Simple async batch with concurrency control and progress reporting.
$ npm install batch
var Batch = require('batch') , batch = new Batch; batch.concurrency(4); ids.forEach(function(id){ batch.push(function(done){ User.get(id, done); }); }); batch.on('progress', function(e){ }); batch.end(function(err, users){ });
Contain the “job” index, response value, duration information, and completion data.
{ index: 1, value: 'bar', pending: 2, total: 3, complete: 2, percent: 66, start: Thu Oct 04 2012 12:25:53 GMT-0700 (PDT), end: Thu Oct 04 2012 12:25:53 GMT-0700 (PDT), duration: 0 }