gistfile1.js

Y.eventMethod = function (receiver, method, config) {
    config || (config = {});
    var original    = receiver[method] || noop,
        type        = config.type || method;
        
    config.defaultFn = config.defaultFn || function(e){
        original.apply(this, e.args);
    };
    
    receiver[method] = function(){
        this._evented || (this._evented = {});
        if ( ! this._evented[method]) {
            this.publish(type, config);
            this._evented[method] = config.defaultFn;
        }
        this.fire(type, { args: Y.Array(arguments, 0, true) });
        return this;
    };
};