update

packages/backend/src/i18n.ts

@@ -7,51 +7,55 @@ import fs from 'fs';
 const localesDir = path.join(__dirname, 'locales');
 let dynamicSupportedLngs: string[] = [];
 try {
-  // 同步读取 locales 目录下的所有条目
   const entries = fs.readdirSync(localesDir, { withFileTypes: true });
-  // 过滤出目录，并将目录名作为支持的语言代码
+  // Filter for .json files directly, assuming filenames are language codes (e.g., en-US.json)
   dynamicSupportedLngs = entries
-    .filter(dirent => dirent.isDirectory())
-    .map(dirent => dirent.name);
+    .filter(dirent => dirent.isFile() && dirent.name.endsWith('.json'))
+    .map(dirent => dirent.name.replace('.json', '')); // Extract lang code from filename
   console.log('[i18next] Dynamically detected languages:', dynamicSupportedLngs);
 } catch (err) {
   console.error('[i18next] Error reading locales directory:', err);
-  // 如果读取目录失败，可以回退到默认值或抛出错误
-  dynamicSupportedLngs = ['en']; // 至少包含默认语言作为回退
+  dynamicSupportedLngs = ['en-US']; // Fallback
 }
 
-// 确保默认语言在支持列表中，如果目录扫描失败则添加
-export const defaultLng = 'en-US'; // 更新为 en-US
+export const defaultLng = 'en-US';
 if (!dynamicSupportedLngs.includes(defaultLng)) {
     dynamicSupportedLngs.push(defaultLng);
-    console.warn(`[i18next] Default language '${defaultLng}' not found in detected directories, adding it to supported list.`);
+    console.warn(`[i18next] Default language '${defaultLng}' not found in detected files, adding it to supported list.`);
 }
-export const supportedLngs = dynamicSupportedLngs; // 导出动态获取的列表
+export const supportedLngs = dynamicSupportedLngs;
 // --- 结束动态确定 ---
 
 
-i18next
-  .use(Backend)
-  .init({
-    debug: process.env.NODE_ENV === 'development', // Enable debug logging in dev
-    supportedLngs: supportedLngs, // 使用动态获取的列表
-    fallbackLng: defaultLng,
-    // lng: defaultLng, // Remove explicit lng setting here, let it be determined later or by detector
-    preload: supportedLngs, // 使用动态获取的列表进行预加载
-    ns: ['notifications'], // 命名空间，用于组织翻译
-    defaultNS: 'notifications',
-    backend: {
-      // path where resources get loaded from
-      loadPath: path.join(localesDir, '{{lng}}/{{ns}}.json'), // 直接使用 localesDir
-    },
-    interpolation: {
-      escapeValue: false, // Not needed for react apps
-    },
-  }, (err, t) => { // Add init callback
-    if (err) {
-        return console.error('[i18next] Error during initialization:', err);
-    }
-    console.log('[i18next] Initialization complete. Loaded languages:', Object.keys(i18next.store.data));
-  });
+let i18nInitialized = false;
+// Create a promise that resolves when i18next is initialized
+const i18nInitializationPromise = new Promise<void>((resolve, reject) => {
+    i18next
+      .use(Backend)
+      .init({
+        debug: process.env.NODE_ENV === 'development',
+        supportedLngs: supportedLngs,
+        fallbackLng: defaultLng,
+        preload: supportedLngs,
+        // ns and defaultNS removed as translations are now in root language files (e.g., en-US.json)
+        backend: {
+          loadPath: path.join(localesDir, '{{lng}}.json'), // Load root JSON files directly
+        },
+        interpolation: {
+          escapeValue: false,
+        },
+      }, (err, t) => { // Init callback
+        if (err) {
+            console.error('[i18next] Error during initialization:', err);
+            i18nInitialized = false; // Mark as not initialized on error
+            return reject(err); // Reject the promise on error
+        }
+        console.log('[i18next] Initialization complete. Loaded languages:', Object.keys(i18next.store.data || {})); // Safe access to store.data
+        i18nInitialized = true; // Mark as initialized
+        resolve(); // Resolve the promise on success
+      });
+});
 
-export default i18next;
+// Export the promise and a function to check status (optional)
+export { i18nInitializationPromise, i18nInitialized };
+export default i18next; // Export the instance as well