Merge pull request #2097 from cramforce/saucy

Be robust against promise callbacks running when window was already destroyed.
ampproject · Feb 18, 2016 · 3cda03b · 3cda03b
2 parents 6d3ad24 + 96d96bf
commit 3cda03b
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/service/resources-impl.js b/src/service/resources-impl.js
@@ -541,6 +541,11 @@ export class Resources {
       log.fine(TAG_, 'runtime is off');
       return;
     }
+    // Sometimes in Safari these passes run after the document has already been
+    // destroyed. To avoid errors we bail out here.
+    if (!this.win.document) {
+      return;
+    }
 
     const prevVisible = this.visible_;
     this.visible_ = this.viewer_.isVisible();