aaac7fed
 liuqimichale
add
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# batch
Simple async batch with concurrency control and progress reporting.
## Installation
```
$ npm install batch
```
## API
```js
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){
});
```
### Progress events
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 }
```
## License
[MIT](LICENSE)
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