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fix(svelte-virtual): force store update when setOptions is called #1143

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Merged
piecyk merged 2 commits into from
Mar 12, 2026
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fix(svelte-virtual): force store update when setOptions is called #1143

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fix(svelte-virtual): force store update when setOptions is called
isaackaara Mar 11, 2026
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piecyk Mar 12, 2026
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5 changes: 5 additions & 0 deletions packages/svelte-virtual/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,11 @@ function createVirtualizerBase<
},
})
virtualizer._willUpdate()
// Force store update in case the range didn't change (e.g. count increased
// but scroll position stayed the same). Without this, the store only
// updates when onChange fires (on range change), so changes like a new
// count that don't shift the visible range would not trigger a re-render.
virtualizerWritable.set(virtualizer)
}

virtualizerWritable = writable(virtualizer, () => {
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