fix: re-export PathParamError class from @tanstack/router-core

[Rendez]

Re-add PathParamError re-exported from @tanstack/router-core alongside the already existing SearchParamError export.

The removal happened last week: d6af3a2#diff-d59f1a00dff1823e6f16ddf621c708682b1acc37566b17d047bbe4263a580058R238-R274

Summary by CodeRabbit

• New Features
  • PathParamError is now publicly exported from the main package, making it directly available for import. This allows applications to reference and handle route parameter errors more explicitly (e.g., for better error handling or user feedback) without changing existing behavior. No other public APIs were altered.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between f7dab0b and 277d6d6.

📒 Files selected for processing (1)

• packages/react-router/src/index.tsx

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📝 Walkthrough

Walkthrough

The React Router package index export was updated to re-export PathParamError from @tanstack/router-core alongside lazyFn and SearchParamError, expanding the module's public exports.

Changes

Cohort / File(s)	Summary
Public API Surface packages/react-router/src/index.tsx	Added PathParamError to the named exports re-exported from @tanstack/router-core, updating the package's public API surface.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A tiny export hopped into view,
PathParamError joined the crew,
A tidy change, so quick and neat,
The package hums a little beat. 🥕✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately and concisely describes the main change: re-exporting PathParamError from @tanstack/router-core.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[nx-cloud]

🤖 Nx Cloud AI Fix Eligible

An automatically generated fix could have helped fix failing tasks for this run, but Self-healing CI is disabled for this workspace. Visit workspace settings to enable it and get automatic fixes in future runs.

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---

View your CI Pipeline Execution ↗ for commit 277d6d6

Command	Status	Duration	Result
nx run @benchmarks/client-nav:test:perf:solid	❌ Failed	1m 13s	View ↗
nx run @benchmarks/ssr:test:perf:vue	✅ Succeeded	2m 6s	View ↗
nx run @benchmarks/ssr:test:perf:solid	✅ Succeeded	1m 51s	View ↗
nx run @benchmarks/ssr:test:perf:react	✅ Succeeded	2m	View ↗
nx run @benchmarks/client-nav:test:perf:vue	✅ Succeeded	1m 23s	View ↗
nx run @benchmarks/client-nav:test:perf:react	✅ Succeeded	4m 33s	View ↗

---

☁️ Nx Cloud last updated this comment at 2026-03-03 12:47:22 UTC

[github-actions]

Bundle Size Benchmarks

• Commit: 33188782e179
• Measured at: 2026-03-03T12:31:04.721Z
• Baseline source: history:33188782e179
• Dashboard: bundle-size history

Scenario	Current (gzip)	Delta vs baseline	Raw	Brotli	Trend
react-router.minimal	86.58 KiB	0 B (0.00%)	272.45 KiB	75.22 KiB	▅▅▅▅▅▅▅▅▅▅▅
react-router.full	89.61 KiB	0 B (0.00%)	282.78 KiB	77.90 KiB	▅▅▅▅▅▅▅▅▅▅▅
solid-router.minimal	35.88 KiB	0 B (0.00%)	107.56 KiB	32.26 KiB	▅▅▅▅▅▅▅▅▅▅▅
solid-router.full	40.21 KiB	0 B (0.00%)	120.61 KiB	36.13 KiB	▅▅▅▅▅▅▅▅▅▅▅
vue-router.minimal	51.75 KiB	0 B (0.00%)	147.54 KiB	46.50 KiB	▅▅▅▅▅▅▅▅▅▅▅
vue-router.full	56.55 KiB	0 B (0.00%)	163.12 KiB	50.86 KiB	▅▅▅▅▅▅▅▅▅▅▅
react-start.minimal	99.11 KiB	0 B (0.00%)	311.58 KiB	85.68 KiB	▅▅▅▅▅▅▅▅▅▅▅
react-start.full	102.50 KiB	0 B (0.00%)	321.39 KiB	88.63 KiB	▁▁▁▁███████
solid-start.minimal	48.19 KiB	0 B (0.00%)	145.13 KiB	42.67 KiB	▅▅▅▅▅▅▅▅▅▅▅
solid-start.full	53.68 KiB	0 B (0.00%)	161.08 KiB	47.37 KiB	▁▁▁▁███████

Trend sparkline is historical gzip bytes ending with this PR measurement; lower is better.

[pkg-pr-new]

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commit: 0e7c25c

[codspeed-hq]

Merging this PR will not alter performance

✅ 5 untouched benchmarks

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_{Comparing Rendez:patch-1 (5feb152) with main (3318878)}