Variable groupAsyncConst

Type Declaration

• • <T, TKey extends string | number | symbol>(
        keySelector: (entry: T) => TKey,
    ): AsyncCollectorFunction<T, Record<TKey, T[]>>

  • Returns a collector that creates a group of entries where the group key is calculated by the selector function.

    Type Parameters

    • T

      Type of items in the source.

    • TKey extends string | number | symbol

      Type of the group key.

    Parameters

    • keySelector: (entry: T) => TKey

      A function that returns the group key for each entry.

    Returns AsyncCollectorFunction<T, Record<TKey, T[]>>

    Collector that creates a group of entries where the group key is calculated by the selector function.

    Example

    const result = groupByRecordAsync((x) => x % 2)([1, 2, 3]);
    console.log(result); // { 1 => [1, 3], 0 => [2] }
    Copy