Type Alias ListLike<T, I>

ListLike:
    | T[]
    | ReadonlyArray<T>
    | Record<I, T>
    | Set<T>
    | ReadonlySet<T>
    | Map<I, T>
    | ReadonlyMap<I, T>
    | Iterable<T>

List-like structures: arrays, records, sets, maps and iterables. This union is useful when an API accepts any iterable/collection of values.

Includes mutable and readonly arrays
Includes Record keyed collections
Includes Set and Map variants

Type Parameters

T = any
I extends string | number = string | number

Example

type MyList = ListLike<number>;
// number[] | ReadonlyArray<number> | ... | Iterable<number>