fix: JSON module should be marked as ESM type

[eryue0220]

resolve #1420

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Project	Deployment	Actions	Updated (UTC)
npmx.dev	Ready	Preview, Comment	Feb 12, 2026 3:08pm

2 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
docs.npmx.dev	Ignored	Preview	Feb 12, 2026 3:08pm
npmx-lunaria	Ignored		Feb 12, 2026 3:08pm

[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
shared/utils/package-analysis.ts	0.00%	0 Missing and 1 partial ⚠️

📢 Thoughts on this report? Let us know!

[coderabbitai]

📝 Walkthrough

Walkthrough

The analyzeExports function in shared/utils/package-analysis.ts has been modified to recognise .json file extensions as import-format based exports, alongside existing .mjs and .mts extensions. This expands the scope of export string detection to include JSON files when determining export types. The change consists of a single line modification with no alterations to the function's other handling logic for CommonJS-related extensions or type-related exports.

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description check	✅ Passed	The PR description 'resolve #1420' is minimal but directly references the linked issue and is related to the changeset.
Linked Issues check	✅ Passed	The code change expands extension detection to include .json as an import hint, enabling JSON-only packages to be correctly identified as ESM-supporting, directly addressing issue #1420's objective.
Out of Scope Changes check	✅ Passed	The single modification to shared/utils/package-analysis.ts is scoped to resolving issue #1420 and does not introduce unrelated changes.

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[github-actions]

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[nicolo-ribaudo]

Thank you!