Update dependency eslint to v9 #33
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This PR contains the following updates:
^8.57.1->^9.0.0Release Notes
eslint/eslint (eslint)
v9.13.0Compare Source
Features
381c32bfeat: Allow languages to providedefaultLanguageOptions(#19003) (Milos Djermanovic)bf723bdfeat: Improve eslintrc warning message (#19023) (Milos Djermanovic)1def4cdfeat: drop support for jiti v1.21 (#18996) (Francesco Trotta)f879be2feat: exportESLint.defaultConfig(#18983) (Nitin Kumar)Bug Fixes
78836d4fix: update thecomplexityrule type (#19027) (Nitin Kumar)064c8b6fix: update rule types (#18925) (Nitin Kumar)Documentation
abdbfa8docs: markLintMessage#nodeTypeas deprecated (#19019) (Nitin Kumar)19e68d3docs: update deprecated rules type definitions (#19018) (Nitin Kumar)7dd402ddocs: Update examples of passing multiple values to a CLI option (#19006) (Milos Djermanovic)5dcbc51docs: Add example with side-effect imports to no-restricted-imports (#18997) (Milos Djermanovic)1ee87cadocs: Update README (GitHub Actions Bot)2c3dbdcdocs: Use prerendered sponsors for README (#18988) (Milos Djermanovic)Chores
68d2d9dchore: upgrade to@eslint/js@9.13.0and@eslint/core@^0.7.0(#19034) (Francesco Trotta)2211f0achore: package.json update for @eslint/js release (Jenkins)c7abaefperf: using Node.js compile cache (#19012) (唯然)1d7c077chore: add pkg.type "commonjs" (#19011) (唯然)468e3bdtest: fixESLinttests (#19021) (Francesco Trotta)ed4635fci: upgrade knip@5.32.0 (#18992) (Milos Djermanovic)efad767chore: remove unused ignore dependency (#18993) (Amaresh S M)v9.12.0Compare Source
Features
5a6a053feat: update tojitiv2 (#18954) (Arya Emami)17a07fbfeat: Hooks for test cases (RuleTester) (#18771) (Anna Bocharova)2ff0e51feat: Implement alternate config lookup (#18742) (Nicholas C. Zakas)2d17453feat: Implement modified cyclomatic complexity (#18896) (Dmitry Pashkevich)Bug Fixes
ea380cafix: Upgrade retry to avoid EMFILE errors (#18986) (Nicholas C. Zakas)fdd6319fix: Issues with type definitions (#18940) (Arya Emami)Documentation
ecbd522docs: Mention code explorer (#18978) (Nicholas C. Zakas)7ea4eccdocs: Clarifying the Use of Meta Objects (#18697) (Amaresh S M)d3e4b2edocs: Clarify how to exclude.jsfiles (#18976) (Milos Djermanovic)57232ffdocs: Mention plugin-kit in language docs (#18973) (Nicholas C. Zakas)b80ed00docs: Update README (GitHub Actions Bot)cb69ab3docs: Update README (GitHub Actions Bot)7fb0d95docs: Update README (GitHub Actions Bot)493348adocs: Update README (GitHub Actions Bot)87a582cdocs: fix typo inid-matchrule (#18944) (Jay)Chores
555aafdchore: upgrade to@eslint/js@9.12.0(#18987) (Francesco Trotta)873ae60chore: package.json update for @eslint/js release (Jenkins)d0a5414refactor: replace strip-ansi with native module (#18982) (Cristopher)b827029chore: Enable JSON5 linting (#18979) (Milos Djermanovic)8f55ca2chore: Upgrade espree, eslint-visitor-keys, eslint-scope (#18962) (Nicholas C. Zakas)c1a2725chore: update dependency mocha to ^10.7.3 (#18945) (Milos Djermanovic)v9.11.1Compare Source
Bug Fixes
20fd916fix: add@eslint/core,@types/estree, &@types/json-schemadeps (#18938) (Nitin Kumar)2738322fix: add missing types forrequire-atomic-updatesrule (#18937) (Kristóf Poduszló)d71ff30fix: add missing types forobject-shorthandrule (#18935) (Kristóf Poduszló)561cadcfix: add missing types forno-unsafe-negationrule (#18932) (Kristóf Poduszló)8843656fix: add missing types forno-underscore-danglerule (#18931) (Kristóf Poduszló)92cde5cfix: add missing types forno-shadowrule (#18930) (Kristóf Poduszló)b3cbe11fix: add missing types forno-sequencesrule (#18929) (Kristóf Poduszló)976f77ffix: add missing types forno-unused-expressionsrule (#18933) (Kristóf Poduszló)Documentation
3eff709docs: replace deprecatedLinter.FlatConfigtype withLinter.Config(#18941) (Carlos Meira)Chores
df4a859chore: upgrade @eslint/js@9.11.1 (#18943) (Milos Djermanovic)36d8095chore: package.json update for @eslint/js release (Jenkins)v9.11.0Compare Source
Features
ec30c73feat: add "eslint/universal" to exportLinter(#18883) (唯然)c591da6feat: Add language to types (#18917) (Nicholas C. Zakas)492eb8ffeat: limit the name given toImportSpecifierinid-length(#18861) (Tanuj Kanti)19c6856feat: Addno-useless-constructorsuggestion (#18799) (Jordan Thomson)a48f8c2feat: add typeFormatterFunction, updateLoadedFormatter(#18872) (Francesco Trotta)Bug Fixes
5e5f39bfix: add missing types forno-restricted-exportsrule (#18914) (Kristóf Poduszló)8f630ebfix: add missing types forno-param-reassignoptions (#18906) (Kristóf Poduszló)d715781fix: add missing types forno-extra-boolean-castoptions (#18902) (Kristóf Poduszló)2de5742fix: add missing types forno-misleading-character-classoptions (#18905) (Kristóf Poduszló)c153084fix: add missing types forno-implicit-coercionoptions (#18903) (Kristóf Poduszló)fa11b2efix: add missing types forno-empty-functionoptions (#18901) (Kristóf Poduszló)a0deed1fix: add missing types forcamelcaseoptions (#18897) (Kristóf Poduszló)Documentation
e4e5709docs: correctprefer-object-has-owntype definition comment (#18924) (Nitin Kumar)91cbd18docs: add unicode abbreviations in no-irregular-whitespace rule (#18894) (Alix Royere)59cfc0fdocs: clarifyresultsMetainLoadedFormattertype (#18881) (Milos Djermanovic)adcc50ddocs: Update README (GitHub Actions Bot)4edac1adocs: Update README (GitHub Actions Bot)Build Related
959d360build: Support updates to previous major versions (#18871) (Milos Djermanovic)Chores
ca21a64chore: upgrade @eslint/js@9.11.0 (#18927) (Milos Djermanovic)a10f90achore: package.json update for @eslint/js release (Jenkins)e4e02ccrefactor: Extract processor logic into ProcessorService (#18818) (Nicholas C. Zakas)6d4484dchore: updates for v8.57.1 release (Jenkins)71f37c5refactor: use optional chaining when validating config rules (#18893) (lucasrmendonca)2c2805fchore: Add PR note to all templates (#18892) (Nicholas C. Zakas)7b852cerefactor: useDirectiveclass from@eslint/plugin-kit(#18884) (Milos Djermanovic)d594dddchore: update dependency @eslint/core to ^0.6.0 (#18863) (renovate[bot])78b2421chore: Update change.yml (#18882) (Nicholas C. Zakas)a416f0achore: enable$ExpectTypecomments in .ts files (#18869) (Francesco Trotta)v9.10.0Compare Source
Features
301b90dfeat: Add types (#18854) (Nicholas C. Zakas)bcf0df5feat: limit namespace import identifier in id-length rule (#18849) (ChaedongIm)45c18e1feat: addrequireFlagoption torequire-unicode-regexprule (#18836) (Brett Zamir)183b459feat: add error message for duplicate flags inno-invalid-regexp(#18837) (Tanuj Kanti)c69b406feat: report duplicate allowed flags inno-invalid-regexp(#18754) (Tanuj Kanti)Documentation
bee0e7adocs: update README (#18865) (Milos Djermanovic)5d80b59docs: specify thatruleIdcan benullin custom formatter docs (#18857) (Milos Djermanovic)156b1c3docs: Update README (GitHub Actions Bot)f6fdef9docs: Update README (GitHub Actions Bot)a20c870docs: Update README (GitHub Actions Bot)90e699bdocs: Update README (GitHub Actions Bot)Chores
24c3ff7chore: upgrade to @eslint/js@9.10.0 (#18866) (Francesco Trotta)1ebdde1chore: package.json update for @eslint/js release (Jenkins)e8fc5bdchore: update dependency @eslint/core to ^0.5.0 (#18848) (renovate[bot])343f992refactor: don't usenode.valuewhen removing unused directives (#18835) (Milos Djermanovic)3db18b0refactor: Extract FileContext into class (#18831) (Nicholas C. Zakas)931d650refactor: Use @eslint/plugin-kit (#18822) (Nicholas C. Zakas)ed5cf0cchore: update dependency @eslint/json to ^0.4.0 (#18829) (Milos Djermanovic)d1f0831chore: added missing ids (#18817) (Strek)ec92813refactor: Config class (#18763) (Nicholas C. Zakas)v9.9.1Compare Source
Bug Fixes
9bde90cfix: add logic to handlefixTypesinlintText()(#18736) (Amaresh S M)Documentation
4840930docs: Update README with version support and clean up content (#18804) (Nicholas C. Zakas)f61f40ddocs: Update globals examples (#18805) (Nicholas C. Zakas)241fceadocs: Use and define languages (#18795) (Nicholas C. Zakas)5dbdd63docs: eslint-plugin-markdown -> @eslint/markdown (#18797) (Nicholas C. Zakas)c6c8ddddocs: update links to eslint-visitor-keys repo (#18796) (Francesco Trotta)f981d05docs: Update README (GitHub Actions Bot)b516974docs: update links toeslint/jsrepo (#18781) (Francesco Trotta)fb7a3f5docs: update note for package managers (#18779) (Jay)Chores
b0c34d0chore: upgrade to @eslint/js@9.9.1 (#18809) (Francesco Trotta)cd5a0dachore: package.json update for @eslint/js release (Jenkins)e112642refactor: Extract parsing logic from Linter (#18790) (Nicholas C. Zakas)0f68a85chore: use eslint-plugin-yml on yaml files only (#18801) (Milos Djermanovic)f8d1b3cchore: update dependencies for browser tests (#18794) (Christian Bromann)aed2624chore: update dependency @eslint/config-array to ^0.18.0 (#18788) (renovate[bot])5c29128chore: update dependency @eslint/core to ^0.4.0 (#18789) (renovate[bot])5d66fb2chore: migrate linting workflow to use trunk check meta-linter (#18643) (Chris Clearwater)bf96855chore: add ids to github issue templates (#18775) (Strek)v9.9.0Compare Source
Features
41d0206feat: Add support for TS config files (#18134) (Arya Emami)3a4eaf9feat: add suggestion torequire-awaitto removeasynckeyword (#18716) (Dave)Documentation
9fe068cdocs: how to author plugins with configs that extend other configs (#18753) (Alec Gibson)48117b2docs: add version support page in the side navbar (#18738) (Amaresh S M)fec2951docs: add version support page to the dropdown (#18730) (Amaresh S M)38a0661docs: Fix typo (#18735) (Zaina Al Habash)3c32a9edocs: Update yarn command for creating ESLint config (#18739) (Temitope Ogunleye)f9ac978docs: Update README (GitHub Actions Bot)Chores
461b2c3chore: upgrade to@eslint/js@9.9.0(#18765) (Francesco Trotta)59dba1bchore: package.json update for @eslint/js release (Jenkins)fea8563chore: update dependency @eslint/core to ^0.3.0 (#18724) (renovate[bot])aac191echore: update dependency @eslint/json to ^0.3.0 (#18760) (renovate[bot])b97fa05chore: update wdio dependencies for more stable tests (#18759) (Christian Bromann)v9.8.0Compare Source
Features
13d0bd3feat: Add and use SourceCode#getLoc/getRange (#18703) (Nicholas C. Zakas)Bug Fixes
ab0ff27fix: Throw error when invalid flags passed (#18705) (Nicholas C. Zakas)70dc803fix:basePathdirectory can never be ignored (#18711) (Milos Djermanovic)Documentation
282df1adocs: Add system theme option (#18617) (Amaresh S M)53b1ff0docs: Debug config docs (#18698) (Nicholas C. Zakas)a7016a5docs: fix search input stylings (#18682) (Amaresh S M)Build Related
4514424build: Enable JSON linting (#18681) (Nicholas C. Zakas)Chores
deee448chore: upgrade to@eslint/js@9.8.0(#18720) (Francesco Trotta)4aaf2b3chore: package.json update for @eslint/js release (Jenkins)8e1a627chore: update dependency @eslint/core to ^0.2.0 (#18700) (renovate[bot])v9.7.0Compare Source
Features
7bd9839feat: add support for es2025 duplicate named capturing groups (#18630) (Yosuke Ota)1381394feat: addregexoption inno-restricted-imports(#18622) (Nitin Kumar)Bug Fixes
14e9f81fix: destructuring in catch clause inno-unused-vars(#18636) (Francesco Trotta)Documentation
9f416dbdocs: Add Powered by Algolia label to the search. (#18633) (Amaresh S M)c8d26cbdocs: Open JS Foundation -> OpenJS Foundation (#18649) (Milos Djermanovic)6e79ac7docs:loadESLintdoes not support optioncwd(#18641) (Francesco Trotta)Chores
793b718chore: upgrade @eslint/js@9.7.0 (#18680) (Francesco Trotta)7ed6f9achore: package.json update for @eslint/js release (Jenkins)7bcda76refactor: Add type references (#18652) (Nicholas C. Zakas)51bf57cchore: add tech sponsors through actions (#18624) (Strek)6320732refactor: don't useparentproperty inNodeEventGenerator(#18653) (Milos Djermanovic)9e6d640refactor: move "Parsing error" prefix adding to Linter (#18650) (Milos Djermanovic)v9.6.0Compare Source
Features
e2b16e2feat: Implement feature flags (#18516) (Nicholas C. Zakas)8824aa1feat: addecmaVersion: 2025, parsing duplicate named capturing groups (#18596) (Milos Djermanovic)Bug Fixes
1613e2efix: Allow escaping characters in config patterns on Windows (#18628) (Milos Djermanovic)21d3766fix:no-unused-varsinclude caught errors pattern in report message (#18609) (Kirk Waiblinger)d7a7736fix: improveno-unused-varsmessage on unused caught errors (#18608) (Kirk Waiblinger)f9e95d2fix: correct locations of invalid/* eslint */comments (#18593) (Milos Djermanovic)Documentation
13dbecddocs: Limit search to just docs (#18627) (Nicholas C. Zakas)375227fdocs: Update getting-started.md - add pnpm to init eslint config (#18599) (Kostiantyn Ochenash)44915bbdocs: Update README (GitHub Actions Bot)d50db7bdocs: Update vscode-eslint info (#18595) (Nicholas C. Zakas)Chores
b15ee30chore: upgrade @eslint/js@9.6.0 (#18632) (Milos Djermanovic)d655503chore: package.json update for @eslint/js release (Jenkins)7c78ad9refactor: Use language.visitorKeys and check for non-JS SourceCode (#18625) (Nicholas C. Zakas)69ff64erefactor: Return value of applyInlineConfig() (#18623) (Nicholas C. Zakas)d2d06f7refactor: use/separator when adjustingignorePatternson Windows (#18613) (Milos Djermanovic)6421973refactor: fix disable directives for languages with 0-based lines (#18605) (Milos Djermanovic)0a13539refactor: Allow optional methods for languages (#18604) (Nicholas C. Zakas)c7ddee0chore: make internal-rules not being a package (#18601) (Milos Djermanovic)3379164chore: remove.eslintrc.js(#18011) (唯然)d0c3a32chore: update knip (with webdriver-io plugin) (#18594) (Lars Kappert)v9.5.0Compare Source
Features
b2d256cfeat:no-sparse-arraysreport on "comma" instead of the whole array (#18579) (fisker Cheung)Bug Fixes
6880286fix: treat*as a universal pattern (#18586) (Milos Djermanovic)7fbe211fix: message template for all files ignored (#18564) (Milos Djermanovic)469cb36fix: Don't lint the same file multiple times (#18552) (Milos Djermanovic)5cff638fix: improve message for ignored files without a matching config (#18404) (Francesco Trotta)Documentation
455f7fddocs: add section about including.gitignorefiles (#18590) (Milos Djermanovic)721eafedocs: update info about universalfilespatterns (#18587) (Francesco Trotta)8127127docs: Update README (GitHub Actions Bot)55c2a66docs: Update README (GitHub Actions Bot)eb76282docs: Update README (GitHub Actions Bot)ff6e96edocs:baseConfigandoverrideConfigcan be arrays (#18571) (Milos Djermanovic)d2d83e0docs: Add mention of eslint-transforms to v9 migration guide (#18566) (Nicholas C. Zakas)9ce6832docs: add callout box for unintuitive behavior (#18567) (Ben McCann)b8db99cdocs: Add VS Code info to config migration guide (#18555) (Nicholas C. Zakas)518a35cdocs: Mention config migrator (#18561) (Nicholas C. Zakas)eb440fcdocs: specifying files with arbitrary or no extension (#18539) (Francesco Trotta)38c159edocs: Provide example of reading package.json for plugins meta (#18530) (Nicholas C. Zakas)d16a659docs: add link to migration guide for--extCLI option (#18537) (Milos Djermanovic)73408dedocs: add link to configuration file docs before examples (#18535) (Milos Djermanovic)Chores
f588160chore: upgrade @eslint/js@9.5.0 (#18591) (Milos Djermanovic)5890841chore: package.json update for @eslint/js release (Jenkins)e9f4ccdchore: remove unused eslint-disable directive (#18589) (Milos Djermanovic)4b23ffdrefactor: Move JS parsing logic into JS language (#18448) (Nicholas C. Zakas)1495b93chore: update WebdriverIO packages (#18558) (Christian Bromann)cea7edechore: add website donate link instead of opencollective (#18582) (Strek)ec94880chore: package.json update for eslint-config-eslint release (Jenkins)6912586chore: extract formatting rules into separate config (#18560) (Milos Djermanovic)9738f7eci: fix CLI flags for c8, raise thresholds (#18554) (Francesco Trotta)c6de7bbchore: update dependency markdownlint-cli to ^0.41.0 (#18538) (renovate[bot])2c8fd34ci: pin @wdio/browser-runner v8.36.0 (#18540) (唯然)v9.4.0Compare Source
Features
89a4a0afeat: ignore IIFE's in theno-loop-funcrule (#17528) (Nitin Kumar)Bug Fixes
f6534d1fix: skip processor code blocks that match only universal patterns (#18507) (Milos Djermanovic)7226ebdfix: allow implicit undefined return inno-constructor-return(#18515) (Ali Rezvani)389744bfix: use@eslint/config-inspector@latest(#18483) (唯然)70118a5fix:func-stylefalse positive with arrow functions andsuper(#18473) (Milos Djermanovic)Documentation
d7ab6f5docs: update theme when whenprefers-color-schemechanges (#18510) (Nitin Kumar)525fdffdocs: fix components files (#18519) (Tanuj Kanti)80747d2docs: refactorprefer-destructuringrule (#18472) (Tanuj Kanti)f06e0b5docs: clarify func-style (#18477) (Cameron Steffen)Chores
010dd2echore: upgrade to@eslint/js@9.4.0(#18534) (Francesco Trotta)5e1b5dcchore: package.json update for @eslint/js release (Jenkins)594145frefactor: switch to@eslint/config-array(#18527) (Francesco Trotta)v9.3.0Compare Source
Features
b32153cfeat: addoverrides.namedExportstofunc-stylerule (#18444) (Percy Ma)b67eba4feat: addrestrictedNamedExportsPatterntono-restricted-exports(#18431) (Akul Srivastava)069aa68feat: add optionallowEscapetono-misleading-character-classrule (#18208) (Francesco Trotta)05ef92dfeat: deprecatemultiline-comment-style&line-comment-position(#18435) (唯然)db0b174feat: addenforceForInnerExpressionsoption tono-extra-boolean-cast(#18222) (Kirk Waiblinger)Bug Fixes
8db0efffix: Improve config error messages (#18457) (Nicholas C. Zakas)5c28d9afix: don't remove comments between key and value in object-shorthand (#18442) (Kuba Jastrzębski)39fb0eefix: object-shorthand loses type parameters when auto-fixing (#18438) (dalaoshu)37eba48fix: don't crash whenfs.readFilereturns promise from another realm (#18416) (Milos Djermanovic)Documentation
ceada8cdocs: explain how to use "tsc waiting" label (#18466) (Francesco Trotta)62e686cdocs: Add troubleshooting info for plugin compatibility (#18451) (Nicholas C. Zakas)e17e1c0docs: Update README (GitHub Actions Bot)2465a1edocs: Update README (GitHub Actions Bot)d23574cdocs: Clarify usage ofno-unreachablewith TypeScript (#18445) (benj-dobs)1db9baedocs: Fix typos (#18443) (Frieder Bluemle)7065196docs: Update README (GitHub Actions Bot)04e7c6edocs: update deprecation notice ofno-return-await(#18433) (Tanuj Kanti)e763512docs: Link global ignores section in config object property list (#18430) (MaoShizhong)ac7f718docs: reflect release of v9 in config migration guide (#18412) (Peter Briggs)0de0909docs: fix grammar in configuration file resolution (#18419) (Mike McCready)Chores
58e2719chore: update dependencies for v9.3.0 release (#18469) (Francesco Trotta)b681ecbchore: package.json update for @eslint/js release (Jenkins)06f1d1cchore: update dependency @humanwhocodes/retry to ^0.3.0 (#18463) (renovate[bot])a63ed72refactor: Usenode:protocol for built-in Node.js modules (#18434) (Milos Djermanovic)040700achore: update dependency markdownlint-cli to ^0.40.0 (#18425) (renovate[bot])f47847cchore: update actions/stale action to v9 (#18426) (renovate[bot])c18ad25chore: update actions/upload-artifact action to v4 (#18427) (renovate[bot])27e3060chore: Disable documentation label (#18423) (Nicholas C. Zakas)v9.2.0Compare Source
Features
8485d76feat:no-case-declarationsadd suggestions (#18388) (Josh Goldberg ✨)a498f35feat: update Unicode letter detection in capitalized-comments rule (#18375) (Francesco Trotta)Bug Fixes
eeec413fix: do not throw when defining a global named defineSetter (#18364) (唯然)Documentation
0f5df50docs: Update README (GitHub Actions Bot)1579ce0docs: update wording regarding indirect eval (#18394) (Kirk Waiblinger)f12a02cdocs: update to eslint v9 in custom-rule-tutorial (#18383) (唯然)Chores
b346605chore: upgrade @eslint/js@9.2.0 (#18413) (Milos Djermanovic)c4c18e0chore: package.json update for @eslint/js release (Jenkins)284722cchore: package.json update for eslint-config-eslint release (Jenkins)347d44fchore: remove eslintrc export from eslint-config-eslint (#18400) (Milos Djermanovic)f316e20ci: run tests in Node.js 22 (#18393) (Francesco Trotta)v9.1.1Compare Source
Bug Fixes
a26b402fix: use @eslint/create-config latest (#18373) (唯然)v9.1.0Compare Source
Features
03068f1feat: Provide helpful error message for nullish configs (#18357) (Nicholas C. Zakas)751b518feat: replace dependency graphemer withIntl.Segmenter(#18110) (Francesco Trotta)4d11e56feat: addnameto eslint configs (#18289) (唯然)1cbe1f6feat: allowwhile(true)inno-constant-condition(#18286) (Tanuj Kanti)0db676ffeat: addIntlin es6 globals (#18318) (唯然)Bug Fixes
8d18958fix: Remove name from eslint/js packages (#18368) (Nicholas C. Zakas)594eb0efix: do not crash on error infs.walkfilter (#18295) (Francesco Trotta)0d8cf63fix: EMFILE errors (#18313) (Nicholas C. Zakas)e1ac0b5fix: --inspect-config only for flat config and respect -c (#18306) (Nicholas C. Zakas)09675e1fix:--no-ignoreshould not apply to non-global ignores (#18334) (Milos Djermanovic)Documentation
fb50077docs: include notes about globals in migration-guide (#18356) (Gabriel Rohden)71c771fdocs: Fix missing accessible name for scroll-to-top link (#18329) (Germán Freixinós)200fd4edocs: indicate eslintrc mode for.eslintignore(#18285) (Francesco Trotta)16b6a8bdocs: Update README (GitHub Actions Bot)df5f8a9docs:pathsandpatternsdifference inno-restricted-imports(#18273) (Tanuj Kanti)c537d76docs: updatenpm init @​eslint/configgenerated file names (#18298) (唯然)e1e305ddocs: fixlinebreak-styleexamples (#18262) (Francesco Trotta)113f51edocs: Mention package.json config support dropped (#18305) (Nicholas C. Zakas)5c35321docs: add eslintrc-only note to--rulesdir(#18281) (Adam Lui 刘展鹏)Build Related
1fa6622build: do not use--forceflag to install dependencies (#18284) (Francesco Trotta)Chores
d9a2983chore: upgrade @eslint/js to v9.1.1 (#18367) (Francesco Trotta)50d406dchore: package.json update for @eslint/js release (Jenkins)155c71cchore: package.json update for @eslint/js release (Jenkins)0588fc5refactor: Move directive gathering to SourceCode (#18328) (Nicholas C. Zakas)9048e21chore: lintdocs/src/_datajs files (#18335) (Milos Djermanovic)4820790chore: upgrade globals@15.0.0 dev dependency (#18332) (Milos Djermanovic)698d9ffchore: upgrade jsdoc & unicorn plugins in eslint-config-eslint (#18333) (Milos Djermanovic)32c08cfchore: drop Node < 18 and use @eslint/js v9 in eslint-config-eslint (#18323) (Milos Djermanovic)a76fb55chore: @eslint-community/eslint-plugin-eslint-comments v4.3.0 (#18319) (Milos Djermanovic)78e45b1chore: eslint-plugin-eslint-plugin v6.0.0 (#18316) (唯然)36103a5chore: eslint-plugin-n v17.0.0 (#18315) (唯然)v9.0.0Compare Source
Breaking Changes
b7cf3bdfix!: correctcamelcaserule schema forallowoption (#18232) (eMerzh)09bd7fefeat!: move AST traversal into SourceCode (#18167) (Nicholas C. Zakas)79a95ebfeat!: disallow multiple configuration comments for same rule (#18157) (Milos Djermanovic)9163646feat!: Rule Tester checks for missing placeholder data in the message (#18073) (fnx)3c4d51dfeat!: default forenforceForClassMembersinno-useless-computed-key(#18054) (Francesco Trotta)47e60f8feat!: Stricter rule test validations (#17654) (fnx)1a94589feat!:no-unused-varsdefault caughtErrors to 'all' (#18043) (Josh Goldberg ✨)57089cbfeat!: no-restricted-imports allow multiple config entries for same path (#18021) (Milos Djermanovic)2e1d549feat!: detect duplicate test cases (#17955) (Bryan Mishkin)701f1affeat!: no-inner-declaration new default behaviour and option (#17885) (Tanuj Kanti)bde5105fix!: handle--output-filefor empty output when saving to disk (#17957) (Nitin Kumar)07107a5fix!: upgrade eslint-scope@8.0.0 (#17942) (Milos Djermanovic)3ee0f6cfix!: no-unused-varsvarsIgnorePatternbehavior with catch arguments (#17932) (Tanuj Kanti)51f8bc8fix!: configuration comments with just severity should retain options (#17945) (Milos Djermanovic)d191bddfeat!: Remove CodePath#currentSegments (#17936) (Milos Djermanovic)946ae00feat!: FlatRuleTester -> RuleTester (#17922) (Nicholas C. Zakas)baff28cfeat!: removeno-inner-declarationsfromeslint:recommended(#17920) (Milos Djermanovic)cadfbcdfeat!: Rename FlatESLint to ESLint (#17914) (Nicholas C. Zakas)d1018fcfeat!: skip running warnings in --quiet mode (#17274) (Maddy Miller)fb81b1cfeat!: Set defaultschema: [], drop support for function-style rules (#17792) (Milos Djermanovic)0b21e1ffeat!: add two more cases tono-implicit-coercion(#17832) (Gürgün Dayıoğlu)2916c63feat!: Switch Linter to flat config by default (#17851) (Nicholas C. Zakas)200518efix!: Parsing 'exported' comment using parseListConfig (#17675) (amondev)bdd6ba1feat!: Remove valid-jsdoc and require-jsdoc (#17694) (Nicholas C. Zakas)12be307fix!: Behavior of CLI when no arguments are passed (#17644) (Nicholas C. Zakas)8fe8c56feat!: Update shouldUseFlatConfig and CLI so flat config is default (#17748) (Nicholas C. Zakas)60dea3efeat!: deprecate no-new-symbol, recommend no-new-native-nonconstructor (#17710) (Francesco Trotta)5aa9c49feat!: check for parsing errors in suggestion fixes (#16639) (Bryan Mishkin)b3e0bb0feat!: assert suggestion messages are unique in rule testers (#17532) (Josh Goldberg ✨)e563c52feat!:no-invalid-regexpmake allowConstructorFlags case-sensitive (#17533) (Josh Goldberg ✨)e5f02c7fix!: no-sequences rule schema correction (#17878) (MHO)6ee3e9efeat!: Updateeslint:recommendedconfiguration (#17716) (Milos Djermanovic)c2cf85afeat!: drop support for string configurations in flat config array (#17717) (Milos Djermanovic)c314fd6feat!: RemoveSourceCode#getComments()(#17715) (Milos Djermanovic)ae78ff1feat!: Remove deprecated context methods (#17698) (Nicholas C. Zakas)f71c328feat!: Swap FlatESLint-ESLint, FlatRuleTester-RuleTester in API (#17823) (Nicholas C. Zakas)5304da0feat!: remove formatters except html, json(-with-metadata), and stylish (#17531) (Josh Goldberg ✨)e1e827ffeat!: Require Node.js^18.18.0 || ^20.9.0 || >=21.1.0(#17725) (Milos Djermanovic)Features
d54a412feat: Add --inspect-config CLI flag (#18270) (Nicholas C. Zakas)97ce45bfeat: AddreportUsedIgnorePatternoption tono-unused-varsrule (#17662) (Pearce Ropion)3e9fceafeat: Show config names in error messages (#18256) (Nicholas C. Zakas)de40874feat: Rule Performance Statistics for flat ESLint (#17850) (Mara Kiefer)d85c436feat: use-isnan report NaN inindexOfandlastIndexOfwith fromIndex (#18225) (Tanuj Kanti)b8fb572feat: addreportUnusedFallthroughCommentoption to no-fallthrough rule (#18188) (Kirk Waiblinger)1c173dcfeat: addignoreClassWithStaticInitBlockoption tono-unused-vars(#18170) (Tanuj Kanti)a451b32feat: makeno-misleading-character-classreport more granular errors (#18082) (Francesco Trotta)c49ed63feat: update complexity rule for optional chaining & default values (#18152) (Mathias Schreck)11144a2feat:no-restricted-importsoption addedallowImportNames(#16196) (M Pater)74124c2feat: add suggestions touse-isnaninindexOf&lastIndexOfcalls (#18063) (StyleShit)53f0f47feat: Add loadESLint() API method for v9 (#18097) (Nicholas C. Zakas)2d11d46feat: add suggestions touse-isnanin binary expressions (#17996) (StyleShit)26093c7feat: fix false negatives inno-this-before-super(#17762) (Yosuke Ota)5471e43feat: convert unsafe autofixes to suggestions inno-implicit-coercion(#17985) (Gürgün Dayıoğlu)e3051befeat: emit warning when.eslintignorefile is detected (#17952) (Nitin Kumar)a630eddfeat: maintain latest ecma version in ESLint (#17958) (Milos Djermanovic)b4e0503feat: addno-useless-assignmentrule (#17625) (Yosuke Ota)287c4b7feat:no-misleading-character-classgranular errors (#17515) (Josh Goldberg ✨)8792464feat: Enable eslint.config.mjs and eslint.config.cjs (#17909) (Nicholas C. Zakas)24ce927feat: warn by default for unused disable directives (#17879) (Bryan Mishkin)Bug Fixes
610c148fix: Supportusingdeclarations in no-lone-blocks (#18269) (Kirk Waiblinger)e508800fix: rule tester ignore irrelevant test case properties (#18235) (fnx)a129acbfix: flat config name on ignores object (#18258) (Nicholas C. Zakas)dadc5bffix:constructor-superfalse positives with loops (#18226) (Milos Djermanovic)ae8103dfix: load plugins in the CLI in flat config mode (#18185) (Francesco Trotta)e37153ffix: improve error message for invalid rule config (#18147) (Nitin Kumar)af6e170fix: stop linting files after an error (#18155) (Francesco Trotta)0cb4914fix: validate options when comment with just severity enables rule (#18133) (Milos Djermanovic)c4d26fdfix:use-isnandoesn't report onSequenceExpressions (#18059) (StyleShit)39076fbfix: handle absolute file paths inRuleTester(#17989) (Nitin Kumar)6d11f3dfix: Ensure config keys are printed for config errors (#17980) (Nicholas C. Zakas)806f708fix:no-misleading-character-classedge cases with granular errors (#17970) (Milos Djermanovic)f182114fix: deep merge behavior in flat config (#17906) (Francesco Trotta)b577e8afix: allow circular references in config (#17752) (Francesco Trotta)Documentation
e151050docs: update get-started to the new@eslint/create-config(#18217) (唯然)94178addocs: mention aboutnamefield in flat config (#18252) (Anthony Fu)1765c24docs: add Troubleshooting page (#18181) (Josh Goldberg ✨)96607d0docs: version selectors synchronization (#18260) (Milos Djermanovic)651ec91docs: remove/* eslint-env */comments from rule examples (#18249) (Milos Djermanovic)950c4f1docs: Update README (GitHub Actions Bot)12f5746docs: add info about dot files and dir in flat config (#18239) (Tanuj Kanti)b93f408docs: update shared settings example (#18251) (Tanuj Kanti)26384d3docs: fixecmaVersionin one example, add checks (#18241) (Milos Djermanovic)7747097docs: Update PR review process (#18233) (Nicholas C. Zakas)b07d427docs: fix typo (#18246) (Kirill Gavrilov)778082ddocs: add Glossary page (#18187) (Josh Goldberg ✨)239a7e2docs: Clarify the description ofsort-importsoptions (#18198) (gyeongwoo park)4769c86docs: fix incorrect example inno-lone-blocks(#18215) (Tanuj Kanti)5251327docs: Update README (GitHub Actions Bot)1dc8618docs: Update README (GitHub Actions Bot)ba1c1bbdocs: Update README (GitHub Actions Bot)337cdf9docs: Explain limitations of RuleTester fix testing (#18175) (Nicholas C. Zakas)c7abd89docs: Explain Node.js version support (#18176) (Nicholas C. Zakas)d961eebdocs: show red underlines in examples in rules docs (#18041) (Yosuke Ota)558274adocs: Update README (GitHub Actions Bot)2908b9bdocs: Update release documentation (#18174) (Nicholas C. Zakas)1f1260edocs: replace HackerOne link with GitHub advisory (#18165) (Francesco Trotta)e5ef3cddocs: add inline cases condition inno-fallthrough(#18158) (Tanuj Kanti)450d0f0docs: fixignoreoption docs (#18154) (Francesco Trotta)5fe095cdocs: show v8.57.0 as latest version in dropdown (#18142) (Milos Djermanovic)7db5bb2docs: Show prerelease version in dropdown (#18135) (Nicholas C. Zakas)73a5f06docs: Update README (GitHub Actions Bot)f95cd27docs: Disallow multiple rule configuration comments in the same example (#18116) (Milos Djermanovic)d8068ecdocs: Update link for schema examples (#18112) (Svetlana)f1c7e6fdocs: Switch to Ethical Ads (#18090) (Strek)15c143fdocs: JS Foundation -> OpenJS Foundation in PR template (#18092) (Nicholas C. Zakas)6ea339edocs: add stricter rule test validations to v9 migration guide (#18085) (Milos Djermanovic)3c816f1docs: use relative link from CLI to core concepts (#18083) (Milos Djermanovic)9458735docs: fix malformedeslintconfig comments in rule examples (#18078) (Francesco Trotta)07a1adadocs: link from--fixCLI doc to the relevant core concept (#18080) (Bryan Mishkin)b844324docs: Update team responsibilities (#18048) (Nicholas C. Zakas)aadfb60docs: document languageOptions and other v9 changes for context (#18074) (fnx)857e242docs: tweak explanation for meta.docs rule properties (#18057) (Bryan Mishkin)10485e8docs: recommend messageId over message for reporting rule violations (#18050) (Bryan Mishkin)98b5ab4docs: Update README (GitHub Actions Bot)505fbf4docs: updateno-restricted-importsrule (#18015) (Tanuj Kanti)c25b4afdocs: Update README (GitHub Actions Bot)33d1ab0docs: add more examples to flat config ignores docs (#18020) (Milos Djermanovic)e6eebcadocs: Update sort-keys options properties count (#18025) (LB (Ben Johnston))1fedfd2docs: Improve flat config ignores docs (#17997) (Nicholas C. Zakas)38b9b06docs: update valid-typeof rule (#18001) (Tanuj Kanti)b4abfeadocs: Update note about ECMAScript support (#17991) (Francesco Trotta)6788873docs: Update release blog post template (#17994) (Nicholas C. Zakas)1f37442docs: Add sections on non-npm plugin configuration (#17984) (Nicholas C. Zakas)96307dadocs: migration guide entry forno-inner-declarations(#17977) (Tanuj Kanti)40be60edocs: Update README (GitHub Actions Bot)d31c180docs: fix number of code-path events on custom rules page (#17969) (Richard Hunter)1529ab2docs: reorder entries in v9 migration guide (#17967) (Milos Djermanovic)9507525docs: Explain how to combine configs (#17947) (Nicholas C. Zakas)7c78576docs: Add more removedcontextmethods to migrate to v9 guide (#17951) (Milos Djermanovic)3a877d6docs: Update removed CLI flags migration (#17939) (Nicholas C. Zakas)4a9cd1edocs: Update Linter API for v9 (#17937) (Milos Djermanovic)2a8eea8docs: update docs for v9.0.0-alpha.0 (#17929) (Milos Djermanovic)7f0ba51docs: showNEXTin version selectors (#17911) (Milos Djermanovic)0a7911edocs: add flat config default to v9 migration guide (#17927) (Milos Djermanovic)94f8065docs: Add CLI updates to migrate to v9 guide (#17924) (Nicholas C. Zakas)16187f2docs: Add exported and string config notes to migrate to v9 guide (#17926) (Nicholas C. Zakas)3ae50ccdocs: Add RuleTester changes to migrate to v9 guide (#17923) (Nicholas C. Zakas)0831b58docs: add rule changes to v9 migration guide (#17925) (Milos Djermanovic)037abfcdocs: update API docs (#17919) (Milos Djermanovic)afc3c03docs: add function-style andmeta.schemachanges to v9 migration guide (#17912) (Milos Djermanovic)1da0723docs: updateeslint:recommendedsection in Migrate to v9.x (#17908) (Milos Djermanovic)f55881fdocs: remove configuration-files-new.md (#17907) (Milos Djermanovic)63ae191docs: Migrate to v9.0.0 (#17905) (Nicholas C. Zakas)e708496docs: Switch to flat config by default (#17840) (Nicholas C. Zakas)fdf0424docs: Update Create a Plugin for flat config (#17826) (Nicholas C. Zakas)e6a91bddocs: Switch shareable config docs to use flat config (#17827) (Nicholas C. Zakas)3831fb7docs: updated examples ofmax-linesrule (#17898) (Tanuj Kanti)cd1ac20docs: Update README (GitHub Actions Bot)Build Related
26010c2Build: changelog update for 9.0.0-rc.0 (Jenkins)b91f9dcbuild: fix TypeError in prism-eslint-hooks.js (#18209) (Francesco Trotta)d7ec0d1Build: changelog update for 9.0.0-beta.2 (Jenkins)fd9c0a9Build: changelog update for 9.0.0-beta.1 (Jenkins)c9f2f33build: changelog update for 8.57.0 (#18144) (Milos Djermanovic)1bbc495Build: changelog update for 9.0.0-beta.0 (Jenkins)96f8877Build: changelog update for 9.0.0-alpha.2 (Jenkins)52d5e7aBuild: changelog update for 9.0.0-alpha.1 (Jenkins)c2bf27dbuild: update docs files when publishing prereleases (#17940) (Milos Djermanovic)e91d85dBuild: changelog update for 9.0.0-alpha.0 (Jenkins)Chores
19f9a89chore: Update dependencies for v9.0.0 (#18275) (Nicholas C. Zakas)7c957f2chore: package.json update for @eslint/js release (Jenkins)d73a33cchore: ignore/docs/v8.xin link checker (#18274) (Milos Djermanovic)44a81c6chore: upgrade knip (#18272) (Lars Kappert)e80b60cchore: remove code for testing version selectors (#18266) (Milos Djermanovic)a98babcchore: add npm script to run WebdriverIO test (#18238) (Francesco Trotta)9b7bd3bchore: update dependency markdownlint to ^0.34.0 (#18237) (renovate[bot])297416dchore: package.json update for eslint-9.0.0-rc.0 (#18223) (Francesco Trotta)d363c51chore: package.json update for @eslint/js release (Jenkins)1b841bbchore: fix some comments (#18213) (avoidaway)29c3595chore: remove repetitive words (#18193) (cuithon)acc2e06chore: Introduce Knip (#18005) (Lars Kappert)7509276chore: upgrade @eslint/js@9.0.0-beta.2 (#18180) (Milos Djermanovic)96087b3chore: package.json update for @eslint/js release (Jenkins)925afa2chore: Remove some uses oflodash.merge(#18179) (Milos Djermanovic)972ef15chore: remove invalid type in @eslint/js (#18164) (Nitin Kumar)32ffdd1chore: upgrade @eslint/js@9.0.0-beta.1 (#18146) (Milos Djermanovic)e41425bchore: package.json update for @eslint/js release (Jenkins)bb3b9c6chore: upgrade @eslint/eslintrc@3.0.2 (#18145) (Milos Djermanovic)e462524chore: upgrade eslint-release@3.2.2 (#18138) (Milos Djermanovic)8e13a6bchore: fix spelling mistake in README.md (#18128) (Will Eastcott)66f52e2chore: remove unused tools rule-types.json, update-rule-types.js (#18125) (Josh Goldberg ✨)bf0c7efci: fix sync-labels value of pr-labeler (#18124) (Tanuj Kanti)cace6d0ci: add PR labeler action (#18109) (Nitin Kumar)1a65d3echore: exportbaseconfig fromeslint-config-eslint(#18119) (Milos Djermanovic)9aa4df3refactor: removeglobalsdependency (#18115) (Milos Djermanovic)e40d1d7chore: upgrade @eslint/js@9.0.0-beta.0 (#18108) (Milos Djermanovic)9870f93chore: package.json update for @eslint/js release (Jenkins)2c62e79chore: upgrade @eslint/eslintrc@3.0.1 (#18107) (Milos Djermanovic)81f0294chore: upgrade espree@10.0.1 (#18106) (Milos Djermanovic)5e2b292chore: upgrade eslint-visitor-keys@4.0.0 (#18105) (Milos Djermanovic)ce838adchore: replace dependency npm-run-all with npm-run-all2 ^5.0.0 (#18045) (renovate[bot])54df731chore: update dependency markdownlint-cli to ^0.39.0 (#18084) (renovate[bot])8f06a60chore: update dependency shelljs to ^0.8.5 (#18079) (Francesco Trotta)93ffe30chore: update dependency file-entry-cache to v8 (#17903) (renovate[bot])6ffdcbbchore: upgrade @eslint/js@9.0.0-alpha.2 (#18038) (Milos Djermanovic)2c12715chore: package.json update for @eslint/js release (Jenkins)cc74c4dchore: upgrade espree@10.0.0 (#18037) (Milos Djermanovic)dfb68b6chore: use Node.js 20 for docs sites (#18026) (Milos Djermanovic)8c1b8ddtest: add more tests for ignoring files and directories (#18018) (Milos Djermanovic)60b966bchore: update dependency @eslint/js to v9.0.0-alpha.1 (#18014) (renovate[bot])c893bc0chore: updatemarkdownlinttov0.33.0(#17995) (Nitin Kumar)c5e50eechore: package.json update for @eslint/js release (Jenkins)1bf2520chore: Split Docs CI from core CI (#17897) (Nicholas C. Zakas)320787echore: delete relative-module-resolver.js (#17981) (Francesco Trotta)4926f33refactor: useObject.hasOwn()(#17948) (Milos Djermanovic)df200e1refactor: useArray.prototype.at()to get last elements (#17949) (Milos Djermanovic)750b8dfchore: update dependency glob to v10 (#17917) (renovate[bot])74794f5chore: removed unused eslintrc modules (#17938) (Milos Djermanovic)10ed29cchore: remove unused dependency rimraf (#17934) (Francesco Trotta)903ee60ci: use--forceflag when installing eslint (#17921) (Milos Djermanovic)17fedc1chore: upgrade @eslint/js@9.0.0-alpha.0 (#17928) (Milos Djermanovic)cb89ef3chore: package.json update for @eslint/js release (Jenkins)f6f4a45chore: drop structuredClone polyfill for v9 (#17915) (Kevin Gibbons)412dcbbchore: upgrade eslint-plugin-n@16.6.0 (#17916) (Milos Djermanovic)02a8bafchore: Rename files with underscores (#17910) (Nicholas C. Zakas)c0f5d91chore: remove creating an unused instance of Linter in tests (#17902) (Milos Djermanovic)3826cdfchore: use jsdoc/no-multi-asterisks with allowWhitespace: true (#17900) (Percy Ma)a9a17b3chore: fix getting scope in tests (#17899) (Milos Djermanovic)595a1f6test: ensure that CLI tests run with FlatESLint (#17884) (Francesco Trotta)c7eca43chore: update dependency markdownlint-cli to ^0.38.0 (#17865) (renovate[bot])cc0c9f7ci: bump github/codeql-action from 2 to 3 (#17873) (dependabot[bot])Configuration
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