http://letsrevolutionizetesting.com/challenge

challenge.js

let http = require('http');

(function follow(url){
  url = url.indexOf('?') !== -1 ? url.replace(/\?/,'.json?') : url + '.json';
  http.get(url, response => {
    let rawData = '';
    response.on('data', data => {
      rawData += data;
    });
    response.on('end', data => {
      let obj = JSON.parse(rawData);
      if (obj['follow']){
        console.log(obj);
        follow(obj['follow']);
      }
      else {
        console.log(obj['message']);
      }
    })
  })
}('http://letsrevolutionizetesting.com/challenge'));