# <a href="http://rpominov.github.io/kefir/"><img src="http://rpominov.github.io/kefir/Kefir-with-bg.svg" width="60" height="60"></a> Kefir



Kefir — is an Reactive Programming library for JavaScript
inspired by [Bacon.js](https://github.com/baconjs/bacon.js)
and [RxJS](https://github.com/Reactive-Extensions/RxJS)
with focus on high performance and low memory usage.

For docs visit [rpominov.github.io/kefir](http://rpominov.github.io/kefir).
See also [Deprecated API docs](https://github.com/rpominov/kefir/blob/master/deprecated-api-docs.md).



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[Run tests in your browser](http://rpominov.github.io/kefir/test/in-browser/SpecRunner.html) (`gh-pages` branch, i.e. last stable version)



# Installation

Kefir available as NPM and Bower packages, as well as simple files download.

### NPM
```sh
npm install kefir
```

### Bower
```sh
bower install kefir
```

### Download

See [downloads](https://rpominov.github.io/kefir/#downloads) section in the docs.


# Development

To build all the things: `/dist`, docs, tests for browser, etc. run:

    grunt
    grunt bower # to also install bower packages which needed for docs and demos

To run unit tests:

    npm test

To run memory tests:

    coffee --nodejs '--expose-gc' test/perf/memory-specs/[some spec].coffee

To run all memory tests (see [results](https://github.com/rpominov/kefir/blob/master/test/perf/memory-results.txt)):

    coffee --nodejs '--expose-gc' test/perf/memory-all.coffee

To run performance tests:

    coffee test/perf/perf-specs/[some spec].coffee