Add atom feed

package.json

@@ -9,8 +9,8 @@
   },
   "scripts": {
     "docusaurus": "docusaurus",
-    "prestart": "node scripts/resize-images.js && node scripts/generate-rss-feed.js",
-    "prebuild": "node scripts/resize-images.js && node scripts/generate-rss-feed.js",
+    "prestart": "node scripts/resize-images.js && node scripts/generate-rss-feed.js && node scripts/generate-atom-feed.js ",
+    "prebuild": "node scripts/resize-images.js && node scripts/generate-rss-feed.js && node scripts/generate-atom-feed.js",
     "start": "docusaurus start",
     "build": "docusaurus build",
     "swizzle": "docusaurus swizzle",
@@ -36,6 +36,7 @@
     "canvas": "^2.11.2",
     "clsx": "^2.0.0",
     "curl": "^0.1.4",
+    "feed": "^5.1.0",
     "fs": "^0.0.1-security",
     "image-size": "^1.2.1",
     "jimp": "^0.22.12",
@@ -80,5 +81,6 @@
   },
   "engines": {
     "node": "18.x"
-  }
+  },
+  "type": "module"
 }

scripts/generate-atom-feed.js

@@ -0,0 +1,70 @@
+import fs from 'fs';
+import { Feed } from 'feed';
+import { blogpostsDetails } from '../src/components/blog/blogpostsDetails.js';
+import path from 'path';
+import { fileURLToPath } from 'url';
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+const outputDir = path.join(__dirname, '../static');
+if (!fs.existsSync(outputDir)) {
+    fs.mkdirSync(outputDir, { recursive: true });
+}
+
+const generateAtomFeedFromBlogDetails = (feed, blogpostsDetails, nbOfBlogPosts) => {
+    let posts = [];
+    for (let i = 0; i < nbOfBlogPosts; i++) {
+        const post = blogpostsDetails[i];
+        posts.push({
+            title: post.title,
+            link: post.url,
+            description: post.summary,
+            date: new Date(post.date),
+            authors: post.authors.split(','),
+        })
+    };
+
+    posts.forEach((post) => {
+        feed.addItem({
+            title: post.title,
+            id: post.url,
+            link: post.url,
+            description: post.summary,
+            date: new Date(post.date),
+            author: [{ name: post.authors }],
+        });
+
+    })
+    return feed;
+}
+const AtomFeedLast20 = new Feed({
+    title: 'Recent blog posts featured by QuantStack team',
+    description: 'Atom feed for QuantStack website blog page',
+    id: 'https://quantstack.net/',
+    link: 'https://quantstack.net/',
+    language: 'en',
+    updated: new Date(),
+    feedLinks: {
+        atom: 'https://quantstack.net/atom.xml',
+    },
+    author: {
+        name: 'QuantStack Team',
+        link: 'https://quantstack.net',
+    },
+});
+
+
+const updatedFeedLast20 = generateAtomFeedFromBlogDetails(AtomFeedLast20, blogpostsDetails, 20);
+const xml = updatedFeedLast20.atom1(); // Atom format
+fs.writeFileSync(path.join(outputDir, 'atom.xml'), xml);
+
+/*const AtomFeedAll = new Feed({
+    title: 'All blog posts featured by QuantStack team',
+    description: 'Atom feed for QuantStack website blog page',
+    feed_url: 'https://quantstack.net/atom_all.xml',
+    site_url: 'https://quantstack.net',
+    language: 'en',
+});
+
+const updatedFeedAll = generateAtomFeedFromBlogDetails(AtomFeedAll, blogpostsDetails, blogpostsDetails.length)
+fs.writeFileSync(path.join(outputDir, 'atom_all.xml'), updatedFeedAll.atom1({ indent: true }));*/

scripts/generate-rss-feed.js

@@ -1,7 +1,10 @@
-const fs = require('fs');
-const RSS = require('rss');
-const { blogpostsDetails } = require('../src/components/blog/blogpostsDetails.js');
-const path = require('path');
+import fs from 'fs';
+import RSS from 'rss';
+import { blogpostsDetails } from '../src/components/blog/blogpostsDetails.js';
+import path from 'path';
+import { fileURLToPath } from 'url';
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
 
 const outputDir = path.join(__dirname, '../static');
 if (!fs.existsSync(outputDir)) {

scripts/resize-images.js

@@ -1,11 +1,14 @@
-const sharp = require('sharp');
-const fs = require('fs');
-const path = require('path');
-const sizeOf = require('image-size');
-const fullSizeDir = path.join(__dirname, '../static', 'img', 'blogposts', 'full-size-images');
-const reducedSizeDir = path.join(__dirname, '../static', 'img', 'blogposts', 'resized-images');
+import sharp from 'sharp';
+import fs from 'fs';
+import path from 'path';
+import sizeOf from 'image-size';
+import { fileURLToPath } from 'url';
 const containerHeight = 180;
 const containerWidth = 273;
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const fullSizeDir = path.join(__dirname, '../static', 'img', 'blogposts', 'full-size-images');
+const reducedSizeDir = path.join(__dirname, '../static', 'img', 'blogposts', 'resized-images');
 
 if (!fs.existsSync(reducedSizeDir)) {
     fs.mkdirSync(reducedSizeDir, { recursive: true });