rc-js-util/src/array/impl/array-collect.ts

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

/**
 * @public
 * Like `Array.reduce` but without the requirement to return the value in the callback.
 *
 * @remarks
 * See {@link arrayCollect}.
 */
export function arrayCollect<TRet, TItem>
(
    items: ArrayLike<TItem>,
    collected: TRet,
    collect: (collected: TRet, item: TItem, index: number) => void
)
    : TRet
{
    for (let i = 0, iEnd = items.length; i < iEnd; ++i)
    {
        collect(collected, items[i], i);
    }

    return collected;
}