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.vitepress/theme/utils/posts.data.d.ts

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+export interface PostData {
+  id: number
+  title: string
+  content: string
+  href: string
+  create: number
+  update: number
+  tags?: string[]
+  wordCount: number
+  cover?: string
+  excerpt: string
+  pinned?: boolean
+}
+export declare const data: PostData[]

.vitepress/theme/utils/posts.data.mts

@@ -0,0 +1,92 @@
+import fs from 'node:fs'
+import path from 'node:path'
+import matter from 'gray-matter'
+import { fileURLToPath } from 'url'
+import { createMarkdownRenderer } from 'vitepress'
+// ES模块需要重新声明常量
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+const cwd = process.cwd()
+
+let id = 1
+
+interface Post {
+  id: number
+  title: string
+  content: string
+  href: string
+  create: number
+  update: number
+  tags?: string[]
+  wordCount: number
+  cover?: string
+  excerpt: string | undefined
+  pinned?: boolean
+}
+
+// Post数据缓存
+const cache: Map<string, { timestamp: number; post: Post }> = new Map()
+
+function countWords(text: string): number {
+  // 将连续的英文字母串替换为单个字母
+  const replacedText = text.replace(/[a-zA-Z]+/g, 'A')
+
+  const pattern = /[\u4E00-\u9FA5A]/g
+  const matches = replacedText.match(pattern)
+
+  let count = 0
+  if (matches) {
+    count = matches.length
+  }
+  return count
+}
+
+function getPost(md: any, file: string, postDir: string): Post {
+  const fullPath = path.join(postDir, file)
+  const timestamp = Math.floor(fs.statSync(fullPath).mtimeMs)
+  // 缓存直接返回
+  const cached = cache.get(fullPath)
+  if (cached && timestamp === cached.timestamp) {
+    return cached.post
+  }
+
+  const src = fs.readFileSync(fullPath, 'utf-8')
+  const { data, excerpt, content } = matter(src, { excerpt: true })
+  const post: Post = {
+    id: id++,
+    title: data.title,
+    content: content,
+    href: `posts/${file.replace(/\.md$/, '.html')}`,
+    create: +(new Date(data.date) || timestamp),
+    update: timestamp,
+    tags: data.tags,
+    wordCount: countWords(content),
+    cover: data.cover,
+    excerpt: excerpt,
+    pinned: !!data.pinned
+  }
+
+  cache.set(fullPath, { timestamp, post })
+  return post
+}
+
+// 加载posts文件夹
+async function load() {
+  const md = await createMarkdownRenderer(cwd)
+  const postDir = path.join(cwd, 'posts')
+  return fs
+    .readdirSync(postDir)
+    .filter((file) => file.endsWith('.md') && file !== 'index.md')
+    .map((file) => getPost(md, file, postDir))
+    .sort((a, b) => {
+      // 先按置顶排序,再按创建时间排序
+      if (a.pinned && !b.pinned) return -1
+      if (!a.pinned && b.pinned) return 1
+      return b.create - a.create
+    })
+}
+
+export default {
+  watch: path.relative(__dirname, cwd + '/posts/*.md').replace(/\\/g, '/'),
+  load,
+}