Method activeDate

src/material/datepicker/multi-year-view.ts:73–75

()

  /** The date to display in this multi-year view (everything other than the year is ignored). */
  @Input()
  get activeDate(): D {
    return this._activeDate;
  }
  set activeDate(value: D) {
    let oldActiveDate = this._activeDate;
    const validDate =