fix(history): normalize memory history hrefs

[Sheraff]

🎯 Changes

Memory history normalizes locations through parseHref, but its createHref currently returns the input unchanged. For example, pushing //example.com/path produces the location /example.com/path, while formatting the same input produces a protocol-relative link.

Use normalizeHref in memory history's createHref so generated hrefs match navigation and the browser/server history implementations. Add 13 regression cases covering protocol-relative prefixes, slash/backslash variants, control characters, and preservation of ordinary and encoded paths. Include a patch changeset for @tanstack/history.

Follow-up to #8308 and #8354.

Validation:

• Confirmed eight new cases fail before the fix; all 118 history tests pass afterward.
• pnpm test:eslint --outputStyle=stream --skipRemoteCache
• pnpm test:types --outputStyle=stream --skipRemoteCache
• pnpm test:unit --outputStyle=stream --skipRemoteCache
• Prettier and git diff --check.
• React basic example browser smoke test, including a native anchor check against the built memory-history implementation.

✅ Checklist

• I have followed the steps in the Contributing guide.
• I have tested code changes locally with the relevant test commands, or tests do not apply to this pull request.
• I fully understand the code in this pull request, including any code generated with AI assistance.

🚀 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

• Bug Fixes
  • Memory history links are now normalized consistently with browser and server history.
  • Protocol-relative paths and control characters are handled correctly when generating links.
  • Generated links now resolve to the application’s origin and remain consistent after navigation.

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-11T11:38:51.368660Z	1d66db4	PR opened

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ℹ️ Recent review info

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Run ID: 5bdad269-0816-44ce-af98-a3263531b5d6

📥 Commits

Reviewing files that changed from the base of the PR and between 9872d2a and 1d66db4.

📒 Files selected for processing (3)

• .changeset/happy-turkeys-write.md
• packages/history/src/index.ts
• packages/history/tests/createMemoryHistory.test.ts

Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review.

---

📝 Walkthrough

Walkthrough

Memory history now normalizes hrefs through normalizeHref. Parameterized tests verify consistency with navigation across slash, whitespace, control-character, encoded, and multi-slash inputs. A patch changeset documents the update.

Changes

Memory history href normalization

Layer / File(s)	Summary
Normalize and validate memory history hrefs packages/history/src/index.ts, packages/history/tests/createMemoryHistory.test.ts, .changeset/happy-turkeys-write.md	createMemoryHistory.createHref now applies normalizeHref. Tests verify normalized output, unchanged location state, same-origin resolution, and consistency with history.push. A patch changeset documents the behavior.

Priority: ⬇️ Low

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

Change: Bug fix

Merge Risk: ⚪ Minimal · up to 1d66d

Memory history href generation is aligned with navigation behavior and covered by regression tests; no actionable merge risk remains.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: normalizing hrefs in memory history.
Description check	✅ Passed	The description explains the motivation, implementation, tests, release impact, and related issue. It includes the required changeset and validation details. Only the non-critical checklist item confi…
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 2 files. (1 skipped: 1 …
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.

✨ Finishing Touches

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• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/normalize-memory-history-hrefs

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☁️ Nx Cloud last updated this comment at 2026-09-11 11:49:41 UTC

[github-actions]

🚀 Changeset Version Preview

3 package(s) bumped directly, 21 bumped as dependents.

🟩 Patch bumps

Package	Version	Reason
@tanstack/history	1.162.3 → 1.162.4	Changeset
@tanstack/router-core	1.171.29 → 1.171.30	Changeset
@tanstack/start-server-core	1.169.34 → 1.169.35	Changeset
@tanstack/react-router	1.170.35 → 1.170.36	Dependent
@tanstack/react-start	1.168.52 → 1.168.53	Dependent
@tanstack/react-start-client	1.168.33 → 1.168.34	Dependent
@tanstack/react-start-rsc	0.1.51 → 0.1.52	Dependent
@tanstack/react-start-server	1.167.40 → 1.167.41	Dependent
@tanstack/router-cli	1.167.35 → 1.167.36	Dependent
@tanstack/router-generator	1.167.35 → 1.167.36	Dependent
@tanstack/router-plugin	1.168.37 → 1.168.38	Dependent
@tanstack/router-vite-plugin	1.167.37 → 1.167.38	Dependent
@tanstack/solid-router	1.170.33 → 1.170.34	Dependent
@tanstack/solid-start	1.168.50 → 1.168.51	Dependent
@tanstack/solid-start-client	1.168.32 → 1.168.33	Dependent
@tanstack/solid-start-server	1.167.39 → 1.167.40	Dependent
@tanstack/start-client-core	1.170.29 → 1.170.30	Dependent
@tanstack/start-plugin-core	1.171.42 → 1.171.43	Dependent
@tanstack/start-static-server-functions	1.167.34 → 1.167.35	Dependent
@tanstack/start-storage-context	1.167.31 → 1.167.32	Dependent
@tanstack/vue-router	1.170.32 → 1.170.33	Dependent
@tanstack/vue-start	1.168.49 → 1.168.50	Dependent
@tanstack/vue-start-client	1.167.35 → 1.167.36	Dependent
@tanstack/vue-start-server	1.167.39 → 1.167.40	Dependent

[github-actions]

Bundle Size Benchmarks

This pull request does not affect bundle size in any measured scenario.

[pkg-pr-new]

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commit: 1d66db4

[codspeed]

Merging this PR will not alter performance

✅ 180 untouched benchmarks

---

_{Comparing codex/normalize-memory-history-hrefs (1d66db4) with main (9872d2a)}