ts-toolbelt
Version:
TypeScript's largest utility library
15 lines (14 loc) • 451 B
TypeScript
import { Cast } from '../Any/Cast';
import { OptionalPart } from '../Object/Optional';
import { Depth } from '../Object/_Internal';
import { List } from './List';
/**
* Make `L` optional (deeply or not)
* @param L to make optional
* @param depth (?=`'flat'`) 'deep' to do it deeply
* @returns [[List]]
* @example
* ```ts
* ```
*/
export declare type Optional<L extends List, depth extends Depth = 'flat'> = Cast<OptionalPart<L, depth>, List>;