initial commit

lib/generate-rss.ts

@@ -0,0 +1,33 @@
+import { escape } from '@/lib/utils/htmlEscaper'
+
+import siteMetadata from '@/data/siteMetadata'
+import { PostFrontMatter } from 'types/PostFrontMatter'
+
+const generateRssItem = (post: PostFrontMatter) => `
+  <item>
+    <guid>${siteMetadata.siteUrl}/blog/${post.slug}</guid>
+    <title>${escape(post.title)}</title>
+    <link>${siteMetadata.siteUrl}/blog/${post.slug}</link>
+    ${post.summary && `<description>${escape(post.summary)}</description>`}
+    <pubDate>${new Date(post.date).toUTCString()}</pubDate>
+    <author>${siteMetadata.email} (${siteMetadata.author})</author>
+    ${post.tags && post.tags.map((t) => `<category>${t}</category>`).join('')}
+  </item>
+`
+
+const generateRss = (posts: PostFrontMatter[], page = 'feed.xml') => `
+  <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
+    <channel>
+      <title>${escape(siteMetadata.title)}</title>
+      <link>${siteMetadata.siteUrl}/blog</link>
+      <description>${escape(siteMetadata.description)}</description>
+      <language>${siteMetadata.language}</language>
+      <managingEditor>${siteMetadata.email} (${siteMetadata.author})</managingEditor>
+      <webMaster>${siteMetadata.email} (${siteMetadata.author})</webMaster>
+      <lastBuildDate>${new Date(posts[0].date).toUTCString()}</lastBuildDate>
+      <atom:link href="${siteMetadata.siteUrl}/${page}" rel="self" type="application/rss+xml"/>
+      ${posts.map(generateRssItem).join('')}
+    </channel>
+  </rss>
+`
+export default generateRss