Node.js program creating a bridge between Telegram and Discord.

telegram-bridge.js

// Telegram-Discord bridge
const TelegramBot = require('node-telegram-bot-api'); // https://github.com/yagop/node-telegram-bot-api
const Discord = require('discord.js'); // https://github.com/discordjs/discord.js

/* Values:
  token: Telegram bot token (logging into Telegram's API, you can get this from @BotFather on Telegram)
  token2: Discord bot token (logging into Discord's API, you can get this from Discord's developer docs > my apps > app)
  channelid: Discord channel ID (channel the Discord bot can access, right clicking a channel and clicking copy ID with developer mode enabled)
*/
const token = '';
const token2 = '';
const channelid = '';

/* Bots:
  bot: Telegram bot
  bot2: Discord bot
*/
const bot = new TelegramBot(token, {polling: true});
const bot2 = new Discord.Client();

// Matches "/echo [whatever]" in Telegram chat
bot.onText(/\/echo (.+)/, (msg, match) => {
  // 'msg' is the received Message from Telegram
  // 'match' is the result of executing the regexp above on the text content
  // of the message
  const chatId = msg.chat.id;
  const resp = match[1]; // the captured "whatever"

  // send back the matched "whatever" to the Telegram chat
  bot.sendMessage(chatId, resp);
});

// Listen for any kind of message in Telegram. There are different kinds of messages.
// Check out node-telegram-bot-api's GitHub & the Telegram API docs for more info 
// https://github.com/yagop/node-telegram-bot-api & https://core.telegram.org/api
bot.on('message', (msg) => {
  const chatId = msg.chat.id;
  console.log("we got a message from telegram");
  bot2.channels.get(channelid).send("[Telegram] **" + msg.from.first_name + " (@" + msg.from.username + "):** " + msg.text);
  console.log("sent that message to discord");
});

bot2.login(token2);

should use a server?