डेटा और कोड सीमाओं के लिए Suspense

<Suspense fallback={<Spinner />}>
  <MyComponent />
</Suspense>

const HeavyChart = React.lazy(() => import('./HeavyChart'));

<Suspense fallback={<p>Loading chart...</p>}>
  <HeavyChart />
</Suspense>

<Suspense fallback={<PageSkeleton />}>
  <Header />
  <Suspense fallback={<ChartSkeleton />}>
    <LazyChart />
  </Suspense>
</Suspense>

const { data } = useQuery({ queryKey: ['users'], queryFn: fetchUsers,
  suspense: true }); // component suspends until data is ready
// No loading check needed — data is always available here

import { use } from 'react';

function Profile({ userPromise }) {
  const user = use(userPromise); // suspends until resolved
  return <p>{user.name}</p>;
}

<ErrorBoundary fallback={<Error />}>
  <Suspense fallback={<Spinner />}>
    <DataComponent />
  </Suspense>
</ErrorBoundary>