Getting the error "SyntaxError: Unexpected end of JSON input"--instead of "Unhandled 'error' event"

treehouse:~/workspace$ node app.js davemcfarland                                                                                          
undefined:1                                                                                                                                                                                                                                                                         
SyntaxError: Unexpected end of JSON input                                                                                                 
    at JSON.parse (<anonymous>)                                                                                                           
    at IncomingMessage.response.on (/home/treehouse/workspace/app.js:32:28)                                                               
    at emitNone (events.js:111:20)                                                                                                        
    at IncomingMessage.emit (events.js:208:7)                                                                                             
    at endReadableNT (_stream_readable.js:1064:12)                                                                                        
    at _combinedTickCallback (internal/process/next_tick.js:139:11)                                                                       
    at process._tickCallback (internal/process/next_tick.js:181:9)      

// Problem: We need a simple way to look at a user's badge count and JavaScript points
// Solution: Use Node.js to connect to Treehouse's API to get profile information to print out

// 1. Connect to the API URL (https://teamtreehouse.com/charlieprator.json)
//  1a. Abstract out the username https://teamtreehouse.com/[userName].json)
// 2. Read the data
// 3. Parse the data
// 4. Print the data

// Require HTTPS module
const https = require('https');

// Function: to pring message to console

function printMessage (username, badgeCount, points) {
  const message = `${username} has ${badgeCount} total badge(s) and ${points} points in Javascript.`
  console.log(message);
}

function getProfile(userName) {
  // Connect to the API url $
  const request = https.get(`https://wwwteamtreehouse.com/${userName}.json`, response => {
    let body = "";

    // Read the data
    response.on('data', data => {
      body += data.toString();
    });

    // Parse the data
    response.on('end', ()=> {
      const profile = JSON.parse(body)
      printMessage(userName, profile.badges.length, profile.points.JavaScript );
    });

    response.on('error', error => console.error(`Problem with request: ${error.message}`));
  });
}

const users = process.argv.slice(2)
users.forEach(getProfile);