Method ngOnChanges

src/material/datepicker/month-view.ts:240–250

(changes: SimpleChanges<this>)

  }

  ngOnChanges(changes: SimpleChanges<this>) {
    const comparisonChange = changes['comparisonStart'] || changes['comparisonEnd'];

    if (comparisonChange && !comparisonChange.firstChange) {
      this._setRanges(this.selected);
    }

    if (changes['activeDrag'] && !this.activeDrag) {
      this._clearPreview();
    }
  }

  ngOnDestroy() {
    this._rerenderSubscription.unsubscribe();