HORIZON PROJECT

var baseRest = require('./_baseRest'),

    unzipWith = require('./unzipWith');

/**

 * This method is like `_.zip` except that it accepts `iteratee` to specify

 * how grouped values should be combined. The iteratee is invoked with the

 * elements of each group: (...group).

 *

 * @static

 * @memberOf _

 * @since 3.8.0

 * @category Array

 * @param {...Array} [arrays] The arrays to process.

 * @param {Function} [iteratee=_.identity] The function to combine

 *  grouped values.

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

 * @example

 *

 * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {

 *   return a + b + c;

 * });

 * // => [111, 222]

 */

var zipWith = baseRest(function(arrays) {

  var length = arrays.length,

      iteratee = length > 1 ? arrays[length - 1] : undefined;

  iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;

  return unzipWith(arrays, iteratee);

});

module.exports = zipWith;