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Draggable throwing error when can't find the element

thinklinux test
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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 Some information, especially the syntax, may be out of date for GSAP 3.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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Draggable.hitTest() trhows and error when it can't find the element:

Cannot read property 'getBoundingClientRect' of null

I found the line with _unwrapElement(e).getBoundingClientRect() in Draggable.js and fix it like that:

_unwrapElement(e) ? _unwrapElement(e).getBoundingClientRect() : false

It just returns false when there is no element or it's hidden. Everything is working now but on my side. I'm not sure that this is the right fix. I will try to reproduce the problem on codepen when I have more time if you are not aware of this behavior.

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