Nested Async Callback example w/"all" pattern - check the console log

nestedAsyncCallbackAllExample.js

// requires https://gist.github.com/toddzebert/7c0aa1f1ee3be2d39d301bd875fead25
// requires https://gist.github.com/toddzebert/ef155ae58efb5a3788a7b143b0f7d215
var posts = [], data = { id: 4 };
getAuth(data, function (res) {
  data.auth = res;
  getProfile(data, function (res) {
    data.profile = res;
    getFeed(data, function (res) {
      data.feed = res;
      var getPosts = data.feed.map(post => getPost(post));
      all(getPosts, function(res) {
        data.posts = posts;
        console.log(data);
      });
    });
  });
});