.eslintrc.js

module.exports = {
  root: true,
  extends: [
    'eslint:recommended',
    'plugin:react/recommended',
    'plugin:react/jsx-runtime',
    'plugin:jsx-a11y/recommended',
    'plugin:react-hooks/recommended',
    'plugin:import/recommended',
    'plugin:import/typescript',
    'prettier',
  ],
  env: {
    commonjs: true,
    node: true,
    jest: true,
  },
  parser: '@typescript-eslint/parser',
  plugins: ['react', 'react-hooks', '@typescript-eslint', 'import', 'prettier'],
  rules: {
    'prettier/prettier': 'error',
    'arrow-body-style': 'off',
    'prefer-arrow-callback': 'off',
    // turn on errors for missing imports
    'import/no-unresolved': 'error',
    'import/order': [
      'error',
      {
        groups: ['builtin', 'external', 'parent', 'sibling', 'index'],
        alphabetize: {
          order: 'asc',
        },
      },
    ],
    'import/no-namespace': 'error',
    'import/namespace': 'off',
    'object-curly-spacing': ['error', 'never'],
    'no-multiple-empty-lines': ['error', {max: 2, maxEOF: 0}],
    'no-unused-vars': 'off',
    '@typescript-eslint/no-unused-vars': ['error'],
    'react/jsx-uses-react': 'off',
    'react/react-in-jsx-scope': 'off',
  },
  overrides: [
    {
      files: ['*.ts', '*.tsx'],
      rules: {
        '@typescript-eslint/no-shadow': ['error'],
        'no-shadow': 'off',
        'no-undef': 'off',
      },
    },
  ],
  settings: {
    react: {
      version: 'detect',
    },
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts', '.tsx'],
    },
    'import/resolver': {
      typescript: {
        alwaysTryTypes: true, // always try to resolve types under `<root>@types` directory even it doesn't contain any source code, like `@types/unist`
        project: ['tsconfig.json', 'website/tsconfig.json'],
      },
    },
    'import/extensions': ['.ts', '.tsx', '.js', '.jsx', '.json'],
  },
};