A simple Javascript Event Emitter written in EcmaScript 2015

This is a test library not added to npm.

Install

git clone https://github.com/edfialk/js-eventEmitter-es6
npm install

Test

npm run test

Build

npm run build
npm run watch

Usage

import EventEmitter from 'src';
const e = new EventEmitter();

Multiple emitters can work independently.

add event listener

e.on('event', (a, b, c) => {
    //handle
});
e.on('event', (...args) => {
    //handle
});

trigger event

e.trigger('event', val);
e.trigger('event', val1, val2, val3);

remove event listener

const handler = function(){};
e.on('event', handler);
e.off('event', handler);

fire handle only once

e.once('event', () => {
    //only run once
});