Releases · Rel1cx/eslint-react

What's Changed

Target Environment Updates: Now ESM and ESLint Flat Config Only

Drop support for CommonJS (CJS) module format, packages are now distributed only as ECMAScript Modules (ESM)
Drop support for ESLint legacy config system, packages now support only ESLint Flat Config (eslint.config.js)
Drop support for Node.js 16 and 18, minimum required version is now Node.js 20
Drop support for ESLint 8, minimum required version is now ESLint 9.3.6
Drop support for TypeScript 4, minimum required version is now TypeScript 5.9.2

Removed Rules

Rule	Replaced by	Reason
`react-x/avoid-shorthand-boolean`	`react-x/jsx-shorthand-boolean`	consolidated
`react-x/avoid-shorthand-fragment`	`react-x/jsx-shorthand-fragment`	consolidated
`react-x/ensure-forward-ref-using-ref`	`react-x/no-useless-forward-ref`	renamed
`react-x/jsx-no-duplicate-props`	`react-x/jsx-no-duplicate-props`	renamed
`react-x/no-comment-textnodes`	`react-x/jsx-no-comment-textnodes`	renamed
`react-x/no-complicated-conditional-rendering`		discontinued
`react-x/no-nested-components`	`react-x/no-nested-component-definitions`	renamed
`react-x/prefer-react-namespace-import`	`react-x/prefer-namespace-import`	renamed
`react-x/prefer-shorthand-boolean`	`react-x/jsx-shorthand-boolean`	consolidated
`react-x/prefer-shorthand-fragment`	`react-x/jsx-shorthand-fragment`	consolidated
`react-x/use-jsx-vars`	`react-x/jsx-uses-vars`	renamed
`react-dom/no-children-in-void-dom-elements`	`react-dom/no-void-elements-with-children`	renamed
`react-hooks-extra/no-direct-set-state-in-use-layout-effect`	`react-hooks-extra/no-direct-set-state-in-use-effect`	consolidated
`react-hooks-extra/no-unnecessary-use-callback`	`react-x/no-unnecessary-use-callback`	relocated
`react-hooks-extra/no-unnecessary-use-memo`	`react-x/no-unnecessary-use-memo`	relocated
`react-hooks-extra/no-unnecessary-use-prefix`	`react-x/no-unnecessary-use-prefix`	relocated
`react-hooks-extra/prefer-use-state-lazy-initialization`	`react-x/prefer-use-state-lazy-initialization`	relocated

Removed Presets

Preset	Replaced by	Reason
`core`	`x`	renamed
`core-legacy`		discontinued
`off-dom`	`disable-dom`	renamed
`off-dom-legacy`		discontinued
`x-legacy`		discontinued
`dom-legacy`		discontinued
`web-api-legacy`		discontinued
`recommended-legacy`		discontinued
`recommended-typescript-legacy`		discontinued
`recommended-type-checked-legacy`		discontinued

Removed Settings

The rule implementations have been refactored to improve performance and maintainability.

Added the following new rules:

react-x/jsx-shorthand-boolean: Enforces a consistent style for boolean attributes by @Rel1cx
react-x/jsx-shorthand-fragment: Enforces a consistent style for React Fragments by @Rel1cx
react-x/no-forbidden-props: Disallows specific props on components by @reteps
react-x/no-unnecessary-key: Reports unnecessary key props on elements by @Rel1cx @kachkaev
react-x/no-unused-props: Reports unused props in components by @ulrichstark
react-dom/no-string-style-prop: Disallows string values for the style prop by @Rel1cx @karlhorky
react-dom/prefer-namespace-import: Enforces using a namespace import for react-dom by @Rel1cx

Added the following new rule to the recommended-type-checked preset:

The following rules now support Codemod features:

The following rules now support auto-fix:

The following rules now support suggestion fixes:

New configuration preset added:

disable-conflict-eslint-plugin-react: Disable rules in eslint-plugin-react that conflict with rules in our plugins by @reteps

fix(react-x/no-unnecessary-use-prefix): fix false positive of React Hooks defined within the callback function of vi.mock(...) in Vitest test files by @Rel1cx
fix(react-web-api/no-leaked-event-listener): fix useEffect setup function check to handle React.useEffect() calls correctly by @Rel1cx
fix(react-naming-convention/filename): fix false positive on well-known filenames like 404.tsx, _app.tsx, [slug].tsx by @Rel1cx

refactor: simplify React APIs detection logic by @Rel1cx
refactor: cleanup utilities and simplify rule implementations by @Rel1cx
docs: add comparison table between eslint-plugin-react and eslint-react rules by @reteps
docs: replace tseslint.config with defineConfig in all examples by @Rel1cx
build: migrate build system from tsup to tsdown for better performance by @Rel1cx

Full Changelog: v1.53.1...v2.0.0

Thanks to all contributors who made this release possible!