Async 'auto' example for Sails.js (A framework for Node.js)

PetController.js

module.exports = {
    feedTwoDogs: function(req, res) {
        async.auto({
            getDogFood: function(callback) {
                food = {
                    tommy: 200,
                    lucy: 350
                }
                callback(null, food)
            },
            feedTommy: ['getDogFood', function(callback, results) {
                foodForTommy = results.getDogFood.tommy
                // Feed tommy
                callback(null, 'tommy is full')
            }],
            feedLucy: ['getDogFood', function(callback, results) {
                foodForTommy = results.getDogFood.lucy
                // Feed lucy
                callback(null, 'lucy is full')
            }]
        }, function(err, results) {
            if (err) { return res.serverError(err) }
            console.log(results)
            // results = {
            //     getDogFood: { tommy: 200, lucy: 350 }
            //     feedTommy: 'tommy is full'
            //     feedLucy: 'lucy is full'
            // }
            return res.json({
                status: 'Both dogs full'
            })
        })
    }
}