This.app.getComponent('nav') undefined

@jasonwaters wrote:

export class MyApp {
  root: Type = WelcomePage;
	app:IonicApp;

	constructor(app: IonicApp, events: Events, platform: Platform, authService:AuthService) {
		this.app = app;

		let t = setTimeout(() => {
			let nav = this.app.getComponent('nav');
			console.log(nav);
		}, 100);

This code successfully gets the 'nav' component after a 100 ms delay. But if I remove the timeout, the getComponent call returns undefined. Using a timeout feels hackish, is there a better way to wait until the ion-nav component has been rendered before getting the component?

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