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fix: limit concurrent contributor requests - #422

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GaneshDeshmane:fix/contributor-request-concurrency
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GaneshDeshmane wants to merge 2 commits into
AOSSIE-Org:mainfrom
GaneshDeshmane:fix/contributor-request-concurrency

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@GaneshDeshmane

@GaneshDeshmane GaneshDeshmane commented Oct 27, 2026 •

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Addressed Issues

Fixes #420

Screenshots/Recordings

Not applicable. This change affects internal API request handling and does not change the UI.

Additional Notes

  • Process contributor-fetch requests in sequential batches of five repositories to limit concurrent GitHub API calls when a PAT is configured.
  • Preserve existing rate-limit error handling.
  • Add a regression test verifying that contributor-fetch concurrency does not exceed five requests.
  • Add a ResizeObserver mock to the Vitest setup to support component tests.

Validation

  • Focused tests: 8 passed.
  • Full test suite: 99 tests passed across 12 files.
  • Production build: npm run build succeeds.
  • git diff --check passes.
  • Vite reports a large JavaScript bundle warning.

Checklist

  • My code follows the project's code style and conventions.
  • I have made corresponding changes to the documentation.
  • My changes generate no new warnings or errors.
  • I have joined the [Discord server](https://discord.gg/hjUhu33uAn) and will share a link to this PR with the project maintainers there.
  • I have read the [Contributing Guidelines](./CONTRIBUTING.md).

⚠️ AI Notice

I used AI assistance during development, reviewed the proposed changes, and verified the regression test, complete test suite, and production build.

@coderabbitai

coderabbitai Bot commented Oct 27, 2026 •

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Review in Change Stack →

Walkthrough

AppProvider.explore now fetches contributors in sequential batches of up to five repositories. A RATE_LIMIT rejection still aborts exploration. Test setup now defines a global no-op ResizeObserver stub.

Changes

Contributor request batching

Layer / File(s) Summary
Batch contributor requests and test setup
src/context/AppContext.jsx, src/test/setup.js
AppProvider.explore awaits batches of up to five contributor requests. A RATE_LIMIT rejection still aborts exploration; other rejections remain settled. Test setup defines a global ResizeObserver stub with no-op methods.

Priority: Normal

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

Change: Bug fix · Severity of issue fixed: Medium

Sequence Diagram(s)

sequenceDiagram
  participant AppProvider as AppProvider.explore
  participant ContributorFetcher as fetchContributors
  participant GitHub as GitHub API
  AppProvider->>ContributorFetcher: Request contributors for repositories in a batch of up to five
  ContributorFetcher->>GitHub: Fetch contributor data
  GitHub-->>ContributorFetcher: Return data or RATE_LIMIT rejection
  ContributorFetcher-->>AppProvider: Return settled batch results
  AppProvider->>AppProvider: Await batch and continue to the next batch
Loading

Possibly related issues

  • #249: Requests API throttling and batching to reduce GitHub rate-limit failures. This change batches contributor requests during analysis.

Possibly related PRs

  • AOSSIE-Org/OrgExplorer#397: Expands PAT repository fetching to include all available pages. This affects the set of repositories whose contributor requests are batched.

Suggested labels: Typescript Lang

Suggested reviewers: ri1tik

Merge Risk: Low · up to 2e988

The batching change is untested at its critical boundary, so a later regression could again create excessive concurrent contributor requests.

Pre-merge checks: Passed 2 · Failed 2

Failed Failed checks: 2 warnings

Check name Status Explanation Resolution
Linked Issues check Warning For [#420], AppProvider.explore now processes contributor requests in sequential batches of five and retains the RATE_LIMIT abort check. However, the current PR description also requires a regress… Add a regression test that measures active contributor requests during explore() and fails when more than five requests run concurrently. Run the complete test suite after adding the test.
Out of Scope Changes check Warning The contributor batching change is within [#420]. The added global ResizeObserver mock in src/test/setup.js has no connected contributor-fetch code or regression test in this pull request. It is u… Remove the ResizeObserver mock from this pull request, or include a directly related test change that requires the mock and explain that connection.
Passed Passed checks: 2 passed
Check name Status Explanation
Description Check Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check Passed The title "fix: limit concurrent contributor requests" matches the main change. The PR caps contributor fetching at batches of five repositories per organization, which addresses issue #420 (unthrottl…
Full details: Title check

Explanation

The title "fix: limit concurrent contributor requests" matches the main change. The PR caps contributor fetching at batches of five repositories per organization, which addresses issue #420 (unthrottled requests that trigger rate-limit errors). The title is concise, follows a conventional commit prefix, and names the primary behavior change. It does not mention the ResizeObserver test stub, which is a minor supporting change and does not need to appear in the title.

Full details: Linked Issues check

Explanation

For [#420], AppProvider.explore now processes contributor requests in sequential batches of five and retains the RATE_LIMIT abort check. However, the current PR description also requires a regression test for the five-request limit. The complete diff adds no regression test or test-file change, so that automated-test requirement is not met.

Resolution

Add a regression test that measures active contributor requests during explore() and fails when more than five requests run concurrently. Run the complete test suite after adding the test.

Full details: Out of Scope Changes check

Explanation

The contributor batching change is within [#420]. The added global ResizeObserver mock in src/test/setup.js has no connected contributor-fetch code or regression test in this pull request. It is unrelated test-environment behavior and is outside the linked issue scope as reviewed.

Resolution

Remove the ResizeObserver mock from this pull request, or include a directly related test change that requires the mock and explain that connection.

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A rabbit counts each repo in line
Five requests hop, then wait their time
The next small batch begins its run
A rate-limit thump can stop the fun
ResizeObserver naps through tests
And leaves the setup at its best

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@github-actions github-actions Bot added bug Something isn't working enhancement New feature or request frontend Frontend changes javascript JavaScript/TypeScript changes tests Test changes size/S 11-50 lines changed first-time-contributor First time contributor and removed size/S 11-50 lines changed labels Oct 27, 2026

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Actionable comments posted: 1


  • 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @src/context/AppContext.jsx:
- Line 230: Add a regression test in the AppContext explore tests using more
than five repositories and deferred contributor-fetch requests; assert that no
more than five requests are active at once and that the next batch starts only
after the first batch settles.

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Reviewing files that changed from the base of the PR and between b396d1b and 2e988ba.

Files selected for processing: 2
  • src/context/AppContext.jsx
  • src/test/setup.js

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Comment thread src/context/AppContext.jsx
@github-actions github-actions Bot added size/M 51-200 lines changed and removed size/S 11-50 lines changed size/M 51-200 lines changed labels Oct 27, 2026
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gitcordapp Bot commented Oct 27, 2026

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@GaneshDeshmane GaneshDeshmane changed the title fix: limit concurrent contributor requests fix: limit concurrent contributor requests #399 Oct 27, 2026
@GaneshDeshmane GaneshDeshmane changed the title fix: limit concurrent contributor requests #399 fix: limit concurrent contributor requests Oct 27, 2026
@github-actions github-actions Bot added size/M 51-200 lines changed and removed size/M 51-200 lines changed labels Oct 27, 2026

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bug Something isn't working enhancement New feature or request first-time-contributor First time contributor frontend Frontend changes javascript JavaScript/TypeScript changes size/M 51-200 lines changed tests Test changes

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Successfully merging this pull request may close these issues.

[BUG]: Unthrottled concurrent contributor fetching causes secondary rate limit crash during complete analysis with PAT

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