Get rid of unused ErrorService

src/app/app.component.ts

@@ -9,7 +9,6 @@ import { Observer, jalhydDateRev, jalhydVersion, CalculatorType, Session } from
 
 import { environment } from "../environments/environment";
 import { I18nService } from "./services/internationalisation.service";
-import { ErrorService } from "./services/error.service";
 import { FormulaireService } from "./services/formulaire.service";
 import { FormulaireDefinition } from "./formulaire/definition/form-definition";
 import { ServiceFactory } from "./services/service-factory";
@@ -46,8 +45,7 @@ declare let device: any;
 @Component({
     selector: "nghyd-app",
     templateUrl: "./app.component.html",
-    styleUrls: ["./app.component.scss"],
-    providers: [ErrorService]
+    styleUrls: ["./app.component.scss"]
 })
 export class AppComponent implements OnInit, OnDestroy, Observer {
 
@@ -84,7 +82,6 @@ export class AppComponent implements OnInit, OnDestroy, Observer {
     constructor(
         private intlService: I18nService,
         private appSetupService: ApplicationSetupService,
-        private errorService: ErrorService,
         private router: Router,
         private formulaireService: FormulaireService,
         private httpService: HttpService,
@@ -277,12 +274,10 @@ export class AppComponent implements OnInit, OnDestroy, Observer {
      */
     ngOnInit() {
         this.formulaireService.addObserver(this);
-        this.subscribeErrorService();
         this._innerWidth = window.innerWidth;
     }
 
     ngOnDestroy() {
-        this.unsubscribeErrorService();
         this.formulaireService.removeObserver(this);
     }
 
@@ -409,17 +404,6 @@ export class AppComponent implements OnInit, OnDestroy, Observer {
         return fits;
     }
 
-    /**
-     * abonnement au service d'erreurs
-     */
-    private subscribeErrorService() {
-        this.errorService.addObserver(this);
-    }
-
-    private unsubscribeErrorService() {
-        this.errorService.removeObserver(this);
-    }
-
     public get enableHeaderDoc(): boolean {
         return this.currentRoute === "/list" && this._calculators.length === 0;
     }

src/app/services/error.service.ts

-import { Injectable } from "@angular/core";
-
-import { Observable } from "jalhyd";
-
-@Injectable()
-export class ErrorService extends Observable {
-    // TODO: add explicit constructor
-
-    doAlert(m: string) {
-        this.notifyObservers(m);
-    }
-}