Function getQueryFn

4.Stackless Stack/client/src/lib/queryClient.ts:30–42

({ on401: unauthorizedBehavior })

  on401: UnauthorizedBehavior;
}) => QueryFunction<T> =
  ({ on401: unauthorizedBehavior }) =>
  async ({ queryKey }) => {
    const res = await fetch(queryKey.join("/") as string, {
      credentials: "include",
    });

    if (unauthorizedBehavior === "returnNull" && res.status === 401) {
      return null;
    }

    await throwIfResNotOk(res);
    return await res.json();
  };

export const queryClient = new QueryClient({
  defaultOptions: {