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[BUG] ignore non expandable rows when the expanded state changes #6116

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[BUG] ignore non expandable rows when the expanded state changes #6116

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c5f80b7
dont include rows that arent expandable
RichardHpa Oct 21, 2025
dc6cc2a
reverted return statement
RichardHpa Oct 21, 2025
35541e2
added changeset
RichardHpa Oct 21, 2025
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5 changes: 5 additions & 0 deletions .changeset/every-parks-raise.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'@tanstack/table-core': patch
---

Prevents non expandable rows from being added to the state when the old state was true
7 changes: 5 additions & 2 deletions packages/table-core/src/features/RowExpanding.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -294,8 +294,11 @@ export const RowExpanding: TableFeature = {
let oldExpanded: ExpandedStateList = {}

if (old === true) {
Object.keys(table.getRowModel().rowsById).forEach(rowId => {
oldExpanded[rowId] = true
const rowIds = table.getRowModel().rowsById
Object.keys(rowIds).forEach(rowId => {
if (rowIds[rowId]?.getCanExpand()) {
oldExpanded[rowId] = true
}
})
} else {
oldExpanded = old
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