fix(router): page navigation bug if there's not outlet for frame after clearing history (#2233)

Author: bellalMohamed

Diff for: nativescript-angular/router/ns-location-strategy.ts

@@ -342,7 +342,7 @@ export class NSLocationStrategy extends LocationStrategy {
 			NativeScriptDebug.routerLog('NSLocationStrategy._beginPageNavigation()');
 		}
 
-		this.currentOutlet = this.getOutletByFrame(frame);
+		this.currentOutlet = this.getOutletByFrame(frame) || this.currentOutlet;
 		const lastState = this.currentOutlet.peekState();
 
 		if (lastState) {

Diff for: nativescript-angular/router/ns-router-link-active.ts

@@ -105,12 +105,12 @@ export class NSRouterLinkActive implements OnChanges, OnDestroy, AfterContentIni
 			const currentUrlTree = this.router.parseUrl(this.router.url);
 			const isActiveLinks = this.reduceList(currentUrlTree, this.links);
 			this.classes.forEach((c) => {
-        if (isActiveLinks) {
-          this.renderer.addClass(this.element.nativeElement, c);
-        } else {
-          this.renderer.removeClass(this.element.nativeElement, c);
-        }
-      });
+				if (isActiveLinks) {
+					this.renderer.addClass(this.element.nativeElement, c);
+				} else {
+					this.renderer.removeClass(this.element.nativeElement, c);
+				}
+			});
 		}
 		Promise.resolve(hasActiveLinks).then((active) => (this.active = active));
 	}

Diff for: nativescript-angular/router/ns-router-link.ts

@@ -52,30 +52,29 @@ export class NSRouterLink {
 
 	private commands: any[] = [];
 
-	constructor(private ngZone: NgZone, private router: Router, private navigator: RouterExtensions, private route: ActivatedRoute, private el: ElementRef) {
-  }
-
-  ngAfterViewInit() {
-    this.el.nativeElement.on('tap', () => {
-      this.ngZone.run(() => {
-        if (NativeScriptDebug.isLogEnabled()) {
-          NativeScriptDebug.routerLog(`nsRouterLink.tapped: ${this.commands} ` + `clear: ${this.clearHistory} ` + `transition: ${JSON.stringify(this.pageTransition)} ` + `duration: ${this.pageTransitionDuration}`);
-        }
-    
-        const extras = this.getExtras();
-        // this.navigator.navigateByUrl(this.urlTree, extras);
-        this.navigator.navigate(this.commands, {
-          ...extras,
-          relativeTo: this.route,
-          queryParams: this.queryParams,
-          fragment: this.fragment,
-          preserveQueryParams: attrBoolValue(this.preserveQueryParams),
-          queryParamsHandling: this.queryParamsHandling,
-          preserveFragment: attrBoolValue(this.preserveFragment),
-        });
-      });
-    });
-  }
+	constructor(private ngZone: NgZone, private router: Router, private navigator: RouterExtensions, private route: ActivatedRoute, private el: ElementRef) {}
+
+	ngAfterViewInit() {
+		this.el.nativeElement.on('tap', () => {
+			this.ngZone.run(() => {
+				if (NativeScriptDebug.isLogEnabled()) {
+					NativeScriptDebug.routerLog(`nsRouterLink.tapped: ${this.commands} ` + `clear: ${this.clearHistory} ` + `transition: ${JSON.stringify(this.pageTransition)} ` + `duration: ${this.pageTransitionDuration}`);
+				}
+
+				const extras = this.getExtras();
+				// this.navigator.navigateByUrl(this.urlTree, extras);
+				this.navigator.navigate(this.commands, {
+					...extras,
+					relativeTo: this.route,
+					queryParams: this.queryParams,
+					fragment: this.fragment,
+					preserveQueryParams: attrBoolValue(this.preserveQueryParams),
+					queryParamsHandling: this.queryParamsHandling,
+					preserveFragment: attrBoolValue(this.preserveFragment),
+				});
+			});
+		});
+	}
 
 	@Input('nsRouterLink')
 	set params(data: any[] | string) {