getFeed code for use with simAsync.js

getFeed.js

// requires https://gist.github.com/toddzebert/996e297c1c081d19378eaf5f29dc75bb
var getFeed = function(data) {
  // create a closure
  const feed = function () {
    const a = [];
    for (let i = randInt(4, 2); i; i--) {
      a.push(randInt(90, 1));
    }
    data.feed = a;
    return data;
  };
  return simAsync(feed);
};