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Promises, deferreds and garbage collection

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This thread was started before GSAP 3 was released. Some information, especially the syntax, may be out of date for GSAP 3. Please see the GSAP 3 migration guide and release notes for more information about how to update the code to GSAP 3's syntax. 

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I was wondering if there is some kind of interaction happening that would prevent a deferred from being resolved in the onComplete event of TimelineLite? I have tried a bunch of things to get it to resolve, but it never does: passing in the object, having the deferred be a local variable in the outer scope, etc.


I am basically trying to create an animation that occurs before a route change in angular.js. There is a mechanism whereby I can create a deferred and the routing waits until it is either resolved or rejected. The problem is that while it works fine in a timeout callback, it doesn't work in an onComplete callback of TimelineLite. Can anyeone shed any light on why that would be? I can provide some code if you need it.

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Hi and welcome to the GreenSock forums.


I can't say that I follow all that you are saying as I haven't used angular.js, but it sounds like a scope issue. Try assigning an onCompleteScope property inside your timeline's constructor

onCompleteScope : Object - Defines the scope of the onComplete function (what "this" refers to inside that function).



var timeline = new TimelineLite({onComplete:someFunction, onCompleteScope:someObject});


If that doesn't work, yes, a very basic example would be great, preferably on codepen.io or jsfiddle.


Let us know if it works out for you or if you need more help.

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That was exactly it! You have no idea how many days I spent examining it and going over it piece-by-piece. If anyone else experiences this issue, you need to pass in $rootScope to onCompleteScope.


Thanks much! That is an amazing response and response time. 

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Cool, very happy to hear it worked out for you.

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