Promises

promises

var promoPromise;
if (promo_id) {
  promoPromise = Promise.resolve(promo_id);
} else {
  promoPromise = request('campaign', campaign_id)
    .then(function(campaign) {
      return campaign.get('promo_id');
    });
}
promoPromise.then(function(promo_id) {
  request('promo', promo_id);
});

// Get rid of jQuery promises on Backbone
var Backbone = require('backbone');
var originalSync = Backbone.sync;
Backbone.sync = function() {
  return Promise.resolve(originalSync.apply(this, arguments));
};