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Commit | Line | Data |
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1 | export type FunctionPropertyNames<T> = { | |
2 | [K in keyof T]: T[K] extends Function ? K : never | |
3 | }[keyof T] | |
4 | ||
5 | export type FunctionProperties<T> = Pick<T, FunctionPropertyNames<T>> | |
6 | ||
7 | export type PickWith<T, KT extends keyof T, V> = { | |
8 | [P in KT]: T[P] extends V ? V : never | |
9 | } | |
10 | ||
11 | export type PickWithOpt<T, KT extends keyof T, V> = { | |
12 | [P in KT]?: T[P] extends V ? V : never | |
13 | } | |
14 | ||
15 | // https://github.com/krzkaczor/ts-essentials Rocks! | |
16 | export type DeepPartial<T> = { | |
17 | [P in keyof T]?: T[P] extends Array<infer U> | |
18 | ? Array<DeepPartial<U>> | |
19 | : T[P] extends ReadonlyArray<infer U> | |
20 | ? ReadonlyArray<DeepPartial<U>> | |
21 | : DeepPartial<T[P]> | |
22 | } |