问题 I'm using the MatDatepicker from @angular/material ^7.0.0-rc.0, and I made a little complex filter that compares every visible day in the timepicker with every day of an array with about 200 or 300 values. It breaks the aplication every time I switch the datepicker to multi-year view mode. I just want to disable or disallow the multi-year view mode, and let only month mode and year mode working. HTML: <mat-form-field (click)="picker.open()" class="date-field"> <span>{{(dataFields['mosaic_'