Geocode API Google Maps

Ionic Framework ionic-v3
1

Problem of recovery of coordinates with the geocoder

 displayLocation=(latitude,longitude)=>{
    
    this.geocoder = new google.maps.Geocoder;
    var latlng = new google.maps.LatLng(latitude, longitude);
    let add;
  this.geocoder.geocode(
        {'latLng': latlng}, 
         (results, status) => {
            if (status == google.maps.GeocoderStatus.OK) {
                if (results[0]) {
                     add = results[0].formatted_address ;
                    let  value = add.split(",");

             
                 this.yourlocate = add;
                  
              
                    
                }
                else  {
                 return this.yourlocate = "address not found";
                }
            }
            else {
              return this.yourlocate = "Geocoder failed due to: " + status;
            }

           
        }
        
    );
    
  
     
    
}

this.yourlocate is empty why please Help me to return this value

2

Instantiation may be-

this.geocoder = new google.maps.Geocoder();