Modularize master branch.

xor.js

@@ -0,0 +1,28 @@
+import arrayFilter from './_arrayFilter.js';
+import baseRest from './_baseRest.js';
+import baseXor from './_baseXor.js';
+import isArrayLikeObject from './isArrayLikeObject.js';
+
+/**
+ * Creates an array of unique values that is the
+ * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
+ * of the given arrays. The order of result values is determined by the order
+ * they occur in the arrays.
+ *
+ * @static
+ * @memberOf _
+ * @since 2.4.0
+ * @category Array
+ * @param {...Array} [arrays] The arrays to inspect.
+ * @returns {Array} Returns the new array of filtered values.
+ * @see _.difference, _.without
+ * @example
+ *
+ * _.xor([2, 1], [2, 3]);
+ * // => [1, 3]
+ */
+var xor = baseRest(function(arrays) {
+  return baseXor(arrayFilter(arrays, isArrayLikeObject));
+});
+
+export default xor;