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.vitepress/scripts/generate-indexes.mjs

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+import fs from 'node:fs'
+import path from 'node:path'
+
+const ROOT = process.cwd()
+const EXCLUDED_DIRS = new Set(['.git', '.github', '.vitepress', 'node_modules', 'public'])
+
+function isDirectory(p) {
+  return fs.existsSync(p) && fs.statSync(p).isDirectory()
+}
+
+function isMarkdown(p) {
+  return fs.existsSync(p) && fs.statSync(p).isFile() && path.extname(p).toLowerCase() === '.md'
+}
+
+function sortByPinyinOrName(a, b) {
+  return a.localeCompare(b, 'zh-Hans-CN-u-co-pinyin')
+}
+
+function titleFromName(name) {
+  return name.replace(/\.md$/i, '')
+}
+
+function buildIndexContent(dirName, files) {
+  const header = `# ${dirName}\n\n<!-- AUTO-GENERATED: index for ${dirName}. Edit source files instead. -->\n\n`
+  if (files.length === 0) return header + '（暂无条目）\n'
+  const list = files
+    .sort(sortByPinyinOrName)
+    .map((f) => `- [${titleFromName(f)}](${encodeURI('./' + f)})`)
+    .join('\n')
+  return header + list + '\n'
+}
+
+function shouldOverwriteExisting(readmePath) {
+  if (!fs.existsSync(readmePath)) return true
+  const content = fs.readFileSync(readmePath, 'utf8')
+  // 仅覆盖带有标记的自动生成文件，避免覆盖人工维护的索引
+  return content.includes('AUTO-GENERATED: index')
+}
+
+function main() {
+  const entries = fs.readdirSync(ROOT)
+  const dirs = entries
+    .filter((e) => isDirectory(path.join(ROOT, e)))
+    .filter((e) => !EXCLUDED_DIRS.has(e) && !e.startsWith('.'))
+    .sort(sortByPinyinOrName)
+
+  let changed = 0
+  for (const dir of dirs) {
+    const abs = path.join(ROOT, dir)
+    const files = fs
+      .readdirSync(abs)
+      .filter((f) => isMarkdown(path.join(abs, f)))
+      .filter((f) => f.toLowerCase() !== 'readme.md' && f.toLowerCase() !== 'index.md')
+      .sort(sortByPinyinOrName)
+
+    const readmePath = path.join(abs, 'README.md')
+    if (!shouldOverwriteExisting(readmePath)) continue
+
+    const content = buildIndexContent(dir, files)
+    fs.writeFileSync(readmePath, content, 'utf8')
+    changed++
+  }
+  console.log(`[generate-indexes] updated ${changed} index file(s).`)
+}
+
+main()