# prefetch

Captures the first value for SSR/hydration and closes the temporary subscription before returning.

## Signatures

```ts
export declare function prefetch<A, E, R>(source: Effect.Effect<A, E, R> | Stream.Stream<A, E, R> | Fx.Fx<A, E, R>): Effect.Effect<Data.AsyncData<A, E>, never, Exclude<R, Scope.Scope>>;
```