resolving null error on payload

Author: Andrew Evans

src/app/weather/location.actions.ts

@@ -17,15 +17,15 @@ export class LocationAction implements Action {
 export class LoadLocations implements Action {
   readonly type = LocationActionTypes.LoadLocations;
 
-  constructor(readonly payload: {locationData: LocationData, error: null}) {
+  constructor(readonly payload: {locationData: LocationData}) {
 
   }
 }
 
 export class LocationsError implements Action {
   readonly type = LocationActionTypes.LocationsError;
 
-  constructor(readonly payload: {locationData: null, error: string}) {
+  constructor(readonly payload: {error: string}) {
 
   }
 }

src/app/weather/weather.component.ts

@@ -180,7 +180,7 @@ export class WeatherComponent implements OnInit {
       }
     }
 
-    this.store.dispatch(new LoadLocations({locationData: this.locationData, error: null}));
+    this.store.dispatch(new LoadLocations({locationData: this.locationData}));
   }
 
   onSelectionChanged(event: MatAutocompleteSelectedEvent) {
@@ -191,7 +191,7 @@ export class WeatherComponent implements OnInit {
         this.locationData.latitude = latitude.toFixed(4).toString();
         this.locationData.longitude = longitude.toFixed(4).toString();
         this.store.dispatch(new LoadWeather({weatherData: null}));
-        this.store.dispatch(new LoadLocations({locationData: this.locationData, error: null}));
+        this.store.dispatch(new LoadLocations({locationData: this.locationData}));
         break;
       }
     }

src/app/weather/weather.effects.ts

@@ -20,7 +20,7 @@ export class WeatherEffects {
         map(weather => {
           return (new LoadWeather({weatherData: weather}));
         }),
-        catchError((errorMessage) => of(new LocationsError({locationData: null, error: errorMessage})))
+        catchError((errorMessage) => of(new LocationsError({error: errorMessage})))
       ))
   );