Using moment library and for loop you can enumerate between two dates.
let startDate = moment('2020-06-21');
let endDate = moment('2020-07-15');
let date = [];
for (var m = moment(startDate); m.isBefore(endDate); m.add(1, 'days')) {
date.push(m.format('YYYY-MM-DD'));
}
console.log(date)