ondo/ondo.js

event emitter

;(function (root, factory, name){
	if (typeof define === 'function' && define.amd){
		define([], factory);
	}else if(typeof module === 'object' && module.exports){
		module.exports = factory();
	}else{
		root[name] = factory();
	}
})(this, function (){
	return function(){

		var events = {};
		var ondo = {
			on: function(name, handler, context){
				(events[name] || (events[name] = [])).push({
					"handler": handler || false,
					"context": context || this
				});
			return this;
			},
			do: function(name, context){
				if(!events[name]){
					console.error( "No '" + name + "' event registered" );
				} else {
					var args = [].slice.call(arguments, 2);
					events[name].forEach(function(e){
						if(e.handler){
							e.handler.apply(context || e.context, args);
						}
					});
					if(events['*']){
						events['*'].forEach(function(e){
							if(e.handler){
								e.handler.apply(context || e.context, args);
							}
						});
					}
				}
				return this;
			},
			off: function(name, context){
				delete events[name];
				return this;
			}
		}
		return ondo;

	}
}, "ondo");