google map typeControl

maps.component.ts

let mapOptions = {
      center : new google.maps.LatLng(this.device.lat, this.device.lng),
      zoom : this.mapDefaultsZoom,
      // maxZoom: 15,
      mapTypeId: google.maps.MapTypeId.HYBRID,
      mapTypeControl: true,
      mapTypeControlOptions:
      {
        style: google.maps.MapTypeControlStyle.DROPDOWN_MENU, // Possible Values: DEFAULT, DROPDOWN_MENU and HORIZONTAL_BAR
      },
      streetViewControl: false,
      scrollwheel: true,
  };