main.js

(function(global){

	// helpers
	var camelize = function(str){
		return str.replace(/-+(.)?/g, function(match, chr){
			return chr ? chr.toUpperCase() : ''
		});
	},
		each = function( o, cb){
			var i, len;

			// weak array detection, but we only use this internally so don't
			// pass it weird stuff
			if ( typeof o.length == 'number' && (o.length - 1) in o) {
				for ( i = 0, len = o.length; i < len; i++ ) {
					cb.call(o[i], o[i], i, o);
				}
			} else {
				for ( i in o ) {
					if(o.hasOwnProperty(i)){
						cb.call(o[i], o[i], i, o);
					}
				}
			}
			return o;
		},
		map = function(o, cb) {
			var arr = [];
			each(o, function(item, i){
				arr[i] = cb(item, i);
			});
			return arr;
		},
		isString = function(o) {
			return typeof o == "string";
		},
		extend = function(d,s){
			each(s, function(v, p){
				d[p] = v;
			});
			return d;
		},
		dir = function(uri){
			var lastSlash = uri.lastIndexOf("/");
			//if no / slashes, check for \ slashes since it might be a windows path
			if(lastSlash === -1)
				lastSlash = uri.lastIndexOf("\\");
			if(lastSlash !== -1) {
				return uri.substr(0, lastSlash);
			} else {
				return uri;
			}
		},
		last = function(arr){
			return arr[arr.length - 1];
		},
		parseURI = function(url) {
			var m = String(url).replace(/^\s+|\s+$/g, '').match(/^([^:\/?#]+:)?(\/\/(?:[^:@]*(?::[^:@]*)?@)?(([^:\/?#]*)(?::(\d*))?))?([^?#]*)(\?[^#]*)?(#[\s\S]*)?/);
				// authority = '//' + user + ':' + pass '@' + hostname + ':' port
				return (m ? {
				href     : m[0] || '',
				protocol : m[1] || '',
				authority: m[2] || '',
				host     : m[3] || '',
				hostname : m[4] || '',
				port     : m[5] || '',
				pathname : m[6] || '',
				search   : m[7] || '',
				hash     : m[8] || ''
			} : null);
		},
		joinURIs = function(base, href) {
			function removeDotSegments(input) {
				var output = [];
				input.replace(/^(\.\.?(\/|$))+/, '')
					.replace(/\/(\.(\/|$))+/g, '/')
					.replace(/\/\.\.$/, '/../')
					.replace(/\/?[^\/]*/g, function (p) {
						if (p === '/..') {
							output.pop();
						} else {
							output.push(p);
						}
					});
				return output.join('').replace(/^\//, input.charAt(0) === '/' ? '/' : '');
			}

			href = parseURI(href || '');
			base = parseURI(base || '');

			return !href || !base ? null : (href.protocol || base.protocol) +
				(href.protocol || href.authority ? href.authority : base.authority) +
				removeDotSegments(href.protocol || href.authority || href.pathname.charAt(0) === '/' ? href.pathname : (href.pathname ? ((base.authority && !base.pathname ? '/' : '') + base.pathname.slice(0, base.pathname.lastIndexOf('/') + 1) + href.pathname) : base.pathname)) +
					(href.protocol || href.authority || href.pathname ? href.search : (href.search || base.search)) +
					href.hash;
		},
		relativeURI = function(base, path) {
			var uriParts = path.split("/"),
				baseParts = base.split("/"),
				result = [];
			while ( uriParts.length && baseParts.length && uriParts[0] == baseParts[0] ) {
				uriParts.shift();
				baseParts.shift();
			}
			for(var i = 0 ; i< baseParts.length-1; i++) {
				result.push("../");
			}
			return "./" + result.join("") + uriParts.join("/");
		},
		fBind = Function.prototype.bind,
		isWebWorker = typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope,
		isNode = typeof process === "object" && {}.toString.call(process) === "[object process]",
		isBrowserWithWindow = !isNode && typeof window !== "undefined",
		isNW = isNode && (function(){
			try {
				return require("nw.gui") !== "undefined";
			} catch(e) {
				return false;
			}
		})();
		isNode = isNode && !isNW,
		warn = typeof console === "object" ?
			fBind.call(console.warn, console) : function(){};

	var filename = function(uri){
		var lastSlash = uri.lastIndexOf("/");
		//if no / slashes, check for \ slashes since it might be a windows path
		if(lastSlash === -1)
			lastSlash = uri.lastIndexOf("\\");
		var matches = ( lastSlash == -1 ? uri : uri.substr(lastSlash+1) ).match(/^[\w-\s\.!]+/);
		return matches ? matches[0] : "";
	};
	
	var ext = function(uri){
		var fn = filename(uri);
		var dot = fn.lastIndexOf(".");
		if(dot !== -1) {
			return fn.substr(dot+1);
		} else {
			return "";
		}
	};

	var pluginCache = {};
	
	var normalize = function(name, loader){

		// Detech if this name contains a plugin part like: app.less!steal/less
		// and catch the plugin name so that when it is normalized we do not perform
		// Steal's normalization against it.
		var pluginIndex = name.lastIndexOf('!');
		var pluginPart = "";
		if (pluginIndex != -1) {
			// argumentName is the part before the !
			var argumentName = name.substr(0, pluginIndex);
			var pluginName = name.substr(pluginIndex + 1);
			pluginPart = "!" + pluginName;

			// Set the name to the argument name so that we can normalize it alone.
			name = argumentName;
		} 
		
		var last = filename(name),
			extension = ext(name);
		// if the name ends with /
		if(	name[name.length -1] === "/" ) {
			return name+filename( name.substr(0, name.length-1) ) + pluginPart;
		} else if(	!/^(\w+(?:s)?:\/\/|\.|file|\/)/.test(name) &&
			// and doesn't end with a dot
			 last.indexOf(".") === -1 
			) {
			return name+"/"+last + pluginPart;
		} else {
			if(extension === "js") {
				return name.substr(0, name.lastIndexOf(".")) + pluginPart;
			} else {
				return name + pluginPart;
			}
		}
	};

var cloneSteal = function(System){
	var loader = System || this.System;
	return makeSteal(this.addSteal(loader.clone()));
};

var makeSteal = function(System){
	System.set('@loader', System.newModule({
		'default': System,
		__useDefault: true
	}));

	System.config({
		map: {
			"@loader/@loader": "@loader",
			"@steal/@steal": "@steal"
		}
	});

	var configPromise,
		devPromise,
		appPromise;

	var steal = function(){
		var args = arguments;
		var afterConfig = function(){
			var imports = [];
			var factory;
			each(args, function(arg){
				if(isString(arg)) {
					imports.push( steal.System['import']( normalize(arg) ) );
				} else if(typeof arg === "function") {
					factory = arg;
				}
			});

			var modules = Promise.all(imports);
			if(factory) {
				return modules.then(function(modules) {
			        return factory && factory.apply(null, modules);
			   });
			} else {
				return modules;
			}
		};
		if(System.isEnv("production")) {
			return afterConfig();
		} else {
			// wait until the config has loaded
			return configPromise.then(afterConfig,afterConfig);
		}

	};

	System.set("@steal", System.newModule({
		"default": steal,
		__useDefault:true
	}));

	// steal.System remains for backwards compat only
	steal.System = steal.loader = System;
	steal.parseURI = parseURI;
	steal.joinURIs = joinURIs;
	steal.normalize = normalize;
	steal.relativeURI = relativeURI;

	// System-Ext
	// This normalize-hook does 2 things.
	// 1. with specify a extension in your config
	// 		you can use the "!" (bang) operator to load
	// 		that file with the extension
	// 		System.ext = {bar: "path/to/bar"}
	// 		foo.bar! -> foo.bar!path/to/bar
	// 2. if you load a javascript file e.g. require("./foo.js")
	// 		normalize will remove the ".js" to load the module
	var addExt = function(loader) {
		if (loader._extensions) {
			loader._extensions.push(addExt);
		}

		loader.ext = {};

		var normalize = loader.normalize,
			endingExtension = /\.(\w+)!?$/;

		loader.normalize = function(name, parentName, parentAddress, pluginNormalize){
			if(pluginNormalize) {
				return normalize.apply(this, arguments);
			}

			var matches = name.match(endingExtension);

			if(matches) {
				var hasBang = name[name.length - 1] === "!",
					ext = matches[1];
				// load js-files nodd-like
				if(parentName && loader.configMain !== name && matches[0] === '.js') {
					name = name.substr(0, name.lastIndexOf("."));
					// matches ext mapping
				} else if(loader.ext[ext]) {
					name = name + (hasBang ? "" : "!") + loader.ext[ext];
				}
			}
			return normalize.call(this, name, parentName, parentAddress);
		};
	};

	if(typeof System){
		addExt(System);
	}



	// "path/to/folder/" -> "path/to/folder/folder"
	var addForwardSlash = function(loader) {
		if (loader._extensions) {
			loader._extensions.push(addForwardSlash);
		}

		var normalize = loader.normalize;
		var npmLike = /@.+#.+/;

		loader.normalize = function(name, parentName, parentAddress, pluginNormalize) {
			var lastPos = name.length - 1,
				secondToLast,
				folderName;

			if (name[lastPos] === "/") {
				secondToLast = name.substring(0, lastPos).lastIndexOf("/");
				folderName = name.substring(secondToLast + 1, lastPos);
				if(npmLike.test(folderName)) {
					folderName = folderName.substr(folderName.lastIndexOf("#") + 1);
				}

				name += folderName;
			}
			return normalize.call(this, name, parentName, parentAddress, pluginNormalize);
		};
	};

	if (typeof System) {
		addForwardSlash(System);
	}

// override loader.translate to rewrite 'locate://' & 'pkg://' path schemes found
// in resources loaded by supporting plugins

var addLocate = function(loader){
	/**
	 * @hide
	 * @function normalizeAndLocate
	 * @description Run a module identifier through Normalize and Locate hooks.
	 * @param {String} moduleName The module to run through normalize and locate.
	 * @return {Promise} A promise to resolve when the address is found.
	 */
	var normalizeAndLocate = function(moduleName, parentName){
		var loader = this;
		return Promise.resolve(loader.normalize(moduleName, parentName))
			.then(function(name){
				return loader.locate({name: name, metadata: {}});
			}).then(function(address){
				if(address.substr(address.length - 3) === ".js") {
					address = address.substr(0, address.length - 3);
				}
				return address;
			});
	};

	var relative = function(base, path){
		var uriParts = path.split("/"),
			baseParts = base.split("/"),
			result = [];

		while ( uriParts.length && baseParts.length && uriParts[0] == baseParts[0] ) {
			uriParts.shift();
			baseParts.shift();
		}

		for(var i = 0 ; i< baseParts.length-1; i++) {
			result.push("../");
		}

		return result.join("") + uriParts.join("/");
	};

	var schemePattern = /(locate):\/\/([a-z0-9/._@-]*)/ig,
		parsePathSchemes = function(source, parent) {
			var locations = [];
			source.replace(schemePattern, function(whole, scheme, path, index){
				locations.push({
					start: index,
					end: index+whole.length,
					name: path,
					postLocate: function(address){
						return relative(parent, address);
					}
				});
			});
			return locations;
		};

	var _translate = loader.translate;
	loader.translate = function(load){
		var loader = this;

		// This only applies to plugin resources.
		if(!load.metadata.plugin) {
			return _translate.call(this, load);
		}

		// Use the translator if this file path scheme is supported by the plugin
		var locateSupport = load.metadata.plugin.locateScheme;
		if(!locateSupport) {
			return _translate.call(this, load);
		}

		// Parse array of module names
		var locations = parsePathSchemes(load.source, load.address);

		// no locations found
		if(!locations.length) {
			return _translate.call(this, load);
		}

		// normalize and locate all of the modules found and then replace those instances in the source.
		var promises = [];
		for(var i = 0, len = locations.length; i < len; i++) {
			promises.push(
				normalizeAndLocate.call(this, locations[i].name, load.name)
			);
		}
		return Promise.all(promises).then(function(addresses){
			for(var i = locations.length - 1; i >= 0; i--) {
				load.source = load.source.substr(0, locations[i].start)
					+ locations[i].postLocate(addresses[i])
					+ load.source.substr(locations[i].end, load.source.length);
			}
			return _translate.call(loader, load);
		});
	};
};

if(typeof System !== "undefined") {
	addLocate(System);
}

function addContextual(loader){
	if(loader._extensions) {
		loader._extensions.push(addContextual);
	}
	loader._contextualModules = {};

	loader.setContextual = function(moduleName, definer){
		this._contextualModules[moduleName] = definer;
	};

	var normalize = loader.normalize;
	loader.normalize = function(name, parentName){
		var loader = this;

		if (parentName) {
			var definer = this._contextualModules[name];

			// See if `name` is a contextual module
			if (definer) {
				name = name + '/' + parentName;

				if(!loader.has(name)) {
					// `definer` could be a function or could be a moduleName
					if (typeof definer === 'string') {
						definer = loader['import'](definer);
					}

					return Promise.resolve(definer)
					.then(function(definer) {
						if (definer['default']) {
							definer = definer['default'];
						}
						var definePromise = Promise.resolve(
							definer.call(loader, parentName)
						);
						return definePromise;
					})
					.then(function(moduleDef){
						loader.set(name, loader.newModule(moduleDef));
						return name;
					});
				}
				return Promise.resolve(name);
			}
		}

		return normalize.apply(this, arguments);
	};
}

if(typeof System !== "undefined") {
  addContextual(System);
}

var addScriptModule = function(loader) {
	// stolen from https://github.com/ModuleLoader/es6-module-loader/blob/master/src/module-tag.js

	function completed() {
		document.removeEventListener( "DOMContentLoaded", completed, false );
		window.removeEventListener( "load", completed, false );
		ready();
	}

	function ready() {
		var scripts = document.getElementsByTagName('script');
		for (var i = 0; i < scripts.length; i++) {
			var script = scripts[i];
			if (script.type == 'text/steal-module') {
				var source = script.innerHTML;
				if(/\S/.test(source)){
					loader.module(source)['catch'](function(err) { setTimeout(function() { throw err; }); });
				}
			}
		}
	}

	loader.loadScriptModules = function(){
		if(isBrowserWithWindow) {
			if (document.readyState === 'complete') {
				setTimeout(ready);
			} else if (document.addEventListener) {
				document.addEventListener('DOMContentLoaded', completed, false);
				window.addEventListener('load', completed, false);
			}
		}

	};
};

if(typeof System !== "undefined") {
	addScriptModule(System);
}
function applyTraceExtension(loader){
	if(loader._extensions) {
		loader._extensions.push(applyTraceExtension);
	}

	loader._traceData = {
		loads: {},
		parentMap: {}
	};

	loader.getDependencies = function(moduleName){
		var load = this.getModuleLoad(moduleName);
		return load ? load.metadata.dependencies : undefined;
	};
	loader.getDependants = function(moduleName){
		var deps = [];
		var pars = this._traceData.parentMap[moduleName] || {};
		eachOf(pars, function(name) { deps.push(name); });
		return deps;
	};
	loader.getModuleLoad = function(moduleName){
		return this._traceData.loads[moduleName];
	};
	loader.getBundles = function(moduleName, visited){
		visited = visited || {};
		visited[moduleName] = true;
		var loader = this;
		var parentMap = loader._traceData.parentMap;
		var parents = parentMap[moduleName];
		if(!parents) return [moduleName];

		var bundles = [];
		eachOf(parents, function(parentName, value){
			if(!visited[parentName])
				bundles = bundles.concat(loader.getBundles(parentName, visited));
		});
		return bundles;
	};
	loader._allowModuleExecution = {};
	loader.allowModuleExecution = function(name){
		var loader = this;
		return loader.normalize(name).then(function(name){
			loader._allowModuleExecution[name] = true;
		});
	};

	function eachOf(obj, callback){
		var name, val;
		for(name in obj) {
			callback(name, obj[name]);
		}
	}

	var normalize = loader.normalize;
	loader.normalize = function(name, parentName){
		var normalizePromise = normalize.apply(this, arguments);

		if(parentName) {
			var parentMap = this._traceData.parentMap;
			return normalizePromise.then(function(name){
				if(!parentMap[name]) {
					parentMap[name] = {};
				}
				parentMap[name][parentName] = true;
				return name;
			});
		}

		return normalizePromise;
	};

	var emptyExecute = function(){
		return loader.newModule({});
	};


	var passThroughModules = {
		traceur: true,
		babel: true
	};
	var isAllowedToExecute = function(load){
		return passThroughModules[load.name] || this._allowModuleExecution[load.name];
	};

	var map = [].map || function(callback){
		var res = [];
		for(var i = 0, len = this.length; i < len; i++) {
			res.push(callback(this[i]));
		}
		return res;
	};

	var esImportDepsExp = /import [\s\S]*?["'](.+)["']/g;
	var esExportDepsExp = /export .+ from ["'](.+)["']/g;
	var commentRegEx = /(^|[^\\])(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg;
	var stringRegEx = /(?:("|')[^\1\\\n\r]*(?:\\.[^\1\\\n\r]*)*\1|`[^`]*`)/g;

	function getESDeps(source) {
		esImportDepsExp.lastIndex = commentRegEx.lastIndex =
			esExportDepsExp.lastIndex = stringRegEx.lastIndex = 0;

		var deps = [];

		var match;

		// track string and comment locations for unminified source
		var stringLocations = [], commentLocations = [];

		function inLocation(locations, match) {
		  for (var i = 0; i < locations.length; i++)
			if (locations[i][0] < match.index && locations[i][1] > match.index)
			  return true;
		  return false;
		}

		function addDeps(exp) {
			while (match = exp.exec(source)) {
			  // ensure we're not within a string or comment location
			  if (!inLocation(stringLocations, match) && !inLocation(commentLocations, match)) {
				var dep = match[1];//.substr(1, match[1].length - 2);
				deps.push(dep);
			  }
			}
		}

		if (source.length / source.split('\n').length < 200) {
		  while (match = stringRegEx.exec(source))
			stringLocations.push([match.index, match.index + match[0].length]);

		  while (match = commentRegEx.exec(source)) {
			// only track comments not starting in strings
			if (!inLocation(stringLocations, match))
			  commentLocations.push([match.index, match.index + match[0].length]);
		  }
		}

		addDeps(esImportDepsExp);
		addDeps(esExportDepsExp);

		return deps;
	}

	var instantiate = loader.instantiate;
	loader.instantiate = function(load){
		this._traceData.loads[load.name] = load;
		var loader = this;
		var instantiatePromise = Promise.resolve(instantiate.apply(this, arguments));

		function finalizeResult(result){
			var preventExecution = loader.preventModuleExecution &&
				!isAllowedToExecute.call(loader, load);

			// deps either comes from the instantiate result, or if an
			// es6 module it was found in the transpile hook.
			var deps = result ? result.deps : load.metadata.deps;

			return Promise.all(map.call(deps, function(depName){
				return loader.normalize(depName, load.name);
			})).then(function(dependencies){
				load.metadata.deps = deps;
				load.metadata.dependencies = dependencies;

				if(preventExecution) {
					return {
						deps: deps,
						execute: emptyExecute
					};
				}

				return result;

			});
		}

		return instantiatePromise.then(function(result){
			// This must be es6
			if(!result) {
				var deps = getESDeps(load.source);
				load.metadata.deps = deps;
			}
			return finalizeResult(result);
		});
	};

	var transpile = loader.transpile;
	// Allow transpile to be memoized, but only once
	loader.transpile = function(load){
		var transpiled = load.metadata.transpiledSource;
		if(transpiled) {
			delete load.metadata.transpiledSource;
			return Promise.resolve(transpiled);
		}
		return transpile.apply(this, arguments);
	};

	loader.eachModule = function(cb){
		for (var moduleName in this._loader.modules) {
			cb.call(this, moduleName, this.get(moduleName));
		}
	};
}

if(typeof System !== "undefined") {
	applyTraceExtension(System);
}

/*
  SystemJS JSON Format
  Provides the JSON module format definition.
*/
function _SYSTEM_addJSON(loader) {
	var jsonTest = /^[\s\n\r]*[\{\[]/;
	var jsonExt = /\.json$/i;
	var jsExt = /\.js$/i;

	// Add the extension to _extensions so that it can be cloned.
	loader._extensions.push(_SYSTEM_addJSON);

	// if someone has a moduleName that is .json, make sure it loads a json file
	// no matter what paths might do
	var loaderLocate = loader.locate;
	loader.locate = function(load){
	  return loaderLocate.apply(this, arguments).then(function(address){
		if(jsonExt.test(load.name)) {
			return address.replace(jsExt, "");
		}

	    return address;
	  });
	};

	var transform = function(loader, load, data){
		var fn = loader.jsonOptions && loader.jsonOptions.transform;
		if(!fn) return data;
		return fn.call(loader, load, data);
	};

	// If we are in a build we should convert to CommonJS instead.
	if(isNode) {
		var loaderTranslate = loader.translate;
		loader.translate = function(load){
			var address = load.metadata.address || load.address;
			if(jsonExt.test(address) && load.name.indexOf('!') === -1) {
				var parsed = parse(load);
				if(parsed) {
					parsed = transform(this, load, parsed);
					return "def" + "ine([], function(){\n" +
						"\treturn " + JSON.stringify(parsed) + "\n});";
				}
			}

			return loaderTranslate.call(this, load);
		};
		return;
	}

	var loaderInstantiate = loader.instantiate;
	loader.instantiate = function(load) {
		var loader = this,
			parsed;

		parsed = parse(load);
		if(parsed) {
			parsed = transform(loader, load, parsed);
			load.metadata.format = 'json';

			load.metadata.execute = function(){
				return parsed;
			};
		}

		return loaderInstantiate.call(loader, load);
	};

	return loader;

	// Attempt to parse a load as json.
	function parse(load){
		if ( (load.metadata.format === 'json' || !load.metadata.format) && jsonTest.test(load.source)  ) {
			try {
				return JSON.parse(load.source);
			} catch(e) {
				warn("Error parsing " + load.address + ":", e);
				return {};
			}
		}

	}
}

if (typeof System !== "undefined") {
	_SYSTEM_addJSON(System);
}

	// Overwrites System.config with setter hooks
	var setterConfig = function(loader, configOrder, configSpecial){
		var oldConfig = loader.config;

		loader.config =  function(cfg){

			var data = extend({},cfg);
			// check each special
			each(configOrder, function(name){
				var special = configSpecial[name];
				// if there is a setter and a value
				if(special.set && data[name]){
					// call the setter
					var res = special.set.call(loader,data[name], cfg);
					// if the setter returns a value
					if(res !== undefined) {
						// set that on the loader
						loader[name] = res;
					}
					// delete the property b/c setting is done
					delete data[name];
				}
			});
			oldConfig.call(this, data);
		};
	};

	var setIfNotPresent = function(obj, prop, value){
		if(!obj[prop]) {
			obj[prop] = value;
		}
	};

	// steal.js's default configuration values
	System.configMain = "@config";
	System.paths[System.configMain] = "stealconfig.js";
	System.env = (isWebWorker ? "worker" : "window") + "-development";
	System.ext = {};
	System.logLevel = 0;
	var cssBundlesNameGlob = "bundles/*.css",
		jsBundlesNameGlob = "bundles/*";
	setIfNotPresent(System.paths,cssBundlesNameGlob, "dist/bundles/*css");
	setIfNotPresent(System.paths,jsBundlesNameGlob, "dist/bundles/*.js");

	var configSetter = function(order){
		return {
			order: order,
			set: function(val){
				var name = filename(val),
					root = dir(val);

				if(!isNode) {
					System.configPath = joinURIs( location.href, val);
				}
				System.configMain = name;
				System.paths[name] = name;
				this.config({ baseURL: (root === val ? "." : root) + "/" });
			}
		}
	},
		valueSetter = function(prop, order) {
			return {
				order: order,
				set: function(val) {
					this[prop] = val;
				}
			}
		},
		booleanSetter = function(prop, order) {
			return {
				order: order,
				set: function(val) {
					this[prop] = !!val;
				}
			}
		},
		fileSetter = function(prop, order) {
			return {
				order: order,
				set: function(val) {
					this[prop] = envPath(val);
				}
			};
		};

	// checks if we're running in node, then prepends the "file:" protocol if we are
	var envPath = function(val) {
		if(isNode && !/^file:/.test(val)) {
			// If relative join with the current working directory
			if(val[0] === "." && (val[1] === "/" ||
								 (val[1] === "." && val[2] === "/"))) {
				val = require("path").join(process.cwd(), val);
			}
			if(!val) return val;

			return "file:" + val;
		}
		return val;
	};

	var setToSystem = function(prop){
		return {
			set: function(val){
				if(typeof val === "object" && typeof steal.System[prop] === "object") {
					this[prop] = extend(this[prop] || {},val || {});
				} else {
					this[prop] = val;
				}
			}
		};
	};

	var pluginPart = function(name) {
		var bang = name.lastIndexOf("!");
		if(bang !== -1) {
			return name.substr(bang+1);
		}
	};

	var pluginResource = function(name){
		var bang = name.lastIndexOf("!");
		if(bang !== -1) {
			return name.substr(0, bang);
		}
	};

	var addProductionBundles = function(){
		// we don't want add the main bundled module if steal is bundled inside!
		if(this.loadBundles && this.main && !this.stealBundled) {
			var main = this.main,
				bundlesDir = this.bundlesName || "bundles/",
				mainBundleName = bundlesDir+main;

			setIfNotPresent(this.meta, mainBundleName, {format:"amd"});

			// If the configMain has a plugin like package.json!npm,
			// plugin has to be defined prior to importing.
			var plugin = pluginPart(System.configMain);
			var bundle = [main, System.configMain];
			if(plugin){
				System.set(plugin, System.newModule({}));
			}
			plugin = pluginPart(main);
			if(plugin) {
				var resource = pluginResource(main);
				bundle.push(plugin);
				bundle.push(resource);

				mainBundleName = bundlesDir+resource.substr(0, resource.indexOf("."));
			}

			this.bundles[mainBundleName] = bundle;
		}
	};

	var setEnvsConfig = function(){
		if(this.envs) {
			var envConfig = this.envs[this.env];
			if(envConfig) {
				this.config(envConfig);
			}
		}
	};

	var setupLiveReload = function(){
		if(this.liveReloadInstalled) {
			var loader = this;
			this["import"]("live-reload", {
				name: "@@steal"
			}).then(function(reload){
				reload(loader.configMain, function(){
					setEnvsConfig.call(loader);
				});
			});
		}
	};

	var specialConfigOrder = [];
	var envsSpecial = { map: true, paths: true, meta: true };
	var specialConfig = {
		instantiated: {
			order: 1,
			set: function(val){
				var loader = this;

				each(val || {}, function(value, name){
					loader.set(name,  loader.newModule(value));
				});
			}
		},
		envs: {
			order: 2,
			set: function(val){
				// envs should be set, deep
				var envs = this.envs;
				if(!envs) envs = this.envs = {};
				each(val, function(cfg, name){
					var env = envs[name];
					if(!env) env = envs[name] = {};

					each(cfg, function(val, name){
						if(envsSpecial[name] && env[name]) {
							extend(env[name], val);
						} else {
							env[name] = val;
						}
					});
				});
			}
		},
		env: {
			order: 3,
			set: function(val){
				this.env = val;

				if(this.isEnv("production")) {
					this.loadBundles = true;
				}
			}
		},
		loadBundles: booleanSetter("loadBundles", 4),
		stealBundled: booleanSetter("stealBundled", 5),
		// System.config does not like being passed arrays.
		bundle: {
			order: 6,
			set: function(val){
				System.bundle = val;
			}
		},
		bundlesPath: {
			order: 7,
			set: function(val){
				this.paths[cssBundlesNameGlob] = val+"/*css";
				this.paths[jsBundlesNameGlob]  = val+"/*.js";
				return val;
			}
		},
		meta: {
			order: 8,
			set: function(cfg){
				var loader = this;
				each(cfg || {}, function(value, name){
					if(typeof value !== "object") {
						return;
					}
					var cur = loader.meta[name];
					if(cur && cur.format === value.format) {
						// Keep the deps, if we have any
						var deps = value.deps;
						extend(value, cur);
						if(deps) {
							value.deps = deps;
						}
					}
				});
				extend(this.meta, cfg);
			}
		},
		configMain: valueSetter("configMain", 9),
		config: configSetter(10),
		configPath: configSetter(11),
		baseURL: fileSetter("baseURL", 12),
		main: valueSetter("main", 13),
		// this gets called with the __dirname steal is in
		// directly called from steal-tools
		stealPath: {
			order: 14,
			set: function(dirname, cfg) {
				dirname = envPath(dirname);
				var parts = dirname.split("/");

				// steal keeps this around to make things easy no matter how you are using it.
				setIfNotPresent(this.paths,"@dev", dirname+"/ext/dev.js");
				setIfNotPresent(this.paths,"npm", dirname+"/ext/npm.js");
				setIfNotPresent(this.paths,"npm-extension", dirname+"/ext/npm-extension.js");
				setIfNotPresent(this.paths,"npm-utils", dirname+"/ext/npm-utils.js");
				setIfNotPresent(this.paths,"npm-crawl", dirname+"/ext/npm-crawl.js");
				setIfNotPresent(this.paths,"npm-load", dirname+"/ext/npm-load.js");
				setIfNotPresent(this.paths,"npm-convert", dirname+"/ext/npm-convert.js");
				setIfNotPresent(this.paths,"semver", dirname+"/ext/semver.js");
				setIfNotPresent(this.paths,"bower", dirname+"/ext/bower.js");
				setIfNotPresent(this.paths,"live-reload", dirname+"/ext/live-reload.js");
				setIfNotPresent(this.paths,"steal-clone", dirname+"/ext/steal-clone.js");
				this.paths["traceur"] = dirname+"/ext/traceur.js";
				this.paths["traceur-runtime"] = dirname+"/ext/traceur-runtime.js";
				this.paths["babel"] = dirname+"/ext/babel.js";
				this.paths["babel-runtime"] = dirname+"/ext/babel-runtime.js";
				setIfNotPresent(this.meta,"traceur",{"exports":"traceur"});

				// steal-clone is contextual so it can override modules using relative paths
				this.setContextual('steal-clone', 'steal-clone');

				if(isNode) {
					if(this.configMain === "@config" && last(parts) === "steal") {
						parts.pop();
						if(last(parts) === "node_modules") {
							this.configMain = "package.json!npm";
							addProductionBundles.call(this);
							parts.pop();
						}
					}

				} else {
					// make sure we don't set baseURL if it already set
					if(!cfg.baseURL && !cfg.config && !cfg.configPath) {

						// if we loading steal.js and it is located in node_modules or bower_components
						// we rewrite the baseURL relative to steal.js (one directory up!)
						// we do this because, normaly our app is located as a sibling folder to
						// node_modules or bower_components
						if ( last(parts) === "steal" ) {
							parts.pop();
							var isFromPackage = false;
							if ( last(parts) === cfg.bowerPath || last(parts) === "bower_components" ) {
								System.configMain = "bower.json!bower";
								addProductionBundles.call(this);
								parts.pop();
								isFromPackage = true;
							}
							if (last(parts) === "node_modules") {
								System.configMain = "package.json!npm";
								addProductionBundles.call(this);
								parts.pop();
								isFromPackage = true;
							}
							if(!isFromPackage) {
								parts.push("steal");
							}
						}
						this.config({ baseURL: parts.join("/")+"/"});
					}
				}
				System.stealPath = dirname;
			}
		},
		stealURL: {
			order: 15,
			// http://domain.com/steal/steal.js?moduleName,env&
			set: function(url, cfg)	{
				var urlParts = url.split("?"),
					path = urlParts.shift(),
					paths = path.split("/"),
					lastPart = paths.pop(),
					stealPath = paths.join("/"),
					platform = this.getPlatform() || (isWebWorker ? "worker" : "window");

				System.stealURL = path;

				// if steal is bundled or we are loading steal.production
				// we always are in production environment
				if((this.stealBundled && this.stealBundled === true) ||
					(lastPart.indexOf("steal.production") > -1 && !cfg.env)) {
					this.config({ env: platform+"-production" });
				}

				if(this.isEnv("production") || this.loadBundles) {
					addProductionBundles.call(this);
				}

				specialConfig.stealPath.set.call(this,stealPath, cfg);

			}
		}
	}

	/*
	 make a setter order
	 currently:

	 instantiated
	 envs
	 env
	 loadBundles
	 stealBundled
	 bundle
	 bundlesPath
	 meta
	 config
	 configPath
	 baseURL
	 main
	 stealPath
	 stealURL
	 */
	each(specialConfig, function(setter, name){
		if(!setter.order) {
			specialConfigOrder.push(name)
		}else{
			specialConfigOrder.splice(setter.order, 0, name);
		}
	});

	// special setter config
	setterConfig(System, specialConfigOrder, specialConfig);

	steal.config = function(cfg){
		if(typeof cfg === "string") {
			return this.loader[cfg];
		} else {
			this.loader.config(cfg);
		}
	};

if(typeof System !== "undefined") {
	addEnv(System);
}

function addEnv(loader){
	// Add the extension to _extensions so that it can be cloned.
	loader._extensions.push(addEnv);

	loader.getEnv = function(){
		var envParts = (this.env || "").split("-");
		// Fallback to this.env for legacy
		return envParts[1] || this.env;
	};
	loader.getPlatform = function(){
		var envParts = (this.env || "").split("-");
		return envParts.length === 2 ? envParts[0] : undefined;
	};

	loader.isEnv = function(name){
		return this.getEnv() === name;
	};

	loader.isPlatform = function(name){
		return this.getPlatform() === name;
	};
}

	// get config by the URL query
	// like ?main=foo&env=production
	// formally used for Webworkers
	var getQueryOptions = function(url) {
		var queryOptions = {},
			urlRegEx = /Url$/,
			urlParts = url.split("?"),
			path = urlParts.shift(),
			search = urlParts.join("?"),
			searchParts = search.split("&"),
			paths = path.split("/"),
			lastPart = paths.pop(),
			stealPath = paths.join("/");

		if(searchParts.length && searchParts[0].length) {
				var searchPart;
			for(var i =0; i < searchParts.length; i++) {
				searchPart = searchParts[i];
				var paramParts = searchPart.split("=");
				if(paramParts.length > 1) {
					var optionName = camelize(paramParts[0]);
					// make options uniform e.g. baseUrl => baseURL
					optionName = optionName.replace(urlRegEx, "URL")
					queryOptions[optionName] = paramParts.slice(1).join("=");
				}
			}
		}
		return queryOptions;
	};

	// extract the script tag options
	var getScriptOptions = function (script) {
		var scriptOptions = {},
			urlRegEx = /Url$/;

		scriptOptions.stealURL = script.src;

		each(script.attributes, function(attr){
			// get option, remove "data" and camelize
			var optionName =
				camelize( attr.nodeName.indexOf("data-") === 0 ?
					attr.nodeName.replace("data-","") :
					attr.nodeName );
			// make options uniform e.g. baseUrl => baseURL
			optionName = optionName.replace(urlRegEx, "URL")
			scriptOptions[optionName] = (attr.value === "") ? true : attr.value;
		});

		// main source within steals script is deprecated
		// and will be removed in future releases
		var source = script.innerHTML;
		if(/\S/.test(source)){
			scriptOptions.mainSource = source;
		}
		// script config ever wins!
		return extend(getQueryOptions(script.src), scriptOptions);
	};

	// get steal URL
	// if we are in a browser, we need to know which script is steal
	// to extract the script tag options => getScriptOptions()
	var getUrlOptions = function (){
		return new Promise(function(resolve, reject){

			// for Workers get options from steal query
			if (isWebWorker) {
				resolve(extend({
					stealURL: location.href
				}, getQueryOptions(location.href)));
				return;
			} else if(isBrowserWithWindow || isNW) {
				// if the browser supports currentScript, us it!
				if (document.currentScript) {
					// get options from script tag and query
					resolve(getScriptOptions(document.currentScript));
					return;
				}

				// dealing with async & deferred scripts
				// set an onload handler for all script tags and the first one which executes
				// is your stealjs
				var scripts = document.scripts;
				var isStealSrc = /steal/;
				function onLoad(e) {
					var target = e.target || event.target;
					if(target.src && isStealSrc.test(target.src)) {
						for (var i = 0; i < scripts.length; ++i) {
							scripts[i].removeEventListener('load', onLoad, false);
						}

						resolve(getScriptOptions(target));
					}
				}
				var script;
				var finishedReadyStates = { "complete": true, "interactive": true };
				for (var i = 0; i < scripts.length; ++i) {
					script = scripts[i];
					if(finishedReadyStates[script.readyState]) {
						onLoad({ target: script });
					} else {
						script.addEventListener('load', onLoad, false);
					}
				}

			} else {
				// or the only option is where steal is.
				resolve({
					stealPath: __dirname
				});
			}
		})
	};

	// configure and startup steal
	// load the main module(s) if everything is configured
	steal.startup = function(config){
		var steal = this;
		var loader = this.loader;
		var configResolve;
		var configReject;

		configPromise = new Promise(function(resolve, reject){
			configResolve = resolve;
			configReject = reject;
		});

		appPromise = getUrlOptions().then(function(urlOptions) {

			if (typeof config === 'object') {
				// the url options are the source of truth
				config = extend(config, urlOptions);
			} else {
				config = urlOptions;
			}

			// set the config
			loader.config(config);

			setEnvsConfig.call(loader);

			// we only load things with force = true
			if (loader.loadBundles) {

				if (!loader.main && loader.isEnv("production") &&
					!loader.stealBundled) {
					// prevent this warning from being removed by Uglify
					warn("Attribute 'main' is required in production environment. Please add it to the script tag.");
				}

				loader["import"](loader.configMain)
				.then(configResolve, configReject);

				return configPromise.then(function (cfg) {
					setEnvsConfig.call(loader);
					return loader.main ? loader["import"](loader.main) : cfg;
				});

			} else {
				loader["import"](loader.configMain)
				.then(configResolve, configReject);

				devPromise = configPromise.then(function () {
					setEnvsConfig.call(loader);
					setupLiveReload.call(loader);

					// If a configuration was passed to startup we'll use that to overwrite
					// what was loaded in stealconfig.js
					// This means we call it twice, but that's ok
					if (config) {
						loader.config(config);
					}

					return loader["import"]("@dev");
				});

				return devPromise.then(function () {
					// if there's a main, get it, otherwise, we are just loading
					// the config.
					if (!loader.main || loader.env === "build") {
						return configPromise;
					}
					var main = loader.main;
					if (typeof main === "string") {
						main = [main];
					}
					return Promise.all(map(main, function (main) {
						return loader["import"](main);
					}));
				});
			}
		}).then(function(){
			if(loader.mainSource) {
				return loader.module(loader.mainSource);
			}

			// load script modules they are tagged as
			// text/steal-module
			return loader.loadScriptModules();
		});

		return appPromise;
	};
	steal.done = function(){
		return appPromise;
	};


	System.setContextual("@node-require", function(name){
		if(isNode) {
			var nodeRequire = require;
			var load = {name: name, metadata: {}};
			return this.locate(load).then(function(address){
				var url = address.replace("file:", "");
				return {
					"default": function(specifier){
						var resolve = nodeRequire("resolve");
						var res = resolve.sync(specifier, {
							basedir: nodeRequire("path").dirname(url)
						});
						return nodeRequire(res);
					},
					__useDefault: true
				};
			});
		} else {
			return {
				"default": function(){},
				__useDefault: true
			}
		}
	});

	steal["import"] = function(){
		var names = arguments;
		var loader = this.System;

		function afterConfig(){
			var imports = [];
			each(names, function(name){
				imports.push(loader["import"](name));
			});
			if(imports.length > 1) {
				return Promise.all(imports);
			} else {
				return imports[0];
			}
		}

		if(!configPromise) {
			// In Node a main isn't required, but we still want
			// to call startup() to do autoconfiguration,
			// so setting to empty allows this to work.
			if(!loader.main) {
				loader.main = "@empty";
			}
			steal.startup();
		}

		return configPromise.then(afterConfig);
	};
	steal.setContextual = fBind.call(System.setContextual, System);
	steal.isEnv = fBind.call(System.isEnv, System);
	steal.isPlatform = fBind.call(System.isPlatform, System);
	return steal;

};
/*
  SystemJS Steal Format
  Provides the Steal module format definition.
*/
function addSteal(loader) {
	if (loader._extensions) {
		loader._extensions.push(addSteal);
	}

  // Steal Module Format Detection RegEx
  // steal(module, ...)
  var stealRegEx = /(?:^\s*|[}{\(\);,\n\?\&]\s*)steal\s*\(\s*((?:"[^"]+"\s*,|'[^']+'\s*,\s*)*)/;

  // What we stole.
  var stealInstantiateResult;
  
  function createSteal(loader) {
    stealInstantiateResult = null;

    // ensure no NodeJS environment detection
    loader.global.module = undefined;
    loader.global.exports = undefined;

    function steal() {
      var deps = [];
      var factory;
      
      for( var i = 0; i < arguments.length; i++ ) {
        if (typeof arguments[i] === 'string') {
          deps.push( normalize(arguments[i]) );
        } else {
          factory = arguments[i];
        }
      }

      if (typeof factory !== 'function') {
        factory = (function(factory) {
          return function() { return factory; };
        })(factory);
      }

      stealInstantiateResult = {
        deps: deps,
        execute: function(require, exports, moduleName) {

          var depValues = [];
          for (var i = 0; i < deps.length; i++) {
            depValues.push(require(deps[i]));
          }

          var output = factory.apply(loader.global, depValues);

          if (typeof output !== 'undefined') {
            return output;
          }
        }
      };
    }

    loader.global.steal = steal;
  }

  var loaderInstantiate = loader.instantiate;
  loader.instantiate = function(load) {
    var loader = this;

    if (load.metadata.format === 'steal' || !load.metadata.format && load.source.match(stealRegEx)) {
      load.metadata.format = 'steal';

      var oldSteal = loader.global.steal;

      createSteal(loader);

      loader.__exec(load);

      loader.global.steal = oldSteal;

      if (!stealInstantiateResult) {
        throw "Steal module " + load.name + " did not call steal";
      }

      if (stealInstantiateResult) {
        load.metadata.deps = load.metadata.deps ? load.metadata.deps.concat(stealInstantiateResult.deps) : stealInstantiateResult.deps;
        load.metadata.execute = stealInstantiateResult.execute;
      }
    }
    return loaderInstantiate.call(loader, load);
  };

  return loader;
}

if (typeof System !== "undefined") {
  addSteal(System);
}

	if( isNode && !isNW ) {
		require('steal-systemjs');

		global.steal = makeSteal(System);
		global.steal.System = System;
		global.steal.dev = require("./ext/dev.js");
		steal.clone = cloneSteal;
		module.exports = global.steal;
		global.steal.addSteal = addSteal;

	} else {
		var oldSteal = global.steal;
		global.steal = makeSteal(System);
		global.steal.startup(oldSteal && typeof oldSteal == 'object' && oldSteal)
			.then(null, function(error){
				if(typeof console !== "undefined") {
					// Hide from uglify
					var c = console;
					var type = c.error ? "error" : "log";
					c[type](error, error.stack);
				}
			});
		global.steal.clone = cloneSteal;
		global.steal.addSteal = addSteal;
	}

})(typeof window == "undefined" ? (typeof global === "undefined" ? this : global) : window);