js-simple-events

Yet another simple event management system

npm i -S js-simple-events

About

This is just a simple class that helps to manage events in a simple way without dependencies. It also supports TypeScript!

And it's really light - <1kb in size!

Methods

Method | Params | Description -------- | ----------------- | ---------------------------------------------------------------- emit | event, payload | Emit the event with the given payload. fire | event, payload | Alias for emit on | event, callback | Listen for the event with the given callback. listen | event, callback | Alias for on once | event, callback | Listen for the event once, after handling - remove the listener. off | event, callback | Remove event listener(s) for the event. remove | event, callback | Alias for off

Examples

// Import and initialize
import EventManager from 'js-simple-events'

const eventManager = new EventManager();


// Define handlers
const eventHandler = (payload) => console.log('Yay, events work!', payload);

eventManager.on('test', eventHandler);
eventManager.once('test', () => console.log('This will be called just once!'));

// Emit events
eventManager.emit('test', 'Hello!');
// -> Yay, events work! Hello!
// -> This will be called just once!

eventManager.emit('test', 'Hello!');
// -> Yay, events work! Hello!
// (The 'once' handler isn't fired)

Plugins

For Vue.js