ESLint Flat Config Builder

Build an eslint.config.js flat config (ESLint v9+) interactively. Pick a language, JS/TS preset, plugins, common rules, and ignore patterns, then copy a ready-to-paste ES module config.

Language & Environment

Language Choose which file glob blocks to emit.

ECMAScript Version Parser ECMAScript target.

Source Type How files should be parsed.

Globals (environments)

Press Enter/comma to add. Common: browser, node, worker, jest.

Recommended Rules Base rule set to extend.

Disable conflicting stylistic rulesAdds eslint-config-prettier block to let Prettier handle formatting.

Plugins

Reacteslint-plugin-react

React Hookseslint-plugin-react-hooks

Importeslint-plugin-import

Unicorneslint-plugin-unicorn

JSX A11yeslint-plugin-jsx-a11y

Nodeeslint-plugin-n

Common Rules

Ignore Patterns

Globs applied as a separate { ignores } block at the top of the config.

eslint.config.js

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