Type Alias UnionToIntersection<Union>

UnionToIntersection: (
    Union extends unknown ? (distributedUnion: Union) => void : never
) extends (mergedIntersection: infer Intersection) => void
    ? Intersection & Union
    : never

Convert a union type to an intersection type using distributive conditional types.

Inspired by this Stack Overflow answer.

Type Parameters

Union

Example

import type {UnionToIntersection} from 'type-fest';

type Union = {the(): void} | {great(arg: string): void} | {escape: boolean};

type Intersection = UnionToIntersection<Union>;
//=> {the(): void} & {great(arg: string): void} & {escape: boolean}

Type Alias UnionToIntersection<Union>

Type Parameters

Example

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