.eslintrc.js

module.exports = {
    root: true,
    parser: 'babel-eslint',
    parserOptions: {
        sourceType: 'module',
    },
    env: {
        browser: true,
        "commonjs": true,
        "es6": true
    },
    "globals": {
        "$": false,
        "__dirname": false
    },
    extends: 'eslint:recommended',
    // required to lint *.vue files
    plugins: [
        'html'
    ],
    // 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': process.env.NODE_ENV === 'production' ? 2 : 0,
        'no-console': 1,
        "indent": [
            "error",
            4
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "semi": [
            "error",
            "never"
        ],
        "no-unused-vars": [
            "error",
            {
                "vars": "all",
                "args": "none",
                "ignoreRestSiblings": false
            }
        ]
    }
}