fire.js

/**
 *
 * fire.js 0.1
 *
 * (c) 2012 Michael Gerhaeuser
 *
 * fire.js is free software; You can redistribute it and/or
 * modify it under the terms of the MIT license. You should have
 * received a copy of the MIT license along with fire.js. If not,
 * see http://www.opensource.org/licenses/MIT
 */

var fire = (function (window, document, undefined) {

	var _ = {
			isArray: function (v) {
				return v && typeof v === "object" && 'splice' in v && 'join' in v;
			},
			
			merge: function (obj1, obj2) {
				var r = obj1 || {},
					i, j;
				
				for (i in obj2) {
					if (obj2.hasOwnProperty(i)) {
						if (_.isArray(obj2[i])) {
							r[i] = [];
							for (j = 0; j < obj2[i].length; j++) {
								if (_.isArray(obj2[i][j]) || typeof obj2[i][j] === 'object') {
									r[i][j] = _.merge(r[i][j], obj2[i][j]);
								} else {
									r[i][j] = obj2[i][j];
								}
							}
						} else if (typeof obj2[i] === 'object') {
							r[i] = _.merge(r[i] || {}, obj2[i]);
						} else {
							r[i] = obj2[i];
						}
					}
				}
				
				return r;
			}
		},
		pub = {
			event: function (element, event, patch) {
				var evt;
			
				if (document.createEventObject){
				    // IE
			    	evt = document.createEventObject();
			    	evt = _.merge(evt, patch);
		    	
				    return element.fireEvent('on' + event,evt)
				} else {
					// non-IE
					evt = document.createEvent("HTMLEvents");
					evt.initEvent(event, true, true );
					evt = _.merge(evt, patch);
					
					return !element.dispatchEvent(evt);
				}
			}
		};

	// we are running test cases
	if (typeof TestCase !== 'undefined') {
		pub._ = _;
	}

	return pub;

})(window, document);