.eslintrc.json

{
    "extends": ["eslint:recommended", "plugin:node/recommended"],
    "plugins": ["prettier", "jest"],
    "parserOptions": {
        "ecmaVersion": 2021
    },
    "env": {
        "jest/globals": true
    },
    "rules": {
        "jest/no-disabled-tests": "warn",
        "jest/no-focused-tests": "error",
        "jest/no-identical-title": "error",
        "jest/prefer-to-have-length": "warn",
        "jest/valid-expect": "error",
        "no-fallthrough": "warn",
        "no-process-exit": "off",
        "no-console": "warn",
        "no-unused-vars": "warn",
        "node/no-unpublished-require": "off",
        "no-useless-escape": "warn",
        "no-empty": "off",
        "no-unused-labels": "off",
        "no-undef": "error",
        "prettier/prettier": [
            "error",
            {
                "arrowParens": "always",
                "bracketSpacing": true,
                "printWidth": 120,
                "semi": true,
                "singleQuote": false,
                "tabWidth": 4,
                "trailingComma": "none"
            }
        ]
    }
}