fix: correctly exclude primary version from expanded tag list

[maxchang3]

🔗 Linked issue

Resolves #1789

🧭 Context

When expanding a dist-tag row, versions newer than the dist-tag version could be silently dropped when the dist-tag does not point to the latest version in its major.

📚 Description

Taking @types/node as an example, ts5.1 -> 24.1.0, but the latest 24.x is 24.11.0.

channelVersions is sorted by semver descending, so [0] is always the newest version in the channel, not the dist-tag version:

tagVersions['ts5.1'] = [
  { version: '24.11.0' },  // newest, but NOT the dist-tag version
  { version: '24.10.15' },
  ...
  { version: '24.1.0' },   // actual dist-tag version, shown in row header
]

The old code used .slice(1) to exclude the primary version from the expanded list, assuming [0] was always the primary version. This assumption only holds when the dist-tag points to the latest version in its major.

The fix replaces getFilteredTagVersions + .slice(1) with getExpandedTagVersions, which filters out the primary version by version string match instead of by array position.

Before	After

[vercel]

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Project	Deployment	Actions	Updated (UTC)
npmx.dev	Ready	Preview, Comment	Mar 1, 2026 9:11pm

2 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
docs.npmx.dev	Ignored	Preview	Mar 1, 2026 9:11pm
npmx-lunaria	Ignored		Mar 1, 2026 9:11pm

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
app/components/Package/Versions.vue	0.00%	1 Missing ⚠️

📢 Thoughts on this report? Let us know!

[coderabbitai]

📝 Walkthrough

Walkthrough

The pull request updates the app/components/Package/Versions.vue component by replacing the getFilteredTagVersions() helper function with a new getExpandedTagVersions() function. The new function accepts an additional primaryVersion parameter and filters out the primary version from the tag's version list before applying any active semver filters. All call sites have been updated to pass the row's primary version to this function, ensuring consistent version filtering behaviour across the component.

Suggested labels

help wanted

Suggested reviewers

• alexdln
• danielroe

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	The code changes directly address the primary requirement in #1789 by excluding the primary version via version-string matching rather than array position.
Out of Scope Changes check	✅ Passed	All changes are scoped to the Versions.vue component and directly address the version-filtering issue described in the linked issue.
Description check	✅ Passed	The description is directly related to the changeset, explaining the bug fix and its rationale with concrete examples.

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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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