xor.js
960 Bytes
define(['../internal/arrayPush', '../internal/baseDifference', '../internal/baseUniq', '../internal/isArrayLike'], function(arrayPush, baseDifference, baseUniq, isArrayLike) {
/**
* Creates an array of unique values that is the [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
* of the provided arrays.
*
* @static
* @memberOf _
* @category Array
* @param {...Array} [arrays] The arrays to inspect.
* @returns {Array} Returns the new array of values.
* @example
*
* _.xor([1, 2], [4, 2]);
* // => [1, 4]
*/
function xor() {
var index = -1,
length = arguments.length;
while (++index < length) {
var array = arguments[index];
if (isArrayLike(array)) {
var result = result
? arrayPush(baseDifference(result, array), baseDifference(array, result))
: array;
}
}
return result ? baseUniq(result) : [];
}
return xor;
});