Exploring q.js flow control library: comparing ncall/nbind and promises

q-test.js

var q = require('q');

/*
 * ncall / nbind test
 */
function simpleAdmin(callback) {
  setTimeout(
    function () {
      console.log('nc admin ok');
      callback();
    },
    300
  );
};

function simpleDocument(opts, callback) {
  console.log(arguments);
  //console.log( new q.defer().makeNodeResolver() );
  setTimeout(
    function () {
      console.log('nc doc ok');
      console.log(callback);
      callback();
    },
    600
  );
};

/*
q.all([
  q.ncall(simpleAdmin),
  q.ncall(simpleDocument)
]).then(function() {
  console.log(arguments);
  console.log('nc both done');
});
*/

q.ncall(simpleAdmin)
  .then(q.nbind(simpleDocument))
  .then(function() {
    console.log('nc both done');
});


/*
 * deferred test
 */
function getAdminAccount() {
  var defer = q.defer();
  setTimeout(
    function () {
      console.log('admin ok');
      defer.resolve()
    },
    300
  );
  return defer.promise;
};

function getDocumentObject() {
  var defer = q.defer();
  setTimeout(
    function () {
      console.log('doc ok');
      defer.resolve()
    },
    600
  );
  return defer.promise;
};

q.all([
  getAdminAccount(),
  getDocumentObject()
]).then(function() {
  console.log('both done');
});