fix(table-core): ensure getFilteredRowModel().flatRows uses pre-order traversal - #6568
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Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review. 📝 WalkthroughWalkthroughFiltering now produces parent-first ChangesHierarchical filtered row models
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: ⚪ Minimal · up to The PR corrects hierarchical filtered-row ordering and preserves filtering metadata and nested worker-backed row structures; the listed checks pass, so no actionable merge-blocking risk remains. Suggested reviewers: Sequence Diagram(s)sequenceDiagram
participant TableWorker
participant serializeRowModel
participant rebuildRowModel
participant CoreRows
TableWorker->>serializeRowModel: serialize filtered hierarchical row model
serializeRowModel->>TableWorker: return row nodes and filterData
TableWorker->>rebuildRowModel: provide worker payload
rebuildRowModel->>CoreRows: apply filtered metadata
rebuildRowModel->>rebuildRowModel: reconstruct rows, flatRows, and rowsById
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Linked Issues checkExplanation The changes satisfy both linked issues: Full details: Out of Scope Changes checkExplanation The worker-model updates, regression tests, changeset, and performance catalog updates support the stated filtering, metadata, worker round-trip, and performance objectives. No unrelated code changes are evident. Full details: Docstring CoverageExplanation Docstring coverage is 16.67% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 12 functions across 9 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches🧪 Generate unit tests (beta)
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Preserve filtering metadata and hierarchical row structure across synchronous and worker-backed row models. Co-authored-by: Dylan Pulver <dylanpulver@users.noreply.github.com>
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Inline comments:
In `@packages/table-core/src/features/column-filtering/filterRowsUtils.ts`:
- Around line 68-71: Update the leaf-filtering branch in recurseFilterRows so
that when depth reaches maxDepth and filterRow(newRow) retains the row, the
cloned row keeps its original row.subRows instead of the empty initialized
collection. Preserve deeper descendants unfiltered and included in both rows and
flatRows, and add a regression test covering leaf-first filtering with
maxLeafRowFilterDepth set to 0.
In `@packages/table-core/src/worker/serializeRowModel.ts`:
- Around line 44-46: Update serializeRowModel so data-row payloads include
serializeFilterData(row) for every stage at or after filtering, not only when
stage is 'filtered'; preserve omission for stages before filtering and ensure
grouped, sorted, and expanded worker payloads retain columnFilters and
columnFiltersMeta through rebuildRowModel. Add round-trip coverage for a
filtered-and-grouped or filtered-and-sorted model asserting columnFiltersMeta.
In `@perf-done.md`:
- Line 2485: Synchronize performance entry `#29` in perf-done.md: update the
location at perf-done.md lines 2485-2485 to
packages/table-core/src/features/column-filtering/filterRowsUtils.ts, revise the
risk note at lines 2499-2499 to reflect added regression coverage, and document
filterRow(newRow) rather than filterRow(row) at lines 2501-2502.
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📒 Files selected for processing (10)
.changeset/fuzzy-tables-filter.mdpackages/table-core/src/features/column-filtering/filterRowsUtils.tspackages/table-core/src/worker/initTableWorker.tspackages/table-core/src/worker/rebuildRowModel.tspackages/table-core/src/worker/serializeRowModel.tspackages/table-core/src/worker/tableWorkerProtocol.tspackages/table-core/tests/implementation/features/column-filtering/createFilteredRowModel.test.tspackages/table-core/tests/unit/worker/serializeRebuild.test.tsperf-done.mdperf-todo.md
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Resolves the conflict with #6568 (pre-order flatRows): rebuildRowModel keeps main's filter-data seeding and pre-order data-row handling, with the new subRowsChanged clone ported from Object.create + copy to the constructRow pattern so worker clones keep the shared row hidden class; the synthetic group-row section keeps this branch's declared value writes + cache seeding. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
🎯 Changes
Fixes #6536
Fixes #6074
Supersedes #6564
flatRowsin parent-first pre-order for both root-first and leaf-first filtering.columnFiltersandcolumnFiltersMetawhenever filtering clones rows, including worker-backed row-model round trips.The metadata fix incorporates and extends Dylan Pulver's work in #6564; Dylan is credited as a co-author on the completing commit.
✅ Checklist
pnpm test:pr.🚀 Release Impact
Verification
pnpm exec vitest run packages/table-core/tests/unit/worker/serializeRebuild.test.ts packages/table-core/tests/implementation/features/column-filtering/createFilteredRowModel.test.ts— 51 tests passedpnpm test:pr— 868/868 targets passedpnpm test:e2e— 407/407 targets passedpnpm nx run tanstack-react-table-example-web-worker-row-models:test:e2e— 5/5 tests passedgit diff --checkSummary by CodeRabbit