fix: lang detect

src/libs/auth.js

@@ -1,6 +1,6 @@
 import { getMsauth, setMsauth } from "./storage";
-import { fetchData } from "./fetch";
 import { kissLog } from "./log";
+import { apiMsAuth } from "../apis";
 
 const parseMSToken = (token) => {
   try {
@@ -16,28 +16,55 @@ const parseMSToken = (token) => {
  * @returns
  */
 const _msAuth = () => {
-  let { token, exp } = {};
+  let tokenPromise = null;
+  const EXPIRATION_MS = 1000;
+
+  const fetchNewToken = async () => {
+    try {
+      const now = Date.now();
+
+      // 1. 查询storage缓存
+      const storageToken = await getMsauth();
+      if (storageToken) {
+        const storageExp = parseMSToken(storageToken);
+        const storageExpiresAt = storageExp * 1000;
+        if (storageExpiresAt > now + EXPIRATION_MS) {
+          return { token: storageToken, expiresAt: storageExpiresAt };
+        }
+      }
+
+      // 2. 缓存没有或失效，查询接口
+      const apiToken = await apiMsAuth();
+      if (!apiToken) {
+        throw new Error("Failed to fetch ms token");
+      }
+
+      const apiExp = parseMSToken(apiToken);
+      const apiExpiresAt = apiExp * 1000;
+      await setMsauth(apiToken);
+      return { token: apiToken, expiresAt: apiExpiresAt };
+    } catch (error) {
+      kissLog("get msauth failed", error);
+      throw error;
+    }
+  };
 
   return async () => {
-    // 查询内存缓存
-    const now = Date.now();
-    if (token && exp * 1000 > now + 1000) {
-      return [token, exp];
+    // 检查是否有缓存的 Promise
+    if (tokenPromise) {
+      try {
+        const cachedResult = await tokenPromise;
+        if (cachedResult.expiresAt > Date.now() + EXPIRATION_MS) {
+          return cachedResult.token;
+        }
+      } catch (error) {
+        //
+      }
     }
 
-    // 查询storage缓存
-    const res = await getMsauth();
-    token = res?.token;
-    exp = res?.exp;
-    if (token && exp * 1000 > now + 1000) {
-      return [token, exp];
-    }
-
-    // 缓存没有或失效，查询接口
-    token = await fetchData("https://edge.microsoft.com/translate/auth");
-    exp = parseMSToken(token);
-    await setMsauth({ token, exp });
-    return [token, exp];
+    tokenPromise = fetchNewToken();
+    const result = await tokenPromise;
+    return result.token;
   };
 };