.eslintrc.js

module.exports = {
  extends: ['eslint:recommended', 'plugin:prettier/recommended'],
  env: {
    browser: true,
    node: true,
    es6: true,
  },
  parserOptions: {
    sourceType: 'module',
    ecmaVersion: 11,
  },
  plugins: ['prettier'],
  rules: {
    // 'no-undef':1,
    quotes: ['error', 'single', { avoidEscape: true }],
    'quote-props': [
      'error',
      'as-needed',
      { keywords: true, unnecessary: false },
    ],
    'prettier/prettier': [
      'error',
      {
        singleQuote: true,
        trailingComma: 'es5',
        arrowParens: 'always',
        printWidth: 80,
        spaceBeforeFunctionParen: false,
      },
    ],
  },
};