Setup app

apps/web/src/trpc/react.tsx

@@ -0,0 +1,62 @@
+"use client";
+
+import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+import { loggerLink, unstable_httpBatchStreamLink } from "@trpc/client";
+import { createTRPCReact } from "@trpc/react-query";
+import { useState } from "react";
+import SuperJSON from "superjson";
+
+import { type AppRouter } from "~/server/api/root";
+
+const createQueryClient = () => new QueryClient();
+
+let clientQueryClientSingleton: QueryClient | undefined = undefined;
+const getQueryClient = () => {
+  if (typeof window === "undefined") {
+    // Server: always make a new query client
+    return createQueryClient();
+  }
+  // Browser: use singleton pattern to keep the same query client
+  return (clientQueryClientSingleton ??= createQueryClient());
+};
+
+export const api = createTRPCReact<AppRouter>();
+
+export function TRPCReactProvider(props: { children: React.ReactNode }) {
+  const queryClient = getQueryClient();
+
+  const [trpcClient] = useState(() =>
+    api.createClient({
+      links: [
+        loggerLink({
+          enabled: (op) =>
+            process.env.NODE_ENV === "development" ||
+            (op.direction === "down" && op.result instanceof Error),
+        }),
+        unstable_httpBatchStreamLink({
+          transformer: SuperJSON,
+          url: getBaseUrl() + "/api/trpc",
+          headers: () => {
+            const headers = new Headers();
+            headers.set("x-trpc-source", "nextjs-react");
+            return headers;
+          },
+        }),
+      ],
+    })
+  );
+
+  return (
+    <QueryClientProvider client={queryClient}>
+      <api.Provider client={trpcClient} queryClient={queryClient}>
+        {props.children}
+      </api.Provider>
+    </QueryClientProvider>
+  );
+}
+
+function getBaseUrl() {
+  if (typeof window !== "undefined") return window.location.origin;
+  if (process.env.VERCEL_URL) return `https://${process.env.VERCEL_URL}`;
+  return `http://localhost:${process.env.PORT ?? 3000}`;
+}