Method to

packages/socket.io-postgres-emitter/lib/index.ts:267–282

* Targets a room when emitting. * * @param room * @return a new BroadcastOperator instance * @public

(
    room: string | string[],
  )

   * @public
   */
  public to(
    room: string | string[],
  ): BroadcastOperator<EmitEvents, ServerSideEvents> {
    const rooms = new Set(this.rooms);
    if (Array.isArray(room)) {
      room.forEach((r) => rooms.add(r));
    } else {
      rooms.add(room);
    }
    return new BroadcastOperator(
      this.emitter,
      rooms,
      this.exceptRooms,
      this.flags,
    );
  }

  /**
   * Targets a room when emitting.