fix(eslint-plugin): [no-unsafe-return] false positive on unwrapping generic#12125
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JoshuaKGoldberg merged 2 commits intotypescript-eslint:mainfrom Mar 21, 2026
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #12125 +/- ##
=======================================
Coverage 86.45% 86.45%
=======================================
Files 501 501
Lines 16200 16201 +1
Branches 5042 5042
=======================================
+ Hits 14006 14007 +1
Misses 1506 1506
Partials 688 688
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…eneric (typescript-eslint#12125) fix: false positive error
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This MR contains the following updates: | Package | Type | Update | Change | OpenSSF | |---|---|---|---|---| | [@typescript-eslint/eslint-plugin](https://typescript-eslint.io/packages/eslint-plugin) ([source](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin)) | devDependencies | patch | [`8.57.0` → `8.57.2`](https://renovatebot.com/diffs/npm/@typescript-eslint%2feslint-plugin/8.57.0/8.57.2) | [](https://securityscorecards.dev/viewer/?uri=github.com/typescript-eslint/typescript-eslint) | | [@typescript-eslint/parser](https://typescript-eslint.io/packages/parser) ([source](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser)) | devDependencies | patch | [`8.57.0` → `8.57.2`](https://renovatebot.com/diffs/npm/@typescript-eslint%2fparser/8.57.0/8.57.2) | [](https://securityscorecards.dev/viewer/?uri=github.com/typescript-eslint/typescript-eslint) | | [i18next](https://www.i18next.com) ([source](https://github.com/i18next/i18next)) | dependencies | patch | [`25.10.9` → `25.10.10`](https://renovatebot.com/diffs/npm/i18next/25.10.9/25.10.10) | [](https://securityscorecards.dev/viewer/?uri=github.com/i18next/i18next) | | [react-router-dom](https://github.com/remix-run/react-router) ([source](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router-dom)) | dependencies | patch | [`7.13.1` → `7.13.2`](https://renovatebot.com/diffs/npm/react-router-dom/7.13.1/7.13.2) | [](https://securityscorecards.dev/viewer/?uri=github.com/remix-run/react-router) | | [typescript-eslint](https://typescript-eslint.io/packages/typescript-eslint) ([source](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/typescript-eslint)) | devDependencies | patch | [`8.57.0` → `8.57.2`](https://renovatebot.com/diffs/npm/typescript-eslint/8.57.0/8.57.2) | [](https://securityscorecards.dev/viewer/?uri=github.com/typescript-eslint/typescript-eslint) | | [vitest](https://vitest.dev) ([source](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest)) | devDependencies | patch | [`4.1.0` → `4.1.2`](https://renovatebot.com/diffs/npm/vitest/4.1.0/4.1.2) | [](https://securityscorecards.dev/viewer/?uri=github.com/vitest-dev/vitest) | --- ### Release Notes <details> <summary>typescript-eslint/typescript-eslint (@​typescript-eslint/eslint-plugin)</summary> ### [`v8.57.2`](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8572-2026-03-23) [Compare Source](typescript-eslint/typescript-eslint@v8.57.1...v8.57.2) ##### 🩹 Fixes - **eslint-plugin:** \[prefer-readonly-parameter-types] preserve type alias infomation ([#​11954](typescript-eslint/typescript-eslint#11954)) - **eslint-plugin:** \[no-useless-default-assignment] skip reporting false positives for unresolved type parameters ([#​12127](typescript-eslint/typescript-eslint#12127)) - **eslint-plugin:** \[no-unsafe-return] false positive on unwrapping generic ([#​12125](typescript-eslint/typescript-eslint#12125)) - **eslint-plugin:** \[no-restricted-types] flag banned generics in extends or implements ([#​12120](typescript-eslint/typescript-eslint#12120)) - **eslint-plugin:** \[array-type] ignore Array and ReadonlyArray without type arguments ([#​11971](typescript-eslint/typescript-eslint#11971)) - **eslint-plugin:** \[prefer-optional-chain] remove dangling closing parenthesis ([#​11865](typescript-eslint/typescript-eslint#11865)) ##### ❤️ Thank You - Kirk Waiblinger [@​kirkwaiblinger](https://github.com/kirkwaiblinger) - Konv Suu - mdm317 - Newton Yuan [@​NewtonYuan](https://github.com/NewtonYuan) - SungHyun627 [@​SungHyun627](https://github.com/SungHyun627) - Tamashoo [@​Tamashoo](https://github.com/Tamashoo) See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.57.2) for more information. You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website. ### [`v8.57.1`](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8571-2026-03-16) [Compare Source](typescript-eslint/typescript-eslint@v8.57.0...v8.57.1) ##### 🩹 Fixes - **eslint-plugin:** \[prefer-optional-chain] no report for property on intersection type ([#​12126](typescript-eslint/typescript-eslint#12126)) ##### ❤️ Thank You - Newton Yuan [@​NewtonYuan](https://github.com/NewtonYuan) See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.57.1) for more information. You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website. </details> <details> <summary>typescript-eslint/typescript-eslint (@​typescript-eslint/parser)</summary> ### [`v8.57.2`](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/parser/CHANGELOG.md#8572-2026-03-23) [Compare Source](typescript-eslint/typescript-eslint@v8.57.1...v8.57.2) This was a version bump only for parser to align it with other projects, there were no code changes. See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.57.2) for more information. You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website. ### [`v8.57.1`](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/parser/CHANGELOG.md#8571-2026-03-16) [Compare Source](typescript-eslint/typescript-eslint@v8.57.0...v8.57.1) This was a version bump only for parser to align it with other projects, there were no code changes. See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.57.1) for more information. You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website. </details> <details> <summary>i18next/i18next (i18next)</summary> ### [`v25.10.10`](https://github.com/i18next/i18next/blob/HEAD/CHANGELOG.md#251010) [Compare Source](i18next/i18next@v25.10.9...v25.10.10) - feat: suppress support notice automatically in production environments (`NODE_ENV=production`) </details> <details> <summary>remix-run/react-router (react-router-dom)</summary> ### [`v7.13.2`](https://github.com/remix-run/react-router/blob/HEAD/packages/react-router-dom/CHANGELOG.md#7132) [Compare Source](https://github.com/remix-run/react-router/compare/[email protected]@7.13.2) ##### Patch Changes - Updated dependencies: - `[email protected]` </details> <details> <summary>typescript-eslint/typescript-eslint (typescript-eslint)</summary> ### [`v8.57.2`](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/typescript-eslint/CHANGELOG.md#8572-2026-03-23) [Compare Source](typescript-eslint/typescript-eslint@v8.57.1...v8.57.2) This was a version bump only for typescript-eslint to align it with other projects, there were no code changes. See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.57.2) for more information. You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website. ### [`v8.57.1`](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/typescript-eslint/CHANGELOG.md#8571-2026-03-16) [Compare Source](typescript-eslint/typescript-eslint@v8.57.0...v8.57.1) This was a version bump only for typescript-eslint to align it with other projects, there were no code changes. See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.57.1) for more information. You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website. </details> <details> <summary>vitest-dev/vitest (vitest)</summary> ### [`v4.1.2`](https://github.com/vitest-dev/vitest/releases/tag/v4.1.2) [Compare Source](vitest-dev/vitest@v4.1.1...v4.1.2) This release bumps Vitest's `flatted` version and removes version pinning to resolve `flatted`'s CVE related issues ([#​9975](vitest-dev/vitest#9975)). ##### 🐞 Bug Fixes - Don't resolve `setupFiles` from parent directory - by [@​hi-ogawa](https://github.com/hi-ogawa) in [#​9960](vitest-dev/vitest#9960) [<samp>(7aa93)</samp>](vitest-dev/vitest@7aa937776) - Ensure sequential mock/unmock resolution - by [@​hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#​9830](vitest-dev/vitest#9830) [<samp>(7c065)</samp>](vitest-dev/vitest@7c06598db) - **browser**: Take failure screenshot if `toMatchScreenshot` can't capture a stable screenshot - by [@​macarie](https://github.com/macarie) in [#​9847](vitest-dev/vitest#9847) [<samp>(faace)</samp>](vitest-dev/vitest@faace1fbe) - **coverage**: Correct `coverageConfigDefaults` values and types - by [@​Arthie](https://github.com/Arthie) in [#​9940](vitest-dev/vitest#9940) [<samp>(b3c99)</samp>](vitest-dev/vitest@b3c992cb2) - **pretty-format**: Fix output limit over counting - by [@​hi-ogawa](https://github.com/hi-ogawa) in [#​9965](vitest-dev/vitest#9965) [<samp>(d3b7a)</samp>](vitest-dev/vitest@d3b7a40fa) - Disable colors if agent is detected - by [@​sheremet-va](https://github.com/sheremet-va) and [@​AriPerkkio](https://github.com/AriPerkkio) in [#​9851](vitest-dev/vitest#9851) [<samp>(6f97b)</samp>](vitest-dev/vitest@6f97b55dd) ##### [View changes on GitHub](vitest-dev/vitest@v4.1.1...v4.1.2) ### [`v4.1.1`](https://github.com/vitest-dev/vitest/releases/tag/v4.1.1) [Compare Source](vitest-dev/vitest@v4.1.0...v4.1.1) ##### 🚀 Features - **experimental**: - Expose `matchesTags` to test if the current filter matches tags - by [@​sheremet-va](https://github.com/sheremet-va) in [#​9913](vitest-dev/vitest#9913) [<samp>(eec53)</samp>](vitest-dev/vitest@eec53d9f5) - Introduce `experimental.vcsProvider` - by [@​sheremet-va](https://github.com/sheremet-va) in [#​9928](vitest-dev/vitest#9928) [<samp>(56115)</samp>](vitest-dev/vitest@561150036) ##### 🐞 Bug Fixes - Mark `TestProject.testFilesList` internal properly - by [@​sapphi-red](https://github.com/sapphi-red) in [#​9867](vitest-dev/vitest#9867) [<samp>(54f26)</samp>](vitest-dev/vitest@54f2660f5) - Detect fixture that returns without calling `use` - by [@​oilater](https://github.com/oilater) in [#​9831](vitest-dev/vitest#9831) and [#​9861](vitest-dev/vitest#9861) [<samp>(633ae)</samp>](vitest-dev/vitest@633ae2303) - Drop vite 8.beta support - by [@​AriPerkkio](https://github.com/AriPerkkio) in [#​9862](vitest-dev/vitest#9862) [<samp>(b78f5)</samp>](vitest-dev/vitest@b78f5389d) - Type regression in vi.mocked() static class methods - by [@​purepear](https://github.com/purepear) and [@​hi-ogawa](https://github.com/hi-ogawa) in [#​9857](vitest-dev/vitest#9857) [<samp>(90926)</samp>](vitest-dev/vitest@90926641b) - Properly re-evaluate actual modules of mocked external - by [@​hi-ogawa](https://github.com/hi-ogawa) in [#​9898](vitest-dev/vitest#9898) [<samp>(ae5ec)</samp>](vitest-dev/vitest@ae5ec03ef) - Preserve coverage report when html reporter overlaps - by [@​hi-ogawa](https://github.com/hi-ogawa) in [#​9889](vitest-dev/vitest#9889) [<samp>(2d81a)</samp>](vitest-dev/vitest@2d81ad897) - Provide `vi.advanceTimers` to the preview provider - by [@​sheremet-va](https://github.com/sheremet-va) in [#​9891](vitest-dev/vitest#9891) [<samp>(1bc3e)</samp>](vitest-dev/vitest@1bc3e63be) - Don't leak event listener in playwright provider - by [@​sheremet-va](https://github.com/sheremet-va) in [#​9910](vitest-dev/vitest#9910) [<samp>(d9355)</samp>](vitest-dev/vitest@d93550ff7) - Open browser in `--standalone` mode without running tests - by [@​sheremet-va](https://github.com/sheremet-va) in [#​9911](vitest-dev/vitest#9911) [<samp>(e78ad)</samp>](vitest-dev/vitest@e78adcf97) - Guard disposable and optional `body` - by [@​sheremet-va](https://github.com/sheremet-va) in [#​9912](vitest-dev/vitest#9912) [<samp>(6fdb2)</samp>](vitest-dev/vitest@6fdb2ba61) - Resolve `retry.condition` RegExp serialization issue - by [@​nstepien](https://github.com/nstepien) and [@​hi-ogawa](https://github.com/hi-ogawa) in [#​9942](vitest-dev/vitest#9942) [<samp>(7b605)</samp>](vitest-dev/vitest@7b6054328) - **collect**: - Don't treat extra props on `test` return as tests - by [@​sheremet-va](https://github.com/sheremet-va) in [#​9871](vitest-dev/vitest#9871) [<samp>(141e7)</samp>](vitest-dev/vitest@141e72aa1) - **coverage**: - Simplify provider types - by [@​AriPerkkio](https://github.com/AriPerkkio) in [#​9931](vitest-dev/vitest#9931) [<samp>(aaf9f)</samp>](vitest-dev/vitest@aaf9f18ae) - Load built-in provider without module runner - by [@​AriPerkkio](https://github.com/AriPerkkio) in [#​9939](vitest-dev/vitest#9939) [<samp>(bf892)</samp>](vitest-dev/vitest@bf8920817) - **expect**: - Soft assertions continue after .resolves/.rejects promise errors - by [@​mixelburg](https://github.com/mixelburg), **Maks Pikov**, **Claude Opus 4.6 (1M context)** and [@​hi-ogawa](https://github.com/hi-ogawa) in [#​9843](vitest-dev/vitest#9843) [<samp>(6d74b)</samp>](vitest-dev/vitest@6d74b4948) - Fix sinon-chai style API - by [@​hi-ogawa](https://github.com/hi-ogawa) in [#​9943](vitest-dev/vitest#9943) [<samp>(0f08d)</samp>](vitest-dev/vitest@0f08dda2c) - **pretty-format**: - Limit output for large object - by [@​hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6 (1M context)** in [#​9949](vitest-dev/vitest#9949) [<samp>(0d5f9)</samp>](vitest-dev/vitest@0d5f9d6ef) ##### [View changes on GitHub](vitest-dev/vitest@v4.1.0...v4.1.1) </details> --- - [ ] <!-- rebase-check -->If you want to rebase/retry this MR, check this box --- This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My44NC4yIiwidXBkYXRlZEluVmVyIjoiNDMuOTEuNSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiZGVwZW5kZW5jaWVzIiwicmVub3ZhdGUiXX0=--> See merge request swiss-armed-forces/cyber-command/cea/loom!411 Co-authored-by: persistent-chamoisee yield <persistent-chamoisee-yield-9fd-f86-2e0-f31d23b2e@swiss-armed-forces-open-source.ch>
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| datasource | package | from | to | | ---------- | -------------------------------- | ------ | ------ | | npm | @typescript-eslint/eslint-plugin | 8.56.0 | 8.58.0 | | npm | @typescript-eslint/parser | 8.56.0 | 8.58.0 | ## [v8.58.0](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8580-2026-03-30) ##### 🚀 Features - support TypeScript 6 ([#12124](typescript-eslint/typescript-eslint#12124)) ##### 🩹 Fixes - **eslint-plugin:** \[prefer-regexp-exec] avoid fixing unknown RegExp flags ([#12161](typescript-eslint/typescript-eslint#12161)) - **eslint-plugin:** \[no-extraneous-class] handle index signatures ([#12142](typescript-eslint/typescript-eslint#12142)) - **eslint-plugin:** crash in `no-unnecessary-type-arguments` ([#12163](typescript-eslint/typescript-eslint#12163)) ##### ❤️ Thank You - ej shafran [@ej-shafran](https://github.com/ej-shafran) - Evyatar Daud [@StyleShit](https://github.com/StyleShit) - GG ZIBLAKING - milkboy2564 [@SeolJaeHyeok](https://github.com/SeolJaeHyeok) - teee32 [@teee32](https://github.com/teee32) See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.58.0) for more information. You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website. ## [v8.57.2](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8572-2026-03-23) ##### 🩹 Fixes - **eslint-plugin:** \[prefer-readonly-parameter-types] preserve type alias infomation ([#11954](typescript-eslint/typescript-eslint#11954)) - **eslint-plugin:** \[no-useless-default-assignment] skip reporting false positives for unresolved type parameters ([#12127](typescript-eslint/typescript-eslint#12127)) - **eslint-plugin:** \[no-unsafe-return] false positive on unwrapping generic ([#12125](typescript-eslint/typescript-eslint#12125)) - **eslint-plugin:** \[no-restricted-types] flag banned generics in extends or implements ([#12120](typescript-eslint/typescript-eslint#12120)) - **eslint-plugin:** \[array-type] ignore Array and ReadonlyArray without type arguments ([#11971](typescript-eslint/typescript-eslint#11971)) - **eslint-plugin:** \[prefer-optional-chain] remove dangling closing parenthesis ([#11865](typescript-eslint/typescript-eslint#11865)) ##### ❤️ Thank You - Kirk Waiblinger [@kirkwaiblinger](https://github.com/kirkwaiblinger) - Konv Suu - mdm317 - Newton Yuan [@NewtonYuan](https://github.com/NewtonYuan) - SungHyun627 [@SungHyun627](https://github.com/SungHyun627) - Tamashoo [@Tamashoo](https://github.com/Tamashoo) See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.57.2) for more information. 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| datasource | package | from | to | | ---------- | -------------------------------- | ------ | ------ | | npm | @typescript-eslint/eslint-plugin | 8.56.0 | 8.58.2 | | npm | @typescript-eslint/parser | 8.56.0 | 8.58.2 | ## [v8.58.2](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8582-2026-04-13) ##### 🩹 Fixes - **eslint-plugin:** \[no-unnecessary-condition] use assignability checks in checkTypePredicates ([#12147](typescript-eslint/typescript-eslint#12147)) - remove tsbuildinfo cache file from published packages ([#12187](typescript-eslint/typescript-eslint#12187)) ##### ❤️ Thank You - Abhijeet Singh [@cseas](https://github.com/cseas) - 송재욱 See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.58.2) for more information. 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You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website. ## [v8.56.1](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8561-2026-02-23) This was a version bump only for eslint-plugin to align it with other projects, there were no code changes. See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.56.1) for more information. You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website.
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PR Checklist
Overview
Problem: no-unsafe-return reduced generic conditional return types to their constraints and falsely treated Extractor as any.
Fix: use the actual return expression type for return-safety checks.