Cesium Geocoder with load

CesiumJS
2 
  useEffect(() => {
    if (cesiumViewer.current && selectedCountry) {
      var geocoderService = new CesiumJs.IonGeocoderService({
        scene: cesiumViewer.current.scene,
      });
      geocoderService.geocode(selectedCountry.split("-")[0]).then(function (result) {
        if (CesiumJs.defined(result) && CesiumJs.defined(result[0])) {
          if (cesiumViewer.current && selectedCountry) {
            console.log(result[0].destination);

            cesiumViewer.current.camera.flyTo({
              destination: result[0].destination,
            });
          }
        }
      });
    }
  }, [selectedCountry]);

You can see this solution