eslint-config-prettier disables all ESLint rules that might conflict with Prettier. This ensures your code isn't unnecessarily flagged by ESLint after Prettier has already formatted it. It's typically used in conjunction with eslint-plugin-prettier which lets you run Prettier as an ESLint rule. By extending this config in your ESLint configuration file and installing eslint-plugin-prettier, you can easily maintain consistent code style across your JavaScript projects, avoiding formatting-related linting errors.