PickByValue

Constructs a type by picking all entries of T whose values extend V.

Optional properties are matched by their non-nullable value type, so an optional string property is picked the same as a required one.

Available since v3.0.0

Import

import type { PickByValue } from '@helpers4/type';

Type Definition

type PickByValue<T, V> = Pick<T, KeysOfType<T, V>>

Examples

PickByValue

type Form = { name: string; age: number; email: string; active: boolean };
type StringFields = PickByValue<Form, string>; // { name: string; email: string }

Source

View source on GitHub