fix(plugin-charts,components): dashboard charts blank on first paint (ResponsiveContainer width(-1))#1634
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…siveContainer measures real width
Recharts' <ResponsiveContainer> was a child of a `flex ... justify-center`
container, so on the main axis it collapsed to content width (0) on first
paint inside react-grid-layout. Recharts then measured width(-1)/height(-1)
and skipped drawing, leaving dashboard charts (funnel, donut, area, …) blank
on initial load until a later resize fired its ResizeObserver.
Switch the chart wrapper to a definite-width block (drop `flex`/`justify-center`,
use `w-full` / `aspect-video w-full`) in both the dashboard chart container
(ChartContainerImpl) and the shadcn base (components/ui/chart) so the chart
always fills its box and renders on first paint. The empty-state ("No rows")
is a separate component and is unaffected.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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os-zhuang
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Jun 11, 2026
…ix (#1634) (#1635) #1634 fixed dashboard charts rendering blank on first paint but merged without a changeset. Add a patch changeset so the fix is credited in the next release changelog (plugin-charts/components are in the fixed version group, so the fix already ships either way). Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Problem
Dashboard charts (funnel, donut, area, …) render blank on initial load and only appear after a window resize / layout change. The console is flooded with:
Root cause
Every dashboard chart renders through
AdvancedChartImpl→ChartContainerinpackages/plugin-charts/src/ChartContainerImpl.tsx. That container wasflex w-full h-[350px] justify-center, and Recharts'<ResponsiveContainer width="100%" height="100%">was its flex child. In ajustify-centerflex row the child is sized to its content on the main axis, so on first paint insidereact-grid-layout(before the grid applies column widths) it collapsed to width 0 → Recharts measuredwidth(-1)and skipped drawing. It only recovered when a later resize firedResponsiveContainer'sResizeObserver. The existingminHeight: 280guard fixed height but not the width collapse.The shadcn base
packages/components/src/ui/chart.tsx(flex aspect-video justify-center, dimensionless<ResponsiveContainer>) has the same latent issue.Fix
Give
ResponsiveContainera definite-width block parent instead of a width-collapsing centered flexbox:plugin-charts/ChartContainerImpl.tsx:flex … justify-center→block w-full h-[350px](min-size guard kept).components/ui/chart.tsx:flex aspect-video justify-center→block aspect-video w-full.The
"No rows"empty state is a separate component (plugin-dashboard/DatasetWidget.tsx) and is unaffected; flex-centering was vestigial for the chart path (the only child isResponsiveContainer, which fills 100%).Verification
@object-ui/plugin-chartstype-check✅ andtest✅ (11/11).plugin-list/ListView.test.tsx(viewType normalization, fix(plugin-list): normalize viewType 'list'/missing/unknown to the grid renderer #1632 /fix/listview-default-grid) — untouched by this change.recharts-trapezoidcount = 0; after any resize the same charts paint correctly (data was always present). This change makes them paint on first load.🤖 Generated with Claude Code