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Only attempt to scrollTop if element is available.

Browse source 
In later versions of Ember, the views and components can be stable
and are not guaranteed to be torn down before a new controller is
set on them.

In this case, the controller is initially set before the element has been
rendered to the DOM causing errors when invoking `closest` on undefined.
This commit is contained in:
Robert Jackson 2015-05-05 15:38:57 -04:00
parent 9250273d8d
commit a0a1763137
1 changed files with 5 additions and 1 deletions
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6
app/views/content-preview-content-view.js
View file

@ -13,7 +13,11 @@ var PostContentView = Ember.View.extend({
},
contentObserver: function () {
this.$().closest('.content-preview').scrollTop(0);
var el = this.$();
if (el) {
el.closest('.content-preview').scrollTop(0);
}
}.observes('controller.content'),
willDestroyElement: function () {