init

app/api/v1/stream/route.ts

@@ -0,0 +1,60 @@
+import { NextRequest } from "next/server";
+import Redis from "ioredis";
+
+export const dynamic = "force-dynamic";
+export const runtime = "nodejs";
+
+export async function GET(req: NextRequest) {
+  const encoder = new TextEncoder();
+
+  const stream = new ReadableStream({
+    start(controller) {
+      const subscriber = new Redis(process.env.REDIS_URL!);
+
+      subscriber.subscribe("channel:realtime");
+
+      subscriber.on("message", (_channel: string, message: string) => {
+        try {
+          const data = JSON.parse(message);
+          controller.enqueue(
+            encoder.encode(
+              `event: ${data.type}\ndata: ${JSON.stringify(data)}\n\n`
+            )
+          );
+        } catch {
+          // skip malformed messages
+        }
+      });
+
+      // Send keepalive every 30 seconds
+      const keepalive = setInterval(() => {
+        try {
+          controller.enqueue(encoder.encode(": keepalive\n\n"));
+        } catch {
+          clearInterval(keepalive);
+        }
+      }, 30000);
+
+      // Send initial connection event
+      controller.enqueue(
+        encoder.encode(`event: connected\ndata: {"status":"connected"}\n\n`)
+      );
+
+      // Cleanup on close
+      req.signal.addEventListener("abort", () => {
+        clearInterval(keepalive);
+        subscriber.unsubscribe("channel:realtime");
+        subscriber.quit();
+      });
+    },
+  });
+
+  return new Response(stream, {
+    headers: {
+      "Content-Type": "text/event-stream",
+      "Cache-Control": "no-cache, no-transform",
+      Connection: "keep-alive",
+      "X-Accel-Buffering": "no",
+    },
+  });
+}