.eslintrc.json

{
    "env": {
        "commonjs": true,
        "es6": true,
        "node": true,
        "mocha": true
    },
    "extends": "eslint:recommended",
    "globals": {
        "Atomics": "readonly",
        "SharedArrayBuffer": "readonly"
    },
    "parserOptions": {
        "ecmaVersion": 2018
    },
    "rules": {
        "indent": [
            "error",
            "tab"
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "never"
        ],
        "spaced-comment": [
            "error", "always", {
                "line": {
                    "markers": ["/"],
                    "exceptions": ["-", "+"]
                },
                "block": {
                    "markers": ["!"],
                    "exceptions": ["*"],
                    "balanced": true
                }
            }
        ]
    }
}