fix(eslint-plugin): [no-non-null-assertion] do not suggest optional chain on LHS of assignment #11489
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kirkwaiblinger
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Aug 27, 2025
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The logic change looks correct but requesting a couple finishing touches. Thanks!
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These tests don't appear to test anything related to formatting. Could you remove the noFormat please unless there is a specific reason for them?
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Sorry about that.. I fixed it in 3248823!
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #11489 +/- ##
=======================================
Coverage 90.87% 90.87%
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Files 505 505
Lines 51146 51147 +1
Branches 8424 8425 +1
=======================================
+ Hits 46480 46481 +1
Misses 4652 4652
Partials 14 14
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| datasource | package | from | to | | ---------- | -------------------------------- | ------ | ------ | | npm | @typescript-eslint/eslint-plugin | 8.42.0 | 8.43.0 | | npm | @typescript-eslint/parser | 8.42.0 | 8.43.0 | ## [v8.43.0](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8430-2025-09-08) ##### 🚀 Features - **typescript-estree:** disallow empty type parameter/argument lists ([#11563](typescript-eslint/typescript-eslint#11563)) ##### 🩹 Fixes - **eslint-plugin:** \[prefer-return-this-type] don't report an error when returning a union type that includes a classType ([#11432](typescript-eslint/typescript-eslint#11432)) - **eslint-plugin:** \[no-deprecated] should report deprecated exports and reexports ([#11359](typescript-eslint/typescript-eslint#11359)) - **eslint-plugin:** \[no-floating-promises] allowForKnownSafeCalls now supports function names ([#11423](typescript-eslint/typescript-eslint#11423), [#11430](typescript-eslint/typescript-eslint#11430)) - **eslint-plugin:** \[consistent-type-exports] fix declaration shadowing ([#11457](typescript-eslint/typescript-eslint#11457)) - **eslint-plugin:** \[no-unnecessary-type-conversion] only report \~\~ on integer literal types ([#11517](typescript-eslint/typescript-eslint#11517)) - **scope-manager:** exclude Program from DefinitionBase node types ([#11469](typescript-eslint/typescript-eslint#11469)) - **eslint-plugin:** \[no-non-null-assertion] do not suggest optional chain on LHS of assignment ([#11489](typescript-eslint/typescript-eslint#11489)) - **type-utils:** add union type support to TypeOrValueSpecifier ([#11526](typescript-eslint/typescript-eslint#11526)) ##### ❤️ Thank You - Dima [@dbarabashh](https://github.com/dbarabashh) - Kirk Waiblinger [@kirkwaiblinger](https://github.com/kirkwaiblinger) - mdm317 - tao - Victor Genaev [@mainframev](https://github.com/mainframev) - Yukihiro Hasegawa [@y-hsgw](https://github.com/y-hsgw) - 민감자(Minji Kim) [@mouse0429](https://github.com/mouse0429) - 송재욱 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
Avoid suggestions for non-null assertions in assignee positions to prevent invalid auto-fixes.
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