"main" code that wraps all the individual promise steps together

promisesMain.js

// requires https://gist.github.com/toddzebert/135578e9faf006b73656c360b7e616e2
// requires https://gist.github.com/toddzebert/c9d75cd901897e7363bf142a90a2b2a1
// requires https://gist.github.com/toddzebert/bcd849a48676256eef8a795f8f03cfff
// requires https://gist.github.com/toddzebert/43c308b0e0f559b47ac487dcc8c06924
// requires https://gist.github.com/toddzebert/5d279f8a2104bef103273e5177ae3599
var data = { id: 4 };
getAuth(data)
  .then(getProfile)
  .then(getFeed)
  .then(getPosts)
  .then(getAds)
  .then(data => console.log('final data: ', data));