中英双语

scripts/verify-i18n.mjs

@@ -0,0 +1,59 @@
+import { readFile } from 'node:fs/promises'
+import { build } from 'esbuild'
+
+const zh = JSON.parse(await readFile('src/i18n/locales/zh-CN.json', 'utf8'))
+const en = JSON.parse(await readFile('src/i18n/locales/en.json', 'utf8'))
+
+function flattenKeys(value, prefix = '') {
+  const keys = []
+  for (const [key, child] of Object.entries(value)) {
+    const path = prefix ? `${prefix}.${key}` : key
+    if (child && typeof child === 'object' && !Array.isArray(child)) {
+      keys.push(...flattenKeys(child, path))
+    } else {
+      keys.push(path)
+    }
+  }
+  return keys.sort()
+}
+
+const zhKeys = flattenKeys(zh)
+const enKeys = flattenKeys(en)
+const missingInEnglish = zhKeys.filter((key) => !enKeys.includes(key))
+const missingInChinese = enKeys.filter((key) => !zhKeys.includes(key))
+if (missingInEnglish.length || missingInChinese.length) {
+  throw new Error([
+    missingInEnglish.length ? `Missing in English: ${missingInEnglish.join(', ')}` : '',
+    missingInChinese.length ? `Missing in Chinese: ${missingInChinese.join(', ')}` : '',
+  ].filter(Boolean).join('\n'))
+}
+
+const bundled = await build({
+  entryPoints: ['src/i18n/index.ts'],
+  bundle: true,
+  format: 'esm',
+  platform: 'node',
+  write: false,
+  logLevel: 'silent',
+})
+const i18nModule = await import(
+  `data:text/javascript;base64,${Buffer.from(bundled.outputFiles[0].contents).toString('base64')}`
+)
+
+const cases = [
+  [null, ['zh-CN'], 'zh-CN'],
+  [null, ['zh-Hant-TW'], 'zh-CN'],
+  [null, ['en-US'], 'en'],
+  [null, ['fr-FR'], 'en'],
+  [null, ['ko-KR', 'en-US'], 'en'],
+  ['en', ['zh-CN'], 'en'],
+  ['zh-CN', ['en-US'], 'zh-CN'],
+]
+for (const [saved, browserLanguages, expected] of cases) {
+  const actual = i18nModule.resolveAppLocale(saved, browserLanguages)
+  if (actual !== expected) {
+    throw new Error(`Locale resolution failed for ${JSON.stringify(browserLanguages)}: expected ${expected}, got ${actual}`)
+  }
+}
+
+console.log(`i18n 校验通过：${zhKeys.length} 个消息键，中英语言包一致，自动语言与缓存优先级正确`)