eslintrc.js

// http://eslint.org/docs/user-guide/configuring
const warnInDevelopment = process.env.NODE_ENV === 'production' ? 'error' : 'warn'

module.exports = {
  root: true,
  parserOptions: {
    parser: 'babel-eslint',
    sourceType: 'module'
  },
  env: {
    browser: true
  },
  // https://github.com/feross/standard/blob/master/RULES.md#javascript-standard-style
  extends: [
    'standard',
    'plugin:vue/recommended'
  ],
  // required to lint *.vue files
  plugins: [
    'html',
    'transform-runtime'
  ],
  // add your custom rules here
  'rules': {
    // allow paren-less arrow functions
    'arrow-parens': 0,
    // allow async-await
    'generator-star-spacing': 0,
    // allow debugger during development
    'no-debugger': warnInDevelopment,
    // allow console logging during development
    'no-console': warnInDevelopment
  }
}