From e482fa10970fd6a0c1c0ec836db84ba4187bc8f7 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Thu, 06 Apr 2023 22:06:01 +0000
Subject: [PATCH] fix: graph and tooltip sometimes not showing

---
 layouts/partials/head.html |  231 +++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 196 insertions(+), 35 deletions(-)

diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index a81c9ed..14d7ab4 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -1,43 +1,97 @@
+<!-- set data/config yaml file based on website language -->
+{{ $config := cond (eq $.Site.Language.Lang "en") "config" (printf "config.%s" $.Site.Language.Lang) }}
+{{ $data := index $.Site.Data $config }}
 <head>
   <!-- Meta tags -->
   <meta charset="UTF-8" />
   <meta
     name="description"
-    content="{{if .IsHome}}{{$.Site.Data.config.description}}{{else}}{{.Summary}}{{end}}"
+    content="{{if .IsHome}}{{$data.description | default $.Site.Data.config.description}}{{else}}{{.Summary}}{{end}}"
   />
+  <meta property="og:title" content="{{ .Title }}">
+  <meta property="og:description" content="{{if .IsHome}}{{$data.description | default $.Site.Data.config.description}}{{else}}{{.Summary}}{{end}}">
+  <meta property="og:type" content="website">
+  <meta property="og:image" content="{{.Site.BaseURL}}icon.png">
+  <meta property="og:url" content="{{ .Permalink }}">
+  <meta property="og:width" content="200">
+  <meta property="og:height" content="200">
+  <meta name="twitter:card" content="summary" />
+  <meta name="twitter:title" content="{{ .Title }}" />
+  <meta name="twitter:description" content="{{if .IsHome}}{{$data.description | default $.Site.Data.config.description}}{{else}}{{.Summary}}{{end}}" />
+  <meta name="twitter:image" content="{{.Site.BaseURL}}icon.png">
+  {{ range $data.links }}
+    {{ if strings.Contains .link "twitter.com" }}
+      {{ $twitter_handle := index (split .link "/") (sub (len (split .link "/")) 1) }}
+      <meta name="twitter:site" content="{{ $twitter_handle }}" />
+    {{ end }}
+  {{ end }}
+
   <title>
-    {{ if .Title }}{{ .Title }}{{ else }}{{ $.Site.Data.config.page_title }}{{
+    {{ if .Title }}{{ .Title }}{{ else }}{{ $data.page_title | default $.Site.Data.config.page_title }}{{
     end }}
   </title>
   <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <link
-    rel="shortcut icon"
-    type="image/png"
-    href="{{$.Site.BaseURL}}/icon.png"
-  />
+
+  <!-- HTML Favicon -->
+  {{ $favicon := $data.favicon  | default $.Site.Data.config.favicon | default (slice (dict "rel" "shortcut icon" "type" "image/png" "href" "icon.png")) }}
+  {{ $type := (printf "%T" $favicon) }}
+  {{ if eq $type "string" }}
+  {{ $favicon | safeHTML }}
+  {{ else }}
+  {{ range $favicon }}
+  <link rel="{{.rel}}" {{if .type}}type="{{.type}}"{{end}} {{if .sizes}}sizes="{{.sizes}}"{{end}} href="{{$.Site.BaseURL}}/{{.href}}" />
+  {{- end }}
+  {{ end }}
 
   <!-- CSS Stylesheets and Fonts -->
-  <link
-    href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=Source+Sans+Pro:wght@400;600;700&family=Fira+Code:wght@400;700&display=swap"
-    rel="stylesheet"
-  />
   {{$sass := resources.Match "styles/[!_]*.scss" }}
   {{$css := slice }}
   {{range $sass}}
   {{$scss := . | resources.ToCSS (dict "outputStyle" "compressed") }}
   {{$css = $css | append $scss}}
   {{end}}
+  {{if $data.enableCallouts | default $.Site.Data.config.enableCallouts}}
+    {{$scss := resources.Get "styles/_callouts.scss" | resources.ToCSS (dict "outputStyle" "compressed") }}
+    {{$css = $css | append $scss}}
+  {{end}}
   {{$finalCss := $css | resources.Concat "styles.css" | resources.Fingerprint "md5" | resources.Minify  }}
   <link href="{{$finalCss.Permalink}}" rel="stylesheet" />
 
-  {{ $darkMode := resources.Get "js/darkmode.js" | resources.Fingerprint "md5" |
-  resources.Minify }}
-  <script src="{{$darkMode.Permalink}}"></script>
+  {{$lightSyntax := resources.Get "styles/_light_syntax.scss" | resources.ToCSS (dict "outputStyle" "compressed") | resources.Fingerprint "md5" | resources.Minify  }}
+  <link href="{{$lightSyntax.Permalink}}" rel="stylesheet" id="theme-link">
+
+   <!-- Base scripts -->
+  {{$scripts := (slice "js/darkmode.js" "js/util.js")}}
+  {{range $scripts}}
+  {{$scriptname := .}}
+  {{ $s := resources.Get $scriptname | resources.ExecuteAsTemplate $scriptname . | resources.Fingerprint "md5" | resources.Minify }}
+  <script src="{{$s.Permalink}}"></script>
+  {{end}}
   {{partial "katex.html" .}}
 
+  {{partial "mermaid.html" .}}
+
+  <script src="https://cdn.jsdelivr.net/npm/@floating-ui/core@1.2.1"></script>
+  <script src="https://cdn.jsdelivr.net/npm/@floating-ui/dom@1.2.1"></script>
   {{ $popover := resources.Get "js/popover.js" | resources.Fingerprint "md5" |
   resources.Minify }}
-  <script src="{{$popover.Permalink}}"></script>
+  <script defer src="{{$popover.Permalink}}"></script>
+
+  <!-- Optional scripts -->
+  {{ if $data.enableCodeBlockTitle | default $.Site.Data.config.enableCallouts }}
+  {{ $codeTitle := resources.Get "js/code-title.js" | resources.Fingerprint "md5" | resources.Minify }}
+  <script defer src="{{$codeTitle.Permalink}}"></script>
+  {{end}}
+
+  {{ if $data.enableCodeBlockCopy | default $.Site.Data.config.enableCodeBlockCopy }}
+  {{ $clipboard := resources.Get "js/clipboard.js" | resources.Fingerprint "md5" | resources.Minify }}
+  <script defer src="{{$clipboard.Permalink}}"></script>
+  {{ end }}
+
+  {{ if $data.enableCallouts | default $.Site.Data.config.enableCallouts }}
+  {{ $callouts := resources.Get "js/callouts.js" | resources.Fingerprint "md5" | resources.Minify }}
+  <script defer src="{{$callouts.Permalink}}"></script>
+  {{ end }}
 
   <!--  Preload page vars  -->
   {{$linkIndex := resources.Get "indices/linkIndex.json" | resources.Fingerprint
@@ -45,6 +99,9 @@
   "indices/contentIndex.json" | resources.Fingerprint "md5" | resources.Minify
   }}
   <script>
+    const SEARCH_ENABLED = {{.Site.Data.config.search.enableSemanticSearch}}
+    const LATEX_ENABLED = {{.Site.Data.config.enableLatex}}
+    const PRODUCTION = {{ hugo.IsProduction }}
     const BASE_URL = {{.Site.BaseURL}}
     const fetchData = Promise.all([
           fetch("{{ $linkIndex.Permalink }}")
@@ -61,31 +118,135 @@
           links,
           content,
         }))
+
+      const render = () => {
+      // NOTE: everything within this callback will be executed for every page navigation. This is a good place to put JavaScript that loads or modifies data on the page, adds event listeners, etc. If you are only dealing with basic DOM replacement, use the init function
+
+      const siteBaseURL = new URL(BASE_URL);
+      const pathBase = siteBaseURL.pathname;
+      const pathWindow = window.location.pathname;
+      const isHome = pathBase == pathWindow;
+
+      {{if $data.enableCodeBlockCopy | default $.Site.Data.config.enableCodeBlockCopy -}}
+      addCopyButtons();
+      {{ end }}
+
+      {{if $data.enableSPA | default $.Site.Data.config.enableSPA -}}
+      addTitleToCodeBlocks();
+      {{ end }}
+
+      {{if $data.enableCallouts | default $.Site.Data.config.enableCallouts -}}
+      addCollapsibleCallouts();
+      {{ end }}
+
+      {{if $data.enableLinkPreview | default $.Site.Data.config.enableLinkPreview}}
+      initPopover(
+        {{strings.TrimRight "/" .Site.BaseURL }},
+        {{$data.enableContextualBacklinks | default $.Site.Data.config.enableContextualBacklinks}}
+      )
+      {{end}}
+
+      {{if $data.enableFooter | default $.Site.Data.config.enableFooter}}
+      const footer = document.getElementById("footer")
+      if (footer) {
+        const container = document.getElementById("graph-container")
+        // retry if the graph is not ready
+        if (!container) return requestAnimationFrame(render)
+        // clear the graph in case there is anything within it
+        container.textContent = ""
+
+        const drawGlobal = isHome && {{$.Site.Data.graphConfig.enableGlobalGraph}};
+        drawGraph(
+            {{strings.TrimRight "/" .Site.BaseURL}},
+            drawGlobal,
+            {{$.Site.Data.graphConfig.paths}},
+            drawGlobal ? {{$.Site.Data.graphConfig.globalGraph}} : {{$.Site.Data.graphConfig.localGraph}}
+          );
+
+        }
+      {{end}}
+
+      {{if $data.enableMermaid | default $.Site.Data.config.enableMermaid}}
+        var els = document.getElementsByClassName("mermaid");
+        if (els.length > 0) {
+          import('https://unpkg.com/mermaid@9/dist/mermaid.esm.min.mjs').then(
+            (obj) => {
+              // init forces mermaid to render mermaid markdown without waiting
+              // for DOMContentLoaded event
+              obj.default.init();
+            }
+          )
+        }
+      {{end}}
+      
+      // analytics
+      function clickHandler(evt) {
+        const target = evt.target 
+        const classNames = target.className.split(" ")
+        const broken = classNames.includes("broken")
+        const internal = classNames.includes("internal-link")
+        plausible("Link Click", {
+          props: {
+            href: target.href,
+            broken,
+            internal,
+            graph: false,
+          }
+        })
+      }
+
+      const links = document.querySelectorAll("a")
+      for (link of links) {
+        if (link.className.includes("root-title")) {
+          link.addEventListener('click', clickHandler, {once: true})
+        }
+      }
+    }
+
+    const init = (doc = document) => {
+      // NOTE: everything within this callback will be executed for initial page navigation. This is a good place to put JavaScript that only replaces DOM nodes.
+      {{if $data.enableCodeBlockCopy | default $.Site.Data.config.enableCodeBlockCopy -}}
+      addCopyButtons();
+      {{ end }}
+
+      {{if $data.enableCodeBlockTitle | default $.Site.Data.config.enableCodeBlockTitle -}}
+      addTitleToCodeBlocks();
+      {{- end -}}
+      {{if $data.enableLatex | default $.Site.Data.config.enableLatex}}
+      renderMathInElement(doc.body, {
+        delimiters: [
+          {left: '$$', right: '$$', display: true},
+          {left: '$', right: '$', display: false},
+        ],
+        macros: {
+          '’': "'"
+        },
+        throwOnError : false
+      });
+      {{end}}
+    };
   </script>
-  {{if $.Site.Data.config.enableSPA}}
+  {{if $data.enableSPA | default $.Site.Data.config.enableSPA}}
   {{ $router := resources.Get "js/router.js" | resources.Fingerprint "md5" |
   resources.Minify }}
   <script type="module">
-    import { init } from '{{$router.Permalink}}';
-    // NOTE: everything within this callback will be executed for every page navigation. This is a good place to put JavaScript that loads or modifies data on the page.
-    init(() => {
-      drawGraph(
-        {{strings.TrimRight "/" .Page.Permalink}},
-        {{strings.TrimRight "/" .Site.BaseURL}},
-        {{$.Site.Data.graphConfig.paths}},
-        {{$.Site.Data.graphConfig.depth}},
-        {{$.Site.Data.graphConfig.enableDrag}},
-        {{$.Site.Data.graphConfig.enableLegend}},
-        {{$.Site.Data.graphConfig.enableZoom}}
-      );
-
-      {{if $.Site.Data.config.enableLinkPreview}}
-        initPopover({{strings.TrimRight "/" .Site.BaseURL }})
-      {{end}}
-    });
+    import { attachSPARouting } from "{{$router.Permalink}}"
+    attachSPARouting(init, render)
   </script>
   {{else}}
-  <script>window.navigate = (url) => window.location.href = url</script>
+  <script>
+    window.Million = {
+      navigate: (url) => (window.location.href = url),
+      prefetch: () => {},
+    }
+
+    window.addEventListener("DOMContentLoaded", () => {
+      init()
+      render()
+    })
+  </script>
   {{end}}
+  {{ $trimmedURL := trim (index (split .Site.BaseURL "://") 1) "/" }}
+  <script defer data-domain="{{$trimmedURL}}" src="https://plausible.io/js/script.js"></script>
+  <script>window.plausible = window.plausible || function() { (window.plausible.q = window.plausible.q || []).push(arguments) }</script>
 </head>
-{{ template "_internal/google_analytics.html" . }}

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