https://github.com/os-js/osjs-event-emitter

A simple EventEmitter implementation
https://github.com/os-js/osjs-event-emitter

eventemitter osjs

Last synced: 3 days ago
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A simple EventEmitter implementation

• Host: GitHub
• URL: https://github.com/os-js/osjs-event-emitter
• Owner: os-js
• License: other
• Created: 2018-10-27T18:45:55.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2024-01-12T16:16:23.000Z (over 1 year ago)
• Last Synced: 2025-06-20T17:05:55.548Z (4 months ago)
• Topics: eventemitter, osjs
• Language: JavaScript
• Size: 22.5 KB
• Stars: 1
• Watchers: 2
• Forks: 3
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Funding: .github/FUNDING.yml
  • License: LICENSE

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[OS.js](https://www.os-js.org/) is an [open-source](https://raw.githubusercontent.com/os-js/OS.js/master/LICENSE) web desktop platform with a window manager, application APIs, GUI toolkit, filesystem abstractions and much more.

[![Support](https://img.shields.io/badge/patreon-support-orange.svg)](https://www.patreon.com/user?u=2978551&ty=h&u=2978551)

[![Support](https://img.shields.io/badge/opencollective-donate-red.svg)](https://opencollective.com/osjs)

[![Donate](https://img.shields.io/badge/liberapay-donate-yellowgreen.svg)](https://liberapay.com/os-js/)

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# OS.js EventEmitter

This is a EventEmitter implementation for OS.js.

## API

```javascript

on('event-name', () => {}); // Fired every time event is emitted

once('event-name', () => {}); // Fires only once and is forgotten

off('event-name', () => {}); // Removes listener

off('event-name'); // Removes all listeners of this type

off(); // Removes all listeners

on('event-name', () => {}, {persist: true}); // Will not be removed unless forced

off('event-name', () => {}, true); // Force removal

```

## Contribution

* **Sponsor on [Github](https://github.com/sponsors/andersevenrud)**

* **Become a [Patreon](https://www.patreon.com/user?u=2978551&ty=h&u=2978551)**

* **Support on [Open Collective](https://opencollective.com/osjs)**

* [Contribution Guide](https://github.com/os-js/OS.js/blob/master/CONTRIBUTING.md)

## Documentation

See the [Official Manuals](https://manual.os-js.org/) for articles, tutorials and guides.

## Links

* [Official Chat](https://gitter.im/os-js/OS.js)

* [Community Forums and Announcements](https://community.os-js.org/)

* [Homepage](https://os-js.org/)

* [Twitter](https://twitter.com/osjsorg) ([author](https://twitter.com/andersevenrud))

* [Facebook](https://www.facebook.com/os.js.org)

* [Docker Hub](https://hub.docker.com/u/osjs/)