twa add

.next/app-build-manifest.json

@@ -1,16 +1,16 @@
 {
   "pages": {
-    "/page": [
-      "static/chunks/webpack.js",
-      "static/chunks/main-app.js",
-      "static/chunks/app/page.js"
-    ],
     "/layout": [
       "static/chunks/webpack.js",
       "static/chunks/main-app.js",
       "static/css/app/layout.css",
       "static/chunks/app/layout.js"
     ],
+    "/page": [
+      "static/chunks/webpack.js",
+      "static/chunks/main-app.js",
+      "static/chunks/app/page.js"
+    ],
     "/not-found": [
       "static/chunks/webpack.js",
       "static/chunks/main-app.js",

app/components/ClientOnly.tsx

@@ -0,0 +1,17 @@
+'use client';
+
+import { useEffect, useState } from 'react';
+
+export default function ClientOnly({ children }: { children: React.ReactNode }) {
+  const [hasMounted, setHasMounted] = useState(false);
+
+  useEffect(() => {
+    setHasMounted(true);
+  }, []);
+
+  if (!hasMounted) {
+    return null;
+  }
+
+  return <>{children}</>;
+} 

app/components/MainApp.tsx

@@ -9,6 +9,7 @@ import { auth, getProfile, getShopItems, purchaseItem, transferBalance } from '.
 import { IUser } from '../../backend/models/User';
 import { IShopItem } from '../../backend/models/ShopItem';
 import { isDemoMode, getDemoWebApp } from '../utils/demo';
+import WebApp from '@twa-dev/sdk';
 
 type SafeUser = Omit<IUser, keyof Document>;
 
@@ -25,9 +26,10 @@ export default function MainApp() {
       let webApp;
       if (isDemoMode()) {
         webApp = getDemoWebApp();
-      } else {
-        const WebApp = (await import('@twa-dev/sdk')).default;
+      } else if (typeof window !== 'undefined') {
         webApp = WebApp;
+      } else {
+        throw new Error('Приложение должно быть открыто в браузере');
       }
 
       // Авторизация пользователя

app/page.tsx

@@ -1,5 +1,14 @@
-import MainApp from './components/MainApp';
+import dynamic from 'next/dynamic';
+import ClientOnly from './components/ClientOnly';
+
+const MainApp = dynamic(() => import('./components/MainApp'), {
+  ssr: false,
+});
 
 export default function Home() {
-  return <MainApp />;
+  return (
+    <ClientOnly>
+      <MainApp />
+    </ClientOnly>
+  );
 }