feat: add wordcount heatmap

src/plugins/heatmapdata/local.js

@@ -0,0 +1,30 @@
+import { getCollection, render } from 'astro:content';
+
+async function fetchPostsData() {
+    const posts = await getCollection('posts');
+    const entriesData = {};
+
+    for (const post of posts) {
+        const { remarkPluginFrontmatter } = await post.render();
+        const dateKey = post.data.pubDate.toISOString().split('T')[0]; // "2025-07-25"
+        entriesData[dateKey] = {
+            wordCount: remarkPluginFrontmatter.wordcount.words / 1000 || 0,
+            link: `/blog/${post.slug}`,
+            title: post.data.title
+        };
+    }
+
+    return entriesData;
+}
+
+export async function generateLocalData() {
+    const postsData = await fetchPostsData();
+    const data = []
+    Object.entries(postsData).forEach(([dateKey, entry]) => {
+        data.push([
+            new Date(dateKey).toISOString().split('T')[0], // Convert to YYYY-MM-DD format
+            entry.wordCount || 0,
+        ])
+    })
+    return data;
+}