reorder.js
1021 Bytes
define(['./arrayCopy', './isIndex'], function(arrayCopy, isIndex) {
/** Used as a safe reference for `undefined` in pre-ES5 environments. */
var undefined;
/* Native method references for those with the same name as other `lodash` methods. */
var nativeMin = Math.min;
/**
* Reorder `array` according to the specified indexes where the element at
* the first index is assigned as the first element, the element at
* the second index is assigned as the second element, and so on.
*
* @private
* @param {Array} array The array to reorder.
* @param {Array} indexes The arranged array indexes.
* @returns {Array} Returns `array`.
*/
function reorder(array, indexes) {
var arrLength = array.length,
length = nativeMin(indexes.length, arrLength),
oldArray = arrayCopy(array);
while (length--) {
var index = indexes[length];
array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
}
return array;
}
return reorder;
});