PopUnion TypeAlias

Gets the first item of a union type.

This API is reserved for internal system use and should not be imported directly. It may change at any time without notice.

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Signature

export type PopUnion<Union, AsOverloadedFunction = UnionToIntersection<Union extends unknown ? (f: Union) => void : never>> = AsOverloadedFunction extends (a: infer First) => void ? First : never;

Type Parameters

Parameter	Default	Description
Union		The union to convert.
AsOverloadedFunction	UnionToIntersection<Union extends unknown ? (f: Union) => void : never>	Implementation detail: do not specify.