vnt

Take events out of your EventEmitter

Once upon a time, events were trapped in their emitters. They yearned to get out, and noone would show them a way...until now!

vnt allows you to take the events out of your EventEmitter derived classes. With events as their own objects, they can be passed around your code as first-class citizens:

• Pass them as function arguments!
• Return them from a function!
• Assign them to a variable!

Quickstart

Seriously, though - this is super quick.

All you need to do to use vnt is use it as a drop-in replacement for the EventEmitter:

var EventEmitter = require('vnt').EventEmitter;

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All that's left to do is to free your events:

var obj = new EventEmitter();
 
// Free your event! Show him the world!
var changeEvent = obj.event('change');

Any valid function from EventEmitter that targets an event is fair game:

.emit

Emit an event with changeEvent.emit()

.addListener / .on

Add a new listener with changeEvent.addListener(fn)

.once

Add a one-time listener with changeEvent.once(fn)

.removeListener

Remove a listener with changeEvent.removeListener(fn)

.removeAllListeners

Remove all listeners with changeEvent.removeAllListeners()

.listeners

Retrieve an array of listeners with changeEvent.listeners()

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Feel free to contribute. The tests are their own beast, and convergence with the node.js specs would be sublime.

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Want asynchronous eventing? Check out pwn.

@zzmp