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feat(linter): add fixer for unicorn/prefer-response-static-json rule#17559

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camc314 merged 1 commit intooxc-project:mainfrom
baevm:fixer-prefer-response-static-json
Jan 1, 2026
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feat(linter): add fixer for unicorn/prefer-response-static-json rule#17559
camc314 merged 1 commit intooxc-project:mainfrom
baevm:fixer-prefer-response-static-json

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@baevm baevm commented Jan 1, 2026

this PR adds fixer for unicorn/prefer-response-static-json rule.

I used Claude to parse the Unicorn snapshot
and convert it into fixer tests instead of doing it manually, i checked it and it should be correct, but maybe there is cleaner way of doing it?

@baevm baevm requested a review from camc314 as a code owner January 1, 2026 14:23
Copilot AI review requested due to automatic review settings January 1, 2026 14:23
@github-actions github-actions bot added A-linter Area - Linter C-enhancement Category - New feature or request labels Jan 1, 2026
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Pull request overview

This PR adds an automatic fixer for the unicorn/prefer-response-static-json rule, which transforms new Response(JSON.stringify(data)) into the more concise Response.json(data).

  • Implements comprehensive fixer logic handling parentheses, comments, and ASI hazards
  • Updates rule category from pending to suggestion now that a fixer is available
  • Adds extensive test cases covering edge cases like parenthesized callees, comments between keywords, and ASI scenarios

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Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File Description
crates/oxc_linter/src/rules/unicorn/prefer_response_static_json.rs Implements the fixer logic with support for comment preservation, ASI hazard detection, and parenthesis handling; adds comprehensive fix test cases; changes rule category to suggestion
crates/oxc_linter/src/snapshots/unicorn_prefer_response_static_json.snap Updates test snapshots to include help messages for each diagnostic

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codspeed-hq bot commented Jan 1, 2026

CodSpeed Performance Report

Merging #17559 will not alter performance

Comparing baevm:fixer-prefer-response-static-json (c8620d9) with main (bb2e8e4)1

Summary

✅ 4 untouched
⏩ 41 skipped2

Footnotes

  1. No successful run was found on main (9200308) during the generation of this report, so bb2e8e4 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report.

  2. 41 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports.

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Thank you!

@camc314 camc314 self-assigned this Jan 1, 2026
@camc314 camc314 merged commit b67e819 into oxc-project:main Jan 1, 2026
26 checks passed
nilptr pushed a commit to nilptr/oxc that referenced this pull request Jan 1, 2026
oxc-project#17559)

this PR adds fixer for `unicorn/prefer-response-static-json` rule.

I used Claude to parse the [Unicorn snapshot](https://github.com/sindresorhus/eslint-plugin-unicorn/blob/main/test/snapshots/prefer-response-static-json.js.md?plain=1)
and convert it into fixer tests instead of doing it manually, i checked
it and it should be correct, but maybe there is cleaner way of doing it?
graphite-app bot pushed a commit that referenced this pull request Jan 5, 2026
# Oxlint
### 💥 BREAKING CHANGES

- f7da875 oxlint: [**BREAKING**] Remove oxc_language_server binary (#17457) (Boshen)

### 🚀 Features

- 659c23e linter: Init note field boilerplate  (#17589) (Shrey Sudhir)
- 6870b64 parser: Add TS1363 error code (#17609) (Sysix)
- 6154c8c linter/eslint-plugin-vitest: Implemented vitest/warn-todo rule (#17228) (Said Atrahouch)
- 0043cd6 linter/eslint-plugin-vitest: Implement consistent-vitest-vi rule (#17389) (Said Atrahouch)
- a6d773d linter: Add full TS support to eslint/no-useless-constructor (#17592) (camc314)
- f02c0e7 linter/eslint: Implement complexity (#17569) (Nguyen Tran)
- bc7aae7 linter/no-unused-vars: Add fixer to remove unused catch bindings (#17567) (Don Isaac)
- 9e8ec78 linter/only-throw-error rule: Add `allowRethrowing` option for  (#17554) (camc314)
- b67e819 linter: Add fixer for `unicorn/prefer-response-static-json` rule (#17559) (Mikhail Baev)
- 44b0361 linter/vue: Implement no-this-in-before-route-enter (#17525) (yefan)
- ee34716 linter/react: Implement no-will-update-set-state (#17530) (Kenzo Wada)
- 3088e1d linter/react: Implement no-this-in-sfc (#17535) (Kenzo Wada)
- 29a2868 linter/jsx-a11y: Implement no-static-element-interactions (#17538) (Kenzo Wada)
- eadf057 linter: Enable tsconfig auto discovery by default (#17489) (Boshen)
- 12a7d6e website_linter: Add a count of rules with fixes available to rules table. (#17476) (Connor Shea)

### 🐛 Bug Fixes

- a702f13 oxlint/lsp: Correct position for "disable for this file" with shebang (#17613) (Sysix)
- 19fdfb6 linter: Panic in `sort-keys` rule with Unicode numeric characters (#17629) (Adel Rodríguez)
- 2e8f469 vscode: Search for `node_modules/.bin/oxlint.exe` too (bun setup) (#17597) (Sysix)
- be39906 linter/aria-proptypes: Allow template literals with expressions for string-type ARIA props (#17460) (Jökull Sólberg Auðunsson)
- 529901c linter: Include JS plugin rules when calculating total rule count (#17520) (connorshea)
- 96ef2cc linter: Print total rule # when using a single nested config (#17517) (connorshea)
- 9ad0f29 oxlint: Do not enable external plugin store when no external linter is passed (#17498) (Sysix)
- 174375d oxfmt,oxlint: Disable mimalloc for 32-bit Arm targets (#17473) (Yaksh Bariya)
- ff70fe9 linter/no-standalone-expect: Allows expect in wrapper functions passed to test blocks (#17427) (Copilot)
- dab232f linter/catch-or-return: Handle arrow functions with implicit returns correctly (#17440) (Copilot)
- a38892a linter: Update no-unnecessary-template-expression docs and test case (#17453) (camc314)

### ⚡ Performance

- 605dbf1 vscode: Restrict searching for oxlint/oxfmt binaries only 3 levels deep + 10s timeout (#17345) (Sysix)

### 📚 Documentation

- 884fb63 linter/react: Improve docs for jsx-curly-brace-presence (#17579) (connorshea)
- 1d3ee07 linter: Improve rule explanation for `vue/no-this-in-before-route-enter`. (#17581) (connorshea)
- 5f189f8 linter/arrow-body-style: Correctly document default mode option (#17566) (Rägnar O'ock)
- bb2e8e4 linter: Add a note to the `typescript/no-var-requires` rule about the missing `allow` option (#17551) (connorshea)
- 655afc1 linter: Improve docs for `import/extensions` and add a few more tests (#17539) (connorshea)
- 7e5fc90 linter: Update list of plugins that are reserved. (#17516) (connorshea)
# Oxfmt
### 💥 BREAKING CHANGES

- f7da875 oxlint: [**BREAKING**] Remove oxc_language_server binary (#17457) (Boshen)

### 🚀 Features

- 8fd4ea9 oxfmt: `options.embeddedLanguageFormatting` is now `"auto"` by default (#17649) (leaysgur)

### 🐛 Bug Fixes

- c9b5d7d formatter/sort_imports: Handle alignable_comment correctly (#17646) (leaysgur)
- 453222d formatter: Missing comment handling for end-of-line comments in member chains (#17659) (Dunqing)
- 0805ff2 formatter: Incorrect inline comment placement in try-catch (#17657) (Dunqing)
- 3a0c782 formatter: Don't move comments into optional call parentheses (#17582) (magic-akari)
- 174375d oxfmt,oxlint: Disable mimalloc for 32-bit Arm targets (#17473) (Yaksh Bariya)

### ⚡ Performance

- abb28dc oxfmt: Turn of pretty print from sort-package-json (#17452) (Boshen)
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