The MongoDB date format(ISO_8601) is not handled as a valid date in momentLocalizer
Proposed solution:
function parse(value, format, culture) {
if (!value) return undefined; // localizers should return undefined for empty inputs
var m = getMoment(culture, value, format);
if(m.isValid()){
return m.toDate();
}else{ //is ISO-8601?
m = getMoment(culture, value, moment.ISO_8601);
if(m.isValid) return m.format(format);
}
return null; // localizers should return nul for invalid inputs
}