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feat(client): dynamic imports for large components and performance metrics #36

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36 changes: 31 additions & 5 deletions client/src/App.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -4,11 +4,16 @@ import { Toaster } from 'react-hot-toast';
import { ErrorBoundary } from './components/ErrorBoundary';
import { DevPerformanceMonitor } from './components/DevPerformanceMonitor';
import { performanceMonitor } from './utils/performance';
import { preloadCriticalComponents } from './components/LazyComponents';
import {
preloadCriticalComponents,
prefetchChunks,
setupViewportPrefetching,
LazyLoginPage,
LazyRegisterPage,
LazyTelegramSettingsPage
} from './components/LazyComponents';
import { useAuthStore } from './store/authStore';
import { useThemeStore } from './store/themeStore';
import LoginPage from './pages/LoginPage';
import RegisterPage from './pages/RegisterPage';
import ChatPage from './pages/ChatPage';
import { VerifyEmailPage } from './pages/VerifyEmailPage';
import { socketService } from './services/socket';
Expand All @@ -21,9 +26,22 @@ function App() {
// Initialize performance monitoring
performanceMonitor.trackInteraction('app_init', 'App');

// Track bundle loading
if ('performance' in window && 'getEntriesByType' in performance) {
const entries = performance.getEntriesByType('resource') as PerformanceResourceTiming[];
entries.forEach(entry => {
if (entry.name.includes('.js') || entry.name.includes('.css')) {
const bundleName = entry.name.split('/').pop() || 'unknown';
performanceMonitor.trackBundleLoad(bundleName, entry.transferSize || 0, entry.duration);
}
});
}

// Preload critical components after initial render
const timer = setTimeout(() => {
preloadCriticalComponents();
prefetchChunks();
setupViewportPrefetching();
}, 1000);

loadUser();
Expand Down Expand Up @@ -70,15 +88,15 @@ function App() {
path="/login"
element={
<ErrorBoundary>
{isAuthenticated ? <Navigate to="/" /> : <LoginPage />}
{isAuthenticated ? <Navigate to="/" /> : <LazyLoginPage />}
</ErrorBoundary>
}
/>
<Route
path="/register"
element={
<ErrorBoundary>
{isAuthenticated ? <Navigate to="/" /> : <RegisterPage />}
{isAuthenticated ? <Navigate to="/" /> : <LazyRegisterPage />}
</ErrorBoundary>
}
/>
Expand All @@ -90,6 +108,14 @@ function App() {
</ErrorBoundary>
}
/>
<Route
path="/telegram-settings"
element={
<ErrorBoundary>
{isAuthenticated ? <LazyTelegramSettingsPage /> : <Navigate to="/login" />}
</ErrorBoundary>
}
/>
<Route
path="/*"
element={
Expand Down
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