after-event

Usage

 
var after   = require('after-event');
var events  = require('events');
var ee      = new events.EventEmitter();
 
after(ee, 'bang', function () { console.log('added before'); });
 
ee.emit('bang'); // Logs `added before
 
after(ee, 'bang', function () { console.log('Added after'); }); // Logs `added after`

API

after(eventemitter, event, cb)

Attaches event listener to eventemitter if such event was not emitted yet. Calls callback otherwise.

License

MIT (c) 2014 Vsevolod Strukchinsky