react_ujs.js in react-rails-2.3.1

- old
+ new

@@ -117,10 +117,10 @@
 // see what things are globally available
 // and setup event handlers to those things
 module.exports = function(ujs) {
   if (ujs.handleEvent) {
     // We're calling this a second time -- remove previous handlers
-    if (typeof Turbolinks.EVENTS !== "undefined") {
+    if (typeof Turbolinks !== "undefined" && typeof Turbolinks.EVENTS !== "undefined") {
       turbolinksClassicEvents.teardown(ujs);
     }
     turbolinksEvents.teardown(ujs);
     turbolinksClassicDeprecatedEvents.teardown(ujs);
     pjaxEvents.teardown(ujs);
\ No newline at end of file