.eslintrc.js

module.exports = {
  root: true,
  parser: 'babel-eslint',
  parserOptions: {
    sourceType: 'module'
  },
  extends: 'airbnb-base',
  // required to lint *.vue files
  plugins: [
    'html'
  ],
  // check if imports actually resolve
  'settings': {
    'import/resolver': {
      'webpack': {
        'config': 'build/webpack.base.conf.js'
      }
    }
  },
  // add your custom rules here
  'rules': {
    'no-param-reassign': 0,
    'no-mixed-operators': 0,
    'no-unused-vars': 1,
    'no-plusplus': 0,
    'no-console': 0,
    'prefer-template': 0,
    'import/no-extraneous-dependencies': 0,
    'import/extensions': 0,
    'class-methods-use-this': 0,
    'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,
    'max-len': ["warn", 140, { "ignoreComments": true }]
  },
  "globals": {
    "describe": true,
    "xdescribe": true,
    "fdescribe": true,
    "beforeEach": true,
    "afterEach": true,
    "spyOn": true,
    "it": true,
    "xit": true,
    "fit": true,
    "expect": true,
    "jest": true,
  }
}