fix: check res.ok before parsing JSON in via-rest.ts

[saurabhhhcodes]

Move the if (!res.ok) check before res.json() in via-rest.ts to ensure the response status is validated before attempting to parse the body as JSON.

Summary by CodeRabbit

• Bug Fixes
  • Improved error handling for failed requests.
  • Requests now report the HTTP status and URL immediately when the server returns an unsuccessful response, including responses with unexpected content.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 94890640-5090-46c6-b804-f24a104f2f50

📥 Commits

Reviewing files that changed from the base of the PR and between 9f6eda4 and fbf44d2.

📒 Files selected for processing (1)

• stargazers/src/fetch/via-rest.ts

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📝 Walkthrough

Walkthrough

The REST fetch helper now checks res.ok before parsing JSON and throws immediately for non-OK responses with the status and URL.

Changes

REST response validation

Layer / File(s)	Summary
Validate responses before JSON parsing stargazers/src/fetch/via-rest.ts	Moves the non-OK response check ahead of res.json(), preserving the status and URL in the thrown error.

Estimated code review effort: 1 (Trivial) | ~2 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main change: validating res.ok before parsing JSON in via-rest.ts.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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 PR with unit tests

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