Method except

packages/socket.io/lib/broadcast-operator.ts:93–106

* Excludes a room when emitting. * * @example * // the "foo" event will be broadcast to all connected clients, except the ones that are in the "room-101" room * io.except("room-101").emit("foo", "bar"); * * // with an array of rooms * io.except(["room-101", "room-102"]).emit("fo

(room: Room | Room[])

   * @return a new {@link BroadcastOperator} instance for chaining
   */
  public except(room: Room | Room[]) {
    const exceptRooms = new Set(this.exceptRooms);
    if (Array.isArray(room)) {
      room.forEach((r) => exceptRooms.add(r));
    } else {
      exceptRooms.add(room);
    }
    return new BroadcastOperator<EmitEvents, SocketData>(
      this.adapter,
      this.rooms,
      exceptRooms,
      this.flags,
    );
  }

  /**
   * Sets the compress flag.