feat(testing): expose all types for util mocked (#2096)

Closes #2086

Author: ahnpnl

src/utils/testing.ts

@@ -1,23 +1,23 @@
-type MockableFunction = (...args: any[]) => any
-type MethodKeysOf<T> = { [K in keyof T]: T[K] extends MockableFunction ? K : never }[keyof T]
-type PropertyKeysOf<T> = { [K in keyof T]: T[K] extends MockableFunction ? never : K }[keyof T]
-type ArgumentsOf<T> = T extends (...args: infer A) => any ? A : never
-type ConstructorArgumentsOf<T> = T extends new (...args: infer A) => any ? A : never
+export type MockableFunction = (...args: any[]) => any
+export type MethodKeysOf<T> = { [K in keyof T]: T[K] extends MockableFunction ? K : never }[keyof T]
+export type PropertyKeysOf<T> = { [K in keyof T]: T[K] extends MockableFunction ? never : K }[keyof T]
+export type ArgumentsOf<T> = T extends (...args: infer A) => any ? A : never
+export type ConstructorArgumentsOf<T> = T extends new (...args: infer A) => any ? A : never
 
-interface MockWithArgs<T extends MockableFunction> extends jest.MockInstance<ReturnType<T>, ArgumentsOf<T>> {
+export interface MockWithArgs<T extends MockableFunction> extends jest.MockInstance<ReturnType<T>, ArgumentsOf<T>> {
   new (...args: ConstructorArgumentsOf<T>): T
   (...args: ArgumentsOf<T>): ReturnType<T>
 }
 
-type MaybeMockedConstructor<T> = T extends new (...args: any[]) => infer R
+export type MaybeMockedConstructor<T> = T extends new (...args: any[]) => infer R
   ? jest.MockInstance<R, ConstructorArgumentsOf<T>>
   : T
-type MockedFunction<T extends MockableFunction> = MockWithArgs<T> & { [K in keyof T]: T[K] }
-type MockedFunctionDeep<T extends MockableFunction> = MockWithArgs<T> & MockedObjectDeep<T>
-type MockedObject<T> = MaybeMockedConstructor<T> &
+export type MockedFunction<T extends MockableFunction> = MockWithArgs<T> & { [K in keyof T]: T[K] }
+export type MockedFunctionDeep<T extends MockableFunction> = MockWithArgs<T> & MockedObjectDeep<T>
+export type MockedObject<T> = MaybeMockedConstructor<T> &
   { [K in MethodKeysOf<T>]: T[K] extends MockableFunction ? MockedFunction<T[K]> : T[K] } &
   { [K in PropertyKeysOf<T>]: T[K] }
-type MockedObjectDeep<T> = MaybeMockedConstructor<T> &
+export type MockedObjectDeep<T> = MaybeMockedConstructor<T> &
   { [K in MethodKeysOf<T>]: T[K] extends MockableFunction ? MockedFunctionDeep<T[K]> : T[K] } &
   { [K in PropertyKeysOf<T>]: MaybeMockedDeep<T[K]> }