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/** vim: et:ts=4:sw=4:sts=4 * @license RequireJS 2.1.20 Copyright (c) 2010-2015, The Dojo Foundation All Rights Reserved. * Available via the MIT or new BSD license. * see: http://github.com/jrburke/requirejs for details */ //Not using strict: uneven strict support in browsers, #392, and causes //problems with requirejs.exec()/transpiler plugins that may not be strict. /*jslint regexp: true, nomen: true, sloppy: true */ /*global window, navigator, document, importScripts, setTimeout, opera */ var requirejs, require, define; (function (global) { var req, s, head, baseElement, dataMain, src, interactiveScript, currentlyAddingScript, mainScript, subPath, version = '2.1.20', commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg, cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g, jsSuffixRegExp = /\.js$/, currDirRegExp = /^\.\//, op = Object.prototype, ostring = op.toString, hasOwn = op.hasOwnProperty, ap = Array.prototype, isBrowser = !!(typeof window !== 'undefined' && typeof navigator !== 'undefined' && window.document), isWebWorker = !isBrowser && typeof importScripts !== 'undefined', //PS3 indicates loaded and complete, but need to wait for complete //specifically. Sequence is 'loading', 'loaded', execution, // then 'complete'. The UA check is unfortunate, but not sure how //to feature test w/o causing perf issues. readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ? /^complete$/ : /^(complete|loaded)$/, defContextName = '_', //Oh the tragedy, detecting opera. See the usage of isOpera for reason. isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]', contexts = {}, cfg = {}, globalDefQueue = [], useInteractive = false; function isFunction(it) { return ostring.call(it) === '[object Function]'; } function isArray(it) { return ostring.call(it) === '[object Array]'; } /** * Helper function for iterating over an array. If the func returns * a true value, it will break out of the loop. */ function each(ary, func) { if (ary) { var i; for (i = 0; i < ary.length; i += 1) { if (ary[i] && func(ary[i], i, ary)) { break; } } } } /** * Helper function for iterating over an array backwards. If the func * returns a true value, it will break out of the loop. */ function eachReverse(ary, func) { if (ary) { var i; for (i = ary.length - 1; i > -1; i -= 1) { if (ary[i] && func(ary[i], i, ary)) { break; } } } } function hasProp(obj, prop) { return hasOwn.call(obj, prop); } function getOwn(obj, prop) { return hasProp(obj, prop) && obj[prop]; } /** * Cycles over properties in an object and calls a function for each * property value. If the function returns a truthy value, then the * iteration is stopped. */ function eachProp(obj, func) { var prop; for (prop in obj) { if (hasProp(obj, prop)) { if (func(obj[prop], prop)) { break; } } } } /** * Simple function to mix in properties from source into target, * but only if target does not already have a property of the same name. */ function mixin(target, source, force, deepStringMixin) { if (source) { eachProp(source, function (value, prop) { if (force || !hasProp(target, prop)) { if (deepStringMixin && typeof value === 'object' && value && !isArray(value) && !isFunction(value) && !(value instanceof RegExp)) { if (!target[prop]) { target[prop] = {}; } mixin(target[prop], value, force, deepStringMixin); } else { target[prop] = value; } } }); } return target; } //Similar to Function.prototype.bind, but the 'this' object is specified //first, since it is easier to read/figure out what 'this' will be. function bind(obj, fn) { return function () { return fn.apply(obj, arguments); }; } function scripts() { return document.getElementsByTagName('script'); } function defaultOnError(err) { throw err; } //Allow getting a global that is expressed in //dot notation, like 'a.b.c'. function getGlobal(value) { if (!value) { return value; } var g = global; each(value.split('.'), function (part) { g = g[part]; }); return g; } /** * Constructs an error with a pointer to an URL with more information. * @param {String} id the error ID that maps to an ID on a web page. * @param {String} message human readable error. * @param {Error} [err] the original error, if there is one. * * @returns {Error} */ function makeError(id, msg, err, requireModules) { var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id); e.requireType = id; e.requireModules = requireModules; if (err) { e.originalError = err; } return e; } if (typeof define !== 'undefined') { //If a define is already in play via another AMD loader, //do not overwrite. return; } if (typeof requirejs !== 'undefined') { if (isFunction(requirejs)) { //Do not overwrite an existing requirejs instance. return; } cfg = requirejs; requirejs = undefined; } //Allow for a require config object if (typeof require !== 'undefined' && !isFunction(require)) { //assume it is a config object. cfg = require; require = undefined; } function newContext(contextName) { var inCheckLoaded, Module, context, handlers, checkLoadedTimeoutId, config = { //Defaults. Do not set a default for map //config to speed up normalize(), which //will run faster if there is no default. waitSeconds: 7, baseUrl: './', paths: {}, bundles: {}, pkgs: {}, shim: {}, config: {} }, registry = {}, //registry of just enabled modules, to speed //cycle breaking code when lots of modules //are registered, but not activated. enabledRegistry = {}, undefEvents = {}, defQueue = [], defined = {}, urlFetched = {}, bundlesMap = {}, requireCounter = 1, unnormalizedCounter = 1; /** * Trims the . and .. from an array of path segments. * It will keep a leading path segment if a .. will become * the first path segment, to help with module name lookups, * which act like paths, but can be remapped. But the end result, * all paths that use this function should look normalized. * NOTE: this method MODIFIES the input array. * @param {Array} ary the array of path segments. */ function trimDots(ary) { var i, part; for (i = 0; i < ary.length; i++) { part = ary[i]; if (part === '.') { ary.splice(i, 1); i -= 1; } else if (part === '..') { // If at the start, or previous value is still .., // keep them so that when converted to a path it may // still work when converted to a path, even though // as an ID it is less than ideal. In larger point // releases, may be better to just kick out an error. if (i === 0 || (i === 1 && ary[2] === '..') || ary[i - 1] === '..') { continue; } else if (i > 0) { ary.splice(i - 1, 2); i -= 2; } } } } /** * Given a relative module name, like ./something, normalize it to * a real name that can be mapped to a path. * @param {String} name the relative name * @param {String} baseName a real name that the name arg is relative * to. * @param {Boolean} applyMap apply the map config to the value. Should * only be done if this normalization is for a dependency ID. * @returns {String} normalized name */ function normalize(name, baseName, applyMap) { var pkgMain, mapValue, nameParts, i, j, nameSegment, lastIndex, foundMap, foundI, foundStarMap, starI, normalizedBaseParts, baseParts = (baseName && baseName.split('/')), map = config.map, starMap = map && map['*']; //Adjust any relative paths. if (name) { name = name.split('/'); lastIndex = name.length - 1; // If wanting node ID compatibility, strip .js from end // of IDs. Have to do this here, and not in nameToUrl // because node allows either .js or non .js to map // to same file. if (config.nodeIdCompat && jsSuffixRegExp.test(name[lastIndex])) { name[lastIndex] = name[lastIndex].replace(jsSuffixRegExp, ''); } // Starts with a '.' so need the baseName if (name[0].charAt(0) === '.' && baseParts) { //Convert baseName to array, and lop off the last part, //so that . matches that 'directory' and not name of the baseName's //module. For instance, baseName of 'one/two/three', maps to //'one/two/three.js', but we want the directory, 'one/two' for //this normalization. normalizedBaseParts = baseParts.slice(0, baseParts.length - 1); name = normalizedBaseParts.concat(name); } trimDots(name); name = name.join('/'); } //Apply map config if available. if (applyMap && map && (baseParts || starMap)) { nameParts = name.split('/'); outerLoop: for (i = nameParts.length; i > 0; i -= 1) { nameSegment = nameParts.slice(0, i).join('/'); if (baseParts) { //Find the longest baseName segment match in the config. //So, do joins on the biggest to smallest lengths of baseParts. for (j = baseParts.length; j > 0; j -= 1) { mapValue = getOwn(map, baseParts.slice(0, j).join('/')); //baseName segment has config, find if it has one for //this name. if (mapValue) { mapValue = getOwn(mapValue, nameSegment); if (mapValue) { //Match, update name to the new value. foundMap = mapValue; foundI = i; break outerLoop; } } } } //Check for a star map match, but just hold on to it, //if there is a shorter segment match later in a matching //config, then favor over this star map. if (!foundStarMap && starMap && getOwn(starMap, nameSegment)) { foundStarMap = getOwn(starMap, nameSegment); starI = i; } } if (!foundMap && foundStarMap) { foundMap = foundStarMap; foundI = starI; } if (foundMap) { nameParts.splice(0, foundI, foundMap); name = nameParts.join('/'); } } // If the name points to a package's name, use // the package main instead. pkgMain = getOwn(config.pkgs, name); return pkgMain ? pkgMain : name; } function removeScript(name) { if (isBrowser) { each(scripts(), function (scriptNode) { if (scriptNode.getAttribute('data-requiremodule') === name && scriptNode.getAttribute('data-requirecontext') === context.contextName) { scriptNode.parentNode.removeChild(scriptNode); return true; } }); } } function hasPathFallback(id) { var pathConfig = getOwn(config.paths, id); if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) { //Pop off the first array value, since it failed, and //retry pathConfig.shift(); context.require.undef(id); //Custom require that does not do map translation, since //ID is "absolute", already mapped/resolved. context.makeRequire(null, { skipMap: true })([id]); return true; } } //Turns a plugin!resource to [plugin, resource] //with the plugin being undefined if the name //did not have a plugin prefix. function splitPrefix(name) { var prefix, index = name ? name.indexOf('!') : -1; if (index > -1) { prefix = name.substring(0, index); name = name.substring(index + 1, name.length); } return [prefix, name]; } /** * Creates a module mapping that includes plugin prefix, module * name, and path. If parentModuleMap is provided it will * also normalize the name via require.normalize() * * @param {String} name the module name * @param {String} [parentModuleMap] parent module map * for the module name, used to resolve relative names. * @param {Boolean} isNormalized: is the ID already normalized. * This is true if this call is done for a define() module ID. * @param {Boolean} applyMap: apply the map config to the ID. * Should only be true if this map is for a dependency. * * @returns {Object} */ function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) { var url, pluginModule, suffix, nameParts, prefix = null, parentName = parentModuleMap ? parentModuleMap.name : null, originalName = name, isDefine = true, normalizedName = ''; //If no name, then it means it is a require call, generate an //internal name. if (!name) { isDefine = false; name = '_@r' + (requireCounter += 1); } nameParts = splitPrefix(name); prefix = nameParts[0]; name = nameParts[1]; if (prefix) { prefix = normalize(prefix, parentName, applyMap); pluginModule = getOwn(defined, prefix); } //Account for relative paths if there is a base name. if (name) { if (prefix) { if (pluginModule && pluginModule.normalize) { //Plugin is loaded, use its normalize method. normalizedName = pluginModule.normalize(name, function (name) { return normalize(name, parentName, applyMap); }); } else { // If nested plugin references, then do not try to // normalize, as it will not normalize correctly. This // places a restriction on resourceIds, and the longer // term solution is not to normalize until plugins are // loaded and all normalizations to allow for async // loading of a loader plugin. But for now, fixes the // common uses. Details in #1131 normalizedName = name.indexOf('!') === -1 ? normalize(name, parentName, applyMap) : name; } } else { //A regular module. normalizedName = normalize(name, parentName, applyMap); //Normalized name may be a plugin ID due to map config //application in normalize. The map config values must //already be normalized, so do not need to redo that part. nameParts = splitPrefix(normalizedName); prefix = nameParts[0]; normalizedName = nameParts[1]; isNormalized = true; url = context.nameToUrl(normalizedName); } } //If the id is a plugin id that cannot be determined if it needs //normalization, stamp it with a unique ID so two matching relative //ids that may conflict can be separate. suffix = prefix && !pluginModule && !isNormalized ? '_unnormalized' + (unnormalizedCounter += 1) : ''; return { prefix: prefix, name: normalizedName, parentMap: parentModuleMap, unnormalized: !!suffix, url: url, originalName: originalName, isDefine: isDefine, id: (prefix ? prefix + '!' + normalizedName : normalizedName) + suffix }; } function getModule(depMap) { var id = depMap.id, mod = getOwn(registry, id); if (!mod) { mod = registry[id] = new context.Module(depMap); } return mod; } function on(depMap, name, fn) { var id = depMap.id, mod = getOwn(registry, id); if (hasProp(defined, id) && (!mod || mod.defineEmitComplete)) { if (name === 'defined') { fn(defined[id]); } } else { mod = getModule(depMap); if (mod.error && name === 'error') { fn(mod.error); } else { mod.on(name, fn); } } } function onError(err, errback) { var ids = err.requireModules, notified = false; if (errback) { errback(err); } else { each(ids, function (id) { var mod = getOwn(registry, id); if (mod) { //Set error on module, so it skips timeout checks. mod.error = err; if (mod.events.error) { notified = true; mod.emit('error', err); } } }); if (!notified) { req.onError(err); } } } /** * Internal method to transfer globalQueue items to this context's * defQueue. */ function takeGlobalQueue() { //Push all the globalDefQueue items into the context's defQueue if (globalDefQueue.length) { each(globalDefQueue, function(queueItem) { var id = queueItem[0]; if (typeof id === 'string') { context.defQueueMap[id] = true; } defQueue.push(queueItem); }); globalDefQueue = []; } } handlers = { 'require': function (mod) { if (mod.require) { return mod.require; } else { return (mod.require = context.makeRequire(mod.map)); } }, 'exports': function (mod) { mod.usingExports = true; if (mod.map.isDefine) { if (mod.exports) { return (defined[mod.map.id] = mod.exports); } else { return (mod.exports = defined[mod.map.id] = {}); } } }, 'module': function (mod) { if (mod.module) { return mod.module; } else { return (mod.module = { id: mod.map.id, uri: mod.map.url, config: function () { return getOwn(config.config, mod.map.id) || {}; }, exports: mod.exports || (mod.exports = {}) }); } } }; function cleanRegistry(id) { //Clean up machinery used for waiting modules. delete registry[id]; delete enabledRegistry[id]; } function breakCycle(mod, traced, processed) { var id = mod.map.id; if (mod.error) { mod.emit('error', mod.error); } else { traced[id] = true; each(mod.depMaps, function (depMap, i) { var depId = depMap.id, dep = getOwn(registry, depId); //Only force things that have not completed //being defined, so still in the registry, //and only if it has not been matched up //in the module already. if (dep && !mod.depMatched[i] && !processed[depId]) { if (getOwn(traced, depId)) { mod.defineDep(i, defined[depId]); mod.check(); //pass false? } else { breakCycle(dep, traced, processed); } } }); processed[id] = true; } } function checkLoaded() { var err, usingPathFallback, waitInterval = config.waitSeconds * 1000, //It is possible to disable the wait interval by using waitSeconds of 0. expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(), noLoads = [], reqCalls = [], stillLoading = false, needCycleCheck = true; //Do not bother if this call was a result of a cycle break. if (inCheckLoaded) { return; } inCheckLoaded = true; //Figure out the state of all the modules. eachProp(enabledRegistry, function (mod) { var map = mod.map, modId = map.id; //Skip things that are not enabled or in error state. if (!mod.enabled) { return; } if (!map.isDefine) { reqCalls.push(mod); } if (!mod.error) { //If the module should be executed, and it has not //been inited and time is up, remember it. if (!mod.inited && expired) { if (hasPathFallback(modId)) { usingPathFallback = true; stillLoading = true; } else { noLoads.push(modId); removeScript(modId); } } else if (!mod.inited && mod.fetched && map.isDefine) { stillLoading = true; if (!map.prefix) { //No reason to keep looking for unfinished //loading. If the only stillLoading is a //plugin resource though, keep going, //because it may be that a plugin resource //is waiting on a non-plugin cycle. return (needCycleCheck = false); } } } }); if (expired && noLoads.length) { //If wait time expired, throw error of unloaded modules. err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads); err.contextName = context.contextName; return onError(err); } //Not expired, check for a cycle. if (needCycleCheck) { each(reqCalls, function (mod) { breakCycle(mod, {}, {}); }); } //If still waiting on loads, and the waiting load is something //other than a plugin resource, or there are still outstanding //scripts, then just try back later. if ((!expired || usingPathFallback) && stillLoading) { //Something is still waiting to load. Wait for it, but only //if a timeout is not already in effect. if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) { checkLoadedTimeoutId = setTimeout(function () { checkLoadedTimeoutId = 0; checkLoaded(); }, 50); } } inCheckLoaded = false; } Module = function (map) { this.events = getOwn(undefEvents, map.id) || {}; this.map = map; this.shim = getOwn(config.shim, map.id); this.depExports = []; this.depMaps = []; this.depMatched = []; this.pluginMaps = {}; this.depCount = 0; /* this.exports this.factory this.depMaps = [], this.enabled, this.fetched */ }; Module.prototype = { init: function (depMaps, factory, errback, options) { options = options || {}; //Do not do more inits if already done. Can happen if there //are multiple define calls for the same module. That is not //a normal, common case, but it is also not unexpected. if (this.inited) { return; } this.factory = factory; if (errback) { //Register for errors on this module. this.on('error', errback); } else if (this.events.error) { //If no errback already, but there are error listeners //on this module, set up an errback to pass to the deps. errback = bind(this, function (err) { this.emit('error', err); }); } //Do a copy of the dependency array, so that //source inputs are not modified. For example //"shim" deps are passed in here directly, and //doing a direct modification of the depMaps array //would affect that config. this.depMaps = depMaps && depMaps.slice(0); this.errback = errback; //Indicate this module has be initialized this.inited = true; this.ignore = options.ignore; //Could have option to init this module in enabled mode, //or could have been previously marked as enabled. However, //the dependencies are not known until init is called. So //if enabled previously, now trigger dependencies as enabled. if (options.enabled || this.enabled) { //Enable this module and dependencies. //Will call this.check() this.enable(); } else { this.check(); } }, defineDep: function (i, depExports) { //Because of cycles, defined callback for a given //export can be called more than once. if (!this.depMatched[i]) { this.depMatched[i] = true; this.depCount -= 1; this.depExports[i] = depExports; } }, fetch: function () { if (this.fetched) { return; } this.fetched = true; context.startTime = (new Date()).getTime(); var map = this.map; //If the manager is for a plugin managed resource, //ask the plugin to load it now. if (this.shim) { context.makeRequire(this.map, { enableBuildCallback: true })(this.shim.deps || [], bind(this, function () { return map.prefix ? this.callPlugin() : this.load(); })); } else { //Regular dependency. return map.prefix ? this.callPlugin() : this.load(); } }, load: function () { var url = this.map.url; //Regular dependency. if (!urlFetched[url]) { urlFetched[url] = true; context.load(this.map.id, url); } }, /** * Checks if the module is ready to define itself, and if so, * define it. */ check: function () { if (!this.enabled || this.enabling) { return; } var err, cjsModule, id = this.map.id, depExports = this.depExports, exports = this.exports, factory = this.factory; if (!this.inited) { // Only fetch if not already in the defQueue. if (!hasProp(context.defQueueMap, id)) { this.fetch(); } } else if (this.error) { this.emit('error', this.error); } else if (!this.defining) { //The factory could trigger another require call //that would result in checking this module to //define itself again. If already in the process //of doing that, skip this work. this.defining = true; if (this.depCount < 1 && !this.defined) { if (isFunction(factory)) { //If there is an error listener, favor passing //to that instead of throwing an error. However, //only do it for define()'d modules. require //errbacks should not be called for failures in //their callbacks (#699). However if a global //onError is set, use that. if ((this.events.error && this.map.isDefine) || req.onError !== defaultOnError) { try { exports = context.execCb(id, factory, depExports, exports); } catch (e) { err = e; } } else { exports = context.execCb(id, factory, depExports, exports); } // Favor return value over exports. If node/cjs in play, // then will not have a return value anyway. Favor // module.exports assignment over exports object. if (this.map.isDefine && exports === undefined) { cjsModule = this.module; if (cjsModule) { exports = cjsModule.exports; } else if (this.usingExports) { //exports already set the defined value. exports = this.exports; } } if (err) { err.requireMap = this.map; err.requireModules = this.map.isDefine ? [this.map.id] : null; err.requireType = this.map.isDefine ? 'define' : 'require'; return onError((this.error = err)); } } else { //Just a literal value exports = factory; } this.exports = exports; if (this.map.isDefine && !this.ignore) { defined[id] = exports; if (req.onResourceLoad) { req.onResourceLoad(context, this.map, this.depMaps); } } //Clean up cleanRegistry(id); this.defined = true; } //Finished the define stage. Allow calling check again //to allow define notifications below in the case of a //cycle. this.defining = false; if (this.defined && !this.defineEmitted) { this.defineEmitted = true; this.emit('defined', this.exports); this.defineEmitComplete = true; } } }, callPlugin: function () { var map = this.map, id = map.id, //Map already normalized the prefix. pluginMap = makeModuleMap(map.prefix); //Mark this as a dependency for this plugin, so it //can be traced for cycles. this.depMaps.push(pluginMap); on(pluginMap, 'defined', bind(this, function (plugin) { var load, normalizedMap, normalizedMod, bundleId = getOwn(bundlesMap, this.map.id), name = this.map.name, parentName = this.map.parentMap ? this.map.parentMap.name : null, localRequire = context.makeRequire(map.parentMap, { enableBuildCallback: true }); //If current map is not normalized, wait for that //normalized name to load instead of continuing. if (this.map.unnormalized) { //Normalize the ID if the plugin allows it. if (plugin.normalize) { name = plugin.normalize(name, function (name) { return normalize(name, parentName, true); }) || ''; } //prefix and name should already be normalized, no need //for applying map config again either. normalizedMap = makeModuleMap(map.prefix + '!' + name, this.map.parentMap); on(normalizedMap, 'defined', bind(this, function (value) { this.init([], function () { return value; }, null, { enabled: true, ignore: true }); })); normalizedMod = getOwn(registry, normalizedMap.id); if (normalizedMod) { //Mark this as a dependency for this plugin, so it //can be traced for cycles. this.depMaps.push(normalizedMap); if (this.events.error) { normalizedMod.on('error', bind(this, function (err) { this.emit('error', err); })); } normalizedMod.enable(); } return; } //If a paths config, then just load that file instead to //resolve the plugin, as it is built into that paths layer. if (bundleId) { this.map.url = context.nameToUrl(bundleId); this.load(); return; } load = bind(this, function (value) { this.init([], function () { return value; }, null, { enabled: true }); }); load.error = bind(this, function (err) { this.inited = true; this.error = err; err.requireModules = [id]; //Remove temp unnormalized modules for this module, //since they will never be resolved otherwise now. eachProp(registry, function (mod) { if (mod.map.id.indexOf(id + '_unnormalized') === 0) { cleanRegistry(mod.map.id); } }); onError(err); }); //Allow plugins to load other code without having to know the //context or how to 'complete' the load. load.fromText = bind(this, function (text, textAlt) { /*jslint evil: true */ var moduleName = map.name, moduleMap = makeModuleMap(moduleName), hasInteractive = useInteractive; //As of 2.1.0, support just passing the text, to reinforce //fromText only being called once per resource. Still //support old style of passing moduleName but discard //that moduleName in favor of the internal ref. if (textAlt) { text = textAlt; } //Turn off interactive script matching for IE for any define //calls in the text, then turn it back on at the end. if (hasInteractive) { useInteractive = false; } //Prime the system by creating a module instance for //it. getModule(moduleMap); //Transfer any config to this other module. if (hasProp(config.config, id)) { config.config[moduleName] = config.config[id]; } try { req.exec(text); } catch (e) { return onError(makeError('fromtexteval', 'fromText eval for ' + id + ' failed: ' + e, e, [id])); } if (hasInteractive) { useInteractive = true; } //Mark this as a dependency for the plugin //resource this.depMaps.push(moduleMap); //Support anonymous modules. context.completeLoad(moduleName); //Bind the value of that module to the value for this //resource ID. localRequire([moduleName], load); }); //Use parentName here since the plugin's name is not reliable, //could be some weird string with no path that actually wants to //reference the parentName's path. plugin.load(map.name, localRequire, load, config); })); context.enable(pluginMap, this); this.pluginMaps[pluginMap.id] = pluginMap; }, enable: function () { enabledRegistry[this.map.id] = this; this.enabled = true; //Set flag mentioning that the module is enabling, //so that immediate calls to the defined callbacks //for dependencies do not trigger inadvertent load //with the depCount still being zero. this.enabling = true; //Enable each dependency each(this.depMaps, bind(this, function (depMap, i) { var id, mod, handler; if (typeof depMap === 'string') { //Dependency needs to be converted to a depMap //and wired up to this module. depMap = makeModuleMap(depMap, (this.map.isDefine ? this.map : this.map.parentMap), false, !this.skipMap); this.depMaps[i] = depMap; handler = getOwn(handlers, depMap.id); if (handler) { this.depExports[i] = handler(this); return; } this.depCount += 1; on(depMap, 'defined', bind(this, function (depExports) { if (this.undefed) { return; } this.defineDep(i, depExports); this.check(); })); if (this.errback) { on(depMap, 'error', bind(this, this.errback)); } else if (this.events.error) { // No direct errback on this module, but something // else is listening for errors, so be sure to // propagate the error correctly. on(depMap, 'error', bind(this, function(err) { this.emit('error', err); })); } } id = depMap.id; mod = registry[id]; //Skip special modules like 'require', 'exports', 'module' //Also, don't call enable if it is already enabled, //important in circular dependency cases. if (!hasProp(handlers, id) && mod && !mod.enabled) { context.enable(depMap, this); } })); //Enable each plugin that is used in //a dependency eachProp(this.pluginMaps, bind(this, function (pluginMap) { var mod = getOwn(registry, pluginMap.id); if (mod && !mod.enabled) { context.enable(pluginMap, this); } })); this.enabling = false; this.check(); }, on: function (name, cb) { var cbs = this.events[name]; if (!cbs) { cbs = this.events[name] = []; } cbs.push(cb); }, emit: function (name, evt) { each(this.events[name], function (cb) { cb(evt); }); if (name === 'error') { //Now that the error handler was triggered, remove //the listeners, since this broken Module instance //can stay around for a while in the registry. delete this.events[name]; } } }; function callGetModule(args) { //Skip modules already defined. if (!hasProp(defined, args[0])) { getModule(makeModuleMap(args[0], null, true)).init(args[1], args[2]); } } function removeListener(node, func, name, ieName) { //Favor detachEvent because of IE9 //issue, see attachEvent/addEventListener comment elsewhere //in this file. if (node.detachEvent && !isOpera) { //Probably IE. If not it will throw an error, which will be //useful to know. if (ieName) { node.detachEvent(ieName, func); } } else { node.removeEventListener(name, func, false); } } /** * Given an event from a script node, get the requirejs info from it, * and then removes the event listeners on the node. * @param {Event} evt * @returns {Object} */ function getScriptData(evt) { //Using currentTarget instead of target for Firefox 2.0's sake. Not //all old browsers will be supported, but this one was easy enough //to support and still makes sense. var node = evt.currentTarget || evt.srcElement; //Remove the listeners once here. removeListener(node, context.onScriptLoad, 'load', 'onreadystatechange'); removeListener(node, context.onScriptError, 'error'); return { node: node, id: node && node.getAttribute('data-requiremodule') }; } function intakeDefines() { var args; //Any defined modules in the global queue, intake them now. takeGlobalQueue(); //Make sure any remaining defQueue items get properly processed. while (defQueue.length) { args = defQueue.shift(); if (args[0] === null) { return onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + args[args.length - 1])); } else { //args are id, deps, factory. Should be normalized by the //define() function. callGetModule(args); } } context.defQueueMap = {}; } context = { config: config, contextName: contextName, registry: registry, defined: defined, urlFetched: urlFetched, defQueue: defQueue, defQueueMap: {}, Module: Module, makeModuleMap: makeModuleMap, nextTick: req.nextTick, onError: onError, /** * Set a configuration for the context. * @param {Object} cfg config object to integrate. */ configure: function (cfg) { //Make sure the baseUrl ends in a slash. if (cfg.baseUrl) { if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== '/') { cfg.baseUrl += '/'; } } //Save off the paths since they require special processing, //they are additive. var shim = config.shim, objs = { paths: true, bundles: true, config: true, map: true }; eachProp(cfg, function (value, prop) { if (objs[prop]) { if (!config[prop]) { config[prop] = {}; } mixin(config[prop], value, true, true); } else { config[prop] = value; } }); //Reverse map the bundles if (cfg.bundles) { eachProp(cfg.bundles, function (value, prop) { each(value, function (v) { if (v !== prop) { bundlesMap[v] = prop; } }); }); } //Merge shim if (cfg.shim) { eachProp(cfg.shim, function (value, id) { //Normalize the structure if (isArray(value)) { value = { deps: value }; } if ((value.exports || value.init) && !value.exportsFn) { value.exportsFn = context.makeShimExports(value); } shim[id] = value; }); config.shim = shim; } //Adjust packages if necessary. if (cfg.packages) { each(cfg.packages, function (pkgObj) { var location, name; pkgObj = typeof pkgObj === 'string' ? {name: pkgObj} : pkgObj; name = pkgObj.name; location = pkgObj.location; if (location) { config.paths[name] = pkgObj.location; } //Save pointer to main module ID for pkg name. //Remove leading dot in main, so main paths are normalized, //and remove any trailing .js, since different package //envs have different conventions: some use a module name, //some use a file name. config.pkgs[name] = pkgObj.name + '/' + (pkgObj.main || 'main') .replace(currDirRegExp, '') .replace(jsSuffixRegExp, ''); }); } //If there are any "waiting to execute" modules in the registry, //update the maps for them, since their info, like URLs to load, //may have changed. eachProp(registry, function (mod, id) { //If module already has init called, since it is too //late to modify them, and ignore unnormalized ones //since they are transient. if (!mod.inited && !mod.map.unnormalized) { mod.map = makeModuleMap(id, null, true); } }); //If a deps array or a config callback is specified, then call //require with those args. This is useful when require is defined as a //config object before require.js is loaded. if (cfg.deps || cfg.callback) { context.require(cfg.deps || [], cfg.callback); } }, makeShimExports: function (value) { function fn() { var ret; if (value.init) { ret = value.init.apply(global, arguments); } return ret || (value.exports && getGlobal(value.exports)); } return fn; }, makeRequire: function (relMap, options) { options = options || {}; function localRequire(deps, callback, errback) { var id, map, requireMod; if (options.enableBuildCallback && callback && isFunction(callback)) { callback.__requireJsBuild = true; } if (typeof deps === 'string') { if (isFunction(callback)) { //Invalid call return onError(makeError('requireargs', 'Invalid require call'), errback); } //If require|exports|module are requested, get the //value for them from the special handlers. Caveat: //this only works while module is being defined. if (relMap && hasProp(handlers, deps)) { return handlers[deps](registry[relMap.id]); } //Synchronous access to one module. If require.get is //available (as in the Node adapter), prefer that. if (req.get) { return req.get(context, deps, relMap, localRequire); } //Normalize module name, if it contains . or .. map = makeModuleMap(deps, relMap, false, true); id = map.id; if (!hasProp(defined, id)) { return onError(makeError('notloaded', 'Module name "' + id + '" has not been loaded yet for context: ' + contextName + (relMap ? '' : '. Use require([])'))); } return defined[id]; } //Grab defines waiting in the global queue. intakeDefines(); //Mark all the dependencies as needing to be loaded. context.nextTick(function () { //Some defines could have been added since the //require call, collect them. intakeDefines(); requireMod = getModule(makeModuleMap(null, relMap)); //Store if map config should be applied to this require //call for dependencies. requireMod.skipMap = options.skipMap; requireMod.init(deps, callback, errback, { enabled: true }); checkLoaded(); }); return localRequire; } mixin(localRequire, { isBrowser: isBrowser, /** * Converts a module name + .extension into an URL path. * *Requires* the use of a module name. It does not support using * plain URLs like nameToUrl. */ toUrl: function (moduleNamePlusExt) { var ext, index = moduleNamePlusExt.lastIndexOf('.'), segment = moduleNamePlusExt.split('/')[0], isRelative = segment === '.' || segment === '..'; //Have a file extension alias, and it is not the //dots from a relative path. if (index !== -1 && (!isRelative || index > 1)) { ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length); moduleNamePlusExt = moduleNamePlusExt.substring(0, index); } return context.nameToUrl(normalize(moduleNamePlusExt, relMap && relMap.id, true), ext, true); }, defined: function (id) { return hasProp(defined, makeModuleMap(id, relMap, false, true).id); }, specified: function (id) { id = makeModuleMap(id, relMap, false, true).id; return hasProp(defined, id) || hasProp(registry, id); } }); //Only allow undef on top level require calls if (!relMap) { localRequire.undef = function (id) { //Bind any waiting define() calls to this context, //fix for #408 takeGlobalQueue(); var map = makeModuleMap(id, relMap, true), mod = getOwn(registry, id); mod.undefed = true; removeScript(id); delete defined[id]; delete urlFetched[map.url]; delete undefEvents[id]; //Clean queued defines too. Go backwards //in array so that the splices do not //mess up the iteration. eachReverse(defQueue, function(args, i) { if (args[0] === id) { defQueue.splice(i, 1); } }); delete context.defQueueMap[id]; if (mod) { //Hold on to listeners in case the //module will be attempted to be reloaded //using a different config. if (mod.events.defined) { undefEvents[id] = mod.events; } cleanRegistry(id); } }; } return localRequire; }, /** * Called to enable a module if it is still in the registry * awaiting enablement. A second arg, parent, the parent module, * is passed in for context, when this method is overridden by * the optimizer. Not shown here to keep code compact. */ enable: function (depMap) { var mod = getOwn(registry, depMap.id); if (mod) { getModule(depMap).enable(); } }, /** * Internal method used by environment adapters to complete a load event. * A load event could be a script load or just a load pass from a synchronous * load call. * @param {String} moduleName the name of the module to potentially complete. */ completeLoad: function (moduleName) { var found, args, mod, shim = getOwn(config.shim, moduleName) || {}, shExports = shim.exports; takeGlobalQueue(); while (defQueue.length) { args = defQueue.shift(); if (args[0] === null) { args[0] = moduleName; //If already found an anonymous module and bound it //to this name, then this is some other anon module //waiting for its completeLoad to fire. if (found) { break; } found = true; } else if (args[0] === moduleName) { //Found matching define call for this script! found = true; } callGetModule(args); } context.defQueueMap = {}; //Do this after the cycle of callGetModule in case the result //of those calls/init calls changes the registry. mod = getOwn(registry, moduleName); if (!found && !hasProp(defined, moduleName) && mod && !mod.inited) { if (config.enforceDefine && (!shExports || !getGlobal(shExports))) { if (hasPathFallback(moduleName)) { return; } else { return onError(makeError('nodefine', 'No define call for ' + moduleName, null, [moduleName])); } } else { //A script that does not call define(), so just simulate //the call for it. callGetModule([moduleName, (shim.deps || []), shim.exportsFn]); } } checkLoaded(); }, /** * Converts a module name to a file path. Supports cases where * moduleName may actually be just an URL. * Note that it **does not** call normalize on the moduleName, * it is assumed to have already been normalized. This is an * internal API, not a public one. Use toUrl for the public API. */ nameToUrl: function (moduleName, ext, skipExt) { var paths, syms, i, parentModule, url, parentPath, bundleId, pkgMain = getOwn(config.pkgs, moduleName); if (pkgMain) { moduleName = pkgMain; } bundleId = getOwn(bundlesMap, moduleName); if (bundleId) { return context.nameToUrl(bundleId, ext, skipExt); } //If a colon is in the URL, it indicates a protocol is used and it is just //an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?) //or ends with .js, then assume the user meant to use an url and not a module id. //The slash is important for protocol-less URLs as well as full paths. if (req.jsExtRegExp.test(moduleName)) { //Just a plain path, not module name lookup, so just return it. //Add extension if it is included. This is a bit wonky, only non-.js things pass //an extension, this method probably needs to be reworked. url = moduleName + (ext || ''); } else { //A module that needs to be converted to a path. paths = config.paths; syms = moduleName.split('/'); //For each module name segment, see if there is a path //registered for it. Start with most specific name //and work up from it. for (i = syms.length; i > 0; i -= 1) { parentModule = syms.slice(0, i).join('/'); parentPath = getOwn(paths, parentModule); if (parentPath) { //If an array, it means there are a few choices, //Choose the one that is desired if (isArray(parentPath)) { parentPath = parentPath[0]; } syms.splice(0, i, parentPath); break; } } //Join the path parts together, then figure out if baseUrl is needed. url = syms.join('/'); url += (ext || (/^data\:|\?/.test(url) || skipExt ? '' : '.js')); url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url; } return config.urlArgs ? url + ((url.indexOf('?') === -1 ? '?' : '&') + config.urlArgs) : url; }, //Delegates to req.load. Broken out as a separate function to //allow overriding in the optimizer. load: function (id, url) { req.load(context, id, url); }, /** * Executes a module callback function. Broken out as a separate function * solely to allow the build system to sequence the files in the built * layer in the right sequence. * * @private */ execCb: function (name, callback, args, exports) { return callback.apply(exports, args); }, /** * callback for script loads, used to check status of loading. * * @param {Event} evt the event from the browser for the script * that was loaded. */ onScriptLoad: function (evt) { //Using currentTarget instead of target for Firefox 2.0's sake. Not //all old browsers will be supported, but this one was easy enough //to support and still makes sense. if (evt.type === 'load' || (readyRegExp.test((evt.currentTarget || evt.srcElement).readyState))) { //Reset interactive script so a script node is not held onto for //to long. interactiveScript = null; //Pull out the name of the module and the context. var data = getScriptData(evt); context.completeLoad(data.id); } }, /** * Callback for script errors. */ onScriptError: function (evt) { var data = getScriptData(evt); if (!hasPathFallback(data.id)) { return onError(makeError('scripterror', 'Script error for: ' + data.id, evt, [data.id])); } } }; context.require = context.makeRequire(); return context; } /** * Main entry point. * * If the only argument to require is a string, then the module that * is represented by that string is fetched for the appropriate context. * * If the first argument is an array, then it will be treated as an array * of dependency string names to fetch. An optional function callback can * be specified to execute when all of those dependencies are available. * * Make a local req variable to help Caja compliance (it assumes things * on a require that are not standardized), and to give a short * name for minification/local scope use. */ req = requirejs = function (deps, callback, errback, optional) { //Find the right context, use default var context, config, contextName = defContextName; // Determine if have config object in the call. if (!isArray(deps) && typeof deps !== 'string') { // deps is a config object config = deps; if (isArray(callback)) { // Adjust args if there are dependencies deps = callback; callback = errback; errback = optional; } else { deps = []; } } if (config && config.context) { contextName = config.context; } context = getOwn(contexts, contextName); if (!context) { context = contexts[contextName] = req.s.newContext(contextName); } if (config) { context.configure(config); } return context.require(deps, callback, errback); }; /** * Support require.config() to make it easier to cooperate with other * AMD loaders on globally agreed names. */ req.config = function (config) { return req(config); }; /** * Execute something after the current tick * of the event loop. Override for other envs * that have a better solution than setTimeout. * @param {Function} fn function to execute later. */ req.nextTick = typeof setTimeout !== 'undefined' ? function (fn) { setTimeout(fn, 4); } : function (fn) { fn(); }; /** * Export require as a global, but only if it does not already exist. */ if (!require) { require = req; } req.version = version; //Used to filter out dependencies that are already paths. req.jsExtRegExp = /^\/|:|\?|\.js$/; req.isBrowser = isBrowser; s = req.s = { contexts: contexts, newContext: newContext }; //Create default context. req({}); //Exports some context-sensitive methods on global require. each([ 'toUrl', 'undef', 'defined', 'specified' ], function (prop) { //Reference from contexts instead of early binding to default context, //so that during builds, the latest instance of the default context //with its config gets used. req[prop] = function () { var ctx = contexts[defContextName]; return ctx.require[prop].apply(ctx, arguments); }; }); if (isBrowser) { head = s.head = document.getElementsByTagName('head')[0]; //If BASE tag is in play, using appendChild is a problem for IE6. //When that browser dies, this can be removed. Details in this jQuery bug: //http://dev.jquery.com/ticket/2709 baseElement = document.getElementsByTagName('base')[0]; if (baseElement) { head = s.head = baseElement.parentNode; } } /** * Any errors that require explicitly generates will be passed to this * function. Intercept/override it if you want custom error handling. * @param {Error} err the error object. */ req.onError = defaultOnError; /** * Creates the node for the load command. Only used in browser envs. */ req.createNode = function (config, moduleName, url) { var node = config.xhtml ? document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') : document.createElement('script'); node.type = config.scriptType || 'text/javascript'; node.charset = 'utf-8'; node.async = true; return node; }; /** * Does the request to load a module for the browser case. * Make this a separate function to allow other environments * to override it. * * @param {Object} context the require context to find state. * @param {String} moduleName the name of the module. * @param {Object} url the URL to the module. */ req.load = function (context, moduleName, url) { var config = (context && context.config) || {}, node; if (isBrowser) { //In the browser so use a script tag node = req.createNode(config, moduleName, url); if (config.onNodeCreated) { config.onNodeCreated(node, config, moduleName, url); } node.setAttribute('data-requirecontext', context.contextName); node.setAttribute('data-requiremodule', moduleName); //Set up load listener. Test attachEvent first because IE9 has //a subtle issue in its addEventListener and script onload firings //that do not match the behavior of all other browsers with //addEventListener support, which fire the onload event for a //script right after the script execution. See: //https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution //UNFORTUNATELY Opera implements attachEvent but does not follow the script //script execution mode. if (node.attachEvent && //Check if node.attachEvent is artificially added by custom script or //natively supported by browser //read https://github.com/jrburke/requirejs/issues/187 //if we can NOT find [native code] then it must NOT natively supported. //in IE8, node.attachEvent does not have toString() //Note the test for "[native code" with no closing brace, see: //https://github.com/jrburke/requirejs/issues/273 !(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) && !isOpera) { //Probably IE. IE (at least 6-8) do not fire //script onload right after executing the script, so //we cannot tie the anonymous define call to a name. //However, IE reports the script as being in 'interactive' //readyState at the time of the define call. useInteractive = true; node.attachEvent('onreadystatechange', context.onScriptLoad); //It would be great to add an error handler here to catch //404s in IE9+. However, onreadystatechange will fire before //the error handler, so that does not help. If addEventListener //is used, then IE will fire error before load, but we cannot //use that pathway given the connect.microsoft.com issue //mentioned above about not doing the 'script execute, //then fire the script load event listener before execute //next script' that other browsers do. //Best hope: IE10 fixes the issues, //and then destroys all installs of IE 6-9. //node.attachEvent('onerror', context.onScriptError); } else { node.addEventListener('load', context.onScriptLoad, false); node.addEventListener('error', context.onScriptError, false); } node.src = url; //For some cache cases in IE 6-8, the script executes before the end //of the appendChild execution, so to tie an anonymous define //call to the module name (which is stored on the node), hold on //to a reference to this node, but clear after the DOM insertion. currentlyAddingScript = node; if (baseElement) { head.insertBefore(node, baseElement); } else { head.appendChild(node); } currentlyAddingScript = null; return node; } else if (isWebWorker) { try { //In a web worker, use importScripts. This is not a very //efficient use of importScripts, importScripts will block until //its script is downloaded and evaluated. However, if web workers //are in play, the expectation that a build has been done so that //only one script needs to be loaded anyway. This may need to be //reevaluated if other use cases become common. importScripts(url); //Account for anonymous modules context.completeLoad(moduleName); } catch (e) { context.onError(makeError('importscripts', 'importScripts failed for ' + moduleName + ' at ' + url, e, [moduleName])); } } }; function getInteractiveScript() { if (interactiveScript && interactiveScript.readyState === 'interactive') { return interactiveScript; } eachReverse(scripts(), function (script) { if (script.readyState === 'interactive') { return (interactiveScript = script); } }); return interactiveScript; } //Look for a data-main script attribute, which could also adjust the baseUrl. if (isBrowser && !cfg.skipDataMain) { //Figure out baseUrl. Get it from the script tag with require.js in it. eachReverse(scripts(), function (script) { //Set the 'head' where we can append children by //using the script's parent. if (!head) { head = script.parentNode; } //Look for a data-main attribute to set main script for the page //to load. If it is there, the path to data main becomes the //baseUrl, if it is not already set. dataMain = script.getAttribute('data-main'); if (dataMain) { //Preserve dataMain in case it is a path (i.e. contains '?') mainScript = dataMain; //Set final baseUrl if there is not already an explicit one. if (!cfg.baseUrl) { //Pull off the directory of data-main for use as the //baseUrl. src = mainScript.split('/'); mainScript = src.pop(); subPath = src.length ? src.join('/') + '/' : './'; cfg.baseUrl = subPath; } //Strip off any trailing .js since mainScript is now //like a module name. mainScript = mainScript.replace(jsSuffixRegExp, ''); //If mainScript is still a path, fall back to dataMain if (req.jsExtRegExp.test(mainScript)) { mainScript = dataMain; } //Put the data-main script in the files to load. cfg.deps = cfg.deps ? cfg.deps.concat(mainScript) : [mainScript]; return true; } }); } /** * The function that handles definitions of modules. Differs from * require() in that a string for the module should be the first argument, * and the function to execute after dependencies are loaded should * return a value to define the module corresponding to the first argument's * name. */ define = function (name, deps, callback) { var node, context; //Allow for anonymous modules if (typeof name !== 'string') { //Adjust args appropriately callback = deps; deps = name; name = null; } //This module may not have dependencies if (!isArray(deps)) { callback = deps; deps = null; } //If no name, and callback is a function, then figure out if it a //CommonJS thing with dependencies. if (!deps && isFunction(callback)) { deps = []; //Remove comments from the callback string, //look for require calls, and pull them into the dependencies, //but only if there are function args. if (callback.length) { callback .toString() .replace(commentRegExp, '') .replace(cjsRequireRegExp, function (match, dep) { deps.push(dep); }); //May be a CommonJS thing even without require calls, but still //could use exports, and module. Avoid doing exports and module //work though if it just needs require. //REQUIRES the function to expect the CommonJS variables in the //order listed below. deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps); } } //If in IE 6-8 and hit an anonymous define() call, do the interactive //work. if (useInteractive) { node = currentlyAddingScript || getInteractiveScript(); if (node) { if (!name) { name = node.getAttribute('data-requiremodule'); } context = contexts[node.getAttribute('data-requirecontext')]; } } //Always save off evaluating the def call until the script onload handler. //This allows multiple modules to be in a file without prematurely //tracing dependencies, and allows for anonymous module support, //where the module name is not known until the script onload event //occurs. If no context, use the global queue, and get it processed //in the onscript load callback. if (context) { context.defQueue.push([name, deps, callback]); context.defQueueMap[name] = true; } else { globalDefQueue.push([name, deps, callback]); } }; define.amd = { jQuery: true }; /** * Executes the text. Normally just uses eval, but can be modified * to use a better, environment-specific call. Only used for transpiling * loader plugins, not for plain JS modules. * @param {String} text the text to execute/evaluate. */ req.exec = function (text) { /*jslint evil: true */ return eval(text); }; //Set up with config info. req(cfg); }(this));