/** | |
* 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; |