DatePicker Animation crashing when component is unmounted about react-widgets

[jquense]

Hey there thanks for the report.

I am pretty sure your right, and this a classic "timeout fires after the thing has been removed" bug. I should have been paying more attention to :P. I'll add a check and you should be good to go.

To your side note, a quick glance and test on the docs site indicates that duration is being passed down just fine. Unfortunately a duration of zero doesn't actually solve the issue b/c while its not animating over time the animation callback is still getting called async: setTimeout(cb, 0) so it can still suffer this bug.

[vladimir-rovensky]

Hey there

We're definitely on the right track here, but there's still an error, even if I apply your fix locally. This time it happens in _handleDoneLeaving (again in ReplaceTransitionGroup), which tries to setState after the component has unmounted. Could we add one more check in _handleDoneLeaving?

Many thanks for your work on this project BTW, I appreciate the effort you're putting into this.

[jquense]

Glad you are enjoying the library, I've added an additional check, let me know if that finally solves it?

[vladimir-rovensky]

Works nicely now, thanks again!