optimize(request): enhance request options and response handling with generic types

src/service/request/index.ts

@@ -10,7 +10,7 @@ import type { RequestInstanceState } from './type';
 const isHttpProxy = import.meta.env.DEV && import.meta.env.VITE_HTTP_PROXY === 'Y';
 const { baseURL, otherBaseURL } = getServiceBaseURL(import.meta.env, isHttpProxy);
 
-export const request = createFlatRequest<App.Service.Response, RequestInstanceState>(
+export const request = createFlatRequest(
   {
     baseURL,
     headers: {
@@ -18,6 +18,13 @@ export const request = createFlatRequest<App.Service.Response, RequestInstanceSt
     }
   },
   {
+    defaultState: {
+      errMsgStack: [],
+      refreshTokenPromise: null
+    } as RequestInstanceState,
+    transformBackendResponse(response: AxiosResponse<App.Service.Response<any>>) {
+      return response.data.data;
+    },
     async onRequest(config) {
       const Authorization = getAuthorization();
       Object.assign(config.headers, { Authorization });
@@ -91,9 +98,6 @@ export const request = createFlatRequest<App.Service.Response, RequestInstanceSt
 
       return null;
     },
-    transformBackendResponse(response) {
-      return response.data.data;
-    },
     onError(error) {
       // when the request is fail, you can show error message
 
@@ -123,11 +127,14 @@ export const request = createFlatRequest<App.Service.Response, RequestInstanceSt
   }
 );
 
-export const demoRequest = createRequest<App.Service.DemoResponse>(
+export const demoRequest = createRequest(
   {
     baseURL: otherBaseURL.demo
   },
   {
+    transformBackendResponse(response: AxiosResponse<App.Service.DemoResponse>) {
+      return response.data.result;
+    },
     async onRequest(config) {
       const { headers } = config;
 
@@ -147,9 +154,6 @@ export const demoRequest = createRequest<App.Service.DemoResponse>(
       // when the backend response code is not "200", it means the request is fail
       // for example: the token is expired, refresh token and retry request
     },
-    transformBackendResponse(response) {
-      return response.data.result;
-    },
     onError(error) {
       // when the request is fail, you can show error message
 

src/service/request/shared.ts

@@ -28,14 +28,14 @@ async function handleRefreshToken() {
 }
 
 export async function handleExpiredRequest(state: RequestInstanceState) {
-  if (!state.refreshTokenFn) {
-    state.refreshTokenFn = handleRefreshToken();
+  if (!state.refreshTokenPromise) {
+    state.refreshTokenPromise = handleRefreshToken();
   }
 
-  const success = await state.refreshTokenFn;
+  const success = await state.refreshTokenPromise;
 
   setTimeout(() => {
-    state.refreshTokenFn = null;
+    state.refreshTokenPromise = null;
   }, 1000);
 
   return success;

src/service/request/type.ts

@@ -1,6 +1,7 @@
 export interface RequestInstanceState {
-  /** whether the request is refreshing token */
-  refreshTokenFn: Promise<boolean> | null;
+  /** the promise of refreshing token */
+  refreshTokenPromise: Promise<boolean> | null;
   /** the request error message stack */
   errMsgStack: string[];
+  [key: string]: unknown;
 }