Add RSS Feed about hanamimastery HOT 3 CLOSED

export async function getRssData() {
  const feed = new rss({
    title: "Hanami Mastery newest episodes!",
    description: "The best way to master Hanami ruby framework!",
    feed_url: "https://hanamimastery.com/rss.xml",
    site_url: "https://hanamimastery.com",
    image_url: "https://hanamimastery.com/logo-hm.jpeg",
    managingEditor: "Sebastian Wilgosz",
    webMaster: "Sebastian Wilgosz",
    copyright: "2021 Sebastian Wilgosz",
    language: "en",
    categories: ["Ruby", "Hanami", "Web development"],
    pubDate: new Date().toLocaleString(),
    ttl: "60",
  });

  const posts = await getAllFilesFrontMatter("stray");
  const episodes = await getAllFilesFrontMatter("episodes");
  const postsWithSlug = posts.map((item) => ({
    ...item,
    url: `https://hanamimastery.com/articles/${item.slug}`,
  }));
  const episodesWithSlug = episodes.map((item) => ({
    ...item,
    url: `https://hanamimastery.com/episodes/${item.slug}`,
  }));
  const items = postsWithSlug.concat(episodesWithSlug).sort((itemA, itemB) => {
    if (itemA.id > itemB.id) return -1;
    if (itemA.id < itemB.id) return 1;
    return 0;
  });
  items.map(({ author, tags, title, id, url }) => {
    feed.item({ author, title, categories: tags, guid: id, url });
  });
  return feed;
}