chore(app-host-view): remove unnecessary extractContentFromHost method

Author: ADjenkov

nativescript-angular/app-host-view.ts

@@ -26,7 +26,10 @@ export class AppHostView extends ContentView {
         }
 
         this._content = value;
-        this._content.parentNode = this;
+
+        if (value) {
+            this._content.parentNode = this;
+        }
 
         this.ngAppRoot = value;
 

nativescript-angular/platform-common.ts

@@ -172,7 +172,7 @@ export class NativeScriptPlatformRef extends PlatformRef {
                         bootstrapLog(`Angular bootstrap bootstrap done. uptime: ${uptime()}`);
 
                         if (!autoCreateFrame) {
-                            rootContent = this.extractContentFromHost(tempAppHostView);
+                            rootContent = tempAppHostView.content;
                         }
 
                         lastBootstrappedModule = new WeakRef(moduleRef);
@@ -233,7 +233,7 @@ export class NativeScriptPlatformRef extends PlatformRef {
                 onAfterLivesync.next({ moduleRef });
 
                 if (!autoCreateFrame) {
-                    rootContent = this.extractContentFromHost(tempAppHostView);
+                    rootContent = tempAppHostView.content;
                 }
 
                 lastBootstrappedModule = new WeakRef(moduleRef);
@@ -282,12 +282,4 @@ export class NativeScriptPlatformRef extends PlatformRef {
         frame.navigate({ create: () => { return page; } });
         return { page, frame };
     }
-
-    private extractContentFromHost(tempAppHostView: AppHostView) {
-        const result = tempAppHostView.content;
-        tempAppHostView.content = null;
-        tempAppHostView.ngAppRoot = result;
-        result.parentNode = tempAppHostView;
-        return result;
-    }
 }