Improve code quality and write tests

node_modules/lodash/_castArrayLikeObject.js

@@ -0,0 +1,14 @@
+var isArrayLikeObject = require('./isArrayLikeObject');
+
+/**
+ * Casts `value` to an empty array if it's not an array like object.
+ *
+ * @private
+ * @param {*} value The value to inspect.
+ * @returns {Array|Object} Returns the cast array-like object.
+ */
+function castArrayLikeObject(value) {
+  return isArrayLikeObject(value) ? value : [];
+}
+
+module.exports = castArrayLikeObject;