Initial rewrite

src/pages/rss.xml.ts

@@ -0,0 +1,23 @@
+import rss from '@astrojs/rss';
+import type { APIRoute } from 'astro';
+import { articlePath, getPublishedPosts, site } from '../lib/site';
+
+export const GET: APIRoute = async (context) => {
+  const posts = await getPublishedPosts();
+
+  return rss({
+    title: site.name,
+    description: site.description,
+    site: context.site ?? site.url,
+    items: posts.map((post) => ({
+      title: post.data.title,
+      description: post.data.description,
+      pubDate: post.data.date,
+      link: articlePath(post),
+      categories: post.data.tags,
+      customData: post.data.updated
+        ? `<updated>${post.data.updated.toISOString()}</updated>`
+        : undefined,
+    })),
+  });
+};