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webshrine / stdtyp/src / Required

Type Alias: Required<T, K> ​

Required<T, K>: Omit<T, K> & Required<Pick<T, K>>

Required

Type Parameters ​

• T extends object

• K extends keyof T = keyof T

Desc ​

From T make a set of properties by key K become required

Example ​

ts
type Props = {
     name?: string;
     age?: number;
     visible?: boolean;
   };

   // Expect: { name: string; age: number; visible: boolean; }
   type Props = Required<Props>;

   // Expect: { name?: string; age: number; visible: boolean; }
   type Props = Required<Props, 'age' | 'visible'>;

Defined in ​

node_modules/.pnpm/utility-types@3.11.0/node_modules/utility-types/dist/mapped-types.d.ts:497