How to use

isDate

function

in

lodash

if (!isDate(new Date(data[x]))) {
 throw new Error(`Invalid date field ${x} when creating certificate`);

if (!isDate(new Date(data[x]))) {
 throw new Error(`Invalid date field ${x} when creating coupon asset`);

if (!isDate(new Date(data[x]))) {
 throw new Error(`Invalid date field ${x} when creating ticket asset`);