bpmn-js/README.md

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> The project is still in an early stage. Documentation may be missing and [examples](https://github.com/bpmn-io/bpmn-js-examples) may be broken.
# bpmn-js - BPMN 2.0 for the web
[![Build Status](https://travis-ci.org/bpmn-io/bpmn-js.svg?branch=master)](https://travis-ci.org/bpmn-io/bpmn-js)
[bpmn-js](https://github.com/bpmn-io/bpmn-js) is a BPMN 2.0 diagram rendering toolkit and web modeler.
[![bpmn-js in action](https://raw.githubusercontent.com/bpmn-io/bpmn-js/master/resources/screencast.gif)](http://demo.bpmn.io/s/start)
## Usage
> No need for additional setup: Try out our [seed project](https://github.com/bpmn-io/bpmn-js-seed) or use the [pre-packaged version](https://github.com/bpmn-io/bower-bpmn-js) of the library.
Get the library via [npm](http://npmjs.org) or [Bower](http://bower.io/) and use it in your web applications to display [BPMN 2.0 diagrams](http://www.bpmn.org/).
```javascript
var BpmnViewer = require('bpmn-js');
var xml; // my BPMN 2.0 xml
var viewer = new BpmnViewer({ container: 'body' });
viewer.importXML(xml, function(err) {
if (err) {
console.log('error rendering', err);
} else {
console.log('rendered');
}
});
```
### Dynamic Attach/Detach
You may attach or detach the viewer dynamically to any element on the page, too:
```javascript
var viewer = new BpmnViewer();
// attach it to some element
viewer.attachTo('#container');
// detach the panel
viewer.detach();
```
## Installation
Fetch [bpmn-js prebuilt](https://github.com/bpmn-io/bower-bpmn-js) or install it via [npm](https://www.npmjs.com/package/bpmn-js).
#### Fetch Prebuilt
The [bower-bpmn-js](https://github.com/bpmn-io/bower-bpmn-js) repository contains pre-built bundles of bpmn-js.
Download them directly _or_ fetch them with [Bower](http://bower.io/):
```
bower install bpmn-js
```
Checkout the [example project](https://github.com/bpmn-io/bpmn-js-examples/tree/master/simple-bower) to get started.
#### Install via npm
Fetch the library via npm to get fine grained access to the parts you need:
```
npm install --save bpmn-js
```
Make sure you use [browserify](http://browserify.org) or the like to bundle your project and bpmn-js for the browser.
Checkout the [example project](https://github.com/bpmn-io/bpmn-js-examples/tree/master/simple-commonjs) to learn more.
## Resources
* [Demo](http://demo.bpmn.io)
* [Issues](https://github.com/bpmn-io/bpmn-js/issues)
* [Examples](https://github.com/bpmn-io/bpmn-js-examples)
* [Forum](https://forum.bpmn.io)
## Building the Project
Perform the following steps to build the library, including running all tests:
```
cd bpmn-js
npm install
npm run all
```
You may need to perform [additional project setup](https://github.com/bpmn-io/bpmn-js/blob/master/docs/project/SETUP.md) when building the latest development snapshot.
Please checkout our [contributing guidelines](https://github.com/bpmn-io/bpmn-js/blob/master/CONTRIBUTING.md) if you plan to file an issue or pull request.
## Related
bpmn-js builds on top of a few additional powerful tools:
* [bpmn-moddle](https://github.com/bpmn-io/bpmn-moddle): Read / write support for BPMN 2.0 XML in the browsers
* [diagram-js](https://github.com/bpmn-io/diagram-js): Diagram rendering and editing toolkit
## License
Use under the terms of the [bpmn.io license](http://bpmn.io/license).