ESLint & Prettier Configuration Setup consistent code quality and formatting with ESLint and Prettier. Core Workflow 1. Install dependencies : ESLint, Prettier, plugins 2. Configure ESLint : Rules and extends 3. Configure Prettier : Formatting options 4. Integrate tools : ESLint + Prettier 5. Setup scripts : Lint and format commands 6. Add hooks : Pre-commit validation ESLint Flat Config (v9+) ESLint Legacy Config (.eslintrc) Prettier Configuration Package Dependencies Git Hooks with Husky Commitlint Configuration VS Code Integration Next.js Specific Node.js/API Specific Custom Rules Examples…