[github/Chocobozzz/PeerTube.git] / server / typings / utils.ts

export type FunctionPropertyNames<T> = {
  [K in keyof T]: T[K] extends Function ? K : never
}[keyof T]

export type FunctionProperties<T> = Pick<T, FunctionPropertyNames<T>>

export type PickWith<T, KT extends keyof T, V> = {
  [P in KT]: T[P] extends V ? V : never
}

export type PickWithOpt<T, KT extends keyof T, V> = {
  [P in KT]?: T[P] extends V ? V : never
}

// https://github.com/krzkaczor/ts-essentials Rocks!
export type DeepPartial<T> = {
  [P in keyof T]?: T[P] extends Array<infer U>
    ? Array<DeepPartial<U>>
    : T[P] extends ReadonlyArray<infer U>
      ? ReadonlyArray<DeepPartial<U>>
      : DeepPartial<T[P]>
}
Commit	Line	Data
	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	}