mirror of
https://github.com/cachix/install-nix-action.git
synced 2024-11-22 08:30:51 +00:00
27 lines
787 B
JavaScript
27 lines
787 B
JavaScript
|
/**
|
||
|
* A specialized version of `_.reduce` for arrays without support for
|
||
|
* iteratee shorthands.
|
||
|
*
|
||
|
* @private
|
||
|
* @param {Array} [array] The array to iterate over.
|
||
|
* @param {Function} iteratee The function invoked per iteration.
|
||
|
* @param {*} [accumulator] The initial value.
|
||
|
* @param {boolean} [initAccum] Specify using the first element of `array` as
|
||
|
* the initial value.
|
||
|
* @returns {*} Returns the accumulated value.
|
||
|
*/
|
||
|
function arrayReduce(array, iteratee, accumulator, initAccum) {
|
||
|
var index = -1,
|
||
|
length = array == null ? 0 : array.length;
|
||
|
|
||
|
if (initAccum && length) {
|
||
|
accumulator = array[++index];
|
||
|
}
|
||
|
while (++index < length) {
|
||
|
accumulator = iteratee(accumulator, array[index], index, array);
|
||
|
}
|
||
|
return accumulator;
|
||
|
}
|
||
|
|
||
|
module.exports = arrayReduce;
|