From 9f6a5b44f84c0157862ef5f46aebe4bc390cfcce Mon Sep 17 00:00:00 2001
From: Andrew Stryker <EMAIL>
Date: Wed, 26 Feb 2025 20:10:48 -0800
Subject: [PATCH] Add basic partials

---
 layouts/partials/extend_head.html  | 27 +++++++++++++++++++++++++++
 layouts/partials/math.html         |  7 +++++++
 layouts/partials/mermaid.html      |  5 +++++
 layouts/partials/social-share.html | 16 ++++++++++++++++
 4 files changed, 55 insertions(+)
 create mode 100644 layouts/partials/extend_head.html
 create mode 100644 layouts/partials/math.html
 create mode 100644 layouts/partials/mermaid.html
 create mode 100644 layouts/partials/social-share.html

diff --git a/layouts/partials/extend_head.html b/layouts/partials/extend_head.html
new file mode 100644
index 0000000..498f5ca
--- /dev/null
+++ b/layouts/partials/extend_head.html
@@ -0,0 +1,27 @@
+<!-- Conditional TOC and post content -->
+{{ $threshold := .Site.Params.tocWordCountThreshold | default 300 }}
+{{ $showToc := false }}
+{{ if isset .Params "toc" }}
+  {{ $showToc = .Params.xparams.toc }}
+{{ else }}
+  {{ $wordCount := countwords .Content }}
+  {{ $showToc = gt $wordCount $threshold }}
+{{ end }}
+
+{{ if $showToc }}
+  <nav class="table-of-contents">
+    {{ .TableOfContents }}
+  </nav>
+{{ end }}
+
+<!-- KaTeX math -->
+{{ if .Params.xparams.math }}
+  {{ partial "math.html" . }}
+{{ end }}
+
+<!-- Mermaid diagrams -->
+{{ if .Params.xparams.mermaid }}
+  {{ partial "mermaid.html" . }}
+{{ end }}
+
+{{ partial "social-share.html" . }}
diff --git a/layouts/partials/math.html b/layouts/partials/math.html
new file mode 100644
index 0000000..182f4c9
--- /dev/null
+++ b/layouts/partials/math.html
@@ -0,0 +1,7 @@
+<!-- KaTeX CSS -->
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.16.20/dist/katex.min.css">
+
+<!-- KaTeX JS -->
+<script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.20/dist/katex.min.js"></script>
+<script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.20/dist/contrib/auto-render.min.js"
+        onload="renderMathInElement(document.body);"></script>
diff --git a/layouts/partials/mermaid.html b/layouts/partials/mermaid.html
new file mode 100644
index 0000000..3146eb7
--- /dev/null
+++ b/layouts/partials/mermaid.html
@@ -0,0 +1,5 @@
+<!-- Mermaid JS -->
+<script src="https://cdn.jsdelivr.net/npm/mermaid@11.4.1/dist/mermaid.min.js"></script>
+<script>
+  mermaid.initialize({ startOnLoad: true });
+</script>
diff --git a/layouts/partials/social-share.html b/layouts/partials/social-share.html
new file mode 100644
index 0000000..0beaaf9
--- /dev/null
+++ b/layouts/partials/social-share.html
@@ -0,0 +1,16 @@
+<div class="social-share">
+  {{/* Mastodon Sharing: Only render if enabled in the post’s YAML */}}
+  {{ if .Params.social.mastodon }}
+    {{ $mastodon := .Site.Params.social.mastodon_instance }}
+    <a href="https://{{ $mastodon }}/share?text={{ .Title | urlquery }}&amp;url={{ .Permalink | urlquery }}" target="_blank">
+      Share on Mastodon
+    </a>
+  {{ end }}
+
+  {{/* LinkedIn Sharing: Only render if enabled in the post’s YAML */}}
+  {{ if .Params.social.linkedin }}
+    <a href="https://www.linkedin.com/shareArticle?mini=true&amp;url={{ .Permalink | urlquery }}&amp;title={{ .Title | urlquery }}" target="_blank">
+      Share on LinkedIn
+    </a>
+  {{ end }}
+</div>