From e466113d70e9786259b3516b5951771b0706e5d8 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Fri, 26 Jun 2020 17:20:22 -0400
Subject: docs: Integrate KaTeX and add some formulas

---
 katex-header.html | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 katex-header.html

(limited to 'katex-header.html')

diff --git a/katex-header.html b/katex-header.html
new file mode 100644
index 0000000..4e73ba1
--- /dev/null
+++ b/katex-header.html
@@ -0,0 +1,22 @@
+<!-- Credit: https://stackoverflow.com/a/54573800 -->
+<!-- Credit: https://github.com/m-ou-se/rust-horrible-katex-hack/blob/master/src/lib.rs -->
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.11.1/katex.min.css" integrity="sha384-zB1R0rpPzHqg7Kpt0Aljp8JPLqbXI3bhnPWROx27a9N0Ll6ZP/+DiW/UqRcLbRjq" crossorigin="anonymous" />
+<script defer src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.11.1/katex.min.js" integrity="sha384-y23I5Q6l+B6vatafAwxRu/0oK/79VlbSz7Q9aiSZUvyWYIYsd+qj+o24G5ZU2zJz" crossorigin="anonymous"></script>
+<script>
+    document.addEventListener("DOMContentLoaded", () => {
+        let codes = [...document.getElementsByTagName("code")];
+        for (let code of codes) {
+            if (code.classList.contains("language-math")) {
+                let p = document.createElement("p");
+                katex.render(code.textContent, p, { displayMode: true });
+                let pre = code.parentNode;
+                pre.parentNode.replaceChild(p, pre);
+            } else if (/^\$.*\$$/.test(code.textContent)) {
+                let span = document.createElement("span");
+                katex.render(code.textContent.slice(1, -1), span);
+                code.parentNode.replaceChild(span, code);
+            }
+        }
+    });
+</script>
-- 
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