.eslintrc.json

{
    "env": {
        "browser": true,
        "commonjs": true,
        "es2021": true
    },
    "extends": "eslint:recommended",
    "overrides": [],
    "parserOptions": {
        "ecmaVersion": "latest"
    },
    "rules": {
        "indent": [
            "error",
            "tab"
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "never"
        ],
        "no-undef": "off",
        "no-else-return": [
            "warn"
        ],
        "no-empty-function": [
            "error",
            {"allow": ["arrowFunctions"]}
        ],
        "no-implicit-coercion": [
            "warn"
        ],
        "no-useless-return": [
            "warn"
        ],
        "no-undef-init": [
            "warn"
        ]
    }
}