feature: add /user_api/mails with filter params address and keyword (#639)

worker/src/i18n/index.ts

@@ -1,6 +1,8 @@
 import { LocaleMessages } from "./type";
 import zh from "./zh";
 import en from "./en";
+import { HonoCustomType } from "../types";
+import { Context } from "hono";
 
 export default {
     getMessages: (
@@ -10,6 +12,17 @@ export default {
         if (locale === "en") return en;
         if (locale === "zh") return zh;
 
+        // fallback language
+        return en;
+    },
+    getMessagesbyContext: (
+        c: Context<HonoCustomType>
+    ): LocaleMessages => {
+        const locale = c.get("lang") || c.env.DEFAULT_LANG;
+        // multi-language support
+        if (locale === "en") return en;
+        if (locale === "zh") return zh;
+
         // fallback language
         return en;
     }