Update something

src/pages/rss.xml.js

@@ -0,0 +1,28 @@
+import rss from "@astrojs/rss";
+import { getCollection } from "astro:content";
+import getSortedPosts from "@/utils/getSortedPosts";
+import sanitizeHtml from "sanitize-html";
+import MarkdownIt from "markdown-it";
+import { SITE } from "@/config";
+
+const parser = new MarkdownIt();
+
+export async function GET() {
+  const posts = await getCollection("blog");
+  const sortedPosts = getSortedPosts(posts);
+  return rss({
+    title: SITE.title,
+    description: SITE.desc,
+    site: SITE.website,
+    items: sortedPosts.map(({ data, id }) => ({
+      link: `posts/${id}/`,
+      content: sanitizeHtml(parser.render(posts.body), {
+        allowedTags: sanitizeHtml.defaults.allowedTags.concat(["img"]),
+      }),
+      title: data.title,
+      description: data.description,
+      pubDate: new Date(data.modDatetime ?? data.pubDatetime),
+      customData: `<summary>${posts.frontmatter.description}</summary>`,
+    })),
+  });
+}