error-handling

var when = require('when'); //It is a regular A+ Promises library

function somethingThatThrows(){
  throw new Error('Boom');
}

when.resolve('Hello')
  .then(function(result){
    somethingThatThrows();
    return result;
  }, function(err){
    console.log('gotcha ', err);
    return 'Ciao';
  })
  .then(function(result){
    console.log('result ', result);
  });