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fix(eslint-plugin): [no-base-to-string] check array generic type#10437
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fix(eslint-plugin): [no-base-to-string] check array generic type#10437
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Thanks for the PR,@ronami! 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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694ada9 to1052e4cComparecodecovbot commentedDec 1, 2024 • edited
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@## main #10437 +/- ##==========================================+ Coverage 86.77% 86.90% +0.13%========================================== Files 444 446 +2 Lines 15335 15506 +171 Branches 4468 4518 +50 ==========================================+ Hits 13307 13476 +169- Misses 1673 1675 +2 Partials 355 355
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What Kirk said ✨
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(leaving a review in order for the label automations to work right)
… faulty tests to not check against the {} type
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One question, otherwise looks great to me!
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So many tests! 🙌
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…escript-eslint#10437)* initial implementation* add missing test* undo unrelated change* also cover [].toString()* refactor* respect the ignoredTypeNames option* update existing tests to use a helper for checking arrays, and change faulty tests to not check against the {} type* don't use a test helper for creating tests dynamically* remove unnecessary check
##### [v8.19.1](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8191-2025-01-06)##### 🩹 Fixes- **eslint-plugin:** \[no-unnecessary-type-assertion] handle literal types ([#10523](typescript-eslint/typescript-eslint#10523))- **eslint-plugin:** \[no-deprecated] doesn't report on shorthand property in an object expression ([#10550](typescript-eslint/typescript-eslint#10550))- **eslint-plugin:** \[strict-boolean-expressions] remove remaining (unsafe) autofixes ([#10548](typescript-eslint/typescript-eslint#10548))- **eslint-plugin:** \[no-shadow] report correctly on parameters of functions declared with the `declare` keyword ([#10543](typescript-eslint/typescript-eslint#10543))- **eslint-plugin:** \[no-base-to-string] check array generic type ([#10437](typescript-eslint/typescript-eslint#10437))##### ❤️ Thank You- Kirk Waiblinger- mdm317- Ronen Amiel- 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.
| datasource | package | from | to || ---------- | -------------------------------- | ------ | ------ || npm | @typescript-eslint/eslint-plugin | 8.19.0 | 8.19.1 || npm | @typescript-eslint/parser | 8.19.0 | 8.19.1 |## [v8.19.1](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8191-2025-01-06)##### 🩹 Fixes- **eslint-plugin:** \[no-unnecessary-type-assertion] handle literal types ([#10523](typescript-eslint/typescript-eslint#10523))- **eslint-plugin:** \[no-deprecated] doesn't report on shorthand property in an object expression ([#10550](typescript-eslint/typescript-eslint#10550))- **eslint-plugin:** \[strict-boolean-expressions] remove remaining (unsafe) autofixes ([#10548](typescript-eslint/typescript-eslint#10548))- **eslint-plugin:** \[no-shadow] report correctly on parameters of functions declared with the `declare` keyword ([#10543](typescript-eslint/typescript-eslint#10543))- **eslint-plugin:** \[no-base-to-string] check array generic type ([#10437](typescript-eslint/typescript-eslint#10437))##### ❤️ Thank You- Kirk Waiblinger- mdm317- Ronen Amiel- 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.


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PR Checklist
Overview
This PR addresses#10430 and adjusts the rule so it reports on the following ways of stringifying arrays (to my understanding,all are effectively the same as calling
array.join('')):Note that only the first (string coercion) is mentioned on the original issue, but it made sense to support the other ones too.