I am in the process of developing a versatile type that can accept an interface, type literal, or a class.
The desired outcome is for the resulting type to retain the original properties as well as have the methods set to jest.Mock
type MockedType<T> = /* TODO */ Record<keyof T, jest.Mock>
interface Foobar {
foo: string
bar(): void
}
declare const foobar: MockedType<Foobar>
foobar.foo // string
foobar.bar // jest.Mock
Here's a handy piece of code that might be useful:
// For testing purposes, use Mock instead of jest.Mock
type Mock = { mock: true }
type Mocked<T extends Object> = {
[K in keyof T]: T[K] extends Function ? Mock : T[K]
}
Check out an example on ts-playground
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