add some packages

node_modules/babel-traverse/lib/hub.js

@@ -0,0 +1,19 @@
+"use strict";
+
+exports.__esModule = true;
+
+var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
+
+var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var Hub = function Hub(file, options) {
+  (0, _classCallCheck3.default)(this, Hub);
+
+  this.file = file;
+  this.options = options;
+};
+
+exports.default = Hub;
+module.exports = exports["default"];