Release oxlint v0.9.0

[oxc-bot]

[0.9.0] - 2024-08-26

• 5946748 linter: [BREAKING] Parse and display syntax errors for regular expressions (feat(linter)!: parse and display syntax errors for regular expressions #5214) (Boshen)

• b894d3b linter: [BREAKING] Make no-unused-vars correctness (feat(linter)!: make no-unused-vars correctness #5081) (DonIsaac)

Features

• 1ce9630 linter/config: Implement FromIterator for LintPluginOptions (feat(linter/config): implement FromIterator for LintPluginOptions #5102) (DonIsaac)
• 34bfaf6 linter/react: Add fixer to jsx-props-no-spread-multi (feat(linter/react): add fixer to jsx-props-no-spread-multi #5145) (camc314)
• 982bd6e linter/unicorn: Add fixer to require-array-join-separator (feat(linter/unicorn): add fixer to require-array-join-separator #5152) (camc314)
• a6704bd linter/unicorn: Add fixer to prefer-set-size (feat(linter/unicorn): add fixer to prefer-set-size #5149) (camc314)
• ac7edcc linter/unicorn: Add fixer to prefer-array-some (feat(linter/unicorn): add fixer to prefer-array-some #5153) (camc314)
• 1d01aa3 linter/unicorn: Add partial fixer for prefer-array-flat (feat(linter/unicorn): add partial fixer for prefer-array-flat #5143) (camc314)
• 22d57f9 linter/unicorn: Add fixer to prefer-string-slice (feat(linter/unicorn): add fixer to prefer-string-slice #5150) (Cameron)
• 2fe4415 linter/unicorn: Add fixer to no-redundant-roles (feat(linter/unicorn): add fixer to no-redundant-roles #5146) (Cameron)
• d35c6f5 linter/unicorn: Add fixer to prefer-regexp-test (feat(linter/unicorn): add fixer to prefer-regexp-test #5151) (Cameron)
• 27db769 linter/unicorn: Add fixer to text-encoding-identifier-case (feat(linter/unicorn): add fixer to text-encoding-identifier-case #5154) (Cameron)
• f7958c4 linter/unicorn: Add prefer-structured-clone (feat(linter/unicorn): add prefer-structured-clone #5095) (Jelle van der Waa)
• 004ffa0 linter/vitest: Implement prefer-each (feat(linter/vitest): implement prefer-each #5203) (dalaoshu)

Bug Fixes

• aaaf26c linter: Error in fixer for prefer-to-have-length (fix(linter): error in fixer for prefer-to-have-length #5197) (dalaoshu)
• 1f5b6b6 linter: Bug in fixer for prefer-to-have-length (fix(linter): bug in fixer for prefer-to-have-length #5164) (dalaoshu)
• 7eb052e linter: no-hex-escape fixer removing regex flags (fix(linter): no-hex-escape fixer removing regex flags #5137) (Cameron)
• 76c66b4 linter/max-lines: Point span to end of file for disable directive to work (fix(linter/max-lines): point span to end of file for disable directive to work #5117) (Boshen)
• 8ff6f2c linter/no-unused-vars: Panic on UsingDeclarations (fix(linter/no-unused-vars): panic on UsingDeclarations #5206) (DonIsaac)
• d29042e linter/no-unused-vars: Function expression in implicit arrow function return (fix(linter/no-unused-vars): function expression in implicit arrow function return #5155) (DonIsaac)
• 36e4a28 linter/no-unused-vars: Panic in variable declarator usage checks (fix(linter/no-unused-vars): panic in variable declarator usage checks #5160) (DonIsaac)
• ba62a71 linter/react: Fixed false positive with missing key inside React.Children.toArray() for fragments (fix(linter/react): Fixed false positive with missing key inside React.Children.toArray() for fragments  #5133) (Earl Chase)
• fd1031a linter/unicorn: Breaking fixer in case statements for no-null (fix(linter/unicorn): breaking fixer in case statements for no-null #5176) (DonIsaac)
• 7b86ed6 linter/unicorn: Handle type casts and parens in no-null (fix(linter/unicorn): handle type casts and parens in no-null #5175) (Don Isaac)
• b629e16 linter/unicorn: Improve diagnostic message for no-null (fix(linter/unicorn): improve diagnostic message for no-null #5172) (DonIsaac)

Performance

• ce454cf Use simdutf8 to validate UTF-8 when reading files (perf: use simdutf8 to validate UTF-8 when reading files  #5196) (dalaoshu)

Refactor

• 543cad6 codegen: Remove some pub APIs (Boshen)
• 0d3661a linter: Remove meaningless span0 (refactor(linter): remove meaningless span0 #5209) (dalaoshu)
• 2a91ef1 linter: eslint/no_redeclare rule use run_on_symbol not run_once (refactor(linter): eslint/no_redeclare rule use run_on_symbol not run_once #5201) (overlookmotel)
• 33599b0 linter: Split options into multiple files (refactor(linter): split options into multiple files #5101) (DonIsaac)
• 7ab6152 linter/unicorn: Clean up no-null (refactor(linter/unicorn): clean up no-null #5174) (DonIsaac)

Testing

• a877e5a linter/no-unused-vars: Ensure type annotations on property accessors are considered used (test(linter/no-unused-vars): ensure type annotations on property accessors are considered used #5183) (DonIsaac)
• 7886618 linter/unicorn: Add fixer tests for no-null (test(linter/unicorn): add fixer tests for no-null #5173) (DonIsaac)

[graphite-app]

Your org has enabled the Graphite merge queue for merging into main

Add the label “merge” to the PR and Graphite will automatically add it to the merge queue when it’s ready to merge. Or use the label “hotfix” to add to the merge queue as a hot fix.

You must have a Graphite account and log in to Graphite in order to use the merge queue. Sign up using this link.

[github-actions]

Oxlint Ecosystem CI

suite	result
rolldown/rolldown	✅
napi-rs/napi-rs	✅
toeverything/affine	✅
preactjs/preact	✅
microsoft/vscode	✅
calcom/cal.com	✅
bbc/simorgh	✅
sidebase/nuxt-auth	✅
elastic/kibana	✅
DefinitelyTyped/DefinitelyTyped	✅

[codspeed-hq]

CodSpeed Performance Report

Merging #5219 will not alter performance

_{Comparing release/oxlint-1724660743 (c89f409) with main (46b641b)}

Summary

✅ 29 untouched benchmarks