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0 parents commit 5965d74014c6f6c4423c3a1593e5a945a56e974b @jrburke committed Nov 23, 2011
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  1. +4 −0 README.md
  2. +10 −0 demo/index.html
  3. +159 −0 demo/lib/has.js
  4. +67 −0 demo/lib/has/array.js
  5. +5 −0 demo/lib/isArray.js
  6. +10 −0 demo/lib/main.js
  7. +5 −0 demo/lib/noIsArray.js
  8. +1,952 −0 demo/lib/require.js
  9. +61 −0 hasm.js
4 README.md
@@ -0,0 +1,4 @@
+# require-hasm
+
+An AMD loader plugin that uses the has.js project to determine which module
+to load. Still under development/experimental.
10 demo/index.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <title>hasm Loader Plugin Demo</title>
+ <script data-main="lib/main" src="lib/require.js"></script>
+</head>
+<body>
+ <h1>hasm Loader Plugin Demo</h1>
+</body>
+</html>
159 demo/lib/has.js
@@ -0,0 +1,159 @@
+(function(g){
+
+ // summary: A simple feature detection function/framework.
+ //
+ // name: String
+ // The name of the feature to detect, as defined by the overall `has` tests.
+ // Tests can be registered via `has.add(testname, testfunction)`.
+ //
+ // example:
+ // mylibrary.bind = has("native-bind") ? function(fn, context){
+ // return fn.bind(context);
+ // } : function(fn, context){
+ // return function(){
+ // fn.apply(context, arguments);
+ // }
+ // }
+
+ var NON_HOST_TYPES = { "boolean": 1, "number": 1, "string": 1, "undefined": 1 },
+ VENDOR_PREFIXES = ["Webkit", "Moz", "O", "ms", "Khtml"],
+ d = isHostType(g, "document") && g.document,
+ el = d && isHostType(d, "createElement") && d.createElement("DiV"),
+ testCache = {}
+ ;
+
+ function has(/* String */name){
+ if(typeof testCache[name] == "function"){
+ testCache[name] = testCache[name](g, d, el);
+ }
+ return testCache[name]; // Boolean
+ }
+
+ function add(/* String */name, /* Function */test, /* Boolean? */now){
+ // summary: Register a new feature detection test for some named feature
+ //
+ // name: String
+ // The name of the feature to test.
+ //
+ // test: Function
+ // A test function to register. If a function, queued for testing until actually
+ // needed. The test function should return a boolean indicating
+ // the presence of a feature or bug.
+ //
+ // now: Boolean?
+ // Optional. Omit if `test` is not a function. Provides a way to immediately
+ // run the test and cache the result.
+ // example:
+ // A redundant test, testFn with immediate execution:
+ // | has.add("javascript", function(){ return true; }, true);
+ //
+ // example:
+ // Again with the redundantness. You can do this in your tests, but we should
+ // not be doing this in any internal has.js tests
+ // | has.add("javascript", true);
+ //
+ // example:
+ // Three things are passed to the testFunction. `global`, `document`, and a generic element
+ // from which to work your test should the need arise.
+ // | has.add("bug-byid", function(g, d, el){
+ // | // g == global, typically window, yadda yadda
+ // | // d == document object
+ // | // el == the generic element. a `has` element.
+ // | return false; // fake test, byid-when-form-has-name-matching-an-id is slightly longer
+ // | });
+ testCache[name] = now ? test(g, d, el) : test;
+ }
+
+ // cssprop adapted from http://gist.github.com/598008 (thanks, ^pi)
+ function cssprop(name, el){
+ var supported = false,
+ capitalized = name.charAt(0).toUpperCase() + name.slice(1),
+ length = VENDOR_PREFIXES.length,
+ style = el.style;
+
+ if(typeof style[name] == "string"){
+ supported = true;
+ }else{
+ while(length--){
+ if(typeof style[VENDOR_PREFIXES[length] + capitalized] == "string"){
+ supported = true;
+ break;
+ }
+ }
+ }
+ return supported;
+ }
+
+ function clearElement(el){
+ if(el){
+ while(el.lastChild){
+ el.removeChild(el.lastChild);
+ }
+ }
+ return el;
+ }
+
+ // Host objects can return type values that are different from their actual
+ // data type. The objects we are concerned with usually return non-primitive
+ // types of object, function, or unknown.
+ function isHostType(object, property){
+ var type = typeof object[property];
+ return type == 'object' ? !!object[property] : !NON_HOST_TYPES[type];
+ }
+
+ //>>excludeStart("production", true);
+ function all(){
+ // summary: For debugging or logging, can be removed in production. Run all known tests
+ // at some point in time for the current environment.
+ var name, ret = {};
+ for(name in testCache){
+ try{
+ ret[name] = has(name);
+ }catch(e){
+ ret[name] = "error";
+ ret[name].ERROR_MSG = e.toString();
+ }
+ }
+ return ret;
+ }
+
+ has.all = all;
+ //>>excludeEnd("production");
+ has.add = add;
+ has.clearElement = clearElement;
+ has.cssprop = cssprop;
+ has.isHostType = isHostType;
+ has._tests = testCache;
+
+ has.add("dom", function(g, d, el){
+ return d && el && isHostType(g, "location") && isHostType(d, "documentElement") &&
+ isHostType(d, "getElementById") && isHostType(d, "getElementsByName") &&
+ isHostType(d, "getElementsByTagName") && isHostType(d, "createComment") &&
+ isHostType(d, "createElement") && isHostType(d, "createTextNode") &&
+ isHostType(el, "appendChild") && isHostType(el, "insertBefore") &&
+ isHostType(el, "removeChild") && isHostType(el, "getAttribute") &&
+ isHostType(el, "setAttribute") && isHostType(el, "removeAttribute") &&
+ isHostType(el, "style") && typeof el.style.cssText == "string";
+ });
+
+ // Stop repeat background-image requests and reduce memory consumption in IE6 SP1
+ // http://misterpixel.blogspot.com/2006/09/forensic-analysis-of-ie6.html
+ // http://blogs.msdn.com/b/cwilso/archive/2006/11/07/ie-re-downloading-background-images.aspx?PageIndex=1
+ // http://support.microsoft.com/kb/823727
+ try{
+ document.execCommand("BackgroundImageCache", false, true);
+ }catch(e){}
+
+
+ if(typeof module === 'object' && module.exports){
+ // For Node
+ module.exports = has;
+ }else if(typeof define === 'function' && define.amd){
+ // AMD. Register as an anonymous module.
+ define(function(){ return has; });
+ }else{
+ // Browser globals
+ g.has = has;
+ }
+
+}(this));
67 demo/lib/has/array.js
@@ -0,0 +1,67 @@
+(function(factory){
+ if(typeof exports === 'object'){
+ module.exports = factory(require('has'));
+ }else if(typeof define === 'function' && define.amd){
+ define(['has'], factory);
+ }else{
+ factory(has);
+ }
+}(function(has){
+
+ var addtest = has.add,
+ cssprop = has.cssprop,
+ toString = {}.toString,
+ EMPTY_ARRAY = [],
+ FUNCTION_CLASS = "[object Function]";
+
+ // Array tests
+ addtest("array-every", function(){
+ return toString.call(EMPTY_ARRAY.every) == FUNCTION_CLASS;
+ });
+
+ addtest("array-filter", function(){
+ return toString.call(EMPTY_ARRAY.filter) == FUNCTION_CLASS;
+ });
+
+ addtest("array-foreach", function(){
+ return toString.call(EMPTY_ARRAY.forEach) == FUNCTION_CLASS;
+ });
+
+ addtest("array-indexof", function(){
+ return toString.call(EMPTY_ARRAY.indexOf) == FUNCTION_CLASS;
+ });
+
+ addtest("array-isarray", function(){
+ return toString.call(Array.isArray) == FUNCTION_CLASS &&
+ Array.isArray(EMPTY_ARRAY) === true;
+ });
+
+ addtest("array-lastindexof", function(){
+ return toString.call(EMPTY_ARRAY.lastIndexOf) == FUNCTION_CLASS;
+ });
+
+ addtest("array-map", function(){
+ return toString.call(EMPTY_ARRAY.map) == FUNCTION_CLASS;
+ });
+
+ addtest("array-reduce", function(){
+ return toString.call(EMPTY_ARRAY.reduce) == FUNCTION_CLASS;
+ });
+
+ addtest("array-reduceright", function(){
+ return toString.call(EMPTY_ARRAY.reduce) == FUNCTION_CLASS;
+ });
+
+ addtest("array-some", function(){
+ return toString.call(EMPTY_ARRAY.some) == FUNCTION_CLASS;
+ });
+
+ addtest("array-es5", function(){
+ return has("array-every") && has("array-filter") && has("array-foreach") &&
+ has("array-indexof") && has("array-isarray") && has("array-lastindexof") &&
+ has("array-map") && has("array-reduce") && has("array-reduceright") &&
+ has("array-some");
+ });
+
+ return has;
+}));
5 demo/lib/isArray.js
@@ -0,0 +1,5 @@
+define(function () {
+ return function () {
+ console.log('isArray.js was loaded');
+ };
+});
10 demo/lib/main.js
@@ -0,0 +1,10 @@
+
+requirejs.config({
+ paths: {
+ hasm: '../../hasm'
+ }
+});
+
+require(['hasm!has/array!array-isarray?isArray:noIsArray'], function (hasArray) {
+ hasArray();
+});
5 demo/lib/noIsArray.js
@@ -0,0 +1,5 @@
+define(function () {
+ return function () {
+ console.log('noIsArray.js was loaded');
+ };
+});
1,952 demo/lib/require.js
@@ -0,0 +1,1952 @@
+/** vim: et:ts=4:sw=4:sts=4
+ * @license RequireJS 1.0.2 Copyright (c) 2010-2011, 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: false, navigator: false, document: false, importScripts: false,
+ jQuery: false, clearInterval: false, setInterval: false, self: false,
+ setTimeout: false, opera: false */
+
+var requirejs, require, define;
+(function () {
+ //Change this version number for each release.
+ var version = "1.0.2",
+ 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,
+ req, cfg = {}, currentlyAddingScript, s, head, baseElement, scripts, script,
+ src, subPath, mainScript, dataMain, i, 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.
+ url = context.nameToUrl(normalizedName, 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) {
+ var modRequire = makeContextModuleFunc(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), 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;
+
+ 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) {
+ pluginManager = getManager(makeModuleMap(prefix), 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 forceExec(manager, traced) {
+ if (manager.isDone) {
+ return undefined;
+ }
+
+ var fullName = manager.map.fullName,
+ depArray = manager.depArray,
+ i, depName, depManager, prefix, prefixManager, value;
+
+ 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 fullName ? defined[fullName] : undefined;
+ }
+
+ /**
+ * 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, prop,
+ err, manager;
+
+ //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;
+ break;
+ }
+ }
+ }
+ }
+
+ //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;
+ return req.onError(err);
+ }
+ if (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;
+
+ 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]) {
+ 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. Also grab any waiting define calls for this context.
+ context.takeGlobalQueue();
+ 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) {
+ //For built layers, there can be some defined
+ //modules waiting for intake into the context,
+ //in particular module plugins. Take them.
+ context.takeGlobalQueue();
+ 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]);
+ }
+
+ //If a global jQuery is defined, check for it. Need to do it here
+ //instead of main() since stock jQuery does not register as
+ //a module via define.
+ jQueryCheck();
+
+ //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 or ends with .js, it is just a plain file.
+ //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 || "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 && !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 (i = scripts.length - 1; i > -1 && (script = scripts[i]); i--) {
+ //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;
+
+ //Any modules included with the require.js file will be in the
+ //global queue, assign them to this context.
+ ctx.takeGlobalQueue();
+
+ //Allow for jQuery to be loaded/already in the page, and if jQuery 1.4.3,
+ //make sure to hold onto it for readyWait triggering.
+ ctx.jQueryCheck();
+
+ if (!ctx.scriptCount) {
+ ctx.resume();
+ }
+ req.checkReadyState();
+ }, 0);
+ }
+}());
61 hasm.js
@@ -0,0 +1,61 @@
+/**
+ * @license require-has 0.0.1 Copyright (c) 2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/require-has for details
+ */
+
+/*jslint strict: false, regexp: false */
+/*global define: false */
+
+define(['has'], function (has) {
+
+ var resourceRegExp = /([^\?]+)\?(.*)/;
+
+ function completeLoad(require, load, hasMod, testName, trueName, falseName) {
+ if (hasMod(testName)) {
+ if (trueName) {
+ require([trueName], load);
+ } else {
+ load();
+ }
+ } else {
+ if (falseName) {
+ require([falseName], load);
+ } else {
+ load();
+ }
+ }
+ }
+
+ return {
+ load: function (name, require, load, config) {
+ //name is format:
+ //module/path!testName?trueModuleName:falseModuleName.
+
+ var match = resourceRegExp.exec(name),
+
+ testParts = match[1].split('!'),
+ moduleName = testParts[0],
+ testName = testParts[1],
+
+ boolParts = match[2].split(':'),
+ trueName = boolParts[0],
+ falseName = boolParts[1];
+
+ //If no testName, then it really means no moduleName was passed
+ //in so rearrange the values.
+ if (!testName) {
+ testName = moduleName;
+ moduleName = null;
+ }
+
+ if (moduleName) {
+ require([moduleName], function (hasMod) {
+ completeLoad(require, load, hasMod, testName, trueName, falseName);
+ });
+ } else {
+ completeLoad(require, load, has, testName, trueName, falseName);
+ }
+ }
+ };
+});

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