feat: add RSS feed generation and content management features

src/pages/rss.xml.ts

@@ -0,0 +1,33 @@
+import type { APIContext } from 'astro'
+import themeConfig from '@/config'
+import rss from '@astrojs/rss'
+import { getCollection } from 'astro:content'
+import MarkdownIt from 'markdown-it'
+import sanitizeHtml from 'sanitize-html'
+import
+
+const parser = new MarkdownIt()
+const { title, description, url } = themeConfig.site
+const { language } = themeConfig.global
+
+export async function GET(_context: APIContext) {
+  const posts = await getCollection('blog', ({ data }) => {
+    return !data.draft // 只包含非草稿文章
+  })
+
+  return rss({
+    title,
+    description,
+    site: url,
+    items: posts.map(post => ({
+      title: post.data.title,
+      pubDate: post.data.published, // 使用 published 而不是 pubDate
+      description: post.data.description,
+      link: `/posts/${post.slug}/`,
+      content: sanitizeHtml(parser.render(post.body), {
+        allowedTags: sanitizeHtml.defaults.allowedTags.concat(['img']),
+      }),
+    })),
+    customData: `<language>${language}</language>`,
+  })
+}