.eslintrc.js

module.exports = {
  extends: [
    'eslint:recommended',
    'airbnb',
    'plugin:react/recommended',
    'plugin:@typescript-eslint/recommended',
    'prettier/@typescript-eslint',
    'plugin:prettier/recommended',
  ],
  plugins: ['react', '@typescript-eslint', 'prettier'],
  env: {
    browser: true,
    jasmine: true,
    jest: true,
  },
  rules: {
    'prettier/prettier': ['error', { singleQuote: true, trailingComma: 'es5' }],
    'no-unused-vars': 'off',
    '@typescript-eslint/no-unused-vars': 'error',
    'no-useless-constructor': 'off',
    '@typescript-eslint/no-useless-constructor': 'error',
    'import/extensions': 'off',
    'react/jsx-filename-extension': [
      1,
      { extensions: ['.js', '.jsx', '.ts', '.tsx'] },
    ],
    'comma-dangle': [
      'error',
      {
        arrays: 'always-multiline',
        objects: 'always-multiline',
        imports: 'always-multiline',
        exports: 'always-multiline',
        functions: 'never',
      },
    ],
    'react/prop-types': [0],
  },
  settings: {
    react: {
      pragma: 'React',
      version: 'detect',
    },
    'import/extensions': ['.js', '.jsx', '.ts', '.tsx'],
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts', '.tsx'],
    },
    'import/resolver': {
      node: {
        extensions: ['.js', '.jsx', '.ts', '.tsx'],
      },
    },
  },
  parser: '@typescript-eslint/parser',
};