Expose hasLaunched() on the application, style-scope will load css-es if app hasLaunched

tns-core-modules/application/application-common.ts

@@ -4,8 +4,16 @@ require("globals");
 import { Observable, EventData } from "data/observable";
 
 const events = new Observable();
-// First merge all functions from events into application-common so that later appModule.on will be defined.
-global.moduleMerge(events, exports);
+let launched = false;
+function setLaunched() {
+    launched = true;
+    events.off("launch", setLaunched);
+}
+events.on("launch", setLaunched);
+
+export function hasLaunched(): boolean {
+    return launched;
+}
 
 export { Observable };
 
@@ -34,9 +42,9 @@ export function setResources(res: any) {
 export let android = undefined;
 export let ios = undefined;
 
-export function notify(args: EventData): void {
-    events.notify(args);
-}
+export const on: typeof events.on = events.on.bind(events);
+export const off: typeof events.off = events.off.bind(events);
+export const notify: typeof events.notify = events.notify.bind(events);
 
 let app: iOSApplication | AndroidApplication;
 export function setApplication(instance: iOSApplication | AndroidApplication): void {