Type Alias UnionOmit<U, T>

UnionOmit: U extends T ? never : U

Omit specific members from a union by type.

Type Parameters

U
A union type
T
The type to exclude from the union

Since

1.1.0

Remarks

Excludes union members that extend a given type. Complementary to UnionPick, useful for narrowing unions.

Example

type U = string | number | boolean | null;
type Filtered = UnionOmit< U, string | null >; // number | boolean