/**
 * lodash 3.8.1 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/** Used for native method references. */
var arrayProto = Array.prototype;

/** Native method references. */
var splice = arrayProto.splice;

/**
 * Used as the [maximum length](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
 * of an array-like value.
 */
var MAX_SAFE_INTEGER = 9007199254740991;

/**
 * The base implementation of `_.pullAt` without support for individual
 * index arguments and capturing the removed elements.
 *
 * @private
 * @param {Array} array The array to modify.
 * @param {number[]} indexes The indexes of elements to remove.
 * @returns {Array} Returns `array`.
 */
function basePullAt(array, indexes) {
  var length = array ? indexes.length : 0;
  while (length--) {
    var index = indexes[length];
    if (index != previous && isIndex(index)) {
      var previous = index;
      splice.call(array, index, 1);
    }
  }
  return array;
}

/**
 * Checks if `value` is a valid array-like index.
 *
 * @private
 * @param {*} value The value to check.
 * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
 * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
 */
function isIndex(value, length) {
  value = typeof value == 'number' ? value : parseFloat(value);
  length = length == null ? MAX_SAFE_INTEGER : length;
  return value > -1 && value % 1 == 0 && value < length;
}

module.exports = basePullAt;