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webshrine / stdtyp/src / NonNullableDeep

Type Alias: NonNullableDeep<T> ​

NonNullableDeep<T>: T extends (...args) => any ? T : T extends any[] ? _DeepNonNullableArray<T[number]> : T extends object ? _DeepNonNullableObject<T> : T

DeepNonNullable

Type Parameters ​

• T

Desc ​

NonNullable that works for deeply nested structure

Example ​

ts
// Expect: {
  //   first: {
  //     second: {
  //       name: string;
  //     };
  //   };
  // }
  type NestedProps = {
    first?: null | {
      second?: null | {
        name?: string | null |
        undefined;
      };
    };
  };
  type RequiredNestedProps = DeepNonNullable<NestedProps>;

Defined in ​

node_modules/.pnpm/utility-types@3.11.0/node_modules/utility-types/dist/mapped-types.d.ts:376