gistfile1.txt

// d: initial data
// cs: success callback
// cf: failure callback
var flows = {
  'get_likes': function(d, cs, cf) {
    likes_api
      .get_likes(d)
      .then(cs, cf);
  },
  'read_set_read_remove_read_likes': function(d, cs, cf) {
    likes_api
      .get_likes_by_user(d, function(body) {
        // make sure that the user has no likes
        return body.likes.length === 0;
      })
      .then(function(d) {
        likes_api.set_like_for_user_and_item(d, function(body) {
          // we test that it's set
          return 
            true
        }, function(new_data) {
          return new_data;
        })
      }, cf)
      .then(function(d) {
        likes_api.get_likes_by_user(d, function(body) {
          logger.info("test", body);
          return true;
        }, function(new_data) {
          return new_data;
        })
      }, cf)
      .then(likes_api.remove_like_from_user_and_item, cf)
      .then(cs, cf);
  }
};

Ah ja und d muss in diesem Fall umbenannt werden. temp_d in meinem Fall, da es sonst mit dem ersten aus irgend einem Grund kollidiert, was es nicht tun sollte.