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bart-krakowski · 2026-08-21T12:14:01Z

🎯 Changes

✅ Checklist

I have followed the steps in the Contributing guide.
I have tested this code locally with pnpm test:pr.

🚀 Release Impact

This change affects published code, and I have generated a changeset.
This change is docs/CI/dev-only (no release).

Summary by CodeRabbit

New Features
- Double-clicking a splitter gutter now resets adjacent panes to equal sizes.
- Nested split layouts can be reset without affecting other panes.
Bug Fixes
- Invalid or already balanced splitters remain unchanged when reset is attempted.

coderabbitai · 2026-08-21T12:14:35Z

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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Reviewing files that changed from the base of the PR and between a0c291a and 18f05c5.

📒 Files selected for processing (1)

.changeset/beige-snakes-call.md

🚧 Files skipped from review as they are similar to previous changes (1)

.changeset/beige-snakes-call.md

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📝 Walkthrough

Walkthrough

The change adds resetSplit to equalize adjacent splitter panes, preserves unaffected layout branches, and connects the operation to splitter double-click handling in the plugin workspace. Tests cover nested paths, invalid targets, and unchanged layouts.

Changes

Splitter Pane Reset

Layer / File(s)	Summary
Layout reset operation and validation `packages/devtools/src/utils/layout-tree.ts`, `packages/devtools/src/utils/layout-tree.test.ts`	`resetSplit` equalizes valid adjacent panes and immutably updates the targeted split. Tests cover nested splits, invalid targets, unchanged pairs, lone groups, and null trees.
Workspace splitter integration `packages/devtools/src/components/plugin-workspace.tsx`, `.changeset/beige-snakes-call.md`	The workspace resets a splitter on double-click. The changeset documents the patch release.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to 18f05

This localized change adds double-click resetting for splitter panes with associated layout-tree updates and a changeset; no actionable merge-blocking risk remains after normal checks and review.

Sequence Diagram(s)

sequenceDiagram
  participant SplitterControls
  participant resetSplitterDrag
  participant resetSplit
  SplitterControls->>resetSplitterDrag: double-click splitter
  resetSplitterDrag->>resetSplit: tree, path, gutterIndex
  resetSplit-->>resetSplitterDrag: updated or unchanged layout tree

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description includes the required headings and completed checklist items, but the Changes section contains no explanation of the implementation or motivation.	Add a concise summary of the splitter reset behavior, its motivation, and the included tests.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change: resetting DevTools splitter panes on double-click.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 3 files. (1 skipped: 1 unsupported.)
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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Actionable comments posted: 1

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Inline comments:
In @.changeset/beige-snakes-call.md:
- Line 5: Update the changeset title from “Reset splitter panes on double click”
to “Reset splitter panes on double-click,” using the hyphenated double-click
wording.

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ℹ️ Review info

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Review profile: CHILL

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Run ID: cb903828-8acb-411b-80f0-bef5dee0b30b

📥 Commits

Reviewing files that changed from the base of the PR and between 566d39b and a0c291a.

📒 Files selected for processing (4)

.changeset/beige-snakes-call.md
packages/devtools/src/components/plugin-workspace.tsx
packages/devtools/src/utils/layout-tree.test.ts
packages/devtools/src/utils/layout-tree.ts

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nx-cloud · 2026-08-25T09:15:36Z

View your CI Pipeline Execution ↗ for commit d3941f4

Command	Status	Duration	Result
`nx affected --targets=test:eslint,test:sherif,t...`	✅ Succeeded	3m 20s	View ↗
`nx run-many --target=test:e2e --parallel=1 --pr...`	✅ Succeeded	1m 13s	View ↗
`nx run-many --targets=build --exclude=examples/...`	✅ Succeeded	34s	View ↗

☁️ Nx Cloud last updated this comment at 2026-09-23 09:16:08 UTC

pkg-pr-new · 2026-08-25T09:16:06Z

bart-krakowski added 2 commits August 21, 2026 14:05

feat(devtools): reset splitter panes on double click

7210ff9

feat(devtools): reset splitter panes on double click

a0c291a

coderabbitai Bot reviewed Aug 21, 2026

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Comment thread .changeset/beige-snakes-call.md Outdated

bart-krakowski commented Aug 21, 2026

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Comment thread .changeset/beige-snakes-call.md Outdated

Update .changeset/beige-snakes-call.md

18f05c5

AlemTuzlak approved these changes Aug 25, 2026

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Merge branch 'main' into feat/layout-reset

d3941f4

AlemTuzlak merged commit 02a67f1 into TanStack:main Sep 23, 2026
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github-actions Bot mentioned this pull request Sep 23, 2026

ci: Version Packages #530

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feat(devtools): reset splitter panes on double click - #515

feat(devtools): reset splitter panes on double click#515
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🎯 Changes

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