Refactor resize code

src/main.ts

@@ -55,9 +55,8 @@ function allowsChild(parent, child) {
     }
 }
 
-function sendFrameResizeEventToParent(view: string) {
+(window as any).sendViewChangeToParent = function (view: "timeline" | "start" | "account-setup") {
     window.parent?.postMessage(view);
-}
+};
 
-(window as any).sendFrameResizeEventToParent = sendFrameResizeEventToParent;
 main();

src/ui/views/RootView.ts

@@ -10,15 +10,13 @@ export class RootView extends TemplateView<RootViewModel> {
 
     render(t, vm: RootViewModel) {
         return t.mapView(vm => vm.activeSection, section => {
+            (window as any).sendViewChangeToParent(section);
             switch(section) {
                 case "start":
-                    window.sendFrameResizeEventToParent("start");
                     return new StartView(vm);
                 case "account-setup":
-                    window.sendFrameResizeEventToParent("account-setup");
                     return new AccountSetupView(vm.accountSetupViewModel);
                 case "timeline":
-                    window.sendFrameResizeEventToParent("timeline");
                     return new ChatterboxView(vm.chatterboxViewModel);
             }
             return null;