ts-essentials/dist/mark-optional/index.d.ts

All essential TypeScript types in one place

import { OptionalKeys } from "../optional-keys";
import { Prettify } from "../prettify";
export type MarkOptional<Type, Keys extends keyof Type> = Type extends Type ? Extract<Prettify<Partial<Type> & Required<Omit<Type, Keys | OptionalKeys<Type>>>>, Partial<Type>> : never;