fix: remove forced synchronous layout in Drawer #33665
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Drawer was forcing synchronous layout by reading scrollTop, scrollHeight and clientHeight in its getScrollState() function. This change defers the read with a requestAnimationFrame() so the browser can read the values from the previous frame, removing the forced synchronous layout.
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fabricteam
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🕵🏾♀️ visual regressions to review in the fluentuiv9 Visual Regression Report
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| Image Name | Diff(in Pixels) | Image Type |
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| Avatar Converged.badgeMask.chromium.png | 39 | Changed |
| Avatar Converged.Badge Mask RTL.chromium.png | 10 | Changed |
khmakoto
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Jan 16, 2025
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Previous Behavior
Drawer was forcing synchronous layout by reading scrollTop, scrollHeight and clientHeight in its getScrollState() function.
This change defers the read with a
requestAnimationFrame()so the browser can read the values from the previous frame, removing the forced synchronous layout.New Behavior
No forced synchronous layout
Related Issue(s)
useDrawerBody()forces style recalculations #33655References
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