Dash/frontend/lib/api/query-client.ts

"use client";

import { QueryClient } from "@tanstack/react-query";

export function makeQueryClient() {
  return new QueryClient({
    defaultOptions: {
      queries: {
        staleTime: 30_000,
        refetchOnWindowFocus: false,
        retry: 1,
      },
    },
  });
}

let browserQueryClient: QueryClient | undefined;

export function getQueryClient() {
  if (typeof window === "undefined") return makeQueryClient();
  if (!browserQueryClient) browserQueryClient = makeQueryClient();
  return browserQueryClient;
}