release(oxlint): v1.9.0

[oxc-bot]

[1.9.0] - 2025-07-29

💥 BREAKING CHANGES

• 5a7e72a semantic: [BREAKING] AstNodes::program return &Program not Option<&Program> (refactor(semantic)!: AstNodes::program return &Program not Option<&Program> #12515) (overlookmotel)

🚀 Features

• 3489ce0 linter: Add typescript-eslint/explicit-module-boundary-types (feat(linter): add typescript-eslint/explicit-module-boundary-types #12402) (Don Isaac)

🐛 Bug Fixes

• 0fd3e87 linter: Default options for eslint/yoda (fix(linter): default options for eslint/yoda #12540) (Sysix)
• 724776f linter: Default options for unicorn/switch-case-braces (fix(linter): default options for unicorn/switch-case-braces #12539) (Sysix)
• fda45ea linter/promise/prefer-await-to-callbacks: False positive for addEventListener (fix(linter/promise/prefer-await-to-callbacks): false positive for addEventListener #12537) (Copilot)
• 1a710e3 linter/array-type: Fix more false negatives (fix(linter/array-type): fix more false negatives #12501) (camc314)
• 2b5bf98 linter: Consistent-function-scoping false positive with hoisted var declarations (fix(linter): consistent-function-scoping false positive with hoisted var declarations #12523) (camc314)
• cc19c8b vscode: Fix statusbar icon order (fix(vscode): fix statusbar icon order #12544) (Christian Fehmer)
• 209d006 linter: Parse vue lang attribute without quotes (fix(linter): parse vue lang attribute without quotes #12517) (Sysix)
• 85a34ce linter/array-type: False negative with arrays in generic args (fix(linter/array-type): false negative with arrays in generic args #12500) (camc314)
• 98c1fbb linter/require-await: Improve async keyword detection in get_delete_span function (fix(linter/require-await): improve async keyword detection in get_delete_span function #12494) (camc314)
• 7c75dba linter/require-await: Improve span calculation for object properties (fix(linter/require-await): improve span calculation for object properties #12490) (camc314)
• 2b261cf linter/exhaustive-deps: False positive in exhaustive deps (fix(linter/exhaustive-deps): false positive in exhaustive deps #12471) (camc314)

🚜 Refactor

• a696227 linter: Remove AstKind for SimpleAssignmentTarget (refactor(linter): remove AstKind for SimpleAssignmentTarget #12401) (Tyler Earls)
• 7af38e1 napi/oxlint: Simplify ExternalLinterLintFileCb type (refactor(napi/oxlint): simplify ExternalLinterLintFileCb type #12572) (overlookmotel)
• 543fd53 napi/oxlint: Rename run to lintFile (refactor(napi/oxlint): rename run to lintFile #12567) (overlookmotel)
• 0179c86 napi/oxlint: Reverse args of ExternalLinter::new (refactor(napi/oxlint): reverse args of ExternalLinter::new #12566) (overlookmotel)
• 491c401 linter: Remove #[must_use] from LintService::with_* methods (refactor(linter): remove #[must_use] from LintService::with_* methods #12560) (overlookmotel)
• d44b0ac linter: Remove Runner trait (refactor(linter): remove Runner trait #12559) (overlookmotel)
• bea652f linter: Add vue and regex to BuiltinLintPlugins (refactor(linter): add vue and regex to BuiltinLintPlugins #12542) (Sysix)
• aa9dd21 linter/no-eval: Get source type from Semantic (refactor(linter/no-eval): get source type from Semantic #12514) (overlookmotel)
• 5c33fc7 diagnostics: Implement Eq and Ord for InfoPosition (refactor(diagnostics): implement Eq and Ord for InfoPosition #12505) (overlookmotel)
• 8c8c8bc napi/oxlint: Diagnostics communicate which rule via rule index, not rule ID (refactor(napi/oxlint): diagnostics communicate which rule via rule index, not rule ID #12482) (overlookmotel)
• e2d9b4d fixer: Add Debug trait to PossibleFixes and Message structs (refactor(fixer): add Debug trait to PossibleFixes and Message structs #12493) (camc314)
• f0b1f0d napi/oxlint, napi/parser: Remove source length from RawTransferMetadata (refactor(napi/oxlint, napi/parser): remove source length from RawTransferMetadata #12483) (overlookmotel)
• 7e4959a napi/oxlint: Rename rules to ruleNames (refactor(napi/oxlint): rename rules to ruleNames #12477) (overlookmotel)
• 7a0da04 diagnostics: Remove Option wrapper from MPSC channel and sender field (refactor(diagnostics): remove Option wrapper from MPSC channel and sender field #12467) (camc314)

🧪 Testing

• 56468c7 linter/no-unused-private-class-members: Add more test cases (test(linter/no-unused-private-class-members): add more test cases #12569) (camc314)
• 191a164 linter/no-unused-private-class-members: Add more test cases (test(linter/no-unused-private-class-members): add more test cases #12563) (camc314)
• d31adcf linter: Improve sorting diagnostics (test(linter): improve sorting diagnostics #12504) (overlookmotel)

[graphite-app]

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[github-actions]

Oxlint Ecosystem CI

suite	result
toeverything/affine	✅
PostHog/posthog	❌
calcom/cal.com	✅
bbc/simorgh	✅
DefinitelyTyped/DefinitelyTyped	✅
vercel/next.js	✅
rolldown/rolldown	✅
preactjs/preact	✅
oven-sh/bun	❌
microsoft/vscode	✅
napi-rs/napi-rs	✅
sidebase/nuxt-auth	✅
elastic/kibana	✅
Milkdown/milkdown	✅
nestjs/nest	✅
bluesky-social/social-app	✅
monkeytypegame/monkeytype	✅
outline/outline	✅

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #12582 will not alter performance

_{Comparing release/oxlint-1753778097 (ec53634) with main (a696227)}

Summary

✅ 34 untouched benchmarks