Type Alias IsListLike<T>

IsListLike: T extends Primitive ? false : T extends ListLike ? true : false

Type guard: detect whether a type is a list-like.

Type Parameters

T
Type to test

Remarks

Conservative structural check against known list-like shapes.

Example

type A = IsListLike< number[] >;                  // true
type B = IsListLike< Record< string, number > >;  // true
type C = IsListLike< string >;                    // false