JimLiu/angular-ui-tree — pull request #260 by boneskull (2014-10-16 19:53:56+00:00)
Title: avoids potential exception if result of childNodes() is undefined

this avoids the following exception

![](http://content.screencast.com/users/chiller/folders/Jing/media/d78cb41d-b1dd-4957-acde-6ec41bf864ea/00000125.png)

I'm not sure what causes this exactly.