gistfile1.txt

bluebird.promisifyAll(SomeType.prototype);

var foo = new SomeType();

foo.doFooAsync().then(function(r) {

  //SOME COMPUTERING

  foo.doMoreAsync().then(function(r) {

    //MORE COMPUTERING

  }).catch(function(e) {
    console.log('also halt and catch fire');
  });
}).catch(function(e) {
  console.log('halt and catch fire');
});