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fix(linter/prefer-arrow-callback): preserve TSX generic arrows in fixer#22434

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c/05-14-fix_linter_prefer-arrow-callback_preserve_tsx_generic_arrows_in_fixer
May 14, 2026
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fix(linter/prefer-arrow-callback): preserve TSX generic arrows in fixer#22434
graphite-app[bot] merged 1 commit into
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c/05-14-fix_linter_prefer-arrow-callback_preserve_tsx_generic_arrows_in_fixer

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@camc314 camc314 commented May 14, 2026

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fixes failing ecosystem CI

camc314 commented May 14, 2026

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@camc314 camc314 marked this pull request as ready for review May 14, 2026 16:58
Copilot AI review requested due to automatic review settings May 14, 2026 16:58
@camc314 camc314 self-assigned this May 14, 2026
@camc314 camc314 added the 0-merge Merge with Graphite Merge Queue label May 14, 2026

camc314 commented May 14, 2026

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@github-actions github-actions Bot added the A-linter Area - Linter label May 14, 2026

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Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Fixes the prefer-arrow-callback fixer so that TSX generic type parameter lists (e.g. <T>) are emitted with a trailing comma (<T,>), avoiding ambiguity with JSX when the file is TSX. This is achieved by using the codegen printer instead of copying the source range verbatim.

Changes:

  • Switch build_arrow_text to use RuleFixer and oxc_codegen to print type parameters.
  • Add a TSX test case verifying generic arrow output uses <T,>.
  • Update snapshot to include the new failing case.

Reviewed changes

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

File Description
crates/oxc_linter/src/rules/eslint/prefer_arrow_callback.rs Use codegen to emit type parameters; signature change of build_arrow_text; add tests.
crates/oxc_linter/src/snapshots/eslint_prefer_arrow_callback.snap New snapshot entry for the added failing TSX test.

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codspeed-hq Bot commented May 14, 2026

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Merging this PR will not alter performance

✅ 4 untouched benchmarks
⏩ 47 skipped benchmarks1


Comparing c/05-14-fix_linter_prefer-arrow-callback_preserve_tsx_generic_arrows_in_fixer (f14f8d7) with main (08595fb)2

Open in CodSpeed

Footnotes

  1. 47 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.

  2. No successful run was found on c/05-14-fix_linter_supply_source_type_to_codegen_fixer (98be112) during the generation of this report, so main (08595fb) was used instead as the comparison base. There might be some changes unrelated to this pull request in this report.

@graphite-app graphite-app Bot force-pushed the c/05-14-fix_linter_supply_source_type_to_codegen_fixer branch from 98be112 to 410b814 Compare May 14, 2026 17:08
@graphite-app graphite-app Bot force-pushed the c/05-14-fix_linter_prefer-arrow-callback_preserve_tsx_generic_arrows_in_fixer branch from f14f8d7 to 0854b3a Compare May 14, 2026 17:09
Base automatically changed from c/05-14-fix_linter_supply_source_type_to_codegen_fixer to main May 14, 2026 17:11
@graphite-app graphite-app Bot removed the 0-merge Merge with Graphite Merge Queue label May 14, 2026
@graphite-app graphite-app Bot merged commit 0854b3a into main May 14, 2026
30 checks passed
@graphite-app graphite-app Bot deleted the c/05-14-fix_linter_prefer-arrow-callback_preserve_tsx_generic_arrows_in_fixer branch May 14, 2026 17:13
overlookmotel added a commit that referenced this pull request May 15, 2026
# Oxlint
### 🚀 Features

- 5478fb5 linter/jsdoc: Implement `require-throws-description` rule
(#22386) (Mikhail Baev)
- b46d4de linter: Add `--debug` options and add per-rule timing info
(#22282) (camchenry)
- c73225e linter/eslint: Implement `prefer-arrow-callback` rule (#22312)
(박천(Cheon Park))
- de82b59 linter: Add support for `eslint-plugin-jsx-a11y-x` (#22356)
(mehm8128)
- b170da3 linter: Implement no-implicit-globals (#22249) (Jovi De
Croock)
- f44b6c8 linter: Fill schemas `DummyRuleMap` with built-in rules
(#22288) (Sysix)
- 5cdb80d linter/jsx-a11y/: Implement
no-interactive-element-to-noninteractive-role (#22332) (anarefolio)
- 2749422 linter/jsx-a11y: Add no-noninteractive-element-interactions
(#22337) (Pablo Tovar)
- ba2a1d3 linter/jsdoc: Implement `require-throws-type` rule (#22358)
(Mikhail Baev)
- d90729d linter/jsx-a11y: Implement control-has-associated-label
(#21985) (mehm8128)
- 1d04903 linter/jsdoc: Implement `require-yields-type` rule (#22331)
(Mikhail Baev)

### 🐛 Bug Fixes

- 04c4609 linter/no-nullable-type-assertion-style: Mark as suggestion
(#22450) (camc314)
- 1c2b7ec linter/no-unused-vars: Handle shadowed self assignments
(#22387) (camc314)
- 9faa1d5 linter/no-noninteractive-tabindex: Check conditional
expressions (#22435) (camc314)
- 0854b3a linter/prefer-arrow-callback: Preserve TSX generic arrows in
fixer (#22434) (camc314)
- 410b814 linter: Supply `source_type` to codegen fixer (#22433)
(camc314)
- 3c1bb6f linter: Skip per-node dispatch for run_once-only rules in
large files (#22398) (Connor Shea)
- 5206cde linter/no-unused-vars: Improve type-only rest parameters
diagnostic (#22385) (camc314)
- c9a22b5 linter/consistent-function-scoping: Allow imported bindings
(#22384) (camc314)
- c1e966d linter: Report type-only unused parameters in no-unused-vars
(#22368) (camchenry)
- 4818d98 linter: Check whether path is under root before ignoring it
(#20101) (Leonabcd123)
- 41fcdcf linter: Fix rule count not including override rules (#19898)
(Daniel Osmond)
- 59b4f0e linter: Fix 'explicit-module-boundary-types' false positive
with 'allowOverloadFunctions' (#22341) (camchenry)

### ⚡ Performance

- 6d42395 linter: Narrow no-unsafe-optional-chaining dispatch (#22437)
(camchenry)
- 08595fb linter: Optimize no-unreachable (#22397) (camchenry)
- 3b46a8d linter: Optimize `no-loss-of-precision` (#22395) (camchenry)
- b3e2dc9 linter: Optimize `oxc/bad-array-method-on-arguments` (#22393)
(camchenry)

### 📚 Documentation

- dcbf62c linter: Remove some duplicate spaces (#22359) (camc314)
# Oxfmt
### 💥 BREAKING CHANGES

- 21bb5d1 oxfmt: [**BREAKING**] Avoid config pre-scan (#22258)
(leaysgur)

### 🐛 Bug Fixes

- 441d724 oxfmt: Fix "race probe" logic with unit tests (#22378)
(leaysgur)
- e49ee26 formatter: Respect `singleQuote` for jsdoc `import()` type
paths (#22353) (Colin Lienard)
- 43b9978 formatter/sort_imports: Treat subpath imports as internal
(#22440) (leaysgur)
- 7c5cfa0 formatter: Handle jsx trailing comment with parens (#22370)
(leaysgur)
- ac5f120 formatter: Fix erroneous formatting inside a template literal
with parentheses (#22262) (Jovi De Croock)
- 3c53a95 formatter/sort_imports: Handle ignore comment as boundary
(#22369) (leaysgur)
- 4dd83dd oxfmt: Send expandedStates variants as shared refs (#22366)
(leaysgur)
- 055cc61 formatter: Expand JSX logical chain with leading line comment
(#22346) (leaysgur)
- 8046222 formatter: Preserve type alias comment break (#22261) (Jovi De
Croock)

### ⚡ Performance

- 123c493 oxfmt: Reduce more syscalls (#22380) (leaysgur)

Co-authored-by: overlookmotel <[email protected]>
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