Subclass deferred

deferredThingy.js

// DeferredThingy is a class that present the interface of a deferred
// plus provides public methods that will only run after it is resolved.
function DeferredThingy(opts) {
	this.opts = opts;
 	_.extend(this, new $.Deferred());
}

DeferredThingy.prototype.ready = function(){
	this.resolve(data);
};

DeferredThingy.prototype.renderEventually = afterResolved(function(data){
	this.render(data);
};

// method decorator for calling this method only after deferred is resolved
// See: https://github.com/raganwald/homoiconic/blob/master/2012/08/method-decorators-and-combinators-in-coffeescript.md
function afterResolved(fn){
	return function(){
		var args = arguments,
			self = this;
		this.done(function(){
			fn.apply(self, args);
		});
	};
}