[Ionic4 React] How to IonRouterOutlet right way

tutorials
1

Inside each component must contains IonPage to wrap all child component inside.
Example:

const HomePage: React.FC = () => {
return (
<IonPage>
<IonHeader />
<IconContent>
This is home page
</IconContent>
</IonPage>
)
}

const AboutPage: React.FC = () =>{
return (
<IonPage>
<IonHeader />
<IconContent>
This is about page
</IconContent>
</IonPage>
)
}

const App: React.FC = () => {
<IonApp>
      <IonReactRouter>
        <IonRouterOutlet>
          <Route path="/about" component={AboutPage} exact/>
          <Route path="/home" component={HomePage} exact/>
        </IonRouterOutlet>
      </IonReactRouter>
    </IonApp>
}