'use strict'
const Telegram = require('telegram-node-bot')
const TelegramBaseController = Telegram.TelegramBaseController
const TextCommand = Telegram.TextCommand
const tg = new Telegram.Telegram('YOUR_TOKEN')
class PingController extends TelegramBaseController {
 /**
  * 
@param {Scope} $
  */
 pingHandler($) {
  $.sendMessage('pong')
 }
 get routes() {
  return {
   'pingCommand': 'pingHandler'
  }
 }
}
tg.router
  .when(
    new TextCommand('ping', 'pingCommand'),
    new PingController()
  )