flow like the river

BACK_BACK/node_modules/regenerator-transform/lib/index.js

@@ -0,0 +1,29 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = _default;
+var _visit = require("./visit");
+/**
+ * Copyright (c) 2014-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+function _default(context) {
+  var plugin = {
+    visitor: (0, _visit.getVisitor)(context)
+  };
+
+  // Some presets manually call child presets, but fail to pass along the
+  // context object. Out of an abundance of caution, we verify that it
+  // exists first to avoid causing unnecessary breaking changes.
+  var version = context && context.version;
+
+  // The "name" property is not allowed in older versions of Babel (6.x)
+  // and will cause the plugin validator to throw an exception.
+  if (version && parseInt(version, 10) >= 7) {
+    plugin.name = "regenerator-transform";
+  }
+  return plugin;
+}