.eslintrc.json

{
    "extends": "eslint:recommended",
    "parserOptions": {
        "ecmaVersion": 5,
        "sourceType": "script"
    },
    "rules": {
        "no-bitwise": "off",
        "curly": "error",
        "eqeqeq": "error",
        "guard-for-in": "error",
        "no-undef": "error",
        "no-use-before-define": "error",
        "no-caller": "error",
        "new-cap": "off",
        "no-new-object": "error",
        "strict": "off",
        "no-unused-vars": "error",
        "quotes": [
            "error",
            "single"
        ],
        "one-var": [
            "error",
            {
                "var": "always",
                "let": "never",
                "const": "never"
            }
        ],
        "vars-on-top": "error",
        "semi": [
            "error",
            "always"
        ],
        "radix": [
            "error",
            "always"
        ]
    }
}