Function provideQueryClient

packages/angular-query-experimental/src/providers.ts:22–38

(
  queryClient: QueryClient | InjectionToken<QueryClient>,
)

 * ```
 */
export function provideQueryClient(
  queryClient: QueryClient | InjectionToken<QueryClient>,
): Provider {
  return {
    provide: QueryClient,
    useFactory: () => {
      const client =
        queryClient instanceof InjectionToken
          ? inject(queryClient)
          : queryClient
      // Unmount the query client on injector destroy
      inject(DestroyRef).onDestroy(() => client.unmount())
      client.mount()
      return client
    },
  }
}

/**
 * Sets up providers necessary to enable TanStack Query functionality for Angular applications. Allows