fix: improved memory profile for transitions/animations #12796
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Rich-Harris
reviewed
Aug 11, 2024
| animation.cancel(); | ||
| } | ||
| }) | ||
| .catch((e) => { |
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The catch is necessary to prevent an unhandled rejection when a transition is aborted:
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Ah yeah, I remember now. That sucks :/ can't think of why it causes FF to leak. I've tried making the animation undefined inside it but that doesn't help.
Rich-Harris
approved these changes
Aug 11, 2024
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Fixes #12719.
12759 previously would
nullthe effect on animation. I thought it wasn't necessary, but clearly it still is (I removed transitions from my example and forgot to put them back in, oops). I think we should flag this with Chromium folks as it seems odd that we need to do this – having it makes no difference in Firefox.I also noticed that the
catchfunction retains the animation in Firefox. I don't think we even need it anymore, so that fixes the memory leak in Firefox. Strangely, this doesn't seem to affect Chromium.Lastly, clearing
on_finishandon_abortseems to help the memory profile in Firefox and Chromium. Given we do it indeactivate, it makes sense to do inaborttoo.