.eslintrc.js

module.exports = {
  root: true,
  env: {
    node: true
  },
  'extends': [
    'plugin:vue/essential',
    '@vue/standard'
  ],
  'rules': {
    // indent
    'indent': ['error', 2, { 'SwitchCase': 1 }],
    'vue/script-indent': ['error', 2, {
      'baseIndent': 1,
      'switchCase': 1
    }],
    'no-useless-escape': 0,
    // allow paren-less arrow functions
    'arrow-parens': 0,
    // allow async-await
    'generator-star-spacing': 0,
    // allow hasOwnProperty
    'no-prototype-builtins': 0,
    // allow debugger during development
    'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,
    'no-console': process.env.NODE_ENV === 'production' ? ['error', { "allow": ["error"] }] : 'off',
  },
  overrides: [
    {
      files: ['*.vue'],
      rules: {
        'indent': 'off',
        'vue/script-indent': ['error', 2, {
          'baseIndent': 1,
          'switchCase': 1
        }]
      }
    }
  ],
  parserOptions: {
    parser: 'babel-eslint'
  }
}