echoesworks/src/utils.js

Next-Generation Tech Blog/Presentation Framework

/*     (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 *     Underscore may be freely distributed under the MIT license.
 */

EchoesWorks.isObject = function (obj) {
	var type = typeof obj;
	return type === 'function' || type === 'object' && !!obj;
};

EchoesWorks.isFunction = function (obj) {
	return typeof obj == 'function' || false;
};

EchoesWorks.defaults = function (obj) {
	if (!EchoesWorks.isObject(obj)) {
		return obj;
	}

	for (var i = 1, length = arguments.length; i < length; i++) {
		var source = arguments[i];
		for (var prop in source) {
			if (obj[prop] === void 0) {
				obj[prop] = source[prop];
			}
		}
	}
	return obj;
};

EchoesWorks.extend = function (obj) {
	if (!EchoesWorks.isObject(obj)) {
		return obj;
	}
	var source, prop;
	for (var i = 1, length = arguments.length; i < length; i++) {
		source = arguments[i];
		for (prop in source) {
			if (hasOwnProperty.call(source, prop)) {
				obj[prop] = source[prop];
			}
		}
	}
	return obj;
};

EchoesWorks.triggerEvent = function (eventName) {
	var event = document.createEvent('Event');
	event.initEvent(eventName, true, true);
	document.dispatchEvent(event);
};

/*! foreach.js v1.1.0 | (c) 2014 @toddmotto | https://github.com/toddmotto/foreach */
EchoesWorks.forEach = function (collection, callback, scope) {
	if (Object.prototype.toString.call(collection) === '[object Object]') {
		for (var prop in collection) {
			if (Object.prototype.hasOwnProperty.call(collection, prop)) {
				callback.call(scope, collection[prop], prop, collection);
			}
		}
	} else {
		for (var i = 0, len = collection.length; i < len; i++) {
			callback.call(scope, collection[i], i, collection);
		}
	}
};