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Fix DraggableGridLayout initial height collapse due to nullish coalescing bug

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availableWidth starts at 0 (not null/undefined) before ResizeObserver fires.
The ?? operator passes 0 through instead of falling back to window.innerWidth,
making cellHeight negative and causing react-grid-layout to render a ~10px
container. The overflow-x-hidden div then becomes an implicit scroll container,
producing the 'cards squeezed in a small rectangle' symptom.

Changing ?? to || makes 0 trigger the window.innerWidth fallback, giving a
reasonable initial rowHeight until the real container width is measured.

https://claude.ai/code/session_01H1sqbcFmtwwsdNTJcJHJWd
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Claude 2026-03-15 10:15:52 +00:00
parent a0ca322129
commit 84f3b16461
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1 changed files with 2 additions and 2 deletions
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4
web/src/views/live/DraggableGridLayout.tsx
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@ -359,7 +359,7 @@ export default function DraggableGridLayout({
// subtract container margin, 1 camera takes up at least 4 rows // subtract container margin, 1 camera takes up at least 4 rows
// account for additional margin on bottom of each row // account for additional margin on bottom of each row
return ( return (
((availableWidth ?? window.innerWidth) - 2 * marginValue) / ((availableWidth || window.innerWidth) - 2 * marginValue) /
12 / 12 /
aspectRatio - aspectRatio -
marginValue + marginValue +
@ -712,7 +712,7 @@ export default function DraggableGridLayout({
/> />
<Responsive <Responsive
className="grid-layout" className="grid-layout"
width={availableWidth ?? window.innerWidth} width={availableWidth || window.innerWidth}
layouts={{ layouts={{
lg: currentGridLayout, lg: currentGridLayout,
md: currentGridLayout, md: currentGridLayout,