/**

* Copies the values of `source` to `array`.
*
* @private
* @param {Array} source The array to copy values from.
* @param {Array} [array=[]] The array to copy values to.
* @returns {Array} Returns `array`.
*/

function copyArray(source, array) {

var index = -1,
    length = source.length;

array || (array = Array(length));
while (++index < length) {
  array[index] = source[index];
}
return array;

}

module.exports = copyArray;