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stream-chunker
Advanced tools
A transform stream which chunks incoming data into chunkSize
byte chunks.
var chunker = require('stream-chunker')(chunkSize, [opts])
Returns a new chunker. Chunker is a duplex (transform) stream. You can write data into the
chunker, and regardless of the incoming data, the readable side will emit data
in chunkSize
byte chunks. This modules has no notion of objectMode
, everything
written to this stream must be a string
or a buffer
.
chunkSize
: integer
- Size in bytes of the desired chunks.opts
flush
: boolean
- Optional. Flush incomplete chunk data on stream end. Default is false
.encoding
: string
- Optional. Encoding of String chunks. Must be a valid Buffer encoding, such as utf8
or ascii
.var fs = require('fs');
var chunker = require('stream-chunker');
fs.createReadStream('/someFile')
.pipe(chunker(16))
.pipe(somethingThatExpects16ByteChunks());
// Create sample input stream with 10 byte chunks
var Lorem = require('loremipstream');
var sampleStream = new Lorem({
size: 100,
dataSize: 10,
dataInteval: 100
});
// Create stream chunker with 16 byte chunks
var Chunker = require('stream-chunker');
var opts = {
flush: true,
encoding: 'utf8'
};
var chunker = Chunker(16, opts);
// make sure to add any data event listeners to chunker stream
// before you write any data to it
chunker.on('data', function(data) {
// do something with a chunk of data
// notice the last chunk is the flushed data
console.log('Chunk: ' + data);
});
sampleStream.pipe(chunker); // write some data to chunker to get chunked
MIT
FAQs
A transform stream which chunks incoming data into chunkSize byte chunks
The npm package stream-chunker receives a total of 1,409 weekly downloads. As such, stream-chunker popularity was classified as popular.
We found that stream-chunker demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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