Harded code assist converter. #18656

jacob314 · 2026-02-09T18:27:53Z

Summary

To Repro, auth with google and verify things work.
We should also rollback on the backend.

gemini-cli · 2026-02-09T18:28:07Z

Hi @jacob314, thank you so much for your contribution to Gemini CLI! We really appreciate the time and effort you've put into this.

We're making some updates to our contribution process to improve how we track and review changes. Please take a moment to review our recent discussion post: Improving Our Contribution Process & Introducing New Guidelines.

Key Update: Starting January 26, 2026, the Gemini CLI project will require all pull requests to be associated with an existing issue. Any pull requests not linked to an issue by that date will be automatically closed.

Thank you for your understanding and for being a part of our community!

gemini-code-assist · 2026-02-09T18:28:10Z

Summary of Changes

Hello @jacob314, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on improving the resilience and stability of the code assist converter by making its fromGenerateContentResponse function more robust. It introduces explicit checks for potentially missing or undefined properties within the input response object, such as the main response field and the candidates array. This ensures that the conversion process can proceed without errors, even when dealing with unexpected or incomplete data structures, thereby enhancing the overall reliability of the code assist feature.

Highlights

Robustness Improvement: The fromGenerateContentResponse function has been enhanced to gracefully handle cases where the response property or candidates array might be missing or undefined in the input CaGenerateContentResponse object.
Error Prevention: This change prevents potential runtime errors by ensuring that the candidates property is always initialized as an array, even when the source data is incomplete or malformed.
New Test Coverage: A new unit test has been added to specifically validate the function's ability to handle missing response properties, ensuring the converter's resilience.

Changelog

packages/core/src/code_assist/converter.test.ts
- Added a new test case to verify that fromGenerateContentResponse handles a missing response property gracefully, setting responseId and an empty candidates array.
packages/core/src/code_assist/converter.ts
- Modified fromGenerateContentResponse to check if res.response exists before accessing its properties. If res.response is missing, candidates is initialized as an empty array.
- Updated the assignment of out.candidates to use the nullish coalescing operator (?? []) to ensure it is always an array, even if inres.candidates is undefined.
- Reordered the assignment of out.responseId to occur earlier in the function for consistency.

Activity

No activity has been recorded for this pull request yet.

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gemini-code-assist

Code Review

This pull request hardens the fromGenerateContentResponse function in the code assist converter to gracefully handle malformed API responses where the response field might be missing. This is a good improvement that prevents potential runtime errors. A new unit test is also added to verify this behavior. I have one suggestion to further simplify the implementation for better readability and maintainability.

gemini-code-assist · 2026-02-09T18:29:38Z

packages/core/src/code_assist/converter.ts

+  if (!inres) {
+    out.candidates = [];
+    return out;
+  }
+  out.candidates = inres.candidates ?? [];
  out.automaticFunctionCallingHistory = inres.automaticFunctionCallingHistory;
  out.promptFeedback = inres.promptFeedback;
  out.usageMetadata = inres.usageMetadata;
  out.modelVersion = inres.modelVersion;


While the current implementation is correct, it can be simplified by removing the conditional branch and early return. Using optional chaining (?.) for all property assignments from inres would make the code more concise, readable, and create a single execution path. This reduces complexity and makes the function easier to maintain and less prone to errors in future modifications.

Suggested change

if (!inres) {

out.candidates = [];

return out;

}

out.candidates = inres.candidates ?? [];

out.automaticFunctionCallingHistory = inres.automaticFunctionCallingHistory;

out.promptFeedback = inres.promptFeedback;

out.usageMetadata = inres.usageMetadata;

out.modelVersion = inres.modelVersion;

out.candidates = inres?.candidates ?? [];

out.automaticFunctionCallingHistory = inres?.automaticFunctionCallingHistory;

out.promptFeedback = inres?.promptFeedback;

out.usageMetadata = inres?.usageMetadata;

out.modelVersion = inres?.modelVersion;

github-actions · 2026-02-09T18:30:26Z

Size Change: +67 B (0%)

Total Size: 23.9 MB

ℹ️ View Unchanged

Filename	Size	Change
`./bundle/gemini.js`	23.8 MB	+67 B (0%)
`./bundle/sandbox-macos-permissive-closed.sb`	1.03 kB	0 B
`./bundle/sandbox-macos-permissive-open.sb`	890 B	0 B
`./bundle/sandbox-macos-permissive-proxied.sb`	1.31 kB	0 B
`./bundle/sandbox-macos-restrictive-closed.sb`	3.29 kB	0 B
`./bundle/sandbox-macos-restrictive-open.sb`	3.36 kB	0 B
`./bundle/sandbox-macos-restrictive-proxied.sb`	3.56 kB	0 B

_{compressed-size-action}

gundermanc

LGTM.

Validated that it works with my repro.

jbianchini-peya · 2026-02-09T20:32:45Z

skeshive · 2026-02-09T21:06:13Z

/patch stable

github-actions · 2026-02-09T21:06:37Z

✅ Patch workflow(s) dispatched successfully!

📋 Details:

Channels: stable
Commit: 07056c8f16a9340aedcc716a5c247da07c135cf2
Workflows Created: 1

🔗 Track Progress:

skeshive · 2026-02-09T21:08:38Z

/patch preview

github-actions · 2026-02-09T21:09:06Z

✅ Patch workflow(s) dispatched successfully!

📋 Details:

Channels: preview
Commit: 07056c8f16a9340aedcc716a5c247da07c135cf2
Workflows Created: 1

🔗 Track Progress:

github-actions · 2026-02-09T21:09:31Z

🚀 Patch PR Created!

📋 Patch Details:

Environment: prod
Channel: stable → will publish to npm tag latest
Commit: 07056c8f16a9340aedcc716a5c247da07c135cf2
Hotfix Branch: hotfix/v0.27.3/0.27.4/stable/cherry-pick-07056c8/pr-18656
Hotfix PR: #18671

📝 Next Steps:

Review and approve the hotfix PR: #18671
Once merged, the patch release will automatically trigger
You'll receive updates here when the release completes

🔗 Track Progress:

View hotfix PR #18671

github-actions · 2026-02-09T21:10:21Z

🚀 Patch PR Created!

📋 Patch Details:

Environment: prod
Channel: preview → will publish to npm tag preview
Commit: 07056c8f16a9340aedcc716a5c247da07c135cf2
Hotfix Branch: hotfix/v0.28.0-preview.6/0.28.0-preview.7/preview/cherry-pick-07056c8/pr-18656
Hotfix PR: #18672

📝 Next Steps:

Review and approve the hotfix PR: #18672
Once merged, the patch release will automatically trigger
You'll receive updates here when the release completes

🔗 Track Progress:

View hotfix PR #18672

Harded code assist converter.

5f61531

jacob314 requested a review from a team as a code owner February 9, 2026 18:27

jacob314 enabled auto-merge February 9, 2026 18:29

gemini-code-assist bot reviewed Feb 9, 2026

View reviewed changes

gemini-cli bot added priority/p0 Critical and urgent (e.g., critical security vulnerability, major breakage). area/agent Issues related to Core Agent, Tools, Memory, Sub-Agents, Hooks, Agent Quality labels Feb 9, 2026

gundermanc approved these changes Feb 9, 2026

View reviewed changes

jacob314 added this pull request to the merge queue Feb 9, 2026

github-merge-queue bot removed this pull request from the merge queue due to no response for status checks Feb 9, 2026

jacob314 added this pull request to the merge queue Feb 9, 2026

Merged via the queue into main with commit 07056c8 Feb 9, 2026
29 checks passed

jacob314 deleted the fix_crash branch February 9, 2026 21:05

github-actions bot pushed a commit that referenced this pull request Feb 9, 2026

Harded code assist converter. (#18656)

5b81e93

github-actions bot pushed a commit that referenced this pull request Feb 9, 2026

Harded code assist converter. (#18656)

05149d2

Harded code assist converter. #18656

Harded code assist converter. #18656

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jacob314 commented Feb 9, 2026 •

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