Date selection should start from the current date

问题

Can you tell me how to start the date from the current date when the user tries to select the date from picker? I don't need to set the default date. Because this field is not a mandatory field. So can you tell me how to do that?

Here you can see the stackblitz project. Please see the home folder.

.ts

 minDate = moment().format('YYYY');
 maxDate = moment().add(3, 'y').format('YYYY');
 completionDate: string;

.html

 <ion-item>
        <ion-label fixed>Completion Date</ion-label>
        <ion-datetime displayFormat="D MMM, YYYY" [min]="minDate" 
                  [max]="maxDate" [(ngModel)]="completionDate"></ion-datetime>
    </ion-item>

UI

来源：https://stackoverflow.com/questions/46302766/date-selection-should-start-from-the-current-date