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Extending GSAP (custom methods, etc)

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Warning: Please note

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 Some information, especially the syntax, may be out of date for GSAP 3.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've been adding a couple utility methods to gsap for a while but I'm not entirely sure if I'm doing it right. Have a look at this:




My main concern is that I have to extend the prototype of each class separately:

TweenLite.prototype.then = fn;
TimelineLite.prototype.then = fn;

Is there a way to extend once class and have it inherited across the board?

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Animation is the base class, so you should be able to do this...

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Excellent, thanks! If com.greensock.core.Animation is always global I might as well just append to it directly:


This has been published to npm, by the way: https://npmjs.com/gsap-then

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