Merge pull request #12 from santhosh-chinnasamy/feat/rss-feed

Add RSS feed for Blog

.gitignore

@@ -32,3 +32,5 @@ yarn-error.log*
 
 # vercel
 .vercel
+
+rss.xml

package.json

@@ -4,12 +4,14 @@
   "scripts": {
     "dev": "next dev",
     "build": "next build",
+    "prebuild": "node scripts/generate-rss.js",
     "start": "next start",
     "lint": "next lint"
   },
   "dependencies": {
     "@tabler/icons": "^1.100.0",
     "@vercel/analytics": "^1.1.0",
+    "feed": "^4.2.2",
     "gray-matter": "^4.0.3",
     "marked": "^4.3.0",
     "postcss": "^8.4.16",

scripts/generate-rss.js

@@ -0,0 +1,60 @@
+const fs = require("fs");
+const path = require("path");
+const { Feed } = require("feed");
+const matter = require("gray-matter");
+const { loadEnvConfig } = require("@next/env");
+
+loadEnvConfig(process.cwd());
+
+const getPostsSortByDate = () => {
+  const files = fs.readdirSync(path.join("posts"));
+  let posts = files.map((filename) => {
+    const markdownWithMeta = fs.readFileSync(
+      path.join("posts", filename),
+      "utf-8"
+    );
+
+    const { data } = matter(markdownWithMeta);
+    data.slug = filename.replace(".md", "");
+    return data;
+  });
+
+  return sortPostsInDesc(posts);
+};
+
+const sortPostsInDesc = (posts) => {
+  return posts?.sort(
+    (first, next) => new Date(next.date) - new Date(first.date)
+  );
+};
+
+const generateRSSFeed = () => {
+  const siteUrl = process.env.NEXT_PUBLIC_VERCEL_URL;
+  const posts = getPostsSortByDate();
+  const feed = new Feed({
+    title: "Bruno Blog | RSS Feed",
+    description: "RSS Feed for Bruno Blog",
+    id: siteUrl,
+    link: siteUrl,
+    image: `${siteUrl}/favicon-32x32.png`,
+    favicon: `${siteUrl}/favicon.ico`,
+    copyright: "Anoop M D and Contributors",
+    feedLinks: {
+      rss2: `${siteUrl}/feed.xml`,
+    },
+  });
+
+  posts.forEach((post) => {
+    feed.addItem({
+      title: post.title,
+      id: `${siteUrl}/blog/${post.slug}`,
+      link: `${siteUrl}/blog/${post.slug}`,
+      description: post.description,
+      date: new Date(post.date),
+    });
+    fs.writeFileSync("./public/rss.xml", feed.rss2());
+  });
+  console.log("RSS Feed generated!");
+};
+
+generateRSSFeed();