| /** vim: et:ts=4:sw=4:sts=4 |
| * @license RequireJS 2.3.3 Copyright jQuery Foundation and other contributors. |
| * Released under MIT license, https://github.com/requirejs/requirejs/blob/master/LICENSE |
| */ |
| //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, setTimeout) { |
| var req, s, head, baseElement, dataMain, src, |
| interactiveScript, currentlyAddingScript, mainScript, subPath, |
| version = '2.3.3', |
| commentRegExp = /\/\*[\s\S]*?\*\/|([^:"'=]|^)\/\/.*$/mg, |
| cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g, |
| jsSuffixRegExp = /\.js$/, |
| currDirRegExp = /^\.\//, |
| op = Object.prototype, |
| ostring = op.toString, |
| hasOwn = op.hasOwnProperty, |
| isBrowser = !!(typeof window !== 'undefined' && typeof navigator !== 'undefined' && window.document), |
| isWebWorker = !isBrowser && typeof importScripts !== 'undefined', |
| //PS3 indicates loaded and complete, but need to wait for complete |
| //specifically. Sequence is 'loading', 'loaded', execution, |
| // then 'complete'. The UA check is unfortunate, but not sure how |
| //to feature test w/o causing perf issues. |
| readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ? |
| /^complete$/ : /^(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; |
| |
| //Could match something like ')//comment', do not lose the prefix to comment. |
| function commentReplace(match, singlePrefix) { |
| return singlePrefix || ''; |
| } |
| |
| 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 (isNormalized) { |
| normalizedName = name; |
| } else 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) { |
| var resLoadMaps = []; |
| each(this.depMaps, function (depMap) { |
| resLoadMaps.push(depMap.normalizedMap || depMap); |
| }); |
| req.onResourceLoad(context, this.map, resLoadMaps); |
| } |
| } |
| |
| //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, |
| true); |
| on(normalizedMap, |
| 'defined', bind(this, function (value) { |
| this.map.normalizedMap = normalizedMap; |
| 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 += '/'; |
| } |
| } |
| |
| // Convert old style urlArgs string to a function. |
| if (typeof cfg.urlArgs === 'string') { |
| var urlArgs = cfg.urlArgs; |
| cfg.urlArgs = function(id, url) { |
| return (url.indexOf('?') === -1 ? '?' : '&') + urlArgs; |
| }; |
| } |
| |
| //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\:|^blob\:|\?/.test(url) || skipExt ? '' : '.js')); |
| url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url; |
| } |
| |
| return config.urlArgs && !/^blob\:/.test(url) ? |
| url + config.urlArgs(moduleName, url) : 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)) { |
| var parents = []; |
| eachProp(registry, function(value, key) { |
| if (key.indexOf('_@r') !== 0) { |
| each(value.depMaps, function(depMap) { |
| if (depMap.id === data.id) { |
| parents.push(key); |
| return true; |
| } |
| }); |
| } |
| }); |
| return onError(makeError('scripterror', 'Script error for "' + data.id + |
| (parents.length ? |
| '", needed by: ' + parents.join(', ') : |
| '"'), 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); |
| |
| 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/requirejs/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/requirejs/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; |
| |
| //Calling onNodeCreated after all properties on the node have been |
| //set, but before it is placed in the DOM. |
| if (config.onNodeCreated) { |
| config.onNodeCreated(node, config, moduleName, 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 is 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. |
| |
| // Post a task to the event loop to work around a bug in WebKit |
| // where the worker gets garbage-collected after calling |
| // importScripts(): https://webkit.org/b/153317 |
| setTimeout(function() {}, 0); |
| 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, |
| //but only do so if the data-main value is not a loader plugin |
| //module ID. |
| if (!cfg.baseUrl && mainScript.indexOf('!') === -1) { |
| //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, commentReplace) |
| .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, (typeof setTimeout === 'undefined' ? undefined : setTimeout))); |
