SUPPORT-9430: fixes

frontend/src/ts/mfe-app-tools.ts

@@ -1,6 +1,5 @@
-import {platformBrowserDynamic} from "@angular/platform-browser-dynamic";
 import {MfeConfigurationProvider} from "./modules/mfe/provider/mfe-configuration.provider";
-import {NgModuleRef} from "@angular/core";
+import {NgModuleRef, PlatformRef} from "@angular/core";
 
 let childEventHandlerFromContainer = null;
 
@@ -25,6 +24,8 @@ export function fireMfeEventToContainer(eventType: ChildEventType, eventData: an
 }
 
 export function bootstrapMfeApp(createApp: () => Promise<NgModuleRef<unknown> | void>) {
+  let platformRef: PlatformRef = null;
+
   function mount(
       element: HTMLElement,
       settings: {
@@ -44,17 +45,23 @@ export function bootstrapMfeApp(createApp: () => Promise<NgModuleRef<unknown> |
     let startUrl = settings.startUrl || ''; // ресурс хост-приложения
     MfeConfigurationProvider.setPageBaseUrl(joinPath(containerBaseUrl, startUrl));
 
-    element.appendChild(createContainerForBootstrap())
-
+    element.appendChild(createContainerForBootstrap());
     childEventHandlerFromContainer = settings.childEventHandler;
 
-    createApp();
+    createApp().then(ref => {
+      if (ref) {
+        platformRef = ref.injector.get(PlatformRef);
+      }
+    });
+
     return {
       parentEventHandler(eventType: ParentEventType, url: string) {
       },
       unmount() {
-        console.log("Unmounting account-applications application");
-        platformBrowserDynamic().destroy();
+        if (platformRef) {
+          platformRef.destroy();
+          platformRef = null;
+        }
       },
     }
   }

frontend/src/ts/modules/mfe/component/mfe-webbpm.component.ts

@@ -1,4 +1,4 @@
-import {Component, ViewEncapsulation} from "@angular/core";
+import {Component, OnDestroy, ViewEncapsulation} from "@angular/core";
 import {
   Event,
   NavigationCancel,
@@ -8,6 +8,7 @@ import {
   Router
 } from "@angular/router";
 import {ProgressIndicationService} from "@webbpm/base-package";
+import {Subscription} from "rxjs";
 
 
 @Component({
@@ -17,21 +18,32 @@ import {ProgressIndicationService} from "@webbpm/base-package";
              templateUrl: './../../../../../src/resources/template/webbpm/mfe-webbpm.html',
              styleUrls: ['./../../../../../src/resources/css/style.css'],
            })
-export class MfeWebbpmComponent {
+export class MfeWebbpmComponent implements OnDestroy{
   public headerVisible: boolean = true;
   public footerVisible: boolean = true;
+  private subscription: Subscription;
 
   constructor(private router: Router,
               private progressIndicationService: ProgressIndicationService) {
-    router.events.subscribe((event: Event) => {
-      if (event instanceof NavigationStart) {
-        progressIndicationService.showProgressBar();
-      }
-      else if (event instanceof NavigationEnd
-               || event instanceof NavigationError
-               || event instanceof NavigationCancel) {
-        progressIndicationService.hideProgressBar();
-      }
+   this.subscription = router.events.subscribe((event: Event) => {
+     this.handleRouterEvent(event);
     })
   }
+
+  private handleRouterEvent(event: Event): void {
+    if (event instanceof NavigationStart) {
+      this.progressIndicationService.showProgressBar();
+    }
+    else if (
+        event instanceof NavigationEnd
+        || event instanceof NavigationError
+        || event instanceof NavigationCancel
+    ) {
+      this.progressIndicationService.hideProgressBar();
+    }
+  }
+
+  ngOnDestroy() {
+    this.subscription.unsubscribe();
+  }
 }

frontend/src/ts/modules/mfe/location/mfe-scoped-location-strategy.service.ts

@@ -0,0 +1,23 @@
+import {PathLocationStrategy} from "@angular/common";
+import {Injectable, OnDestroy} from "@angular/core";
+
+@Injectable()
+export class MfeScopedLocationStrategy extends PathLocationStrategy implements OnDestroy {
+  private isDestroyed: boolean = false;
+
+  replaceState(state: any, title: string, url: string, queryParams: string) {
+    if (!this.isDestroyed) {
+      super.replaceState(state, title, url, queryParams);
+    }
+  }
+
+  pushState(state: any, title: string, url: string, queryParams: string) {
+    if (!this.isDestroyed) {
+      super.pushState(state, title, url, queryParams);
+    }
+  }
+
+  ngOnDestroy(): void {
+    this.isDestroyed = true;
+  }
+}