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nstepien
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Feb 6, 2026
| const [blockSize, setBlockSize] = useState(1); | ||
| const [horizontalScrollbarHeight, setHorizontalScrollbarHeight] = useState(0); | ||
| const [isMeasured, setIsMeasured] = useState(false); | ||
| const [isVisible, setIsVisible] = useState(true); |
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Tests break if I do not leave this initial state as true.
Should be fine once we move all our tests to use locators instead.
| const { ResizeObserver } = window; | ||
| const { ResizeObserver, IntersectionObserver } = window; | ||
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| // don't break in Node.js (SSR), jsdom, and browsers that don't support ResizeObserver |
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SSR environments do not run useLayoutEffect, not sure that part of the comment was ever applicable.
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #3949 +/- ##
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+ Coverage 97.61% 97.71% +0.09%
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Files 36 36
Lines 1470 1486 +16
Branches 477 478 +1
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+ Hits 1435 1452 +17
+ Misses 35 34 -1
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What if we used
<Activity>to passively render the grid's content when it's not visible, or not yet measured?https://react.dev/reference/react/Activity
Worth it? Not worth bothering? Just wanted to play with it at least.
We could also add a prop to let users pass their own
modeto<Activity>.