refactor(solid-router): remove unnecessary setTimeout from Match components

[Sheraff]

Summary by CodeRabbit

• Bug Fixes
  • Optimized route resolution performance by improving internal scheduling mechanisms. Route transitions now occur with reduced latency for better application responsiveness during navigation.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 5bba3f43-2be3-4e3d-b278-28520e495803

📥 Commits

Reviewing files that changed from the base of the PR and between 5127d86 and 84e7a05.

📒 Files selected for processing (2)

• .changeset/proud-clubs-buy.md
• packages/solid-router/src/Match.tsx

---

📝 Walkthrough

Walkthrough

This PR removes unnecessary setTimeout calls from the Match component's route-state loaders in solid-router, replacing the macrotask-based delay with microtask-based scheduling via Promise.resolve() in two locations. A changeset entry documents this patch-level optimization.

Changes

Microtask Scheduling Optimization

Layer / File(s)	Summary
Match component scheduling update packages/solid-router/src/Match.tsx	The pending and redirected route-state branches in MatchInner's createResource loaders now yield via await Promise.resolve() instead of await new Promise((r) => setTimeout(r, 0)), switching from macrotask to microtask scheduling before retrieving loadPromise or calling getLoadPromise().
Changeset documentation .changeset/proud-clubs-buy.md	Changeset entry for @tanstack/solid-router declares a patch version bump and documents the removal of unnecessary setTimeout from Match components.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Poem

A scheduler's tale, both wise and quick,
From macro to micro—a timing trick!
No more delays in the setTimeout queue,
Promise.resolve() will see us through! 🐇✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: removing an unnecessary setTimeout from Match components in solid-router, which is reflected in both the changeset and the code modifications.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch refactor-solid-router-simplify-match-loader-resource

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---

☁️ Nx Cloud last updated this comment at 2026-06-07 20:45:29 UTC

[github-actions]

🚀 Changeset Version Preview

2 package(s) bumped directly, 7 bumped as dependents.

🟩 Patch bumps

Package	Version	Reason
@tanstack/react-router	1.170.15 → 1.170.16	Changeset
@tanstack/solid-router	1.170.15 → 1.170.16	Changeset
@tanstack/react-start	1.168.25 → 1.168.26	Dependent
@tanstack/react-start-client	1.168.13 → 1.168.14	Dependent
@tanstack/react-start-rsc	0.1.24 → 0.1.25	Dependent
@tanstack/react-start-server	1.167.19 → 1.167.20	Dependent
@tanstack/solid-start	1.168.25 → 1.168.26	Dependent
@tanstack/solid-start-client	1.168.13 → 1.168.14	Dependent
@tanstack/solid-start-server	1.167.19 → 1.167.20	Dependent

[github-actions]

Bundle Size Benchmarks

• Commit: 5cde954cf1ee
• Measured at: 2026-06-07T20:41:48.188Z
• Baseline source: history:5127d861aef6
• Dashboard: bundle-size history

Scenario	Current (gzip)	Delta vs baseline	Initial gzip	Raw	Brotli	Trend
react-router.minimal	87.25 KiB	0 B (0.00%)	87.11 KiB	273.59 KiB	75.96 KiB	███▂▂▂▂▂▂▁▃
react-router.full	90.98 KiB	0 B (0.00%)	90.84 KiB	285.48 KiB	79.13 KiB	███▇▇▇▇▇▇▁▁
solid-router.minimal	35.48 KiB	-11 B (-0.03%)	35.36 KiB	105.86 KiB	32.03 KiB	▃▃▃▆▆▆▆▆▆▆█▁
solid-router.full	40.53 KiB	-8 B (-0.02%)	40.41 KiB	121.08 KiB	36.46 KiB	███▄▄▄▄▄▄▄▅▁
vue-router.minimal	52.97 KiB	0 B (0.00%)	52.84 KiB	149.90 KiB	47.62 KiB	███▆▆▆▆▆▆▆▁
vue-router.full	58.96 KiB	0 B (0.00%)	58.83 KiB	168.66 KiB	52.87 KiB	███▁▁▁▁▁▁▁▅
react-start.minimal	101.88 KiB	0 B (0.00%)	101.75 KiB	321.90 KiB	88.14 KiB	▅▅▅▁▁▁▁▁▁▁█
react-start.deferred-hydration	102.62 KiB	0 B (0.00%)	101.77 KiB	323.28 KiB	88.85 KiB	▇▇▇▁▁▁▁▁▁▇█
react-start.full	105.27 KiB	0 B (0.00%)	105.13 KiB	331.84 KiB	91.03 KiB	▃▃▃▃▃████▁▁
react-start.rsbuild.minimal	99.59 KiB	0 B (0.00%)	99.42 KiB	316.35 KiB	85.75 KiB	▅▅▅██████▁▅
react-start.rsbuild.minimal-iife	99.99 KiB	0 B (0.00%)	99.83 KiB	317.29 KiB	86.07 KiB	▄▄▄██████▁▆
react-start.rsbuild.full	102.81 KiB	0 B (0.00%)	102.64 KiB	326.41 KiB	88.40 KiB	▄▄▄▅▅████▁▁
solid-start.minimal	49.60 KiB	-8 B (-0.02%)	49.47 KiB	151.93 KiB	43.79 KiB	▁▁▁▇▇▇▇▇▇▇█▂
solid-start.deferred-hydration	52.86 KiB	-5 B (-0.01%)	49.53 KiB	159.97 KiB	46.81 KiB	▁▁▁▆▆▆▆▆▆▆█▅
solid-start.full	55.40 KiB	-12 B (-0.02%)	55.27 KiB	168.97 KiB	48.80 KiB	▃▃▃▁▁▇▇▇▇▇█▆
vue-start.minimal	71.02 KiB	0 B (0.00%)	70.89 KiB	207.04 KiB	62.93 KiB	▂▂▂▁▁▁▁▁▁▁█
vue-start.full	75.01 KiB	0 B (0.00%)	74.88 KiB	219.68 KiB	66.40 KiB	▂▂▂▁▁▇▇▇▇▇█

Current gzip tracks all emitted client JS chunks. Initial gzip tracks only the entry/import graph. Trend sparkline is historical current gzip ending with this PR measurement; lower is better.

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commit: 84e7a05

[codspeed-hq]

Merging this PR will not alter performance

✅ 6 untouched benchmarks

---

_{Comparing refactor-solid-router-simplify-match-loader-resource (84e7a05) with main (5127d86)}