Merge pull request mozilla#7652 from Snuffleupagus/resize-event-handl…

…er-prevent-error-before-eventBus-initialized Prevent errors if the 'resize' event is fired before the `eventBus` has been initialized
tonytlwu · Sep 21, 2016 · 431af8c · 431af8c
2 parents 15e1ae4 + 1a2f142
commit 431af8c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/web/app.js b/web/app.js
@@ -1803,6 +1803,9 @@ function webViewerUpdateViewarea(e) {
 }
 
 window.addEventListener('resize', function webViewerResize(evt) {
+  if (!PDFViewerApplication.eventBus) {
+    return;
+  }
   PDFViewerApplication.eventBus.dispatch('resize');
 });