From dbd4fb7595055551118e7dab59a11459bcdc3d9b Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Fri, 03 Jun 2022 17:59:18 +0000
Subject: [PATCH] Merge pull request #139 from aidenybai/prerender-latex

---
 layouts/partials/head.html |   66 +++++++++++++++++++++++---------
 1 files changed, 47 insertions(+), 19 deletions(-)

diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index a81c9ed..3b50340 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -10,11 +10,7 @@
     end }}
   </title>
   <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <link
-    rel="shortcut icon"
-    type="image/png"
-    href="{{$.Site.BaseURL}}/icon.png"
-  />
+  <link rel="shortcut icon" type="image/png" href="{{$.Site.BaseURL}}/icon.png" />
 
   <!-- CSS Stylesheets and Fonts -->
   <link
@@ -30,8 +26,7 @@
   {{$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 }}
+  {{ $darkMode := resources.Get "js/darkmode.js" | resources.Fingerprint "md5" | resources.Minify }}
   <script src="{{$darkMode.Permalink}}"></script>
   {{partial "katex.html" .}}
 
@@ -61,16 +56,17 @@
           links,
           content,
         }))
-  </script>
-  {{if $.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(() => {
+
+    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
+      {{if $.Site.Data.config.enableFooter}}
+      const container = document.getElementById("graph-container")
+      // retry if the graph is not ready
+      if (!container) return requestAnimationFrame(render)
+      // clear the graph in case there is anything within it
+      container.textContent = ""
+
       drawGraph(
-        {{strings.TrimRight "/" .Page.Permalink}},
         {{strings.TrimRight "/" .Site.BaseURL}},
         {{$.Site.Data.graphConfig.paths}},
         {{$.Site.Data.graphConfig.depth}},
@@ -78,14 +74,46 @@
         {{$.Site.Data.graphConfig.enableLegend}},
         {{$.Site.Data.graphConfig.enableZoom}}
       );
+      {{end}}
 
       {{if $.Site.Data.config.enableLinkPreview}}
-        initPopover({{strings.TrimRight "/" .Site.BaseURL }})
+      initPopover(
+        {{strings.TrimRight "/" .Site.BaseURL }},
+        {{$.Site.Data.config.enableContextualBacklinks}},
+        {{$.Site.Data.config.enableLatex}}
+      )
       {{end}}
-    });
+    }
+
+    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 $.Site.Data.config.enableLatex}}
+      renderMathInElement(doc.body, {
+        delimiters: [
+          {left: '$$', right: '$$', display: true},
+          {left: '$', right: '$', display: false},
+        ],
+        throwOnError : false
+      });
+      {{end}}
+    };
+  </script>
+  {{if $.Site.Data.config.enableSPA}}
+  {{ $router := resources.Get "js/router.js" | resources.Fingerprint "md5" |
+  resources.Minify }}
+  <script type="module">
+    import { attachSPARouting } from "{{$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: () => {},
+    }
+    init()
+    render()
+  </script>
   {{end}}
 </head>
 {{ template "_internal/google_analytics.html" . }}

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