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| 2 | # batch
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| 3 |
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| 4 | Simple async batch with concurrency control and progress reporting.
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| 5 |
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| 6 | ## Installation
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| 7 |
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| 8 | ```
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| 9 | $ npm install batch
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| 10 | ```
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| 11 |
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| 12 | ## API
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| 13 |
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| 14 | ```js
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| 15 | var Batch = require('batch')
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| 16 | , batch = new Batch;
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| 17 |
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| 18 | batch.concurrency(4);
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| 19 |
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| 20 | ids.forEach(function(id){
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| 21 | batch.push(function(done){
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| 22 | User.get(id, done);
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| 23 | });
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| 24 | });
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| 25 |
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| 26 | batch.on('progress', function(e){
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| 27 |
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| 28 | });
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| 29 |
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| 30 | batch.end(function(err, users){
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| 31 |
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| 32 | });
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| 33 | ```
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| 34 |
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| 35 | ### Progress events
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| 36 |
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| 37 | Contain the "job" index, response value, duration information, and completion data.
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| 38 |
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| 39 | ```
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| 40 | { index: 1,
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| 41 | value: 'bar',
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| 42 | pending: 2,
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| 43 | total: 3,
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| 44 | complete: 2,
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| 45 | percent: 66,
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| 46 | start: Thu Oct 04 2012 12:25:53 GMT-0700 (PDT),
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| 47 | end: Thu Oct 04 2012 12:25:53 GMT-0700 (PDT),
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| 48 | duration: 0 }
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| 49 | ```
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| 50 |
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| 51 | ## License
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| 52 |
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| 53 | [MIT](LICENSE)
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