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resize observer: only return new dimensions if they've actually changed

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This commit is contained in:
Josh Hawkins 2024-12-22 12:26:02 -06:00
parent de8d06b119
commit 9e63194b82
1 changed files with 9 additions and 1 deletions
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10
web/src/hooks/resize-observer.ts
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@ -17,7 +17,15 @@ export function useResizeObserver(...refs: RefType[]) {
() => () =>
new ResizeObserver((entries) => { new ResizeObserver((entries) => {
window.requestAnimationFrame(() => { window.requestAnimationFrame(() => {
setDimensions(entries.map((entry) => entry.contentRect)); setDimensions((prevDimensions) => {
const newDimensions = entries.map((entry) => entry.contentRect);
if (
JSON.stringify(prevDimensions) !== JSON.stringify(newDimensions)
) {
return newDimensions;
}
return prevDimensions;
});
}); });
}), }),
[], [],