flow-reduce v0.0.3

flow-reduce

Through stream which performs a reduction.

Installation

$ npm install flow-reduce

Examples

var eventStream = require( 'event-stream' ),
	rStream = require( 'flow-reduce' );

// Create some data...
var data = new Array( 1000 );
for ( var i = 0; i < 1000; i++ ) {
	data[ i ] = Math.random();
}

// Create a readable stream:
var readStream = eventStream.readArray( data );

// Create a new reduce stream (counter):
var stream = rStream()
	.reduce( function( acc, d ){
		return acc+1;
	})
	.acc( 0 )
	.stream();

// Pipe the data:
readStream.pipe( stream )
	.pipe( eventStream.map( function( d, clbk ) {
		clbk( null, d.toString() );
	}))
	.pipe( process.stdout );

Tests

Unit tests use the Mocha test framework with Chai assertions.

Assuming you have installed Mocha, execute the following command in the top-level application directory to run the tests:

$ mocha

All new feature development should have corresponding unit tests to validate correct functionality.

License

MIT license.

Copyright

Copyright © 2014. Athan Reines.