ReactTransitionGroup can handle components being re-added before 'leave' transition has completed. #642
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added 2 commits
December 6, 2013 14:46
… new one no longer bug-out. In the case of having an animated node which is, after the leave-transition has been activated, then re-added in a render call causes React to 'break'. This is especially noticeable if you spam to removal and re-addition of an item in a ReactTransitionGroup. This fix simply stops the leave transition and restarts the enter transition.
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cc @petehunt |
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This lgtm, need to do some stuff then I can merge it! |
petehunt
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Dec 23, 2013
ReactTransitionGroup can handle components being re-added before 'leave' transition has completed.
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This PR is mistitled -- it doesn't fix the issue for |
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@jedwards1211: Heh - the PR is almost two years old now! |
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@Cartas oh, hah! Well in any case there's been a lot of work on fixing issues with |
This was referenced Aug 7, 2021
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It's quite possible to end up with DOM elements within ReactTransitionGroups staying behind despite the leave transition having ended. This occurs when calling render which then attempts to add the same element to the Group at the same time as it is being removed/transitioning-out.
These elements remain behind, with their class forever set to 'name-leave name-leave-active'. In this instance I simply remove the 'leave' classes and re-add the 'enter' ones if necessary, to make the elements nicely reverse their animation/come back into view.
Fixes #649.
PS: I've signed the CLA with this github username.