HORIZON PROJECT

var arrayFilter = require('./_arrayFilter'),

    arrayMap = require('./_arrayMap'),

    baseProperty = require('./_baseProperty'),

    baseTimes = require('./_baseTimes'),

    isArrayLikeObject = require('./isArrayLikeObject');

/* Built-in method references for those with the same name as other `lodash` methods. */

var nativeMax = Math.max;

/**

 * This method is like `_.zip` except that it accepts an array of grouped

 * elements and creates an array regrouping the elements to their pre-zip

 * configuration.

 *

 * @static

 * @memberOf _

 * @since 1.2.0

 * @category Array

 * @param {Array} array The array of grouped elements to process.

 * @returns {Array} Returns the new array of regrouped elements.

 * @example

 *

 * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);

 * // => [['a', 1, true], ['b', 2, false]]

 *

 * _.unzip(zipped);

 * // => [['a', 'b'], [1, 2], [true, false]]

 */

function unzip(array) {

  if (!(array && array.length)) {

    return [];

  }

  var length = 0;

  array = arrayFilter(array, function(group) {

    if (isArrayLikeObject(group)) {

      length = nativeMax(group.length, length);

      return true;

    }

  });

  return baseTimes(length, function(index) {

    return arrayMap(array, baseProperty(index));

  });

}

module.exports = unzip;