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feat(eslint-plugin): [no-unnecessary-type-parameters] special case tuples and parameter location arrays as single-use#9536
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Thanks for the PR,@jfet97! typescript-eslint is a 100% community driven project, and we are incredibly grateful that you are contributing to that community. The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately. Thanks again! 🙏Please, if you or your company is finding typescript-eslint valuable, help us sustain the project by sponsoring it transparently onhttps://opencollective.com/typescript-eslint. |
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codecovbot commentedJul 10, 2024 • edited
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Codecov ReportAttention: Patch coverage is
❌ Your patch status has failed because the patch coverage (84.61%) is below the target coverage (90.00%). You can increase the patch coverage or adjust thetarget coverage. Additional details and impacted files@@ Coverage Diff @@## main #9536 +/- ##==========================================+ Coverage 86.76% 87.27% +0.51%========================================== Files 444 453 +9 Lines 15311 15841 +530 Branches 4457 4647 +190 ==========================================+ Hits 13285 13826 +541+ Misses 1672 1658 -14- Partials 354 357 +3
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Hey thanks for sending this in & iterating on it! I think the direction here might be a big different from the issue? Did I misread something?
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Yup, LGTM - thanks for the iteration!
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kirkwaiblinger commentedFeb 26, 2025 • edited
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There's a parenthesization bug around the suggestion fixer - it fixes this: classJoiner{join<Textendsstring|number>(els:T[]){returnels.map(el=>''+el).join(',');}} to this: classJoiner{join(els:string|number[]){returnels.map(el=>''+el).join(',');}} That might be worsened by this PR due to it now reporting on |
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Exciting!
Filed#10894 to follow up on#9536 (comment) |
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So relieved to have this through 🫠 thanks so much everyone for working on this! 🚀
CI failures are unrelated on |
d8a4fb6
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| datasource | package | from | to || ---------- | -------------------------------- | ------ | ------ || npm | @typescript-eslint/eslint-plugin | 8.24.0 | 8.26.0 || npm | @typescript-eslint/parser | 8.24.0 | 8.26.0 |## [v8.26.0](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8260-2025-03-03)##### 🚀 Features- **eslint-plugin:** \[unified-signatures] support ignoring overload signatures with different JSDoc comments ([#10781](typescript-eslint/typescript-eslint#10781))- **eslint-plugin:** \[explicit-module-boundary-types] add an option to ignore overload implementations ([#10889](typescript-eslint/typescript-eslint#10889))- **eslint-plugin:** \[no-unused-var] handle implicit exports in declaration files ([#10714](typescript-eslint/typescript-eslint#10714))- support TypeScript 5.8 ([#10903](typescript-eslint/typescript-eslint#10903))- **eslint-plugin:** \[no-unnecessary-type-parameters] special case tuples and parameter location arrays as single-use ([#9536](typescript-eslint/typescript-eslint#9536))##### 🩹 Fixes- **eslint-plugin:** \[no-unnecessary-type-assertion] handle unknown ([#10875](typescript-eslint/typescript-eslint#10875))- **eslint-plugin:** \[no-invalid-void-type] report `accessor` properties with an invalid `void` type ([#10864](typescript-eslint/typescript-eslint#10864))- **eslint-plugin:** \[unified-signatures] does not differentiate truly private methods ([#10806](typescript-eslint/typescript-eslint#10806))##### ❤️ Thank You- Andrea Simone Costa [@jfet97](https://github.com/jfet97)- Dirk Luijk [@dirkluijk](https://github.com/dirkluijk)- Ronen Amiel- YeonJuan [@yeonjuan](https://github.com/yeonjuan)- Yukihiro Hasegawa [@y-hsgw](https://github.com/y-hsgw)You can read about our [versioning strategy](https://main--typescript-eslint.netlify.app/users/versioning) and [releases](https://main--typescript-eslint.netlify.app/users/releases) on our website.## [v8.25.0](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8250-2025-02-24)##### 🚀 Features- **eslint-plugin:** \[no-misused-spread] add suggestions ([#10719](typescript-eslint/typescript-eslint#10719))##### 🩹 Fixes- **eslint-plugin:** \[prefer-nullish-coalescing] report on chain expressions in a ternary ([#10708](typescript-eslint/typescript-eslint#10708))- **eslint-plugin:** \[no-deprecated] report usage of deprecated private identifiers ([#10844](typescript-eslint/typescript-eslint#10844))- **eslint-plugin:** \[unified-signatures] handle getter-setter ([#10818](typescript-eslint/typescript-eslint#10818))##### ❤️ Thank You- Olivier Zalmanski [@OlivierZal](https://github.com/OlivierZal)- Ronen Amiel- YeonJuan [@yeonjuan](https://github.com/yeonjuan)You can read about our [versioning strategy](https://main--typescript-eslint.netlify.app/users/versioning) and [releases](https://main--typescript-eslint.netlify.app/users/releases) on our website.## [v8.24.1](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8241-2025-02-17)##### 🩹 Fixes- **eslint-plugin:** \[class-methods-use-this] check `accessor` methods with a function initializer ([#10796](typescript-eslint/typescript-eslint#10796))- **eslint-plugin:** \[no-misused-promises] don't report on `static` `accessor` properties ([#10814](typescript-eslint/typescript-eslint#10814))- **eslint-plugin:** \[no-deprecated] don't report on deprecated `accessor` property declaration ([#10813](typescript-eslint/typescript-eslint#10813))- **eslint-plugin:** \[explicit-member-accessibility] check `accessor` class properties for missing accessibility modifier ([#10805](typescript-eslint/typescript-eslint#10805))- **eslint-plugin:** \[explicit-module-boundary-types] check `accessor` class properties with a function initializer ([#10804](typescript-eslint/typescript-eslint#10804))- **eslint-plugin:** \[prefer-return-this-type] check `accessor` properties with a function initializer ([#10794](typescript-eslint/typescript-eslint#10794))- **eslint-plugin:** \[consistent-generic-constructors] check `accessor` class properties ([#10789](typescript-eslint/typescript-eslint#10789))- **eslint-plugin:** \[no-unsafe-assignment] report on an `any` value assigned as an initializer of an `accessor` property ([#10785](typescript-eslint/typescript-eslint#10785))- **eslint-plugin:** \[no-unnecessary-template-expression] ignore enum and enum members ([#10782](typescript-eslint/typescript-eslint#10782))- **eslint-plugin:** \[no-inferrable-types] handle accessor ([#10780](typescript-eslint/typescript-eslint#10780))##### ❤️ Thank You- Ronen Amiel- YeonJuanYou can read about our [versioning strategy](https://main--typescript-eslint.netlify.app/users/versioning) and [releases](https://main--typescript-eslint.netlify.app/users/releases) on our website.
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PR Checklist
Overview
Based on initial work from@danvk, this PR special cases
readonly T[]
,T[]
,ReadonlyArray<T>
,Array<T>
and tuples as single use generic types.