Bug: eslint-plugin-react-hooks@7.0.0 Type 'ReactHooksFlatConfig | undefined' is not assignable to type 'InfiniteArray<ConfigWithExtends>'

[ulrichstark]

The recommended way to configure for flat config in eslint-plugin-react-hooks@7.0.0 isn't correctly typed with TypeScript and enabled noUncheckedIndexedAccess flag:

import reactHooks from 'eslint-plugin-react-hooks';
import { defineConfig } from 'eslint/config';

export default defineConfig([
  reactHooks.configs.flat.recommended,
]);

Either disabling noUncheckedIndexedAccess or non-null asserting the value with ! works.

Steps To Reproduce

1. Clone https://github.com/ulrichstark/eslint-plugin-react-hooks-type-repro
2. Run npm install
3. Run npx tsc

The current behavior

eslint.config.ts:4:30 - error TS2322: Type 'ReactHooksFlatConfig | undefined' is not assignable to type 'InfiniteArray<ConfigWithExtends>'.
  Type 'undefined' is not assignable to type 'InfiniteArray<ConfigWithExtends>'.

4 export default defineConfig([reactHooks.configs.flat.recommended]);
                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Found 1 error in eslint.config.ts:4

The expected behavior

No TypeScript error.

[kachkaev]

Closed via #34950. Can be tested in 0.0.0-experimental-eb2f784e-20251022 (to be released as 7.0.1 later).

[ulrichstark]

Thanks! Issue is indeed fixed in version 7.0.1.