.eslintrc.json

{
    "env": {
        "browser": true,
        "commonjs": true,
        "es2021": true
    },
    "extends": "eslint:recommended",
    "parserOptions": {
        "ecmaVersion": 12
    },
    "rules": {
        "indent": [
            "error",
            4,
            {"SwitchCase" : 1}
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "never"
        ],
        "default-case": "error",
        "default-case-last": "error",
        "lines-around-comment": [
            "error",
            {
                "beforeBlockComment": true,
                "beforeLineComment": true,
                "allowBlockStart": true,
                "allowObjectStart": true,
                "allowArrayStart": true
            }
        ]
    }
}