Displaying meaningless dates after parsing in YYYY-MM-DD format about jalali-moment HOT 5 CLOSED

moment('miladi date')
moment('shamsi date', 'jYYYY/jMM/jDD')

moment.locale('fa');
moment('shamsi date');

    this.testForm = this.formBuilder.group({
      date: [moment().format('YYYY-MM-DD')],
    });

const d1: string = moment('1396-12-12', 'jYYYY-jMM-jDD').format('YYYY-MM-DD');
const d2: string = '2018-03-03';
this.testForm = this.formBuilder.group({
  date: [d1],
  date2: [d2]
});