.eslintrc.js

module.exports = {
  root: true,
  env: {
    node: true,
    es6: true,
  },
  parserOptions: { ecmaVersion: 8 },
  ignorePatterns: ['node_modules/*', '.next/*', '.out/*', '!.prettierrc.js'],
  extends: [
    'eslint:recommended',
    'next/core-web-vitals',
    'prettier',
    'plugin:prettier/recommended',
  ],
  overrides: [
    {
      files: ['**/*.ts', '**/*.tsx'],
      parser: '@typescript-eslint/parser',
      settings: { react: { version: 'detect' } },
      env: {
        browser: true,
        node: true,
        es6: true,
      },
      extends: [
        'eslint:recommended',
        'plugin:@typescript-eslint/recommended',
        'plugin:react/recommended',
        'plugin:jsx-a11y/recommended',
        'plugin:import/recommended',
        'plugin:import/typescript',
      ],
      rules: {
        'react/prop-types': 'off',
        'react/react-in-jsx-scope': 'off',
        'jsx-a11y/anchor-is-valid': 'off',
        '@typescript-eslint/no-unused-vars': ['error'],
        '@typescript-eslint/explicit-function-return-type': [
          'warn',
          {
            allowExpressions: true,
            allowConciseArrowFunctionExpressionsStartingWithVoid: true,
          },
        ],
        '@typescript-eslint/consistent-type-imports': [
          'error',
          { prefer: 'type-imports', disallowTypeAnnotations: true },
        ],

        'import/order': [
          'error',
          {
            groups: [
              'index',
              'sibling',
              'parent',
              'internal',
              'external',
              'builtin',
              'object',
              'type',
            ],
            'newlines-between': 'always-and-inside-groups',
          },
        ],

        'prettier/prettier': ['error', {}, { usePrettierrc: true }],
      },
    },
  ],
};