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TanStack · Component

Await

Defer slow route data by returning its unresolved promise from a loader. Render it later with Await while critical data renders first.

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Syntax

loader: async () => ({ criticalData: await fetchCritical(), deferredData: fetchSlow() })
<Await promise={deferredData} fallback={...}>{(data) => ...}</Await>

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  • Await
  • createFileRoute
  • Suspense
  • Streaming SSR
  • getRouteApi
  • useLoaderData

Source: Deferred Data Loading | TanStack Router Docs. Checked 2026-11-03.