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Update typescript-eslint monorepo to v8 (major)#41

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Update typescript-eslint monorepo to v8 (major)#41
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renovate/major-typescript-eslint-monorepo

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@renovate renovate Bot commented Sep 6, 2025 •
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ℹ️ Note

This PR body was truncated due to platform limits.

This PR contains the following updates:

Package Change Age Confidence
@typescript-eslint/eslint-plugin (source) 5.10.2 → 8.59.2 age confidence
@typescript-eslint/parser (source) 5.10.2 → 8.59.2 age confidence

Release Notes

typescript-eslint/typescript-eslint (@​typescript-eslint/eslint-plugin)

v8.59.2

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🩹 Fixes
  • eslint-plugin: [no-deprecated] object destructuring values should be treated as declarations (#​12292)
  • eslint-plugin: [no-unsafe-type-assertion] handle crash on recursive template literal types (#​12150)
❤️ Thank You

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.59.1

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🩹 Fixes
  • eslint-plugin: [no-unnecessary-condition] treat void as nullish in no-unnecessary-condition (#​12241)
  • eslint-plugin: [no-unnecessary-type-arguments] handle instantiation expressions (#​12220)
  • eslint-plugin: [no-unnecessary-type-assertion] avoid false positive in logical assignment assertions (#​12278)
  • eslint-plugin: [no-unnecessary-type-assertion] preserve phantom type arguments in generic inference (#​12269)
  • eslint-plugin: [no-unnecessary-type-assertion] preserve index signatures in undefined unions (#​12257)
  • eslint-plugin: [no-unnecessary-type-assertion] fix crash "TypeError: checker.getTypeArguments is not a function" (#​12246)
❤️ Thank You

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.59.0

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🚀 Features
  • eslint-plugin: [no-unnecessary-type-assertion] report more cases based on assignability (#​11789)
❤️ Thank You
  • Ulrich Stark

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.58.2

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🩹 Fixes
  • eslint-plugin: [no-unnecessary-condition] use assignability checks in checkTypePredicates (#​12147)
  • remove tsbuildinfo cache file from published packages (#​12187)
❤️ Thank You

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.58.1

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🩹 Fixes
  • eslint-plugin: [no-unused-vars] fix false negative for type predicate parameter (#​12004)
❤️ Thank You

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.58.0

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🚀 Features
🩹 Fixes
  • eslint-plugin: [prefer-regexp-exec] avoid fixing unknown RegExp flags (#​12161)
  • eslint-plugin: [no-extraneous-class] handle index signatures (#​12142)
  • eslint-plugin: crash in no-unnecessary-type-arguments (#​12163)
❤️ Thank You

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.57.2

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🩹 Fixes
  • eslint-plugin: [prefer-readonly-parameter-types] preserve type alias infomation (#​11954)
  • eslint-plugin: [no-useless-default-assignment] skip reporting false positives for unresolved type parameters (#​12127)
  • eslint-plugin: [no-unsafe-return] false positive on unwrapping generic (#​12125)
  • eslint-plugin: [no-restricted-types] flag banned generics in extends or implements (#​12120)
  • eslint-plugin: [array-type] ignore Array and ReadonlyArray without type arguments (#​11971)
  • eslint-plugin: [prefer-optional-chain] remove dangling closing parenthesis (#​11865)
❤️ Thank You

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.57.1

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🩹 Fixes
  • eslint-plugin: [prefer-optional-chain] no report for property on intersection type (#​12126)
❤️ Thank You

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.57.0

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🚀 Features
  • eslint-plugin: [no-unnecessary-condition] allow literal loop conditions in for/do loops (#​12080)
🩹 Fixes
  • eslint-plugin: [no-base-to-string] fix false positive for toString with overloads (#​12089)
  • eslint-plugin: [prefer-promise-reject-errors] add allow TypeOrValueSpecifier to prefer-promise-reject-errors (#​12094)
  • typescript-estree: if the template literal is tagged and the text has an invalid escape, cooked will be null (#​11355)
  • eslint-plugin: guard against negative paramIndex in no-useless-default-assignment (#​12077)
  • eslint-plugin: handle statically analyzable computed keys in prefer-readonly (#​12079)
  • eslint-plugin: [strict-void-return] false positives with overloads (#​12055)
❤️ Thank You

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.56.1

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This was a version bump only for eslint-plugin to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.56.0

Compare Source

🚀 Features
🩹 Fixes
  • use parser options from context.languageOptions (#​12043)
❤️ Thank You

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.55.0

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🚀 Features
  • utils: deprecate defaultOptions in favor of meta.defaultOptions (#​11992)
🩹 Fixes
  • eslint-plugin: [no-useless-default-assignment] reduce param index to ts this handling (#​11949)
  • eslint-plugin: [no-useless-default-assignment] report unnecessary defaults in ternary expressions (#​11984)
  • eslint-plugin: [no-useless-default-assignment] require strictNullChecks (#​11966, #​12000)
  • eslint-plugin: [no-unused-vars] remove trailing newline when removing entire import (#​11990)
❤️ Thank You

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.54.0

Compare Source

🚀 Features
  • eslint-plugin-internal: add prefer-tsutils-methods rule (#​11974, #​11625)
  • typescript-estree: add shortcut methods to ParserServicesWithTypeInformation (#​11965, #​11955)
🩹 Fixes
  • eslint-plugin: [no-unnecessary-type-assertion] check both base constraint and actual type for non-null assertions (#​11967, #​11559)
  • deps: update dependency prettier to v3.8.0 (#​11991)
  • scope-manager: fix catch clause scopes def.name (#​11982)
  • eslint-plugin: [no-unused-private-class-members] private destructured class member is defined but used (#​11785)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.53.1

Compare Source

🩹 Fixes
  • utils: make RuleCreator root defaultOptions optional (#​11956)
  • eslint-plugin: [consistent-indexed-object-style] skip fixer if interface is a default export (#​11951)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.53.0

Compare Source

🚀 Features
  • eslint-plugin: add rule [strict-void-return] (#​9707)
  • eslint-plugin: [no-unused-vars] add a fixer to remove unused imports (#​11922)
🩹 Fixes
  • eslint-plugin: [no-useless-default-assignment] fix false positive for parameters corresponding to a rest parameter (#​11916)
  • eslint-plugin: replace unclear "error typed" with more helpful description (#​11704)
  • typescript-estree: forbid invalid extends and implements in interface declaration (#​11935)
  • typescript-estree: forbid invalid class implements (#​11934)
  • typescript-estree: forbid type-only import with both default and named specifiers (#​11930)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.52.0

Compare Source

🚀 Features
  • eslint-plugin-internal: [no-multiple-lines-of-errors] add rule (#​11899)
🩹 Fixes
  • eslint-plugin: [no-base-to-string] detect @​@​toPrimitive and valueOf (#​11901)
  • eslint-plugin: [no-useless-default-assignment] handle conditional initializer (#​11908)
❤️ Thank You
  • Josh Goldberg ✨
  • Ulrich Stark

You can read about our versioning strategy and releases on our website.

v8.51.0

Compare Source

🚀 Features
  • eslint-plugin: add namespace to plugin meta (#​11885)
  • eslint-plugin: [no-useless-default-assignment] fix some cases to optional syntax (#​11871)
🩹 Fixes
  • eslint-plugin: [prefer-optional-chain] handle MemberExpression in final chain position (#​11835)
  • eslint-plugin: bump ts-api-utils to 2.2.0 (#​11881)
  • eslint-plugin: remove fixable from no-dynamic-delete rule (#​11876)
  • eslint-plugin: fix crash and false positives in no-useless-default-assignment (#​11845)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.50.1

Compare Source

🩹 Fixes
  • eslint-plugin: [no-unnecessary-type-assertion] correct handling of undefined vs. void (#​11826)
  • eslint-plugin: [method-signature-style] ignore methods that return this (#​11813)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.50.0

Compare Source

🚀 Features
  • eslint-plugin: [no-useless-default-assignment] add rule (#​11720)
❤️ Thank You
  • Josh Goldberg ✨
  • Ulrich Stark

You can read about our versioning strategy and releases on our website.

v8.49.0

Compare Source

🚀 Features
  • eslint-plugin: use Intl.Segmenter instead of graphemer (#​11804)
🩹 Fixes
  • deps: update dependency prettier to v3.7.2 (#​11820)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.48.1

Compare Source

🩹 Fixes
  • eslint-plugin: [restrict-template-expressions] check base types in allow list (#​11764, #​11759)
  • eslint-plugin: honor ignored base types on generic classes (#​11767)
  • eslint-plugin: [consistent-type-exports] check value flag before resolving alias (#​11769)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.48.0

Compare Source

🚀 Features
  • eslint-plugin: [no-redundant-type-constituents] use assignability checking for redundancy checks (#​10744)
🩹 Fixes
  • typescript-estree: disallow binding patterns in parameter properties (#​11760)
  • eslint-plugin: [consistent-generic-constructors] ignore when constructor is typed array (#​10477)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.47.0

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🚀 Features
  • eslint-plugin: [no-unused-private-class-members] new extension rule (#​10913)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.46.4

Compare Source

🩹 Fixes
  • parser: error when both projectService and project are set (#​11333)
  • eslint-plugin: handle override modifier in promise-function-async fixer (#​11730)
  • eslint-plugin: [no-deprecated] fix double-report on computed literal identifiers (#​11006, #​10958)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.46.3

Compare Source

🩹 Fixes
  • eslint-plugin: [no-duplicate-enum-values] support signed numbers (#​11722, #​11723)
  • eslint-plugin: [no-misused-promises] expand union type to retrieve target property (#​11706)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.46.2

Compare Source

🩹 Fixes
  • eslint-plugin: [prefer-optional-chain] skip optional chaining when it could change the result (#​11702)
❤️ Thank You
  • mdm317

You can read about our versioning strategy and releases on our website.

v8.46.1

Compare Source

🩹 Fixes
  • eslint-plugin: [no-misused-promises] special-case .finally not to report when a promise returning function is provided as an argument (#​11667)
  • eslint-plugin: [prefer-optional-chain] include mixed "nullish comparison style" chains in checks (#​11533)
❤️ Thank You
  • mdm317
  • Ronen Amiel

You can read about our versioning strategy and releases on our website.

v8.46.0

Compare Source

🚀 Features
  • eslint-plugin: [no-unsafe-member-access] add allowOptionalChaining option (#​11659)
  • rule-schema-to-typescript-types: clean up and make public (#​11633)
🩹 Fixes
  • eslint-plugin: [prefer-readonly-parameter-types] ignore tagged primitives (#​11660)
  • typescript-estree: forbid abstract method and accessor to have implementation (#​11657)
  • eslint-plugin: removed error type previously deprecated (#​11674)
  • eslint-plugin: [no-deprecated] ignore deprecated export imports (#​11603)
  • eslint-plugin: [unbound-method] improve wording around this: void and binding (#​11634)
  • rule-tester: deprecate TestCaseError#type and LintMessage#nodeType (#​11628)
  • eslint-plugin: [no-floating-promises] remove excess parentheses in suggestions (#​11487)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.45.0

Compare Source

🚀 Features
  • eslint-plugin: expose rule name via RuleModule interface (#​11616)
🩹 Fixes
  • eslint-plugin: [prefer-nullish-coalescing] ignoreBooleanCoercion should not apply to top-level ternary expressions (#​11614)
  • eslint-plugin: [no-base-to-string] check if superclass is ignored (#​11617)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.44.1

Compare Source

🩹 Fixes
  • eslint-plugin: [await-thenable] should not report passing values to promise aggregators which may be a promise in an array literal (#​11611)
  • eslint-plugin: [no-unsafe-enum-comparison] support unions of literals (#​11599)
  • eslint-plugin: [no-base-to-string] make ignoredTypeNames match type names without generics (#​11597)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.44.0

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🚀 Features
  • eslint-plugin: [await-thenable] report invalid (non-promise) values passed to promise aggregator methods (#​11267)
🩹 Fixes
  • eslint-plugin: [no-unnecessary-type-conversion] ignore enum members (#​11490)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.43.0

Compare Source

🚀 Features
  • typescript-estree: disallow empty type parameter/argument lists (#​11563)
🩹 Fixes
  • eslint-plugin: [prefer-return-this-type] don't report an error when returning a union type that includes a classType (#​11432)
  • eslint-plugin: [no-deprecated] should report deprecated exports and reexports (#​11359)
  • eslint-plugin: [no-floating-promises] allowForKnownSafeCalls now supports function names (#​11423, #​11430)
  • eslint-plugin: [consistent-type-exports] fix declaration shadowing (#​11457)
  • eslint-plugin: [no-unnecessary-type-conversion] only report ~~ on integer literal types (#​11517)
  • scope-manager: exclude Program from DefinitionBase node types (#​11469)
  • eslint-plugin: [no-non-null-assertion] do not suggest optional chain on LHS of assignment (#​11489)
  • type-utils: add union type support to TypeOrValueSpecifier (#​11526)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.42.0

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🩹 Fixes
  • deps: update eslint monorepo to v9.33.0 (#​11482)

You can read about our versioning strategy and releases on our website.

v8.41.0

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🩹 Fixes
  • deps: update dependency prettier to v3.6.2 (#​11496)

You can read about our versioning strategy and releases on our website.

v8.40.0

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🚀 Features
  • typescript-estree: forbid invalid keys in EnumMember (#​11232)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.39.1

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This was a version bump only for eslint-plugin to align it with other projects, there were no code changes.

You can read about our versioning strategy and releases on our website.

v8.39.0

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🚀 Features
  • eslint-plugin: [only-throw-error] support yield/await expressions (#​11417)
  • eslint-plugin: add no-unnecessary-type-conversion to strict-type-checked ruleset (#​11427)
  • update to TypeScript 5.9.2 (#​11445)
  • eslint-plugin: [naming-convention] add enumMember PascalCase default option (#​11127)
🩹 Fixes
  • eslint-plugin: [no-unsafe-assignment] add an unsafeObjectPattern message (#​11403)
  • eslint-plugin: [prefer-optional-chain] ignore check option for most RHS of a chain (#​11272)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.38.0

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🩹 Fixes
  • disallow extra properties in rule options (#​11397)
  • eslint-plugin: [consistent-generic-constructors] resolve conflict with isolatedDeclarations if enabled in constructor option (#​11351)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.37.0

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🩹 Fixes
  • eslint-plugin: [unified-signatures] fix false positives for ignoreOverloadsWithDifferentJSDoc option (#​11381)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.36.0

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This was a version bump only for eslint-plugin to align it with other projects, there were no code changes.

You can read about our versioning strategy and releases on our website.

v8.35.1

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🩹 Fixes
  • remove prettier from eslint-plugin (#​11339)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.35.0

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🚀 Features
  • eslint-plugin: [no-base-to-string] add checkUnknown Option (#​11128)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.34.1

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This was a version bump only for eslint-plugin to align it with other projects, there were no code changes.

You can read about our versioning strategy and releases on our website.

v8.34.0

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🩹 Fixes
  • typescript-estree: add validation to interface extends (#​11271)
❤️ Thank You
  • Tao

You can read about our versioning strategy and releases on our website.

v8.33.1

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🩹 Fixes
  • exclude docs/ directory from eslint-plugin package (#​11251)
❤️ Thank You
  • roottool

You can read about our versioning strategy and releases on our website.

v8.33.0

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This was a version bump only for eslint-plugin to align it with other projects, there were no code changes.

You can read about our versioning strategy and releases on our website.

v8.32.1

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🩹 Fixes
  • eslint-plugin: [consistent-indexed-object-style] check for indirect circular types in aliased mapped types (#​11177)
  • eslint-plugin: [consistent-indexed-object-style] adjust auto-fixer to generate valid syntax for TSMappedType with no type annotation (#​11180)
  • eslint-plugin: [no-deprecated] support computed member access (#​10867)
  • eslint-plugin: [no-unnecessary-type-conversion] shouldn't have fixable property (#​11194)
❤️ Thank You

You can read about our versioning strategy and releases on our website.

v8.32.0

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🚀 Features
  • eslint-plugin: [only-throw-error] add option allowRethrowing (#​11075)
  • eslint-plugin: [no-unnecessary-type-conversion] add rule (#​10182)
🩹 Fixes
  • eslint-plugin: [prefer-nullish-coalescing] fix parenthesization bug in suggestion (#​11098)
  • eslint-plugin: [unified-signatures] exempt this from optional parameter overload check (#​11005)
  • eslint-plugin: [no-unnecessary-type-parameters] should parenthesize type in suggestion fixer if necessary (#​10907)
❤️ Thank You

You can read about our [versioning strategy](https://main--

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