.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es6: true,
    node: true,
  },
  extends: [
    'plugin:react/recommended',
    'plugin:@typescript-eslint/recommended',
    'eslint:recommended',
    'prettier',
  ],
  overrides: [
    {
      files: ['*.ts', '*.tsx'],
      rules: {
        'no-undef': 'off',
      },
    },
    {
      files: ['*.tsx', '*.jsx'],
      rules: {
        '@typescript-eslint/ban-types': [
          'error',
          {
            extendDefaults: true,
            types: {
              '{}': false,
            },
          },
        ],
      },
    },
  ],
  parserOptions: {
    ecmaVersion: 'latest',
    sourceType: 'module',
  },
  plugins: ['react', '@typescript-eslint', 'prettier'],
  rules: {
    'prettier/prettier': 'error',
    'no-unused-vars': 'off',
    '@typescript-eslint/no-unused-vars': 'error',
  },
  parser: '@typescript-eslint/parser',
  root: true,
  settings: {
    react: {
      version: 'detect',
    },
  },
};