✨ feat: add rss support (#82)

package.json

@@ -18,6 +18,7 @@
   "dependencies": {
     "@tailwindcss/typography": "^0.5.15",
     "@vite-pwa/vitepress": "^0.5.3",
+    "feed": "^4.2.2",
     "tailwindcss": "^3.4.14",
     "tsx": "^4.19.2",
     "vite-plugin-pwa": "^0.20.5",

src/.vitepress/config.ts

@@ -1,5 +1,6 @@
-import { defineConfigWithTheme, createContentLoader } from 'vitepress'
+import { defineConfigWithTheme } from 'vitepress'
 import { withPwa } from '@vite-pwa/vitepress'
+import { genFeed } from './genFeed.js'
 
 interface ThemeConfig {
   postsPerPage?: number
@@ -114,5 +115,6 @@ export default withPwa(
       },
     },
     themeConfig: themeConfig,
+    buildEnd: genFeed,
   })
 )

src/.vitepress/genFeed.ts

@@ -0,0 +1,55 @@
+import path from 'path'
+import { writeFileSync } from 'fs'
+import { Feed } from 'feed'
+import { createContentLoader, type SiteConfig } from 'vitepress'
+
+const baseUrl = `https://pfcc.blog`
+
+export async function genFeed(config: SiteConfig) {
+  const feed = new Feed({
+    title: '飞桨开源社区博客',
+    description: 'Wonderful stories from PaddlePaddle contributors',
+    id: baseUrl,
+    link: baseUrl,
+    language: 'zh-CN',
+    image: 'https://pfcc.blog/logo.png',
+    favicon: `${baseUrl}/favicon.ico`,
+    copyright: 'Copyright (c) 2023-present, PaddlePaddle contributors',
+  })
+
+  const posts = await createContentLoader('posts/*.md', {
+    excerpt: true,
+    render: true,
+  }).load()
+
+  posts.sort(
+    (a, b) => +new Date(b.frontmatter.date as string) - +new Date(a.frontmatter.date as string)
+  )
+
+  const formatAuthor = (author: {
+    name: string
+    github?: string
+  }): { name: string; link?: string } => {
+    return {
+      name: author.name,
+      link: author.github ? `https://github.com/${author.github}` : undefined,
+    }
+  }
+
+  for (const { url, excerpt, frontmatter, html } of posts) {
+    feed.addItem({
+      title: frontmatter.title,
+      id: `${baseUrl}${url}`,
+      link: `${baseUrl}${url}`,
+      description: excerpt,
+      content: html?.replaceAll('​', ''),
+      author: [
+        formatAuthor(frontmatter.author),
+        ...(frontmatter.co_authors?.map(formatAuthor) ?? []),
+      ],
+      date: new Date(frontmatter.date as string),
+    })
+  }
+
+  writeFileSync(path.join(config.outDir, 'feed.rss'), feed.rss2())
+}