fix(eslint-plugin): [prefer-optional-chain] no report for property on intersection type by NewtonYuan · Pull Request #12126 · typescript-eslint/typescript-eslint

NewtonYuan · 2026-03-11T03:21:41Z

PR Checklist

Addresses an existing open issue: fixes Bug: [prefer-optional-chain] does not report for property on intersection type #12122
That issue was marked as accepting prs
Steps in Contributing were taken

Overview

Problem: prefer-optional-chain didn’t recognize nullable intersection types in loose-boolean checks
Fix: flatten intersection constituents during operand type analysis.

typescript-eslint · 2026-03-11T03:21:43Z

Thanks for the PR, @NewtonYuan!

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 on https://opencollective.com/typescript-eslint.

netlify · 2026-03-11T03:21:45Z

✅ Deploy Preview for typescript-eslint ready!

Name	Link
🔨 Latest commit	`5248b3f`
🔍 Latest deploy log	https://app.netlify.com/projects/typescript-eslint/deploys/69b0dfd529d4bc0008d97dfa
😎 Deploy Preview	https://deploy-preview-12126--typescript-eslint.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.
Lighthouse	1 paths audited Performance: 99 (no change from production) Accessibility: 97 (no change from production) Best Practices: 100 (no change from production) SEO: 90 (no change from production) PWA: 80 (no change from production) View the detailed breakdown and full score reports

To edit notification comments on pull requests, go to your Netlify project configuration.

nx-cloud · 2026-03-11T03:23:10Z

View your CI Pipeline Execution ↗ for commit 5248b3f

Command	Status	Duration	Result
`nx run-many -t lint`	✅ Succeeded	2m 44s	View ↗
`nx run-many -t typecheck`	✅ Succeeded	49s	View ↗
`nx run integration-tests:test`	✅ Succeeded	4s	View ↗
`nx test eslint-plugin-internal --coverage=false`	✅ Succeeded	3s	View ↗
`nx run generate-configs`	✅ Succeeded	7s	View ↗
`nx test typescript-estree --coverage=false`	✅ Succeeded	1s	View ↗
`nx run types:build`	✅ Succeeded	1s	View ↗
`nx run-many --target=build --parallel --exclude...`	✅ Succeeded	12s	View ↗
`Additional runs (34)`	✅ Succeeded	...	View ↗

☁️ Nx Cloud last updated this comment at 2026-03-11 03:27:51 UTC

codecov · 2026-03-11T03:28:02Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.45%. Comparing base (8ba5c78) to head (5248b3f).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #12126   +/-   ##
=======================================
  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

Flag	Coverage Δ
unittest	`86.45% <100.00%> (+<0.01%)`	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...efer-optional-chain-utils/gatherLogicalOperands.ts	`99.33% <100.00%> (+<0.01%)`	⬆️

🚀 New features to boost your workflow:

❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

JoshuaKGoldberg

Nice and clean, thanks! ✨

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) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/typescript-eslint/typescript-eslint/badge)](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) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/typescript-eslint/typescript-eslint/badge)](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) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/i18next/i18next/badge)](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) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/remix-run/react-router/badge)](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) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/typescript-eslint/typescript-eslint/badge)](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) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/vitest-dev/vitest/badge)](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> --- - [ ] If you want to rebase/retry this MR, check this box --- This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).  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>

@ej-shafran

| 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. 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) ##### 🩹 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. ## [v8.57.0](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8570-2026-03-09) ##### 🚀 Features - **eslint-plugin:** \[no-unnecessary-condition] allow literal loop conditions in for/do loops ([#12080](typescript-eslint/typescript-eslint#12080)) ##### 🩹 Fixes - **eslint-plugin:** \[no-base-to-string] fix false positive for toString with overloads ([#12089](typescript-eslint/typescript-eslint#12089)) - **eslint-plugin:** \[prefer-promise-reject-errors] add allow `TypeOrValueSpecifier` to prefer-promise-reject-errors ([#12094](typescript-eslint/typescript-eslint#12094)) - **typescript-estree:** if the template literal is tagged and the text has an invalid escape, `cooked` will be `null` ([#11355](typescript-eslint/typescript-eslint#11355)) - **eslint-plugin:** guard against negative paramIndex in no-useless-default-assignment ([#12077](typescript-eslint/typescript-eslint#12077)) - **eslint-plugin:** handle statically analyzable computed keys in prefer-readonly ([#12079](typescript-eslint/typescript-eslint#12079)) - **eslint-plugin:** \[strict-void-return] false positives with overloads ([#12055](typescript-eslint/typescript-eslint#12055)) ##### ❤️ Thank You - Brad Zacher [@bradzacher](https://github.com/bradzacher) - Brian Schlenker [@bschlenk](https://github.com/bschlenk) - Evyatar Daud [@StyleShit](https://github.com/StyleShit) - James Henry [@JamesHenry](https://github.com/JamesHenry) - Josh Goldberg - Kirk Waiblinger [@kirkwaiblinger](https://github.com/kirkwaiblinger) - Moses Odutusin [@thebolarin](https://github.com/thebolarin) - Newton Yuan [@NewtonYuan](https://github.com/NewtonYuan) - SungHyun627 [@SungHyun627](https://github.com/SungHyun627) - Younsang Na [@nayounsang](https://github.com/nayounsang) See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.57.0) 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. ## [v8.56.1](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.

fix: now reports

d8bfa1a

Merge branch 'main' into fix-no-report-for-property-on-intersection-type

5248b3f

NewtonYuan marked this pull request as ready for review March 11, 2026 03:22

JoshuaKGoldberg approved these changes Mar 16, 2026

View reviewed changes

JoshuaKGoldberg changed the title ~~fix(eslint-plugin): no report for property on intersection type~~ fix(eslint-plugin): [prefer-optional-chain] no report for property on intersection type Mar 16, 2026

JoshuaKGoldberg merged commit e114629 into typescript-eslint:main Mar 16, 2026
74 checks passed

riendeau mentioned this pull request Mar 16, 2026

chore(deps-dev): bump typescript-eslint from 8.57.0 to 8.57.1 in the typescript-eslint group riendeau/spades-game#137

Merged

ArnaudBarre added a commit to ArnaudBarre/tsl that referenced this pull request Mar 29, 2026

Port typescript-eslint/typescript-eslint#12126

b4a37a8

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

fix(eslint-plugin): [prefer-optional-chain] no report for property on intersection type #12126

fix(eslint-plugin): [prefer-optional-chain] no report for property on intersection type #12126
JoshuaKGoldberg merged 2 commits intotypescript-eslint:mainfrom
NewtonYuan:fix-no-report-for-property-on-intersection-type

NewtonYuan commented Mar 11, 2026 •

edited

Loading

Uh oh!

typescript-eslint bot commented Mar 11, 2026

Uh oh!

netlify bot commented Mar 11, 2026 •

edited

Loading

Uh oh!

nx-cloud bot commented Mar 11, 2026 •

edited

Loading

Uh oh!

codecov bot commented Mar 11, 2026 •

edited

Loading

Uh oh!

JoshuaKGoldberg left a comment

Uh oh!

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

2 participants

Uh oh!

Conversation

NewtonYuan commented Mar 11, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

PR Checklist

Overview

Uh oh!

typescript-eslint bot commented Mar 11, 2026

Uh oh!

netlify bot commented Mar 11, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

✅ Deploy Preview for typescript-eslint ready!

Uh oh!

nx-cloud bot commented Mar 11, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

codecov bot commented Mar 11, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Codecov Report

Uh oh!

JoshuaKGoldberg left a comment

Choose a reason for hiding this comment

Uh oh!

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

2 participants

NewtonYuan commented Mar 11, 2026 •

edited

Loading

netlify bot commented Mar 11, 2026 •

edited

Loading

nx-cloud bot commented Mar 11, 2026 •

edited

Loading

codecov bot commented Mar 11, 2026 •

edited

Loading