mirror of https://github.com/Chocobozzz/PeerTube
46 lines
1.4 KiB
TypeScript
46 lines
1.4 KiB
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 AttributesOnly<T> = {
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[K in keyof T]: T[K] extends Function ? never : T[K]
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}
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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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type Primitive = string | Function | number | boolean | symbol | undefined | null
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export type DeepOmitHelper<T, K extends keyof T> = {
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[P in K]: // extra level of indirection needed to trigger homomorhic behavior
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T[P] extends infer TP // distribute over unions
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? TP extends Primitive
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? TP // leave primitives and functions alone
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: TP extends any[]
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? DeepOmitArray<TP, K> // Array special handling
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: DeepOmit<TP, K>
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: never
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}
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export type DeepOmit<T, K> = T extends Primitive ? T : DeepOmitHelper<T, Exclude<keyof T, K>>
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export type DeepOmitArray<T extends any[], K> = {
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[P in keyof T]: DeepOmit<T[P], K>
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}
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