init: Vite+React+Tailwind v2 site with HTML content from WP, RSS feed, external feed aggregator, prerender

scripts/build-rss.js

@@ -0,0 +1,73 @@
+import fs from 'node:fs';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const ROOT = path.resolve(__dirname, '..');
+const DIST = path.join(ROOT, 'dist');
+
+const SITE = 'https://pushkinohistory.ru';
+const TITLE = 'История города Пушкино';
+const DESC = 'Прошлое, настоящее, будущее города Пушкино.';
+
+const posts = JSON.parse(fs.readFileSync(path.join(ROOT, 'src/content/posts.json'), 'utf8'));
+
+const escapeXml = (s) =>
+  String(s)
+    .replace(/&/g, '&')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/"/g, '&quot;')
+    .replace(/'/g, '&apos;');
+
+const cdata = (s) => `<![CDATA[${String(s).replace(/]]>/g, ']]]]><![CDATA[>')}]]>`;
+
+const rfc2822 = (s) => {
+  const d = new Date(s.replace(' ', 'T') + '+03:00');
+  return d.toUTCString();
+};
+
+const absoluteImages = (html) =>
+  html.replace(/(src|href)="\/uploads\//g, `$1="${SITE}/uploads/`);
+
+const items = posts.map((p) => {
+  const html = absoluteImages(p.html);
+  const description = p.excerpt
+    ? p.excerpt
+    : html.replace(/<[^>]+>/g, ' ').replace(/\s+/g, ' ').trim().slice(0, 500);
+  const url = `${SITE}/${p.slug}/`;
+  return `    <item>
+      <title>${escapeXml(p.title)}</title>
+      <link>${url}</link>
+      <guid isPermaLink="true">${url}</guid>
+      <pubDate>${rfc2822(p.date)}</pubDate>
+      <dc:creator>${cdata('История города Пушкино')}</dc:creator>
+      ${(p.categories || []).map((c) => `<category>${escapeXml(c)}</category>`).join('\n      ')}
+      <description>${cdata(description)}</description>
+      <content:encoded>${cdata(html)}</content:encoded>
+    </item>`;
+}).join('\n');
+
+const lastBuild = new Date().toUTCString();
+
+const rss = `<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0"
+     xmlns:content="http://purl.org/rss/1.0/modules/content/"
+     xmlns:dc="http://purl.org/dc/elements/1.1/"
+     xmlns:atom="http://www.w3.org/2005/Atom">
+  <channel>
+    <title>${escapeXml(TITLE)}</title>
+    <link>${SITE}/</link>
+    <atom:link href="${SITE}/feed/" rel="self" type="application/rss+xml" />
+    <description>${escapeXml(DESC)}</description>
+    <language>ru-RU</language>
+    <lastBuildDate>${lastBuild}</lastBuildDate>
+    <ttl>60</ttl>
+${items}
+  </channel>
+</rss>
+`;
+
+fs.mkdirSync(DIST, { recursive: true });
+fs.writeFileSync(path.join(DIST, 'feed.xml'), rss);
+console.log(`rss: ${posts.length} items → dist/feed.xml`);