updated package.json

node_modules/is-buffer/index.js

@@ -0,0 +1,17 @@
+/**
+ * Determine if an object is Buffer
+ *
+ * Author:   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * License:  MIT
+ *
+ * `npm install is-buffer`
+ */
+
+module.exports = function (obj) {
+  return !!(obj != null &&
+    (obj._isBuffer || // For Safari 5-7 (missing Object.prototype.constructor)
+      (obj.constructor &&
+      typeof obj.constructor.isBuffer === 'function' &&
+      obj.constructor.isBuffer(obj))
+    ))
+}