.eslintrc.js

module.exports = {
  root: true,
  env: {
    node: true,
  },
  extends: [
    'plugin:vue/essential',
    '@vue/airbnb',
  ],
  rules: {
    'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'import/extensions': [
      'error',
      'always',
      {
        js: 'never',
        vue: 'never'
      }
    ],
    'import/prefer-default-export': [
      'never',
      {}
    ],
    'vue/html-quotes': [
      'error',
      'double'
    ],
    'object-curly-newline': [
      'error',
      {
        'consistent': true
      }
    ],
    'no-param-reassign': ['error', {
      props: true,
      ignorePropertyModificationsFor: [
        'state',
      ]
    }],
  },
  parserOptions: {
    parser: 'babel-eslint',
  },
  overrides: [
    {
      files: [
        '**/__tests__/*.{j,t}s?(x)',
        '**/tests/unit/**/*.spec.{j,t}s?(x)',
      ],
      env: {
        jest: true,
      },
    },
  ],
};