async.series()のサンプル

asyncSeries.js

var async = require('async');

var tasks = {
  get: function(done){
    console.log('get');
    setTimeout(done, 1000);
  },
  send: function(done){
    console.log('send');
    //setTimeout(done, 1000);
    setTimeout(function(){
      done(new Error('send:failed'))
    }, 1000);
  },
  save: function(done){
    console.log('save');
    setTimeout(done, 1000);
  }
};

async.series(tasks, function(err){
  if(err){
    console.log(err.message);
  }else{
    console.log('success');
  }
});