class WebsocketUtil { }; WebsocketUtil.ProtectInput = "protectinput"; WebsocketUtil.OpenInput = "openinput"; WebsocketUtil.sendString = function(socket, message) { socket.sendUTF(JSON.stringify({ type: 'output', data: message}, null, "\t")); }; WebsocketUtil.sendInstruction = function(socket, instruction) { socket.sendUTF(JSON.stringify({ type: 'instruction', data: instruction}, null, "\t")); }; module.exports = WebsocketUtil;