Method _setSelectedMonth

src/material/datepicker/year-view.ts:435–443

Sets the currently-selected month based on a model value.

(value: DateRange<D> | D | null)

  /** Sets the currently-selected month based on a model value. */
  private _setSelectedMonth(value: DateRange<D> | D | null) {
    if (value instanceof DateRange) {
      this._selectedMonth.set(
        this._getMonthInCurrentYear(value.start) || this._getMonthInCurrentYear(value.end),
      );
    } else {
      this._selectedMonth.set(this._getMonthInCurrentYear(value));
    }
  }
}