local WebSocketClient = require('websocket')
local copas = require "copas"
local client = WebSocketClient.new({
uri = "http://localhost:3000",
})
copas.loop()
on_connected -> callback of connected init
on_disconnected -> callback of disconnected
on_received(data) -> callback of recevied messages from ws server
function WebSocketClient:send(command, data)
command -> string,
data -> any