First Commit. Duplicate bunext-sqlite preset

src/websocket/(functions)/join-room.ts

@@ -0,0 +1,15 @@
+import { getMetadata, getAllRooms } from "../(data)/rooms";
+import type { ServerWebSocket } from "bun";
+import type { WebSocketSession } from "../types";
+import type { WebsocketRoomType } from "@/src/types";
+
+export function joinRoom(
+    ws: ServerWebSocket<WebSocketSession>,
+    room: WebsocketRoomType,
+) {
+    const meta = getMetadata(ws);
+    const rooms = getAllRooms();
+    meta.rooms.add(room);
+    if (!rooms.has(room)) rooms.set(room, new Set());
+    rooms.get(room)!.add(ws);
+}