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var arrayMap = require('./_arrayMap'), | |
baseAt = require('./_baseAt'), | |
basePullAt = require('./_basePullAt'), | |
compareAscending = require('./_compareAscending'), | |
flatRest = require('./_flatRest'), | |
isIndex = require('./_isIndex'); | |
/** | |
* Removes elements from `array` corresponding to `indexes` and returns an | |
* array of removed elements. | |
* | |
* **Note:** Unlike `_.at`, this method mutates `array`. | |
* | |
* @static | |
* @memberOf _ | |
* @since 3.0.0 | |
* @category Array | |
* @param {Array} array The array to modify. | |
* @param {...(number|number[])} [indexes] The indexes of elements to remove. | |
* @returns {Array} Returns the new array of removed elements. | |
* @example | |
* | |
* var array = ['a', 'b', 'c', 'd']; | |
* var pulled = _.pullAt(array, [1, 3]); | |
* | |
* console.log(array); | |
* // => ['a', 'c'] | |
* | |
* console.log(pulled); | |
* // => ['b', 'd'] | |
*/ | |
var pullAt = flatRest(function(array, indexes) { | |
var length = array == null ? 0 : array.length, | |
result = baseAt(array, indexes); | |
basePullAt(array, arrayMap(indexes, function(index) { | |
return isIndex(index, length) ? +index : index; | |
}).sort(compareAscending)); | |
return result; | |
}); | |
module.exports = pullAt; | |