Ribeiro-Tiago

const prevGetStateForAction = myStack.router.getStateForAction;
myStack.router.getStateForAction = (action , state) => {
    if (state && action.type === "Navigation/NAVIGATE") { 
        // do stuff 
    }
    
    return prevGetStateForAction(action, state);
};

Ribeiro-Tiago

export default createStackNavigator({
    Home,
    Settings,
    Profile
}, {
        transitionConfig: transitioner
    })

Ribeiro-Tiago

const transitioner = (): TransitionConfig => {
    return {
        transitionSpec: {
            duration: 400
        },
        screenInterpolator: (transitionProps: NavigationTransitionProps) => {
            const { position, scene } = transitionProps;
            const index = scene.index;
	}
    }

Ribeiro-Tiago

const stack = createStackNavigator({
    Home,
    Settings,
    Profile
})

Ribeiro-Tiago

interface Props {
    navigation: NavigationScreenProp<any, any>;
}

class Home extends React.Component<Props> {
    render() {
        return (
            <View style={{ flex: 1, justifyContent: "space-around", alignItems: "center" }}>
                <Text style={{ fontSize: 48, fontWeight: "bold" }}>Home Screen</Text>
                <Button title="Profile" onPress={() => this.props.navigation.navigate("Profile")} />