ts-toolbelt
Version:
TypeScript's largest utility library
21 lines (20 loc) • 603 B
TypeScript
import { Partial as OPartial } from '../Object/Partial';
import { Depth } from '../Object/_Internal';
import { Cast } from '../Any/Cast';
import { List } from './List';
/**
* Make all fields of `O` optional (deeply or not)
* @param L to make optional
* @param depth (?=`'flat'`) 'deep' to do it deeply
* @returns [[List]]
* @example
* ```ts
* import {O} from 'ts-toolbelt'
*
* type L = [1, 2, 3, [4, [5]]]
*
* type test0 = O.Partial<L>
* type test1 = O.Partial<L, 'deep'>
* ```
*/
export declare type Partial<L extends List, depth extends Depth = 'flat'> = Cast<OPartial<L, depth>, List>;