client.scala

  def sendFileReader(f: dom.Blob, typeFile: String, idPedido: IdPedido, eof: Boolean) = { //Original para enviar el archivo completo
    val fileReader = new dom.FileReader()
    fileReader.onload = { e: dom.UIEvent =>
      val buffer = fileReader.result.asInstanceOf[ArrayBuffer]
      val bb = TypedArrayBuffer.wrap(buffer)
      val arraybuf: Array[Byte] = new Array[Byte](bb.remaining())
      bb.get(arraybuf)
      val msgFile = IncomingFile( idPedido = idPedido, file = arraybuf, typeFile = typeFile, eof = eof)
      //val bytesFile = Pickle.intoBytes[WebSocketEvent](msgFile).arrayBuffer()
      //wsMain.ws.send(bytesFile)
      val payload = Pickle.intoBytes[WebSocketEvent](msgFile).arrayBuffer()
      type Event = String
      type Failure = String //Int
      val client = WebsocketClient.withPayload[ByteBuffer, ArrayBuffer, Event, Failure](
                        new JsWebsocketConnection, WebsocketClientConfig(), new IncidentHandler[Event])
      client.run(s"ws://$ipWS:$portWS/ws/socketMycelium")
      val respondWS = client.send ( "saveImage" :: Nil, payload, SendType.WhenConnected, 30 seconds )
    }
    fileReader.readAsArrayBuffer(f)
  }