fix: handle cases when Animation.persist() does not exist #33282
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The Animation.persist() API is in our full suport matrix but was added after browsers in our partial support matrix. As no polyfill exists for this feature and it cannot be compiled away this commit explicitly handles the case when the API does not exist. When .persist() is not available we short-circuit the animation, using the existing "is reduced motion" code path to make the animation effectively instant while still firing all animation events, etc.
spmonahan
commented
Nov 16, 2024
| @@ -2,6 +2,9 @@ import * as React from 'react'; | |||
| import type { AnimationHandle, AtomMotion } from '../types'; | |||
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| function useAnimateAtomsInSupportedEnvironment() { | |||
| // eslint-disable-next-line @nx/workspace-no-restricted-globals | |||
| const SUPPORTS_PERSIST = typeof window !== 'undefined' && typeof window.Animation?.prototype.persist === 'function'; | |||
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Not in love with having this here. Ideally it would live in global scope because SUPPORTS_PERSIST will be constant for any given environment.
I moved it here because I could not find a good way to test it with Jest.
📊 Bundle size report
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Pull request demo site: URL |
fabricteam
reviewed
Nov 16, 2024
| @@ -0,0 +1,7 @@ | |||
| { | |||
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🕵🏾♀️ visual regressions to review in the fluentuiv9 Visual Regression Report
Avatar Converged 2 screenshots
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| Avatar Converged.badgeMask.chromium.png | 6 | Changed |
| Avatar Converged.Badge Mask RTL.chromium.png | 2 | Changed |
Drawer 2 screenshots
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| Drawer.Full Overlay Dark Mode.chromium.png | 2561 | Changed |
| Drawer.overlay drawer full.chromium.png | 3320 | Changed |
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Previous Behavior
The Animation.persist() API is in our full support matrix but was added after browsers in our partial support matrix. As no polyfill exists for this feature and it cannot be compiled away this commit explicitly handles the case when the API does not exist.
New Behavior
When .persist() is not available we short-circuit the animation, using the existing "is reduced motion" code path to make the animation effectively instant while still firing all animation events, etc.