Function groupBy

  • groupBy(
        collection: unknown[],
        keyFn: Callback,
        hashFunction?: HashFunction,
    ): Map<Any, Any[]>

  • Groups the collection into sets by the returned key

    Parameters

    • collection: unknown[]
    • keyFn: Callback

      {Function} to compute the group key of an item in the collection

    • hashFunction: HashFunction = DEFAULT_HASH_FUNCTION

    Returns Map<Any, Any[]>

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