First Commit. Duplicate bunext-sqlite preset

src/websocket/(functions)/broadcast.ts

@@ -0,0 +1,23 @@
+import type { WebSocketDataType, WebsocketRoomType } from "@/src/types";
+import { getAllRooms } from "../(data)/rooms";
+import type { ServerWebSocket } from "bun";
+import type { WebSocketSession } from "../types";
+
+export function broadcast(
+    room: WebsocketRoomType,
+    data: WebSocketDataType,
+    exclude?: ServerWebSocket<WebSocketSession>,
+) {
+    const rooms = getAllRooms();
+    const members = rooms.get(room);
+
+    if (!members) return;
+
+    const message = JSON.stringify(data);
+
+    for (const ws of members) {
+        if (ws !== exclude && ws.readyState === WebSocket.OPEN) {
+            ws.send(message);
+        }
+    }
+}