Typeseedcordv0.13.0

IsUnion

Returns a boolean for whether the given type is a union.

type IsUnion<T> = InternalIsUnion<T>;

type IsUnion<T> = InternalIsUnion<T>;

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

type A = IsUnion<string | number>;
//=> true

type B = IsUnion<string>;
//=> false

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

type A = IsUnion<string | number>;
//=> true

type B = IsUnion<string>;
//=> false

Typeseedcordv0.13.0

Returns a boolean for whether the given type is a union.

type IsUnion<T> = InternalIsUnion<T>;

type IsUnion<T> = InternalIsUnion<T>;

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

type A = IsUnion<string | number>;
//=> true

type B = IsUnion<string>;
//=> false

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

type A = IsUnion<string | number>;
//=> true

type B = IsUnion<string>;
//=> false