replybot.js

const r2 = require('r2')
const telegramUrl = 'https://api.telegram.org/bot'
const token = '180473239:VHqX8dOnuhGlJXyurVHqX8dO8yhqX8'

/**
* A basic reply bot
* @returns {object}
*/
module.exports = async (context) => {
  const m = context.params.message
  const data = {
    chat_id: m.chat.id,
    text: 'you\'ve just sent me: ' + m.text
  }

  const res = await r2.post(telegramUrl + token + '/sendMessage',
    {json: data}).json

  return {"statusCode": 200}
}