25 lines
687 B
TypeScript
25 lines
687 B
TypeScript
/* eslint-disable @typescript-eslint/array-type */
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export type FunctionPropertyNames<T> = {
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[K in keyof T]: T[K] extends Function ? K : never
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}[keyof T]
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export type FunctionProperties<T> = Pick<T, FunctionPropertyNames<T>>
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export type PickWith<T, KT extends keyof T, V> = {
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[P in KT]: T[P] extends V ? V : never
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}
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export type PickWithOpt<T, KT extends keyof T, V> = {
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[P in KT]?: T[P] extends V ? V : never
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}
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// https://github.com/krzkaczor/ts-essentials Rocks!
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export type DeepPartial<T> = {
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[P in keyof T]?: T[P] extends Array<infer U>
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? Array<DeepPartial<U>>
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: T[P] extends ReadonlyArray<infer U>
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? ReadonlyArray<DeepPartial<U>>
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: DeepPartial<T[P]>
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}
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