https://github.com/pengjiyuan/emitry

simple event emitter. (only 60 lines)
https://github.com/pengjiyuan/emitry

Last synced: 4 months ago
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simple event emitter. (only 60 lines)

• Host: GitHub
• URL: https://github.com/pengjiyuan/emitry
• Owner: PengJiyuan
• Created: 2018-05-17T04:02:43.000Z (about 7 years ago)
• Default Branch: master
• Last Pushed: 2018-07-24T09:08:08.000Z (almost 7 years ago)
• Last Synced: 2025-02-06T09:02:49.415Z (4 months ago)
• Language: JavaScript
• Homepage:
• Size: 31.3 KB
• Stars: 3
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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# emitry

simple event emitter.

## Why emitry?

* **Small** - The source code is less than 100 lines. After minified and gzipped, only 450B.

* **Simple** - Only 4 api, but it can solve most of the scenes.

* **Cross platform** - It can work on nodejs, browser...

## Install

```bash

npm i emitry

```

or

```html

```

```javascript

var emitry = new Emitry();

```

## Usage

```javascript

import Emitry from 'emitry';

const emitry = new Emitry();

```

## Api

#### on(name, (value1, value2, ...) => {})

Subscribe to an event.

```javascript

emitry.on('oh', (value1, value2) => {

  console.log(value1, value2);

});

```

#### once(name, value1, value2, ...)

Subscribe to an event. Only trigger once, after triggered will remove from events list.

```javascript

emitry.once('oh', (value1, value2) => {

  console.log(value1, value2);

});

```

#### emit(name, value1, value2, ...)

Emit an event.

```javascript

emitry.emit('oh', 'my god', 'my dear');  // 'mygod' 'my dear

```

#### off(name, callback)

Remove a listener from the listener array for the specified event.

```javascript

emitry.off('oh', (value1, value2) => {

  console.log(value1, value2);

});

```

#### off([names])

Remove specify events by a list of names.

```javascript

emitry.off(['a', 'b']);

```

#### off()

Remove all events.

```javascript

emitry.off();

```