Carebot_text.js

const XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest();
var fs = require('fs')
fs.readFile('birthdays', 'UTF-8', function ( err, contents ) {
  var birthdays = contents.toString().split('\n');
  const bdayPeople = birthdayToday(birthdays);
  greetBirthday(bdayPeople);
})

function birthdayToday(birthdays)  {
  var results = []
  birthdays.map( (item) => {
    const birthday = item.split(',')
    const name = birthdays[0]
    const date = birthdays[1]
    var newDate = new Date();
    const todayDate = (newDate.getMonth()+1) + '/' + newDate.getDate();
    if (date === todayDate) {
      results.push(name);
    }
  })
  return results;
}

function greetBirthday(bdayPeople) {
  postMessage(bdayPeople)
}

postMessage = (results) => {
  //Return a Promise object that resolves when the HTTP request is done
  return results.map( (item ) => {
    return new Promise ( (resolve, reject) => {
      let http = new XMLHttpRequest();
      let postHook = < PLATFORM_API_TO_POST_MESSAGE_TO >
      content = { Content: "![birthday](bday-gif-link) \n" + "Happy Birthday " + firstName + "!!" }

      http.open('POST', postHook, true);

      //This is the callback method that occurs after the HTTP request finishes
      http.onLoad = () => {
        //once we finish the HTTP request, resolve the promise
        resolve(http.responseText);
      }

      http.setRequestHeader('Content-Type', 'application/json;charset=UTF-8');
      http.setRequestHeader('X-Auth-Token', '<You may not need this>')
      http.send(JSON.stringify(content))
    })
  }
}