     </span>
   </a>
   
@@ -1459,7 +1695,9 @@
           <li class="md-nav__item">
   <a href="#read-all-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      Read All Interfaces
+      
+        Read All Interfaces
+      
     </span>
   </a>
   
@@ -1468,7 +1706,9 @@
           <li class="md-nav__item">
   <a href="#read-routing-table" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Routing Table
+      
+        Read Routing Table
+      
     </span>
   </a>
   
@@ -1477,7 +1717,9 @@
           <li class="md-nav__item">
   <a href="#read-ospf-neighbors" class="md-nav__link">
     <span class="md-ellipsis">
-      Read OSPF Neighbors
+      
+        Read OSPF Neighbors
+      
     </span>
   </a>
   
@@ -1491,7 +1733,9 @@
         <li class="md-nav__item">
   <a href="#advanced-scripting" class="md-nav__link">
     <span class="md-ellipsis">
-      Advanced Scripting
+      
+        Advanced Scripting
+      
     </span>
   </a>
   
@@ -1501,7 +1745,9 @@
           <li class="md-nav__item">
   <a href="#python-script-backup-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Python Script: Backup Configuration
+      
+        Python Script: Backup Configuration
+      
     </span>
   </a>
   
@@ -1510,7 +1756,9 @@
           <li class="md-nav__item">
   <a href="#python-script-monitor-interface-statistics" class="md-nav__link">
     <span class="md-ellipsis">
-      Python Script: Monitor Interface Statistics
+      
+        Python Script: Monitor Interface Statistics
+      
     </span>
   </a>
   
@@ -1519,7 +1767,9 @@
           <li class="md-nav__item">
   <a href="#shell-script-batch-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Shell Script: Batch Configuration
+      
+        Shell Script: Batch Configuration
+      
     </span>
   </a>
   
@@ -1533,7 +1783,9 @@
         <li class="md-nav__item">
   <a href="#other-netconf-tools" class="md-nav__link">
     <span class="md-ellipsis">
-      Other NETCONF Tools
+      
+        Other NETCONF Tools
+      
     </span>
   </a>
   
@@ -1543,7 +1795,9 @@
           <li class="md-nav__item">
   <a href="#ncclient-python" class="md-nav__link">
     <span class="md-ellipsis">
-      ncclient (Python)
+      
+        ncclient (Python)
+      
     </span>
   </a>
   
@@ -1552,7 +1806,9 @@
           <li class="md-nav__item">
   <a href="#ansible" class="md-nav__link">
     <span class="md-ellipsis">
-      Ansible
+      
+        Ansible
+      
     </span>
   </a>
   
@@ -1561,7 +1817,9 @@
           <li class="md-nav__item">
   <a href="#cisco-tools" class="md-nav__link">
     <span class="md-ellipsis">
-      Cisco Tools
+      
+        Cisco Tools
+      
     </span>
   </a>
   
@@ -1575,7 +1833,9 @@
         <li class="md-nav__item">
   <a href="#troubleshooting" class="md-nav__link">
     <span class="md-ellipsis">
-      Troubleshooting
+      
+        Troubleshooting
+      
     </span>
   </a>
   
@@ -1585,7 +1845,9 @@
           <li class="md-nav__item">
   <a href="#enable-netconf-debugging" class="md-nav__link">
     <span class="md-ellipsis">
-      Enable NETCONF Debugging
+      
+        Enable NETCONF Debugging
+      
     </span>
   </a>
   
@@ -1594,7 +1856,9 @@
           <li class="md-nav__item">
   <a href="#common-issues" class="md-nav__link">
     <span class="md-ellipsis">
-      Common Issues
+      
+        Common Issues
+      
     </span>
   </a>
   
@@ -1608,7 +1872,9 @@
         <li class="md-nav__item">
   <a href="#references" class="md-nav__link">
     <span class="md-ellipsis">
-      References
+      
+        References
+      
     </span>
   </a>
   
@@ -1635,10 +1901,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1694,10 +1965,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1705,7 +1981,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1721,10 +2001,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1744,10 +2029,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1767,10 +2057,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1790,10 +2085,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1813,10 +2113,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1836,10 +2141,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1859,10 +2169,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1882,10 +2197,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1912,10 +2232,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1951,7 +2276,9 @@
         <li class="md-nav__item">
   <a href="#netconf-vs-restconf" class="md-nav__link">
     <span class="md-ellipsis">
-      NETCONF vs RESTCONF
+      
+        NETCONF vs RESTCONF
+      
     </span>
   </a>
   
@@ -1960,7 +2287,9 @@
         <li class="md-nav__item">
   <a href="#quick-start-with-netopeer2-cli" class="md-nav__link">
     <span class="md-ellipsis">
-      Quick Start with netopeer2-cli
+      
+        Quick Start with netopeer2-cli
+      
     </span>
   </a>
   
@@ -1970,7 +2299,9 @@
           <li class="md-nav__item">
   <a href="#basic-operations-in-netopeer2-cli" class="md-nav__link">
     <span class="md-ellipsis">
-      Basic Operations in netopeer2-cli
+      
+        Basic Operations in netopeer2-cli
+      
     </span>
   </a>
   
@@ -1984,7 +2315,9 @@
         <li class="md-nav__item">
   <a href="#discovery-common-patterns" class="md-nav__link">
     <span class="md-ellipsis">
-      Discovery &amp; Common Patterns
+      
+        Discovery &amp; Common Patterns
+      
     </span>
   </a>
   
@@ -1994,7 +2327,9 @@
           <li class="md-nav__item">
   <a href="#discovering-available-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      Discovering Available Interfaces
+      
+        Discovering Available Interfaces
+      
     </span>
   </a>
   
@@ -2003,7 +2338,9 @@
           <li class="md-nav__item">
   <a href="#get-all-yang-capabilities" class="md-nav__link">
     <span class="md-ellipsis">
-      Get All YANG Capabilities
+      
+        Get All YANG Capabilities
+      
     </span>
   </a>
   
@@ -2012,7 +2349,9 @@
           <li class="md-nav__item">
   <a href="#get-entire-running-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Get Entire Running Configuration
+      
+        Get Entire Running Configuration
+      
     </span>
   </a>
   
@@ -2021,7 +2360,9 @@
           <li class="md-nav__item">
   <a href="#common-workflow-patterns" class="md-nav__link">
     <span class="md-ellipsis">
-      Common Workflow Patterns
+      
+        Common Workflow Patterns
+      
     </span>
   </a>
   
@@ -2031,7 +2372,9 @@
           <li class="md-nav__item">
   <a href="#pattern-1-find-interface-by-ip-address" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 1: Find interface by IP address
+      
+        Pattern 1: Find interface by IP address
+      
     </span>
   </a>
   
@@ -2040,7 +2383,9 @@
           <li class="md-nav__item">
   <a href="#pattern-2-check-which-interfaces-are-down" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 2: Check which interfaces are down
+      
+        Pattern 2: Check which interfaces are down
+      
     </span>
   </a>
   
@@ -2049,7 +2394,9 @@
           <li class="md-nav__item">
   <a href="#pattern-3-get-interface-statistics-for-monitoring" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 3: Get interface statistics for monitoring
+      
+        Pattern 3: Get interface statistics for monitoring
+      
     </span>
   </a>
   
@@ -2068,7 +2415,9 @@
         <li class="md-nav__item">
   <a href="#scripting-with-netconf-client" class="md-nav__link">
     <span class="md-ellipsis">
-      Scripting with netconf-client
+      
+        Scripting with netconf-client
+      
     </span>
   </a>
   
@@ -2078,7 +2427,9 @@
           <li class="md-nav__item">
   <a href="#installation" class="md-nav__link">
     <span class="md-ellipsis">
-      Installation
+      
+        Installation
+      
     </span>
   </a>
   
@@ -2087,7 +2438,9 @@
           <li class="md-nav__item">
   <a href="#basic-usage" class="md-nav__link">
     <span class="md-ellipsis">
-      Basic Usage
+      
+        Basic Usage
+      
     </span>
   </a>
   
@@ -2096,7 +2449,9 @@
           <li class="md-nav__item">
   <a href="#python-api" class="md-nav__link">
     <span class="md-ellipsis">
-      Python API
+      
+        Python API
+      
     </span>
   </a>
   
@@ -2110,7 +2465,9 @@
         <li class="md-nav__item">
   <a href="#configuration-examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuration Examples
+      
+        Configuration Examples
+      
     </span>
   </a>
   
@@ -2120,7 +2477,9 @@
           <li class="md-nav__item">
   <a href="#read-hostname" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Hostname
+      
+        Read Hostname
+      
     </span>
   </a>
   
@@ -2129,7 +2488,9 @@
           <li class="md-nav__item">
   <a href="#set-hostname" class="md-nav__link">
     <span class="md-ellipsis">
-      Set Hostname
+      
+        Set Hostname
+      
     </span>
   </a>
   
@@ -2138,7 +2499,9 @@
           <li class="md-nav__item">
   <a href="#add-ip-address-to-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      Add IP Address to Interface
+      
+        Add IP Address to Interface
+      
     </span>
   </a>
   
@@ -2147,7 +2510,9 @@
           <li class="md-nav__item">
   <a href="#copy-running-to-startup" class="md-nav__link">
     <span class="md-ellipsis">
-      Copy Running to Startup
+      
+        Copy Running to Startup
+      
     </span>
   </a>
   
@@ -2161,7 +2526,9 @@
         <li class="md-nav__item">
   <a href="#operational-data-examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Operational Data Examples
+      
+        Operational Data Examples
+      
     </span>
   </a>
   
@@ -2171,7 +2538,9 @@
           <li class="md-nav__item">
   <a href="#read-interface-state" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Interface State
+      
+        Read Interface State
+      
     </span>
   </a>
   
@@ -2180,7 +2549,9 @@
           <li class="md-nav__item">
   <a href="#read-all-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      Read All Interfaces
+      
+        Read All Interfaces
+      
     </span>
   </a>
   
@@ -2189,7 +2560,9 @@
           <li class="md-nav__item">
   <a href="#read-routing-table" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Routing Table
+      
+        Read Routing Table
+      
     </span>
   </a>
   
@@ -2198,7 +2571,9 @@
           <li class="md-nav__item">
   <a href="#read-ospf-neighbors" class="md-nav__link">
     <span class="md-ellipsis">
-      Read OSPF Neighbors
+      
+        Read OSPF Neighbors
+      
     </span>
   </a>
   
@@ -2212,7 +2587,9 @@
         <li class="md-nav__item">
   <a href="#advanced-scripting" class="md-nav__link">
     <span class="md-ellipsis">
-      Advanced Scripting
+      
+        Advanced Scripting
+      
     </span>
   </a>
   
@@ -2222,7 +2599,9 @@
           <li class="md-nav__item">
   <a href="#python-script-backup-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Python Script: Backup Configuration
+      
+        Python Script: Backup Configuration
+      
     </span>
   </a>
   
@@ -2231,7 +2610,9 @@
           <li class="md-nav__item">
   <a href="#python-script-monitor-interface-statistics" class="md-nav__link">
     <span class="md-ellipsis">
-      Python Script: Monitor Interface Statistics
+      
+        Python Script: Monitor Interface Statistics
+      
     </span>
   </a>
   
@@ -2240,7 +2621,9 @@
           <li class="md-nav__item">
   <a href="#shell-script-batch-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Shell Script: Batch Configuration
+      
+        Shell Script: Batch Configuration
+      
     </span>
   </a>
   
@@ -2254,7 +2637,9 @@
         <li class="md-nav__item">
   <a href="#other-netconf-tools" class="md-nav__link">
     <span class="md-ellipsis">
-      Other NETCONF Tools
+      
+        Other NETCONF Tools
+      
     </span>
   </a>
   
@@ -2264,7 +2649,9 @@
           <li class="md-nav__item">
   <a href="#ncclient-python" class="md-nav__link">
     <span class="md-ellipsis">
-      ncclient (Python)
+      
+        ncclient (Python)
+      
     </span>
   </a>
   
@@ -2273,7 +2660,9 @@
           <li class="md-nav__item">
   <a href="#ansible" class="md-nav__link">
     <span class="md-ellipsis">
-      Ansible
+      
+        Ansible
+      
     </span>
   </a>
   
@@ -2282,7 +2671,9 @@
           <li class="md-nav__item">
   <a href="#cisco-tools" class="md-nav__link">
     <span class="md-ellipsis">
-      Cisco Tools
+      
+        Cisco Tools
+      
     </span>
   </a>
   
@@ -2296,7 +2687,9 @@
         <li class="md-nav__item">
   <a href="#troubleshooting" class="md-nav__link">
     <span class="md-ellipsis">
-      Troubleshooting
+      
+        Troubleshooting
+      
     </span>
   </a>
   
@@ -2306,7 +2699,9 @@
           <li class="md-nav__item">
   <a href="#enable-netconf-debugging" class="md-nav__link">
     <span class="md-ellipsis">
-      Enable NETCONF Debugging
+      
+        Enable NETCONF Debugging
+      
     </span>
   </a>
   
@@ -2315,7 +2710,9 @@
           <li class="md-nav__item">
   <a href="#common-issues" class="md-nav__link">
     <span class="md-ellipsis">
-      Common Issues
+      
+        Common Issues
+      
     </span>
   </a>
   
@@ -2329,7 +2726,9 @@
         <li class="md-nav__item">
   <a href="#references" class="md-nav__link">
     <span class="md-ellipsis">
-      References
+      
+        References
+      
     </span>
   </a>
   
@@ -2345,6 +2744,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../scripting/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Scripting
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2978,10 +3426,11 @@ MAC address, MTU, and IP addresses.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/scripting-prod/index.html b/dev/scripting-prod/index.html
index bd8dabc6..4e697ce6 100644
--- a/dev/scripting-prod/index.html
+++ b/dev/scripting-prod/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../scripting-netconf/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
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             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1087,10 +1245,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1098,7 +1261,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1114,10 +1281,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1137,10 +1309,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1169,10 +1346,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1182,10 +1364,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1207,7 +1394,9 @@
         <li class="md-nav__item">
   <a href="#vlan-snake" class="md-nav__link">
     <span class="md-ellipsis">
-      VLAN Snake
+      
+        VLAN Snake
+      
     </span>
   </a>
   
@@ -1216,7 +1405,9 @@
         <li class="md-nav__item">
   <a href="#configuration-at-start" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuration at Start
+      
+        Configuration at Start
+      
     </span>
   </a>
   
@@ -1225,7 +1416,9 @@
         <li class="md-nav__item">
   <a href="#creating-bridge-and-adding-ports" class="md-nav__link">
     <span class="md-ellipsis">
-      Creating Bridge and Adding Ports
+      
+        Creating Bridge and Adding Ports
+      
     </span>
   </a>
   
@@ -1234,7 +1427,9 @@
         <li class="md-nav__item">
   <a href="#assign-vlans-to-ports" class="md-nav__link">
     <span class="md-ellipsis">
-      Assign VLANs to Ports
+      
+        Assign VLANs to Ports
+      
     </span>
   </a>
   
@@ -1243,7 +1438,9 @@
         <li class="md-nav__item">
   <a href="#connect-cables-and-test" class="md-nav__link">
     <span class="md-ellipsis">
-      Connect Cables and Test
+      
+        Connect Cables and Test
+      
     </span>
   </a>
   
@@ -1252,7 +1449,9 @@
         <li class="md-nav__item">
   <a href="#set-ip-address" class="md-nav__link">
     <span class="md-ellipsis">
-      Set IP Address
+      
+        Set IP Address
+      
     </span>
   </a>
   
@@ -1279,10 +1478,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1302,10 +1506,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1361,10 +1570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1372,7 +1586,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1388,10 +1606,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1411,10 +1634,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1434,10 +1662,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1457,10 +1690,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1480,10 +1718,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1503,10 +1746,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1526,10 +1774,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1549,10 +1802,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1579,10 +1837,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1618,7 +1881,9 @@
         <li class="md-nav__item">
   <a href="#vlan-snake" class="md-nav__link">
     <span class="md-ellipsis">
-      VLAN Snake
+      
+        VLAN Snake
+      
     </span>
   </a>
   
@@ -1627,7 +1892,9 @@
         <li class="md-nav__item">
   <a href="#configuration-at-start" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuration at Start
+      
+        Configuration at Start
+      
     </span>
   </a>
   
@@ -1636,7 +1903,9 @@
         <li class="md-nav__item">
   <a href="#creating-bridge-and-adding-ports" class="md-nav__link">
     <span class="md-ellipsis">
-      Creating Bridge and Adding Ports
+      
+        Creating Bridge and Adding Ports
+      
     </span>
   </a>
   
@@ -1645,7 +1914,9 @@
         <li class="md-nav__item">
   <a href="#assign-vlans-to-ports" class="md-nav__link">
     <span class="md-ellipsis">
-      Assign VLANs to Ports
+      
+        Assign VLANs to Ports
+      
     </span>
   </a>
   
@@ -1654,7 +1925,9 @@
         <li class="md-nav__item">
   <a href="#connect-cables-and-test" class="md-nav__link">
     <span class="md-ellipsis">
-      Connect Cables and Test
+      
+        Connect Cables and Test
+      
     </span>
   </a>
   
@@ -1663,7 +1936,9 @@
         <li class="md-nav__item">
   <a href="#set-ip-address" class="md-nav__link">
     <span class="md-ellipsis">
-      Set IP Address
+      
+        Set IP Address
+      
     </span>
   </a>
   
@@ -1679,6 +1954,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../scripting/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Scripting
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2060,10 +2384,11 @@ the created configuration.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/scripting-restconf/index.html b/dev/scripting-restconf/index.html
index c3a66883..7b3ed833 100644
--- a/dev/scripting-restconf/index.html
+++ b/dev/scripting-restconf/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../branding/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1087,10 +1245,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1098,7 +1261,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1114,10 +1281,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1137,10 +1309,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1160,10 +1337,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1183,10 +1365,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1215,10 +1402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1228,10 +1420,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1253,7 +1450,9 @@
         <li class="md-nav__item">
   <a href="#helper-script" class="md-nav__link">
     <span class="md-ellipsis">
-      Helper Script
+      
+        Helper Script
+      
     </span>
   </a>
   
@@ -1262,7 +1461,9 @@
         <li class="md-nav__item">
   <a href="#discovery-common-patterns" class="md-nav__link">
     <span class="md-ellipsis">
-      Discovery &amp; Common Patterns
+      
+        Discovery &amp; Common Patterns
+      
     </span>
   </a>
   
@@ -1272,7 +1473,9 @@
           <li class="md-nav__item">
   <a href="#discovering-available-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      Discovering Available Interfaces
+      
+        Discovering Available Interfaces
+      
     </span>
   </a>
   
@@ -1281,7 +1484,9 @@
           <li class="md-nav__item">
   <a href="#get-api-capabilities" class="md-nav__link">
     <span class="md-ellipsis">
-      Get API Capabilities
+      
+        Get API Capabilities
+      
     </span>
   </a>
   
@@ -1290,7 +1495,9 @@
           <li class="md-nav__item">
   <a href="#get-entire-running-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Get Entire Running Configuration
+      
+        Get Entire Running Configuration
+      
     </span>
   </a>
   
@@ -1299,7 +1506,9 @@
           <li class="md-nav__item">
   <a href="#common-workflow-patterns" class="md-nav__link">
     <span class="md-ellipsis">
-      Common Workflow Patterns
+      
+        Common Workflow Patterns
+      
     </span>
   </a>
   
@@ -1309,7 +1518,9 @@
           <li class="md-nav__item">
   <a href="#pattern-1-find-interface-by-ip-address" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 1: Find interface by IP address
+      
+        Pattern 1: Find interface by IP address
+      
     </span>
   </a>
   
@@ -1318,7 +1529,9 @@
           <li class="md-nav__item">
   <a href="#pattern-2-list-all-interfaces-that-are-down" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 2: List all interfaces that are down
+      
+        Pattern 2: List all interfaces that are down
+      
     </span>
   </a>
   
@@ -1327,7 +1540,9 @@
           <li class="md-nav__item">
   <a href="#pattern-3-get-statistics-for-all-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 3: Get statistics for all interfaces
+      
+        Pattern 3: Get statistics for all interfaces
+      
     </span>
   </a>
   
@@ -1336,7 +1551,9 @@
           <li class="md-nav__item">
   <a href="#pattern-4-check-if-interface-exists-before-configuring" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 4: Check if interface exists before configuring
+      
+        Pattern 4: Check if interface exists before configuring
+      
     </span>
   </a>
   
@@ -1355,7 +1572,9 @@
         <li class="md-nav__item">
   <a href="#configuration-operations" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuration Operations
+      
+        Configuration Operations
+      
     </span>
   </a>
   
@@ -1365,7 +1584,9 @@
           <li class="md-nav__item">
   <a href="#read-hostname" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Hostname
+      
+        Read Hostname
+      
     </span>
   </a>
   
@@ -1374,7 +1595,9 @@
           <li class="md-nav__item">
   <a href="#set-hostname" class="md-nav__link">
     <span class="md-ellipsis">
-      Set Hostname
+      
+        Set Hostname
+      
     </span>
   </a>
   
@@ -1383,7 +1606,9 @@
           <li class="md-nav__item">
   <a href="#add-ip-address-to-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      Add IP Address to Interface
+      
+        Add IP Address to Interface
+      
     </span>
   </a>
   
@@ -1392,7 +1617,9 @@
           <li class="md-nav__item">
   <a href="#delete-ip-address-from-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      Delete IP Address from Interface
+      
+        Delete IP Address from Interface
+      
     </span>
   </a>
   
@@ -1401,7 +1628,9 @@
           <li class="md-nav__item">
   <a href="#copy-running-to-startup" class="md-nav__link">
     <span class="md-ellipsis">
-      Copy Running to Startup
+      
+        Copy Running to Startup
+      
     </span>
   </a>
   
@@ -1415,7 +1644,9 @@
         <li class="md-nav__item">
   <a href="#operational-data" class="md-nav__link">
     <span class="md-ellipsis">
-      Operational Data
+      
+        Operational Data
+      
     </span>
   </a>
   
@@ -1425,7 +1656,9 @@
           <li class="md-nav__item">
   <a href="#read-interface-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Interface Configuration
+      
+        Read Interface Configuration
+      
     </span>
   </a>
   
@@ -1434,7 +1667,9 @@
           <li class="md-nav__item">
   <a href="#read-interface-operational-state" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Interface Operational State
+      
+        Read Interface Operational State
+      
     </span>
   </a>
   
@@ -1443,7 +1678,9 @@
           <li class="md-nav__item">
   <a href="#read-interface-statistics" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Interface Statistics
+      
+        Read Interface Statistics
+      
     </span>
   </a>
   
@@ -1452,7 +1689,9 @@
           <li class="md-nav__item">
   <a href="#list-all-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      List All Interfaces
+      
+        List All Interfaces
+      
     </span>
   </a>
   
@@ -1461,7 +1700,9 @@
           <li class="md-nav__item">
   <a href="#read-routing-table" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Routing Table
+      
+        Read Routing Table
+      
     </span>
   </a>
   
@@ -1470,7 +1711,9 @@
           <li class="md-nav__item">
   <a href="#read-ospf-state" class="md-nav__link">
     <span class="md-ellipsis">
-      Read OSPF State
+      
+        Read OSPF State
+      
     </span>
   </a>
   
@@ -1484,7 +1727,9 @@
         <li class="md-nav__item">
   <a href="#system-operations-rpcs" class="md-nav__link">
     <span class="md-ellipsis">
-      System Operations (RPCs)
+      
+        System Operations (RPCs)
+      
     </span>
   </a>
   
@@ -1494,7 +1739,9 @@
           <li class="md-nav__item">
   <a href="#factory-reset" class="md-nav__link">
     <span class="md-ellipsis">
-      Factory Reset
+      
+        Factory Reset
+      
     </span>
   </a>
   
@@ -1503,7 +1750,9 @@
           <li class="md-nav__item">
   <a href="#system-reboot" class="md-nav__link">
     <span class="md-ellipsis">
-      System Reboot
+      
+        System Reboot
+      
     </span>
   </a>
   
@@ -1512,7 +1761,9 @@
           <li class="md-nav__item">
   <a href="#set-date-and-time" class="md-nav__link">
     <span class="md-ellipsis">
-      Set Date and Time
+      
+        Set Date and Time
+      
     </span>
   </a>
   
@@ -1526,7 +1777,9 @@
         <li class="md-nav__item">
   <a href="#advanced-examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Advanced Examples
+      
+        Advanced Examples
+      
     </span>
   </a>
   
@@ -1536,7 +1789,9 @@
           <li class="md-nav__item">
   <a href="#makefile-for-common-operations" class="md-nav__link">
     <span class="md-ellipsis">
-      Makefile for Common Operations
+      
+        Makefile for Common Operations
+      
     </span>
   </a>
   
@@ -1545,7 +1800,9 @@
           <li class="md-nav__item">
   <a href="#monitoring-interface-traffic" class="md-nav__link">
     <span class="md-ellipsis">
-      Monitoring Interface Traffic
+      
+        Monitoring Interface Traffic
+      
     </span>
   </a>
   
@@ -1559,7 +1816,9 @@
         <li class="md-nav__item">
   <a href="#references" class="md-nav__link">
     <span class="md-ellipsis">
-      References
+      
+        References
+      
     </span>
   </a>
   
@@ -1622,10 +1881,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1633,7 +1897,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1649,10 +1917,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1672,10 +1945,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1695,10 +1973,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1718,10 +2001,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1741,10 +2029,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1764,10 +2057,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1787,10 +2085,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1810,10 +2113,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1840,10 +2148,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1879,7 +2192,9 @@
         <li class="md-nav__item">
   <a href="#helper-script" class="md-nav__link">
     <span class="md-ellipsis">
-      Helper Script
+      
+        Helper Script
+      
     </span>
   </a>
   
@@ -1888,7 +2203,9 @@
         <li class="md-nav__item">
   <a href="#discovery-common-patterns" class="md-nav__link">
     <span class="md-ellipsis">
-      Discovery &amp; Common Patterns
+      
+        Discovery &amp; Common Patterns
+      
     </span>
   </a>
   
@@ -1898,7 +2215,9 @@
           <li class="md-nav__item">
   <a href="#discovering-available-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      Discovering Available Interfaces
+      
+        Discovering Available Interfaces
+      
     </span>
   </a>
   
@@ -1907,7 +2226,9 @@
           <li class="md-nav__item">
   <a href="#get-api-capabilities" class="md-nav__link">
     <span class="md-ellipsis">
-      Get API Capabilities
+      
+        Get API Capabilities
+      
     </span>
   </a>
   
@@ -1916,7 +2237,9 @@
           <li class="md-nav__item">
   <a href="#get-entire-running-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Get Entire Running Configuration
+      
+        Get Entire Running Configuration
+      
     </span>
   </a>
   
@@ -1925,7 +2248,9 @@
           <li class="md-nav__item">
   <a href="#common-workflow-patterns" class="md-nav__link">
     <span class="md-ellipsis">
-      Common Workflow Patterns
+      
+        Common Workflow Patterns
+      
     </span>
   </a>
   
@@ -1935,7 +2260,9 @@
           <li class="md-nav__item">
   <a href="#pattern-1-find-interface-by-ip-address" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 1: Find interface by IP address
+      
+        Pattern 1: Find interface by IP address
+      
     </span>
   </a>
   
@@ -1944,7 +2271,9 @@
           <li class="md-nav__item">
   <a href="#pattern-2-list-all-interfaces-that-are-down" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 2: List all interfaces that are down
+      
+        Pattern 2: List all interfaces that are down
+      
     </span>
   </a>
   
@@ -1953,7 +2282,9 @@
           <li class="md-nav__item">
   <a href="#pattern-3-get-statistics-for-all-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 3: Get statistics for all interfaces
+      
+        Pattern 3: Get statistics for all interfaces
+      
     </span>
   </a>
   
@@ -1962,7 +2293,9 @@
           <li class="md-nav__item">
   <a href="#pattern-4-check-if-interface-exists-before-configuring" class="md-nav__link">
     <span class="md-ellipsis">
-      Pattern 4: Check if interface exists before configuring
+      
+        Pattern 4: Check if interface exists before configuring
+      
     </span>
   </a>
   
@@ -1981,7 +2314,9 @@
         <li class="md-nav__item">
   <a href="#configuration-operations" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuration Operations
+      
+        Configuration Operations
+      
     </span>
   </a>
   
@@ -1991,7 +2326,9 @@
           <li class="md-nav__item">
   <a href="#read-hostname" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Hostname
+      
+        Read Hostname
+      
     </span>
   </a>
   
@@ -2000,7 +2337,9 @@
           <li class="md-nav__item">
   <a href="#set-hostname" class="md-nav__link">
     <span class="md-ellipsis">
-      Set Hostname
+      
+        Set Hostname
+      
     </span>
   </a>
   
@@ -2009,7 +2348,9 @@
           <li class="md-nav__item">
   <a href="#add-ip-address-to-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      Add IP Address to Interface
+      
+        Add IP Address to Interface
+      
     </span>
   </a>
   
@@ -2018,7 +2359,9 @@
           <li class="md-nav__item">
   <a href="#delete-ip-address-from-interface" class="md-nav__link">
     <span class="md-ellipsis">
-      Delete IP Address from Interface
+      
+        Delete IP Address from Interface
+      
     </span>
   </a>
   
@@ -2027,7 +2370,9 @@
           <li class="md-nav__item">
   <a href="#copy-running-to-startup" class="md-nav__link">
     <span class="md-ellipsis">
-      Copy Running to Startup
+      
+        Copy Running to Startup
+      
     </span>
   </a>
   
@@ -2041,7 +2386,9 @@
         <li class="md-nav__item">
   <a href="#operational-data" class="md-nav__link">
     <span class="md-ellipsis">
-      Operational Data
+      
+        Operational Data
+      
     </span>
   </a>
   
@@ -2051,7 +2398,9 @@
           <li class="md-nav__item">
   <a href="#read-interface-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Interface Configuration
+      
+        Read Interface Configuration
+      
     </span>
   </a>
   
@@ -2060,7 +2409,9 @@
           <li class="md-nav__item">
   <a href="#read-interface-operational-state" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Interface Operational State
+      
+        Read Interface Operational State
+      
     </span>
   </a>
   
@@ -2069,7 +2420,9 @@
           <li class="md-nav__item">
   <a href="#read-interface-statistics" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Interface Statistics
+      
+        Read Interface Statistics
+      
     </span>
   </a>
   
@@ -2078,7 +2431,9 @@
           <li class="md-nav__item">
   <a href="#list-all-interfaces" class="md-nav__link">
     <span class="md-ellipsis">
-      List All Interfaces
+      
+        List All Interfaces
+      
     </span>
   </a>
   
@@ -2087,7 +2442,9 @@
           <li class="md-nav__item">
   <a href="#read-routing-table" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Routing Table
+      
+        Read Routing Table
+      
     </span>
   </a>
   
@@ -2096,7 +2453,9 @@
           <li class="md-nav__item">
   <a href="#read-ospf-state" class="md-nav__link">
     <span class="md-ellipsis">
-      Read OSPF State
+      
+        Read OSPF State
+      
     </span>
   </a>
   
@@ -2110,7 +2469,9 @@
         <li class="md-nav__item">
   <a href="#system-operations-rpcs" class="md-nav__link">
     <span class="md-ellipsis">
-      System Operations (RPCs)
+      
+        System Operations (RPCs)
+      
     </span>
   </a>
   
@@ -2120,7 +2481,9 @@
           <li class="md-nav__item">
   <a href="#factory-reset" class="md-nav__link">
     <span class="md-ellipsis">
-      Factory Reset
+      
+        Factory Reset
+      
     </span>
   </a>
   
@@ -2129,7 +2492,9 @@
           <li class="md-nav__item">
   <a href="#system-reboot" class="md-nav__link">
     <span class="md-ellipsis">
-      System Reboot
+      
+        System Reboot
+      
     </span>
   </a>
   
@@ -2138,7 +2503,9 @@
           <li class="md-nav__item">
   <a href="#set-date-and-time" class="md-nav__link">
     <span class="md-ellipsis">
-      Set Date and Time
+      
+        Set Date and Time
+      
     </span>
   </a>
   
@@ -2152,7 +2519,9 @@
         <li class="md-nav__item">
   <a href="#advanced-examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Advanced Examples
+      
+        Advanced Examples
+      
     </span>
   </a>
   
@@ -2162,7 +2531,9 @@
           <li class="md-nav__item">
   <a href="#makefile-for-common-operations" class="md-nav__link">
     <span class="md-ellipsis">
-      Makefile for Common Operations
+      
+        Makefile for Common Operations
+      
     </span>
   </a>
   
@@ -2171,7 +2542,9 @@
           <li class="md-nav__item">
   <a href="#monitoring-interface-traffic" class="md-nav__link">
     <span class="md-ellipsis">
-      Monitoring Interface Traffic
+      
+        Monitoring Interface Traffic
+      
     </span>
   </a>
   
@@ -2185,7 +2558,9 @@
         <li class="md-nav__item">
   <a href="#references" class="md-nav__link">
     <span class="md-ellipsis">
-      References
+      
+        References
+      
     </span>
   </a>
   
@@ -2201,6 +2576,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../scripting/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Scripting
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2594,10 +3018,11 @@ interface statistics and piping to <code>ttyplot</code> for visualization. Insta
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/scripting-sysrepocfg/index.html b/dev/scripting-sysrepocfg/index.html
index 15ce7860..b825581b 100644
--- a/dev/scripting-sysrepocfg/index.html
+++ b/dev/scripting-sysrepocfg/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../scripting-prod/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1087,10 +1245,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1098,7 +1261,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1114,10 +1281,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1146,10 +1318,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1159,10 +1336,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1184,7 +1366,9 @@
         <li class="md-nav__item">
   <a href="#factory-reset" class="md-nav__link">
     <span class="md-ellipsis">
-      Factory Reset
+      
+        Factory Reset
+      
     </span>
   </a>
   
@@ -1193,7 +1377,9 @@
         <li class="md-nav__item">
   <a href="#system-reboot" class="md-nav__link">
     <span class="md-ellipsis">
-      System Reboot
+      
+        System Reboot
+      
     </span>
   </a>
   
@@ -1202,7 +1388,9 @@
         <li class="md-nav__item">
   <a href="#set-date-and-time" class="md-nav__link">
     <span class="md-ellipsis">
-      Set Date and Time
+      
+        Set Date and Time
+      
     </span>
   </a>
   
@@ -1211,7 +1399,9 @@
         <li class="md-nav__item">
   <a href="#remote-control-of-ethernet-ports" class="md-nav__link">
     <span class="md-ellipsis">
-      Remote Control of Ethernet Ports
+      
+        Remote Control of Ethernet Ports
+      
     </span>
   </a>
   
@@ -1220,7 +1410,9 @@
         <li class="md-nav__item">
   <a href="#enabledisable-dhcpv4-client" class="md-nav__link">
     <span class="md-ellipsis">
-      Enable/Disable DHCPv4 client
+      
+        Enable/Disable DHCPv4 client
+      
     </span>
   </a>
   
@@ -1229,7 +1421,9 @@
         <li class="md-nav__item">
   <a href="#enabledisable-ipv6" class="md-nav__link">
     <span class="md-ellipsis">
-      Enable/Disable IPv6
+      
+        Enable/Disable IPv6
+      
     </span>
   </a>
   
@@ -1238,7 +1432,9 @@
         <li class="md-nav__item">
   <a href="#change-a-binary-setting" class="md-nav__link">
     <span class="md-ellipsis">
-      Change a Binary Setting
+      
+        Change a Binary Setting
+      
     </span>
   </a>
   
@@ -1247,7 +1443,9 @@
         <li class="md-nav__item">
   <a href="#backup-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Backup Configuration
+      
+        Backup Configuration
+      
     </span>
   </a>
   
@@ -1256,7 +1454,9 @@
         <li class="md-nav__item">
   <a href="#restore-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Restore Configuration
+      
+        Restore Configuration
+      
     </span>
   </a>
   
@@ -1265,7 +1465,9 @@
         <li class="md-nav__item">
   <a href="#copy-running-to-startup" class="md-nav__link">
     <span class="md-ellipsis">
-      Copy Running to Startup
+      
+        Copy Running to Startup
+      
     </span>
   </a>
   
@@ -1274,7 +1476,9 @@
         <li class="md-nav__item">
   <a href="#read-hardware-information" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Hardware Information
+      
+        Read Hardware Information
+      
     </span>
   </a>
   
@@ -1301,10 +1505,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1324,10 +1533,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1347,10 +1561,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1406,10 +1625,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1417,7 +1641,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1433,10 +1661,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1456,10 +1689,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1479,10 +1717,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1502,10 +1745,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1525,10 +1773,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1548,10 +1801,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1571,10 +1829,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1594,10 +1857,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1624,10 +1892,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1663,7 +1936,9 @@
         <li class="md-nav__item">
   <a href="#factory-reset" class="md-nav__link">
     <span class="md-ellipsis">
-      Factory Reset
+      
+        Factory Reset
+      
     </span>
   </a>
   
@@ -1672,7 +1947,9 @@
         <li class="md-nav__item">
   <a href="#system-reboot" class="md-nav__link">
     <span class="md-ellipsis">
-      System Reboot
+      
+        System Reboot
+      
     </span>
   </a>
   
@@ -1681,7 +1958,9 @@
         <li class="md-nav__item">
   <a href="#set-date-and-time" class="md-nav__link">
     <span class="md-ellipsis">
-      Set Date and Time
+      
+        Set Date and Time
+      
     </span>
   </a>
   
@@ -1690,7 +1969,9 @@
         <li class="md-nav__item">
   <a href="#remote-control-of-ethernet-ports" class="md-nav__link">
     <span class="md-ellipsis">
-      Remote Control of Ethernet Ports
+      
+        Remote Control of Ethernet Ports
+      
     </span>
   </a>
   
@@ -1699,7 +1980,9 @@
         <li class="md-nav__item">
   <a href="#enabledisable-dhcpv4-client" class="md-nav__link">
     <span class="md-ellipsis">
-      Enable/Disable DHCPv4 client
+      
+        Enable/Disable DHCPv4 client
+      
     </span>
   </a>
   
@@ -1708,7 +1991,9 @@
         <li class="md-nav__item">
   <a href="#enabledisable-ipv6" class="md-nav__link">
     <span class="md-ellipsis">
-      Enable/Disable IPv6
+      
+        Enable/Disable IPv6
+      
     </span>
   </a>
   
@@ -1717,7 +2002,9 @@
         <li class="md-nav__item">
   <a href="#change-a-binary-setting" class="md-nav__link">
     <span class="md-ellipsis">
-      Change a Binary Setting
+      
+        Change a Binary Setting
+      
     </span>
   </a>
   
@@ -1726,7 +2013,9 @@
         <li class="md-nav__item">
   <a href="#backup-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Backup Configuration
+      
+        Backup Configuration
+      
     </span>
   </a>
   
@@ -1735,7 +2024,9 @@
         <li class="md-nav__item">
   <a href="#restore-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Restore Configuration
+      
+        Restore Configuration
+      
     </span>
   </a>
   
@@ -1744,7 +2035,9 @@
         <li class="md-nav__item">
   <a href="#copy-running-to-startup" class="md-nav__link">
     <span class="md-ellipsis">
-      Copy Running to Startup
+      
+        Copy Running to Startup
+      
     </span>
   </a>
   
@@ -1753,7 +2046,9 @@
         <li class="md-nav__item">
   <a href="#read-hardware-information" class="md-nav__link">
     <span class="md-ellipsis">
-      Read Hardware Information
+      
+        Read Hardware Information
+      
     </span>
   </a>
   
@@ -1769,6 +2064,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../scripting/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Scripting
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2194,10 +2538,11 @@ YANG models.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/scripting/index.html b/dev/scripting/index.html
index 3cf09c8b..91ebb51b 100644
--- a/dev/scripting/index.html
+++ b/dev/scripting/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../scripting-sysrepocfg/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
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+    
+  
     Services
+  
+
     
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+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1087,10 +1245,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1098,7 +1261,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1123,10 +1290,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1136,10 +1308,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1161,7 +1338,9 @@
         <li class="md-nav__item">
   <a href="#tips" class="md-nav__link">
     <span class="md-ellipsis">
-      Tips
+      
+        Tips
+      
     </span>
   </a>
   
@@ -1170,7 +1349,9 @@
         <li class="md-nav__item">
   <a href="#admin-user-not-authorized" class="md-nav__link">
     <span class="md-ellipsis">
-      Admin User Not Authorized
+      
+        Admin User Not Authorized
+      
     </span>
   </a>
   
@@ -1179,7 +1360,9 @@
         <li class="md-nav__item">
   <a href="#examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Examples
+      
+        Examples
+      
     </span>
   </a>
   
@@ -1189,7 +1372,9 @@
           <li class="md-nav__item">
   <a href="#logging-in-to-a-device" class="md-nav__link">
     <span class="md-ellipsis">
-      Logging in to a device
+      
+        Logging in to a device
+      
     </span>
   </a>
   
@@ -1198,7 +1383,9 @@
           <li class="md-nav__item">
   <a href="#running-a-remote-command" class="md-nav__link">
     <span class="md-ellipsis">
-      Running a remote command
+      
+        Running a remote command
+      
     </span>
   </a>
   
@@ -1207,7 +1394,9 @@
           <li class="md-nav__item">
   <a href="#made-easy-with-mdns" class="md-nav__link">
     <span class="md-ellipsis">
-      Made Easy with mDNS
+      
+        Made Easy with mDNS
+      
     </span>
   </a>
   
@@ -1221,7 +1410,9 @@
         <li class="md-nav__item">
   <a href="#factory-reset" class="md-nav__link">
     <span class="md-ellipsis">
-      Factory Reset
+      
+        Factory Reset
+      
     </span>
   </a>
   
@@ -1230,7 +1421,9 @@
         <li class="md-nav__item">
   <a href="#system-reboot" class="md-nav__link">
     <span class="md-ellipsis">
-      System Reboot
+      
+        System Reboot
+      
     </span>
   </a>
   
@@ -1239,7 +1432,9 @@
         <li class="md-nav__item">
   <a href="#set-date-and-time" class="md-nav__link">
     <span class="md-ellipsis">
-      Set Date and Time
+      
+        Set Date and Time
+      
     </span>
   </a>
   
@@ -1248,7 +1443,9 @@
         <li class="md-nav__item">
   <a href="#remote-control-of-ethernet-ports" class="md-nav__link">
     <span class="md-ellipsis">
-      Remote Control of Ethernet Ports
+      
+        Remote Control of Ethernet Ports
+      
     </span>
   </a>
   
@@ -1257,7 +1454,9 @@
         <li class="md-nav__item">
   <a href="#check-network-connectivity" class="md-nav__link">
     <span class="md-ellipsis">
-      Check Network Connectivity
+      
+        Check Network Connectivity
+      
     </span>
   </a>
   
@@ -1266,7 +1465,9 @@
         <li class="md-nav__item">
   <a href="#system-upgrade" class="md-nav__link">
     <span class="md-ellipsis">
-      System Upgrade
+      
+        System Upgrade
+      
     </span>
   </a>
   
@@ -1275,7 +1476,9 @@
         <li class="md-nav__item">
   <a href="#controlling-leds" class="md-nav__link">
     <span class="md-ellipsis">
-      Controlling LEDs
+      
+        Controlling LEDs
+      
     </span>
   </a>
   
@@ -1284,7 +1487,9 @@
         <li class="md-nav__item">
   <a href="#reading-power-feed-status" class="md-nav__link">
     <span class="md-ellipsis">
-      Reading Power Feed Status
+      
+        Reading Power Feed Status
+      
     </span>
   </a>
   
@@ -1311,10 +1516,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1334,10 +1544,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1357,10 +1572,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1380,10 +1600,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1439,10 +1664,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1450,7 +1680,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1466,10 +1700,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1489,10 +1728,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1512,10 +1756,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1535,10 +1784,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1558,10 +1812,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1581,10 +1840,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1604,10 +1868,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1627,10 +1896,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1657,10 +1931,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1696,7 +1975,9 @@
         <li class="md-nav__item">
   <a href="#tips" class="md-nav__link">
     <span class="md-ellipsis">
-      Tips
+      
+        Tips
+      
     </span>
   </a>
   
@@ -1705,7 +1986,9 @@
         <li class="md-nav__item">
   <a href="#admin-user-not-authorized" class="md-nav__link">
     <span class="md-ellipsis">
-      Admin User Not Authorized
+      
+        Admin User Not Authorized
+      
     </span>
   </a>
   
@@ -1714,7 +1997,9 @@
         <li class="md-nav__item">
   <a href="#examples" class="md-nav__link">
     <span class="md-ellipsis">
-      Examples
+      
+        Examples
+      
     </span>
   </a>
   
@@ -1724,7 +2009,9 @@
           <li class="md-nav__item">
   <a href="#logging-in-to-a-device" class="md-nav__link">
     <span class="md-ellipsis">
-      Logging in to a device
+      
+        Logging in to a device
+      
     </span>
   </a>
   
@@ -1733,7 +2020,9 @@
           <li class="md-nav__item">
   <a href="#running-a-remote-command" class="md-nav__link">
     <span class="md-ellipsis">
-      Running a remote command
+      
+        Running a remote command
+      
     </span>
   </a>
   
@@ -1742,7 +2031,9 @@
           <li class="md-nav__item">
   <a href="#made-easy-with-mdns" class="md-nav__link">
     <span class="md-ellipsis">
-      Made Easy with mDNS
+      
+        Made Easy with mDNS
+      
     </span>
   </a>
   
@@ -1756,7 +2047,9 @@
         <li class="md-nav__item">
   <a href="#factory-reset" class="md-nav__link">
     <span class="md-ellipsis">
-      Factory Reset
+      
+        Factory Reset
+      
     </span>
   </a>
   
@@ -1765,7 +2058,9 @@
         <li class="md-nav__item">
   <a href="#system-reboot" class="md-nav__link">
     <span class="md-ellipsis">
-      System Reboot
+      
+        System Reboot
+      
     </span>
   </a>
   
@@ -1774,7 +2069,9 @@
         <li class="md-nav__item">
   <a href="#set-date-and-time" class="md-nav__link">
     <span class="md-ellipsis">
-      Set Date and Time
+      
+        Set Date and Time
+      
     </span>
   </a>
   
@@ -1783,7 +2080,9 @@
         <li class="md-nav__item">
   <a href="#remote-control-of-ethernet-ports" class="md-nav__link">
     <span class="md-ellipsis">
-      Remote Control of Ethernet Ports
+      
+        Remote Control of Ethernet Ports
+      
     </span>
   </a>
   
@@ -1792,7 +2091,9 @@
         <li class="md-nav__item">
   <a href="#check-network-connectivity" class="md-nav__link">
     <span class="md-ellipsis">
-      Check Network Connectivity
+      
+        Check Network Connectivity
+      
     </span>
   </a>
   
@@ -1801,7 +2102,9 @@
         <li class="md-nav__item">
   <a href="#system-upgrade" class="md-nav__link">
     <span class="md-ellipsis">
-      System Upgrade
+      
+        System Upgrade
+      
     </span>
   </a>
   
@@ -1810,7 +2113,9 @@
         <li class="md-nav__item">
   <a href="#controlling-leds" class="md-nav__link">
     <span class="md-ellipsis">
-      Controlling LEDs
+      
+        Controlling LEDs
+      
     </span>
   </a>
   
@@ -1819,7 +2124,9 @@
         <li class="md-nav__item">
   <a href="#reading-power-feed-status" class="md-nav__link">
     <span class="md-ellipsis">
-      Reading Power Feed Status
+      
+        Reading Power Feed Status
+      
     </span>
   </a>
   
@@ -1835,6 +2142,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="./" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Scripting
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2195,10 +2551,11 @@ status, as well as interface index.&nbsp;<a class="footnote-backref" href="#fnre
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/search/search_index.json b/dev/search/search_index.json
index 126bee7e..40dc50d8 100644
--- a/dev/search/search_index.json
+++ b/dev/search/search_index.json
@@ -1 +1 @@
-{"config":{"lang":["en"],"separator":"[\\s\\-]+","pipeline":["stopWordFilter"]},"docs":[{"location":"","title":"Introduction","text":""},{"location":"#introduction","title":"Introduction","text":"<p>Welcome to Infix, your immutable, friendly, and secure operating system! On these pages you can find both user and developer documentation.</p> <p>Most topics on configuring the system include CLI examples, but every setting, as well as status read-back from the operational datastore, is also possible to perform using NETCONF or RESTCONF.  In fact, the Infix regression test system solely relies on NETCONF and RESTCONF.</p> <p>Tip</p> <p>The CLI documentation is also available from inside the CLI itself using the <code>help</code> command in admin-exec mode.</p> <p>This document provides an introduction of key concepts, details how the system boots, including failure modes, and provides links to other documents for further study.</p>"},{"location":"#command-line-interface","title":"Command Line Interface","text":"<p>The command line interface (CLI, see-ell-i) is the traditional way of interacting with single network equipment like switches and routers. Today users have come to expect more advanced graphical GUIs, like a web interface, to manage a device or NETCONF-based tools that allow for managing entire fleets of installed equipment.</p> <p>Nevertheless, when it comes to initial deployment and debugging, it is very useful to know how to navigate and use the CLI.</p> <p>Info</p> <p>For more information, see the CLI Introduction and the CLI Configuration Tutorial.</p>"},{"location":"#key-concepts","title":"Key Concepts","text":"<p>The two modes in the CLI are the admin-exec and the configure context.</p> <p>However, when logging in to the system, from the console port or SSH, you land in a standard UNIX shell, Bash.  This is for advanced users and remote scripting purposes (production equipment):</p> <pre><code>    Run the command 'cli' for interactive OAM\n\n    admin@example:~$\n</code></pre> <p>To enter the CLI, follow the instructions, for interactive Operations, Administration, and Management (OAM), type:</p> <pre><code>    admin@example:~$ cli\n    admin@example:/&gt;\n</code></pre> <p>The prompt, constructed from your username and the device's hostname, changes slightly.  You are now in the admin-exec context of the CLI. Here you can inspect system status and do operations to debug networking issues, e.g. ping.  You can also enter configure context by typing: <code>configure</code> followed by commands to <code>set</code>, <code>edit</code>, apply changes using <code>leave</code>, or <code>abort</code> and return to admin-exec.</p> <p>Tip</p> <p>If you haven't already, the CLI Introduction would be useful to skim through at this point.</p>"},{"location":"#datastores","title":"Datastores","text":"<p>The system has several datastores (or files):</p> <ul> <li><code>factory-config</code> consists of a set of default configurations, some    static and others generated per-device, e.g., a unique hostname and    number of ports/interfaces.   This file is generated at boot.</li> <li><code>failure-config</code> is also generated at boot, from the same YANG models    as <code>factory-config</code>, and holds the system Fail Secure Mode</li> <li><code>startup-config</code> is created from <code>factory-config</code> at boot if it does    not exist.  It is loaded as the system configuration on each boot.</li> <li><code>running-config</code> is what is actively running on the system.  If no    changes have been made since the system booted, it is the same as    <code>startup-config</code>.</li> <li><code>candidate-config</code> is created from <code>running-config</code> when entering the    configure context.  Any changes made here can be discarded (<code>abort</code>,    <code>rollback</code>) or committed (<code>commit</code>, <code>leave</code>) to <code>running-config</code>.</li> </ul> <p>Tip</p> <p>Please see the Branding &amp; Releases document for more in-depth information on how <code>factory-config</code> and <code>failure-config</code> can be adapted to different customer requirements.  Including how you can override the generated versions of these files with plain per-product ones -- this may even protect against some of the failure modes below.</p>"},{"location":"boot/","title":"Boot Procedure","text":""},{"location":"boot/#boot-procedure","title":"Boot Procedure","text":"<p>Systems running Infix will typically boot in multiple phases, forming a boot chain. Each link in the chain has three main responsibilities:</p> <ol> <li>Ensuring the integrity of the next link before passing control to    it. This avoids silent failures stemming from data corruption.</li> <li>Ensuring the authenticity of the next link before passing control    to it, commonly referred to as Secure Boot. This protects against    malicious attempts to modify a system's firmware.</li> <li>Preparing the system state according to the requirements of the    next link. E.g. the Linux kernel requires the system's RAM to be    operational.</li> </ol> <p>A typical chain consists of four stages:</p> <pre><code>    .---------.\n    |   ROM   &gt;---.   Determine the location of and load the SPL\n    '---------'   |\n.-----------------'\n|   .---------.\n'---&gt;   SPL   &gt;---.   Perform DDR training and load the TPL\n    '---------'   |\n.-----------------'\n|   .---------.\n'---&gt;   TPL   &gt;---.   Load Linux kernel, device tree, and root filesystem\n    '---------'   |\n.-----------------'\n|   .---------.\n'---&gt;  Infix  |       Get down to business\n    '---------'\n</code></pre> <p>After a reset, hardware will pass control to a program (ROM) which is almost always programmed into the SoC by the vendor.  This program will determine the location of the Secondary Program Loader (SPL), typically by reading a set of Sample at Reset (SaR) pins.</p> <p>The SPL is sometimes provided by the SoC vendor in binary form, and is sometimes built as a part of the Tertiary Program Loader (TPL) build.  Its main responsibility is usually to set up the system's memory controller and perform DDR training, if required, before loading the TPL.</p> <p>Commonly referred to as the system's bootloader, the TPL is responsible for preparing the execution environment required by the Linux kernel.</p> <p>This document's focus is to describe the final two phases of the boot chain, as the initial phases are very hardware dependent, better described by existing documentation provided by the SoC vendor.</p>"},{"location":"boot/#bootloader","title":"Bootloader","text":""},{"location":"boot/#configuration","title":"Configuration","text":"<p>To mitigate the risk of a malicious user being able to circumvent the bootloader's validation procedure, user configuration is kept to a minimum.  Two settings are available:</p> <p>Boot order: Since Infix maintains two copies of its software image, and as some bootloaders support netbooting, the order in which boot sources are considered can be configured. To select the active source, use RAUC:</p> <pre><code>root@example:~# rauc status mark-active &lt;slot&gt;\n...\n</code></pre> <p>Where <code>&lt;slot&gt;</code> is one of:</p> <code>&lt;slot&gt;</code> Source <code>rootfs.0</code> Primary partition <code>rootfs.1</code> Secondary partition <code>net.0</code> Netboot (where supported) <p>Debug: By default, the kernel will only output errors to the console during boot. Optionally, this can be altered such that all enabled messages are logged.</p> <p>On systems using U-Boot, this can be enabled by running <code>fw_setenv DEBUG 1</code>. To restore the default behavior, run <code>fw_setenv DEBUG</code>.</p> <p>On systems running GRUB, this can be enabled by running:</p> <pre><code>root@example:~# grub-editenv /mnt/aux/grub/grubenv set DEBUG=1\n</code></pre> <p>To restore the default behavior, run:</p> <pre><code>root@example:~# grub-editenv /mnt/aux/grub/grubenv unset DEBUG\n</code></pre>"},{"location":"boot/#u-boot","title":"U-Boot","text":"<p>Used on aarch64 based systems.  It is able to verify both the integrity and authenticity of an Infix image.  As such, it can be used as a part of a Secure Boot chain, given that the preceding links are able to do the same.</p> <p>Supports booting Infix from a block device using the Disk Image layout. Currently, Virtio and MMC disks are supported.</p> <p>An FIT Framed Squash Image can be used to boot Infix over the network.  DHCP is used to configure the network and TFTP to transfer the image to the system's RAM.</p> <p>Access to U-Boot's shell is disabled to prevent side-loading of malicious software.  To configure the active boot partition, refer to the Bootloader Configuration section.</p>"},{"location":"boot/#grub","title":"GRUB","text":"<p>Used on x86_64 based systems.  Neither the integrity nor the authenticity of the Infix image is verified.  It is only intended to provide a way of booting a Disk Image, such that a standard System Upgrade can be performed on virtualized instances.</p> <p>Access to the GRUB shell is not limited in any way, and the boot partition can be selected interactively at boot using the arrow keys. It is also possible to permanently configure the default partition from Infix using the Bootloader Configuration.</p>"},{"location":"boot/#system-boot","title":"System Boot","text":"<p>After the system firmware (BIOS or and boot loader start Linux the following happens.  The various failure modes, e.g., missing password in VPD, are detailed later in this section.</p> <p></p> <ol> <li>Before mounting <code>/cfg</code> and <code>/var</code> partitions, hosting read-writable    data like <code>startup-config</code> and container images, the system first    checks if a factory reset has been requested by the user, if so it    wipes the contents of these partitions</li> <li>Linux boots with a device tree which is used for detecting generic    make and model of the device, e.g., number of interfaces.  It may    also reference an EEPROM with Vital Product Data.  That is    where the base MAC address and per-device password hash is stored.    (Generic builds use the same MAC address and password)</li> <li>On every boot the system's <code>factory-config</code> and <code>failure-config</code> are    generated from the YANG<sup>2</sup> models of the current firmware version.    This ensures that a factory reset device can always boot, and that    there is a working fail safe, or rather fail secure, mode</li> <li>On first power-on, and after a factory reset, the system does not    have a <code>startup-config</code>, in which case <code>factory-config</code> is copied    to <code>startup-config</code> -- if a per-product specific version exists it    is preferred over the generated one</li> <li>Provided the integrity of the <code>startup-config</code> is OK, a system    service loads and activates the configuration</li> </ol>"},{"location":"boot/#failure-modes","title":"Failure Modes","text":"<p>So, what happens if any of the steps above fail?</p>"},{"location":"boot/#vpd-fail","title":"VPD Fail","text":"<p>The per-device password cannot be read, or is corrupt, so the system <code>factory-config</code> and <code>failure-config</code> are not generated:</p> <ol> <li>First boot, or after factory reset: <code>startup-config</code> cannot be    created or loaded, and <code>failure-config</code> cannot be loaded.  The    system ends up in an unrecoverable state, i.e., RMA<sup>3</sup> Mode</li> <li>The system has booted (at least) once with correct VPD and password    and already has a <code>startup-config</code>.  Provided the <code>startup-config</code>    is OK (see below), it is loaded and system boots successfully</li> </ol> <p>In both cases, external factory reset modes/button will not help, and in the second case will cause the device to fail on the next boot.</p> <p>Note</p> <p>The second case does not yet have any warning or event that can be detected from the outside.  This is planned for a later release.</p>"},{"location":"boot/#broken-startup-config","title":"Broken startup-config","text":"<p>If loading <code>startup-config</code> fails for some reason, e.g., invalid JSON syntax, failed validation against the system's YANG model, or a bug in the system's <code>confd</code> service, the Fail Secure Mode is triggered and <code>failure-config</code> is loaded (unless VPD Failure, see above).</p> <p>Tip</p> <p>Please see the Branding &amp; Releases document for how to provide per-product <code>failure-config</code>, or <code>factory-config</code> to suit your product's preferences.</p> <p>Fail Secure Mode is a fail-safe mode provided for debugging the system.  The default<sup>4</sup> creates a setup of isolated interfaces with communication only to the management CPU, SSH and console login using the device's factory reset password, IP connectivity only using IPv6 link-local, and device discovery protocols: LLDP, mDNS-SD.  The login and shell prompt are set to <code>failure-c0-ff-ee</code>, the last three octets of the device's base MAC address.</p>"},{"location":"boot/#system-upgrade","title":"System Upgrade","text":"<p>Much of the minutiae of software upgrades is delegated to RAUC, which offers lots of benefits out-of-the-box:</p> <ul> <li>Upgrade Bundles are always signed, such that their authenticity can   be verified by the running operating system, before the new one is   installed.</li> <li>The bureaucracy of interfacing with different bootloaders, manage   the boot order, is a simple matter of providing a compatible   configuration.</li> <li>Updates can be sourced from the local filesystem (including external   media like USB sticks or SD-cards) and from remote servers using FTP   or HTTP(S).</li> </ul> <p>To initiate a system upgrade from the shell<sup>1</sup>, run:</p> <pre><code>root@example:~# rauc install &lt;file|url&gt;\n...\n</code></pre> <p>Where the file or URL points to a RAUC Upgrade Bundle.</p> <p>This will upgrade the partition not currently running.  After a successful upgrade is completed, you can reboot your system, which will then boot from the newly installed image.  Since the partition from which you were originally running is now inactive, running the same upgrade command again will bring both partitions into sync.</p>"},{"location":"boot/#image-formats","title":"Image Formats","text":""},{"location":"boot/#squashfs-image","title":"SquashFS Image","text":"<p>Canonical Name: <code>rootfs.squashfs</code></p> <p>The central read-only filesystem image containing Infix's Linux kernel, device trees, and root filesystem. All other images bundle this image, or is dependent on it, in one way or another.</p> <p>On its own, it can be used as an initrd to efficiently boot a virtual instance of Infix.</p>"},{"location":"boot/#fit-framed-squash-image","title":"FIT Framed Squash Image","text":"<p>Canonical Name: <code>rootfs.itb</code></p> <p>As the name suggests, this is essentially the Squash FS Image with a Flattened Image Tree (FIT) header.  Being a native format to U-Boot, using this framing allows us to verify the integrity and authenticity of the SquashFS image using standard U-Boot primitives.</p> <p>In contrast to most FIT images, the kernel and device trees are not stored as separate binaries in the image tree.  Instead, Infix follows the standard Linux layout where the kernel and related files are stored in the <code>/boot</code> directory of the filesystem.</p> <p>On disk, this image is then stored broken up into its two components; the FIT header (<code>rootfs.itbh</code>) and the SquashFS image.  The header is stored on the Auxiliary Data partition of the Disk Image, while the SquashFS image is stored in one of the Root Filesystem partitions.</p> <p>When the system boots, U-Boot will concatenate the two parts to validate the SquashFS's contents. This path was chosen because:</p> <ul> <li> <p>Having a separate raw SquashFS means Linux can directly mount it as   the root filesystem.</p> </li> <li> <p>It decouples Infix from U-Boot.  If a better way of validating our   image is introduced, we can switch to it without major changes to   Infix's boot process, as we can still use a regular SquashFS as the   root filesystem.</p> </li> <li> <p>It lets us use standard interfaces to boot Linux, like SYSLINUX.  It   also plays well with traditional bootloaders, like GRUB.</p> </li> </ul> <p>In its full form, it can be used to netboot Infix, as it contains all the information needed by U-Boot in a single file.</p>"},{"location":"boot/#rauc-upgrade-bundle","title":"RAUC Upgrade Bundle","text":"<p>Canonical Name: <code>infix-${ARCH}.pkg</code></p> <p>Itself a SquashFS image, this bundle (sometimes referred to package) contains the Infix SquashFS Image along with the header of the FIT Framed Squash Image, and some supporting files to let RAUC know how install it on the target system.</p> <p>When performing a System Upgrade, this is the format to use.</p>"},{"location":"boot/#disk-image","title":"Disk Image","text":"<p>Canonical Name: <code>disk.img</code></p> <p>Infix runs from a block device (e.g. eMMC or virtio disk) with the following layout. The disk is expected to use the GPT partitioning scheme. Partitions marked with an asterisk are optional.</p> <pre><code>.-----------.\n| GPT Table |\n:-----------:\n|    boot*  |\n:-----------:\n|    aux    |\n:-----------:\n|           |\n|  primary  |\n|           |\n:-----------:\n|           |\n| secondary |\n|           |\n:-----------:\n|    cfg    |\n:-----------:\n|           |\n|    var*   |\n|           |\n'-----------'\n</code></pre>"},{"location":"boot/#boot-bootloader","title":"<code>boot</code> - Bootloader","text":"Parameter Value Required No Size 4 MiB Format Raw binary, as dictated by the hardware <p>Optional partition containing the system's bootloader. May also reside in a separate storage device, e.g. a serial FLASH.</p> <p>On x86_64, this partition holds the EFI system partition, containing the GRUB bootloader.</p>"},{"location":"boot/#aux-auxiliary-data","title":"<code>aux</code> - Auxiliary Data","text":"Parameter Value Required Yes Size 4 MiB Format EXT4 filesystem <p>Holds information that is shared between Infix and its bootloader, such as image signatures required to validate the chain of trust, bootloader configuration etc.</p> <p>Typical layout when using U-Boot bootloader:</p> <pre><code>/\n\u251c primary.itbh\n\u251c secondary.itbh\n\u2514 uboot.env\n</code></pre> <p>During boot, an ITB header along with the corresponding root filesystem image are concatenated in memory, by U-Boot, to form a valid FIT image that is used to verify its integrity and origin before any files are extracted from it.</p> <p>Note that the bootloader's primary environment is bundled in the binary - <code>uboot.env</code> is only used to import a few settings that is required to configure the boot order.</p>"},{"location":"boot/#primarysecondary-root-filesystems","title":"<code>primary</code>/<code>secondary</code> - Root Filesystems","text":"Parameter Value Required Yes Size &gt;= 256 MiB Format Squash filesystem <p>Holds the SquashFS Image. Two copies exist so that an incomplete upgrade does not brick the system, and to allow fast rollbacks when upgrading to a new version.</p>"},{"location":"boot/#cfg-configuration-data","title":"<code>cfg</code> - Configuration Data","text":"Parameter Value Required Yes Size &gt;= 16 MiB Format EXT4 filesystem <p>Non-volatile storage of the system configuration and user data. Concretely, user data is everything stored under <code>/root</code> and <code>/home</code>.</p>"},{"location":"boot/#var-variable-data","title":"<code>var</code> - Variable Data","text":"Parameter Value Required No Size &gt;= 16 MiB Format EXT4 filesystem <p>Persistent storage for everything under <code>/var</code>. This is maintained as a separate filesystem from the data in <code>cfg</code>, because while the system can funtion reasonably well without a persistent <code>/var</code>, loosing <code>/cfg</code> or <code>/etc</code> is much more difficult.</p> <p>If <code>var</code> is not available, Infix will still persist <code>/var/lib</code> using <code>cfg</code> as the backing storage.</p> <ol> <li> <p>See Upgrade &amp; Boot Order for more information.\u00a0\u21a9</p> </li> <li> <p>YANG is a modeling language from IETF, replacing that used for SNMP (MIB), used to describe the subsystems and properties of the system.\u00a0\u21a9</p> </li> <li> <p>Return Merchandise Authorization (RMA), i.e., broken beyond repair by end-user and eligible for return to manufacturer.\u00a0\u21a9</p> </li> <li> <p>Customer specific builds can define their own <code>failure-config</code>. It may be the same as <code>factory-config</code>, with the hostname set to <code>failure</code>, or a dedicated configuration that isolates interfaces, or even disables ports, to ensure that the device does not cause any security problems on the network.  E.g., start forwarding traffic between previously isolated VLANs.\u00a0\u21a9</p> </li> </ol>"},{"location":"branding/","title":"Branding & Releases","text":""},{"location":"branding/#branding-releases","title":"Branding &amp; Releases","text":"<p>This document is for projects using Infix as a br2-external, i.e., OEMs that want to create their own \"Spin\" of Infix.</p>"},{"location":"branding/#branding","title":"Branding","text":"<p>Branding is done in menuconfig, there are several settings affecting it, most are in the Infix external subsection called \"Branding\", but there is also <code>BR2_TARGET_GENERIC_HOSTNAME</code>, which deserves a special mention.</p> <p>The hostname is used for the system default <code>/etc/hostname</code>, which is the base name for the \"unique:ified\" hostname + the last three octets of the base MAC<sup>1</sup> address, e.g., <code>infix-c0-ff-ee</code>.  This in turn is the hostname that is set at first boot and also advertised by device discovery protocols like mDNS-SD and LLDP.</p> <p>See the help texts for the Infix Branding settings to understand which ones are mandatory and which are optional, menuconfig does not check this for you and you may end up with odd results.</p> <p>Verify the result after a build by inspecting:</p> <ul> <li><code>output/images/*</code>: names, missing prefix, etc.</li> <li><code>output/target/etc/os-release</code>: this file is sourced by other build   scripts, e.g., <code>mkgns3a.sh</code>.  For reference, see os-release(5)</li> </ul> <p>Important</p> <p>To get a proper GIT revision (hash) from your OS spin, remember to set in menuconfig <code>INFIX_OEM_PATH</code>.  When unset, the Infix <code>post-build.sh</code> script defaults to the Infix base path.  The revision is stored in the file <code>/etc/os-release</code> as <code>BUILD_ID</code>, also in the file <code>/etc/version</code>. See below for more info.</p>"},{"location":"branding/#factory-failure-config","title":"Factory &amp; Failure Config","text":"<p>To support booting the same image (CPU architecture) on multiple boards, Infix by default generates the device's initial configuration every time at boot.  This also ensures the device can always be restored to a known state after a factory reset, since the <code>factory-config</code> is guaranteed to be compatible with the YANG models for the given software version. (For more information on how the system boots, please see the section Key Concepts in the Introduction document.)</p> <p>However, for custom builds of Infix it is possible to override this with a single static <code>/etc/factory-config.cfg</code> (and failure-config) in your rootfs overlay -- with a VPD you can even support several!</p>"},{"location":"branding/#variables-format-specifiers","title":"Variables &amp; Format Specifiers","text":"<p>Parts of the configuration you likely always want to generated, like the SSH hostkey used by SSH server and NETCONF, a unique hostname, or the <code>admin</code> user's unique (per-device with a VPD) password hash.  This section lists the available keywords, see the next section for examples of how to use them:</p> <ul> <li>Default password hash: <code>$factory$</code> (from VPD, .dtb, or built-in)   XPath: <code>/ietf-system:system/authentication/user/password</code></li> <li>Default SSH and NETCONF hostkey: <code>genkey</code> (regenerated at factory reset)   XPath: <code>/ietf-keystore:keystore/asymmetric-keys/asymmetric-key[name='genkey']</code></li> <li>Hostname format specifiers:   XPath: <code>/ietf-system:system/hostname</code></li> <li><code>%i</code>: OS ID, from <code>/etc/os-release</code>, from Menuconfig branding</li> <li><code>%h</code>: Default hostname, from <code>/etc/os-release</code>, from branding</li> <li><code>%m</code>: NIC specific part of base MAC, e.g., to <code>c0-ff-ee</code></li> <li><code>%%</code>: Literal %</li> </ul>"},{"location":"branding/#static-files","title":"Static Files","text":"<p>Caution</p> <p>Maintaining a static <code>factory-config</code> and <code>failure-config</code> may seem like an obvious choice, but as YANG models evolve (even the IETF models get upgraded), you may need to upgrade your static files.</p> <p>First, for one-off builds (one image per product), the simplest way is to override the location where the system looks for the files, <code>/etc</code> already at build time.  This can be done using a Buildroot rootfs overlay providing, e.g., <code>/etc/factory-config.cfg</code>.  Example: NanoPi R2S in <code>${INFIX}/board/aarch64/r2s/rootfs/etc/factory-config.cfg</code>.</p> <p>Second, to support multiple products in a single image, we can employ another method to install a <code>/etc/factory-config.cfg</code> override -- at runtime.  This relies on the very early system <code>probe</code> that detects the specific product from VPD data.</p> <p>The <code>probe</code> consists of several sequential steps that currently run from <code>${INFIX}/board/common/rootfs/usr/libexec/infix/init.d/</code>.  One of them check if <code>/usr/share/product/&lt;PRODUCT&gt;</code> exists, and if so attempts to copy the entire contents to <code>/</code>.  Here, <code>&lt;PRODUCT&gt;</code> is determined from the VPD, which is available in <code>/run/system.json</code> as <code>\"product-name\"</code>, after <code>00-probe</code> has run. The lower case version of the string is used.</p> <p>I.e., create a rootfs overlay that provides any combination of:</p> <ul> <li><code>/usr/share/product/&lt;PRODUCT&gt;/etc/factory-config.cfg</code></li> <li><code>/usr/share/product/&lt;PRODUCT&gt;/etc/failure-config.cfg</code></li> </ul>"},{"location":"branding/#dynamically-generated","title":"Dynamically Generated","text":"<p>The generated <code>factory-config</code> and <code>failure-config</code> files consist of both static JSON files and part generated files at runtime for each device.  The resulting files are written to the RAM disk in <code>/run</code>:</p> <ul> <li><code>/run/confd/factory-config.gen</code></li> <li><code>/run/confd/failure-config.gen</code></li> </ul> <p>Provided no custom overrides (see above) have been installed already, these files are then copied to:</p> <ul> <li><code>/etc/factory-config.cfg</code></li> <li><code>/etc/failure-config.cfg</code></li> </ul> <p>... where the bootstrap process expects them to be in the next step.</p> <p>Examples of generated contents are the SSH hostkey and hostname.  The latter is constructed from the file <code>/etc/hostname</code>, appended with the last three octets of the system's base MAC address.  To override the base hostname, set <code>BR2_TARGET_GENERIC_HOSTNAME</code> in your defconfig.</p> <p>The static files are installed by Infix <code>confd</code> in <code>/usr/share/confd/</code> at build time.  It contains two subdirectories:</p> <pre><code>/usr/share/confd/\n |- factory.d/\n |  |- 10-foo.json\n |  |- 10-bar.json\n |  `- 10-qux.json\n `- failure.d/\n    |- 10-xyzzy.json\n    `- 10-garply.json\n</code></pre> <p>To override, or extend, these files in you br2-external, set up a rootfs overlay and add it last in <code>BR2_ROOTFS_OVERLAY</code>.  Your overlay can look something like this:</p> <pre><code>./board/common/rootfs/\n  |- etc/\n  |  |- confdrc             # See below\n  |  `- confdrc.local\n  `- usr/\n     `- share/\n        `- confd/\n           |- 10-foo.json   # Override Infix foo\n           |- 30-bar.json   # Extend, probably 10-bar.json\n           `- 30-fred.json  # Extend, your own defaults\n</code></pre> <p>Using the same filename in your overlay, here <code>10-foo.json</code>, completely replaces the contents of the same file provided by Infix.  If you just want to extend, or replace parts of an Infix default, use <code>30-....json</code>. Here the file <code>30-bar.json</code> is just a helpful hit to maintainers of your br2-external that it probably extends Infix' <code>10-bar.json</code>.</p> <p>The reason for the jump in numbers is that 20 is reserved for files generated by Infix' <code>gen-function</code> scripts.  Your br2-external can provide a few custom ones that the <code>bootstrap</code> knows about, e.g., <code>gen-ifs-custom</code> that overrides <code>20-interfaces.json</code>.  See the bootstrap script for more help, and up-to-date information.</p> <p>Tip</p> <p>You may not need to provide your own <code>/etc/confdrc</code> for your spin. The one installed by <code>confd</code> is usually enough.  However, if you want to adjust the behavior of <code>bootstrap</code> you may want to override it. There is also <code>confdrc.local</code>, which usually is enough to change arguments to scripts like <code>gen-interfaces</code>, e.g., to create a bridge by default, you may want to look into <code>GEN_IFACE_OPTS</code>.</p>"},{"location":"branding/#example-snippets","title":"Example Snippets","text":""},{"location":"branding/#ietf-system","title":"IETF System","text":"<pre><code>  \"ietf-system:system\": {\n    \"hostname\": \"example-%m\",\n    \"ntp\": {\n      \"enabled\": true,\n      \"server\": [\n        {\n          \"name\": \"ntp.org\",\n          \"udp\": {\n            \"address\": \"pool.ntp.org\"\n          }\n        }\n      ]\n    },\n    \"authentication\": {\n      \"user\": [\n        {\n          \"name\": \"admin\",\n          \"password\": \"$factory$\",\n          \"infix-system:shell\": \"bash\"\n        }\n      ]\n    },\n    \"infix-system:motd-banner\": \"Li0tLS0tLS0uCnwgIC4gLiAgfCBJbmZpeCAtLSBhIE5ldHdvcmsgT3BlcmF0aW5nIFN5c3RlbQp8LS4gdiAuLXwgaHR0cHM6Ly9rZXJuZWxraXQuZ2l0aHViLmlvCictJy0tLSctJwo=\"\n  },            # &lt;---- REMEMBER COMMA SEPARATORS IN SNIPPETS!\n                # &lt;---- ... and no comments.\n</code></pre> <p>The <code>motd-banner</code> is a binary type, which is basically a Base64 encoded text file without line breaks (<code>-w0</code>):</p> <pre><code>$ echo \"Li0tLS0tLS0uCnwgIC4gLiAgfCBJbmZpeCAtLSBhIE5ldHdvcmsgT3BlcmF0aW5nIFN5c3RlbQp8LS4gdiAuLXwgaHR0cHM6Ly9rZXJuZWxraXQuZ2l0aHViLmlvCictJy0tLSctJwo=\" \\\n    | base64 -d\n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.github.io\n'-'---'-'\n</code></pre>"},{"location":"branding/#ietf-keystore","title":"IETF Keystore","text":"<p>Notice how both the public and private keys are left empty here, this cause them to be always automatically regenerated after each factory reset. Keeping the <code>factory-config</code> snippet like this means we can use the same file on multiple devices, without risking them sharing the same host keys.  Sometimes you may want the same host keys, but that is the easy use-case and not documented here.</p> <pre><code>  \"ietf-keystore:keystore\": {\n    \"asymmetric-keys\": {\n      \"asymmetric-key\": [\n        {\n          \"name\": \"genkey\",\n          \"public-key-format\": \"ietf-crypto-types:ssh-public-key-format\",\n          \"public-key\": \"\",\n          \"private-key-format\": \"ietf-crypto-types:rsa-private-key-format\",\n          \"cleartext-private-key\": \"\",\n          \"certificates\": {}\n        }\n      ]\n    }\n  },\n</code></pre>"},{"location":"branding/#ietf-netconf-server","title":"IETF NETCONF Server","text":"<pre><code>  \"ietf-netconf-server:netconf-server\": {\n    \"listen\": {\n      \"endpoints\": {\n        \"endpoint\": [\n          {\n            \"name\": \"default-ssh\",\n            \"ssh\": {\n              \"tcp-server-parameters\": {\n                \"local-address\": \"::\"\n              },\n              \"ssh-server-parameters\": {\n                \"server-identity\": {\n                  \"host-key\": [\n                    {\n                      \"name\": \"default-key\",\n                      \"public-key\": {\n                        \"central-keystore-reference\": \"genkey\"\n                      }\n                    }\n                  ]\n                }\n              }\n            }\n          }\n        ]\n      }\n    }\n  },\n</code></pre>"},{"location":"branding/#infix-services","title":"Infix Services","text":"<pre><code>  \"infix-services:ssh\": {\n    \"enabled\": true,\n    \"hostkey\": [\n      \"genkey\"\n    ],\n    \"listen\": [\n      {\n        \"name\": \"ipv4\",\n        \"address\": \"0.0.0.0\",\n        \"port\": 22\n      },\n      {\n        \"name\": \"ipv6\",\n        \"address\": \"::1\",\n        \"port\": 22\n      }\n    ]\n  }\n</code></pre>"},{"location":"branding/#integration","title":"Integration","text":"<p>When integrating your software stack with Infix there may be protocols that want to change system settings like hostname and dynamically set IP address and default gateway, e.g. PROFINET.  This section detail a few recommendations for maintaining co-existence in this scenario of the multiple producers problem.</p> <p>First, there's a clear difference between \"singleton\" like hostsname and an interface IP address.  Consider the case of a static IP and a DHCP assigned IP, these can co-exist because of the <code>proto NUM</code> field available in iproute2.  This is used in Infix so that static addresses can be flushed independently of DHCP addresses.  The same can be done by other \"address providers\", e.g., PROFINET.</p> <p>Changing properties like hostname should be done by injecting a change into Infix, by for example calling <code>sysrepocfg -Ediff.xml</code>.  Here is an example of how to get the current hostname and apply an XML diff:</p> <pre><code>root@infix-00-00-00:~# sysrepocfg -X -x \"/system/hostname\" &gt; hostnm.xml\nroot@infix-00-00-00:~# cat hostnm.xml\n&lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n  &lt;hostname&gt;infix-00-00-00&lt;/hostname&gt;\n&lt;/system&gt;\nroot@infix-00-00-00:~# edit hostnm.xml\nroot@infix-00-00-00:~# sysrepocfg -Ehostnm.xml\nroot@example:~#\n</code></pre> <p>Second, perform all changes on <code>running-config</code>, the running datastore. That way you have a clear state to return to if your application needs to do a factory reset.  E.g., in PROFINET a type 1/2 factory reset will reset only the PROFINET specific settings.  That way you can actually have your system <code>startup-config</code> disable all physical ports and the PROFINET application enables only ports that are not deactivated.  (On factory reset it will not know of any ports to deactivate so it will activate all.)</p> <p>You can consider the system composed of two entities:</p> <ul> <li>NETCONF starts up the system using <code>startup-config</code>, then</li> <li>Hands over control to your application at runtime</li> </ul> <p>Infix is prepared for this by already having two \"runlevels\" for these two states.  The <code>startup-config</code> is applied in runlevel S (bootstrap) and the system then enters runlevel 2 for normal operation.</p> <p>This allow you to keep a set of functionality that is provided by the underlying system, and another managed by your application.  You can of course in your br2-external provide a sysrepo plugin that block operations on certain datastores when your application is enabled. E.g., to prevent changes to startup after initial deployment.  In that case a proper factory reset would be needed to get back to a \"pre-deployment\" state where you can reconfigure your baseline.</p>"},{"location":"branding/#releases","title":"Releases","text":"<p>A release build requires the global variable <code>INFIX_RELEASE</code> to be set. It can be derived from GIT, if the source tree is kept in GIT VCS.  First, let us talk about versioning in general.</p>"},{"location":"branding/#versioning","title":"Versioning","text":"<p>Two popular scheme for versioning a product derived from Infix:</p> <ol> <li>Track Infix major.minor, e.g. Foobar v23.08.z, where <code>z</code> is    your patch level.  I.e., Foobar v23.08.0 could be based on Infix    v23.08.0, or v23.08.12, it is up to you.  Maybe you based it on    v23.08.12 and then back ported changes from v23.10.0, but it was    the first release you made to your customer(s).</li> <li>Start from v1.0.0 and step the major number every time you sync    with a new Infix release, or every time Infix bumps to the next    Buildroot LTS.</li> </ol> <p>The important thing is to be consistent, not only for your own sake, but also for your end customers.  The major.minor.patch style is the most common and often recommended style, which usually maps well to other systems, e.g. PROFINET GSDML files require this (VX.Y.Z). But you can of course use only two numbers, major.minor, as well.</p> <p>Warning</p> <p>What could be confusing, however, is if you use the name Infix with your own versioning scheme.</p>"},{"location":"branding/#specifying-versioning-information","title":"Specifying Versioning Information","text":"<p>Two optional environment variables control the version information recorded in images. Both of these must be a lower-case string (no spaces or other characters outside of 0\u20139, a\u2013z, '.', '_' and '-') identifying the operating system version, excluding any OS name information or release code name, and suitable for processing by scripts or usage in generated filenames.</p>"},{"location":"branding/#infix_build_id","title":"<code>INFIX_BUILD_ID</code>","text":"<p>Used for <code>BUILD_ID</code> in <code>/etc/os-release</code>.</p> <p>Default: <code>$(git describe --always --dirty --tags)</code>, from the top directory. By default, the top directory refers to the root of the Infix source tree, but this can be changed by setting the branding variable <code>INFIX_OEM_PATH</code>, e.g. in a <code>defconfig</code> file or via <code>make menuconfig</code>, to the path of an enclosing br2-external.</p>"},{"location":"branding/#infix_release","title":"<code>INFIX_RELEASE</code>","text":"<p>Used for <code>VERSION</code> and <code>VERSION_ID</code> in <code>/etc/os-release</code> and generated file names like disk images, etc.</p> <p>Default: <code>${INFIX_BUILD_ID}</code></p> <ol> <li> <p>The base MAC address is defined in the device's Vital Product Data (VPD) EEPROM, or similar, which is used by the kernel to create the system interfaces.  This MAC address is usually also printed on a label on the device.\u00a0\u21a9</p> </li> </ol>"},{"location":"container/","title":"Docker Containers","text":""},{"location":"container/#docker-container-support","title":"Docker Container Support","text":"<p>Infix comes with native support for Docker containers using podman. The YANG model describes the current level of support, complete enough to run both system and application containers.</p> <p>Key design features of Infix, like using Linux switchdev, allow users to assign switch ports directly to containers, not just bridged VETH pairs. This is a rare and in many cases unique feature of Infix.</p> <p>All network specific settings are done using the IETF interfaces YANG model, with augments for containers to ensure smooth integration with container networking in podman.</p> <p>Important</p> <p>Even though the <code>podman</code> command can be used directly from a shell prompt, we strongly recommend using the CLI commands instead.  They employ the services of a wrapper <code>container</code> script which handles the integration of Docker containers in the system.</p>"},{"location":"container/#caution","title":"Caution","text":"<p>A word of warning.  Containers can run on your system in privileged mode, as <code>root</code>, giving them full access to devices on your system. Even though containers are fenced from the host with Linux namespaces, resource limited using cgroups, and normally run with capped privileges, a privileged container is relatively easy to break out of.  A trivial example is given in the Advanced section of this document.</p> <p>We recommend avoiding privileged containers, if possible (they do have valid use-cases) and instead use capabilities.</p> <p>Remember:</p> <ul> <li>If the system is compromised, containers can be used to easily    install malicious software in your system and over the network</li> <li>Your system is as secure as anything you run in the container</li> <li>If you run containers, there is no security guarantee of any kind</li> <li>Running 3rd party container images on your system could open a    security hole/attack vector/surface</li> <li>An expert with knowledge how to build exploits will be able to    jailbreak/elevate to root even if best practices are followed</li> </ul> <p>This being said, a system suspected of being compromised can always be restored to a safe state with a factory reset.  Provided, of course, that it has secure boot enabled.</p>"},{"location":"container/#getting-started","title":"Getting Started","text":"<p>In the CLI, containers can be run in one of two ways:</p> <ol> <li><code>container run IMAGE [COMMAND]</code>, or</li> <li>enter <code>configure</code> context, then <code>edit container NAME</code></li> </ol> <p>The first is useful mostly for testing, or running single commands in an image.  It is a wrapper for <code>podman run -it --rm ...</code>.</p> <p>The second creates a read-only container that by default automatically start at every boot.   It basically wraps <code>podman create ...</code>.</p> <p>When non-volatile storage is needed two complementary options exist:</p> <ul> <li>Volumes: data stored in a volume is persisted until explicitly    removed from the configuration, i.e., across host reboots and    container upgrades</li> <li>Content Mounts: where the content of a file   mounted into the container is kept along with the container   configuration in the device's <code>startup-config</code></li> </ul> <p>Podman ensures (using tmpfs) all containers have writable directories for certain critical file system paths: <code>/dev</code>, <code>/dev/shm</code>, <code>/run</code>, <code>/tmp</code>, and <code>/var/tmp</code>.  Meaning, what you most often need is writable volumes for <code>/var/lib</code> and <code>/etc</code>, or only file mounts for a few files in <code>/etc</code>.  The actual requirements depend on your container image and application to run.</p> <p>Important</p> <p>When running containers from public registries, double-check that they support the CPU architecture of your host system.  Remember, unlike virtualization, containers reuse the host's CPU and kernel.</p> <p></p>"},{"location":"container/#example-hello-world","title":"Example: Hello World","text":"<p>Classic Hello World:</p> <pre><code>admin@example:/&gt; container run docker://hello-world\nStarting docker://hello-world :: use Ctrl-p Ctrl-q to detach\nTrying to pull docker.io/library/hello-world:latest...\nGetting image source signatures\nCopying blob c1ec31eb5944 done\nCopying config d2c94e258d done\nWriting manifest to image destination\nStoring signatures\n\nHello from Docker!\nThis message shows that your installation appears to be working correctly.\n</code></pre>"},{"location":"container/#example-web-server","title":"Example: Web Server","text":"<p>A web server with nginx, using standard docker bridge.  Podman will automatically create a VETH pair for us, connecting the container to the <code>docker0</code> bridge:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface docker0\nadmin@example:/config/interface/docker0/&gt; set container-network\nadmin@example:/config/interface/docker0/&gt; end\nadmin@example:/config/&gt; edit container web\nadmin@example:/config/container/web/&gt; set image docker://nginx:alpine\nadmin@example:/config/container/web/&gt; set network publish 8080:80\nadmin@example:/config/container/web/&gt; set network interface docker0\nadmin@example:/config/container/web/&gt; set volume cache target /var/cache\nadmin@example:/config/container/web/&gt; leave\nadmin@example:/&gt; show container\n</code></pre> <p>Exit to the shell and verify the service with curl, or try to attach to your device's IP address using your browser:</p> <pre><code>admin@example:~$ curl http://localhost:8080\n</code></pre> <p>or connect to port 8080 of your running Infix system with a browser. See the following sections for how to add more interfaces and manage your container at runtime.</p>"},{"location":"container/#container-images","title":"Container Images","text":"<p>The underlying <code>podman</code> project supports importing and fetching images in a variety of ways, the most common ones are also supported by Infix.  In this section we present how to use them and in the next section we show how to upgrade to a newer base image.</p> <p>The CLI help shows:</p> <pre><code>admin@example:/config/container/system/&gt; help image\nNAME\n    image &lt;string&gt;\n\nDESCRIPTION\n    Docker image for the container: [transport]name[:tag|@digest]\n\n    quay.io/username/myimage     -- Pull myimage:latest\n    docker://busybox             -- Pull busybox:latest from Docker Hub\n    docker://ghcr.io/usr/img     -- Pull img:latest from GitHub packages\n    dir:/media/usb/myimage:1.1   -- Use myimage v1.1 from USB media\n    docker-archive:/tmp/archive  -- Use archive:latest from tarball\n    oci-archive:/lib/oci/archive -- Use archive:latest from OCI archive\n                                    May be in .tar or .tar.gz format\n\n    Additionally, the following URIs are also supported for setups\n    that do not use a HUB or similar.  Recommend using 'checksum'!\n\n    ftp://addr/path/to/archive   -- Downloaded using wget\n    http://addr/path/to/archive  -- Downloaded using curl\n    https://addr/path/to/archive -- Downloaded using curl\n\n    Note: if a remote repository cannot be reached, the creation of the\n          container will be put on a queue that retries pull every time\n          there is a route change in the host's system.\n</code></pre> <p>Tip</p> <p>The built-in help system in the CLI is generated from the YANG model, so the same information is also available for remote NETCONF users.</p> <p>The two most common variants are <code>docker://</code> and <code>oci-archive:/</code>.</p> <p>The former requires a working Docker registry and the latter operates on a plain OCI archive.  Infix does not come with a built-in registry, so the <code>docker://</code> option is best used with external services, which in turn require networking to be up.  In a deployment phase the easiest may be to set up a single interface on your host system with DHCP client.</p> <p>The default method is <code>docker://</code>, so when setting the <code>image</code> for your container, you can omit the <code>docker://</code> prefix.  You can also use the admin-exec command <code>container pull docker://...</code>, and when configuring a container <code>podman</code> will check first if it has the image before trying to download anything.  (See also the upgrade section, below.)</p> <p>The <code>oci-archive:/</code> is interesting since many users may not have, or do not want to, publish their images in a registry.  Use the Docker OCI exporter or any other tool that supports generating OCI Image format.  Infix supports loading both <code>.tar</code> or <code>.tar.gz</code> formats.</p> <p>Here we show a simple example of fetching an OCI image to the system, but many others exist, tools like <code>wget</code>, <code>curl</code>, and <code>scp</code> come to mind.</p> <p>Shell OCI Example:</p> <pre><code>admin@example:~$ cd /var/tmp/\nadmin@example:/var/tmp$ sudo wget https://github.com/kernelkit/curiOS/releases/download/edge/curios-oci-amd64.tar.gz\nConnecting to github.com (140.82.121.3:443)\nwget: note: TLS certificate validation not implemented\nConnecting to objects.githubusercontent.com (185.199.109.133:443)\nsaving to 'curios-oci-amd64.tar.gz'\ncurios-oci-amd64.tar 100% |*********************************| 7091k  0:00:00 ETA\n'curios-oci-amd64.tar.gz' saved\nadmin@example:/var/tmp$ ll\ntotal 7104\ndrwxr-xr-x    3 root     root          4096 Mar 27 14:22 ./\ndrwxr-xr-x   14 root     root          4096 Mar 27 11:57 ../\n-rw-r--r--    1 root     root       7261785 Mar 27 14:22 curios-oci-amd64.tar.gz\ndrwx------    6 frr      frr           4096 Mar 27 11:57 frr/\n</code></pre> <p>Importing the image into Podman can be done either from the CLI admin-exec context ...</p> <pre><code>admin@example:/var/tmp$ cli\nadmin@example:/&gt; container load /var/tmp/curios-oci-amd64.tar.gz name curios:edge\n</code></pre> <p>Tip</p> <p>The <code>name curios:edge</code> is the tag you give the imported (raw) archive which you can then reference in your container image configuration: <code>set image curios:edge</code>.</p> <p>... or by giving the container configuration the full path to the OCI archive, which helps greatly with container upgrades (see below):</p> <pre><code>admin@example:/config/container/system/&gt; set image oci-archive:/var/tmp/curios-oci-amd64.tar.gz\n</code></pre> <p>Checksum Example:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit container sys\nadmin@example:/config/container/sys/&gt; set hostname sys\nadmin@example:/config/container/sys/&gt; set image ftp://192.168.122.1/curios-oci-amd64-v24.05.0.tar.gz\nadmin@example:/config/container/sys/&gt; set checksum\n    md5 sha256 sha512\nadmin@example:/config/container/sys/&gt; set checksum sha256 4f01077036527498ed910f1a3e80645ae3eff629d10043cf80ebc6850c99c629\nadmin@example:/config/container/sys/&gt; leave\nadmin@example:/&gt; copy running-config startup-config\nadmin@example:/&gt; show container\nCONTAINER ID  IMAGE                                             COMMAND               CREATED         STATUS        PORTS       NAMES\nb02e945c43c9  localhost/curios-oci-amd64-v24.05.0:latest                              5 seconds ago   Up 5 seconds              sys\n\nadmin@example:/&gt; show log\n...\nNov 20 07:24:56 example container[5040]: Fetching ftp://192.168.122.1/curios-oci-amd64-v24.05.0.tar.gz\nNov 20 07:24:56 example container[5040]: curios-oci-amd64-v24.05.0.tar.gz downloaded successfully.\nNov 20 07:24:56 example container[5040]: curios-oci-amd64-v24.05.0.tar.gz checksum verified OK.\nNov 20 07:24:57 example container[5040]: Cleaning up extracted curios-oci-amd64-v24.05.0\nNov 20 07:24:57 example container[5040]: podman create --name sys --conmon-pidfile=/run/container:sys.pid --read-only --replace --quiet --cgroup-parent=containers  --restart=always --systemd=false --tz=local --hostname sys --log-driver k8s-file --log-opt path=/run/containers/sys.fifo --network=none curios-oci-amd64-v24.05.0\nNov 20 07:24:57 example container[3556]: b02e945c43c9bce2c4be88e31d6f63cfdb1a3c8bdd02179376eb059a49ae05e4\n</code></pre>"},{"location":"container/#understanding-image-tags","title":"Understanding Image Tags","text":"<p>Docker images use tags to identify different versions of the same image. Understanding the difference between mutable and immutable tags is important for managing container upgrades effectively.</p>"},{"location":"container/#mutable-tags","title":"Mutable Tags","text":"<p>Tags like <code>:latest</code>, <code>:edge</code>, or <code>:stable</code> are mutable \u2014 they point to different images over time as new versions are published to the registry.</p> <p>Advantages:</p> <ul> <li>Convenient: upgrade without changing configuration</li> <li>Simple: use the CLI command <code>container upgrade NAME</code> to get the latest version,    there is even a convenient RPC for controlling the remotely</li> <li>Good for: development, testing, and systems that auto-update</li> </ul> <p>Trade-offs:</p> <ul> <li>Less reproducible: different systems may run different versions</li> <li>Less predictable: upgrades happen when you pull, not when you plan</li> <li>Harder to rollback: previous version may no longer be available</li> </ul> <p>Example mutable tags:</p> <pre><code>docker://nginx:latest          # Always points to newest release\ndocker://myapp:edge            # Development/bleeding edge version\noci-archive:/var/tmp/app.tar   # Local archive that may be replaced\n</code></pre>"},{"location":"container/#immutable-tags","title":"Immutable Tags","text":"<p>Version-specific tags like <code>:v1.0.1</code>, <code>:24.11.0</code>, or digest references like <code>@sha256:abc123...</code> are immutable \u2014 they always reference the exact same image content.</p> <p>Advantages:</p> <ul> <li>Reproducible: all systems run identical versions</li> <li>Predictable: upgrades only happen when you change configuration</li> <li>Auditable: clear history of what ran when</li> <li>Good for: production, compliance, and controlled deployments</li> </ul> <p>Trade-offs:</p> <ul> <li>More explicit: must update configuration to upgrade</li> <li>Requires planning: need to know which version to use</li> </ul> <p>Example immutable tags:</p> <pre><code>docker://nginx:1.25.3          # Specific version number\ndocker://myapp:v2.1.0          # Semantic version tag\ndocker://nginx@sha256:abc123   # Cryptographic digest (most immutable)\n</code></pre> <p>Tip</p> <p>Best practice for production: Use specific version tags (<code>:v1.0.1</code>) rather than mutable tags (<code>:latest</code>). This ensures all your systems run identical software and upgrades happen only when you decide.</p>"},{"location":"container/#upgrading-container-images","title":"Upgrading Container Images","text":"<p>The applications in your container are an active part of the system as a whole, so make it a routine to keep your container images up-to-date!</p>"},{"location":"container/#how-container-lifecycle-works","title":"How Container Lifecycle Works","text":"<p>Infix intelligently manages container lifecycles to provide a smooth experience while minimizing unnecessary work:</p> <p>At first setup: When you configure a container for the first time, Infix fetches the image (if needed) and creates the container instance.</p> <p>At boot time: Infix checks if the container needs to be recreated by comparing checksums for:</p> <ul> <li>The image archive that the container was built from</li> <li>The container configuration script</li> </ul> <p>When configuration changes: If you modify any container settings (network, volumes, environment, etc.), the container is automatically recreated with the new configuration.</p> <p>When explicitly upgraded: Using the <code>container upgrade</code> command forces a fresh pull of the image and recreates the container.</p> <p>This means that in most cases, containers persist across reboots and are only recreated when actually necessary. Your container's state stored in volumes is preserved across recreations.  Since Infix containers use a read-only root filesystem, any changes written outside of volumes or the writable paths provided by Podman (<code>/dev</code>, <code>/dev/shm</code>, <code>/run</code>, <code>/tmp</code>, <code>/var/tmp</code>) will be lost when the container is recreated.</p>"},{"location":"container/#method-1-upgrading-immutable-tags","title":"Method 1: Upgrading Immutable Tags","text":"<p>When using version-specific tags, you upgrade by explicitly changing the image reference in your configuration:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit container web\nadmin@example:/config/container/web/&gt; set image docker://nginx:1.25.3\nadmin@example:/config/container/web/&gt; leave\n</code></pre> <p>What happens:</p> <ol> <li>Podman pulls the new image in the background (if not already present)</li> <li>Your container is automatically stopped</li> <li>The container is recreated with the new image</li> <li>The container is started with your existing volumes intact</li> </ol> <p>Example: Upgrading from one version to another:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit container system\nadmin@example:/config/container/system/&gt; show image\nimage ghcr.io/kernelkit/curios:v24.11.0;\nadmin@example:/config/container/system/&gt; set image ghcr.io/kernelkit/curios:v24.12.0\nadmin@example:/config/container/system/&gt; leave\nadmin@example:/&gt; show log\n...\nDec 13 14:32:15 example container[1523]: Pulling ghcr.io/kernelkit/curios:v24.12.0...\nDec 13 14:32:18 example container[1523]: Stopping old container instance...\nDec 13 14:32:19 example container[1523]: Creating new container with updated image...\nDec 13 14:32:20 example container[1523]: Container system started successfully\n</code></pre>"},{"location":"container/#method-2-upgrading-mutable-tags","title":"Method 2: Upgrading Mutable Tags","text":"<p>For images using mutable tags like <code>:latest</code> or <code>:edge</code>, use the <code>container upgrade</code> command:</p> <pre><code>admin@example:/&gt; container upgrade NAME\n</code></pre> <p>This command:</p> <ol> <li>Stops the running container</li> <li>Pulls the latest version of the image from the registry</li> <li>Recreates the container with the new image</li> <li>Starts the container automatically</li> </ol> <p>Example using registry:</p> <pre><code>admin@example:/&gt; container upgrade system\nsystem\nTrying to pull ghcr.io/kernelkit/curios:edge...\nGetting image source signatures\nCopying blob 07bfba95fe93 done\nCopying config 0cb6059c0f done\nWriting manifest to image destination\nStoring signatures\n0cb6059c0f4111650ddbc7dbc4880c64ab8180d4bdbb7269c08034defc348f17\nsystem: not running.\n59618cc3c84bef341c1f5251a62be1592e459cc990f0b8864bc0f5be70e60719\n</code></pre> <p>Example using local OCI archive:</p> <p>An OCI archive image can be upgraded in a similar manner. First, get the new archive onto the system (see Container Images section above), then, provided the <code>oci-archive:/path/to/archive</code> format is used in your configuration, call the upgrade command:</p> <pre><code>admin@example:/&gt; container upgrade system\nUpgrading container system with local archive: oci-archive:/var/tmp/curios-oci-amd64.tar.gz ...\n7ab4a07ee0c6039837419b7afda4da1527a70f0c60c0f0ac21cafee05ba24b52\n</code></pre> <p>OCI archives can also be fetched from ftp/http/https URLs. In that case, the upgrade works the same way as a registry image \u2014 Infix downloads the new archive and recreates the container.</p>"},{"location":"container/#embedded-container-images","title":"Embedded Container Images","text":"<p>Tip</p> <p>Containers running from OCI images embedded in the operating system, e.g., <code>/lib/oci/mycontainer.tar.gz</code>, are automatically kept in sync with the Infix system image version.</p> <p>How it works: When you build a custom Infix image with embedded OCI archives, those containers will be upgraded whenever you upgrade the Infix operating system itself. At boot, Infix checks if the embedded image has changed and automatically recreates the container if needed.</p> <p>Example: default builds of Infix include a couple of OCI images for reference, one is <code>/lib/oci/curios-nftables-v24.11.0.tar.gz</code>, but there is also a symlink called <code>curios-nftables-latest.tar.gz</code> in the same directory, which is what the Infix regression tests use in the image configuration of the container. When the system is upgraded and the embedded image changes, the test containers are automatically recreated with the new version.</p> <p>This approach ensures your embedded containers always match your system version without any manual intervention.</p>"},{"location":"container/#capabilities","title":"Capabilities","text":"<p>An unprivileged container works for almost all use-cases, but there are occasions where they are too restricted and users start looking for the <code>privileged</code> flag.  Capabilities offers a middle ground.</p> <p>For example, a system container from which <code>ping</code> does not work:</p> <pre><code>admin@example:/config/container/system/&gt; edit capabilities\nadmin@example:/config/container/system/capabilities/&gt; set add net_raw\nadmin@example:/config/container/system/capabilities/&gt; end\nadmin@infix-00-00-00:/config/container/system/&gt; show\n...\ncapabilities {\n  add net_raw;\n}\n...\n</code></pre> <p>Infix supports a subset of all capabilities that are relevant for containers.  Please note, that this is an advanced topic that require time and analysis of your container application to figure out which capabilities you need.</p>"},{"location":"container/#networking-and-containers","title":"Networking and Containers","text":"<p>By default, unlike other systems, persistent<sup>2</sup> containers have no networking enabled.  All network access has to be set up explicitly. Currently two types of of container networks are supported:</p> <ul> <li><code>host</code>: an managed host interface, e.g., one end of a VETH pair,    or even a physical interface</li> <li><code>bridge</code>: an IP masquerading bridge</li> </ul> <p>In the former the interface is delegated to (moved into) the container, while in the latter a VETH pair is automatically created by Podman and one end delegated to the container, while the other end is assigned to the bridge (see the next section).</p> <p>Tip</p> <p>For more information on VETH pairs, see the Networking Guide.</p>"},{"location":"container/#container-bridge","title":"Container Bridge","text":"<p>A container bridge is what most container setups use and users want.</p> <p></p> <p>The difference from a regular bridge is that the container runtime fully manages them -- connecting containers with automatically created VETH pairs (look at the bridge port names) and setting up firewall rules between the host and other containers, as well as managing port forwarding.  This transparent background management is what makes container use seem to be so simple.</p> <p>All interface configuration is done in configure context.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config&gt; edit interface docker0\nadmin@example:/config/interface/docker0/&gt; set container-network\nadmin@example:/config/interface/docker0/&gt; leave\n</code></pre> <p>There is more to this story.  When using the CLI, and sticking to common interface nomenclature, Infix helps you with some of the boring stuff. E.g., creating a new interface with a name like <code>brN</code> or <code>dockerN</code> automatically infers the interface types, which you would otherwise have to set manually:</p> <pre><code>admin@example:/config/interface/docker0/&gt; set type bridge\nadmin@example:/config/interface/docker0/&gt; set container-network type bridge\n</code></pre> <p>Important</p> <p>When configuring the system via an API such as NETCONF or RESTCONF, no settings are inferred.  Instead it is up to the caller to fully define the desired setup.  This makes the CLI very useful for first setup and then extracting the resulting XML from the shell using the <code>cfg -X</code> command.</p> <p>We have to declare the interface as a container network, ensuring the interface cannot be used by the system for any other purpose.  E.g., a container <code>host</code> interface is supposed to be used by a container, by declaring it as such we can guarantee that it would never accidentally be added as a bridge or lag port.  Hence, to move an interface currently set as a <code>bridge-port</code> it must be removed from the bridge before being given to a container.</p> <p>The default subnet for a container <code>bridge</code> is 172.17.0.0/16, the bridge takes the <code>.1</code> address and hand out the rest of the range to containers in a round-robin like fashion.  A container with this <code>network</code> get an automatically created VETH pair connection to the bridge and a lot of other networking parameters (DNS, default route) are set up.</p> <p>Some of the defaults of a container <code>bridge</code> can be changed, e.g., instead of <code>set container-network type bridge</code>, above, do:</p> <pre><code>admin@example:/config/interface/docker0/&gt; edit container-network\nadmin@example:/config/interface/docker0/container-network/&gt; set type bridge\nadmin@example:/config/interface/docker0/container-network/&gt; edit subnet 192.168.0.0/16\nadmin@example:/config/interface/docker0/container-network/subnet/192.168.0.0/16/&gt; set gateway 192.168.255.254\nadmin@example:/config/interface/docker0/container-network/subnet/192.168.0.0/16/&gt; end\nadmin@example:/config/interface/docker0/container-network/&gt; edit route 10.0.10.0/24\nadmin@example:/config/interface/docker0/container-network/route/10.0.10.0/24/&gt; set gateway 192.168.10.254\nadmin@example:/config/interface/docker0/container-network/route/10.0.10.0/24/&gt; end\nadmin@example:/config/interface/docker0/container-network/&gt; end\nadmin@example:/config/interface/docker0/&gt; leave\n</code></pre> <p>Other network settings, like DNS and domain, use built-in defaults, but can be overridden from each container.  Other common settings per container is the IP address and name of the network interface inside the container.  The default, after each stop/start cycle, or reboot of the host, is to name the interfaces <code>eth0</code>, <code>eth1</code>, in the order they are given in the <code>network</code> list, and to give the container the next address in a <code>bridge</code>.  Below an example of a system container calls <code>set network interface docker0</code>, here we show how to set options for that network:</p> <pre><code>admin@example:/config/container/ntpd/&gt; edit network interface docker0\nadmin@example:/config/container/ntpd/network/interface/docker0/&gt;\nadmin@example:/config/container/ntpd/network/interface/docker0/&gt; set option\n&lt;string&gt;  Options for masquerading container bridges.\nadmin@example:/config/container/ntpd/network/interface/docker0/&gt; help option\nNAME\n        option &lt;string&gt;\n\nDESCRIPTION\n        Options for masquerading container bridges.\n\n        Example: ip=1.2.3.4            -- request a specific IP (IPv4 or IPv6)\n                 mac=00:01:02:c0:ff:ee -- set fixed MAC address in container\n                 interface_name=foo0   -- set interface name inside container\n\nadmin@example:/config/container/ntpd/network/interface/docker0/&gt; set option ip=172.17.0.2\nadmin@example:/config/container/ntpd/network/interface/docker0/&gt; set option interface_name=wan\nadmin@example:/config/container/ntpd/network/interface/docker0/&gt; leave\n</code></pre>"},{"location":"container/#container-host-interface","title":"Container Host Interface","text":"<p>Another common use-case is to move network interfaces into the network namespace of a container<sup>1</sup>.  This of course works with plain Ethernet interfaces as well, but here we will use one end of a VETH pair as an example.</p> <p>The network <code>option</code> setting is available also for this case, but only the <code>interface_name=foo0</code> option works.  Which is still very useful.  To set:</p> <ul> <li>IP address, use IPv4/IPv6 settings in the interface settings</li> <li>MAC address, to use the <code>custom-phys-address</code> in the interface settings</li> </ul> <p>For an example of both, see the next section.</p>"},{"location":"container/#routed-setup","title":"Routed Setup","text":"<p>In this routed setup we reserve 192.168.0.0/24 for the network between the host and the <code>ntpd</code> container.</p> <p></p> <p>Configuration is a straight-forward VETH pair setup where we name the container-end of pair <code>ntpd</code>.  This is just a convenience for us when reading the configuration later.  The real action happens on the last line where we declare the <code>ntpd</code> end as a container network interface:</p> <pre><code>admin@example:/config/&gt; edit interface veth0\nadmin@example:/config/interface/veth0/&gt; set veth peer ntpd\nadmin@example:/config/interface/veth0/&gt; set ipv4 address 192.168.0.1 prefix-length 24\nadmin@example:/config/interface/veth0/&gt; end\nadmin@example:/config/&gt; edit interface ntpd\nadmin@example:/config/interface/ntpd/&gt; set ipv4 address 192.168.0.2 prefix-length 24\nadmin@example:/config/interface/ntpd/&gt; set custom-phys-address static 00:c0:ff:ee:00:01\nadmin@example:/config/interface/ntpd/&gt; set container-network\n</code></pre> <p>Tip</p> <p>Notice how you can also set a custom MAC address at the same time.</p> <p>Adding the interface to the container is the same as before, but since everything for host interfaces is set up in the interfaces context, we can take a bit of a shortcut.</p> <pre><code>admin@example:/config/container/ntpd/&gt; set network interface ntpd\nadmin@example:/config/container/ntpd/&gt; leave\n</code></pre> <p>Tip</p> <p>Use the <code>set network interface ntpd option interface_name=foo0</code> to set the name of the interface inside the container to <code>foo0</code>.</p> <p>The point of the routed case is that port forwarding from the container in this case is limited to a single interface, not all interfaces as is the default in the masquerading container bridge setup.</p>"},{"location":"container/#bridged-setup","title":"Bridged Setup","text":"<p>A perhaps more common case is to bridge the other end of the VETH pair with other physical ports.  In this section we show how to add a new pair to give our container two interfaces:</p> <p></p> <p>We start by adding the second VETH pair:</p> <pre><code>admin@example:/config/&gt; edit interface veth1a\nadmin@example:/config/interface/veth1a/&gt; set veth peer veth1\nadmin@example:/config/interface/veth1a/&gt; set ipv4 address 192.168.1.2 prefix-length 24\n</code></pre> <p>Note</p> <p>The LAN bridge (br1) in this example has IP address 192.168.1.1.</p> <p>When a container has multiple host interfaces it can often be useful to have a default route installed.  This can be added from the host with a <code>0.0.0.0/0</code> route on one of the interfaces:</p> <pre><code>admin@example:/config/interface/veth1a/&gt; set container-network route 0.0.0.0/0 gateway 192.168.1.1\nadmin@example:/config/interface/veth1a/&gt; show\ntype veth;\ncontainer-network {\n  type host;\n  route 0.0.0.0/0 {\n    gateway 192.168.1.1;\n  }\n}\nveth {\n  peer veth1;\n}\nadmin@example:/config/interface/veth1a/&gt; end\nadmin@example:/config/&gt; set interface veth1 bridge-port bridge br1\n</code></pre> <p>Please note, container network routes require the base interface also have a static IP address set.  Setting only the route, but no address, means the route is skipped.</p>"},{"location":"container/#host-networking","title":"Host Networking","text":"<p>The third use-case is host networking, this is where a container share the network namespace of the host.  An example here could be a nftables or ntpd container -- single applications which add core functionality to the host operating system.</p> <p>The host networking setup cannot be combined with any other network.</p> <p>For an example, see below.</p>"},{"location":"container/#mounts-and-volumes","title":"Mounts and Volumes","text":"<p>It is possible to mount files, directories, and even files matching a glob, into a container.  This gives precise control over the container's file system:</p> <pre><code>admin@example:/config/container/system/&gt; edit mount leds\nadmin@example:/config/container/system/mount/leds&gt; set source /sys/class/leds\nadmin@example:/config/container/system/mount/leds&gt; set target /sys/class/leds\nadmin@example:/config/container/system/mount/leds&gt; end\nadmin@example:/config/container/system/&gt;\n</code></pre> <p>Any type of file can be bind mounted into the container, just watch out for permissions though.  In the example above, <code>/sys/class/leds</code> is not writable from a container unless it runs in privileged mode.  For plain configuration files you get more freedom, and your container can rely on, e.g., inotify events to trigger reloading its services when you change the file on the host.</p> <p>So it depends on the container, and indeed your overall setup, what to use.  An intriguing option is Content Mounts, which when changed also trigger a container restart.</p> <p>Other times volumes are a better fit.  A volume is an automatically created read-writable entity that follows the life of your container.</p> <pre><code>admin@example:/config/container/ntpd/&gt; set volume varlib target /var/lib\n</code></pre> <p>Volumes are persistent across both reboots and upgrades of the base image.  They are created by Podman when the container first starts up, unlike a regular bind mount it synchronizes with the contents of the underlying container image's path at first use.  I.e., \"bind-mount, if empty: then rsync\".</p> <p>Note</p> <p>Infix support named volumes (only), and it is not possible to share a volume between containers.  All the tricks possible with volumes may be added in a later release.</p>"},{"location":"container/#volume-management","title":"Volume Management","text":"<p>Volumes are persistent storage that survive container restarts and image upgrades, making them ideal for application data. However, this also means they are not automatically removed when a container is deleted from the configuration.</p> <p>This design choice prevents accidental data loss, especially in scenarios where:</p> <ul> <li>A container is temporarily removed and re-added with the same name</li> <li>A container is replaced with a different configuration but same name</li> <li>System upgrades or configuration changes affect container definitions</li> </ul> <p>To clean up unused volumes and reclaim disk space, use the admin-exec command:</p> <pre><code>admin@example:/&gt; container prune\nDeleted Images\n...\nDeleted Volumes\nntpd-varlib\nsystem-data\n\nTotal reclaimed space: 45.2MB\n</code></pre> <p>The <code>container prune</code> command safely removes:</p> <ul> <li>Unused container images</li> <li>Volumes not attached to any container (running or stopped)</li> <li>Other unused container resources</li> </ul> <p>Tip</p> <p>You can monitor container resource usage with the command:</p> <pre><code>admin@example:/&gt; show container usage\n</code></pre> <p>This displays disk space used by images, containers, and volumes, helping you decide when to run the prune command.</p> <p>To see which volumes exist and which containers use them:</p> <pre><code>admin@example:/&gt; show container volumes\n</code></pre>"},{"location":"container/#content-mounts","title":"Content Mounts","text":"<p>Content mounts are a special type of file mount where the file contents is stored with the container configuration.  This can be very useful when deploying similar systems at multiple sites.  When the host loads its <code>startup-config</code> (or even <code>factory-config</code>) a temporary file is created using the decoded base64 data from the <code>content</code> node.</p> <pre><code>admin@example:/config/container/ntpd/&gt; edit mount ntpd.conf\nadmin@example:/config/container/ntpd/mount/ntpd.conf&gt; text-editor content\n... interactive editor starts up ...\nadmin@example:/config/container/ntpd/mount/ntpd.conf&gt; set target /etc/ntpd.conf\nadmin@example:/config/container/ntpd/mount/ntpd.conf&gt; end\nadmin@example:/config/container/ntpd/&gt;\n</code></pre> <p>The editor is a small Emacs clone called Mg, see the built-in help text, or press Ctrl-x Ctrl-c to exit and save.  When the editor exits the contents are base64 encoded and stored in the candidate datastore.</p> <p>Note</p> <p>Since these files are always recreated when the host is restarted, changes made by the container are not preserved, or saved back to the host's startup-config.</p> <p>Infix has three different text editors available.  For more information, see CLI Text Editor.</p>"},{"location":"container/#example-containers","title":"Example Containers","text":""},{"location":"container/#system-container","title":"System Container","text":"<p>Let's try out what we've learned by setting up a system container, a container providing multiple services, using the <code>docker0</code> interface we created previously:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config&gt; edit container system\nadmin@example:/config/container/system/&gt; set image ghcr.io/kernelkit/curios:edge\nadmin@example:/config/container/system/&gt; set network interface docker0\nadmin@example:/config/container/system/&gt; set publish 222:22\nadmin@example:/config/container/system/&gt; leave\n</code></pre> <p>Note</p> <p>Ensure you have a network connection to the registry.  If the image cannot be pulled, creation of the container will be put in a queue and be retried every time there is a change in the routing table, e.g., default route is added, and every 60 seconds.</p> <p>Provided the image is downloaded successfully, a new <code>system</code> container now runs behind the docker0 interface, forwarding container port 22 to port 222 on all of the host's interfaces.  (See <code>help publish</code> in the container configuration context for the full syntax.)</p> <p>Available containers can be accessed from admin-exec:</p> <pre><code>admin@example:/&gt; show container\nCONTAINER ID  IMAGE                          COMMAND     CREATED       STATUS       PORTS                 NAMES\n439af2917b44  ghcr.io/kernelkit/curios:edge              41 hours ago  Up 16 hours  0.0.0.0:222-&gt;222/tcp  system\n</code></pre> <p>This is a system container, so you can \"attach\" to it by starting a shell (or logging in with SSH):</p> <pre><code>admin@example:/&gt; container shell system\nroot@439af2917b44:/#\n</code></pre> <p>Notice how the hostname inside the container changes.  By default the container ID (hash) is used, but this can be easily changed:</p> <pre><code>root@439af2917b44:/# exit\nadmin@example:/&gt; configure\nadmin@example:/config/&gt; edit container system\nadmin@example:/config/container/system/&gt; set hostname sys101\nadmin@example:/config/container/system/&gt; leave\nadmin@example:/&gt; container shell system\nroot@sys101:/#\n</code></pre> <p>In fact, the container <code>hostname</code> setting supports the same format specifiers as the host's <code>hostname</code> setting:</p> <ul> <li><code>%i</code>: OS ID, from <code>/etc/os-release</code>, from Menuconfig branding</li> <li><code>%h</code>: Default hostname, from <code>/etc/os-release</code>, from branding</li> <li><code>%m</code>: NIC specific part of base MAC, e.g., to <code>c0-ff-ee</code></li> <li><code>%%</code>: Literal %</li> </ul> <p>The most useful combination is probably <code>\"container-name-%m\"</code>, which in this example give the container hostname <code>container-name-c0-ff-ee</code>.</p>"},{"location":"container/#application-container-nftables","title":"Application Container: nftables","text":"<p>Infix currently does not have a native firewall configuration, and even when it does it will never expose the full capabilities of <code>nftables</code>. For advanced setups, the following is an interesting alternative.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config&gt; edit container nftables\nadmin@example:/config/container/nftables/&gt; set image ghcr.io/kernelkit/curios-nftables:edge\nadmin@example:/config/container/nftables/&gt; set network host\nadmin@example:/config/container/nftables/&gt; set privileged\nadmin@example:/config/container/nftables/&gt; edit mount nftables.conf\nadmin@example:/config/container/nftables/mount/nftables.conf/&gt; set target /etc/nftables.conf\nadmin@example:/config/container/nftables/mount/nftables.conf/&gt; text-editor content\n... interactive editor starts up where you can paste your rules ...\nadmin@example:/config/container/nftables/mount/nftables.conf/&gt; leave\n</code></pre> <p>Notice how we <code>set network host</code>, so the container can see and act on all the host's interfaces, and that we also have to run the container in privileged mode.</p>"},{"location":"container/#application-container-ntpd","title":"Application Container: ntpd","text":"<p>The default NTP server/client in Infix is Chrony, a fully working and capable workhorse for most use-cases.  However, it does not support a feature like multicasting, for that you need ISC ntpd.</p> <p>As we did with <code>nftables</code>, previously, we can use host networking and set up a read-only config file that is bind-mounted into the container's file system and store in the host's <code>startup-config</code>.  However, <code>ntpd</code> also saves clock drift information in <code>/var/lib/ntpd</code>, so we will also use volumes in this example.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config&gt; edit container ntpd\nadmin@example:/config/container/ntpd/&gt; set image ghcr.io/kernelkit/curios-ntpd:edge\nadmin@example:/config/container/ntpd/&gt; set network interface ntpd    # From veth0 above\nadmin@example:/config/container/ntpd/&gt; edit mount ntp.conf\nadmin@example:/config/container/ntpd/mount/ntp.conf/&gt; set target /etc/ntp.conf\nadmin@example:/config/container/ntpd/mount/ntp.conf/&gt; text-editor content\n... interactive editor starts up where you can paste your rules ...\nadmin@example:/config/container/ntpd/mount/ntp.conf/&gt; end\nadmin@example:/config/container/ntpd/&gt; edit volume varlib\nadmin@example:/config/container/ntpd/volume/varlib/&gt; set target /var/lib\nadmin@example:/config/container/ntpd/volume/varlib/&gt; leave\nadmin@example:/&gt; copy running-config startup-config\n</code></pre> <p>The <code>ntp.conf</code> file is stored in the host's <code>startup-config</code> and any state data in the container's <code>/var/lib</code> is retained between reboots and across image upgrades.</p>"},{"location":"container/#advanced","title":"Advanced","text":"<p>This section covers advanced, and sometimes dangerous, topics.  Please read any warnings and always consider the security aspects.</p>"},{"location":"container/#running-host-commands-from-container","title":"Running Host Commands From Container","text":"<p>SSH login with keys is very handy, both remote scripting friendly and secure, but it does require a few extra configuration steps.  The way to set it up is covered in part in SSH Authorized Key.</p> <p>Another insecure approach is to access the host system directly, bypassing the namespaces that make up the boundary between host and container.</p> <p>Caution</p> <p>Please note, this completely demolishes the isolation barrier between container and host operating system.  It is only suitable in situations where the container serves more as a unit of distribution rather than as a separate component of the system.  Strongly recommended to use this only in trusted setups!  Consider also limiting the time frame in which this is active!</p> <p>First, enable Privileged mode, this unlocks the door and allows the container to manage resources on the host system.  An example is the <code>nftables</code> container mentioned previously.</p> <pre><code>admin@example:/config/container/system/&gt; set privileged\n</code></pre> <p>Second, mount the host's <code>/proc/1</code> directory to somewhere inside your container.  Here we pick <code>/1</code>:</p> <pre><code>admin@example:/config/container/system/&gt; edit mount host\nadmin@example:/config/container/system/mount/host/&gt; set source /proc/1\nadmin@example:/config/container/system/mount/host/&gt; set target /1\nadmin@example:/config/container/system/mount/host/&gt; leave\n</code></pre> <p>Third, from inside the container, use the host's PID 1 namespaces with the <code>nsenter</code><sup>3</sup> command to slide through the container's walls.  Here we show two example calls to <code>hostname</code>, first the container's own name and then asking what the hostname is on the host:</p> <pre><code>root@sys101:/# hostname\nsys101\nroot@sys101:/# nsenter -m/1/ns/mnt -u/1/ns/uts -i/1/ns/ipc -n/1/ns/net hostname\nexample\n</code></pre> <p>One use-case for this method is when extending Infix with a management container that connects to other systems.  For some tips on how to control an Infix system this way, see Scripting Infix.</p>"},{"location":"container/#container-requirements","title":"Container Requirements","text":"<p>In addition to general best practices for container images, there are a few more things to consider when targeting embedded systems:</p> <ul> <li>Ensure the image targets the CPU architecture of the target system,    learn more about Multi-platform Builds</li> <li>Follow best practices for naming and tagging, e.g., <code>:latest</code> vs <code>:1.0</code></li> <li>Follow OCI recommendations and layout,    learn more about OCI and Docker Exporters</li> </ul> <p>If the Docker documentation is not enough, there are plenty of guides online with examples on how to create your own container image.  For the more advanced, please see the next section.</p>"},{"location":"container/#advanced-users","title":"Advanced Users","text":"<p>Most people prefer their system containers small, often based on Alpine Linux, or similar, with only a few small applications, including their own, and an SSH server perhaps.  For some developers, even this is too big, so they roll their own from source.  This section is for you.</p> <p>Depending on your needs, here is a checklist:</p> <ul> <li>you need something that can forward signals, e.g.,</li> <li>tini</li> <li>Bash only, or</li> <li>BusyBox init, a classic most embedded developers know, but read on ...</li> <li>a system container only need the bare necessities of a system bringup</li> <li>E.g., BusyBox's init, but not everything</li> <li>Some of the networking is set up by Podman and CNI for you, but      you may want to run a DHCP client?</li> <li>Do not rename interfaces inside the container, use the dedicated      <code>interface_name</code> option in the configuration instead</li> <li>Remember, Podman provides a <code>tmpfs</code> for all critical system paths:      <code>/dev</code>, <code>/dev/shm</code>, <code>/run</code>, <code>/tmp</code>, and <code>/var/tmp</code>, so you don't      need to clean or set up any of these mount points</li> </ul> <p>Examples using <code>tini</code> and BusyBox init are available from the KernelKit curiOS project.  It is a small Buildroot based container image builder that generates OCI compatible image tarballs without any tools from Docker or Podman -- ready-made images exist for testing on both AMD64 and ARM64 targets, as well as <code>docker pull</code> images and and OCI tarballs with SHA256 checksums for integrity checking.</p> <p>Finally, if you build your own version of Infix, and embed OCI tarballs in the system image, then see the tip at the end of Upgrading a Container Image (above).</p> <ol> <li> <p>Something which the container bridge network type does behind the scenes with one end of an automatically created VETH pair.\u00a0\u21a9</p> </li> <li> <p>this does not apply to the admin-exec command <code>container run</code>. This command is intended to be used for testing and evaluating container images.  Such containers are given a private network behind an IP masquerading bridge.\u00a0\u21a9</p> </li> <li> <p>The <code>nsenter</code> program is available from either the util-linux package in Debian/Ubuntu/Mint, or in BusyBox.  Note, however, it may not be enabled by default in BusyBox.\u00a0\u21a9</p> </li> </ol>"},{"location":"developers-guide/","title":"Developer's Guide","text":""},{"location":"developers-guide/#developers-guide","title":"Developer's Guide","text":"<p>Please note, by default the <code>root</code> account is disabled in Infix NETCONF builds.  Meaning, the only way to access the system is with the <code>admin</code> account, which is created based on credentials found in the VPD area -- for Qemu devices this is emulated using <code>qemu_fw_cfg</code>.</p> <p>For developers this can be quite frustrating to be blocked from logging in to debug the system.  So we recommend enabling the <code>root</code> account in the Buildroot <code>make menuconfig</code> system.</p> <pre><code>make menuconfig\n     -&gt; System configuration\n        -&gt; [*]Enable root login with password\n</code></pre> <p>Important</p> <p>Please see the Contributing section, below, for details on how to fork and clone when contributing to Infix.</p>"},{"location":"developers-guide/#cloning","title":"Cloning","text":"<p>When pre-built releases are not enough, for instance when you want to add or modify some Open Source components, you can clone the Infix tree to your PC:</p> <pre><code>$ mkdir ~/Projects; cd ~/Projects\n$ git clone https://github.com/kernelkit/infix.git\n..\n$ cd infix/\n$ git submodule update --init\n..\n</code></pre>"},{"location":"developers-guide/#customer-builds","title":"Customer Builds","text":"<p>Customer builds add product specific device trees, more OSS packages, e.g., Frr and podman, and sometimes integrates proprietary software. What's important to remember, however, is that they are all made by setting up Infix as a GIT submodule, similar to how Infix set up a GIT submodule for Buildroot.</p> <p>So, in addition to using the customer's specific defconfig(s), one must also make sure to update all submodules, otherwise you will likely end up with a broken build.</p> <pre><code>$ ...\n$ git submodule update --init --recursive\n                              ~~~~~~~~~~~\n</code></pre> <p>Other caveats should be documented in the customer specific trees.</p>"},{"location":"developers-guide/#building","title":"Building","text":"<p>Tip</p> <p>For more details, see the Getting Started and System Requirements sections of the excellent Buildroot manual.</p> <p>Buildroot is almost stand-alone, it needs a few locally installed tools to bootstrap itself.  The most common ones are usually part of the base install of the OS, but specific ones for building need the following. The instructions here are for Debian/Ubuntu based systems (YMMV):</p> <pre><code>$ sudo apt install bc binutils build-essential bzip2 cpio \\\n                   diffutils file findutils git gzip      \\\n                   libncurses-dev libssl-dev perl patch   \\\n                   python3 rsync sed tar unzip wget       \\\n                   autopoint bison flex autoconf automake \\\n                   mtools\n</code></pre> <p>To build an Infix image; select the target and then make:</p> <pre><code>make x86_64_defconfig\nmake\n</code></pre> <p>Online help is available:</p> <pre><code>make help\n</code></pre> <p>To see available defconfigs for supported targets, use:</p> <pre><code>make list-defconfigs\n</code></pre>"},{"location":"developers-guide/#test","title":"Test","text":"<p>Working with the regression test framework, Infamy, a few more tools and services are required on your system:</p> <pre><code>$ sudo apt install jq graphviz qemu-system-x86 qemu-system-arm \\\n                   ethtool gdb-multiarch tcpdump tshark\n..\n</code></pre> <p>To be able to build the test specification you also need:</p> <pre><code>$ sudo apt-get install python3-graphviz ruby-asciidoctor-pdf\n..\n</code></pre>"},{"location":"developers-guide/#documentation","title":"Documentation","text":"<p>The documentation is written in Markdown, with GitHub extensions, and published using MkDocs, material theme.  This means some features require MkDocs hinting which may not render fully when previewing on GitHub -- this is OK.</p> <p>MkDocs is packaged and available to install via <code>apt</code>, but not all of the plugins and extensions we rely on are available, so instead we do recommend using <code>pipx</code> to install the necessary tooling:</p> <pre><code>$ sudo apt install pipx\n$ pipx install mkdocs\n$ pipx inject mkdocs mkdocs-material pymdown-extensions mkdocs-callouts mike mkdocs-to-pdf\n</code></pre> <p>The last two packages, <code>mike</code> and <code>mkdocs-to-pdf</code>, are used for online versioning and PDF generation by GitHub Actions, but since they are in the <code>mkdocs.yml</code> file, everyone who wants to preview the documentation have to install all the tooling.</p> <p>Preview with:</p> <pre><code>$ cd ~/src/infix/\n$ mkdocs serve\n</code></pre>"},{"location":"developers-guide/#development","title":"Development","text":"<p>Developing with Infix is the same as developing with Buildroot. When working with a package, be it locally kept sources, or when using <code>local.mk</code>, you only want to rebuild the parts you have modified:</p> <pre><code>make foo-rebuild\n</code></pre> <p>or</p> <pre><code>make foo-reconfigure\n</code></pre> <p>or, as a last resort when nothing seems to bite:</p> <pre><code>make foo-dirclean foo-rebuild\n</code></pre> <p>As shown here, you can combine multiple build targets and steps in one go, like this:</p> <pre><code>make foo-rebuild bar-rebuild all run\n</code></pre> <p>This rebuilds (and installs) <code>foo</code> and <code>bar</code>, the <code>all</code> target calls on Buildroot to finalize the target filesystem and generate the images. The final <code>run</code> argument is explained below.</p>"},{"location":"developers-guide/#yang-model","title":"YANG Model","text":"<p>When making changes to the <code>confd</code> and <code>statd</code> services, you will often need to update the YANG models.  If you are adding a new YANG module, it's best to follow the structure of an existing one.  However, before making any changes, always discuss them with the Infix core team. This helps avoid issues later in development and makes pull request reviews smoother.</p>"},{"location":"developers-guide/#confd","title":"<code>confd</code>","text":"<p>The Infix <code>src/confd/</code> is the engine of the system.  Currently it is a plugin for <code>systemd-plugind</code> and contains XPath subscriptions to all the supported YANG models.</p> <p>There are essentially two ways of adding support for a new YANG model:</p> <ul> <li>The sysrepo way, or</li> <li>The Infix way, using libsrx (the <code>lydx_*()</code> functions)</li> </ul> <p>The former is well documented in sysrepo, and the latter is best taught by example, e.g., <code>src/confd/src/infix-dhcp.c</code>.  Essentially libsrx is a way of traversing the libyang tree instead of fetching changes by XPath.</p> <p>When working with <code>confd</code> you likely want to enable full debug mode, this is how you do it:</p> <ol> <li>Open the file <code>package/confd/confd.conf</code></li> <li>Uncomment the first line <code>set DEBUG=1</code></li> <li>Change the following line to add <code>-v3</code> at the end<pre><code>[S12345] sysrepo-plugind -f -p /run/confd.pid -n -- Configuration daemon\n</code></pre> </li> </ol> <p>to:</p> <pre><code>[S12345] sysrepo-plugind -f -p /run/confd.pid -n -v3 -- Configuration daemon\n</code></pre> <p>Now you can rebuild <code>confd</code>, just as described above, and restart Infix:</p> <pre><code>make confd-rebuild all run\n</code></pre>"},{"location":"developers-guide/#statd","title":"<code>statd</code>","text":"<p>The Infix status daemon, <code>src/statd</code>, is responsible for populating the sysrepo <code>operational</code> datastore. Like <code>confd</code>, it uses XPath subscriptions, but unlike <code>confd</code>, it relies entirely on <code>yanger</code>, a Python script that gathers data from local linux services and feeds it into sysrepo.</p> <p>To apply changes, rebuild the image:</p> <pre><code>make python-statd-rebuild statd-rebuild all\n</code></pre> <p>Rebuilding the image and testing on target for every change during development process can be tedious. Instead, <code>yanger</code> allows remote execution, running the script directly on the host system (test container):</p> <pre><code>infamy0:test # ../src/statd/python/yanger/yanger -x \"../utils/ixll -A ssh d3a\" ieee802-dot1ab-lldp\n</code></pre> <p><code>ixll</code> is a utility script that lets you run network commands using an interface name instead of a hostname. It makes operations like <code>ssh</code>, <code>scp</code>, and network discovery easier.</p> <p>Normally, <code>yanger</code> runs commands locally to retrieve data (e.g., <code>lldpcli</code> when handling <code>ieee802-dot1ab-lldp</code>). However, when executed with <code>-x \"../utils/ixll -A ssh d3a\"</code> it redirects these commands to a remote system connected to the local <code>d3a</code> interface via SSH. This setup is used for running <code>yanger</code> in an interactive test environment. The yanger script runs on the <code>host</code> system, but key commands are executed on the <code>target</code> system.</p> <p>For debugging or testing, you can capture system command output and replay it later without needing a live system.</p> <p>To capture:</p> <pre><code>infamy0:test # ../src/statd/python/yanger/yanger -c /tmp/capture ieee802-dot1ab-lldp\n</code></pre> <p>To replay:</p> <pre><code>infamy0:test # ../src/statd/python/yanger/yanger -r /tmp/capture ieee802-dot1ab-lldp\n</code></pre> <p>This is especially useful when working in isolated environments or debugging issues without direct access to the DUT.</p>"},{"location":"developers-guide/#upgrading-packages","title":"Upgrading Packages","text":""},{"location":"developers-guide/#buildroot","title":"Buildroot","text":"<p>The Kernelkit team maintains an internal fork of Buildroot, with branches following the naming scheme <code>YYYY.MM.patch-kkit</code> e.g. <code>2025.02.1-kkit</code>, which means a new branch should be created whenever Buildroot is updated. These branches should contain only changes to existing packages (but no new patches), modifications to Buildroot itself or upstream backports.</p> <p>The team tracks the latest Buildroot LTS (Long-Term Support) release and updates.  The impact of minor LTS release upgrades is expected to have a very low impact and should be done as soon there is a patch release of a Buildroot LTS available.</p> <p>Depending on your setup, follow the appropriate steps below.</p>"},{"location":"developers-guide/#repo-locally-cloned-already","title":"Repo locally cloned already","text":"<ol> <li> <p>Navigate to the Buildroot directory</p> <pre><code>cd buildroot/\n</code></pre> </li> <li> <p>Pull the latest changes from KernelKit</p> <pre><code>git pull\n</code></pre> </li> <li> <p>Fetch the latest tags from upstream</p> <pre><code>git fetch upstream --tags\n</code></pre> </li> </ol>"},{"location":"developers-guide/#no-local-repo-yet","title":"No local repo yet","text":"<ol> <li> <p>Clone the Kernelkit Buildroot repository</p> <pre><code>git clone git@github.com:kernelkit/buildroot.git\n</code></pre> </li> <li> <p>Add the upstream remote</p> <pre><code>git remote add upstream https://gitlab.com/buildroot.org/buildroot.git\n</code></pre> </li> <li> <p>Checkout old KernelKit branch</p> <pre><code>git checkout 2025.02.1-kkit\n</code></pre> </li> </ol> <p>Note</p> <p>Below, it is not allowed to rebase the branch when bumped in Infix.</p>"},{"location":"developers-guide/#continue-here","title":"Continue Here","text":"<ol> <li> <p>Create a new branch based on the previous KernelKit Buildroot    release (e.g.  <code>2025.02.1-kkit</code>) and name it according to the naming    scheme (e.g. <code>2025.02.2-kkit</code>)</p> <pre><code>git checkout -b 2025.02.2-kkit\n</code></pre> </li> <li> <p>Rebase the new branch onto the corresponding upstream release</p> <pre><code>git rebase 2025.02.2\n</code></pre> </li> <li> <p>Push the new branch and tags</p> <pre><code>git push origin 2025.02.2-kkit --tags\n</code></pre> </li> <li> <p>In Infix, checkout new branch of Buildroot</p> <pre><code>cd buildroot\ngit fetch\ngit checkout 2025.02.2-kkit\n</code></pre> </li> <li> <p>Commit and push the changes.  Remember to update the ChangeLog!</p> </li> <li> <p>Create a pull request.</p> </li> </ol> <p>Note</p> <p>Remember to set the pull request label to <code>ci:main</code> to ensure full CI coverage.</p>"},{"location":"developers-guide/#linux-kernel","title":"Linux kernel","text":"<p>The KernelKit team maintains an internal fork of Linux kernel, with branches following the naming scheme <code>kkit-linux-[version].y</code>, e.g. <code>kkit-6.12.y</code>, which means a new branch should be created whenever the major kernel version is updated. This branch should contain all kernel patches used by Infix.</p> <p>The team tracks the latest Linux kernel LTS (Long-Term Support) release and updates.  The upgrade of LTS minor releases is expected to have low impact and should be done as soon as a patch release of the LTS Linux kernel is available.</p>"},{"location":"developers-guide/#repo-locally-cloned-already_1","title":"Repo locally cloned already","text":"<ul> <li>./utils/kernel-upgrade.sh /path/to/linux/tree</li> <li>Update Changelog</li> <li>push and create a pull request</li> </ul> <p>Note</p> <p>Remember to set the pull request label to <code>ci:main</code> to ensure full CI coverage.</p>"},{"location":"developers-guide/#testing","title":"Testing","text":"<p>Manual testing can be done using Qemu by calling make run, see also Infix in Virtual Environments, or on a physical device by upgrading to the latest build or \"netbooting\" and running the image from RAM.  The latter is how most board porting work is done -- much quicker change-load-test cycles.</p> <p>The Infix automated test suite is built around Qemu and Qeneth, see:</p> <ul> <li>Regression Testing with Infamy</li> <li>Docker Image</li> </ul> <p>With any new feature added to Infix, it is essential to include relevant test case(s).  See the Test Development section for guidance on adding test cases.</p>"},{"location":"developers-guide/#reviewing","title":"Reviewing","text":"<p>While reviewing a pull request, you might find yourself wanting to play around with a VM running that exact version.  For such occasions, gh-dl-artifact.sh is your friend in need!  It employs the GitHub CLI (gh) to locate a prebuilt image from our CI workflow, download it, and prepare a local output directory from which you can launch both <code>make run</code> instances, and run regression tests with <code>make test</code> and friends.</p> <p>For example, if you are curious about how PR 666 behaves in some particular situation, you can use <code>gh</code> to switch to that branch, from which <code>gh-dl-artifact.sh</code> can then download and prepare the corresponding image for execution with our normal tooling:</p> <pre><code>gh pr checkout 666\n./utils/gh-dl-artifact.sh\ncd x-artifact-a1b2c3d4-x86_64\nmake run\n</code></pre> <p>Note</p> <p>CI artifacts are built from a merge commit of the source and target branches.  Therefore, the version in the Infix banner will not match the SHA of the commit you have checked out.</p>"},{"location":"developers-guide/#contributing","title":"Contributing","text":"<p>Infix is built from many components, when contributing you need to set up your own fork, create a local branch for your change, push to your fork, and then use GitHub to create a Pull Reqeuest.</p> <p>For this to work as painlessly as possible for everyone involved:</p> <ol> <li>Fork Infix to your own user or organization<sup>1</sup></li> <li>Fork all the Infix submodules, e.g., <code>kernelkit/buildroot</code> to your     own user or organization as well</li> <li>Clone your fork of Infix to your laptop/workstation</li> <li>Deactivate the Actions you don't want in your fork</li> <li>Please read the Contributing Guidelines as well!</li> </ol> <pre><code>$ cd ~/Projects\n$ git clone https://github.com/YOUR_USER_NAME/infix.git\n...\n$ cd infix/\n$ git submodule update --init\n...\n</code></pre> <p>Note</p> <p>When updating/synchronizing with upstream Infix changes you may have to synchronize your forks as well.  GitHub have a <code>Sync fork</code> button in the GUI for your fork for this purpose.  A cronjob on your server of choice can do this for you with the GitHub CLI tool.</p> <ol> <li> <p>Organizations should make sure to lock the <code>main</code> (or <code>master</code>) branch of their clones to ensure members do not accidentally merge changes there.  Keeping these branches in sync with upstream Infix is highly recommended as a baseline and reference.  For integration of local changes another company-specific branch can be used instead.\u00a0\u21a9</p> </li> </ol>"},{"location":"dhcp/","title":"DHCP Server","text":""},{"location":"dhcp/#dhcp-server","title":"DHCP Server","text":"<p>The DHCPv4 server provides automatic IP address assignment and network configuration for clients.  It supports address pools, static host assignments, and customizable DHCP options.  It also serves as a DNS proxy for local subnets and can even forward queries to upstream DNS servers<sup>1</sup>.</p> <p>Note</p> <p>When using the CLI, the system automatically enables essential options like DNS servers and default gateway based on the system's network configuration.  These options can be disabled, changed or overridden, at any level: global, subnet, or per-host.</p>"},{"location":"dhcp/#basic-configuration","title":"Basic Configuration","text":"<p>The following example configures a DHCP server for subnet 192.168.2.0/24 with an address pool:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit dhcp-server subnet 192.168.2.0/24\nadmin@example:/config/dhcp-server/\u2026/192.168.2.0/24/&gt; set pool start-address 192.168.2.100 end-address 192.168.2.200\nadmin@example:/config/dhcp-server/\u2026/192.168.2.0/24/&gt; leave\n</code></pre> <p>When setting up the server from the CLI, the system automatically adds a few default DHCP options that will be sent to clients: both DNS server and default gateway will use the system address on the matching interface.</p> <pre><code>admin@example:/&gt; show running-config\n  \"infix-dhcp-server:dhcp-server\": {\n    \"subnet\": [\n      {\n        \"subnet\": \"192.168.2.0/24\",\n        \"option\": [\n          {\n            \"id\": \"dns-server\",\n            \"address\": \"auto\"\n          },\n          {\n            \"id\": \"router\",\n            \"address\": \"auto\"\n          }\n        ],\n        \"pool\": {\n          \"start-address\": \"192.168.2.100\",\n          \"end-address\": \"192.168.2.200\"\n        }\n      }\n    ]\n  }\n</code></pre> <p>Important</p> <p>Remember to set up an interface in this subnet, avoid using addresses in the DHCP pool, or reserved for static hosts.  In Class C networks the router usually has address <code>.1</code>.  Depending on the use-case, you may also want to set up routing.</p>"},{"location":"dhcp/#static-host-assignment","title":"Static Host Assignment","text":"<p>To reserve specific IP addresses for clients based on their MAC address, hostname, or client ID:</p> <pre><code>admin@example:/config/dhcp-server/\u2026/192.168.2.0/24/&gt; edit host 192.168.2.10\nadmin@example:/config/dhcp-server/\u2026/192.168.2.10/&gt; set match mac-address 00:11:22:33:44:55\nadmin@example:/config/dhcp-server/\u2026/192.168.2.10/&gt; set hostname printer\nadmin@example:/config/dhcp-server/\u2026/192.168.2.10/&gt; leave\n</code></pre> <p>Match hosts using a client identifier instead of MAC address:</p> <pre><code>admin@example:/config/dhcp-server/\u2026/192.168.1.0/24/&gt; edit host 192.168.1.50\nadmin@example:/config/dhcp-server/\u2026/192.168.1.50/&gt; edit match\nadmin@example:/config/dhcp-server/\u2026/match/&gt; set client-id hex c0:ff:ee\nadmin@example:/config/dhcp-server/\u2026/match/&gt; leave\nadmin@example:/config/dhcp-server/\u2026/192.168.1.50/&gt; set lease-time infinite\nadmin@example:/config/dhcp-server/\u2026/192.168.1.50/&gt; leave\n</code></pre> <p>The <code>hex</code> prefix here ensures matching of client ID is done using the hexadecimal octets <code>c0:ff:ee</code>, three bytes.  Without the prefix the ASCII string \"c0:ff:ee\", eight bytes, is used.</p> <p>Note</p> <p>The DHCP server is fully RFC conformant, in the case of option 61 this means that using the <code>hex</code> prefix will require the client to set the <code>htype</code> field of the option to <code>00</code>.  See RFC 2132 for details.</p>"},{"location":"dhcp/#custom-dhcp-options","title":"Custom DHCP Options","text":"<p>Configure additional DHCP options globally, per subnet, or per host:</p> <pre><code>admin@example:/config/dhcp-server/&gt; edit subnet 192.168.2.0/24\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/&gt; edit option dns-server\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/option/dns-server/&gt; set address 8.8.8.8\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/option/dns-server/&gt; leave\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/&gt; edit option ntp-server\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/option/ntp-server/&gt; set address 192.168.2.1\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/option/ntp-server/&gt; leave\n</code></pre> <p>When configuring, e.g., <code>dns-server</code>, or <code>router</code> options with the value <code>auto</code>, the system uses the IP address from the interface matching the subnet.  For example:</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv4                   192.168.1.1/24 (static)\neth1            ethernet   UP          02:00:00:00:00:01\n                ipv4                   192.168.2.1/24 (static)\n\nadmin@example:/config/dhcp-server/subnet/192.168.1.0/24/&gt; edit option dns-server\nadmin@example:/config/dhcp-server/subnet/192.168.1.0/24/option/dns-server/&gt; set address auto\nadmin@example:/config/dhcp-server/subnet/192.168.1.0/24/option/dns-server/&gt; leave\n</code></pre> <p>In this case, clients in subnet 192.168.1.0/24 will receive 192.168.1.1 as their DNS server address.</p>"},{"location":"dhcp/#multiple-subnets","title":"Multiple Subnets","text":"<p>Configure DHCP for multiple networks:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit dhcp-server\nadmin@example:/config/dhcp-server/&gt; edit subnet 192.168.1.0/24\nadmin@example:/config/dhcp-server/subnet/192.168.1.0/24/&gt; set pool start-address 192.168.1.100 end-address 192.168.1.200\nadmin@example:/config/dhcp-server/subnet/192.168.1.0/24/&gt; leave\nadmin@example:/config/dhcp-server/&gt; edit subnet 192.168.2.0/24\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/&gt; set pool start-address 192.168.2.100 end-address 192.168.2.200\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/&gt; leave\n</code></pre>"},{"location":"dhcp/#monitoring","title":"Monitoring","text":"<p>View active leases and server statistics:</p> <pre><code>admin@example:/&gt; show dhcp-server\nIP ADDRESS       MAC                HOSTNAME            CLIENT ID             EXPIRES\n192.168.2.22     00:a0:85:00:02:05                      00:c0:ff:ee           3591s\n192.168.1.11     00:a0:85:00:04:06  foo                 01:00:a0:85:00:04:06  3591s\n\nadmin@example:/&gt; show dhcp-server statistics\nDHCP offers sent                : 6\nDHCP ACK messages sent          : 5\nDHCP NAK messages sent          : 0\nDHCP decline messages received  : 0\nDHCP discover messages received : 6\nDHCP request messages received  : 5\nDHCP release messages received  : 6\nDHCP inform messages received   : 6\n</code></pre> <ol> <li> <p>This requires the system DNS resolver to be configured.\u00a0\u21a9</p> </li> </ol>"},{"location":"discovery/","title":"Device Discovery","text":""},{"location":"discovery/#device-discovery","title":"Device Discovery","text":"<p>Infix advertises itself via the mDNS-SD and LLDP discovery protocols.  mDNS-SD has good client support in Windows, macOS and on Linux systems.  More on these protocols later.</p> <p>An even simpler method is available when directly attached to an Infix device:</p> <pre><code>.----.       Ethernet      .--------.\n| PC +---------------------+ Device |\n'----' if1              e1 '--------'\n</code></pre> <p>With IPv6 you can ping the all-hosts address (ff02::1), the device's link-local IPv6 address is then seen in the response.  In the following example, the PC here uses tap0 as if1, Infix responds with address fe80::ff:fec0:ffed.</p> <pre><code>linux-pc:# ping -6 -L -c 3 ff02::1%tap0\nPING ff02::1%tap0(ff02::1%tap0) 56 data bytes\n64 bytes from fe80::ff:fec0:ffed%tap0: icmp_seq=1 ttl=64 time=0.558 ms\n64 bytes from fe80::ff:fec0:ffed%tap0: icmp_seq=2 ttl=64 time=0.419 ms\n64 bytes from fe80::ff:fec0:ffed%tap0: icmp_seq=3 ttl=64 time=0.389 ms\n\n--- ff02::1%tap0 ping statistics ---\n3 packets transmitted, 3 received, 0% packet loss, time 2043ms\nrtt min/avg/max/mdev = 0.389/0.455/0.558/0.073 ms\nlinux-pc:# \n</code></pre> <p>Tip</p> <p>The <code>-L</code> option ignores local responses from the PC.</p> <p>This address can then be used to connect to the device, e.g., using SSH. Notice the syntax <code>username@address%interface</code>:</p> <pre><code>linux-pc:# ssh admin@fe80::ff:fec0:ffed%tap0\nadmin@fe80::ff:fec0:ffed%tap0's password: admin\nadmin@infix-c0-ff-ee:~$ \n</code></pre>"},{"location":"discovery/#lldp","title":"LLDP","text":"<p>Infix supports LLDP (IEEE 802.1AB). For a device with factory default settings, the link-local IPv6 address can be read from the Management Address TLV using tcpdump or other sniffing tools<sup>1</sup>:</p> <pre><code>linux-pc:# tcpdump -i tap0 -Qin -v ether proto 0x88cc\ntcpdump: listening on tap0, link-type EN10MB (Ethernet), snapshot length 262144 bytes\n15:51:52.061071 LLDP, length 193\n    Chassis ID TLV (1), length 7\n      Subtype MAC address (4): 02:00:00:c0:ff:ee (oui Unknown)\n    Port ID TLV (2), length 7\n      Subtype MAC address (3): 02:00:00:c0:ff:ee (oui Unknown)\n    Time to Live TLV (3), length 2: TTL 120s\n    System Name TLV (5), length 14: infix-c0-ff-ee\n    System Description TLV (6), length 91\n      Infix by KernelKit Linux 5.19.17 #1 SMP PREEMPT_DYNAMIC Wed Jun 7 08:47:23 CEST 2023 x86_64\n    System Capabilities TLV (7), length 4\n      System  Capabilities [Bridge, WLAN AP, Router, Station Only] (0x009c)\n      Enabled Capabilities [Station Only] (0x0080)\n    Management Address TLV (8), length 24\n      Management Address length 17, AFI IPv6 (2): fe80::ff:fec0:ffed\n      Interface Index Interface Numbering (2): 2\n    Port Description TLV (4), length 4: eth0\n    Organization specific TLV (127), length 9: OUI IEEE 802.3 Private (0x00120f)\n      Link aggregation Subtype (3)\n        aggregation status [supported], aggregation port ID 0\n    Organization specific TLV (127), length 9: OUI IEEE 802.3 Private (0x00120f)\n      MAC/PHY configuration/status Subtype (1)\n        autonegotiation [none] (0x00)\n        PMD autoneg capability [unknown] (0x8000)\n        MAU type Unknown (0x0000)\n    End TLV (0), length 0\n^C\n1 packet captured\nlinux-pc:# \n</code></pre> <p>If the device has an IPv4 address assigned, it is shown in an additional Management Address TLV.</p> <p>Note</p> <p>The Management Addresses shown by LLDP are not necessarily associated with the port transmitting the LLDP message.</p> <p>In the example below, the IPv4 address (10.0.1.1) happens to be assigned to eth0, while the IPv6 address (2001:db8::1) is not.</p> <pre><code>linux-pc:# sudo tcpdump -i tap0 -Qin -v ether proto 0x88cc\ntcpdump: listening on tap0, link-type EN10MB (Ethernet), snapshot length 262144 bytes\n15:46:07.908665 LLDP, length 207\n    Chassis ID TLV (1), length 7\n      Subtype MAC address (4): 02:00:00:c0:ff:ee (oui Unknown)\n    Port ID TLV (2), length 7\n      Subtype MAC address (3): 02:00:00:c0:ff:ee (oui Unknown)\n    Time to Live TLV (3), length 2: TTL 120s\n    System Name TLV (5), length 14: infix-c0-ff-ee\n    System Description TLV (6), length 91\n      Infix by KernelKit Linux 5.19.17 #1 SMP PREEMPT_DYNAMIC Wed Jun 7 08:47:23 CEST 2023 x86_64\n    System Capabilities TLV (7), length 4\n      System  Capabilities [Bridge, WLAN AP, Router, Station Only] (0x009c)\n      Enabled Capabilities [Station Only] (0x0080)\n    Management Address TLV (8), length 12\n      Management Address length 5, AFI IPv4 (1): 10.0.1.1\n      Interface Index Interface Numbering (2): 2\n    Management Address TLV (8), length 24\n      Management Address length 17, AFI IPv6 (2): 2001:db8::1\n      Interface Index Interface Numbering (2): 3\n    Port Description TLV (4), length 4: eth0\n    Organization specific TLV (127), length 9: OUI IEEE 802.3 Private (0x00120f)\n      Link aggregation Subtype (3)\n        aggregation status [supported], aggregation port ID 0\n    Organization specific TLV (127), length 9: OUI IEEE 802.3 Private (0x00120f)\n      MAC/PHY configuration/status Subtype (1)\n        autonegotiation [none] (0x00)\n        PMD autoneg capability [unknown] (0x8000)\n        MAU type Unknown (0x0000)\n    End TLV (0), length 0\n^C\n1 packet captured\n2 packets received by filter\n0 packets dropped by kernel\nlinux-pc:#\n</code></pre> <p>The following capabilities are available via NETCONF/RESTCONF or the Infix CLI.</p>"},{"location":"discovery/#lldp-enabledisable","title":"LLDP Enable/Disable","text":"<p>The LLDP service can be disabled using the following commands.</p> <pre><code>admin@infix-c0-ff-ee:/&gt; configure\nadmin@infix-c0-ff-ee:/config/&gt; no lldp \nadmin@infix-c0-ff-ee:/config/&gt; leave\nadmin@infix-c0-ff-ee:/&gt; \n</code></pre> <p>To reenable it from the CLI config mode:</p> <pre><code>admin@test-00-01-00:/config/&gt; set lldp enabled \nadmin@test-00-01-00:/config/&gt; leave\n</code></pre>"},{"location":"discovery/#lldp-message-transmission-interval","title":"LLDP Message Transmission Interval","text":"<p>By default, LLDP uses a <code>message-tx-interval</code> of 30 seconds, as defined by the IEEE standard. Infix allows this value to be customized. To change it using the CLI:</p> <pre><code>admin@test-00-01-00:/config/&gt; set lldp message-tx-interval 1\nadmin@test-00-01-00:/config/&gt; leave\n</code></pre>"},{"location":"discovery/#lldp-administrative-status-per-interface","title":"LLDP Administrative Status per Interface","text":"<p>Infix supports configuring the LLDP administrative status on a per-port basis. The default mode is <code>tx-and-rx</code>, but the following options are  also supported:</p> <ul> <li><code>rx-only</code> \u2013 Receive LLDP packets only</li> <li><code>tx-only</code> \u2013 Transmit LLDP packets only</li> <li><code>disabled</code> \u2013 Disable LLDP on the interface</li> </ul> <p>Example configuration:</p> <pre><code>admin@test-00-01-00:/config/&gt; set lldp port e8 dest-mac-address 01:80:C2:00:00:0E admin-status disabled\nadmin@test-00-01-00:/config/&gt; set lldp port e5 dest-mac-address 01:80:C2:00:00:0E admin-status rx-only \nadmin@test-00-01-00:/config/&gt; set lldp port e6 dest-mac-address 01:80:C2:00:00:0E admin-status tx-only\nadmin@test-00-01-00:/config/&gt; leave\n</code></pre> <p>Note</p> <p>The destination MAC address must be the standard LLDP multicast  address: <code>01:80:C2:00:00:0E</code>.</p>"},{"location":"discovery/#displaying-lldp-neighbor-information","title":"Displaying LLDP Neighbor Information","text":"<p>In CLI mode, Infix also provides a convenient <code>show lldp</code> command to list LLDP neighbors detected on each interface:</p> <pre><code>admin@test-00-01-00:/&gt; show lldp \nINTERFACE       REM-IDX   TIME        CHASSIS-ID          PORT-ID             \ne5              1         902         00:a0:85:00:04:01   00:a0:85:00:04:07   \ne6              3         897         00:a0:85:00:03:01   00:a0:85:00:03:07   \ne8              2         901         00:a0:85:00:02:01   00:a0:85:00:02:05\n</code></pre>"},{"location":"discovery/#mdns-sd","title":"mDNS-SD","text":"<p>DNS-SD/mDNS-SD can be used to discover Infix devices and services.  By default, Infix use the <code>.local</code> domain for advertising services.  Some networks use <code>.lan</code> instead, so this configurable:</p> <pre><code>admin@infix-c0-ff-ee:/&gt; configure\nadmin@infix-c0-ff-ee:/config/&gt; edit mdns\nadmin@infix-c0-ff-ee:/config/mdns/&gt; set domain lan\n</code></pre> <p>Other available settings include limiting the interfaces mDNS responder acts on:</p> <pre><code>admin@infix-c0-ff-ee:/config/&gt; set interfaces allow e1\n</code></pre> <p>or</p> <pre><code>admin@infix-c0-ff-ee:/config/&gt; set interfaces deny wan\n</code></pre> <p>The <code>allow</code> and <code>deny</code> settings are complementary, <code>deny</code> always wins.</p> <p>In Linux, tools such as avahi-browse or mdns-scan<sup>2</sup> can be used to search for devices advertising their services via mDNS.</p> <pre><code>linux-pc:# avahi-browse -ar\n+   tap0 IPv6 infix-c0-ff-ee                                SFTP File Transfer   local\n+   tap0 IPv4 infix-c0-ff-ee                                SFTP File Transfer   local\n+   tap0 IPv6 infix-c0-ff-ee                                SSH Remote Terminal  local\n+   tap0 IPv4 infix-c0-ff-ee                                SSH Remote Terminal  local\n=   tap0 IPv4 infix-c0-ff-ee                                SFTP File Transfer   local\n   hostname = [infix-c0-ff-ee.local]\n   address = [10.0.1.1]\n   port = [22]\n   txt = []\n=   tap0 IPv4 infix-c0-ff-ee                                SSH Remote Terminal  local\n   hostname = [infix-c0-ff-ee.local]\n   address = [10.0.1.1]\n   port = [22]\n   txt = []\n=   tap0 IPv6 infix-c0-ff-ee                                SFTP File Transfer   local\n   hostname = [infix-c0-ff-ee.local]\n   address = [fe80::ff:fec0:ffed]\n   port = [22]\n   txt = []\n=   tap0 IPv6 infix-c0-ff-ee                                SSH Remote Terminal  local\n   hostname = [infix-c0-ff-ee.local]\n   address = [fe80::ff:fec0:ffed]\n   port = [22]\n   txt = []\n^C\nlinux-pc:#\n</code></pre> <p>Tip</p> <p>The <code>-t</code> option is also very useful, it stops browsing automatically when a \"more or less complete list\" has been printed.  However, some devices on the LAN may be in deep sleep so run the command again if you cannot find the device you are looking for.</p> <p>Additionally, avahi-resolve-host-name can be used to verify domain name mappings for IP addresses.  By default, it translates from IPv4 addresses.  This function allows users to confirm that addresses are mapped correctly.</p> <pre><code>linux-pc:# avahi-resolve-host-name infix-c0-ff-ee.local\ninfix-c0-ff-ee.local    10.0.1.1\nlinux-pc:#\n</code></pre> <p>Thanks to mDNS we can use the advertised name instead of the IP address for operations like <code>ping</code> and <code>ssh</code> as shown below:</p> <pre><code>linux-pc:# ping infix-c0-ff-ee.local -c 3\nPING infix-c0-ff-ee.local (10.0.1.1) 56(84) bytes of data.\n64 bytes from 10.0.1.1: icmp_seq=1 ttl=64 time=0.852 ms\n64 bytes from 10.0.1.1: icmp_seq=2 ttl=64 time=1.12 ms\n64 bytes from 10.0.1.1: icmp_seq=3 ttl=64 time=1.35 ms\n\n--- infix-c0-ff-ee.local ping statistics ---\n3 packets transmitted, 3 received, 0% packet loss, time 2003ms\nrtt min/avg/max/mdev = 0.852/1.105/1.348/0.202 ms\n\nlinux-pc:# ssh admin@infix-c0-ff-ee.local\n(admin@infix-c0-ff-ee.local) Password: \n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-\n\nRun the command 'cli' for interactive OAM\n\nlinux-pc:#\n</code></pre> <p>To disable mDNS/mDNS-SD, type the commands:</p> <pre><code>admin@infix-c0-ff-ee:/&gt; configure \nadmin@infix-c0-ff-ee:/config/&gt; no mdns\nadmin@infix-c0-ff-ee:/config/&gt; leave\n</code></pre>"},{"location":"discovery/#human-friendly-hostname-alias","title":"Human-Friendly Hostname Alias","text":"<p>Each Infix deviuce advertise itself as infix.local, in addition to its full hostname (e.g., infix-c0-ff-ee.local or foo.local).  This alias works seamlessly on a network with a single Infix device, and makes it easy to connect when the exact hostname is not known in advance.  The examples below show how the alias can be used for actions such as pinging or establishing an SSH connection:</p> <pre><code>linux-pc:# ping infix.local -c 3\nPING infix.local (10.0.1.1) 56(84) bytes of data.\n64 bytes from 10.0.1.1: icmp_seq=1 ttl=64 time=0.751 ms\n64 bytes from 10.0.1.1: icmp_seq=2 ttl=64 time=2.28 ms\n64 bytes from 10.0.1.1: icmp_seq=3 ttl=64 time=1.42 ms\n\n--- infix.local ping statistics ---\n3 packets transmitted, 3 received, 0% packet loss, time 2003ms\nrtt min/avg/max/mdev = 0.751/1.482/2.281/0.626 ms\n\nlinux-pc:# ssh admin@infix.local\n(admin@infix.local) Password: \n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-\n\nRun the command 'cli' for interactive OAM\n\nadmin@infix-c0-ff-ee:~$\n</code></pre> <p>When multiple Infix devices are present on the LAN the alias will not uniquely identify a device; infix.local will refer to any of the Infix devices, likely the one that first appeared.</p> <p>Note</p> <p>When multiple Infix devices are present on the LAN, use the full name, e.g., infix-c0-ff-ee.local or foo.local rather than the alias infix.local to deterministically connect to the device.</p>"},{"location":"discovery/#browse-network-using-networklocal","title":"Browse Network Using network.local","text":"<p>Another mDNS alias that all Infix devices advertise is network.local. This is a web service which basically runs <code>avahi-browse</code> and displays a table of other Infix devices and their services.</p> <p></p> <p>With multiple Infix devices on the LAN, one will take the role of your portal to access all others, if it goes down another takes its place.</p> <p>To disable the netbrowse service, and the network.local alias, the following commands can be used:</p> <pre><code>admin@infix-c0-ff-ee:/&gt; configure \nadmin@infix-c0-ff-ee:/config/&gt; edit web\nadmin@infix-c0-ff-ee:/config/web/&gt; no netbrowse\nadmin@infix-c0-ff-ee:/config/web/&gt; leave\n</code></pre> <ol> <li> <p>E.g., lldpd which includes the lldpcli too, handy to sniff and display LLDP packets.\u00a0\u21a9</p> </li> <li> <p>mdns-scan: a tool for scanning for mDNS/DNS-SD services on the local network.\u00a0\u21a9</p> </li> </ol>"},{"location":"eth-counters/","title":"RMON Counters","text":""},{"location":"eth-counters/#rmon-counters","title":"RMON Counters","text":"<p>This document show the mapping between YANG and Linux / Ethtool counters.</p> YANG Linux / Ethtool <code>in-total-octets</code> <code>FramesReceivedOK</code>, <code>FrameCheckSequenceErrors</code>, <code>FramesLostDueToIntMACRcvError</code>, <code>AlignmentErrors</code>, <code>etherStatsOversizePkts</code>, <code>etherStatsJabbers</code> <code>in-frames</code> <code>FramesReceivedOK</code> <code>in-multicast-frames</code> <code>MulticastFramesReceivedOK</code> <code>in-broadcast-frames</code> <code>BroadcastFramesReceivedOK</code> <code>in-error-fcs-frames</code> <code>FrameCheckSequenceErrors</code> <code>in-error-undersize-frames</code> <code>undersize_pkts</code> <code>in-error-oversize-frames</code> <code>etherStatsJabbers</code>, <code>etherStatsOversizePkts</code> <code>in-error-mac-internal-frames</code> <code>FramesLostDueToIntMACRcvError</code> <code>out-frames</code> <code>FramesTransmittedOK</code> <code>out-multicast-frames</code> <code>MulticastFramesXmittedOK</code> <code>out-broadcast-frames</code> <code>BroadcastFramesXmittedOK</code> <code>infix-eth:out-good-octets</code> <code>OctetsTransmittedOK</code> <code>infix-eth:in-good-octets</code> <code>OctetsReceivedOK</code>"},{"location":"firewall/","title":"Firewall Configuration","text":""},{"location":"firewall/#firewall-documentation","title":"Firewall Documentation","text":""},{"location":"firewall/#introduction","title":"Introduction","text":"<p>A zone-based firewall aims to simplify network security.  Instead of complex per-interface rules, you work with zones and policies.  Briefly, zones define a level of trust for all interfaces or networks assigned to it, and policies regulate the traffic flow between zones.</p> <p></p> <p>Figure 1. Zones group interfaces, policies control traffic flows.</p> <p>Three distinct traffic flows exist: traffic destined for the host itself, traffic between interfaces within the same zone (intra-zone), and traffic between different zones (inter-zones).</p> <p>The zone approach is not just more intuitive and maintainable, it allows you to think more in terms of trust relationships:</p> <ul> <li>\"internal networks can access the Internet\"</li> <li>\"Internet cannot access my internal network, except this port forward\"</li> </ul> <p>When you add new interfaces to existing zones, they automatically inherit the established security policies.  The amount of actual rules that matter to you is kept to a minimum.</p> <p>Impatient and ready to get going?</p> <p>Fast forward to the Examples: End Device, Home/Office Router, Enterprise Gateway</p>"},{"location":"firewall/#visual-overview","title":"Visual Overview","text":"<p>Use the zone matrix to quickly audit your firewall configuration and identify potential security gaps.  It provides an overview and shows the relationship between zones and the policies that connect them.  Each cell in the matrix represents a potential traffic flow, with rows indicating the ingress zone and columns the egress zone.</p> <p></p> <p>Figure 2. Example output from show firewall command.</p> <p>The matrix uses visual indicators to show the status of each zone and policy:</p> <p>\u2713 Green checkmark \u2014 traffic is explicitly allowed by policy \u2717 Red cross \u2014 traffic is blocked (default behavior) \u26a0 Yellow warning \u2014 watch out! Some traffic allowed, such as port forwarding rules</p> <p>This visualization helps you quickly understand your firewall's behavior and identify any unintended gaps or overly permissive rules in your configuration.</p> <p>Use the ? key in the CLI</p> <p>This admin-exec (top-level) CLI command has sub-commands that you can use to drill down on the operational data.  Tap the ? key once to see an overview after show firewall, or just use the classic UNIX Tab key to complete everything until you've found your command.</p>"},{"location":"firewall/#zones","title":"Zones","text":"<p>Zones are logical groupings of network interfaces or IP networks that share the same trust level.  Each zone has a default action that determines what happens to traffic destined for the host itself (INPUT chain).  A LAN zone may have this set to accept, while a DMZ zone may be set to reject by default and only allow a subset of available services (e.g., DHCP, DNS, SSH) that devices in the DMZ can use to reach the host.</p> <p>Important</p> <p>Interfaces and networks are mutually exclusive in zones \u2014 attempting to configure both will result in a validation error.  When setting up port forwarding from one zone to another, the destination network must be declared in a zone.</p>"},{"location":"firewall/#default-zone","title":"Default Zone","text":"<p>You must specify a default zone.  This serves as a safety net: any interface not explicitly assigned to a zone automatically belongs to the default zone, ensuring network interfaces remain protected by the firewall.  This automatic assignment is particularly useful when configuring new interfaces (e.g., VLANs, bridges, or hotplugged devices).</p> <p>Choose your default zone carefully \u2014 it should be the most restrictive zone appropriate for unmanaged interfaces.  For routers, this is typically the <code>wan</code> zone, but you can of course also set up a dedicated <code>block</code> zone. In the CLI, when first enabling the firewall, a <code>public</code> zone is created.  See more about this in the example below.</p> <p>Remember IP forwarding on interfaces!</p> <p>Firewall policies only control whether traffic is allowed on input, to be forwarded, or blocked (default).  For the actual routing between interfaces to work, you must also enable IP forwarding on the relevant interfaces.</p>"},{"location":"firewall/#intra-zone-traffic","title":"Intra-Zone Traffic","text":"<p>Traffic between different interfaces, or networks, in the same zone is not forwarded by default.  In most cases, if devices on separate interfaces need to communicate, they should be in different zones with a policy between them. Alternatively, if you want true LAN-like behavior, bridge the interfaces at layer-2 instead of routing between them at layer-3.</p> <p>Intra-zone forwarding \u2014 routing traffic within a single zone \u2014 is rarely needed.  But if you do require it, create a policy where both ingress and egress are set to the same zone, e.g., <code>lan</code> \u2192 <code>lan</code>.</p>"},{"location":"firewall/#port-forwarding","title":"Port Forwarding","text":"<p>Port forwarding, also known as destination NAT (DNAT), redirects inbound traffic to another address and/or port.  This allows external access to internal services.  See Enterprise Gateway for an example.</p> <p>Each zone can have port forwarding rules that apply to traffic arriving at that zone's interfaces or matching its networks.  The forwarded traffic must then be allowed by appropriate policies to reach the destination zone.</p> <p>The Zone Matrix shows a \u26a0 conditional warning flag, coloring the cell yellow, when exceptions like port forwarding are active.</p>"},{"location":"firewall/#policies","title":"Policies","text":"<p>In short, policy rules control traffic between zones.  By default all inter-zone (and intra-zone) traffic is rejected.  Meaning you must explicitly allow the traffic flows you intend.</p> <p></p> <p>Figure 3. Example of common traffic flows (policies) between zones.</p> <p>IP masquerading (SNAT) is a policy setting that applies to traffic egressing a target zone.  (Essential for Internet access from private networks.)</p> <p>A policy, like zones, have a default action.  If it is not set to <code>accept</code> you must specify which services on the host any zone interface and network are allowed access to.</p> <p>Note</p> <p>Policy rules apply in-order, the first matching rule with action <code>drop</code> will terminate the traffic flow.  Use action <code>continue</code> to allow processing to go to the next rule, until the last (implicit) default-drop rule at the end.</p> <p>The CLI currently does not support reordering rules.  As a workaround, save your <code>running-config</code> to <code>startup-config</code>, then exit to the shell and edit the file with <code>edit /cfg/startup-config.cfg</code>.</p> <p>See the examples below for how to set up a policy.  The built-in help system can also be useful: <code></code></p><pre><code>admin@example:/config/firewall/policy/lan-to-dmz/&gt; help masquerade\nNAME\n        masquerade \nDESCRIPTION\n        Enable masquerading (SNAT) for traffic matching this policy.\n        Matching traffic will have their source IP address changed on egress,\n        using the IP address of the interface the traffic egresses.\";\nadmin@example:/config/firewall/policy/lan-to-dmz/&gt;\n</code></pre><p></p>"},{"location":"firewall/#symbolic-names","title":"Symbolic Names","text":"<p>The symbolic names <code>HOST</code> and <code>ANY</code> are available for use in both <code>ingress</code> and <code>egress</code> zones.  In fact, the CLI uses inference when first enabling the firewall to inject a default policy to allow automatic IPv6 address assignment.</p> <ul> <li><code>HOST</code> \u2192 <code>ANY</code>: Control device to any outbound connection (default: allowed)</li> <li><code>ANY</code> \u2192 <code>HOST</code>: Control what can reach device services (uncommon, usually per-zone)</li> <li>Zone \u2192 <code>HOST</code>: Allow specific zone to access device services</li> </ul>"},{"location":"firewall/#custom-filters","title":"Custom Filters","text":"<p>For more advanced firewall scenarios custom filters can be used.  Currently only various ICMP type traffic control is supported.  Enough to support the built-in <code>allow-host-ipv6</code> policy and allow certain ICMP types on input or forward.</p> <p>You can inspect this built-in (locked) policy from admin-exec level with the command: show firewall policy allow-host-ipv6.</p>"},{"location":"firewall/#default-behavior","title":"Default Behavior","text":"<p>ICMP messages (particularly <code>echo-request</code> and <code>echo-reply</code>) can be used to reveal network information for malicious purposes. Therefore, the firewall blocks ICMP requests by default. This applies unless the zone's default action is <code>accept</code>.</p> <p>To enable <code>echo-request</code> (IPv4) for any interface, or per zone when action is set to drop or reject, set up a dedicated policy with <code>ingress ANY</code> and <code>egress HOST</code> that use a custom filter to accept that ICMP type.  Make this policy the first rule in your list of policies, and remember to use <code>continue</code> for non-matching traffic.</p> <p>Another built-in behavior is automatically allowing \"established,related\" return traffic flows. This uses connection tracking - the firewall remembers outbound connections you initiate and automatically allows the corresponding inbound response traffic. This means you only need to configure rules for new connections; the firewall handles return traffic automatically without additional rules.</p>"},{"location":"firewall/#services","title":"Services","text":"<p>Several pre-defined services exist, that cover most use-cases, but you can also define custom services for applications not covered by the built-in ones.</p> <p>The firewall includes over 100 pre-defined services, such as:</p> <ul> <li><code>ssh</code> \u2014 Secure Shell (port 22/tcp)</li> <li><code>http</code> \u2014 Web traffic (port 80/tcp)</li> <li><code>https</code> \u2014 Secure web traffic (port 443/tcp)</li> <li><code>dns</code> \u2014 Domain Name System (port 53/tcp and 53/udp)</li> <li><code>dhcp</code> \u2014 DHCP server (port 67/udp)</li> <li><code>dhcpv6-client</code> \u2014 DHCPv6 client traffic</li> <li><code>netconf</code> \u2014 Network Configuration Protocol (port 830/tcp)</li> <li><code>restconf</code> \u2014 REST-based Network Configuration Protocol (port 443/tcp)</li> </ul> <p>Use the ? key in the CLI</p> <p>See the YANG model for the full list, or tap the ? key when setting up an allowed host service in a zone <code>set service</code></p>"},{"location":"firewall/#examples","title":"Examples","text":""},{"location":"firewall/#end-device-protection","title":"End Device Protection","text":"<p>This is the default firewall setup, useful for end devices on untrusted networks.  It provides maximum protection while allowing essential connectivity. </p><pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit firewall\nadmin@example:/config/firewall/&gt; show\ndefault public;\nzone public {\n  action reject;\n  description \"Public, unknown network. Only SSH and DHCPv6 client allowed.\";\n  service dhcpv6-client;\n  service ssh;\n}\nadmin@example:/config/firewall/&gt; leave\n</code></pre><p></p> <p>The <code>reject</code> action differs from <code>drop</code> in that it responds to ICMP messages, although maybe not how you may think.  Pinging the device we may<sup>1</sup> see this: <code></code></p><pre><code>$ ping 192.168.122.161\nFrom 192.168.122.161 icmp_seq=1 Packet filtered\n</code></pre><p></p> <p>If we run <code>tcpdump</code> it shows us why: <code></code></p><pre><code>$ tcpdump -lni eth0\n20:10:40.245707 IP 192.168.122.1 &gt; 192.168.122.161: ICMP echo request, id 56838, seq 1, length 64\n20:10:40.245961 IP 192.168.122.161 &gt; 192.168.122.1: ICMP host 192.168.122.161 unreachable - admin prohibited filter, length 92\n</code></pre><p></p> <p>The key here is that, yes the device responds, but not with <code>ICMP reply</code> but <code>ICMP unreachable</code>, and a little helpful message.</p> <p>The default zone is <code>public</code>, so all interfaces that are not explicitly assigned to another zone will be operationally placed in this zone as a safeguard.  Inspect this from admin-exec context with show firewall, as can be seen in the below screenshot, the only interface <code>e1</code> has been assigned automatically to the public zone.  This information is also saved to the system log.</p> <p></p> <p>Figure 4. Zone matrix and firewall overview from show firewall.</p> <p>Important</p> <p>These defaults are inferred for interactive CLI users.  Enabling the firewall using NETCONF/RESTCONF will not yield the same results.</p>"},{"location":"firewall/#homeoffice-router","title":"Home/Office Router","text":"<p>For typical routers that need to protect internal devices while providing internet access.  The LAN zone trusts internal devices, while the WAN zone blocks external threats. </p><pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit firewall\nadmin@example:/config/firewall/&gt; set default wan\nadmin@example:/config/firewall/&gt; edit zone lan\nadmin@example:/config/firewall/\u2026/lan/&gt; set description \"Internal LAN network - trusted\"\nadmin@example:/config/firewall/\u2026/lan/&gt; set action accept\nadmin@example:/config/firewall/\u2026/lan/&gt; set interface eth1\nadmin@example:/config/firewall/\u2026/lan/&gt; set service ssh\nadmin@example:/config/firewall/\u2026/lan/&gt; set service dhcp\nadmin@example:/config/firewall/\u2026/lan/&gt; set service dns\nadmin@example:/config/firewall/\u2026/lan/&gt; end\nadmin@example:/config/firewall/&gt; edit zone wan\nadmin@example:/config/firewall/\u2026/wan/&gt; set description \"External WAN interface - untrusted\"\nadmin@example:/config/firewall/\u2026/wan/&gt; set action drop\nadmin@example:/config/firewall/\u2026/wan/&gt; set interface eth0\nadmin@example:/config/firewall/\u2026/wan/&gt; end\nadmin@example:/config/firewall/&gt; edit policy loc-to-wan\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set description \"Allow LAN traffic to WAN with SNAT\"\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set ingress lan\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set egress wan\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set action accept\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set masquerade\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; leave\n</code></pre><p></p>"},{"location":"firewall/#enterprise-gateway","title":"Enterprise Gateway","text":"<p>For businesses that need to host public services while protecting internal resources.  We can build upon the Home/Office Router example above and add a DMZ zone with additional policies for controlled access. </p><pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit firewall zone dmz\nadmin@example:/config/firewall/\u2026/dmz/&gt; set description \"Semi-trusted public services\"\nadmin@example:/config/firewall/\u2026/dmz/&gt; set action drop\nadmin@example:/config/firewall/\u2026/dmz/&gt; set interface eth1\nadmin@example:/config/firewall/\u2026/dmz/&gt; set service ssh\nadmin@example:/config/firewall/\u2026/dmz/&gt; end\nadmin@example:/config/firewall/&gt; edit policy loc-to-wan\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set description \"Allow local networks (LAN+DMZ) to WAN with SNAT\"\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set ingress dmz\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set egress wan\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set action accept\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set masquerade\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; end\nadmin@example:/config/firewall/&gt; edit policy lan-to-dmz\nadmin@example:/config/firewall/\u2026/lan-to-dmz/&gt; set description \"Allow LAN to manage DMZ services\"\nadmin@example:/config/firewall/\u2026/lan-to-dmz/&gt; set ingress lan\nadmin@example:/config/firewall/\u2026/lan-to-dmz/&gt; set egress dmz\nadmin@example:/config/firewall/\u2026/lan-to-dmz/&gt; set action accept\nadmin@example:/config/firewall/\u2026/lan-to-dmz/&gt; end\nadmin@example:/config/firewall/&gt; edit zone wan port-forward 8080 tcp\nadmin@example:/config/firewall/\u2026/tcp/&gt; set to addr 192.168.2.10\nadmin@example:/config/firewall/\u2026/tcp/&gt; set to port 80\nadmin@example:/config/firewall/\u2026/tcp/&gt; leave\n</code></pre><p></p> <p>This adds a DMZ zone for public services, updates the internet access policy to include DMZ traffic, allows LAN management of DMZ services, and forwards external web traffic to the DMZ server.</p>"},{"location":"firewall/#logging-and-monitoring","title":"Logging and Monitoring","text":"<p>Different log levels are available to monitor and debug firewall behavior. Configure logging using the CLI: </p><pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit firewall\nadmin@example:/config/firewall/&gt; set logging all\nadmin@example:/config/firewall/&gt; leave\n</code></pre><p></p> <p>Firewall logs help you understand traffic patterns and security events.  The CLI admin-exec command show firewall shows the last 10 log messages in the overview:</p> <p></p> <p>Figure 5. Summary of recent logs at the end of show firewall.</p> <p>Use the command show log firewall.log to display the full logfile (remember, the syslog daemon rotates and zips too big log files).  You can also use the follow firewall.log command to continuously monitor firewall log messages.</p>"},{"location":"firewall/#netfilter-integration","title":"Netfilter Integration","text":"<p>The Infix firewall operates through Linux netfilter hooks.  Understanding how the zones and policy concepts map to these hooks will hopefully help you understand the firewall's behavior and ease troubleshooting.</p>"},{"location":"firewall/#packet-flow","title":"Packet Flow","text":"<p>Figure 6. Linux netfilter hooks in layer-3 traffic flow.</p> Netfilter Hook Function Description <code>prerouting</code> ZONE Classification of incoming traffic, match interfaces/networks with zones <code>prerouting</code> ZONE Port forwarding (DNAT) from zone configuration <code>input</code> ZONE Host input filtering (<code>services</code>) <code>input</code> ZONE Default action for non-matching services (<code>action</code>) <code>forward</code> POLICY Allow traffic between zones (inter-zone rules) <code>postrouting</code> POLICY Masquerade (SNAT) when traffic egresses a zone"},{"location":"firewall/#prerouting-hook","title":"PREROUTING Hook","text":"<ul> <li>Zone Classification: Traffic is tagged based on ingress interface or   source network</li> <li>Port Forwarding: DNAT from zone configuration occurs before routing decisions</li> <li>Connection Tracking: Early state establishment for stateful filtering</li> </ul>"},{"location":"firewall/#input-hook","title":"INPUT Hook","text":"<ul> <li>ANY-to-HOST Policies: Enforces policy rules for traffic destined to the   host itself</li> <li>Zone Services: Allows configured services (SSH, HTTP, etc.) based on   zone trust level</li> <li>Zone Action: Applies a default action (accept/reject/drop) for   unmatched traffic</li> </ul>"},{"location":"firewall/#forward-hook","title":"FORWARD Hook","text":"<ul> <li>Policy Enforcement: Primary location for inter-zone traffic filtering</li> <li>Custom Filters: ICMP and other protocol-specific rules within policies</li> <li>Service Matching: Allows or denies services based on policy configuration</li> </ul>"},{"location":"firewall/#postrouting-hook","title":"POSTROUTING Hook","text":"<ul> <li>Masquerading: Source NAT for outbound traffic when policies enable masquerading</li> </ul>"},{"location":"firewall/#emergency-lockdown","title":"Emergency Lockdown","text":"<p>For security emergencies (active breaches, suspicious activity), the firewall supports an immediate lockdown mode that blocks ALL traffic.</p> <p>Danger</p> <p>This will immediately terminate all network connections, including SSH. Physical console access is required to restore normal operation.  It is also possible to restore normal operation by power-cycling the device.</p> <p>To activate emergency lockdown:</p> <pre><code>~$ curl -kX POST -u admin:admin -H \"Content-Type: application/yang-data+json\" \\\n        -d '{\"infix-firewall:input\": {\"operation\": \"now\"}}'                   \\\n        https://example.local/restconf/operations/infix-firewall:firewall/lockdown-mode\n</code></pre> <p>To cancel lockdown mode (requires console access):</p> <pre><code>~$ curl -kX POST -u admin:admin -H \"Content-Type: application/yang-data+json\" \\\n        -d '{\"infix-firewall:input\": {\"operation\": \"cancel\"}}'                \\\n        https://example.local/restconf/operations/infix-firewall:firewall/lockdown-mode\n</code></pre> <p>You can check the current lockdown state:</p> <pre><code>~$ curl -kX GET -u admin:admin -H 'Accept: application/yang-data+json' \\\n        https://example.local/restconf/data/infix-firewall:firewall/lockdown\n{\n  \"infix-firewall:firewall\": {\n    \"lockdown\": false\n  }\n}\n</code></pre> <ol> <li> <p>The output from ping clients differ A LOT.  Some do not consider ICMP unreachable to be a proper response and it will appear as if the device is not responding at all.  Use <code>tcpdump</code> or <code>wireshark</code> to get to the bottom of network mysteries.\u00a0\u21a9</p> </li> </ol>"},{"location":"hardware/","title":"Hardware Info & Status","text":""},{"location":"hardware/#hardware-information-and-status","title":"Hardware Information and Status","text":"<p>The hardware infomation and status is handled by the YANG model IETF hardware, with deviations and augmentations in infix-hardware.</p>"},{"location":"hardware/#usb-ports","title":"USB Ports","text":"<p>For Infix to be able to control USB port(s), a device tree modification is needed (see alder.dtsi for full example).</p> <pre><code> chosen {\n   infix {\n     usb-ports = &lt;&amp;cp0_usb3_1&gt;;\n     usb-port-names = \"USB\";\n   };\n };\n</code></pre> <p>Two USB ports are also exposed in QEMU for test purpose.</p> <p>All USB ports in the system will be disabled during boot due to the file <code>board/common/rootfs/etc/modprobe.d/usbcore.conf</code>.  If you do not want Infix to control USB port(s), remove the file or manually enable the USB bus, here is an example:</p> <pre><code># Enable the bus\necho 1 &gt; /sys/bus/usb/devices/usb1/authorized\n</code></pre> <p>And then enable sub-devices (e.g. USB memory)</p> <pre><code># Enable a device plugged into usb1\necho 1 &gt;  /sys/bus/usb/devices/usb1/1-1/authorized\n</code></pre>"},{"location":"hardware/#current-status","title":"Current status","text":"<pre><code>admin@example:/&gt; show hardware\n USB PORTS\n NAME                STATE\n USB                 unlocked\n</code></pre> <p>An USB port can be in two states unlocked and locked. When a port is locked, all connected devices will get power, but never authorized by Linux to use.</p>"},{"location":"hardware/#configure-usb-port","title":"Configure USB port","text":"<p>Note</p> <p>You can only configure USB ports known to the system.  See the CLI command <code>show hardware</code> in admin-exec context.  (Use <code>do</code> prefix in configure context.)</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; set hardware component USB state admin-state unlocked\nadmin@example:/config/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"hardware/#using-a-usb-stick","title":"Using a USB Stick","text":"<p>With the USB port unlocked, a memory stick can be used to expand the storage of the device.  Plug it in, either directly, or via a USB hub. All partitions of VFAT or exFAT type are automatically mounted to the <code>/media/&lt;LABLEL&gt;</code> directory, e.g., <code>/media/memorystick</code>, or if a partition does not have a label, using the kernel device name, e.g., <code>/media/sda</code>.</p> <p>Depending on the partition type the the media is either mounted in <code>flush</code> or <code>sync</code> mode to ensure files are properly flushed to the backing store of the memory stick.  This to protect against users yanking out a device before file(s) have been written to it.</p> <p>The only way currently to safely \"eject\" a USB memory stick is to use <code>umount</code> command from a UNIX shell, which explicitly synchronizes any cached data to disk before returning the prompt:</p> <pre><code>admin@example:~$ sudo umount /media/log\n</code></pre>"},{"location":"license/","title":"Origin & Licensing","text":""},{"location":"license/#origin-licensing","title":"Origin &amp; Licensing","text":"<p>Infix is entirely built on Open Source components (packages).  Most of them, as well as the build system with its helper scripts and tools, is from Buildroot, which is distributed under the terms of the GNU General Public License (GPL).  See the file COPYING for details.</p> <p>Some files in Buildroot may contain a different open source license statement.  Those files are licensed under the license contained in the file itself.</p> <p>Buildroot and Infix also bundle patch files, which are applied to the sources of the various packages.  Those patches are not covered by the license of Buildroot or Infix.  Instead, they are covered by the license of the software to which the patches are applied.  When said software is available under multiple licenses, the patches are only provided under the publicly accessible licenses.</p> <p>Infix releases include the license information covering all Open Source packages.  This is extracted automatically at build time using the tool <code>make legal-info</code>.  Any proprietary software built on top of Infix, or Buildroot, would need separate auditing to ensure it does not link with any GPL<sup>1</sup> licensed library.</p> <ol> <li> <p>Infix image builds use GNU libc (GLIBC) which is covered by the LGPL.  The LGPL does allow proprietary software, as long as said software is linking dynamically, not statically, to GLIBC.\u00a0\u21a9</p> </li> </ol>"},{"location":"management/","title":"Management","text":""},{"location":"management/#system-management","title":"System Management","text":"<p>The system utilizes YANG models for keeping configuration and operational data. These databases can be managed through different interfaces such as NETCONF, RESTCONF, and CLI via SSH or Console.</p>"},{"location":"management/#ssh-management","title":"SSH Management","text":"<p>An SSH server (SSHv2) is provided for remote management. It can be enabled/disabled as shown below.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit ssh\nadmin@example:/config/ssh/&gt; set enabled\nadmin@example:/config/ssh/&gt;\n</code></pre> <p>By default the SSH server accepts connections to port 22 on all its IP addresses, but this can be adjusted using the <code>listen</code> command. To make the server (only) listen for incoming connections to IP address 192.168.1.1 and port 12345 the following commands can be used.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit ssh\nadmin@example:/config/ssh/&gt; show\nenabled true;\nhostkey genkey;\nlisten ipv4 {\n  address 0.0.0.0;\n  port 22;\n}\nlisten ipv6 {\n  address ::;\n  port 22;\n}\nadmin@example:/config/ssh/&gt; no listen ipv6\nadmin@example:/config/ssh/&gt; edit listen ipv4\nadmin@example:/config/ssh/listen/ipv4/&gt; set address 192.168.1.1\nadmin@example:/config/ssh/listen/ipv4/&gt; set port 12345\nadmin@example:/config/ssh/listen/ipv4/&gt;\n</code></pre> <p>The default SSH hostkey is generated on first boot and is used in both SSH and NETCONF (SSH transport). Custom keys can be added to the configuration in <code>ietf-keystore</code>. The only supported hostkey type is RSA for now, thus the private key must be <code>ietf-crypto-types:rsa-private-key-format</code> and the public key <code>ietf-crypto-types:ssh-public-key-format</code></p>"},{"location":"management/#use-your-own-ssh-hostkeys","title":"Use your own SSH hostkeys","text":"<p>Hostkeys can be generated with OpenSSL: </p><pre><code>openssl genpkey -quiet -algorithm RSA -pkeyopt rsa_keygen_bits:2048 -outform PEM &gt; mykey\nopenssl rsa -RSAPublicKey_out &lt; mykey &gt; mykey.pub\n</code></pre> Store the keys in <code>ietf-keystore</code> without the header and footer information created by OpenSSL.<p></p> <p>After the key has been stored in the keystore and given the name mykey it can be added to SSH configuration:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit ssh\nadmin@example:/config/ssh/&gt; set hostkey mykey\n</code></pre>"},{"location":"management/#console-port","title":"Console Port","text":"<p>For units with a console port, it is possible for users to login to shell/CLI with functionality similar to what is provided via SSH.</p> <p>The type and setup for your console port is product specific. For instance, it can be a USB-C port connected to the CPU serial port using a USB-to-serial converter. To connect you would need a USB-C cable connected to the console port of the device. The serial port is typically setup to run at 115200 baud, 8N1.</p> <pre><code>Infix OS \u2014 Immutable.Friendly.Secure v24.11.1 (ttyS0)\nexample login: admin\nPassword:\n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-'\n\nRun the command 'cli' for interactive OAM\n\nadmin@example:~$\n</code></pre> <p>The <code>resize</code> command can be used to update terminal settings to the size of your terminal window.</p> <pre><code>admin@example:~$ resize\nCOLUMNS=115;LINES=59;export COLUMNS LINES;\nadmin@example:~$\n</code></pre> <p>CLI can be entered from shell in the same way as for SSH.</p> <pre><code>admin@example:~$ cli\n\nSee the 'help' command for an introduction to the system\n\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\ne1              ethernet   LOWER-DOWN  00:53:00:06:03:01\ne2              ethernet   LOWER-DOWN  00:53:00:06:03:02\n...\nadmin@example:/&gt;\n</code></pre>"},{"location":"management/#web-web-console-and-restconf","title":"Web, Web-console and RESTCONF","text":"<p>The system provides a set of Web services:</p> <ul> <li>a rudimentary Web server, currently limited to an information page</li> <li>a RESTCONF server with equivalent management capabilities as NETCONF</li> <li>a Web console service, where the shell/CLI can be accessed via   HTTPS, similar to connecting via a console port or SSH</li> </ul> <p>There is also a Netbrowse Web service presenting information about the unit's neighbors, collected via mDNS (see Discovery for more details).</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit web\nadmin@example:/config/web/&gt; help\n  enabled                           Enable or disable on all web services.\n  console                           Web console interface.\n  netbrowse                         mDNS Network Browser.\n  restconf                          IETF RESTCONF Server.\nadmin@example:/config/web/&gt;\n</code></pre>"},{"location":"management/#enabledisable-web-service-and-server","title":"Enable/disable Web Service and Server","text":"<p>The Web service can be enabled as shown below.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit web\nadmin@example:/config/web/&gt; set enabled\nadmin@example:/config/web/&gt; \n</code></pre> <p>Enabling the Web service implies that a Web server is enabled. Currently this Web server provides generic Infix information, as well as a link to a Web console. The Web server uses HTTPS; any HTTP request is redirected to HTTPS.</p> <p>The enabled setting for the Web service acts as a global enable/disable setting for the other Web services (Web console, RESTCONF and Netbrowse).</p>"},{"location":"management/#enabledisable-web-console","title":"Enable/disable Web Console","text":"<p>The Web console service provides a terminal service similar to Console or SSH. The Web console is secured via HTTPS on port 7861.</p> <p>The Web console has its own enable/disable setting, but will only be activated if the Web service is enabled. The example below shows how to disable the Web console.</p> <pre><code>admin@example:/config/web/&gt; edit console\nadmin@example:/config/web/console/&gt; no enabled\nadmin@example:/config/web/console/&gt;\n</code></pre>"},{"location":"management/#enabledisable-restconf-service","title":"Enable/disable RESTCONF Service","text":"<p>Alternatively, the system can be managed remotely using RESTCONF. Meaning you can <code>curl</code> it instead of using a dedicated NETCONF client.</p> <p>The RESTCONF service has its own enable/disable setting, but will only be activated if the Web service is enabled. The example below shows how to disable the RESTCONF service.</p> <pre><code>admin@example:/config/web/&gt; edit restconf\nadmin@example:/config/web/restconf/&gt; no enabled\nadmin@example:/config/web/restconf/&gt;\n</code></pre>"},{"location":"management/#system-upgrade","title":"System Upgrade","text":"<p>See Upgrade &amp; Boot Order for information on upgrading.</p>"},{"location":"netboot/","title":"Netboot HowTo","text":""},{"location":"netboot/#netboot-howto","title":"Netboot HowTo","text":"<p>This document describes how to set up network booting U-Boot devices on a LAN, e.g., when working with an evaluation board or other embedded system.  The most secure way to do this is with a local LAN between a PC and the device.</p> <p>Instead of setting up everything in U-Boot to download the Linux Image, device tree, and initramfs, we will let U-Boot download a script with instructions to run.  When you have multiple systems (boards) this quickly becomes a lot easier to manage.</p> <p>Note</p> <p>Instructions in this HowTo assume a Debian based development system, e.g., Ubuntu or Linux Mint.</p>"},{"location":"netboot/#network-interface-setup","title":"Network Interface Setup","text":"<p>For two dedicated network interfaces, here <code>eth2</code> and <code>eth3</code> (ymmv), we create an old-style interfaces config<sup>1</sup> with the following content:</p> <pre><code># /etc/network/interfaces.d/gimli\nauto eth2\niface eth2 inet static\n        address 192.168.0.1\n        netmask 255.255.255.0\n\nauto eth3\niface eth3 inet manual\n</code></pre> <p>Tip</p> <p>Use configuration file names in <code>.d/</code> directories that make sense and can easily be remembered.  Here we use the hostname of the PC.</p>"},{"location":"netboot/#dhcptftp-server-setup","title":"DHCP/TFTP Server Setup","text":"<p>The examples given here use <code>dnsmasq</code>, which provides both DHCP and TFTP server support.  The same can be achieved with other implementations.</p> <p>Similar to <code>interfaces.d</code>, dnsmasq has an <code>/etc/dnsmasq.d</code> directory so we can use \"snippets\" instead of modifying <code>/etc/dnsmasq.conf</code> directly. Add a file called <code>/etc/dnsmasq.d/gimli</code>.</p> <p>Initial content:</p> <pre><code># Remember IP address handed out to BOOTP clients\nbootp-dynamic\n# Disable check-if-ip-address-is-already-used\nno-ping\n\n# Enable TFTP server, use /srv/ftp, same as any FTP server, useful\n# when using the same images for system upgrade as for netbooting.\nenable-tftp\ntftp-root=/srv/ftp\n</code></pre> <p>Caution</p> <p>First of all, make sure you DO NOT accidentally set up dnsmasq so that it starts acting as a DHCP server also on your office LAN!  Follow the instructions below for more details.</p> <p>If you have many interfaces used for lab equipment and only one office LAN interface, then use something like this:</p> <pre><code># Disable DHCP server on loopback and office LAN (eth0)\nexcept-interface=lo\nexcept-interface=eth0\n</code></pre> <p>To further lock this down, we only run the DHCP server on each of the interfaces used for lab equipment, with a dedicated IP range as well:</p> <pre><code># Currently I have an imx8mp-evk on eth2, so on my system I have a\n# symlink bootfile-eth2 -&gt; netboot.scr\ninterface=eth2\ndhcp-range=192.168.0.100,192.168.0.199,1h\ndhcp-boot=tag:eth2,bootfile-eth2\n</code></pre>"},{"location":"netboot/#bootfile-netbootscr","title":"Bootfile netboot.scr","text":"<p>The bootfile U-Boot retrieves from the TFTP server is a script that looks like this, <code>netboot.sh</code>:</p> <pre><code>setenv ramdisk_addr_r 0x58000000\nsetenv fdt_addr_r     0x50400000\n\nsetenv autoboot off\ntftp ${fdt_addr_r}     imx8mp-evk/imx8mp-evk.dtb\ntftp ${kernel_addr_r}  imx8mp-evk/Image\ntftp ${ramdisk_addr_r} imx8mp-evk/rootfs.squashfs\n\nsetenv bootargs console=ttymxc1,115200 root=/dev/ram0 brd.rd_size=500000 rauc.slot=net\nbooti ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r}\n</code></pre> <p>U-Boot cannot read script files directly, so we need to wrap it with a FIT format header, this is done by first converting it on the PC:</p> <pre><code>$ mkimage -T script -d netboot.sh netboot.scr\n</code></pre> <p>The output is <code>netboot.scr</code> which we symlink to above in the dnsmasq setup step.</p>"},{"location":"netboot/#u-boot-commands","title":"U-Boot Commands","text":"<p>U-Boot is a maze of environment variables, some with values, some wrap commands, and most are undocumented.  We will use a prefix for our variables to ensure we do not overwrite anything you may want to use later.</p> <pre><code>==&gt; setenv ixboot 'dhcp &amp;&amp; source \\${fileaddr}'\n==&gt; saveenv\n</code></pre> <ol> <li> <p>To prevent NetworkManager from automatically managing the interfaces.\u00a0\u21a9</p> </li> </ol>"},{"location":"networking/","title":"Network Configuration","text":""},{"location":"networking/#network-configuration","title":"Network Configuration","text":"<p>Infix aims to support all Linux Networking constructs.  The YANG models used to describe the system are chosen to fit well and leverage the underlying Linux kernel's capabilities.  The ietf-interfaces.yang model forms the base, extended with ietf-ip.yang and other layer-3 IETF models.  The layer-2 bridge and aggregate models are defined by Infix to exploit the unique features not available in IEEE models.</p> <p>Important</p> <p>When issuing <code>leave</code> to activate your changes, remember to also save your settings, <code>copy running-config startup-config</code>.  See the CLI Introduction for a background.</p>"},{"location":"networking/#interface-lego","title":"Interface LEGO\u00ae","text":"<p>The network building blocks available in Linux are akin to the popular LEGO\u00ae bricks.</p> <p></p> <p>There are two types of relationships that can link two blocks together:</p> <ol> <li>Lower-to-upper: Visually represented by an extruding square      connected upwards to a square socket.  An interface can only have      a single lower-to-upper relationship, i.e., it can be attached to      a single upper interface like a bridge or a LAG.  In <code>iproute2</code>      parlance, this corresponds to the interface's <code>master</code> setting</li> <li>Upper-to-lower: Visually represented by an extruding semicircle      connected downwards to a semicircle socket.  The lower interface in      these relationships accepts multiple upper-to-lower relationships      from different upper blocks.  E.g., multiple VLANs and IP address      blocks can be connected to the same lower interface</li> </ol> <p></p> <p>An interface may simultaneously have a lower-to-upper relation to some other interface, and be the target of one or more upper-to-lower relationships.  It is valid, for example, for a physical port to be attached to a bridge, but also have a VLAN interface stacked on top of it.  In this example, traffic assigned to the VLAN in question would be diverted to the VLAN interface before entering the bridge, while all other traffic would be bridged as usual.</p> Type Yang Model Description bridge infix-if-bridge SW implementation of an IEEE 802.1Q bridge ip ietf-ip, infix-ip IP address to the subordinate interface vlan infix-if-vlan Capture all traffic belonging to a specific 802.1Q VID lag infix-if-lag Link aggregation, static and IEEE 802.3ad (LACP) lo ietf-interfaces Software loopback interface eth ieee802-ethernet-interface Physical Ethernet device/port. infix-ethernet-interface veth infix-if-veth Virtual Ethernet pair, typically one end is in a container common ietf-interfaces, Properties common to all interface types infix-interfaces"},{"location":"networking/#data-plane","title":"Data Plane","text":"<p>The blocks you choose, and how you connect them, defines your data plane. Here we see an example of how to bridge a virtual port with a physical LAN.</p> <p></p> <p>Depending on the (optional) VLAN filtering of the bridge, the container may have full or limited connectivity with outside ports, as well as the internal CPU.</p> <p>In fact the virtual port connected to the bridge can be member of several VLANs, with each VLAN being an interface with an IP address inside the container.</p> <p>Thanks to Linux, and technologies like switchdev, that allow you to split a switching fabric into unique (isolated) ports, the full separation and virtualization of all Ethernet layer properties are possible to share with a container.  Meaning, all the building blocks used on the left hand side can also be used freely on the right hand side as well.</p>"},{"location":"networking/#general","title":"General","text":"<p>General interface settings include <code>type</code>, <code>enable</code>, custom MAC address, and text <code>description</code>.  Other settings have their own sections, below.</p> <p>The <code>type</code> is important to set when configuring devices remotely because unlike the CLI, a NETCONF or RESTCONF session cannot guess the interface type for you.  The operating system provides an override of the available interface types.</p> <p>An <code>enabled</code> interface can be inspected using the operational datastore, nodes <code>admin-state</code> and <code>oper-state</code> show the status, .  Possible values are listed in the YANG model.</p> <p>The <code>custom-phys-address</code> can be used to set an interface's MAC address. This is an extension to the ietf-interfaces YANG model, which defines <code>phys-address</code> as read-only<sup>4</sup>.  The following shows the different configuration options.</p> <p>The <code>description</code> is saved as Linux <code>ifalias</code> on an interface.  It is a free-form string, useful for describing purpose or just adding comments for remote debugging, e.g., using the operational datastore.</p> <p>Caution</p> <p>There is no validation or safety checks performed by the system when using <code>custom-phys-address</code>.  In particular the <code>offset</code> variant can be dangerous to use -- pay attention to the meaning of bits in the upper-most octet: local bit, multicast/group, etc.</p>"},{"location":"networking/#fixed-custom-mac","title":"Fixed custom MAC","text":"<pre><code>admin@example:/config/&gt; edit interface veth0a\nadmin@example:/config/interface/veth0a/&gt; set custom-phys-address static 00:ab:00:11:22:33\n\n=&gt; 00:ab:00:11:22:33\n</code></pre>"},{"location":"networking/#chassis-mac","title":"Chassis MAC","text":"<p>Chassis MAC, sometimes also referred to as base MAC.  In these two examples it is <code>00:53:00:c0:ff:ee</code>.</p> <pre><code>admin@example:/config/&gt; edit interface veth0a\nadmin@example:/config/interface/veth0a/&gt; set custom-phys-address chassis\n\n=&gt; 00:53:00:c0:ff:ee\n</code></pre>"},{"location":"networking/#chassis-mac-with-offset","title":"Chassis MAC, with offset","text":"<p>When constructing a derived address it is recommended to set the locally administered bit.  Same chassis MAC as before.</p> <pre><code>admin@example:/config/&gt; edit interface veth0a\nadmin@example:/config/interface/veth0a/&gt; set custom-phys-address chassis offset 02:00:00:00:00:02\n\n=&gt; 02:53:00:c0:ff:f0\n</code></pre>"},{"location":"networking/#bridging","title":"Bridging","text":"<p>This is the most central part of the system.  A bridge is a switch, and a switch is a bridge.  In Linux, setting up a bridge with ports connected to physical switch fabric, means you manage the actual switch fabric!</p>"},{"location":"networking/#mac-bridge","title":"MAC Bridge","text":"<p>In Infix ports are by default not switch ports, unless the customer specific factory config sets it up this way.  To enable switching, with offloading if you have a switch chipset, between ports you create a bridge and then add ports to that bridge.  Like this:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface br0\nadmin@example:/config/interface/br0/&gt; up\nadmin@example:/config/&gt; set interface eth0 bridge-port bridge br0\nadmin@example:/config/&gt; set interface eth1 bridge-port bridge br0\nadmin@example:/config/&gt; leave\n</code></pre> <p>Here we add two ports to bridge <code>br0</code>: <code>eth0</code> and <code>eth1</code>.</p> <p>Tip</p> <p>The CLI has several built-in helpers governed by convention.  E.g., naming bridges <code>brN</code>, where <code>N</code> is a number, the type is inferred automatically and unlocks all bridge features.  Other conventions are <code>vethNA</code>, where <code>N</code> is a number and <code>A</code> is a letter ('a' for access port and 'b' for bridge side is common), and <code>ethN.M</code> for VLAN M on top of <code>ethN</code>, or <code>dockerN</code> for a IP masquerading container bridge.</p> <p>Note, this inference only works with the CLI, configuring networking over NETCONF or RESTCONF requires setting the type explicitly.</p> <p></p> <p>It is possible to create multiple MAC bridges, however, it is currently<sup>5</sup> not recommended to use more than one MAC bridge on products with Marvell LinkStreet switching ASICs. A VLAN filtering bridge should be used instead.</p>"},{"location":"networking/#vlan-filtering-bridge","title":"VLAN Filtering Bridge","text":"<p>By default bridges in Linux do not filter based on VLAN tags.  This can be enabled when creating a bridge by adding a port to a VLAN as a tagged or untagged member.  Use the port default VID (PVID) setting to control VLAN association for traffic ingressing a port untagged (default PVID: 1).</p> <pre><code>admin@example:/config/&gt; edit interface br0\nadmin@example:/config/interface/br0/&gt; up\nadmin@example:/config/&gt; set interface eth0 bridge-port bridge br0\nadmin@example:/config/&gt; set interface eth0 bridge-port pvid 10\nadmin@example:/config/&gt; set interface eth1 bridge-port bridge br0\nadmin@example:/config/&gt; set interface eth1 bridge-port pvid 20\nadmin@example:/config/&gt; edit interface br0\nadmin@example:/config/interface/br0/&gt; set bridge vlans vlan 10 untagged eth0\nadmin@example:/config/interface/br0/&gt; set bridge vlans vlan 20 untagged eth1\n</code></pre> <p>This sets <code>eth0</code> as an untagged member of VLAN 10 and <code>eth1</code> as an untagged member of VLAN 20.  Switching between these ports is thus prohibited.</p> <p></p> <p>To terminate a VLAN in the switch itself, either for switch management or for routing, the bridge must become a (tagged) member of the VLAN.</p> <pre><code>admin@example:/config/interface/br0/&gt; set bridge vlans vlan 10 tagged br0\nadmin@example:/config/interface/br0/&gt; set bridge vlans vlan 20 tagged br0\n</code></pre> <p>To route or to manage via a VLAN, a VLAN interface needs to be created on top of the bridge, see section VLAN Interfaces below for more on this topic.</p> <p>Note</p> <p>In some use-cases only a single management VLAN on the bridge is used. For the example above, if the bridge itself is an untagged member only in VLAN 10, IP addresses can be set directly on the bridge without the need for dedicated VLAN interfaces on top of the bridge.</p>"},{"location":"networking/#multicast-filtering-and-snooping","title":"Multicast Filtering and Snooping","text":"<p>Multicast filtering in the bridge is handled by the bridge itself.  It can filter both IP multicast and MAC multicast.  For IP multicast it also supports \"snooping\", i.e., IGMP and MLD, to automatically reduce the broadcast effects of multicast.  See the next section for a summary of the terminology used.</p> <p>Important</p> <p>Currently there is no way to just enable multicast filtering without also enabling snooping.  This may change in the future, in which case a <code>filtering</code> enabled setting will be made available along with the existing <code>snooping</code> setting.</p> <p>When creating your bridge you must decide if you need a VLAN filtering bridge or a plain bridge (see previous section).  Multicast filtering is supported for either, but take note that it must be enabled and set up per VLAN when VLAN filtering is enabled -- there are no global multicast settings in this operating mode.</p> <p>In the following example we have a regular 8-port bridge without VLAN filtering.  We focus on the multicast specific settings:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface br0\nadmin@example:/config/interface/br0/&gt; set bridge multicast snooping\nadmin@example:/config/interface/br0/&gt; set ipv4 address 192.168.2.1 prefix-length 24\nadmin@example:/config/interface/br0/&gt; leave\nadmin@example:/&gt; copy running-config startup-config\n</code></pre> <p>Here we enable snooping and set a static IPv4 address so that the switch can take part in IGMP querier elections.  (MLD querier election currently not supported.)  We can inspect the current state:</p> <pre><code>admin@example:/&gt; show ip multicast\nMulticast Overview\nQuery Interval (default): 125 sec\nRouter Timeout          : 255\nFast Leave Ports        :\nRouter Ports            :\nFlood Ports             : e0, e1, e2, e3, e4, e5, e6, e7\n\nInterface       VID  Querier                     State  Interval  Timeout  Ver\nbr0                  192.168.2.1                    Up       125     None    3\n\nBridge          VID  Multicast Group       Ports\nbr0                  224.1.1.1             e3, e2\nbr0                  ff02::6a              br0\n</code></pre> <p>This is a rather small LAN, so our bridge has already become the elected IGMP querier.  We see it is ours because the timeout is <code>None</code>, and we recognize the IP address the system has detected, as ours.  We can also see two ports that have joined the same IPv4 multicast group, 224.1.1.1, and one join from the system itself for the IPv6 group ff02::6a.</p> <p>Now, let us see what happens when we add another bridge, this time with VLAN filtering enabled.  We skip the boring parts about how to move ports e4-e7 to <code>br1</code> and assign them to VLANs, and again, focus on the multicast bits only:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface br1\nadmin@example:/config/interface/br1/&gt; set bridge vlans vlan 1 multicast snooping\nadmin@example:/config/interface/br1/&gt; set bridge vlans vlan 2 multicast snooping\nadmin@example:/config/interface/br1/&gt; leave\nadmin@example:/&gt; copy running-config startup-config\n</code></pre> <p>Let us see what we get:</p> <pre><code>admin@example:/&gt; show ip multicast\nMulticast Overview\nQuery Interval (default): 125 sec\nRouter Timeout          : 255\nFast Leave Ports        : e5\nRouter Ports            : e1, e2, e5, e6, e7\nFlood Ports             : e1, e2, e3, e4, e5, e6, e7, e8\n\nInterface       VID  Querier                     State  Interval  Timeout  Ver\nbr0                  192.168.2.1                    Up       125     None    3\nbr1               1  0.0.0.0                        Up       125     None    3\nbr1               2  0.0.0.0                        Up       125     None    3\n\nBridge          VID  Multicast Group       Ports\nbr0                  224.1.1.1             e2\nbr0                  ff02::fb              br0\nbr0                  ff02::6a              br0\nbr0                  ff02::1:ff00:0        br0\nbr1               1  224.1.1.1             e5\nbr1               2  224.1.1.1             e7\nbr1               1  ff02::fb              br1\nbr1               1  ff02::1:ff00:0        br1\n</code></pre> <p>In this setup we have a lot more going on.  Multiple multicast router ports have been detected, and behind the scenes someone has also added an IGMP/MLD fast-leave port.</p>"},{"location":"networking/#terminology-abbreviations","title":"Terminology &amp; Abbreviations","text":"<ul> <li>IGMP: Internet Group Membership Protocol, multicast subscription    for IPv4, for details see RFC3376</li> <li>MLD: Multicast Listener Discovery (Protocol), multicast    subscription for IPv6, for details see RFC3810</li> <li>Unknown/Unregistered multicast: multicast groups that are not    in the multicast forwarding database (MDB)</li> <li>Known/Registered multicast: multicast groups that are in the    multicast forwarding database (MDB)</li> <li>MDB: the multicast forwarding database, consists of filters for    multicast groups, directing where multicast is allowed to egress.  A    filter entry consists of a group and a port list.  The bridge filters    with a unique database per VLAN, in the same was as the unicast FDB</li> <li>Join/Leave: the terminology used in earlier versions of the two    protocols to subscribe and unsubscribe to a multicast group.  For    more information, see Membership Report</li> <li>Membership Report A membership report is sent by end-devices and    forwarded by switches to the elected querier on the LAN.  They    consist of multiple \"join\" and \"leave\" operations on groups.  They    can also, per group, list which senders to allow or block.  Switches    usually only support the group subscription, and even more common    also only support filtering on the MAC level<sup>3</sup></li> <li>Querier election: the process of determining who is the elected    IGMP/MLD querier on a LAN.  Lowest numerical IP address wins, the    special address 0.0.0.0 (proxy querier) never wins</li> <li>Proxy querier: when no better querier exists on a LAN, one or    more devices can send proxy queries with source address 0.0.0.0 (or    :: for IPv6).  See Query Interval, below, why this is a good    thing</li> <li>Query interval: the time in seconds between two queries from an    IGMP/MLD querier.  It is not uncommon that end-devices do not send    their membership reports unless they first hear a query</li> <li>Fast Leave: set on a bridge port to ensure multicast is pruned as    quickly as possible when a \"leave\" membership report is received.  In    effect, this option marks the port as directly connected to an    end-device.  When not set (default), a query with timeout is first    sent to ensure no unintentional loss of multicast is incurred</li> <li>Router port: can be both configured statically and detected at    runtime based on connected devices, usually multicast routers.  On    a router port all multicast is forwarded, both known and unknown</li> <li>Flood port: set on a bridge port (default: enabled) to ensure    all unknown multicast is forwarded</li> <li>Router timeout: the time in seconds until a querier is deemed to    have been lost and another device (switch/router) takes over.  In the    tables shown above, a None timeout is declared when the current    device is the active querier</li> </ul> <p>Tip</p> <p>The reason why multicast flooding is enabled by default is to ensure safe co-existence with MAC multicast, which is common in industrial networks.  It also allows end devices that do not know of IGMP/MLD to communicate over multicast as long as the group they have chosen is not used by other IGMP/MLD aware devices on the LAN.</p> <p>As soon as an IGMP/MLD membership report to \"join\" a group is received the group is added to the kernel MDB and forwarding to other ports stop.  The only exception to this rule is multicast router ports.</p> <p>If your MAC multicast forwarding is not working properly, it may be because an IP multicast group maps to the same MAC address.  Please see RFC 1112 for details.  Use static multicast router ports, or static multicast MAC filters, to mitigate.</p>"},{"location":"networking/#forwarding-of-ieee-reserved-group-addresses","title":"Forwarding of IEEE Reserved Group Addresses","text":"<p>Addresses in the range <code>01:80:C2:00:00:0X</code> are used by various bridge signaling protocols, and are not forwarded by default.  Still, it is sometimes useful to let the bridge forward such packets, this can be done by specifying protocol names or the last address nibble as decimal value <code>0..15</code>:</p> <pre><code>admin@example:/config/&gt; edit interface br0 bridge\nadmin@example:/config/interface/br0/bridge/&gt; set ieee-group-forward     # Tap the ? ley for alternatives\n  [0..15]  List of IEEE link-local protocols to forward, e.g., STP, LLDP\n  dot1x    802.1X Port-Based Network Access Control.\n  lacp     802.3 Slow Protocols, e.g., LACP.\n  lldp     802.1AB Link Layer Discovery Protocol (LLDP).\n  stp      Spanning Tree (STP/RSPT/MSTP).\nadmin@example:/config/interface/br0/bridge/&gt; set ieee-group-forward\n</code></pre> <p>The following example configures bridge br0 to forward LLDP packets.</p> <pre><code>admin@example:/config/interface/br0/bridge/&gt; set ieee-group-forward lldp\nadmin@example:/config/interface/br0/bridge/&gt;\n</code></pre>"},{"location":"networking/#link-aggregation","title":"Link Aggregation","text":"<p>A link aggregate, or lag, allows multiple physical interfaces to be combined into a single logical interface, providing increased bandwidth (in some cases) and redundancy (primarily).  Two modes of qualifying lag member ports are available:</p> <ol> <li>static: Active members selected based on link status (carrier)</li> <li>lacp: IEEE 802.3ad Link Aggregation Control Protocol</li> </ol> <p>In LACP mode, LACPDUs are exchanged by the link partners to qualify each lag member, while in static mode only carrier is used.  This additional exchange in LACP ensures traffic can be forwarded in both directions.</p> <p>Traffic distribution, for both modes, across the active lag member ports is determined by the hash policy<sup>1</sup>.  It uses an XOR of the source, destination MAC addresses and the EtherType field.  This, IEEE 802.3ad-compliant, algorithm will place all traffic to a particular network peer on the same link.  Meaning there is no increased bandwidth for communication between two specific devices.</p> <p>Tip</p> <p>Similar to other interface types, naming your interface <code>lagN</code>, where <code>N</code> is a number, allows the CLI to automatically infer the interface type as LAG.</p>"},{"location":"networking/#basic-configuration","title":"Basic Configuration","text":"<p>Creating a link aggregate interface and adding member ports:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface lag0\nadmin@example:/config/interface/lag0/&gt; set lag mode static\nadmin@example:/config/interface/lag0/&gt; end\nadmin@example:/config/&gt; set interface eth7 lag-port lag lag0\nadmin@example:/config/&gt; set interface eth8 lag-port lag lag0\nadmin@example:/config/&gt; leave\n</code></pre> <p>A static lag responds only to link (carrier) changes of member ports. E.g., in this example egressing traffic is continuously distributed over the two links until link down on one link is detected, triggering all traffic to be steered to the sole remaining link.</p>"},{"location":"networking/#lacp-configuration","title":"LACP Configuration","text":"<p>LACP mode provides dynamic negotiation of the link aggregate.  Key settings include:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface lag0\nadmin@example:/config/interface/lag0/&gt; set lag mode lacp\nadmin@example:/config/interface/lag0/&gt; set lag lacp mode passive\nadmin@example:/config/interface/lag0/&gt; set lag lacp rate fast\nadmin@example:/config/interface/lag0/&gt; set lag lacp system-priority 100\n</code></pre> <p>LACP mode supports two operational modes:</p> <ul> <li>active: Initiates negotiation by sending LACPDUs (default)</li> <li>passive: Waits for peer to initiate negotiation</li> </ul> <p>Note</p> <p>At least one end of the link must be in active mode for negotiation to occur.</p> <p>The LACP rate setting controls protocol timing:</p> <ul> <li>slow: LACPDUs sent every 30 seconds, with 90 second timeout (default)</li> <li>fast: LACPDUs sent every second, with 3 second timeout</li> </ul>"},{"location":"networking/#link-flapping","title":"Link Flapping","text":"<p>To protect against link flapping, debounce timers can be configured to delay link qualification.  Usually only the <code>up</code> delay is needed:</p> <pre><code>admin@example:/config/interface/lag0/lag/link-monitor/&gt; edit debounce\nadmin@example:/config/interface/lag0/lag/link-monitor/debounce/&gt; set up 500\nadmin@example:/config/interface/lag0/lag/link-monitor/debounce/&gt; set down 200\n</code></pre>"},{"location":"networking/#operational-status-overview","title":"Operational Status, Overview","text":"<p>Like other interfaces, link aggregates are also available in the general interfaces overview in the CLI admin-exec context.  Here is the above static mode aggregate:</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\n.\n.\n.\nlag0            lag        UP          static: balance-xor, hash: layer2\n\u2502               ethernet   UP          00:a0:85:00:02:00\n\u251c eth7          lag        ACTIVE\n\u2514 eth8          lag        ACTIVE\n</code></pre> <p>Same aggregate, but in LACP mode:</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\n.\n.\n.\nlag0            lag        UP          lacp: active, rate: fast (1s), hash: layer2\n\u2502               ethernet   UP          00:a0:85:00:02:00\n\u251c eth7          lag        ACTIVE      active, short_timeout, aggregating, in_sync, collecting, distributing\n\u2514 eth8          lag        ACTIVE      active, short_timeout, aggregating, in_sync, collecting, distributing\n</code></pre>"},{"location":"networking/#operational-status-detail","title":"Operational Status, Detail","text":"<p>In addition to basic status shown in the interface overview, detailed LAG status can be inspected:</p> <pre><code>admin@example:/&gt; show interfaces name lag0\nname                : lag0\nindex               : 25\nmtu                 : 1500\noperational status  : up\nphysical address    : 00:a0:85:00:02:00\nlag mode            : static\nlag type            : balance-xor\nlag hash            : layer2\nlink debounce up    : 0 msec\nlink debounce down  : 0 msec\nipv4 addresses      :\nipv6 addresses      :\nin-octets           : 0\nout-octets          : 2142\n</code></pre> <p>Same aggregate, but in LACP mode:</p> <pre><code>admin@example:/&gt; show interfaces name lag0\nname                : lag0\nindex               : 24\nmtu                 : 1500\noperational status  : up\nphysical address    : 00:a0:85:00:02:00\nlag mode            : lacp\nlag hash            : layer2\nlacp mode           : active\nlacp rate           : fast (1s)\nlacp aggregate id   : 1\nlacp system priority: 65535\nlacp actor key      : 9\nlacp partner key    : 9\nlacp partner mac    : 00:a0:85:00:03:00\nlink debounce up    : 0 msec\nlink debounce down  : 0 msec\nipv4 addresses      :\nipv6 addresses      :\nin-octets           : 100892\nout-octets          : 111776\n</code></pre> <p>Member ports provide additional status information:</p> <ul> <li>Link failure counter: number of detected link failures</li> <li>LACP state flags: various states of LACP negotiation:</li> <li><code>active</code>: port is actively sending LACPDUs</li> <li><code>short_timeout</code>: using fast rate (1s) vs. slow rate (30s)</li> <li><code>aggregating</code>: port is allowed to aggregate in this LAG</li> <li><code>in_sync</code>: port is synchronized with partner</li> <li><code>collecting</code>: port is allowed to receive traffic</li> <li><code>distributing</code>: port is allowed to send traffic</li> <li><code>defaulted</code>: using default partner info (partner not responding)</li> <li><code>expired</code>: partner info has expired (no LACPDUs received)</li> <li>Aggregator ID: unique identifier for this LAG group</li> <li>Actor state: LACP state flags for this port (local)</li> <li>Partner state: LACP state flags from the remote port</li> </ul> <p>Example member port status:</p> <pre><code>admin@example:/&gt; show interfaces name eth7\nname                : eth7\nindex               : 8\nmtu                 : 1500\noperational status  : up\nphysical address    : 00:a0:85:00:02:00\nlag member          : lag0\nlag member state    : active\nlacp aggregate id   : 1\nlacp actor state    : active, short_timeout, aggregating, in_sync, collecting, distributing\nlacp partner state  : active, short_timeout, aggregating, in_sync, collecting, distributing\nlink failure count  : 0\nipv4 addresses      :\nipv6 addresses      :\nin-octets           : 473244\nout-octets          : 499037\n</code></pre>"},{"location":"networking/#example-switch-uplink-with-lacp","title":"Example: Switch Uplink with LACP","text":"<p>LACP mode provides the most robust operation, automatically negotiating the link aggregate and detecting configuration mismatches.</p> <p>A common use case is connecting a switch to an upstream device:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface lag0\nadmin@example:/config/interface/lag0/&gt; set lag mode lacp\n</code></pre> <p>Enable fast LACP for quicker fail-over:</p> <pre><code>admin@example:/config/interface/lag0/&gt; set lag lacp rate fast\n</code></pre> <p>Add uplink ports</p> <pre><code>admin@example:/config/interface/lag0/&gt; end\nadmin@example:/config/&gt; set interface eth7 lag-port lag lag0\nadmin@example:/config/&gt; set interface eth8 lag-port lag lag0\n</code></pre> <p>Enable protection against \"link flapping\".</p> <pre><code>admin@example:/config/interface/lag0/&gt; edit lag link-monitor\nadmin@example:/config/interface/lag0/lag/link-monitor/&gt; edit debounce\nadmin@example:/config/interface/lag0/lag/link-monitor/debounce/&gt; set up 500\nadmin@example:/config/interface/lag0/lag/link-monitor/debounce/&gt; set down 200\nadmin@example:/config/interface/lag0/lag/link-monitor/debounce/&gt; top\n</code></pre> <p>Add to bridge for switching</p> <pre><code>admin@example:/config/interface/lag0/lag/link-monitor/debounce/&gt; end\nadmin@example:/config/&gt; set interface lag0 bridge-port bridge br0\nadmin@example:/config/&gt; leave\n</code></pre>"},{"location":"networking/#vlan-interfaces","title":"VLAN Interfaces","text":"<p>Creating a VLAN can be done in many ways.  This section assumes VLAN interfaces created atop another Linux interface.  E.g., the VLAN interfaces created on top of the Ethernet interface or bridge in the picture below.</p> <p></p> <p>A VLAN interface is basically a filtering abstraction. When you run <code>tcpdump</code> on a VLAN interface you will only see the frames matching the VLAN ID of the interface, compared to all the VLAN IDs if you run <code>tcpdump</code> on the lower-layer interface.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0.20\nadmin@example:/config/interface/eth0.20/&gt; show\ntype vlan;\nvlan {\n  tag-type c-vlan;\n  id 20;\n  lower-layer-if eth0;\n}\nadmin@example:/config/interface/eth0.20/&gt; leave\n</code></pre> <p>The example below assumes bridge br0 is already created, see VLAN Filtering Bridge.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface vlan10\nadmin@example:/config/interface/vlan10/&gt; set vlan id 10\nadmin@example:/config/interface/vlan10/&gt; set vlan lower-layer-if br0\nadmin@example:/config/interface/vlan10/&gt; leave\n</code></pre> <p>As conventions, a VLAN interface for VID 20 on top of an Ethernet interface eth0 is named eth0.20, and a VLAN interface for VID 10 on top of a bridge interface br0 is named vlan10.</p> <p>Note</p> <p>If you name your VLAN interface <code>foo0.N</code> or <code>vlanN</code>, where <code>N</code> is a number, the CLI infers the interface type automatically.</p>"},{"location":"networking/#physical-ethernet-interfaces","title":"Physical Ethernet Interfaces","text":""},{"location":"networking/#ethernet-settings-and-status","title":"Ethernet Settings and Status","text":"<p>Physical Ethernet interfaces provide low-level settings for speed/duplex as well as packet status and statistics.</p> <p>By default, Ethernet interfaces defaults to auto-negotiating speed/duplex modes, advertising all speed and duplex modes available. In the example below, the switch would by default auto-negotiate speed 1 Gbit/s on port eth1 and 100 Mbit/s on port eth4, as those are the highest speeds supported by H1 and H2 respectively.</p> <p></p> <p>The speed and duplex status for the links can be listed as shown below, assuming the link operational status is 'up'. </p> <pre><code>admin@example:/&gt; show interfaces name eth1\nname                : eth1\nindex               : 2\nmtu                 : 1500\noperational status  : up\nauto-negotiation    : on\nduplex              : full\nspeed               : 1000\nphysical address    : 00:53:00:06:11:01\nipv4 addresses      :\nipv6 addresses      : \nin-octets           : 75581\nout-octets          : 43130\n...\nadmin@example:/&gt; show interfaces name eth4\nname                : eth4\nindex               : 5\nmtu                 : 1500\noperational status  : up\nauto-negotiation    : on\nduplex              : full\nspeed               : 100\nphysical address    : 00:53:00:06:11:04\nipv4 addresses      :\nipv6 addresses      : \nin-octets           : 75439\nout-octets          : 550704\n...\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#configuring-fixed-speed-and-duplex","title":"Configuring fixed speed and duplex","text":"<p>Auto-negotiation of speed/duplex mode is desired in almost all use-cases, but it is possible to disable auto-negotiation and specify a fixed speed and duplex mode.</p> <p>Important</p> <p>When setting a fixed speed and duplex mode, ensure both sides of the link have matching configuration.  If speed does not match, the link will not come up.  If duplex mode does not match, the result is reported collisions and/or bad throughput.</p> <p>The example below configures port eth3 to fixed speed 100 Mbit/s half-duplex mode. </p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth3 ethernet\nadmin@example:/config/interface/eth3/ethernet/&gt; set speed 0.1\nadmin@example:/config/interface/eth3/ethernet/&gt; set duplex half\nadmin@example:/config/interface/eth3/ethernet/&gt; set auto-negotiation enable false\nadmin@example:/config/interface/eth3/ethernet/&gt; show\nauto-negotiation {\n  enable false;\n}\nduplex half;\nspeed 0.1;\nadmin@example:/config/interface/eth3/ethernet/&gt; leave\nadmin@example:/&gt; \n</code></pre> <p>Speed metric is in Gbit/s.  Auto-negotiation needs to be disabled in order for fixed speed/duplex to apply. Only speeds <code>0.1</code>(100 Mbit/s) and <code>0.01</code> (10 Mbit/s) can be specified. 1 Gbit/s and higher speeds require auto-negotiation to be enabled.</p>"},{"location":"networking/#ethernet-statistics","title":"Ethernet statistics","text":"<p>Ethernet packet statistics<sup>6</sup> can be listed as shown below.</p> <pre><code>admin@example:/&gt; show interfaces name eth1\nname                : eth1\nindex               : 2\nmtu                 : 1500\noperational status  : up\nauto-negotiation    : on\nduplex              : full\nspeed               : 1000\nphysical address    : 00:53:00:06:11:0a\nipv4 addresses      :\nipv6 addresses      : \nin-octets           : 75581\nout-octets          : 43130\n\neth-in-frames                : 434\neth-in-multicast-frames      : 296\neth-in-broadcast-frames      : 138\neth-in-error-fcs-frames      : 0\neth-in-error-oversize-frames : 0\neth-out-frames               : 310\neth-out-multicast-frames     : 310\neth-out-broadcast-frames     : 0\neth-out-good-octets          : 76821\neth-in-good-octets           : 60598\nadmin@example:/&gt; \n</code></pre>"},{"location":"networking/#veth-pairs","title":"VETH Pairs","text":"<p>A Virtual Ethernet (VETH) pair is basically a virtual Ethernet cable.  A cable can be \"plugged in\" to a bridge and the other end can be given to a container, or plugged into another bridge.</p> <p>The latter example is useful if you have multiple bridges in the system with different properties (VLAN filtering, IEEE group forwarding, etc.), but still want some way of communicating between these domains.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface veth0a\nadmin@example:/config/interface/veth0a/&gt; set veth peer veth0b\nadmin@example:/config/interface/veth0a/&gt; end\nadmin@example:/config/&gt; diff\ninterfaces {\n+  interface veth0a {\n+    type veth;\n+    veth {\n+      peer veth0b;\n+    }\n+  }\n+  interface veth0b {\n+    type veth;\n+    veth {\n+      peer veth0a;\n+    }\n+  }\n}\nadmin@example:/config/&gt;\n</code></pre> <p>Tip</p> <p>This is another example of the automatic inference of the interface type from the name.  Any name can be used, but then you have to set the interface type to <code>veth</code> manually.</p>"},{"location":"networking/#management-plane","title":"Management Plane","text":"<p>This section details IP Addresses And Other Per-Interface IP settings.</p> <p>Infix support several network interface types, each can be assigned one or more IP addresses, both IPv4 and IPv6 are supported.  (There is no concept of a \"primary\" address.)</p> <p></p>"},{"location":"networking/#ipv4-address-assignment","title":"IPv4 Address Assignment","text":"<p>Multiple address assignment methods are available:</p> Type Yang Model Description static ietf-ip Static assignment of IPv4 address, e.g., 10.0.1.1/24 link-local infix-ip Auto-assignment of IPv4 address in 169.254.x.x/16 range dhcp infix-dhcp-client Assignment of IPv4 address by DHCP server, e.g., 10.0.1.1/24 <p>Note</p> <p>The DHCP address method is only available for LAN interfaces (Ethernet, virtual Ethernet (veth), bridge, link aggregates, etc.)</p> <p>Supported DHCP (request) options, configurability (Cfg) and defaults, are listed below.  Configurable options can be disabled on a per client interface basis, some options, like <code>clientid</code> and option 81, are possible to set the value of as well.</p> Opt Name Cfg Description 1 <code>netmask</code> No Request IP address and netmask 3 <code>router</code> Yes Default route(s), see also option 121 and 249 6 <code>dns-server</code> Yes DNS server(s), static ones take precedence 12 <code>hostname</code> Yes DHCP cannot set hostname, only for informing server 15 <code>domain</code> Yes Default domain name, for name resolution 28 <code>broadcast</code> Yes Broadcast address, calculated if disabled 42 <code>ntp-server</code> Yes NTP server(s), static ones take precedence 50 <code>address</code> Yes Request (previously cached) address 61 <code>client-id</code> Yes Default MAC address (and option 12) 81 <code>fqdn</code> Yes Similar to option 12, request FQDN update in DNS 119 <code>search</code> Yes Request domain search list 121 <code>classless-static-route</code> Yes Classless static routes 249 <code>ms-classless-static-route</code> Yes Microsoft static route, same as option 121 <p>Default: <code>router</code>, <code>dns-server</code>, <code>domain</code>, <code>broadcast</code>, <code>ntp-server</code>, <code>search</code>,              <code>address</code>, <code>classless-static-route</code>, <code>ms-classless-static-route</code></p> <p>When configuring a DHCP client, ensure that the NTP client is enabled for the <code>ntp-server</code> DHCP option to be processed correctly.  If the NTP client is not enabled, any NTP servers provided by the DHCP server will be ignored. For details on how to enable the NTP client, see the NTP Client Configuration section.</p> <p>Important</p> <p>Per RFC3442, if the DHCP server returns both a Classless Static Routes option (121) and Router option (3), the DHCP client must ignore the latter.</p>"},{"location":"networking/#ipv6-address-assignment","title":"IPv6 Address Assignment","text":"<p>Multiple address assignment methods are available:</p> Type Yang Model Description static ietf-ip Static assignment of IPv6 address, e.g., 2001:db8:0:1::1/64 link-local ietf-ip<sup>2</sup> (RFC4862) Auto-configured link-local IPv6 address (fe80::0 prefix + interface identifier, e.g., fe80::ccd2:82ff:fe52:728b/64) global auto-conf ietf-ip (RFC4862) Auto-configured (stateless) global IPv6 address (prefix from router + interface identifier, e.g., 2001:db8:0:1:ccd2:82ff:fe52:728b/64 <p>Both for link-local and global auto-configuration, it is possible to auto-configure using a random suffix instead of the interface identifier.</p>"},{"location":"networking/#examples","title":"Examples","text":"<pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>To illustrate IP address configuration, the examples below uses a switch with a single Ethernet interface (eth0) and a loopback interface (lo). As shown above, these examples assume eth0 has an IPv6 link-local address and lo has static IPv4 and IPv6 addresses by default.</p>"},{"location":"networking/#static-and-link-local-ipv4-addresses","title":"Static and link-local IPv4 addresses","text":"<pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv4\nadmin@example:/config/interface/eth0/ipv4/&gt; set address 10.0.1.1 prefix-length 24\nadmin@example:/config/interface/eth0/ipv4/&gt; set autoconf\nadmin@example:/config/interface/eth0/ipv4/&gt; diff\n+interfaces {\n+  interface eth0 {\n+    ipv4 {\n+      address 10.0.1.1 {\n+        prefix-length 24;\n+      }\n+      autoconf;\n+    }\n+  }\n+}\nadmin@example:/config/interface/eth0/ipv4/&gt; leave\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv4                   169.254.1.3/16 (random)\n                ipv4                   10.0.1.1/24 (static)\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>As shown, the link-local IPv4 address is configured with <code>set autoconf</code>. The presence of the <code>autoconf</code> container enables IPv4 link-local address assignment. The resulting address (169.254.1.3/16) is of type random (ietf-ip.yang).</p> <p>The IPv4LL client also supports a <code>request-address</code> setting which can be used to \"seed\" the client's starting address.  If the address is free it will be used, otherwise it falls back to the default algorithm.</p> <pre><code>admin@example:/config/interface/eth0/ipv4/&gt; edit autoconf\nadmin@example:/config/interface/eth0/ipv4/autoconf/&gt; set request-address 169.254.1.2\nadmin@example:/config/interface/eth0/ipv4/autoconf/&gt; leave\n</code></pre>"},{"location":"networking/#use-of-dhcp-for-ipv4-address-assignment","title":"Use of DHCP for IPv4 address assignment","text":"<pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv4\nadmin@example:/config/interface/eth0/ipv4/&gt; set dhcp\nadmin@example:/config/interface/eth0/ipv4/&gt; leave\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv4                   10.1.2.100/24 (dhcp)\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>The resulting address (10.1.2.100/24) is of type dhcp.</p> <p>To configure DHCP client options, such as sending a specific hostname to the server, you can specify options with values:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv4 dhcp\nadmin@example:/config/interface/eth0/ipv4/dhcp/&gt; set option hostname value myhost\nadmin@example:/config/interface/eth0/ipv4/dhcp/&gt; show\noption hostname {\n  value myhost;\n}\nadmin@example:/config/interface/eth0/ipv4/dhcp/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Tip</p> <p>The special value <code>auto</code> can be used with the hostname option to automatically use the configured system hostname.</p> <p>Other useful DHCP options include:</p> <ul> <li><code>client-id</code> - Send a specific client identifier to the server</li> <li><code>route-preference</code> - Set the administrative distance for DHCP-learned routes (default: 5)</li> </ul> <p>For advanced usage with vendor-specific options, see the YANG model.</p>"},{"location":"networking/#disabling-ipv6-link-local-addresses","title":"Disabling IPv6 link-local address(es)","text":"<p>The (only) way to disable IPv6 link-local addresses is by disabling IPv6 on the interface.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv6\nadmin@example:/config/interface/eth0/ipv6/&gt; set enabled false\nadmin@example:/config/interface/eth0/ipv6/&gt; leave\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#static-ipv6-address","title":"Static IPv6 address","text":"<pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv6\nadmin@example:/config/interface/eth0/ipv6/&gt; set address 2001:db8::1 prefix-length 64\nadmin@example:/config/interface/eth0/ipv6/&gt; leave\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv6                   2001:db8::1/64 (static)\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#stateless-auto-configuration-of-global-ipv6-address","title":"Stateless Auto-configuration of Global IPv6 Address","text":"<p>Stateless address auto-configuration of global addresses is enabled by default. The address is formed by concatenating the network prefix advertised by the router (here 2001:db8:0:1::0/64) and the interface identifier.  The resulting address is of type link-layer, as it is formed based on the interface identifier (ietf-ip.yang).</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv6                   2001:db8:0:1:0:ff:fe00:0/64 (link-layer)\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>Disabling auto-configuration of global IPv6 addresses can be done as shown below.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv6\nadmin@example:/config/interface/eth0/ipv6/&gt; set autoconf create-global-addresses false\nadmin@example:/config/interface/eth0/ipv6/&gt; leave\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#random-link-identifiers-for-ipv6-stateless-autoconfiguration","title":"Random Link Identifiers for IPv6 Stateless Autoconfiguration","text":"<p>By default, the auto-configured link-local and global IPv6 addresses are formed from a link-identifier based on the MAC address.</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv6                   2001:db8:0:1:0:ff:fe00:0/64 (link-layer)\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>To avoid revealing identity information in the IPv6 address, it is possible to specify use of a random identifier (ietf-ip.yang and RFC8981).</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv6\nadmin@example:/config/interface/eth0/ipv6/&gt; set autoconf create-temporary-addresses true\nadmin@example:/config/interface/eth0/ipv6/&gt; leave\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv6                   2001:db8:0:1:b705:8374:638e:74a8/64 (random)\n                ipv6                   fe80::ad3d:b274:885a:9ffb/64 (random)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>Both the link-local address (fe80::) and the global address (2001:) have changed type to random.</p>"},{"location":"networking/#ipv4-forwarding","title":"IPv4 forwarding","text":"<p>To be able to route (static or dynamic) on the interface it is required to enable forwarding. This setting controls if packets received on this interface can be forwarded.</p> <pre><code>admin@example:/config/&gt; edit interface eth0\nadmin@example:/config/interface/eth0/&gt; set ipv4 forwarding\nadmin@example:/config/interface/eth0/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#ipv6-forwarding","title":"IPv6 forwarding","text":"<p>Due to how the Linux kernel manages IPv6 forwarding, we can not fully control it per interface via this setting like how IPv4 works.  Instead, IPv6 forwarding is globally enabled when at least one interface enable forwarding, otherwise it is disabled.</p> <p>The following table shows the system IPv6 features that the <code>forwarding</code> setting control when it is Enabled or *Disabled:</p> IPv6 Feature Enabled Disabled IsRouter set in Neighbour Advertisements Yes No Transmit Router Solicitations No Yes Router Advertisements are ignored Yes Yes Accept Redirects No Yes <pre><code>admin@example:/config/&gt; edit interface eth0\nadmin@example:/config/interface/eth0/&gt; set ipv6 forwarding\nadmin@example:/config/interface/eth0/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#routing-support","title":"Routing support","text":"<p>Currently supported YANG models:</p> YANG Model Description ietf-routing Base model for all other models ietf-ipv4-unicast-routing Static IPv4 unicast routing ietf-ipv6-unicast-routing Static IPv6 unicast routing ietf-ospf OSPF routing infix-routing Infix deviations and extensions <p>The base model, ietf-routing, is where all the other models hook in.  It is used to set configuration and read operational status (RIB tables) in the other models.</p> <p>Note</p> <p>The standard IETF routing models allows multiple instances, but Infix currently only support one instance per routing protocol!  In the examples presented here, the instance name <code>default</code> is used.</p>"},{"location":"networking/#ipv4-static-routes","title":"IPv4 Static routes","text":"<p>The standard IETF model for static routes reside under the <code>static</code> control plane protocol.  For our examples we use the instance name <code>default</code>, you can use any name.</p> <p>For a route with destination 192.168.200.0/24 via 192.168.1.1:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit routing control-plane-protocol static name default ipv4\nadmin@example:/config/routing/\u2026/ipv4/&gt; set route 192.168.200.0/24 next-hop next-hop-address 192.168.1.1\nadmin@example:/config/routing/\u2026/ipv4/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>For a \"floating\" static route with destination 10.0.0.0/16 via a backup router 192.168.1.1, using the highest possible distance:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit routing control-plane-protocol static name default ipv4\nadmin@example:/config/routing/\u2026/ipv4/&gt; set route 10.0.0.0/16 next-hop next-hop-address 192.168.1.1 route-preference 254\nadmin@example:/config/routing/\u2026/ipv4/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Tip</p> <p>Remember to enable IPv4 forwarding for the interfaces you want to route between.</p>"},{"location":"networking/#ipv6-static-routes","title":"IPv6 Static routes","text":"<pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit routing control-plane-protocol static name default ipv6\nadmin@example:/config/routing/\u2026/ipv6/&gt; set route 2001:db8:3c4d:200::/64 next-hop next-hop-address 2001:db8:3c4d:1::1\nadmin@example:/config/routing/\u2026/ipv6/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#ospfv2-routing","title":"OSPFv2 Routing","text":"<p>The system supports OSPF dynamic routing for IPv4, i.e., OSPFv2.  To enable OSPF and set one active interface in area 0:</p> <pre><code>admin@example:/config/&gt; edit routing control-plane-protocol ospfv2 name default ospf\nadmin@example:/config/routing/\u2026/ospf/&gt; set area 0.0.0.0 interface e0 enabled\nadmin@example:/config/routing/\u2026/ospf/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Tip</p> <p>Remember to enable IPv4 forwarding for all the interfaces you want to route between.</p>"},{"location":"networking/#ospf-area-types","title":"OSPF area types","text":"<p>In addition to regular OSPF areas, area types NSSA and Stub are also supported.  To configure an NSSA area with summary routes:</p> <pre><code>admin@example:/config/&gt; edit routing control-plane-protocol ospfv2 name default ospf\nadmin@example:/config/routing/\u2026/ospf/&gt; set area 0.0.0.1 area-type nssa-area\nadmin@example:/config/routing/\u2026/ospf/&gt; set area 0.0.0.1 summary true\nadmin@example:/config/routing/\u2026/ospf/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#bidirectional-forwarding-detection-bfd","title":"Bidirectional Forwarding Detection (BFD)","text":"<p>It is possible to enable BFD per OSPF interface to speed up detection of link loss.</p> <pre><code>admin@example:/config/&gt; edit routing control-plane-protocol ospfv2 name default ospf\nadmin@example:/config/routing/\u2026/ospf/&gt; set area 0.0.0.0 interface e0 bfd enabled true\nadmin@example:/config/routing/\u2026/ospf/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#ospf-interface-settings","title":"OSPF interface settings","text":"<p>We have already seen how to enable OSPF per interface (enabled true) and BFD for OSPF per interface (bfd enabled true).  These and other OSPF interface settings are done in context of an OSFP area, e.g., area 0.0.0.0.  Available commands can be listed using the <code>?</code> mark.</p> <pre><code>admin@example:/config/routing/\u2026/&gt; edit ospf area 0.0.0.0\nadmin@example:/config/routing/\u2026/ospf/area/0.0.0.0/&gt; edit interface e0\nadmin@example:/config/routing/\u2026/ospf/area/0.0.0.0/interface/e0/&gt; set ?\n  bfd                  BFD interface configuration.\n  cost                 Interface's cost.\n  dead-interval        Interval after which a neighbor is declared down\n  enabled              Enables/disables the OSPF protocol on the interface.\n  hello-interval       Interval between Hello packets (seconds).  It must\n  interface-type       Interface type.\n  passive              Enables/disables a passive interface.  A passive\n  retransmit-interval  Interval between retransmitting unacknowledged Link\n  transmit-delay       Estimated time needed to transmit Link State Update\nadmin@example:/config/routing/\u2026/ospf/area/0.0.0.0/interface/e0/&gt; set\n</code></pre> <p>For example, setting the OSPF interface type to point-to-point for an Ethernet interface can be done as follows.</p> <pre><code>admin@example:/config/routing/\u2026/ospf/area/0.0.0.0/interface/e0/&gt; set interface-type point-to-point\nadmin@example:/config/routing/\u2026/ospf/area/0.0.0.0/interface/e0/&gt;\n</code></pre>"},{"location":"networking/#ospf-global-settings","title":"OSPF global settings","text":"<p>In addition to area and interface specific settings, OSPF provides global settings for route redistribution and OSPF router identifier.</p> <pre><code>admin@example:/config/&gt; edit routing control-plane-protocol ospfv2 name default ospf\nadmin@example:/config/routing/\u2026/ospf/&gt; set ?\n  area                     List of OSPF areas.\n  default-route-advertise  Distribute default route to network\n  explicit-router-id       Defined in RFC 2328.  A 32-bit number\n  redistribute             Redistribute protocols into OSPF\nadmin@example:/config/routing/\u2026/ospf/&gt; set\n</code></pre> <ul> <li>Explicit router ID: By default the router will pick an IP address   from one of its OSPF interfaces as OSPF router ID. An explicit ID is   used to get a deterministic behavior, e.g., <code>set explicit-router-id   1.1.1.1</code>.</li> <li>Redistribution: <code>set redistribute static</code> and <code>set redistribute connected</code>   can be used to include static or connected routes into the OSPF routing   domain. These routes are redistributed as external type-2 (E2)   routes.</li> <li>Advertising default route: An OSPF router can be made to distribute   a default route into the OSPF domain by command <code>set   default-route-advertise enabled</code>. This route is distributed as long   as the router itself has an active default route in its routing   table. By adding command <code>set default-route-advertise always</code> the   router will distribute a default route even when it lacks a default   route. The default route will be distributed as an external type-2   (E2) route.</li> </ul>"},{"location":"networking/#debug-ospfv2","title":"Debug OSPFv2","text":"<p>Using NETCONF and the YANG model ietf-routing it is possible to read the OSPF routing table, neighbors and more, that may be useful for debugging the OSPFv2 setup. The CLI has various OSPF status commands such as <code>show ospf neighbor</code>, <code>show ospf interface</code> and <code>show ospf routes</code>.</p> <pre><code>admin@example:/&gt; show ospf neighbor\n\nNeighbor ID     Pri State           Up Time         Dead Time Address         Interface                        RXmtL RqstL DBsmL\n10.1.1.2          1 Full/-          3h46m59s          30.177s 10.1.1.2        e0:10.1.1.1                          0     0     0\n10.1.1.3          1 Full/-          3h46m55s          34.665s 10.1.1.3        e1:10.1.1.1                          0     0     0\n\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#view-routing-table","title":"View routing table","text":"<p>The routing table can be inspected from the operational datastore, XPath <code>/routing/ribs</code>, using sysrepocfg, NETCONF/RESTCONF, or using the CLI.</p>"},{"location":"networking/#ipv4-routing-table","title":"IPv4 routing table","text":"<p>This CLI example shows the IPv4 routing table with a few connected routes and some routes learned from OSPF.  See the next section for an explanation of route preferences (PREF).</p> <p>The <code>&gt;</code> at the start of a line marks a selected route (in the IETF YANG model referred to as active), if there are more than one route with the same destination the <code>*</code> marks the next-hop used and installed in the kernel FIB (the YANG model refers to this as installed).</p> <pre><code>admin@example:/&gt; show ip route\n   DESTINATION            PREF NEXT-HOP         PROTO     UPTIME\n&gt;* 0.0.0.0/0             110/2 10.0.23.1        ospfv2   4h2m43s\n&gt;* 10.0.0.1/32        110/4000 10.0.13.1        ospfv2   4h2m43s\n   10.0.0.3/32           110/0 lo               ospfv2   4h2m57s\n&gt;* 10.0.0.3/32             0/0 lo               direct   4h2m58s\n   10.0.13.0/30       110/2000 e5               ospfv2   4h2m57s\n&gt;* 10.0.13.0/30            0/0 e5               direct   4h2m58s\n   10.0.23.0/30          110/1 e6               ospfv2   4h2m57s\n&gt;* 10.0.23.0/30            0/0 e6               direct   4h2m58s\n   192.168.3.0/24        110/1 e2               ospfv2   4h2m57s\n&gt;* 192.168.3.0/24          0/0 e2               direct   4h2m58s\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#ipv6-routing-table","title":"IPv6 routing table","text":"<p>This CLI example show the IPv6 routing table.</p> <pre><code>admin@example:/&gt; show ipv6 route\n   DESTINATION                      PREF NEXT-HOP              PROTO     UPTIME\n&gt;* ::/0                              1/0 2001:db8:3c4d:50::1   static   0h1m20s\n&gt;* 2001:db8:3c4d:50::/64             0/0 e6                    direct   0h1m20s\n&gt;* 2001:db8:3c4d:200::1/128          0/0 lo                    direct   0h1m20s\n * fe80::/64                         0/0 e7                    direct   0h1m20s\n * fe80::/64                         0/0 e6                    direct   0h1m20s\n * fe80::/64                         0/0 e5                    direct   0h1m20s\n * fe80::/64                         0/0 e4                    direct   0h1m20s\n * fe80::/64                         0/0 e3                    direct   0h1m20s\n * fe80::/64                         0/0 e2                    direct   0h1m20s\n&gt;* fe80::/64                         0/0 e1                    direct   0h1m20s\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#route-preference","title":"Route Preference","text":"<p>The operating system leverages FRRouting (Frr) as routing engine for both static and dynamic routing.  Even routes injected from a DHCP client, and IPv4 link-local (IPv4) routes, are injected into Frr to let it weigh all routes before installing them into the kernel routing table (sometimes referred to as FIB).</p> <p>Routes have different weights made up from a distance and a metric. The kernel routing table only talks about metric, which unfortunately is not the same -- this is one of the reasons why the term route preference is used instead.  It is recommended to use the CLI, or any of the other previously mentioned YANG based front-ends, to inspect the routing table.</p> <p>Default distances used (lower numeric value wins):</p> Distance Protocol 0 Kernel routes, i.e., connected routes 1 Static routes 5 DHCP routes 110 OSPF 254 IPv4LL (ZeroConf) device routes 255 Route will not be used or redistributed <p>Hence, a route learned from OSPF may be overridden by a static route set locally.  By default, even a route to the same destination, but with a different next-hop, learned from a DHCP server wins over an OSPF route.</p> <p>The distance used for static routes and DHCP routes can be changed by setting a different routing preference value.</p> <p>Note</p> <p>The kernel metric is an unsigned 32-bit value, which is read by Frr as (upper) 8 bits distance and 24 bits metric.  But it does not write it back to the kernel FIB this way, only selected routes are candidates to be installed in the FIB by Frr.</p>"},{"location":"networking/#source-protocol","title":"Source protocol","text":"<p>The source protocol describes the origin of the route.</p> Protocol Description kernel Added when setting a subnet address on an interface static User created, learned from DHCP, or IPv4LL ospfv2 Routes learned from OSPFv2 <p>The YANG model ietf-routing support multiple ribs but only two are currently supported, namely <code>ipv4</code> and <code>ipv6</code>.</p> <ol> <li> <p><code>(source MAC XOR destination MAC XOR EtherType) MODULO num_links</code> \u21a9</p> </li> <li> <p>Link-local IPv6 addresses are implicitly enabled when enabling IPv6.  IPv6 can be enabled/disabled per interface in the ietf-ip YANG model.\u00a0\u21a9</p> </li> <li> <p>For example, IPv4 groups are mapped to MAC multicast addresses by mapping the low-order 23-bits of the IP address in the low-order 23 bits of the Ethernet address 01:00:5E:00:00:00.  Meaning, more than one IP multicast group maps to the same MAC multicast group.\u00a0\u21a9</p> </li> <li> <p>A YANG deviation was previously used to make it possible to set <code>phys-address</code>, but this has been replaced with the more flexible <code>custom-phys-address</code>.\u00a0\u21a9</p> </li> <li> <p>MAC bridges on Marvell Linkstreet devices are currently limited to a single MAC database, this may be a problem if the same MAC address appears in different MAC bridges.\u00a0\u21a9</p> </li> <li> <p>Ethernet counters are described in ieee802-ethernet-interface.yang and infix-ethernet-interface.yang.  There is a dedicated document on Ethernet Counters that provide additional details on the statistics support.\u00a0\u21a9</p> </li> </ol>"},{"location":"override-package/","title":"Developing with Buildroot","text":""},{"location":"override-package/#package-override","title":"Package Override","text":"<p>This guide demonstrates how the <code>local.mk</code> file is utilized to override a Buildroot package, which can be very useful when fixing bugs, adding features, or evaluating new releases of packages.  As an example we use <code>tcpdump</code> to illustrate this process.</p> <p>Tip</p> <p>For a comprehensive guide to utilizing Buildroot during development, including the <code>&lt;pkg&gt;_OVERRIDE_SRCDIR</code> mechanism, shown below, please see Using Buildroot during development in the official docs.</p>"},{"location":"override-package/#setup","title":"Setup","text":"<p>Since the <code>output/</code> directory is often wiped for rebuilds, make sure you keep the file <code>local.mk</code> in the top directory and only symlink it to your build directory:</p> <pre><code>~$ cd infix/\n~/infix(main)$ touch local.mk\n~/infix/output(main)$ ln -s ../local.mk .\n~/infix/output(main)$ cd ..\n</code></pre>"},{"location":"override-package/#override","title":"Override","text":"<p>Now edit the file:</p> <pre><code>~/infix(main)$ editor local.mk\n</code></pre> <p>Add an override for <code>tcpdump</code>.  The file is a Makefile snippet so you can add a lot of things.  Comment out lines with the UNIX comment <code>#</code> character if needed:</p> <pre><code>TCPDUMP_OVERRIDE_SRCDIR = /path/to/tcpdump/repo\n</code></pre>"},{"location":"override-package/#building","title":"Building","text":"<p>The execution of <code>make tcpdump-rebuild all</code> triggers a process where Buildroot synchronizes the tcpdump source code from the specified override directory to <code>output/build/tcpdump-custom</code>, followed by the rebuilding of the entire project.</p> <pre><code>~/infix$(main)$ make tcpdump-rebuild all\n</code></pre> <p>Buildroot follows a process of downloading and processing tarballs: extraction, configuration, compilation, and installation.  The source for each package is extracted to a temporary build directory:</p> <pre><code>output/build/&lt;package&gt;-&lt;version&gt;    # e.g., tcpdump-4.99.4\n</code></pre> <p>Let's have a look at what we got:</p> <pre><code>~/infix$(main)$ ll /output/build/ | grep tcpdump\ndrwxr-xr-x   7 group user 20480 Nov 10 18:26 tcpdump-4.99.4/\ndrwxr-xr-x   7 group user 12288 Nov 10 18:28 tcpdump-custom/\n</code></pre> <p>As long as your local override is in place, Buildroot will use your custom version.</p> <p>Note</p> <p>Remember, the build directory is ephemeral, so be careful to change any of the files therein.  It can be useful though during debugging, but just make sure to learn the difference between the various Buildroot commands to build, clean, reconfigure, etc.</p>"},{"location":"qos/","title":"Quality of Service","text":""},{"location":"qos/#quality-of-service","title":"Quality of Service","text":"<p>On occasion, most networks will experience congestion due to some extraordinary load being placed upon it. If the load is transient, switches and routers may be able to absorb such bursts of traffic by queuing packets in internal memories. However, if the load is sustained over long periods of time, queues will fill up and packets will start to be dropped. When such situations arise, it is the job of the network's Quality of Service (QoS) policy to define which packets to drop and which ones to prioritize, such that critical services remain operational.</p>"},{"location":"qos/#hardware-forwarded-traffic","title":"Hardware Forwarded Traffic","text":"<p>The default QoS policy for flows which are offloaded to a switching ASIC is defined by the hardware defaults of the device in question.</p>"},{"location":"qos/#marvell-linkstreet","title":"Marvell LinkStreet","text":"<p>This family of devices, sometimes also referred to as SOHO, are managed by the <code>mv88e6xxx</code> driver in the Linux kernel. While older chips in this family where limited to 4 output queues per port, this documentation is only valid for newer generations with 8 output queues per port.</p> <p></p> <p>The picture illustrates packets having their priority determined at ingress, here interface e1 and e3. In this example, both packets are forwarded to the same outgoing interface (e2), subject to output queueing. The sections below provides more information on these topics. </p>"},{"location":"qos/#default-policy","title":"Default Policy","text":""},{"location":"qos/#queueing","title":"Queueing","text":"<p>Both layer 2 (VLAN PCP) and layer 3 (IP DSCP) priority marks are considered when selecting the output queue of an incoming frame. PCP to queue mapping is done 1:1. For IP packets, the 3 most significant bits of the DSCP is used to select the queue:</p> PCP DSCP \u21d2 Queue Weight 0 0-7 \u21d2 0 1 1 8-15 \u21d2 1 2 2 16-23 \u21d2 2 3 3 24-31 \u21d2 3 6 4 32-39 \u21d2 4 12 5 40-47 \u21d2 5 17 6 48-55 \u21d2 6 25 7 56-63 \u21d2 7 33 <p>For packets containing both a VLAN tag and an IP header, PCP priority takes precedence over DSCP priority. In cases where neither are available, packets are always assigned to queue 0.</p> <p>Each port's set of 8 egress queues operate on a Weighted Round Robin (WRR) schedule, using the weights listed in the table above. The sum of all weights adds up to 99, meaning that the weight of any given queue is roughly equivalent to the percentage of the available bandwidth reserved for it.</p>"},{"location":"qos/#marking","title":"Marking","text":"<p>Any priority marks available on ingress are left unmodified when the frame egresses an output port. In the case when an IP packet ingresses without a VLAN tag, and is to egress with a VLAN tag, its PCP is set to the 3 most significant bits of it. If no priority information is available in the frame on ingress (i.e. untagged non-IP), then packets will egress out of tagged ports with PCP set to 0.</p>"},{"location":"qos/#software-forwarded-traffic","title":"Software Forwarded Traffic","text":"<p>For packets which are processed by a CPU, i.e. typically routed traffic, and bridged traffic between interfaces that do not belong to the same hardware switching domain, an nftables container can be used to define a QoS policy.</p> <p>For VLAN interfaces, Infix provides support for mapping the Priority Code Point (PCP) to internal priority on ingress, and the reverse on egress. </p> <p></p> <p>These <code>ingress-qos</code> and <code>egress-qos</code> settings are done per VLAN, both defaulting to '0'. The example below shows how to keep the PCP priority  for packets being routed between two VLAN interfaces.</p> <pre><code>admin@example:/config/&gt; edit interface e1.10\nadmin@example:/config/interface/e1.10/&gt; set vlan ingress-qos priority from-pcp \nadmin@example:/config/interface/e1.10/&gt; up\nadmin@example:/config/&gt; edit interface e1.20\nadmin@example:/config/interface/e1.20/&gt; set vlan egress-qos pcp from-priority \nadmin@example:/config/interface/e1.20/&gt; leave\nadmin@example:/&gt; \n</code></pre>"},{"location":"qos/#a-complex-example","title":"A complex example","text":"<p>The picture below shows a packet flow being subject both to software forwarding and hardware offloading.</p> <p></p>"},{"location":"scripting-netconf/","title":"With NETCONF","text":""},{"location":"scripting-netconf/#scripting-with-netconf","title":"Scripting with NETCONF","text":"<p>NETCONF (Network Configuration Protocol) provides a standardized mechanism for managing network devices using XML-based RPC operations over SSH (port 830). This guide shows practical examples for interacting with Infix using NETCONF.</p> <p>NETCONF offers robust capabilities for network automation:</p> <ul> <li>Transactional operations: Validate before commit, rollback on error</li> <li>Fine-grained locking: Prevent concurrent configuration conflicts</li> <li>Structured data: XML with YANG schema validation</li> <li>Standardized operations: Get, edit-config, copy-config, etc.</li> </ul>"},{"location":"scripting-netconf/#netconf-vs-restconf","title":"NETCONF vs RESTCONF","text":"<p>Both protocols use the same YANG data models, but differ in approach:</p> Feature NETCONF RESTCONF Transport SSH HTTPS Encoding XML JSON/XML Operations RPC-based REST/HTTP methods Best for Automation scripts Web integration, simple queries <p>Choose NETCONF when you need:</p> <ul> <li>Transactional configuration changes</li> <li>Configuration validation before commit</li> <li>Locking to prevent concurrent changes</li> <li>Integration with existing NETCONF tooling</li> </ul> <p>Choose RESTCONF for:</p> <ul> <li>Simple queries and updates</li> <li>Web-based applications</li> <li>When you prefer JSON over XML</li> <li>RESTful API patterns</li> </ul>"},{"location":"scripting-netconf/#quick-start-with-netopeer2-cli","title":"Quick Start with netopeer2-cli","text":"<p><code>netopeer2-cli</code> is an interactive NETCONF client, useful for learning and testing. Install it:</p> <pre><code>~$ sudo apt install netopeer2-cli\n</code></pre> <p>Connect to your Infix device:</p> <pre><code>~$ netopeer2-cli\n&gt; connect --host example.local --login admin\nadmin@example.local password:\n&gt; status\nCurrent NETCONF session:\n  ID          : 1\n  Host        : example.local\n  Port        : 830\n  Transport   : SSH\n  Capabilities: 35\n</code></pre>"},{"location":"scripting-netconf/#basic-operations-in-netopeer2-cli","title":"Basic Operations in netopeer2-cli","text":"<p>Get entire configuration:</p> <pre><code>&gt; get-config --source running\n</code></pre> <p>Get specific subtree (hostname):</p> <pre><code>&gt; get-config --source running --filter-xpath /system/hostname\n&lt;data xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n    &lt;hostname&gt;example&lt;/hostname&gt;\n  &lt;/system&gt;\n&lt;/data&gt;\n</code></pre> <p>Get operational state:</p> <pre><code>&gt; get --filter-xpath /interfaces\n</code></pre> <p>Edit configuration:</p> <pre><code>&gt; edit-config --target candidate --config=/tmp/config.xml\n&gt; commit\n</code></pre> <p>Disconnect:</p> <pre><code>&gt; disconnect\n&gt; quit\n</code></pre>"},{"location":"scripting-netconf/#discovery-common-patterns","title":"Discovery &amp; Common Patterns","text":"<p>Before working with specific configuration items, you often need to discover what exists on the system. This section shows common discovery patterns and practical workflows.</p>"},{"location":"scripting-netconf/#discovering-available-interfaces","title":"Discovering Available Interfaces","text":"<p>List all interface names:</p> <pre><code>&lt;rpc message-id=\"1\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;get&gt;\n    &lt;filter type=\"subtree\"&gt;\n      &lt;interfaces xmlns=\"urn:ietf:params:xml:ns:yang:ietf-interfaces\"&gt;\n        &lt;interface&gt;\n          &lt;name/&gt;\n        &lt;/interface&gt;\n      &lt;/interfaces&gt;\n    &lt;/filter&gt;\n  &lt;/get&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Using netopeer2-cli:</p> <pre><code>&gt; get --filter-xpath /interfaces/interface/name\n</code></pre> <p>This returns all interface names, useful for iterating through interfaces in scripts.</p>"},{"location":"scripting-netconf/#get-all-yang-capabilities","title":"Get All YANG Capabilities","text":"<p>Discover which YANG modules and features are available:</p> <pre><code>&gt; status\n</code></pre> <p>Or programmatically via the <code>&lt;hello&gt;</code> message capabilities received during connection establishment.</p>"},{"location":"scripting-netconf/#get-entire-running-configuration","title":"Get Entire Running Configuration","text":"<p>Useful for exploration or backup:</p> <pre><code>&lt;rpc message-id=\"2\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;get-config&gt;\n    &lt;source&gt;\n      &lt;running/&gt;\n    &lt;/source&gt;\n  &lt;/get-config&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Using netopeer2-cli:</p> <pre><code>&gt; get-config --source running\n</code></pre>"},{"location":"scripting-netconf/#common-workflow-patterns","title":"Common Workflow Patterns","text":""},{"location":"scripting-netconf/#pattern-1-find-interface-by-ip-address","title":"Pattern 1: Find interface by IP address","text":"<p>Get all interfaces with their IPs, then filter:</p> <pre><code>&gt; get --filter-xpath /interfaces\n</code></pre> <p>Parse the XML output to find which interface has the desired IP.</p>"},{"location":"scripting-netconf/#pattern-2-check-which-interfaces-are-down","title":"Pattern 2: Check which interfaces are down","text":"<pre><code>&gt; get --filter-xpath /interfaces/interface/oper-status\n</code></pre> <p>Look for interfaces with <code>&lt;oper-status&gt;down&lt;/oper-status&gt;</code>.</p>"},{"location":"scripting-netconf/#pattern-3-get-interface-statistics-for-monitoring","title":"Pattern 3: Get interface statistics for monitoring","text":"<pre><code>&lt;rpc message-id=\"3\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;get&gt;\n    &lt;filter type=\"subtree\"&gt;\n      &lt;interfaces xmlns=\"urn:ietf:params:xml:ns:yang:ietf-interfaces\"&gt;\n        &lt;interface&gt;\n          &lt;statistics/&gt;\n        &lt;/interface&gt;\n      &lt;/interfaces&gt;\n    &lt;/filter&gt;\n  &lt;/get&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Returns in-octets, out-octets, in-errors, out-errors for all interfaces.</p>"},{"location":"scripting-netconf/#scripting-with-netconf-client","title":"Scripting with netconf-client","text":"<p>netconf-client is a lightweight Python-based NETCONF client designed for scripting and automation.</p>"},{"location":"scripting-netconf/#installation","title":"Installation","text":"<pre><code>~$ pip install netconf-client\n</code></pre> <p>Or clone and install from source:</p> <pre><code>~$ git clone https://github.com/wires-se/netconf-client.git\n~$ cd netconf-client\n~$ pip install .\n</code></pre>"},{"location":"scripting-netconf/#basic-usage","title":"Basic Usage","text":"<p>The client provides a simple command-line interface:</p> <pre><code>~$ netconf-client --host example.local --user admin --password admin &lt;operation&gt;\n</code></pre> <p>Common operations:</p> <ul> <li><code>get-config</code> - Retrieve configuration</li> <li><code>edit-config</code> - Modify configuration</li> <li><code>get</code> - Retrieve operational state</li> <li><code>copy-config</code> - Copy between datastores</li> <li><code>lock/unlock</code> - Lock datastores</li> <li><code>commit</code> - Commit candidate configuration</li> </ul>"},{"location":"scripting-netconf/#python-api","title":"Python API","text":"<p>You can also use netconf-client as a Python library:</p> <pre><code>from netconf_client.client import NetconfClient\n\n# Connect\nclient = NetconfClient(\n    host='example.local',\n    username='admin',\n    password='admin'\n)\n\n# Get configuration\nconfig = client.get_config(source='running')\nprint(config)\n\n# Edit configuration\nxml_config = \"\"\"\n&lt;config&gt;\n  &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n    &lt;hostname&gt;newhostname&lt;/hostname&gt;\n  &lt;/system&gt;\n&lt;/config&gt;\n\"\"\"\nclient.edit_config(target='candidate', config=xml_config)\nclient.commit()\n\n# Close connection\nclient.close()\n</code></pre>"},{"location":"scripting-netconf/#configuration-examples","title":"Configuration Examples","text":""},{"location":"scripting-netconf/#read-hostname","title":"Read Hostname","text":"<p>XML request:</p> <pre><code>&lt;rpc message-id=\"1\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;get-config&gt;\n    &lt;source&gt;\n      &lt;running/&gt;\n    &lt;/source&gt;\n    &lt;filter type=\"subtree\"&gt;\n      &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n        &lt;hostname/&gt;\n      &lt;/system&gt;\n    &lt;/filter&gt;\n  &lt;/get-config&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Using netopeer2-cli:</p> <pre><code>&gt; get-config --source running --filter-xpath /system/hostname\n</code></pre> <p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     get-config --source running --xpath /system/hostname\n</code></pre> <p>Response:</p> <pre><code>&lt;rpc-reply message-id=\"1\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;data&gt;\n    &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n      &lt;hostname&gt;example&lt;/hostname&gt;\n    &lt;/system&gt;\n  &lt;/data&gt;\n&lt;/rpc-reply&gt;\n</code></pre>"},{"location":"scripting-netconf/#set-hostname","title":"Set Hostname","text":"<p>XML request:</p> <pre><code>&lt;rpc message-id=\"2\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;edit-config&gt;\n    &lt;target&gt;\n      &lt;candidate/&gt;\n    &lt;/target&gt;\n    &lt;config&gt;\n      &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n        &lt;hostname&gt;newhostname&lt;/hostname&gt;\n      &lt;/system&gt;\n    &lt;/config&gt;\n  &lt;/edit-config&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Using netopeer2-cli:</p> <p>Save the config to <code>/tmp/hostname.xml</code>:</p> <pre><code>&lt;config&gt;\n  &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n    &lt;hostname&gt;newhostname&lt;/hostname&gt;\n  &lt;/system&gt;\n&lt;/config&gt;\n</code></pre> <p>Then apply:</p> <pre><code>&gt; edit-config --target candidate --config=/tmp/hostname.xml\n&gt; commit\n</code></pre> <p>Using netconf-client:</p> <pre><code>~$ cat &gt; hostname.xml &lt;&lt;EOF\n&lt;config&gt;\n  &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n    &lt;hostname&gt;newhostname&lt;/hostname&gt;\n  &lt;/system&gt;\n&lt;/config&gt;\nEOF\n\n~$ netconf-client --host example.local --user admin \\\n     edit-config --target candidate --config hostname.xml\n\n~$ netconf-client --host example.local --user admin commit\n</code></pre>"},{"location":"scripting-netconf/#add-ip-address-to-interface","title":"Add IP Address to Interface","text":"<p>Save the config to <code>ip-config.xml</code>:</p> <pre><code>&lt;config&gt;\n  &lt;interfaces xmlns=\"urn:ietf:params:xml:ns:yang:ietf-interfaces\"&gt;\n    &lt;interface&gt;\n      &lt;name&gt;eth0&lt;/name&gt;\n      &lt;ipv4 xmlns=\"urn:ietf:params:xml:ns:yang:ietf-ip\"&gt;\n        &lt;address&gt;\n          &lt;ip&gt;192.168.1.100&lt;/ip&gt;\n          &lt;prefix-length&gt;24&lt;/prefix-length&gt;\n        &lt;/address&gt;\n      &lt;/ipv4&gt;\n    &lt;/interface&gt;\n  &lt;/interfaces&gt;\n&lt;/config&gt;\n</code></pre> <p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     edit-config --target candidate --config ip-config.xml\n~$ netconf-client --host example.local --user admin commit\n</code></pre>"},{"location":"scripting-netconf/#copy-running-to-startup","title":"Copy Running to Startup","text":"<p>XML request:</p> <pre><code>&lt;rpc message-id=\"3\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;copy-config&gt;\n    &lt;source&gt;\n      &lt;running/&gt;\n    &lt;/source&gt;\n    &lt;target&gt;\n      &lt;startup/&gt;\n    &lt;/target&gt;\n  &lt;/copy-config&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Using netopeer2-cli:</p> <pre><code>&gt; copy-config --source running --target startup\n</code></pre> <p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     copy-config --source running --target startup\n</code></pre>"},{"location":"scripting-netconf/#operational-data-examples","title":"Operational Data Examples","text":""},{"location":"scripting-netconf/#read-interface-state","title":"Read Interface State","text":"<p>XML request:</p> <pre><code>&lt;rpc message-id=\"4\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;get&gt;\n    &lt;filter type=\"subtree\"&gt;\n      &lt;interfaces xmlns=\"urn:ietf:params:xml:ns:yang:ietf-interfaces\"&gt;\n        &lt;interface&gt;\n          &lt;name&gt;eth0&lt;/name&gt;\n        &lt;/interface&gt;\n      &lt;/interfaces&gt;\n    &lt;/filter&gt;\n  &lt;/get&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Using netopeer2-cli:</p> <pre><code>&gt; get --filter-xpath /interfaces/interface[name='eth0']\n</code></pre> <p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     get --xpath \"/interfaces/interface[name='eth0']\"\n</code></pre> <p>This returns operational state including admin/oper status, statistics, MAC address, MTU, and IP addresses.</p>"},{"location":"scripting-netconf/#read-all-interfaces","title":"Read All Interfaces","text":"<p>Using netopeer2-cli:</p> <pre><code>&gt; get --filter-xpath /interfaces\n</code></pre> <p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     get --xpath /interfaces\n</code></pre>"},{"location":"scripting-netconf/#read-routing-table","title":"Read Routing Table","text":"<p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     get --xpath \"/routing/ribs/rib[name='ipv4-default']\"\n</code></pre>"},{"location":"scripting-netconf/#read-ospf-neighbors","title":"Read OSPF Neighbors","text":"<p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     get --xpath \"/routing/control-plane-protocols/control-plane-protocol[type='ietf-ospf:ospfv2'][name='default']/ietf-ospf:ospf\"\n</code></pre>"},{"location":"scripting-netconf/#advanced-scripting","title":"Advanced Scripting","text":""},{"location":"scripting-netconf/#python-script-backup-configuration","title":"Python Script: Backup Configuration","text":"<pre><code>#!/usr/bin/env python3\nfrom netconf_client.client import NetconfClient\nfrom datetime import datetime\nimport sys\n\ndef backup_config(host, user, password, output_file):\n    try:\n        # Connect\n        client = NetconfClient(host=host, username=user, password=password)\n\n        # Get running config\n        config = client.get_config(source='running')\n\n        # Save to file with timestamp\n        timestamp = datetime.now().strftime('%Y%m%d-%H%M%S')\n        filename = f\"{output_file}-{timestamp}.xml\"\n\n        with open(filename, 'w') as f:\n            f.write(config)\n\n        print(f\"Configuration backed up to {filename}\")\n\n        client.close()\n        return 0\n\n    except Exception as e:\n        print(f\"Error: {e}\", file=sys.stderr)\n        return 1\n\nif __name__ == '__main__':\n    if len(sys.argv) != 5:\n        print(f\"Usage: {sys.argv[0]} &lt;host&gt; &lt;user&gt; &lt;password&gt; &lt;output_prefix&gt;\")\n        sys.exit(1)\n\n    sys.exit(backup_config(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4]))\n</code></pre> <p>Usage:</p> <pre><code>~$ chmod +x backup.py\n~$ ./backup.py example.local admin admin config-backup\nConfiguration backed up to config-backup-20250102-143022.xml\n</code></pre>"},{"location":"scripting-netconf/#python-script-monitor-interface-statistics","title":"Python Script: Monitor Interface Statistics","text":"<pre><code>#!/usr/bin/env python3\nfrom netconf_client.client import NetconfClient\nimport xml.etree.ElementTree as ET\nimport time\nimport sys\n\ndef get_interface_stats(client, interface):\n    \"\"\"Get interface statistics\"\"\"\n    xpath = f\"/interfaces/interface[name='{interface}']/statistics\"\n    data = client.get(filter_xpath=xpath)\n\n    # Parse XML to extract counters\n    root = ET.fromstring(data)\n    ns = {'if': 'urn:ietf:params:xml:ns:yang:ietf-interfaces'}\n\n    stats = {}\n    for stat in root.findall('.//if:statistics/*', ns):\n        stats[stat.tag.split('}')[1]] = int(stat.text)\n\n    return stats\n\ndef monitor_interface(host, user, password, interface, interval=5):\n    \"\"\"Monitor interface statistics\"\"\"\n    client = NetconfClient(host=host, username=user, password=password)\n\n    print(f\"Monitoring {interface} on {host} (Ctrl-C to stop)\")\n    print(f\"{'Time':&lt;20} {'RX Packets':&lt;15} {'TX Packets':&lt;15} {'RX Bytes':&lt;15} {'TX Bytes':&lt;15}\")\n    print(\"-\" * 80)\n\n    try:\n        while True:\n            stats = get_interface_stats(client, interface)\n            timestamp = time.strftime('%Y-%m-%d %H:%M:%S')\n\n            print(f\"{timestamp:&lt;20} \"\n                  f\"{stats.get('in-unicast-pkts', 0):&lt;15} \"\n                  f\"{stats.get('out-unicast-pkts', 0):&lt;15} \"\n                  f\"{stats.get('in-octets', 0):&lt;15} \"\n                  f\"{stats.get('out-octets', 0):&lt;15}\")\n\n            time.sleep(interval)\n\n    except KeyboardInterrupt:\n        print(\"\\nMonitoring stopped\")\n    finally:\n        client.close()\n\nif __name__ == '__main__':\n    if len(sys.argv) &lt; 5:\n        print(f\"Usage: {sys.argv[0]} &lt;host&gt; &lt;user&gt; &lt;password&gt; &lt;interface&gt; [interval]\")\n        sys.exit(1)\n\n    interval = int(sys.argv[5]) if len(sys.argv) &gt; 5 else 5\n    monitor_interface(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4], interval)\n</code></pre> <p>Usage:</p> <pre><code>~$ chmod +x monitor.py\n~$ ./monitor.py example.local admin admin eth0 2\nMonitoring eth0 on example.local (Ctrl-C to stop)\nTime                 RX Packets      TX Packets      RX Bytes        TX Bytes\n--------------------------------------------------------------------------------\n2025-01-02 14:35:10  12453          8932           1847392        892341\n2025-01-02 14:35:12  12489          8967           1851204        895673\n...\n</code></pre>"},{"location":"scripting-netconf/#shell-script-batch-configuration","title":"Shell Script: Batch Configuration","text":"<pre><code>#!/bin/bash\n# Apply configuration to multiple devices\n\nDEVICES=\"device1.local device2.local device3.local\"\nUSER=\"admin\"\nPASSWORD=\"admin\"\nCONFIG_FILE=\"$1\"\n\nif [ -z \"$CONFIG_FILE\" ]; then\n    echo \"Usage: $0 &lt;config.xml&gt;\"\n    exit 1\nfi\n\nfor device in $DEVICES; do\n    echo \"Configuring $device...\"\n\n    # Edit candidate\n    netconf-client --host \"$device\" --user \"$USER\" --password \"$PASSWORD\" \\\n        edit-config --target candidate --config \"$CONFIG_FILE\"\n\n    if [ $? -eq 0 ]; then\n        # Commit if edit succeeded\n        netconf-client --host \"$device\" --user \"$USER\" --password \"$PASSWORD\" commit\n        echo \"  \u2713 $device configured successfully\"\n    else\n        echo \"  \u2717 $device configuration failed\"\n    fi\ndone\n</code></pre>"},{"location":"scripting-netconf/#other-netconf-tools","title":"Other NETCONF Tools","text":""},{"location":"scripting-netconf/#ncclient-python","title":"ncclient (Python)","text":"<p>Popular Python library for NETCONF:</p> <pre><code>~$ pip install ncclient\n</code></pre> <p>Example:</p> <pre><code>from ncclient import manager\n\nwith manager.connect(host='example.local', port=830,\n                     username='admin', password='admin',\n                     hostkey_verify=False) as m:\n    # Get config\n    c = m.get_config(source='running')\n    print(c)\n</code></pre>"},{"location":"scripting-netconf/#ansible","title":"Ansible","text":"<p>Ansible includes NETCONF modules for automation:</p> <pre><code>- name: Get interface config\n  netconf_get:\n    source: running\n    filter: &lt;interfaces xmlns=\"urn:ietf:params:xml:ns:yang:ietf-interfaces\"/&gt;\n</code></pre>"},{"location":"scripting-netconf/#cisco-tools","title":"Cisco Tools","text":"<ul> <li>NSO (Network Services Orchestrator): Enterprise orchestration platform</li> <li>YANG Suite: Web-based YANG exploration and testing tool</li> <li>Cisco pyATS: Network test automation</li> </ul>"},{"location":"scripting-netconf/#troubleshooting","title":"Troubleshooting","text":""},{"location":"scripting-netconf/#enable-netconf-debugging","title":"Enable NETCONF Debugging","text":"<p>For netconf-client, use verbose mode:</p> <pre><code>~$ netconf-client --host example.local --user admin --verbose get-config\n</code></pre> <p>For netopeer2-cli, enable debug output:</p> <pre><code>&gt; debug 1\n&gt; get-config --source running\n</code></pre>"},{"location":"scripting-netconf/#common-issues","title":"Common Issues","text":"<p>Connection refused:</p> <ul> <li>Verify SSH is running on port 830: <code>ssh -p 830 admin@example.local</code></li> <li>Check firewall rules</li> </ul> <p>Authentication failed:</p> <ul> <li>Verify credentials</li> <li>Check user has NETCONF access permissions</li> </ul> <p>Operation not supported:</p> <ul> <li>Verify NETCONF capability: <code>netopeer2-cli</code> \u2192 <code>status</code> \u2192 check capabilities</li> <li>Some operations require specific YANG modules</li> </ul>"},{"location":"scripting-netconf/#references","title":"References","text":"<ul> <li>NETCONF Protocol (RFC 6241)</li> <li>netconf-client on GitHub</li> <li>netopeer2 Documentation</li> <li>YANG Data Modeling Language (RFC 7950)</li> <li>ietf-interfaces YANG module</li> <li>ietf-system YANG module</li> <li>ncclient Documentation</li> </ul>"},{"location":"scripting-prod/","title":"Production Testing","text":""},{"location":"scripting-prod/#scripting-for-production-tests","title":"Scripting for Production Tests","text":"<p>This document shows how to set up and remotely script devices with a focus on production testing.</p>"},{"location":"scripting-prod/#vlan-snake","title":"VLAN Snake","text":"<p>As part of production tests, verification of Ethernet ports is usually expected.  A common way for devices with multiple bridged Ethernet ports is to connect a test PC to two ports and send a ping traversing all ports.  This can be achieved by using VLANs, on the switch, as described in this section.  The resulting configuration file can be applied to the running configuration of the produced unit, e.g, use config file restore as described previously.</p> <p>In this example we assume a 10 port switch, with ports e1-e10.  The following VLAN configuration and cable connections will be used:</p> VLAN &amp; Ports Connect VLAN 10: e1 &amp; e2 e2 &lt;=&gt; e3 VLAN 20: e3 &amp; e4 e4 &lt;=&gt; e5 VLAN 30: e5 &amp; e6 e6 &lt;=&gt; e7 VLAN 40: e7 &amp; e8 e8 &lt;=&gt; e9 VLAN 50: e9 &amp; e10 <p>The test PC is connected to e1 and e10 via different interfaces (alternatively, two different PCs are used).</p> <p>Tip</p> <p>Configuration here is done via console. When configuring remotely over SSH, remember to keep one IP address (the one used for the SSH connection)! I.e., set a static IP address first, then perform the VLAN configuration step.</p>"},{"location":"scripting-prod/#configuration-at-start","title":"Configuration at Start","text":"<p>Starting out, we assume a configuration where all ports are network interfaces (possibly with IPv6 enabled).</p> <pre><code>admin@example:/&gt; show interfaces\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\ne1              ethernet   LOWER-DOWN  00:53:00:06:11:01\ne2              ethernet   LOWER-DOWN  00:53:00:06:11:02\ne3              ethernet   LOWER-DOWN  00:53:00:06:11:03\ne4              ethernet   LOWER-DOWN  00:53:00:06:11:04\ne5              ethernet   LOWER-DOWN  00:53:00:06:11:05\ne6              ethernet   LOWER-DOWN  00:53:00:06:11:06\ne7              ethernet   LOWER-DOWN  00:53:00:06:11:07\ne8              ethernet   LOWER-DOWN  00:53:00:06:11:08\ne9              ethernet   LOWER-DOWN  00:53:00:06:11:09\ne10             ethernet   UP          00:53:00:06:11:0a\n                ipv6                   fe80::0053:00ff:fe06:110a/64 (link-layer)\nadmin@example:/&gt;\n</code></pre>"},{"location":"scripting-prod/#creating-bridge-and-adding-ports","title":"Creating Bridge and Adding Ports","text":"<p>The following example creates a bridge and adds all Ethernet ports to it.  On a device with layer-2 offloading (switch fabric), this sets all ports in the same VLAN.  The next section sets up VLAN isolation.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface br0\nadmin@example:/config/interface/br0/&gt; end\nadmin@example:/config/&gt; set interface e1 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e2 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e3 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e4 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e5 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e6 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e7 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e8 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e9 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e10 bridge-port bridge br0\nadmin@example:/config/&gt;\n</code></pre> <p>The interface status can be viewed using <code>show interfaces</code> after leaving configuration context.  When configuring via SSH, first assign an IP address to <code>br0</code> before leaving configuration context, e.g.</p> <pre><code>admin@example:/config/&gt; set interface br0 ipv6 enabled\n</code></pre> <p>This enables IPv6 SLAAC, auto-configured address.  Or skip <code>leave</code> and stay in configuration context until you have completed all the device setup, including setting IP address.</p> <pre><code>admin@example:/config/&gt; leave\nadmin@example:/&gt;\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nbr0             bridge\n\u2502               ethernet   UP          00:53:00:06:11:01\n\u251c e1            bridge     LOWER-DOWN\n\u251c e2            bridge     LOWER-DOWN\n\u251c e3            bridge     LOWER-DOWN\n\u251c e4            bridge     LOWER-DOWN\n\u251c e5            bridge     LOWER-DOWN\n\u251c e6            bridge     LOWER-DOWN\n\u251c e7            bridge     LOWER-DOWN\n\u251c e8            bridge     LOWER-DOWN\n\u251c e9            bridge     LOWER-DOWN\n\u2514 e10           bridge     FORWARDING\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre>"},{"location":"scripting-prod/#assign-vlans-to-ports","title":"Assign VLANs to Ports","text":"<p>Now, configure VLANs as outlined previously: default VID for ingress (PVID), which is done per port, and egress mode (untagged), which is done at the bridge level. See the VLAN bridges section for more information.</p> <pre><code>admin@example:/&gt;\nadmin@example:/&gt; configure\nadmin@example:/config/&gt; set interface e1 bridge-port pvid 10\nadmin@example:/config/&gt; set interface e2 bridge-port pvid 10\nadmin@example:/config/&gt; set interface e3 bridge-port pvid 20\nadmin@example:/config/&gt; set interface e4 bridge-port pvid 20\nadmin@example:/config/&gt; set interface e5 bridge-port pvid 30\nadmin@example:/config/&gt; set interface e6 bridge-port pvid 30\nadmin@example:/config/&gt; set interface e7 bridge-port pvid 40\nadmin@example:/config/&gt; set interface e8 bridge-port pvid 40\nadmin@example:/config/&gt; set interface e9 bridge-port pvid 50\nadmin@example:/config/&gt; set interface e10 bridge-port pvid 50\nadmin@example:/config/&gt; edit interface br0\nadmin@example:/config/interface/br0/&gt; edit bridge vlans\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 10 untagged e1\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 10 untagged e2\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 20 untagged e3\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 20 untagged e4\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 30 untagged e5\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 30 untagged e6\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 40 untagged e7\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 40 untagged e8\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 50 untagged e9\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 50 untagged e10\nadmin@example:/config/interface/br0/bridge/vlans/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Interface status would now should something like the following</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nbr0             bridge\n\u2502               ethernet   UP          00:53:00:06:11:01\n\u251c e1            bridge     LOWER-DOWN  vlan:10u pvid:10\n\u251c e2            bridge     LOWER-DOWN  vlan:10u pvid:10\n\u251c e3            bridge     LOWER-DOWN  vlan:20u pvid:20\n\u251c e4            bridge     LOWER-DOWN  vlan:20u pvid:20\n\u251c e5            bridge     LOWER-DOWN  vlan:30u pvid:30\n\u251c e6            bridge     LOWER-DOWN  vlan:30u pvid:30\n\u251c e7            bridge     LOWER-DOWN  vlan:40u pvid:40\n\u251c e8            bridge     LOWER-DOWN  vlan:40u pvid:40\n\u251c e9            bridge     LOWER-DOWN  vlan:50u pvid:50\n\u2514 e10           bridge     FORWARDING  vlan:50u pvid:50\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre>"},{"location":"scripting-prod/#connect-cables-and-test","title":"Connect Cables and Test","text":"<p>We can now connect the PC to e1 and e10, while the other ports are patched according to above.  We should see link up and FORWARDING on all ports in the bridge.</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nbr0             bridge\n\u2502               ethernet   UP          00:53:00:06:11:01\n\u251c e1            bridge     FORWARDING  vlan:10u pvid:10\n\u251c e2            bridge     FORWARDING  vlan:10u pvid:10\n\u251c e3            bridge     FORWARDING  vlan:20u pvid:20\n\u251c e4            bridge     FORWARDING  vlan:20u pvid:20\n\u251c e5            bridge     FORWARDING  vlan:30u pvid:30\n\u251c e6            bridge     FORWARDING  vlan:30u pvid:30\n\u251c e7            bridge     FORWARDING  vlan:40u pvid:40\n\u251c e8            bridge     FORWARDING  vlan:40u pvid:40\n\u251c e9            bridge     FORWARDING  vlan:50u pvid:50\n\u2514 e10           bridge     FORWARDING  vlan:50u pvid:50\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>Here we use IPv6 ping all hosts (ff02::1) on PC interface eth1 to check reachability to the other interface of the PC.</p> <p>Tip</p> <p>We recommend using network namespaces (Linux only) on the PC to ensure that traffic is actually sent out to the switch, rather than being looped back internally. Alternatively, use two separate PCs.</p> <pre><code>~ $ ping -L ff02::1%eth1\nPING ff02::1%eth1(ff02::1%eth1) 56 data bytes\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=1 ttl=64 time=0.496 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=2 ttl=64 time=0.514 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=3 ttl=64 time=0.473 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=4 ttl=64 time=0.736 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=5 ttl=64 time=0.563 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=6 ttl=64 time=0.507 ms\n^C\n--- ff02::1%eth1 ping statistics ---\n6 packets transmitted, 6 received, 0% packet loss, time 5108ms\nrtt min/avg/max/mdev = 0.473/0.548/0.736/0.088 ms\n~ $\n</code></pre> <p>We can verify that traffic goes through the switch by disconnecting one of the patch cables, e.g., between e4 and e5</p> <pre><code>~ $ ping -L ff02::1%eth1\nPING ff02::1%eth1(ff02::1%eth1) 56 data bytes\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=1 ttl=64 time=0.510 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=2 ttl=64 time=0.448 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=3 ttl=64 time=0.583 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=4 ttl=64 time=0.515 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=5 ttl=64 time=0.521 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=6 ttl=64 time=0.495 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=7 ttl=64 time=0.743 ms\n... Disconnecting patch cable, thus losing packets\n... and reconnecting again. Connectivity resumes.\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=16 ttl=64 time=0.961 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=17 ttl=64 time=0.513 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=18 ttl=64 time=0.794 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=19 ttl=64 time=0.755 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=20 ttl=64 time=0.779 ms\n^C\n--- ff02::1%eth1 ping statistics ---\n20 packets transmitted, 12 received, 40% packet loss, time 19432ms\nrtt min/avg/max/mdev = 0.448/0.634/0.961/0.156 ms\n~ $\n</code></pre>"},{"location":"scripting-prod/#set-ip-address","title":"Set IP Address","text":"<p>The configuration so far does not provide a means to connect to the switch management via SSH or NETCONF, as the switch has no IP address. The example below shows how to add the switch to VLAN 10 (as used for ports e1 and e2) and enables IPv6.</p> <pre><code>admin@example:/config/&gt; edit interface vlan10\nadmin@example:/config/interface/vlan10/&gt; set vlan lower-layer-if br0\nadmin@example:/config/interface/vlan10/&gt; set ipv6 enabled\nadmin@example:/config/interface/vlan10/&gt; show\ntype vlan;\nipv6 {\n  enabled true;\n}\nvlan {\n  tag-type c-vlan;\n  id 10;\n  lower-layer-if br0;\n}\nadmin@example:/config/interface/vlan10/&gt;\nadmin@example:/config/interface/vlan10/&gt; end\nadmin@example:/config/&gt; edit interface br0 bridge vlans\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 10 tagged br0\nadmin@example:/config/interface/br0/bridge/vlans/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Interface vlan10 with an auto-configured IPv6 address should appear.</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nbr0             bridge                 vlan:10t\n\u2502               ethernet   UP          00:53:00:06:11:01\n\u251c e1            bridge     FORWARDING  vlan:10u pvid:10\n\u251c e2            bridge     FORWARDING  vlan:10u pvid:10\n\u251c e3            bridge     FORWARDING  vlan:20u pvid:20\n\u251c e4            bridge     FORWARDING  vlan:20u pvid:20\n\u251c e5            bridge     FORWARDING  vlan:30u pvid:30\n\u251c e6            bridge     FORWARDING  vlan:30u pvid:30\n\u251c e7            bridge     FORWARDING  vlan:40u pvid:40\n\u251c e8            bridge     FORWARDING  vlan:40u pvid:40\n\u251c e9            bridge     FORWARDING  vlan:50u pvid:50\n\u2514 e10           bridge     FORWARDING  vlan:50u pvid:50\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nvlan10          ethernet   UP          00:53:00:06:11:01\n\u2502               ipv6                   fe80::0053:00ff:fe06:1101/64 (link-layer)\n\u2514 br0           ethernet   UP          00:53:00:06:11:01\nadmin@example:/&gt;\n</code></pre> <p>When pinging \"IPv6 all hosts\" from the PC, there should be two responses for every ping, one from the switch and one from the PC attached to e10.</p> <pre><code>~ $ ping -L ff02::1%eth1\nPING ff02::1%eth1(ff02::1%eth1) 56 data bytes\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=1 ttl=64 time=0.508 ms\n64 bytes from fe80::0053:00ff:fe06:1101%eth1: icmp_seq=1 ttl=64 time=0.968 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=2 ttl=64 time=0.866 ms\n64 bytes from fe80::0053:00ff:fe06:1101%eth1: icmp_seq=2 ttl=64 time=0.867 ms\n64 bytes from fe80::0053:00ff:fe06:1101%eth1: icmp_seq=3 ttl=64 time=0.467 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=3 ttl=64 time=0.469 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=4 ttl=64 time=0.452 ms\n64 bytes from fe80::0053:00ff:fe06:1101%eth1: icmp_seq=4 ttl=64 time=0.453 ms\n^C\n--- ff02::1%eth1 ping statistics ---\n4 packets transmitted, 4 received, +4 duplicates, 0% packet loss, time 3031ms\nrtt min/avg/max/mdev = 0.452/0.631/0.968/0.211 ms\n~ $\n</code></pre> <p>It should now be possible to access the switch from the PC via SSH (or NETCONF).</p> <pre><code>~ $ ssh admin@fe80::0053:00ff:fe06:1101%eth1\nadmin@fe80::0053:00ff:fe06:1101%eth1's password:\n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-'\n\nRun the command 'cli' for interactive OAM\n\nadmin@example:~$ exit\n~ $\n</code></pre> <p>See previous sections on backup and restore of the created configuration.</p>"},{"location":"scripting-restconf/","title":"With RESTCONF","text":""},{"location":"scripting-restconf/#scripting-with-restconf","title":"Scripting with RESTCONF","text":"<p>RESTCONF provides a programmatic interface to both configuration and operational data over HTTPS.  This guide shows practical examples using <code>curl</code> to interact with the RESTCONF API.</p> <p>All examples use the following conventions:</p> <ul> <li>Host: <code>example.local</code> (replace with your device hostname/IP)</li> <li>Credentials: <code>admin:admin</code> (default username:password)</li> <li>HTTPS: Self-signed certificates require <code>-k</code> flag in curl</li> </ul>"},{"location":"scripting-restconf/#helper-script","title":"Helper Script","text":"<p>To simplify RESTCONF operations, create a <code>curl.sh</code> wrapper script:</p> <pre><code>#!/bin/sh\n# RESTCONF CLI wrapper for curl\n\n# Show usage and exit\nusage()\n{\n    cat &lt;&lt;-EOF &gt;&amp;2\n    Usage: $0 [-h HOST] [-d DATASTORE] [-u USER:PASS] METHOD PATH [CURL_ARGS...]\n\n    Options:\n      -h HOST    Target host (default: infix.local)\n      -d DS      Datastore: running, operational, startup (default: running)\n      -u CREDS   Credentials as user:pass (default: admin:admin)\n\n    Methods: GET, POST, PUT, PATCH, DELETE\n    EOF\n    exit \"$1\"\n}\n\n# Default values\nHOST=${HOST:-infix.local}\nDATASTORE=running\nAUTH=admin:admin\n\n# Parse options\nwhile getopts \"h:d:u:\" opt; do\n    case $opt in\n        h) HOST=\"$OPTARG\" ;;\n        d) DATASTORE=\"$OPTARG\" ;;\n        u) AUTH=\"$OPTARG\" ;;\n        *) usage 1 ;;\n    esac\ndone\nshift $((OPTIND - 1))\n\n# Validate required arguments\nif [ $# -lt 2 ]; then\n    echo \"Error: METHOD and PATH are required\" &gt;&amp;2\n    usage 1\nfi\n\nMETHOD=$1\nPATH=$2\nshift 2\n\n# Ensure PATH starts with /\ncase \"$PATH\" in\n    /*) ;;\n    *) PATH=\"/$PATH\" ;;\nesac\n\n# Build URL based on datastore\ncase \"$DATASTORE\" in\n    running|startup)\n        URL=\"https://${HOST}/restconf/data${PATH}\"\n        ;;\n    operational)\n        URL=\"https://${HOST}/restconf/data${PATH}\"\n        ;;\n    *)\n        echo \"Error: Invalid datastore '$DATASTORE'. Use: running, operational, or startup\" &gt;&amp;2\n        exit 1\n        ;;\nesac\n\n# Execute curl with all remaining arguments passed through\nexec /usr/bin/curl \\\n    --insecure \\\n    --user \"${AUTH}\" \\\n    --request \"${METHOD}\" \\\n    --header \"Content-Type: application/yang-data+json\" \\\n    --header \"Accept: application/yang-data+json\" \\\n    \"$@\" \\\n    \"${URL}\"\n</code></pre> <p>Make it executable:</p> <pre><code>~$ chmod +x curl.sh\n</code></pre> <p>This wrapper handles authentication, headers, SSL certificates, and URL construction, making commands much cleaner. You can override defaults with command-line options or environment variables:</p> <pre><code># Using command-line options\n~$ ./curl.sh -h 192.168.1.10 -d operational -u admin:secret GET /ietf-interfaces:interfaces\n\n# Using environment variables\n~$ HOST=192.168.1.10 ./curl.sh GET /ietf-system:system\n</code></pre> <p>The examples below show both raw <code>curl</code> commands and the equivalent using <code>curl.sh</code> where applicable.</p>"},{"location":"scripting-restconf/#discovery-common-patterns","title":"Discovery &amp; Common Patterns","text":"<p>Before working with specific configuration items, you often need to discover what exists on the system. This section shows common discovery patterns and practical workflows.</p>"},{"location":"scripting-restconf/#discovering-available-interfaces","title":"Discovering Available Interfaces","text":"<p>List all interface names:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces 2&gt;/dev/null | jq -r '.[\"ietf-interfaces:interfaces\"][\"interface\"][].name'\nlo\ne0\ne1\n</code></pre> <p>This is essential for automation - interface names vary by platform (eth0, e1, enp0s3, etc.), so scripts should discover them rather than hardcode.</p>"},{"location":"scripting-restconf/#get-api-capabilities","title":"Get API Capabilities","text":"<p>Discover what YANG modules are available:</p> <pre><code>~$ curl -kX GET -u admin:admin \\\n        -H 'Accept: application/yang-data+json' \\\n        https://example.local/restconf/data/ietf-yang-library:yang-library\n</code></pre> <p>This returns all supported YANG modules, revisions, and features.</p>"},{"location":"scripting-restconf/#get-entire-running-configuration","title":"Get Entire Running Configuration","text":"<p>Useful for exploration or backup:</p> <pre><code>~$ ./curl.sh -h example.local GET / -o backup.json\n</code></pre>"},{"location":"scripting-restconf/#common-workflow-patterns","title":"Common Workflow Patterns","text":""},{"location":"scripting-restconf/#pattern-1-find-interface-by-ip-address","title":"Pattern 1: Find interface by IP address","text":"<p>Get all interfaces with IPs and search:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces 2&gt;/dev/null \\\n     | jq -r '.[\"ietf-interfaces:interfaces\"][\"interface\"][] | select(.[\"ietf-ip:ipv4\"][\"address\"][]?.ip == \"192.168.1.100\") | .name'\n</code></pre>"},{"location":"scripting-restconf/#pattern-2-list-all-interfaces-that-are-down","title":"Pattern 2: List all interfaces that are down","text":"<pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces 2&gt;/dev/null \\\n     | jq -r '.[\"ietf-interfaces:interfaces\"][\"interface\"][] | select(.[\"oper-status\"] == \"down\") | .name'\n</code></pre>"},{"location":"scripting-restconf/#pattern-3-get-statistics-for-all-interfaces","title":"Pattern 3: Get statistics for all interfaces","text":"<pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces 2&gt;/dev/null \\\n     | jq -r '.[\"ietf-interfaces:interfaces\"][\"interface\"][] | \"\\(.name): RX \\(.statistics[\"in-octets\"]) TX \\(.statistics[\"out-octets\"])\"'\n</code></pre> <p>Output:</p> <pre><code>lo: RX 29320 TX 29320\ne0: RX 1847392 TX 892341\ne1: RX 0 TX 0\n</code></pre>"},{"location":"scripting-restconf/#pattern-4-check-if-interface-exists-before-configuring","title":"Pattern 4: Check if interface exists before configuring","text":"<pre><code>~$ if ./curl.sh -h example.local GET /ietf-interfaces:interfaces/interface=eth0 2&gt;/dev/null | grep -q \"ietf-interfaces:interface\"; then\n     echo \"Interface eth0 exists\"\n   else\n     echo \"Interface eth0 not found\"\n   fi\n</code></pre>"},{"location":"scripting-restconf/#configuration-operations","title":"Configuration Operations","text":""},{"location":"scripting-restconf/#read-hostname","title":"Read Hostname","text":"<p>Example of fetching JSON configuration data:</p> <p>Using curl directly:</p> <pre><code>~$ curl -kX GET -u admin:admin \\\n        -H 'Accept: application/yang-data+json' \\\n        https://example.local/restconf/data/ietf-system:system/hostname\n{\n  \"ietf-system:system\": {\n    \"hostname\": \"foo\"\n  }\n}\n</code></pre> <p>Using curl.sh:</p> <pre><code>~$ ./curl.sh -h example.local GET /ietf-system:system/hostname\n{\n  \"ietf-system:system\": {\n    \"hostname\": \"foo\"\n  }\n}\n</code></pre>"},{"location":"scripting-restconf/#set-hostname","title":"Set Hostname","text":"<p>Example of updating configuration with inline JSON data:</p> <p>Using curl directly:</p> <pre><code>~$ curl -kX PATCH -u admin:admin \\\n     -H 'Content-Type: application/yang-data+json' \\\n     -d '{\"ietf-system:system\":{\"hostname\":\"bar\"}}' \\\n     https://example.local/restconf/data/ietf-system:system\n</code></pre> <p>Using curl.sh:</p> <pre><code>~$ ./curl.sh -h example.local PATCH /ietf-system:system \\\n     -d '{\"ietf-system:system\":{\"hostname\":\"bar\"}}'\n</code></pre>"},{"location":"scripting-restconf/#add-ip-address-to-interface","title":"Add IP Address to Interface","text":"<p>Add an IP address to the loopback interface:</p> <pre><code>~$ ./curl.sh -h example.local POST \\\n     /ietf-interfaces:interfaces/interface=lo/ietf-ip:ipv4/address=192.168.254.254 \\\n     -d '{ \"prefix-length\": 32 }'\n</code></pre>"},{"location":"scripting-restconf/#delete-ip-address-from-interface","title":"Delete IP Address from Interface","text":"<p>Remove an IP address from the loopback interface:</p> <pre><code>~$ ./curl.sh -h example.local DELETE \\\n     /ietf-interfaces:interfaces/interface=lo/ietf-ip:ipv4/address=192.168.254.254\n</code></pre>"},{"location":"scripting-restconf/#copy-running-to-startup","title":"Copy Running to Startup","text":"<p>No copy command available yet to copy between datastores, and the Rousette back-end also does not support \"write-through\" to the startup datastore.</p> <p>To save running-config to startup-config, fetch running to a local file and then update startup with it:</p> <p>Using curl directly:</p> <pre><code>~$ curl -kX GET -u admin:admin -o running-config.json \\\n        -H 'Accept: application/yang-data+json'       \\\n         https://example.local/restconf/ds/ietf-datastores:running\n\n~$ curl -kX PUT -u admin:admin -d @running-config.json \\\n        -H 'Content-Type: application/yang-data+json'  \\\n        https://example.local/restconf/ds/ietf-datastores:startup\n</code></pre> <p>Using curl.sh:</p> <pre><code>~$ ./curl.sh -h example.local GET / -o running-config.json\n~$ ./curl.sh -h example.local -d startup PUT / -d @running-config.json\n</code></pre>"},{"location":"scripting-restconf/#operational-data","title":"Operational Data","text":""},{"location":"scripting-restconf/#read-interface-configuration","title":"Read Interface Configuration","text":"<p>Get the running configuration for the loopback interface:</p> <pre><code>~$ ./curl.sh -h example.local GET /ietf-interfaces:interfaces/interface=lo\n</code></pre>"},{"location":"scripting-restconf/#read-interface-operational-state","title":"Read Interface Operational State","text":"<p>Get operational data (state, statistics, etc.) for an interface:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces/interface=lo\n</code></pre> <p>This includes administrative and operational state, MAC address, MTU, and statistics counters.</p>"},{"location":"scripting-restconf/#read-interface-statistics","title":"Read Interface Statistics","text":"<p>Extract specific statistics using <code>jq</code>:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces/interface=eth0 2&gt;/dev/null \\\n     | jq -r '.[\"ietf-interfaces:interfaces\"][\"interface\"][0][\"statistics\"][\"in-octets\"]'\n</code></pre>"},{"location":"scripting-restconf/#list-all-interfaces","title":"List All Interfaces","text":"<p>Get operational data for all interfaces:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces\n</code></pre>"},{"location":"scripting-restconf/#read-routing-table","title":"Read Routing Table","text":"<p>Get the IPv4 routing table:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-routing:routing/ribs/rib=ipv4-default\n</code></pre>"},{"location":"scripting-restconf/#read-ospf-state","title":"Read OSPF State","text":"<p>Get OSPF operational data (neighbors, routes, etc.):</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-routing:routing/control-plane-protocols/control-plane-protocol=ietf-ospf:ospfv2,default\n</code></pre> <p>Or get just the neighbor information:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-routing:routing/control-plane-protocols/control-plane-protocol=ietf-ospf:ospfv2,default/ietf-ospf:ospf/areas/area=0.0.0.0/interfaces\n</code></pre>"},{"location":"scripting-restconf/#system-operations-rpcs","title":"System Operations (RPCs)","text":""},{"location":"scripting-restconf/#factory-reset","title":"Factory Reset","text":"<p>Reset the system to factory defaults:</p> <pre><code>~$ curl -kX POST -u admin:admin \\\n        -H \"Content-Type: application/yang-data+json\" \\\n        https://example.local/restconf/operations/ietf-factory-default:factory-reset\ncurl: (56) OpenSSL SSL_read: error:0A000126:SSL routines::unexpected eof while reading, errno 0\n</code></pre> <p>Note: The connection error is expected - the device resets immediately.</p>"},{"location":"scripting-restconf/#system-reboot","title":"System Reboot","text":"<p>Reboot the system:</p> <pre><code>~$ curl -kX POST -u admin:admin \\\n        -H \"Content-Type: application/yang-data+json\" \\\n        https://example.local/restconf/operations/ietf-system:system-restart\n</code></pre>"},{"location":"scripting-restconf/#set-date-and-time","title":"Set Date and Time","text":"<p>Example of an RPC that takes input/arguments:</p> <pre><code>~$ curl -kX POST -u admin:admin \\\n        -H \"Content-Type: application/yang-data+json\" \\\n        -d '{\"ietf-system:input\": {\"current-datetime\": \"2024-04-17T13:48:02-01:00\"}}' \\\n        https://example.local/restconf/operations/ietf-system:set-current-datetime\n</code></pre> <p>Verify the change with SSH:</p> <pre><code>~$ ssh admin@example.local 'date'\nWed Apr 17 14:48:12 UTC 2024\n</code></pre>"},{"location":"scripting-restconf/#advanced-examples","title":"Advanced Examples","text":""},{"location":"scripting-restconf/#makefile-for-common-operations","title":"Makefile for Common Operations","text":"<p>Create a <code>Makefile</code> to simplify common operations:</p> <pre><code>HOST ?= infix.local\n\nlo-running:\n    ./curl.sh -h $(HOST) GET /ietf-interfaces:interfaces/interface=lo\n\nlo-operational:\n    ./curl.sh -h $(HOST) -d operational GET /ietf-interfaces:interfaces/interface=lo\n\nlo-add-ip:\n    ./curl.sh -h $(HOST) POST \\\n        /ietf-interfaces:interfaces/interface=lo/ietf-ip:ipv4/address=192.168.254.254 \\\n        -d '{ \"prefix-length\": 32 }'\n\nlo-del-ip:\n    ./curl.sh -h $(HOST) DELETE \\\n        /ietf-interfaces:interfaces/interface=lo/ietf-ip:ipv4/address=192.168.254.254\n\n%-stats:\n    @./curl.sh -h $(HOST) -d operational GET /ietf-interfaces:interfaces/interface=$* 2&gt;/dev/null \\\n        | jq -r '.[\"ietf-interfaces:interfaces\"][\"interface\"][0][\"statistics\"][\"in-octets\"]'\n\n%-monitor:\n    while sleep 0.2; do make -s HOST=$(HOST) $*-stats; done \\\n        | ttyplot -t \"$(HOST):$* in-octets\" -r\n</code></pre> <p>Usage examples:</p> <pre><code># Get loopback operational state\n~$ make lo-operational\n\n# Add IP to loopback\n~$ make lo-add-ip\n\n# Get eth0 statistics\n~$ make eth0-stats\n\n# Monitor eth0 traffic in real-time (requires ttyplot)\n~$ make eth0-monitor\n</code></pre> <p>You can override the host:</p> <pre><code>~$ make HOST=192.168.1.10 lo-operational\n</code></pre>"},{"location":"scripting-restconf/#monitoring-interface-traffic","title":"Monitoring Interface Traffic","text":"<p>The <code>%-monitor</code> target demonstrates real-time monitoring by polling interface statistics and piping to <code>ttyplot</code> for visualization. Install <code>ttyplot</code> with:</p> <pre><code>~$ sudo apt install ttyplot\n</code></pre> <p>Then monitor any interface:</p> <pre><code>~$ make eth0-monitor\n</code></pre> <p>This creates a live ASCII graph of incoming octets on <code>eth0</code>.</p>"},{"location":"scripting-restconf/#references","title":"References","text":"<ul> <li>RESTCONF Protocol (RFC 8040)</li> <li>YANG Data Modeling Language (RFC 7950)</li> <li>ietf-interfaces YANG module</li> <li>ietf-routing YANG module</li> <li>ietf-system YANG module</li> </ul>"},{"location":"scripting-sysrepocfg/","title":"Legacy Scripting","text":"<p>Note</p> <p>This method is a legacy \"simple and human-friendly\" way to manage the system.  These days we strongly recommend using RESTCONF instead.</p>"},{"location":"scripting-sysrepocfg/#legacy-scripting","title":"Legacy Scripting","text":"<p>Although not the primary interface for Infix, it is possible to interact with the system using raw sysrepocfg commands.  This way you get to interact directly with the YANG models when logged in to Infix.  Thus, a set config, read config, read status and an RPC can be conducted using <code>sysrepocfg</code> for any supported YANG model.</p> <p>See sysrepocfg for more information.  Examples below will utilize:</p> <ul> <li><code>sysrepocfg -I FILE -fjson -d DATABASE</code> to import/write a JSON   formatted configuration file to the specified database.</li> <li><code>sysrepocfg -E FILE -fjson -d DATABASE</code> to edit/merge JSON formatted   configuration in FILE with the specified database.</li> <li><code>sysrepocfg -R FILE -fjson</code> to execute remote procedure call (RPC)    defined in FILE (JSON formatted).</li> <li><code>sysrepocfg -X -fjson -d DATABASE -x xpath</code> to read configuration or   status from specified database.</li> </ul> <p>For importing (-I) and editing (-E), <code>-d running</code> is typically used in examples below. Specify <code>-d startup</code> to apply changes to startup configuration. Exporting (-X) could operate on configuration (e.g., <code>-d running</code>) or status (<code>-d operational</code>).</p> <p>Some commands require a file as input.  In the examples below we assume it has been transferred to the device in advance, e.g. using <code>scp</code>:</p> <pre><code>~$ cat file.json\n{\n   \"ietf-factory-default:factory-reset\": {\n   }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$\n</code></pre>"},{"location":"scripting-sysrepocfg/#factory-reset","title":"Factory Reset","text":"<pre><code>~$ cat file.json\n{\n   \"ietf-factory-default:factory-reset\": {\n   }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -fjson -R /tmp/file.json'\n^C\n~$\n</code></pre> <p>See Factory Reset for another (simpler) alternative.</p> <p>If it is only wished to copy factory config to running config the following RPC is available</p> <pre><code>~$ cat file.json\n{\n   \"infix-factory-default:factory-default\": {\n   }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -fjson -R /tmp/file.json'\n^C\n~$\n</code></pre>"},{"location":"scripting-sysrepocfg/#system-reboot","title":"System Reboot","text":"<pre><code>~$ cat /tmp/file.json\n{\n   \"ietf-system:system-restart\": {\n   }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -fjson -R /tmp/file.json'\n~$\n</code></pre> <p>See System Reboot for another (simpler) alternative.</p>"},{"location":"scripting-sysrepocfg/#set-date-and-time","title":"Set Date and Time","text":"<pre><code>~$ ssh admin@example.local 'date'\nSun Nov 20 10:20:23 UTC 2005\n~$ cat file.json\n{\n   \"ietf-system:set-current-datetime\": {\n      \"current-datetime\": \"2024-04-17T13:48:02-01:00\"\n   }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -fjson -R /tmp/file.json'\n~$ ssh admin@example.local 'date'\nWed Apr 17 14:48:12 UTC 2024\n~$\n</code></pre> <p>See Set Date and Time for another (simpler) alternative.</p>"},{"location":"scripting-sysrepocfg/#remote-control-of-ethernet-ports","title":"Remote Control of Ethernet Ports","text":"<p>Reading administrative status of interface e0 of running configuration.</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d running -e report-all \\\n       -x \\\"/ietf-interfaces:interfaces/interface[name='e0']/enabled\\\"'\n{\n  \"ietf-interfaces:interfaces\": {\n    \"interface\": [\n      {\n        \"name\": \"e0\",\n        \"enabled\": true\n      }\n    ]\n  }\n}\n~$\n</code></pre> <p>Note</p> <p>Without <code>-e report-all</code> argument the line <code>\"enabled: true</code> would not be shown as <code>true</code> is default.</p> <pre><code>~$ ssh admin@example.local \"sysrepocfg -X -fjson -d running \\\n       -x \\\"/ietf-interfaces:interfaces/interface[name='e0']/enabled\\\"\"\n{\n  \"ietf-interfaces:interfaces\": {\n    \"interface\": [\n      {\n        \"name\": \"e0\"\n      }\n    ]\n  }\n}\n~$\n</code></pre> <p>Setting the administrative status of interface e0 of running configuration.</p> <pre><code>$ cat file.json\n{\n  \"ietf-interfaces:interfaces\": {\n    \"interface\": [\n      {\n        \"name\": \"e0\",\n        \"enabled\": false\n      }\n    ]\n  }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -E /tmp/file.json -fjson -d running'\n~$\n</code></pre>"},{"location":"scripting-sysrepocfg/#enabledisable-dhcpv4-client","title":"Enable/Disable DHCPv4 client","text":"<p>Enabling DHCPv4 client on interface e0, with current default options.</p> <pre><code>~$ cat /tmp/file.json\n{\n  \"ietf-interfaces:interfaces\": {\n    \"interface\": [\n      {\n        \"name\": \"e0\",\n        \"ietf-ip:ipv4\": {\n          \"infix-dhcp-client:dhcp\": {}\n        }\n      }\n    ]\n  }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -E /tmp/file.json -fjson -d running'\n~$\n</code></pre> <p>Disabling DHCPv4 client on interface e0 (remove the dhcp container).</p> <pre><code>~$ cat /tmp/file.json\n{\n  \"ietf-interfaces:interfaces\": {\n    \"interface\": [\n      {\n        \"name\": \"e0\",\n        \"ietf-ip:ipv4\": {}\n      }\n    ]\n  }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -E /tmp/file.json -fjson -d running'\n~$\n</code></pre> <p>To fully remove the DHCPv4 client configuration, remove the <code>infix-dhcp-client:dhcp</code> container from the interface's ipv4 configuration.</p>"},{"location":"scripting-sysrepocfg/#enabledisable-ipv6","title":"Enable/Disable IPv6","text":"<p>IPv6 is typically enabled on all interfaces by default. The example below shows IPv4 and IPv6 addresses assigned on e0.</p> <pre><code>~$ ssh admin@example.local 'ip addr show dev e0'\n2: e0: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc pfifo_fast state UP group default qlen 1000\n    link/ether 02:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff\n    inet 10.0.2.15/24 scope global proto dhcp e0\n       valid_lft forever preferred_lft forever\n    inet6 fec0::ff:fe00:0/64 scope site dynamic mngtmpaddr proto kernel_ra\n       valid_lft 86380sec preferred_lft 14380sec\n    inet6 fe80::ff:fe00:0/64 scope link proto kernel_ll\n       valid_lft forever preferred_lft forever\n~$\n</code></pre> <p>IPv6 is enabled/disabled per interface. The example below disables IPv6 on interface e0.</p> <pre><code>~$ cat /tmp/file.json\n{\n  \"ietf-interfaces:interfaces\": {\n    \"interface\": [\n      {\n        \"name\": \"e0\",\n        \"ietf-ip:ipv6\": {\n          \"enabled\": false\n        }\n      }\n    ]\n  }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -E /tmp/file.json -fjson -d running'\n~$ ssh admin@example.local 'ip addr show dev e0'\n2: e0: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc pfifo_fast state UP group default qlen 1000\n    link/ether 02:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff\n    inet 10.0.2.15/24 scope global proto dhcp e0\n       valid_lft forever preferred_lft forever\n~$\n</code></pre>"},{"location":"scripting-sysrepocfg/#change-a-binary-setting","title":"Change a Binary Setting","text":"<p>A YANG <code>binary</code> type setting is Base64 encoded and requires a little bit more tricks.  We take the opportunity to showcase a shell script helper: <code>/usr/bin/text-editor</code>, which works just like the <code>text-editor</code> command in the CLI, but this one takes an XPath argument to the binary leaf to edit.</p> <p>Stripped down, it looks something like this:</p> <pre><code>if tmp=$(sysrepocfg -G \"$xpath\"); then\n    file=$(mktemp)\n\n    echo \"$tmp\" | base64 -d &gt; \"$file\"\n    if edit \"$file\"; then\n        tmp=$(base64 -w0 &lt; \"$file\")\n        sysrepocfg -S \"$xpath\" -u \"$tmp\"\n    fi\n\n    rm -f \"$file\"\nelse\n    echo \"Failed to retrieve value for $xpath\"\n    exit 1\nfi\n</code></pre> <p>An example container configuration, with an embedded file that is mounted to <code>/var/www/index.html</code> can look like this:</p> <pre><code>  \"infix-containers:containers\": {\n    \"container\": [\n      {\n        \"name\": \"web\",\n        \"image\": \"oci-archive:/lib/oci/curios-httpd-latest.tar.gz\",\n        \"hostname\": \"web\",\n        \"network\": {\n          \"interface\": [\n            {\n              \"name\": \"veth-sys0\"\n            }\n          ]\n        },\n        \"mount\": [\n          {\n            \"name\": \"index.html\",\n            \"content\": \"PCFET0NUWVBFIGh0bWwjibberish.shortened.down==\",\n            \"target\": \"/var/www/index.html\"\n          }\n        ]\n      }\n    ]\n  }\n</code></pre> <p>The command to edit this file, and restart the container with the new contents, look like this:</p> <pre><code>admin@infix:~$ cfg edit \"/infix-containers:containers/container[name='web']/mount[name='index.html']/content\"\n</code></pre>"},{"location":"scripting-sysrepocfg/#backup-configuration","title":"Backup Configuration","text":"<p>Displaying running or startup configuration is possible with <code>sysrepocfg -X</code>, as shown below.</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d running'\n{\n  \"ieee802-dot1ab-lldp:lldp\": {\n    \"infix-lldp:enabled\": true\n...\n~$\n</code></pre> <p>An example for backing up startup configuration from remote PC.</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d startup &gt; /tmp/backup.json'\n~$ scp admin@example.local:/tmp/backup.json .\n~$\n</code></pre> <p>Or possibly skip intermediate storage of file</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d startup' &gt; backup.json\n~$\n</code></pre> <p>A final example is to only use <code>scp</code>. This is simpler, but only works to backup the startup configuration (not running).</p> <pre><code>~$ scp admin@example.local:/cfg/startup-config.cfg backup.json\n~$\n</code></pre>"},{"location":"scripting-sysrepocfg/#restore-configuration","title":"Restore Configuration","text":"<p>To restore a backup configuration to startup, the simplest way is to use <code>scp</code> and reboot as shown below</p> <pre><code>~$ scp admin@example.local:/cfg/startup-config.cfg backup.json\n~$ ssh admin@example.local 'reboot'\nConnection to switch.local closed by remote host.\n~$\n</code></pre> <p>An alternative method to restore a backup configuration is to use the <code>sysrepocfg -I FILE</code> (import) command.</p> <p>The example below imports the backup configuration to startup, and reboots the unit.</p> <pre><code>~$ scp backup.json admin@example.local:/tmp/\n~$ ssh admin@example.local 'sudo sysrepocfg -I /tmp/backup.json -fjson -d startup'\n~$ ssh admin@example.local 'reboot'\nConnection to switch.local closed by remote host.\n~$\n</code></pre> <p>Note</p> <p>The login credentials (hash) for the <code>admin</code> user are stored as part of the configuration file.  When replacing a switch and applying the backed up configuration from the former switch, the password on the replacement unit will also change.</p>"},{"location":"scripting-sysrepocfg/#copy-running-to-startup","title":"Copy Running to Startup","text":"<p>The following command reads out the running config via <code>sysrepocfg -X</code> and writes the result to the startup configuration.</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d running &gt; /cfg/startup-config.cfg'\n~$\n</code></pre> <p>An alternative is to write it to a temporary file, and use <code>sysrepocfg -I</code> to import it to startup.</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d running &gt; /tmp/running.json'\n~$ ssh admin@example.local 'sysrepocfg -I /tmp/running.json -fjson -d startup'\n~$\n</code></pre>"},{"location":"scripting-sysrepocfg/#read-hardware-information","title":"Read Hardware Information","text":"<p>The IETF Hardware YANG model has been augmented for ONIE formatted production data stored in EEPROMs, if available.  For details, see the VPD documentation and the ietf-hardware and infix-hardware YANG models.</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d operational -x /ietf-hardware:hardware'\n{\n  \"ietf-hardware:hardware\": {\n    \"component\": [\n      {\n        \"name\": \"product\",\n        \"class\": \"infix-hardware:vpd\",\n        \"serial-num\": \"12345\",\n        \"model-name\": \"Switch2010\",\n        \"mfg-date\": \"2024-01-30T16:42:37+00:00\",\n        \"infix-hardware:vpd-data\": {\n          \"product-name\": \"Switch2010\",\n          \"part-number\": \"ABC123-001\",\n          \"serial-number\": \"007\",\n          \"mac-address\": \"00:53:00:01:23:45\",\n          \"manufacture-date\": \"01/30/2024 16:42:37\",\n          \"num-macs\": 11,\n          \"manufacturer\": \"ACME Production\",\n          \"vendor\": \"SanFran Networks\"\n        }\n      },\n      {\n        \"name\": \"USB\",\n        \"class\": \"infix-hardware:usb\",\n        \"state\": {\n          \"admin-state\": \"unlocked\",\n          \"oper-state\": \"enabled\"\n        }\n      }\n    ]\n  }\n}\n~$\n</code></pre>"},{"location":"scripting/","title":"Introduction","text":""},{"location":"scripting/#scripting-infix","title":"Scripting Infix","text":"<p>In some situations a user cannot, or does not want to, use the NETCONF API for interacting with Infix.  Examples include production tasks and simpler remote scripting jobs to one or more remote devices.</p> <p>This document assumes you have the password for the <code>admin</code> user, and that you can connect to the device.  Please see Finding my Device for help on locating it.</p> <p>Furthermore, the example commands shown here that are execute from a PC to a remote device over SSH, use Linux/UNIX.  With advances lately in both Windows and macOS, many of the user friendly tools previously only available in Linux are now available there too.</p> <p>The shell prompt for the PC laptop side:</p> <pre><code>~$\n</code></pre> <p>The shell prompt when logged in to an Infix device:</p> <pre><code>admin@example:~$\n</code></pre> <p>Note</p> <p>The shell script commands used here are the raw variants which the CLI usually wraps in a warm and snugly blanket.  Meaning they may change over time, while the CLI wrappers do not.  That being said, please let us know if you find any inconsistencies.</p>"},{"location":"scripting/#tips","title":"Tips","text":"<ul> <li>Ensure the <code>admin</code> user does not have <code>clish</code> as login shell</li> <li>Enable SSH key authentication</li> <li>Deploy same SSH public key to many Infix devices</li> <li>Secure your private SSH key using, e.g., <code>ssh-agent</code></li> </ul> <p>The <code>ssh-keygen</code> command, used to create the private/public key pair, asks for a passphrase and although this is technically optional it is highly recommended to set one.  For ease of use, in particular when scripting, use <code>ssh-agent</code> to avoid retyping the passphrase for every command.</p> <p>Useful links on SSH, keys, and using <code>ssh-agent</code>:</p> <ul> <li>https://en.wikipedia.org/wiki/Ssh-agent</li> <li>https://www.cyberciti.biz/faq/how-to-use-ssh-agent-for-authentication-on-linux-unix/</li> <li>https://goteleport.com/blog/how-to-use-ssh-agent-safely/</li> </ul>"},{"location":"scripting/#admin-user-not-authorized","title":"Admin User Not Authorized","text":"<p>All system services and critical configuration files are owned by the locked-down <code>root</code> user.  It is not possible to activate the <code>root</code> user account for remote logins.  Instead, use <code>admin</code> user and the <code>sudo</code> command prefix.</p> <p>Here we are logged in to an example device:</p> <pre><code>admin@example:~$ cp /cfg/startup-config.cfg /cfg/backup-config.cfg\ncp: can't create '/cfg/backup-config.cfg': Permission denied\nadmin@example:~$ sudo cp /cfg/startup-config.cfg /cfg/backup-config.cfg\n</code></pre>"},{"location":"scripting/#examples","title":"Examples","text":"<p>The following example commands are run from the PC over SSH.  The following is a very brief introduction.</p> <p>The notation is <code>ssh username@address</code>, where address can be an IPv4 or IPv6 address, a DNS name, or an mDNS name, e.g. infix.local.  In the case of IPv6: <code>address%interface</code>, where interface differs between operating systems.  On Linux and macOS the interface name is used, but on Windows the interface index<sup>1</sup> is used.</p>"},{"location":"scripting/#logging-in-to-a-device","title":"Logging in to a device","text":"<pre><code>~$ ssh admin@fe80::ff:fe00:0%eth0\nThe authenticity of host 'fe80::ff:fe00:0%eth0 (fe80::ff:fe00:0%eth0)' can't be established.\nED25519 key fingerprint is SHA256:5/9mw64jhmYyD8MD+SwrsG3RXMBbP48pDe2T8bg14RQ.\nThis key is not known by any other names\nAre you sure you want to continue connecting (yes/no/[fingerprint])? yes\nWarning: Permanently added 'fe80::ff:fe00:0%eth0' (ED25519) to the list of known hosts.\nadmin@fe80::ff:fe00:0%eth0's password: *****\n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-'\n\nRun the command 'cli' for interactive OAM\n\nadmin@infix-c0-ff-ee:/&gt;\n</code></pre>"},{"location":"scripting/#running-a-remote-command","title":"Running a remote command","text":"<pre><code>~$ ssh admin@fe80::ff:fe00:0%eth0 echo hej\nadmin@fe80::ff:fe00:0%eth0's password: *****\nhej\n</code></pre>"},{"location":"scripting/#made-easy-with-mdns","title":"Made Easy with mDNS","text":"<p>Connecting to networked devices using IP addresses is the way many people are used to.  The above example with IPv6 tend to scare off people, so for the rest of this document we'll use the mDNS name instead:</p> <pre><code>~$ ssh admin@infix.local%eth0\nThe authenticity of host 'infix.local%eth0' can't be established.\nAre you sure you want to continue connecting (yes/no/[fingerprint])? yes\n...\nadmin@infix:/&gt;\n</code></pre>"},{"location":"scripting/#factory-reset","title":"Factory Reset","text":"<p>The command option <code>-y</code> disables any \"are you sure?\" interaction and immediately triggers a factory reset and reboot of the device.  It is when the device boots up it erases all writable storage.</p> <pre><code>~$ ssh admin@infix.local%eth0 factory -y\nadmin@infix.local%eth0's password: *****\n</code></pre>"},{"location":"scripting/#system-reboot","title":"System Reboot","text":"<pre><code>~$ ssh admin@infix.local%eth0 reboot\nadmin@infix.local%eth0's password: *****\n</code></pre>"},{"location":"scripting/#set-date-and-time","title":"Set Date and Time","text":"<p>Devices running Infix may have their system time completely off and this can cause problems for upgrading and when accessing the web interface over HTTPS (certificate validation looks at start and end dates).</p> <p>To set the device's system time, and sync that with the RTC: use the PCs current time as argument:</p> <pre><code>~$ ssh admin@infix.local%eth0 \"sudo date -s '2024-03-20 18:14+01:00' &amp;&amp; \\\n                               sudo hwclock -w -u\"\nadmin@infix.local%eth0's password: *****\n</code></pre> <p>Tip</p> <p>The <code>-u</code> option ensures saving system time to the RTC in UTC time.</p> <p>Verify that the change took:</p> <pre><code>~$ ssh admin@infix.local%eth0 date\nadmin@infix.local%eth0's password: *****\nWed Mar 20 17:14:47 UTC 2024\n</code></pre>"},{"location":"scripting/#remote-control-of-ethernet-ports","title":"Remote Control of Ethernet Ports","text":"<p>There are two ways to do it:</p> <ol> <li>Change the configuration without saving it to <code>startup-config</code></li> <li>Change the operational state</li> </ol> <p>The first involves sending a NETCONF command/config in XML. The second we will cover here. We start by querying available interfaces (ports) on the remote system:</p> <pre><code>~$ ssh admin@infix.local%qtap0 ip -br a\nadmin@infix.local%qtap0's password:\nlo               UP             127.0.0.1/8 ::1/128\ne0               UP             fe80::ff:fe00:0/64\ne1               UP\ne2               UP\ne3               UP\ne4               UP\ne5               UP             fe80::ff:fe00:5/64\ne6               UP             fe80::ff:fe00:6/64\ne7               UP             fe80::ff:fe00:7/64\ne8               UP             fe80::ff:fe00:8/64\ne9               UP             192.168.2.200/24 fe80::ff:fe00:9/64\nbr0              UP\n</code></pre> <p>Here we see a loopback interface (lo), ten Ethernet ports (e0-e9) and a bridge (br0).  From this quick glance we can guess that the ports e1-e4 are bridged (you can verify this with the remote command <code>bridge link</code>) because they do not have a link-local IPv6 address.</p> <p>I know it's port e6 that I want to take down:</p> <pre><code>~$ ssh admin@infix.local%qtap0 ip link set e6 down\nadmin@infix.local%qtap0's password:\nRTNETLINK answers: Operation not permitted\n~$ ssh admin@infix.local%qtap0 sudo ip link set e6 down\nadmin@infix.local%qtap0's password:\n</code></pre> <p>Changing the operational link state of a port is a privileged command, so we have to prefix our command with <code>sudo</code>.</p> <p>Inspecting the link state again show the port is now down:</p> <pre><code>~$ ssh admin@infix.local%qtap0 ip -br a\nadmin@infix.local%qtap0's password:\nlo               UP             127.0.0.1/8 ::1/128\ne0               UP             fe80::ff:fe00:0/64\ne1               UP\ne2               UP\ne3               UP\ne4               UP\ne5               UP             fe80::ff:fe00:5/64\ne6               DOWN\ne7               UP             fe80::ff:fe00:7/64\ne8               UP             fe80::ff:fe00:8/64\ne9               UP             192.168.2.200/24 fe80::ff:fe00:9/64\nbr0              UP\n</code></pre>"},{"location":"scripting/#check-network-connectivity","title":"Check Network Connectivity","text":"<p>Say you want to perform a [System Upgrade][#system-upgrade] and it just does not work, a good place to start troubleshooting is ensuring the device can actually reach the upgrade server.</p> <p>We run the following <code>ping</code> command remotely on the device:</p> <pre><code>~$ ssh admin@infix.local%eth0 ping -c 3 server.local\nadmin@infix.local%qtap0's password: *****\nPING server.local (192.168.2.42) 56(84) bytes of data.\n64 bytes from server.local: icmp_seq=1 ttl=64 time=0.201 ms\n64 bytes from server.local: icmp_seq=2 ttl=64 time=0.432 ms\n64 bytes from server.local: icmp_seq=3 ttl=64 time=0.427 ms\n\n--- server.local ping statistics ---\n3 packets transmitted, 3 received, 0% packet loss, time 2050ms\nrtt min/avg/max/mdev = 0.201/0.353/0.432/0.107 ms\n</code></pre> <p>Here we get a reply, so whatever is the issue with the upgrade was not hiding behind a connectivity issue at least.</p>"},{"location":"scripting/#system-upgrade","title":"System Upgrade","text":"<p>The underlying software that handles upgrades is called RAUC.  To trigger an upgrade you (currently) need an FTP/TFTP or HTTP/HTTPS server where RAUC can fetch the upgrade from.  In this example we use an FTP server to upgrade the currently inactive \"slot\":</p> <pre><code>~$ ssh admin@infix.local%eth0 rauc install ftp://server.local/infix-aarch64-24.06.0.pkg\nadmin@infix.local%eth0's password: *****\ninstalling\n  0% Installing\n  0% Determining slot states\n 20% Determining slot states done.\n 20% Checking bundle\n 20% Verifying signature\n 40% Verifying signature done.\n 40% Checking bundle done.\n 40% Checking manifest contents\n 60% Checking manifest contents done.\n 60% Determining target install group\n 80% Determining target install group done.\n 80% Updating slots\n 80% Checking slot rootfs.1\n 90% Checking slot rootfs.1 done.\n 90% Copying image to rootfs.1\n 99% Copying image to rootfs.1 done.\n 99% Updating slots done.\n100% Installing done.\nidle\nInstalling `ftp://server.local/infix-aarch64-24.06.0.pkg` succeeded\n~$\n</code></pre> <p>The inactive slot is now marked active and will be used on the next boot.  To upgrade the partition we booted from, we must first reboot.</p> <p>For more information, see the Boot Procedure document.</p> <p>Alternative:</p> <p>If you know your device has sufficient storage, eMMC or RAM disk (check with the remote command <code>df -h</code>), you can also copy the <code>.pkg</code> file to the device instead of having to set up an FTP/TFTP or HTTP/HTTPS server.</p> <p>Create an upload directory where <code>admin</code> has write permission:</p> <pre><code>~$ ssh admin@infix.local%eth0 \"sudo mkdir /var/tmp/upload; \\\n                               sudo chown admin /var/tmp/upload\"\nadmin@infix.local%eth0's password:\n</code></pre> <p>Copy the file with secure copy, first we show the nasty IPv6 version of the command:</p> <pre><code>~$ scp infix-aarch64-24.06.0.pkg admin@\\[fe80::ff:fe00:0%eth0\\]:/var/tmp/upload/\nadmin@fe80::ff:fe00:0%eth0's password:\ninfix-aarch64-24.06.0.pkg                              100%  296   601.4KB/s   00:00\n</code></pre> <p>And the upgrade command itself:</p> <pre><code>~$ ssh admin@infix.local%eth0 rauc install /var/tmp/upload/infix-aarch64-24.06.0.pkg\nadmin@infix.local%eth0's password: *****\n.\n.\n.\n</code></pre> <p>Remember to remove the file from the upload directory when you are done, this can be done before or after the reboot to activate the upgrade.  If you want to upgrade both \"slots\", then you can of course keep the file until you are done (provided the upload directory was created on persistent storage).</p> <pre><code>~$ ssh admin@infix.local%eth0 rm /var/tmp/upload/infix-aarch64-24.06.0.pkg\nadmin@infix.local%eth0's password: *****\n~$\n</code></pre>"},{"location":"scripting/#controlling-leds","title":"Controlling LEDs","text":"<p>As part of production testing, LED verification is often expected to be performed.  Infix uses standard Linux support for LED management, where LEDs appear in the file system under /sys/class/leds and can be controlled using echo command. <code>sudo</code> privileges are required.</p> <p>When interacting with LEDs this way, first disable the Infix iitod daemon to avoid conflicting LED control.</p> <pre><code>~$ ssh admin@example.local 'initctl stop iitod'\n</code></pre> <p>Then run the test, e.g., visually control that a red LED labeled 'LAN' is working.</p> <pre><code>~$ ssh admin@example.local 'echo none | sudo tee /sys/class/leds/red\\:lan/trigger'\n~$ ssh admin@example.local 'echo 1    | sudo tee /sys/class/leds/red\\:lan/brightness'\n</code></pre> <p>To turn off the same LED, run the following commands.</p> <pre><code>~$ ssh admin@example.local 'echo none | sudo tee /sys/class/leds/red\\:lan/trigger'\n~$ ssh admin@example.local 'echo 0    | sudo tee /sys/class/leds/red\\:lan/brightness'\n</code></pre> <p>When done with LED testing, enable Infix iitod daemon again.</p> <pre><code>~$ ssh admin@example.local 'initctl start iitod'\n</code></pre>"},{"location":"scripting/#reading-power-feed-status","title":"Reading Power Feed Status","text":"<p>As part of production tests, verification of Power Feed sensors is often expected to be performed. Infix uses standard Linux support for Power management, where power sources appear in the file system under /sys/class/power_supply. The following example reads status of two power supplies named pwr1 and pwr2.</p> <pre><code>~$ ssh admin@example 'cat /sys/class/power_supply/pwr1/online'\n1\n~$ ssh admin@example 'cat /sys/class/power_supply/pwr2/online'\n0\n~$\n</code></pre> <p>Here, only <code>pwr1</code> have power.</p> <ol> <li> <p>Press Win-r to bring up the Run dialog, enter <code>cmd.exe</code> and press enter.  Then type in <code>ipconfig /all</code> to list all interfaces, their status, as well as interface index.\u00a0\u21a9</p> </li> </ol>"},{"location":"syslog/","title":"Syslog Support","text":""},{"location":"syslog/#syslog-support","title":"Syslog Support","text":"<p>The system comes with native logging to internal storage, <code>/var/log/</code>, or <code>/log</code> for a shortcut.  Depending on the device, this may be a RAM disk, meaning logs are not retained across reboots.  This document details how to log to external media or remote syslog servers.</p> <p>It is also possible to set up the device to act as a syslog server (log sink), this is covered briefly at the very end of this document.</p> <p>Note</p> <p>The default logging setup in the system cannot be modified, only the log file rotation.  Please see the <code>dir</code> admin-exec command for a listing of existing log files.</p>"},{"location":"syslog/#log-to-file","title":"Log to File","text":"<p>Logging to a local file is useful when combined with an external media. E.g., a USB stick with a log partition (named/labeled: \"log\").  Below is an example.</p> <p>For a list of available log facilities, see the table in a later section.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit syslog actions log-file file:/media/log/mylog\nadmin@example:/config/syslog/\u2026/file:/media/log/mylog/&gt; set facility-list\n      all    audit     auth authpriv  console     cron    cron2   daemon      ftp     kern\n   local0   local1   local2   local3   local4   local5   local6   local7      lpr     mail\n     news      ntp   syslog     user     uucp\nadmin@example:/config/syslog/\u2026/file:/media/log/mylog/&gt; set facility-list all severity\n     alert       all  critical     debug emergency     error      info      none    notice   warning\nadmin@example:/config/syslog/\u2026/file:/media/log/mylog/&gt; set facility-list all severity critical\nadmin@example:/config/syslog/\u2026/file:/media/log/mylog/&gt; set facility-list mail severity warning\nadmin@example:/config/syslog/\u2026/file:/media/log/mylog/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Important</p> <p>The <code>log-file</code> syntax requires the leading prefix <code>file:</code>.  If the path is not absolute, e.g., <code>file:mylog</code>, the file is saved to the system default path, i.e., <code>/log/mylog</code>.  In this case, verify that the filename is not already in use.</p>"},{"location":"syslog/#log-rotation","title":"Log Rotation","text":"<p>By default log files are allowed to grow to a size of 1 MiB after which they are \"rotated\".  The whole reason for this is to not fill up the disk with outdated logs.  A rotated file is saved in stages and older ones are also compressed (using <code>gzip</code>).  Use the <code>show log</code> command in admin-exec context to start the log file viewer:</p> <pre><code>admin@example:/config/syslog/&gt; do show log\nlog  log.0  log.1.gz  log.2.gz  log.3.gz  log.4.gz  log.5.gz\nadmin@example:/config/syslog/&gt; do show log log.1.gz\n</code></pre> <p>Tip</p> <p>Use the Tab key on your keyboard list available log files.  The <code>do</code> prefix is also very useful in configure context to access commands from admin-exec context.</p> <p>By default 10 compressed older files are saved.  Here the oldest is <code>log.5.gz</code> and the most recently rotated one is <code>log.0</code>.</p> <p>Log file rotation can be configured both globally and per log file. Here we show the global settings, the set up is the same for per log file, which if unset inherit the global settings:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit syslog file-rotation\nadmin@example:/config/syslog/file-rotation/&gt; show\nadmin@example:/config/syslog/file-rotation/&gt;\n</code></pre> <p>The defaults are not shown.  We can inspect them by asking the YANG model for the help texts:</p> <pre><code>admin@example:/config/syslog/file-rotation/&gt; help\n   max-file-size    number-of-files\nadmin@example:/config/syslog/file-rotation/&gt; help max-file-size \nNAME\n        max-file-size kilobytes\n\nDESCRIPTION\n        Maximum log file size (kiB), before rotation.\n\nDEFAULT\n        1024\nadmin@example:/config/syslog/file-rotation/&gt; help number-of-files \nNAME\n        number-of-files [0..4294967295]\n\nDESCRIPTION\n        Maximum number of log files retained.\n\nDEFAULT\n        10\n</code></pre> <p>To change the defaults to something smaller, 512 kiB and 20 (remember everything after .0 is compressed, and text compresses well):</p> <pre><code>admin@example:/config/syslog/file-rotation/&gt; set max-file-size 512\nadmin@example:/config/syslog/file-rotation/&gt; set number-of-files 20\nadmin@example:/config/syslog/file-rotation/&gt; show\nnumber-of-files 20;\nmax-file-size 512;\nadmin@example:/config/syslog/file-rotation/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"syslog/#log-format","title":"Log Format","text":"<p>There are three major syslog log formats, the default is RFC3164 for log files and BSD for remote logging.  Depending on time synchronization and remote log server capabilities, or policies, the RFC5424 format is often preferred since it not only has better time resolution but also supports structured logging:</p> <pre><code>BSD     : myproc[8710]: Kilroy was here.\nRFC3164 : Aug 24 05:14:15 192.0.2.1 myproc[8710]: Kilroy was here.\nRFC5424 : 2003-08-24T05:14:15.000003-07:00 192.0.2.1 myproc 8710 - - Kilroy was here.\n</code></pre> <p>The BSD format is only applicable to remote logging.  It remains the default for compatibility reasons, and is recommended since the device may not have proper time, making it better for the remote log server to perform time stamping at the time of arrival.</p> <p>Configuring the log format is the same for log files and remotes:</p> <pre><code>admin@example:/config/&gt; edit syslog actions log-file file:foobar\nadmin@example:/config/syslog/\u2026/file:foobar/&gt; set log-format\n                  bsd               rfc3164              rfc5424\nadmin@example:/config/syslog/\u2026/file:foobar/&gt; set log-format rfc5424\nadmin@example:/config/syslog/\u2026/file:foobar/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"syslog/#log-to-remote-server","title":"Log to Remote Server","text":"<p>Logging to a remote syslog server is the recommended way of supervising the system.  This way all login attempts (console, SSH, or web) and any configuration changes can be traced, even in cases of a remote attacker tries to cover their traces by deleting logs.</p> <p>The recommended setup involves using a fixed IP address, default BSD log format, and the default Internet port (514).  This is the most reliable, because your device may not have DNS set up or even available, and some remote syslog servers do not support receiving time stamped log messages -- this is of course entirely dependent on how the remote server is set up, as well as local policy.</p> <pre><code>admin@example:/config/&gt; edit syslog\n       actions file-rotation        server\nadmin@example:/config/&gt; edit syslog actions destination moon\nadmin@example:/config/syslog/\u2026/moon/&gt; set\n facility-list    log-format           udp\nadmin@example:/config/syslog/\u2026/moon/&gt; set udp\n address    port\nadmin@example:/config/syslog/\u2026/moon/&gt; set udp address 192.168.0.12\nadmin@example:/config/syslog/\u2026/moon/&gt; set facility-list container severity all\nadmin@example:/config/syslog/\u2026/moon/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Tip</p> <p>The alternatives shown below each prompt in the example above can be found by tapping the Tab key.</p>"},{"location":"syslog/#acting-as-a-log-server","title":"Acting as a Log Server","text":"<p>The syslog server can act as a log sink for other devices on a LAN.  For this to work you need a static IP address, here we use 10.0.0.1/24.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit syslog server\nadmin@example:/config/syslog/server/&gt; set enabled true\nadmin@example:/config/syslog/server/&gt; set listen udp 514 address 10.0.0.1\nadmin@example:/config/syslog/server/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>See the above Log to File section on how to set up filtering of received logs to local files.  Please note, filtering based on property, e.g., hostname, is not supported yet.</p>"},{"location":"syslog/#facilities","title":"Facilities","text":"Code Facility Description 0 kern Kernel log messages 1 user User-level messages 2 mail Mail system 3 daemon General system daemons 4 auth Security/authorization messages 5 syslog Messages generated by syslogd 6 lpr Line printer subsystem 7 news Network news subsystem 8 uucp UNIX-to-UNIX copy 9 cron Clock/cron daemon (BSD, Linux) 10 authpriv Security/authorization messages (private) 11 ftp FTP daemon 12 ntp NTP subsystem 13 audit Log audit (security) 14 console Log alert 15 cron2 Clock/cron daemon (Solaris) 16 rauc* local0, reserved for RAUC 17 container* local1, reserved for containers 18 local2 Currently unused 19 local3 Currently unused 20 local4 Currently unused 21 local5 Currently unused 22 reserved* local6, reserved for industrial Ethernet 23 web* local7, reserved for nginx web server <p>Facilities marked <code>*</code> are local augments to the model.</p>"},{"location":"system/","title":"Configuration","text":""},{"location":"system/#system-configuration","title":"System Configuration","text":"<p>System settings in Infix are provided by the ietf-system YANG model, augmented with Linux specific extensions in infix-system, like Message of the Day (login message) and user login shell.  More on this later on in this document.</p> <p>For the sake of brevity, the hostname in the following examples has been shortened to <code>host</code>.  The default hostname is composed from a product specific string followed by the last three octets of the system base MAC address, e.g., <code>switch-12-34-56</code>.  An example of how to change the hostname is included below.</p> <p>Note</p> <p>When issuing <code>leave</code> to activate your changes, remember to also save your settings, <code>copy running-config startup-config</code>.  See the CLI Introduction for a background.</p>"},{"location":"system/#changing-password","title":"Changing Password","text":"<p>User management, including passwords, SSH keys, remote authentication is available in the system authentication configuration context.</p> <pre><code>admin@host:/config/&gt; edit system authentication user admin\nadmin@host:/config/system/authentication/user/admin/&gt; change password\nNew password:\nRetype password:\nadmin@host:/config/system/authentication/user/admin/&gt; leave\n</code></pre> <p>The <code>change password</code> command starts an interactive dialogue that asks for the new password, with a confirmation, and then salts and encrypts the password with sha512crypt.</p> <p>It is also possible to use the <code>set password ...</code> command.  This allows setting an already hashed password.  To manually hash a password, use the <code>do password encrypt</code> command.  This launches the admin-exec command to hash, and optionally salt, your password.  This encrypted string can then be used with <code>set password ...</code>.</p> <p>Tip</p> <p>If you are having trouble thinking of a password, there is a nifty <code>password generate</code> command in admin-exec context which generates random passwords using the UNIX command <code>pwgen</code>.  Use the <code>do</code> prefix when inside any configuration context to access admin-exec commands.</p>"},{"location":"system/#ssh-authorized-key","title":"SSH Authorized Key","text":"<p>Logging in remotely with SSH is possible by adding a public key to a user.  Here we add the authorized key to the admin user, multiple keys are supported.</p> <p>With SSH keys in place it is possible to disable password login, just remember to verify SSH login and network connectivity before doing so.</p> <pre><code>admin@host:/config/&gt; edit system authentication user admin\nadmin@host:/config/system/authentication/user/admin/&gt; edit authorized-key example@host\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; set algorithm ssh-rsa\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; set key-data 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\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; show\nalgorithm ssh-rsa;\nkey-data 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;\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; leave\n</code></pre> <p>Note</p> <p>The <code>ssh-keygen</code> program already base64 encodes the public key data, so there is no need to use the <code>text-editor</code> command, <code>set</code> does the job.</p>"},{"location":"system/#multiple-users","title":"Multiple Users","text":"<p>The system supports multiple users and multiple user levels, or groups, that a user can be a member of.  Access control is entirely handled by the NETCONF \"NACM\" YANG model, which provides granular access to configuration, data, and RPC commands over NETCONF.</p> <p>By default the system ships with a single group, <code>admin</code>, which the default user <code>admin</code> is a member of.  The broad permissions granted by the <code>admin</code> group is what gives its users full system administrator privileges.  There are no restrictions on the number of users with administrator privileges, nor is the <code>admin</code> user reserved or protected in any way -- it is completely possible to remove the default <code>admin</code> user from the configuration.  However, it is recommended to keep at least one user with administrator privileges in the system, otherwise the only way to regain full access is to perform a factory reset.</p>"},{"location":"system/#adding-a-user","title":"Adding a User","text":"<p>Similar to how to change password, adding a new user is done using the same set of commands:</p> <pre><code>admin@host:/config/&gt; edit system authentication user jacky\nadmin@host:/config/system/authentication/user/jacky/&gt; change password\nNew password:\nRetype password:\nadmin@host:/config/system/authentication/user/jacky/&gt; leave\n</code></pre> <p>An authorized SSH key is added the same way as presented previously.</p>"},{"location":"system/#adding-a-user-to-the-admin-group","title":"Adding a User to the Admin Group","text":"<p>The following commands add user <code>jacky</code> to the <code>admin</code> group.</p> <pre><code>admin@host:/config/&gt; edit nacm group admin\nadmin@host:/config/nacm/group/admin/&gt; set user-name jacky\nadmin@host:/config/nacm/group/admin/&gt; leave\n</code></pre>"},{"location":"system/#security-aspects","title":"Security Aspects","text":"<p>The NACM user levels apply primarily to NETCONF, with exception of the <code>admin</code> group which is granted full system administrator privileges to the underlying UNIX system with the following ACL rules:</p> <pre><code>   ...\n   \"module-name\": \"*\",\n   \"access-operations\": \"*\",\n   \"action\": \"permit\",\n   ...\n</code></pre> <p>A user in the <code>admin</code> group is allowed to also use a POSIX login shell and use the <code>sudo</code> command to perform system administrative commands. This makes it possible to use all the underlying UNIX tooling, which to many can be very useful, in particular when debugging a system, but please remember to use with care -- the system is not built to require managing from the shell.  The tools available in the CLI and automated services, started from the system's configuration, are the recommended way of using the system, in addition to NETCONF tooling.</p>"},{"location":"system/#changing-hostname","title":"Changing Hostname","text":"<p>Notice how the hostname in the prompt does not change until the change is committed by issuing the <code>leave</code> command.</p> <pre><code>admin@host:/config/&gt; edit system\nadmin@host:/config/system/&gt; set hostname example\nadmin@host:/config/system/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>The hostname is advertised over mDNS-SD in the <code>.local</code> domain.  If another device already has claimed the <code>example.local</code> CNAME, in our case, mDNS will advertise a \"uniqified\" variant, usually suffixing with an index, e.g., <code>example-1.local</code>.  Use an mDNS browser to scan for available devices on your LAN.</p> <p>In some cases you may want to set the device's domain name as well. This is handled the same way:</p> <pre><code>admin@host:/config/&gt; edit system\nadmin@host:/config/system/&gt; set hostname foo.example.com\nadmin@host:/config/system/&gt; leave\nadmin@foo:/&gt;\n</code></pre> <p>Both host and domain name are stored in the system files <code>/etc/hosts</code> and <code>/etc/hostname</code>.  The latter is exclusively for the host name.  The domain may be used by the system DHCP server when handing out leases to clients, it is up to the clients to request the domain name option.</p> <p>Note</p> <p>Critical services like syslog, mDNS, LLDP, and similar that advertise the hostname, are restarted when the hostname is changed.</p>"},{"location":"system/#changing-login-banner","title":"Changing Login Banner","text":"<p>The <code>motd-banner</code> setting is an Infix augment and an example of a <code>binary</code> type setting that can be changed interactively with the built-in <code>text-editor</code> command.</p> <p>Tip</p> <p>See the next section for how to change the editor used to something you may be more familiar with.</p> <pre><code>admin@host:/config/&gt; edit system\nadmin@host:/config/system/&gt; text-editor motd-banner\nadmin@host:/config/system/&gt; leave\nadmin@host:/&gt;\n</code></pre> <p>Log out and log back in again to inspect the changes.</p>"},{"location":"system/#changing-the-editor","title":"Changing the Editor","text":"<p>The system has three different built-in editors that can be used as the <code>text-editor</code> command:</p> <ul> <li><code>emacs</code> (Micro Emacs)</li> <li><code>nano</code> (GNU Nano)</li> <li><code>vi</code> (Visual Editor)</li> </ul> <p>To change the editor to GNU Nano:</p> <pre><code>admin@host:/&gt; configure\nadmin@host:/config/&gt; edit system\nadmin@host:/config/system/&gt; set text-editor nano\nadmin@host:/config/system/&gt; leave\nadmin@host:/&gt;\n</code></pre> <p>Important</p> <p>Configuration changes only take effect after issuing the <code>leave</code> command.  I.e., you must change the editor first, and then re-enter configure context to use your editor of choice.</p>"},{"location":"system/#dns-resolver-configuration","title":"DNS Resolver Configuration","text":"<p>The system supports both static and dynamic (DHCP) DNS setup.  The locally configured (static) server is preferred over any acquired from a DHCP client.</p> <pre><code>admin@host:/&gt; configure\nadmin@host:/config/&gt; edit system dns-resolver\nadmin@host:/config/system/dns-resolver/&gt; set server google udp-and-tcp address 8.8.8.8\nadmin@host:/config/system/dns-resolver/&gt; show\nserver google {\n  udp-and-tcp {\n    address 8.8.8.8;\n  }\n}\nadmin@host:/config/system/dns-resolver/&gt; leave\n</code></pre> <p>It is also possible to configure resolver options like timeout and retry attempts.  See the YANG model for details, or use the built-in help system in the CLI.</p> <p>Note</p> <p>When acting as a DHCP server and DNS proxy for other devices, any local DNS server configured here is automatically used as upstream DNS server.</p>"},{"location":"system/#ntp-client-configuration","title":"NTP Client Configuration","text":"<p>Below is an example configuration for enabling NTP with a specific server and the <code>iburst</code> option for faster initial synchronization.</p> <pre><code>admin@host:/&gt; configure\nadmin@host:/config/&gt; edit system ntp\nadmin@host:/config/system/ntp/&gt; set enabled\nadmin@host:/config/system/ntp/&gt; set server ntp-pool\nadmin@host:/config/system/ntp/&gt; set server ntp-pool udp address pool.ntp.org\nadmin@host:/config/system/ntp/&gt; set server ntp-pool iburst\nadmin@host:/config/system/ntp/&gt; set server ntp-pool prefer\nadmin@host:/config/system/ntp/&gt; leave\n</code></pre> <p>This configuration enables the NTP client and sets the NTP server to <code>pool.ntp.org</code> with the <code>iburst</code> and <code>prefer</code> options. The <code>iburst</code> option ensures faster initial synchronization, and the <code>prefer</code> option designates this server as preferred.</p> <ul> <li><code>prefer false</code>: The NTP client will choose the best available source based on several factors, such as network delay, stratum, and other metrics (default config).</li> <li><code>prefer true</code>: The NTP client will try to use the preferred server as the primary source unless it becomes unreachable or unusable.</li> </ul>"},{"location":"system/#show-ntp-sources","title":"Show NTP Sources","text":"<p>The status for NTP sources is availble in YANG and accessable with CLI/NETCONF/RESTCONF.</p> <p>To view the sources being used by the NTP client, run: </p><pre><code>admin@target:/&gt; show ntp\nADDRESS         MODE         STATE            STRATUM POLL-INTERVAL\n192.168.1.1     server       candidate              1             6\n192.168.2.1     server       candidate              1             6\n192.168.3.1     server       selected               1             6\n</code></pre><p></p>"},{"location":"system/#show-ntp-status","title":"Show NTP Status","text":"<p>To check the status of NTP synchronization (only availble in CLI), use the following command:</p> <pre><code>admin@host:/&gt; show ntp tracking\nReference ID    : C0248F86 (192.36.143.134)\nStratum         : 2\nRef time (UTC)  : Mon Oct 21 10:06:45 2024\nSystem time     : 0.000000001 seconds slow of NTP time\nLast offset     : -3845.151367188 seconds\nRMS offset      : 3845.151367188 seconds\nFrequency       : 4.599 ppm slow\nResidual freq   : +1293.526 ppm\nSkew            : 12.403 ppm\nRoot delay      : 1.024467230 seconds\nRoot dispersion : 0.273462683 seconds\nUpdate interval : 0.0 seconds\nLeap status     : Normal\nadmin@host:/&gt;\n</code></pre> <p>This output provides detailed information about the NTP status, including reference ID, stratum, time offsets, frequency, and root delay.</p> <p>Tip</p> <p>The system uses <code>chronyd</code> Network Time Protocol (NTP) daemon.  The output shown here is best explained in the Chrony documentation.</p>"},{"location":"test-arch/","title":"Test System Architecture","text":""},{"location":"test-arch/#test-system-architecture","title":"Test System Architecture","text":""},{"location":"test-arch/#tenets","title":"Tenets","text":"<ul> <li> <p>Keep overhead to a minimum.  Tests should be fast to both write   and run.  Ideally, the developer should want to add tests early in   the development cycle because they instinctively feel that that is   the quickest route to arrive at a correct and robust implementation.</p> </li> <li> <p>Both physical and virtual hardware matters.  Infix is primarily   deployed on physical hardware, so being able to run the test suite   on real devices is crucial to guarantee a high quality product.  At   the same time, there is much value in running the same suite on   virtual hardware, as it makes it easy to catch regressions early.   It is also much more practical and economical to build large virtual   networks than physical ones.</p> </li> <li> <p>Avoid CLI scripting &amp; scraping.  Reliably interacting with a DUT   over a serial line in a robust way is very hard to get right.   Given that we have a proper API (RESTCONF), we should leverage that   when testing.  Front-ends can be tested by other means.</p> </li> </ul>"},{"location":"test-arch/#overview","title":"Overview","text":"<p>The test system is made up of several independent components, which are typically used in concert to run a full test suite.</p>"},{"location":"test-arch/#test-cases","title":"Test Cases","text":"<p>A test case is an executable, receiving the physical topology as a positional argument, which produces TAP compliant output on its <code>stdout</code>. I.e., it is executed in the following manner:</p> <pre><code>test-case [OPTS] &lt;physical-topology&gt;\n</code></pre> <p>Test cases are typically written in Python, using the Infamy library.  Ultimately though, it can be implemented in any language, as long as it matches the calling convention above.</p>"},{"location":"test-arch/#infamy","title":"Infamy","text":"<p>Rather than having each test case come up with its own implementation of how to map topologies, how to push NETCONF data to a device, etc., we provide a library of functions to take care of all that, dubbed \"Infamy\".  When adding a new test case, ask yourself if any parts of it might belong in Infamy as a generalized component that can be reused by other tests.</p> <p>Some of the core functions provided by Infamy are:</p> <ul> <li>Mapping a logical topology to a physical one</li> <li>Finding and attaching to a device over an Ethernet interface, using   NETCONF</li> <li>Pushing/pulling NETCONF data to/from a device</li> <li>Generating TAP compliant output</li> </ul>"},{"location":"test-arch/#9pm","title":"9PM","text":"<p>To run multiple tests, we employ 9PM. It let's us define test suites as simple YAML files. Suites can also be hierarchically structured, with a suite being made up of other suites, etc.</p> <p>It also validates the TAP output, making sure to catch early exits from a case, and produces a nice summary report.</p>"},{"location":"test-arch/#testenv","title":"<code>/test/env</code>","text":"<p>A good way to ensure that nobody ever runs the test suite is to make it really hard to do so.  <code>/test/env</code>'s job is instead to make it very easy to create a reproducible environment in which tests can be executed.</p> <p>Several technologies are leveraged to accomplish this:</p> <ul> <li> <p>Containers: The entire execution is optionally done inside a   standardized <code>docker</code> container environment.  This ensures that the   software needed to run the test suite is always available, no matter   which distribution the user is running on their machine.</p> </li> <li> <p>Python Virtual Environments: To make sure that the expected   versions of all Python packages are available, the execution is   wrapped inside a <code>venv</code>.  This is true for containerized executions,   where the container comes with a pre-installed environment, but it   can also be sourced from the host system when running outside of the   container.</p> </li> <li> <p>Virtual Test Topology: Using Qeneth, the environment can   optionally be started with a virtual topology of DUTs to run the   tests on.</p> </li> </ul> <p><code>docker</code> is the only supported container environment when running tests in the host's network namespace. When running on a virtual Qeneth topology, <code>podman</code> may also be used by installing the <code>podman-docker</code> package from your host system's distro.</p>"},{"location":"test-arch/#physical-and-logical-topologies","title":"Physical and Logical Topologies","text":"<p>Imagine that we want to create a test with three DUTs; one acting as a DHCP server, and the other two as DHCP clients - with all three having a management connection to the host PC running the test.  In other words, the test requires a logical topology like the one below.</p> <p></p> <pre><code>graph \"dhcp-client-server\" {\n    host [\n        label=\"host | { &lt;c1&gt; c1 | &lt;srv&gt; srv | &lt;c2&gt; c2 }\",\n        kind=\"controller\",\n    ];\n\n    server [\n        label=\"{ &lt;mgmt&gt; mgmt } | server | { &lt;c1&gt; c1 | &lt;c2&gt; c2 }\",\n        kind=\"infix\",\n    ];\n    client1 [\n        label=\"{ &lt;mgmt&gt; mgmt } | client1 | { &lt;srv&gt; srv }\",\n        kind=\"infix\",\n    ];\n    client2 [\n        label=\"{ &lt;mgmt&gt; mgmt } | client2 | { &lt;srv&gt; srv }\",\n        kind=\"infix\",\n    ];\n\n    host:srv -- server:mgmt\n    host:c1  -- client1:mgmt\n    host:c2  -- client2:mgmt\n\n    server:c1 -- client1:srv;\n    server:c2 -- client2:srv;\n}\n</code></pre> <p>When running in a virtualized environment, one could simply create a setup that matches the test's logical topology.  But in scenarios when devices are physical systems, connected by real copper cables, this is not possible (unless you have some wicked L1 relay matrix thingy).</p> <p>Instead, the test implementation does not concern itself with the exact nodes used to run the test, only that the logical topology can be mapped to some subset of the physical topology.  In mathematical terms, the physical topology must contain a subgraph that is isomorphic to the logical topology.</p> <p>Standing on the shoulders of giants (i.e. people with mathematics degrees), we can deploy well-known algorithms to find such subgraphs. Continuing our example, let's say we want to run our DHCP test on the physical topology below.</p> <p></p> <pre><code>graph \"quad-ring\" {\n    host [\n        label=\"host | { &lt;d1a&gt; d1a | &lt;d1b&gt; d1b | &lt;d1c&gt; d1c | &lt;d2a&gt; d2a | &lt;d2b&gt; d2b | &lt;d2c&gt; d2c | &lt;d3a&gt; d3a | &lt;d3b&gt; d3b | &lt;d3c&gt; d3c | &lt;d4a&gt; d4a | &lt;d4b&gt; d4b | &lt;d4c&gt; d4c }\",\n        kind=\"controller\",\n    ];\n\n    dut1 [\n        label=\"{ &lt;e1&gt; e1 | &lt;e2&gt; e2 | &lt;e3&gt; e3 } | dut1 | { &lt;e4&gt; e4 | &lt;e5&gt; e5 }\",\n        kind=\"infix\",\n    ];\n    dut2 [\n        label=\"{ &lt;e1&gt; e1 | &lt;e2&gt; e2 | &lt;e3&gt; e3 } | dut2 | { &lt;e4&gt; e4 | &lt;e5&gt; e5 }\",\n        kind=\"infix\",\n    ];\n    dut3 [\n        label=\"{ &lt;e1&gt; e1 | &lt;e2&gt; e2 | &lt;e3&gt; e3 } | dut3 | { &lt;e4&gt; e4 | &lt;e5&gt; e5 }\",\n        kind=\"infix\",\n    ];\n    dut4 [\n        label=\"{ &lt;e1&gt; e1 | &lt;e2&gt; e2 | &lt;e3&gt; e3 } | dut4 | { &lt;e4&gt; e4 | &lt;e5&gt; e5 }\",\n        kind=\"infix\",\n    ];\n\n    host:d1a -- dut1:e1\n    host:d1b -- dut1:e2\n    host:d1c -- dut1:e3\n\n    host:d2a -- dut2:e1\n    host:d2b -- dut2:e2\n    host:d2c -- dut2:e3\n\n    host:d3a -- dut3:e1\n    host:d3b -- dut3:e2\n    host:d3c -- dut3:e3\n\n    host:d4a -- dut4:e1\n    host:d4b -- dut4:e2\n    host:d4c -- dut4:e3\n\n    dut1:e5 -- dut2:e4\n    dut2:e5 -- dut3:e4\n    dut3:e5 -- dut4:e4\n    dut4:e5 -- dut1:e4\n}\n</code></pre> <p>Our test (in fact, all tests) receives the physical topology as an input parameter, and then maps the desired logical topology onto it, producing a mapping from logical nodes and ports to their physical counterparts.</p> <pre><code>{\n  \"client1\": \"dut1\",\n  \"client1:mgmt\": \"dut1:e1\",\n  \"client1:srv\": \"dut1:e4\",\n  \"client2\": \"dut3\",\n  \"client2:mgmt\": \"dut3:e2\",\n  \"client2:srv\": \"dut3:e5\",\n  \"host\": \"host\",\n  \"host:c1\": \"host:d1a\",\n  \"host:c2\": \"host:d3b\",\n  \"host:srv\": \"host:d4c\",\n  \"server\": \"dut4\",\n  \"server:c1\": \"dut4:e5\",\n  \"server:c2\": \"dut4:e4\",\n  \"server:mgmt\": \"dut4:e3\"\n}\n</code></pre> <p>With this information, the test knows that, in this particular environment, the server should be managed via the port called <code>d4c</code> on the node called <code>host</code>; that the port connected to the server on <code>client1</code> is <code>e4</code> on <code>dut1</code>, etc.  Thereby separating the implementation of the test from any specific physical setup.</p> <p>Testcases are not required to use a logical topology; they may choose to accept whatever physical topology its given, and dynamically determine the DUTs to use for testing.  As an example, an STP test could accept an arbitrary physical topology, run the STP algorithm on it offline, enable STP on all DUTs, and then verify that the resulting spanning tree matches the expected one.</p>"},{"location":"test-arch/#integration-to-infix","title":"Integration to Infix","text":"<p>When the test environment is started with Qeneth, it doesn't use the  base image directly. Instead, it creates a copy and inserts a <code>test-mode</code> flag into it. During the bootstrap phase, the system checks for the  presence of the test-mode flag (file).</p> <p>If the flag exists, a 'test-config.cfg' file is generated. In the  following step, the system loads the 'test-config' instead of the standard <code>startup-config</code> (or <code>factory-config</code>). This configuration is simple and safe, equivalent to the one used in 'Secure Mode'  (also known as 'failure-config').</p> <p>Additionally, the configuration enables extra RPCs related to system  restart and configuration overrides, allowing tests to be run even on  systems where the factory configuration may potentially create L2 loops. </p>"},{"location":"testing/","title":"Regression Testing","text":""},{"location":"testing/#regression-testing-with-infamy","title":"Regression Testing with Infamy","text":"<p>Infix comes with a test suite that is intended to provide end-to-end verification of supported features.  Generally speaking, this means that one or more DUTs are configured over NETCONF or RESTCONF; the resulting network is then black-box tested by injecting and inspecting network traffic at various points.</p> <p>This document is intended to be a practical guide on how to run, develop and debug tests.  There is a separate document describing the Test System Architecture.</p>"},{"location":"testing/#modes-of-testing","title":"Modes of Testing","text":""},{"location":"testing/#virtual-devices","title":"Virtual Devices","text":"<p>By default, tests are run on a topology made up of virtual Infix nodes using Qeneth. To run the full regression test suite: build Infix for <code>x86_64</code>:</p> <pre><code>$ make x86_64_defconfig\n...\n$ make\n...\n$ make test\n...\n</code></pre>"},{"location":"testing/#physical-devices","title":"Physical Devices","text":"<p>To run the tests on a preexisting topology from the host's network namespace, specify the <code>host</code> <code>TEST_MODE</code>:</p> <pre><code>$ make TEST_MODE=host test\n...\n</code></pre> <p>This typically used when testing on physical hardware. By default the topology will be sourced from <code>/etc/infamy.dot</code>, but this can be overwritten by setting the <code>TOPOLOGY</code> variable:</p> <pre><code>$ make TEST_MODE=host TOPOLOGY=~/my-topology.dot test\n...\n</code></pre>"},{"location":"testing/#make-run-devices","title":"<code>make run</code> Devices","text":"<p>Some tests only require a single DUT.  These can therefore be run against an Infix image started from <code>make run</code>. This requires that the instance is configured to use TAP networking.</p> <p>When the instance is running, you can open a separate terminal and run the subset of the test suite that can be mapped to it:</p> <pre><code>$ make TEST_MODE=run test\n...\n</code></pre>"},{"location":"testing/#interactive-usage","title":"Interactive Usage","text":"<p>When developing and debugging tests, the overhead of repeatedly setting up and tearing down the test environment can quickly start to weigh you down. In these situation, you can start an interactive test environment:</p> <pre><code>$ make test-sh\nInfo: Generating topology\nInfo: Generating node YAML\nInfo: Generating executables\nInfo: Launching dut1\nInfo: Launching dut2\nInfo: Launching dut3\nInfo: Launching dut4\n11:42:52 infamy0:test #\n</code></pre> <p>The example above uses the default mode (<code>qeneth</code>), but the <code>host</code> and <code>run</code> modes also support the <code>test-sh</code> target.</p> <p>It takes a little while to start up, but then we have a shell prompt inside the container running Infamy.  It's a very limited environment, but it has enough to easily run single tests, connect to the virtual devices, and step your code.</p>"},{"location":"testing/#running-subsets-of-tests","title":"Running Subsets of Tests","text":"<p>Each test case is a separate executable, which can be run without arguments:</p> <pre><code>11:42:53 infamy0:test # ./case/infix_dhcp/dhcp_basic.py\n</code></pre> <p>To run a suite of tests, e.g., only the DHCP client tests, pass the suite as an argument to 9PM:</p> <pre><code>11:42:53 infamy0:test # ./9pm/9pm.py case/infix_dhcp/infix_dhcp.yaml\n</code></pre> <p>To run the suite of all tests:</p> <pre><code>11:42:53 infamy0:test # ./9pm/9pm.py case/all.yaml\n</code></pre>"},{"location":"testing/#connecting-to-infamy","title":"Connecting to Infamy","text":"<p>The test system runs in a Docker container, so to get a shell prompt in another terminal you need to connect to that container.  Infamy comes with a helper script for this:</p> <pre><code>$ ./test/shell\n11:42:53 infamy0:test #\n</code></pre> <p>By default it connect to the latest started Infamy instance.  If you for some reason run multiple instances of Infamy the <code>shell</code> script takes an optional argument \"system\", which is the hostname of the container you want to connect to:</p> <pre><code>$ ./test/shell infamy2\n11:42:53 infamy2:test #\n</code></pre>"},{"location":"testing/#connecting-to-a-dut","title":"Connecting to a DUT","text":"<p>Tip</p> <p>The <code>console</code> script uses <code>telnet</code> to connect to a port forwarded to <code>localhost</code> by the Docker container.  To exit Telnet, use Ctrl-] and then 'q' followed by enter.  This can be customized in <code>~/.telnetrc</code></p> <p>All DUTs in a virtual Infamy topology are emulated in Qemu instances managed by qeneth.  If you want to watch what's happening on one of the target systems, e.g., tail a log file or run <code>tcpdump</code> during the test, there is another helper script in Infamy for this:</p> <pre><code>$ ./test/console 1\nTrying 127.0.0.1...\nConnected to 127.0.0.1.\n\nInfix OS \u2014 Immutable.Friendly.Secure v23.11.0-226-g0c144da (console)\ninfix-00-00-00 login: admin\nPassword:\n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-'\n\nRun the command 'cli' for interactive OAM\n\nadmin@infix-00-00-00:~$\n</code></pre> <p>From here we can observe <code>dut1</code> freely while running tests.</p> <p>Like the <code>shell</code> script, <code>console</code> takes an optional \"system\" argument in case you run multiple instances of Infamy:</p> <pre><code>$ ./test/console 1 infamy2\n...\n</code></pre> <p>You can also connect to the console of a DUT from within a <code>shell</code>:</p> <pre><code>$ ./test/shell\n11:42:54 infamy0:test # qeneth status\n11:42:54 infamy0:test # qeneth console dut1\nlogin: admin\npassword: *****\nadmin@infix-00-00-00:~$\n</code></pre> <p>Tip</p> <p>Disconnect from the qeneth console by bringing up the old Telnet \"menu\" using Ctrl-], compared to standard Telnet this is the BusyBox version so you press 'e' + enter instead of 'q' to quit.</p>"},{"location":"testing/#attaching-to-macvlans","title":"Attaching to MACVLANs","text":"<p>To fully isolate the host's interfaces from one another, many tests will stack a MACVLAN on an interface, which is then placed in a separate network namespace.</p> <p>It is often useful to attach to those namespaces, so that you can interactively inject traffic into the test setup.</p> <p>First, connect to the Infamy instance in question:</p> <pre><code>$ ./test/shell\n11:43:19 infamy0:test #\n</code></pre> <p>Then, attach to the MACVLAN namespace by running the <code>nsenter</code> helper script from the test directory, supplying the base interface name as the first argument:</p> <pre><code>11:43:19 infamy0:test # ./nsenter d1b\n11:43:20 infamy0(d1b):test #\n</code></pre> <p>By default, an interactive shell is started, but you can also supply another command:</p> <pre><code>11:43:19 infamy0:test # ./nsenter d1b ip -br addr\nlo               UNKNOWN        127.0.0.1/8 ::1/128\niface@if7        UP             10.0.0.1/24 fe80::38d0:88ff:fe77:b7cd/64\n</code></pre> <p>You can now freely debug the network activity of your test and the responses from the DUT.</p>"},{"location":"testing/#using-the-python-debugger","title":"Using the Python Debugger","text":"<p>The built in <code>breakpoint()</code> function in Python is very useful when you want to run a test case to a certain point at which you might want to interactively inspect either the test's or the device's state.</p> <p>Simply insert a call to <code>breakpoint()</code> at the point of interest in your test and run it as normal. Once Python executes the call, it will drop you into the Python debugger:</p> <pre><code>11:42:58 infamy0:test # ./case/infix_dhcp/dhcp_basic.py\n# Starting (2024-02-10 11:42:59)\n# Probing dut1 on port d1a for IPv6LL mgmt address ...\n# Connecting to mgmt IP fe80::ff:fe00:0%d1a:830 ...\nok 1 - Initialize\n&gt; /home/jocke/src/infix/test/case/infix_dhcp/dhcp_basic.py(44)&lt;module&gt;()\n(Pdb)\n</code></pre> <p>At this point you have full access to the test's state, but it is also an opportunity to inspect the state of the DUTs (e.g. via their console or over SSH).</p> <p>It is also possible to run a test under Pdb from the get-go, if you want to setup breakpoints without modifying the source, or simply step through the code:</p> <pre><code>11:42:58 infamy0:test # python -m pdb case/infix_dhcp/dhcp_basic.py\n</code></pre>"},{"location":"testing/#deterministic-topology-mappings","title":"Deterministic Topology Mappings","text":"<p>By default, mappings from logical to physical topologies are not stable across test case executions. This can be very frustrating when debugging a failing test, since logical nodes are suffled around between phyical nodes. In such cases, supplying a <code>PYTHONHASHSEED</code> variable (set to any 32-bit unsigned integer) when launching the test environment will make sure that topology mappings are deterministic:</p> <pre><code>$ make PYTHONHASHSEED=0 test-sh\n</code></pre> <p>If a seed is not supplied, a random value is chosen. This seed is logged by the <code>meta/reproducible.py</code> test case when running a test suite:</p> <pre><code>$ make test\nInfo: Generating topology\nInfo: Generating node YAML\nInfo: Generating executables\nInfo: Launching dut1\nInfo: Launching dut2\nInfo: Launching dut3\nInfo: Launching dut4\n9PM - Simplicity is the ultimate sophistication\n\nStarting test 0002-reproducible.py\n2024-05-03 10:40:30 # Starting (2024-05-03 10:40:30)\n2024-05-03 10:40:30 # Specify PYTHONHASHSEED=3773822171 to reproduce this test environment\n2024-05-03 10:40:30 ok 1 - $PYTHONHASHSEED is set\n2024-05-03 10:40:30 # Exiting (2024-05-03 10:40:30)\n2024-05-03 10:40:30 1..1\n...\n</code></pre> <p>This is useful because this value can then be used to rerun a test (or the whole suite) with identical topology mappings:</p> <pre><code>$ make PYTHONHASHSEED=3773822171 TESTS=case/ietf_system/hostname.py test\n</code></pre>"},{"location":"testing/#deterministic-transport-protocol","title":"Deterministic Transport Protocol","text":"<p>By default, the communication transport protocol (NETCONF/RESTCONF) is chosen randomly.  If you supply a <code>PYTHONHASHSEED</code> as described above, you get the same protocol used for that hash.  But if you want to choose the protocol, add extra arguments to Infamy:</p> <pre><code>$ make INFAMY_EXTRA_ARGS=\"--transport=restconf\" TESTS=case/ietf_system/hostname.py test\n</code></pre> <p>or, when running interactively:</p> <pre><code>$ make test-sh\n09:08:17 infamy0:test # ./9pm/9pm.py -o\"--transport=restconf\" case/ietf_system/hostname.py\n</code></pre>"},{"location":"testing/#test-specification","title":"Test specification","text":"<p>The test specification is automaticly generated from the test cases, this puts some constraints on the test cases:</p> <p>All test cases must be written so that it can be understandable with only the steps so the result can be reproduced manually.  E.g., instead of <code>set ip address on the interface</code> it should be more human readable, for example:</p> <pre><code>test.step(\"Set IPv4 address on the interface dut:cross\")\ntest.step(\"Verify the IP address is set on dut:cross\")\n</code></pre> <p>where dut, cross and the IPv4 address could be found inside the logical topology for the test.</p> <p>Each test case must begin with the test name followed by a empty line and the description of the test. For example:</p> <pre><code>\"\"\"\nSet hostname\n\nVerify that it it possible to change hostname\n\"\"\"\n</code></pre> <p>The test specifaction can be genererated with:</p> <pre><code>$ make test-spec\n...\n</code></pre>"},{"location":"testing/#test-development","title":"Test Development","text":"<p>For adding a new test to the automated regression test suite, it's best to start by reviewing an existing test case.</p> <p>All tests are located in the <code>infix/test/case</code> repository and are grouped by the features they verify. For example, <code>infix/test/case/infix_services</code> contains tests for various Infix services, such as LLDP and mDNS.</p> <p>While test grouping is flexible, each test should be placed in a logically relevant category.</p> <p>When creating a new test group, add it to <code>infix/test/case/all.yaml</code>, to enable it to run as a subset of the test suite:</p> <pre><code>- name:  infix-services\n  suite: infix_services/infix_services.yaml\n</code></pre> <p>A new test (e.g., lldp_enable_disable) should be added to the corresponding test group .yaml file, such as <code>infix/test/cases/infix_services.yaml</code>:</p> <pre><code>- name: lldp_enable_disable\n  case: lldp_enable_disable/test.py\n</code></pre> <p>It is necessary to include the test in <code>infix/test/case/infix_services/Readme.adoc</code> to ensure proper test specification generation:</p> <pre><code>include::lldp_enable_disable/Readme.adoc[]\n</code></pre> <p>Each test case should have its own directory under, <code>infix/test/case/infix_services</code>, containing:</p> <ul> <li><code>test.py</code> - the test script</li> <li><code>topology.dot</code> - the logical topology definition.</li> </ul> <p>When the test specification is generated, <code>topology.svg</code> and <code>Readme.adoc</code> should also be created.</p>"},{"location":"tunnels/","title":"Tunneling (L2/L3)","text":""},{"location":"tunnels/#tunnel-configuration","title":"Tunnel Configuration","text":"<p>Infix supports multiple tunnel encapsulation protocols for connecting remote networks or devices across an IP backbone.  Tunnels encapsulate packets within IP datagrams, allowing traffic to traverse intermediate networks transparently.</p> <p>Important</p> <p>When issuing <code>leave</code> to activate your changes, remember to also save your settings, <code>copy running-config startup-config</code>.  See the CLI Introduction for a background.</p>"},{"location":"tunnels/#generic-routing-encapsulation-gre","title":"Generic Routing Encapsulation (GRE)","text":"<p>GRE tunnels provide a simple and efficient method to encapsulate various network layer protocols over IP networks.  Infix supports both IPv4 and IPv6 tunnels in two modes:</p> <ul> <li>GRE (Layer 3): Point-to-point IP tunnel for routing protocols and   routed traffic</li> <li>GRETAP (Layer 2): Ethernet tunnel for bridging Layer 2 networks</li> </ul> <p>Tip</p> <p>If you name your tunnel interface <code>greN</code> or <code>gretapN</code>, where <code>N</code> is a number, the CLI infers the interface type automatically.</p>"},{"location":"tunnels/#basic-gre-configuration","title":"Basic GRE Configuration","text":"<p>A basic GRE tunnel for routing between two sites:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface gre0\nadmin@example:/config/interface/gre0/&gt; set gre local 192.168.3.1 remote 192.168.3.2\nadmin@example:/config/interface/gre0/&gt; set ipv4 address 10.255.0.1 prefix-length 30\nadmin@example:/config/interface/gre0/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>This creates a Layer 3 tunnel between 192.168.3.1 and 192.168.3.2 using the outer IP addresses, with the tunnel itself using 10.255.0.0/30 for the inner IP addressing.</p>"},{"location":"tunnels/#gretap-configuration","title":"GRETAP Configuration","text":"<p>GRETAP tunnels operate at Layer 2, allowing bridging across the tunnel:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface gretap0\nadmin@example:/config/interface/gretap0/&gt; set type gretap\nadmin@example:/config/interface/gretap0/&gt; set gre local 192.168.3.1 remote 192.168.3.2\nadmin@example:/config/interface/gretap0/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>GRETAP interfaces can be added to a bridge, bridging local and remote Ethernet segments.  See the Bridge Configuration for more on bridges.</p>"},{"location":"tunnels/#ospf-over-gre","title":"OSPF over GRE","text":"<p>GRE tunnels are commonly used to carry dynamic routing protocols like OSPF across networks that don't support multicast or where you want to create a virtual topology different from the physical network.</p> <p>Example topology: Two sites connected via a GRE tunnel, running OSPF to exchange routes.</p> <p>Site A configuration:</p> <pre><code>admin@siteA:/&gt; configure\nadmin@siteA:/config/&gt; edit interface gre0\nadmin@siteA:/config/interface/gre0/&gt; set gre local 203.0.113.1 remote 203.0.113.2\nadmin@siteA:/config/interface/gre0/&gt; set ipv4 address 10.255.0.1 prefix-length 30\nadmin@siteA:/config/interface/gre0/&gt; set ipv4 forwarding\nadmin@siteA:/config/interface/gre0/&gt; end\nadmin@siteA:/config/&gt; edit routing control-plane-protocol ospfv2 name default ospf\nadmin@siteA:/config/routing/\u2026/ospf/&gt; set area 0.0.0.0 interface gre0\nadmin@siteA:/config/routing/\u2026/ospf/&gt; leave\nadmin@siteA:/&gt;\n</code></pre> <p>Site B configuration:</p> <pre><code>admin@siteB:/&gt; configure\nadmin@siteB:/config/&gt; edit interface gre0\nadmin@siteB:/config/interface/gre0/&gt; set gre local 203.0.113.2 remote 203.0.113.1\nadmin@siteB:/config/interface/gre0/&gt; set ipv4 address 10.255.0.2 prefix-length 30\nadmin@siteB:/config/interface/gre0/&gt; set ipv4 forwarding\nadmin@siteB:/config/interface/gre0/&gt; end\nadmin@siteB:/config/&gt; edit routing control-plane-protocol ospfv2 name default ospf\nadmin@siteB:/config/routing/\u2026/ospf/&gt; set area 0.0.0.0 interface gre0\nadmin@siteB:/config/routing/\u2026/ospf/&gt; leave\nadmin@siteB:/&gt;\n</code></pre> <p>Once configured, OSPF will establish a neighbor relationship through the tunnel and exchange routes between the sites.  For more on OSPF configuration, see Routing Configuration.</p> <p>Note</p> <p>Consider adjusting MTU on the tunnel interface to account for GRE overhead (typically 24 bytes for IPv4, 44 bytes for IPv6) to avoid fragmentation issues.</p>"},{"location":"tunnels/#advanced-tunnel-settings","title":"Advanced Tunnel Settings","text":"<p>All tunnel types support common parameters for controlling tunnel behavior and performance.</p>"},{"location":"tunnels/#time-to-live-ttl","title":"Time To Live (TTL)","text":"<p>The TTL setting controls the Time To Live value for the outer tunnel packets. By default, tunnels use a fixed TTL of 64, which allows packets to traverse multiple hops between tunnel endpoints.</p> <pre><code>admin@example:/config/&gt; edit interface gre0\nadmin@example:/config/interface/gre0/&gt; set gre ttl 255\nadmin@example:/config/interface/gre0/&gt; leave\n</code></pre> <p>Valid values are 1-255, or the special value <code>inherit</code> which copies the TTL from the encapsulated packet.</p> <p>Important</p> <p>The <code>inherit</code> mode can cause problems with routing protocols like OSPF that use TTL=1 for their packets.  For tunnels carrying routing protocols, always use a fixed TTL value (typically 64 or 255).</p>"},{"location":"tunnels/#type-of-service-tos","title":"Type of Service (ToS)","text":"<p>The ToS setting controls QoS marking for tunnel traffic:</p> <pre><code>admin@example:/config/&gt; edit interface gre0\nadmin@example:/config/interface/gre0/&gt; set gre tos 0x10\nadmin@example:/config/interface/gre0/&gt; leave\n</code></pre> <p>Valid values are 0-255 for fixed ToS/DSCP marking, or <code>inherit</code> (default) to copy the ToS value from the encapsulated packet.</p>"},{"location":"tunnels/#path-mtu-discovery-gre-only","title":"Path MTU Discovery (GRE only)","text":"<p>The <code>pmtu-discovery</code> setting can be used to control the Path MTU Discovery on GRE tunnels.  When enabled (default), the tunnel respects the Don't Fragment (DF) bit and performs PMTU discovery:</p> <pre><code>admin@example:/config/&gt; edit interface gre0\nadmin@example:/config/interface/gre0/&gt; set gre pmtudisc false\nadmin@example:/config/interface/gre0/&gt; leave\n</code></pre> <p>Disabling PMTU discovery may be necessary in networks with broken ICMP filtering but can lead to suboptimal performance and fragmentation.</p>"},{"location":"tunnels/#virtual-extensible-local-area-network-vxlan","title":"Virtual eXtensible Local Area Network (VXLAN)","text":"<p>VXLAN is a network virtualization technology that encapsulates Layer 2 Ethernet frames within Layer 4 UDP datagrams.  It uses a 24-bit segment ID, termed VXLAN Network Identifier (VNI), allowing up to 16 million isolated networks.</p> <p>Infix supports both IPv4 and IPv6 for VXLAN tunnel endpoints.</p>"},{"location":"tunnels/#basic-vxlan-configuration","title":"Basic VXLAN Configuration","text":"<p>Tip</p> <p>If you name your VXLAN interface <code>vxlanN</code>, where <code>N</code> is a number, the CLI infers the interface type automatically.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface vxlan100\nadmin@example:/config/interface/vxlan100/&gt; set vxlan local 192.168.3.1\nadmin@example:/config/interface/vxlan100/&gt; set vxlan remote 192.168.3.2\nadmin@example:/config/interface/vxlan100/&gt; set vxlan vni 100\nadmin@example:/config/interface/vxlan100/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>The VNI uniquely identifies the VXLAN segment and must match on both tunnel endpoints.</p>"},{"location":"tunnels/#vxlan-with-custom-udp-port","title":"VXLAN with Custom UDP Port","text":"<p>The default VXLAN UDP destination port is 4789 (IANA assigned).  In some cases you may need to use a different port:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface vxlan100\nadmin@example:/config/interface/vxlan100/&gt; set vxlan local 192.168.3.1\nadmin@example:/config/interface/vxlan100/&gt; set vxlan remote 192.168.3.2\nadmin@example:/config/interface/vxlan100/&gt; set vxlan vni 100\nadmin@example:/config/interface/vxlan100/&gt; set vxlan remote-port 8472\nadmin@example:/config/interface/vxlan100/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>The remote-port setting allows interoperability with systems using non-standard VXLAN ports.</p> <p>Note</p> <p>VXLAN tunnels also support the <code>ttl</code> and <code>tos</code> settings described in the Advanced Tunnel Settings section above.</p>"},{"location":"upgrade/","title":"Upgrade","text":""},{"location":"upgrade/#upgrading-boot-order","title":"Upgrading &amp; Boot Order","text":"<p>For resilience purposes, Infix maintains two software images referred to as the primary and secondary partition image.  In addition, some bootloaders support netbooting.</p> <p>The boot order defines which image is tried first, and is listed with the CLI <code>show software</code> command. It also shows Infix version installed per partition, and which image was used when booting (<code>STATE booted</code>).</p> <pre><code>admin@example:/&gt; show software\nBOOT ORDER\nprimary secondary net\n\nNAME      STATE     VERSION                DATE\nprimary   booted    v25.01.0               2025-04-25T10:15:00+00:00\nsecondary inactive  v25.01.0               2025-04-25T10:07:20+00:00\nadmin@example:/&gt;\n</code></pre> <p>YANG support for upgrading Infix, inspecting and modifying the boot-order, is defined in infix-system-software.</p>"},{"location":"upgrade/#upgrading","title":"Upgrading","text":"<p>Upgrading Infix is done one partition at a time. If the system has booted from one partition, an <code>upgrade</code> will apply to the other (inactive) partition.</p> <ol> <li>Download and unpack the release to install. Make the image pkg    bundle available at some URL<sup>2</sup></li> <li>(Optional) Backup the startup configuration</li> <li>Assume the unit has booted the <code>primary</code> image. Then running the    <code>upgrade</code> command installs a new image on the <code>secondary</code> partition</li> <li>As part of a successful upgrade, the boot-order is implictly    changed to boot the newly installed image</li> <li>Reboot the unit</li> <li>The unit now runs the new image. To upgrade the remaining partition    (<code>primary</code>), run the same upgrade command again, and (optionally)    reboot to verify the upgrade</li> </ol> <p>Caution</p> <p>During boot (step 5), the unit may migrate the startup configuration for any syntax changes.  It is therefore important that you make sure to upgrade the other partition as well after reboot, of course after having verified your setup.</p> <p>The CLI example below shows steps 2-5.</p> <p>Backup startup configuration: It is recommended to backup the startup configuration before performing an upgrade. The backup is useful if the upgrade fails, and makes a later downgrade a smoother process.</p> <pre><code>admin@example:/&gt; dir /cfg\n/cfg directory\nbackup/             ssl/                startup-config.cfg\n\nadmin@example:/&gt; copy /cfg/startup-config.cfg /cfg/v25.01.0-startup-config.cfg\nadmin@example:/&gt; dir /cfg\n/cfg directory\nbackup/             ssl/                startup-config.cfg           v25.01.0-startup-config.cfg\n\nadmin@example:/&gt; \n</code></pre> <p>Upgrade: Here the image pkg bundle was made available via TFTP.</p> <pre><code>admin@example:/&gt; upgrade tftp://198.18.117.1/infix-aarch64-25.03.1.pkg\ninstalling\n  0% Installing\n  0% Determining slot states\n 10% Determining slot states done.\n...\n 98% Copying image to rootfs.1\n 99% Copying image to rootfs.1\n 99% Copying image to rootfs.1 done.\n 99% Updating slots done.\n100% Installing done.\nInstalling `tftp://198.18.117.1/infix-aarch64-25.03.1.pkg` succeeded\nadmin@example:/&gt;\n</code></pre> <p>Reboot: The unit will boot on the other partition, with the newly installed image. The <code>Loading startup-config</code> step conducts migration of startup configuration if applicable.</p> <pre><code>admin@example:/&gt; reboot\n[ OK ] Stopping Static routing daemon\n[ OK ] Stopping Zebra routing daemon\n...\n[ OK ] Loading startup-config\n[ OK ] Verifying self-signed https certificate\n[ OK ] Update DNS configuration\n[ OK ] Starting Status daemon\n\nInfix OS \u2014 Immutable.Friendly.Secure v25.03.1 (ttyS0)\nexample login: admin\nPassword:\n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-'\n\nRun the command 'cli' for interactive OAM\n\nadmin@example:~$ cli\n\nSee the 'help' command for an introduction to the system\n\nadmin@example:/&gt; show software\nBOOT ORDER\nsecondary primary net\n\nNAME      STATE     VERSION                DATE\nprimary   inactive  v25.01.0               2025-04-25T10:15:00+00:00\nsecondary booted    v25.03.1               2025-04-25T10:24:31+00:00\nadmin@example:/&gt;\n</code></pre> <p>As shown, the boot order has been updated, so that secondary is now the preferred boot source.</p> <p>To upgrade the remaining partition (<code>primary</code>), run the <code>upgrade URL</code> command again, and (optionally) reboot.</p>"},{"location":"upgrade/#configuration-migration","title":"Configuration Migration","text":"<p>The example above illustrated an upgrade from Infix v25.01.0 to v25.03.1. Inbetween these versions, YANG configuration definitions changed slightly (more details given below).</p> <p>During boot, Infix inspects the <code>version</code> meta information within the startup configuration file to determine if configuration migration is needed. In this specific case, the configuration file has version <code>1.4</code> while the booted software expects version <code>1.5</code> (the configuration version numbering differs from the Infix image version numbering).  The startup configuration is migrated to <code>1.5</code> definitions and stored, while a backup previous startup configuration is stored in directory <code>/cfg/backup/</code>.</p> <pre><code>admin@example:/&gt; dir /cfg/backup/\n/cfg/backup/ directory\nstartup-config-1.4.cfg\n\nadmin@example:/&gt;\n</code></pre> <p>The modifications made to the startup configuration can be viewed by comparing the files from the shell. An example is shown below.</p> <pre><code>admin@example:/&gt; exit\nadmin@example:~$ diff /cfg/backup/startup-config-1.4.cfg /cfg/startup-config.cfg\n--- /cfg/backup/startup-config-1.4.cfg\n+++ /cfg/startup-config.cfg\n...\n-          \"public-key-format\": \"ietf-crypto-types:ssh-public-key-format\",\n+          \"public-key-format\": \"infix-crypto-types:ssh-public-key-format\",\n...\n-          \"private-key-format\": \"ietf-crypto-types:rsa-private-key-format\",\n+          \"private-key-format\": \"infix-crypto-types:rsa-private-key-format\",\n...\n-    \"version\": \"1.4\"\n+    \"version\": \"1.5\"\n...\nadmin@example:~$\n</code></pre>"},{"location":"upgrade/#downgrading","title":"Downgrading","text":"<p>Downgrading to an earlier version is possible, however, downgrading is not guaranteed to work smoothly.  In particular, when the unit boots up with the downgraded version, it may fail to apply the startup config, and instead apply its failure config.</p> <p>We consider two cases: downgrading with and without applying a backup startup configuration before rebooting.</p> <p>In both cases we start out with a unit running Infix v25.03.1, and wish to downgrade to v25.01.0.</p> <pre><code>admin@example:/&gt; show software\nBOOT ORDER\nprimary secondary net\n\nNAME      STATE     VERSION                DATE\nprimary   booted    v25.03.1               2025-04-25T11:36:26+00:00\nsecondary inactive  v25.03.1               2025-04-25T10:24:31+00:00\nadmin@example:/&gt;\n</code></pre>"},{"location":"upgrade/#with-backup-startup-config","title":"With Backup <code>startup-config</code>","text":"<p>This is the recommended approach to downgrade, given that you have a backup configuration available.  The objective is to avoid ending up with the unit in failure config.</p> <ol> <li>Find the backup configuration file</li> <li>Run <code>upgrade URL</code> to install Infix image to downgrade to</li> <li>Copy backup startup configuration to current startup configuration    (from shell)</li> <li>Reboot</li> </ol> <p>Find the backup configuration file:</p> <p>Assume you have a backup startup config for the Infix version to downgrade to (here Infix v25.01.0, config <code>version 1.4</code>).</p> <p>The preferred approach is to use a startup configuration backed up when running Infix v25.01.0 on the unit.  See section Upgrading above for more information.  In the following example, there is a backup file available named <code>v25.01.0-startup-config.cfg</code>:</p> <pre><code>admin@example:/&gt; dir /cfg\n/cfg directory\nbackup/       ssl/       startup-config.cfg    v25.01.0-startup-config.cfg\n\nadmin@example:/&gt; \n</code></pre> <p>The alternative is to use a startup config implicitly backed up by the system as part of Configuration Migration.</p> <pre><code>admin@example:/&gt; dir /cfg/backup/\n/cfg/backup/ directory\nstartup-config-1.4.cfg\n\nadmin@example:/&gt;\n</code></pre> <p>Caution</p> <p>Using a backup configuration file stored when the unit was running the old version (e.g., v25.01.0-startup-config.cfg) is preferred.  Although backup files stored due to configuration migration (e.g., <code>startup-config-1.4.cfg</code>) usually works too if the configuration file version (<code>1.4</code>) matches, there are situations when the system may fail to apply it as described below.</p> <p>The configuration file version (<code>1.4</code>) is only incremented when changes in YANG configuration syntax mandates it to handle upgrading. Say the next Infix version includes a new feature setting, it can still have version <code>1.4</code>, as upgrading to it would not need migration. If a user then enables the new feature setting, the new configuration will no longer be compatible with the previous Infix version. A downgrade after enabling new features risks ending up with the unit in failure config.</p> <p>Use <code>upgrade</code> command to downgrade:</p> <pre><code>admin@example:/&gt; upgrade tftp://198.18.117.1/infix-aarch64-25.01.0.pkg\ninstalling\n  0% Installing\n  0% Determining slot states\n 10% Determining slot states done.\n ...\n 99% Copying image to rootfs.1 done.\n 99% Updating slots done.\n100% Installing done.\nInstalling `tftp://198.18.117.1/infix-aarch64-25.01.0.pkg` succeeded\nadmin@example:/&gt;\n</code></pre> <p>Apply the backup configuration file:</p> <p>It is recommended to use a backup configuration file for the Infix version to downgrade to, if there is one available.</p> <pre><code>admin@example:/&gt; copy /cfg/v25.01.0-startup-config.cfg /cfg/startup-config.cfg\nOverwrite existing file /cfg/startup-config.cfg (y/N)? y\nadmin@example:/&gt;\n</code></pre> <p>An alternative is to use a backup file stored when the system conducted a configuration migration. See the caution note above.</p> <pre><code>admin@example:/&gt; copy /cfg/backup/startup-config-1.4.cfg /cfg/startup-config.cfg\nOverwrite existing file /cfg/startup-config.cfg (y/N)? y\nadmin@example:/&gt;\n</code></pre> <p>Reboot:</p> <p>The unit will come up with the applied backup configuration.</p> <pre><code>admin@example:/&gt; reboot\n[ OK ] Saving system clock to file\n[ OK ] Stopping Software update service\n[ OK ] Stopping Status daemon\n...\n[ OK ] Bootstrapping YANG datastore\n[ OK ] Starting Configuration daemon\n[ OK ] Loading startup-config\n[ OK ] Update DNS configuration\n[ OK ] Verifying self-signed https certificate\n[ OK ] Starting Status daemon\n\nInfix OS \u2014 Immutable.Friendly.Secure v25.01.0 (ttyS0)\nexample login:\n</code></pre> <p>Note</p> <p>If the unit despite these measures ends up in failure config, see the next section for more information on how to recover.</p>"},{"location":"upgrade/#without-a-backup-startup-config","title":"Without a Backup <code>startup-config</code>","text":"<p>This procedure assumes you have access to the unit's console port and its default login credentials<sup>1</sup>.</p> <ol> <li>Downgrade</li> <li>Reboot</li> <li>Login with unit's default credentials</li> <li>Conduct factory reset</li> <li>(Then go on configure the unit as you wish)</li> </ol> <p>Use <code>upgrade</code> command to downgrade:</p> <pre><code>admin@example:/&gt; upgrade tftp://198.18.117.1/infix-aarch64-25.01.0.pkg\ninstalling\n  0% Installing\n  0% Determining slot states\n 10% Determining slot states done.\n ...\n 99% Copying image to rootfs.1 done.\n 99% Updating slots done.\n100% Installing done.\nInstalling `tftp://198.18.117.1/infix-aarch64-25.01.0.pkg` succeeded\nadmin@example:/&gt;\n</code></pre> <p>Reboot:</p> <p>Conduct a reboot. During boot, the unit fails to apply the existing startup configuration (config version <code>1.5</code> while software expects version <code>1.4</code> or earlier), and instead applies its failure config. This is what is seen on the console when this situation occurs. Note that the login prompt displays <code>failed</code> as part of the hostname.</p> <pre><code>admin@example:/&gt; reboot\n[ OK ] Saving system clock to file\n[ OK ] Stopping Software update service\n[ OK ] Stopping Status daemon\n...\n[ OK ] Verifying SSH host keys\n[ OK ] Bootstrapping YANG datastore\n[ OK ] Starting Configuration daemon\n[FAIL] Loading startup-config\n[ OK ] Loading failure-config\n[ OK ] Verifying self-signed https certificate\n[ OK ] Starting Status daemon\n\nInfix OS \u2014 Immutable.Friendly.Secure v25.01.0 (ttyS0)\n\nERROR: Corrupt startup-config, system has reverted to default login credentials\nfailed-00-00-00 login:\n</code></pre> <p>To remedy a situation like this, you can login with the unit's default login credentials, preferrably via a console port. The unit's default credentials are typically printed on a sticker on the unit.</p> <pre><code>failed-00-00-00 login: admin\nPassword:\n\nRun the command 'cli' for interactive OAM\n\nadmin@failed-00-00-00:~$\n</code></pre> <p>When it is safe from a network operations perspective, you can conduct a factory reset and reboot. It is recommended to remove the unit from any production network before doing this, as a factory reset may enable undesired connectivity between the unit's ports.</p> <pre><code>admin@failed-00-00-00:~$ factory\nFactory reset device (y/N)? y\nfactory: scheduled factory reset on next boot.\nReboot now to perform reset, (y/N)? y\n[ OK ] Saving system time (UTC) to RTC\n[ OK ] Stopping mDNS alias advertiser\n...\n[ OK ] Starting Configuration daemon\n[ OK ] Loading startup-config\n[ OK ] Update DNS configuration\n[ OK ] Verifying self-signed https certificate\n[ OK ] Starting Status daemon\n[ OK ] Starting Status daemon\n\n\nPlease press Enter to activate this console.\n\nInfix OS \u2014 Immutable.Friendly.Secure v25.01.0 (ttyS0)\nexample login:\n</code></pre> <p>Continued configuration is done as with any unit after factory reset.</p> <ol> <li> <p>In failure config, Infix puts all Ethernet ports as individual interfaces. With direct access, one can connect with e.g., SSH, using link local IPv6 addresses. This as an alternative to connecting via a console port.\u00a0\u21a9</p> </li> <li> <p>Set up an FTP/TFTP/SFTP or HTTP/HTTPS server on the same LAN.\u00a0\u21a9</p> </li> </ol>"},{"location":"virtual/","title":"Virtual Environments","text":""},{"location":"virtual/#virtual-environments","title":"Virtual Environments","text":"<p>Infix primarily targets real hardware, deployment to the cloud is not a priority at the moment.  However, for development and testing purposes there is an <code>x86_64</code> build that runs in Qemu.</p> <p>These images also work with the Graphical Network Simulator (GNS3), which is a very user-friendly tool for playing around with simple to complex network setups, verifying interoperability between vendors, etc.</p>"},{"location":"virtual/#qemu","title":"QEMU","text":"<p>Tip</p> <p>Installation for Debian/Ubuntu based systems can be done by \"simply\": sudo apt install virt-manager -- dependencies ensure the relevant Qemu packages are pulled in as well.  This trick, installing virt-manager, helps set up Qemu networking on your system.</p> <p>A virtualized Infix x86_64 instance can easily be launched from a Linux system, with Qemu installed, by issuing:</p> <pre><code>$ ./qemu.sh\n...\n</code></pre> <p>from an unpacked release tarball.  From a built source tree of Infix the same functionality is bundled as:</p> <pre><code>$ make run\n...\n</code></pre> <p>To change settings, e.g. networking, make run-menuconfig, or from a pre-built Infix release tarball, using ./qemu.sh -c</p> <p>The Infix test suite is built around Qemu and Qeneth, see:</p> <ul> <li>Regression Testing with Infamy</li> <li>Infamy Docker Image</li> </ul>"},{"location":"virtual/#gns3","title":"GNS3","text":"<p>Download the latest build of the <code>x86_64</code>, or <code>aarch64</code> if your host machine is Arm.  Unpack the tarball in a dedicated directory and use \"Import Appliance\" to install the <code>.gns3a</code> file into GNS3.</p> <p>Infix is in the \"Router\" category, it comes with 10 interfaces available by default for use as switch ports or routing.</p>"},{"location":"vpd/","title":"Vital Product Data (VPD)","text":""},{"location":"vpd/#vital-product-data","title":"Vital Product Data","text":"<p>Infix can source Vital Product Data (VPD) from EEPROMs containing an ONIE TLV. The load bearing information from VPDs, used by Infix by default, is:</p> <ol> <li>Base (chassis) MAC address of the system</li> <li>Factory default admin password hash</li> </ol> <p>Additionally, every VPD is listed as a separate component in the ietf-hardware model, in which Infix exports all available attributes to the user. This is useful to read out exact hardware revisions of each board making up a system, figure out if a system belongs to a particular production batch, etc.</p>"},{"location":"vpd/#json-encoding","title":"JSON Encoding","text":"<p>To make EEPROM binary generation less cumbersome, Infix defines a JSON encoding of an ONIE TLV, and provides a tool, onieprom, to translate from one encoding to another. I.e. a JSON object can be translated to its binary equivalent, and vice versa.</p> <p>A mapping between TLV attribute IDs and JSON keys is defined, using the Linux kernel driver as a reference:</p> TLV ID Description Key Type <code>0x21</code> Product Name <code>\"product-name\"</code> String <code>0x22</code> Part Number <code>\"part-number\"</code> String <code>0x23</code> Serial Number <code>\"serial-number\"</code> String <code>0x24</code> MAC #1 Base <code>\"mac-address\"</code> String (\"c0:ff:ee:00:00:00\") <code>0x25</code> Manufacture Date <code>\"manufacture-date\"</code> String (\"MM/DD/YYYY HH:NN:SS\") <code>0x26</code> Device Version <code>\"device-version\"</code> Integer (u8) <code>0x27</code> Label Revision <code>\"label-revision\"</code> String <code>0x28</code> Platform Name <code>\"platform-name\"</code> String <code>0x29</code> ONIE Version <code>\"onie-version\"</code> String <code>0x2a</code> Num MACs <code>\"num-macs\"</code> Integer (u16) <code>0x2b</code> Manufacturer <code>\"manufacturer\"</code> String <code>0x2c</code> Country Code <code>\"country-code\"</code> String (ISO 3166-1 2-byte code) <code>0x2d</code> Vendor <code>\"vendor\"</code> String <code>0x2e</code> Diag Version <code>\"diag-version\"</code> String <code>0x2f</code> Service Tag <code>\"service-tag\"</code> String <code>0xfd</code> Vendor Extension <code>\"vendor-extension\"</code> List of extensions (see below) <p>The JSON encoding of a TLV is a single JSON object with an arbitrary subset of the attributes from the list above.</p> <p>Example: </p><pre><code>{\n    \"product-name\": \"Wacky Widget\",\n    \"serial-number\": \"#1\",\n    \"manufacture-date\": \"02/13/2024 11:29:52\"\n}\n</code></pre><p></p>"},{"location":"vpd/#vendor-extensions","title":"Vendor Extensions","text":"<p>As the specification explicitly mentions the option of supplying multiple vendor extensions, possibly multiple ones of the same type, the JSON chosen encoding is a list, where each element is itself a list of exactly two elements:</p> Element # Type 1 Integer (u32, IANA enterprise number) 2 String (UTF-8 encoded extension data) <p>The format of the extension data is defined by the entity indicated by the IANA enterprise number. Restricting extension data to UTF-8 encoded strings is a decision imposed by Infix; the ONIE specification allows for arbitrary binary data.</p> <p>Example:</p> <pre><code>{\n    ...\n    \"vendor-extension\": [\n        [ 12345, \"my extension data\" ]\n    ]\n}\n</code></pre>"},{"location":"vpd/#infix-specific-extensions","title":"Infix Specific Extensions","text":"<p>Kernelkit's IANA enterprise number is <code>61046</code>, under which any extensions required by Infix are stored. The only valid extension data that may be stored under this number is documented in this section. If other device specific data needs to be stored in a VPD, you must associate that with an enterprise number under our control.</p> <p>Every Kernelkit extension must be a valid JSON object containing an arbitrary subset of the following attributes:</p> Key Value Description <code>\"pwhash\"</code> String (output of <code>mkpasswd(1)</code>) Factory default password for <code>admin</code> <p>Since the extension is itself stored in a JSON document, it has to be appropriately quoted.</p> <p>Example:</p> <pre><code>{\n    ...\n    \"vendor-extension\": [\n        [ 61046, \"{\\\"pwhash\\\":\\\"$6$9rufAxdqCrxrwfQR$G0l9cTVlu/vOhxgo/uMKfRDOmZRd5XWF3vKr5da6qYoxuTJBS/Pl9K.5lrabWoWFFc.71yFMaSlZz0O8FtAtl.\\\"}\" ]\n    ]\n}\n</code></pre>"},{"location":"vpd/#creating-and-parsing-onie-eeprom-binaries","title":"Creating and Parsing ONIE EEPROM Binaries","text":"<pre><code>usage: onieprom [-h] [-e] [-d] [infile] [outfile]\n\npositional arguments:\n  infile\n  outfile\n\noptions:\n  -h, --help    show this help message and exit\n  -e, --encode  Encode JSON input to binary output\n  -d, --decode  Decode binary input to JSON output\n</code></pre> <p>To convert a compatible JSON document (using the first example above) to its binary equivalent, we ask onieprom to encode it for us:</p> <pre><code>~$ onieprom -e example.json &gt;example.bin\n~$ hexdump -C example.bin\n00000000  54 6c 76 49 6e 66 6f 00  01 00 2d 25 13 30 32 2f  |TlvInfo...-%.02/|\n00000010  31 33 2f 32 30 32 34 20  31 31 3a 32 39 3a 35 32  |13/2024 11:29:52|\n00000020  21 0c 57 61 63 6b 79 20  57 69 64 67 65 74 23 02  |!.Wacky Widget#.|\n00000030  23 31 fe 04 dd 69 88 97                           |#1...i..|\n00000038\n</code></pre> <p>We can also run the process in reverse, to inspect the contents of a binary in its equivalent JSON representation:</p> <pre><code>~$ onieprom -d example.bin &gt;example-again.json\n~$ jq . example-again.json\n{\n  \"manufacture-date\": \"02/13/2024 11:29:52\",\n  \"product-name\": \"Wacky Widget\",\n  \"serial-number\": \"#1\"\n}\n</code></pre>"},{"location":"wifi/","title":"Wireless LAN (WiFi)","text":""},{"location":"wifi/#wi-fi-wireless-lan","title":"Wi-Fi (Wireless LAN)","text":"<p>Infix includes built-in Wi-Fi client support for connecting to wireless networks. When a compatible Wi-Fi adapter is detected, the system automatically begins scanning for available networks.</p>"},{"location":"wifi/#current-limitations","title":"Current Limitations","text":"<ul> <li>Only client mode is supported (no access point functionality)</li> <li>USB hotplug is not supported - adapters must be present at boot</li> <li>Interface naming may be inconsistent with multiple USB Wi-Fi adapters</li> </ul>"},{"location":"wifi/#supported-wi-fi-adapters","title":"Supported Wi-Fi Adapters","text":"<p>Wi-Fi support is primarily tested with Realtek chipset-based adapters.</p>"},{"location":"wifi/#known-working-chipsets","title":"Known Working Chipsets","text":"<ul> <li>RTL8821CU</li> <li>Other Realtek chipsets may work but are not guaranteed</li> </ul> <p>Some Realtek chipsets require proprietary drivers not included in the standard kernel</p> <pre><code>     Firmware requirements vary by chipset\n     Check kernel logs if your adapter is not detected\n</code></pre>"},{"location":"wifi/#configuration","title":"Configuration","text":"<p>Add a supported Wi-Fi network device. To verify that it has been detected, look for <code>wifi0</code> in <code>show interfaces</code></p> <p></p><pre><code>admin@example:/&gt;  show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nlo              loopback   UP\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\ne1              ethernet   UP          02:00:00:00:00:01\n                ipv6                   fe80::ff:fe00:1/64 (link-layer)\n                ipv6                   fec0::ff:fe00:1/64 (link-layer)\nwifi0           ethernet   DOWN        f0:09:0d:36:5f:86\n                wifi                   ssid: ------, signal: ------\n</code></pre> Add the new Wi-Fi interface to the configuration to start scanning. <pre><code>admin@example:/config/&gt; set interface wifi0\nadmin@example:/config/&gt; leave\n</code></pre> Now the system will now start scanning in the background. To see the result read the operational datastore for interface <code>wifi0</code> or use the CLI<p></p> <pre><code>admin@infix-00-00-00:/&gt; show interfaces name wifi0\nname                : wifi0\ntype                : wifi\nindex               : 3\nmtu                 : 1500\noperational status  : down\nphysical address    : f0:09:0d:36:5f:86\nipv4 addresses      :\nipv6 addresses      :\nSSID                : ----\nSignal              : ----\n\nSSID                                    ENCRYPTION                    SIGNAL\nssid1                                   WPA2-Personal                 excellent\nssid2                                   WPA2-Personal                 excellent\nssid3                                   WPA2-Personal                 excellent\nssid4                                   WPA2-Personal                 good\nssid5                                   WPA2-Personal                 good\nssid6                                   WPA2-Personal                 good\n</code></pre> <p>In the CLI, signal strength is reported as: excellent, good, poor or bad. For precise values, use NETCONF or RESTCONF, where the RSSI (in dBm) is available in the operational datastore.</p> <p>Configure your Wi-Fi secret in the keystore, it should be between 8 and 63 characters</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit keystore symmetric-key example\nadmin@example:/config/keystore/\u2026/example/&gt; set key-format wifi-preshared-key-format\nadmin@example:/config/keystore/\u2026/example/&gt; set cleartext-key mysecret\nadmin@example:/config/keystore/\u2026/example/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Configure the Wi-Fi settings, set secret to the name selected above for the symmetric key, in this case <code>example</code>.</p> <p>WPA2 or WPA3 encryption will be automatically selected based on what the access point supports. No manual selection is required unless connecting to an open network. No support for certificate based authentication yet.</p> <p>Unencrypted network is also supported, to connect to an unencrypted network (generally not recommended): </p><pre><code>admin@example:/config/interface/wifi0/&gt; set wifi encryption disabled\n</code></pre><p></p> <p>A valid <code>country-code</code> is also required for regulatory compliance, the valid codes are documented in the YANG model <code>infix-wifi-country-codes</code></p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface wifi0\nadmin@example:/config/interface/wifi0/&gt;\nadmin@example:/config/interface/wifi0/&gt; set wifi ssid ssid1\nadmin@example:/config/interface/wifi0/&gt; set wifi secret example\nadmin@example:/config/interface/wifi0/&gt; set wifi country-code SE\nadmin@example:/config/interface/wifi0/&gt; leave\n</code></pre> <p>The Wi-Fi negotiation should now start immediately, provided that the SSID and pre-shared key are correct. You can verify the connection by running <code>show interfaces</code> again.</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nlo              loopback   UP\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\ne1              ethernet   UP          02:00:00:00:00:01\n                ipv6                   fe80::ff:fe00:1/64 (link-layer)\n                ipv6                   fec0::ff:fe00:1/64 (link-layer)\nwifi0           ethernet   UP          f0:09:0d:36:5f:86\n                wifi                   ssid: ssid1, signal: excellent\n\nadmin@example:/&gt;\n</code></pre>"},{"location":"wifi/#troubleshooting-connection-issues","title":"Troubleshooting Connection Issues","text":"<p>Use <code>show wifi scan wifi0</code> and <code>show interfaces</code> to verify signal strength and connection status. If issues arise, try the following troubleshooting steps:</p> <ol> <li>Verify signal strength: Check that the target network shows \"good\" or \"excellent\" signal</li> <li>Check credentials: Verify the preshared key in <code>ietf-keystore</code></li> <li>Review logs: Check system logs with <code>show log</code> for Wi-Fi related errors</li> <li>Regulatory compliance: Ensure the country-code matches your location</li> <li>Hardware detection: Confirm the adapter appears in <code>show interfaces</code></li> </ol> <p>If issues persist, check the system log for specific error messages that can help identify the root cause.</p>"},{"location":"cli/configure/","title":"Configuration","text":""},{"location":"cli/configure/#cli-configure-context","title":"CLI Configure Context","text":"<p>Enter the configure context from admin-exec by typing <code>configure</code> followed by Enter.  Available commands, press <code>?</code> at the prompt:</p> <pre><code>admin@host:/&gt; configure\nadmin@host:/config/&gt;\n  abort        Abandon candidate\n  change       Interactively change setting, e.g. password\n  check        Validate candidate\n  commit       Commit current candidate to running-config\n  delete       Delete configuration setting(s)\n  diff         Summarize uncommitted changes\n  do           Execute operational mode command\n  edit         Descend to the specified configuration node\n  end          Alias to up, leave this subsection/node\n  exit         Ascend to the parent configuration node, or abort (from top)\n  leave        Finalize candidate and apply to running-config\n  no           Alias for delete\n  rollback     Restore candidate to running-config\n  set          Set configuration setting\n  show         Show configuration\n  text-editor  Modify binary content in a text editor\n  top          Ascend to the configuration root\n  up           Ascend to the parent configuration node\n</code></pre> <p>The <code>edit</code> command lets you change to a sub-configure context, e.g.:</p> <pre><code>admin@host:/config/&gt; edit interface eth0\nadmin@host:/config/interface/eth0/&gt;\n</code></pre> <p>Use <code>up</code> to go up one level.</p> <pre><code>admin@host:/config/interface/eth0/&gt; up\nadmin@host:/config/&gt;\n</code></pre> <p>Note: commands in configure context are automatically generated from the system's YANG models, hence different products likely have a different set of commands.  However, both the <code>ietf-interfaces.yang</code> and <code>ietf-ip.yang</code> models, for instance, that provide the networking support are common to all systems.</p>"},{"location":"cli/configure/#set-ip-address-on-an-interface","title":"Set IP Address on an Interface","text":"<pre><code>admin@host:/config/&gt; edit interface eth0\nadmin@host:/config/interface/eth0/&gt;\nadmin@host:/config/interface/eth0/&gt; set ipv4 address 192.168.2.200 prefix-length 24\n</code></pre> <p>From anywhere in configure context you can see the changes you have made by typing <code>diff</code>:</p> <pre><code>admin@host:/config/interface/eth0/&gt; diff\ninterfaces {\n  interface eth0 {\n+    ipv4 {\n+      address 192.168.2.200 {\n+        prefix-length 24;\n+      }\n+    }\n  }\n}\n</code></pre>"},{"location":"cli/configure/#saving-changes","title":"Saving Changes","text":"<p>Apply the changes (from candidate to <code>running-config</code>):</p> <pre><code>admin@host:/config/interface/eth0/&gt; leave\nadmin@host:/&gt; show running-config\n...\ninterfaces {\n  interface eth0 {\n    type ethernetCsmacd;\n    ipv4 {\n      address 192.168.2.200 {\n        prefix-length 24;\n      }\n    }\n  }\n...\n</code></pre> <p>Since we did not get any warnings we can save the running (RAM only) configuration to startup, so the changes are made persistent across reboots:</p> <pre><code>admin@host:/&gt; copy running-config startup-config\n</code></pre> <p>The <code>startup-config</code> can also be inspected with the <code>show</code> command to verify the changes are saved.</p> <p>Note: all commands need to be spelled out, no short forms are allowed in the CLI.  Use the <code>TAB</code> key to make your life easier.</p>"},{"location":"cli/configure/#changing-hostname","title":"Changing Hostname","text":"<p>Settings like hostname are located in the <code>ietf-system.yang</code> model. Here is how it can be set.</p> <pre><code>admin@host:/config/&gt; edit system\nadmin@host:/config/system/&gt; set hostname example\nadmin@host:/config/system/&gt; leave\nadmin@example:/&gt; \n</code></pre> <p>Notice how the hostname in the prompt does not change until the change is committed.</p> <p>Note: critical services like syslog, mDNS, LLDP, and similar that advertise the hostname, are restarted when the hostname is changed.</p>"},{"location":"cli/configure/#changing-password","title":"Changing Password","text":"<p>User management, including passwords, is also a part of <code>ietf-system</code>.</p> <pre><code>admin@host:/config/&gt; edit system authentication user admin\nadmin@host:/config/system/authentication/user/admin/&gt; change password\nNew password: \nRetype password: \nadmin@host:/config/system/authentication/user/admin/&gt; leave\n</code></pre> <p>The <code>change password</code> command starts an interactive dialogue that asks for the new password, with a confirmation, and then salts and encrypts the password with sha512crypt. </p> <p>It is also possible to use the <code>set password ...</code> command.  This allows setting an already hashed password.  To manually hash a password, use the <code>do password encrypt</code> command.  This launches the admin-exec command to hash, and optionally salt, your password.  This encrypted string can then be used with <code>set password ...</code>.</p> <p>Tip: if you are having trouble thinking of a password, there is also <code>do password generate</code>, which generates random but readable strings using the UNIX command <code>pwgen</code>.</p>"},{"location":"cli/configure/#ssh-authorized-key","title":"SSH Authorized Key","text":"<p>Logging in remotely with SSH is possible by adding a public key to a user.  Here we add the authorized key to the admin user, multiple keys are supported.</p> <p>With SSH keys in place it is possible to disable password login, just remember to verify SSH login and network connectivity before doing so.</p> <pre><code>admin@host:/config/&gt; edit system authentication user admin \nadmin@host:/config/system/authentication/user/admin/&gt; edit authorized-key example@host\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; set algorithm ssh-rsa\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; set key-data 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\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; show\nalgorithm ssh-rsa;\nkey-data 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;\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; leave\n</code></pre> <p>Note: the <code>ssh-keygen</code> program already base64 encodes the public key data, so there is no need to use the <code>text-editor</code> command, <code>set</code> does the job.</p>"},{"location":"cli/configure/#creating-a-veth-pair","title":"Creating a VETH Pair","text":"<p>The following example creates a <code>veth0a &lt;--&gt; veth0b</code> virtual Ethernet pair which is useful for connecting, e.g., a container to the physical world.  Here we also add an IPv4 address to one end of the pair.</p> <pre><code>admin@host:/config/&gt; edit interface veth0a\nadmin@host:/config/interface/veth0a/&gt; set veth peer veth0b\nadmin@host:/config/interface/veth0a/&gt; set ipv4 address 192.168.0.1 prefix-length 24\nadmin@host:/config/interface/veth0a/&gt; up\nadmin@host:/config/&gt; diff\ninterfaces {\n+  interface veth0a {\n+    type veth;\n+    ipv4 {\n+      address 192.168.0.1 {\n+        prefix-length 24;\n+      }\n+    }\n+    veth {\n+      peer veth0b;\n+    }\n+  }\n+  interface veth0b {\n+    type veth;\n+    veth {\n+      peer veth0a;\n+    }\n+  }\n}\nadmin@host:/config/&gt; leave\n</code></pre> <p>See the bridging example below for more.</p> <p>Note: in the CLI you do not have to create the <code>veth0b</code> interface. The system infers this for you.  When setting up a VETH pair using NETCONF, however, you must include the <code>veth0b</code> interface.</p>"},{"location":"cli/configure/#creating-a-bridge","title":"Creating a Bridge","text":"<p>Building on the previous example, we now create a non-VLAN filtering bridge (<code>br0</code>) that forwards any, normally link-local, LLDP traffic between both its bridge ports: <code>eth0</code> and <code>vet0b</code>.</p> <pre><code>admin@host:/&gt; configure\nadmin@host:/config/&gt; edit interface br0\nadmin@host:/config/interface/br0/&gt; set bridge ieee-group-forward lldp\nadmin@host:/config/interface/br0/&gt; up\nadmin@host:/config/&gt; set interface eth0 bridge-port bridge br0\nadmin@host:/config/&gt; set interface veth0b bridge-port bridge br0\nadmin@host:/config/&gt; diff\ninterfaces {\n+  interface br0 {\n+    type bridge;\n+    bridge {\n+      ieee-group-forward lldp;\n+    }\n+  }\n  interface eth0 {\n+    bridge-port {\n+      bridge br0;\n+    }\n  }\n+  interface veth0a {\n+    type veth;\n+    ipv4 {\n+      address 192.168.0.1 {\n+        prefix-length 24;\n+      }\n+    }\n+    veth {\n+      peer veth0b;\n+    }\n+  }\n+  interface veth0b {\n+    type veth;\n+    veth {\n+      peer veth0a;\n+    }\n+    bridge-port {\n+      bridge br0;\n+    }\n+  }\n}\n</code></pre> <p>Both a physical port <code>eth0</code> and a virtual port <code>veth0b</code> (bridge side of the VETH pair from the previous example) are now bridged.  Any traffic ingressing one port will egress the other.  Only reserved IEEE multicast is filtered, except LLDP frames as shown above.</p> <p>Note: the bridge can be named anything, provided the interface name is not already taken.  However, for any name outside the pattern <code>br[0-9]+</code>, you have to set the interface type manually to <code>bridge</code>.</p>"},{"location":"cli/introduction/","title":"Introduction","text":""},{"location":"cli/introduction/#cli-introduction","title":"CLI Introduction","text":"<p>The command line interface (CLI, see-ell-aye) implements a CISCO-like, or Juniper Networks JunOS-like, CLI.  It is the traditional way of interacting with single network equipment like switches and routers. Today more advanced graphical NETCONF-based tools are available that allows for managing entire fleets of installed equipment.</p> <p>Nevertheless, when it comes to initial deployment and debugging, it is very useful to know how to navigate and use the CLI.  This very short guide intends to help you with that.</p> <p>New users usually get the CLI as the default \"shell\" when logging in, but the default <code>admin</code> user logs in to <code>bash</code>.  To access the CLI, type:</p> <pre><code>admin@host-12-34-56:~$ cli\n\nSee the 'help' command for an introduction to the system\n\nadmin@host-12-34-56:/&gt;\n</code></pre> <p>The prompt (beginning of the line) changes slightly.  Key commands available in any context are:</p> <pre><code>admin@host-12-34-56:/&gt; help                   # Try: Tab or ?\n...\nadmin@host-12-34-56:/&gt; show                   # Try: Tab or ?\nadmin@host-12-34-56:/&gt;                        # Try: Tab or ?\n</code></pre> <p>Note: even on an empty command line, you can tap the <code>Tab</code> or <code>?</code> keys. See <code>help keybindings</code> for more tips!</p>"},{"location":"cli/introduction/#key-concepts","title":"Key Concepts","text":"<p>The two modes in the CLI are the admin-exec and the configure context.</p> <p>The top-level context after logging in and starting the CLI is the admin-exec or \"main\" context.  It is used for querying system status, managing configuration files/profiles and doing advanced debugging.</p> <p>Available commands can be seen by pressing <code>?</code> at the prompt:</p> <pre><code>admin@host:/&gt;\n  configure      Create new candidate-config based on running-config\n  copy           Copy file or configuration, e.g., copy running-config startup-config\n  dir            List available configuration files\n  exit           Exit from CLI (log out)\n  factory-reset  Restore the system to factory default state\n  follow         Monitor a log file, use Ctrl-C to abort\n  help           Help system (try also the '?' key)\n  logout         Alias to exit\n  netcalc        IP subnet calculator, with subnetting\n  password       Password tools\n  ping           Ping a network host or multicast group\n  poweroff       Poweroff system (system policy may yield reboot)\n  reboot         Reboot system\n  remove         Remove a configuration file\n  set            Set operations, e.g., current date/time\n  show           Show system status and configuration files\n  tcpdump        Capture network traffic\n  upgrade        Install a software update bundle from remote or local file\n</code></pre> <p>The system has three main datastores (or files): factory, startup, and running that can be managed and inspected using the <code>copy</code>, <code>show</code>, and <code>configure</code> commands.  The traditional names used in the CLI for these are listed below:</p> <ul> <li><code>factory-config</code> the default configuration from factory for the    device, i.e., what the system returns to after a <code>factory-reset</code></li> <li><code>startup-config</code> created from <code>factory-config</code> at first boot after    factory reset.  Loaded as the system configuration on each boot</li> <li><code>running-config</code> what is actively running on the system.  If no    changes have been made since boot, it is the same as <code>startup-config</code></li> <li><code>candidate-config</code> is created from <code>running-config</code> when entering the    configure context.  Any changes made here can be discarded (<code>abort</code>,    <code>rollback</code>) or committed (<code>commit</code>, <code>leave</code>) to <code>running-config</code></li> </ul> <p>Edit the running configuration using the <code>configure</code> command.  This copies running to candidate, a temporary datastore, where changes are made:</p> <pre><code>admin@host-12-34-56:/&gt; configure\nadmin@host-12-34-56:/config/&gt; ...             # Try: Tab or ?\nadmin@host-12-34-56:/config/&gt; leave\n</code></pre> <p>The <code>leave</code> command activates the changes by issuing a transaction to, essentially, copy the candidate back to running.  Depending on the changes made, this can take a few seconds.  If the changes are invalid, i.e., not correct according to the underlying YANG models, a warning is shown and the session remains in configure context.  Use the <code>abort</code> command to cancel your changes, or investigate further with the <code>diff</code> command (see more below).</p> <p>To save configuration changes made to the <code>running-config</code> to persistent store, so the system will use them for consecutive reboots, use the <code>copy</code> command:</p> <pre><code>admin@host-12-34-56:/&gt; copy running-config startup-config\n</code></pre> <p>In configure context the following commands are available:</p> Command Description <code>set foo bar val</code> Set <code>bar</code> leaf node in <code>foo</code> subcontext to <code>val</code> <code>no foo bar</code> Clear/delete configuration made to <code>bar</code> in <code>foo</code> <code>edit foo baz</code> Enter <code>baz</code> sub-sub-context in <code>foo</code> subcontext <code>change password</code> Start password dialogue to change a user's password <code>text-editor foo</code> Open a text editor to edit binary setting <code>foo</code> <code>abort</code> Abort changes in configuration, return to admin-exec <code>exit</code> Exit one level sub-context, or abort from top-level <code>leave</code> Save changes to <code>running-config</code>, return to admin-exec <code>show [foo]</code> Show configured values (optionally in subcontext) <code>diff [foo]</code> Show uncommitted changes in candidate <code>do command</code> Call admin-exec command: <code>do show log</code> <code>commit</code>"},{"location":"cli/introduction/#example-session","title":"Example Session","text":"<p>Remember to use the <code>TAB</code> and <code>?</code> keys to speed up your navigation. See <code>help keybindings</code> for more tips!</p> <p>In this example we enter configure context to add an IPv4 address to interface <code>eth0</code>, then we apply the changes using the <code>leave</code> command.</p> <p>We inspect the system status to ensure the change took effect.  Then we save the changes for the next reboot.</p> <pre><code>admin@host-12-34-56:/&gt; configure\nadmin@host-12-34-56:/config/&gt; edit interface eth0\nadmin@host-12-34-56:/config/interface/eth0/&gt; set ipv4 &lt;TAB&gt;\n      address     autoconf bind-ni-name      enabled\n      forwarding  mtu      neighbor\nadmin@host-12-34-56:/config/interface/eth0/&gt; set ipv4 address 192.168.2.200 prefix-length 24\nadmin@host-12-34-56:/config/interface/eth0/&gt; show\ntype ethernetCsmacd;\nipv4 address 192.168.2.200 prefix-length 24;\nipv6 enabled true;\nadmin@host-12-34-56:/config/interface/eth0/&gt; diff\ninterfaces {\n  interface eth0 {\n+    ipv4 {\n+      address 192.168.2.200 {\n+        prefix-length 24;\n+      }\n+    }\n  }\n}\nadmin@host-12-34-56:/config/interface/eth0/&gt; leave\nadmin@host-12-34-56:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nlo              loopback   UNKNOWN     00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\neth0            ethernet   UP          52:54:00:12:34:56\n                ipv4                   192.168.2.200/24 (static)\n                ipv6                   fe80::5054:ff:fe12:3456/64 (link-layer)\nadmin@host-12-34-56:/&gt; show ip brief\nlo               UNKNOWN        127.0.0.1/8 ::1/128\neth0             UP             192.168.2.200/24 fe80::5054:ff:fe12:3456/64\nadmin@host-12-34-56:/&gt; copy running-config startup-config\n</code></pre> <p>One of the ideas behind a separate running and startup configuration is to be able to verify a configuration change.  In case of an inadvertent change that, e.g., breaks networking, it is trivial to revert back by:</p> <pre><code>admin@host-12-34-56:/&gt; copy startup-config running-config\n</code></pre> <p>Or restart the device, for example if the change to the configuration caused you to lose contact with the system (it happens to the best of us).  The system will start up from the last \"save gave\".</p> <p>Tip: when restoring a backup of a configuration, or having manually edited a config file, you can validate it using system's YANG models, it is not applied if validation is successful:</p> <p><code>copy /media/backup/old.cfg running-config validate</code></p>"},{"location":"cli/keybindings/","title":"Keybindings","text":""},{"location":"cli/keybindings/#cli-keybindings","title":"CLI Keybindings","text":"<p>Writing CLI commands by hand is very tedious.  To make things easier the CLI has several keybindings, most significant first:</p> Key Cmd/Key Description TAB Complete current command, see below for example ? Show available commands, or arguments, with help Ctrl-c Cancel everything on current line Ctrl-d <code>abort</code>/<code>exit</code> Delete character, or abort/exit on empty line Ctrl-z <code>leave</code> Leave and activate changes in configure context Ctrl-f Right arrow Move cursor forward one character Ctrl-b Left arrow Move cursor back one character Meta-f Ctrl-Right Move cursor forward one word Meta-b Ctrl-Left Move cursor back one word Ctrl-e End Move cursor to end of line Ctrl-a Home Move cursor to beginning of line Ctrl-k Kill (cut) text from cursor to end of line Ctrl-u Delete (cut) entire line Ctrl-y Yank (paste) from kill buffer to cursor Meta-. Yank (paste) last argument from previous line Ctrl-w Meta-Backspace Delete (cut) word to the left Meta-Delete Delete (cut) word to the right Ctrl-l Clear screen and refresh current line Ctrl-p Up arrow History, previous command Ctrl-n Down arrow History, next command Ctrl-r History, reversed interactive search (i-search)"},{"location":"cli/keybindings/#what-is-meta","title":"What is Meta?","text":"<p>The Meta key is called Alt on most modern keyboards.  If you have neither, first tap the Esc key instead of holding down Alt/Meta.</p>"},{"location":"cli/keybindings/#usage","title":"Usage","text":"<p>Complete a word.  Start by typing a few characters, then tap the TAB key on your keyboard:</p> <pre><code>conf&lt;TAB&gt; --&gt; configure\n</code></pre> <p>See possible arguments, with brief help text, to a command:</p> <pre><code>show ?\nbridge          Show bridge (ports/fdb/mdb/vlans)\ndatetime        Show current date and time, default RFC2822 format\n...\n</code></pre> <p>Type the command, then tap the <code>?</code> key.</p>"},{"location":"cli/netcalc/","title":"Network Calculator","text":""},{"location":"cli/netcalc/#network-calculator","title":"Network Calculator","text":"<pre><code>netcalc &lt;ADDRESS/LEN | NETWORK NETMASK&gt; [split &lt;1-32 | 64-128&gt;]\n</code></pre>"},{"location":"cli/netcalc/#description","title":"Description","text":"<p><code>netcalc</code> is a network calculator that takes an IP address and a subnet mask, or an IP address and prefix mask in CIDR notation, and then returns information about the subnet.  Both IPv4 and IPv6 is supported.</p> <p>A subnet can be entered in two ways:</p> <ul> <li><code>192.168.2.0 255.255.255.0</code>: traditional IPv4 'address netmask' style</li> <li><code>192.168.2.0/24</code>: modern prefix length, same also for IPv6</li> </ul> <p>An optional <code>split LEN</code> can be given as argument, the new length value must be bigger than the current prefix length.  See example below.</p>"},{"location":"cli/netcalc/#examples","title":"Examples","text":"<p>Its most commonly used features are to understand how many addresses an IP subnet has, what the broadcast address is, first and last usable address.</p> <pre><code>admin@example:/&gt; netcalc 192.168.2.0/24\nAddress  : 192.168.2.0          11000000.10101000.00000010. 00000000\nNetmask  : 255.255.255.0 = 24   11111111.11111111.11111111. 00000000\nWildcard : 0.0.0.255            00000000.00000000.00000000. 11111111\n=&gt;\nNetwork  : 192.168.2.0/24       11000000.10101000.00000010. 00000000\nHostMin  : 192.168.2.1          11000000.10101000.00000010. 00000001\nHostMax  : 192.168.2.254        11000000.10101000.00000010. 11111110\nBroadcast: 192.168.2.255        11000000.10101000.00000010. 11111111\nHosts/Net: 254                   Class C, Private network (RFC1918)\n</code></pre> <p>Another common use-case is for IP subnetting, i.e., using only as many addresses for an IP subnet as needed.  Example, to split the above /24 in four:</p> <pre><code>admin@example:/&gt; netcalc 192.168.2.0/24 split 26\nAddress  : 192.168.2.0          11000000.10101000.00000010. 00000000\nNetmask  : 255.255.255.0 = 24   11111111.11111111.11111111. 00000000\nWildcard : 0.0.0.255            00000000.00000000.00000000. 11111111\n=&gt;\nNetwork  : 192.168.2.0/24       11000000.10101000.00000010. 00000000\nHostMin  : 192.168.2.1          11000000.10101000.00000010. 00000001\nHostMax  : 192.168.2.254        11000000.10101000.00000010. 11111110\nBroadcast: 192.168.2.255        11000000.10101000.00000010. 11111111\nHosts/Net: 254                   Class C, Private network (RFC1918)\n\n[Split network/26]\nNetwork  : 192.168.2.0   - 192.168.2.63     Netmask  : 255.255.255.192\nNetwork  : 192.168.2.64  - 192.168.2.127    Netmask  : 255.255.255.192\nNetwork  : 192.168.2.128 - 192.168.2.191    Netmask  : 255.255.255.192\nNetwork  : 192.168.2.192 - 192.168.2.255    Netmask  : 255.255.255.192\n</code></pre>"},{"location":"cli/quick/","title":"Quickstart Guide","text":""},{"location":"cli/quick/#cli-quickstart-guide","title":"CLI Quickstart Guide","text":"<p>The question mark <code>?</code> key along with the <code>Tab</code> key are your best friends in the command line interface.  They provide context help and completion of commands you input.  See the table below for a handful of examples.</p> Command Description <code>help</code> Overview of topics/settings in the current context <code>?</code> Lists commands + brief help in the current context <code>&lt;Tab&gt;</code> Lists commands available in the current context <code>partial&lt;Tab&gt;</code> Completes a partial command name <code>command &lt;Tab&gt;</code> Lists keywords/arguments associated with a command <code>command keyword ?</code> Lists arguments associated with a keyword + help <p>Explore the following topics for more information.  Note, the keybindings are really useful to learn!</p> Command Description <code>help introduction</code> An introduction to the CLI <code>help configure</code> How to use configure context <code>help text-editor</code> Help with the built-in text-editor command <code>help keybindings</code> Lists available keybindings &amp; other helpful tricks <p>In <code>configure</code> context the <code>help setting</code> command shows the YANG description text for each node and container.  To reach the admin exec help from configure context, e.g., <code>do help text-editor</code></p>"},{"location":"cli/tcpdump/","title":"Network Monitoring","text":""},{"location":"cli/tcpdump/#network-monitoring","title":"Network Monitoring","text":"<p><code>tcpdump</code> is useful tool for analyzing and diagnosing network problems. This document presents the limited feature set that exposed is in the CLI.  Administrator level users with shell access can use the full feature set, and is not described here.</p> <p>The following section is useful for understanding how to use the tool. A section called Examples follows that, which may be what you want to scroll down to.</p>"},{"location":"cli/tcpdump/#hardware-overview","title":"Hardware Overview","text":"<p>Using <code>tcpdump</code> effectively requires an understanding of how the underlying hardware works.  For a standard PC, or common single-board computers (SBC), the network cards (NICs) are usually connected directly to the CPU.</p> <pre><code>                      .---------.\n                      |         +-- eth0\n                      |   CPU   |\n                      |         +-- eth1\n                      '---------'\n</code></pre> <p>In this setup it is evident that traffic coming in on either eth0 or eth1 reach the CPU, i.e., running <code>tcpdump eth0</code> captures all traffic.</p> <p>However, on other types of networking hardware, e.g., dedicated switch core setups depicted below, the flow of network traffic will likely not pass through the CPU.  This depends of course on how the switch is set up, for instance if routing between all ports is enabled, each flow will reach the CPU, but in a plain switching setup it will not.</p> <pre><code>                      .---------.\n                      |         |\n                      |   CPU   |\n                      |         |\n                      '----+----'\n                           |\n                           |\n                .----------+---------.\n                |                    |\n             ---+                    +---\n            E1  |         SC         |  E3\n             ---+                    +---\n            E2  |                    |  E4\n                '--+--+--+--+--+--+--'\n                   |  |  |  |  |  |\n                  E5 E6 E7 E8 E9 E10\n</code></pre> <p>So, running <code>tcpdump e1</code> in a switching setup, inside the CPU, the only traffic that will be captured is traffic ingressing port E1 destined for the CPU itself.  To analyze traffic going through the switch, you need something called port mirroring, or port monitoring, i.e., setting up the switch core to mirror traffic ingressing and/or egressing a set of ports to another port.  On this monitor port you can then run your tcpdump, which means you need an external device (laptop).</p> <p>A planned feature is to support mirroring traffic to the CPU port, which would be an effective way to log and monitor traffic over a longer period of time.  Highly effective for diagnosing intermittent and other rare network issues.</p> <p>If only \"proof of life\" is required, then sometimes port counters, also called RMON counters, can be very useful too.  Seeing counters of a particular type increment means traffic is ingressing or egressing.</p>"},{"location":"cli/tcpdump/#examples","title":"Examples","text":"<p>Listen to all traffic on an interface:</p> <pre><code>admin@example:/&gt; tcpdump e1\n</code></pre> <p>Listen to only ping traffic:</p> <pre><code>admin@example:/&gt; tcpdump e1 expression icmp\n</code></pre> <p>Listen to traffic on a given port:</p> <pre><code>admin@example:/&gt; tcpdump e1 expression \"port 80\"\n</code></pre> <p>Wait for one ping only:</p> <pre><code>admin@example:/&gt; tcpdump e1 count 1 expression icmp\n</code></pre> <p>Very verbose output:</p> <pre><code>admin@example:/&gt; tcpdump e1 verbose\n</code></pre>"},{"location":"cli/text-editor/","title":"Text Editor","text":""},{"location":"cli/text-editor/#text-editor","title":"Text Editor","text":"<p>The CLI built-in <code>text-editor</code> command can be used to edit type <code>binary</code> settings in configure context.</p> <p>The default editor is a Micro Emacs clone.  Users not familiar with terminal based editors may benefit from this introduction.</p>"},{"location":"cli/text-editor/#escape-metaalt-control-shift","title":"Escape Meta/Alt Control Shift","text":"<p>When starting up, the editor status field at the bottom shows the following shorthand:</p> <pre><code>C-h q  quick help | C-h t  tutorial | C-h b  key bindings | C = Ctrl | M = Alt\n</code></pre> <p>Key combinations with a <code>-</code> (dash) mean holding down the modifier key. Combinations without a <code>-</code> (dash) mean without any modifier key.</p>"},{"location":"cli/text-editor/#quick-help-c-h-q","title":"Quick help <code>C-h q</code>","text":"<ul> <li>hold down the <code>Ctrl</code> key on</li> <li>tap the <code>h</code> key</li> <li>release <code>Ctrl</code></li> <li>tap the <code>q</code> key</li> </ul> <p>The bottom part of the terminal now shows a \"buffer\" called <code>*quick*</code>:</p> <pre><code>FILE              BUFFER           WINDOW            MARK/KILL        MISC\nC-x C-c exit      C-x b   switch   C-x 0 only other  C-space mark     C-_ undo\nC-x C-f find      C-x k   close    C-x 1 only this   C-w     kill-rg  C-s search\nC-x C-s save      C-x C-b list     C-x 2 split two   C-k     kill-ln  C-r r-search\nC-x s   save-all  C-x h   mark     C-x ^ enlarge     C-y     yank     M-% replace\nC-x i   insert    C-x g   goto-ln  C-x o other win   C-x C-x swap     M-q reformat\n</code></pre>"},{"location":"cli/text-editor/#save-exit-c-x-c-c","title":"Save &amp; Exit <code>C-x C-c</code>","text":"<ul> <li>Hold down the Ctrl key</li> <li>tap <code>X</code></li> <li>tap <code>c</code></li> <li>release <code>Ctrl</code></li> </ul> <p>The status field at the bottom asks if you are really sure, and/or if you want to add a final Enter/newline to the file.  For binary content that final newline may be important.</p>"},{"location":"cli/text-editor/#changing-the-editor","title":"Changing the Editor","text":"<p>The system has three different built-in editors: </p> <ul> <li><code>emacs</code> (Micro Emacs)</li> <li><code>nano</code> (GNU Nano)</li> <li><code>vi</code> (Visual Editor)</li> </ul> <p>Changing editor is done in configure context, in the system container:</p> <pre><code>admin@host:/&gt; configure\nadmin@host:/config/&gt; edit system\nadmin@host:/config/system/&gt; set text-editor &lt;TAB&gt;\nemacs   nano    vi\nadmin@host:/config/system/&gt; set text-editor nano\nadmin@host:/config/system/&gt; leave\nadmin@host:/&gt;\n</code></pre>"},{"location":"cli/upgrade/","title":"Upgrading","text":""},{"location":"cli/upgrade/#upgrading-the-system","title":"Upgrading the System","text":"<p>The admin-exec command <code>upgrade</code> can be used to install software images, or bundles.  A bundle is a signed and self-contained package that carries all the information necessary to determine if it holds a bootloader, a Linux image, or even both.</p> <p>To install a new software image to the currently inactive partition<sup>1</sup>, we use the <code>upgrade</code> command and a URI to a ftp/tftp/sftp or http/https server that hosts the file:</p> <pre><code>admin@host:/&gt; upgrade tftp://192.168.122.1/firmware-x86_64-v23.11.pkg\ninstalling\n  0% Installing\n  0% Determining slot states\n 20% Determining slot states done.\n 20% Checking bundle\n 20% Verifying signature\n 40% Verifying signature done.\n 40% Checking bundle done.\n 40% Checking manifest contents\n 60% Checking manifest contents done.\n 60% Determining target install group\n 80% Determining target install group done.\n 80% Updating slots\n 80% Checking slot rootfs.1\n 90% Checking slot rootfs.1 done.\n 90% Copying image to rootfs.1\n 99% Copying image to rootfs.1 done.\n 99% Updating slots done.\n100% Installing done.\nInstalling `tftp://192.168.122.1/firmware-x86_64-v23.11.pkg` succeeded\nadmin@host:/&gt;\n</code></pre> <p>The secondary partition (<code>rootfs.1</code>) has now been upgraded and will be used as the active partition on the next boot.  Leaving the primary partition, with the version we are currently running, intact in case of trouble.</p> <p>See Upgrade &amp; Boot Order for more information on upgrading.</p> <ol> <li> <p>It is not possible to upgrade the partition we booted from.  Thankfully the underlying \"rauc\" subsystem keeps track of this.  Hence, to upgrade both partitions you must reboot to the new version (to verify it works) and then repeat the same command.\u00a0\u21a9</p> </li> </ol>"}]}
\ No newline at end of file
+{"config":{"lang":["en"],"separator":"[\\s\\-]+","pipeline":["stopWordFilter"],"fields":{"title":{"boost":1000.0},"text":{"boost":1.0},"tags":{"boost":1000000.0}}},"docs":[{"location":"","title":"Introduction","text":""},{"location":"#introduction","title":"Introduction","text":"<p>Welcome to Infix, your immutable, friendly, and secure operating system! On these pages you can find both user and developer documentation.</p> <p>Most topics on configuring the system include CLI examples, but every setting, as well as status read-back from the operational datastore, is also possible to perform using NETCONF or RESTCONF.  In fact, the Infix regression test system solely relies on NETCONF and RESTCONF.</p> <p>Tip</p> <p>The CLI documentation is also available from inside the CLI itself using the <code>help</code> command in admin-exec mode.</p> <p>This document provides an introduction of key concepts, details how the system boots, including failure modes, and provides links to other documents for further study.</p>"},{"location":"#command-line-interface","title":"Command Line Interface","text":"<p>The command line interface (CLI, see-ell-i) is the traditional way of interacting with single network equipment like switches and routers. Today users have come to expect more advanced graphical GUIs, like a web interface, to manage a device or NETCONF-based tools that allow for managing entire fleets of installed equipment.</p> <p>Nevertheless, when it comes to initial deployment and debugging, it is very useful to know how to navigate and use the CLI.</p> <p>Info</p> <p>For more information, see the CLI Introduction and the CLI Configuration Tutorial.</p>"},{"location":"#key-concepts","title":"Key Concepts","text":"<p>The two modes in the CLI are the admin-exec and the configure context.</p> <p>However, when logging in to the system, from the console port or SSH, you land in a standard UNIX shell, Bash.  This is for advanced users and remote scripting purposes (production equipment):</p> <pre><code>    Run the command 'cli' for interactive OAM\n\n    admin@example:~$\n</code></pre> <p>To enter the CLI, follow the instructions, for interactive Operations, Administration, and Management (OAM), type:</p> <pre><code>    admin@example:~$ cli\n    admin@example:/&gt;\n</code></pre> <p>The prompt, constructed from your username and the device's hostname, changes slightly.  You are now in the admin-exec context of the CLI. Here you can inspect system status and do operations to debug networking issues, e.g. ping.  You can also enter configure context by typing: <code>configure</code> followed by commands to <code>set</code>, <code>edit</code>, apply changes using <code>leave</code>, or <code>abort</code> and return to admin-exec.</p> <p>Tip</p> <p>If you haven't already, the CLI Introduction would be useful to skim through at this point.</p>"},{"location":"#datastores","title":"Datastores","text":"<p>The system has several datastores (or files):</p> <ul> <li><code>factory-config</code> consists of a set of default configurations, some    static and others generated per-device, e.g., a unique hostname and    number of ports/interfaces.   This file is generated at boot.</li> <li><code>failure-config</code> is also generated at boot, from the same YANG models    as <code>factory-config</code>, and holds the system Fail Secure Mode</li> <li><code>startup-config</code> is created from <code>factory-config</code> at boot if it does    not exist.  It is loaded as the system configuration on each boot.</li> <li><code>running-config</code> is what is actively running on the system.  If no    changes have been made since the system booted, it is the same as    <code>startup-config</code>.</li> <li><code>candidate-config</code> is created from <code>running-config</code> when entering the    configure context.  Any changes made here can be discarded (<code>abort</code>,    <code>rollback</code>) or committed (<code>commit</code>, <code>leave</code>) to <code>running-config</code>.</li> </ul> <p>Tip</p> <p>Please see the Branding &amp; Releases document for more in-depth information on how <code>factory-config</code> and <code>failure-config</code> can be adapted to different customer requirements.  Including how you can override the generated versions of these files with plain per-product ones -- this may even protect against some of the failure modes below.</p>"},{"location":"boot/","title":"Boot Procedure","text":""},{"location":"boot/#boot-procedure","title":"Boot Procedure","text":"<p>Systems running Infix will typically boot in multiple phases, forming a boot chain. Each link in the chain has three main responsibilities:</p> <ol> <li>Ensuring the integrity of the next link before passing control to    it. This avoids silent failures stemming from data corruption.</li> <li>Ensuring the authenticity of the next link before passing control    to it, commonly referred to as Secure Boot. This protects against    malicious attempts to modify a system's firmware.</li> <li>Preparing the system state according to the requirements of the    next link. E.g. the Linux kernel requires the system's RAM to be    operational.</li> </ol> <p>A typical chain consists of four stages:</p> <pre><code>    .---------.\n    |   ROM   &gt;---.   Determine the location of and load the SPL\n    '---------'   |\n.-----------------'\n|   .---------.\n'---&gt;   SPL   &gt;---.   Perform DDR training and load the TPL\n    '---------'   |\n.-----------------'\n|   .---------.\n'---&gt;   TPL   &gt;---.   Load Linux kernel, device tree, and root filesystem\n    '---------'   |\n.-----------------'\n|   .---------.\n'---&gt;  Infix  |       Get down to business\n    '---------'\n</code></pre> <p>After a reset, hardware will pass control to a program (ROM) which is almost always programmed into the SoC by the vendor.  This program will determine the location of the Secondary Program Loader (SPL), typically by reading a set of Sample at Reset (SaR) pins.</p> <p>The SPL is sometimes provided by the SoC vendor in binary form, and is sometimes built as a part of the Tertiary Program Loader (TPL) build.  Its main responsibility is usually to set up the system's memory controller and perform DDR training, if required, before loading the TPL.</p> <p>Commonly referred to as the system's bootloader, the TPL is responsible for preparing the execution environment required by the Linux kernel.</p> <p>This document's focus is to describe the final two phases of the boot chain, as the initial phases are very hardware dependent, better described by existing documentation provided by the SoC vendor.</p>"},{"location":"boot/#bootloader","title":"Bootloader","text":""},{"location":"boot/#configuration","title":"Configuration","text":"<p>To mitigate the risk of a malicious user being able to circumvent the bootloader's validation procedure, user configuration is kept to a minimum.  Two settings are available:</p> <p>Boot order: Since Infix maintains two copies of its software image, and as some bootloaders support netbooting, the order in which boot sources are considered can be configured. To select the active source, use RAUC:</p> <pre><code>root@example:~# rauc status mark-active &lt;slot&gt;\n...\n</code></pre> <p>Where <code>&lt;slot&gt;</code> is one of:</p> <code>&lt;slot&gt;</code> Source <code>rootfs.0</code> Primary partition <code>rootfs.1</code> Secondary partition <code>net.0</code> Netboot (where supported) <p>Debug: By default, the kernel will only output errors to the console during boot. Optionally, this can be altered such that all enabled messages are logged.</p> <p>On systems using U-Boot, this can be enabled by running <code>fw_setenv DEBUG 1</code>. To restore the default behavior, run <code>fw_setenv DEBUG</code>.</p> <p>On systems running GRUB, this can be enabled by running:</p> <pre><code>root@example:~# grub-editenv /mnt/aux/grub/grubenv set DEBUG=1\n</code></pre> <p>To restore the default behavior, run:</p> <pre><code>root@example:~# grub-editenv /mnt/aux/grub/grubenv unset DEBUG\n</code></pre>"},{"location":"boot/#u-boot","title":"U-Boot","text":"<p>Used on aarch64 based systems.  It is able to verify both the integrity and authenticity of an Infix image.  As such, it can be used as a part of a Secure Boot chain, given that the preceding links are able to do the same.</p> <p>Supports booting Infix from a block device using the Disk Image layout. Currently, Virtio and MMC disks are supported.</p> <p>An FIT Framed Squash Image can be used to boot Infix over the network.  DHCP is used to configure the network and TFTP to transfer the image to the system's RAM.</p> <p>Access to U-Boot's shell is disabled to prevent side-loading of malicious software.  To configure the active boot partition, refer to the Bootloader Configuration section.</p>"},{"location":"boot/#grub","title":"GRUB","text":"<p>Used on x86_64 based systems.  Neither the integrity nor the authenticity of the Infix image is verified.  It is only intended to provide a way of booting a Disk Image, such that a standard System Upgrade can be performed on virtualized instances.</p> <p>Access to the GRUB shell is not limited in any way, and the boot partition can be selected interactively at boot using the arrow keys. It is also possible to permanently configure the default partition from Infix using the Bootloader Configuration.</p>"},{"location":"boot/#system-boot","title":"System Boot","text":"<p>After the system firmware (BIOS or and boot loader start Linux the following happens.  The various failure modes, e.g., missing password in VPD, are detailed later in this section.</p> <p></p> <ol> <li>Before mounting <code>/cfg</code> and <code>/var</code> partitions, hosting read-writable    data like <code>startup-config</code> and container images, the system first    checks if a factory reset has been requested by the user, if so it    wipes the contents of these partitions</li> <li>Linux boots with a device tree which is used for detecting generic    make and model of the device, e.g., number of interfaces.  It may    also reference an EEPROM with Vital Product Data.  That is    where the base MAC address and per-device password hash is stored.    (Generic builds use the same MAC address and password)</li> <li>On every boot the system's <code>factory-config</code> and <code>failure-config</code> are    generated from the YANG<sup>2</sup> models of the current firmware version.    This ensures that a factory reset device can always boot, and that    there is a working fail safe, or rather fail secure, mode</li> <li>On first power-on, and after a factory reset, the system does not    have a <code>startup-config</code>, in which case <code>factory-config</code> is copied    to <code>startup-config</code> -- if a per-product specific version exists it    is preferred over the generated one</li> <li>Provided the integrity of the <code>startup-config</code> is OK, a system    service loads and activates the configuration</li> </ol>"},{"location":"boot/#failure-modes","title":"Failure Modes","text":"<p>So, what happens if any of the steps above fail?</p>"},{"location":"boot/#vpd-fail","title":"VPD Fail","text":"<p>The per-device password cannot be read, or is corrupt, so the system <code>factory-config</code> and <code>failure-config</code> are not generated:</p> <ol> <li>First boot, or after factory reset: <code>startup-config</code> cannot be    created or loaded, and <code>failure-config</code> cannot be loaded.  The    system ends up in an unrecoverable state, i.e., RMA<sup>3</sup> Mode</li> <li>The system has booted (at least) once with correct VPD and password    and already has a <code>startup-config</code>.  Provided the <code>startup-config</code>    is OK (see below), it is loaded and system boots successfully</li> </ol> <p>In both cases, external factory reset modes/button will not help, and in the second case will cause the device to fail on the next boot.</p> <p>Note</p> <p>The second case does not yet have any warning or event that can be detected from the outside.  This is planned for a later release.</p>"},{"location":"boot/#broken-startup-config","title":"Broken startup-config","text":"<p>If loading <code>startup-config</code> fails for some reason, e.g., invalid JSON syntax, failed validation against the system's YANG model, or a bug in the system's <code>confd</code> service, the Fail Secure Mode is triggered and <code>failure-config</code> is loaded (unless VPD Failure, see above).</p> <p>Tip</p> <p>Please see the Branding &amp; Releases document for how to provide per-product <code>failure-config</code>, or <code>factory-config</code> to suit your product's preferences.</p> <p>Fail Secure Mode is a fail-safe mode provided for debugging the system.  The default<sup>4</sup> creates a setup of isolated interfaces with communication only to the management CPU, SSH and console login using the device's factory reset password, IP connectivity only using IPv6 link-local, and device discovery protocols: LLDP, mDNS-SD.  The login and shell prompt are set to <code>failure-c0-ff-ee</code>, the last three octets of the device's base MAC address.</p>"},{"location":"boot/#system-upgrade","title":"System Upgrade","text":"<p>Much of the minutiae of software upgrades is delegated to RAUC, which offers lots of benefits out-of-the-box:</p> <ul> <li>Upgrade Bundles are always signed, such that their authenticity can   be verified by the running operating system, before the new one is   installed.</li> <li>The bureaucracy of interfacing with different bootloaders, manage   the boot order, is a simple matter of providing a compatible   configuration.</li> <li>Updates can be sourced from the local filesystem (including external   media like USB sticks or SD-cards) and from remote servers using FTP   or HTTP(S).</li> </ul> <p>To initiate a system upgrade from the shell<sup>1</sup>, run:</p> <pre><code>root@example:~# rauc install &lt;file|url&gt;\n...\n</code></pre> <p>Where the file or URL points to a RAUC Upgrade Bundle.</p> <p>This will upgrade the partition not currently running.  After a successful upgrade is completed, you can reboot your system, which will then boot from the newly installed image.  Since the partition from which you were originally running is now inactive, running the same upgrade command again will bring both partitions into sync.</p>"},{"location":"boot/#image-formats","title":"Image Formats","text":""},{"location":"boot/#squashfs-image","title":"SquashFS Image","text":"<p>Canonical Name: <code>rootfs.squashfs</code></p> <p>The central read-only filesystem image containing Infix's Linux kernel, device trees, and root filesystem. All other images bundle this image, or is dependent on it, in one way or another.</p> <p>On its own, it can be used as an initrd to efficiently boot a virtual instance of Infix.</p>"},{"location":"boot/#fit-framed-squash-image","title":"FIT Framed Squash Image","text":"<p>Canonical Name: <code>rootfs.itb</code></p> <p>As the name suggests, this is essentially the Squash FS Image with a Flattened Image Tree (FIT) header.  Being a native format to U-Boot, using this framing allows us to verify the integrity and authenticity of the SquashFS image using standard U-Boot primitives.</p> <p>In contrast to most FIT images, the kernel and device trees are not stored as separate binaries in the image tree.  Instead, Infix follows the standard Linux layout where the kernel and related files are stored in the <code>/boot</code> directory of the filesystem.</p> <p>On disk, this image is then stored broken up into its two components; the FIT header (<code>rootfs.itbh</code>) and the SquashFS image.  The header is stored on the Auxiliary Data partition of the Disk Image, while the SquashFS image is stored in one of the Root Filesystem partitions.</p> <p>When the system boots, U-Boot will concatenate the two parts to validate the SquashFS's contents. This path was chosen because:</p> <ul> <li> <p>Having a separate raw SquashFS means Linux can directly mount it as   the root filesystem.</p> </li> <li> <p>It decouples Infix from U-Boot.  If a better way of validating our   image is introduced, we can switch to it without major changes to   Infix's boot process, as we can still use a regular SquashFS as the   root filesystem.</p> </li> <li> <p>It lets us use standard interfaces to boot Linux, like SYSLINUX.  It   also plays well with traditional bootloaders, like GRUB.</p> </li> </ul> <p>In its full form, it can be used to netboot Infix, as it contains all the information needed by U-Boot in a single file.</p>"},{"location":"boot/#rauc-upgrade-bundle","title":"RAUC Upgrade Bundle","text":"<p>Canonical Name: <code>infix-${ARCH}.pkg</code></p> <p>Itself a SquashFS image, this bundle (sometimes referred to package) contains the Infix SquashFS Image along with the header of the FIT Framed Squash Image, and some supporting files to let RAUC know how install it on the target system.</p> <p>When performing a System Upgrade, this is the format to use.</p>"},{"location":"boot/#disk-image","title":"Disk Image","text":"<p>Canonical Name: <code>disk.img</code></p> <p>Infix runs from a block device (e.g. eMMC or virtio disk) with the following layout. The disk is expected to use the GPT partitioning scheme. Partitions marked with an asterisk are optional.</p> <pre><code>.-----------.\n| GPT Table |\n:-----------:\n|    boot*  |\n:-----------:\n|    aux    |\n:-----------:\n|           |\n|  primary  |\n|           |\n:-----------:\n|           |\n| secondary |\n|           |\n:-----------:\n|    cfg    |\n:-----------:\n|           |\n|    var*   |\n|           |\n'-----------'\n</code></pre>"},{"location":"boot/#boot-bootloader","title":"<code>boot</code> - Bootloader","text":"Parameter Value Required No Size 4 MiB Format Raw binary, as dictated by the hardware <p>Optional partition containing the system's bootloader. May also reside in a separate storage device, e.g. a serial FLASH.</p> <p>On x86_64, this partition holds the EFI system partition, containing the GRUB bootloader.</p>"},{"location":"boot/#aux-auxiliary-data","title":"<code>aux</code> - Auxiliary Data","text":"Parameter Value Required Yes Size 4 MiB Format EXT4 filesystem <p>Holds information that is shared between Infix and its bootloader, such as image signatures required to validate the chain of trust, bootloader configuration etc.</p> <p>Typical layout when using U-Boot bootloader:</p> <pre><code>/\n\u251c primary.itbh\n\u251c secondary.itbh\n\u2514 uboot.env\n</code></pre> <p>During boot, an ITB header along with the corresponding root filesystem image are concatenated in memory, by U-Boot, to form a valid FIT image that is used to verify its integrity and origin before any files are extracted from it.</p> <p>Note that the bootloader's primary environment is bundled in the binary - <code>uboot.env</code> is only used to import a few settings that is required to configure the boot order.</p>"},{"location":"boot/#primarysecondary-root-filesystems","title":"<code>primary</code>/<code>secondary</code> - Root Filesystems","text":"Parameter Value Required Yes Size &gt;= 256 MiB Format Squash filesystem <p>Holds the SquashFS Image. Two copies exist so that an incomplete upgrade does not brick the system, and to allow fast rollbacks when upgrading to a new version.</p>"},{"location":"boot/#cfg-configuration-data","title":"<code>cfg</code> - Configuration Data","text":"Parameter Value Required Yes Size &gt;= 16 MiB Format EXT4 filesystem <p>Non-volatile storage of the system configuration and user data. Concretely, user data is everything stored under <code>/root</code> and <code>/home</code>.</p>"},{"location":"boot/#var-variable-data","title":"<code>var</code> - Variable Data","text":"Parameter Value Required No Size &gt;= 16 MiB Format EXT4 filesystem <p>Persistent storage for everything under <code>/var</code>. This is maintained as a separate filesystem from the data in <code>cfg</code>, because while the system can funtion reasonably well without a persistent <code>/var</code>, loosing <code>/cfg</code> or <code>/etc</code> is much more difficult.</p> <p>If <code>var</code> is not available, Infix will still persist <code>/var/lib</code> using <code>cfg</code> as the backing storage.</p> <ol> <li> <p>See Upgrade &amp; Boot Order for more information.\u00a0\u21a9</p> </li> <li> <p>YANG is a modeling language from IETF, replacing that used for SNMP (MIB), used to describe the subsystems and properties of the system.\u00a0\u21a9</p> </li> <li> <p>Return Merchandise Authorization (RMA), i.e., broken beyond repair by end-user and eligible for return to manufacturer.\u00a0\u21a9</p> </li> <li> <p>Customer specific builds can define their own <code>failure-config</code>. It may be the same as <code>factory-config</code>, with the hostname set to <code>failure</code>, or a dedicated configuration that isolates interfaces, or even disables ports, to ensure that the device does not cause any security problems on the network.  E.g., start forwarding traffic between previously isolated VLANs.\u00a0\u21a9</p> </li> </ol>"},{"location":"branding/","title":"Branding & Releases","text":""},{"location":"branding/#branding-releases","title":"Branding &amp; Releases","text":"<p>This document is for projects using Infix as a br2-external, i.e., OEMs that want to create their own \"Spin\" of Infix.</p>"},{"location":"branding/#branding","title":"Branding","text":"<p>Branding is done in menuconfig, there are several settings affecting it, most are in the Infix external subsection called \"Branding\", but there is also <code>BR2_TARGET_GENERIC_HOSTNAME</code>, which deserves a special mention.</p> <p>The hostname is used for the system default <code>/etc/hostname</code>, which is the base name for the \"unique:ified\" hostname + the last three octets of the base MAC<sup>1</sup> address, e.g., <code>infix-c0-ff-ee</code>.  This in turn is the hostname that is set at first boot and also advertised by device discovery protocols like mDNS-SD and LLDP.</p> <p>See the help texts for the Infix Branding settings to understand which ones are mandatory and which are optional, menuconfig does not check this for you and you may end up with odd results.</p> <p>Verify the result after a build by inspecting:</p> <ul> <li><code>output/images/*</code>: names, missing prefix, etc.</li> <li><code>output/target/etc/os-release</code>: this file is sourced by other build   scripts, e.g., <code>mkgns3a.sh</code>.  For reference, see os-release(5)</li> </ul> <p>Important</p> <p>To get a proper GIT revision (hash) from your OS spin, remember to set in menuconfig <code>INFIX_OEM_PATH</code>.  When unset, the Infix <code>post-build.sh</code> script defaults to the Infix base path.  The revision is stored in the file <code>/etc/os-release</code> as <code>BUILD_ID</code>, also in the file <code>/etc/version</code>. See below for more info.</p>"},{"location":"branding/#factory-failure-config","title":"Factory &amp; Failure Config","text":"<p>To support booting the same image (CPU architecture) on multiple boards, Infix by default generates the device's initial configuration every time at boot.  This also ensures the device can always be restored to a known state after a factory reset, since the <code>factory-config</code> is guaranteed to be compatible with the YANG models for the given software version. (For more information on how the system boots, please see the section Key Concepts in the Introduction document.)</p> <p>However, for custom builds of Infix it is possible to override this with a single static <code>/etc/factory-config.cfg</code> (and failure-config) in your rootfs overlay -- with a VPD you can even support several!</p>"},{"location":"branding/#variables-format-specifiers","title":"Variables &amp; Format Specifiers","text":"<p>Parts of the configuration you likely always want to generated, like the SSH hostkey used by SSH server and NETCONF, a unique hostname, or the <code>admin</code> user's unique (per-device with a VPD) password hash.  This section lists the available keywords, see the next section for examples of how to use them:</p> <ul> <li>Default password hash: <code>$factory$</code> (from VPD, .dtb, or built-in)   XPath: <code>/ietf-system:system/authentication/user/password</code></li> <li>Default SSH and NETCONF hostkey: <code>genkey</code> (regenerated at factory reset)   XPath: <code>/ietf-keystore:keystore/asymmetric-keys/asymmetric-key[name='genkey']</code></li> <li>Hostname format specifiers:   XPath: <code>/ietf-system:system/hostname</code></li> <li><code>%i</code>: OS ID, from <code>/etc/os-release</code>, from Menuconfig branding</li> <li><code>%h</code>: Default hostname, from <code>/etc/os-release</code>, from branding</li> <li><code>%m</code>: NIC specific part of base MAC, e.g., to <code>c0-ff-ee</code></li> <li><code>%%</code>: Literal %</li> </ul>"},{"location":"branding/#static-files","title":"Static Files","text":"<p>Caution</p> <p>Maintaining a static <code>factory-config</code> and <code>failure-config</code> may seem like an obvious choice, but as YANG models evolve (even the IETF models get upgraded), you may need to upgrade your static files.</p> <p>First, for one-off builds (one image per product), the simplest way is to override the location where the system looks for the files, <code>/etc</code> already at build time.  This can be done using a Buildroot rootfs overlay providing, e.g., <code>/etc/factory-config.cfg</code>.  Example: NanoPi R2S in <code>${INFIX}/board/aarch64/r2s/rootfs/etc/factory-config.cfg</code>.</p> <p>Second, to support multiple products in a single image, we can employ another method to install a <code>/etc/factory-config.cfg</code> override -- at runtime.  This relies on the very early system <code>probe</code> that detects the specific product from VPD data.</p> <p>The <code>probe</code> consists of several sequential steps that currently run from <code>${INFIX}/board/common/rootfs/usr/libexec/infix/init.d/</code>.  One of them check if <code>/usr/share/product/&lt;PRODUCT&gt;</code> exists, and if so attempts to copy the entire contents to <code>/</code>.  Here, <code>&lt;PRODUCT&gt;</code> is determined from the VPD, which is available in <code>/run/system.json</code> as <code>\"product-name\"</code>, after <code>00-probe</code> has run. The lower case version of the string is used.</p> <p>I.e., create a rootfs overlay that provides any combination of:</p> <ul> <li><code>/usr/share/product/&lt;PRODUCT&gt;/etc/factory-config.cfg</code></li> <li><code>/usr/share/product/&lt;PRODUCT&gt;/etc/failure-config.cfg</code></li> </ul>"},{"location":"branding/#dynamically-generated","title":"Dynamically Generated","text":"<p>The generated <code>factory-config</code> and <code>failure-config</code> files consist of both static JSON files and part generated files at runtime for each device.  The resulting files are written to the RAM disk in <code>/run</code>:</p> <ul> <li><code>/run/confd/factory-config.gen</code></li> <li><code>/run/confd/failure-config.gen</code></li> </ul> <p>Provided no custom overrides (see above) have been installed already, these files are then copied to:</p> <ul> <li><code>/etc/factory-config.cfg</code></li> <li><code>/etc/failure-config.cfg</code></li> </ul> <p>... where the bootstrap process expects them to be in the next step.</p> <p>Examples of generated contents are the SSH hostkey and hostname.  The latter is constructed from the file <code>/etc/hostname</code>, appended with the last three octets of the system's base MAC address.  To override the base hostname, set <code>BR2_TARGET_GENERIC_HOSTNAME</code> in your defconfig.</p> <p>The static files are installed by Infix <code>confd</code> in <code>/usr/share/confd/</code> at build time.  It contains two subdirectories:</p> <pre><code>/usr/share/confd/\n |- factory.d/\n |  |- 10-foo.json\n |  |- 10-bar.json\n |  `- 10-qux.json\n `- failure.d/\n    |- 10-xyzzy.json\n    `- 10-garply.json\n</code></pre> <p>To override, or extend, these files in you br2-external, set up a rootfs overlay and add it last in <code>BR2_ROOTFS_OVERLAY</code>.  Your overlay can look something like this:</p> <pre><code>./board/common/rootfs/\n  |- etc/\n  |  |- confdrc             # See below\n  |  `- confdrc.local\n  `- usr/\n     `- share/\n        `- confd/\n           |- 10-foo.json   # Override Infix foo\n           |- 30-bar.json   # Extend, probably 10-bar.json\n           `- 30-fred.json  # Extend, your own defaults\n</code></pre> <p>Using the same filename in your overlay, here <code>10-foo.json</code>, completely replaces the contents of the same file provided by Infix.  If you just want to extend, or replace parts of an Infix default, use <code>30-....json</code>. Here the file <code>30-bar.json</code> is just a helpful hit to maintainers of your br2-external that it probably extends Infix' <code>10-bar.json</code>.</p> <p>The reason for the jump in numbers is that 20 is reserved for files generated by Infix' <code>gen-function</code> scripts.  Your br2-external can provide a few custom ones that the <code>bootstrap</code> knows about, e.g., <code>gen-ifs-custom</code> that overrides <code>20-interfaces.json</code>.  See the bootstrap script for more help, and up-to-date information.</p> <p>Tip</p> <p>You may not need to provide your own <code>/etc/confdrc</code> for your spin. The one installed by <code>confd</code> is usually enough.  However, if you want to adjust the behavior of <code>bootstrap</code> you may want to override it. There is also <code>confdrc.local</code>, which usually is enough to change arguments to scripts like <code>gen-interfaces</code>, e.g., to create a bridge by default, you may want to look into <code>GEN_IFACE_OPTS</code>.</p>"},{"location":"branding/#example-snippets","title":"Example Snippets","text":""},{"location":"branding/#ietf-system","title":"IETF System","text":"<pre><code>  \"ietf-system:system\": {\n    \"hostname\": \"example-%m\",\n    \"ntp\": {\n      \"enabled\": true,\n      \"server\": [\n        {\n          \"name\": \"ntp.org\",\n          \"udp\": {\n            \"address\": \"pool.ntp.org\"\n          }\n        }\n      ]\n    },\n    \"authentication\": {\n      \"user\": [\n        {\n          \"name\": \"admin\",\n          \"password\": \"$factory$\",\n          \"infix-system:shell\": \"bash\"\n        }\n      ]\n    },\n    \"infix-system:motd-banner\": \"Li0tLS0tLS0uCnwgIC4gLiAgfCBJbmZpeCAtLSBhIE5ldHdvcmsgT3BlcmF0aW5nIFN5c3RlbQp8LS4gdiAuLXwgaHR0cHM6Ly9rZXJuZWxraXQuZ2l0aHViLmlvCictJy0tLSctJwo=\"\n  },            # &lt;---- REMEMBER COMMA SEPARATORS IN SNIPPETS!\n                # &lt;---- ... and no comments.\n</code></pre> <p>The <code>motd-banner</code> is a binary type, which is basically a Base64 encoded text file without line breaks (<code>-w0</code>):</p> <pre><code>$ echo \"Li0tLS0tLS0uCnwgIC4gLiAgfCBJbmZpeCAtLSBhIE5ldHdvcmsgT3BlcmF0aW5nIFN5c3RlbQp8LS4gdiAuLXwgaHR0cHM6Ly9rZXJuZWxraXQuZ2l0aHViLmlvCictJy0tLSctJwo=\" \\\n    | base64 -d\n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.github.io\n'-'---'-'\n</code></pre>"},{"location":"branding/#ietf-keystore","title":"IETF Keystore","text":"<p>Notice how both the public and private keys are left empty here, this cause them to be always automatically regenerated after each factory reset. Keeping the <code>factory-config</code> snippet like this means we can use the same file on multiple devices, without risking them sharing the same host keys.  Sometimes you may want the same host keys, but that is the easy use-case and not documented here.</p> <pre><code>  \"ietf-keystore:keystore\": {\n    \"asymmetric-keys\": {\n      \"asymmetric-key\": [\n        {\n          \"name\": \"genkey\",\n          \"public-key-format\": \"ietf-crypto-types:ssh-public-key-format\",\n          \"public-key\": \"\",\n          \"private-key-format\": \"ietf-crypto-types:rsa-private-key-format\",\n          \"cleartext-private-key\": \"\",\n          \"certificates\": {}\n        }\n      ]\n    }\n  },\n</code></pre>"},{"location":"branding/#ietf-netconf-server","title":"IETF NETCONF Server","text":"<pre><code>  \"ietf-netconf-server:netconf-server\": {\n    \"listen\": {\n      \"endpoints\": {\n        \"endpoint\": [\n          {\n            \"name\": \"default-ssh\",\n            \"ssh\": {\n              \"tcp-server-parameters\": {\n                \"local-address\": \"::\"\n              },\n              \"ssh-server-parameters\": {\n                \"server-identity\": {\n                  \"host-key\": [\n                    {\n                      \"name\": \"default-key\",\n                      \"public-key\": {\n                        \"central-keystore-reference\": \"genkey\"\n                      }\n                    }\n                  ]\n                }\n              }\n            }\n          }\n        ]\n      }\n    }\n  },\n</code></pre>"},{"location":"branding/#infix-services","title":"Infix Services","text":"<pre><code>  \"infix-services:ssh\": {\n    \"enabled\": true,\n    \"hostkey\": [\n      \"genkey\"\n    ],\n    \"listen\": [\n      {\n        \"name\": \"ipv4\",\n        \"address\": \"0.0.0.0\",\n        \"port\": 22\n      },\n      {\n        \"name\": \"ipv6\",\n        \"address\": \"::1\",\n        \"port\": 22\n      }\n    ]\n  }\n</code></pre>"},{"location":"branding/#integration","title":"Integration","text":"<p>When integrating your software stack with Infix there may be protocols that want to change system settings like hostname and dynamically set IP address and default gateway, e.g. PROFINET.  This section detail a few recommendations for maintaining co-existence in this scenario of the multiple producers problem.</p> <p>First, there's a clear difference between \"singleton\" like hostsname and an interface IP address.  Consider the case of a static IP and a DHCP assigned IP, these can co-exist because of the <code>proto NUM</code> field available in iproute2.  This is used in Infix so that static addresses can be flushed independently of DHCP addresses.  The same can be done by other \"address providers\", e.g., PROFINET.</p> <p>Changing properties like hostname should be done by injecting a change into Infix, by for example calling <code>sysrepocfg -Ediff.xml</code>.  Here is an example of how to get the current hostname and apply an XML diff:</p> <pre><code>root@infix-00-00-00:~# sysrepocfg -X -x \"/system/hostname\" &gt; hostnm.xml\nroot@infix-00-00-00:~# cat hostnm.xml\n&lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n  &lt;hostname&gt;infix-00-00-00&lt;/hostname&gt;\n&lt;/system&gt;\nroot@infix-00-00-00:~# edit hostnm.xml\nroot@infix-00-00-00:~# sysrepocfg -Ehostnm.xml\nroot@example:~#\n</code></pre> <p>Second, perform all changes on <code>running-config</code>, the running datastore. That way you have a clear state to return to if your application needs to do a factory reset.  E.g., in PROFINET a type 1/2 factory reset will reset only the PROFINET specific settings.  That way you can actually have your system <code>startup-config</code> disable all physical ports and the PROFINET application enables only ports that are not deactivated.  (On factory reset it will not know of any ports to deactivate so it will activate all.)</p> <p>You can consider the system composed of two entities:</p> <ul> <li>NETCONF starts up the system using <code>startup-config</code>, then</li> <li>Hands over control to your application at runtime</li> </ul> <p>Infix is prepared for this by already having two \"runlevels\" for these two states.  The <code>startup-config</code> is applied in runlevel S (bootstrap) and the system then enters runlevel 2 for normal operation.</p> <p>This allow you to keep a set of functionality that is provided by the underlying system, and another managed by your application.  You can of course in your br2-external provide a sysrepo plugin that block operations on certain datastores when your application is enabled. E.g., to prevent changes to startup after initial deployment.  In that case a proper factory reset would be needed to get back to a \"pre-deployment\" state where you can reconfigure your baseline.</p>"},{"location":"branding/#releases","title":"Releases","text":"<p>A release build requires the global variable <code>INFIX_RELEASE</code> to be set. It can be derived from GIT, if the source tree is kept in GIT VCS.  First, let us talk about versioning in general.</p>"},{"location":"branding/#versioning","title":"Versioning","text":"<p>Two popular scheme for versioning a product derived from Infix:</p> <ol> <li>Track Infix major.minor, e.g. Foobar v23.08.z, where <code>z</code> is    your patch level.  I.e., Foobar v23.08.0 could be based on Infix    v23.08.0, or v23.08.12, it is up to you.  Maybe you based it on    v23.08.12 and then back ported changes from v23.10.0, but it was    the first release you made to your customer(s).</li> <li>Start from v1.0.0 and step the major number every time you sync    with a new Infix release, or every time Infix bumps to the next    Buildroot LTS.</li> </ol> <p>The important thing is to be consistent, not only for your own sake, but also for your end customers.  The major.minor.patch style is the most common and often recommended style, which usually maps well to other systems, e.g. PROFINET GSDML files require this (VX.Y.Z). But you can of course use only two numbers, major.minor, as well.</p> <p>Warning</p> <p>What could be confusing, however, is if you use the name Infix with your own versioning scheme.</p>"},{"location":"branding/#specifying-versioning-information","title":"Specifying Versioning Information","text":"<p>Two optional environment variables control the version information recorded in images. Both of these must be a lower-case string (no spaces or other characters outside of 0\u20139, a\u2013z, '.', '_' and '-') identifying the operating system version, excluding any OS name information or release code name, and suitable for processing by scripts or usage in generated filenames.</p>"},{"location":"branding/#infix_build_id","title":"<code>INFIX_BUILD_ID</code>","text":"<p>Used for <code>BUILD_ID</code> in <code>/etc/os-release</code>.</p> <p>Default: <code>$(git describe --always --dirty --tags)</code>, from the top directory. By default, the top directory refers to the root of the Infix source tree, but this can be changed by setting the branding variable <code>INFIX_OEM_PATH</code>, e.g. in a <code>defconfig</code> file or via <code>make menuconfig</code>, to the path of an enclosing br2-external.</p>"},{"location":"branding/#infix_release","title":"<code>INFIX_RELEASE</code>","text":"<p>Used for <code>VERSION</code> and <code>VERSION_ID</code> in <code>/etc/os-release</code> and generated file names like disk images, etc.</p> <p>Default: <code>${INFIX_BUILD_ID}</code></p> <ol> <li> <p>The base MAC address is defined in the device's Vital Product Data (VPD) EEPROM, or similar, which is used by the kernel to create the system interfaces.  This MAC address is usually also printed on a label on the device.\u00a0\u21a9</p> </li> </ol>"},{"location":"container/","title":"Docker Containers","text":""},{"location":"container/#docker-container-support","title":"Docker Container Support","text":"<p>Infix comes with native support for Docker containers using podman. The YANG model describes the current level of support, complete enough to run both system and application containers.</p> <p>Key design features of Infix, like using Linux switchdev, allow users to assign switch ports directly to containers, not just bridged VETH pairs. This is a rare and in many cases unique feature of Infix.</p> <p>All network specific settings are done using the IETF interfaces YANG model, with augments for containers to ensure smooth integration with container networking in podman.</p> <p>Important</p> <p>Even though the <code>podman</code> command can be used directly from a shell prompt, we strongly recommend using the CLI commands instead.  They employ the services of a wrapper <code>container</code> script which handles the integration of Docker containers in the system.</p>"},{"location":"container/#caution","title":"Caution","text":"<p>A word of warning.  Containers can run on your system in privileged mode, as <code>root</code>, giving them full access to devices on your system. Even though containers are fenced from the host with Linux namespaces, resource limited using cgroups, and normally run with capped privileges, a privileged container is relatively easy to break out of.  A trivial example is given in the Advanced section of this document.</p> <p>We recommend avoiding privileged containers, if possible (they do have valid use-cases) and instead use capabilities.</p> <p>Remember:</p> <ul> <li>If the system is compromised, containers can be used to easily    install malicious software in your system and over the network</li> <li>Your system is as secure as anything you run in the container</li> <li>If you run containers, there is no security guarantee of any kind</li> <li>Running 3rd party container images on your system could open a    security hole/attack vector/surface</li> <li>An expert with knowledge how to build exploits will be able to    jailbreak/elevate to root even if best practices are followed</li> </ul> <p>This being said, a system suspected of being compromised can always be restored to a safe state with a factory reset.  Provided, of course, that it has secure boot enabled.</p>"},{"location":"container/#getting-started","title":"Getting Started","text":"<p>In the CLI, containers can be run in one of two ways:</p> <ol> <li><code>container run IMAGE [COMMAND]</code>, or</li> <li>enter <code>configure</code> context, then <code>edit container NAME</code></li> </ol> <p>The first is useful mostly for testing, or running single commands in an image.  It is a wrapper for <code>podman run -it --rm ...</code>.</p> <p>The second creates a read-only container that by default automatically start at every boot.   It basically wraps <code>podman create ...</code>.</p> <p>When non-volatile storage is needed two complementary options exist:</p> <ul> <li>Volumes: data stored in a volume is persisted until explicitly    removed from the configuration, i.e., across host reboots and    container upgrades</li> <li>Content Mounts: where the content of a file   mounted into the container is kept along with the container   configuration in the device's <code>startup-config</code></li> </ul> <p>Podman ensures (using tmpfs) all containers have writable directories for certain critical file system paths: <code>/dev</code>, <code>/dev/shm</code>, <code>/run</code>, <code>/tmp</code>, and <code>/var/tmp</code>.  Meaning, what you most often need is writable volumes for <code>/var/lib</code> and <code>/etc</code>, or only file mounts for a few files in <code>/etc</code>.  The actual requirements depend on your container image and application to run.</p> <p>Important</p> <p>When running containers from public registries, double-check that they support the CPU architecture of your host system.  Remember, unlike virtualization, containers reuse the host's CPU and kernel.</p> <p></p>"},{"location":"container/#example-hello-world","title":"Example: Hello World","text":"<p>Classic Hello World:</p> <pre><code>admin@example:/&gt; container run docker://hello-world\nStarting docker://hello-world :: use Ctrl-p Ctrl-q to detach\nTrying to pull docker.io/library/hello-world:latest...\nGetting image source signatures\nCopying blob c1ec31eb5944 done\nCopying config d2c94e258d done\nWriting manifest to image destination\nStoring signatures\n\nHello from Docker!\nThis message shows that your installation appears to be working correctly.\n</code></pre>"},{"location":"container/#example-web-server","title":"Example: Web Server","text":"<p>A web server with nginx, using standard docker bridge.  Podman will automatically create a VETH pair for us, connecting the container to the <code>docker0</code> bridge:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface docker0\nadmin@example:/config/interface/docker0/&gt; set container-network\nadmin@example:/config/interface/docker0/&gt; end\nadmin@example:/config/&gt; edit container web\nadmin@example:/config/container/web/&gt; set image docker://nginx:alpine\nadmin@example:/config/container/web/&gt; set network publish 8080:80\nadmin@example:/config/container/web/&gt; set network interface docker0\nadmin@example:/config/container/web/&gt; set volume cache target /var/cache\nadmin@example:/config/container/web/&gt; leave\nadmin@example:/&gt; show container\n</code></pre> <p>Exit to the shell and verify the service with curl, or try to attach to your device's IP address using your browser:</p> <pre><code>admin@example:~$ curl http://localhost:8080\n</code></pre> <p>or connect to port 8080 of your running Infix system with a browser. See the following sections for how to add more interfaces and manage your container at runtime.</p>"},{"location":"container/#container-images","title":"Container Images","text":"<p>The underlying <code>podman</code> project supports importing and fetching images in a variety of ways, the most common ones are also supported by Infix.  In this section we present how to use them and in the next section we show how to upgrade to a newer base image.</p> <p>The CLI help shows:</p> <pre><code>admin@example:/config/container/system/&gt; help image\nNAME\n    image &lt;string&gt;\n\nDESCRIPTION\n    Docker image for the container: [transport]name[:tag|@digest]\n\n    quay.io/username/myimage     -- Pull myimage:latest\n    docker://busybox             -- Pull busybox:latest from Docker Hub\n    docker://ghcr.io/usr/img     -- Pull img:latest from GitHub packages\n    dir:/media/usb/myimage:1.1   -- Use myimage v1.1 from USB media\n    docker-archive:/tmp/archive  -- Use archive:latest from tarball\n    oci-archive:/lib/oci/archive -- Use archive:latest from OCI archive\n                                    May be in .tar or .tar.gz format\n\n    Additionally, the following URIs are also supported for setups\n    that do not use a HUB or similar.  Recommend using 'checksum'!\n\n    ftp://addr/path/to/archive   -- Downloaded using wget\n    http://addr/path/to/archive  -- Downloaded using curl\n    https://addr/path/to/archive -- Downloaded using curl\n\n    Note: if a remote repository cannot be reached, the creation of the\n          container will be put on a queue that retries pull every time\n          there is a route change in the host's system.\n</code></pre> <p>Tip</p> <p>The built-in help system in the CLI is generated from the YANG model, so the same information is also available for remote NETCONF users.</p> <p>The two most common variants are <code>docker://</code> and <code>oci-archive:/</code>.</p> <p>The former requires a working Docker registry and the latter operates on a plain OCI archive.  Infix does not come with a built-in registry, so the <code>docker://</code> option is best used with external services, which in turn require networking to be up.  In a deployment phase the easiest may be to set up a single interface on your host system with DHCP client.</p> <p>The default method is <code>docker://</code>, so when setting the <code>image</code> for your container, you can omit the <code>docker://</code> prefix.  You can also use the admin-exec command <code>container pull docker://...</code>, and when configuring a container <code>podman</code> will check first if it has the image before trying to download anything.  (See also the upgrade section, below.)</p> <p>The <code>oci-archive:/</code> is interesting since many users may not have, or do not want to, publish their images in a registry.  Use the Docker OCI exporter or any other tool that supports generating OCI Image format.  Infix supports loading both <code>.tar</code> or <code>.tar.gz</code> formats.</p> <p>Here we show a simple example of fetching an OCI image to the system, but many others exist, tools like <code>wget</code>, <code>curl</code>, and <code>scp</code> come to mind.</p> <p>Shell OCI Example:</p> <pre><code>admin@example:~$ cd /var/tmp/\nadmin@example:/var/tmp$ sudo wget https://github.com/kernelkit/curiOS/releases/download/edge/curios-oci-amd64.tar.gz\nConnecting to github.com (140.82.121.3:443)\nwget: note: TLS certificate validation not implemented\nConnecting to objects.githubusercontent.com (185.199.109.133:443)\nsaving to 'curios-oci-amd64.tar.gz'\ncurios-oci-amd64.tar 100% |*********************************| 7091k  0:00:00 ETA\n'curios-oci-amd64.tar.gz' saved\nadmin@example:/var/tmp$ ll\ntotal 7104\ndrwxr-xr-x    3 root     root          4096 Mar 27 14:22 ./\ndrwxr-xr-x   14 root     root          4096 Mar 27 11:57 ../\n-rw-r--r--    1 root     root       7261785 Mar 27 14:22 curios-oci-amd64.tar.gz\ndrwx------    6 frr      frr           4096 Mar 27 11:57 frr/\n</code></pre> <p>Importing the image into Podman can be done either from the CLI admin-exec context ...</p> <pre><code>admin@example:/var/tmp$ cli\nadmin@example:/&gt; container load /var/tmp/curios-oci-amd64.tar.gz name curios:edge\n</code></pre> <p>Tip</p> <p>The <code>name curios:edge</code> is the tag you give the imported (raw) archive which you can then reference in your container image configuration: <code>set image curios:edge</code>.</p> <p>... or by giving the container configuration the full path to the OCI archive, which helps greatly with container upgrades (see below):</p> <pre><code>admin@example:/config/container/system/&gt; set image oci-archive:/var/tmp/curios-oci-amd64.tar.gz\n</code></pre> <p>Checksum Example:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit container sys\nadmin@example:/config/container/sys/&gt; set hostname sys\nadmin@example:/config/container/sys/&gt; set image ftp://192.168.122.1/curios-oci-amd64-v24.05.0.tar.gz\nadmin@example:/config/container/sys/&gt; set checksum\n    md5 sha256 sha512\nadmin@example:/config/container/sys/&gt; set checksum sha256 4f01077036527498ed910f1a3e80645ae3eff629d10043cf80ebc6850c99c629\nadmin@example:/config/container/sys/&gt; leave\nadmin@example:/&gt; copy running-config startup-config\nadmin@example:/&gt; show container\nCONTAINER ID  IMAGE                                             COMMAND               CREATED         STATUS        PORTS       NAMES\nb02e945c43c9  localhost/curios-oci-amd64-v24.05.0:latest                              5 seconds ago   Up 5 seconds              sys\n\nadmin@example:/&gt; show log\n...\nNov 20 07:24:56 example container[5040]: Fetching ftp://192.168.122.1/curios-oci-amd64-v24.05.0.tar.gz\nNov 20 07:24:56 example container[5040]: curios-oci-amd64-v24.05.0.tar.gz downloaded successfully.\nNov 20 07:24:56 example container[5040]: curios-oci-amd64-v24.05.0.tar.gz checksum verified OK.\nNov 20 07:24:57 example container[5040]: Cleaning up extracted curios-oci-amd64-v24.05.0\nNov 20 07:24:57 example container[5040]: podman create --name sys --conmon-pidfile=/run/container:sys.pid --read-only --replace --quiet --cgroup-parent=containers  --restart=always --systemd=false --tz=local --hostname sys --log-driver k8s-file --log-opt path=/run/containers/sys.fifo --network=none curios-oci-amd64-v24.05.0\nNov 20 07:24:57 example container[3556]: b02e945c43c9bce2c4be88e31d6f63cfdb1a3c8bdd02179376eb059a49ae05e4\n</code></pre>"},{"location":"container/#understanding-image-tags","title":"Understanding Image Tags","text":"<p>Docker images use tags to identify different versions of the same image. Understanding the difference between mutable and immutable tags is important for managing container upgrades effectively.</p>"},{"location":"container/#mutable-tags","title":"Mutable Tags","text":"<p>Tags like <code>:latest</code>, <code>:edge</code>, or <code>:stable</code> are mutable \u2014 they point to different images over time as new versions are published to the registry.</p> <p>Advantages:</p> <ul> <li>Convenient: upgrade without changing configuration</li> <li>Simple: use the CLI command <code>container upgrade NAME</code> to get the latest version,    there is even a convenient RPC for controlling the remotely</li> <li>Good for: development, testing, and systems that auto-update</li> </ul> <p>Trade-offs:</p> <ul> <li>Less reproducible: different systems may run different versions</li> <li>Less predictable: upgrades happen when you pull, not when you plan</li> <li>Harder to rollback: previous version may no longer be available</li> </ul> <p>Example mutable tags:</p> <pre><code>docker://nginx:latest          # Always points to newest release\ndocker://myapp:edge            # Development/bleeding edge version\noci-archive:/var/tmp/app.tar   # Local archive that may be replaced\n</code></pre>"},{"location":"container/#immutable-tags","title":"Immutable Tags","text":"<p>Version-specific tags like <code>:v1.0.1</code>, <code>:24.11.0</code>, or digest references like <code>@sha256:abc123...</code> are immutable \u2014 they always reference the exact same image content.</p> <p>Advantages:</p> <ul> <li>Reproducible: all systems run identical versions</li> <li>Predictable: upgrades only happen when you change configuration</li> <li>Auditable: clear history of what ran when</li> <li>Good for: production, compliance, and controlled deployments</li> </ul> <p>Trade-offs:</p> <ul> <li>More explicit: must update configuration to upgrade</li> <li>Requires planning: need to know which version to use</li> </ul> <p>Example immutable tags:</p> <pre><code>docker://nginx:1.25.3          # Specific version number\ndocker://myapp:v2.1.0          # Semantic version tag\ndocker://nginx@sha256:abc123   # Cryptographic digest (most immutable)\n</code></pre> <p>Tip</p> <p>Best practice for production: Use specific version tags (<code>:v1.0.1</code>) rather than mutable tags (<code>:latest</code>). This ensures all your systems run identical software and upgrades happen only when you decide.</p>"},{"location":"container/#upgrading-container-images","title":"Upgrading Container Images","text":"<p>The applications in your container are an active part of the system as a whole, so make it a routine to keep your container images up-to-date!</p>"},{"location":"container/#how-container-lifecycle-works","title":"How Container Lifecycle Works","text":"<p>Infix intelligently manages container lifecycles to provide a smooth experience while minimizing unnecessary work:</p> <p>At first setup: When you configure a container for the first time, Infix fetches the image (if needed) and creates the container instance.</p> <p>At boot time: Infix checks if the container needs to be recreated by comparing checksums for:</p> <ul> <li>The image archive that the container was built from</li> <li>The container configuration script</li> </ul> <p>When configuration changes: If you modify any container settings (network, volumes, environment, etc.), the container is automatically recreated with the new configuration.</p> <p>When explicitly upgraded: Using the <code>container upgrade</code> command forces a fresh pull of the image and recreates the container.</p> <p>This means that in most cases, containers persist across reboots and are only recreated when actually necessary. Your container's state stored in volumes is preserved across recreations.  Since Infix containers use a read-only root filesystem, any changes written outside of volumes or the writable paths provided by Podman (<code>/dev</code>, <code>/dev/shm</code>, <code>/run</code>, <code>/tmp</code>, <code>/var/tmp</code>) will be lost when the container is recreated.</p>"},{"location":"container/#method-1-upgrading-immutable-tags","title":"Method 1: Upgrading Immutable Tags","text":"<p>When using version-specific tags, you upgrade by explicitly changing the image reference in your configuration:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit container web\nadmin@example:/config/container/web/&gt; set image docker://nginx:1.25.3\nadmin@example:/config/container/web/&gt; leave\n</code></pre> <p>What happens:</p> <ol> <li>Podman pulls the new image in the background (if not already present)</li> <li>Your container is automatically stopped</li> <li>The container is recreated with the new image</li> <li>The container is started with your existing volumes intact</li> </ol> <p>Example: Upgrading from one version to another:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit container system\nadmin@example:/config/container/system/&gt; show image\nimage ghcr.io/kernelkit/curios:v24.11.0;\nadmin@example:/config/container/system/&gt; set image ghcr.io/kernelkit/curios:v24.12.0\nadmin@example:/config/container/system/&gt; leave\nadmin@example:/&gt; show log\n...\nDec 13 14:32:15 example container[1523]: Pulling ghcr.io/kernelkit/curios:v24.12.0...\nDec 13 14:32:18 example container[1523]: Stopping old container instance...\nDec 13 14:32:19 example container[1523]: Creating new container with updated image...\nDec 13 14:32:20 example container[1523]: Container system started successfully\n</code></pre>"},{"location":"container/#method-2-upgrading-mutable-tags","title":"Method 2: Upgrading Mutable Tags","text":"<p>For images using mutable tags like <code>:latest</code> or <code>:edge</code>, use the <code>container upgrade</code> command:</p> <pre><code>admin@example:/&gt; container upgrade NAME\n</code></pre> <p>This command:</p> <ol> <li>Stops the running container</li> <li>Pulls the latest version of the image from the registry</li> <li>Recreates the container with the new image</li> <li>Starts the container automatically</li> </ol> <p>Example using registry:</p> <pre><code>admin@example:/&gt; container upgrade system\nsystem\nTrying to pull ghcr.io/kernelkit/curios:edge...\nGetting image source signatures\nCopying blob 07bfba95fe93 done\nCopying config 0cb6059c0f done\nWriting manifest to image destination\nStoring signatures\n0cb6059c0f4111650ddbc7dbc4880c64ab8180d4bdbb7269c08034defc348f17\nsystem: not running.\n59618cc3c84bef341c1f5251a62be1592e459cc990f0b8864bc0f5be70e60719\n</code></pre> <p>Example using local OCI archive:</p> <p>An OCI archive image can be upgraded in a similar manner. First, get the new archive onto the system (see Container Images section above), then, provided the <code>oci-archive:/path/to/archive</code> format is used in your configuration, call the upgrade command:</p> <pre><code>admin@example:/&gt; container upgrade system\nUpgrading container system with local archive: oci-archive:/var/tmp/curios-oci-amd64.tar.gz ...\n7ab4a07ee0c6039837419b7afda4da1527a70f0c60c0f0ac21cafee05ba24b52\n</code></pre> <p>OCI archives can also be fetched from ftp/http/https URLs. In that case, the upgrade works the same way as a registry image \u2014 Infix downloads the new archive and recreates the container.</p>"},{"location":"container/#embedded-container-images","title":"Embedded Container Images","text":"<p>Tip</p> <p>Containers running from OCI images embedded in the operating system, e.g., <code>/lib/oci/mycontainer.tar.gz</code>, are automatically kept in sync with the Infix system image version.</p> <p>How it works: When you build a custom Infix image with embedded OCI archives, those containers will be upgraded whenever you upgrade the Infix operating system itself. At boot, Infix checks if the embedded image has changed and automatically recreates the container if needed.</p> <p>Example: default builds of Infix include a couple of OCI images for reference, one is <code>/lib/oci/curios-nftables-v24.11.0.tar.gz</code>, but there is also a symlink called <code>curios-nftables-latest.tar.gz</code> in the same directory, which is what the Infix regression tests use in the image configuration of the container. When the system is upgraded and the embedded image changes, the test containers are automatically recreated with the new version.</p> <p>This approach ensures your embedded containers always match your system version without any manual intervention.</p>"},{"location":"container/#capabilities","title":"Capabilities","text":"<p>An unprivileged container works for almost all use-cases, but there are occasions where they are too restricted and users start looking for the <code>privileged</code> flag.  Capabilities offers a middle ground.</p> <p>For example, a system container from which <code>ping</code> does not work:</p> <pre><code>admin@example:/config/container/system/&gt; edit capabilities\nadmin@example:/config/container/system/capabilities/&gt; set add net_raw\nadmin@example:/config/container/system/capabilities/&gt; end\nadmin@infix-00-00-00:/config/container/system/&gt; show\n...\ncapabilities {\n  add net_raw;\n}\n...\n</code></pre> <p>Infix supports a subset of all capabilities that are relevant for containers.  Please note, that this is an advanced topic that require time and analysis of your container application to figure out which capabilities you need.</p>"},{"location":"container/#networking-and-containers","title":"Networking and Containers","text":"<p>By default, unlike other systems, persistent<sup>2</sup> containers have no networking enabled.  All network access has to be set up explicitly. Currently two types of of container networks are supported:</p> <ul> <li><code>host</code>: an managed host interface, e.g., one end of a VETH pair,    or even a physical interface</li> <li><code>bridge</code>: an IP masquerading bridge</li> </ul> <p>In the former the interface is delegated to (moved into) the container, while in the latter a VETH pair is automatically created by Podman and one end delegated to the container, while the other end is assigned to the bridge (see the next section).</p> <p>Tip</p> <p>For more information on VETH pairs, see the Networking Guide.</p>"},{"location":"container/#container-bridge","title":"Container Bridge","text":"<p>A container bridge is what most container setups use and users want.</p> <p></p> <p>The difference from a regular bridge is that the container runtime fully manages them -- connecting containers with automatically created VETH pairs (look at the bridge port names) and setting up firewall rules between the host and other containers, as well as managing port forwarding.  This transparent background management is what makes container use seem to be so simple.</p> <p>All interface configuration is done in configure context.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config&gt; edit interface docker0\nadmin@example:/config/interface/docker0/&gt; set container-network\nadmin@example:/config/interface/docker0/&gt; leave\n</code></pre> <p>There is more to this story.  When using the CLI, and sticking to common interface nomenclature, Infix helps you with some of the boring stuff. E.g., creating a new interface with a name like <code>brN</code> or <code>dockerN</code> automatically infers the interface types, which you would otherwise have to set manually:</p> <pre><code>admin@example:/config/interface/docker0/&gt; set type bridge\nadmin@example:/config/interface/docker0/&gt; set container-network type bridge\n</code></pre> <p>Important</p> <p>When configuring the system via an API such as NETCONF or RESTCONF, no settings are inferred.  Instead it is up to the caller to fully define the desired setup.  This makes the CLI very useful for first setup and then extracting the resulting XML from the shell using the <code>cfg -X</code> command.</p> <p>We have to declare the interface as a container network, ensuring the interface cannot be used by the system for any other purpose.  E.g., a container <code>host</code> interface is supposed to be used by a container, by declaring it as such we can guarantee that it would never accidentally be added as a bridge or lag port.  Hence, to move an interface currently set as a <code>bridge-port</code> it must be removed from the bridge before being given to a container.</p> <p>The default subnet for a container <code>bridge</code> is 172.17.0.0/16, the bridge takes the <code>.1</code> address and hand out the rest of the range to containers in a round-robin like fashion.  A container with this <code>network</code> get an automatically created VETH pair connection to the bridge and a lot of other networking parameters (DNS, default route) are set up.</p> <p>Some of the defaults of a container <code>bridge</code> can be changed, e.g., instead of <code>set container-network type bridge</code>, above, do:</p> <pre><code>admin@example:/config/interface/docker0/&gt; edit container-network\nadmin@example:/config/interface/docker0/container-network/&gt; set type bridge\nadmin@example:/config/interface/docker0/container-network/&gt; edit subnet 192.168.0.0/16\nadmin@example:/config/interface/docker0/container-network/subnet/192.168.0.0/16/&gt; set gateway 192.168.255.254\nadmin@example:/config/interface/docker0/container-network/subnet/192.168.0.0/16/&gt; end\nadmin@example:/config/interface/docker0/container-network/&gt; edit route 10.0.10.0/24\nadmin@example:/config/interface/docker0/container-network/route/10.0.10.0/24/&gt; set gateway 192.168.10.254\nadmin@example:/config/interface/docker0/container-network/route/10.0.10.0/24/&gt; end\nadmin@example:/config/interface/docker0/container-network/&gt; end\nadmin@example:/config/interface/docker0/&gt; leave\n</code></pre> <p>Other network settings, like DNS and domain, use built-in defaults, but can be overridden from each container.  Other common settings per container is the IP address and name of the network interface inside the container.  The default, after each stop/start cycle, or reboot of the host, is to name the interfaces <code>eth0</code>, <code>eth1</code>, in the order they are given in the <code>network</code> list, and to give the container the next address in a <code>bridge</code>.  Below an example of a system container calls <code>set network interface docker0</code>, here we show how to set options for that network:</p> <pre><code>admin@example:/config/container/ntpd/&gt; edit network interface docker0\nadmin@example:/config/container/ntpd/network/interface/docker0/&gt;\nadmin@example:/config/container/ntpd/network/interface/docker0/&gt; set option\n&lt;string&gt;  Options for masquerading container bridges.\nadmin@example:/config/container/ntpd/network/interface/docker0/&gt; help option\nNAME\n        option &lt;string&gt;\n\nDESCRIPTION\n        Options for masquerading container bridges.\n\n        Example: ip=1.2.3.4            -- request a specific IP (IPv4 or IPv6)\n                 mac=00:01:02:c0:ff:ee -- set fixed MAC address in container\n                 interface_name=foo0   -- set interface name inside container\n\nadmin@example:/config/container/ntpd/network/interface/docker0/&gt; set option ip=172.17.0.2\nadmin@example:/config/container/ntpd/network/interface/docker0/&gt; set option interface_name=wan\nadmin@example:/config/container/ntpd/network/interface/docker0/&gt; leave\n</code></pre>"},{"location":"container/#container-host-interface","title":"Container Host Interface","text":"<p>Another common use-case is to move network interfaces into the network namespace of a container<sup>1</sup>.  This of course works with plain Ethernet interfaces as well, but here we will use one end of a VETH pair as an example.</p> <p>The network <code>option</code> setting is available also for this case, but only the <code>interface_name=foo0</code> option works.  Which is still very useful.  To set:</p> <ul> <li>IP address, use IPv4/IPv6 settings in the interface settings</li> <li>MAC address, to use the <code>custom-phys-address</code> in the interface settings</li> </ul> <p>For an example of both, see the next section.</p>"},{"location":"container/#routed-setup","title":"Routed Setup","text":"<p>In this routed setup we reserve 192.168.0.0/24 for the network between the host and the <code>ntpd</code> container.</p> <p></p> <p>Configuration is a straight-forward VETH pair setup where we name the container-end of pair <code>ntpd</code>.  This is just a convenience for us when reading the configuration later.  The real action happens on the last line where we declare the <code>ntpd</code> end as a container network interface:</p> <pre><code>admin@example:/config/&gt; edit interface veth0\nadmin@example:/config/interface/veth0/&gt; set veth peer ntpd\nadmin@example:/config/interface/veth0/&gt; set ipv4 address 192.168.0.1 prefix-length 24\nadmin@example:/config/interface/veth0/&gt; end\nadmin@example:/config/&gt; edit interface ntpd\nadmin@example:/config/interface/ntpd/&gt; set ipv4 address 192.168.0.2 prefix-length 24\nadmin@example:/config/interface/ntpd/&gt; set custom-phys-address static 00:c0:ff:ee:00:01\nadmin@example:/config/interface/ntpd/&gt; set container-network\n</code></pre> <p>Tip</p> <p>Notice how you can also set a custom MAC address at the same time.</p> <p>Adding the interface to the container is the same as before, but since everything for host interfaces is set up in the interfaces context, we can take a bit of a shortcut.</p> <pre><code>admin@example:/config/container/ntpd/&gt; set network interface ntpd\nadmin@example:/config/container/ntpd/&gt; leave\n</code></pre> <p>Tip</p> <p>Use the <code>set network interface ntpd option interface_name=foo0</code> to set the name of the interface inside the container to <code>foo0</code>.</p> <p>The point of the routed case is that port forwarding from the container in this case is limited to a single interface, not all interfaces as is the default in the masquerading container bridge setup.</p>"},{"location":"container/#bridged-setup","title":"Bridged Setup","text":"<p>A perhaps more common case is to bridge the other end of the VETH pair with other physical ports.  In this section we show how to add a new pair to give our container two interfaces:</p> <p></p> <p>We start by adding the second VETH pair:</p> <pre><code>admin@example:/config/&gt; edit interface veth1a\nadmin@example:/config/interface/veth1a/&gt; set veth peer veth1\nadmin@example:/config/interface/veth1a/&gt; set ipv4 address 192.168.1.2 prefix-length 24\n</code></pre> <p>Note</p> <p>The LAN bridge (br1) in this example has IP address 192.168.1.1.</p> <p>When a container has multiple host interfaces it can often be useful to have a default route installed.  This can be added from the host with a <code>0.0.0.0/0</code> route on one of the interfaces:</p> <pre><code>admin@example:/config/interface/veth1a/&gt; set container-network route 0.0.0.0/0 gateway 192.168.1.1\nadmin@example:/config/interface/veth1a/&gt; show\ntype veth;\ncontainer-network {\n  type host;\n  route 0.0.0.0/0 {\n    gateway 192.168.1.1;\n  }\n}\nveth {\n  peer veth1;\n}\nadmin@example:/config/interface/veth1a/&gt; end\nadmin@example:/config/&gt; set interface veth1 bridge-port bridge br1\n</code></pre> <p>Please note, container network routes require the base interface also have a static IP address set.  Setting only the route, but no address, means the route is skipped.</p>"},{"location":"container/#host-networking","title":"Host Networking","text":"<p>The third use-case is host networking, this is where a container share the network namespace of the host.  An example here could be a nftables or ntpd container -- single applications which add core functionality to the host operating system.</p> <p>The host networking setup cannot be combined with any other network.</p> <p>For an example, see below.</p>"},{"location":"container/#mounts-and-volumes","title":"Mounts and Volumes","text":"<p>It is possible to mount files, directories, and even files matching a glob, into a container.  This gives precise control over the container's file system:</p> <pre><code>admin@example:/config/container/system/&gt; edit mount leds\nadmin@example:/config/container/system/mount/leds&gt; set source /sys/class/leds\nadmin@example:/config/container/system/mount/leds&gt; set target /sys/class/leds\nadmin@example:/config/container/system/mount/leds&gt; end\nadmin@example:/config/container/system/&gt;\n</code></pre> <p>Any type of file can be bind mounted into the container, just watch out for permissions though.  In the example above, <code>/sys/class/leds</code> is not writable from a container unless it runs in privileged mode.  For plain configuration files you get more freedom, and your container can rely on, e.g., inotify events to trigger reloading its services when you change the file on the host.</p> <p>So it depends on the container, and indeed your overall setup, what to use.  An intriguing option is Content Mounts, which when changed also trigger a container restart.</p> <p>Other times volumes are a better fit.  A volume is an automatically created read-writable entity that follows the life of your container.</p> <pre><code>admin@example:/config/container/ntpd/&gt; set volume varlib target /var/lib\n</code></pre> <p>Volumes are persistent across both reboots and upgrades of the base image.  They are created by Podman when the container first starts up, unlike a regular bind mount it synchronizes with the contents of the underlying container image's path at first use.  I.e., \"bind-mount, if empty: then rsync\".</p> <p>Note</p> <p>Infix support named volumes (only), and it is not possible to share a volume between containers.  All the tricks possible with volumes may be added in a later release.</p>"},{"location":"container/#volume-management","title":"Volume Management","text":"<p>Volumes are persistent storage that survive container restarts and image upgrades, making them ideal for application data. However, this also means they are not automatically removed when a container is deleted from the configuration.</p> <p>This design choice prevents accidental data loss, especially in scenarios where:</p> <ul> <li>A container is temporarily removed and re-added with the same name</li> <li>A container is replaced with a different configuration but same name</li> <li>System upgrades or configuration changes affect container definitions</li> </ul> <p>To clean up unused volumes and reclaim disk space, use the admin-exec command:</p> <pre><code>admin@example:/&gt; container prune\nDeleted Images\n...\nDeleted Volumes\nntpd-varlib\nsystem-data\n\nTotal reclaimed space: 45.2MB\n</code></pre> <p>The <code>container prune</code> command safely removes:</p> <ul> <li>Unused container images</li> <li>Volumes not attached to any container (running or stopped)</li> <li>Other unused container resources</li> </ul> <p>Tip</p> <p>You can monitor container resource usage with the command:</p> <pre><code>admin@example:/&gt; show container usage\n</code></pre> <p>This displays disk space used by images, containers, and volumes, helping you decide when to run the prune command.</p> <p>To see which volumes exist and which containers use them:</p> <pre><code>admin@example:/&gt; show container volumes\n</code></pre>"},{"location":"container/#content-mounts","title":"Content Mounts","text":"<p>Content mounts are a special type of file mount where the file contents is stored with the container configuration.  This can be very useful when deploying similar systems at multiple sites.  When the host loads its <code>startup-config</code> (or even <code>factory-config</code>) a temporary file is created using the decoded base64 data from the <code>content</code> node.</p> <pre><code>admin@example:/config/container/ntpd/&gt; edit mount ntpd.conf\nadmin@example:/config/container/ntpd/mount/ntpd.conf&gt; text-editor content\n... interactive editor starts up ...\nadmin@example:/config/container/ntpd/mount/ntpd.conf&gt; set target /etc/ntpd.conf\nadmin@example:/config/container/ntpd/mount/ntpd.conf&gt; end\nadmin@example:/config/container/ntpd/&gt;\n</code></pre> <p>The editor is a small Emacs clone called Mg, see the built-in help text, or press Ctrl-x Ctrl-c to exit and save.  When the editor exits the contents are base64 encoded and stored in the candidate datastore.</p> <p>Note</p> <p>Since these files are always recreated when the host is restarted, changes made by the container are not preserved, or saved back to the host's startup-config.</p> <p>Infix has three different text editors available.  For more information, see CLI Text Editor.</p>"},{"location":"container/#example-containers","title":"Example Containers","text":""},{"location":"container/#system-container","title":"System Container","text":"<p>Let's try out what we've learned by setting up a system container, a container providing multiple services, using the <code>docker0</code> interface we created previously:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config&gt; edit container system\nadmin@example:/config/container/system/&gt; set image ghcr.io/kernelkit/curios:edge\nadmin@example:/config/container/system/&gt; set network interface docker0\nadmin@example:/config/container/system/&gt; set publish 222:22\nadmin@example:/config/container/system/&gt; leave\n</code></pre> <p>Note</p> <p>Ensure you have a network connection to the registry.  If the image cannot be pulled, creation of the container will be put in a queue and be retried every time there is a change in the routing table, e.g., default route is added, and every 60 seconds.</p> <p>Provided the image is downloaded successfully, a new <code>system</code> container now runs behind the docker0 interface, forwarding container port 22 to port 222 on all of the host's interfaces.  (See <code>help publish</code> in the container configuration context for the full syntax.)</p> <p>Available containers can be accessed from admin-exec:</p> <pre><code>admin@example:/&gt; show container\nCONTAINER ID  IMAGE                          COMMAND     CREATED       STATUS       PORTS                 NAMES\n439af2917b44  ghcr.io/kernelkit/curios:edge              41 hours ago  Up 16 hours  0.0.0.0:222-&gt;222/tcp  system\n</code></pre> <p>This is a system container, so you can \"attach\" to it by starting a shell (or logging in with SSH):</p> <pre><code>admin@example:/&gt; container shell system\nroot@439af2917b44:/#\n</code></pre> <p>Notice how the hostname inside the container changes.  By default the container ID (hash) is used, but this can be easily changed:</p> <pre><code>root@439af2917b44:/# exit\nadmin@example:/&gt; configure\nadmin@example:/config/&gt; edit container system\nadmin@example:/config/container/system/&gt; set hostname sys101\nadmin@example:/config/container/system/&gt; leave\nadmin@example:/&gt; container shell system\nroot@sys101:/#\n</code></pre> <p>In fact, the container <code>hostname</code> setting supports the same format specifiers as the host's <code>hostname</code> setting:</p> <ul> <li><code>%i</code>: OS ID, from <code>/etc/os-release</code>, from Menuconfig branding</li> <li><code>%h</code>: Default hostname, from <code>/etc/os-release</code>, from branding</li> <li><code>%m</code>: NIC specific part of base MAC, e.g., to <code>c0-ff-ee</code></li> <li><code>%%</code>: Literal %</li> </ul> <p>The most useful combination is probably <code>\"container-name-%m\"</code>, which in this example give the container hostname <code>container-name-c0-ff-ee</code>.</p>"},{"location":"container/#application-container-nftables","title":"Application Container: nftables","text":"<p>Infix currently does not have a native firewall configuration, and even when it does it will never expose the full capabilities of <code>nftables</code>. For advanced setups, the following is an interesting alternative.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config&gt; edit container nftables\nadmin@example:/config/container/nftables/&gt; set image ghcr.io/kernelkit/curios-nftables:edge\nadmin@example:/config/container/nftables/&gt; set network host\nadmin@example:/config/container/nftables/&gt; set privileged\nadmin@example:/config/container/nftables/&gt; edit mount nftables.conf\nadmin@example:/config/container/nftables/mount/nftables.conf/&gt; set target /etc/nftables.conf\nadmin@example:/config/container/nftables/mount/nftables.conf/&gt; text-editor content\n... interactive editor starts up where you can paste your rules ...\nadmin@example:/config/container/nftables/mount/nftables.conf/&gt; leave\n</code></pre> <p>Notice how we <code>set network host</code>, so the container can see and act on all the host's interfaces, and that we also have to run the container in privileged mode.</p>"},{"location":"container/#application-container-ntpd","title":"Application Container: ntpd","text":"<p>The default NTP server/client in Infix is Chrony, a fully working and capable workhorse for most use-cases.  However, it does not support a feature like multicasting, for that you need ISC ntpd.</p> <p>As we did with <code>nftables</code>, previously, we can use host networking and set up a read-only config file that is bind-mounted into the container's file system and store in the host's <code>startup-config</code>.  However, <code>ntpd</code> also saves clock drift information in <code>/var/lib/ntpd</code>, so we will also use volumes in this example.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config&gt; edit container ntpd\nadmin@example:/config/container/ntpd/&gt; set image ghcr.io/kernelkit/curios-ntpd:edge\nadmin@example:/config/container/ntpd/&gt; set network interface ntpd    # From veth0 above\nadmin@example:/config/container/ntpd/&gt; edit mount ntp.conf\nadmin@example:/config/container/ntpd/mount/ntp.conf/&gt; set target /etc/ntp.conf\nadmin@example:/config/container/ntpd/mount/ntp.conf/&gt; text-editor content\n... interactive editor starts up where you can paste your rules ...\nadmin@example:/config/container/ntpd/mount/ntp.conf/&gt; end\nadmin@example:/config/container/ntpd/&gt; edit volume varlib\nadmin@example:/config/container/ntpd/volume/varlib/&gt; set target /var/lib\nadmin@example:/config/container/ntpd/volume/varlib/&gt; leave\nadmin@example:/&gt; copy running-config startup-config\n</code></pre> <p>The <code>ntp.conf</code> file is stored in the host's <code>startup-config</code> and any state data in the container's <code>/var/lib</code> is retained between reboots and across image upgrades.</p>"},{"location":"container/#advanced","title":"Advanced","text":"<p>This section covers advanced, and sometimes dangerous, topics.  Please read any warnings and always consider the security aspects.</p>"},{"location":"container/#running-host-commands-from-container","title":"Running Host Commands From Container","text":"<p>SSH login with keys is very handy, both remote scripting friendly and secure, but it does require a few extra configuration steps.  The way to set it up is covered in part in SSH Authorized Key.</p> <p>Another insecure approach is to access the host system directly, bypassing the namespaces that make up the boundary between host and container.</p> <p>Caution</p> <p>Please note, this completely demolishes the isolation barrier between container and host operating system.  It is only suitable in situations where the container serves more as a unit of distribution rather than as a separate component of the system.  Strongly recommended to use this only in trusted setups!  Consider also limiting the time frame in which this is active!</p> <p>First, enable Privileged mode, this unlocks the door and allows the container to manage resources on the host system.  An example is the <code>nftables</code> container mentioned previously.</p> <pre><code>admin@example:/config/container/system/&gt; set privileged\n</code></pre> <p>Second, mount the host's <code>/proc/1</code> directory to somewhere inside your container.  Here we pick <code>/1</code>:</p> <pre><code>admin@example:/config/container/system/&gt; edit mount host\nadmin@example:/config/container/system/mount/host/&gt; set source /proc/1\nadmin@example:/config/container/system/mount/host/&gt; set target /1\nadmin@example:/config/container/system/mount/host/&gt; leave\n</code></pre> <p>Third, from inside the container, use the host's PID 1 namespaces with the <code>nsenter</code><sup>3</sup> command to slide through the container's walls.  Here we show two example calls to <code>hostname</code>, first the container's own name and then asking what the hostname is on the host:</p> <pre><code>root@sys101:/# hostname\nsys101\nroot@sys101:/# nsenter -m/1/ns/mnt -u/1/ns/uts -i/1/ns/ipc -n/1/ns/net hostname\nexample\n</code></pre> <p>One use-case for this method is when extending Infix with a management container that connects to other systems.  For some tips on how to control an Infix system this way, see Scripting Infix.</p>"},{"location":"container/#container-requirements","title":"Container Requirements","text":"<p>In addition to general best practices for container images, there are a few more things to consider when targeting embedded systems:</p> <ul> <li>Ensure the image targets the CPU architecture of the target system,    learn more about Multi-platform Builds</li> <li>Follow best practices for naming and tagging, e.g., <code>:latest</code> vs <code>:1.0</code></li> <li>Follow OCI recommendations and layout,    learn more about OCI and Docker Exporters</li> </ul> <p>If the Docker documentation is not enough, there are plenty of guides online with examples on how to create your own container image.  For the more advanced, please see the next section.</p>"},{"location":"container/#advanced-users","title":"Advanced Users","text":"<p>Most people prefer their system containers small, often based on Alpine Linux, or similar, with only a few small applications, including their own, and an SSH server perhaps.  For some developers, even this is too big, so they roll their own from source.  This section is for you.</p> <p>Depending on your needs, here is a checklist:</p> <ul> <li>you need something that can forward signals, e.g.,</li> <li>tini</li> <li>Bash only, or</li> <li>BusyBox init, a classic most embedded developers know, but read on ...</li> <li>a system container only need the bare necessities of a system bringup</li> <li>E.g., BusyBox's init, but not everything</li> <li>Some of the networking is set up by Podman and CNI for you, but      you may want to run a DHCP client?</li> <li>Do not rename interfaces inside the container, use the dedicated      <code>interface_name</code> option in the configuration instead</li> <li>Remember, Podman provides a <code>tmpfs</code> for all critical system paths:      <code>/dev</code>, <code>/dev/shm</code>, <code>/run</code>, <code>/tmp</code>, and <code>/var/tmp</code>, so you don't      need to clean or set up any of these mount points</li> </ul> <p>Examples using <code>tini</code> and BusyBox init are available from the KernelKit curiOS project.  It is a small Buildroot based container image builder that generates OCI compatible image tarballs without any tools from Docker or Podman -- ready-made images exist for testing on both AMD64 and ARM64 targets, as well as <code>docker pull</code> images and and OCI tarballs with SHA256 checksums for integrity checking.</p> <p>Finally, if you build your own version of Infix, and embed OCI tarballs in the system image, then see the tip at the end of Upgrading a Container Image (above).</p> <ol> <li> <p>Something which the container bridge network type does behind the scenes with one end of an automatically created VETH pair.\u00a0\u21a9</p> </li> <li> <p>this does not apply to the admin-exec command <code>container run</code>. This command is intended to be used for testing and evaluating container images.  Such containers are given a private network behind an IP masquerading bridge.\u00a0\u21a9</p> </li> <li> <p>The <code>nsenter</code> program is available from either the util-linux package in Debian/Ubuntu/Mint, or in BusyBox.  Note, however, it may not be enabled by default in BusyBox.\u00a0\u21a9</p> </li> </ol>"},{"location":"developers-guide/","title":"Developer's Guide","text":""},{"location":"developers-guide/#developers-guide","title":"Developer's Guide","text":"<p>Please note, by default the <code>root</code> account is disabled in Infix NETCONF builds.  Meaning, the only way to access the system is with the <code>admin</code> account, which is created based on credentials found in the VPD area -- for Qemu devices this is emulated using <code>qemu_fw_cfg</code>.</p> <p>For developers this can be quite frustrating to be blocked from logging in to debug the system.  So we recommend enabling the <code>root</code> account in the Buildroot <code>make menuconfig</code> system.</p> <pre><code>make menuconfig\n     -&gt; System configuration\n        -&gt; [*]Enable root login with password\n</code></pre> <p>Important</p> <p>Please see the Contributing section, below, for details on how to fork and clone when contributing to Infix.</p>"},{"location":"developers-guide/#cloning","title":"Cloning","text":"<p>When pre-built releases are not enough, for instance when you want to add or modify some Open Source components, you can clone the Infix tree to your PC:</p> <pre><code>$ mkdir ~/Projects; cd ~/Projects\n$ git clone https://github.com/kernelkit/infix.git\n..\n$ cd infix/\n$ git submodule update --init\n..\n</code></pre>"},{"location":"developers-guide/#customer-builds","title":"Customer Builds","text":"<p>Customer builds add product specific device trees, more OSS packages, e.g., Frr and podman, and sometimes integrates proprietary software. What's important to remember, however, is that they are all made by setting up Infix as a GIT submodule, similar to how Infix set up a GIT submodule for Buildroot.</p> <p>So, in addition to using the customer's specific defconfig(s), one must also make sure to update all submodules, otherwise you will likely end up with a broken build.</p> <pre><code>$ ...\n$ git submodule update --init --recursive\n                              ~~~~~~~~~~~\n</code></pre> <p>Other caveats should be documented in the customer specific trees.</p>"},{"location":"developers-guide/#building","title":"Building","text":"<p>Tip</p> <p>For more details, see the Getting Started and System Requirements sections of the excellent Buildroot manual.</p> <p>Buildroot is almost stand-alone, it needs a few locally installed tools to bootstrap itself.  The most common ones are usually part of the base install of the OS, but specific ones for building need the following. The instructions here are for Debian/Ubuntu based systems (YMMV):</p> <pre><code>$ sudo apt install bc binutils build-essential bzip2 cpio \\\n                   diffutils file findutils git gzip      \\\n                   libncurses-dev libssl-dev perl patch   \\\n                   python3 rsync sed tar unzip wget       \\\n                   autopoint bison flex autoconf automake \\\n                   mtools\n</code></pre> <p>To build an Infix image; select the target and then make:</p> <pre><code>make x86_64_defconfig\nmake\n</code></pre> <p>Online help is available:</p> <pre><code>make help\n</code></pre> <p>To see available defconfigs for supported targets, use:</p> <pre><code>make list-defconfigs\n</code></pre>"},{"location":"developers-guide/#test","title":"Test","text":"<p>Working with the regression test framework, Infamy, a few more tools and services are required on your system:</p> <pre><code>$ sudo apt install jq graphviz qemu-system-x86 qemu-system-arm \\\n                   ethtool gdb-multiarch tcpdump tshark\n..\n</code></pre> <p>To be able to build the test specification you also need:</p> <pre><code>$ sudo apt-get install python3-graphviz ruby-asciidoctor-pdf\n..\n</code></pre>"},{"location":"developers-guide/#documentation","title":"Documentation","text":"<p>The documentation is written in Markdown, with GitHub extensions, and published using MkDocs, material theme.  This means some features require MkDocs hinting which may not render fully when previewing on GitHub -- this is OK.</p> <p>MkDocs is packaged and available to install via <code>apt</code>, but not all of the plugins and extensions we rely on are available, so instead we do recommend using <code>pipx</code> to install the necessary tooling:</p> <pre><code>$ sudo apt install pipx\n$ pipx install mkdocs\n$ pipx inject mkdocs mkdocs-material pymdown-extensions mkdocs-callouts mike mkdocs-to-pdf\n</code></pre> <p>The last two packages, <code>mike</code> and <code>mkdocs-to-pdf</code>, are used for online versioning and PDF generation by GitHub Actions, but since they are in the <code>mkdocs.yml</code> file, everyone who wants to preview the documentation have to install all the tooling.</p> <p>Preview with:</p> <pre><code>$ cd ~/src/infix/\n$ mkdocs serve\n</code></pre>"},{"location":"developers-guide/#development","title":"Development","text":"<p>Developing with Infix is the same as developing with Buildroot. When working with a package, be it locally kept sources, or when using <code>local.mk</code>, you only want to rebuild the parts you have modified:</p> <pre><code>make foo-rebuild\n</code></pre> <p>or</p> <pre><code>make foo-reconfigure\n</code></pre> <p>or, as a last resort when nothing seems to bite:</p> <pre><code>make foo-dirclean foo-rebuild\n</code></pre> <p>As shown here, you can combine multiple build targets and steps in one go, like this:</p> <pre><code>make foo-rebuild bar-rebuild all run\n</code></pre> <p>This rebuilds (and installs) <code>foo</code> and <code>bar</code>, the <code>all</code> target calls on Buildroot to finalize the target filesystem and generate the images. The final <code>run</code> argument is explained below.</p>"},{"location":"developers-guide/#yang-model","title":"YANG Model","text":"<p>When making changes to the <code>confd</code> and <code>statd</code> services, you will often need to update the YANG models.  If you are adding a new YANG module, it's best to follow the structure of an existing one.  However, before making any changes, always discuss them with the Infix core team. This helps avoid issues later in development and makes pull request reviews smoother.</p>"},{"location":"developers-guide/#confd","title":"<code>confd</code>","text":"<p>The Infix <code>src/confd/</code> is the engine of the system.  Currently it is a plugin for <code>systemd-plugind</code> and contains XPath subscriptions to all the supported YANG models.</p> <p>There are essentially two ways of adding support for a new YANG model:</p> <ul> <li>The sysrepo way, or</li> <li>The Infix way, using libsrx (the <code>lydx_*()</code> functions)</li> </ul> <p>The former is well documented in sysrepo, and the latter is best taught by example, e.g., <code>src/confd/src/infix-dhcp.c</code>.  Essentially libsrx is a way of traversing the libyang tree instead of fetching changes by XPath.</p> <p>When working with <code>confd</code> you likely want to enable full debug mode, this is how you do it:</p> <ol> <li>Open the file <code>package/confd/confd.conf</code></li> <li>Uncomment the first line <code>set DEBUG=1</code></li> <li>Change the following line to add <code>-v3</code> at the end<pre><code>[S12345] sysrepo-plugind -f -p /run/confd.pid -n -- Configuration daemon\n</code></pre> </li> </ol> <p>to:</p> <pre><code>[S12345] sysrepo-plugind -f -p /run/confd.pid -n -v3 -- Configuration daemon\n</code></pre> <p>Now you can rebuild <code>confd</code>, just as described above, and restart Infix:</p> <pre><code>make confd-rebuild all run\n</code></pre>"},{"location":"developers-guide/#statd","title":"<code>statd</code>","text":"<p>The Infix status daemon, <code>src/statd</code>, is responsible for populating the sysrepo <code>operational</code> datastore. Like <code>confd</code>, it uses XPath subscriptions, but unlike <code>confd</code>, it relies entirely on <code>yanger</code>, a Python script that gathers data from local linux services and feeds it into sysrepo.</p> <p>To apply changes, rebuild the image:</p> <pre><code>make python-statd-rebuild statd-rebuild all\n</code></pre> <p>Rebuilding the image and testing on target for every change during development process can be tedious. Instead, <code>yanger</code> allows remote execution, running the script directly on the host system (test container):</p> <pre><code>infamy0:test # ../src/statd/python/yanger/yanger -x \"../utils/ixll -A ssh d3a\" ieee802-dot1ab-lldp\n</code></pre> <p><code>ixll</code> is a utility script that lets you run network commands using an interface name instead of a hostname. It makes operations like <code>ssh</code>, <code>scp</code>, and network discovery easier.</p> <p>Normally, <code>yanger</code> runs commands locally to retrieve data (e.g., <code>lldpcli</code> when handling <code>ieee802-dot1ab-lldp</code>). However, when executed with <code>-x \"../utils/ixll -A ssh d3a\"</code> it redirects these commands to a remote system connected to the local <code>d3a</code> interface via SSH. This setup is used for running <code>yanger</code> in an interactive test environment. The yanger script runs on the <code>host</code> system, but key commands are executed on the <code>target</code> system.</p> <p>For debugging or testing, you can capture system command output and replay it later without needing a live system.</p> <p>To capture:</p> <pre><code>infamy0:test # ../src/statd/python/yanger/yanger -c /tmp/capture ieee802-dot1ab-lldp\n</code></pre> <p>To replay:</p> <pre><code>infamy0:test # ../src/statd/python/yanger/yanger -r /tmp/capture ieee802-dot1ab-lldp\n</code></pre> <p>This is especially useful when working in isolated environments or debugging issues without direct access to the DUT.</p>"},{"location":"developers-guide/#upgrading-packages","title":"Upgrading Packages","text":""},{"location":"developers-guide/#buildroot","title":"Buildroot","text":"<p>The Kernelkit team maintains an internal fork of Buildroot, with branches following the naming scheme <code>YYYY.MM.patch-kkit</code> e.g. <code>2025.02.1-kkit</code>, which means a new branch should be created whenever Buildroot is updated. These branches should contain only changes to existing packages (but no new patches), modifications to Buildroot itself or upstream backports.</p> <p>The team tracks the latest Buildroot LTS (Long-Term Support) release and updates.  The impact of minor LTS release upgrades is expected to have a very low impact and should be done as soon there is a patch release of a Buildroot LTS available.</p> <p>Depending on your setup, follow the appropriate steps below.</p>"},{"location":"developers-guide/#repo-locally-cloned-already","title":"Repo locally cloned already","text":"<ol> <li> <p>Navigate to the Buildroot directory</p> <pre><code>cd buildroot/\n</code></pre> </li> <li> <p>Pull the latest changes from KernelKit</p> <pre><code>git pull\n</code></pre> </li> <li> <p>Fetch the latest tags from upstream</p> <pre><code>git fetch upstream --tags\n</code></pre> </li> </ol>"},{"location":"developers-guide/#no-local-repo-yet","title":"No local repo yet","text":"<ol> <li> <p>Clone the Kernelkit Buildroot repository</p> <pre><code>git clone git@github.com:kernelkit/buildroot.git\n</code></pre> </li> <li> <p>Add the upstream remote</p> <pre><code>git remote add upstream https://gitlab.com/buildroot.org/buildroot.git\n</code></pre> </li> <li> <p>Checkout old KernelKit branch</p> <pre><code>git checkout 2025.02.1-kkit\n</code></pre> </li> </ol> <p>Note</p> <p>Below, it is not allowed to rebase the branch when bumped in Infix.</p>"},{"location":"developers-guide/#continue-here","title":"Continue Here","text":"<ol> <li> <p>Create a new branch based on the previous KernelKit Buildroot    release (e.g.  <code>2025.02.1-kkit</code>) and name it according to the naming    scheme (e.g. <code>2025.02.2-kkit</code>)</p> <pre><code>git checkout -b 2025.02.2-kkit\n</code></pre> </li> <li> <p>Rebase the new branch onto the corresponding upstream release</p> <pre><code>git rebase 2025.02.2\n</code></pre> </li> <li> <p>Push the new branch and tags</p> <pre><code>git push origin 2025.02.2-kkit --tags\n</code></pre> </li> <li> <p>In Infix, checkout new branch of Buildroot</p> <pre><code>cd buildroot\ngit fetch\ngit checkout 2025.02.2-kkit\n</code></pre> </li> <li> <p>Commit and push the changes.  Remember to update the ChangeLog!</p> </li> <li> <p>Create a pull request.</p> </li> </ol> <p>Note</p> <p>Remember to set the pull request label to <code>ci:main</code> to ensure full CI coverage.</p>"},{"location":"developers-guide/#linux-kernel","title":"Linux kernel","text":"<p>The KernelKit team maintains an internal fork of Linux kernel, with branches following the naming scheme <code>kkit-linux-[version].y</code>, e.g. <code>kkit-6.12.y</code>, which means a new branch should be created whenever the major kernel version is updated. This branch should contain all kernel patches used by Infix.</p> <p>The team tracks the latest Linux kernel LTS (Long-Term Support) release and updates.  The upgrade of LTS minor releases is expected to have low impact and should be done as soon as a patch release of the LTS Linux kernel is available.</p>"},{"location":"developers-guide/#repo-locally-cloned-already_1","title":"Repo locally cloned already","text":"<ul> <li>./utils/kernel-upgrade.sh /path/to/linux/tree</li> <li>Update Changelog</li> <li>push and create a pull request</li> </ul> <p>Note</p> <p>Remember to set the pull request label to <code>ci:main</code> to ensure full CI coverage.</p>"},{"location":"developers-guide/#testing","title":"Testing","text":"<p>Manual testing can be done using Qemu by calling make run, see also Infix in Virtual Environments, or on a physical device by upgrading to the latest build or \"netbooting\" and running the image from RAM.  The latter is how most board porting work is done -- much quicker change-load-test cycles.</p> <p>The Infix automated test suite is built around Qemu and Qeneth, see:</p> <ul> <li>Regression Testing with Infamy</li> <li>Docker Image</li> </ul> <p>With any new feature added to Infix, it is essential to include relevant test case(s).  See the Test Development section for guidance on adding test cases.</p>"},{"location":"developers-guide/#reviewing","title":"Reviewing","text":"<p>While reviewing a pull request, you might find yourself wanting to play around with a VM running that exact version.  For such occasions, gh-dl-artifact.sh is your friend in need!  It employs the GitHub CLI (gh) to locate a prebuilt image from our CI workflow, download it, and prepare a local output directory from which you can launch both <code>make run</code> instances, and run regression tests with <code>make test</code> and friends.</p> <p>For example, if you are curious about how PR 666 behaves in some particular situation, you can use <code>gh</code> to switch to that branch, from which <code>gh-dl-artifact.sh</code> can then download and prepare the corresponding image for execution with our normal tooling:</p> <pre><code>gh pr checkout 666\n./utils/gh-dl-artifact.sh\ncd x-artifact-a1b2c3d4-x86_64\nmake run\n</code></pre> <p>Note</p> <p>CI artifacts are built from a merge commit of the source and target branches.  Therefore, the version in the Infix banner will not match the SHA of the commit you have checked out.</p>"},{"location":"developers-guide/#contributing","title":"Contributing","text":"<p>Infix is built from many components, when contributing you need to set up your own fork, create a local branch for your change, push to your fork, and then use GitHub to create a Pull Reqeuest.</p> <p>For this to work as painlessly as possible for everyone involved:</p> <ol> <li>Fork Infix to your own user or organization<sup>1</sup></li> <li>Fork all the Infix submodules, e.g., <code>kernelkit/buildroot</code> to your     own user or organization as well</li> <li>Clone your fork of Infix to your laptop/workstation</li> <li>Deactivate the Actions you don't want in your fork</li> <li>Please read the Contributing Guidelines as well!</li> </ol> <pre><code>$ cd ~/Projects\n$ git clone https://github.com/YOUR_USER_NAME/infix.git\n...\n$ cd infix/\n$ git submodule update --init\n...\n</code></pre> <p>Note</p> <p>When updating/synchronizing with upstream Infix changes you may have to synchronize your forks as well.  GitHub have a <code>Sync fork</code> button in the GUI for your fork for this purpose.  A cronjob on your server of choice can do this for you with the GitHub CLI tool.</p> <ol> <li> <p>Organizations should make sure to lock the <code>main</code> (or <code>master</code>) branch of their clones to ensure members do not accidentally merge changes there.  Keeping these branches in sync with upstream Infix is highly recommended as a baseline and reference.  For integration of local changes another company-specific branch can be used instead.\u00a0\u21a9</p> </li> </ol>"},{"location":"dhcp/","title":"DHCP Server","text":""},{"location":"dhcp/#dhcp-server","title":"DHCP Server","text":"<p>The DHCPv4 server provides automatic IP address assignment and network configuration for clients.  It supports address pools, static host assignments, and customizable DHCP options.  It also serves as a DNS proxy for local subnets and can even forward queries to upstream DNS servers<sup>1</sup>.</p> <p>Note</p> <p>When using the CLI, the system automatically enables essential options like DNS servers and default gateway based on the system's network configuration.  These options can be disabled, changed or overridden, at any level: global, subnet, or per-host.</p>"},{"location":"dhcp/#basic-configuration","title":"Basic Configuration","text":"<p>The following example configures a DHCP server for subnet 192.168.2.0/24 with an address pool:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit dhcp-server subnet 192.168.2.0/24\nadmin@example:/config/dhcp-server/\u2026/192.168.2.0/24/&gt; set pool start-address 192.168.2.100 end-address 192.168.2.200\nadmin@example:/config/dhcp-server/\u2026/192.168.2.0/24/&gt; leave\n</code></pre> <p>When setting up the server from the CLI, the system automatically adds a few default DHCP options that will be sent to clients: both DNS server and default gateway will use the system address on the matching interface.</p> <pre><code>admin@example:/&gt; show running-config\n  \"infix-dhcp-server:dhcp-server\": {\n    \"subnet\": [\n      {\n        \"subnet\": \"192.168.2.0/24\",\n        \"option\": [\n          {\n            \"id\": \"dns-server\",\n            \"address\": \"auto\"\n          },\n          {\n            \"id\": \"router\",\n            \"address\": \"auto\"\n          }\n        ],\n        \"pool\": {\n          \"start-address\": \"192.168.2.100\",\n          \"end-address\": \"192.168.2.200\"\n        }\n      }\n    ]\n  }\n</code></pre> <p>Important</p> <p>Remember to set up an interface in this subnet, avoid using addresses in the DHCP pool, or reserved for static hosts.  In Class C networks the router usually has address <code>.1</code>.  Depending on the use-case, you may also want to set up routing.</p>"},{"location":"dhcp/#static-host-assignment","title":"Static Host Assignment","text":"<p>To reserve specific IP addresses for clients based on their MAC address, hostname, or client ID:</p> <pre><code>admin@example:/config/dhcp-server/\u2026/192.168.2.0/24/&gt; edit host 192.168.2.10\nadmin@example:/config/dhcp-server/\u2026/192.168.2.10/&gt; set match mac-address 00:11:22:33:44:55\nadmin@example:/config/dhcp-server/\u2026/192.168.2.10/&gt; set hostname printer\nadmin@example:/config/dhcp-server/\u2026/192.168.2.10/&gt; leave\n</code></pre> <p>Match hosts using a client identifier instead of MAC address:</p> <pre><code>admin@example:/config/dhcp-server/\u2026/192.168.1.0/24/&gt; edit host 192.168.1.50\nadmin@example:/config/dhcp-server/\u2026/192.168.1.50/&gt; edit match\nadmin@example:/config/dhcp-server/\u2026/match/&gt; set client-id hex c0:ff:ee\nadmin@example:/config/dhcp-server/\u2026/match/&gt; leave\nadmin@example:/config/dhcp-server/\u2026/192.168.1.50/&gt; set lease-time infinite\nadmin@example:/config/dhcp-server/\u2026/192.168.1.50/&gt; leave\n</code></pre> <p>The <code>hex</code> prefix here ensures matching of client ID is done using the hexadecimal octets <code>c0:ff:ee</code>, three bytes.  Without the prefix the ASCII string \"c0:ff:ee\", eight bytes, is used.</p> <p>Note</p> <p>The DHCP server is fully RFC conformant, in the case of option 61 this means that using the <code>hex</code> prefix will require the client to set the <code>htype</code> field of the option to <code>00</code>.  See RFC 2132 for details.</p>"},{"location":"dhcp/#custom-dhcp-options","title":"Custom DHCP Options","text":"<p>Configure additional DHCP options globally, per subnet, or per host:</p> <pre><code>admin@example:/config/dhcp-server/&gt; edit subnet 192.168.2.0/24\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/&gt; edit option dns-server\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/option/dns-server/&gt; set address 8.8.8.8\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/option/dns-server/&gt; leave\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/&gt; edit option ntp-server\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/option/ntp-server/&gt; set address 192.168.2.1\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/option/ntp-server/&gt; leave\n</code></pre> <p>When configuring, e.g., <code>dns-server</code>, or <code>router</code> options with the value <code>auto</code>, the system uses the IP address from the interface matching the subnet.  For example:</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv4                   192.168.1.1/24 (static)\neth1            ethernet   UP          02:00:00:00:00:01\n                ipv4                   192.168.2.1/24 (static)\n\nadmin@example:/config/dhcp-server/subnet/192.168.1.0/24/&gt; edit option dns-server\nadmin@example:/config/dhcp-server/subnet/192.168.1.0/24/option/dns-server/&gt; set address auto\nadmin@example:/config/dhcp-server/subnet/192.168.1.0/24/option/dns-server/&gt; leave\n</code></pre> <p>In this case, clients in subnet 192.168.1.0/24 will receive 192.168.1.1 as their DNS server address.</p>"},{"location":"dhcp/#multiple-subnets","title":"Multiple Subnets","text":"<p>Configure DHCP for multiple networks:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit dhcp-server\nadmin@example:/config/dhcp-server/&gt; edit subnet 192.168.1.0/24\nadmin@example:/config/dhcp-server/subnet/192.168.1.0/24/&gt; set pool start-address 192.168.1.100 end-address 192.168.1.200\nadmin@example:/config/dhcp-server/subnet/192.168.1.0/24/&gt; leave\nadmin@example:/config/dhcp-server/&gt; edit subnet 192.168.2.0/24\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/&gt; set pool start-address 192.168.2.100 end-address 192.168.2.200\nadmin@example:/config/dhcp-server/subnet/192.168.2.0/24/&gt; leave\n</code></pre>"},{"location":"dhcp/#monitoring","title":"Monitoring","text":"<p>View active leases and server statistics:</p> <pre><code>admin@example:/&gt; show dhcp-server\nIP ADDRESS       MAC                HOSTNAME            CLIENT ID             EXPIRES\n192.168.2.22     00:a0:85:00:02:05                      00:c0:ff:ee           3591s\n192.168.1.11     00:a0:85:00:04:06  foo                 01:00:a0:85:00:04:06  3591s\n\nadmin@example:/&gt; show dhcp-server statistics\nDHCP offers sent                : 6\nDHCP ACK messages sent          : 5\nDHCP NAK messages sent          : 0\nDHCP decline messages received  : 0\nDHCP discover messages received : 6\nDHCP request messages received  : 5\nDHCP release messages received  : 6\nDHCP inform messages received   : 6\n</code></pre> <ol> <li> <p>This requires the system DNS resolver to be configured.\u00a0\u21a9</p> </li> </ol>"},{"location":"discovery/","title":"Device Discovery","text":""},{"location":"discovery/#device-discovery","title":"Device Discovery","text":"<p>Infix advertises itself via the mDNS-SD and LLDP discovery protocols.  mDNS-SD has good client support in Windows, macOS and on Linux systems.  More on these protocols later.</p> <p>An even simpler method is available when directly attached to an Infix device:</p> <pre><code>.----.       Ethernet      .--------.\n| PC +---------------------+ Device |\n'----' if1              e1 '--------'\n</code></pre> <p>With IPv6 you can ping the all-hosts address (ff02::1), the device's link-local IPv6 address is then seen in the response.  In the following example, the PC here uses tap0 as if1, Infix responds with address fe80::ff:fec0:ffed.</p> <pre><code>linux-pc:# ping -6 -L -c 3 ff02::1%tap0\nPING ff02::1%tap0(ff02::1%tap0) 56 data bytes\n64 bytes from fe80::ff:fec0:ffed%tap0: icmp_seq=1 ttl=64 time=0.558 ms\n64 bytes from fe80::ff:fec0:ffed%tap0: icmp_seq=2 ttl=64 time=0.419 ms\n64 bytes from fe80::ff:fec0:ffed%tap0: icmp_seq=3 ttl=64 time=0.389 ms\n\n--- ff02::1%tap0 ping statistics ---\n3 packets transmitted, 3 received, 0% packet loss, time 2043ms\nrtt min/avg/max/mdev = 0.389/0.455/0.558/0.073 ms\nlinux-pc:# \n</code></pre> <p>Tip</p> <p>The <code>-L</code> option ignores local responses from the PC.</p> <p>This address can then be used to connect to the device, e.g., using SSH. Notice the syntax <code>username@address%interface</code>:</p> <pre><code>linux-pc:# ssh admin@fe80::ff:fec0:ffed%tap0\nadmin@fe80::ff:fec0:ffed%tap0's password: admin\nadmin@infix-c0-ff-ee:~$ \n</code></pre>"},{"location":"discovery/#lldp","title":"LLDP","text":"<p>Infix supports LLDP (IEEE 802.1AB). For a device with factory default settings, the link-local IPv6 address can be read from the Management Address TLV using tcpdump or other sniffing tools<sup>1</sup>:</p> <pre><code>linux-pc:# tcpdump -i tap0 -Qin -v ether proto 0x88cc\ntcpdump: listening on tap0, link-type EN10MB (Ethernet), snapshot length 262144 bytes\n15:51:52.061071 LLDP, length 193\n    Chassis ID TLV (1), length 7\n      Subtype MAC address (4): 02:00:00:c0:ff:ee (oui Unknown)\n    Port ID TLV (2), length 7\n      Subtype MAC address (3): 02:00:00:c0:ff:ee (oui Unknown)\n    Time to Live TLV (3), length 2: TTL 120s\n    System Name TLV (5), length 14: infix-c0-ff-ee\n    System Description TLV (6), length 91\n      Infix by KernelKit Linux 5.19.17 #1 SMP PREEMPT_DYNAMIC Wed Jun 7 08:47:23 CEST 2023 x86_64\n    System Capabilities TLV (7), length 4\n      System  Capabilities [Bridge, WLAN AP, Router, Station Only] (0x009c)\n      Enabled Capabilities [Station Only] (0x0080)\n    Management Address TLV (8), length 24\n      Management Address length 17, AFI IPv6 (2): fe80::ff:fec0:ffed\n      Interface Index Interface Numbering (2): 2\n    Port Description TLV (4), length 4: eth0\n    Organization specific TLV (127), length 9: OUI IEEE 802.3 Private (0x00120f)\n      Link aggregation Subtype (3)\n        aggregation status [supported], aggregation port ID 0\n    Organization specific TLV (127), length 9: OUI IEEE 802.3 Private (0x00120f)\n      MAC/PHY configuration/status Subtype (1)\n        autonegotiation [none] (0x00)\n        PMD autoneg capability [unknown] (0x8000)\n        MAU type Unknown (0x0000)\n    End TLV (0), length 0\n^C\n1 packet captured\nlinux-pc:# \n</code></pre> <p>If the device has an IPv4 address assigned, it is shown in an additional Management Address TLV.</p> <p>Note</p> <p>The Management Addresses shown by LLDP are not necessarily associated with the port transmitting the LLDP message.</p> <p>In the example below, the IPv4 address (10.0.1.1) happens to be assigned to eth0, while the IPv6 address (2001:db8::1) is not.</p> <pre><code>linux-pc:# sudo tcpdump -i tap0 -Qin -v ether proto 0x88cc\ntcpdump: listening on tap0, link-type EN10MB (Ethernet), snapshot length 262144 bytes\n15:46:07.908665 LLDP, length 207\n    Chassis ID TLV (1), length 7\n      Subtype MAC address (4): 02:00:00:c0:ff:ee (oui Unknown)\n    Port ID TLV (2), length 7\n      Subtype MAC address (3): 02:00:00:c0:ff:ee (oui Unknown)\n    Time to Live TLV (3), length 2: TTL 120s\n    System Name TLV (5), length 14: infix-c0-ff-ee\n    System Description TLV (6), length 91\n      Infix by KernelKit Linux 5.19.17 #1 SMP PREEMPT_DYNAMIC Wed Jun 7 08:47:23 CEST 2023 x86_64\n    System Capabilities TLV (7), length 4\n      System  Capabilities [Bridge, WLAN AP, Router, Station Only] (0x009c)\n      Enabled Capabilities [Station Only] (0x0080)\n    Management Address TLV (8), length 12\n      Management Address length 5, AFI IPv4 (1): 10.0.1.1\n      Interface Index Interface Numbering (2): 2\n    Management Address TLV (8), length 24\n      Management Address length 17, AFI IPv6 (2): 2001:db8::1\n      Interface Index Interface Numbering (2): 3\n    Port Description TLV (4), length 4: eth0\n    Organization specific TLV (127), length 9: OUI IEEE 802.3 Private (0x00120f)\n      Link aggregation Subtype (3)\n        aggregation status [supported], aggregation port ID 0\n    Organization specific TLV (127), length 9: OUI IEEE 802.3 Private (0x00120f)\n      MAC/PHY configuration/status Subtype (1)\n        autonegotiation [none] (0x00)\n        PMD autoneg capability [unknown] (0x8000)\n        MAU type Unknown (0x0000)\n    End TLV (0), length 0\n^C\n1 packet captured\n2 packets received by filter\n0 packets dropped by kernel\nlinux-pc:#\n</code></pre> <p>The following capabilities are available via NETCONF/RESTCONF or the Infix CLI.</p>"},{"location":"discovery/#lldp-enabledisable","title":"LLDP Enable/Disable","text":"<p>The LLDP service can be disabled using the following commands.</p> <pre><code>admin@infix-c0-ff-ee:/&gt; configure\nadmin@infix-c0-ff-ee:/config/&gt; no lldp \nadmin@infix-c0-ff-ee:/config/&gt; leave\nadmin@infix-c0-ff-ee:/&gt; \n</code></pre> <p>To reenable it from the CLI config mode:</p> <pre><code>admin@test-00-01-00:/config/&gt; set lldp enabled \nadmin@test-00-01-00:/config/&gt; leave\n</code></pre>"},{"location":"discovery/#lldp-message-transmission-interval","title":"LLDP Message Transmission Interval","text":"<p>By default, LLDP uses a <code>message-tx-interval</code> of 30 seconds, as defined by the IEEE standard. Infix allows this value to be customized. To change it using the CLI:</p> <pre><code>admin@test-00-01-00:/config/&gt; set lldp message-tx-interval 1\nadmin@test-00-01-00:/config/&gt; leave\n</code></pre>"},{"location":"discovery/#lldp-administrative-status-per-interface","title":"LLDP Administrative Status per Interface","text":"<p>Infix supports configuring the LLDP administrative status on a per-port basis. The default mode is <code>tx-and-rx</code>, but the following options are  also supported:</p> <ul> <li><code>rx-only</code> \u2013 Receive LLDP packets only</li> <li><code>tx-only</code> \u2013 Transmit LLDP packets only</li> <li><code>disabled</code> \u2013 Disable LLDP on the interface</li> </ul> <p>Example configuration:</p> <pre><code>admin@test-00-01-00:/config/&gt; set lldp port e8 dest-mac-address 01:80:C2:00:00:0E admin-status disabled\nadmin@test-00-01-00:/config/&gt; set lldp port e5 dest-mac-address 01:80:C2:00:00:0E admin-status rx-only \nadmin@test-00-01-00:/config/&gt; set lldp port e6 dest-mac-address 01:80:C2:00:00:0E admin-status tx-only\nadmin@test-00-01-00:/config/&gt; leave\n</code></pre> <p>Note</p> <p>The destination MAC address must be the standard LLDP multicast  address: <code>01:80:C2:00:00:0E</code>.</p>"},{"location":"discovery/#displaying-lldp-neighbor-information","title":"Displaying LLDP Neighbor Information","text":"<p>In CLI mode, Infix also provides a convenient <code>show lldp</code> command to list LLDP neighbors detected on each interface:</p> <pre><code>admin@test-00-01-00:/&gt; show lldp \nINTERFACE       REM-IDX   TIME        CHASSIS-ID          PORT-ID             \ne5              1         902         00:a0:85:00:04:01   00:a0:85:00:04:07   \ne6              3         897         00:a0:85:00:03:01   00:a0:85:00:03:07   \ne8              2         901         00:a0:85:00:02:01   00:a0:85:00:02:05\n</code></pre>"},{"location":"discovery/#mdns-sd","title":"mDNS-SD","text":"<p>DNS-SD/mDNS-SD can be used to discover Infix devices and services.  By default, Infix use the <code>.local</code> domain for advertising services.  Some networks use <code>.lan</code> instead, so this configurable:</p> <pre><code>admin@infix-c0-ff-ee:/&gt; configure\nadmin@infix-c0-ff-ee:/config/&gt; edit mdns\nadmin@infix-c0-ff-ee:/config/mdns/&gt; set domain lan\n</code></pre> <p>Other available settings include limiting the interfaces mDNS responder acts on:</p> <pre><code>admin@infix-c0-ff-ee:/config/&gt; set interfaces allow e1\n</code></pre> <p>or</p> <pre><code>admin@infix-c0-ff-ee:/config/&gt; set interfaces deny wan\n</code></pre> <p>The <code>allow</code> and <code>deny</code> settings are complementary, <code>deny</code> always wins.</p> <p>In Linux, tools such as avahi-browse or mdns-scan<sup>2</sup> can be used to search for devices advertising their services via mDNS.</p> <pre><code>linux-pc:# avahi-browse -ar\n+   tap0 IPv6 infix-c0-ff-ee                                SFTP File Transfer   local\n+   tap0 IPv4 infix-c0-ff-ee                                SFTP File Transfer   local\n+   tap0 IPv6 infix-c0-ff-ee                                SSH Remote Terminal  local\n+   tap0 IPv4 infix-c0-ff-ee                                SSH Remote Terminal  local\n=   tap0 IPv4 infix-c0-ff-ee                                SFTP File Transfer   local\n   hostname = [infix-c0-ff-ee.local]\n   address = [10.0.1.1]\n   port = [22]\n   txt = []\n=   tap0 IPv4 infix-c0-ff-ee                                SSH Remote Terminal  local\n   hostname = [infix-c0-ff-ee.local]\n   address = [10.0.1.1]\n   port = [22]\n   txt = []\n=   tap0 IPv6 infix-c0-ff-ee                                SFTP File Transfer   local\n   hostname = [infix-c0-ff-ee.local]\n   address = [fe80::ff:fec0:ffed]\n   port = [22]\n   txt = []\n=   tap0 IPv6 infix-c0-ff-ee                                SSH Remote Terminal  local\n   hostname = [infix-c0-ff-ee.local]\n   address = [fe80::ff:fec0:ffed]\n   port = [22]\n   txt = []\n^C\nlinux-pc:#\n</code></pre> <p>Tip</p> <p>The <code>-t</code> option is also very useful, it stops browsing automatically when a \"more or less complete list\" has been printed.  However, some devices on the LAN may be in deep sleep so run the command again if you cannot find the device you are looking for.</p> <p>Additionally, avahi-resolve-host-name can be used to verify domain name mappings for IP addresses.  By default, it translates from IPv4 addresses.  This function allows users to confirm that addresses are mapped correctly.</p> <pre><code>linux-pc:# avahi-resolve-host-name infix-c0-ff-ee.local\ninfix-c0-ff-ee.local    10.0.1.1\nlinux-pc:#\n</code></pre> <p>Thanks to mDNS we can use the advertised name instead of the IP address for operations like <code>ping</code> and <code>ssh</code> as shown below:</p> <pre><code>linux-pc:# ping infix-c0-ff-ee.local -c 3\nPING infix-c0-ff-ee.local (10.0.1.1) 56(84) bytes of data.\n64 bytes from 10.0.1.1: icmp_seq=1 ttl=64 time=0.852 ms\n64 bytes from 10.0.1.1: icmp_seq=2 ttl=64 time=1.12 ms\n64 bytes from 10.0.1.1: icmp_seq=3 ttl=64 time=1.35 ms\n\n--- infix-c0-ff-ee.local ping statistics ---\n3 packets transmitted, 3 received, 0% packet loss, time 2003ms\nrtt min/avg/max/mdev = 0.852/1.105/1.348/0.202 ms\n\nlinux-pc:# ssh admin@infix-c0-ff-ee.local\n(admin@infix-c0-ff-ee.local) Password: \n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-\n\nRun the command 'cli' for interactive OAM\n\nlinux-pc:#\n</code></pre> <p>To disable mDNS/mDNS-SD, type the commands:</p> <pre><code>admin@infix-c0-ff-ee:/&gt; configure \nadmin@infix-c0-ff-ee:/config/&gt; no mdns\nadmin@infix-c0-ff-ee:/config/&gt; leave\n</code></pre>"},{"location":"discovery/#human-friendly-hostname-alias","title":"Human-Friendly Hostname Alias","text":"<p>Each Infix deviuce advertise itself as infix.local, in addition to its full hostname (e.g., infix-c0-ff-ee.local or foo.local).  This alias works seamlessly on a network with a single Infix device, and makes it easy to connect when the exact hostname is not known in advance.  The examples below show how the alias can be used for actions such as pinging or establishing an SSH connection:</p> <pre><code>linux-pc:# ping infix.local -c 3\nPING infix.local (10.0.1.1) 56(84) bytes of data.\n64 bytes from 10.0.1.1: icmp_seq=1 ttl=64 time=0.751 ms\n64 bytes from 10.0.1.1: icmp_seq=2 ttl=64 time=2.28 ms\n64 bytes from 10.0.1.1: icmp_seq=3 ttl=64 time=1.42 ms\n\n--- infix.local ping statistics ---\n3 packets transmitted, 3 received, 0% packet loss, time 2003ms\nrtt min/avg/max/mdev = 0.751/1.482/2.281/0.626 ms\n\nlinux-pc:# ssh admin@infix.local\n(admin@infix.local) Password: \n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-\n\nRun the command 'cli' for interactive OAM\n\nadmin@infix-c0-ff-ee:~$\n</code></pre> <p>When multiple Infix devices are present on the LAN the alias will not uniquely identify a device; infix.local will refer to any of the Infix devices, likely the one that first appeared.</p> <p>Note</p> <p>When multiple Infix devices are present on the LAN, use the full name, e.g., infix-c0-ff-ee.local or foo.local rather than the alias infix.local to deterministically connect to the device.</p>"},{"location":"discovery/#browse-network-using-networklocal","title":"Browse Network Using network.local","text":"<p>Another mDNS alias that all Infix devices advertise is network.local. This is a web service which basically runs <code>avahi-browse</code> and displays a table of other Infix devices and their services.</p> <p></p> <p>With multiple Infix devices on the LAN, one will take the role of your portal to access all others, if it goes down another takes its place.</p> <p>To disable the netbrowse service, and the network.local alias, the following commands can be used:</p> <pre><code>admin@infix-c0-ff-ee:/&gt; configure \nadmin@infix-c0-ff-ee:/config/&gt; edit web\nadmin@infix-c0-ff-ee:/config/web/&gt; no netbrowse\nadmin@infix-c0-ff-ee:/config/web/&gt; leave\n</code></pre> <ol> <li> <p>E.g., lldpd which includes the lldpcli too, handy to sniff and display LLDP packets.\u00a0\u21a9</p> </li> <li> <p>mdns-scan: a tool for scanning for mDNS/DNS-SD services on the local network.\u00a0\u21a9</p> </li> </ol>"},{"location":"eth-counters/","title":"RMON Counters","text":""},{"location":"eth-counters/#rmon-counters","title":"RMON Counters","text":"<p>This document show the mapping between YANG and Linux / Ethtool counters.</p> YANG Linux / Ethtool <code>in-total-octets</code> <code>FramesReceivedOK</code>, <code>FrameCheckSequenceErrors</code>, <code>FramesLostDueToIntMACRcvError</code>, <code>AlignmentErrors</code>, <code>etherStatsOversizePkts</code>, <code>etherStatsJabbers</code> <code>in-frames</code> <code>FramesReceivedOK</code> <code>in-multicast-frames</code> <code>MulticastFramesReceivedOK</code> <code>in-broadcast-frames</code> <code>BroadcastFramesReceivedOK</code> <code>in-error-fcs-frames</code> <code>FrameCheckSequenceErrors</code> <code>in-error-undersize-frames</code> <code>undersize_pkts</code> <code>in-error-oversize-frames</code> <code>etherStatsJabbers</code>, <code>etherStatsOversizePkts</code> <code>in-error-mac-internal-frames</code> <code>FramesLostDueToIntMACRcvError</code> <code>out-frames</code> <code>FramesTransmittedOK</code> <code>out-multicast-frames</code> <code>MulticastFramesXmittedOK</code> <code>out-broadcast-frames</code> <code>BroadcastFramesXmittedOK</code> <code>infix-eth:out-good-octets</code> <code>OctetsTransmittedOK</code> <code>infix-eth:in-good-octets</code> <code>OctetsReceivedOK</code>"},{"location":"firewall/","title":"Firewall Configuration","text":""},{"location":"firewall/#firewall-documentation","title":"Firewall Documentation","text":""},{"location":"firewall/#introduction","title":"Introduction","text":"<p>A zone-based firewall aims to simplify network security.  Instead of complex per-interface rules, you work with zones and policies.  Briefly, zones define a level of trust for all interfaces or networks assigned to it, and policies regulate the traffic flow between zones.</p> <p></p> <p>Figure 1. Zones group interfaces, policies control traffic flows.</p> <p>Three distinct traffic flows exist: traffic destined for the host itself, traffic between interfaces within the same zone (intra-zone), and traffic between different zones (inter-zones).</p> <p>The zone approach is not just more intuitive and maintainable, it allows you to think more in terms of trust relationships:</p> <ul> <li>\"internal networks can access the Internet\"</li> <li>\"Internet cannot access my internal network, except this port forward\"</li> </ul> <p>When you add new interfaces to existing zones, they automatically inherit the established security policies.  The amount of actual rules that matter to you is kept to a minimum.</p> <p>Impatient and ready to get going?</p> <p>Fast forward to the Examples: End Device, Home/Office Router, Enterprise Gateway</p>"},{"location":"firewall/#visual-overview","title":"Visual Overview","text":"<p>Use the zone matrix to quickly audit your firewall configuration and identify potential security gaps.  It provides an overview and shows the relationship between zones and the policies that connect them.  Each cell in the matrix represents a potential traffic flow, with rows indicating the ingress zone and columns the egress zone.</p> <p></p> <p>Figure 2. Example output from show firewall command.</p> <p>The matrix uses visual indicators to show the status of each zone and policy:</p> <p>\u2713 Green checkmark \u2014 traffic is explicitly allowed by policy \u2717 Red cross \u2014 traffic is blocked (default behavior) \u26a0 Yellow warning \u2014 watch out! Some traffic allowed, such as port forwarding rules</p> <p>This visualization helps you quickly understand your firewall's behavior and identify any unintended gaps or overly permissive rules in your configuration.</p> <p>Use the ? key in the CLI</p> <p>This admin-exec (top-level) CLI command has sub-commands that you can use to drill down on the operational data.  Tap the ? key once to see an overview after show firewall, or just use the classic UNIX Tab key to complete everything until you've found your command.</p>"},{"location":"firewall/#zones","title":"Zones","text":"<p>Zones are logical groupings of network interfaces or IP networks that share the same trust level.  Each zone has a default action that determines what happens to traffic destined for the host itself (INPUT chain).  A LAN zone may have this set to accept, while a DMZ zone may be set to reject by default and only allow a subset of available services (e.g., DHCP, DNS, SSH) that devices in the DMZ can use to reach the host.</p> <p>Important</p> <p>Interfaces and networks are mutually exclusive in zones \u2014 attempting to configure both will result in a validation error.  When setting up port forwarding from one zone to another, the destination network must be declared in a zone.</p>"},{"location":"firewall/#default-zone","title":"Default Zone","text":"<p>You must specify a default zone.  This serves as a safety net: any interface not explicitly assigned to a zone automatically belongs to the default zone, ensuring network interfaces remain protected by the firewall.  This automatic assignment is particularly useful when configuring new interfaces (e.g., VLANs, bridges, or hotplugged devices).</p> <p>Choose your default zone carefully \u2014 it should be the most restrictive zone appropriate for unmanaged interfaces.  For routers, this is typically the <code>wan</code> zone, but you can of course also set up a dedicated <code>block</code> zone. In the CLI, when first enabling the firewall, a <code>public</code> zone is created.  See more about this in the example below.</p> <p>Remember IP forwarding on interfaces!</p> <p>Firewall policies only control whether traffic is allowed on input, to be forwarded, or blocked (default).  For the actual routing between interfaces to work, you must also enable IP forwarding on the relevant interfaces.</p>"},{"location":"firewall/#intra-zone-traffic","title":"Intra-Zone Traffic","text":"<p>Traffic between different interfaces, or networks, in the same zone is not forwarded by default.  In most cases, if devices on separate interfaces need to communicate, they should be in different zones with a policy between them. Alternatively, if you want true LAN-like behavior, bridge the interfaces at layer-2 instead of routing between them at layer-3.</p> <p>Intra-zone forwarding \u2014 routing traffic within a single zone \u2014 is rarely needed.  But if you do require it, create a policy where both ingress and egress are set to the same zone, e.g., <code>lan</code> \u2192 <code>lan</code>.</p>"},{"location":"firewall/#port-forwarding","title":"Port Forwarding","text":"<p>Port forwarding, also known as destination NAT (DNAT), redirects inbound traffic to another address and/or port.  This allows external access to internal services.  See Enterprise Gateway for an example.</p> <p>Each zone can have port forwarding rules that apply to traffic arriving at that zone's interfaces or matching its networks.  The forwarded traffic must then be allowed by appropriate policies to reach the destination zone.</p> <p>The Zone Matrix shows a \u26a0 conditional warning flag, coloring the cell yellow, when exceptions like port forwarding are active.</p>"},{"location":"firewall/#policies","title":"Policies","text":"<p>In short, policy rules control traffic between zones.  By default all inter-zone (and intra-zone) traffic is rejected.  Meaning you must explicitly allow the traffic flows you intend.</p> <p></p> <p>Figure 3. Example of common traffic flows (policies) between zones.</p> <p>IP masquerading (SNAT) is a policy setting that applies to traffic egressing a target zone.  (Essential for Internet access from private networks.)</p> <p>A policy, like zones, have a default action.  If it is not set to <code>accept</code> you must specify which services on the host any zone interface and network are allowed access to.</p> <p>Note</p> <p>Policy rules apply in-order, the first matching rule with action <code>drop</code> will terminate the traffic flow.  Use action <code>continue</code> to allow processing to go to the next rule, until the last (implicit) default-drop rule at the end.</p> <p>The CLI currently does not support reordering rules.  As a workaround, save your <code>running-config</code> to <code>startup-config</code>, then exit to the shell and edit the file with <code>edit /cfg/startup-config.cfg</code>.</p> <p>See the examples below for how to set up a policy.  The built-in help system can also be useful: <code></code></p><pre><code>admin@example:/config/firewall/policy/lan-to-dmz/&gt; help masquerade\nNAME\n        masquerade \nDESCRIPTION\n        Enable masquerading (SNAT) for traffic matching this policy.\n        Matching traffic will have their source IP address changed on egress,\n        using the IP address of the interface the traffic egresses.\";\nadmin@example:/config/firewall/policy/lan-to-dmz/&gt;\n</code></pre><p></p>"},{"location":"firewall/#symbolic-names","title":"Symbolic Names","text":"<p>The symbolic names <code>HOST</code> and <code>ANY</code> are available for use in both <code>ingress</code> and <code>egress</code> zones.  In fact, the CLI uses inference when first enabling the firewall to inject a default policy to allow automatic IPv6 address assignment.</p> <ul> <li><code>HOST</code> \u2192 <code>ANY</code>: Control device to any outbound connection (default: allowed)</li> <li><code>ANY</code> \u2192 <code>HOST</code>: Control what can reach device services (uncommon, usually per-zone)</li> <li>Zone \u2192 <code>HOST</code>: Allow specific zone to access device services</li> </ul>"},{"location":"firewall/#custom-filters","title":"Custom Filters","text":"<p>For more advanced firewall scenarios custom filters can be used.  Currently only various ICMP type traffic control is supported.  Enough to support the built-in <code>allow-host-ipv6</code> policy and allow certain ICMP types on input or forward.</p> <p>You can inspect this built-in (locked) policy from admin-exec level with the command: show firewall policy allow-host-ipv6.</p>"},{"location":"firewall/#default-behavior","title":"Default Behavior","text":"<p>ICMP messages (particularly <code>echo-request</code> and <code>echo-reply</code>) can be used to reveal network information for malicious purposes. Therefore, the firewall blocks ICMP requests by default. This applies unless the zone's default action is <code>accept</code>.</p> <p>To enable <code>echo-request</code> (IPv4) for any interface, or per zone when action is set to drop or reject, set up a dedicated policy with <code>ingress ANY</code> and <code>egress HOST</code> that use a custom filter to accept that ICMP type.  Make this policy the first rule in your list of policies, and remember to use <code>continue</code> for non-matching traffic.</p> <p>Another built-in behavior is automatically allowing \"established,related\" return traffic flows. This uses connection tracking - the firewall remembers outbound connections you initiate and automatically allows the corresponding inbound response traffic. This means you only need to configure rules for new connections; the firewall handles return traffic automatically without additional rules.</p>"},{"location":"firewall/#services","title":"Services","text":"<p>Several pre-defined services exist, that cover most use-cases, but you can also define custom services for applications not covered by the built-in ones.</p> <p>The firewall includes over 100 pre-defined services, such as:</p> <ul> <li><code>ssh</code> \u2014 Secure Shell (port 22/tcp)</li> <li><code>http</code> \u2014 Web traffic (port 80/tcp)</li> <li><code>https</code> \u2014 Secure web traffic (port 443/tcp)</li> <li><code>dns</code> \u2014 Domain Name System (port 53/tcp and 53/udp)</li> <li><code>dhcp</code> \u2014 DHCP server (port 67/udp)</li> <li><code>dhcpv6-client</code> \u2014 DHCPv6 client traffic</li> <li><code>netconf</code> \u2014 Network Configuration Protocol (port 830/tcp)</li> <li><code>restconf</code> \u2014 REST-based Network Configuration Protocol (port 443/tcp)</li> </ul> <p>Use the ? key in the CLI</p> <p>See the YANG model for the full list, or tap the ? key when setting up an allowed host service in a zone <code>set service</code></p>"},{"location":"firewall/#examples","title":"Examples","text":""},{"location":"firewall/#end-device-protection","title":"End Device Protection","text":"<p>This is the default firewall setup, useful for end devices on untrusted networks.  It provides maximum protection while allowing essential connectivity. </p><pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit firewall\nadmin@example:/config/firewall/&gt; show\ndefault public;\nzone public {\n  action reject;\n  description \"Public, unknown network. Only SSH and DHCPv6 client allowed.\";\n  service dhcpv6-client;\n  service ssh;\n}\nadmin@example:/config/firewall/&gt; leave\n</code></pre><p></p> <p>The <code>reject</code> action differs from <code>drop</code> in that it responds to ICMP messages, although maybe not how you may think.  Pinging the device we may<sup>1</sup> see this: <code></code></p><pre><code>$ ping 192.168.122.161\nFrom 192.168.122.161 icmp_seq=1 Packet filtered\n</code></pre><p></p> <p>If we run <code>tcpdump</code> it shows us why: <code></code></p><pre><code>$ tcpdump -lni eth0\n20:10:40.245707 IP 192.168.122.1 &gt; 192.168.122.161: ICMP echo request, id 56838, seq 1, length 64\n20:10:40.245961 IP 192.168.122.161 &gt; 192.168.122.1: ICMP host 192.168.122.161 unreachable - admin prohibited filter, length 92\n</code></pre><p></p> <p>The key here is that, yes the device responds, but not with <code>ICMP reply</code> but <code>ICMP unreachable</code>, and a little helpful message.</p> <p>The default zone is <code>public</code>, so all interfaces that are not explicitly assigned to another zone will be operationally placed in this zone as a safeguard.  Inspect this from admin-exec context with show firewall, as can be seen in the below screenshot, the only interface <code>e1</code> has been assigned automatically to the public zone.  This information is also saved to the system log.</p> <p></p> <p>Figure 4. Zone matrix and firewall overview from show firewall.</p> <p>Important</p> <p>These defaults are inferred for interactive CLI users.  Enabling the firewall using NETCONF/RESTCONF will not yield the same results.</p>"},{"location":"firewall/#homeoffice-router","title":"Home/Office Router","text":"<p>For typical routers that need to protect internal devices while providing internet access.  The LAN zone trusts internal devices, while the WAN zone blocks external threats. </p><pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit firewall\nadmin@example:/config/firewall/&gt; set default wan\nadmin@example:/config/firewall/&gt; edit zone lan\nadmin@example:/config/firewall/\u2026/lan/&gt; set description \"Internal LAN network - trusted\"\nadmin@example:/config/firewall/\u2026/lan/&gt; set action accept\nadmin@example:/config/firewall/\u2026/lan/&gt; set interface eth1\nadmin@example:/config/firewall/\u2026/lan/&gt; set service ssh\nadmin@example:/config/firewall/\u2026/lan/&gt; set service dhcp\nadmin@example:/config/firewall/\u2026/lan/&gt; set service dns\nadmin@example:/config/firewall/\u2026/lan/&gt; end\nadmin@example:/config/firewall/&gt; edit zone wan\nadmin@example:/config/firewall/\u2026/wan/&gt; set description \"External WAN interface - untrusted\"\nadmin@example:/config/firewall/\u2026/wan/&gt; set action drop\nadmin@example:/config/firewall/\u2026/wan/&gt; set interface eth0\nadmin@example:/config/firewall/\u2026/wan/&gt; end\nadmin@example:/config/firewall/&gt; edit policy loc-to-wan\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set description \"Allow LAN traffic to WAN with SNAT\"\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set ingress lan\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set egress wan\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set action accept\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set masquerade\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; leave\n</code></pre><p></p>"},{"location":"firewall/#enterprise-gateway","title":"Enterprise Gateway","text":"<p>For businesses that need to host public services while protecting internal resources.  We can build upon the Home/Office Router example above and add a DMZ zone with additional policies for controlled access. </p><pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit firewall zone dmz\nadmin@example:/config/firewall/\u2026/dmz/&gt; set description \"Semi-trusted public services\"\nadmin@example:/config/firewall/\u2026/dmz/&gt; set action drop\nadmin@example:/config/firewall/\u2026/dmz/&gt; set interface eth1\nadmin@example:/config/firewall/\u2026/dmz/&gt; set service ssh\nadmin@example:/config/firewall/\u2026/dmz/&gt; end\nadmin@example:/config/firewall/&gt; edit policy loc-to-wan\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set description \"Allow local networks (LAN+DMZ) to WAN with SNAT\"\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set ingress dmz\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set egress wan\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set action accept\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; set masquerade\nadmin@example:/config/firewall/\u2026/loc-to-wan/&gt; end\nadmin@example:/config/firewall/&gt; edit policy lan-to-dmz\nadmin@example:/config/firewall/\u2026/lan-to-dmz/&gt; set description \"Allow LAN to manage DMZ services\"\nadmin@example:/config/firewall/\u2026/lan-to-dmz/&gt; set ingress lan\nadmin@example:/config/firewall/\u2026/lan-to-dmz/&gt; set egress dmz\nadmin@example:/config/firewall/\u2026/lan-to-dmz/&gt; set action accept\nadmin@example:/config/firewall/\u2026/lan-to-dmz/&gt; end\nadmin@example:/config/firewall/&gt; edit zone wan port-forward 8080 tcp\nadmin@example:/config/firewall/\u2026/tcp/&gt; set to addr 192.168.2.10\nadmin@example:/config/firewall/\u2026/tcp/&gt; set to port 80\nadmin@example:/config/firewall/\u2026/tcp/&gt; leave\n</code></pre><p></p> <p>This adds a DMZ zone for public services, updates the internet access policy to include DMZ traffic, allows LAN management of DMZ services, and forwards external web traffic to the DMZ server.</p>"},{"location":"firewall/#logging-and-monitoring","title":"Logging and Monitoring","text":"<p>Different log levels are available to monitor and debug firewall behavior. Configure logging using the CLI: </p><pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit firewall\nadmin@example:/config/firewall/&gt; set logging all\nadmin@example:/config/firewall/&gt; leave\n</code></pre><p></p> <p>Firewall logs help you understand traffic patterns and security events.  The CLI admin-exec command show firewall shows the last 10 log messages in the overview:</p> <p></p> <p>Figure 5. Summary of recent logs at the end of show firewall.</p> <p>Use the command show log firewall.log to display the full logfile (remember, the syslog daemon rotates and zips too big log files).  You can also use the follow firewall.log command to continuously monitor firewall log messages.</p>"},{"location":"firewall/#netfilter-integration","title":"Netfilter Integration","text":"<p>The Infix firewall operates through Linux netfilter hooks.  Understanding how the zones and policy concepts map to these hooks will hopefully help you understand the firewall's behavior and ease troubleshooting.</p>"},{"location":"firewall/#packet-flow","title":"Packet Flow","text":"<p>Figure 6. Linux netfilter hooks in layer-3 traffic flow.</p> Netfilter Hook Function Description <code>prerouting</code> ZONE Classification of incoming traffic, match interfaces/networks with zones <code>prerouting</code> ZONE Port forwarding (DNAT) from zone configuration <code>input</code> ZONE Host input filtering (<code>services</code>) <code>input</code> ZONE Default action for non-matching services (<code>action</code>) <code>forward</code> POLICY Allow traffic between zones (inter-zone rules) <code>postrouting</code> POLICY Masquerade (SNAT) when traffic egresses a zone"},{"location":"firewall/#prerouting-hook","title":"PREROUTING Hook","text":"<ul> <li>Zone Classification: Traffic is tagged based on ingress interface or   source network</li> <li>Port Forwarding: DNAT from zone configuration occurs before routing decisions</li> <li>Connection Tracking: Early state establishment for stateful filtering</li> </ul>"},{"location":"firewall/#input-hook","title":"INPUT Hook","text":"<ul> <li>ANY-to-HOST Policies: Enforces policy rules for traffic destined to the   host itself</li> <li>Zone Services: Allows configured services (SSH, HTTP, etc.) based on   zone trust level</li> <li>Zone Action: Applies a default action (accept/reject/drop) for   unmatched traffic</li> </ul>"},{"location":"firewall/#forward-hook","title":"FORWARD Hook","text":"<ul> <li>Policy Enforcement: Primary location for inter-zone traffic filtering</li> <li>Custom Filters: ICMP and other protocol-specific rules within policies</li> <li>Service Matching: Allows or denies services based on policy configuration</li> </ul>"},{"location":"firewall/#postrouting-hook","title":"POSTROUTING Hook","text":"<ul> <li>Masquerading: Source NAT for outbound traffic when policies enable masquerading</li> </ul>"},{"location":"firewall/#emergency-lockdown","title":"Emergency Lockdown","text":"<p>For security emergencies (active breaches, suspicious activity), the firewall supports an immediate lockdown mode that blocks ALL traffic.</p> <p>Danger</p> <p>This will immediately terminate all network connections, including SSH. Physical console access is required to restore normal operation.  It is also possible to restore normal operation by power-cycling the device.</p> <p>To activate emergency lockdown:</p> <pre><code>~$ curl -kX POST -u admin:admin -H \"Content-Type: application/yang-data+json\" \\\n        -d '{\"infix-firewall:input\": {\"operation\": \"now\"}}'                   \\\n        https://example.local/restconf/operations/infix-firewall:firewall/lockdown-mode\n</code></pre> <p>To cancel lockdown mode (requires console access):</p> <pre><code>~$ curl -kX POST -u admin:admin -H \"Content-Type: application/yang-data+json\" \\\n        -d '{\"infix-firewall:input\": {\"operation\": \"cancel\"}}'                \\\n        https://example.local/restconf/operations/infix-firewall:firewall/lockdown-mode\n</code></pre> <p>You can check the current lockdown state:</p> <pre><code>~$ curl -kX GET -u admin:admin -H 'Accept: application/yang-data+json' \\\n        https://example.local/restconf/data/infix-firewall:firewall/lockdown\n{\n  \"infix-firewall:firewall\": {\n    \"lockdown\": false\n  }\n}\n</code></pre> <ol> <li> <p>The output from ping clients differ A LOT.  Some do not consider ICMP unreachable to be a proper response and it will appear as if the device is not responding at all.  Use <code>tcpdump</code> or <code>wireshark</code> to get to the bottom of network mysteries.\u00a0\u21a9</p> </li> </ol>"},{"location":"hardware/","title":"Hardware Info & Status","text":""},{"location":"hardware/#hardware-information-and-status","title":"Hardware Information and Status","text":"<p>The hardware infomation and status is handled by the YANG model IETF hardware, with deviations and augmentations in infix-hardware.</p>"},{"location":"hardware/#usb-ports","title":"USB Ports","text":"<p>For Infix to be able to control USB port(s), a device tree modification is needed (see alder.dtsi for full example).</p> <pre><code> chosen {\n   infix {\n     usb-ports = &lt;&amp;cp0_usb3_1&gt;;\n     usb-port-names = \"USB\";\n   };\n };\n</code></pre> <p>Two USB ports are also exposed in QEMU for test purpose.</p> <p>All USB ports in the system will be disabled during boot due to the file <code>board/common/rootfs/etc/modprobe.d/usbcore.conf</code>.  If you do not want Infix to control USB port(s), remove the file or manually enable the USB bus, here is an example:</p> <pre><code># Enable the bus\necho 1 &gt; /sys/bus/usb/devices/usb1/authorized\n</code></pre> <p>And then enable sub-devices (e.g. USB memory)</p> <pre><code># Enable a device plugged into usb1\necho 1 &gt;  /sys/bus/usb/devices/usb1/1-1/authorized\n</code></pre>"},{"location":"hardware/#current-status","title":"Current status","text":"<pre><code>admin@example:/&gt; show hardware\n USB PORTS\n NAME                STATE\n USB                 unlocked\n</code></pre> <p>An USB port can be in two states unlocked and locked. When a port is locked, all connected devices will get power, but never authorized by Linux to use.</p>"},{"location":"hardware/#configure-usb-port","title":"Configure USB port","text":"<p>Note</p> <p>You can only configure USB ports known to the system.  See the CLI command <code>show hardware</code> in admin-exec context.  (Use <code>do</code> prefix in configure context.)</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; set hardware component USB state admin-state unlocked\nadmin@example:/config/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"hardware/#using-a-usb-stick","title":"Using a USB Stick","text":"<p>With the USB port unlocked, a memory stick can be used to expand the storage of the device.  Plug it in, either directly, or via a USB hub. All partitions of VFAT or exFAT type are automatically mounted to the <code>/media/&lt;LABLEL&gt;</code> directory, e.g., <code>/media/memorystick</code>, or if a partition does not have a label, using the kernel device name, e.g., <code>/media/sda</code>.</p> <p>Depending on the partition type the the media is either mounted in <code>flush</code> or <code>sync</code> mode to ensure files are properly flushed to the backing store of the memory stick.  This to protect against users yanking out a device before file(s) have been written to it.</p> <p>The only way currently to safely \"eject\" a USB memory stick is to use <code>umount</code> command from a UNIX shell, which explicitly synchronizes any cached data to disk before returning the prompt:</p> <pre><code>admin@example:~$ sudo umount /media/log\n</code></pre>"},{"location":"license/","title":"Origin & Licensing","text":""},{"location":"license/#origin-licensing","title":"Origin &amp; Licensing","text":"<p>Infix is entirely built on Open Source components (packages).  Most of them, as well as the build system with its helper scripts and tools, is from Buildroot, which is distributed under the terms of the GNU General Public License (GPL).  See the file COPYING for details.</p> <p>Some files in Buildroot may contain a different open source license statement.  Those files are licensed under the license contained in the file itself.</p> <p>Buildroot and Infix also bundle patch files, which are applied to the sources of the various packages.  Those patches are not covered by the license of Buildroot or Infix.  Instead, they are covered by the license of the software to which the patches are applied.  When said software is available under multiple licenses, the patches are only provided under the publicly accessible licenses.</p> <p>Infix releases include the license information covering all Open Source packages.  This is extracted automatically at build time using the tool <code>make legal-info</code>.  Any proprietary software built on top of Infix, or Buildroot, would need separate auditing to ensure it does not link with any GPL<sup>1</sup> licensed library.</p> <ol> <li> <p>Infix image builds use GNU libc (GLIBC) which is covered by the LGPL.  The LGPL does allow proprietary software, as long as said software is linking dynamically, not statically, to GLIBC.\u00a0\u21a9</p> </li> </ol>"},{"location":"management/","title":"Management","text":""},{"location":"management/#system-management","title":"System Management","text":"<p>The system utilizes YANG models for keeping configuration and operational data. These databases can be managed through different interfaces such as NETCONF, RESTCONF, and CLI via SSH or Console.</p>"},{"location":"management/#ssh-management","title":"SSH Management","text":"<p>An SSH server (SSHv2) is provided for remote management. It can be enabled/disabled as shown below.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit ssh\nadmin@example:/config/ssh/&gt; set enabled\nadmin@example:/config/ssh/&gt;\n</code></pre> <p>By default the SSH server accepts connections to port 22 on all its IP addresses, but this can be adjusted using the <code>listen</code> command. To make the server (only) listen for incoming connections to IP address 192.168.1.1 and port 12345 the following commands can be used.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit ssh\nadmin@example:/config/ssh/&gt; show\nenabled true;\nhostkey genkey;\nlisten ipv4 {\n  address 0.0.0.0;\n  port 22;\n}\nlisten ipv6 {\n  address ::;\n  port 22;\n}\nadmin@example:/config/ssh/&gt; no listen ipv6\nadmin@example:/config/ssh/&gt; edit listen ipv4\nadmin@example:/config/ssh/listen/ipv4/&gt; set address 192.168.1.1\nadmin@example:/config/ssh/listen/ipv4/&gt; set port 12345\nadmin@example:/config/ssh/listen/ipv4/&gt;\n</code></pre> <p>The default SSH hostkey is generated on first boot and is used in both SSH and NETCONF (SSH transport). Custom keys can be added to the configuration in <code>ietf-keystore</code>. The only supported hostkey type is RSA for now, thus the private key must be <code>ietf-crypto-types:rsa-private-key-format</code> and the public key <code>ietf-crypto-types:ssh-public-key-format</code></p>"},{"location":"management/#use-your-own-ssh-hostkeys","title":"Use your own SSH hostkeys","text":"<p>Hostkeys can be generated with OpenSSL: </p><pre><code>openssl genpkey -quiet -algorithm RSA -pkeyopt rsa_keygen_bits:2048 -outform PEM &gt; mykey\nopenssl rsa -RSAPublicKey_out &lt; mykey &gt; mykey.pub\n</code></pre> Store the keys in <code>ietf-keystore</code> without the header and footer information created by OpenSSL.<p></p> <p>After the key has been stored in the keystore and given the name mykey it can be added to SSH configuration:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit ssh\nadmin@example:/config/ssh/&gt; set hostkey mykey\n</code></pre>"},{"location":"management/#console-port","title":"Console Port","text":"<p>For units with a console port, it is possible for users to login to shell/CLI with functionality similar to what is provided via SSH.</p> <p>The type and setup for your console port is product specific. For instance, it can be a USB-C port connected to the CPU serial port using a USB-to-serial converter. To connect you would need a USB-C cable connected to the console port of the device. The serial port is typically setup to run at 115200 baud, 8N1.</p> <pre><code>Infix OS \u2014 Immutable.Friendly.Secure v24.11.1 (ttyS0)\nexample login: admin\nPassword:\n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-'\n\nRun the command 'cli' for interactive OAM\n\nadmin@example:~$\n</code></pre> <p>The <code>resize</code> command can be used to update terminal settings to the size of your terminal window.</p> <pre><code>admin@example:~$ resize\nCOLUMNS=115;LINES=59;export COLUMNS LINES;\nadmin@example:~$\n</code></pre> <p>CLI can be entered from shell in the same way as for SSH.</p> <pre><code>admin@example:~$ cli\n\nSee the 'help' command for an introduction to the system\n\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\ne1              ethernet   LOWER-DOWN  00:53:00:06:03:01\ne2              ethernet   LOWER-DOWN  00:53:00:06:03:02\n...\nadmin@example:/&gt;\n</code></pre>"},{"location":"management/#web-web-console-and-restconf","title":"Web, Web-console and RESTCONF","text":"<p>The system provides a set of Web services:</p> <ul> <li>a rudimentary Web server, currently limited to an information page</li> <li>a RESTCONF server with equivalent management capabilities as NETCONF</li> <li>a Web console service, where the shell/CLI can be accessed via   HTTPS, similar to connecting via a console port or SSH</li> </ul> <p>There is also a Netbrowse Web service presenting information about the unit's neighbors, collected via mDNS (see Discovery for more details).</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit web\nadmin@example:/config/web/&gt; help\n  enabled                           Enable or disable on all web services.\n  console                           Web console interface.\n  netbrowse                         mDNS Network Browser.\n  restconf                          IETF RESTCONF Server.\nadmin@example:/config/web/&gt;\n</code></pre>"},{"location":"management/#enabledisable-web-service-and-server","title":"Enable/disable Web Service and Server","text":"<p>The Web service can be enabled as shown below.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit web\nadmin@example:/config/web/&gt; set enabled\nadmin@example:/config/web/&gt; \n</code></pre> <p>Enabling the Web service implies that a Web server is enabled. Currently this Web server provides generic Infix information, as well as a link to a Web console. The Web server uses HTTPS; any HTTP request is redirected to HTTPS.</p> <p>The enabled setting for the Web service acts as a global enable/disable setting for the other Web services (Web console, RESTCONF and Netbrowse).</p>"},{"location":"management/#enabledisable-web-console","title":"Enable/disable Web Console","text":"<p>The Web console service provides a terminal service similar to Console or SSH. The Web console is secured via HTTPS on port 7861.</p> <p>The Web console has its own enable/disable setting, but will only be activated if the Web service is enabled. The example below shows how to disable the Web console.</p> <pre><code>admin@example:/config/web/&gt; edit console\nadmin@example:/config/web/console/&gt; no enabled\nadmin@example:/config/web/console/&gt;\n</code></pre>"},{"location":"management/#enabledisable-restconf-service","title":"Enable/disable RESTCONF Service","text":"<p>Alternatively, the system can be managed remotely using RESTCONF. Meaning you can <code>curl</code> it instead of using a dedicated NETCONF client.</p> <p>The RESTCONF service has its own enable/disable setting, but will only be activated if the Web service is enabled. The example below shows how to disable the RESTCONF service.</p> <pre><code>admin@example:/config/web/&gt; edit restconf\nadmin@example:/config/web/restconf/&gt; no enabled\nadmin@example:/config/web/restconf/&gt;\n</code></pre>"},{"location":"management/#system-upgrade","title":"System Upgrade","text":"<p>See Upgrade &amp; Boot Order for information on upgrading.</p>"},{"location":"netboot/","title":"Netboot HowTo","text":""},{"location":"netboot/#netboot-howto","title":"Netboot HowTo","text":"<p>This document describes how to set up network booting U-Boot devices on a LAN, e.g., when working with an evaluation board or other embedded system.  The most secure way to do this is with a local LAN between a PC and the device.</p> <p>Instead of setting up everything in U-Boot to download the Linux Image, device tree, and initramfs, we will let U-Boot download a script with instructions to run.  When you have multiple systems (boards) this quickly becomes a lot easier to manage.</p> <p>Note</p> <p>Instructions in this HowTo assume a Debian based development system, e.g., Ubuntu or Linux Mint.</p>"},{"location":"netboot/#network-interface-setup","title":"Network Interface Setup","text":"<p>For two dedicated network interfaces, here <code>eth2</code> and <code>eth3</code> (ymmv), we create an old-style interfaces config<sup>1</sup> with the following content:</p> <pre><code># /etc/network/interfaces.d/gimli\nauto eth2\niface eth2 inet static\n        address 192.168.0.1\n        netmask 255.255.255.0\n\nauto eth3\niface eth3 inet manual\n</code></pre> <p>Tip</p> <p>Use configuration file names in <code>.d/</code> directories that make sense and can easily be remembered.  Here we use the hostname of the PC.</p>"},{"location":"netboot/#dhcptftp-server-setup","title":"DHCP/TFTP Server Setup","text":"<p>The examples given here use <code>dnsmasq</code>, which provides both DHCP and TFTP server support.  The same can be achieved with other implementations.</p> <p>Similar to <code>interfaces.d</code>, dnsmasq has an <code>/etc/dnsmasq.d</code> directory so we can use \"snippets\" instead of modifying <code>/etc/dnsmasq.conf</code> directly. Add a file called <code>/etc/dnsmasq.d/gimli</code>.</p> <p>Initial content:</p> <pre><code># Remember IP address handed out to BOOTP clients\nbootp-dynamic\n# Disable check-if-ip-address-is-already-used\nno-ping\n\n# Enable TFTP server, use /srv/ftp, same as any FTP server, useful\n# when using the same images for system upgrade as for netbooting.\nenable-tftp\ntftp-root=/srv/ftp\n</code></pre> <p>Caution</p> <p>First of all, make sure you DO NOT accidentally set up dnsmasq so that it starts acting as a DHCP server also on your office LAN!  Follow the instructions below for more details.</p> <p>If you have many interfaces used for lab equipment and only one office LAN interface, then use something like this:</p> <pre><code># Disable DHCP server on loopback and office LAN (eth0)\nexcept-interface=lo\nexcept-interface=eth0\n</code></pre> <p>To further lock this down, we only run the DHCP server on each of the interfaces used for lab equipment, with a dedicated IP range as well:</p> <pre><code># Currently I have an imx8mp-evk on eth2, so on my system I have a\n# symlink bootfile-eth2 -&gt; netboot.scr\ninterface=eth2\ndhcp-range=192.168.0.100,192.168.0.199,1h\ndhcp-boot=tag:eth2,bootfile-eth2\n</code></pre>"},{"location":"netboot/#bootfile-netbootscr","title":"Bootfile netboot.scr","text":"<p>The bootfile U-Boot retrieves from the TFTP server is a script that looks like this, <code>netboot.sh</code>:</p> <pre><code>setenv ramdisk_addr_r 0x58000000\nsetenv fdt_addr_r     0x50400000\n\nsetenv autoboot off\ntftp ${fdt_addr_r}     imx8mp-evk/imx8mp-evk.dtb\ntftp ${kernel_addr_r}  imx8mp-evk/Image\ntftp ${ramdisk_addr_r} imx8mp-evk/rootfs.squashfs\n\nsetenv bootargs console=ttymxc1,115200 root=/dev/ram0 brd.rd_size=500000 rauc.slot=net\nbooti ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r}\n</code></pre> <p>U-Boot cannot read script files directly, so we need to wrap it with a FIT format header, this is done by first converting it on the PC:</p> <pre><code>$ mkimage -T script -d netboot.sh netboot.scr\n</code></pre> <p>The output is <code>netboot.scr</code> which we symlink to above in the dnsmasq setup step.</p>"},{"location":"netboot/#u-boot-commands","title":"U-Boot Commands","text":"<p>U-Boot is a maze of environment variables, some with values, some wrap commands, and most are undocumented.  We will use a prefix for our variables to ensure we do not overwrite anything you may want to use later.</p> <pre><code>==&gt; setenv ixboot 'dhcp &amp;&amp; source \\${fileaddr}'\n==&gt; saveenv\n</code></pre> <ol> <li> <p>To prevent NetworkManager from automatically managing the interfaces.\u00a0\u21a9</p> </li> </ol>"},{"location":"networking/","title":"Network Configuration","text":""},{"location":"networking/#network-configuration","title":"Network Configuration","text":"<p>Infix aims to support all Linux Networking constructs.  The YANG models used to describe the system are chosen to fit well and leverage the underlying Linux kernel's capabilities.  The ietf-interfaces.yang model forms the base, extended with ietf-ip.yang and other layer-3 IETF models.  The layer-2 bridge and aggregate models are defined by Infix to exploit the unique features not available in IEEE models.</p> <p>Important</p> <p>When issuing <code>leave</code> to activate your changes, remember to also save your settings, <code>copy running-config startup-config</code>.  See the CLI Introduction for a background.</p>"},{"location":"networking/#interface-lego","title":"Interface LEGO\u00ae","text":"<p>The network building blocks available in Linux are akin to the popular LEGO\u00ae bricks.</p> <p></p> <p>There are two types of relationships that can link two blocks together:</p> <ol> <li>Lower-to-upper: Visually represented by an extruding square      connected upwards to a square socket.  An interface can only have      a single lower-to-upper relationship, i.e., it can be attached to      a single upper interface like a bridge or a LAG.  In <code>iproute2</code>      parlance, this corresponds to the interface's <code>master</code> setting</li> <li>Upper-to-lower: Visually represented by an extruding semicircle      connected downwards to a semicircle socket.  The lower interface in      these relationships accepts multiple upper-to-lower relationships      from different upper blocks.  E.g., multiple VLANs and IP address      blocks can be connected to the same lower interface</li> </ol> <p></p> <p>An interface may simultaneously have a lower-to-upper relation to some other interface, and be the target of one or more upper-to-lower relationships.  It is valid, for example, for a physical port to be attached to a bridge, but also have a VLAN interface stacked on top of it.  In this example, traffic assigned to the VLAN in question would be diverted to the VLAN interface before entering the bridge, while all other traffic would be bridged as usual.</p> Type Yang Model Description bridge infix-if-bridge SW implementation of an IEEE 802.1Q bridge ip ietf-ip, infix-ip IP address to the subordinate interface vlan infix-if-vlan Capture all traffic belonging to a specific 802.1Q VID lag infix-if-lag Link aggregation, static and IEEE 802.3ad (LACP) lo ietf-interfaces Software loopback interface eth ieee802-ethernet-interface Physical Ethernet device/port. infix-ethernet-interface veth infix-if-veth Virtual Ethernet pair, typically one end is in a container common ietf-interfaces, Properties common to all interface types infix-interfaces"},{"location":"networking/#data-plane","title":"Data Plane","text":"<p>The blocks you choose, and how you connect them, defines your data plane. Here we see an example of how to bridge a virtual port with a physical LAN.</p> <p></p> <p>Depending on the (optional) VLAN filtering of the bridge, the container may have full or limited connectivity with outside ports, as well as the internal CPU.</p> <p>In fact the virtual port connected to the bridge can be member of several VLANs, with each VLAN being an interface with an IP address inside the container.</p> <p>Thanks to Linux, and technologies like switchdev, that allow you to split a switching fabric into unique (isolated) ports, the full separation and virtualization of all Ethernet layer properties are possible to share with a container.  Meaning, all the building blocks used on the left hand side can also be used freely on the right hand side as well.</p>"},{"location":"networking/#general","title":"General","text":"<p>General interface settings include <code>type</code>, <code>enable</code>, custom MAC address, and text <code>description</code>.  Other settings have their own sections, below.</p> <p>The <code>type</code> is important to set when configuring devices remotely because unlike the CLI, a NETCONF or RESTCONF session cannot guess the interface type for you.  The operating system provides an override of the available interface types.</p> <p>An <code>enabled</code> interface can be inspected using the operational datastore, nodes <code>admin-state</code> and <code>oper-state</code> show the status, .  Possible values are listed in the YANG model.</p> <p>The <code>custom-phys-address</code> can be used to set an interface's MAC address. This is an extension to the ietf-interfaces YANG model, which defines <code>phys-address</code> as read-only<sup>4</sup>.  The following shows the different configuration options.</p> <p>The <code>description</code> is saved as Linux <code>ifalias</code> on an interface.  It is a free-form string, useful for describing purpose or just adding comments for remote debugging, e.g., using the operational datastore.</p> <p>Caution</p> <p>There is no validation or safety checks performed by the system when using <code>custom-phys-address</code>.  In particular the <code>offset</code> variant can be dangerous to use -- pay attention to the meaning of bits in the upper-most octet: local bit, multicast/group, etc.</p>"},{"location":"networking/#fixed-custom-mac","title":"Fixed custom MAC","text":"<pre><code>admin@example:/config/&gt; edit interface veth0a\nadmin@example:/config/interface/veth0a/&gt; set custom-phys-address static 00:ab:00:11:22:33\n\n=&gt; 00:ab:00:11:22:33\n</code></pre>"},{"location":"networking/#chassis-mac","title":"Chassis MAC","text":"<p>Chassis MAC, sometimes also referred to as base MAC.  In these two examples it is <code>00:53:00:c0:ff:ee</code>.</p> <pre><code>admin@example:/config/&gt; edit interface veth0a\nadmin@example:/config/interface/veth0a/&gt; set custom-phys-address chassis\n\n=&gt; 00:53:00:c0:ff:ee\n</code></pre>"},{"location":"networking/#chassis-mac-with-offset","title":"Chassis MAC, with offset","text":"<p>When constructing a derived address it is recommended to set the locally administered bit.  Same chassis MAC as before.</p> <pre><code>admin@example:/config/&gt; edit interface veth0a\nadmin@example:/config/interface/veth0a/&gt; set custom-phys-address chassis offset 02:00:00:00:00:02\n\n=&gt; 02:53:00:c0:ff:f0\n</code></pre>"},{"location":"networking/#bridging","title":"Bridging","text":"<p>This is the most central part of the system.  A bridge is a switch, and a switch is a bridge.  In Linux, setting up a bridge with ports connected to physical switch fabric, means you manage the actual switch fabric!</p>"},{"location":"networking/#mac-bridge","title":"MAC Bridge","text":"<p>In Infix ports are by default not switch ports, unless the customer specific factory config sets it up this way.  To enable switching, with offloading if you have a switch chipset, between ports you create a bridge and then add ports to that bridge.  Like this:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface br0\nadmin@example:/config/interface/br0/&gt; up\nadmin@example:/config/&gt; set interface eth0 bridge-port bridge br0\nadmin@example:/config/&gt; set interface eth1 bridge-port bridge br0\nadmin@example:/config/&gt; leave\n</code></pre> <p>Here we add two ports to bridge <code>br0</code>: <code>eth0</code> and <code>eth1</code>.</p> <p>Tip</p> <p>The CLI has several built-in helpers governed by convention.  E.g., naming bridges <code>brN</code>, where <code>N</code> is a number, the type is inferred automatically and unlocks all bridge features.  Other conventions are <code>vethNA</code>, where <code>N</code> is a number and <code>A</code> is a letter ('a' for access port and 'b' for bridge side is common), and <code>ethN.M</code> for VLAN M on top of <code>ethN</code>, or <code>dockerN</code> for a IP masquerading container bridge.</p> <p>Note, this inference only works with the CLI, configuring networking over NETCONF or RESTCONF requires setting the type explicitly.</p> <p></p> <p>It is possible to create multiple MAC bridges, however, it is currently<sup>5</sup> not recommended to use more than one MAC bridge on products with Marvell LinkStreet switching ASICs. A VLAN filtering bridge should be used instead.</p>"},{"location":"networking/#vlan-filtering-bridge","title":"VLAN Filtering Bridge","text":"<p>By default bridges in Linux do not filter based on VLAN tags.  This can be enabled when creating a bridge by adding a port to a VLAN as a tagged or untagged member.  Use the port default VID (PVID) setting to control VLAN association for traffic ingressing a port untagged (default PVID: 1).</p> <pre><code>admin@example:/config/&gt; edit interface br0\nadmin@example:/config/interface/br0/&gt; up\nadmin@example:/config/&gt; set interface eth0 bridge-port bridge br0\nadmin@example:/config/&gt; set interface eth0 bridge-port pvid 10\nadmin@example:/config/&gt; set interface eth1 bridge-port bridge br0\nadmin@example:/config/&gt; set interface eth1 bridge-port pvid 20\nadmin@example:/config/&gt; edit interface br0\nadmin@example:/config/interface/br0/&gt; set bridge vlans vlan 10 untagged eth0\nadmin@example:/config/interface/br0/&gt; set bridge vlans vlan 20 untagged eth1\n</code></pre> <p>This sets <code>eth0</code> as an untagged member of VLAN 10 and <code>eth1</code> as an untagged member of VLAN 20.  Switching between these ports is thus prohibited.</p> <p></p> <p>To terminate a VLAN in the switch itself, either for switch management or for routing, the bridge must become a (tagged) member of the VLAN.</p> <pre><code>admin@example:/config/interface/br0/&gt; set bridge vlans vlan 10 tagged br0\nadmin@example:/config/interface/br0/&gt; set bridge vlans vlan 20 tagged br0\n</code></pre> <p>To route or to manage via a VLAN, a VLAN interface needs to be created on top of the bridge, see section VLAN Interfaces below for more on this topic.</p> <p>Note</p> <p>In some use-cases only a single management VLAN on the bridge is used. For the example above, if the bridge itself is an untagged member only in VLAN 10, IP addresses can be set directly on the bridge without the need for dedicated VLAN interfaces on top of the bridge.</p>"},{"location":"networking/#multicast-filtering-and-snooping","title":"Multicast Filtering and Snooping","text":"<p>Multicast filtering in the bridge is handled by the bridge itself.  It can filter both IP multicast and MAC multicast.  For IP multicast it also supports \"snooping\", i.e., IGMP and MLD, to automatically reduce the broadcast effects of multicast.  See the next section for a summary of the terminology used.</p> <p>Important</p> <p>Currently there is no way to just enable multicast filtering without also enabling snooping.  This may change in the future, in which case a <code>filtering</code> enabled setting will be made available along with the existing <code>snooping</code> setting.</p> <p>When creating your bridge you must decide if you need a VLAN filtering bridge or a plain bridge (see previous section).  Multicast filtering is supported for either, but take note that it must be enabled and set up per VLAN when VLAN filtering is enabled -- there are no global multicast settings in this operating mode.</p> <p>In the following example we have a regular 8-port bridge without VLAN filtering.  We focus on the multicast specific settings:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface br0\nadmin@example:/config/interface/br0/&gt; set bridge multicast snooping\nadmin@example:/config/interface/br0/&gt; set ipv4 address 192.168.2.1 prefix-length 24\nadmin@example:/config/interface/br0/&gt; leave\nadmin@example:/&gt; copy running-config startup-config\n</code></pre> <p>Here we enable snooping and set a static IPv4 address so that the switch can take part in IGMP querier elections.  (MLD querier election currently not supported.)  We can inspect the current state:</p> <pre><code>admin@example:/&gt; show ip multicast\nMulticast Overview\nQuery Interval (default): 125 sec\nRouter Timeout          : 255\nFast Leave Ports        :\nRouter Ports            :\nFlood Ports             : e0, e1, e2, e3, e4, e5, e6, e7\n\nInterface       VID  Querier                     State  Interval  Timeout  Ver\nbr0                  192.168.2.1                    Up       125     None    3\n\nBridge          VID  Multicast Group       Ports\nbr0                  224.1.1.1             e3, e2\nbr0                  ff02::6a              br0\n</code></pre> <p>This is a rather small LAN, so our bridge has already become the elected IGMP querier.  We see it is ours because the timeout is <code>None</code>, and we recognize the IP address the system has detected, as ours.  We can also see two ports that have joined the same IPv4 multicast group, 224.1.1.1, and one join from the system itself for the IPv6 group ff02::6a.</p> <p>Now, let us see what happens when we add another bridge, this time with VLAN filtering enabled.  We skip the boring parts about how to move ports e4-e7 to <code>br1</code> and assign them to VLANs, and again, focus on the multicast bits only:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface br1\nadmin@example:/config/interface/br1/&gt; set bridge vlans vlan 1 multicast snooping\nadmin@example:/config/interface/br1/&gt; set bridge vlans vlan 2 multicast snooping\nadmin@example:/config/interface/br1/&gt; leave\nadmin@example:/&gt; copy running-config startup-config\n</code></pre> <p>Let us see what we get:</p> <pre><code>admin@example:/&gt; show ip multicast\nMulticast Overview\nQuery Interval (default): 125 sec\nRouter Timeout          : 255\nFast Leave Ports        : e5\nRouter Ports            : e1, e2, e5, e6, e7\nFlood Ports             : e1, e2, e3, e4, e5, e6, e7, e8\n\nInterface       VID  Querier                     State  Interval  Timeout  Ver\nbr0                  192.168.2.1                    Up       125     None    3\nbr1               1  0.0.0.0                        Up       125     None    3\nbr1               2  0.0.0.0                        Up       125     None    3\n\nBridge          VID  Multicast Group       Ports\nbr0                  224.1.1.1             e2\nbr0                  ff02::fb              br0\nbr0                  ff02::6a              br0\nbr0                  ff02::1:ff00:0        br0\nbr1               1  224.1.1.1             e5\nbr1               2  224.1.1.1             e7\nbr1               1  ff02::fb              br1\nbr1               1  ff02::1:ff00:0        br1\n</code></pre> <p>In this setup we have a lot more going on.  Multiple multicast router ports have been detected, and behind the scenes someone has also added an IGMP/MLD fast-leave port.</p>"},{"location":"networking/#terminology-abbreviations","title":"Terminology &amp; Abbreviations","text":"<ul> <li>IGMP: Internet Group Membership Protocol, multicast subscription    for IPv4, for details see RFC3376</li> <li>MLD: Multicast Listener Discovery (Protocol), multicast    subscription for IPv6, for details see RFC3810</li> <li>Unknown/Unregistered multicast: multicast groups that are not    in the multicast forwarding database (MDB)</li> <li>Known/Registered multicast: multicast groups that are in the    multicast forwarding database (MDB)</li> <li>MDB: the multicast forwarding database, consists of filters for    multicast groups, directing where multicast is allowed to egress.  A    filter entry consists of a group and a port list.  The bridge filters    with a unique database per VLAN, in the same was as the unicast FDB</li> <li>Join/Leave: the terminology used in earlier versions of the two    protocols to subscribe and unsubscribe to a multicast group.  For    more information, see Membership Report</li> <li>Membership Report A membership report is sent by end-devices and    forwarded by switches to the elected querier on the LAN.  They    consist of multiple \"join\" and \"leave\" operations on groups.  They    can also, per group, list which senders to allow or block.  Switches    usually only support the group subscription, and even more common    also only support filtering on the MAC level<sup>3</sup></li> <li>Querier election: the process of determining who is the elected    IGMP/MLD querier on a LAN.  Lowest numerical IP address wins, the    special address 0.0.0.0 (proxy querier) never wins</li> <li>Proxy querier: when no better querier exists on a LAN, one or    more devices can send proxy queries with source address 0.0.0.0 (or    :: for IPv6).  See Query Interval, below, why this is a good    thing</li> <li>Query interval: the time in seconds between two queries from an    IGMP/MLD querier.  It is not uncommon that end-devices do not send    their membership reports unless they first hear a query</li> <li>Fast Leave: set on a bridge port to ensure multicast is pruned as    quickly as possible when a \"leave\" membership report is received.  In    effect, this option marks the port as directly connected to an    end-device.  When not set (default), a query with timeout is first    sent to ensure no unintentional loss of multicast is incurred</li> <li>Router port: can be both configured statically and detected at    runtime based on connected devices, usually multicast routers.  On    a router port all multicast is forwarded, both known and unknown</li> <li>Flood port: set on a bridge port (default: enabled) to ensure    all unknown multicast is forwarded</li> <li>Router timeout: the time in seconds until a querier is deemed to    have been lost and another device (switch/router) takes over.  In the    tables shown above, a None timeout is declared when the current    device is the active querier</li> </ul> <p>Tip</p> <p>The reason why multicast flooding is enabled by default is to ensure safe co-existence with MAC multicast, which is common in industrial networks.  It also allows end devices that do not know of IGMP/MLD to communicate over multicast as long as the group they have chosen is not used by other IGMP/MLD aware devices on the LAN.</p> <p>As soon as an IGMP/MLD membership report to \"join\" a group is received the group is added to the kernel MDB and forwarding to other ports stop.  The only exception to this rule is multicast router ports.</p> <p>If your MAC multicast forwarding is not working properly, it may be because an IP multicast group maps to the same MAC address.  Please see RFC 1112 for details.  Use static multicast router ports, or static multicast MAC filters, to mitigate.</p>"},{"location":"networking/#forwarding-of-ieee-reserved-group-addresses","title":"Forwarding of IEEE Reserved Group Addresses","text":"<p>Addresses in the range <code>01:80:C2:00:00:0X</code> are used by various bridge signaling protocols, and are not forwarded by default.  Still, it is sometimes useful to let the bridge forward such packets, this can be done by specifying protocol names or the last address nibble as decimal value <code>0..15</code>:</p> <pre><code>admin@example:/config/&gt; edit interface br0 bridge\nadmin@example:/config/interface/br0/bridge/&gt; set ieee-group-forward     # Tap the ? ley for alternatives\n  [0..15]  List of IEEE link-local protocols to forward, e.g., STP, LLDP\n  dot1x    802.1X Port-Based Network Access Control.\n  lacp     802.3 Slow Protocols, e.g., LACP.\n  lldp     802.1AB Link Layer Discovery Protocol (LLDP).\n  stp      Spanning Tree (STP/RSPT/MSTP).\nadmin@example:/config/interface/br0/bridge/&gt; set ieee-group-forward\n</code></pre> <p>The following example configures bridge br0 to forward LLDP packets.</p> <pre><code>admin@example:/config/interface/br0/bridge/&gt; set ieee-group-forward lldp\nadmin@example:/config/interface/br0/bridge/&gt;\n</code></pre>"},{"location":"networking/#link-aggregation","title":"Link Aggregation","text":"<p>A link aggregate, or lag, allows multiple physical interfaces to be combined into a single logical interface, providing increased bandwidth (in some cases) and redundancy (primarily).  Two modes of qualifying lag member ports are available:</p> <ol> <li>static: Active members selected based on link status (carrier)</li> <li>lacp: IEEE 802.3ad Link Aggregation Control Protocol</li> </ol> <p>In LACP mode, LACPDUs are exchanged by the link partners to qualify each lag member, while in static mode only carrier is used.  This additional exchange in LACP ensures traffic can be forwarded in both directions.</p> <p>Traffic distribution, for both modes, across the active lag member ports is determined by the hash policy<sup>1</sup>.  It uses an XOR of the source, destination MAC addresses and the EtherType field.  This, IEEE 802.3ad-compliant, algorithm will place all traffic to a particular network peer on the same link.  Meaning there is no increased bandwidth for communication between two specific devices.</p> <p>Tip</p> <p>Similar to other interface types, naming your interface <code>lagN</code>, where <code>N</code> is a number, allows the CLI to automatically infer the interface type as LAG.</p>"},{"location":"networking/#basic-configuration","title":"Basic Configuration","text":"<p>Creating a link aggregate interface and adding member ports:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface lag0\nadmin@example:/config/interface/lag0/&gt; set lag mode static\nadmin@example:/config/interface/lag0/&gt; end\nadmin@example:/config/&gt; set interface eth7 lag-port lag lag0\nadmin@example:/config/&gt; set interface eth8 lag-port lag lag0\nadmin@example:/config/&gt; leave\n</code></pre> <p>A static lag responds only to link (carrier) changes of member ports. E.g., in this example egressing traffic is continuously distributed over the two links until link down on one link is detected, triggering all traffic to be steered to the sole remaining link.</p>"},{"location":"networking/#lacp-configuration","title":"LACP Configuration","text":"<p>LACP mode provides dynamic negotiation of the link aggregate.  Key settings include:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface lag0\nadmin@example:/config/interface/lag0/&gt; set lag mode lacp\nadmin@example:/config/interface/lag0/&gt; set lag lacp mode passive\nadmin@example:/config/interface/lag0/&gt; set lag lacp rate fast\nadmin@example:/config/interface/lag0/&gt; set lag lacp system-priority 100\n</code></pre> <p>LACP mode supports two operational modes:</p> <ul> <li>active: Initiates negotiation by sending LACPDUs (default)</li> <li>passive: Waits for peer to initiate negotiation</li> </ul> <p>Note</p> <p>At least one end of the link must be in active mode for negotiation to occur.</p> <p>The LACP rate setting controls protocol timing:</p> <ul> <li>slow: LACPDUs sent every 30 seconds, with 90 second timeout (default)</li> <li>fast: LACPDUs sent every second, with 3 second timeout</li> </ul>"},{"location":"networking/#link-flapping","title":"Link Flapping","text":"<p>To protect against link flapping, debounce timers can be configured to delay link qualification.  Usually only the <code>up</code> delay is needed:</p> <pre><code>admin@example:/config/interface/lag0/lag/link-monitor/&gt; edit debounce\nadmin@example:/config/interface/lag0/lag/link-monitor/debounce/&gt; set up 500\nadmin@example:/config/interface/lag0/lag/link-monitor/debounce/&gt; set down 200\n</code></pre>"},{"location":"networking/#operational-status-overview","title":"Operational Status, Overview","text":"<p>Like other interfaces, link aggregates are also available in the general interfaces overview in the CLI admin-exec context.  Here is the above static mode aggregate:</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\n.\n.\n.\nlag0            lag        UP          static: balance-xor, hash: layer2\n\u2502               ethernet   UP          00:a0:85:00:02:00\n\u251c eth7          lag        ACTIVE\n\u2514 eth8          lag        ACTIVE\n</code></pre> <p>Same aggregate, but in LACP mode:</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\n.\n.\n.\nlag0            lag        UP          lacp: active, rate: fast (1s), hash: layer2\n\u2502               ethernet   UP          00:a0:85:00:02:00\n\u251c eth7          lag        ACTIVE      active, short_timeout, aggregating, in_sync, collecting, distributing\n\u2514 eth8          lag        ACTIVE      active, short_timeout, aggregating, in_sync, collecting, distributing\n</code></pre>"},{"location":"networking/#operational-status-detail","title":"Operational Status, Detail","text":"<p>In addition to basic status shown in the interface overview, detailed LAG status can be inspected:</p> <pre><code>admin@example:/&gt; show interface lag0\nname                : lag0\nindex               : 25\nmtu                 : 1500\noperational status  : up\nphysical address    : 00:a0:85:00:02:00\nlag mode            : static\nlag type            : balance-xor\nlag hash            : layer2\nlink debounce up    : 0 msec\nlink debounce down  : 0 msec\nipv4 addresses      :\nipv6 addresses      :\nin-octets           : 0\nout-octets          : 2142\n</code></pre> <p>Same aggregate, but in LACP mode:</p> <pre><code>admin@example:/&gt; show interface lag0\nname                : lag0\nindex               : 24\nmtu                 : 1500\noperational status  : up\nphysical address    : 00:a0:85:00:02:00\nlag mode            : lacp\nlag hash            : layer2\nlacp mode           : active\nlacp rate           : fast (1s)\nlacp aggregate id   : 1\nlacp system priority: 65535\nlacp actor key      : 9\nlacp partner key    : 9\nlacp partner mac    : 00:a0:85:00:03:00\nlink debounce up    : 0 msec\nlink debounce down  : 0 msec\nipv4 addresses      :\nipv6 addresses      :\nin-octets           : 100892\nout-octets          : 111776\n</code></pre> <p>Member ports provide additional status information:</p> <ul> <li>Link failure counter: number of detected link failures</li> <li>LACP state flags: various states of LACP negotiation:</li> <li><code>active</code>: port is actively sending LACPDUs</li> <li><code>short_timeout</code>: using fast rate (1s) vs. slow rate (30s)</li> <li><code>aggregating</code>: port is allowed to aggregate in this LAG</li> <li><code>in_sync</code>: port is synchronized with partner</li> <li><code>collecting</code>: port is allowed to receive traffic</li> <li><code>distributing</code>: port is allowed to send traffic</li> <li><code>defaulted</code>: using default partner info (partner not responding)</li> <li><code>expired</code>: partner info has expired (no LACPDUs received)</li> <li>Aggregator ID: unique identifier for this LAG group</li> <li>Actor state: LACP state flags for this port (local)</li> <li>Partner state: LACP state flags from the remote port</li> </ul> <p>Example member port status:</p> <pre><code>admin@example:/&gt; show interface eth7\nname                : eth7\nindex               : 8\nmtu                 : 1500\noperational status  : up\nphysical address    : 00:a0:85:00:02:00\nlag member          : lag0\nlag member state    : active\nlacp aggregate id   : 1\nlacp actor state    : active, short_timeout, aggregating, in_sync, collecting, distributing\nlacp partner state  : active, short_timeout, aggregating, in_sync, collecting, distributing\nlink failure count  : 0\nipv4 addresses      :\nipv6 addresses      :\nin-octets           : 473244\nout-octets          : 499037\n</code></pre>"},{"location":"networking/#example-switch-uplink-with-lacp","title":"Example: Switch Uplink with LACP","text":"<p>LACP mode provides the most robust operation, automatically negotiating the link aggregate and detecting configuration mismatches.</p> <p>A common use case is connecting a switch to an upstream device:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface lag0\nadmin@example:/config/interface/lag0/&gt; set lag mode lacp\n</code></pre> <p>Enable fast LACP for quicker fail-over:</p> <pre><code>admin@example:/config/interface/lag0/&gt; set lag lacp rate fast\n</code></pre> <p>Add uplink ports</p> <pre><code>admin@example:/config/interface/lag0/&gt; end\nadmin@example:/config/&gt; set interface eth7 lag-port lag lag0\nadmin@example:/config/&gt; set interface eth8 lag-port lag lag0\n</code></pre> <p>Enable protection against \"link flapping\".</p> <pre><code>admin@example:/config/interface/lag0/&gt; edit lag link-monitor\nadmin@example:/config/interface/lag0/lag/link-monitor/&gt; edit debounce\nadmin@example:/config/interface/lag0/lag/link-monitor/debounce/&gt; set up 500\nadmin@example:/config/interface/lag0/lag/link-monitor/debounce/&gt; set down 200\nadmin@example:/config/interface/lag0/lag/link-monitor/debounce/&gt; top\n</code></pre> <p>Add to bridge for switching</p> <pre><code>admin@example:/config/interface/lag0/lag/link-monitor/debounce/&gt; end\nadmin@example:/config/&gt; set interface lag0 bridge-port bridge br0\nadmin@example:/config/&gt; leave\n</code></pre>"},{"location":"networking/#vlan-interfaces","title":"VLAN Interfaces","text":"<p>Creating a VLAN can be done in many ways.  This section assumes VLAN interfaces created atop another Linux interface.  E.g., the VLAN interfaces created on top of the Ethernet interface or bridge in the picture below.</p> <p></p> <p>A VLAN interface is basically a filtering abstraction. When you run <code>tcpdump</code> on a VLAN interface you will only see the frames matching the VLAN ID of the interface, compared to all the VLAN IDs if you run <code>tcpdump</code> on the lower-layer interface.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0.20\nadmin@example:/config/interface/eth0.20/&gt; show\ntype vlan;\nvlan {\n  tag-type c-vlan;\n  id 20;\n  lower-layer-if eth0;\n}\nadmin@example:/config/interface/eth0.20/&gt; leave\n</code></pre> <p>The example below assumes bridge br0 is already created, see VLAN Filtering Bridge.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface vlan10\nadmin@example:/config/interface/vlan10/&gt; set vlan id 10\nadmin@example:/config/interface/vlan10/&gt; set vlan lower-layer-if br0\nadmin@example:/config/interface/vlan10/&gt; leave\n</code></pre> <p>As conventions, a VLAN interface for VID 20 on top of an Ethernet interface eth0 is named eth0.20, and a VLAN interface for VID 10 on top of a bridge interface br0 is named vlan10.</p> <p>Note</p> <p>If you name your VLAN interface <code>foo0.N</code> or <code>vlanN</code>, where <code>N</code> is a number, the CLI infers the interface type automatically.</p>"},{"location":"networking/#physical-ethernet-interfaces","title":"Physical Ethernet Interfaces","text":""},{"location":"networking/#ethernet-settings-and-status","title":"Ethernet Settings and Status","text":"<p>Physical Ethernet interfaces provide low-level settings for speed/duplex as well as packet status and statistics.</p> <p>By default, Ethernet interfaces defaults to auto-negotiating speed/duplex modes, advertising all speed and duplex modes available. In the example below, the switch would by default auto-negotiate speed 1 Gbit/s on port eth1 and 100 Mbit/s on port eth4, as those are the highest speeds supported by H1 and H2 respectively.</p> <p></p> <p>The speed and duplex status for the links can be listed as shown below, assuming the link operational status is 'up'. </p> <pre><code>admin@example:/&gt; show interface eth1\nname                : eth1\nindex               : 2\nmtu                 : 1500\noperational status  : up\nauto-negotiation    : on\nduplex              : full\nspeed               : 1000\nphysical address    : 00:53:00:06:11:01\nipv4 addresses      :\nipv6 addresses      : \nin-octets           : 75581\nout-octets          : 43130\n...\nadmin@example:/&gt; show interface eth4\nname                : eth4\nindex               : 5\nmtu                 : 1500\noperational status  : up\nauto-negotiation    : on\nduplex              : full\nspeed               : 100\nphysical address    : 00:53:00:06:11:04\nipv4 addresses      :\nipv6 addresses      : \nin-octets           : 75439\nout-octets          : 550704\n...\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#configuring-fixed-speed-and-duplex","title":"Configuring fixed speed and duplex","text":"<p>Auto-negotiation of speed/duplex mode is desired in almost all use-cases, but it is possible to disable auto-negotiation and specify a fixed speed and duplex mode.</p> <p>Important</p> <p>When setting a fixed speed and duplex mode, ensure both sides of the link have matching configuration.  If speed does not match, the link will not come up.  If duplex mode does not match, the result is reported collisions and/or bad throughput.</p> <p>The example below configures port eth3 to fixed speed 100 Mbit/s half-duplex mode. </p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth3 ethernet\nadmin@example:/config/interface/eth3/ethernet/&gt; set speed 0.1\nadmin@example:/config/interface/eth3/ethernet/&gt; set duplex half\nadmin@example:/config/interface/eth3/ethernet/&gt; set auto-negotiation enable false\nadmin@example:/config/interface/eth3/ethernet/&gt; show\nauto-negotiation {\n  enable false;\n}\nduplex half;\nspeed 0.1;\nadmin@example:/config/interface/eth3/ethernet/&gt; leave\nadmin@example:/&gt; \n</code></pre> <p>Speed metric is in Gbit/s.  Auto-negotiation needs to be disabled in order for fixed speed/duplex to apply. Only speeds <code>0.1</code>(100 Mbit/s) and <code>0.01</code> (10 Mbit/s) can be specified. 1 Gbit/s and higher speeds require auto-negotiation to be enabled.</p>"},{"location":"networking/#ethernet-statistics","title":"Ethernet statistics","text":"<p>Ethernet packet statistics<sup>6</sup> can be listed as shown below.</p> <pre><code>admin@example:/&gt; show interface eth1\nname                : eth1\nindex               : 2\nmtu                 : 1500\noperational status  : up\nauto-negotiation    : on\nduplex              : full\nspeed               : 1000\nphysical address    : 00:53:00:06:11:0a\nipv4 addresses      :\nipv6 addresses      : \nin-octets           : 75581\nout-octets          : 43130\n\neth-in-frames                : 434\neth-in-multicast-frames      : 296\neth-in-broadcast-frames      : 138\neth-in-error-fcs-frames      : 0\neth-in-error-oversize-frames : 0\neth-out-frames               : 310\neth-out-multicast-frames     : 310\neth-out-broadcast-frames     : 0\neth-out-good-octets          : 76821\neth-in-good-octets           : 60598\nadmin@example:/&gt; \n</code></pre>"},{"location":"networking/#veth-pairs","title":"VETH Pairs","text":"<p>A Virtual Ethernet (VETH) pair is basically a virtual Ethernet cable.  A cable can be \"plugged in\" to a bridge and the other end can be given to a container, or plugged into another bridge.</p> <p>The latter example is useful if you have multiple bridges in the system with different properties (VLAN filtering, IEEE group forwarding, etc.), but still want some way of communicating between these domains.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface veth0a\nadmin@example:/config/interface/veth0a/&gt; set veth peer veth0b\nadmin@example:/config/interface/veth0a/&gt; end\nadmin@example:/config/&gt; diff\ninterfaces {\n+  interface veth0a {\n+    type veth;\n+    veth {\n+      peer veth0b;\n+    }\n+  }\n+  interface veth0b {\n+    type veth;\n+    veth {\n+      peer veth0a;\n+    }\n+  }\n}\nadmin@example:/config/&gt;\n</code></pre> <p>Tip</p> <p>This is another example of the automatic inference of the interface type from the name.  Any name can be used, but then you have to set the interface type to <code>veth</code> manually.</p>"},{"location":"networking/#management-plane","title":"Management Plane","text":"<p>This section details IP Addresses And Other Per-Interface IP settings.</p> <p>Infix support several network interface types, each can be assigned one or more IP addresses, both IPv4 and IPv6 are supported.  (There is no concept of a \"primary\" address.)</p> <p></p>"},{"location":"networking/#ipv4-address-assignment","title":"IPv4 Address Assignment","text":"<p>Multiple address assignment methods are available:</p> Type Yang Model Description static ietf-ip Static assignment of IPv4 address, e.g., 10.0.1.1/24 link-local infix-ip Auto-assignment of IPv4 address in 169.254.x.x/16 range dhcp infix-dhcp-client Assignment of IPv4 address by DHCP server, e.g., 10.0.1.1/24 <p>Note</p> <p>The DHCP address method is only available for LAN interfaces (Ethernet, virtual Ethernet (veth), bridge, link aggregates, etc.)</p> <p>Supported DHCP (request) options, configurability (Cfg) and defaults, are listed below.  Configurable options can be disabled on a per client interface basis, some options, like <code>clientid</code> and option 81, are possible to set the value of as well.</p> Opt Name Cfg Description 1 <code>netmask</code> No Request IP address and netmask 3 <code>router</code> Yes Default route(s), see also option 121 and 249 6 <code>dns-server</code> Yes DNS server(s), static ones take precedence 12 <code>hostname</code> Yes DHCP cannot set hostname, only for informing server 15 <code>domain</code> Yes Default domain name, for name resolution 28 <code>broadcast</code> Yes Broadcast address, calculated if disabled 42 <code>ntp-server</code> Yes NTP server(s), static ones take precedence 50 <code>address</code> Yes Request (previously cached) address 61 <code>client-id</code> Yes Default MAC address (and option 12) 81 <code>fqdn</code> Yes Similar to option 12, request FQDN update in DNS 119 <code>search</code> Yes Request domain search list 121 <code>classless-static-route</code> Yes Classless static routes 249 <code>ms-classless-static-route</code> Yes Microsoft static route, same as option 121 <p>Default: <code>router</code>, <code>dns-server</code>, <code>domain</code>, <code>broadcast</code>, <code>ntp-server</code>, <code>search</code>,              <code>address</code>, <code>classless-static-route</code>, <code>ms-classless-static-route</code></p> <p>When configuring a DHCP client, ensure that the NTP client is enabled for the <code>ntp-server</code> DHCP option to be processed correctly.  If the NTP client is not enabled, any NTP servers provided by the DHCP server will be ignored. For details on how to enable the NTP client, see the NTP Client Configuration section.</p> <p>Important</p> <p>Per RFC3442, if the DHCP server returns both a Classless Static Routes option (121) and Router option (3), the DHCP client must ignore the latter.</p>"},{"location":"networking/#ipv6-address-assignment","title":"IPv6 Address Assignment","text":"<p>Multiple address assignment methods are available:</p> Type Yang Model Description static ietf-ip Static assignment of IPv6 address, e.g., 2001:db8:0:1::1/64 link-local ietf-ip<sup>2</sup> (RFC4862) Auto-configured link-local IPv6 address (fe80::0 prefix + interface identifier, e.g., fe80::ccd2:82ff:fe52:728b/64) global auto-conf ietf-ip (RFC4862) Auto-configured (stateless) global IPv6 address (prefix from router + interface identifier, e.g., 2001:db8:0:1:ccd2:82ff:fe52:728b/64 <p>Both for link-local and global auto-configuration, it is possible to auto-configure using a random suffix instead of the interface identifier.</p>"},{"location":"networking/#examples","title":"Examples","text":"<pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>To illustrate IP address configuration, the examples below uses a switch with a single Ethernet interface (eth0) and a loopback interface (lo). As shown above, these examples assume eth0 has an IPv6 link-local address and lo has static IPv4 and IPv6 addresses by default.</p>"},{"location":"networking/#static-and-link-local-ipv4-addresses","title":"Static and link-local IPv4 addresses","text":"<pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv4\nadmin@example:/config/interface/eth0/ipv4/&gt; set address 10.0.1.1 prefix-length 24\nadmin@example:/config/interface/eth0/ipv4/&gt; set autoconf\nadmin@example:/config/interface/eth0/ipv4/&gt; diff\n+interfaces {\n+  interface eth0 {\n+    ipv4 {\n+      address 10.0.1.1 {\n+        prefix-length 24;\n+      }\n+      autoconf;\n+    }\n+  }\n+}\nadmin@example:/config/interface/eth0/ipv4/&gt; leave\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv4                   169.254.1.3/16 (random)\n                ipv4                   10.0.1.1/24 (static)\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>As shown, the link-local IPv4 address is configured with <code>set autoconf</code>. The presence of the <code>autoconf</code> container enables IPv4 link-local address assignment. The resulting address (169.254.1.3/16) is of type random (ietf-ip.yang).</p> <p>The IPv4LL client also supports a <code>request-address</code> setting which can be used to \"seed\" the client's starting address.  If the address is free it will be used, otherwise it falls back to the default algorithm.</p> <pre><code>admin@example:/config/interface/eth0/ipv4/&gt; edit autoconf\nadmin@example:/config/interface/eth0/ipv4/autoconf/&gt; set request-address 169.254.1.2\nadmin@example:/config/interface/eth0/ipv4/autoconf/&gt; leave\n</code></pre>"},{"location":"networking/#use-of-dhcp-for-ipv4-address-assignment","title":"Use of DHCP for IPv4 address assignment","text":"<pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv4\nadmin@example:/config/interface/eth0/ipv4/&gt; set dhcp\nadmin@example:/config/interface/eth0/ipv4/&gt; leave\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv4                   10.1.2.100/24 (dhcp)\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>The resulting address (10.1.2.100/24) is of type dhcp.</p> <p>To configure DHCP client options, such as sending a specific hostname to the server, you can specify options with values:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv4 dhcp\nadmin@example:/config/interface/eth0/ipv4/dhcp/&gt; set option hostname value myhost\nadmin@example:/config/interface/eth0/ipv4/dhcp/&gt; show\noption hostname {\n  value myhost;\n}\nadmin@example:/config/interface/eth0/ipv4/dhcp/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Tip</p> <p>The special value <code>auto</code> can be used with the hostname option to automatically use the configured system hostname.</p> <p>Other useful DHCP options include:</p> <ul> <li><code>client-id</code> - Send a specific client identifier to the server</li> <li><code>route-preference</code> - Set the administrative distance for DHCP-learned routes (default: 5)</li> </ul> <p>For advanced usage with vendor-specific options, see the YANG model.</p>"},{"location":"networking/#disabling-ipv6-link-local-addresses","title":"Disabling IPv6 link-local address(es)","text":"<p>The (only) way to disable IPv6 link-local addresses is by disabling IPv6 on the interface.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv6\nadmin@example:/config/interface/eth0/ipv6/&gt; set enabled false\nadmin@example:/config/interface/eth0/ipv6/&gt; leave\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#static-ipv6-address","title":"Static IPv6 address","text":"<pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv6\nadmin@example:/config/interface/eth0/ipv6/&gt; set address 2001:db8::1 prefix-length 64\nadmin@example:/config/interface/eth0/ipv6/&gt; leave\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv6                   2001:db8::1/64 (static)\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#stateless-auto-configuration-of-global-ipv6-address","title":"Stateless Auto-configuration of Global IPv6 Address","text":"<p>Stateless address auto-configuration of global addresses is enabled by default. The address is formed by concatenating the network prefix advertised by the router (here 2001:db8:0:1::0/64) and the interface identifier.  The resulting address is of type link-layer, as it is formed based on the interface identifier (ietf-ip.yang).</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv6                   2001:db8:0:1:0:ff:fe00:0/64 (link-layer)\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>Disabling auto-configuration of global IPv6 addresses can be done as shown below.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv6\nadmin@example:/config/interface/eth0/ipv6/&gt; set autoconf create-global-addresses false\nadmin@example:/config/interface/eth0/ipv6/&gt; leave\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#random-link-identifiers-for-ipv6-stateless-autoconfiguration","title":"Random Link Identifiers for IPv6 Stateless Autoconfiguration","text":"<p>By default, the auto-configured link-local and global IPv6 addresses are formed from a link-identifier based on the MAC address.</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv6                   2001:db8:0:1:0:ff:fe00:0/64 (link-layer)\n                ipv6                   fe80::ff:fe00:0/64 (link-layer)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>To avoid revealing identity information in the IPv6 address, it is possible to specify use of a random identifier (ietf-ip.yang and RFC8981).</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface eth0 ipv6\nadmin@example:/config/interface/eth0/ipv6/&gt; set autoconf create-temporary-addresses true\nadmin@example:/config/interface/eth0/ipv6/&gt; leave\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\neth0            ethernet   UP          02:00:00:00:00:00\n                ipv6                   2001:db8:0:1:b705:8374:638e:74a8/64 (random)\n                ipv6                   fe80::ad3d:b274:885a:9ffb/64 (random)\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>Both the link-local address (fe80::) and the global address (2001:) have changed type to random.</p>"},{"location":"networking/#ipv4-forwarding","title":"IPv4 forwarding","text":"<p>To be able to route (static or dynamic) on the interface it is required to enable forwarding. This setting controls if packets received on this interface can be forwarded.</p> <pre><code>admin@example:/config/&gt; edit interface eth0\nadmin@example:/config/interface/eth0/&gt; set ipv4 forwarding\nadmin@example:/config/interface/eth0/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#ipv6-forwarding","title":"IPv6 forwarding","text":"<p>Due to how the Linux kernel manages IPv6 forwarding, we can not fully control it per interface via this setting like how IPv4 works.  Instead, IPv6 forwarding is globally enabled when at least one interface enable forwarding, otherwise it is disabled.</p> <p>The following table shows the system IPv6 features that the <code>forwarding</code> setting control when it is Enabled or *Disabled:</p> IPv6 Feature Enabled Disabled IsRouter set in Neighbour Advertisements Yes No Transmit Router Solicitations No Yes Router Advertisements are ignored Yes Yes Accept Redirects No Yes <pre><code>admin@example:/config/&gt; edit interface eth0\nadmin@example:/config/interface/eth0/&gt; set ipv6 forwarding\nadmin@example:/config/interface/eth0/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#routing-support","title":"Routing support","text":"<p>Currently supported YANG models:</p> YANG Model Description ietf-routing Base model for all other models ietf-ipv4-unicast-routing Static IPv4 unicast routing ietf-ipv6-unicast-routing Static IPv6 unicast routing ietf-ospf OSPF routing infix-routing Infix deviations and extensions <p>The base model, ietf-routing, is where all the other models hook in.  It is used to set configuration and read operational status (RIB tables) in the other models.</p> <p>Note</p> <p>The standard IETF routing models allows multiple instances, but Infix currently only support one instance per routing protocol!  In the examples presented here, the instance name <code>default</code> is used.</p>"},{"location":"networking/#ipv4-static-routes","title":"IPv4 Static routes","text":"<p>The standard IETF model for static routes reside under the <code>static</code> control plane protocol.  For our examples we use the instance name <code>default</code>, you can use any name.</p> <p>For a route with destination 192.168.200.0/24 via 192.168.1.1:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit routing control-plane-protocol static name default ipv4\nadmin@example:/config/routing/\u2026/ipv4/&gt; set route 192.168.200.0/24 next-hop next-hop-address 192.168.1.1\nadmin@example:/config/routing/\u2026/ipv4/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>For a \"floating\" static route with destination 10.0.0.0/16 via a backup router 192.168.1.1, using the highest possible distance:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit routing control-plane-protocol static name default ipv4\nadmin@example:/config/routing/\u2026/ipv4/&gt; set route 10.0.0.0/16 next-hop next-hop-address 192.168.1.1 route-preference 254\nadmin@example:/config/routing/\u2026/ipv4/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Tip</p> <p>Remember to enable IPv4 forwarding for the interfaces you want to route between.</p>"},{"location":"networking/#ipv6-static-routes","title":"IPv6 Static routes","text":"<pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit routing control-plane-protocol static name default ipv6\nadmin@example:/config/routing/\u2026/ipv6/&gt; set route 2001:db8:3c4d:200::/64 next-hop next-hop-address 2001:db8:3c4d:1::1\nadmin@example:/config/routing/\u2026/ipv6/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#ospfv2-routing","title":"OSPFv2 Routing","text":"<p>The system supports OSPF dynamic routing for IPv4, i.e., OSPFv2.  To enable OSPF and set one active interface in area 0:</p> <pre><code>admin@example:/config/&gt; edit routing control-plane-protocol ospfv2 name default ospf\nadmin@example:/config/routing/\u2026/ospf/&gt; set area 0.0.0.0 interface e0 enabled\nadmin@example:/config/routing/\u2026/ospf/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Tip</p> <p>Remember to enable IPv4 forwarding for all the interfaces you want to route between.</p>"},{"location":"networking/#ospf-area-types","title":"OSPF area types","text":"<p>In addition to regular OSPF areas, area types NSSA and Stub are also supported.  To configure an NSSA area with summary routes:</p> <pre><code>admin@example:/config/&gt; edit routing control-plane-protocol ospfv2 name default ospf\nadmin@example:/config/routing/\u2026/ospf/&gt; set area 0.0.0.1 area-type nssa-area\nadmin@example:/config/routing/\u2026/ospf/&gt; set area 0.0.0.1 summary true\nadmin@example:/config/routing/\u2026/ospf/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#bidirectional-forwarding-detection-bfd","title":"Bidirectional Forwarding Detection (BFD)","text":"<p>It is possible to enable BFD per OSPF interface to speed up detection of link loss.</p> <pre><code>admin@example:/config/&gt; edit routing control-plane-protocol ospfv2 name default ospf\nadmin@example:/config/routing/\u2026/ospf/&gt; set area 0.0.0.0 interface e0 bfd enabled true\nadmin@example:/config/routing/\u2026/ospf/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#ospf-interface-settings","title":"OSPF interface settings","text":"<p>We have already seen how to enable OSPF per interface (enabled true) and BFD for OSPF per interface (bfd enabled true).  These and other OSPF interface settings are done in context of an OSFP area, e.g., area 0.0.0.0.  Available commands can be listed using the <code>?</code> mark.</p> <pre><code>admin@example:/config/routing/\u2026/&gt; edit ospf area 0.0.0.0\nadmin@example:/config/routing/\u2026/ospf/area/0.0.0.0/&gt; edit interface e0\nadmin@example:/config/routing/\u2026/ospf/area/0.0.0.0/interface/e0/&gt; set ?\n  bfd                  BFD interface configuration.\n  cost                 Interface's cost.\n  dead-interval        Interval after which a neighbor is declared down\n  enabled              Enables/disables the OSPF protocol on the interface.\n  hello-interval       Interval between Hello packets (seconds).  It must\n  interface-type       Interface type.\n  passive              Enables/disables a passive interface.  A passive\n  retransmit-interval  Interval between retransmitting unacknowledged Link\n  transmit-delay       Estimated time needed to transmit Link State Update\nadmin@example:/config/routing/\u2026/ospf/area/0.0.0.0/interface/e0/&gt; set\n</code></pre> <p>For example, setting the OSPF interface type to point-to-point for an Ethernet interface can be done as follows.</p> <pre><code>admin@example:/config/routing/\u2026/ospf/area/0.0.0.0/interface/e0/&gt; set interface-type point-to-point\nadmin@example:/config/routing/\u2026/ospf/area/0.0.0.0/interface/e0/&gt;\n</code></pre>"},{"location":"networking/#ospf-global-settings","title":"OSPF global settings","text":"<p>In addition to area and interface specific settings, OSPF provides global settings for route redistribution and OSPF router identifier.</p> <pre><code>admin@example:/config/&gt; edit routing control-plane-protocol ospfv2 name default ospf\nadmin@example:/config/routing/\u2026/ospf/&gt; set ?\n  area                     List of OSPF areas.\n  default-route-advertise  Distribute default route to network\n  explicit-router-id       Defined in RFC 2328.  A 32-bit number\n  redistribute             Redistribute protocols into OSPF\nadmin@example:/config/routing/\u2026/ospf/&gt; set\n</code></pre> <ul> <li>Explicit router ID: By default the router will pick an IP address   from one of its OSPF interfaces as OSPF router ID. An explicit ID is   used to get a deterministic behavior, e.g., <code>set explicit-router-id   1.1.1.1</code>.</li> <li>Redistribution: <code>set redistribute static</code> and <code>set redistribute connected</code>   can be used to include static or connected routes into the OSPF routing   domain. These routes are redistributed as external type-2 (E2)   routes.</li> <li>Advertising default route: An OSPF router can be made to distribute   a default route into the OSPF domain by command <code>set   default-route-advertise enabled</code>. This route is distributed as long   as the router itself has an active default route in its routing   table. By adding command <code>set default-route-advertise always</code> the   router will distribute a default route even when it lacks a default   route. The default route will be distributed as an external type-2   (E2) route.</li> </ul>"},{"location":"networking/#debug-ospfv2","title":"Debug OSPFv2","text":"<p>Using NETCONF and the YANG model ietf-routing it is possible to read the OSPF routing table, neighbors and more, that may be useful for debugging the OSPFv2 setup. The CLI has various OSPF status commands such as <code>show ospf neighbor</code>, <code>show ospf interface</code> and <code>show ospf routes</code>.</p> <pre><code>admin@example:/&gt; show ospf neighbor\n\nNeighbor ID     Pri State           Up Time         Dead Time Address         Interface                        RXmtL RqstL DBsmL\n10.1.1.2          1 Full/-          3h46m59s          30.177s 10.1.1.2        e0:10.1.1.1                          0     0     0\n10.1.1.3          1 Full/-          3h46m55s          34.665s 10.1.1.3        e1:10.1.1.1                          0     0     0\n\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#view-routing-table","title":"View routing table","text":"<p>The routing table can be inspected from the operational datastore, XPath <code>/routing/ribs</code>, using sysrepocfg, NETCONF/RESTCONF, or using the CLI.</p>"},{"location":"networking/#ipv4-routing-table","title":"IPv4 routing table","text":"<p>This CLI example shows the IPv4 routing table with a few connected routes and some routes learned from OSPF.  See the next section for an explanation of route preferences (PREF).</p> <p>The <code>&gt;</code> at the start of a line marks a selected route (in the IETF YANG model referred to as active), if there are more than one route with the same destination the <code>*</code> marks the next-hop used and installed in the kernel FIB (the YANG model refers to this as installed).</p> <pre><code>admin@example:/&gt; show ip route\n   DESTINATION            PREF NEXT-HOP         PROTO     UPTIME\n&gt;* 0.0.0.0/0             110/2 10.0.23.1        ospfv2   4h2m43s\n&gt;* 10.0.0.1/32        110/4000 10.0.13.1        ospfv2   4h2m43s\n   10.0.0.3/32           110/0 lo               ospfv2   4h2m57s\n&gt;* 10.0.0.3/32             0/0 lo               direct   4h2m58s\n   10.0.13.0/30       110/2000 e5               ospfv2   4h2m57s\n&gt;* 10.0.13.0/30            0/0 e5               direct   4h2m58s\n   10.0.23.0/30          110/1 e6               ospfv2   4h2m57s\n&gt;* 10.0.23.0/30            0/0 e6               direct   4h2m58s\n   192.168.3.0/24        110/1 e2               ospfv2   4h2m57s\n&gt;* 192.168.3.0/24          0/0 e2               direct   4h2m58s\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#ipv6-routing-table","title":"IPv6 routing table","text":"<p>This CLI example show the IPv6 routing table.</p> <pre><code>admin@example:/&gt; show ipv6 route\n   DESTINATION                      PREF NEXT-HOP              PROTO     UPTIME\n&gt;* ::/0                              1/0 2001:db8:3c4d:50::1   static   0h1m20s\n&gt;* 2001:db8:3c4d:50::/64             0/0 e6                    direct   0h1m20s\n&gt;* 2001:db8:3c4d:200::1/128          0/0 lo                    direct   0h1m20s\n * fe80::/64                         0/0 e7                    direct   0h1m20s\n * fe80::/64                         0/0 e6                    direct   0h1m20s\n * fe80::/64                         0/0 e5                    direct   0h1m20s\n * fe80::/64                         0/0 e4                    direct   0h1m20s\n * fe80::/64                         0/0 e3                    direct   0h1m20s\n * fe80::/64                         0/0 e2                    direct   0h1m20s\n&gt;* fe80::/64                         0/0 e1                    direct   0h1m20s\nadmin@example:/&gt;\n</code></pre>"},{"location":"networking/#route-preference","title":"Route Preference","text":"<p>The operating system leverages FRRouting (Frr) as routing engine for both static and dynamic routing.  Even routes injected from a DHCP client, and IPv4 link-local (IPv4) routes, are injected into Frr to let it weigh all routes before installing them into the kernel routing table (sometimes referred to as FIB).</p> <p>Routes have different weights made up from a distance and a metric. The kernel routing table only talks about metric, which unfortunately is not the same -- this is one of the reasons why the term route preference is used instead.  It is recommended to use the CLI, or any of the other previously mentioned YANG based front-ends, to inspect the routing table.</p> <p>Default distances used (lower numeric value wins):</p> Distance Protocol 0 Kernel routes, i.e., connected routes 1 Static routes 5 DHCP routes 110 OSPF 254 IPv4LL (ZeroConf) device routes 255 Route will not be used or redistributed <p>Hence, a route learned from OSPF may be overridden by a static route set locally.  By default, even a route to the same destination, but with a different next-hop, learned from a DHCP server wins over an OSPF route.</p> <p>The distance used for static routes and DHCP routes can be changed by setting a different routing preference value.</p> <p>Note</p> <p>The kernel metric is an unsigned 32-bit value, which is read by Frr as (upper) 8 bits distance and 24 bits metric.  But it does not write it back to the kernel FIB this way, only selected routes are candidates to be installed in the FIB by Frr.</p>"},{"location":"networking/#source-protocol","title":"Source protocol","text":"<p>The source protocol describes the origin of the route.</p> Protocol Description kernel Added when setting a subnet address on an interface static User created, learned from DHCP, or IPv4LL ospfv2 Routes learned from OSPFv2 <p>The YANG model ietf-routing support multiple ribs but only two are currently supported, namely <code>ipv4</code> and <code>ipv6</code>.</p> <ol> <li> <p><code>(source MAC XOR destination MAC XOR EtherType) MODULO num_links</code> \u21a9</p> </li> <li> <p>Link-local IPv6 addresses are implicitly enabled when enabling IPv6.  IPv6 can be enabled/disabled per interface in the ietf-ip YANG model.\u00a0\u21a9</p> </li> <li> <p>For example, IPv4 groups are mapped to MAC multicast addresses by mapping the low-order 23-bits of the IP address in the low-order 23 bits of the Ethernet address 01:00:5E:00:00:00.  Meaning, more than one IP multicast group maps to the same MAC multicast group.\u00a0\u21a9</p> </li> <li> <p>A YANG deviation was previously used to make it possible to set <code>phys-address</code>, but this has been replaced with the more flexible <code>custom-phys-address</code>.\u00a0\u21a9</p> </li> <li> <p>MAC bridges on Marvell Linkstreet devices are currently limited to a single MAC database, this may be a problem if the same MAC address appears in different MAC bridges.\u00a0\u21a9</p> </li> <li> <p>Ethernet counters are described in ieee802-ethernet-interface.yang and infix-ethernet-interface.yang.  There is a dedicated document on Ethernet Counters that provide additional details on the statistics support.\u00a0\u21a9</p> </li> </ol>"},{"location":"override-package/","title":"Developing with Buildroot","text":""},{"location":"override-package/#package-override","title":"Package Override","text":"<p>This guide demonstrates how the <code>local.mk</code> file is utilized to override a Buildroot package, which can be very useful when fixing bugs, adding features, or evaluating new releases of packages.  As an example we use <code>tcpdump</code> to illustrate this process.</p> <p>Tip</p> <p>For a comprehensive guide to utilizing Buildroot during development, including the <code>&lt;pkg&gt;_OVERRIDE_SRCDIR</code> mechanism, shown below, please see Using Buildroot during development in the official docs.</p>"},{"location":"override-package/#setup","title":"Setup","text":"<p>Since the <code>output/</code> directory is often wiped for rebuilds, make sure you keep the file <code>local.mk</code> in the top directory and only symlink it to your build directory:</p> <pre><code>~$ cd infix/\n~/infix(main)$ touch local.mk\n~/infix/output(main)$ ln -s ../local.mk .\n~/infix/output(main)$ cd ..\n</code></pre>"},{"location":"override-package/#override","title":"Override","text":"<p>Now edit the file:</p> <pre><code>~/infix(main)$ editor local.mk\n</code></pre> <p>Add an override for <code>tcpdump</code>.  The file is a Makefile snippet so you can add a lot of things.  Comment out lines with the UNIX comment <code>#</code> character if needed:</p> <pre><code>TCPDUMP_OVERRIDE_SRCDIR = /path/to/tcpdump/repo\n</code></pre>"},{"location":"override-package/#building","title":"Building","text":"<p>The execution of <code>make tcpdump-rebuild all</code> triggers a process where Buildroot synchronizes the tcpdump source code from the specified override directory to <code>output/build/tcpdump-custom</code>, followed by the rebuilding of the entire project.</p> <pre><code>~/infix$(main)$ make tcpdump-rebuild all\n</code></pre> <p>Buildroot follows a process of downloading and processing tarballs: extraction, configuration, compilation, and installation.  The source for each package is extracted to a temporary build directory:</p> <pre><code>output/build/&lt;package&gt;-&lt;version&gt;    # e.g., tcpdump-4.99.4\n</code></pre> <p>Let's have a look at what we got:</p> <pre><code>~/infix$(main)$ ll /output/build/ | grep tcpdump\ndrwxr-xr-x   7 group user 20480 Nov 10 18:26 tcpdump-4.99.4/\ndrwxr-xr-x   7 group user 12288 Nov 10 18:28 tcpdump-custom/\n</code></pre> <p>As long as your local override is in place, Buildroot will use your custom version.</p> <p>Note</p> <p>Remember, the build directory is ephemeral, so be careful to change any of the files therein.  It can be useful though during debugging, but just make sure to learn the difference between the various Buildroot commands to build, clean, reconfigure, etc.</p>"},{"location":"qos/","title":"Quality of Service","text":""},{"location":"qos/#quality-of-service","title":"Quality of Service","text":"<p>On occasion, most networks will experience congestion due to some extraordinary load being placed upon it. If the load is transient, switches and routers may be able to absorb such bursts of traffic by queuing packets in internal memories. However, if the load is sustained over long periods of time, queues will fill up and packets will start to be dropped. When such situations arise, it is the job of the network's Quality of Service (QoS) policy to define which packets to drop and which ones to prioritize, such that critical services remain operational.</p>"},{"location":"qos/#hardware-forwarded-traffic","title":"Hardware Forwarded Traffic","text":"<p>The default QoS policy for flows which are offloaded to a switching ASIC is defined by the hardware defaults of the device in question.</p>"},{"location":"qos/#marvell-linkstreet","title":"Marvell LinkStreet","text":"<p>This family of devices, sometimes also referred to as SOHO, are managed by the <code>mv88e6xxx</code> driver in the Linux kernel. While older chips in this family where limited to 4 output queues per port, this documentation is only valid for newer generations with 8 output queues per port.</p> <p></p> <p>The picture illustrates packets having their priority determined at ingress, here interface e1 and e3. In this example, both packets are forwarded to the same outgoing interface (e2), subject to output queueing. The sections below provides more information on these topics. </p>"},{"location":"qos/#default-policy","title":"Default Policy","text":""},{"location":"qos/#queueing","title":"Queueing","text":"<p>Both layer 2 (VLAN PCP) and layer 3 (IP DSCP) priority marks are considered when selecting the output queue of an incoming frame. PCP to queue mapping is done 1:1. For IP packets, the 3 most significant bits of the DSCP is used to select the queue:</p> PCP DSCP \u21d2 Queue Weight 0 0-7 \u21d2 0 1 1 8-15 \u21d2 1 2 2 16-23 \u21d2 2 3 3 24-31 \u21d2 3 6 4 32-39 \u21d2 4 12 5 40-47 \u21d2 5 17 6 48-55 \u21d2 6 25 7 56-63 \u21d2 7 33 <p>For packets containing both a VLAN tag and an IP header, PCP priority takes precedence over DSCP priority. In cases where neither are available, packets are always assigned to queue 0.</p> <p>Each port's set of 8 egress queues operate on a Weighted Round Robin (WRR) schedule, using the weights listed in the table above. The sum of all weights adds up to 99, meaning that the weight of any given queue is roughly equivalent to the percentage of the available bandwidth reserved for it.</p>"},{"location":"qos/#marking","title":"Marking","text":"<p>Any priority marks available on ingress are left unmodified when the frame egresses an output port. In the case when an IP packet ingresses without a VLAN tag, and is to egress with a VLAN tag, its PCP is set to the 3 most significant bits of it. If no priority information is available in the frame on ingress (i.e. untagged non-IP), then packets will egress out of tagged ports with PCP set to 0.</p>"},{"location":"qos/#software-forwarded-traffic","title":"Software Forwarded Traffic","text":"<p>For packets which are processed by a CPU, i.e. typically routed traffic, and bridged traffic between interfaces that do not belong to the same hardware switching domain, an nftables container can be used to define a QoS policy.</p> <p>For VLAN interfaces, Infix provides support for mapping the Priority Code Point (PCP) to internal priority on ingress, and the reverse on egress. </p> <p></p> <p>These <code>ingress-qos</code> and <code>egress-qos</code> settings are done per VLAN, both defaulting to '0'. The example below shows how to keep the PCP priority  for packets being routed between two VLAN interfaces.</p> <pre><code>admin@example:/config/&gt; edit interface e1.10\nadmin@example:/config/interface/e1.10/&gt; set vlan ingress-qos priority from-pcp \nadmin@example:/config/interface/e1.10/&gt; up\nadmin@example:/config/&gt; edit interface e1.20\nadmin@example:/config/interface/e1.20/&gt; set vlan egress-qos pcp from-priority \nadmin@example:/config/interface/e1.20/&gt; leave\nadmin@example:/&gt; \n</code></pre>"},{"location":"qos/#a-complex-example","title":"A complex example","text":"<p>The picture below shows a packet flow being subject both to software forwarding and hardware offloading.</p> <p></p>"},{"location":"scripting-netconf/","title":"With NETCONF","text":""},{"location":"scripting-netconf/#scripting-with-netconf","title":"Scripting with NETCONF","text":"<p>NETCONF (Network Configuration Protocol) provides a standardized mechanism for managing network devices using XML-based RPC operations over SSH (port 830). This guide shows practical examples for interacting with Infix using NETCONF.</p> <p>NETCONF offers robust capabilities for network automation:</p> <ul> <li>Transactional operations: Validate before commit, rollback on error</li> <li>Fine-grained locking: Prevent concurrent configuration conflicts</li> <li>Structured data: XML with YANG schema validation</li> <li>Standardized operations: Get, edit-config, copy-config, etc.</li> </ul>"},{"location":"scripting-netconf/#netconf-vs-restconf","title":"NETCONF vs RESTCONF","text":"<p>Both protocols use the same YANG data models, but differ in approach:</p> Feature NETCONF RESTCONF Transport SSH HTTPS Encoding XML JSON/XML Operations RPC-based REST/HTTP methods Best for Automation scripts Web integration, simple queries <p>Choose NETCONF when you need:</p> <ul> <li>Transactional configuration changes</li> <li>Configuration validation before commit</li> <li>Locking to prevent concurrent changes</li> <li>Integration with existing NETCONF tooling</li> </ul> <p>Choose RESTCONF for:</p> <ul> <li>Simple queries and updates</li> <li>Web-based applications</li> <li>When you prefer JSON over XML</li> <li>RESTful API patterns</li> </ul>"},{"location":"scripting-netconf/#quick-start-with-netopeer2-cli","title":"Quick Start with netopeer2-cli","text":"<p><code>netopeer2-cli</code> is an interactive NETCONF client, useful for learning and testing. Install it:</p> <pre><code>~$ sudo apt install netopeer2-cli\n</code></pre> <p>Connect to your Infix device:</p> <pre><code>~$ netopeer2-cli\n&gt; connect --host example.local --login admin\nadmin@example.local password:\n&gt; status\nCurrent NETCONF session:\n  ID          : 1\n  Host        : example.local\n  Port        : 830\n  Transport   : SSH\n  Capabilities: 35\n</code></pre>"},{"location":"scripting-netconf/#basic-operations-in-netopeer2-cli","title":"Basic Operations in netopeer2-cli","text":"<p>Get entire configuration:</p> <pre><code>&gt; get-config --source running\n</code></pre> <p>Get specific subtree (hostname):</p> <pre><code>&gt; get-config --source running --filter-xpath /system/hostname\n&lt;data xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n    &lt;hostname&gt;example&lt;/hostname&gt;\n  &lt;/system&gt;\n&lt;/data&gt;\n</code></pre> <p>Get operational state:</p> <pre><code>&gt; get --filter-xpath /interfaces\n</code></pre> <p>Edit configuration:</p> <pre><code>&gt; edit-config --target candidate --config=/tmp/config.xml\n&gt; commit\n</code></pre> <p>Disconnect:</p> <pre><code>&gt; disconnect\n&gt; quit\n</code></pre>"},{"location":"scripting-netconf/#discovery-common-patterns","title":"Discovery &amp; Common Patterns","text":"<p>Before working with specific configuration items, you often need to discover what exists on the system. This section shows common discovery patterns and practical workflows.</p>"},{"location":"scripting-netconf/#discovering-available-interfaces","title":"Discovering Available Interfaces","text":"<p>List all interface names:</p> <pre><code>&lt;rpc message-id=\"1\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;get&gt;\n    &lt;filter type=\"subtree\"&gt;\n      &lt;interfaces xmlns=\"urn:ietf:params:xml:ns:yang:ietf-interfaces\"&gt;\n        &lt;interface&gt;\n          &lt;name/&gt;\n        &lt;/interface&gt;\n      &lt;/interfaces&gt;\n    &lt;/filter&gt;\n  &lt;/get&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Using netopeer2-cli:</p> <pre><code>&gt; get --filter-xpath /interfaces/interface/name\n</code></pre> <p>This returns all interface names, useful for iterating through interfaces in scripts.</p>"},{"location":"scripting-netconf/#get-all-yang-capabilities","title":"Get All YANG Capabilities","text":"<p>Discover which YANG modules and features are available:</p> <pre><code>&gt; status\n</code></pre> <p>Or programmatically via the <code>&lt;hello&gt;</code> message capabilities received during connection establishment.</p>"},{"location":"scripting-netconf/#get-entire-running-configuration","title":"Get Entire Running Configuration","text":"<p>Useful for exploration or backup:</p> <pre><code>&lt;rpc message-id=\"2\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;get-config&gt;\n    &lt;source&gt;\n      &lt;running/&gt;\n    &lt;/source&gt;\n  &lt;/get-config&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Using netopeer2-cli:</p> <pre><code>&gt; get-config --source running\n</code></pre>"},{"location":"scripting-netconf/#common-workflow-patterns","title":"Common Workflow Patterns","text":""},{"location":"scripting-netconf/#pattern-1-find-interface-by-ip-address","title":"Pattern 1: Find interface by IP address","text":"<p>Get all interfaces with their IPs, then filter:</p> <pre><code>&gt; get --filter-xpath /interfaces\n</code></pre> <p>Parse the XML output to find which interface has the desired IP.</p>"},{"location":"scripting-netconf/#pattern-2-check-which-interfaces-are-down","title":"Pattern 2: Check which interfaces are down","text":"<pre><code>&gt; get --filter-xpath /interfaces/interface/oper-status\n</code></pre> <p>Look for interfaces with <code>&lt;oper-status&gt;down&lt;/oper-status&gt;</code>.</p>"},{"location":"scripting-netconf/#pattern-3-get-interface-statistics-for-monitoring","title":"Pattern 3: Get interface statistics for monitoring","text":"<pre><code>&lt;rpc message-id=\"3\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;get&gt;\n    &lt;filter type=\"subtree\"&gt;\n      &lt;interfaces xmlns=\"urn:ietf:params:xml:ns:yang:ietf-interfaces\"&gt;\n        &lt;interface&gt;\n          &lt;statistics/&gt;\n        &lt;/interface&gt;\n      &lt;/interfaces&gt;\n    &lt;/filter&gt;\n  &lt;/get&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Returns in-octets, out-octets, in-errors, out-errors for all interfaces.</p>"},{"location":"scripting-netconf/#scripting-with-netconf-client","title":"Scripting with netconf-client","text":"<p>netconf-client is a lightweight Python-based NETCONF client designed for scripting and automation.</p>"},{"location":"scripting-netconf/#installation","title":"Installation","text":"<pre><code>~$ pip install netconf-client\n</code></pre> <p>Or clone and install from source:</p> <pre><code>~$ git clone https://github.com/wires-se/netconf-client.git\n~$ cd netconf-client\n~$ pip install .\n</code></pre>"},{"location":"scripting-netconf/#basic-usage","title":"Basic Usage","text":"<p>The client provides a simple command-line interface:</p> <pre><code>~$ netconf-client --host example.local --user admin --password admin &lt;operation&gt;\n</code></pre> <p>Common operations:</p> <ul> <li><code>get-config</code> - Retrieve configuration</li> <li><code>edit-config</code> - Modify configuration</li> <li><code>get</code> - Retrieve operational state</li> <li><code>copy-config</code> - Copy between datastores</li> <li><code>lock/unlock</code> - Lock datastores</li> <li><code>commit</code> - Commit candidate configuration</li> </ul>"},{"location":"scripting-netconf/#python-api","title":"Python API","text":"<p>You can also use netconf-client as a Python library:</p> <pre><code>from netconf_client.client import NetconfClient\n\n# Connect\nclient = NetconfClient(\n    host='example.local',\n    username='admin',\n    password='admin'\n)\n\n# Get configuration\nconfig = client.get_config(source='running')\nprint(config)\n\n# Edit configuration\nxml_config = \"\"\"\n&lt;config&gt;\n  &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n    &lt;hostname&gt;newhostname&lt;/hostname&gt;\n  &lt;/system&gt;\n&lt;/config&gt;\n\"\"\"\nclient.edit_config(target='candidate', config=xml_config)\nclient.commit()\n\n# Close connection\nclient.close()\n</code></pre>"},{"location":"scripting-netconf/#configuration-examples","title":"Configuration Examples","text":""},{"location":"scripting-netconf/#read-hostname","title":"Read Hostname","text":"<p>XML request:</p> <pre><code>&lt;rpc message-id=\"1\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;get-config&gt;\n    &lt;source&gt;\n      &lt;running/&gt;\n    &lt;/source&gt;\n    &lt;filter type=\"subtree\"&gt;\n      &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n        &lt;hostname/&gt;\n      &lt;/system&gt;\n    &lt;/filter&gt;\n  &lt;/get-config&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Using netopeer2-cli:</p> <pre><code>&gt; get-config --source running --filter-xpath /system/hostname\n</code></pre> <p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     get-config --source running --xpath /system/hostname\n</code></pre> <p>Response:</p> <pre><code>&lt;rpc-reply message-id=\"1\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;data&gt;\n    &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n      &lt;hostname&gt;example&lt;/hostname&gt;\n    &lt;/system&gt;\n  &lt;/data&gt;\n&lt;/rpc-reply&gt;\n</code></pre>"},{"location":"scripting-netconf/#set-hostname","title":"Set Hostname","text":"<p>XML request:</p> <pre><code>&lt;rpc message-id=\"2\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;edit-config&gt;\n    &lt;target&gt;\n      &lt;candidate/&gt;\n    &lt;/target&gt;\n    &lt;config&gt;\n      &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n        &lt;hostname&gt;newhostname&lt;/hostname&gt;\n      &lt;/system&gt;\n    &lt;/config&gt;\n  &lt;/edit-config&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Using netopeer2-cli:</p> <p>Save the config to <code>/tmp/hostname.xml</code>:</p> <pre><code>&lt;config&gt;\n  &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n    &lt;hostname&gt;newhostname&lt;/hostname&gt;\n  &lt;/system&gt;\n&lt;/config&gt;\n</code></pre> <p>Then apply:</p> <pre><code>&gt; edit-config --target candidate --config=/tmp/hostname.xml\n&gt; commit\n</code></pre> <p>Using netconf-client:</p> <pre><code>~$ cat &gt; hostname.xml &lt;&lt;EOF\n&lt;config&gt;\n  &lt;system xmlns=\"urn:ietf:params:xml:ns:yang:ietf-system\"&gt;\n    &lt;hostname&gt;newhostname&lt;/hostname&gt;\n  &lt;/system&gt;\n&lt;/config&gt;\nEOF\n\n~$ netconf-client --host example.local --user admin \\\n     edit-config --target candidate --config hostname.xml\n\n~$ netconf-client --host example.local --user admin commit\n</code></pre>"},{"location":"scripting-netconf/#add-ip-address-to-interface","title":"Add IP Address to Interface","text":"<p>Save the config to <code>ip-config.xml</code>:</p> <pre><code>&lt;config&gt;\n  &lt;interfaces xmlns=\"urn:ietf:params:xml:ns:yang:ietf-interfaces\"&gt;\n    &lt;interface&gt;\n      &lt;name&gt;eth0&lt;/name&gt;\n      &lt;ipv4 xmlns=\"urn:ietf:params:xml:ns:yang:ietf-ip\"&gt;\n        &lt;address&gt;\n          &lt;ip&gt;192.168.1.100&lt;/ip&gt;\n          &lt;prefix-length&gt;24&lt;/prefix-length&gt;\n        &lt;/address&gt;\n      &lt;/ipv4&gt;\n    &lt;/interface&gt;\n  &lt;/interfaces&gt;\n&lt;/config&gt;\n</code></pre> <p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     edit-config --target candidate --config ip-config.xml\n~$ netconf-client --host example.local --user admin commit\n</code></pre>"},{"location":"scripting-netconf/#copy-running-to-startup","title":"Copy Running to Startup","text":"<p>XML request:</p> <pre><code>&lt;rpc message-id=\"3\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;copy-config&gt;\n    &lt;source&gt;\n      &lt;running/&gt;\n    &lt;/source&gt;\n    &lt;target&gt;\n      &lt;startup/&gt;\n    &lt;/target&gt;\n  &lt;/copy-config&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Using netopeer2-cli:</p> <pre><code>&gt; copy-config --source running --target startup\n</code></pre> <p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     copy-config --source running --target startup\n</code></pre>"},{"location":"scripting-netconf/#operational-data-examples","title":"Operational Data Examples","text":""},{"location":"scripting-netconf/#read-interface-state","title":"Read Interface State","text":"<p>XML request:</p> <pre><code>&lt;rpc message-id=\"4\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"&gt;\n  &lt;get&gt;\n    &lt;filter type=\"subtree\"&gt;\n      &lt;interfaces xmlns=\"urn:ietf:params:xml:ns:yang:ietf-interfaces\"&gt;\n        &lt;interface&gt;\n          &lt;name&gt;eth0&lt;/name&gt;\n        &lt;/interface&gt;\n      &lt;/interfaces&gt;\n    &lt;/filter&gt;\n  &lt;/get&gt;\n&lt;/rpc&gt;\n</code></pre> <p>Using netopeer2-cli:</p> <pre><code>&gt; get --filter-xpath /interfaces/interface[name='eth0']\n</code></pre> <p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     get --xpath \"/interfaces/interface[name='eth0']\"\n</code></pre> <p>This returns operational state including admin/oper status, statistics, MAC address, MTU, and IP addresses.</p>"},{"location":"scripting-netconf/#read-all-interfaces","title":"Read All Interfaces","text":"<p>Using netopeer2-cli:</p> <pre><code>&gt; get --filter-xpath /interfaces\n</code></pre> <p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     get --xpath /interfaces\n</code></pre>"},{"location":"scripting-netconf/#read-routing-table","title":"Read Routing Table","text":"<p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     get --xpath \"/routing/ribs/rib[name='ipv4-default']\"\n</code></pre>"},{"location":"scripting-netconf/#read-ospf-neighbors","title":"Read OSPF Neighbors","text":"<p>Using netconf-client:</p> <pre><code>~$ netconf-client --host example.local --user admin \\\n     get --xpath \"/routing/control-plane-protocols/control-plane-protocol[type='ietf-ospf:ospfv2'][name='default']/ietf-ospf:ospf\"\n</code></pre>"},{"location":"scripting-netconf/#advanced-scripting","title":"Advanced Scripting","text":""},{"location":"scripting-netconf/#python-script-backup-configuration","title":"Python Script: Backup Configuration","text":"<pre><code>#!/usr/bin/env python3\nfrom netconf_client.client import NetconfClient\nfrom datetime import datetime\nimport sys\n\ndef backup_config(host, user, password, output_file):\n    try:\n        # Connect\n        client = NetconfClient(host=host, username=user, password=password)\n\n        # Get running config\n        config = client.get_config(source='running')\n\n        # Save to file with timestamp\n        timestamp = datetime.now().strftime('%Y%m%d-%H%M%S')\n        filename = f\"{output_file}-{timestamp}.xml\"\n\n        with open(filename, 'w') as f:\n            f.write(config)\n\n        print(f\"Configuration backed up to {filename}\")\n\n        client.close()\n        return 0\n\n    except Exception as e:\n        print(f\"Error: {e}\", file=sys.stderr)\n        return 1\n\nif __name__ == '__main__':\n    if len(sys.argv) != 5:\n        print(f\"Usage: {sys.argv[0]} &lt;host&gt; &lt;user&gt; &lt;password&gt; &lt;output_prefix&gt;\")\n        sys.exit(1)\n\n    sys.exit(backup_config(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4]))\n</code></pre> <p>Usage:</p> <pre><code>~$ chmod +x backup.py\n~$ ./backup.py example.local admin admin config-backup\nConfiguration backed up to config-backup-20250102-143022.xml\n</code></pre>"},{"location":"scripting-netconf/#python-script-monitor-interface-statistics","title":"Python Script: Monitor Interface Statistics","text":"<pre><code>#!/usr/bin/env python3\nfrom netconf_client.client import NetconfClient\nimport xml.etree.ElementTree as ET\nimport time\nimport sys\n\ndef get_interface_stats(client, interface):\n    \"\"\"Get interface statistics\"\"\"\n    xpath = f\"/interfaces/interface[name='{interface}']/statistics\"\n    data = client.get(filter_xpath=xpath)\n\n    # Parse XML to extract counters\n    root = ET.fromstring(data)\n    ns = {'if': 'urn:ietf:params:xml:ns:yang:ietf-interfaces'}\n\n    stats = {}\n    for stat in root.findall('.//if:statistics/*', ns):\n        stats[stat.tag.split('}')[1]] = int(stat.text)\n\n    return stats\n\ndef monitor_interface(host, user, password, interface, interval=5):\n    \"\"\"Monitor interface statistics\"\"\"\n    client = NetconfClient(host=host, username=user, password=password)\n\n    print(f\"Monitoring {interface} on {host} (Ctrl-C to stop)\")\n    print(f\"{'Time':&lt;20} {'RX Packets':&lt;15} {'TX Packets':&lt;15} {'RX Bytes':&lt;15} {'TX Bytes':&lt;15}\")\n    print(\"-\" * 80)\n\n    try:\n        while True:\n            stats = get_interface_stats(client, interface)\n            timestamp = time.strftime('%Y-%m-%d %H:%M:%S')\n\n            print(f\"{timestamp:&lt;20} \"\n                  f\"{stats.get('in-unicast-pkts', 0):&lt;15} \"\n                  f\"{stats.get('out-unicast-pkts', 0):&lt;15} \"\n                  f\"{stats.get('in-octets', 0):&lt;15} \"\n                  f\"{stats.get('out-octets', 0):&lt;15}\")\n\n            time.sleep(interval)\n\n    except KeyboardInterrupt:\n        print(\"\\nMonitoring stopped\")\n    finally:\n        client.close()\n\nif __name__ == '__main__':\n    if len(sys.argv) &lt; 5:\n        print(f\"Usage: {sys.argv[0]} &lt;host&gt; &lt;user&gt; &lt;password&gt; &lt;interface&gt; [interval]\")\n        sys.exit(1)\n\n    interval = int(sys.argv[5]) if len(sys.argv) &gt; 5 else 5\n    monitor_interface(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4], interval)\n</code></pre> <p>Usage:</p> <pre><code>~$ chmod +x monitor.py\n~$ ./monitor.py example.local admin admin eth0 2\nMonitoring eth0 on example.local (Ctrl-C to stop)\nTime                 RX Packets      TX Packets      RX Bytes        TX Bytes\n--------------------------------------------------------------------------------\n2025-01-02 14:35:10  12453          8932           1847392        892341\n2025-01-02 14:35:12  12489          8967           1851204        895673\n...\n</code></pre>"},{"location":"scripting-netconf/#shell-script-batch-configuration","title":"Shell Script: Batch Configuration","text":"<pre><code>#!/bin/bash\n# Apply configuration to multiple devices\n\nDEVICES=\"device1.local device2.local device3.local\"\nUSER=\"admin\"\nPASSWORD=\"admin\"\nCONFIG_FILE=\"$1\"\n\nif [ -z \"$CONFIG_FILE\" ]; then\n    echo \"Usage: $0 &lt;config.xml&gt;\"\n    exit 1\nfi\n\nfor device in $DEVICES; do\n    echo \"Configuring $device...\"\n\n    # Edit candidate\n    netconf-client --host \"$device\" --user \"$USER\" --password \"$PASSWORD\" \\\n        edit-config --target candidate --config \"$CONFIG_FILE\"\n\n    if [ $? -eq 0 ]; then\n        # Commit if edit succeeded\n        netconf-client --host \"$device\" --user \"$USER\" --password \"$PASSWORD\" commit\n        echo \"  \u2713 $device configured successfully\"\n    else\n        echo \"  \u2717 $device configuration failed\"\n    fi\ndone\n</code></pre>"},{"location":"scripting-netconf/#other-netconf-tools","title":"Other NETCONF Tools","text":""},{"location":"scripting-netconf/#ncclient-python","title":"ncclient (Python)","text":"<p>Popular Python library for NETCONF:</p> <pre><code>~$ pip install ncclient\n</code></pre> <p>Example:</p> <pre><code>from ncclient import manager\n\nwith manager.connect(host='example.local', port=830,\n                     username='admin', password='admin',\n                     hostkey_verify=False) as m:\n    # Get config\n    c = m.get_config(source='running')\n    print(c)\n</code></pre>"},{"location":"scripting-netconf/#ansible","title":"Ansible","text":"<p>Ansible includes NETCONF modules for automation:</p> <pre><code>- name: Get interface config\n  netconf_get:\n    source: running\n    filter: &lt;interfaces xmlns=\"urn:ietf:params:xml:ns:yang:ietf-interfaces\"/&gt;\n</code></pre>"},{"location":"scripting-netconf/#cisco-tools","title":"Cisco Tools","text":"<ul> <li>NSO (Network Services Orchestrator): Enterprise orchestration platform</li> <li>YANG Suite: Web-based YANG exploration and testing tool</li> <li>Cisco pyATS: Network test automation</li> </ul>"},{"location":"scripting-netconf/#troubleshooting","title":"Troubleshooting","text":""},{"location":"scripting-netconf/#enable-netconf-debugging","title":"Enable NETCONF Debugging","text":"<p>For netconf-client, use verbose mode:</p> <pre><code>~$ netconf-client --host example.local --user admin --verbose get-config\n</code></pre> <p>For netopeer2-cli, enable debug output:</p> <pre><code>&gt; debug 1\n&gt; get-config --source running\n</code></pre>"},{"location":"scripting-netconf/#common-issues","title":"Common Issues","text":"<p>Connection refused:</p> <ul> <li>Verify SSH is running on port 830: <code>ssh -p 830 admin@example.local</code></li> <li>Check firewall rules</li> </ul> <p>Authentication failed:</p> <ul> <li>Verify credentials</li> <li>Check user has NETCONF access permissions</li> </ul> <p>Operation not supported:</p> <ul> <li>Verify NETCONF capability: <code>netopeer2-cli</code> \u2192 <code>status</code> \u2192 check capabilities</li> <li>Some operations require specific YANG modules</li> </ul>"},{"location":"scripting-netconf/#references","title":"References","text":"<ul> <li>NETCONF Protocol (RFC 6241)</li> <li>netconf-client on GitHub</li> <li>netopeer2 Documentation</li> <li>YANG Data Modeling Language (RFC 7950)</li> <li>ietf-interfaces YANG module</li> <li>ietf-system YANG module</li> <li>ncclient Documentation</li> </ul>"},{"location":"scripting-prod/","title":"Production Testing","text":""},{"location":"scripting-prod/#scripting-for-production-tests","title":"Scripting for Production Tests","text":"<p>This document shows how to set up and remotely script devices with a focus on production testing.</p>"},{"location":"scripting-prod/#vlan-snake","title":"VLAN Snake","text":"<p>As part of production tests, verification of Ethernet ports is usually expected.  A common way for devices with multiple bridged Ethernet ports is to connect a test PC to two ports and send a ping traversing all ports.  This can be achieved by using VLANs, on the switch, as described in this section.  The resulting configuration file can be applied to the running configuration of the produced unit, e.g, use config file restore as described previously.</p> <p>In this example we assume a 10 port switch, with ports e1-e10.  The following VLAN configuration and cable connections will be used:</p> VLAN &amp; Ports Connect VLAN 10: e1 &amp; e2 e2 &lt;=&gt; e3 VLAN 20: e3 &amp; e4 e4 &lt;=&gt; e5 VLAN 30: e5 &amp; e6 e6 &lt;=&gt; e7 VLAN 40: e7 &amp; e8 e8 &lt;=&gt; e9 VLAN 50: e9 &amp; e10 <p>The test PC is connected to e1 and e10 via different interfaces (alternatively, two different PCs are used).</p> <p>Tip</p> <p>Configuration here is done via console. When configuring remotely over SSH, remember to keep one IP address (the one used for the SSH connection)! I.e., set a static IP address first, then perform the VLAN configuration step.</p>"},{"location":"scripting-prod/#configuration-at-start","title":"Configuration at Start","text":"<p>Starting out, we assume a configuration where all ports are network interfaces (possibly with IPv6 enabled).</p> <pre><code>admin@example:/&gt; show interfaces\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\ne1              ethernet   LOWER-DOWN  00:53:00:06:11:01\ne2              ethernet   LOWER-DOWN  00:53:00:06:11:02\ne3              ethernet   LOWER-DOWN  00:53:00:06:11:03\ne4              ethernet   LOWER-DOWN  00:53:00:06:11:04\ne5              ethernet   LOWER-DOWN  00:53:00:06:11:05\ne6              ethernet   LOWER-DOWN  00:53:00:06:11:06\ne7              ethernet   LOWER-DOWN  00:53:00:06:11:07\ne8              ethernet   LOWER-DOWN  00:53:00:06:11:08\ne9              ethernet   LOWER-DOWN  00:53:00:06:11:09\ne10             ethernet   UP          00:53:00:06:11:0a\n                ipv6                   fe80::0053:00ff:fe06:110a/64 (link-layer)\nadmin@example:/&gt;\n</code></pre>"},{"location":"scripting-prod/#creating-bridge-and-adding-ports","title":"Creating Bridge and Adding Ports","text":"<p>The following example creates a bridge and adds all Ethernet ports to it.  On a device with layer-2 offloading (switch fabric), this sets all ports in the same VLAN.  The next section sets up VLAN isolation.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface br0\nadmin@example:/config/interface/br0/&gt; end\nadmin@example:/config/&gt; set interface e1 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e2 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e3 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e4 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e5 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e6 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e7 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e8 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e9 bridge-port bridge br0\nadmin@example:/config/&gt; set interface e10 bridge-port bridge br0\nadmin@example:/config/&gt;\n</code></pre> <p>The interface status can be viewed using <code>show interfaces</code> after leaving configuration context.  When configuring via SSH, first assign an IP address to <code>br0</code> before leaving configuration context, e.g.</p> <pre><code>admin@example:/config/&gt; set interface br0 ipv6 enabled\n</code></pre> <p>This enables IPv6 SLAAC, auto-configured address.  Or skip <code>leave</code> and stay in configuration context until you have completed all the device setup, including setting IP address.</p> <pre><code>admin@example:/config/&gt; leave\nadmin@example:/&gt;\nadmin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nbr0             bridge\n\u2502               ethernet   UP          00:53:00:06:11:01\n\u251c e1            bridge     LOWER-DOWN\n\u251c e2            bridge     LOWER-DOWN\n\u251c e3            bridge     LOWER-DOWN\n\u251c e4            bridge     LOWER-DOWN\n\u251c e5            bridge     LOWER-DOWN\n\u251c e6            bridge     LOWER-DOWN\n\u251c e7            bridge     LOWER-DOWN\n\u251c e8            bridge     LOWER-DOWN\n\u251c e9            bridge     LOWER-DOWN\n\u2514 e10           bridge     FORWARDING\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre>"},{"location":"scripting-prod/#assign-vlans-to-ports","title":"Assign VLANs to Ports","text":"<p>Now, configure VLANs as outlined previously: default VID for ingress (PVID), which is done per port, and egress mode (untagged), which is done at the bridge level. See the VLAN bridges section for more information.</p> <pre><code>admin@example:/&gt;\nadmin@example:/&gt; configure\nadmin@example:/config/&gt; set interface e1 bridge-port pvid 10\nadmin@example:/config/&gt; set interface e2 bridge-port pvid 10\nadmin@example:/config/&gt; set interface e3 bridge-port pvid 20\nadmin@example:/config/&gt; set interface e4 bridge-port pvid 20\nadmin@example:/config/&gt; set interface e5 bridge-port pvid 30\nadmin@example:/config/&gt; set interface e6 bridge-port pvid 30\nadmin@example:/config/&gt; set interface e7 bridge-port pvid 40\nadmin@example:/config/&gt; set interface e8 bridge-port pvid 40\nadmin@example:/config/&gt; set interface e9 bridge-port pvid 50\nadmin@example:/config/&gt; set interface e10 bridge-port pvid 50\nadmin@example:/config/&gt; edit interface br0\nadmin@example:/config/interface/br0/&gt; edit bridge vlans\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 10 untagged e1\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 10 untagged e2\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 20 untagged e3\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 20 untagged e4\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 30 untagged e5\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 30 untagged e6\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 40 untagged e7\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 40 untagged e8\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 50 untagged e9\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 50 untagged e10\nadmin@example:/config/interface/br0/bridge/vlans/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Interface status would now should something like the following</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nbr0             bridge\n\u2502               ethernet   UP          00:53:00:06:11:01\n\u251c e1            bridge     LOWER-DOWN  vlan:10u pvid:10\n\u251c e2            bridge     LOWER-DOWN  vlan:10u pvid:10\n\u251c e3            bridge     LOWER-DOWN  vlan:20u pvid:20\n\u251c e4            bridge     LOWER-DOWN  vlan:20u pvid:20\n\u251c e5            bridge     LOWER-DOWN  vlan:30u pvid:30\n\u251c e6            bridge     LOWER-DOWN  vlan:30u pvid:30\n\u251c e7            bridge     LOWER-DOWN  vlan:40u pvid:40\n\u251c e8            bridge     LOWER-DOWN  vlan:40u pvid:40\n\u251c e9            bridge     LOWER-DOWN  vlan:50u pvid:50\n\u2514 e10           bridge     FORWARDING  vlan:50u pvid:50\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre>"},{"location":"scripting-prod/#connect-cables-and-test","title":"Connect Cables and Test","text":"<p>We can now connect the PC to e1 and e10, while the other ports are patched according to above.  We should see link up and FORWARDING on all ports in the bridge.</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nbr0             bridge\n\u2502               ethernet   UP          00:53:00:06:11:01\n\u251c e1            bridge     FORWARDING  vlan:10u pvid:10\n\u251c e2            bridge     FORWARDING  vlan:10u pvid:10\n\u251c e3            bridge     FORWARDING  vlan:20u pvid:20\n\u251c e4            bridge     FORWARDING  vlan:20u pvid:20\n\u251c e5            bridge     FORWARDING  vlan:30u pvid:30\n\u251c e6            bridge     FORWARDING  vlan:30u pvid:30\n\u251c e7            bridge     FORWARDING  vlan:40u pvid:40\n\u251c e8            bridge     FORWARDING  vlan:40u pvid:40\n\u251c e9            bridge     FORWARDING  vlan:50u pvid:50\n\u2514 e10           bridge     FORWARDING  vlan:50u pvid:50\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nadmin@example:/&gt;\n</code></pre> <p>Here we use IPv6 ping all hosts (ff02::1) on PC interface eth1 to check reachability to the other interface of the PC.</p> <p>Tip</p> <p>We recommend using network namespaces (Linux only) on the PC to ensure that traffic is actually sent out to the switch, rather than being looped back internally. Alternatively, use two separate PCs.</p> <pre><code>~ $ ping -L ff02::1%eth1\nPING ff02::1%eth1(ff02::1%eth1) 56 data bytes\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=1 ttl=64 time=0.496 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=2 ttl=64 time=0.514 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=3 ttl=64 time=0.473 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=4 ttl=64 time=0.736 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=5 ttl=64 time=0.563 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=6 ttl=64 time=0.507 ms\n^C\n--- ff02::1%eth1 ping statistics ---\n6 packets transmitted, 6 received, 0% packet loss, time 5108ms\nrtt min/avg/max/mdev = 0.473/0.548/0.736/0.088 ms\n~ $\n</code></pre> <p>We can verify that traffic goes through the switch by disconnecting one of the patch cables, e.g., between e4 and e5</p> <pre><code>~ $ ping -L ff02::1%eth1\nPING ff02::1%eth1(ff02::1%eth1) 56 data bytes\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=1 ttl=64 time=0.510 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=2 ttl=64 time=0.448 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=3 ttl=64 time=0.583 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=4 ttl=64 time=0.515 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=5 ttl=64 time=0.521 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=6 ttl=64 time=0.495 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=7 ttl=64 time=0.743 ms\n... Disconnecting patch cable, thus losing packets\n... and reconnecting again. Connectivity resumes.\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=16 ttl=64 time=0.961 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=17 ttl=64 time=0.513 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=18 ttl=64 time=0.794 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=19 ttl=64 time=0.755 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=20 ttl=64 time=0.779 ms\n^C\n--- ff02::1%eth1 ping statistics ---\n20 packets transmitted, 12 received, 40% packet loss, time 19432ms\nrtt min/avg/max/mdev = 0.448/0.634/0.961/0.156 ms\n~ $\n</code></pre>"},{"location":"scripting-prod/#set-ip-address","title":"Set IP Address","text":"<p>The configuration so far does not provide a means to connect to the switch management via SSH or NETCONF, as the switch has no IP address. The example below shows how to add the switch to VLAN 10 (as used for ports e1 and e2) and enables IPv6.</p> <pre><code>admin@example:/config/&gt; edit interface vlan10\nadmin@example:/config/interface/vlan10/&gt; set vlan lower-layer-if br0\nadmin@example:/config/interface/vlan10/&gt; set ipv6 enabled\nadmin@example:/config/interface/vlan10/&gt; show\ntype vlan;\nipv6 {\n  enabled true;\n}\nvlan {\n  tag-type c-vlan;\n  id 10;\n  lower-layer-if br0;\n}\nadmin@example:/config/interface/vlan10/&gt;\nadmin@example:/config/interface/vlan10/&gt; end\nadmin@example:/config/&gt; edit interface br0 bridge vlans\nadmin@example:/config/interface/br0/bridge/vlans/&gt; set vlan 10 tagged br0\nadmin@example:/config/interface/br0/bridge/vlans/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Interface vlan10 with an auto-configured IPv6 address should appear.</p> <pre><code>admin@example:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nbr0             bridge                 vlan:10t\n\u2502               ethernet   UP          00:53:00:06:11:01\n\u251c e1            bridge     FORWARDING  vlan:10u pvid:10\n\u251c e2            bridge     FORWARDING  vlan:10u pvid:10\n\u251c e3            bridge     FORWARDING  vlan:20u pvid:20\n\u251c e4            bridge     FORWARDING  vlan:20u pvid:20\n\u251c e5            bridge     FORWARDING  vlan:30u pvid:30\n\u251c e6            bridge     FORWARDING  vlan:30u pvid:30\n\u251c e7            bridge     FORWARDING  vlan:40u pvid:40\n\u251c e8            bridge     FORWARDING  vlan:40u pvid:40\n\u251c e9            bridge     FORWARDING  vlan:50u pvid:50\n\u2514 e10           bridge     FORWARDING  vlan:50u pvid:50\nlo              ethernet   UP          00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\nvlan10          ethernet   UP          00:53:00:06:11:01\n\u2502               ipv6                   fe80::0053:00ff:fe06:1101/64 (link-layer)\n\u2514 br0           ethernet   UP          00:53:00:06:11:01\nadmin@example:/&gt;\n</code></pre> <p>When pinging \"IPv6 all hosts\" from the PC, there should be two responses for every ping, one from the switch and one from the PC attached to e10.</p> <pre><code>~ $ ping -L ff02::1%eth1\nPING ff02::1%eth1(ff02::1%eth1) 56 data bytes\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=1 ttl=64 time=0.508 ms\n64 bytes from fe80::0053:00ff:fe06:1101%eth1: icmp_seq=1 ttl=64 time=0.968 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=2 ttl=64 time=0.866 ms\n64 bytes from fe80::0053:00ff:fe06:1101%eth1: icmp_seq=2 ttl=64 time=0.867 ms\n64 bytes from fe80::0053:00ff:fe06:1101%eth1: icmp_seq=3 ttl=64 time=0.467 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=3 ttl=64 time=0.469 ms\n64 bytes from fe80::488a:a35f:9d41:ac9c%eth1: icmp_seq=4 ttl=64 time=0.452 ms\n64 bytes from fe80::0053:00ff:fe06:1101%eth1: icmp_seq=4 ttl=64 time=0.453 ms\n^C\n--- ff02::1%eth1 ping statistics ---\n4 packets transmitted, 4 received, +4 duplicates, 0% packet loss, time 3031ms\nrtt min/avg/max/mdev = 0.452/0.631/0.968/0.211 ms\n~ $\n</code></pre> <p>It should now be possible to access the switch from the PC via SSH (or NETCONF).</p> <pre><code>~ $ ssh admin@fe80::0053:00ff:fe06:1101%eth1\nadmin@fe80::0053:00ff:fe06:1101%eth1's password:\n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-'\n\nRun the command 'cli' for interactive OAM\n\nadmin@example:~$ exit\n~ $\n</code></pre> <p>See previous sections on backup and restore of the created configuration.</p>"},{"location":"scripting-restconf/","title":"With RESTCONF","text":""},{"location":"scripting-restconf/#scripting-with-restconf","title":"Scripting with RESTCONF","text":"<p>RESTCONF provides a programmatic interface to both configuration and operational data over HTTPS.  This guide shows practical examples using <code>curl</code> to interact with the RESTCONF API.</p> <p>All examples use the following conventions:</p> <ul> <li>Host: <code>example.local</code> (replace with your device hostname/IP)</li> <li>Credentials: <code>admin:admin</code> (default username:password)</li> <li>HTTPS: Self-signed certificates require <code>-k</code> flag in curl</li> </ul>"},{"location":"scripting-restconf/#helper-script","title":"Helper Script","text":"<p>To simplify RESTCONF operations, create a <code>curl.sh</code> wrapper script:</p> <pre><code>#!/bin/sh\n# RESTCONF CLI wrapper for curl\n\n# Show usage and exit\nusage()\n{\n    cat &lt;&lt;-EOF &gt;&amp;2\n    Usage: $0 [-h HOST] [-d DATASTORE] [-u USER:PASS] METHOD PATH [CURL_ARGS...]\n\n    Options:\n      -h HOST    Target host (default: infix.local)\n      -d DS      Datastore: running, operational, startup (default: running)\n      -u CREDS   Credentials as user:pass (default: admin:admin)\n\n    Methods: GET, POST, PUT, PATCH, DELETE\n    EOF\n    exit \"$1\"\n}\n\n# Default values\nHOST=${HOST:-infix.local}\nDATASTORE=running\nAUTH=admin:admin\n\n# Parse options\nwhile getopts \"h:d:u:\" opt; do\n    case $opt in\n        h) HOST=\"$OPTARG\" ;;\n        d) DATASTORE=\"$OPTARG\" ;;\n        u) AUTH=\"$OPTARG\" ;;\n        *) usage 1 ;;\n    esac\ndone\nshift $((OPTIND - 1))\n\n# Validate required arguments\nif [ $# -lt 2 ]; then\n    echo \"Error: METHOD and PATH are required\" &gt;&amp;2\n    usage 1\nfi\n\nMETHOD=$1\nPATH=$2\nshift 2\n\n# Ensure PATH starts with /\ncase \"$PATH\" in\n    /*) ;;\n    *) PATH=\"/$PATH\" ;;\nesac\n\n# Build URL based on datastore\ncase \"$DATASTORE\" in\n    running|startup)\n        URL=\"https://${HOST}/restconf/data${PATH}\"\n        ;;\n    operational)\n        URL=\"https://${HOST}/restconf/data${PATH}\"\n        ;;\n    *)\n        echo \"Error: Invalid datastore '$DATASTORE'. Use: running, operational, or startup\" &gt;&amp;2\n        exit 1\n        ;;\nesac\n\n# Execute curl with all remaining arguments passed through\nexec /usr/bin/curl \\\n    --insecure \\\n    --user \"${AUTH}\" \\\n    --request \"${METHOD}\" \\\n    --header \"Content-Type: application/yang-data+json\" \\\n    --header \"Accept: application/yang-data+json\" \\\n    \"$@\" \\\n    \"${URL}\"\n</code></pre> <p>Make it executable:</p> <pre><code>~$ chmod +x curl.sh\n</code></pre> <p>This wrapper handles authentication, headers, SSL certificates, and URL construction, making commands much cleaner. You can override defaults with command-line options or environment variables:</p> <pre><code># Using command-line options\n~$ ./curl.sh -h 192.168.1.10 -d operational -u admin:secret GET /ietf-interfaces:interfaces\n\n# Using environment variables\n~$ HOST=192.168.1.10 ./curl.sh GET /ietf-system:system\n</code></pre> <p>The examples below show both raw <code>curl</code> commands and the equivalent using <code>curl.sh</code> where applicable.</p>"},{"location":"scripting-restconf/#discovery-common-patterns","title":"Discovery &amp; Common Patterns","text":"<p>Before working with specific configuration items, you often need to discover what exists on the system. This section shows common discovery patterns and practical workflows.</p>"},{"location":"scripting-restconf/#discovering-available-interfaces","title":"Discovering Available Interfaces","text":"<p>List all interface names:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces 2&gt;/dev/null | jq -r '.[\"ietf-interfaces:interfaces\"][\"interface\"][].name'\nlo\ne0\ne1\n</code></pre> <p>This is essential for automation - interface names vary by platform (eth0, e1, enp0s3, etc.), so scripts should discover them rather than hardcode.</p>"},{"location":"scripting-restconf/#get-api-capabilities","title":"Get API Capabilities","text":"<p>Discover what YANG modules are available:</p> <pre><code>~$ curl -kX GET -u admin:admin \\\n        -H 'Accept: application/yang-data+json' \\\n        https://example.local/restconf/data/ietf-yang-library:yang-library\n</code></pre> <p>This returns all supported YANG modules, revisions, and features.</p>"},{"location":"scripting-restconf/#get-entire-running-configuration","title":"Get Entire Running Configuration","text":"<p>Useful for exploration or backup:</p> <pre><code>~$ ./curl.sh -h example.local GET / -o backup.json\n</code></pre>"},{"location":"scripting-restconf/#common-workflow-patterns","title":"Common Workflow Patterns","text":""},{"location":"scripting-restconf/#pattern-1-find-interface-by-ip-address","title":"Pattern 1: Find interface by IP address","text":"<p>Get all interfaces with IPs and search:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces 2&gt;/dev/null \\\n     | jq -r '.[\"ietf-interfaces:interfaces\"][\"interface\"][] | select(.[\"ietf-ip:ipv4\"][\"address\"][]?.ip == \"192.168.1.100\") | .name'\n</code></pre>"},{"location":"scripting-restconf/#pattern-2-list-all-interfaces-that-are-down","title":"Pattern 2: List all interfaces that are down","text":"<pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces 2&gt;/dev/null \\\n     | jq -r '.[\"ietf-interfaces:interfaces\"][\"interface\"][] | select(.[\"oper-status\"] == \"down\") | .name'\n</code></pre>"},{"location":"scripting-restconf/#pattern-3-get-statistics-for-all-interfaces","title":"Pattern 3: Get statistics for all interfaces","text":"<pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces 2&gt;/dev/null \\\n     | jq -r '.[\"ietf-interfaces:interfaces\"][\"interface\"][] | \"\\(.name): RX \\(.statistics[\"in-octets\"]) TX \\(.statistics[\"out-octets\"])\"'\n</code></pre> <p>Output:</p> <pre><code>lo: RX 29320 TX 29320\ne0: RX 1847392 TX 892341\ne1: RX 0 TX 0\n</code></pre>"},{"location":"scripting-restconf/#pattern-4-check-if-interface-exists-before-configuring","title":"Pattern 4: Check if interface exists before configuring","text":"<pre><code>~$ if ./curl.sh -h example.local GET /ietf-interfaces:interfaces/interface=eth0 2&gt;/dev/null | grep -q \"ietf-interfaces:interface\"; then\n     echo \"Interface eth0 exists\"\n   else\n     echo \"Interface eth0 not found\"\n   fi\n</code></pre>"},{"location":"scripting-restconf/#configuration-operations","title":"Configuration Operations","text":""},{"location":"scripting-restconf/#read-hostname","title":"Read Hostname","text":"<p>Example of fetching JSON configuration data:</p> <p>Using curl directly:</p> <pre><code>~$ curl -kX GET -u admin:admin \\\n        -H 'Accept: application/yang-data+json' \\\n        https://example.local/restconf/data/ietf-system:system/hostname\n{\n  \"ietf-system:system\": {\n    \"hostname\": \"foo\"\n  }\n}\n</code></pre> <p>Using curl.sh:</p> <pre><code>~$ ./curl.sh -h example.local GET /ietf-system:system/hostname\n{\n  \"ietf-system:system\": {\n    \"hostname\": \"foo\"\n  }\n}\n</code></pre>"},{"location":"scripting-restconf/#set-hostname","title":"Set Hostname","text":"<p>Example of updating configuration with inline JSON data:</p> <p>Using curl directly:</p> <pre><code>~$ curl -kX PATCH -u admin:admin \\\n     -H 'Content-Type: application/yang-data+json' \\\n     -d '{\"ietf-system:system\":{\"hostname\":\"bar\"}}' \\\n     https://example.local/restconf/data/ietf-system:system\n</code></pre> <p>Using curl.sh:</p> <pre><code>~$ ./curl.sh -h example.local PATCH /ietf-system:system \\\n     -d '{\"ietf-system:system\":{\"hostname\":\"bar\"}}'\n</code></pre>"},{"location":"scripting-restconf/#add-ip-address-to-interface","title":"Add IP Address to Interface","text":"<p>Add an IP address to the loopback interface:</p> <pre><code>~$ ./curl.sh -h example.local POST \\\n     /ietf-interfaces:interfaces/interface=lo/ietf-ip:ipv4/address=192.168.254.254 \\\n     -d '{ \"prefix-length\": 32 }'\n</code></pre>"},{"location":"scripting-restconf/#delete-ip-address-from-interface","title":"Delete IP Address from Interface","text":"<p>Remove an IP address from the loopback interface:</p> <pre><code>~$ ./curl.sh -h example.local DELETE \\\n     /ietf-interfaces:interfaces/interface=lo/ietf-ip:ipv4/address=192.168.254.254\n</code></pre>"},{"location":"scripting-restconf/#copy-running-to-startup","title":"Copy Running to Startup","text":"<p>No copy command available yet to copy between datastores, and the Rousette back-end also does not support \"write-through\" to the startup datastore.</p> <p>To save running-config to startup-config, fetch running to a local file and then update startup with it:</p> <p>Using curl directly:</p> <pre><code>~$ curl -kX GET -u admin:admin -o running-config.json \\\n        -H 'Accept: application/yang-data+json'       \\\n         https://example.local/restconf/ds/ietf-datastores:running\n\n~$ curl -kX PUT -u admin:admin -d @running-config.json \\\n        -H 'Content-Type: application/yang-data+json'  \\\n        https://example.local/restconf/ds/ietf-datastores:startup\n</code></pre> <p>Using curl.sh:</p> <pre><code>~$ ./curl.sh -h example.local GET / -o running-config.json\n~$ ./curl.sh -h example.local -d startup PUT / -d @running-config.json\n</code></pre>"},{"location":"scripting-restconf/#operational-data","title":"Operational Data","text":""},{"location":"scripting-restconf/#read-interface-configuration","title":"Read Interface Configuration","text":"<p>Get the running configuration for the loopback interface:</p> <pre><code>~$ ./curl.sh -h example.local GET /ietf-interfaces:interfaces/interface=lo\n</code></pre>"},{"location":"scripting-restconf/#read-interface-operational-state","title":"Read Interface Operational State","text":"<p>Get operational data (state, statistics, etc.) for an interface:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces/interface=lo\n</code></pre> <p>This includes administrative and operational state, MAC address, MTU, and statistics counters.</p>"},{"location":"scripting-restconf/#read-interface-statistics","title":"Read Interface Statistics","text":"<p>Extract specific statistics using <code>jq</code>:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces/interface=eth0 2&gt;/dev/null \\\n     | jq -r '.[\"ietf-interfaces:interfaces\"][\"interface\"][0][\"statistics\"][\"in-octets\"]'\n</code></pre>"},{"location":"scripting-restconf/#list-all-interfaces","title":"List All Interfaces","text":"<p>Get operational data for all interfaces:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-interfaces:interfaces\n</code></pre>"},{"location":"scripting-restconf/#read-routing-table","title":"Read Routing Table","text":"<p>Get the IPv4 routing table:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-routing:routing/ribs/rib=ipv4-default\n</code></pre>"},{"location":"scripting-restconf/#read-ospf-state","title":"Read OSPF State","text":"<p>Get OSPF operational data (neighbors, routes, etc.):</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-routing:routing/control-plane-protocols/control-plane-protocol=ietf-ospf:ospfv2,default\n</code></pre> <p>Or get just the neighbor information:</p> <pre><code>~$ ./curl.sh -h example.local -d operational GET /ietf-routing:routing/control-plane-protocols/control-plane-protocol=ietf-ospf:ospfv2,default/ietf-ospf:ospf/areas/area=0.0.0.0/interfaces\n</code></pre>"},{"location":"scripting-restconf/#system-operations-rpcs","title":"System Operations (RPCs)","text":""},{"location":"scripting-restconf/#factory-reset","title":"Factory Reset","text":"<p>Reset the system to factory defaults:</p> <pre><code>~$ curl -kX POST -u admin:admin \\\n        -H \"Content-Type: application/yang-data+json\" \\\n        https://example.local/restconf/operations/ietf-factory-default:factory-reset\ncurl: (56) OpenSSL SSL_read: error:0A000126:SSL routines::unexpected eof while reading, errno 0\n</code></pre> <p>Note: The connection error is expected - the device resets immediately.</p>"},{"location":"scripting-restconf/#system-reboot","title":"System Reboot","text":"<p>Reboot the system:</p> <pre><code>~$ curl -kX POST -u admin:admin \\\n        -H \"Content-Type: application/yang-data+json\" \\\n        https://example.local/restconf/operations/ietf-system:system-restart\n</code></pre>"},{"location":"scripting-restconf/#set-date-and-time","title":"Set Date and Time","text":"<p>Example of an RPC that takes input/arguments:</p> <pre><code>~$ curl -kX POST -u admin:admin \\\n        -H \"Content-Type: application/yang-data+json\" \\\n        -d '{\"ietf-system:input\": {\"current-datetime\": \"2024-04-17T13:48:02-01:00\"}}' \\\n        https://example.local/restconf/operations/ietf-system:set-current-datetime\n</code></pre> <p>Verify the change with SSH:</p> <pre><code>~$ ssh admin@example.local 'date'\nWed Apr 17 14:48:12 UTC 2024\n</code></pre>"},{"location":"scripting-restconf/#advanced-examples","title":"Advanced Examples","text":""},{"location":"scripting-restconf/#makefile-for-common-operations","title":"Makefile for Common Operations","text":"<p>Create a <code>Makefile</code> to simplify common operations:</p> <pre><code>HOST ?= infix.local\n\nlo-running:\n    ./curl.sh -h $(HOST) GET /ietf-interfaces:interfaces/interface=lo\n\nlo-operational:\n    ./curl.sh -h $(HOST) -d operational GET /ietf-interfaces:interfaces/interface=lo\n\nlo-add-ip:\n    ./curl.sh -h $(HOST) POST \\\n        /ietf-interfaces:interfaces/interface=lo/ietf-ip:ipv4/address=192.168.254.254 \\\n        -d '{ \"prefix-length\": 32 }'\n\nlo-del-ip:\n    ./curl.sh -h $(HOST) DELETE \\\n        /ietf-interfaces:interfaces/interface=lo/ietf-ip:ipv4/address=192.168.254.254\n\n%-stats:\n    @./curl.sh -h $(HOST) -d operational GET /ietf-interfaces:interfaces/interface=$* 2&gt;/dev/null \\\n        | jq -r '.[\"ietf-interfaces:interfaces\"][\"interface\"][0][\"statistics\"][\"in-octets\"]'\n\n%-monitor:\n    while sleep 0.2; do make -s HOST=$(HOST) $*-stats; done \\\n        | ttyplot -t \"$(HOST):$* in-octets\" -r\n</code></pre> <p>Usage examples:</p> <pre><code># Get loopback operational state\n~$ make lo-operational\n\n# Add IP to loopback\n~$ make lo-add-ip\n\n# Get eth0 statistics\n~$ make eth0-stats\n\n# Monitor eth0 traffic in real-time (requires ttyplot)\n~$ make eth0-monitor\n</code></pre> <p>You can override the host:</p> <pre><code>~$ make HOST=192.168.1.10 lo-operational\n</code></pre>"},{"location":"scripting-restconf/#monitoring-interface-traffic","title":"Monitoring Interface Traffic","text":"<p>The <code>%-monitor</code> target demonstrates real-time monitoring by polling interface statistics and piping to <code>ttyplot</code> for visualization. Install <code>ttyplot</code> with:</p> <pre><code>~$ sudo apt install ttyplot\n</code></pre> <p>Then monitor any interface:</p> <pre><code>~$ make eth0-monitor\n</code></pre> <p>This creates a live ASCII graph of incoming octets on <code>eth0</code>.</p>"},{"location":"scripting-restconf/#references","title":"References","text":"<ul> <li>RESTCONF Protocol (RFC 8040)</li> <li>YANG Data Modeling Language (RFC 7950)</li> <li>ietf-interfaces YANG module</li> <li>ietf-routing YANG module</li> <li>ietf-system YANG module</li> </ul>"},{"location":"scripting-sysrepocfg/","title":"Legacy Scripting","text":"<p>Note</p> <p>This method is a legacy \"simple and human-friendly\" way to manage the system.  These days we strongly recommend using RESTCONF instead.</p>"},{"location":"scripting-sysrepocfg/#legacy-scripting","title":"Legacy Scripting","text":"<p>Although not the primary interface for Infix, it is possible to interact with the system using raw sysrepocfg commands.  This way you get to interact directly with the YANG models when logged in to Infix.  Thus, a set config, read config, read status and an RPC can be conducted using <code>sysrepocfg</code> for any supported YANG model.</p> <p>See sysrepocfg for more information.  Examples below will utilize:</p> <ul> <li><code>sysrepocfg -I FILE -fjson -d DATABASE</code> to import/write a JSON   formatted configuration file to the specified database.</li> <li><code>sysrepocfg -E FILE -fjson -d DATABASE</code> to edit/merge JSON formatted   configuration in FILE with the specified database.</li> <li><code>sysrepocfg -R FILE -fjson</code> to execute remote procedure call (RPC)    defined in FILE (JSON formatted).</li> <li><code>sysrepocfg -X -fjson -d DATABASE -x xpath</code> to read configuration or   status from specified database.</li> </ul> <p>For importing (-I) and editing (-E), <code>-d running</code> is typically used in examples below. Specify <code>-d startup</code> to apply changes to startup configuration. Exporting (-X) could operate on configuration (e.g., <code>-d running</code>) or status (<code>-d operational</code>).</p> <p>Some commands require a file as input.  In the examples below we assume it has been transferred to the device in advance, e.g. using <code>scp</code>:</p> <pre><code>~$ cat file.json\n{\n   \"ietf-factory-default:factory-reset\": {\n   }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$\n</code></pre>"},{"location":"scripting-sysrepocfg/#factory-reset","title":"Factory Reset","text":"<pre><code>~$ cat file.json\n{\n   \"ietf-factory-default:factory-reset\": {\n   }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -fjson -R /tmp/file.json'\n^C\n~$\n</code></pre> <p>See Factory Reset for another (simpler) alternative.</p> <p>If it is only wished to copy factory config to running config the following RPC is available</p> <pre><code>~$ cat file.json\n{\n   \"infix-factory-default:factory-default\": {\n   }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -fjson -R /tmp/file.json'\n^C\n~$\n</code></pre>"},{"location":"scripting-sysrepocfg/#system-reboot","title":"System Reboot","text":"<pre><code>~$ cat /tmp/file.json\n{\n   \"ietf-system:system-restart\": {\n   }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -fjson -R /tmp/file.json'\n~$\n</code></pre> <p>See System Reboot for another (simpler) alternative.</p>"},{"location":"scripting-sysrepocfg/#set-date-and-time","title":"Set Date and Time","text":"<pre><code>~$ ssh admin@example.local 'date'\nSun Nov 20 10:20:23 UTC 2005\n~$ cat file.json\n{\n   \"ietf-system:set-current-datetime\": {\n      \"current-datetime\": \"2024-04-17T13:48:02-01:00\"\n   }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -fjson -R /tmp/file.json'\n~$ ssh admin@example.local 'date'\nWed Apr 17 14:48:12 UTC 2024\n~$\n</code></pre> <p>See Set Date and Time for another (simpler) alternative.</p>"},{"location":"scripting-sysrepocfg/#remote-control-of-ethernet-ports","title":"Remote Control of Ethernet Ports","text":"<p>Reading administrative status of interface e0 of running configuration.</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d running -e report-all \\\n       -x \\\"/ietf-interfaces:interfaces/interface[name='e0']/enabled\\\"'\n{\n  \"ietf-interfaces:interfaces\": {\n    \"interface\": [\n      {\n        \"name\": \"e0\",\n        \"enabled\": true\n      }\n    ]\n  }\n}\n~$\n</code></pre> <p>Note</p> <p>Without <code>-e report-all</code> argument the line <code>\"enabled: true</code> would not be shown as <code>true</code> is default.</p> <pre><code>~$ ssh admin@example.local \"sysrepocfg -X -fjson -d running \\\n       -x \\\"/ietf-interfaces:interfaces/interface[name='e0']/enabled\\\"\"\n{\n  \"ietf-interfaces:interfaces\": {\n    \"interface\": [\n      {\n        \"name\": \"e0\"\n      }\n    ]\n  }\n}\n~$\n</code></pre> <p>Setting the administrative status of interface e0 of running configuration.</p> <pre><code>$ cat file.json\n{\n  \"ietf-interfaces:interfaces\": {\n    \"interface\": [\n      {\n        \"name\": \"e0\",\n        \"enabled\": false\n      }\n    ]\n  }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -E /tmp/file.json -fjson -d running'\n~$\n</code></pre>"},{"location":"scripting-sysrepocfg/#enabledisable-dhcpv4-client","title":"Enable/Disable DHCPv4 client","text":"<p>Enabling DHCPv4 client on interface e0, with current default options.</p> <pre><code>~$ cat /tmp/file.json\n{\n  \"ietf-interfaces:interfaces\": {\n    \"interface\": [\n      {\n        \"name\": \"e0\",\n        \"ietf-ip:ipv4\": {\n          \"infix-dhcp-client:dhcp\": {}\n        }\n      }\n    ]\n  }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -E /tmp/file.json -fjson -d running'\n~$\n</code></pre> <p>Disabling DHCPv4 client on interface e0 (remove the dhcp container).</p> <pre><code>~$ cat /tmp/file.json\n{\n  \"ietf-interfaces:interfaces\": {\n    \"interface\": [\n      {\n        \"name\": \"e0\",\n        \"ietf-ip:ipv4\": {}\n      }\n    ]\n  }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -E /tmp/file.json -fjson -d running'\n~$\n</code></pre> <p>To fully remove the DHCPv4 client configuration, remove the <code>infix-dhcp-client:dhcp</code> container from the interface's ipv4 configuration.</p>"},{"location":"scripting-sysrepocfg/#enabledisable-ipv6","title":"Enable/Disable IPv6","text":"<p>IPv6 is typically enabled on all interfaces by default. The example below shows IPv4 and IPv6 addresses assigned on e0.</p> <pre><code>~$ ssh admin@example.local 'ip addr show dev e0'\n2: e0: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc pfifo_fast state UP group default qlen 1000\n    link/ether 02:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff\n    inet 10.0.2.15/24 scope global proto dhcp e0\n       valid_lft forever preferred_lft forever\n    inet6 fec0::ff:fe00:0/64 scope site dynamic mngtmpaddr proto kernel_ra\n       valid_lft 86380sec preferred_lft 14380sec\n    inet6 fe80::ff:fe00:0/64 scope link proto kernel_ll\n       valid_lft forever preferred_lft forever\n~$\n</code></pre> <p>IPv6 is enabled/disabled per interface. The example below disables IPv6 on interface e0.</p> <pre><code>~$ cat /tmp/file.json\n{\n  \"ietf-interfaces:interfaces\": {\n    \"interface\": [\n      {\n        \"name\": \"e0\",\n        \"ietf-ip:ipv6\": {\n          \"enabled\": false\n        }\n      }\n    ]\n  }\n}\n~$ scp file.json admin@example.local:/tmp/file.json\n~$ ssh admin@example.local 'sysrepocfg -E /tmp/file.json -fjson -d running'\n~$ ssh admin@example.local 'ip addr show dev e0'\n2: e0: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc pfifo_fast state UP group default qlen 1000\n    link/ether 02:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff\n    inet 10.0.2.15/24 scope global proto dhcp e0\n       valid_lft forever preferred_lft forever\n~$\n</code></pre>"},{"location":"scripting-sysrepocfg/#change-a-binary-setting","title":"Change a Binary Setting","text":"<p>A YANG <code>binary</code> type setting is Base64 encoded and requires a little bit more tricks.  We take the opportunity to showcase a shell script helper: <code>/usr/bin/text-editor</code>, which works just like the <code>text-editor</code> command in the CLI, but this one takes an XPath argument to the binary leaf to edit.</p> <p>Stripped down, it looks something like this:</p> <pre><code>if tmp=$(sysrepocfg -G \"$xpath\"); then\n    file=$(mktemp)\n\n    echo \"$tmp\" | base64 -d &gt; \"$file\"\n    if edit \"$file\"; then\n        tmp=$(base64 -w0 &lt; \"$file\")\n        sysrepocfg -S \"$xpath\" -u \"$tmp\"\n    fi\n\n    rm -f \"$file\"\nelse\n    echo \"Failed to retrieve value for $xpath\"\n    exit 1\nfi\n</code></pre> <p>An example container configuration, with an embedded file that is mounted to <code>/var/www/index.html</code> can look like this:</p> <pre><code>  \"infix-containers:containers\": {\n    \"container\": [\n      {\n        \"name\": \"web\",\n        \"image\": \"oci-archive:/lib/oci/curios-httpd-latest.tar.gz\",\n        \"hostname\": \"web\",\n        \"network\": {\n          \"interface\": [\n            {\n              \"name\": \"veth-sys0\"\n            }\n          ]\n        },\n        \"mount\": [\n          {\n            \"name\": \"index.html\",\n            \"content\": \"PCFET0NUWVBFIGh0bWwjibberish.shortened.down==\",\n            \"target\": \"/var/www/index.html\"\n          }\n        ]\n      }\n    ]\n  }\n</code></pre> <p>The command to edit this file, and restart the container with the new contents, look like this:</p> <pre><code>admin@infix:~$ cfg edit \"/infix-containers:containers/container[name='web']/mount[name='index.html']/content\"\n</code></pre>"},{"location":"scripting-sysrepocfg/#backup-configuration","title":"Backup Configuration","text":"<p>Displaying running or startup configuration is possible with <code>sysrepocfg -X</code>, as shown below.</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d running'\n{\n  \"ieee802-dot1ab-lldp:lldp\": {\n    \"infix-lldp:enabled\": true\n...\n~$\n</code></pre> <p>An example for backing up startup configuration from remote PC.</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d startup &gt; /tmp/backup.json'\n~$ scp admin@example.local:/tmp/backup.json .\n~$\n</code></pre> <p>Or possibly skip intermediate storage of file</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d startup' &gt; backup.json\n~$\n</code></pre> <p>A final example is to only use <code>scp</code>. This is simpler, but only works to backup the startup configuration (not running).</p> <pre><code>~$ scp admin@example.local:/cfg/startup-config.cfg backup.json\n~$\n</code></pre>"},{"location":"scripting-sysrepocfg/#restore-configuration","title":"Restore Configuration","text":"<p>To restore a backup configuration to startup, the simplest way is to use <code>scp</code> and reboot as shown below</p> <pre><code>~$ scp admin@example.local:/cfg/startup-config.cfg backup.json\n~$ ssh admin@example.local 'reboot'\nConnection to switch.local closed by remote host.\n~$\n</code></pre> <p>An alternative method to restore a backup configuration is to use the <code>sysrepocfg -I FILE</code> (import) command.</p> <p>The example below imports the backup configuration to startup, and reboots the unit.</p> <pre><code>~$ scp backup.json admin@example.local:/tmp/\n~$ ssh admin@example.local 'sudo sysrepocfg -I /tmp/backup.json -fjson -d startup'\n~$ ssh admin@example.local 'reboot'\nConnection to switch.local closed by remote host.\n~$\n</code></pre> <p>Note</p> <p>The login credentials (hash) for the <code>admin</code> user are stored as part of the configuration file.  When replacing a switch and applying the backed up configuration from the former switch, the password on the replacement unit will also change.</p>"},{"location":"scripting-sysrepocfg/#copy-running-to-startup","title":"Copy Running to Startup","text":"<p>The following command reads out the running config via <code>sysrepocfg -X</code> and writes the result to the startup configuration.</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d running &gt; /cfg/startup-config.cfg'\n~$\n</code></pre> <p>An alternative is to write it to a temporary file, and use <code>sysrepocfg -I</code> to import it to startup.</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d running &gt; /tmp/running.json'\n~$ ssh admin@example.local 'sysrepocfg -I /tmp/running.json -fjson -d startup'\n~$\n</code></pre>"},{"location":"scripting-sysrepocfg/#read-hardware-information","title":"Read Hardware Information","text":"<p>The IETF Hardware YANG model has been augmented for ONIE formatted production data stored in EEPROMs, if available.  For details, see the VPD documentation and the ietf-hardware and infix-hardware YANG models.</p> <pre><code>~$ ssh admin@example.local 'sysrepocfg -X -fjson -d operational -x /ietf-hardware:hardware'\n{\n  \"ietf-hardware:hardware\": {\n    \"component\": [\n      {\n        \"name\": \"product\",\n        \"class\": \"infix-hardware:vpd\",\n        \"serial-num\": \"12345\",\n        \"model-name\": \"Switch2010\",\n        \"mfg-date\": \"2024-01-30T16:42:37+00:00\",\n        \"infix-hardware:vpd-data\": {\n          \"product-name\": \"Switch2010\",\n          \"part-number\": \"ABC123-001\",\n          \"serial-number\": \"007\",\n          \"mac-address\": \"00:53:00:01:23:45\",\n          \"manufacture-date\": \"01/30/2024 16:42:37\",\n          \"num-macs\": 11,\n          \"manufacturer\": \"ACME Production\",\n          \"vendor\": \"SanFran Networks\"\n        }\n      },\n      {\n        \"name\": \"USB\",\n        \"class\": \"infix-hardware:usb\",\n        \"state\": {\n          \"admin-state\": \"unlocked\",\n          \"oper-state\": \"enabled\"\n        }\n      }\n    ]\n  }\n}\n~$\n</code></pre>"},{"location":"scripting/","title":"Introduction","text":""},{"location":"scripting/#scripting-infix","title":"Scripting Infix","text":"<p>In some situations a user cannot, or does not want to, use the NETCONF API for interacting with Infix.  Examples include production tasks and simpler remote scripting jobs to one or more remote devices.</p> <p>This document assumes you have the password for the <code>admin</code> user, and that you can connect to the device.  Please see Finding my Device for help on locating it.</p> <p>Furthermore, the example commands shown here that are execute from a PC to a remote device over SSH, use Linux/UNIX.  With advances lately in both Windows and macOS, many of the user friendly tools previously only available in Linux are now available there too.</p> <p>The shell prompt for the PC laptop side:</p> <pre><code>~$\n</code></pre> <p>The shell prompt when logged in to an Infix device:</p> <pre><code>admin@example:~$\n</code></pre> <p>Note</p> <p>The shell script commands used here are the raw variants which the CLI usually wraps in a warm and snugly blanket.  Meaning they may change over time, while the CLI wrappers do not.  That being said, please let us know if you find any inconsistencies.</p>"},{"location":"scripting/#tips","title":"Tips","text":"<ul> <li>Ensure the <code>admin</code> user does not have <code>clish</code> as login shell</li> <li>Enable SSH key authentication</li> <li>Deploy same SSH public key to many Infix devices</li> <li>Secure your private SSH key using, e.g., <code>ssh-agent</code></li> </ul> <p>The <code>ssh-keygen</code> command, used to create the private/public key pair, asks for a passphrase and although this is technically optional it is highly recommended to set one.  For ease of use, in particular when scripting, use <code>ssh-agent</code> to avoid retyping the passphrase for every command.</p> <p>Useful links on SSH, keys, and using <code>ssh-agent</code>:</p> <ul> <li>https://en.wikipedia.org/wiki/Ssh-agent</li> <li>https://www.cyberciti.biz/faq/how-to-use-ssh-agent-for-authentication-on-linux-unix/</li> <li>https://goteleport.com/blog/how-to-use-ssh-agent-safely/</li> </ul>"},{"location":"scripting/#admin-user-not-authorized","title":"Admin User Not Authorized","text":"<p>All system services and critical configuration files are owned by the locked-down <code>root</code> user.  It is not possible to activate the <code>root</code> user account for remote logins.  Instead, use <code>admin</code> user and the <code>sudo</code> command prefix.</p> <p>Here we are logged in to an example device:</p> <pre><code>admin@example:~$ cp /cfg/startup-config.cfg /cfg/backup-config.cfg\ncp: can't create '/cfg/backup-config.cfg': Permission denied\nadmin@example:~$ sudo cp /cfg/startup-config.cfg /cfg/backup-config.cfg\n</code></pre>"},{"location":"scripting/#examples","title":"Examples","text":"<p>The following example commands are run from the PC over SSH.  The following is a very brief introduction.</p> <p>The notation is <code>ssh username@address</code>, where address can be an IPv4 or IPv6 address, a DNS name, or an mDNS name, e.g. infix.local.  In the case of IPv6: <code>address%interface</code>, where interface differs between operating systems.  On Linux and macOS the interface name is used, but on Windows the interface index<sup>1</sup> is used.</p>"},{"location":"scripting/#logging-in-to-a-device","title":"Logging in to a device","text":"<pre><code>~$ ssh admin@fe80::ff:fe00:0%eth0\nThe authenticity of host 'fe80::ff:fe00:0%eth0 (fe80::ff:fe00:0%eth0)' can't be established.\nED25519 key fingerprint is SHA256:5/9mw64jhmYyD8MD+SwrsG3RXMBbP48pDe2T8bg14RQ.\nThis key is not known by any other names\nAre you sure you want to continue connecting (yes/no/[fingerprint])? yes\nWarning: Permanently added 'fe80::ff:fe00:0%eth0' (ED25519) to the list of known hosts.\nadmin@fe80::ff:fe00:0%eth0's password: *****\n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-'\n\nRun the command 'cli' for interactive OAM\n\nadmin@infix-c0-ff-ee:/&gt;\n</code></pre>"},{"location":"scripting/#running-a-remote-command","title":"Running a remote command","text":"<pre><code>~$ ssh admin@fe80::ff:fe00:0%eth0 echo hej\nadmin@fe80::ff:fe00:0%eth0's password: *****\nhej\n</code></pre>"},{"location":"scripting/#made-easy-with-mdns","title":"Made Easy with mDNS","text":"<p>Connecting to networked devices using IP addresses is the way many people are used to.  The above example with IPv6 tend to scare off people, so for the rest of this document we'll use the mDNS name instead:</p> <pre><code>~$ ssh admin@infix.local%eth0\nThe authenticity of host 'infix.local%eth0' can't be established.\nAre you sure you want to continue connecting (yes/no/[fingerprint])? yes\n...\nadmin@infix:/&gt;\n</code></pre>"},{"location":"scripting/#factory-reset","title":"Factory Reset","text":"<p>The command option <code>-y</code> disables any \"are you sure?\" interaction and immediately triggers a factory reset and reboot of the device.  It is when the device boots up it erases all writable storage.</p> <pre><code>~$ ssh admin@infix.local%eth0 factory -y\nadmin@infix.local%eth0's password: *****\n</code></pre>"},{"location":"scripting/#system-reboot","title":"System Reboot","text":"<pre><code>~$ ssh admin@infix.local%eth0 reboot\nadmin@infix.local%eth0's password: *****\n</code></pre>"},{"location":"scripting/#set-date-and-time","title":"Set Date and Time","text":"<p>Devices running Infix may have their system time completely off and this can cause problems for upgrading and when accessing the web interface over HTTPS (certificate validation looks at start and end dates).</p> <p>To set the device's system time, and sync that with the RTC: use the PCs current time as argument:</p> <pre><code>~$ ssh admin@infix.local%eth0 \"sudo date -s '2024-03-20 18:14+01:00' &amp;&amp; \\\n                               sudo hwclock -w -u\"\nadmin@infix.local%eth0's password: *****\n</code></pre> <p>Tip</p> <p>The <code>-u</code> option ensures saving system time to the RTC in UTC time.</p> <p>Verify that the change took:</p> <pre><code>~$ ssh admin@infix.local%eth0 date\nadmin@infix.local%eth0's password: *****\nWed Mar 20 17:14:47 UTC 2024\n</code></pre>"},{"location":"scripting/#remote-control-of-ethernet-ports","title":"Remote Control of Ethernet Ports","text":"<p>There are two ways to do it:</p> <ol> <li>Change the configuration without saving it to <code>startup-config</code></li> <li>Change the operational state</li> </ol> <p>The first involves sending a NETCONF command/config in XML. The second we will cover here. We start by querying available interfaces (ports) on the remote system:</p> <pre><code>~$ ssh admin@infix.local%qtap0 ip -br a\nadmin@infix.local%qtap0's password:\nlo               UP             127.0.0.1/8 ::1/128\ne0               UP             fe80::ff:fe00:0/64\ne1               UP\ne2               UP\ne3               UP\ne4               UP\ne5               UP             fe80::ff:fe00:5/64\ne6               UP             fe80::ff:fe00:6/64\ne7               UP             fe80::ff:fe00:7/64\ne8               UP             fe80::ff:fe00:8/64\ne9               UP             192.168.2.200/24 fe80::ff:fe00:9/64\nbr0              UP\n</code></pre> <p>Here we see a loopback interface (lo), ten Ethernet ports (e0-e9) and a bridge (br0).  From this quick glance we can guess that the ports e1-e4 are bridged (you can verify this with the remote command <code>bridge link</code>) because they do not have a link-local IPv6 address.</p> <p>I know it's port e6 that I want to take down:</p> <pre><code>~$ ssh admin@infix.local%qtap0 ip link set e6 down\nadmin@infix.local%qtap0's password:\nRTNETLINK answers: Operation not permitted\n~$ ssh admin@infix.local%qtap0 sudo ip link set e6 down\nadmin@infix.local%qtap0's password:\n</code></pre> <p>Changing the operational link state of a port is a privileged command, so we have to prefix our command with <code>sudo</code>.</p> <p>Inspecting the link state again show the port is now down:</p> <pre><code>~$ ssh admin@infix.local%qtap0 ip -br a\nadmin@infix.local%qtap0's password:\nlo               UP             127.0.0.1/8 ::1/128\ne0               UP             fe80::ff:fe00:0/64\ne1               UP\ne2               UP\ne3               UP\ne4               UP\ne5               UP             fe80::ff:fe00:5/64\ne6               DOWN\ne7               UP             fe80::ff:fe00:7/64\ne8               UP             fe80::ff:fe00:8/64\ne9               UP             192.168.2.200/24 fe80::ff:fe00:9/64\nbr0              UP\n</code></pre>"},{"location":"scripting/#check-network-connectivity","title":"Check Network Connectivity","text":"<p>Say you want to perform a [System Upgrade][#system-upgrade] and it just does not work, a good place to start troubleshooting is ensuring the device can actually reach the upgrade server.</p> <p>We run the following <code>ping</code> command remotely on the device:</p> <pre><code>~$ ssh admin@infix.local%eth0 ping -c 3 server.local\nadmin@infix.local%qtap0's password: *****\nPING server.local (192.168.2.42) 56(84) bytes of data.\n64 bytes from server.local: icmp_seq=1 ttl=64 time=0.201 ms\n64 bytes from server.local: icmp_seq=2 ttl=64 time=0.432 ms\n64 bytes from server.local: icmp_seq=3 ttl=64 time=0.427 ms\n\n--- server.local ping statistics ---\n3 packets transmitted, 3 received, 0% packet loss, time 2050ms\nrtt min/avg/max/mdev = 0.201/0.353/0.432/0.107 ms\n</code></pre> <p>Here we get a reply, so whatever is the issue with the upgrade was not hiding behind a connectivity issue at least.</p>"},{"location":"scripting/#system-upgrade","title":"System Upgrade","text":"<p>The underlying software that handles upgrades is called RAUC.  To trigger an upgrade you (currently) need an FTP/TFTP or HTTP/HTTPS server where RAUC can fetch the upgrade from.  In this example we use an FTP server to upgrade the currently inactive \"slot\":</p> <pre><code>~$ ssh admin@infix.local%eth0 rauc install ftp://server.local/infix-aarch64-24.06.0.pkg\nadmin@infix.local%eth0's password: *****\ninstalling\n  0% Installing\n  0% Determining slot states\n 20% Determining slot states done.\n 20% Checking bundle\n 20% Verifying signature\n 40% Verifying signature done.\n 40% Checking bundle done.\n 40% Checking manifest contents\n 60% Checking manifest contents done.\n 60% Determining target install group\n 80% Determining target install group done.\n 80% Updating slots\n 80% Checking slot rootfs.1\n 90% Checking slot rootfs.1 done.\n 90% Copying image to rootfs.1\n 99% Copying image to rootfs.1 done.\n 99% Updating slots done.\n100% Installing done.\nidle\nInstalling `ftp://server.local/infix-aarch64-24.06.0.pkg` succeeded\n~$\n</code></pre> <p>The inactive slot is now marked active and will be used on the next boot.  To upgrade the partition we booted from, we must first reboot.</p> <p>For more information, see the Boot Procedure document.</p> <p>Alternative:</p> <p>If you know your device has sufficient storage, eMMC or RAM disk (check with the remote command <code>df -h</code>), you can also copy the <code>.pkg</code> file to the device instead of having to set up an FTP/TFTP or HTTP/HTTPS server.</p> <p>Create an upload directory where <code>admin</code> has write permission:</p> <pre><code>~$ ssh admin@infix.local%eth0 \"sudo mkdir /var/tmp/upload; \\\n                               sudo chown admin /var/tmp/upload\"\nadmin@infix.local%eth0's password:\n</code></pre> <p>Copy the file with secure copy, first we show the nasty IPv6 version of the command:</p> <pre><code>~$ scp infix-aarch64-24.06.0.pkg admin@\\[fe80::ff:fe00:0%eth0\\]:/var/tmp/upload/\nadmin@fe80::ff:fe00:0%eth0's password:\ninfix-aarch64-24.06.0.pkg                              100%  296   601.4KB/s   00:00\n</code></pre> <p>And the upgrade command itself:</p> <pre><code>~$ ssh admin@infix.local%eth0 rauc install /var/tmp/upload/infix-aarch64-24.06.0.pkg\nadmin@infix.local%eth0's password: *****\n.\n.\n.\n</code></pre> <p>Remember to remove the file from the upload directory when you are done, this can be done before or after the reboot to activate the upgrade.  If you want to upgrade both \"slots\", then you can of course keep the file until you are done (provided the upload directory was created on persistent storage).</p> <pre><code>~$ ssh admin@infix.local%eth0 rm /var/tmp/upload/infix-aarch64-24.06.0.pkg\nadmin@infix.local%eth0's password: *****\n~$\n</code></pre>"},{"location":"scripting/#controlling-leds","title":"Controlling LEDs","text":"<p>As part of production testing, LED verification is often expected to be performed.  Infix uses standard Linux support for LED management, where LEDs appear in the file system under /sys/class/leds and can be controlled using echo command. <code>sudo</code> privileges are required.</p> <p>When interacting with LEDs this way, first disable the Infix iitod daemon to avoid conflicting LED control.</p> <pre><code>~$ ssh admin@example.local 'initctl stop iitod'\n</code></pre> <p>Then run the test, e.g., visually control that a red LED labeled 'LAN' is working.</p> <pre><code>~$ ssh admin@example.local 'echo none | sudo tee /sys/class/leds/red\\:lan/trigger'\n~$ ssh admin@example.local 'echo 1    | sudo tee /sys/class/leds/red\\:lan/brightness'\n</code></pre> <p>To turn off the same LED, run the following commands.</p> <pre><code>~$ ssh admin@example.local 'echo none | sudo tee /sys/class/leds/red\\:lan/trigger'\n~$ ssh admin@example.local 'echo 0    | sudo tee /sys/class/leds/red\\:lan/brightness'\n</code></pre> <p>When done with LED testing, enable Infix iitod daemon again.</p> <pre><code>~$ ssh admin@example.local 'initctl start iitod'\n</code></pre>"},{"location":"scripting/#reading-power-feed-status","title":"Reading Power Feed Status","text":"<p>As part of production tests, verification of Power Feed sensors is often expected to be performed. Infix uses standard Linux support for Power management, where power sources appear in the file system under /sys/class/power_supply. The following example reads status of two power supplies named pwr1 and pwr2.</p> <pre><code>~$ ssh admin@example 'cat /sys/class/power_supply/pwr1/online'\n1\n~$ ssh admin@example 'cat /sys/class/power_supply/pwr2/online'\n0\n~$\n</code></pre> <p>Here, only <code>pwr1</code> have power.</p> <ol> <li> <p>Press Win-r to bring up the Run dialog, enter <code>cmd.exe</code> and press enter.  Then type in <code>ipconfig /all</code> to list all interfaces, their status, as well as interface index.\u00a0\u21a9</p> </li> </ol>"},{"location":"syslog/","title":"Syslog Support","text":""},{"location":"syslog/#syslog-support","title":"Syslog Support","text":"<p>The system comes with native logging to internal storage, <code>/var/log/</code>, or <code>/log</code> for a shortcut.  Depending on the device, this may be a RAM disk, meaning logs are not retained across reboots.  This document details how to log to external media or remote syslog servers.</p> <p>It is also possible to set up the device to act as a syslog server (log sink), this is covered briefly at the very end of this document.</p> <p>Note</p> <p>The default logging setup in the system cannot be modified, only the log file rotation.  Please see the <code>dir</code> admin-exec command for a listing of existing log files.</p>"},{"location":"syslog/#log-to-file","title":"Log to File","text":"<p>Logging to a local file is useful when combined with an external media. E.g., a USB stick with a log partition (named/labeled: \"log\").  Below is an example.</p> <p>For a list of available log facilities, see the table in a later section.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit syslog actions log-file file:/media/log/mylog\nadmin@example:/config/syslog/\u2026/file:/media/log/mylog/&gt; set facility-list\n      all    audit     auth authpriv  console     cron    cron2   daemon      ftp     kern\n   local0   local1   local2   local3   local4   local5   local6   local7      lpr     mail\n     news      ntp   syslog     user     uucp\nadmin@example:/config/syslog/\u2026/file:/media/log/mylog/&gt; set facility-list all severity\n     alert       all  critical     debug emergency     error      info      none    notice   warning\nadmin@example:/config/syslog/\u2026/file:/media/log/mylog/&gt; set facility-list all severity critical\nadmin@example:/config/syslog/\u2026/file:/media/log/mylog/&gt; set facility-list mail severity warning\nadmin@example:/config/syslog/\u2026/file:/media/log/mylog/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Important</p> <p>The <code>log-file</code> syntax requires the leading prefix <code>file:</code>.  If the path is not absolute, e.g., <code>file:mylog</code>, the file is saved to the system default path, i.e., <code>/log/mylog</code>.  In this case, verify that the filename is not already in use.</p>"},{"location":"syslog/#log-rotation","title":"Log Rotation","text":"<p>By default log files are allowed to grow to a size of 1 MiB after which they are \"rotated\".  The whole reason for this is to not fill up the disk with outdated logs.  A rotated file is saved in stages and older ones are also compressed (using <code>gzip</code>).  Use the <code>show log</code> command in admin-exec context to start the log file viewer:</p> <pre><code>admin@example:/config/syslog/&gt; do show log\nlog  log.0  log.1.gz  log.2.gz  log.3.gz  log.4.gz  log.5.gz\nadmin@example:/config/syslog/&gt; do show log log.1.gz\n</code></pre> <p>Tip</p> <p>Use the Tab key on your keyboard list available log files.  The <code>do</code> prefix is also very useful in configure context to access commands from admin-exec context.</p> <p>By default 10 compressed older files are saved.  Here the oldest is <code>log.5.gz</code> and the most recently rotated one is <code>log.0</code>.</p> <p>Log file rotation can be configured both globally and per log file. Here we show the global settings, the set up is the same for per log file, which if unset inherit the global settings:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit syslog file-rotation\nadmin@example:/config/syslog/file-rotation/&gt; show\nadmin@example:/config/syslog/file-rotation/&gt;\n</code></pre> <p>The defaults are not shown.  We can inspect them by asking the YANG model for the help texts:</p> <pre><code>admin@example:/config/syslog/file-rotation/&gt; help\n   max-file-size    number-of-files\nadmin@example:/config/syslog/file-rotation/&gt; help max-file-size \nNAME\n        max-file-size kilobytes\n\nDESCRIPTION\n        Maximum log file size (kiB), before rotation.\n\nDEFAULT\n        1024\nadmin@example:/config/syslog/file-rotation/&gt; help number-of-files \nNAME\n        number-of-files [0..4294967295]\n\nDESCRIPTION\n        Maximum number of log files retained.\n\nDEFAULT\n        10\n</code></pre> <p>To change the defaults to something smaller, 512 kiB and 20 (remember everything after .0 is compressed, and text compresses well):</p> <pre><code>admin@example:/config/syslog/file-rotation/&gt; set max-file-size 512\nadmin@example:/config/syslog/file-rotation/&gt; set number-of-files 20\nadmin@example:/config/syslog/file-rotation/&gt; show\nnumber-of-files 20;\nmax-file-size 512;\nadmin@example:/config/syslog/file-rotation/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"syslog/#log-format","title":"Log Format","text":"<p>There are three major syslog log formats, the default is RFC3164 for log files and BSD for remote logging.  Depending on time synchronization and remote log server capabilities, or policies, the RFC5424 format is often preferred since it not only has better time resolution but also supports structured logging:</p> <pre><code>BSD     : myproc[8710]: Kilroy was here.\nRFC3164 : Aug 24 05:14:15 192.0.2.1 myproc[8710]: Kilroy was here.\nRFC5424 : 2003-08-24T05:14:15.000003-07:00 192.0.2.1 myproc 8710 - - Kilroy was here.\n</code></pre> <p>The BSD format is only applicable to remote logging.  It remains the default for compatibility reasons, and is recommended since the device may not have proper time, making it better for the remote log server to perform time stamping at the time of arrival.</p> <p>Configuring the log format is the same for log files and remotes:</p> <pre><code>admin@example:/config/&gt; edit syslog actions log-file file:foobar\nadmin@example:/config/syslog/\u2026/file:foobar/&gt; set log-format\n                  bsd               rfc3164              rfc5424\nadmin@example:/config/syslog/\u2026/file:foobar/&gt; set log-format rfc5424\nadmin@example:/config/syslog/\u2026/file:foobar/&gt; leave\nadmin@example:/&gt;\n</code></pre>"},{"location":"syslog/#log-to-remote-server","title":"Log to Remote Server","text":"<p>Logging to a remote syslog server is the recommended way of supervising the system.  This way all login attempts (console, SSH, or web) and any configuration changes can be traced, even in cases of a remote attacker tries to cover their traces by deleting logs.</p> <p>The recommended setup involves using a fixed IP address, default BSD log format, and the default Internet port (514).  This is the most reliable, because your device may not have DNS set up or even available, and some remote syslog servers do not support receiving time stamped log messages -- this is of course entirely dependent on how the remote server is set up, as well as local policy.</p> <pre><code>admin@example:/config/&gt; edit syslog\n       actions file-rotation        server\nadmin@example:/config/&gt; edit syslog actions destination moon\nadmin@example:/config/syslog/\u2026/moon/&gt; set\n facility-list    log-format           udp\nadmin@example:/config/syslog/\u2026/moon/&gt; set udp\n address    port\nadmin@example:/config/syslog/\u2026/moon/&gt; set udp address 192.168.0.12\nadmin@example:/config/syslog/\u2026/moon/&gt; set facility-list container severity all\nadmin@example:/config/syslog/\u2026/moon/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Tip</p> <p>The alternatives shown below each prompt in the example above can be found by tapping the Tab key.</p>"},{"location":"syslog/#acting-as-a-log-server","title":"Acting as a Log Server","text":"<p>The syslog server can act as a log sink for other devices on a LAN.  For this to work you need a static IP address, here we use 10.0.0.1/24.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit syslog server\nadmin@example:/config/syslog/server/&gt; set enabled true\nadmin@example:/config/syslog/server/&gt; set listen udp 514 address 10.0.0.1\nadmin@example:/config/syslog/server/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>See the above Log to File section on how to set up filtering of received logs to local files.  Please note, filtering based on property, e.g., hostname, is not supported yet.</p>"},{"location":"syslog/#facilities","title":"Facilities","text":"Code Facility Description 0 kern Kernel log messages 1 user User-level messages 2 mail Mail system 3 daemon General system daemons 4 auth Security/authorization messages 5 syslog Messages generated by syslogd 6 lpr Line printer subsystem 7 news Network news subsystem 8 uucp UNIX-to-UNIX copy 9 cron Clock/cron daemon (BSD, Linux) 10 authpriv Security/authorization messages (private) 11 ftp FTP daemon 12 ntp NTP subsystem 13 audit Log audit (security) 14 console Log alert 15 cron2 Clock/cron daemon (Solaris) 16 rauc* local0, reserved for RAUC 17 container* local1, reserved for containers 18 local2 Currently unused 19 local3 Currently unused 20 local4 Currently unused 21 local5 Currently unused 22 reserved* local6, reserved for industrial Ethernet 23 web* local7, reserved for nginx web server <p>Facilities marked <code>*</code> are local augments to the model.</p>"},{"location":"system/","title":"Configuration","text":""},{"location":"system/#system-configuration","title":"System Configuration","text":"<p>System settings in Infix are provided by the ietf-system YANG model, augmented with Linux specific extensions in infix-system, like Message of the Day (login message) and user login shell.  More on this later on in this document.</p> <p>For the sake of brevity, the hostname in the following examples has been shortened to <code>host</code>.  The default hostname is composed from a product specific string followed by the last three octets of the system base MAC address, e.g., <code>switch-12-34-56</code>.  An example of how to change the hostname is included below.</p> <p>Note</p> <p>When issuing <code>leave</code> to activate your changes, remember to also save your settings, <code>copy running-config startup-config</code>.  See the CLI Introduction for a background.</p>"},{"location":"system/#changing-password","title":"Changing Password","text":"<p>User management, including passwords, SSH keys, remote authentication is available in the system authentication configuration context.</p> <pre><code>admin@host:/config/&gt; edit system authentication user admin\nadmin@host:/config/system/authentication/user/admin/&gt; change password\nNew password:\nRetype password:\nadmin@host:/config/system/authentication/user/admin/&gt; leave\n</code></pre> <p>The <code>change password</code> command starts an interactive dialogue that asks for the new password, with a confirmation, and then salts and encrypts the password with sha512crypt.</p> <p>It is also possible to use the <code>set password ...</code> command.  This allows setting an already hashed password.  To manually hash a password, use the <code>do password encrypt</code> command.  This launches the admin-exec command to hash, and optionally salt, your password.  This encrypted string can then be used with <code>set password ...</code>.</p> <p>Tip</p> <p>If you are having trouble thinking of a password, there is a nifty <code>password generate</code> command in admin-exec context which generates random passwords using the UNIX command <code>pwgen</code>.  Use the <code>do</code> prefix when inside any configuration context to access admin-exec commands.</p>"},{"location":"system/#ssh-authorized-key","title":"SSH Authorized Key","text":"<p>Logging in remotely with SSH is possible by adding a public key to a user.  Here we add the authorized key to the admin user, multiple keys are supported.</p> <p>With SSH keys in place it is possible to disable password login, just remember to verify SSH login and network connectivity before doing so.</p> <pre><code>admin@host:/config/&gt; edit system authentication user admin\nadmin@host:/config/system/authentication/user/admin/&gt; edit authorized-key example@host\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; set algorithm ssh-rsa\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; set key-data 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\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; show\nalgorithm ssh-rsa;\nkey-data 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;\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; leave\n</code></pre> <p>Note</p> <p>The <code>ssh-keygen</code> program already base64 encodes the public key data, so there is no need to use the <code>text-editor</code> command, <code>set</code> does the job.</p>"},{"location":"system/#multiple-users","title":"Multiple Users","text":"<p>The system supports multiple users and multiple user levels, or groups, that a user can be a member of.  Access control is entirely handled by the NETCONF \"NACM\" YANG model, which provides granular access to configuration, data, and RPC commands over NETCONF.</p> <p>By default the system ships with a single group, <code>admin</code>, which the default user <code>admin</code> is a member of.  The broad permissions granted by the <code>admin</code> group is what gives its users full system administrator privileges.  There are no restrictions on the number of users with administrator privileges, nor is the <code>admin</code> user reserved or protected in any way -- it is completely possible to remove the default <code>admin</code> user from the configuration.  However, it is recommended to keep at least one user with administrator privileges in the system, otherwise the only way to regain full access is to perform a factory reset.</p>"},{"location":"system/#adding-a-user","title":"Adding a User","text":"<p>Similar to how to change password, adding a new user is done using the same set of commands:</p> <pre><code>admin@host:/config/&gt; edit system authentication user jacky\nadmin@host:/config/system/authentication/user/jacky/&gt; change password\nNew password:\nRetype password:\nadmin@host:/config/system/authentication/user/jacky/&gt; leave\n</code></pre> <p>An authorized SSH key is added the same way as presented previously.</p>"},{"location":"system/#adding-a-user-to-the-admin-group","title":"Adding a User to the Admin Group","text":"<p>The following commands add user <code>jacky</code> to the <code>admin</code> group.</p> <pre><code>admin@host:/config/&gt; edit nacm group admin\nadmin@host:/config/nacm/group/admin/&gt; set user-name jacky\nadmin@host:/config/nacm/group/admin/&gt; leave\n</code></pre>"},{"location":"system/#security-aspects","title":"Security Aspects","text":"<p>The NACM user levels apply primarily to NETCONF, with exception of the <code>admin</code> group which is granted full system administrator privileges to the underlying UNIX system with the following ACL rules:</p> <pre><code>   ...\n   \"module-name\": \"*\",\n   \"access-operations\": \"*\",\n   \"action\": \"permit\",\n   ...\n</code></pre> <p>A user in the <code>admin</code> group is allowed to also use a POSIX login shell and use the <code>sudo</code> command to perform system administrative commands. This makes it possible to use all the underlying UNIX tooling, which to many can be very useful, in particular when debugging a system, but please remember to use with care -- the system is not built to require managing from the shell.  The tools available in the CLI and automated services, started from the system's configuration, are the recommended way of using the system, in addition to NETCONF tooling.</p>"},{"location":"system/#changing-hostname","title":"Changing Hostname","text":"<p>Notice how the hostname in the prompt does not change until the change is committed by issuing the <code>leave</code> command.</p> <pre><code>admin@host:/config/&gt; edit system\nadmin@host:/config/system/&gt; set hostname example\nadmin@host:/config/system/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>The hostname is advertised over mDNS-SD in the <code>.local</code> domain.  If another device already has claimed the <code>example.local</code> CNAME, in our case, mDNS will advertise a \"uniqified\" variant, usually suffixing with an index, e.g., <code>example-1.local</code>.  Use an mDNS browser to scan for available devices on your LAN.</p> <p>In some cases you may want to set the device's domain name as well. This is handled the same way:</p> <pre><code>admin@host:/config/&gt; edit system\nadmin@host:/config/system/&gt; set hostname foo.example.com\nadmin@host:/config/system/&gt; leave\nadmin@foo:/&gt;\n</code></pre> <p>Both host and domain name are stored in the system files <code>/etc/hosts</code> and <code>/etc/hostname</code>.  The latter is exclusively for the host name.  The domain may be used by the system DHCP server when handing out leases to clients, it is up to the clients to request the domain name option.</p> <p>Note</p> <p>Critical services like syslog, mDNS, LLDP, and similar that advertise the hostname, are restarted when the hostname is changed.</p>"},{"location":"system/#changing-login-banner","title":"Changing Login Banner","text":"<p>The <code>motd-banner</code> setting is an Infix augment and an example of a <code>binary</code> type setting that can be changed interactively with the built-in <code>text-editor</code> command.</p> <p>Tip</p> <p>See the next section for how to change the editor used to something you may be more familiar with.</p> <pre><code>admin@host:/config/&gt; edit system\nadmin@host:/config/system/&gt; text-editor motd-banner\nadmin@host:/config/system/&gt; leave\nadmin@host:/&gt;\n</code></pre> <p>Log out and log back in again to inspect the changes.</p>"},{"location":"system/#changing-the-editor","title":"Changing the Editor","text":"<p>The system has three different built-in editors that can be used as the <code>text-editor</code> command:</p> <ul> <li><code>emacs</code> (Micro Emacs)</li> <li><code>nano</code> (GNU Nano)</li> <li><code>vi</code> (Visual Editor)</li> </ul> <p>To change the editor to GNU Nano:</p> <pre><code>admin@host:/&gt; configure\nadmin@host:/config/&gt; edit system\nadmin@host:/config/system/&gt; set text-editor nano\nadmin@host:/config/system/&gt; leave\nadmin@host:/&gt;\n</code></pre> <p>Important</p> <p>Configuration changes only take effect after issuing the <code>leave</code> command.  I.e., you must change the editor first, and then re-enter configure context to use your editor of choice.</p>"},{"location":"system/#dns-resolver-configuration","title":"DNS Resolver Configuration","text":"<p>The system supports both static and dynamic (DHCP) DNS setup.  The locally configured (static) server is preferred over any acquired from a DHCP client.</p> <pre><code>admin@host:/&gt; configure\nadmin@host:/config/&gt; edit system dns-resolver\nadmin@host:/config/system/dns-resolver/&gt; set server google udp-and-tcp address 8.8.8.8\nadmin@host:/config/system/dns-resolver/&gt; show\nserver google {\n  udp-and-tcp {\n    address 8.8.8.8;\n  }\n}\nadmin@host:/config/system/dns-resolver/&gt; leave\n</code></pre> <p>It is also possible to configure resolver options like timeout and retry attempts.  See the YANG model for details, or use the built-in help system in the CLI.</p> <p>Note</p> <p>When acting as a DHCP server and DNS proxy for other devices, any local DNS server configured here is automatically used as upstream DNS server.</p>"},{"location":"system/#ntp-client-configuration","title":"NTP Client Configuration","text":"<p>Below is an example configuration for enabling NTP with a specific server and the <code>iburst</code> option for faster initial synchronization.</p> <pre><code>admin@host:/&gt; configure\nadmin@host:/config/&gt; edit system ntp\nadmin@host:/config/system/ntp/&gt; set enabled\nadmin@host:/config/system/ntp/&gt; set server ntp-pool\nadmin@host:/config/system/ntp/&gt; set server ntp-pool udp address pool.ntp.org\nadmin@host:/config/system/ntp/&gt; set server ntp-pool iburst\nadmin@host:/config/system/ntp/&gt; set server ntp-pool prefer\nadmin@host:/config/system/ntp/&gt; leave\n</code></pre> <p>This configuration enables the NTP client and sets the NTP server to <code>pool.ntp.org</code> with the <code>iburst</code> and <code>prefer</code> options. The <code>iburst</code> option ensures faster initial synchronization, and the <code>prefer</code> option designates this server as preferred.</p> <ul> <li><code>prefer false</code>: The NTP client will choose the best available source based on several factors, such as network delay, stratum, and other metrics (default config).</li> <li><code>prefer true</code>: The NTP client will try to use the preferred server as the primary source unless it becomes unreachable or unusable.</li> </ul>"},{"location":"system/#show-ntp-sources","title":"Show NTP Sources","text":"<p>The status for NTP sources is availble in YANG and accessable with CLI/NETCONF/RESTCONF.</p> <p>To view the sources being used by the NTP client, run: </p><pre><code>admin@target:/&gt; show ntp\nADDRESS         MODE         STATE            STRATUM POLL-INTERVAL\n192.168.1.1     server       candidate              1             6\n192.168.2.1     server       candidate              1             6\n192.168.3.1     server       selected               1             6\n</code></pre><p></p>"},{"location":"system/#show-ntp-status","title":"Show NTP Status","text":"<p>To check the status of NTP synchronization (only availble in CLI), use the following command:</p> <pre><code>admin@host:/&gt; show ntp tracking\nReference ID    : C0248F86 (192.36.143.134)\nStratum         : 2\nRef time (UTC)  : Mon Oct 21 10:06:45 2024\nSystem time     : 0.000000001 seconds slow of NTP time\nLast offset     : -3845.151367188 seconds\nRMS offset      : 3845.151367188 seconds\nFrequency       : 4.599 ppm slow\nResidual freq   : +1293.526 ppm\nSkew            : 12.403 ppm\nRoot delay      : 1.024467230 seconds\nRoot dispersion : 0.273462683 seconds\nUpdate interval : 0.0 seconds\nLeap status     : Normal\nadmin@host:/&gt;\n</code></pre> <p>This output provides detailed information about the NTP status, including reference ID, stratum, time offsets, frequency, and root delay.</p> <p>Tip</p> <p>The system uses <code>chronyd</code> Network Time Protocol (NTP) daemon.  The output shown here is best explained in the Chrony documentation.</p>"},{"location":"test-arch/","title":"Test System Architecture","text":""},{"location":"test-arch/#test-system-architecture","title":"Test System Architecture","text":""},{"location":"test-arch/#tenets","title":"Tenets","text":"<ul> <li> <p>Keep overhead to a minimum.  Tests should be fast to both write   and run.  Ideally, the developer should want to add tests early in   the development cycle because they instinctively feel that that is   the quickest route to arrive at a correct and robust implementation.</p> </li> <li> <p>Both physical and virtual hardware matters.  Infix is primarily   deployed on physical hardware, so being able to run the test suite   on real devices is crucial to guarantee a high quality product.  At   the same time, there is much value in running the same suite on   virtual hardware, as it makes it easy to catch regressions early.   It is also much more practical and economical to build large virtual   networks than physical ones.</p> </li> <li> <p>Avoid CLI scripting &amp; scraping.  Reliably interacting with a DUT   over a serial line in a robust way is very hard to get right.   Given that we have a proper API (RESTCONF), we should leverage that   when testing.  Front-ends can be tested by other means.</p> </li> </ul>"},{"location":"test-arch/#overview","title":"Overview","text":"<p>The test system is made up of several independent components, which are typically used in concert to run a full test suite.</p>"},{"location":"test-arch/#test-cases","title":"Test Cases","text":"<p>A test case is an executable, receiving the physical topology as a positional argument, which produces TAP compliant output on its <code>stdout</code>. I.e., it is executed in the following manner:</p> <pre><code>test-case [OPTS] &lt;physical-topology&gt;\n</code></pre> <p>Test cases are typically written in Python, using the Infamy library.  Ultimately though, it can be implemented in any language, as long as it matches the calling convention above.</p>"},{"location":"test-arch/#infamy","title":"Infamy","text":"<p>Rather than having each test case come up with its own implementation of how to map topologies, how to push NETCONF data to a device, etc., we provide a library of functions to take care of all that, dubbed \"Infamy\".  When adding a new test case, ask yourself if any parts of it might belong in Infamy as a generalized component that can be reused by other tests.</p> <p>Some of the core functions provided by Infamy are:</p> <ul> <li>Mapping a logical topology to a physical one</li> <li>Finding and attaching to a device over an Ethernet interface, using   NETCONF</li> <li>Pushing/pulling NETCONF data to/from a device</li> <li>Generating TAP compliant output</li> </ul>"},{"location":"test-arch/#9pm","title":"9PM","text":"<p>To run multiple tests, we employ 9PM. It let's us define test suites as simple YAML files. Suites can also be hierarchically structured, with a suite being made up of other suites, etc.</p> <p>It also validates the TAP output, making sure to catch early exits from a case, and produces a nice summary report.</p>"},{"location":"test-arch/#testenv","title":"<code>/test/env</code>","text":"<p>A good way to ensure that nobody ever runs the test suite is to make it really hard to do so.  <code>/test/env</code>'s job is instead to make it very easy to create a reproducible environment in which tests can be executed.</p> <p>Several technologies are leveraged to accomplish this:</p> <ul> <li> <p>Containers: The entire execution is optionally done inside a   standardized <code>docker</code> container environment.  This ensures that the   software needed to run the test suite is always available, no matter   which distribution the user is running on their machine.</p> </li> <li> <p>Python Virtual Environments: To make sure that the expected   versions of all Python packages are available, the execution is   wrapped inside a <code>venv</code>.  This is true for containerized executions,   where the container comes with a pre-installed environment, but it   can also be sourced from the host system when running outside of the   container.</p> </li> <li> <p>Virtual Test Topology: Using Qeneth, the environment can   optionally be started with a virtual topology of DUTs to run the   tests on.</p> </li> </ul> <p><code>docker</code> is the only supported container environment when running tests in the host's network namespace. When running on a virtual Qeneth topology, <code>podman</code> may also be used by installing the <code>podman-docker</code> package from your host system's distro.</p>"},{"location":"test-arch/#physical-and-logical-topologies","title":"Physical and Logical Topologies","text":"<p>Imagine that we want to create a test with three DUTs; one acting as a DHCP server, and the other two as DHCP clients - with all three having a management connection to the host PC running the test.  In other words, the test requires a logical topology like the one below.</p> <p></p> <pre><code>graph \"dhcp-client-server\" {\n    host [\n        label=\"host | { &lt;c1&gt; c1 | &lt;srv&gt; srv | &lt;c2&gt; c2 }\",\n        kind=\"controller\",\n    ];\n\n    server [\n        label=\"{ &lt;mgmt&gt; mgmt } | server | { &lt;c1&gt; c1 | &lt;c2&gt; c2 }\",\n        kind=\"infix\",\n    ];\n    client1 [\n        label=\"{ &lt;mgmt&gt; mgmt } | client1 | { &lt;srv&gt; srv }\",\n        kind=\"infix\",\n    ];\n    client2 [\n        label=\"{ &lt;mgmt&gt; mgmt } | client2 | { &lt;srv&gt; srv }\",\n        kind=\"infix\",\n    ];\n\n    host:srv -- server:mgmt\n    host:c1  -- client1:mgmt\n    host:c2  -- client2:mgmt\n\n    server:c1 -- client1:srv;\n    server:c2 -- client2:srv;\n}\n</code></pre> <p>When running in a virtualized environment, one could simply create a setup that matches the test's logical topology.  But in scenarios when devices are physical systems, connected by real copper cables, this is not possible (unless you have some wicked L1 relay matrix thingy).</p> <p>Instead, the test implementation does not concern itself with the exact nodes used to run the test, only that the logical topology can be mapped to some subset of the physical topology.  In mathematical terms, the physical topology must contain a subgraph that is isomorphic to the logical topology.</p> <p>Standing on the shoulders of giants (i.e. people with mathematics degrees), we can deploy well-known algorithms to find such subgraphs. Continuing our example, let's say we want to run our DHCP test on the physical topology below.</p> <p></p> <pre><code>graph \"quad-ring\" {\n    host [\n        label=\"host | { &lt;d1a&gt; d1a | &lt;d1b&gt; d1b | &lt;d1c&gt; d1c | &lt;d2a&gt; d2a | &lt;d2b&gt; d2b | &lt;d2c&gt; d2c | &lt;d3a&gt; d3a | &lt;d3b&gt; d3b | &lt;d3c&gt; d3c | &lt;d4a&gt; d4a | &lt;d4b&gt; d4b | &lt;d4c&gt; d4c }\",\n        kind=\"controller\",\n    ];\n\n    dut1 [\n        label=\"{ &lt;e1&gt; e1 | &lt;e2&gt; e2 | &lt;e3&gt; e3 } | dut1 | { &lt;e4&gt; e4 | &lt;e5&gt; e5 }\",\n        kind=\"infix\",\n    ];\n    dut2 [\n        label=\"{ &lt;e1&gt; e1 | &lt;e2&gt; e2 | &lt;e3&gt; e3 } | dut2 | { &lt;e4&gt; e4 | &lt;e5&gt; e5 }\",\n        kind=\"infix\",\n    ];\n    dut3 [\n        label=\"{ &lt;e1&gt; e1 | &lt;e2&gt; e2 | &lt;e3&gt; e3 } | dut3 | { &lt;e4&gt; e4 | &lt;e5&gt; e5 }\",\n        kind=\"infix\",\n    ];\n    dut4 [\n        label=\"{ &lt;e1&gt; e1 | &lt;e2&gt; e2 | &lt;e3&gt; e3 } | dut4 | { &lt;e4&gt; e4 | &lt;e5&gt; e5 }\",\n        kind=\"infix\",\n    ];\n\n    host:d1a -- dut1:e1\n    host:d1b -- dut1:e2\n    host:d1c -- dut1:e3\n\n    host:d2a -- dut2:e1\n    host:d2b -- dut2:e2\n    host:d2c -- dut2:e3\n\n    host:d3a -- dut3:e1\n    host:d3b -- dut3:e2\n    host:d3c -- dut3:e3\n\n    host:d4a -- dut4:e1\n    host:d4b -- dut4:e2\n    host:d4c -- dut4:e3\n\n    dut1:e5 -- dut2:e4\n    dut2:e5 -- dut3:e4\n    dut3:e5 -- dut4:e4\n    dut4:e5 -- dut1:e4\n}\n</code></pre> <p>Our test (in fact, all tests) receives the physical topology as an input parameter, and then maps the desired logical topology onto it, producing a mapping from logical nodes and ports to their physical counterparts.</p> <pre><code>{\n  \"client1\": \"dut1\",\n  \"client1:mgmt\": \"dut1:e1\",\n  \"client1:srv\": \"dut1:e4\",\n  \"client2\": \"dut3\",\n  \"client2:mgmt\": \"dut3:e2\",\n  \"client2:srv\": \"dut3:e5\",\n  \"host\": \"host\",\n  \"host:c1\": \"host:d1a\",\n  \"host:c2\": \"host:d3b\",\n  \"host:srv\": \"host:d4c\",\n  \"server\": \"dut4\",\n  \"server:c1\": \"dut4:e5\",\n  \"server:c2\": \"dut4:e4\",\n  \"server:mgmt\": \"dut4:e3\"\n}\n</code></pre> <p>With this information, the test knows that, in this particular environment, the server should be managed via the port called <code>d4c</code> on the node called <code>host</code>; that the port connected to the server on <code>client1</code> is <code>e4</code> on <code>dut1</code>, etc.  Thereby separating the implementation of the test from any specific physical setup.</p> <p>Testcases are not required to use a logical topology; they may choose to accept whatever physical topology its given, and dynamically determine the DUTs to use for testing.  As an example, an STP test could accept an arbitrary physical topology, run the STP algorithm on it offline, enable STP on all DUTs, and then verify that the resulting spanning tree matches the expected one.</p>"},{"location":"test-arch/#integration-to-infix","title":"Integration to Infix","text":"<p>When the test environment is started with Qeneth, it doesn't use the  base image directly. Instead, it creates a copy and inserts a <code>test-mode</code> flag into it. During the bootstrap phase, the system checks for the  presence of the test-mode flag (file).</p> <p>If the flag exists, a 'test-config.cfg' file is generated. In the  following step, the system loads the 'test-config' instead of the standard <code>startup-config</code> (or <code>factory-config</code>). This configuration is simple and safe, equivalent to the one used in 'Secure Mode'  (also known as 'failure-config').</p> <p>Additionally, the configuration enables extra RPCs related to system  restart and configuration overrides, allowing tests to be run even on  systems where the factory configuration may potentially create L2 loops. </p>"},{"location":"testing/","title":"Regression Testing","text":""},{"location":"testing/#regression-testing-with-infamy","title":"Regression Testing with Infamy","text":"<p>Infix comes with a test suite that is intended to provide end-to-end verification of supported features.  Generally speaking, this means that one or more DUTs are configured over NETCONF or RESTCONF; the resulting network is then black-box tested by injecting and inspecting network traffic at various points.</p> <p>This document is intended to be a practical guide on how to run, develop and debug tests.  There is a separate document describing the Test System Architecture.</p>"},{"location":"testing/#modes-of-testing","title":"Modes of Testing","text":""},{"location":"testing/#virtual-devices","title":"Virtual Devices","text":"<p>By default, tests are run on a topology made up of virtual Infix nodes using Qeneth. To run the full regression test suite: build Infix for <code>x86_64</code>:</p> <pre><code>$ make x86_64_defconfig\n...\n$ make\n...\n$ make test\n...\n</code></pre>"},{"location":"testing/#physical-devices","title":"Physical Devices","text":"<p>To run the tests on a preexisting topology from the host's network namespace, specify the <code>host</code> <code>TEST_MODE</code>:</p> <pre><code>$ make TEST_MODE=host test\n...\n</code></pre> <p>This typically used when testing on physical hardware. By default the topology will be sourced from <code>/etc/infamy.dot</code>, but this can be overwritten by setting the <code>TOPOLOGY</code> variable:</p> <pre><code>$ make TEST_MODE=host TOPOLOGY=~/my-topology.dot test\n...\n</code></pre>"},{"location":"testing/#make-run-devices","title":"<code>make run</code> Devices","text":"<p>Some tests only require a single DUT.  These can therefore be run against an Infix image started from <code>make run</code>. This requires that the instance is configured to use TAP networking.</p> <p>When the instance is running, you can open a separate terminal and run the subset of the test suite that can be mapped to it:</p> <pre><code>$ make TEST_MODE=run test\n...\n</code></pre>"},{"location":"testing/#interactive-usage","title":"Interactive Usage","text":"<p>When developing and debugging tests, the overhead of repeatedly setting up and tearing down the test environment can quickly start to weigh you down. In these situation, you can start an interactive test environment:</p> <pre><code>$ make test-sh\nInfo: Generating topology\nInfo: Generating node YAML\nInfo: Generating executables\nInfo: Launching dut1\nInfo: Launching dut2\nInfo: Launching dut3\nInfo: Launching dut4\n11:42:52 infamy0:test #\n</code></pre> <p>The example above uses the default mode (<code>qeneth</code>), but the <code>host</code> and <code>run</code> modes also support the <code>test-sh</code> target.</p> <p>It takes a little while to start up, but then we have a shell prompt inside the container running Infamy.  It's a very limited environment, but it has enough to easily run single tests, connect to the virtual devices, and step your code.</p>"},{"location":"testing/#running-subsets-of-tests","title":"Running Subsets of Tests","text":"<p>Each test case is a separate executable, which can be run without arguments:</p> <pre><code>11:42:53 infamy0:test # ./case/infix_dhcp/dhcp_basic.py\n</code></pre> <p>To run a suite of tests, e.g., only the DHCP client tests, pass the suite as an argument to 9PM:</p> <pre><code>11:42:53 infamy0:test # ./9pm/9pm.py case/infix_dhcp/infix_dhcp.yaml\n</code></pre> <p>To run the suite of all tests:</p> <pre><code>11:42:53 infamy0:test # ./9pm/9pm.py case/all.yaml\n</code></pre>"},{"location":"testing/#connecting-to-infamy","title":"Connecting to Infamy","text":"<p>The test system runs in a Docker container, so to get a shell prompt in another terminal you need to connect to that container.  Infamy comes with a helper script for this:</p> <pre><code>$ ./test/shell\n11:42:53 infamy0:test #\n</code></pre> <p>By default it connect to the latest started Infamy instance.  If you for some reason run multiple instances of Infamy the <code>shell</code> script takes an optional argument \"system\", which is the hostname of the container you want to connect to:</p> <pre><code>$ ./test/shell infamy2\n11:42:53 infamy2:test #\n</code></pre>"},{"location":"testing/#connecting-to-a-dut","title":"Connecting to a DUT","text":"<p>Tip</p> <p>The <code>console</code> script uses <code>telnet</code> to connect to a port forwarded to <code>localhost</code> by the Docker container.  To exit Telnet, use Ctrl-] and then 'q' followed by enter.  This can be customized in <code>~/.telnetrc</code></p> <p>All DUTs in a virtual Infamy topology are emulated in Qemu instances managed by qeneth.  If you want to watch what's happening on one of the target systems, e.g., tail a log file or run <code>tcpdump</code> during the test, there is another helper script in Infamy for this:</p> <pre><code>$ ./test/console 1\nTrying 127.0.0.1...\nConnected to 127.0.0.1.\n\nInfix OS \u2014 Immutable.Friendly.Secure v23.11.0-226-g0c144da (console)\ninfix-00-00-00 login: admin\nPassword:\n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-'\n\nRun the command 'cli' for interactive OAM\n\nadmin@infix-00-00-00:~$\n</code></pre> <p>From here we can observe <code>dut1</code> freely while running tests.</p> <p>Like the <code>shell</code> script, <code>console</code> takes an optional \"system\" argument in case you run multiple instances of Infamy:</p> <pre><code>$ ./test/console 1 infamy2\n...\n</code></pre> <p>You can also connect to the console of a DUT from within a <code>shell</code>:</p> <pre><code>$ ./test/shell\n11:42:54 infamy0:test # qeneth status\n11:42:54 infamy0:test # qeneth console dut1\nlogin: admin\npassword: *****\nadmin@infix-00-00-00:~$\n</code></pre> <p>Tip</p> <p>Disconnect from the qeneth console by bringing up the old Telnet \"menu\" using Ctrl-], compared to standard Telnet this is the BusyBox version so you press 'e' + enter instead of 'q' to quit.</p>"},{"location":"testing/#attaching-to-macvlans","title":"Attaching to MACVLANs","text":"<p>To fully isolate the host's interfaces from one another, many tests will stack a MACVLAN on an interface, which is then placed in a separate network namespace.</p> <p>It is often useful to attach to those namespaces, so that you can interactively inject traffic into the test setup.</p> <p>First, connect to the Infamy instance in question:</p> <pre><code>$ ./test/shell\n11:43:19 infamy0:test #\n</code></pre> <p>Then, attach to the MACVLAN namespace by running the <code>nsenter</code> helper script from the test directory, supplying the base interface name as the first argument:</p> <pre><code>11:43:19 infamy0:test # ./nsenter d1b\n11:43:20 infamy0(d1b):test #\n</code></pre> <p>By default, an interactive shell is started, but you can also supply another command:</p> <pre><code>11:43:19 infamy0:test # ./nsenter d1b ip -br addr\nlo               UNKNOWN        127.0.0.1/8 ::1/128\niface@if7        UP             10.0.0.1/24 fe80::38d0:88ff:fe77:b7cd/64\n</code></pre> <p>You can now freely debug the network activity of your test and the responses from the DUT.</p>"},{"location":"testing/#using-the-python-debugger","title":"Using the Python Debugger","text":"<p>The built in <code>breakpoint()</code> function in Python is very useful when you want to run a test case to a certain point at which you might want to interactively inspect either the test's or the device's state.</p> <p>Simply insert a call to <code>breakpoint()</code> at the point of interest in your test and run it as normal. Once Python executes the call, it will drop you into the Python debugger:</p> <pre><code>11:42:58 infamy0:test # ./case/infix_dhcp/dhcp_basic.py\n# Starting (2024-02-10 11:42:59)\n# Probing dut1 on port d1a for IPv6LL mgmt address ...\n# Connecting to mgmt IP fe80::ff:fe00:0%d1a:830 ...\nok 1 - Initialize\n&gt; /home/jocke/src/infix/test/case/infix_dhcp/dhcp_basic.py(44)&lt;module&gt;()\n(Pdb)\n</code></pre> <p>At this point you have full access to the test's state, but it is also an opportunity to inspect the state of the DUTs (e.g. via their console or over SSH).</p> <p>It is also possible to run a test under Pdb from the get-go, if you want to setup breakpoints without modifying the source, or simply step through the code:</p> <pre><code>11:42:58 infamy0:test # python -m pdb case/infix_dhcp/dhcp_basic.py\n</code></pre>"},{"location":"testing/#deterministic-topology-mappings","title":"Deterministic Topology Mappings","text":"<p>By default, mappings from logical to physical topologies are not stable across test case executions. This can be very frustrating when debugging a failing test, since logical nodes are suffled around between phyical nodes. In such cases, supplying a <code>PYTHONHASHSEED</code> variable (set to any 32-bit unsigned integer) when launching the test environment will make sure that topology mappings are deterministic:</p> <pre><code>$ make PYTHONHASHSEED=0 test-sh\n</code></pre> <p>If a seed is not supplied, a random value is chosen. This seed is logged by the <code>meta/reproducible.py</code> test case when running a test suite:</p> <pre><code>$ make test\nInfo: Generating topology\nInfo: Generating node YAML\nInfo: Generating executables\nInfo: Launching dut1\nInfo: Launching dut2\nInfo: Launching dut3\nInfo: Launching dut4\n9PM - Simplicity is the ultimate sophistication\n\nStarting test 0002-reproducible.py\n2024-05-03 10:40:30 # Starting (2024-05-03 10:40:30)\n2024-05-03 10:40:30 # Specify PYTHONHASHSEED=3773822171 to reproduce this test environment\n2024-05-03 10:40:30 ok 1 - $PYTHONHASHSEED is set\n2024-05-03 10:40:30 # Exiting (2024-05-03 10:40:30)\n2024-05-03 10:40:30 1..1\n...\n</code></pre> <p>This is useful because this value can then be used to rerun a test (or the whole suite) with identical topology mappings:</p> <pre><code>$ make PYTHONHASHSEED=3773822171 TESTS=case/ietf_system/hostname.py test\n</code></pre>"},{"location":"testing/#deterministic-transport-protocol","title":"Deterministic Transport Protocol","text":"<p>By default, the communication transport protocol (NETCONF/RESTCONF) is chosen randomly.  If you supply a <code>PYTHONHASHSEED</code> as described above, you get the same protocol used for that hash.  But if you want to choose the protocol, add extra arguments to Infamy:</p> <pre><code>$ make INFAMY_EXTRA_ARGS=\"--transport=restconf\" TESTS=case/ietf_system/hostname.py test\n</code></pre> <p>or, when running interactively:</p> <pre><code>$ make test-sh\n09:08:17 infamy0:test # ./9pm/9pm.py -o\"--transport=restconf\" case/ietf_system/hostname.py\n</code></pre>"},{"location":"testing/#test-specification","title":"Test specification","text":"<p>The test specification is automaticly generated from the test cases, this puts some constraints on the test cases:</p> <p>All test cases must be written so that it can be understandable with only the steps so the result can be reproduced manually.  E.g., instead of <code>set ip address on the interface</code> it should be more human readable, for example:</p> <pre><code>test.step(\"Set IPv4 address on the interface dut:cross\")\ntest.step(\"Verify the IP address is set on dut:cross\")\n</code></pre> <p>where dut, cross and the IPv4 address could be found inside the logical topology for the test.</p> <p>Each test case must begin with the test name followed by a empty line and the description of the test. For example:</p> <pre><code>\"\"\"\nSet hostname\n\nVerify that it it possible to change hostname\n\"\"\"\n</code></pre> <p>The test specifaction can be genererated with:</p> <pre><code>$ make test-spec\n...\n</code></pre>"},{"location":"testing/#test-development","title":"Test Development","text":"<p>For adding a new test to the automated regression test suite, it's best to start by reviewing an existing test case.</p> <p>All tests are located in the <code>infix/test/case</code> repository and are grouped by the features they verify. For example, <code>infix/test/case/infix_services</code> contains tests for various Infix services, such as LLDP and mDNS.</p> <p>While test grouping is flexible, each test should be placed in a logically relevant category.</p> <p>When creating a new test group, add it to <code>infix/test/case/all.yaml</code>, to enable it to run as a subset of the test suite:</p> <pre><code>- name:  infix-services\n  suite: infix_services/infix_services.yaml\n</code></pre> <p>A new test (e.g., lldp_enable_disable) should be added to the corresponding test group .yaml file, such as <code>infix/test/cases/infix_services.yaml</code>:</p> <pre><code>- name: lldp_enable_disable\n  case: lldp_enable_disable/test.py\n</code></pre> <p>It is necessary to include the test in <code>infix/test/case/infix_services/Readme.adoc</code> to ensure proper test specification generation:</p> <pre><code>include::lldp_enable_disable/Readme.adoc[]\n</code></pre> <p>Each test case should have its own directory under, <code>infix/test/case/infix_services</code>, containing:</p> <ul> <li><code>test.py</code> - the test script</li> <li><code>topology.dot</code> - the logical topology definition.</li> </ul> <p>When the test specification is generated, <code>topology.svg</code> and <code>Readme.adoc</code> should also be created.</p>"},{"location":"tunnels/","title":"Tunneling (L2/L3)","text":""},{"location":"tunnels/#tunnel-configuration","title":"Tunnel Configuration","text":"<p>Infix supports multiple tunnel encapsulation protocols for connecting remote networks or devices across an IP backbone.  Tunnels encapsulate packets within IP datagrams, allowing traffic to traverse intermediate networks transparently.</p> <p>Important</p> <p>When issuing <code>leave</code> to activate your changes, remember to also save your settings, <code>copy running-config startup-config</code>.  See the CLI Introduction for a background.</p>"},{"location":"tunnels/#generic-routing-encapsulation-gre","title":"Generic Routing Encapsulation (GRE)","text":"<p>GRE tunnels provide a simple and efficient method to encapsulate various network layer protocols over IP networks.  Infix supports both IPv4 and IPv6 tunnels in two modes:</p> <ul> <li>GRE (Layer 3): Point-to-point IP tunnel for routing protocols and   routed traffic</li> <li>GRETAP (Layer 2): Ethernet tunnel for bridging Layer 2 networks</li> </ul> <p>Tip</p> <p>If you name your tunnel interface <code>greN</code> or <code>gretapN</code>, where <code>N</code> is a number, the CLI infers the interface type automatically.</p>"},{"location":"tunnels/#basic-gre-configuration","title":"Basic GRE Configuration","text":"<p>A basic GRE tunnel for routing between two sites:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface gre0\nadmin@example:/config/interface/gre0/&gt; set gre local 192.168.3.1 remote 192.168.3.2\nadmin@example:/config/interface/gre0/&gt; set ipv4 address 10.255.0.1 prefix-length 30\nadmin@example:/config/interface/gre0/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>This creates a Layer 3 tunnel between 192.168.3.1 and 192.168.3.2 using the outer IP addresses, with the tunnel itself using 10.255.0.0/30 for the inner IP addressing.</p>"},{"location":"tunnels/#gretap-configuration","title":"GRETAP Configuration","text":"<p>GRETAP tunnels operate at Layer 2, allowing bridging across the tunnel:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface gretap0\nadmin@example:/config/interface/gretap0/&gt; set type gretap\nadmin@example:/config/interface/gretap0/&gt; set gre local 192.168.3.1 remote 192.168.3.2\nadmin@example:/config/interface/gretap0/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>GRETAP interfaces can be added to a bridge, bridging local and remote Ethernet segments.  See the Bridge Configuration for more on bridges.</p>"},{"location":"tunnels/#ospf-over-gre","title":"OSPF over GRE","text":"<p>GRE tunnels are commonly used to carry dynamic routing protocols like OSPF across networks that don't support multicast or where you want to create a virtual topology different from the physical network.</p> <p>Example topology: Two sites connected via a GRE tunnel, running OSPF to exchange routes.</p> <p>Site A configuration:</p> <pre><code>admin@siteA:/&gt; configure\nadmin@siteA:/config/&gt; edit interface gre0\nadmin@siteA:/config/interface/gre0/&gt; set gre local 203.0.113.1 remote 203.0.113.2\nadmin@siteA:/config/interface/gre0/&gt; set ipv4 address 10.255.0.1 prefix-length 30\nadmin@siteA:/config/interface/gre0/&gt; set ipv4 forwarding\nadmin@siteA:/config/interface/gre0/&gt; end\nadmin@siteA:/config/&gt; edit routing control-plane-protocol ospfv2 name default ospf\nadmin@siteA:/config/routing/\u2026/ospf/&gt; set area 0.0.0.0 interface gre0\nadmin@siteA:/config/routing/\u2026/ospf/&gt; leave\nadmin@siteA:/&gt;\n</code></pre> <p>Site B configuration:</p> <pre><code>admin@siteB:/&gt; configure\nadmin@siteB:/config/&gt; edit interface gre0\nadmin@siteB:/config/interface/gre0/&gt; set gre local 203.0.113.2 remote 203.0.113.1\nadmin@siteB:/config/interface/gre0/&gt; set ipv4 address 10.255.0.2 prefix-length 30\nadmin@siteB:/config/interface/gre0/&gt; set ipv4 forwarding\nadmin@siteB:/config/interface/gre0/&gt; end\nadmin@siteB:/config/&gt; edit routing control-plane-protocol ospfv2 name default ospf\nadmin@siteB:/config/routing/\u2026/ospf/&gt; set area 0.0.0.0 interface gre0\nadmin@siteB:/config/routing/\u2026/ospf/&gt; leave\nadmin@siteB:/&gt;\n</code></pre> <p>Once configured, OSPF will establish a neighbor relationship through the tunnel and exchange routes between the sites.  For more on OSPF configuration, see Routing Configuration.</p> <p>Note</p> <p>Consider adjusting MTU on the tunnel interface to account for GRE overhead (typically 24 bytes for IPv4, 44 bytes for IPv6) to avoid fragmentation issues.</p>"},{"location":"tunnels/#advanced-tunnel-settings","title":"Advanced Tunnel Settings","text":"<p>All tunnel types support common parameters for controlling tunnel behavior and performance.</p>"},{"location":"tunnels/#time-to-live-ttl","title":"Time To Live (TTL)","text":"<p>The TTL setting controls the Time To Live value for the outer tunnel packets. By default, tunnels use a fixed TTL of 64, which allows packets to traverse multiple hops between tunnel endpoints.</p> <pre><code>admin@example:/config/&gt; edit interface gre0\nadmin@example:/config/interface/gre0/&gt; set gre ttl 255\nadmin@example:/config/interface/gre0/&gt; leave\n</code></pre> <p>Valid values are 1-255, or the special value <code>inherit</code> which copies the TTL from the encapsulated packet.</p> <p>Important</p> <p>The <code>inherit</code> mode can cause problems with routing protocols like OSPF that use TTL=1 for their packets.  For tunnels carrying routing protocols, always use a fixed TTL value (typically 64 or 255).</p>"},{"location":"tunnels/#type-of-service-tos","title":"Type of Service (ToS)","text":"<p>The ToS setting controls QoS marking for tunnel traffic:</p> <pre><code>admin@example:/config/&gt; edit interface gre0\nadmin@example:/config/interface/gre0/&gt; set gre tos 0x10\nadmin@example:/config/interface/gre0/&gt; leave\n</code></pre> <p>Valid values are 0-255 for fixed ToS/DSCP marking, or <code>inherit</code> (default) to copy the ToS value from the encapsulated packet.</p>"},{"location":"tunnels/#path-mtu-discovery-gre-only","title":"Path MTU Discovery (GRE only)","text":"<p>The <code>pmtu-discovery</code> setting can be used to control the Path MTU Discovery on GRE tunnels.  When enabled (default), the tunnel respects the Don't Fragment (DF) bit and performs PMTU discovery:</p> <pre><code>admin@example:/config/&gt; edit interface gre0\nadmin@example:/config/interface/gre0/&gt; set gre pmtudisc false\nadmin@example:/config/interface/gre0/&gt; leave\n</code></pre> <p>Disabling PMTU discovery may be necessary in networks with broken ICMP filtering but can lead to suboptimal performance and fragmentation.</p>"},{"location":"tunnels/#virtual-extensible-local-area-network-vxlan","title":"Virtual eXtensible Local Area Network (VXLAN)","text":"<p>VXLAN is a network virtualization technology that encapsulates Layer 2 Ethernet frames within Layer 4 UDP datagrams.  It uses a 24-bit segment ID, termed VXLAN Network Identifier (VNI), allowing up to 16 million isolated networks.</p> <p>Infix supports both IPv4 and IPv6 for VXLAN tunnel endpoints.</p>"},{"location":"tunnels/#basic-vxlan-configuration","title":"Basic VXLAN Configuration","text":"<p>Tip</p> <p>If you name your VXLAN interface <code>vxlanN</code>, where <code>N</code> is a number, the CLI infers the interface type automatically.</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface vxlan100\nadmin@example:/config/interface/vxlan100/&gt; set vxlan local 192.168.3.1\nadmin@example:/config/interface/vxlan100/&gt; set vxlan remote 192.168.3.2\nadmin@example:/config/interface/vxlan100/&gt; set vxlan vni 100\nadmin@example:/config/interface/vxlan100/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>The VNI uniquely identifies the VXLAN segment and must match on both tunnel endpoints.</p>"},{"location":"tunnels/#vxlan-with-custom-udp-port","title":"VXLAN with Custom UDP Port","text":"<p>The default VXLAN UDP destination port is 4789 (IANA assigned).  In some cases you may need to use a different port:</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface vxlan100\nadmin@example:/config/interface/vxlan100/&gt; set vxlan local 192.168.3.1\nadmin@example:/config/interface/vxlan100/&gt; set vxlan remote 192.168.3.2\nadmin@example:/config/interface/vxlan100/&gt; set vxlan vni 100\nadmin@example:/config/interface/vxlan100/&gt; set vxlan remote-port 8472\nadmin@example:/config/interface/vxlan100/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>The remote-port setting allows interoperability with systems using non-standard VXLAN ports.</p> <p>Note</p> <p>VXLAN tunnels also support the <code>ttl</code> and <code>tos</code> settings described in the Advanced Tunnel Settings section above.</p>"},{"location":"upgrade/","title":"Upgrade","text":""},{"location":"upgrade/#upgrading-boot-order","title":"Upgrading &amp; Boot Order","text":"<p>For resilience purposes, Infix maintains two software images referred to as the primary and secondary partition image.  In addition, some bootloaders support netbooting.</p> <p>The boot order defines which image is tried first, and is listed with the CLI <code>show software</code> command. It also shows Infix version installed per partition, and which image was used when booting (<code>STATE booted</code>).</p> <pre><code>admin@example:/&gt; show software\nBOOT ORDER\nprimary secondary net\n\nNAME      STATE     VERSION                DATE\nprimary   booted    v25.01.0               2025-04-25T10:15:00+00:00\nsecondary inactive  v25.01.0               2025-04-25T10:07:20+00:00\nadmin@example:/&gt;\n</code></pre> <p>YANG support for upgrading Infix, inspecting and modifying the boot-order, is defined in infix-system-software.</p>"},{"location":"upgrade/#upgrading","title":"Upgrading","text":"<p>Upgrading Infix is done one partition at a time. If the system has booted from one partition, an <code>upgrade</code> will apply to the other (inactive) partition.</p> <ol> <li>Download and unpack the release to install. Make the image pkg    bundle available at some URL<sup>2</sup></li> <li>(Optional) Backup the startup configuration</li> <li>Assume the unit has booted the <code>primary</code> image. Then running the    <code>upgrade</code> command installs a new image on the <code>secondary</code> partition</li> <li>As part of a successful upgrade, the boot-order is implictly    changed to boot the newly installed image</li> <li>Reboot the unit</li> <li>The unit now runs the new image. To upgrade the remaining partition    (<code>primary</code>), run the same upgrade command again, and (optionally)    reboot to verify the upgrade</li> </ol> <p>Caution</p> <p>During boot (step 5), the unit may migrate the startup configuration for any syntax changes.  It is therefore important that you make sure to upgrade the other partition as well after reboot, of course after having verified your setup.</p> <p>The CLI example below shows steps 2-5.</p> <p>Backup startup configuration: It is recommended to backup the startup configuration before performing an upgrade. The backup is useful if the upgrade fails, and makes a later downgrade a smoother process.</p> <pre><code>admin@example:/&gt; dir /cfg\n/cfg directory\nbackup/             ssl/                startup-config.cfg\n\nadmin@example:/&gt; copy /cfg/startup-config.cfg /cfg/v25.01.0-startup-config.cfg\nadmin@example:/&gt; dir /cfg\n/cfg directory\nbackup/             ssl/                startup-config.cfg           v25.01.0-startup-config.cfg\n\nadmin@example:/&gt; \n</code></pre> <p>Upgrade: Here the image pkg bundle was made available via TFTP.</p> <pre><code>admin@example:/&gt; upgrade tftp://198.18.117.1/infix-aarch64-25.03.1.pkg\ninstalling\n  0% Installing\n  0% Determining slot states\n 10% Determining slot states done.\n...\n 98% Copying image to rootfs.1\n 99% Copying image to rootfs.1\n 99% Copying image to rootfs.1 done.\n 99% Updating slots done.\n100% Installing done.\nInstalling `tftp://198.18.117.1/infix-aarch64-25.03.1.pkg` succeeded\nadmin@example:/&gt;\n</code></pre> <p>Reboot: The unit will boot on the other partition, with the newly installed image. The <code>Loading startup-config</code> step conducts migration of startup configuration if applicable.</p> <pre><code>admin@example:/&gt; reboot\n[ OK ] Stopping Static routing daemon\n[ OK ] Stopping Zebra routing daemon\n...\n[ OK ] Loading startup-config\n[ OK ] Verifying self-signed https certificate\n[ OK ] Update DNS configuration\n[ OK ] Starting Status daemon\n\nInfix OS \u2014 Immutable.Friendly.Secure v25.03.1 (ttyS0)\nexample login: admin\nPassword:\n.-------.\n|  . .  | Infix OS \u2014 Immutable.Friendly.Secure\n|-. v .-| https://kernelkit.org\n'-'---'-'\n\nRun the command 'cli' for interactive OAM\n\nadmin@example:~$ cli\n\nSee the 'help' command for an introduction to the system\n\nadmin@example:/&gt; show software\nBOOT ORDER\nsecondary primary net\n\nNAME      STATE     VERSION                DATE\nprimary   inactive  v25.01.0               2025-04-25T10:15:00+00:00\nsecondary booted    v25.03.1               2025-04-25T10:24:31+00:00\nadmin@example:/&gt;\n</code></pre> <p>As shown, the boot order has been updated, so that secondary is now the preferred boot source.</p> <p>To upgrade the remaining partition (<code>primary</code>), run the <code>upgrade URL</code> command again, and (optionally) reboot.</p>"},{"location":"upgrade/#configuration-migration","title":"Configuration Migration","text":"<p>The example above illustrated an upgrade from Infix v25.01.0 to v25.03.1. Inbetween these versions, YANG configuration definitions changed slightly (more details given below).</p> <p>During boot, Infix inspects the <code>version</code> meta information within the startup configuration file to determine if configuration migration is needed. In this specific case, the configuration file has version <code>1.4</code> while the booted software expects version <code>1.5</code> (the configuration version numbering differs from the Infix image version numbering).  The startup configuration is migrated to <code>1.5</code> definitions and stored, while a backup previous startup configuration is stored in directory <code>/cfg/backup/</code>.</p> <pre><code>admin@example:/&gt; dir /cfg/backup/\n/cfg/backup/ directory\nstartup-config-1.4.cfg\n\nadmin@example:/&gt;\n</code></pre> <p>The modifications made to the startup configuration can be viewed by comparing the files from the shell. An example is shown below.</p> <pre><code>admin@example:/&gt; exit\nadmin@example:~$ diff /cfg/backup/startup-config-1.4.cfg /cfg/startup-config.cfg\n--- /cfg/backup/startup-config-1.4.cfg\n+++ /cfg/startup-config.cfg\n...\n-          \"public-key-format\": \"ietf-crypto-types:ssh-public-key-format\",\n+          \"public-key-format\": \"infix-crypto-types:ssh-public-key-format\",\n...\n-          \"private-key-format\": \"ietf-crypto-types:rsa-private-key-format\",\n+          \"private-key-format\": \"infix-crypto-types:rsa-private-key-format\",\n...\n-    \"version\": \"1.4\"\n+    \"version\": \"1.5\"\n...\nadmin@example:~$\n</code></pre>"},{"location":"upgrade/#downgrading","title":"Downgrading","text":"<p>Downgrading to an earlier version is possible, however, downgrading is not guaranteed to work smoothly.  In particular, when the unit boots up with the downgraded version, it may fail to apply the startup config, and instead apply its failure config.</p> <p>We consider two cases: downgrading with and without applying a backup startup configuration before rebooting.</p> <p>In both cases we start out with a unit running Infix v25.03.1, and wish to downgrade to v25.01.0.</p> <pre><code>admin@example:/&gt; show software\nBOOT ORDER\nprimary secondary net\n\nNAME      STATE     VERSION                DATE\nprimary   booted    v25.03.1               2025-04-25T11:36:26+00:00\nsecondary inactive  v25.03.1               2025-04-25T10:24:31+00:00\nadmin@example:/&gt;\n</code></pre>"},{"location":"upgrade/#with-backup-startup-config","title":"With Backup <code>startup-config</code>","text":"<p>This is the recommended approach to downgrade, given that you have a backup configuration available.  The objective is to avoid ending up with the unit in failure config.</p> <ol> <li>Find the backup configuration file</li> <li>Run <code>upgrade URL</code> to install Infix image to downgrade to</li> <li>Copy backup startup configuration to current startup configuration    (from shell)</li> <li>Reboot</li> </ol> <p>Find the backup configuration file:</p> <p>Assume you have a backup startup config for the Infix version to downgrade to (here Infix v25.01.0, config <code>version 1.4</code>).</p> <p>The preferred approach is to use a startup configuration backed up when running Infix v25.01.0 on the unit.  See section Upgrading above for more information.  In the following example, there is a backup file available named <code>v25.01.0-startup-config.cfg</code>:</p> <pre><code>admin@example:/&gt; dir /cfg\n/cfg directory\nbackup/       ssl/       startup-config.cfg    v25.01.0-startup-config.cfg\n\nadmin@example:/&gt; \n</code></pre> <p>The alternative is to use a startup config implicitly backed up by the system as part of Configuration Migration.</p> <pre><code>admin@example:/&gt; dir /cfg/backup/\n/cfg/backup/ directory\nstartup-config-1.4.cfg\n\nadmin@example:/&gt;\n</code></pre> <p>Caution</p> <p>Using a backup configuration file stored when the unit was running the old version (e.g., v25.01.0-startup-config.cfg) is preferred.  Although backup files stored due to configuration migration (e.g., <code>startup-config-1.4.cfg</code>) usually works too if the configuration file version (<code>1.4</code>) matches, there are situations when the system may fail to apply it as described below.</p> <p>The configuration file version (<code>1.4</code>) is only incremented when changes in YANG configuration syntax mandates it to handle upgrading. Say the next Infix version includes a new feature setting, it can still have version <code>1.4</code>, as upgrading to it would not need migration. If a user then enables the new feature setting, the new configuration will no longer be compatible with the previous Infix version. A downgrade after enabling new features risks ending up with the unit in failure config.</p> <p>Use <code>upgrade</code> command to downgrade:</p> <pre><code>admin@example:/&gt; upgrade tftp://198.18.117.1/infix-aarch64-25.01.0.pkg\ninstalling\n  0% Installing\n  0% Determining slot states\n 10% Determining slot states done.\n ...\n 99% Copying image to rootfs.1 done.\n 99% Updating slots done.\n100% Installing done.\nInstalling `tftp://198.18.117.1/infix-aarch64-25.01.0.pkg` succeeded\nadmin@example:/&gt;\n</code></pre> <p>Apply the backup configuration file:</p> <p>It is recommended to use a backup configuration file for the Infix version to downgrade to, if there is one available.</p> <pre><code>admin@example:/&gt; copy /cfg/v25.01.0-startup-config.cfg /cfg/startup-config.cfg\nOverwrite existing file /cfg/startup-config.cfg (y/N)? y\nadmin@example:/&gt;\n</code></pre> <p>An alternative is to use a backup file stored when the system conducted a configuration migration. See the caution note above.</p> <pre><code>admin@example:/&gt; copy /cfg/backup/startup-config-1.4.cfg /cfg/startup-config.cfg\nOverwrite existing file /cfg/startup-config.cfg (y/N)? y\nadmin@example:/&gt;\n</code></pre> <p>Reboot:</p> <p>The unit will come up with the applied backup configuration.</p> <pre><code>admin@example:/&gt; reboot\n[ OK ] Saving system clock to file\n[ OK ] Stopping Software update service\n[ OK ] Stopping Status daemon\n...\n[ OK ] Bootstrapping YANG datastore\n[ OK ] Starting Configuration daemon\n[ OK ] Loading startup-config\n[ OK ] Update DNS configuration\n[ OK ] Verifying self-signed https certificate\n[ OK ] Starting Status daemon\n\nInfix OS \u2014 Immutable.Friendly.Secure v25.01.0 (ttyS0)\nexample login:\n</code></pre> <p>Note</p> <p>If the unit despite these measures ends up in failure config, see the next section for more information on how to recover.</p>"},{"location":"upgrade/#without-a-backup-startup-config","title":"Without a Backup <code>startup-config</code>","text":"<p>This procedure assumes you have access to the unit's console port and its default login credentials<sup>1</sup>.</p> <ol> <li>Downgrade</li> <li>Reboot</li> <li>Login with unit's default credentials</li> <li>Conduct factory reset</li> <li>(Then go on configure the unit as you wish)</li> </ol> <p>Use <code>upgrade</code> command to downgrade:</p> <pre><code>admin@example:/&gt; upgrade tftp://198.18.117.1/infix-aarch64-25.01.0.pkg\ninstalling\n  0% Installing\n  0% Determining slot states\n 10% Determining slot states done.\n ...\n 99% Copying image to rootfs.1 done.\n 99% Updating slots done.\n100% Installing done.\nInstalling `tftp://198.18.117.1/infix-aarch64-25.01.0.pkg` succeeded\nadmin@example:/&gt;\n</code></pre> <p>Reboot:</p> <p>Conduct a reboot. During boot, the unit fails to apply the existing startup configuration (config version <code>1.5</code> while software expects version <code>1.4</code> or earlier), and instead applies its failure config. This is what is seen on the console when this situation occurs. Note that the login prompt displays <code>failed</code> as part of the hostname.</p> <pre><code>admin@example:/&gt; reboot\n[ OK ] Saving system clock to file\n[ OK ] Stopping Software update service\n[ OK ] Stopping Status daemon\n...\n[ OK ] Verifying SSH host keys\n[ OK ] Bootstrapping YANG datastore\n[ OK ] Starting Configuration daemon\n[FAIL] Loading startup-config\n[ OK ] Loading failure-config\n[ OK ] Verifying self-signed https certificate\n[ OK ] Starting Status daemon\n\nInfix OS \u2014 Immutable.Friendly.Secure v25.01.0 (ttyS0)\n\nERROR: Corrupt startup-config, system has reverted to default login credentials\nfailed-00-00-00 login:\n</code></pre> <p>To remedy a situation like this, you can login with the unit's default login credentials, preferrably via a console port. The unit's default credentials are typically printed on a sticker on the unit.</p> <pre><code>failed-00-00-00 login: admin\nPassword:\n\nRun the command 'cli' for interactive OAM\n\nadmin@failed-00-00-00:~$\n</code></pre> <p>When it is safe from a network operations perspective, you can conduct a factory reset and reboot. It is recommended to remove the unit from any production network before doing this, as a factory reset may enable undesired connectivity between the unit's ports.</p> <pre><code>admin@failed-00-00-00:~$ factory\nFactory reset device (y/N)? y\nfactory: scheduled factory reset on next boot.\nReboot now to perform reset, (y/N)? y\n[ OK ] Saving system time (UTC) to RTC\n[ OK ] Stopping mDNS alias advertiser\n...\n[ OK ] Starting Configuration daemon\n[ OK ] Loading startup-config\n[ OK ] Update DNS configuration\n[ OK ] Verifying self-signed https certificate\n[ OK ] Starting Status daemon\n[ OK ] Starting Status daemon\n\n\nPlease press Enter to activate this console.\n\nInfix OS \u2014 Immutable.Friendly.Secure v25.01.0 (ttyS0)\nexample login:\n</code></pre> <p>Continued configuration is done as with any unit after factory reset.</p> <ol> <li> <p>In failure config, Infix puts all Ethernet ports as individual interfaces. With direct access, one can connect with e.g., SSH, using link local IPv6 addresses. This as an alternative to connecting via a console port.\u00a0\u21a9</p> </li> <li> <p>Set up an FTP/TFTP/SFTP or HTTP/HTTPS server on the same LAN.\u00a0\u21a9</p> </li> </ol>"},{"location":"virtual/","title":"Virtual Environments","text":""},{"location":"virtual/#virtual-environments","title":"Virtual Environments","text":"<p>Infix primarily targets real hardware, deployment to the cloud is not a priority at the moment.  However, for development and testing purposes there is an <code>x86_64</code> build that runs in Qemu.</p> <p>These images also work with the Graphical Network Simulator (GNS3), which is a very user-friendly tool for playing around with simple to complex network setups, verifying interoperability between vendors, etc.</p>"},{"location":"virtual/#qemu","title":"QEMU","text":"<p>Tip</p> <p>Installation for Debian/Ubuntu based systems can be done by \"simply\": sudo apt install virt-manager -- dependencies ensure the relevant Qemu packages are pulled in as well.  This trick, installing virt-manager, helps set up Qemu networking on your system.</p> <p>A virtualized Infix x86_64 instance can easily be launched from a Linux system, with Qemu installed, by issuing:</p> <pre><code>$ ./qemu.sh\n...\n</code></pre> <p>from an unpacked release tarball.  From a built source tree of Infix the same functionality is bundled as:</p> <pre><code>$ make run\n...\n</code></pre> <p>To change settings, e.g. networking, make run-menuconfig, or from a pre-built Infix release tarball, using ./qemu.sh -c</p> <p>The Infix test suite is built around Qemu and Qeneth, see:</p> <ul> <li>Regression Testing with Infamy</li> <li>Infamy Docker Image</li> </ul>"},{"location":"virtual/#gns3","title":"GNS3","text":"<p>Download the latest build of the <code>x86_64</code>, or <code>aarch64</code> if your host machine is Arm.  Unpack the tarball in a dedicated directory and use \"Import Appliance\" to install the <code>.gns3a</code> file into GNS3.</p> <p>Infix is in the \"Router\" category, it comes with 10 interfaces available by default for use as switch ports or routing.</p>"},{"location":"vpd/","title":"Vital Product Data (VPD)","text":""},{"location":"vpd/#vital-product-data","title":"Vital Product Data","text":"<p>Infix can source Vital Product Data (VPD) from EEPROMs containing an ONIE TLV. The load bearing information from VPDs, used by Infix by default, is:</p> <ol> <li>Base (chassis) MAC address of the system</li> <li>Factory default admin password hash</li> </ol> <p>Additionally, every VPD is listed as a separate component in the ietf-hardware model, in which Infix exports all available attributes to the user. This is useful to read out exact hardware revisions of each board making up a system, figure out if a system belongs to a particular production batch, etc.</p>"},{"location":"vpd/#json-encoding","title":"JSON Encoding","text":"<p>To make EEPROM binary generation less cumbersome, Infix defines a JSON encoding of an ONIE TLV, and provides a tool, onieprom, to translate from one encoding to another. I.e. a JSON object can be translated to its binary equivalent, and vice versa.</p> <p>A mapping between TLV attribute IDs and JSON keys is defined, using the Linux kernel driver as a reference:</p> TLV ID Description Key Type <code>0x21</code> Product Name <code>\"product-name\"</code> String <code>0x22</code> Part Number <code>\"part-number\"</code> String <code>0x23</code> Serial Number <code>\"serial-number\"</code> String <code>0x24</code> MAC #1 Base <code>\"mac-address\"</code> String (\"c0:ff:ee:00:00:00\") <code>0x25</code> Manufacture Date <code>\"manufacture-date\"</code> String (\"MM/DD/YYYY HH:NN:SS\") <code>0x26</code> Device Version <code>\"device-version\"</code> Integer (u8) <code>0x27</code> Label Revision <code>\"label-revision\"</code> String <code>0x28</code> Platform Name <code>\"platform-name\"</code> String <code>0x29</code> ONIE Version <code>\"onie-version\"</code> String <code>0x2a</code> Num MACs <code>\"num-macs\"</code> Integer (u16) <code>0x2b</code> Manufacturer <code>\"manufacturer\"</code> String <code>0x2c</code> Country Code <code>\"country-code\"</code> String (ISO 3166-1 2-byte code) <code>0x2d</code> Vendor <code>\"vendor\"</code> String <code>0x2e</code> Diag Version <code>\"diag-version\"</code> String <code>0x2f</code> Service Tag <code>\"service-tag\"</code> String <code>0xfd</code> Vendor Extension <code>\"vendor-extension\"</code> List of extensions (see below) <p>The JSON encoding of a TLV is a single JSON object with an arbitrary subset of the attributes from the list above.</p> <p>Example: </p><pre><code>{\n    \"product-name\": \"Wacky Widget\",\n    \"serial-number\": \"#1\",\n    \"manufacture-date\": \"02/13/2024 11:29:52\"\n}\n</code></pre><p></p>"},{"location":"vpd/#vendor-extensions","title":"Vendor Extensions","text":"<p>As the specification explicitly mentions the option of supplying multiple vendor extensions, possibly multiple ones of the same type, the JSON chosen encoding is a list, where each element is itself a list of exactly two elements:</p> Element # Type 1 Integer (u32, IANA enterprise number) 2 String (UTF-8 encoded extension data) <p>The format of the extension data is defined by the entity indicated by the IANA enterprise number. Restricting extension data to UTF-8 encoded strings is a decision imposed by Infix; the ONIE specification allows for arbitrary binary data.</p> <p>Example:</p> <pre><code>{\n    ...\n    \"vendor-extension\": [\n        [ 12345, \"my extension data\" ]\n    ]\n}\n</code></pre>"},{"location":"vpd/#infix-specific-extensions","title":"Infix Specific Extensions","text":"<p>Kernelkit's IANA enterprise number is <code>61046</code>, under which any extensions required by Infix are stored. The only valid extension data that may be stored under this number is documented in this section. If other device specific data needs to be stored in a VPD, you must associate that with an enterprise number under our control.</p> <p>Every Kernelkit extension must be a valid JSON object containing an arbitrary subset of the following attributes:</p> Key Value Description <code>\"pwhash\"</code> String (output of <code>mkpasswd(1)</code>) Factory default password for <code>admin</code> <p>Since the extension is itself stored in a JSON document, it has to be appropriately quoted.</p> <p>Example:</p> <pre><code>{\n    ...\n    \"vendor-extension\": [\n        [ 61046, \"{\\\"pwhash\\\":\\\"$6$9rufAxdqCrxrwfQR$G0l9cTVlu/vOhxgo/uMKfRDOmZRd5XWF3vKr5da6qYoxuTJBS/Pl9K.5lrabWoWFFc.71yFMaSlZz0O8FtAtl.\\\"}\" ]\n    ]\n}\n</code></pre>"},{"location":"vpd/#creating-and-parsing-onie-eeprom-binaries","title":"Creating and Parsing ONIE EEPROM Binaries","text":"<pre><code>usage: onieprom [-h] [-e] [-d] [infile] [outfile]\n\npositional arguments:\n  infile\n  outfile\n\noptions:\n  -h, --help    show this help message and exit\n  -e, --encode  Encode JSON input to binary output\n  -d, --decode  Decode binary input to JSON output\n</code></pre> <p>To convert a compatible JSON document (using the first example above) to its binary equivalent, we ask onieprom to encode it for us:</p> <pre><code>~$ onieprom -e example.json &gt;example.bin\n~$ hexdump -C example.bin\n00000000  54 6c 76 49 6e 66 6f 00  01 00 2d 25 13 30 32 2f  |TlvInfo...-%.02/|\n00000010  31 33 2f 32 30 32 34 20  31 31 3a 32 39 3a 35 32  |13/2024 11:29:52|\n00000020  21 0c 57 61 63 6b 79 20  57 69 64 67 65 74 23 02  |!.Wacky Widget#.|\n00000030  23 31 fe 04 dd 69 88 97                           |#1...i..|\n00000038\n</code></pre> <p>We can also run the process in reverse, to inspect the contents of a binary in its equivalent JSON representation:</p> <pre><code>~$ onieprom -d example.bin &gt;example-again.json\n~$ jq . example-again.json\n{\n  \"manufacture-date\": \"02/13/2024 11:29:52\",\n  \"product-name\": \"Wacky Widget\",\n  \"serial-number\": \"#1\"\n}\n</code></pre>"},{"location":"wifi/","title":"Wireless LAN (WiFi)","text":""},{"location":"wifi/#wi-fi-wireless-lan","title":"Wi-Fi (Wireless LAN)","text":"<p>Infix includes built-in Wi-Fi client support for connecting to wireless networks. When a compatible Wi-Fi adapter is detected, the system automatically begins scanning for available networks.</p>"},{"location":"wifi/#current-limitations","title":"Current Limitations","text":"<ul> <li>Only client mode is supported (no access point functionality)</li> <li>USB hotplug is not supported - adapters must be present at boot</li> <li>Interface naming may be inconsistent with multiple USB Wi-Fi adapters</li> </ul>"},{"location":"wifi/#supported-wi-fi-adapters","title":"Supported Wi-Fi Adapters","text":"<p>Wi-Fi support is primarily tested with Realtek chipset-based adapters.</p>"},{"location":"wifi/#known-working-chipsets","title":"Known Working Chipsets","text":"<ul> <li>RTL8821CU</li> <li>Other Realtek chipsets may work but are not guaranteed</li> </ul> <p>Some Realtek chipsets require proprietary drivers not included in the standard kernel</p> <pre><code>     Firmware requirements vary by chipset\n     Check kernel logs if your adapter is not detected\n</code></pre>"},{"location":"wifi/#configuration","title":"Configuration","text":"<p>Add a supported Wi-Fi network device. To verify that it has been detected, look for <code>wifi0</code> in <code>show interface</code></p> <p></p><pre><code>admin@example:/&gt;  show interface\nINTERFACE       PROTOCOL   STATE       DATA\nlo              loopback   UP\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\ne1              ethernet   UP          02:00:00:00:00:01\n                ipv6                   fe80::ff:fe00:1/64 (link-layer)\n                ipv6                   fec0::ff:fe00:1/64 (link-layer)\nwifi0           ethernet   DOWN        f0:09:0d:36:5f:86\n                wifi                   ssid: ------, signal: ------\n</code></pre> Add the new Wi-Fi interface to the configuration to start scanning. <pre><code>admin@example:/config/&gt; set interface wifi0\nadmin@example:/config/&gt; leave\n</code></pre> Now the system will now start scanning in the background. To see the result read the operational datastore for interface <code>wifi0</code> or use the CLI<p></p> <pre><code>admin@infix-00-00-00:/&gt; show interface wifi0\nname                : wifi0\ntype                : wifi\nindex               : 3\nmtu                 : 1500\noperational status  : down\nphysical address    : f0:09:0d:36:5f:86\nipv4 addresses      :\nipv6 addresses      :\nSSID                : ----\nSignal              : ----\n\nSSID                                    ENCRYPTION                    SIGNAL\nssid1                                   WPA2-Personal                 excellent\nssid2                                   WPA2-Personal                 excellent\nssid3                                   WPA2-Personal                 excellent\nssid4                                   WPA2-Personal                 good\nssid5                                   WPA2-Personal                 good\nssid6                                   WPA2-Personal                 good\n</code></pre> <p>In the CLI, signal strength is reported as: excellent, good, poor or bad. For precise values, use NETCONF or RESTCONF, where the RSSI (in dBm) is available in the operational datastore.</p> <p>Configure your Wi-Fi secret in the keystore, it should be between 8 and 63 characters</p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit keystore symmetric-key example\nadmin@example:/config/keystore/\u2026/example/&gt; set key-format wifi-preshared-key-format\nadmin@example:/config/keystore/\u2026/example/&gt; set cleartext-key mysecret\nadmin@example:/config/keystore/\u2026/example/&gt; leave\nadmin@example:/&gt;\n</code></pre> <p>Configure the Wi-Fi settings, set secret to the name selected above for the symmetric key, in this case <code>example</code>.</p> <p>WPA2 or WPA3 encryption will be automatically selected based on what the access point supports. No manual selection is required unless connecting to an open network. No support for certificate based authentication yet.</p> <p>Unencrypted network is also supported, to connect to an unencrypted network (generally not recommended): </p><pre><code>admin@example:/config/interface/wifi0/&gt; set wifi encryption disabled\n</code></pre><p></p> <p>A valid <code>country-code</code> is also required for regulatory compliance, the valid codes are documented in the YANG model <code>infix-wifi-country-codes</code></p> <pre><code>admin@example:/&gt; configure\nadmin@example:/config/&gt; edit interface wifi0\nadmin@example:/config/interface/wifi0/&gt;\nadmin@example:/config/interface/wifi0/&gt; set wifi ssid ssid1\nadmin@example:/config/interface/wifi0/&gt; set wifi secret example\nadmin@example:/config/interface/wifi0/&gt; set wifi country-code SE\nadmin@example:/config/interface/wifi0/&gt; leave\n</code></pre> <p>The Wi-Fi negotiation should now start immediately, provided that the SSID and pre-shared key are correct. You can verify the connection by running <code>show interface</code> again.</p> <pre><code>admin@example:/&gt; show interface\nINTERFACE       PROTOCOL   STATE       DATA\nlo              loopback   UP\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\ne1              ethernet   UP          02:00:00:00:00:01\n                ipv6                   fe80::ff:fe00:1/64 (link-layer)\n                ipv6                   fec0::ff:fe00:1/64 (link-layer)\nwifi0           ethernet   UP          f0:09:0d:36:5f:86\n                wifi                   ssid: ssid1, signal: excellent\n\nadmin@example:/&gt;\n</code></pre>"},{"location":"wifi/#troubleshooting-connection-issues","title":"Troubleshooting Connection Issues","text":"<p>Use <code>show wifi scan wifi0</code> and <code>show interface</code> to verify signal strength and connection status. If issues arise, try the following troubleshooting steps:</p> <ol> <li>Verify signal strength: Check that the target network shows \"good\" or \"excellent\" signal</li> <li>Check credentials: Verify the preshared key in <code>ietf-keystore</code></li> <li>Review logs: Check system logs with <code>show log</code> for Wi-Fi related errors</li> <li>Regulatory compliance: Ensure the country-code matches your location</li> <li>Hardware detection: Confirm the adapter appears in <code>show interface</code></li> </ol> <p>If issues persist, check the system log for specific error messages that can help identify the root cause.</p>"},{"location":"cli/configure/","title":"Configuration","text":""},{"location":"cli/configure/#cli-configure-context","title":"CLI Configure Context","text":"<p>Enter the configure context from admin-exec by typing <code>configure</code> followed by Enter.  Available commands, press <code>?</code> at the prompt:</p> <pre><code>admin@host:/&gt; configure\nadmin@host:/config/&gt;\n  abort        Abandon candidate\n  change       Interactively change setting, e.g. password\n  check        Validate candidate\n  commit       Commit current candidate to running-config\n  delete       Delete configuration setting(s)\n  diff         Summarize uncommitted changes\n  do           Execute operational mode command\n  edit         Descend to the specified configuration node\n  end          Alias to up, leave this subsection/node\n  exit         Ascend to the parent configuration node, or abort (from top)\n  leave        Finalize candidate and apply to running-config\n  no           Alias for delete\n  rollback     Restore candidate to running-config\n  set          Set configuration setting\n  show         Show configuration\n  text-editor  Modify binary content in a text editor\n  top          Ascend to the configuration root\n  up           Ascend to the parent configuration node\n</code></pre> <p>The <code>edit</code> command lets you change to a sub-configure context, e.g.:</p> <pre><code>admin@host:/config/&gt; edit interface eth0\nadmin@host:/config/interface/eth0/&gt;\n</code></pre> <p>Use <code>up</code> to go up one level.</p> <pre><code>admin@host:/config/interface/eth0/&gt; up\nadmin@host:/config/&gt;\n</code></pre> <p>Note: commands in configure context are automatically generated from the system's YANG models, hence different products likely have a different set of commands.  However, both the <code>ietf-interfaces.yang</code> and <code>ietf-ip.yang</code> models, for instance, that provide the networking support are common to all systems.</p>"},{"location":"cli/configure/#set-ip-address-on-an-interface","title":"Set IP Address on an Interface","text":"<pre><code>admin@host:/config/&gt; edit interface eth0\nadmin@host:/config/interface/eth0/&gt;\nadmin@host:/config/interface/eth0/&gt; set ipv4 address 192.168.2.200 prefix-length 24\n</code></pre> <p>From anywhere in configure context you can see the changes you have made by typing <code>diff</code>:</p> <pre><code>admin@host:/config/interface/eth0/&gt; diff\ninterfaces {\n  interface eth0 {\n+    ipv4 {\n+      address 192.168.2.200 {\n+        prefix-length 24;\n+      }\n+    }\n  }\n}\n</code></pre>"},{"location":"cli/configure/#saving-changes","title":"Saving Changes","text":"<p>Apply the changes (from candidate to <code>running-config</code>):</p> <pre><code>admin@host:/config/interface/eth0/&gt; leave\nadmin@host:/&gt; show running-config\n...\ninterfaces {\n  interface eth0 {\n    type ethernetCsmacd;\n    ipv4 {\n      address 192.168.2.200 {\n        prefix-length 24;\n      }\n    }\n  }\n...\n</code></pre> <p>Since we did not get any warnings we can save the running (RAM only) configuration to startup, so the changes are made persistent across reboots:</p> <pre><code>admin@host:/&gt; copy running-config startup-config\n</code></pre> <p>The <code>startup-config</code> can also be inspected with the <code>show</code> command to verify the changes are saved.</p> <p>Note: all commands need to be spelled out, no short forms are allowed in the CLI.  Use the <code>TAB</code> key to make your life easier.</p>"},{"location":"cli/configure/#changing-hostname","title":"Changing Hostname","text":"<p>Settings like hostname are located in the <code>ietf-system.yang</code> model. Here is how it can be set.</p> <pre><code>admin@host:/config/&gt; edit system\nadmin@host:/config/system/&gt; set hostname example\nadmin@host:/config/system/&gt; leave\nadmin@example:/&gt; \n</code></pre> <p>Notice how the hostname in the prompt does not change until the change is committed.</p> <p>Note: critical services like syslog, mDNS, LLDP, and similar that advertise the hostname, are restarted when the hostname is changed.</p>"},{"location":"cli/configure/#changing-password","title":"Changing Password","text":"<p>User management, including passwords, is also a part of <code>ietf-system</code>.</p> <pre><code>admin@host:/config/&gt; edit system authentication user admin\nadmin@host:/config/system/authentication/user/admin/&gt; change password\nNew password: \nRetype password: \nadmin@host:/config/system/authentication/user/admin/&gt; leave\n</code></pre> <p>The <code>change password</code> command starts an interactive dialogue that asks for the new password, with a confirmation, and then salts and encrypts the password with sha512crypt. </p> <p>It is also possible to use the <code>set password ...</code> command.  This allows setting an already hashed password.  To manually hash a password, use the <code>do password encrypt</code> command.  This launches the admin-exec command to hash, and optionally salt, your password.  This encrypted string can then be used with <code>set password ...</code>.</p> <p>Tip: if you are having trouble thinking of a password, there is also <code>do password generate</code>, which generates random but readable strings using the UNIX command <code>pwgen</code>.</p>"},{"location":"cli/configure/#ssh-authorized-key","title":"SSH Authorized Key","text":"<p>Logging in remotely with SSH is possible by adding a public key to a user.  Here we add the authorized key to the admin user, multiple keys are supported.</p> <p>With SSH keys in place it is possible to disable password login, just remember to verify SSH login and network connectivity before doing so.</p> <pre><code>admin@host:/config/&gt; edit system authentication user admin \nadmin@host:/config/system/authentication/user/admin/&gt; edit authorized-key example@host\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; set algorithm ssh-rsa\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; set key-data 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\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; show\nalgorithm ssh-rsa;\nkey-data 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;\nadmin@host:/config/system/authentication/user/admin/authorized-key/example@host/&gt; leave\n</code></pre> <p>Note: the <code>ssh-keygen</code> program already base64 encodes the public key data, so there is no need to use the <code>text-editor</code> command, <code>set</code> does the job.</p>"},{"location":"cli/configure/#creating-a-veth-pair","title":"Creating a VETH Pair","text":"<p>The following example creates a <code>veth0a &lt;--&gt; veth0b</code> virtual Ethernet pair which is useful for connecting, e.g., a container to the physical world.  Here we also add an IPv4 address to one end of the pair.</p> <pre><code>admin@host:/config/&gt; edit interface veth0a\nadmin@host:/config/interface/veth0a/&gt; set veth peer veth0b\nadmin@host:/config/interface/veth0a/&gt; set ipv4 address 192.168.0.1 prefix-length 24\nadmin@host:/config/interface/veth0a/&gt; up\nadmin@host:/config/&gt; diff\ninterfaces {\n+  interface veth0a {\n+    type veth;\n+    ipv4 {\n+      address 192.168.0.1 {\n+        prefix-length 24;\n+      }\n+    }\n+    veth {\n+      peer veth0b;\n+    }\n+  }\n+  interface veth0b {\n+    type veth;\n+    veth {\n+      peer veth0a;\n+    }\n+  }\n}\nadmin@host:/config/&gt; leave\n</code></pre> <p>See the bridging example below for more.</p> <p>Note: in the CLI you do not have to create the <code>veth0b</code> interface. The system infers this for you.  When setting up a VETH pair using NETCONF, however, you must include the <code>veth0b</code> interface.</p>"},{"location":"cli/configure/#creating-a-bridge","title":"Creating a Bridge","text":"<p>Building on the previous example, we now create a non-VLAN filtering bridge (<code>br0</code>) that forwards any, normally link-local, LLDP traffic between both its bridge ports: <code>eth0</code> and <code>vet0b</code>.</p> <pre><code>admin@host:/&gt; configure\nadmin@host:/config/&gt; edit interface br0\nadmin@host:/config/interface/br0/&gt; set bridge ieee-group-forward lldp\nadmin@host:/config/interface/br0/&gt; up\nadmin@host:/config/&gt; set interface eth0 bridge-port bridge br0\nadmin@host:/config/&gt; set interface veth0b bridge-port bridge br0\nadmin@host:/config/&gt; diff\ninterfaces {\n+  interface br0 {\n+    type bridge;\n+    bridge {\n+      ieee-group-forward lldp;\n+    }\n+  }\n  interface eth0 {\n+    bridge-port {\n+      bridge br0;\n+    }\n  }\n+  interface veth0a {\n+    type veth;\n+    ipv4 {\n+      address 192.168.0.1 {\n+        prefix-length 24;\n+      }\n+    }\n+    veth {\n+      peer veth0b;\n+    }\n+  }\n+  interface veth0b {\n+    type veth;\n+    veth {\n+      peer veth0a;\n+    }\n+    bridge-port {\n+      bridge br0;\n+    }\n+  }\n}\n</code></pre> <p>Both a physical port <code>eth0</code> and a virtual port <code>veth0b</code> (bridge side of the VETH pair from the previous example) are now bridged.  Any traffic ingressing one port will egress the other.  Only reserved IEEE multicast is filtered, except LLDP frames as shown above.</p> <p>Note: the bridge can be named anything, provided the interface name is not already taken.  However, for any name outside the pattern <code>br[0-9]+</code>, you have to set the interface type manually to <code>bridge</code>.</p>"},{"location":"cli/introduction/","title":"Introduction","text":""},{"location":"cli/introduction/#cli-introduction","title":"CLI Introduction","text":"<p>The command line interface (CLI, see-ell-aye) implements a CISCO-like, or Juniper Networks JunOS-like, CLI.  It is the traditional way of interacting with single network equipment like switches and routers. Today more advanced graphical NETCONF-based tools are available that allows for managing entire fleets of installed equipment.</p> <p>Nevertheless, when it comes to initial deployment and debugging, it is very useful to know how to navigate and use the CLI.  This very short guide intends to help you with that.</p> <p>New users usually get the CLI as the default \"shell\" when logging in, but the default <code>admin</code> user logs in to <code>bash</code>.  To access the CLI, type:</p> <pre><code>admin@host-12-34-56:~$ cli\n\nSee the 'help' command for an introduction to the system\n\nadmin@host-12-34-56:/&gt;\n</code></pre> <p>The prompt (beginning of the line) changes slightly.  Key commands available in any context are:</p> <pre><code>admin@host-12-34-56:/&gt; help                   # Try: Tab or ?\n...\nadmin@host-12-34-56:/&gt; show                   # Try: Tab or ?\nadmin@host-12-34-56:/&gt;                        # Try: Tab or ?\n</code></pre> <p>Note: even on an empty command line, you can tap the <code>Tab</code> or <code>?</code> keys. See <code>help keybindings</code> for more tips!</p>"},{"location":"cli/introduction/#key-concepts","title":"Key Concepts","text":"<p>The two modes in the CLI are the admin-exec and the configure context.</p> <p>The top-level context after logging in and starting the CLI is the admin-exec or \"main\" context.  It is used for querying system status, managing configuration files/profiles and doing advanced debugging.</p> <p>Available commands can be seen by pressing <code>?</code> at the prompt:</p> <pre><code>admin@host:/&gt;\n  configure      Create new candidate-config based on running-config\n  copy           Copy file or configuration, e.g., copy running-config startup-config\n  dir            List available configuration files\n  exit           Exit from CLI (log out)\n  factory-reset  Restore the system to factory default state\n  follow         Monitor a log file, use Ctrl-C to abort\n  help           Help system (try also the '?' key)\n  logout         Alias to exit\n  netcalc        IP subnet calculator, with subnetting\n  password       Password tools\n  ping           Ping a network host or multicast group\n  poweroff       Poweroff system (system policy may yield reboot)\n  reboot         Reboot system\n  remove         Remove a configuration file\n  set            Set operations, e.g., current date/time\n  show           Show system status and configuration files\n  tcpdump        Capture network traffic\n  upgrade        Install a software update bundle from remote or local file\n</code></pre> <p>The system has three main datastores (or files): factory, startup, and running that can be managed and inspected using the <code>copy</code>, <code>show</code>, and <code>configure</code> commands.  The traditional names used in the CLI for these are listed below:</p> <ul> <li><code>factory-config</code> the default configuration from factory for the    device, i.e., what the system returns to after a <code>factory-reset</code></li> <li><code>startup-config</code> created from <code>factory-config</code> at first boot after    factory reset.  Loaded as the system configuration on each boot</li> <li><code>running-config</code> what is actively running on the system.  If no    changes have been made since boot, it is the same as <code>startup-config</code></li> <li><code>candidate-config</code> is created from <code>running-config</code> when entering the    configure context.  Any changes made here can be discarded (<code>abort</code>,    <code>rollback</code>) or committed (<code>commit</code>, <code>leave</code>) to <code>running-config</code></li> </ul> <p>Edit the running configuration using the <code>configure</code> command.  This copies running to candidate, a temporary datastore, where changes are made:</p> <pre><code>admin@host-12-34-56:/&gt; configure\nadmin@host-12-34-56:/config/&gt; ...             # Try: Tab or ?\nadmin@host-12-34-56:/config/&gt; leave\n</code></pre> <p>The <code>leave</code> command activates the changes by issuing a transaction to, essentially, copy the candidate back to running.  Depending on the changes made, this can take a few seconds.  If the changes are invalid, i.e., not correct according to the underlying YANG models, a warning is shown and the session remains in configure context.  Use the <code>abort</code> command to cancel your changes, or investigate further with the <code>diff</code> command (see more below).</p> <p>To save configuration changes made to the <code>running-config</code> to persistent store, so the system will use them for consecutive reboots, use the <code>copy</code> command:</p> <pre><code>admin@host-12-34-56:/&gt; copy running-config startup-config\n</code></pre> <p>In configure context the following commands are available:</p> Command Description <code>set foo bar val</code> Set <code>bar</code> leaf node in <code>foo</code> subcontext to <code>val</code> <code>no foo bar</code> Clear/delete configuration made to <code>bar</code> in <code>foo</code> <code>edit foo baz</code> Enter <code>baz</code> sub-sub-context in <code>foo</code> subcontext <code>change password</code> Start password dialogue to change a user's password <code>text-editor foo</code> Open a text editor to edit binary setting <code>foo</code> <code>abort</code> Abort changes in configuration, return to admin-exec <code>exit</code> Exit one level sub-context, or abort from top-level <code>leave</code> Save changes to <code>running-config</code>, return to admin-exec <code>show [foo]</code> Show configured values (optionally in subcontext) <code>diff [foo]</code> Show uncommitted changes in candidate <code>do command</code> Call admin-exec command: <code>do show log</code> <code>commit</code>"},{"location":"cli/introduction/#example-session","title":"Example Session","text":"<p>Remember to use the <code>TAB</code> and <code>?</code> keys to speed up your navigation. See <code>help keybindings</code> for more tips!</p> <p>In this example we enter configure context to add an IPv4 address to interface <code>eth0</code>, then we apply the changes using the <code>leave</code> command.</p> <p>We inspect the system status to ensure the change took effect.  Then we save the changes for the next reboot.</p> <pre><code>admin@host-12-34-56:/&gt; configure\nadmin@host-12-34-56:/config/&gt; edit interface eth0\nadmin@host-12-34-56:/config/interface/eth0/&gt; set ipv4 &lt;TAB&gt;\n      address     autoconf bind-ni-name      enabled\n      forwarding  mtu      neighbor\nadmin@host-12-34-56:/config/interface/eth0/&gt; set ipv4 address 192.168.2.200 prefix-length 24\nadmin@host-12-34-56:/config/interface/eth0/&gt; show\ntype ethernetCsmacd;\nipv4 address 192.168.2.200 prefix-length 24;\nipv6 enabled true;\nadmin@host-12-34-56:/config/interface/eth0/&gt; diff\ninterfaces {\n  interface eth0 {\n+    ipv4 {\n+      address 192.168.2.200 {\n+        prefix-length 24;\n+      }\n+    }\n  }\n}\nadmin@host-12-34-56:/config/interface/eth0/&gt; leave\nadmin@host-12-34-56:/&gt; show interfaces\nINTERFACE       PROTOCOL   STATE       DATA\nlo              loopback   UNKNOWN     00:00:00:00:00:00\n                ipv4                   127.0.0.1/8 (static)\n                ipv6                   ::1/128 (static)\neth0            ethernet   UP          52:54:00:12:34:56\n                ipv4                   192.168.2.200/24 (static)\n                ipv6                   fe80::5054:ff:fe12:3456/64 (link-layer)\nadmin@host-12-34-56:/&gt; show ip brief\nlo               UNKNOWN        127.0.0.1/8 ::1/128\neth0             UP             192.168.2.200/24 fe80::5054:ff:fe12:3456/64\nadmin@host-12-34-56:/&gt; copy running-config startup-config\n</code></pre> <p>One of the ideas behind a separate running and startup configuration is to be able to verify a configuration change.  In case of an inadvertent change that, e.g., breaks networking, it is trivial to revert back by:</p> <pre><code>admin@host-12-34-56:/&gt; copy startup-config running-config\n</code></pre> <p>Or restart the device, for example if the change to the configuration caused you to lose contact with the system (it happens to the best of us).  The system will start up from the last \"save gave\".</p> <p>Tip: when restoring a backup of a configuration, or having manually edited a config file, you can validate it using system's YANG models, it is not applied if validation is successful:</p> <p><code>copy /media/backup/old.cfg running-config validate</code></p>"},{"location":"cli/keybindings/","title":"Keybindings","text":""},{"location":"cli/keybindings/#cli-keybindings","title":"CLI Keybindings","text":"<p>Writing CLI commands by hand is very tedious.  To make things easier the CLI has several keybindings, most significant first:</p> Key Cmd/Key Description TAB Complete current command, see below for example ? Show available commands, or arguments, with help Ctrl-c Cancel everything on current line Ctrl-d <code>abort</code>/<code>exit</code> Delete character, or abort/exit on empty line Ctrl-z <code>leave</code> Leave and activate changes in configure context Ctrl-f Right arrow Move cursor forward one character Ctrl-b Left arrow Move cursor back one character Meta-f Ctrl-Right Move cursor forward one word Meta-b Ctrl-Left Move cursor back one word Ctrl-e End Move cursor to end of line Ctrl-a Home Move cursor to beginning of line Ctrl-k Kill (cut) text from cursor to end of line Ctrl-u Delete (cut) entire line Ctrl-y Yank (paste) from kill buffer to cursor Meta-. Yank (paste) last argument from previous line Ctrl-w Meta-Backspace Delete (cut) word to the left Meta-Delete Delete (cut) word to the right Ctrl-l Clear screen and refresh current line Ctrl-p Up arrow History, previous command Ctrl-n Down arrow History, next command Ctrl-r History, reversed interactive search (i-search)"},{"location":"cli/keybindings/#what-is-meta","title":"What is Meta?","text":"<p>The Meta key is called Alt on most modern keyboards.  If you have neither, first tap the Esc key instead of holding down Alt/Meta.</p>"},{"location":"cli/keybindings/#usage","title":"Usage","text":"<p>Complete a word.  Start by typing a few characters, then tap the TAB key on your keyboard:</p> <pre><code>conf&lt;TAB&gt; --&gt; configure\n</code></pre> <p>See possible arguments, with brief help text, to a command:</p> <pre><code>show ?\nbridge          Show bridge (ports/fdb/mdb/vlans)\ndatetime        Show current date and time, default RFC2822 format\n...\n</code></pre> <p>Type the command, then tap the <code>?</code> key.</p>"},{"location":"cli/netcalc/","title":"Network Calculator","text":""},{"location":"cli/netcalc/#network-calculator","title":"Network Calculator","text":"<pre><code>netcalc &lt;ADDRESS/LEN | NETWORK NETMASK&gt; [split &lt;1-32 | 64-128&gt;]\n</code></pre>"},{"location":"cli/netcalc/#description","title":"Description","text":"<p><code>netcalc</code> is a network calculator that takes an IP address and a subnet mask, or an IP address and prefix mask in CIDR notation, and then returns information about the subnet.  Both IPv4 and IPv6 is supported.</p> <p>A subnet can be entered in two ways:</p> <ul> <li><code>192.168.2.0 255.255.255.0</code>: traditional IPv4 'address netmask' style</li> <li><code>192.168.2.0/24</code>: modern prefix length, same also for IPv6</li> </ul> <p>An optional <code>split LEN</code> can be given as argument, the new length value must be bigger than the current prefix length.  See example below.</p>"},{"location":"cli/netcalc/#examples","title":"Examples","text":"<p>Its most commonly used features are to understand how many addresses an IP subnet has, what the broadcast address is, first and last usable address.</p> <pre><code>admin@example:/&gt; netcalc 192.168.2.0/24\nAddress  : 192.168.2.0          11000000.10101000.00000010. 00000000\nNetmask  : 255.255.255.0 = 24   11111111.11111111.11111111. 00000000\nWildcard : 0.0.0.255            00000000.00000000.00000000. 11111111\n=&gt;\nNetwork  : 192.168.2.0/24       11000000.10101000.00000010. 00000000\nHostMin  : 192.168.2.1          11000000.10101000.00000010. 00000001\nHostMax  : 192.168.2.254        11000000.10101000.00000010. 11111110\nBroadcast: 192.168.2.255        11000000.10101000.00000010. 11111111\nHosts/Net: 254                   Class C, Private network (RFC1918)\n</code></pre> <p>Another common use-case is for IP subnetting, i.e., using only as many addresses for an IP subnet as needed.  Example, to split the above /24 in four:</p> <pre><code>admin@example:/&gt; netcalc 192.168.2.0/24 split 26\nAddress  : 192.168.2.0          11000000.10101000.00000010. 00000000\nNetmask  : 255.255.255.0 = 24   11111111.11111111.11111111. 00000000\nWildcard : 0.0.0.255            00000000.00000000.00000000. 11111111\n=&gt;\nNetwork  : 192.168.2.0/24       11000000.10101000.00000010. 00000000\nHostMin  : 192.168.2.1          11000000.10101000.00000010. 00000001\nHostMax  : 192.168.2.254        11000000.10101000.00000010. 11111110\nBroadcast: 192.168.2.255        11000000.10101000.00000010. 11111111\nHosts/Net: 254                   Class C, Private network (RFC1918)\n\n[Split network/26]\nNetwork  : 192.168.2.0   - 192.168.2.63     Netmask  : 255.255.255.192\nNetwork  : 192.168.2.64  - 192.168.2.127    Netmask  : 255.255.255.192\nNetwork  : 192.168.2.128 - 192.168.2.191    Netmask  : 255.255.255.192\nNetwork  : 192.168.2.192 - 192.168.2.255    Netmask  : 255.255.255.192\n</code></pre>"},{"location":"cli/quick/","title":"Quickstart Guide","text":""},{"location":"cli/quick/#cli-quickstart-guide","title":"CLI Quickstart Guide","text":"<p>The question mark <code>?</code> key along with the <code>Tab</code> key are your best friends in the command line interface.  They provide context help and completion of commands you input.  See the table below for a handful of examples.</p> Command Description <code>help</code> Overview of topics/settings in the current context <code>?</code> Lists commands + brief help in the current context <code>&lt;Tab&gt;</code> Lists commands available in the current context <code>partial&lt;Tab&gt;</code> Completes a partial command name <code>command &lt;Tab&gt;</code> Lists keywords/arguments associated with a command <code>command keyword ?</code> Lists arguments associated with a keyword + help <p>Explore the following topics for more information.  Note, the keybindings are really useful to learn!</p> Command Description <code>help introduction</code> An introduction to the CLI <code>help configure</code> How to use configure context <code>help text-editor</code> Help with the built-in text-editor command <code>help keybindings</code> Lists available keybindings &amp; other helpful tricks <p>In <code>configure</code> context the <code>help setting</code> command shows the YANG description text for each node and container.  To reach the admin exec help from configure context, e.g., <code>do help text-editor</code></p>"},{"location":"cli/tcpdump/","title":"Network Monitoring","text":""},{"location":"cli/tcpdump/#network-monitoring","title":"Network Monitoring","text":"<p><code>tcpdump</code> is useful tool for analyzing and diagnosing network problems. This document presents the limited feature set that exposed is in the CLI.  Administrator level users with shell access can use the full feature set, and is not described here.</p> <p>The following section is useful for understanding how to use the tool. A section called Examples follows that, which may be what you want to scroll down to.</p>"},{"location":"cli/tcpdump/#hardware-overview","title":"Hardware Overview","text":"<p>Using <code>tcpdump</code> effectively requires an understanding of how the underlying hardware works.  For a standard PC, or common single-board computers (SBC), the network cards (NICs) are usually connected directly to the CPU.</p> <pre><code>                      .---------.\n                      |         +-- eth0\n                      |   CPU   |\n                      |         +-- eth1\n                      '---------'\n</code></pre> <p>In this setup it is evident that traffic coming in on either eth0 or eth1 reach the CPU, i.e., running <code>tcpdump eth0</code> captures all traffic.</p> <p>However, on other types of networking hardware, e.g., dedicated switch core setups depicted below, the flow of network traffic will likely not pass through the CPU.  This depends of course on how the switch is set up, for instance if routing between all ports is enabled, each flow will reach the CPU, but in a plain switching setup it will not.</p> <pre><code>                      .---------.\n                      |         |\n                      |   CPU   |\n                      |         |\n                      '----+----'\n                           |\n                           |\n                .----------+---------.\n                |                    |\n             ---+                    +---\n            E1  |         SC         |  E3\n             ---+                    +---\n            E2  |                    |  E4\n                '--+--+--+--+--+--+--'\n                   |  |  |  |  |  |\n                  E5 E6 E7 E8 E9 E10\n</code></pre> <p>So, running <code>tcpdump e1</code> in a switching setup, inside the CPU, the only traffic that will be captured is traffic ingressing port E1 destined for the CPU itself.  To analyze traffic going through the switch, you need something called port mirroring, or port monitoring, i.e., setting up the switch core to mirror traffic ingressing and/or egressing a set of ports to another port.  On this monitor port you can then run your tcpdump, which means you need an external device (laptop).</p> <p>A planned feature is to support mirroring traffic to the CPU port, which would be an effective way to log and monitor traffic over a longer period of time.  Highly effective for diagnosing intermittent and other rare network issues.</p> <p>If only \"proof of life\" is required, then sometimes port counters, also called RMON counters, can be very useful too.  Seeing counters of a particular type increment means traffic is ingressing or egressing.</p>"},{"location":"cli/tcpdump/#examples","title":"Examples","text":"<p>Listen to all traffic on an interface:</p> <pre><code>admin@example:/&gt; tcpdump e1\n</code></pre> <p>Listen to only ping traffic:</p> <pre><code>admin@example:/&gt; tcpdump e1 expression icmp\n</code></pre> <p>Listen to traffic on a given port:</p> <pre><code>admin@example:/&gt; tcpdump e1 expression \"port 80\"\n</code></pre> <p>Wait for one ping only:</p> <pre><code>admin@example:/&gt; tcpdump e1 count 1 expression icmp\n</code></pre> <p>Very verbose output:</p> <pre><code>admin@example:/&gt; tcpdump e1 verbose\n</code></pre>"},{"location":"cli/text-editor/","title":"Text Editor","text":""},{"location":"cli/text-editor/#text-editor","title":"Text Editor","text":"<p>The CLI built-in <code>text-editor</code> command can be used to edit type <code>binary</code> settings in configure context.</p> <p>The default editor is a Micro Emacs clone.  Users not familiar with terminal based editors may benefit from this introduction.</p>"},{"location":"cli/text-editor/#escape-metaalt-control-shift","title":"Escape Meta/Alt Control Shift","text":"<p>When starting up, the editor status field at the bottom shows the following shorthand:</p> <pre><code>C-h q  quick help | C-h t  tutorial | C-h b  key bindings | C = Ctrl | M = Alt\n</code></pre> <p>Key combinations with a <code>-</code> (dash) mean holding down the modifier key. Combinations without a <code>-</code> (dash) mean without any modifier key.</p>"},{"location":"cli/text-editor/#quick-help-c-h-q","title":"Quick help <code>C-h q</code>","text":"<ul> <li>hold down the <code>Ctrl</code> key on</li> <li>tap the <code>h</code> key</li> <li>release <code>Ctrl</code></li> <li>tap the <code>q</code> key</li> </ul> <p>The bottom part of the terminal now shows a \"buffer\" called <code>*quick*</code>:</p> <pre><code>FILE              BUFFER           WINDOW            MARK/KILL        MISC\nC-x C-c exit      C-x b   switch   C-x 0 only other  C-space mark     C-_ undo\nC-x C-f find      C-x k   close    C-x 1 only this   C-w     kill-rg  C-s search\nC-x C-s save      C-x C-b list     C-x 2 split two   C-k     kill-ln  C-r r-search\nC-x s   save-all  C-x h   mark     C-x ^ enlarge     C-y     yank     M-% replace\nC-x i   insert    C-x g   goto-ln  C-x o other win   C-x C-x swap     M-q reformat\n</code></pre>"},{"location":"cli/text-editor/#save-exit-c-x-c-c","title":"Save &amp; Exit <code>C-x C-c</code>","text":"<ul> <li>Hold down the Ctrl key</li> <li>tap <code>X</code></li> <li>tap <code>c</code></li> <li>release <code>Ctrl</code></li> </ul> <p>The status field at the bottom asks if you are really sure, and/or if you want to add a final Enter/newline to the file.  For binary content that final newline may be important.</p>"},{"location":"cli/text-editor/#changing-the-editor","title":"Changing the Editor","text":"<p>The system has three different built-in editors: </p> <ul> <li><code>emacs</code> (Micro Emacs)</li> <li><code>nano</code> (GNU Nano)</li> <li><code>vi</code> (Visual Editor)</li> </ul> <p>Changing editor is done in configure context, in the system container:</p> <pre><code>admin@host:/&gt; configure\nadmin@host:/config/&gt; edit system\nadmin@host:/config/system/&gt; set text-editor &lt;TAB&gt;\nemacs   nano    vi\nadmin@host:/config/system/&gt; set text-editor nano\nadmin@host:/config/system/&gt; leave\nadmin@host:/&gt;\n</code></pre>"},{"location":"cli/upgrade/","title":"Upgrading","text":""},{"location":"cli/upgrade/#upgrading-the-system","title":"Upgrading the System","text":"<p>The admin-exec command <code>upgrade</code> can be used to install software images, or bundles.  A bundle is a signed and self-contained package that carries all the information necessary to determine if it holds a bootloader, a Linux image, or even both.</p> <p>To install a new software image to the currently inactive partition<sup>1</sup>, we use the <code>upgrade</code> command and a URI to a ftp/tftp/sftp or http/https server that hosts the file:</p> <pre><code>admin@host:/&gt; upgrade tftp://192.168.122.1/firmware-x86_64-v23.11.pkg\ninstalling\n  0% Installing\n  0% Determining slot states\n 20% Determining slot states done.\n 20% Checking bundle\n 20% Verifying signature\n 40% Verifying signature done.\n 40% Checking bundle done.\n 40% Checking manifest contents\n 60% Checking manifest contents done.\n 60% Determining target install group\n 80% Determining target install group done.\n 80% Updating slots\n 80% Checking slot rootfs.1\n 90% Checking slot rootfs.1 done.\n 90% Copying image to rootfs.1\n 99% Copying image to rootfs.1 done.\n 99% Updating slots done.\n100% Installing done.\nInstalling `tftp://192.168.122.1/firmware-x86_64-v23.11.pkg` succeeded\nadmin@host:/&gt;\n</code></pre> <p>The secondary partition (<code>rootfs.1</code>) has now been upgraded and will be used as the active partition on the next boot.  Leaving the primary partition, with the version we are currently running, intact in case of trouble.</p> <p>See Upgrade &amp; Boot Order for more information on upgrading.</p> <ol> <li> <p>It is not possible to upgrade the partition we booted from.  Thankfully the underlying \"rauc\" subsystem keeps track of this.  Hence, to upgrade both partitions you must reboot to the new version (to verify it works) and then repeat the same command.\u00a0\u21a9</p> </li> </ol>"}]}
\ No newline at end of file
diff --git a/dev/sitemap.xml b/dev/sitemap.xml
index 9fe73e96..51a80f8d 100644
--- a/dev/sitemap.xml
+++ b/dev/sitemap.xml
@@ -2,154 +2,154 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
     <url>
          <loc>https://kernelkit.github.io/infix/dev/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/boot/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/branding/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/container/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/developers-guide/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/dhcp/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/discovery/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/eth-counters/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/firewall/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/hardware/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/license/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/management/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/netboot/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/networking/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/override-package/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/qos/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/scripting-netconf/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/scripting-prod/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/scripting-restconf/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/scripting-sysrepocfg/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/scripting/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/syslog/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/system/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/test-arch/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/testing/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/tunnels/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/upgrade/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/virtual/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/vpd/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/wifi/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/cli/configure/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/cli/introduction/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/cli/keybindings/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/cli/netcalc/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/cli/quick/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/cli/tcpdump/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/cli/text-editor/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
     <url>
          <loc>https://kernelkit.github.io/infix/dev/cli/upgrade/</loc>
-         <lastmod>2025-11-07</lastmod>
+         <lastmod>2025-11-13</lastmod>
     </url>
 </urlset>
\ No newline at end of file
diff --git a/dev/sitemap.xml.gz b/dev/sitemap.xml.gz
index 25793373a82db0fc8f1f5dd03a126337e3226daf..062e7a7b876cc7e5b440fddb86d5111eb2621474 100644
GIT binary patch
delta 103
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JmT{^R001{vFZ2Ka

delta 103
zcmV-t0GR*J1J46XABzYGfHn<j0{?SqbY*Q}a4vXlYyi!d&yJ%o494&C6cu+!JJM+X
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diff --git a/dev/syslog/index.html b/dev/syslog/index.html
index 1d700657..c1e6ad9a 100644
--- a/dev/syslog/index.html
+++ b/dev/syslog/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../upgrade/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
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             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
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     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
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@@ -607,7 +673,11 @@
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           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
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@@ -796,7 +901,11 @@
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             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
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           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -892,10 +1011,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
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+  
 
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             <span class="md-nav__icon md-icon"></span>
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+            
+  
+    System
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+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -919,10 +1047,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
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     </li>
@@ -942,10 +1075,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -965,10 +1103,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -988,10 +1131,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1020,10 +1168,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1033,10 +1186,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
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@@ -1058,7 +1216,9 @@
         <li class="md-nav__item">
   <a href="#log-to-file" class="md-nav__link">
     <span class="md-ellipsis">
-      Log to File
+      
+        Log to File
+      
     </span>
   </a>
   
@@ -1067,7 +1227,9 @@
         <li class="md-nav__item">
   <a href="#log-rotation" class="md-nav__link">
     <span class="md-ellipsis">
-      Log Rotation
+      
+        Log Rotation
+      
     </span>
   </a>
   
@@ -1076,7 +1238,9 @@
         <li class="md-nav__item">
   <a href="#log-format" class="md-nav__link">
     <span class="md-ellipsis">
-      Log Format
+      
+        Log Format
+      
     </span>
   </a>
   
@@ -1085,7 +1249,9 @@
         <li class="md-nav__item">
   <a href="#log-to-remote-server" class="md-nav__link">
     <span class="md-ellipsis">
-      Log to Remote Server
+      
+        Log to Remote Server
+      
     </span>
   </a>
   
@@ -1094,7 +1260,9 @@
         <li class="md-nav__item">
   <a href="#acting-as-a-log-server" class="md-nav__link">
     <span class="md-ellipsis">
-      Acting as a Log Server
+      
+        Acting as a Log Server
+      
     </span>
   </a>
   
@@ -1104,7 +1272,9 @@
           <li class="md-nav__item">
   <a href="#facilities" class="md-nav__link">
     <span class="md-ellipsis">
-      Facilities
+      
+        Facilities
+      
     </span>
   </a>
   
@@ -1136,10 +1306,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
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     </li>
@@ -1189,10 +1364,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
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           </label>
@@ -1200,7 +1380,11 @@
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           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1216,10 +1400,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
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     </li>
@@ -1239,10 +1428,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
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+  
+
     
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+  
 
       </a>
     </li>
@@ -1262,10 +1456,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1285,10 +1484,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1308,10 +1512,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
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+  
+
     
   </span>
   
+  
 
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@@ -1367,10 +1576,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
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+  
 
             <span class="md-nav__icon md-icon"></span>
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+            
+  
+    Developer's Corner
+  
+
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           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1394,10 +1612,15 @@
   
   
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+    
+  
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+  
+
     
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+  
 
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@@ -1417,10 +1640,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
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+  
+
     
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+  
 
       </a>
     </li>
@@ -1440,10 +1668,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1463,10 +1696,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1486,10 +1724,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
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+  
 
       </a>
     </li>
@@ -1509,10 +1752,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
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+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1532,10 +1780,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1555,10 +1808,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
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+  
 
       </a>
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@@ -1585,10 +1843,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
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+  
+
     
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+  
 
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@@ -1624,7 +1887,9 @@
         <li class="md-nav__item">
   <a href="#log-to-file" class="md-nav__link">
     <span class="md-ellipsis">
-      Log to File
+      
+        Log to File
+      
     </span>
   </a>
   
@@ -1633,7 +1898,9 @@
         <li class="md-nav__item">
   <a href="#log-rotation" class="md-nav__link">
     <span class="md-ellipsis">
-      Log Rotation
+      
+        Log Rotation
+      
     </span>
   </a>
   
@@ -1642,7 +1909,9 @@
         <li class="md-nav__item">
   <a href="#log-format" class="md-nav__link">
     <span class="md-ellipsis">
-      Log Format
+      
+        Log Format
+      
     </span>
   </a>
   
@@ -1651,7 +1920,9 @@
         <li class="md-nav__item">
   <a href="#log-to-remote-server" class="md-nav__link">
     <span class="md-ellipsis">
-      Log to Remote Server
+      
+        Log to Remote Server
+      
     </span>
   </a>
   
@@ -1660,7 +1931,9 @@
         <li class="md-nav__item">
   <a href="#acting-as-a-log-server" class="md-nav__link">
     <span class="md-ellipsis">
-      Acting as a Log Server
+      
+        Acting as a Log Server
+      
     </span>
   </a>
   
@@ -1670,7 +1943,9 @@
           <li class="md-nav__item">
   <a href="#facilities" class="md-nav__link">
     <span class="md-ellipsis">
-      Facilities
+      
+        Facilities
+      
     </span>
   </a>
   
@@ -1691,6 +1966,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../boot/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    System
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2042,10 +2366,11 @@ on property, e.g., hostname, is not supported yet.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/system/index.html b/dev/system/index.html
index 530397d5..47f472db 100644
--- a/dev/system/index.html
+++ b/dev/system/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../hardware/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -892,10 +1011,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -903,7 +1027,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -919,10 +1047,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -951,10 +1084,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -964,10 +1102,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -989,7 +1132,9 @@
         <li class="md-nav__item">
   <a href="#changing-password" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing Password
+      
+        Changing Password
+      
     </span>
   </a>
   
@@ -999,7 +1144,9 @@
           <li class="md-nav__item">
   <a href="#ssh-authorized-key" class="md-nav__link">
     <span class="md-ellipsis">
-      SSH Authorized Key
+      
+        SSH Authorized Key
+      
     </span>
   </a>
   
@@ -1013,7 +1160,9 @@
         <li class="md-nav__item">
   <a href="#multiple-users" class="md-nav__link">
     <span class="md-ellipsis">
-      Multiple Users
+      
+        Multiple Users
+      
     </span>
   </a>
   
@@ -1023,7 +1172,9 @@
           <li class="md-nav__item">
   <a href="#adding-a-user" class="md-nav__link">
     <span class="md-ellipsis">
-      Adding a User
+      
+        Adding a User
+      
     </span>
   </a>
   
@@ -1032,7 +1183,9 @@
           <li class="md-nav__item">
   <a href="#adding-a-user-to-the-admin-group" class="md-nav__link">
     <span class="md-ellipsis">
-      Adding a User to the Admin Group
+      
+        Adding a User to the Admin Group
+      
     </span>
   </a>
   
@@ -1041,7 +1194,9 @@
           <li class="md-nav__item">
   <a href="#security-aspects" class="md-nav__link">
     <span class="md-ellipsis">
-      Security Aspects
+      
+        Security Aspects
+      
     </span>
   </a>
   
@@ -1055,7 +1210,9 @@
         <li class="md-nav__item">
   <a href="#changing-hostname" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing Hostname
+      
+        Changing Hostname
+      
     </span>
   </a>
   
@@ -1064,7 +1221,9 @@
         <li class="md-nav__item">
   <a href="#changing-login-banner" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing Login Banner
+      
+        Changing Login Banner
+      
     </span>
   </a>
   
@@ -1073,7 +1232,9 @@
         <li class="md-nav__item">
   <a href="#changing-the-editor" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing the Editor
+      
+        Changing the Editor
+      
     </span>
   </a>
   
@@ -1082,7 +1243,9 @@
         <li class="md-nav__item">
   <a href="#dns-resolver-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      DNS Resolver Configuration
+      
+        DNS Resolver Configuration
+      
     </span>
   </a>
   
@@ -1091,7 +1254,9 @@
         <li class="md-nav__item">
   <a href="#ntp-client-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      NTP Client Configuration
+      
+        NTP Client Configuration
+      
     </span>
   </a>
   
@@ -1101,7 +1266,9 @@
           <li class="md-nav__item">
   <a href="#show-ntp-sources" class="md-nav__link">
     <span class="md-ellipsis">
-      Show NTP Sources
+      
+        Show NTP Sources
+      
     </span>
   </a>
   
@@ -1110,7 +1277,9 @@
           <li class="md-nav__item">
   <a href="#show-ntp-status" class="md-nav__link">
     <span class="md-ellipsis">
-      Show NTP Status
+      
+        Show NTP Status
+      
     </span>
   </a>
   
@@ -1142,10 +1311,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1165,10 +1339,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1188,10 +1367,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1211,10 +1395,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1264,10 +1453,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1275,7 +1469,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1291,10 +1489,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1314,10 +1517,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1337,10 +1545,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1360,10 +1573,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1383,10 +1601,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1442,10 +1665,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1453,7 +1681,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1469,10 +1701,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1492,10 +1729,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1515,10 +1757,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1538,10 +1785,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1561,10 +1813,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1584,10 +1841,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1607,10 +1869,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1630,10 +1897,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1660,10 +1932,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1699,7 +1976,9 @@
         <li class="md-nav__item">
   <a href="#changing-password" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing Password
+      
+        Changing Password
+      
     </span>
   </a>
   
@@ -1709,7 +1988,9 @@
           <li class="md-nav__item">
   <a href="#ssh-authorized-key" class="md-nav__link">
     <span class="md-ellipsis">
-      SSH Authorized Key
+      
+        SSH Authorized Key
+      
     </span>
   </a>
   
@@ -1723,7 +2004,9 @@
         <li class="md-nav__item">
   <a href="#multiple-users" class="md-nav__link">
     <span class="md-ellipsis">
-      Multiple Users
+      
+        Multiple Users
+      
     </span>
   </a>
   
@@ -1733,7 +2016,9 @@
           <li class="md-nav__item">
   <a href="#adding-a-user" class="md-nav__link">
     <span class="md-ellipsis">
-      Adding a User
+      
+        Adding a User
+      
     </span>
   </a>
   
@@ -1742,7 +2027,9 @@
           <li class="md-nav__item">
   <a href="#adding-a-user-to-the-admin-group" class="md-nav__link">
     <span class="md-ellipsis">
-      Adding a User to the Admin Group
+      
+        Adding a User to the Admin Group
+      
     </span>
   </a>
   
@@ -1751,7 +2038,9 @@
           <li class="md-nav__item">
   <a href="#security-aspects" class="md-nav__link">
     <span class="md-ellipsis">
-      Security Aspects
+      
+        Security Aspects
+      
     </span>
   </a>
   
@@ -1765,7 +2054,9 @@
         <li class="md-nav__item">
   <a href="#changing-hostname" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing Hostname
+      
+        Changing Hostname
+      
     </span>
   </a>
   
@@ -1774,7 +2065,9 @@
         <li class="md-nav__item">
   <a href="#changing-login-banner" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing Login Banner
+      
+        Changing Login Banner
+      
     </span>
   </a>
   
@@ -1783,7 +2076,9 @@
         <li class="md-nav__item">
   <a href="#changing-the-editor" class="md-nav__link">
     <span class="md-ellipsis">
-      Changing the Editor
+      
+        Changing the Editor
+      
     </span>
   </a>
   
@@ -1792,7 +2087,9 @@
         <li class="md-nav__item">
   <a href="#dns-resolver-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      DNS Resolver Configuration
+      
+        DNS Resolver Configuration
+      
     </span>
   </a>
   
@@ -1801,7 +2098,9 @@
         <li class="md-nav__item">
   <a href="#ntp-client-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      NTP Client Configuration
+      
+        NTP Client Configuration
+      
     </span>
   </a>
   
@@ -1811,7 +2110,9 @@
           <li class="md-nav__item">
   <a href="#show-ntp-sources" class="md-nav__link">
     <span class="md-ellipsis">
-      Show NTP Sources
+      
+        Show NTP Sources
+      
     </span>
   </a>
   
@@ -1820,7 +2121,9 @@
           <li class="md-nav__item">
   <a href="#show-ntp-status" class="md-nav__link">
     <span class="md-ellipsis">
-      Show NTP Status
+      
+        Show NTP Status
+      
     </span>
   </a>
   
@@ -1841,6 +2144,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../boot/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    System
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2156,10 +2508,11 @@ output shown here is best explained in the <a href="https://chrony-project.org/d
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/test-arch/index.html b/dev/test-arch/index.html
index d1b376ba..8b4169cd 100644
--- a/dev/test-arch/index.html
+++ b/dev/test-arch/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../virtual/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1085,10 +1243,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1096,7 +1259,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1112,10 +1279,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1135,10 +1307,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1158,10 +1335,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1181,10 +1363,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1204,10 +1391,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1265,10 +1457,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1276,7 +1473,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1292,10 +1493,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1315,10 +1521,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1338,10 +1549,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1361,10 +1577,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1384,10 +1605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1416,10 +1642,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1429,10 +1660,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1454,7 +1690,9 @@
         <li class="md-nav__item">
   <a href="#tenets" class="md-nav__link">
     <span class="md-ellipsis">
-      Tenets
+      
+        Tenets
+      
     </span>
   </a>
   
@@ -1463,7 +1701,9 @@
         <li class="md-nav__item">
   <a href="#overview" class="md-nav__link">
     <span class="md-ellipsis">
-      Overview
+      
+        Overview
+      
     </span>
   </a>
   
@@ -1473,7 +1713,9 @@
           <li class="md-nav__item">
   <a href="#test-cases" class="md-nav__link">
     <span class="md-ellipsis">
-      Test Cases
+      
+        Test Cases
+      
     </span>
   </a>
   
@@ -1482,7 +1724,9 @@
           <li class="md-nav__item">
   <a href="#infamy" class="md-nav__link">
     <span class="md-ellipsis">
-      Infamy
+      
+        Infamy
+      
     </span>
   </a>
   
@@ -1491,7 +1735,9 @@
           <li class="md-nav__item">
   <a href="#9pm" class="md-nav__link">
     <span class="md-ellipsis">
-      9PM
+      
+        9PM
+      
     </span>
   </a>
   
@@ -1500,7 +1746,9 @@
           <li class="md-nav__item">
   <a href="#testenv" class="md-nav__link">
     <span class="md-ellipsis">
-      /test/env
+      
+        /test/env
+      
     </span>
   </a>
   
@@ -1514,7 +1762,9 @@
         <li class="md-nav__item">
   <a href="#physical-and-logical-topologies" class="md-nav__link">
     <span class="md-ellipsis">
-      Physical and Logical Topologies
+      
+        Physical and Logical Topologies
+      
     </span>
   </a>
   
@@ -1523,7 +1773,9 @@
         <li class="md-nav__item">
   <a href="#integration-to-infix" class="md-nav__link">
     <span class="md-ellipsis">
-      Integration to Infix
+      
+        Integration to Infix
+      
     </span>
   </a>
   
@@ -1550,10 +1802,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1573,10 +1830,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1603,10 +1865,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1642,7 +1909,9 @@
         <li class="md-nav__item">
   <a href="#tenets" class="md-nav__link">
     <span class="md-ellipsis">
-      Tenets
+      
+        Tenets
+      
     </span>
   </a>
   
@@ -1651,7 +1920,9 @@
         <li class="md-nav__item">
   <a href="#overview" class="md-nav__link">
     <span class="md-ellipsis">
-      Overview
+      
+        Overview
+      
     </span>
   </a>
   
@@ -1661,7 +1932,9 @@
           <li class="md-nav__item">
   <a href="#test-cases" class="md-nav__link">
     <span class="md-ellipsis">
-      Test Cases
+      
+        Test Cases
+      
     </span>
   </a>
   
@@ -1670,7 +1943,9 @@
           <li class="md-nav__item">
   <a href="#infamy" class="md-nav__link">
     <span class="md-ellipsis">
-      Infamy
+      
+        Infamy
+      
     </span>
   </a>
   
@@ -1679,7 +1954,9 @@
           <li class="md-nav__item">
   <a href="#9pm" class="md-nav__link">
     <span class="md-ellipsis">
-      9PM
+      
+        9PM
+      
     </span>
   </a>
   
@@ -1688,7 +1965,9 @@
           <li class="md-nav__item">
   <a href="#testenv" class="md-nav__link">
     <span class="md-ellipsis">
-      /test/env
+      
+        /test/env
+      
     </span>
   </a>
   
@@ -1702,7 +1981,9 @@
         <li class="md-nav__item">
   <a href="#physical-and-logical-topologies" class="md-nav__link">
     <span class="md-ellipsis">
-      Physical and Logical Topologies
+      
+        Physical and Logical Topologies
+      
     </span>
   </a>
   
@@ -1711,7 +1992,9 @@
         <li class="md-nav__item">
   <a href="#integration-to-infix" class="md-nav__link">
     <span class="md-ellipsis">
-      Integration to Infix
+      
+        Integration to Infix
+      
     </span>
   </a>
   
@@ -1727,6 +2010,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../branding/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Developer's Corner
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2014,10 +2346,11 @@ systems where the factory configuration may potentially create L2 loops. </p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/testing/index.html b/dev/testing/index.html
index 3a719c5a..60f63970 100644
--- a/dev/testing/index.html
+++ b/dev/testing/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../test-arch/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
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             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1085,10 +1243,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1096,7 +1259,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1112,10 +1279,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1135,10 +1307,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1158,10 +1335,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1181,10 +1363,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1204,10 +1391,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1265,10 +1457,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1276,7 +1473,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1292,10 +1493,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1315,10 +1521,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1338,10 +1549,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1361,10 +1577,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1393,10 +1614,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1406,10 +1632,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1431,7 +1662,9 @@
         <li class="md-nav__item">
   <a href="#modes-of-testing" class="md-nav__link">
     <span class="md-ellipsis">
-      Modes of Testing
+      
+        Modes of Testing
+      
     </span>
   </a>
   
@@ -1441,7 +1674,9 @@
           <li class="md-nav__item">
   <a href="#virtual-devices" class="md-nav__link">
     <span class="md-ellipsis">
-      Virtual Devices
+      
+        Virtual Devices
+      
     </span>
   </a>
   
@@ -1450,7 +1685,9 @@
           <li class="md-nav__item">
   <a href="#physical-devices" class="md-nav__link">
     <span class="md-ellipsis">
-      Physical Devices
+      
+        Physical Devices
+      
     </span>
   </a>
   
@@ -1459,7 +1696,9 @@
           <li class="md-nav__item">
   <a href="#make-run-devices" class="md-nav__link">
     <span class="md-ellipsis">
-      make run Devices
+      
+        make run Devices
+      
     </span>
   </a>
   
@@ -1473,7 +1712,9 @@
         <li class="md-nav__item">
   <a href="#interactive-usage" class="md-nav__link">
     <span class="md-ellipsis">
-      Interactive Usage
+      
+        Interactive Usage
+      
     </span>
   </a>
   
@@ -1483,7 +1724,9 @@
           <li class="md-nav__item">
   <a href="#running-subsets-of-tests" class="md-nav__link">
     <span class="md-ellipsis">
-      Running Subsets of Tests
+      
+        Running Subsets of Tests
+      
     </span>
   </a>
   
@@ -1492,7 +1735,9 @@
           <li class="md-nav__item">
   <a href="#connecting-to-infamy" class="md-nav__link">
     <span class="md-ellipsis">
-      Connecting to Infamy
+      
+        Connecting to Infamy
+      
     </span>
   </a>
   
@@ -1501,7 +1746,9 @@
           <li class="md-nav__item">
   <a href="#connecting-to-a-dut" class="md-nav__link">
     <span class="md-ellipsis">
-      Connecting to a DUT
+      
+        Connecting to a DUT
+      
     </span>
   </a>
   
@@ -1510,7 +1757,9 @@
           <li class="md-nav__item">
   <a href="#attaching-to-macvlans" class="md-nav__link">
     <span class="md-ellipsis">
-      Attaching to MACVLANs
+      
+        Attaching to MACVLANs
+      
     </span>
   </a>
   
@@ -1519,7 +1768,9 @@
           <li class="md-nav__item">
   <a href="#using-the-python-debugger" class="md-nav__link">
     <span class="md-ellipsis">
-      Using the Python Debugger
+      
+        Using the Python Debugger
+      
     </span>
   </a>
   
@@ -1528,7 +1779,9 @@
           <li class="md-nav__item">
   <a href="#deterministic-topology-mappings" class="md-nav__link">
     <span class="md-ellipsis">
-      Deterministic Topology Mappings
+      
+        Deterministic Topology Mappings
+      
     </span>
   </a>
   
@@ -1537,7 +1790,9 @@
           <li class="md-nav__item">
   <a href="#deterministic-transport-protocol" class="md-nav__link">
     <span class="md-ellipsis">
-      Deterministic Transport Protocol
+      
+        Deterministic Transport Protocol
+      
     </span>
   </a>
   
@@ -1546,7 +1801,9 @@
           <li class="md-nav__item">
   <a href="#test-specification" class="md-nav__link">
     <span class="md-ellipsis">
-      Test specification
+      
+        Test specification
+      
     </span>
   </a>
   
@@ -1555,7 +1812,9 @@
           <li class="md-nav__item">
   <a href="#test-development" class="md-nav__link">
     <span class="md-ellipsis">
-      Test Development
+      
+        Test Development
+      
     </span>
   </a>
   
@@ -1587,10 +1846,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1610,10 +1874,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1633,10 +1902,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1663,10 +1937,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1702,7 +1981,9 @@
         <li class="md-nav__item">
   <a href="#modes-of-testing" class="md-nav__link">
     <span class="md-ellipsis">
-      Modes of Testing
+      
+        Modes of Testing
+      
     </span>
   </a>
   
@@ -1712,7 +1993,9 @@
           <li class="md-nav__item">
   <a href="#virtual-devices" class="md-nav__link">
     <span class="md-ellipsis">
-      Virtual Devices
+      
+        Virtual Devices
+      
     </span>
   </a>
   
@@ -1721,7 +2004,9 @@
           <li class="md-nav__item">
   <a href="#physical-devices" class="md-nav__link">
     <span class="md-ellipsis">
-      Physical Devices
+      
+        Physical Devices
+      
     </span>
   </a>
   
@@ -1730,7 +2015,9 @@
           <li class="md-nav__item">
   <a href="#make-run-devices" class="md-nav__link">
     <span class="md-ellipsis">
-      make run Devices
+      
+        make run Devices
+      
     </span>
   </a>
   
@@ -1744,7 +2031,9 @@
         <li class="md-nav__item">
   <a href="#interactive-usage" class="md-nav__link">
     <span class="md-ellipsis">
-      Interactive Usage
+      
+        Interactive Usage
+      
     </span>
   </a>
   
@@ -1754,7 +2043,9 @@
           <li class="md-nav__item">
   <a href="#running-subsets-of-tests" class="md-nav__link">
     <span class="md-ellipsis">
-      Running Subsets of Tests
+      
+        Running Subsets of Tests
+      
     </span>
   </a>
   
@@ -1763,7 +2054,9 @@
           <li class="md-nav__item">
   <a href="#connecting-to-infamy" class="md-nav__link">
     <span class="md-ellipsis">
-      Connecting to Infamy
+      
+        Connecting to Infamy
+      
     </span>
   </a>
   
@@ -1772,7 +2065,9 @@
           <li class="md-nav__item">
   <a href="#connecting-to-a-dut" class="md-nav__link">
     <span class="md-ellipsis">
-      Connecting to a DUT
+      
+        Connecting to a DUT
+      
     </span>
   </a>
   
@@ -1781,7 +2076,9 @@
           <li class="md-nav__item">
   <a href="#attaching-to-macvlans" class="md-nav__link">
     <span class="md-ellipsis">
-      Attaching to MACVLANs
+      
+        Attaching to MACVLANs
+      
     </span>
   </a>
   
@@ -1790,7 +2087,9 @@
           <li class="md-nav__item">
   <a href="#using-the-python-debugger" class="md-nav__link">
     <span class="md-ellipsis">
-      Using the Python Debugger
+      
+        Using the Python Debugger
+      
     </span>
   </a>
   
@@ -1799,7 +2098,9 @@
           <li class="md-nav__item">
   <a href="#deterministic-topology-mappings" class="md-nav__link">
     <span class="md-ellipsis">
-      Deterministic Topology Mappings
+      
+        Deterministic Topology Mappings
+      
     </span>
   </a>
   
@@ -1808,7 +2109,9 @@
           <li class="md-nav__item">
   <a href="#deterministic-transport-protocol" class="md-nav__link">
     <span class="md-ellipsis">
-      Deterministic Transport Protocol
+      
+        Deterministic Transport Protocol
+      
     </span>
   </a>
   
@@ -1817,7 +2120,9 @@
           <li class="md-nav__item">
   <a href="#test-specification" class="md-nav__link">
     <span class="md-ellipsis">
-      Test specification
+      
+        Test specification
+      
     </span>
   </a>
   
@@ -1826,7 +2131,9 @@
           <li class="md-nav__item">
   <a href="#test-development" class="md-nav__link">
     <span class="md-ellipsis">
-      Test Development
+      
+        Test Development
+      
     </span>
   </a>
   
@@ -1847,6 +2154,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../branding/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Developer's Corner
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2191,10 +2547,11 @@ specification generation:</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/tunnels/index.html b/dev/tunnels/index.html
index 1cb1c444..6ec39494 100644
--- a/dev/tunnels/index.html
+++ b/dev/tunnels/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../wifi/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -598,10 +659,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -609,7 +675,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -625,10 +695,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -648,10 +723,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -671,10 +751,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -694,10 +779,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -726,10 +816,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -739,10 +834,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -764,7 +864,9 @@
         <li class="md-nav__item">
   <a href="#generic-routing-encapsulation-gre" class="md-nav__link">
     <span class="md-ellipsis">
-      Generic Routing Encapsulation (GRE)
+      
+        Generic Routing Encapsulation (GRE)
+      
     </span>
   </a>
   
@@ -774,7 +876,9 @@
           <li class="md-nav__item">
   <a href="#basic-gre-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Basic GRE Configuration
+      
+        Basic GRE Configuration
+      
     </span>
   </a>
   
@@ -783,7 +887,9 @@
           <li class="md-nav__item">
   <a href="#gretap-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      GRETAP Configuration
+      
+        GRETAP Configuration
+      
     </span>
   </a>
   
@@ -792,7 +898,9 @@
           <li class="md-nav__item">
   <a href="#ospf-over-gre" class="md-nav__link">
     <span class="md-ellipsis">
-      OSPF over GRE
+      
+        OSPF over GRE
+      
     </span>
   </a>
   
@@ -801,7 +909,9 @@
           <li class="md-nav__item">
   <a href="#advanced-tunnel-settings" class="md-nav__link">
     <span class="md-ellipsis">
-      Advanced Tunnel Settings
+      
+        Advanced Tunnel Settings
+      
     </span>
   </a>
   
@@ -811,7 +921,9 @@
           <li class="md-nav__item">
   <a href="#time-to-live-ttl" class="md-nav__link">
     <span class="md-ellipsis">
-      Time To Live (TTL)
+      
+        Time To Live (TTL)
+      
     </span>
   </a>
   
@@ -820,7 +932,9 @@
           <li class="md-nav__item">
   <a href="#type-of-service-tos" class="md-nav__link">
     <span class="md-ellipsis">
-      Type of Service (ToS)
+      
+        Type of Service (ToS)
+      
     </span>
   </a>
   
@@ -829,7 +943,9 @@
           <li class="md-nav__item">
   <a href="#path-mtu-discovery-gre-only" class="md-nav__link">
     <span class="md-ellipsis">
-      Path MTU Discovery (GRE only)
+      
+        Path MTU Discovery (GRE only)
+      
     </span>
   </a>
   
@@ -848,7 +964,9 @@
         <li class="md-nav__item">
   <a href="#virtual-extensible-local-area-network-vxlan" class="md-nav__link">
     <span class="md-ellipsis">
-      Virtual eXtensible Local Area Network (VXLAN)
+      
+        Virtual eXtensible Local Area Network (VXLAN)
+      
     </span>
   </a>
   
@@ -858,7 +976,9 @@
           <li class="md-nav__item">
   <a href="#basic-vxlan-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Basic VXLAN Configuration
+      
+        Basic VXLAN Configuration
+      
     </span>
   </a>
   
@@ -867,7 +987,9 @@
           <li class="md-nav__item">
   <a href="#vxlan-with-custom-udp-port" class="md-nav__link">
     <span class="md-ellipsis">
-      VXLAN with Custom UDP Port
+      
+        VXLAN with Custom UDP Port
+      
     </span>
   </a>
   
@@ -899,10 +1021,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -946,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -957,7 +1089,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -973,10 +1109,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -996,10 +1137,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1051,10 +1197,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1062,7 +1213,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1078,10 +1233,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1101,10 +1261,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1124,10 +1289,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1147,10 +1317,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1170,10 +1345,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1193,10 +1373,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1246,10 +1431,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1257,7 +1447,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1273,10 +1467,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1296,10 +1495,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1319,10 +1523,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1342,10 +1551,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1365,10 +1579,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1424,10 +1643,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1435,7 +1659,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1451,10 +1679,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1474,10 +1707,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1497,10 +1735,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1520,10 +1763,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1543,10 +1791,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1566,10 +1819,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1589,10 +1847,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1612,10 +1875,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1642,10 +1910,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1681,7 +1954,9 @@
         <li class="md-nav__item">
   <a href="#generic-routing-encapsulation-gre" class="md-nav__link">
     <span class="md-ellipsis">
-      Generic Routing Encapsulation (GRE)
+      
+        Generic Routing Encapsulation (GRE)
+      
     </span>
   </a>
   
@@ -1691,7 +1966,9 @@
           <li class="md-nav__item">
   <a href="#basic-gre-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Basic GRE Configuration
+      
+        Basic GRE Configuration
+      
     </span>
   </a>
   
@@ -1700,7 +1977,9 @@
           <li class="md-nav__item">
   <a href="#gretap-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      GRETAP Configuration
+      
+        GRETAP Configuration
+      
     </span>
   </a>
   
@@ -1709,7 +1988,9 @@
           <li class="md-nav__item">
   <a href="#ospf-over-gre" class="md-nav__link">
     <span class="md-ellipsis">
-      OSPF over GRE
+      
+        OSPF over GRE
+      
     </span>
   </a>
   
@@ -1718,7 +1999,9 @@
           <li class="md-nav__item">
   <a href="#advanced-tunnel-settings" class="md-nav__link">
     <span class="md-ellipsis">
-      Advanced Tunnel Settings
+      
+        Advanced Tunnel Settings
+      
     </span>
   </a>
   
@@ -1728,7 +2011,9 @@
           <li class="md-nav__item">
   <a href="#time-to-live-ttl" class="md-nav__link">
     <span class="md-ellipsis">
-      Time To Live (TTL)
+      
+        Time To Live (TTL)
+      
     </span>
   </a>
   
@@ -1737,7 +2022,9 @@
           <li class="md-nav__item">
   <a href="#type-of-service-tos" class="md-nav__link">
     <span class="md-ellipsis">
-      Type of Service (ToS)
+      
+        Type of Service (ToS)
+      
     </span>
   </a>
   
@@ -1746,7 +2033,9 @@
           <li class="md-nav__item">
   <a href="#path-mtu-discovery-gre-only" class="md-nav__link">
     <span class="md-ellipsis">
-      Path MTU Discovery (GRE only)
+      
+        Path MTU Discovery (GRE only)
+      
     </span>
   </a>
   
@@ -1765,7 +2054,9 @@
         <li class="md-nav__item">
   <a href="#virtual-extensible-local-area-network-vxlan" class="md-nav__link">
     <span class="md-ellipsis">
-      Virtual eXtensible Local Area Network (VXLAN)
+      
+        Virtual eXtensible Local Area Network (VXLAN)
+      
     </span>
   </a>
   
@@ -1775,7 +2066,9 @@
           <li class="md-nav__item">
   <a href="#basic-vxlan-configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Basic VXLAN Configuration
+      
+        Basic VXLAN Configuration
+      
     </span>
   </a>
   
@@ -1784,7 +2077,9 @@
           <li class="md-nav__item">
   <a href="#vxlan-with-custom-udp-port" class="md-nav__link">
     <span class="md-ellipsis">
-      VXLAN with Custom UDP Port
+      
+        VXLAN with Custom UDP Port
+      
     </span>
   </a>
   
@@ -1805,6 +2100,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../networking/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Networking
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2029,10 +2373,11 @@ the <a href="#advanced-tunnel-settings">Advanced Tunnel Settings</a> section abo
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/upgrade/index.html b/dev/upgrade/index.html
index 0e048e6f..96498b26 100644
--- a/dev/upgrade/index.html
+++ b/dev/upgrade/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../scripting/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -892,10 +1011,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -903,7 +1027,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -919,10 +1047,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -942,10 +1075,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -965,10 +1103,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -988,10 +1131,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1011,10 +1159,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1043,10 +1196,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1056,10 +1214,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1081,7 +1244,9 @@
         <li class="md-nav__item">
   <a href="#upgrading" class="md-nav__link">
     <span class="md-ellipsis">
-      Upgrading
+      
+        Upgrading
+      
     </span>
   </a>
   
@@ -1090,7 +1255,9 @@
         <li class="md-nav__item">
   <a href="#configuration-migration" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuration Migration
+      
+        Configuration Migration
+      
     </span>
   </a>
   
@@ -1099,7 +1266,9 @@
         <li class="md-nav__item">
   <a href="#downgrading" class="md-nav__link">
     <span class="md-ellipsis">
-      Downgrading
+      
+        Downgrading
+      
     </span>
   </a>
   
@@ -1109,7 +1278,9 @@
           <li class="md-nav__item">
   <a href="#with-backup-startup-config" class="md-nav__link">
     <span class="md-ellipsis">
-      With Backup startup-config
+      
+        With Backup startup-config
+      
     </span>
   </a>
   
@@ -1118,7 +1289,9 @@
           <li class="md-nav__item">
   <a href="#without-a-backup-startup-config" class="md-nav__link">
     <span class="md-ellipsis">
-      Without a Backup startup-config
+      
+        Without a Backup startup-config
+      
     </span>
   </a>
   
@@ -1180,10 +1353,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1191,7 +1369,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1207,10 +1389,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1230,10 +1417,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1253,10 +1445,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1276,10 +1473,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1299,10 +1501,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1358,10 +1565,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1369,7 +1581,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1385,10 +1601,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1408,10 +1629,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1431,10 +1657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1454,10 +1685,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1477,10 +1713,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1500,10 +1741,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1523,10 +1769,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1546,10 +1797,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1576,10 +1832,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1615,7 +1876,9 @@
         <li class="md-nav__item">
   <a href="#upgrading" class="md-nav__link">
     <span class="md-ellipsis">
-      Upgrading
+      
+        Upgrading
+      
     </span>
   </a>
   
@@ -1624,7 +1887,9 @@
         <li class="md-nav__item">
   <a href="#configuration-migration" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuration Migration
+      
+        Configuration Migration
+      
     </span>
   </a>
   
@@ -1633,7 +1898,9 @@
         <li class="md-nav__item">
   <a href="#downgrading" class="md-nav__link">
     <span class="md-ellipsis">
-      Downgrading
+      
+        Downgrading
+      
     </span>
   </a>
   
@@ -1643,7 +1910,9 @@
           <li class="md-nav__item">
   <a href="#with-backup-startup-config" class="md-nav__link">
     <span class="md-ellipsis">
-      With Backup startup-config
+      
+        With Backup startup-config
+      
     </span>
   </a>
   
@@ -1652,7 +1921,9 @@
           <li class="md-nav__item">
   <a href="#without-a-backup-startup-config" class="md-nav__link">
     <span class="md-ellipsis">
-      Without a Backup startup-config
+      
+        Without a Backup startup-config
+      
     </span>
   </a>
   
@@ -1673,6 +1944,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../boot/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    System
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -2093,10 +2413,11 @@ connecting via a console port.&nbsp;<a class="footnote-backref" href="#fnref:1"
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/virtual/index.html b/dev/virtual/index.html
index 04832a1f..c19a3dd6 100644
--- a/dev/virtual/index.html
+++ b/dev/virtual/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../vpd/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1085,10 +1243,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1096,7 +1259,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1112,10 +1279,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1135,10 +1307,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1158,10 +1335,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1181,10 +1363,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1204,10 +1391,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1265,10 +1457,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1276,7 +1473,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1292,10 +1493,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1315,10 +1521,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1338,10 +1549,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1361,10 +1577,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1384,10 +1605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1407,10 +1633,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1439,10 +1670,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1452,10 +1688,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1477,7 +1718,9 @@
         <li class="md-nav__item">
   <a href="#qemu" class="md-nav__link">
     <span class="md-ellipsis">
-      QEMU
+      
+        QEMU
+      
     </span>
   </a>
   
@@ -1486,7 +1729,9 @@
         <li class="md-nav__item">
   <a href="#gns3" class="md-nav__link">
     <span class="md-ellipsis">
-      GNS3
+      
+        GNS3
+      
     </span>
   </a>
   
@@ -1513,10 +1758,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1543,10 +1793,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1582,7 +1837,9 @@
         <li class="md-nav__item">
   <a href="#qemu" class="md-nav__link">
     <span class="md-ellipsis">
-      QEMU
+      
+        QEMU
+      
     </span>
   </a>
   
@@ -1591,7 +1848,9 @@
         <li class="md-nav__item">
   <a href="#gns3" class="md-nav__link">
     <span class="md-ellipsis">
-      GNS3
+      
+        GNS3
+      
     </span>
   </a>
   
@@ -1607,6 +1866,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../branding/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Developer's Corner
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1704,10 +2012,11 @@ by default for use as switch ports or routing.</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/vpd/index.html b/dev/vpd/index.html
index c9098ee4..fd717f5c 100644
--- a/dev/vpd/index.html
+++ b/dev/vpd/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../license/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -596,10 +657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -607,7 +673,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -623,10 +693,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -646,10 +721,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -669,10 +749,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -692,10 +777,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -715,10 +805,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -738,10 +833,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -785,10 +885,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -796,7 +901,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -812,10 +921,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -835,10 +949,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -890,10 +1009,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -901,7 +1025,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -917,10 +1045,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -940,10 +1073,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -963,10 +1101,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -986,10 +1129,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1009,10 +1157,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1032,10 +1185,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1085,10 +1243,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1096,7 +1259,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1112,10 +1279,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1135,10 +1307,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1158,10 +1335,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1181,10 +1363,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1204,10 +1391,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1265,10 +1457,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1276,7 +1473,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1292,10 +1493,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1315,10 +1521,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1338,10 +1549,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1361,10 +1577,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1384,10 +1605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1407,10 +1633,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1430,10 +1661,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1462,10 +1698,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -1475,10 +1716,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -1500,7 +1746,9 @@
         <li class="md-nav__item">
   <a href="#json-encoding" class="md-nav__link">
     <span class="md-ellipsis">
-      JSON Encoding
+      
+        JSON Encoding
+      
     </span>
   </a>
   
@@ -1510,7 +1758,9 @@
           <li class="md-nav__item">
   <a href="#vendor-extensions" class="md-nav__link">
     <span class="md-ellipsis">
-      Vendor Extensions
+      
+        Vendor Extensions
+      
     </span>
   </a>
   
@@ -1519,7 +1769,9 @@
           <li class="md-nav__item">
   <a href="#infix-specific-extensions" class="md-nav__link">
     <span class="md-ellipsis">
-      Infix Specific Extensions
+      
+        Infix Specific Extensions
+      
     </span>
   </a>
   
@@ -1533,7 +1785,9 @@
         <li class="md-nav__item">
   <a href="#creating-and-parsing-onie-eeprom-binaries" class="md-nav__link">
     <span class="md-ellipsis">
-      Creating and Parsing ONIE EEPROM Binaries
+      
+        Creating and Parsing ONIE EEPROM Binaries
+      
     </span>
   </a>
   
@@ -1567,10 +1821,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1606,7 +1865,9 @@
         <li class="md-nav__item">
   <a href="#json-encoding" class="md-nav__link">
     <span class="md-ellipsis">
-      JSON Encoding
+      
+        JSON Encoding
+      
     </span>
   </a>
   
@@ -1616,7 +1877,9 @@
           <li class="md-nav__item">
   <a href="#vendor-extensions" class="md-nav__link">
     <span class="md-ellipsis">
-      Vendor Extensions
+      
+        Vendor Extensions
+      
     </span>
   </a>
   
@@ -1625,7 +1888,9 @@
           <li class="md-nav__item">
   <a href="#infix-specific-extensions" class="md-nav__link">
     <span class="md-ellipsis">
-      Infix Specific Extensions
+      
+        Infix Specific Extensions
+      
     </span>
   </a>
   
@@ -1639,7 +1904,9 @@
         <li class="md-nav__item">
   <a href="#creating-and-parsing-onie-eeprom-binaries" class="md-nav__link">
     <span class="md-ellipsis">
-      Creating and Parsing ONIE EEPROM Binaries
+      
+        Creating and Parsing ONIE EEPROM Binaries
+      
     </span>
   </a>
   
@@ -1655,6 +1922,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../branding/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Developer's Corner
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1951,10 +2267,11 @@ binary in its equivalent JSON representation:</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>
       
     
   
diff --git a/dev/wifi/index.html b/dev/wifi/index.html
index e6fbd3b9..19374b81 100644
--- a/dev/wifi/index.html
+++ b/dev/wifi/index.html
@@ -16,8 +16,11 @@
         <link rel="next" href="../discovery/">
       
       
+        
+      
+      
       <link rel="icon" href="../assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.6.23">
+      <meta name="generator" content="mkdocs-1.6.1, mkdocs-material-9.7.0">
     
     
       
@@ -25,10 +28,10 @@
       
     
     
-      <link rel="stylesheet" href="../assets/stylesheets/main.84d31ad4.min.css">
+      <link rel="stylesheet" href="../assets/stylesheets/main.618322db.min.css">
       
         
-        <link rel="stylesheet" href="../assets/stylesheets/palette.06af60db.min.css">
+        <link rel="stylesheet" href="../assets/stylesheets/palette.ab4e12ef.min.css">
       
       
 
@@ -55,7 +58,6 @@
 
     
     
-    
   <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"><script src="../assets/javascripts/glightbox.min.js"></script><style id="glightbox-style">
             html.glightbox-open { overflow: initial; height: 100%; }
             .gslide-title { margin-top: 0px; user-select: text; }
@@ -280,10 +282,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -331,10 +338,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     CLI
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -342,7 +354,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
-            CLI
+            
+  
+    CLI
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -358,10 +374,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -381,10 +402,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -404,10 +430,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Keybindings
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -427,10 +458,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Calculator
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -450,10 +486,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Monitoring
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -473,10 +514,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quickstart Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -496,10 +542,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Text Editor
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -519,10 +570,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrading
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -549,10 +605,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Docker Containers
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -598,10 +659,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Networking
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -609,7 +675,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
-            Networking
+            
+  
+    Networking
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -625,10 +695,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Network Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -648,10 +723,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Firewall Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -671,10 +751,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Quality of Service
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -694,10 +779,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     RMON Counters
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -717,10 +807,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Tunneling (L2/L3)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -749,10 +844,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
           <span class="md-nav__icon md-icon"></span>
         </label>
@@ -762,10 +862,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Wireless LAN (WiFi)
+  
+
     
   </span>
   
+  
 
       </a>
       
@@ -787,7 +892,9 @@
         <li class="md-nav__item">
   <a href="#current-limitations" class="md-nav__link">
     <span class="md-ellipsis">
-      Current Limitations
+      
+        Current Limitations
+      
     </span>
   </a>
   
@@ -796,7 +903,9 @@
         <li class="md-nav__item">
   <a href="#supported-wi-fi-adapters" class="md-nav__link">
     <span class="md-ellipsis">
-      Supported Wi-Fi Adapters
+      
+        Supported Wi-Fi Adapters
+      
     </span>
   </a>
   
@@ -806,7 +915,9 @@
           <li class="md-nav__item">
   <a href="#known-working-chipsets" class="md-nav__link">
     <span class="md-ellipsis">
-      Known Working Chipsets
+      
+        Known Working Chipsets
+      
     </span>
   </a>
   
@@ -820,7 +931,9 @@
         <li class="md-nav__item">
   <a href="#configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuration
+      
+        Configuration
+      
     </span>
   </a>
   
@@ -829,7 +942,9 @@
         <li class="md-nav__item">
   <a href="#troubleshooting-connection-issues" class="md-nav__link">
     <span class="md-ellipsis">
-      Troubleshooting Connection Issues
+      
+        Troubleshooting Connection Issues
+      
     </span>
   </a>
   
@@ -880,10 +995,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Services
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -891,7 +1011,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
-            Services
+            
+  
+    Services
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -907,10 +1031,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Device Discovery
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -930,10 +1059,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     DHCP Server
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -985,10 +1119,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     System
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -996,7 +1135,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
-            System
+            
+  
+    System
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1012,10 +1155,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Boot Procedure
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1035,10 +1183,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Configuration
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1058,10 +1211,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Hardware Info &amp; Status
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1081,10 +1239,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Management
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1104,10 +1267,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Syslog Support
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1127,10 +1295,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Upgrade
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1180,10 +1353,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Scripting
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1191,7 +1369,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
-            Scripting
+            
+  
+    Scripting
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1207,10 +1389,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Introduction
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1230,10 +1417,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Legacy Scripting
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1253,10 +1445,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Production Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1276,10 +1473,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With NETCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1299,10 +1501,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     With RESTCONF
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1358,10 +1565,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Corner
+  
+
     
   </span>
   
+  
 
             <span class="md-nav__icon md-icon"></span>
           </label>
@@ -1369,7 +1581,11 @@
         <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
-            Developer's Corner
+            
+  
+    Developer's Corner
+  
+
           </label>
           <ul class="md-nav__list" data-md-scrollfix>
             
@@ -1385,10 +1601,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Branding &amp; Releases
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1408,10 +1629,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developer's Guide
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1431,10 +1657,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Developing with Buildroot
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1454,10 +1685,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Netboot HowTo
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1477,10 +1713,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Regression Testing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1500,10 +1741,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Test System Architecture
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1523,10 +1769,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Virtual Environments
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1546,10 +1797,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Vital Product Data (VPD)
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1576,10 +1832,15 @@
   
   
   <span class="md-ellipsis">
+    
+  
     Origin &amp; Licensing
+  
+
     
   </span>
   
+  
 
       </a>
     </li>
@@ -1615,7 +1876,9 @@
         <li class="md-nav__item">
   <a href="#current-limitations" class="md-nav__link">
     <span class="md-ellipsis">
-      Current Limitations
+      
+        Current Limitations
+      
     </span>
   </a>
   
@@ -1624,7 +1887,9 @@
         <li class="md-nav__item">
   <a href="#supported-wi-fi-adapters" class="md-nav__link">
     <span class="md-ellipsis">
-      Supported Wi-Fi Adapters
+      
+        Supported Wi-Fi Adapters
+      
     </span>
   </a>
   
@@ -1634,7 +1899,9 @@
           <li class="md-nav__item">
   <a href="#known-working-chipsets" class="md-nav__link">
     <span class="md-ellipsis">
-      Known Working Chipsets
+      
+        Known Working Chipsets
+      
     </span>
   </a>
   
@@ -1648,7 +1915,9 @@
         <li class="md-nav__item">
   <a href="#configuration" class="md-nav__link">
     <span class="md-ellipsis">
-      Configuration
+      
+        Configuration
+      
     </span>
   </a>
   
@@ -1657,7 +1926,9 @@
         <li class="md-nav__item">
   <a href="#troubleshooting-connection-issues" class="md-nav__link">
     <span class="md-ellipsis">
-      Troubleshooting Connection Issues
+      
+        Troubleshooting Connection Issues
+      
     </span>
   </a>
   
@@ -1673,6 +1944,55 @@
           
           
             <div class="md-content" data-md-component="content">
+              
+                
+
+
+
+  
+
+
+  <nav class="md-path" aria-label="Navigation">
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href=".." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Introduction
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../networking/" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Networking
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
+              
               <article class="md-content__inner md-typeset">
                 
                   
@@ -1707,8 +2027,8 @@ system automatically begins scanning for available networks.</p>
 </div>
 <h2 id="configuration">Configuration<a class="headerlink" href="#configuration" title="Permanent link">¶</a></h2>
 <p>Add a supported Wi-Fi network device. To verify that it has been
-detected, look for <code>wifi0</code> in <code>show interfaces</code></p>
-<p></p><div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a>admin@example:/&gt;  show interfaces
+detected, look for <code>wifi0</code> in <code>show interface</code></p>
+<p></p><div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a>admin@example:/&gt;  show interface
 <a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a>INTERFACE       PROTOCOL   STATE       DATA
 <a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a>lo              loopback   UP
 <a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a>                ipv4                   127.0.0.1/8 (static)
@@ -1726,7 +2046,7 @@ Add the new Wi-Fi interface to the configuration to start scanning.
 Now the system will now start scanning in the background. To
 see the result read the operational datastore for interface <code>wifi0</code> or
 use the CLI<p></p>
-<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a>admin@infix-00-00-00:/&gt; show interfaces name wifi0
+<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a>admin@infix-00-00-00:/&gt; show interface wifi0
 <a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a>name                : wifi0
 <a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a>type                : wifi
 <a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a>index               : 3
@@ -1780,8 +2100,8 @@ valid codes are documented in the YANG model <code>infix-wifi-country-codes</cod
 </code></pre></div>
 <p>The Wi-Fi negotiation should now start immediately, provided that the
 SSID and pre-shared key are correct. You can verify the connection by
-running <code>show interfaces</code> again.</p>
-<div class="highlight"><pre><span></span><code><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a>admin@example:/&gt; show interfaces
+running <code>show interface</code> again.</p>
+<div class="highlight"><pre><span></span><code><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a>admin@example:/&gt; show interface
 <a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a>INTERFACE       PROTOCOL   STATE       DATA
 <a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a>lo              loopback   UP
 <a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a>                ipv4                   127.0.0.1/8 (static)
@@ -1795,7 +2115,7 @@ running <code>show interfaces</code> again.</p>
 <a id="__codelineno-6-12" name="__codelineno-6-12" href="#__codelineno-6-12"></a>admin@example:/&gt;
 </code></pre></div>
 <h2 id="troubleshooting-connection-issues">Troubleshooting Connection Issues<a class="headerlink" href="#troubleshooting-connection-issues" title="Permanent link">¶</a></h2>
-<p>Use <code>show wifi scan wifi0</code> and <code>show interfaces</code> to verify signal strength
+<p>Use <code>show wifi scan wifi0</code> and <code>show interface</code> to verify signal strength
 and connection status. If issues arise, try the following
 troubleshooting steps:</p>
 <ol>
@@ -1803,7 +2123,7 @@ troubleshooting steps:</p>
 <li><strong>Check credentials</strong>: Verify the preshared key in <code>ietf-keystore</code></li>
 <li><strong>Review logs</strong>: Check system logs with <code>show log</code> for Wi-Fi related errors</li>
 <li><strong>Regulatory compliance</strong>: Ensure the country-code matches your location</li>
-<li><strong>Hardware detection</strong>: Confirm the adapter appears in <code>show interfaces</code></li>
+<li><strong>Hardware detection</strong>: Confirm the adapter appears in <code>show interface</code></li>
 </ol>
 <p>If issues persist, check the system log for specific error messages that can help identify the root cause.</p>
 
@@ -1855,10 +2175,11 @@ troubleshooting steps:</p>
     
     
       
-      <script id="__config" type="application/json">{"base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.973d3a69.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
+      
+      <script id="__config" type="application/json">{"annotate": null, "base": "..", "features": ["toc.follow", "navigation.path", "navigation.instant", "navigation.instant.progress", "navigation.tracking", "navigation.indexes", "search.highlight", "search.share", "content.code.copy", "content.code.annotate", "content.footnote.tooltips"], "search": "../assets/javascripts/workers/search.7a47a382.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": {"provider": "mike"}}</script>
     
     
-      <script src="../assets/javascripts/bundle.f55a23d4.min.js"></script>
+      <script src="../assets/javascripts/bundle.e71a0d61.min.js"></script>