.eslintrc.json

{
    "env": {
        "node": true,
        "es6": true
    },
    "extends": "airbnb-base",
    "rules": {
        "no-console": [
            "error"
        ],
        "max-len": [
            "error",
            120
        ],
        "eqeqeq": [
            "error",
            "smart"
        ],
        "prefer-arrow-callback": [
            "error",
            {
                "allowNamedFunctions": true
            }
        ],
        "space-before-function-paren": [
            "error",
            "never"
        ],
        "quote-props": [
            "error",
            "consistent-as-needed"
        ]
    }
}

package.json

 "devDependencies": {
    "eslint": "^3.6.1",
    "eslint-config-airbnb-base": "^8.0.0",
    "eslint-plugin-import": "^1.16.0"
  }