vtils

Home > types > RequiredDeep

RequiredDeep type

Like Required but recursive

Signature:

export declare type RequiredDeep<T> = T extends Builtin
  ? NonNullable<T>
  : T extends Map<infer K, infer V>
  ? Map<RequiredDeep<K>, RequiredDeep<V>>
  : T extends ReadonlyMap<infer K, infer V>
  ? ReadonlyMap<RequiredDeep<K>, RequiredDeep<V>>
  : T extends WeakMap<infer K, infer V>
  ? WeakMap<RequiredDeep<K>, RequiredDeep<V>>
  : T extends Set<infer U>
  ? Set<RequiredDeep<U>>
  : T extends ReadonlySet<infer U>
  ? ReadonlySet<RequiredDeep<U>>
  : T extends WeakSet<infer U>
  ? WeakSet<RequiredDeep<U>>
  : T extends Promise<infer U>
  ? Promise<RequiredDeep<U>>
  : T extends {}
  ? {
      [K in keyof T]-?: RequiredDeep<T[K]>;
    }
  : NonNullable<T>;

References: RequiredDeep

This site is open source. Improve this page.