framework-factory
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A wonderful factory framwork for creating modern object oriented javascript libraries.
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JavaScript
/** vim: et:ts=4:sw=4:sts=4
* @license RequireJS 1.0.6 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 () {
//Change this version number for each release.
var version = "1.0.6",
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,
cjsModule;
//Call the callback to define the module, if necessary.
if (cb && isFunction(cb)) {
if (config.catchError.define) {
try {
ret = req.execCb(fullName, manager.callback, args, defined[fullName]);
} catch (e) {
err = e;
}
} else {
ret = req.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;