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BUGFIX: suppress error when scrolling at bottom of topic

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fixes "Uncaught TypeError: Cannot call method 'get' of null" when 
scrolling at the bottom of the topic screen.
This commit is contained in:
Brad Wilson 2014-04-10 15:36:44 +10:00
parent cfc1444177
commit 629e6f4158
1 changed files with 4 additions and 0 deletions
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4
app/assets/javascripts/discourse/controllers/topic_controller.js
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@ -558,6 +558,8 @@ Discourse.TopicController = Discourse.ObjectController.extend(Discourse.Selected
@params {Discourse.Post} post that is at the top @params {Discourse.Post} post that is at the top
**/ **/
topVisibleChanged: function(post) { topVisibleChanged: function(post) {
if (!post) { return; }
var postStream = this.get('postStream'), var postStream = this.get('postStream'),
firstLoadedPost = postStream.get('firstLoadedPost'); firstLoadedPost = postStream.get('firstLoadedPost');
@ -589,6 +591,8 @@ Discourse.TopicController = Discourse.ObjectController.extend(Discourse.Selected
@params {Discourse.Post} post that is at the bottom @params {Discourse.Post} post that is at the bottom
**/ **/
bottomVisibleChanged: function(post) { bottomVisibleChanged: function(post) {
if (!post) { return; }
var postStream = this.get('postStream'), var postStream = this.get('postStream'),
lastLoadedPost = postStream.get('lastLoadedPost'), lastLoadedPost = postStream.get('lastLoadedPost'),
index = postStream.get('stream').indexOf(post.get('id'))+1; index = postStream.get('stream').indexOf(post.get('id'))+1;