Commit 8d872f6

@@ -2,6 +2,7 @@ import { getCollection } from "astro:content";
 import type { APIRoute } from "astro";
 import { Feed } from "feed";
 import { SITE_CONFIG } from "@/config";
+import { rehypeCleanProperties } from "@/plugins/rehype-clean-properties";
 import { rehypeExternalLinks } from "@/plugins/rehype-external-links";
 import { rehypeExtractImage } from "@/plugins/rehype-extract-image";
 import { renderTypstToHtml } from "@/utils/render-typst";
@@ -30,16 +31,18 @@ export const GET: APIRoute = async () => {
     posts.map(async (post) => {
       const url = `${siteUrl}/posts/${post.id}`;
       if (typeof post.filePath !== "string") return;
+      const renderedContent = await renderTypstToHtml(post.filePath, [
+        rehypeExtractImage,
+        rehypeExternalLinks,
+        rehypeCleanProperties,
+      ]);
 
       feed.addItem({
         title: post.data.title,
         id: url,
         link: url,
         description: post.data.desc,
-        content: await renderTypstToHtml(post.filePath, [
-          rehypeExtractImage,
-          rehypeExternalLinks,
-        ]),
+        content: renderedContent,
         author: [{ name: post.data.author || SITE_CONFIG.author }],
         date: post.data.date,
       });

@@ -0,0 +1,18 @@
+import type { RehypePlugin } from "@astrojs/markdown-remark";
+import { visit } from "unist-util-visit";
+
+export const rehypeCleanProperties: RehypePlugin = () => (tree) => {
+  visit(tree, "element", (node) => {
+    if (node.properties.class) {
+      delete node.properties.class;
+    }
+    for (const key of Object.keys(node.properties)) {
+      if (key.startsWith("data-")) {
+        delete node.properties[key];
+      }
+    }
+    if (node.properties.style) {
+      delete node.properties.style;
+    }
+  });
+};

@@ -2,8 +2,8 @@ import type { RehypePlugin } from "@astrojs/markdown-remark";
 import { visit } from "unist-util-visit";
 import { SITE_CONFIG } from "@/config.js";
 import { extractImage } from "@/integrations/extract-image.js";
-import { getBase64ImageInfo } from "../utils/image.js";
 import { url } from "@/utils/url.js";
+import { getBase64ImageInfo } from "../utils/image.js";
 
 export const rehypeExtractImage: RehypePlugin = () => (tree) => {
   visit(tree, "element", (node) => {