Fancy Events

A small and fast event emitter for node.js and browser with wildcards and regular expressions

Installing

npm install fancy-events

EventEmitter

Options

• mode?: 'wildcard' | 'regex' | 'simple' = 'wildcard'
• includeStack?: boolean = false
• delimiter?: string = '.'

Methods

• addListener: (event: string, cb: Function, options?: { once?: boolean; }) => void;
• on: (event: string, cb: Function) => void;
• once: (event: string, cb: Function) => void;
• removeListener: (event: string, listener: Function) => void;
• off: (event: string, listener: Function) => void;
• removeAllListeners: (event: string) => void;
• eventNames: () => string[];
• listenerCount: (event: string) => number;
• listeners: (event: string) => Listener[];
• emit: (event: string, ...params: any) => void;

Example

import EventEmitter from 'fancy-events';
// OR
const EventEmitter = require('fancy-events');

const em = new EventEmitter();

em.on('todo.*', (e, data) => {
    console.log(e, data);
});

//...

em.emit('todo.add', {test: 'data'});

Browser

<script src="https://unpkg.com/[email protected]/dist/fancy-events.min.js"></script>
<script>
    const em = new EventEmitter();

    em.on('todo.*', (e, data) => {
        console.log(e, data);
    });

    //...

    em.emit('todo.add', {test: 'data'});
</script>