feat(projects): 添加请求适配adapter层应用的示例页面

src/typings/utils.d.ts

@@ -7,15 +7,9 @@ declare namespace TypeUtil {
 
   type GetFunReturn<F extends Noop> = F extends (...args: any) => infer R ? R : never;
 
+  type Writable<T> = { [K in keyof T]: T[K] };
+
   type FirstOfArray<T extends any[]> = T extends [infer First, ...infer _Rest] ? First : never;
 
   type LastOfArray<T extends any[]> = T extends [...infer _Rest, infer Last] ? Last : never;
-
-  type ArrayToUnion<T extends any[]> = T extends [infer First, ...infer Rest]
-    ? First extends any
-      ? Rest extends any[]
-        ? FirstOfArray<[First]> | ArrayToUnion<Rest>
-        : [First]
-      : never
-    : never;
 }