readme.markdown (872B)
1 [![TravisCI Build Status](https://travis-ci.org/nmhnmh/from.svg?branch=master)](https://travis-ci.org/nmhnmh/from) 2 3 # from 4 5 An easy way to create a `readable Stream`. 6 7 ## from(function getChunk(count, next)) 8 9 from takes a `getChunk` function and returns a stream. 10 11 `getChunk` is called again and again, after each time the user calls `next()`, 12 until the user emits `'end'` 13 14 if `pause()` is called, the `getChunk` won't be called again untill `resume()` is called. 15 16 17 ```js 18 var from = require('from') 19 20 var stream = 21 from(function getChunk(count, next) { 22 //do some sort of data 23 this.emit('data', whatever) 24 25 if(itsOver) 26 this.emit('end') 27 28 //ready to handle the next chunk 29 next() 30 //or, if it's sync: 31 return true 32 }) 33 ``` 34 35 ## from(array) 36 37 from also takes an `Array` whose elements it emits one after another. 38 39 ## License 40 MIT / Apache2