type-helpers.ts13 lines · main

1	export type PlainObject<Value = unknown> = Record<string | number | symbol, Value>
2
3	export type Prettify<T> = { [K in keyof T]: T[K] } & {}
4
5	type Primitive = string | number | bigint | boolean | symbol | null | undefined
6
7	export type DeepReadonly<T> = T extends Primitive
8	? T
9	: T extends (infer R)[]
10	? ReadonlyArray<DeepReadonly<R>>
11	: T extends object
12	? { readonly [K in keyof T]: DeepReadonly<T[K]> }
13	: T