nomadmania-app/Route.tsx

import React, { useEffect } from 'react';
import { useFonts } from 'expo-font';
import * as SplashScreen from 'expo-splash-screen';

import { createStackNavigator } from '@react-navigation/stack';
import { createBottomTabNavigator } from '@react-navigation/bottom-tabs';

import WelcomeScreen from './src/screens/WelcomeScreen';
import LoginScreen from './src/screens/LoginScreen';
import RegisterScreen from './src/screens/RegisterScreen';

import { NAVIGATION_PAGES } from './src/types';

const ScreenStack = createStackNavigator();
const BottomTab = createBottomTabNavigator();

SplashScreen.preventAutoHideAsync();

const Route = () => {
  const [fontsLoaded] = useFonts({
    'redhat-900': require('./assets/fonts/RedHatDisplay-Black-900.ttf'),
    'redhat-700': require('./assets/fonts/RedHatDisplay-Bold-700.ttf')
  });

  useEffect(() => {
    const hideSplashScreen = async () => {
      if (fontsLoaded) {
        await SplashScreen.hideAsync();
      }
    };

    hideSplashScreen();
  }, [fontsLoaded]);

  if (!fontsLoaded) {
    return null;
  }

  return (
    <ScreenStack.Navigator
      screenOptions={{ headerShown: false }}
      initialRouteName={NAVIGATION_PAGES.WELCOME}
    >
      <ScreenStack.Screen name={NAVIGATION_PAGES.WELCOME} component={WelcomeScreen} />
      <ScreenStack.Screen name={NAVIGATION_PAGES.LOGIN} component={LoginScreen} />
      <ScreenStack.Screen name={NAVIGATION_PAGES.REGISTER} component={RegisterScreen} />
      <ScreenStack.Screen name={NAVIGATION_PAGES.IN_APP}>
        {() => (
          <BottomTab.Navigator
            screenOptions={() => ({
              headerShown: false
            })}
          >
            <BottomTab.Screen name={NAVIGATION_PAGES.LOCATION_TAB} component={WelcomeScreen} />
            <BottomTab.Screen name={NAVIGATION_PAGES.TRAVELS_TAB} component={WelcomeScreen} />
            <BottomTab.Screen name={NAVIGATION_PAGES.PROFILE_TAB} component={WelcomeScreen} />
          </BottomTab.Navigator>
        )}
      </ScreenStack.Screen>
    </ScreenStack.Navigator>
  );
};

export default Route;