MDL-35978 comments: fix for comments block which has no toggler

mpetrowi · Jan 31, 2017 · bb80768 · bb80768
1 parent af65270
commit bb80768
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/comment/comment.js b/comment/comment.js
@@ -358,7 +358,9 @@ M.core_comment = {
                     if (img) {
                         img.set('src', M.util.image_url('t/expanded', 'core'));
                     }
-                    commenttoggler.setAttribute('aria-expanded', 'true');
+                    if (commenttoggler) {
+                        commenttoggler.setAttribute('aria-expanded', 'true');
+                    }
                 } else {
                     // hide
                     container.setStyle('display', 'none');
@@ -372,7 +374,9 @@ M.core_comment = {
                     if (ta) {
                         ta.set('value','');
                     }
-                    commenttoggler.setAttribute('aria-expanded', 'false');
+                    if (commenttoggler) {
+                        commenttoggler.setAttribute('aria-expanded', 'false');
+                    }
                 }
                 if (ta) {
                     //toggle_textarea.apply(ta, [false]);