.eslintrc.json

{
    "env": {
        "browser": true,
        "es6": true,
        "node": true
    },
    "extends": "eslint:recommended",
    "parserOptions": {
        "ecmaVersion": 2016
    },
    "rules": {
        "indent": [
            "error",
            2
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "always"
        ],
        "arrow-parens": [
            "error",
            "as-needed"
        ],
        "arrow-spacing": [
            "error",
            {
                "before": true,
                "after": true
            }
        ],
        "prefer-arrow-callback": "error",
        "prefer-const": "error",
        "no-console": [
            "error",
            {
                "allow": ["error", "info"]
            }
        ]
    }
}