fix(link): preserve basePath hash navigation

[james-elicx]

Summary

• preserve relative hash-only hrefs when Pages Router Link delegates to router.push/replace
• port regression coverage from Next.js test/e2e/basepath/query-hash.test.ts

Validation

• vp test run tests/link-navigation.test.ts tests/link.test.ts — 164 passed
• focused formatting passed

Full suites deferred to CI.

[github-actions]

Example	Preview	Production	Original
app-router-cloudflare	preview	production
pages-router-cloudflare	preview	production
app-router-playground	preview	production	original
realworld-api-rest	preview	production
nextra-docs-template	preview	production
benchmarks	preview	production
hackernews	preview	production	original
workers-cache	preview	production
web	preview	production

[pkg-pr-new]

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commit: f7e2891

[james-elicx]

/bigbonk

[ask-bonk]

PR #1952 Summary

Title: fix(link): preserve basePath hash navigation
Author: james-elicx | Branch: codex/compat-basepath-hash → main | State: OPEN

What it does

Fixes hash navigation when a basePath is configured in the Pages Router. When next/link delegates to router.push/router.replace, relative hash-only hrefs (e.g. #section) were being mangled; this PR preserves them.

Changes (2 files, +31/-7)

• packages/vinext/src/shims/link.tsx (+2/-5) — the actual fix, preserving relative hash-only hrefs during navigation delegation.
• tests/link-navigation.test.ts (+29/-2) — regression coverage ported from Next.js test/e2e/basepath/query-hash.test.ts.

Validation

• vp test run tests/link-navigation.test.ts tests/link.test.ts — 164 passed
• Focused formatting passed
• Full suites deferred to CI

Thread activity

Only automated bot comments so far:

• github-actions — deploy preview URLs for all examples
• pkg-pr-new — preview package install links (@vinext/cloudflare@1952, vinext@1952), commit f7e2891

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