Arrow Function

Checks for use of curlies, nested (non-arrow) functions or returns in arrow functions. (available since 2.6.0)

Configuration

{
    "type": "ArrowFunction",
    "props": {
        "severity": "INFO",
        "allowCurlyBody": false,
        "allowFunction": false,
        "allowReturn": false,
        "allowSingleArgParens": false
    }
}

allowCurlyBody - allow using curly block as arrow function body ({...})

allowFunction - allow using function inside arrow function bodies

allowReturn - allow using return inside arrow function bodies

allowSingleArgParens - allow using parenthesis around single argument arrow function ((arg) -> arg * 2)