add components

Безопасная работа с Telegram Web App SDK
Улучшенная обработка ошибок
Плавная загрузка с индикаторами
Корректная работа в демо-режиме

app/components/ClientOnly.tsx

@@ -1,6 +1,7 @@
 'use client';
 
 import { useEffect, useState } from 'react';
+import { Center, Spinner } from '@chakra-ui/react';
 
 export default function ClientOnly({ children }: { children: React.ReactNode }) {
   const [hasMounted, setHasMounted] = useState(false);
@@ -10,7 +11,11 @@ export default function ClientOnly({ children }: { children: React.ReactNode })
   }, []);
 
   if (!hasMounted) {
-    return null;
+    return (
+      <Center h="100vh">
+        <Spinner size="xl" />
+      </Center>
+    );
   }
 
   return <>{children}</>;

app/components/MainApp.tsx

@@ -8,8 +8,7 @@ import TransferBalance from './TransferBalance';
 import { auth, getProfile, getShopItems, purchaseItem, transferBalance } from '../utils/api';
 import { IUser } from '../../backend/models/User';
 import { IShopItem } from '../../backend/models/ShopItem';
-import { isDemoMode, getDemoWebApp } from '../utils/demo';
-import WebApp from '@twa-dev/sdk';
+import { useTelegramWebApp } from '../hooks/useTelegramWebApp';
 
 type SafeUser = Omit<IUser, keyof Document>;
 
@@ -18,18 +17,20 @@ export default function MainApp() {
   const [user, setUser] = useState<SafeUser | null>(null);
   const [shopItems, setShopItems] = useState<IShopItem[]>([]);
   const toast = useToast();
+  const { webApp, error: webAppError } = useTelegramWebApp();
+
+  useEffect(() => {
+    if (webApp) {
+      initApp();
+    }
+  }, [webApp]);
 
   const initApp = async () => {
     try {
       setIsLoading(true);
-      
-      let webApp;
-      if (isDemoMode()) {
-        webApp = getDemoWebApp();
-      } else if (typeof window !== 'undefined') {
-        webApp = WebApp;
-      } else {
-        throw new Error('Приложение должно быть открыто в браузере');
+
+      if (!webApp) {
+        throw new Error('Telegram Web App не инициализирован');
       }
 
       // Авторизация пользователя
@@ -58,11 +59,17 @@ export default function MainApp() {
     }
   };
 
-  useEffect(() => {
-    initApp();
-  }, []);
+  if (webAppError) {
+    return (
+      <Center h="100vh">
+        <Box p={4} textAlign="center" color="red.500">
+          {webAppError}
+        </Box>
+      </Center>
+    );
+  }
 
-  if (isLoading) {
+  if (isLoading || !webApp) {
     return (
       <Center h="100vh">
         <Spinner size="xl" />

app/hooks/useTelegramWebApp.ts

@@ -0,0 +1,29 @@
+'use client';
+
+import { useEffect, useState } from 'react';
+import { isDemoMode, getDemoWebApp } from '../utils/demo';
+
+export function useTelegramWebApp() {
+  const [webApp, setWebApp] = useState<any>(null);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    const initWebApp = async () => {
+      try {
+        if (isDemoMode()) {
+          setWebApp(getDemoWebApp());
+        } else if (typeof window !== 'undefined') {
+          const WebAppModule = await import('@twa-dev/sdk');
+          setWebApp(WebAppModule.default);
+        }
+      } catch (err) {
+        setError('Ошибка инициализации Telegram Web App');
+        console.error('WebApp initialization error:', err);
+      }
+    };
+
+    initWebApp();
+  }, []);
+
+  return { webApp, error };
+} 

app/page.tsx

@@ -1,8 +1,14 @@
 import dynamic from 'next/dynamic';
+import { Center, Spinner } from '@chakra-ui/react';
 import ClientOnly from './components/ClientOnly';
 
 const MainApp = dynamic(() => import('./components/MainApp'), {
   ssr: false,
+  loading: () => (
+    <Center h="100vh">
+      <Spinner size="xl" />
+    </Center>
+  ),
 });
 
 export default function Home() {