refactor(projects): axios封装完成

src/service/request/helpers/handler.ts

@@ -1,16 +1,26 @@
-// type ResultHandler<T> = (...arg: any) => T;
-// type SuccessRequest<T> = {
-//   error: null;
-//   data: T;
-// };
-// type FailRequest = {
-//   error: any;
-//   data: null;
-// };
-// type RequestResult<T> = SuccessRequest<T> | FailRequest;
-// /**
-//  * 对请求的结果数据进行格式化的处理
-//  * @param handleFunc - 处理函数
-//  * @param requests - 请求结果
-//  */
-// export function handleResponse<ResponseData>(resultHandler: ResultHandler<ResponseData>, requests: RequestResult[]) {}
+import { CustomRequestResult, CustomSuccessRequestResult, CustomFailRequestResult } from '@/interface';
+
+type ResultHandler<T> = (...arg: any) => T;
+/**
+ * 对请求的结果数据进行格式化的处理
+ * @param resultHandler - 处理函数
+ * @param requests - 请求结果
+ */
+export function resultMiddleware<MiddlewareData>(
+  resultHandler: ResultHandler<MiddlewareData>,
+  requests: CustomRequestResult<any>[]
+) {
+  const errorIndex = requests.findIndex(item => item.error !== null);
+  const hasError = errorIndex > -1;
+  const successResult: CustomSuccessRequestResult<MiddlewareData> = {
+    data: resultHandler(...requests.map(item => item.data)),
+    error: null,
+    networkStatus: window.navigator.onLine
+  };
+  const failResult: CustomFailRequestResult = {
+    data: null,
+    error: requests[errorIndex].error!,
+    networkStatus: window.navigator.onLine
+  };
+  return hasError ? failResult : successResult;
+}