fix

book/node_modules/lodash/_baseShuffle.js

@@ -0,0 +1,15 @@
+var shuffleSelf = require('./_shuffleSelf'),
+    values = require('./values');
+
+/**
+ * The base implementation of `_.shuffle`.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to shuffle.
+ * @returns {Array} Returns the new shuffled array.
+ */
+function baseShuffle(collection) {
+  return shuffleSelf(values(collection));
+}
+
+module.exports = baseShuffle;