feat(core-realtime): SocketIORealtimeBroadcaster

packages/core-realtime/src/socket-io-realtime-broadcaster.ts

@@ -0,0 +1,16 @@
+import type { Server as IOServer } from "socket.io";
+import type { z } from "zod";
+import type { IRealtimeBroadcaster } from "./realtime-broadcaster.interface";
+import type { RealtimeChannelDescriptor } from "./realtime-channel";
+
+export class SocketIORealtimeBroadcaster implements IRealtimeBroadcaster {
+  constructor(private readonly io: IOServer) {}
+
+  async broadcast<T>(
+    descriptor: RealtimeChannelDescriptor<string, z.ZodType<T>>,
+    payload: T,
+  ): Promise<void> {
+    descriptor.schema.parse(payload);
+    this.io.to(`ch:${descriptor.name}`).emit(descriptor.name, payload);
+  }
+}