assignMonitorUrlParser(data) {
            Object.entries(data).forEach(([ monitorID, monitor ]) => {
                monitor.getUrl = () => {
                    try {
                        return new URL(monitor.url);
                    } catch (_) {
                        return null;
                    }
                };
            });
            return data;
        }
parse all urls from list.
@param {object} data Monitor data to modify
@returns {object} list