hot reloading is better

nextjs/src/app/providers.tsx

@@ -0,0 +1,47 @@
+"use client";
+import {
+  isServer,
+  QueryClient,
+  QueryClientProvider,
+} from "@tanstack/react-query";
+import { ReactNode } from "react";
+
+function makeQueryClient() {
+  return new QueryClient({
+    defaultOptions: {
+      queries: {
+        // With SSR, we usually want to set some default staleTime
+        // above 0 to avoid refetching immediately on the client
+        staleTime: 60 * 1000,
+      },
+    },
+  });
+}
+
+let browserQueryClient: QueryClient | undefined = undefined;
+
+function getQueryClient() {
+  if (isServer) {
+    // Server: always make a new query client
+    return makeQueryClient();
+  } else {
+    // Browser: make a new query client if we don't already have one
+    // This is very important, so we don't re-make a new client if React
+    // suspends during the initial render. This may not be needed if we
+    // have a suspense boundary BELOW the creation of the query client
+    if (!browserQueryClient) browserQueryClient = makeQueryClient();
+    return browserQueryClient;
+  }
+}
+
+export default function Providers({ children }: { children: ReactNode }) {
+  // NOTE: Avoid useState when initializing the query client if you don't
+  //       have a suspense boundary between this and the code that may
+  //       suspend because React will throw away the client on the initial
+  //       render if it suspends and there is no boundary
+  const queryClient = getQueryClient();
+
+  return (
+    <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
+  );
+}