epub.js/src/base.js

var EPUBJS = EPUBJS || {}; 
EPUBJS.VERSION = "0.1.5";

EPUBJS.plugins = EPUBJS.plugins || {};

EPUBJS.filePath = EPUBJS.filePath || "/epubjs/";

(function() {

	var root = this;
	var previousEpub = root.ePub || {};
	
	var ePub = root.ePub = function() {
		var bookPath, options;

		//-- var book = ePub("path/to/book.epub", { restore: true })
		if(arguments[0] && 
			typeof arguments[0] === 'string') {

			bookPath = arguments[0];

			if( arguments[1] && typeof arguments[1] === 'object' ) {
				options = arguments[1];
				options.bookPath = bookPath;
			} else {
				options = { 'bookPath' : bookPath }
			}

		}

		/* 
		 *	var book = ePub({ bookPath: "path/to/book.epub", restore: true });
		 *	
		 *	 - OR -
		 *
		 * 	 var book = ePub({ restore: true });
		 * 	 book.open("path/to/book.epub");
		 */

		 if( arguments[0] && typeof arguments[0] === 'object' ) {
		 	options = arguments[0];
		 }
		 
		
		return new EPUBJS.Book(options);
	}

	_.extend(ePub, {
		noConflict : function() {
			root.ePub = previousEpub;
			return this;
		}
	});

	//exports to multiple environments
	if (typeof define === 'function' && define.amd)
	//AMD
	define(function(){ return ePub; });
	else if (typeof module != "undefined" && module.exports)
	//Node
	module.exports = ePub;

})();