From 204269396eb64580f8dd2b889b37c1ad84c3fb69 Mon Sep 17 00:00:00 2001
From: Oliver Booth <me@olivr.me>
Date: Tue, 8 Aug 2023 02:08:50 +0100
Subject: [PATCH] feat: use KaTeX to render math exprs

---
 src/ts/app.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/ts/app.ts b/src/ts/app.ts
index 87ddb7d..5c6c116 100644
--- a/src/ts/app.ts
+++ b/src/ts/app.ts
@@ -1,6 +1,18 @@
 declare const bootstrap: any;
+declare const katex: any;
 
 (() => {
     const list = document.querySelectorAll('[data-bs-toggle="tooltip"]');
     list.forEach((el: Element) => new bootstrap.Tooltip(el));
+
+    window.onload = function () {
+        const tex = document.getElementsByClassName("math");
+        Array.prototype.forEach.call(tex, function (el) {
+            let content = el.textContent.trim();
+            if (content.startsWith("\\[")) content = content.slice(2);
+            if (content.endsWith("\\]")) content = content.slice(0, -2);
+
+            katex.render(content, el);
+        });
+    };
 })();