PartialX

Category

X Series

Alias

RequiredByKeys

Constructs a type by setting the properties specified by K(string literal or union of string literals) to required from T.

Usage

import type { RequiredX } from '@utype/core'

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

// Expect: { name: string; age: number; visible?: boolean; }
type RequiredXProp = RequiredX<Prop, 'name' | 'age'>
// @ts-expect-error
type Error = RequiredX<Prop, "sports">