.eslintrc.json

{
    "env": {
        "commonjs": true,
//        "es2021": true,
        "node": true
    },
    "extends": "eslint:recommended",
    "parserOptions": {
        "ecmaVersion": 2017
    },
    "rules": {
        "space-unary-ops": [
            2,
            {
                "words": true,
                "nonwords": true
            }
        ],
        "keyword-spacing": [
            "error",
            {
                "before": true,
                "after": true
            }
        ],
        "comma-spacing": [
            "error",
            {
                "before": false,
                "after": true
            }
        ],
        "space-infix-ops": [
            "error",
            {
                "int32Hint": true
            }
        ],
        "space-in-parens": [
            "error",
            "never"
        ],
        "object-curly-spacing": [
            "error",
            "always"
        ],
        "array-bracket-spacing": [
            "error",
            "never"
        ],
        "no-multiple-empty-lines": [
            "error",
            {
                "max": 1,
                "maxEOF": 0,
                "maxBOF": 0
            }
        ],
        "indent": [
            "error",
            4
        ],
        "linebreak-style": 0,
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "always"
        ]
    }
}