From 88201319a86a0f9955412b6df32df5f178294fd6 Mon Sep 17 00:00:00 2001
From: Mat Manna <matmanna@outlook.com>
Date: Mon, 8 Jun 2026 14:24:00 -0400
Subject: [PATCH] feat: heatmap worker

---
 .gitignore           |  1 +
 index.md             |  8 ++++----
 package.json         |  7 +++++--
 worker/index.js      | 31 +++++++++++++++++++++++++++++++
 worker/wrangler.toml |  7 +++++++
 5 files changed, 48 insertions(+), 6 deletions(-)
 create mode 100644 worker/index.js
 create mode 100644 worker/wrangler.toml

diff --git a/.gitignore b/.gitignore
index 53be7c5..1f13e60 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,5 @@
 _site
 Gemfile.lock
 node_modules
+.wrangler
 .git-metadata
diff --git a/index.md b/index.md
index 0249361..f696557 100644
--- a/index.md
+++ b/index.md
@@ -45,12 +45,12 @@ Outside of computing, I’m also a guitarist, competition aficionado, and lingua
 <details><summary>Recently, I've been shipping,<sub> (expand for stats!)</sub> but also: </summary>
   
 </details>
-  <a class="no-external-icon heatmap-link" href="https://heatmap.shymike.dev?id=U07VA44DNBA&timezone=America%2FNew_York&standalone=true" title="Click to view detailed data for each day!" style="display: inline-block;">
-    <img id="heatmap-image" class="heatmap-image my-0" alt="Hackatime activity heatmap" width="684" height="90.33" fetchpriority="high" src="https://heatmap.shymike.dev?id=U07VA44DNBA&timezone=America%2FNew_York&theme=light&format=png" data-light-src="https://heatmap.shymike.dev?id=U07VA44DNBA&timezone=America%2FNew_York&format=png&theme=light" data-dark-src="https://heatmap.shymike.dev?id=U07VA44DNBA&timezone=America%2FNew_York&theme=dark&format=png">
+  <a class="no-external-icon heatmap-link" href="https://heatmap.matmanna.dev?id=U07VA44DNBA&timezone=America%2FNew_York&standalone=true" title="Click to view detailed data for each day!" style="display: inline-block;">
+    <img id="heatmap-image" class="heatmap-image my-0" alt="Hackatime activity heatmap" width="684" height="90.33" fetchpriority="high" src="https://heatmap.matmanna.dev?id=U07VA44DNBA&timezone=America%2FNew_York&theme=light&format=png" data-light-src="https://heatmap.matmanna.dev?id=U07VA44DNBA&timezone=America%2FNew_York&format=png&theme=light" data-dark-src="https://heatmap.matmanna.dev?id=U07VA44DNBA&timezone=America%2FNew_York&theme=dark&format=png">
   </a>
   <noscript>
-    <a class="no-external-icon heatmap-link" href="https://heatmap.shymike.dev?id=U07VA44DNBA&timezone=America%2FNew_York&standalone=true" title="Click to view detailed data for each day!">
-      <img class="heatmap-image" alt="Hackatime activity heatmap" src="https://heatmap.shymike.dev?id=U07VA44DNBA&timezone=America%2FNew_York&theme=light" width="684" height="90.33">
+    <a class="no-external-icon heatmap-link" href="https://heatmap.matmanna.dev?id=U07VA44DNBA&timezone=America%2FNew_York&standalone=true" title="Click to view detailed data for each day!">
+      <img class="heatmap-image" alt="Hackatime activity heatmap" src="https://heatmap.matmanna.dev?id=U07VA44DNBA&timezone=America%2FNew_York&theme=light" width="684" height="90.33">
     </a>
   </noscript>
   <style>
diff --git a/package.json b/package.json
index fb78521..ae44412 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,9 @@
     "lib": "lib"
   },
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "worker:dev": "cd worker && npx wrangler dev",
+    "worker:deploy": "cd worker && npx wrangler deploy"
   },
   "repository": {
     "type": "git",
@@ -27,6 +29,7 @@
   "devDependencies": {
     "autoprefixer": "^10.5.0",
     "postcss": "^8.5.13",
-    "tailwindcss": "^3.4.19"
+    "tailwindcss": "^3.4.19",
+    "wrangler": "^3.0.0"
   }
 }
diff --git a/worker/index.js b/worker/index.js
new file mode 100644
index 0000000..b56c8a7
--- /dev/null
+++ b/worker/index.js
@@ -0,0 +1,31 @@
+const HEATMAP_ORIGIN = "https://heatmap.shymike.dev";
+const CACHE_TTL = 86400; // 24 hours
+
+export default {
+  async fetch(request, env, ctx) {
+    const url = new URL(request.url);
+    const target = new URL(HEATMAP_ORIGIN + url.pathname + url.search);
+
+    const cache = caches.default;
+    const cacheKey = new Request(target.toString(), request);
+
+    const cached = await cache.match(cacheKey);
+    if (cached) {
+      return cached;
+    }
+
+    const originResponse = await fetch(target.toString(), {
+      headers: request.headers,
+    });
+
+    const response = new Response(originResponse.body, originResponse);
+    response.headers.set("Cache-Control", `public, max-age=${CACHE_TTL}, s-maxage=${CACHE_TTL}`);
+    response.headers.set("Access-Control-Allow-Origin", "*");
+
+    if (response.ok) {
+      ctx.waitUntil(cache.put(cacheKey, response.clone()));
+    }
+
+    return response;
+  },
+};
diff --git a/worker/wrangler.toml b/worker/wrangler.toml
new file mode 100644
index 0000000..c6a7c54
--- /dev/null
+++ b/worker/wrangler.toml
@@ -0,0 +1,7 @@
+name = "matmanna-heatmap"
+main = "index.js"
+compatibility_date = "2025-01-01"
+
+routes = [
+  { pattern = "heatmap.matmanna.dev/*", zone_name = "matmanna.dev" }
+]
-- 
2.51.2