From d1df47c3e21b91a5eeac22e50e5c058951052974 Mon Sep 17 00:00:00 2001 From: Olivier Lamy Date: Mon, 9 Jul 2012 20:54:22 +0000 Subject: [PATCH] use require js 1.0.8 git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1359384 13f79535-47bb-0310-9956-ffa450edef68 --- .../src/main/webapp/index.html | 2 +- .../src/main/webapp/js/require.1.0.8.js | 2063 +++++++++++++++++ 2 files changed, 2064 insertions(+), 1 deletion(-) create mode 100644 archiva-modules/archiva-web/archiva-webapp-js/src/main/webapp/js/require.1.0.8.js diff --git a/archiva-modules/archiva-web/archiva-webapp-js/src/main/webapp/index.html b/archiva-modules/archiva-web/archiva-webapp-js/src/main/webapp/index.html index 09ce4636e..d66630536 100644 --- a/archiva-modules/archiva-web/archiva-webapp-js/src/main/webapp/index.html +++ b/archiva-modules/archiva-web/archiva-webapp-js/src/main/webapp/index.html @@ -33,7 +33,7 @@ - + Apache Archiva diff --git a/archiva-modules/archiva-web/archiva-webapp-js/src/main/webapp/js/require.1.0.8.js b/archiva-modules/archiva-web/archiva-webapp-js/src/main/webapp/js/require.1.0.8.js new file mode 100644 index 000000000..068e34c8d --- /dev/null +++ b/archiva-modules/archiva-web/archiva-webapp-js/src/main/webapp/js/require.1.0.8.js @@ -0,0 +1,2063 @@ +/** vim: et:ts=4:sw=4:sts=4 + * @license RequireJS 1.0.8 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ +/*jslint strict: false, plusplus: false, sub: true */ +/*global window, navigator, document, importScripts, jQuery, setTimeout, opera */ + +var requirejs, require, define; +(function (undefined) { + //Change this version number for each release. + var version = "1.0.8", + commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg, + cjsRequireRegExp = /require\(\s*["']([^'"\s]+)["']\s*\)/g, + currDirRegExp = /^\.\//, + jsSuffixRegExp = /\.js$/, + ostring = Object.prototype.toString, + ap = Array.prototype, + aps = ap.slice, + apsp = ap.splice, + isBrowser = !!(typeof window !== "undefined" && navigator && document), + isWebWorker = !isBrowser && typeof importScripts !== "undefined", + //PS3 indicates loaded and complete, but need to wait for complete + //specifically. Sequence is "loading", "loaded", execution, + // then "complete". The UA check is unfortunate, but not sure how + //to feature test w/o causing perf issues. + readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ? + /^complete$/ : /^(complete|loaded)$/, + defContextName = "_", + //Oh the tragedy, detecting opera. See the usage of isOpera for reason. + isOpera = typeof opera !== "undefined" && opera.toString() === "[object Opera]", + empty = {}, + contexts = {}, + globalDefQueue = [], + interactiveScript = null, + checkLoadedDepth = 0, + useInteractive = false, + reservedDependencies = { + require: true, + module: true, + exports: true + }, + req, cfg = {}, currentlyAddingScript, s, head, baseElement, scripts, script, + src, subPath, mainScript, dataMain, globalI, ctx, jQueryCheck, checkLoadedTimeoutId; + + function isFunction(it) { + return ostring.call(it) === "[object Function]"; + } + + function isArray(it) { + return ostring.call(it) === "[object Array]"; + } + + /** + * Simple function to mix in properties from source into target, + * but only if target does not already have a property of the same name. + * This is not robust in IE for transferring methods that match + * Object.prototype names, but the uses of mixin here seem unlikely to + * trigger a problem related to that. + */ + function mixin(target, source, force) { + for (var prop in source) { + if (!(prop in empty) && (!(prop in target) || force)) { + target[prop] = source[prop]; + } + } + return req; + } + + /** + * 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) { + var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id); + if (err) { + e.originalError = err; + } + return e; + } + + /** + * Used to set up package paths from a packagePaths or packages config object. + * @param {Object} pkgs the object to store the new package config + * @param {Array} currentPackages an array of packages to configure + * @param {String} [dir] a prefix dir to use. + */ + function configurePackageDir(pkgs, currentPackages, dir) { + var i, location, pkgObj; + + for (i = 0; (pkgObj = currentPackages[i]); i++) { + pkgObj = typeof pkgObj === "string" ? { name: pkgObj } : pkgObj; + location = pkgObj.location; + + //Add dir to the path, but avoid paths that start with a slash + //or have a colon (indicates a protocol) + if (dir && (!location || (location.indexOf("/") !== 0 && location.indexOf(":") === -1))) { + location = dir + "/" + (location || pkgObj.name); + } + + //Create a brand new object on pkgs, since currentPackages can + //be passed in again, and config.pkgs is the internal transformed + //state for all package configs. + pkgs[pkgObj.name] = { + name: pkgObj.name, + location: location || pkgObj.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. + main: (pkgObj.main || "main") + .replace(currDirRegExp, '') + .replace(jsSuffixRegExp, '') + }; + } + } + + /** + * jQuery 1.4.3-1.5.x use a readyWait/ready() pairing to hold DOM + * ready callbacks, but jQuery 1.6 supports a holdReady() API instead. + * At some point remove the readyWait/ready() support and just stick + * with using holdReady. + */ + function jQueryHoldReady($, shouldHold) { + if ($.holdReady) { + $.holdReady(shouldHold); + } else if (shouldHold) { + $.readyWait += 1; + } else { + $.ready(true); + } + } + + 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 and existing requirejs instance. + return; + } else { + 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; + } + + /** + * Creates a new context for use in require and define calls. + * Handle most of the heavy lifting. Do not want to use an object + * with prototype here to avoid using "this" in require, in case it + * needs to be used in more super secure envs that do not want this. + * Also there should not be that many contexts in the page. Usually just + * one for the default context, but could be extra for multiversion cases + * or if a package needs a special context for a dependency that conflicts + * with the standard context. + */ + function newContext(contextName) { + var context, resume, + config = { + waitSeconds: 7, + baseUrl: "./", + paths: {}, + pkgs: {}, + catchError: {} + }, + defQueue = [], + specified = { + "require": true, + "exports": true, + "module": true + }, + urlMap = {}, + defined = {}, + loaded = {}, + waiting = {}, + waitAry = [], + urlFetched = {}, + managerCounter = 0, + managerCallbacks = {}, + plugins = {}, + //Used to indicate which modules in a build scenario + //need to be full executed. + needFullExec = {}, + fullExec = {}, + resumeDepth = 0; + + /** + * 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; (part = ary[i]); i++) { + if (part === ".") { + ary.splice(i, 1); + i -= 1; + } else if (part === "..") { + if (i === 1 && (ary[2] === '..' || ary[0] === '..')) { + //End of the line. Keep at least one non-dot + //path segment at the front so it can be mapped + //correctly to disk. Otherwise, there is likely + //no path mapping for a path starting with '..'. + //This can still fail, but catches the most reasonable + //uses of .. + break; + } 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. + * @returns {String} normalized name + */ + function normalize(name, baseName) { + var pkgName, pkgConfig; + + //Adjust any relative paths. + if (name && name.charAt(0) === ".") { + //If have a base name, try to normalize against it, + //otherwise, assume it is a top-level require that will + //be relative to baseUrl in the end. + if (baseName) { + if (config.pkgs[baseName]) { + //If the baseName is a package name, then just treat it as one + //name to concat the name with. + baseName = [baseName]; + } else { + //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. + baseName = baseName.split("/"); + baseName = baseName.slice(0, baseName.length - 1); + } + + name = baseName.concat(name.split("/")); + trimDots(name); + + //Some use of packages may use a . path to reference the + //"main" module name, so normalize for that. + pkgConfig = config.pkgs[(pkgName = name[0])]; + name = name.join("/"); + if (pkgConfig && name === pkgName + '/' + pkgConfig.main) { + name = pkgName; + } + } else if (name.indexOf("./") === 0) { + // No baseName, so this is ID is resolved relative + // to baseUrl, pull off the leading dot. + name = name.substring(2); + } + } + return 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. + * + * @returns {Object} + */ + function makeModuleMap(name, parentModuleMap) { + var index = name ? name.indexOf("!") : -1, + prefix = null, + parentName = parentModuleMap ? parentModuleMap.name : null, + originalName = name, + normalizedName, url, pluginModule; + + if (index !== -1) { + prefix = name.substring(0, index); + name = name.substring(index + 1, name.length); + } + + if (prefix) { + prefix = normalize(prefix, parentName); + } + + //Account for relative paths if there is a base name. + if (name) { + if (prefix) { + pluginModule = defined[prefix]; + if (pluginModule && pluginModule.normalize) { + //Plugin is loaded, use its normalize method. + normalizedName = pluginModule.normalize(name, function (name) { + return normalize(name, parentName); + }); + } else { + normalizedName = normalize(name, parentName); + } + } else { + //A regular module. + normalizedName = normalize(name, parentName); + + url = urlMap[normalizedName]; + if (!url) { + //Calculate url for the module, if it has a name. + //Use name here since nameToUrl also calls normalize, + //and for relative names that are outside the baseUrl + //this causes havoc. Was thinking of just removing + //parentModuleMap to avoid extra normalization, but + //normalize() still does a dot removal because of + //issue #142, so just pass in name here and redo + //the normalization. Paths outside baseUrl are just + //messy to support. + url = context.nameToUrl(name, null, parentModuleMap); + + //Store the URL mapping for later. + urlMap[normalizedName] = url; + } + } + } + + return { + prefix: prefix, + name: normalizedName, + parentMap: parentModuleMap, + url: url, + originalName: originalName, + fullName: prefix ? prefix + "!" + (normalizedName || '') : normalizedName + }; + } + + /** + * Determine if priority loading is done. If so clear the priorityWait + */ + function isPriorityDone() { + var priorityDone = true, + priorityWait = config.priorityWait, + priorityName, i; + if (priorityWait) { + for (i = 0; (priorityName = priorityWait[i]); i++) { + if (!loaded[priorityName]) { + priorityDone = false; + break; + } + } + if (priorityDone) { + delete config.priorityWait; + } + } + return priorityDone; + } + + function makeContextModuleFunc(func, relModuleMap, enableBuildCallback) { + return function () { + //A version of a require function that passes a moduleName + //value for items that may need to + //look up paths relative to the moduleName + var args = aps.call(arguments, 0), lastArg; + if (enableBuildCallback && + isFunction((lastArg = args[args.length - 1]))) { + lastArg.__requireJsBuild = true; + } + args.push(relModuleMap); + return func.apply(null, args); + }; + } + + /** + * Helper function that creates a require function object to give to + * modules that ask for it as a dependency. It needs to be specific + * per module because of the implication of path mappings that may + * need to be relative to the module name. + */ + function makeRequire(relModuleMap, enableBuildCallback, altRequire) { + var modRequire = makeContextModuleFunc(altRequire || context.require, relModuleMap, enableBuildCallback); + + mixin(modRequire, { + nameToUrl: makeContextModuleFunc(context.nameToUrl, relModuleMap), + toUrl: makeContextModuleFunc(context.toUrl, relModuleMap), + defined: makeContextModuleFunc(context.requireDefined, relModuleMap), + specified: makeContextModuleFunc(context.requireSpecified, relModuleMap), + isBrowser: req.isBrowser + }); + return modRequire; + } + + /* + * Queues a dependency for checking after the loader is out of a + * "paused" state, for example while a script file is being loaded + * in the browser, where it may have many modules defined in it. + */ + function queueDependency(manager) { + context.paused.push(manager); + } + + function execManager(manager) { + var i, ret, err, errFile, errModuleTree, + cb = manager.callback, + map = manager.map, + fullName = map.fullName, + args = manager.deps, + listeners = manager.listeners, + execCb = config.requireExecCb || req.execCb, + cjsModule; + + //Call the callback to define the module, if necessary. + if (cb && isFunction(cb)) { + if (config.catchError.define) { + try { + ret = execCb(fullName, manager.callback, args, defined[fullName]); + } catch (e) { + err = e; + } + } else { + ret = execCb(fullName, manager.callback, args, defined[fullName]); + } + + if (fullName) { + //If setting exports via "module" is in play, + //favor that over return value and exports. After that, + //favor a non-undefined return value over exports use. + cjsModule = manager.cjsModule; + if (cjsModule && + cjsModule.exports !== undefined && + //Make sure it is not already the exports value + cjsModule.exports !== defined[fullName]) { + ret = defined[fullName] = manager.cjsModule.exports; + } else if (ret === undefined && manager.usingExports) { + //exports already set the defined value. + ret = defined[fullName]; + } else { + //Use the return value from the function. + defined[fullName] = ret; + //If this module needed full execution in a build + //environment, mark that now. + if (needFullExec[fullName]) { + fullExec[fullName] = true; + } + } + } + } else if (fullName) { + //May just be an object definition for the module. Only + //worry about defining if have a module name. + ret = defined[fullName] = cb; + + //If this module needed full execution in a build + //environment, mark that now. + if (needFullExec[fullName]) { + fullExec[fullName] = true; + } + } + + //Clean up waiting. Do this before error calls, and before + //calling back listeners, so that bookkeeping is correct + //in the event of an error and error is reported in correct order, + //since the listeners will likely have errors if the + //onError function does not throw. + if (waiting[manager.id]) { + delete waiting[manager.id]; + manager.isDone = true; + context.waitCount -= 1; + if (context.waitCount === 0) { + //Clear the wait array used for cycles. + waitAry = []; + } + } + + //Do not need to track manager callback now that it is defined. + delete managerCallbacks[fullName]; + + //Allow instrumentation like the optimizer to know the order + //of modules executed and their dependencies. + if (req.onResourceLoad && !manager.placeholder) { + req.onResourceLoad(context, map, manager.depArray); + } + + if (err) { + errFile = (fullName ? makeModuleMap(fullName).url : '') || + err.fileName || err.sourceURL; + errModuleTree = err.moduleTree; + err = makeError('defineerror', 'Error evaluating ' + + 'module "' + fullName + '" at location "' + + errFile + '":\n' + + err + '\nfileName:' + errFile + + '\nlineNumber: ' + (err.lineNumber || err.line), err); + err.moduleName = fullName; + err.moduleTree = errModuleTree; + return req.onError(err); + } + + //Let listeners know of this manager's value. + for (i = 0; (cb = listeners[i]); i++) { + cb(ret); + } + + return undefined; + } + + /** + * Helper that creates a callack function that is called when a dependency + * is ready, and sets the i-th dependency for the manager as the + * value passed to the callback generated by this function. + */ + function makeArgCallback(manager, i) { + return function (value) { + //Only do the work if it has not been done + //already for a dependency. Cycle breaking + //logic in forceExec could mean this function + //is called more than once for a given dependency. + if (!manager.depDone[i]) { + manager.depDone[i] = true; + manager.deps[i] = value; + manager.depCount -= 1; + if (!manager.depCount) { + //All done, execute! + execManager(manager); + } + } + }; + } + + function callPlugin(pluginName, depManager) { + var map = depManager.map, + fullName = map.fullName, + name = map.name, + plugin = plugins[pluginName] || + (plugins[pluginName] = defined[pluginName]), + load; + + //No need to continue if the manager is already + //in the process of loading. + if (depManager.loading) { + return; + } + depManager.loading = true; + + load = function (ret) { + depManager.callback = function () { + return ret; + }; + execManager(depManager); + + loaded[depManager.id] = true; + + //The loading of this plugin + //might have placed other things + //in the paused queue. In particular, + //a loader plugin that depends on + //a different plugin loaded resource. + resume(); + }; + + //Allow plugins to load other code without having to know the + //context or how to "complete" the load. + load.fromText = function (moduleName, text) { + /*jslint evil: true */ + var hasInteractive = useInteractive; + + //Indicate a the module is in process of loading. + loaded[moduleName] = false; + context.scriptCount += 1; + + //Indicate this is not a "real" module, so do not track it + //for builds, it does not map to a real file. + context.fake[moduleName] = true; + + //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; + } + + req.exec(text); + + if (hasInteractive) { + useInteractive = true; + } + + //Support anonymous modules. + context.completeLoad(moduleName); + }; + + //No need to continue if the plugin value has already been + //defined by a build. + if (fullName in defined) { + load(defined[fullName]); + } else { + //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(name, makeRequire(map.parentMap, true, function (deps, cb) { + var moduleDeps = [], + i, dep, depMap; + //Convert deps to full names and hold on to them + //for reference later, when figuring out if they + //are blocked by a circular dependency. + for (i = 0; (dep = deps[i]); i++) { + depMap = makeModuleMap(dep, map.parentMap); + deps[i] = depMap.fullName; + if (!depMap.prefix) { + moduleDeps.push(deps[i]); + } + } + depManager.moduleDeps = (depManager.moduleDeps || []).concat(moduleDeps); + return context.require(deps, cb); + }), load, config); + } + } + + /** + * Adds the manager to the waiting queue. Only fully + * resolved items should be in the waiting queue. + */ + function addWait(manager) { + if (!waiting[manager.id]) { + waiting[manager.id] = manager; + waitAry.push(manager); + context.waitCount += 1; + } + } + + /** + * Function added to every manager object. Created out here + * to avoid new function creation for each manager instance. + */ + function managerAdd(cb) { + this.listeners.push(cb); + } + + function getManager(map, shouldQueue) { + var fullName = map.fullName, + prefix = map.prefix, + plugin = prefix ? plugins[prefix] || + (plugins[prefix] = defined[prefix]) : null, + manager, created, pluginManager, prefixMap; + + if (fullName) { + manager = managerCallbacks[fullName]; + } + + if (!manager) { + created = true; + manager = { + //ID is just the full name, but if it is a plugin resource + //for a plugin that has not been loaded, + //then add an ID counter to it. + id: (prefix && !plugin ? + (managerCounter++) + '__p@:' : '') + + (fullName || '__r@' + (managerCounter++)), + map: map, + depCount: 0, + depDone: [], + depCallbacks: [], + deps: [], + listeners: [], + add: managerAdd + }; + + specified[manager.id] = true; + + //Only track the manager/reuse it if this is a non-plugin + //resource. Also only track plugin resources once + //the plugin has been loaded, and so the fullName is the + //true normalized value. + if (fullName && (!prefix || plugins[prefix])) { + managerCallbacks[fullName] = manager; + } + } + + //If there is a plugin needed, but it is not loaded, + //first load the plugin, then continue on. + if (prefix && !plugin) { + prefixMap = makeModuleMap(prefix); + + //Clear out defined and urlFetched if the plugin was previously + //loaded/defined, but not as full module (as in a build + //situation). However, only do this work if the plugin is in + //defined but does not have a module export value. + if (prefix in defined && !defined[prefix]) { + delete defined[prefix]; + delete urlFetched[prefixMap.url]; + } + + pluginManager = getManager(prefixMap, true); + pluginManager.add(function (plugin) { + //Create a new manager for the normalized + //resource ID and have it call this manager when + //done. + var newMap = makeModuleMap(map.originalName, map.parentMap), + normalizedManager = getManager(newMap, true); + + //Indicate this manager is a placeholder for the real, + //normalized thing. Important for when trying to map + //modules and dependencies, for instance, in a build. + manager.placeholder = true; + + normalizedManager.add(function (resource) { + manager.callback = function () { + return resource; + }; + execManager(manager); + }); + }); + } else if (created && shouldQueue) { + //Indicate the resource is not loaded yet if it is to be + //queued. + loaded[manager.id] = false; + queueDependency(manager); + addWait(manager); + } + + return manager; + } + + function main(inName, depArray, callback, relModuleMap) { + var moduleMap = makeModuleMap(inName, relModuleMap), + name = moduleMap.name, + fullName = moduleMap.fullName, + manager = getManager(moduleMap), + id = manager.id, + deps = manager.deps, + i, depArg, depName, depPrefix, cjsMod; + + if (fullName) { + //If module already defined for context, or already loaded, + //then leave. Also leave if jQuery is registering but it does + //not match the desired version number in the config. + if (fullName in defined || loaded[id] === true || + (fullName === "jquery" && config.jQuery && + config.jQuery !== callback().fn.jquery)) { + return; + } + + //Set specified/loaded here for modules that are also loaded + //as part of a layer, where onScriptLoad is not fired + //for those cases. Do this after the inline define and + //dependency tracing is done. + specified[id] = true; + loaded[id] = true; + + //If module is jQuery set up delaying its dom ready listeners. + if (fullName === "jquery" && callback) { + jQueryCheck(callback()); + } + } + + //Attach real depArray and callback to the manager. Do this + //only if the module has not been defined already, so do this after + //the fullName checks above. IE can call main() more than once + //for a module. + manager.depArray = depArray; + manager.callback = callback; + + //Add the dependencies to the deps field, and register for callbacks + //on the dependencies. + for (i = 0; i < depArray.length; i++) { + depArg = depArray[i]; + //There could be cases like in IE, where a trailing comma will + //introduce a null dependency, so only treat a real dependency + //value as a dependency. + if (depArg) { + //Split the dependency name into plugin and name parts + depArg = makeModuleMap(depArg, (name ? moduleMap : relModuleMap)); + depName = depArg.fullName; + depPrefix = depArg.prefix; + + //Fix the name in depArray to be just the name, since + //that is how it will be called back later. + depArray[i] = depName; + + //Fast path CommonJS standard dependencies. + if (depName === "require") { + deps[i] = makeRequire(moduleMap); + } else if (depName === "exports") { + //CommonJS module spec 1.1 + deps[i] = defined[fullName] = {}; + manager.usingExports = true; + } else if (depName === "module") { + //CommonJS module spec 1.1 + manager.cjsModule = cjsMod = deps[i] = { + id: name, + uri: name ? context.nameToUrl(name, null, relModuleMap) : undefined, + exports: defined[fullName] + }; + } else if (depName in defined && !(depName in waiting) && + (!(fullName in needFullExec) || + (fullName in needFullExec && fullExec[depName]))) { + //Module already defined, and not in a build situation + //where the module is a something that needs full + //execution and this dependency has not been fully + //executed. See r.js's requirePatch.js for more info + //on fullExec. + deps[i] = defined[depName]; + } else { + //Mark this dependency as needing full exec if + //the current module needs full exec. + if (fullName in needFullExec) { + needFullExec[depName] = true; + //Reset state so fully executed code will get + //picked up correctly. + delete defined[depName]; + urlFetched[depArg.url] = false; + } + + //Either a resource that is not loaded yet, or a plugin + //resource for either a plugin that has not + //loaded yet. + manager.depCount += 1; + manager.depCallbacks[i] = makeArgCallback(manager, i); + getManager(depArg, true).add(manager.depCallbacks[i]); + } + } + } + + //Do not bother tracking the manager if it is all done. + if (!manager.depCount) { + //All done, execute! + execManager(manager); + } else { + addWait(manager); + } + } + + /** + * Convenience method to call main for a define call that was put on + * hold in the defQueue. + */ + function callDefMain(args) { + main.apply(null, args); + } + + /** + * jQuery 1.4.3+ supports ways to hold off calling + * calling jQuery ready callbacks until all scripts are loaded. Be sure + * to track it if the capability exists.. Also, since jQuery 1.4.3 does + * not register as a module, need to do some global inference checking. + * Even if it does register as a module, not guaranteed to be the precise + * name of the global. If a jQuery is tracked for this context, then go + * ahead and register it as a module too, if not already in process. + */ + jQueryCheck = function (jqCandidate) { + if (!context.jQuery) { + var $ = jqCandidate || (typeof jQuery !== "undefined" ? jQuery : null); + + if ($) { + //If a specific version of jQuery is wanted, make sure to only + //use this jQuery if it matches. + if (config.jQuery && $.fn.jquery !== config.jQuery) { + return; + } + + if ("holdReady" in $ || "readyWait" in $) { + context.jQuery = $; + + //Manually create a "jquery" module entry if not one already + //or in process. Note this could trigger an attempt at + //a second jQuery registration, but does no harm since + //the first one wins, and it is the same value anyway. + callDefMain(["jquery", [], function () { + return jQuery; + }]); + + //Ask jQuery to hold DOM ready callbacks. + if (context.scriptCount) { + jQueryHoldReady($, true); + context.jQueryIncremented = true; + } + } + } + } + }; + + function findCycle(manager, traced) { + var fullName = manager.map.fullName, + depArray = manager.depArray, + fullyLoaded = true, + i, depName, depManager, result; + + if (manager.isDone || !fullName || !loaded[fullName]) { + return result; + } + + //Found the cycle. + if (traced[fullName]) { + return manager; + } + + traced[fullName] = true; + + //Trace through the dependencies. + if (depArray) { + for (i = 0; i < depArray.length; i++) { + //Some array members may be null, like if a trailing comma + //IE, so do the explicit [i] access and check if it has a value. + depName = depArray[i]; + if (!loaded[depName] && !reservedDependencies[depName]) { + fullyLoaded = false; + break; + } + depManager = waiting[depName]; + if (depManager && !depManager.isDone && loaded[depName]) { + result = findCycle(depManager, traced); + if (result) { + break; + } + } + } + if (!fullyLoaded) { + //Discard the cycle that was found, since it cannot + //be forced yet. Also clear this module from traced. + result = undefined; + delete traced[fullName]; + } + } + + return result; + } + + function forceExec(manager, traced) { + var fullName = manager.map.fullName, + depArray = manager.depArray, + i, depName, depManager, prefix, prefixManager, value; + + + if (manager.isDone || !fullName || !loaded[fullName]) { + return undefined; + } + + if (fullName) { + if (traced[fullName]) { + return defined[fullName]; + } + + traced[fullName] = true; + } + + //Trace through the dependencies. + if (depArray) { + for (i = 0; i < depArray.length; i++) { + //Some array members may be null, like if a trailing comma + //IE, so do the explicit [i] access and check if it has a value. + depName = depArray[i]; + if (depName) { + //First, make sure if it is a plugin resource that the + //plugin is not blocked. + prefix = makeModuleMap(depName).prefix; + if (prefix && (prefixManager = waiting[prefix])) { + forceExec(prefixManager, traced); + } + depManager = waiting[depName]; + if (depManager && !depManager.isDone && loaded[depName]) { + value = forceExec(depManager, traced); + manager.depCallbacks[i](value); + } + } + } + } + + return defined[fullName]; + } + + /** + * Checks if all modules for a context are loaded, and if so, evaluates the + * new ones in right dependency order. + * + * @private + */ + function checkLoaded() { + var 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 = "", hasLoadedProp = false, stillLoading = false, + cycleDeps = [], + i, prop, err, manager, cycleManager, moduleDeps; + + //If there are items still in the paused queue processing wait. + //This is particularly important in the sync case where each paused + //item is processed right away but there may be more waiting. + if (context.pausedCount > 0) { + return undefined; + } + + //Determine if priority loading is done. If so clear the priority. If + //not, then do not check + if (config.priorityWait) { + if (isPriorityDone()) { + //Call resume, since it could have + //some waiting dependencies to trace. + resume(); + } else { + return undefined; + } + } + + //See if anything is still in flight. + for (prop in loaded) { + if (!(prop in empty)) { + hasLoadedProp = true; + if (!loaded[prop]) { + if (expired) { + noLoads += prop + " "; + } else { + stillLoading = true; + if (prop.indexOf('!') === -1) { + //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. + cycleDeps = []; + break; + } else { + moduleDeps = managerCallbacks[prop] && managerCallbacks[prop].moduleDeps; + if (moduleDeps) { + cycleDeps.push.apply(cycleDeps, moduleDeps); + } + } + } + } + } + } + + //Check for exit conditions. + if (!hasLoadedProp && !context.waitCount) { + //If the loaded object had no items, then the rest of + //the work below does not need to be done. + return undefined; + } + if (expired && noLoads) { + //If wait time expired, throw error of unloaded modules. + err = makeError("timeout", "Load timeout for modules: " + noLoads); + err.requireType = "timeout"; + err.requireModules = noLoads; + err.contextName = context.contextName; + return req.onError(err); + } + + //If still loading but a plugin is waiting on a regular module cycle + //break the cycle. + if (stillLoading && cycleDeps.length) { + for (i = 0; (manager = waiting[cycleDeps[i]]); i++) { + if ((cycleManager = findCycle(manager, {}))) { + forceExec(cycleManager, {}); + break; + } + } + + } + + //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 && (stillLoading || context.scriptCount)) { + //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); + } + return undefined; + } + + //If still have items in the waiting cue, but all modules have + //been loaded, then it means there are some circular dependencies + //that need to be broken. + //However, as a waiting thing is fired, then it can add items to + //the waiting cue, and those items should not be fired yet, so + //make sure to redo the checkLoaded call after breaking a single + //cycle, if nothing else loaded then this logic will pick it up + //again. + if (context.waitCount) { + //Cycle through the waitAry, and call items in sequence. + for (i = 0; (manager = waitAry[i]); i++) { + forceExec(manager, {}); + } + + //If anything got placed in the paused queue, run it down. + if (context.paused.length) { + resume(); + } + + //Only allow this recursion to a certain depth. Only + //triggered by errors in calling a module in which its + //modules waiting on it cannot finish loading, or some circular + //dependencies that then may add more dependencies. + //The value of 5 is a bit arbitrary. Hopefully just one extra + //pass, or two for the case of circular dependencies generating + //more work that gets resolved in the sync node case. + if (checkLoadedDepth < 5) { + checkLoadedDepth += 1; + checkLoaded(); + } + } + + checkLoadedDepth = 0; + + //Check for DOM ready, and nothing is waiting across contexts. + req.checkReadyState(); + + return undefined; + } + + /** + * Resumes tracing of dependencies and then checks if everything is loaded. + */ + resume = function () { + var manager, map, url, i, p, args, fullName; + + //Any defined modules in the global queue, intake them now. + context.takeGlobalQueue(); + + resumeDepth += 1; + + if (context.scriptCount <= 0) { + //Synchronous envs will push the number below zero with the + //decrement above, be sure to set it back to zero for good measure. + //require() calls that also do not end up loading scripts could + //push the number negative too. + context.scriptCount = 0; + } + + //Make sure any remaining defQueue items get properly processed. + while (defQueue.length) { + args = defQueue.shift(); + if (args[0] === null) { + return req.onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + args[args.length - 1])); + } else { + callDefMain(args); + } + } + + //Skip the resume of paused dependencies + //if current context is in priority wait. + if (!config.priorityWait || isPriorityDone()) { + while (context.paused.length) { + p = context.paused; + context.pausedCount += p.length; + //Reset paused list + context.paused = []; + + for (i = 0; (manager = p[i]); i++) { + map = manager.map; + url = map.url; + fullName = map.fullName; + + //If the manager is for a plugin managed resource, + //ask the plugin to load it now. + if (map.prefix) { + callPlugin(map.prefix, manager); + } else { + //Regular dependency. + if (!urlFetched[url] && !loaded[fullName]) { + (config.requireLoad || req.load)(context, fullName, url); + + //Mark the URL as fetched, but only if it is + //not an empty: URL, used by the optimizer. + //In that case we need to be sure to call + //load() for each module that is mapped to + //empty: so that dependencies are satisfied + //correctly. + if (url.indexOf('empty:') !== 0) { + urlFetched[url] = true; + } + } + } + } + + //Move the start time for timeout forward. + context.startTime = (new Date()).getTime(); + context.pausedCount -= p.length; + } + } + + //Only check if loaded when resume depth is 1. It is likely that + //it is only greater than 1 in sync environments where a factory + //function also then calls the callback-style require. In those + //cases, the checkLoaded should not occur until the resume + //depth is back at the top level. + if (resumeDepth === 1) { + checkLoaded(); + } + + resumeDepth -= 1; + + return undefined; + }; + + //Define the context object. Many of these fields are on here + //just to make debugging easier. + context = { + contextName: contextName, + config: config, + defQueue: defQueue, + waiting: waiting, + waitCount: 0, + specified: specified, + loaded: loaded, + urlMap: urlMap, + urlFetched: urlFetched, + scriptCount: 0, + defined: defined, + paused: [], + pausedCount: 0, + plugins: plugins, + needFullExec: needFullExec, + fake: {}, + fullExec: fullExec, + managerCallbacks: managerCallbacks, + makeModuleMap: makeModuleMap, + normalize: normalize, + /** + * Set a configuration for the context. + * @param {Object} cfg config object to integrate. + */ + configure: function (cfg) { + var paths, prop, packages, pkgs, packagePaths, requireWait; + + //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 and packages since they require special processing, + //they are additive. + paths = config.paths; + packages = config.packages; + pkgs = config.pkgs; + + //Mix in the config values, favoring the new values over + //existing ones in context.config. + mixin(config, cfg, true); + + //Adjust paths if necessary. + if (cfg.paths) { + for (prop in cfg.paths) { + if (!(prop in empty)) { + paths[prop] = cfg.paths[prop]; + } + } + config.paths = paths; + } + + packagePaths = cfg.packagePaths; + if (packagePaths || cfg.packages) { + //Convert packagePaths into a packages config. + if (packagePaths) { + for (prop in packagePaths) { + if (!(prop in empty)) { + configurePackageDir(pkgs, packagePaths[prop], prop); + } + } + } + + //Adjust packages if necessary. + if (cfg.packages) { + configurePackageDir(pkgs, cfg.packages); + } + + //Done with modifications, assing packages back to context config + config.pkgs = pkgs; + } + + //If priority loading is in effect, trigger the loads now + if (cfg.priority) { + //Hold on to requireWait value, and reset it after done + requireWait = context.requireWait; + + //Allow tracing some require calls to allow the fetching + //of the priority config. + context.requireWait = false; + //But first, call resume to register any defined modules that may + //be in a data-main built file before the priority config + //call. + resume(); + + context.require(cfg.priority); + + //Trigger a resume right away, for the case when + //the script with the priority load is done as part + //of a data-main call. In that case the normal resume + //call will not happen because the scriptCount will be + //at 1, since the script for data-main is being processed. + resume(); + + //Restore previous state. + context.requireWait = requireWait; + config.priorityWait = cfg.priority; + } + + //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); + } + }, + + requireDefined: function (moduleName, relModuleMap) { + return makeModuleMap(moduleName, relModuleMap).fullName in defined; + }, + + requireSpecified: function (moduleName, relModuleMap) { + return makeModuleMap(moduleName, relModuleMap).fullName in specified; + }, + + require: function (deps, callback, relModuleMap) { + var moduleName, fullName, moduleMap; + if (typeof deps === "string") { + if (isFunction(callback)) { + //Invalid call + return req.onError(makeError("requireargs", "Invalid require call")); + } + + //Synchronous access to one module. If require.get is + //available (as in the Node adapter), prefer that. + //In this case deps is the moduleName and callback is + //the relModuleMap + if (req.get) { + return req.get(context, deps, callback); + } + + //Just return the module wanted. In this scenario, the + //second arg (if passed) is just the relModuleMap. + moduleName = deps; + relModuleMap = callback; + + //Normalize module name, if it contains . or .. + moduleMap = makeModuleMap(moduleName, relModuleMap); + fullName = moduleMap.fullName; + + if (!(fullName in defined)) { + return req.onError(makeError("notloaded", "Module name '" + + moduleMap.fullName + + "' has not been loaded yet for context: " + + contextName)); + } + return defined[fullName]; + } + + //Call main but only if there are dependencies or + //a callback to call. + if (deps && deps.length || callback) { + main(null, deps, callback, relModuleMap); + } + + //If the require call does not trigger anything new to load, + //then resume the dependency processing. + if (!context.requireWait) { + while (!context.scriptCount && context.paused.length) { + resume(); + } + } + return context.require; + }, + + /** + * Internal method to transfer globalQueue items to this context's + * defQueue. + */ + takeGlobalQueue: function () { + //Push all the globalDefQueue items into the context's defQueue + if (globalDefQueue.length) { + //Array splice in the values since the context code has a + //local var ref to defQueue, so cannot just reassign the one + //on context. + apsp.apply(context.defQueue, + [context.defQueue.length - 1, 0].concat(globalDefQueue)); + globalDefQueue = []; + } + }, + + /** + * 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 args; + + context.takeGlobalQueue(); + + while (defQueue.length) { + args = defQueue.shift(); + + if (args[0] === null) { + args[0] = moduleName; + break; + } else if (args[0] === moduleName) { + //Found matching define call for this script! + break; + } else { + //Some other named define call, most likely the result + //of a build layer that included many define calls. + callDefMain(args); + args = null; + } + } + if (args) { + callDefMain(args); + } else { + //A script that does not call define(), so just simulate + //the call for it. Special exception for jQuery dynamic load. + callDefMain([moduleName, [], + moduleName === "jquery" && typeof jQuery !== "undefined" ? + function () { + return jQuery; + } : null]); + } + + //Doing this scriptCount decrement branching because sync envs + //need to decrement after resume, otherwise it looks like + //loading is complete after the first dependency is fetched. + //For browsers, it works fine to decrement after, but it means + //the checkLoaded setTimeout 50 ms cost is taken. To avoid + //that cost, decrement beforehand. + if (req.isAsync) { + context.scriptCount -= 1; + } + resume(); + if (!req.isAsync) { + context.scriptCount -= 1; + } + }, + + /** + * 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, relModuleMap) { + var index = moduleNamePlusExt.lastIndexOf("."), + ext = null; + + if (index !== -1) { + ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length); + moduleNamePlusExt = moduleNamePlusExt.substring(0, index); + } + + return context.nameToUrl(moduleNamePlusExt, ext, relModuleMap); + }, + + /** + * Converts a module name to a file path. Supports cases where + * moduleName may actually be just an URL. + */ + nameToUrl: function (moduleName, ext, relModuleMap) { + var paths, pkgs, pkg, pkgPath, syms, i, parentModule, url, + config = context.config; + + //Normalize module name if have a base relative module name to work from. + moduleName = normalize(moduleName, relModuleMap && relModuleMap.fullName); + + //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 ? ext : ""); + } else { + //A module that needs to be converted to a path. + paths = config.paths; + pkgs = config.pkgs; + + 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--) { + parentModule = syms.slice(0, i).join("/"); + if (paths[parentModule]) { + syms.splice(0, i, paths[parentModule]); + break; + } else if ((pkg = pkgs[parentModule])) { + //If module name is just the package name, then looking + //for the main module. + if (moduleName === pkg.name) { + pkgPath = pkg.location + '/' + pkg.main; + } else { + pkgPath = pkg.location; + } + syms.splice(0, i, pkgPath); + break; + } + } + + //Join the path parts together, then figure out if baseUrl is needed. + url = syms.join("/") + (ext || ".js"); + url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? "" : config.baseUrl) + url; + } + + return config.urlArgs ? url + + ((url.indexOf('?') === -1 ? '?' : '&') + + config.urlArgs) : url; + } + }; + + //Make these visible on the context so can be called at the very + //end of the file to bootstrap + context.jQueryCheck = jQueryCheck; + context.resume = resume; + + 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) { + + //Find the right context, use default + var contextName = defContextName, + context, config; + + // 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 = arguments[2]; + } else { + deps = []; + } + } + + if (config && config.context) { + contextName = config.context; + } + + context = contexts[contextName] || + (contexts[contextName] = newContext(contextName)); + + if (config) { + context.configure(config); + } + + return context.require(deps, callback); + }; + + /** + * Support require.config() to make it easier to cooperate with other + * AMD loaders on globally agreed names. + */ + req.config = function (config) { + return req(config); + }; + + /** + * Export require as a global, but only if it does not already exist. + */ + if (!require) { + require = req; + } + + /** + * Global require.toUrl(), to match global require, mostly useful + * for debugging/work in the global space. + */ + req.toUrl = function (moduleNamePlusExt) { + return contexts[defContextName].toUrl(moduleNamePlusExt); + }; + + req.version = version; + + //Used to filter out dependencies that are already paths. + req.jsExtRegExp = /^\/|:|\?|\.js$/; + s = req.s = { + contexts: contexts, + //Stores a list of URLs that should not get async script tag treatment. + skipAsync: {} + }; + + req.isAsync = req.isBrowser = isBrowser; + 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 = function (err) { + throw err; + }; + + /** + * 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) { + req.resourcesReady(false); + + context.scriptCount += 1; + req.attach(url, context, moduleName); + + //If tracking a jQuery, then make sure its ready callbacks + //are put on hold to prevent its ready callbacks from + //triggering too soon. + if (context.jQuery && !context.jQueryIncremented) { + jQueryHoldReady(context.jQuery, true); + context.jQueryIncremented = true; + } + }; + + function getInteractiveScript() { + var scripts, i, script; + if (interactiveScript && interactiveScript.readyState === 'interactive') { + return interactiveScript; + } + + scripts = document.getElementsByTagName('script'); + for (i = scripts.length - 1; i > -1 && (script = scripts[i]); i--) { + if (script.readyState === 'interactive') { + return (interactiveScript = script); + } + } + + return null; + } + + /** + * 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 functions + 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 = []; + } + + //If no name, and callback is a function, then figure out if it a + //CommonJS thing with dependencies. + if (!deps.length && isFunction(callback)) { + //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. + (context ? context.defQueue : globalDefQueue).push([name, deps, callback]); + + return undefined; + }; + + define.amd = { + multiversion: true, + plugins: true, + jQuery: true + }; + + /** + * Executes the text. Normally just uses eval, but can be modified + * to use a more environment specific call. + * @param {String} text the text to execute/evaluate. + */ + req.exec = function (text) { + return eval(text); + }; + + /** + * Executes a module callack 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 + */ + req.execCb = function (name, callback, args, exports) { + return callback.apply(exports, args); + }; + + + /** + * Adds a node to the DOM. Public function since used by the order plugin. + * This method should not normally be called by outside code. + */ + req.addScriptToDom = function (node) { + //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; + }; + + /** + * callback for script loads, used to check status of loading. + * + * @param {Event} evt the event from the browser for the script + * that was loaded. + * + * @private + */ + req.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. + var node = evt.currentTarget || evt.srcElement, contextName, moduleName, + context; + + if (evt.type === "load" || (node && readyRegExp.test(node.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. + contextName = node.getAttribute("data-requirecontext"); + moduleName = node.getAttribute("data-requiremodule"); + context = contexts[contextName]; + + contexts[contextName].completeLoad(moduleName); + + //Clean up script binding. 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. + node.detachEvent("onreadystatechange", req.onScriptLoad); + } else { + node.removeEventListener("load", req.onScriptLoad, false); + } + } + }; + + /** + * Attaches the script represented by the URL to the current + * environment. Right now only supports browser loading, + * but can be redefined in other environments to do the right thing. + * @param {String} url the url of the script to attach. + * @param {Object} context the context that wants the script. + * @param {moduleName} the name of the module that is associated with the script. + * @param {Function} [callback] optional callback, defaults to require.onScriptLoad + * @param {String} [type] optional type, defaults to text/javascript + * @param {Function} [fetchOnlyFunction] optional function to indicate the script node + * should be set up to fetch the script but do not attach it to the DOM + * so that it can later be attached to execute it. This is a way for the + * order plugin to support ordered loading in IE. Once the script is fetched, + * but not executed, the fetchOnlyFunction will be called. + */ + req.attach = function (url, context, moduleName, callback, type, fetchOnlyFunction) { + var node; + if (isBrowser) { + //In the browser so use a script tag + callback = callback || req.onScriptLoad; + node = context && context.config && context.config.xhtml ? + document.createElementNS("http://www.w3.org/1999/xhtml", "html:script") : + document.createElement("script"); + node.type = type || (context && context.config.scriptType) || + "text/javascript"; + node.charset = "utf-8"; + //Use async so Gecko does not block on executing the script if something + //like a long-polling comet tag is being run first. Gecko likes + //to evaluate scripts in DOM order, even for dynamic scripts. + //It will fetch them async, but only evaluate the contents in DOM + //order, so a long-polling script tag can delay execution of scripts + //after it. But telling Gecko we expect async gets us the behavior + //we want -- execute it whenever it is finished downloading. Only + //Helps Firefox 3.6+ + //Allow some URLs to not be fetched async. Mostly helps the order! + //plugin + node.async = !s.skipAsync[url]; + + if (context) { + 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() + // TODO: a better way to check interactive mode + !(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; + + + if (fetchOnlyFunction) { + //Need to use old school onreadystate here since + //when the event fires and the node is not attached + //to the DOM, the evt.srcElement is null, so use + //a closure to remember the node. + node.onreadystatechange = function (evt) { + //Script loaded but not executed. + //Clear loaded handler, set the real one that + //waits for script execution. + if (node.readyState === 'loaded') { + node.onreadystatechange = null; + node.attachEvent("onreadystatechange", callback); + fetchOnlyFunction(node); + } + }; + } else { + node.attachEvent("onreadystatechange", callback); + } + } else { + node.addEventListener("load", callback, false); + } + node.src = url; + + //Fetch only means waiting to attach to DOM after loaded. + if (!fetchOnlyFunction) { + req.addScriptToDom(node); + } + + return node; + } else if (isWebWorker) { + //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); + } + return null; + }; + + //Look for a data-main script attribute, which could also adjust the baseUrl. + if (isBrowser) { + //Figure out baseUrl. Get it from the script tag with require.js in it. + scripts = document.getElementsByTagName("script"); + + for (globalI = scripts.length - 1; globalI > -1 && (script = scripts[globalI]); globalI--) { + //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. + if ((dataMain = script.getAttribute('data-main'))) { + if (!cfg.baseUrl) { + //Pull off the directory of data-main for use as the + //baseUrl. + src = dataMain.split('/'); + mainScript = src.pop(); + subPath = src.length ? src.join('/') + '/' : './'; + + //Set final config. + cfg.baseUrl = subPath; + //Strip off any trailing .js since dataMain is now + //like a module name. + dataMain = mainScript.replace(jsSuffixRegExp, ''); + } + + //Put the data-main script in the files to load. + cfg.deps = cfg.deps ? cfg.deps.concat(dataMain) : [dataMain]; + + break; + } + } + } + + //See if there is nothing waiting across contexts, and if not, trigger + //resourcesReady. + req.checkReadyState = function () { + var contexts = s.contexts, prop; + for (prop in contexts) { + if (!(prop in empty)) { + if (contexts[prop].waitCount) { + return; + } + } + } + req.resourcesReady(true); + }; + + /** + * Internal function that is triggered whenever all scripts/resources + * have been loaded by the loader. Can be overridden by other, for + * instance the domReady plugin, which wants to know when all resources + * are loaded. + */ + req.resourcesReady = function (isReady) { + var contexts, context, prop; + + //First, set the public variable indicating that resources are loading. + req.resourcesDone = isReady; + + if (req.resourcesDone) { + //If jQuery with DOM ready delayed, release it now. + contexts = s.contexts; + for (prop in contexts) { + if (!(prop in empty)) { + context = contexts[prop]; + if (context.jQueryIncremented) { + jQueryHoldReady(context.jQuery, false); + context.jQueryIncremented = false; + } + } + } + } + }; + + //FF < 3.6 readyState fix. Needed so that domReady plugin + //works well in that environment, since require.js is normally + //loaded via an HTML script tag so it will be there before window load, + //where the domReady plugin is more likely to be loaded after window load. + req.pageLoaded = function () { + if (document.readyState !== "complete") { + document.readyState = "complete"; + } + }; + if (isBrowser) { + if (document.addEventListener) { + if (!document.readyState) { + document.readyState = "loading"; + window.addEventListener("load", req.pageLoaded, false); + } + } + } + + //Set up default context. If require was a configuration object, use that as base config. + req(cfg); + + //If modules are built into require.js, then need to make sure dependencies are + //traced. Use a setTimeout in the browser world, to allow all the modules to register + //themselves. In a non-browser env, assume that modules are not built into require.js, + //which seems odd to do on the server. + if (req.isAsync && typeof setTimeout !== "undefined") { + ctx = s.contexts[(cfg.context || defContextName)]; + //Indicate that the script that includes require() is still loading, + //so that require()'d dependencies are not traced until the end of the + //file is parsed (approximated via the setTimeout call). + ctx.requireWait = true; + setTimeout(function () { + ctx.requireWait = false; + + if (!ctx.scriptCount) { + ctx.resume(); + } + req.checkReadyState(); + }, 0); + } +}()); -- 2.39.5