in public/lib/date-service.js [217:225]
parseQueryString(date) {
if (!date) return undefined;
if (date === 'today' || date === 'tomorrow' || date === 'weekend') {
return date;
}
else if (moment(date, ["YYYY-MM-DD"]).isValid()) {
return moment(date, ["YYYY-MM-DD"]);
}
}