.eslintrc.js

module.exports = {
  root: true,
  env: {
    node: true,
  },
  extends: [
    'plugin:vue/essential',
    '@vue/airbnb',
  ],
  parserOptions: {
    parser: 'babel-eslint',
  },
  plugins: ['import'],
  settings: {
    'import/resolver': {
      alias: {
        map: [
          ['@', './src'], // default @ -> ./src alias in Vue, it
          // exists even if vue.config.js is not present
          /*
          *... add your own webpack aliases if you have them in
          vue.config.js/other webpack config file
          * if you forget to add them, eslint-plugin-import
          will not throw linting error in .vue
          * imports that contain the webpack alias you forgot to add
          */
        ],
        extensions: ['.vue', '.json', '.js'],
      },
    },
  },
  rules: {
    'no-console': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
    'no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
    'import/no-cycle': 'off',
    'arrow-parens': 'off',
    'import/order': 'off',
    'vue/no-unused-components': 'off',
    'no-unused-vars': 'off',
    'import/no-unresolved': 'off',
    'space-before-blocks': 'off',
    'object-curly-newline': 'off',
    'comma-dangle': 'off',
    'semi': 'off',
    'no-multiple-empty-lines': [2, { max: 2 }],
    'import/extensions': ['error', 'always', {
      js: 'never',
      vue: 'never',
    }],
    'import/no-extraneous-dependencies': ['error', {
      optionalDependencies: ['test/unit/index.js'],
    }],
  },
  overrides: [
    {
      files: [
        '**/__tests__/*.{j,t}s?(x)',
        '**/tests/unit/**/*.spec.{j,t}s?(x)',
      ],
      env: {
        jest: true,
      },
    },
  ],
};