webshrine / stdtyp/src / ValuesType

Type Alias: ValuesType<T>

ValuesType<T>: T extends ReadonlyArray<any> ? T[number] : T extends ArrayLike<any> ? T[number] : T extends object ? T[keyof T] : never

ValuesType

Type Parameters

• T extends ReadonlyArray<any> | ArrayLike<any> | Record<any, any>

Desc

Get the union type of all the values in an object, array or array-like type T

Example

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

   type NumberArray = number[];
   // Expect: number
   type NumberItems = ValuesType<NumberArray>;

   type ReadonlySymbolArray = readonly symbol[];
   // Expect: symbol
   type SymbolItems = ValuesType<ReadonlySymbolArray>;

   type NumberTuple = [1, 2];
   // Expect: 1 | 2
   type NumberUnion = ValuesType<NumberTuple>;

   type ReadonlyNumberTuple = readonly [1, 2];
   // Expect: 1 | 2
   type AnotherNumberUnion = ValuesType<NumberTuple>;

   type BinaryArray = Uint8Array;
   // Expect: number
   type BinaryItems = ValuesType<BinaryArray>;

Defined in

node_modules/.pnpm/utility-types@3.11.0/node_modules/utility-types/dist/mapped-types.d.ts:480