.eslintrc.js

// .eslintrc.js
module.exports = {
  root: true,
  env: {
    browser: true,
    node: true,
    es6: true,
  },
  parserOptions: {
    ecmaVersion: 2020, // Use the latest ecmascript standard
    sourceType: 'module', // Allows using import/export statements
    ecmaFeatures: {
      jsx: true, // Enable JSX since we're using React
    },
  },
  settings: {
    react: {
      version: 'detect', // Automatically detect the react version
    },
  },
  ignorePatterns: ['node_modules/*', '.next/*', '.out/*', '!.prettierrc.js'], // We don't want to lint generated files nor node_modules, but we want to lint .prettierrc.js (ignored by default by eslint)
  extends: [
    'eslint:recommended',
    'plugin:react/recommended',
    'plugin:jsx-a11y/recommended',
    'plugin:prettier/recommended', // Make this the last element so prettier config overrides other formatting rules
  ],
  rules: {
    'prettier/prettier': ['error', {}, { usePrettierrc: true }], // Use our .prettierrc file as source,
    'react/react-in-jsx-scope': 'off',
    'react/prop-types': 'off',
    'jsx-a11y/anchor-is-valid': [
      'error',
      {
        components: ['Link'],
        specialLink: ['hrefLeft', 'hrefRight'],
        aspects: ['invalidHref', 'preferButton'],
      },
    ],
  },
};