Function stringify

test-app/public/sinon.js:4671–4675

(item)

        var representation = "";
    
        function stringify(item) {
            return typeof item === "string"
                ? "'" + item + "'"
                : valueToString(item);
        }
    
        function mapToString(map) {
            /* eslint-disable-next-line local-rules/no-prototype-methods */