Method broadcast

packages/socket.io-adapter/lib/in-memory-adapter.ts:162–180

* Broadcasts a packet. * * Options: * - `flags` {Object} flags for this packet * - `except` {Array} sids that should be excluded * - `rooms` {Array} list of rooms to broadcast to * * @param {Object} packet the packet object * @param {Object} opts the options * @pu

(packet: any, opts: BroadcastOptions)

   * @public
   */
  public broadcast(packet: any, opts: BroadcastOptions): void {
    const flags = opts.flags || {};
    const packetOpts = {
      preEncoded: true,
      volatile: flags.volatile,
      compress: flags.compress,
    };

    packet.nsp = this.nsp.name;
    const encodedPackets = this._encode(packet, packetOpts);

    this.apply(opts, (socket) => {
      if (typeof socket.notifyOutgoingListeners === "function") {
        socket.notifyOutgoingListeners(packet);
      }

      socket.client.writeToEngine(encodedPackets, packetOpts);
    });
  }

  /**
   * Broadcasts a packet and expects multiple acknowledgements.