.eslintrc.js

module.exports = {
  root: true,
  env: {
    node: true,
  },
  extends: [
    'plugin:vue/essential',
    '@vue/airbnb',
  ],
  rules: {
    'arrow-parens': ['error', 'as-needed', { requireForBlockBody: true }],
    'max-classes-per-file': 'off',
    'no-console': 'error',
    'no-debugger': 'error',
    'no-mixed-operators': 'off',
    'no-plusplus': ['error', { allowForLoopAfterthoughts: true }],
    /*
     * We haven't incorporated `@babel/plugin-transform-exponentiation-operator`,
     * so we remove `Math.pow` from the list of restricted properties here.
     */
    'no-restricted-properties': [
      'error',
      {
        object: 'arguments',
        property: 'callee',
        message: 'arguments.callee is deprecated',
      },
      {
        object: 'global',
        property: 'isFinite',
        message: 'Please use Number.isFinite instead',
      },
      {
        object: 'self',
        property: 'isFinite',
        message: 'Please use Number.isFinite instead',
      },
      {
        object: 'window',
        property: 'isFinite',
        message: 'Please use Number.isFinite instead',
      },
      {
        object: 'global',
        property: 'isNaN',
        message: 'Please use Number.isNaN instead',
      },
      {
        object: 'self',
        property: 'isNaN',
        message: 'Please use Number.isNaN instead',
      },
      {
        object: 'window',
        property: 'isNaN',
        message: 'Please use Number.isNaN instead',
      },
      {
        property: '__defineGetter__',
        message: 'Please use Object.defineProperty instead.',
      },
      {
        property: '__defineSetter__',
        message: 'Please use Object.defineProperty instead.',
      },
    ],
    'vue/no-mutating-props': 'off',
    'vue/valid-v-slot': 'off',
  },
  parserOptions: {
    parser: 'babel-eslint',
  },
  settings: {
    'import/resolver': {
      alias: [
        ['@', __dirname],
      ],
    },
  },
};