Generate Atom feed

src/lib/server/rss.ts

@@ -0,0 +1,45 @@
+import { BASE_URL } from '$env/static/private';
+import { PUBLIC_MASTODON_INSTANCE_DISPLAY_NAME } from '$env/static/public';
+import type { Post } from '$lib//mastodon/response';
+import { Feed } from 'feed';
+import fs from 'fs/promises';
+
+export function createFeed(posts: Post[]): Feed {
+  const baseUrl = BASE_URL.endsWith('/') ? BASE_URL : BASE_URL + '/';
+  const feed = new Feed({
+    title: `${PUBLIC_MASTODON_INSTANCE_DISPLAY_NAME} music feed`,
+    description: `Posts about music on ${PUBLIC_MASTODON_INSTANCE_DISPLAY_NAME}`,
+    id: baseUrl,
+    link: baseUrl,
+    language: 'en',
+    //image: "http://example.com/image.png",
+    //favicon: "http://example.com/favicon.ico",
+    copyright: '',
+    generator: 'moshing-mamut',
+    feedLinks: {
+      atom: `${BASE_URL}/feed.atom`
+    },
+    author: {
+      name: '@aymm',
+      link: 'https://metalhead.club/@aymm'
+    },
+  });
+  posts.forEach(p => {
+    feed.addItem({
+      title: p.content,
+      id: p.url,
+      link: p.url,
+      content: p.content,
+      author: [{
+        name: p.account.acct,
+        link: p.account.url
+      }],
+      date: new Date(p.created_at)
+    })
+  });
+  feed.addCategory('Music');
+  return feed;
+}
+export async function saveAtomFeed(feed: Feed) {
+  await fs.writeFile('feed.atom', feed.atom1(), { encoding: 'utf8' });
+}