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affects: @userlike/joke C/p mocked types from ts-jest BREAKING CHANGE: New mocked types carry the risk of breaking existing code ISSUES CLOSED: #13
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/** | ||
https://github.com/kulshekhar/ts-jest/blob/master/LICENSE.md | ||
MIT License | ||
Copyright (c) 2016-2018 | ||
Copyright (c) 2020 Userlike | ||
Permission is hereby granted, free of charge, to any person obtaining a copy | ||
of this software and associated documentation files (the "Software"), to deal | ||
in the Software without restriction, including without limitation the rights | ||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
copies of the Software, and to permit persons to whom the Software is | ||
furnished to do so, subject to the following conditions: | ||
The above copyright notice and this permission notice shall be included in all | ||
copies or substantial portions of the Software. | ||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
SOFTWARE. | ||
*/ | ||
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/* eslint-disable @typescript-eslint/no-explicit-any */ | ||
/* eslint-disable @typescript-eslint/ban-types */ | ||
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type Fn = (...args: any[]) => any; | ||
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type MethodKeysOf<T> = { | ||
[K in keyof T]: T[K] extends Fn ? K : never; | ||
}[keyof T]; | ||
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type PropertyKeysOf<T> = { | ||
[K in keyof T]: T[K] extends Fn ? never : K; | ||
}[keyof T]; | ||
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type ArgumentsOf<T> = T extends (...args: infer A) => any ? A : never; | ||
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type ConstructorArgumentsOf<T> = T extends new (...args: infer A) => any | ||
? A | ||
: never; | ||
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interface MockWithArgs<T extends Fn> | ||
extends jest.MockInstance<ReturnType<T>, ArgumentsOf<T>> { | ||
new (...args: ConstructorArgumentsOf<T>): T; | ||
(...args: ArgumentsOf<T>): ReturnType<T>; | ||
} | ||
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type MaybeMockedConstructor<T> = T extends new (...args: any[]) => infer R | ||
? jest.MockInstance<R, ConstructorArgumentsOf<T>> | ||
: T; | ||
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type MockedFunctionDeep<T extends Fn> = MockWithArgs<T> & MockedObjectDeep<T>; | ||
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type MockedObjectDeep<T> = MaybeMockedConstructor<T> & | ||
{ | ||
[K in MethodKeysOf<T>]: T[K] extends Fn ? MockedFunctionDeep<T[K]> : T[K]; | ||
} & | ||
{ [K in PropertyKeysOf<T>]: Mocked<T[K]> }; | ||
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type Mocked_<T> = T extends Fn | ||
? MockedFunctionDeep<T> | ||
: T extends object | ||
? MockedObjectDeep<T> | ||
: T; | ||
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export type Mocked<T> = { | ||
[K in keyof T]: Mocked_<T[K]>; | ||
}; |