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@killagu killagu commented Dec 4, 2024

Summary by CodeRabbit

  • New Features

    • Enhanced error handling in the fetch functionality for better diagnostics and tracking of request timing.
    • Improved compatibility with Node.js 16 by ensuring the presence of global objects.
  • Bug Fixes

    • Added robust error handling for socket information retrieval during fetch operations.
  • Tests

    • Introduced a new test case for the fetch function to validate error handling and ensure diagnostic messages include socket information.

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coderabbitai bot commented Dec 4, 2024

Walkthrough

The changes in this pull request enhance the fetch method in the FetchFactory class and the updateSocketInfo function to improve error handling and diagnostics. The fetch method now better populates the urllibResponse object with relevant response data and tracks performance timing during errors. Additionally, the updateSocketInfo function has been modified to retrieve socket information from both internalOpaque and error objects, while ensuring compatibility with Node.js 16. A new test case has been added to verify the error handling behavior of the fetch function.

Changes

File Change Summary
src/fetch.ts Enhanced fetch method for better error handling and structured response processing; updated method signature.
src/utils.ts Modified updateSocketInfo to retrieve socket from internalOpaque or error; updated patchForNode16 for Node.js 16 compatibility.
test/fetch.test.ts Added a new test case for error handling in the fetch function, ensuring diagnostics capture socket info.

Possibly related PRs

  • feat: exports undici #554: The changes in this PR also modify the fetch method in src/fetch.ts, specifically focusing on error handling and diagnostics publishing, which relates closely to the enhancements made in the main PR regarding error handling and diagnostics.
  • fix: fix socket info in fetch response #555: This PR addresses socket information in the response, which is directly relevant to the changes made in the main PR that enhance error handling and diagnostics related to socket information during fetch operations.

Suggested reviewers

  • fengmk2

🐇 In the code, I hop and play,
Enhancing fetch in a clever way.
With sockets tracked and errors caught,
Diagnostics shine, as they ought!
So let’s fetch forth, with joy and cheer,
A robust method, let’s all revere! 🐇✨


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pkg-pr-new bot commented Dec 4, 2024

Open in Stackblitz

npm i https://pkg.pr.new/node-modules/urllib@556

commit: 44992df

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Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (2)
test/fetch.test.ts (1)

61-61: Fix grammatical error in test name

The test name "fetch error should has socket info" contains a grammatical error.

-  it('fetch error should has socket info', async () => {
+  it('fetch error should have socket info', async () => {
src/fetch.ts (1)

221-222: Consider enhancing error type handling

The error handling looks good with the addition of socket info update and timing. Consider adding specific handling for different error types (network errors, timeout errors, etc.) for better diagnostics.

    } catch (e: any) {
+     const errorType = e instanceof DOMException ? e.name : 'NetworkError';
      updateSocketInfo(socketInfo, internalOpaque /* , rawError */);
      urllibResponse.rt = performanceTime(requestStartTime);
+     urllibResponse.errorType = errorType;
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between f2610d5 and 44992df.

📒 Files selected for processing (3)
  • src/fetch.ts (1 hunks)
  • src/utils.ts (1 hunks)
  • test/fetch.test.ts (1 hunks)
🔇 Additional comments (1)
src/utils.ts (1)

162-162: LGTM! Socket info retrieval enhancement

The addition of error socket fallback using nullish coalescing is a good improvement for more reliable socket info retrieval.

Comment on lines +84 to +86
} catch (error) {
console.log(error);
}
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🛠️ Refactor suggestion

Improve error handling in test

The current error handling simply logs the error without any assertions. Consider adding explicit error type checking and assertions.

    } catch (error) {
-     console.log(error);
+     expect(error).toBeInstanceOf(DOMException);
+     expect(error.name).toBe('TimeoutError');
    }
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
} catch (error) {
console.log(error);
}
} catch (error) {
expect(error).toBeInstanceOf(DOMException);
expect(error.name).toBe('TimeoutError');
}

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codecov bot commented Dec 4, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.60%. Comparing base (629c7a3) to head (44992df).
Report is 2 commits behind head on master.

Additional details and impacted files
@@            Coverage Diff             @@
##           master     #556      +/-   ##
==========================================
+ Coverage   93.69%   94.60%   +0.90%     
==========================================
  Files          11       11              
  Lines        1221     1223       +2     
  Branches      295      297       +2     
==========================================
+ Hits         1144     1157      +13     
+ Misses         73       62      -11     
  Partials        4        4              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

@killagu killagu merged commit e9f4258 into master Dec 4, 2024
24 checks passed
@killagu killagu deleted the fix/socket_info branch December 4, 2024 16:35
fengmk2 pushed a commit that referenced this pull request Dec 4, 2024
[skip ci]

## [4.6.2](v4.6.1...v4.6.2) (2024-12-04)

### Bug Fixes

* fix socket info if fetch failed ([#556](#556)) ([e9f4258](e9f4258))
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2 participants