+
+
diff --git a/demo/kitchen-sink/require.js b/demo/kitchen-sink/require.js
index 068e34c8..d016e1da 100644
--- a/demo/kitchen-sink/require.js
+++ b/demo/kitchen-sink/require.js
@@ -1,54 +1,98 @@
/** vim: et:ts=4:sw=4:sts=4
- * @license RequireJS 1.0.8 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
+ * @license RequireJS 2.0.1 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 */
+/*jslint regexp: true, nomen: true */
/*global window, navigator, document, importScripts, jQuery, setTimeout, opera */
var requirejs, require, define;
-(function (undefined) {
- //Change this version number for each release.
- var version = "1.0.8",
+(function (global) {
+ 'use strict';
+
+ var version = '2.0.1',
commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg,
- cjsRequireRegExp = /require\(\s*["']([^'"\s]+)["']\s*\)/g,
- currDirRegExp = /^\.\//,
+ cjsRequireRegExp = /require\s*\(\s*["']([^'"\s]+)["']\s*\)/g,
jsSuffixRegExp = /\.js$/,
+ currDirRegExp = /^\.\//,
ostring = Object.prototype.toString,
ap = Array.prototype,
aps = ap.slice,
apsp = ap.splice,
- isBrowser = !!(typeof window !== "undefined" && navigator && document),
- isWebWorker = !isBrowser && typeof importScripts !== "undefined",
+ isBrowser = !!(typeof window !== 'undefined' && navigator && document),
+ isWebWorker = !isBrowser && typeof importScripts !== 'undefined',
//PS3 indicates loaded and complete, but need to wait for complete
- //specifically. Sequence is "loading", "loaded", execution,
- // then "complete". The UA check is unfortunate, but not sure how
+ //specifically. Sequence is 'loading', 'loaded', execution,
+ // then 'complete'. The UA check is unfortunate, but not sure how
//to feature test w/o causing perf issues.
readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ?
/^complete$/ : /^(complete|loaded)$/,
- defContextName = "_",
+ defContextName = '_',
//Oh the tragedy, detecting opera. See the usage of isOpera for reason.
- isOpera = typeof opera !== "undefined" && opera.toString() === "[object Opera]",
- empty = {},
+ isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]',
contexts = {},
+ cfg = {},
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;
+ req, s, head, baseElement, dataMain, src,
+ interactiveScript, currentlyAddingScript, mainScript, subPath;
function isFunction(it) {
- return ostring.call(it) === "[object Function]";
+ return ostring.call(it) === '[object Function]';
}
function isArray(it) {
- return ostring.call(it) === "[object Array]";
+ return ostring.call(it) === '[object Array]';
+ }
+
+ /**
+ * Helper function for iterating over an array. If the func returns
+ * a true value, it will break out of the loop.
+ */
+ function each(ary, func) {
+ if (ary) {
+ var i;
+ for (i = 0; i < ary.length; i += 1) {
+ if (func(ary[i], i, ary)) {
+ break;
+ }
+ }
+ }
+ }
+
+ /**
+ * Helper function for iterating over an array backwards. If the func
+ * returns a true value, it will break out of the loop.
+ */
+ function eachReverse(ary, func) {
+ if (ary) {
+ var i;
+ for (i = ary.length - 1; i > -1; i -= 1) {
+ if (func(ary[i], i, ary)) {
+ break;
+ }
+ }
+ }
+ }
+
+ function hasProp(obj, prop) {
+ return obj.hasOwnProperty(prop);
+ }
+
+ /**
+ * Cycles over properties in an object and calls a function for each
+ * property value. If the function returns a truthy value, then the
+ * iteration is stopped.
+ */
+ function eachProp(obj, func) {
+ var prop;
+ for (prop in obj) {
+ if (obj.hasOwnProperty(prop)) {
+ if (func(obj[prop], prop)) {
+ break;
+ }
+ }
+ }
}
/**
@@ -59,12 +103,64 @@ var requirejs, require, define;
* 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];
- }
+ if (source) {
+ eachProp(source, function (value, prop) {
+ if (force || !hasProp(target, prop)) {
+ target[prop] = value;
+ }
+ });
}
- return req;
+ }
+
+ //Similar to Function.prototype.bind, but the 'this' object is specified
+ //first, since it is easier to read/figure out what 'this' will be.
+ function bind(obj, fn) {
+ return function () {
+ return fn.apply(obj, arguments);
+ };
+ }
+
+ function scripts() {
+ return document.getElementsByTagName('script');
+ }
+
+ //Allow getting a global that expressed in
+ //dot notation, like 'a.b.c'.
+ function getGlobal(value) {
+ if (!value) {
+ return value;
+ }
+ var g = global;
+ each(value.split('.'), function (part) {
+ g = g[part];
+ });
+ return g;
+ }
+
+ function makeContextModuleFunc(func, relMap, 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(relMap);
+ return func.apply(null, args);
+ };
+ }
+
+ function addRequireMethods(req, context, relMap) {
+ each([
+ ['toUrl'],
+ ['undef'],
+ ['defined', 'requireDefined'],
+ ['specified', 'requireSpecified']
+ ], function (item) {
+ req[item[0]] = makeContextModuleFunc(context[item[1] || item[0]], relMap);
+ });
}
/**
@@ -75,128 +171,61 @@ var requirejs, require, define;
*
* @returns {Error}
*/
- function makeError(id, msg, err) {
+ function makeError(id, msg, err, requireModules) {
var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id);
+ e.requireType = id;
+ e.requireModules = requireModules;
if (err) {
e.originalError = err;
}
return e;
}
- /**
- * 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 (typeof define !== 'undefined') {
//If a define is already in play via another AMD loader,
//do not overwrite.
return;
}
- if (typeof requirejs !== "undefined") {
+ if (typeof requirejs !== 'undefined') {
if (isFunction(requirejs)) {
//Do not overwrite and existing requirejs instance.
return;
- } else {
- cfg = requirejs;
- requirejs = undefined;
}
+ cfg = requirejs;
+ requirejs = undefined;
}
//Allow for a require config object
- if (typeof require !== "undefined" && !isFunction(require)) {
+ 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 = {
+ var config = {
waitSeconds: 7,
- baseUrl: "./",
+ baseUrl: './',
paths: {},
pkgs: {},
- catchError: {}
+ shim: {}
},
+ registry = {},
+ undefEvents = {},
defQueue = [],
- specified = {
- "require": true,
- "exports": true,
- "module": true
- },
- urlMap = {},
defined = {},
- loaded = {},
- waiting = {},
- waitAry = [],
+ urlMap = {},
urlFetched = {},
- managerCounter = 0,
- managerCallbacks = {},
- plugins = {},
- //Used to indicate which modules in a build scenario
- //need to be full executed.
- needFullExec = {},
- fullExec = {},
- resumeDepth = 0;
+ requireCounter = 1,
+ unnormalizedCounter = 1,
+ //Used to track the order in which modules
+ //should be executed, by the order they
+ //load. Important for consistent cycle resolution
+ //behavior.
+ waitAry = [],
+ inCheckLoaded, Module, context, handlers,
+ checkLoadedTimeoutId;
/**
* Trims the . and .. from an array of path segments.
@@ -209,11 +238,12 @@ var requirejs, require, define;
*/
function trimDots(ary) {
var i, part;
- for (i = 0; (part = ary[i]); i++) {
- if (part === ".") {
+ for (i = 0; ary[i]; i+= 1) {
+ part = ary[i];
+ if (part === '.') {
ary.splice(i, 1);
i -= 1;
- } else if (part === "..") {
+ } 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
@@ -236,13 +266,19 @@ var requirejs, require, define;
* @param {String} name the relative name
* @param {String} baseName a real name that the name arg is relative
* to.
+ * @param {Boolean} applyMap apply the map config to the value. Should
+ * only be done if this normalization is for a dependency ID.
* @returns {String} normalized name
*/
- function normalize(name, baseName) {
- var pkgName, pkgConfig;
+ function normalize(name, baseName, applyMap) {
+ var baseParts = baseName && baseName.split('/'),
+ map = config.map,
+ starMap = map && map['*'],
+ pkgName, pkgConfig, mapValue, nameParts, i, j, nameSegment,
+ foundMap;
//Adjust any relative paths.
- if (name && name.charAt(0) === ".") {
+ 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.
@@ -250,36 +286,99 @@ var requirejs, require, define;
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];
+ baseParts = [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
+ //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);
+ baseParts = baseParts.slice(0, baseParts.length - 1);
}
- name = baseName.concat(name.split("/"));
+ name = baseParts.concat(name.split('/'));
trimDots(name);
//Some use of packages may use a . path to reference the
- //"main" module name, so normalize for that.
+ //'main' module name, so normalize for that.
pkgConfig = config.pkgs[(pkgName = name[0])];
- name = name.join("/");
+ name = name.join('/');
if (pkgConfig && name === pkgName + '/' + pkgConfig.main) {
name = pkgName;
}
- } else if (name.indexOf("./") === 0) {
+ } 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);
}
}
+
+ //Apply map config if available.
+ if (applyMap && (baseParts || starMap) && map) {
+ nameParts = name.split('/');
+
+ for (i = nameParts.length; i > 0; i -= 1) {
+ nameSegment = nameParts.slice(0, i).join('/');
+
+ if (baseParts) {
+ //Find the longest baseName segment match in the config.
+ //So, do joins on the biggest to smallest lengths of baseParts.
+ for (j = baseParts.length; j > 0; j -= 1) {
+ mapValue = map[baseParts.slice(0, j).join('/')];
+
+ //baseName segment has config, find if it has one for
+ //this name.
+ if (mapValue) {
+ mapValue = mapValue[nameSegment];
+ if (mapValue) {
+ //Match, update name to the new value.
+ foundMap = mapValue;
+ break;
+ }
+ }
+ }
+ }
+
+ if (!foundMap && starMap && starMap[nameSegment]) {
+ foundMap = starMap[nameSegment];
+ }
+
+ if (foundMap) {
+ nameParts.splice(0, i, foundMap);
+ name = nameParts.join('/');
+ break;
+ }
+ }
+ }
+
return name;
}
+ function removeScript(name) {
+ if (isBrowser) {
+ each(scripts(), function (scriptNode) {
+ if (scriptNode.getAttribute('data-requiremodule') === name &&
+ scriptNode.getAttribute('data-requirecontext') === context.contextName) {
+ scriptNode.parentNode.removeChild(scriptNode);
+ return true;
+ }
+ });
+ }
+ }
+
+ function hasPathFallback(id) {
+ var pathConfig = config.paths[id];
+ if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) {
+ removeScript(id);
+ //Pop off the first array value, since it failed, and
+ //retry
+ pathConfig.shift();
+ context.undef(id);
+ context.require([id]);
+ return true;
+ }
+ }
+
/**
* Creates a module mapping that includes plugin prefix, module
* name, and path. If parentModuleMap is provided it will
@@ -288,15 +387,28 @@ var requirejs, require, define;
* @param {String} name the module name
* @param {String} [parentModuleMap] parent module map
* for the module name, used to resolve relative names.
+ * @param {Boolean} isNormalized: is the ID already normalized.
+ * This is true if this call is done for a define() module ID.
+ * @param {Boolean} applyMap: apply the map config to the ID.
+ * Should only be true if this map is for a dependency.
*
* @returns {Object}
*/
- function makeModuleMap(name, parentModuleMap) {
- var index = name ? name.indexOf("!") : -1,
+ function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) {
+ var index = name ? name.indexOf('!') : -1,
prefix = null,
parentName = parentModuleMap ? parentModuleMap.name : null,
originalName = name,
- normalizedName, url, pluginModule;
+ isDefine = true,
+ normalizedName = '',
+ url, pluginModule, suffix;
+
+ //If no name, then it means it is a require call, generate an
+ //internal name.
+ if (!name) {
+ isDefine = false;
+ name = '_@r' + (requireCounter += 1);
+ }
if (index !== -1) {
prefix = name.substring(0, index);
@@ -304,24 +416,24 @@ var requirejs, require, define;
}
if (prefix) {
- prefix = normalize(prefix, parentName);
+ prefix = normalize(prefix, parentName, applyMap);
+ pluginModule = defined[prefix];
}
//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);
+ return normalize(name, parentName, applyMap);
});
} else {
- normalizedName = normalize(name, parentName);
+ normalizedName = normalize(name, parentName, applyMap);
}
} else {
//A regular module.
- normalizedName = normalize(name, parentName);
+ normalizedName = normalize(name, parentName, applyMap);
url = urlMap[normalizedName];
if (!url) {
@@ -342,50 +454,91 @@ var requirejs, require, define;
}
}
+ //If the id is a plugin id that cannot be determined if it needs
+ //normalization, stamp it with a unique ID so two matching relative
+ //ids that may conflict can be separate.
+ suffix = prefix && !pluginModule && !isNormalized ?
+ '_unnormalized' + (unnormalizedCounter += 1) :
+ '';
+
return {
prefix: prefix,
name: normalizedName,
parentMap: parentModuleMap,
+ unnormalized: !!suffix,
url: url,
originalName: originalName,
- fullName: prefix ? prefix + "!" + (normalizedName || '') : normalizedName
+ isDefine: isDefine,
+ id: (prefix ?
+ prefix + '!' + normalizedName :
+ normalizedName) + suffix
};
}
+ function getModule(depMap) {
+ var id = depMap.id,
+ mod = registry[id];
+
+ if (!mod) {
+ mod = registry[id] = new context.Module(depMap);
+ }
+
+ return mod;
+ }
+
+ function on(depMap, name, fn) {
+ var id = depMap.id,
+ mod = registry[id];
+
+ if (hasProp(defined, id) &&
+ (!mod || mod.defineEmitComplete)) {
+ if (name === 'defined') {
+ fn(defined[id]);
+ }
+ } else {
+ getModule(depMap).on(name, fn);
+ }
+ }
+
+ function onError(err, errback) {
+ var ids = err.requireModules,
+ notified = false;
+
+ if (errback) {
+ errback(err);
+ } else {
+ each(ids, function (id) {
+ var mod = registry[id];
+ if (mod) {
+ //Set error on module, so it skips timeout checks.
+ mod.error = err;
+ if (mod.events.error) {
+ notified = true;
+ mod.emit('error', err);
+ }
+ }
+ });
+
+ if (!notified) {
+ req.onError(err);
+ }
+ }
+ }
+
/**
- * Determine if priority loading is done. If so clear the priorityWait
+ * Internal method to transfer globalQueue items to this context's
+ * defQueue.
*/
- 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;
- }
+ function takeGlobalQueue() {
+ //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(defQueue,
+ [defQueue.length - 1, 0].concat(globalDefQueue));
+ globalDefQueue = [];
}
- 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);
- };
}
/**
@@ -394,686 +547,240 @@ var requirejs, require, define;
* 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);
+ function makeRequire(mod, enableBuildCallback, altRequire) {
+ var relMap = mod && mod.map,
+ modRequire = makeContextModuleFunc(altRequire || context.require,
+ relMap,
+ enableBuildCallback);
+
+ addRequireMethods(modRequire, context, relMap);
+ modRequire.isBrowser = isBrowser;
- mixin(modRequire, {
- nameToUrl: makeContextModuleFunc(context.nameToUrl, relModuleMap),
- toUrl: makeContextModuleFunc(context.toUrl, relModuleMap),
- defined: makeContextModuleFunc(context.requireDefined, relModuleMap),
- specified: makeContextModuleFunc(context.requireSpecified, relModuleMap),
- isBrowser: req.isBrowser
- });
return modRequire;
}
- /*
- * Queues a dependency for checking after the loader is out of a
- * "paused" state, for example while a script file is being loaded
- * in the browser, where it may have many modules defined in it.
- */
- function queueDependency(manager) {
- context.paused.push(manager);
- }
-
- function execManager(manager) {
- var i, ret, err, errFile, errModuleTree,
- cb = manager.callback,
- map = manager.map,
- fullName = map.fullName,
- args = manager.deps,
- listeners = manager.listeners,
- execCb = config.requireExecCb || req.execCb,
- cjsModule;
-
- //Call the callback to define the module, if necessary.
- if (cb && isFunction(cb)) {
- if (config.catchError.define) {
- try {
- ret = execCb(fullName, manager.callback, args, defined[fullName]);
- } catch (e) {
- err = e;
- }
- } else {
- ret = execCb(fullName, manager.callback, args, defined[fullName]);
+ handlers = {
+ 'require': function (mod) {
+ return makeRequire(mod);
+ },
+ 'exports': function (mod) {
+ mod.usingExports = true;
+ if (mod.map.isDefine) {
+ return (mod.exports = defined[mod.map.id] = {});
}
-
- 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);
- });
+ },
+ 'module': function (mod) {
+ return (mod.module = {
+ id: mod.map.id,
+ uri: mod.map.url,
+ config: function () {
+ return (config.config && config.config[mod.map.id]) || {};
+ },
+ exports: defined[mod.map.id]
});
- } 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;
+ function removeWaiting(id) {
+ //Clean up machinery used for waiting modules.
+ delete registry[id];
- if (manager.isDone || !fullName || !loaded[fullName]) {
- return result;
+ each(waitAry, function (mod, i) {
+ if (mod.map.id === id) {
+ waitAry.splice(i, 1);
+ if (!mod.defined) {
+ context.waitCount -= 1;
+ }
+ return true;
+ }
+ });
+ }
+
+ function findCycle(mod, traced) {
+ var id = mod.map.id,
+ depArray = mod.depMaps,
+ foundModule;
+
+ //Do not bother with unitialized modules or not yet enabled
+ //modules.
+ if (!mod.inited) {
+ return;
}
//Found the cycle.
- if (traced[fullName]) {
- return manager;
+ if (traced[id]) {
+ return mod;
}
- traced[fullName] = true;
+ traced[id] = 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];
- }
- }
+ each(depArray, function (depMap) {
+ var depId = depMap.id,
+ depMod = registry[depId];
- return result;
+ if (!depMod) {
+ return;
+ }
+
+ if (!depMod.inited || !depMod.enabled) {
+ //Dependency is not inited, so this cannot
+ //be used to determine a cycle.
+ foundModule = null;
+ delete traced[id];
+ return true;
+ }
+
+ return (foundModule = findCycle(depMod, traced));
+ });
+
+ return foundModule;
}
- function forceExec(manager, traced) {
- var fullName = manager.map.fullName,
- depArray = manager.depArray,
- i, depName, depManager, prefix, prefixManager, value;
+ function forceExec(mod, traced, uninited) {
+ var id = mod.map.id,
+ depArray = mod.depMaps;
-
- if (manager.isDone || !fullName || !loaded[fullName]) {
- return undefined;
+ if (!mod.inited || !mod.map.isDefine) {
+ return;
}
- if (fullName) {
- if (traced[fullName]) {
- return defined[fullName];
+ if (traced[id]) {
+ return defined[id];
+ }
+
+ traced[id] = mod;
+
+ each(depArray, function(depMap) {
+ var depId = depMap.id,
+ depMod = registry[depId],
+ value;
+
+ if (handlers[depId]) {
+ return;
}
- traced[fullName] = true;
- }
+ if (depMod) {
+ if (!depMod.inited || !depMod.enabled) {
+ //Dependency is not inited,
+ //so this module cannot be
+ //given a forced value yet.
+ uninited[id] = true;
+ return;
+ }
- //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);
- }
+ //Get the value for the current dependency
+ value = forceExec(depMod, traced, uninited);
+
+ //Even with forcing it may not be done,
+ //in particular if the module is waiting
+ //on a plugin resource.
+ if (!uninited[depId]) {
+ mod.defineDepById(depId, value);
}
}
- }
+ });
- return defined[fullName];
+ mod.check(true);
+
+ return defined[id];
+ }
+
+ function modCheck(mod) {
+ mod.check();
}
- /**
- * 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;
+ noLoads = [],
+ stillLoading = false,
+ needCycleCheck = true,
+ map, modId, err, usingPathFallback;
- //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;
+ //Do not bother if this call was a result of a cycle break.
+ if (inCheckLoaded) {
+ return;
}
- //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;
+ inCheckLoaded = true;
+
+ //Figure out the state of all the modules.
+ eachProp(registry, function (mod) {
+ map = mod.map;
+ modId = map.id;
+
+ //Skip things that are not enabled or in error state.
+ if (!mod.enabled) {
+ return;
}
- }
- //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 {
+ if (!mod.error) {
+ //If the module should be executed, and it has not
+ //been inited and time is up, remember it.
+ if (!mod.inited && expired) {
+ if (hasPathFallback(modId)) {
+ usingPathFallback = true;
stillLoading = true;
- 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);
- }
- }
+ } else {
+ noLoads.push(modId);
+ removeScript(modId);
+ }
+ } else if (!mod.inited && mod.fetched && map.isDefine) {
+ stillLoading = true;
+ if (!map.prefix) {
+ //No reason to keep looking for unfinished
+ //loading. If the only stillLoading is a
+ //plugin resource though, keep going,
+ //because it may be that a plugin resource
+ //is waiting on a non-plugin cycle.
+ return (needCycleCheck = false);
}
}
}
- }
+ });
- //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 (expired && noLoads.length) {
//If wait time expired, throw error of unloaded modules.
- err = makeError("timeout", "Load timeout for modules: " + noLoads);
- err.requireType = "timeout";
- err.requireModules = noLoads;
+ err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads);
err.contextName = context.contextName;
- return req.onError(err);
+ return 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;
- }
- }
+ //Not expired, check for a cycle.
+ if (needCycleCheck) {
+ each(waitAry, function (mod) {
+ if (mod.defined) {
+ return;
+ }
+
+ var cycleMod = findCycle(mod, {}),
+ traced = {};
+
+ if (cycleMod) {
+ forceExec(cycleMod, traced, {});
+
+ //traced modules may have been
+ //removed from the registry, but
+ //their listeners still need to
+ //be called.
+ eachProp(traced, modCheck);
+ }
+ });
+
+ //Now that dependencies have
+ //been satisfied, trigger the
+ //completion check that then
+ //notifies listeners.
+ eachProp(registry, modCheck);
}
//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)) {
+ if ((!expired || usingPathFallback) && stillLoading) {
//Something is still waiting to load. Wait for it, but only
//if a timeout is not already in effect.
if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) {
@@ -1082,238 +789,543 @@ var requirejs, require, define;
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;
+ inCheckLoaded = false;
}
- /**
- * Resumes tracing of dependencies and then checks if everything is loaded.
- */
- resume = function () {
- var manager, map, url, i, p, args, fullName;
+ Module = function (map) {
+ this.events = undefEvents[map.id] || {};
+ this.map = map;
+ this.shim = config.shim[map.id];
+ this.depExports = [];
+ this.depMaps = [];
+ this.depMatched = [];
+ this.pluginMaps = {};
+ this.depCount = 0;
- //Any defined modules in the global queue, intake them now.
- context.takeGlobalQueue();
+ /* this.exports this.factory
+ this.depMaps = [],
+ this.enabled, this.fetched
+ */
+ };
- resumeDepth += 1;
+ Module.prototype = {
+ init: function(depMaps, factory, errback, options) {
+ options = options || {};
- 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);
+ //Do not do more inits if already done. Can happen if there
+ //are multiple define calls for the same module. That is not
+ //a normal, common case, but it is also not unexpected.
+ if (this.inited) {
+ return;
}
- }
- //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 = [];
+ this.factory = factory;
- for (i = 0; (manager = p[i]); i++) {
- map = manager.map;
- url = map.url;
- fullName = map.fullName;
+ if (errback) {
+ //Register for errors on this module.
+ this.on('error', errback);
+ } else if (this.events.error) {
+ //If no errback already, but there are error listeners
+ //on this module, set up an errback to pass to the deps.
+ errback = bind(this, function (err) {
+ this.emit('error', err);
+ });
+ }
- //If the manager is for a plugin managed resource,
- //ask the plugin to load it now.
- if (map.prefix) {
- callPlugin(map.prefix, manager);
- } else {
- //Regular dependency.
- if (!urlFetched[url] && !loaded[fullName]) {
- (config.requireLoad || req.load)(context, fullName, url);
+ each(depMaps, bind(this, function (depMap, i) {
+ if (typeof depMap === 'string') {
+ depMap = makeModuleMap(depMap,
+ (this.map.isDefine ? this.map : this.map.parentMap),
+ false,
+ true);
+ this.depMaps.push(depMap);
+ }
- //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;
+ var handler = handlers[depMap.id];
+
+ if (handler) {
+ this.depExports[i] = handler(this);
+ return;
+ }
+
+ this.depCount += 1;
+
+ on(depMap, 'defined', bind(this, function (depExports) {
+ this.defineDep(i, depExports);
+ this.check();
+ }));
+
+ if (errback) {
+ on(depMap, 'error', errback);
+ }
+ }));
+
+ //Indicate this module has be initialized
+ this.inited = true;
+
+ this.ignore = options.ignore;
+
+ //Could have option to init this module in enabled mode,
+ //or could have been previously marked as enabled. However,
+ //the dependencies are not known until init is called. So
+ //if enabled previously, now trigger dependencies as enabled.
+ if (options.enabled || this.enabled) {
+ //Enable this module and dependencies.
+ //Will call this.check()
+ this.enable();
+ } else {
+ this.check();
+ }
+ },
+
+ defineDepById: function (id, depExports) {
+ var i;
+
+ //Find the index for this dependency.
+ each(this.depMaps, function (map, index) {
+ if (map.id === id) {
+ i = index;
+ return true;
+ }
+ });
+
+ return this.defineDep(i, depExports);
+ },
+
+ defineDep: function (i, depExports) {
+ //Because of cycles, defined callback for a given
+ //export can be called more than once.
+ if (!this.depMatched[i]) {
+ this.depMatched[i] = true;
+ this.depCount -= 1;
+ this.depExports[i] = depExports;
+ }
+ },
+
+ fetch: function () {
+ if (this.fetched) {
+ return;
+ }
+ this.fetched = true;
+
+ context.startTime = (new Date()).getTime();
+
+ var map = this.map;
+
+ //If the manager is for a plugin managed resource,
+ //ask the plugin to load it now.
+ if (map.prefix) {
+ this.callPlugin();
+ } else if (this.shim) {
+ makeRequire(this, true)(this.shim.deps || [], bind(this, function () {
+ this.load();
+ }));
+ } else {
+ //Regular dependency.
+ this.load();
+ }
+ },
+
+ load: function() {
+ var url = this.map.url;
+
+ //Regular dependency.
+ if (!urlFetched[url]) {
+ urlFetched[url] = true;
+ context.load(this.map.id, url);
+ }
+ },
+
+ /**
+ * Checks is the module is ready to define itself, and if so,
+ * define it. If the silent argument is true, then it will just
+ * define, but not notify listeners, and not ask for a context-wide
+ * check of all loaded modules. That is useful for cycle breaking.
+ */
+ check: function (silent) {
+ if (!this.enabled) {
+ return;
+ }
+
+ var id = this.map.id,
+ depExports = this.depExports,
+ exports = this.exports,
+ factory = this.factory,
+ err, cjsModule;
+
+ if (!this.inited) {
+ this.fetch();
+ } else if (this.error) {
+ this.emit('error', this.error);
+ } else if (!this.defining) {
+ //The factory could trigger another require call
+ //that would result in checking this module to
+ //define itself again. If already in the process
+ //of doing that, skip this work.
+ this.defining = true;
+
+ if (this.depCount < 1 && !this.defined) {
+ if (isFunction(factory)) {
+ //If there is an error listener, favor passing
+ //to that instead of throwing an error.
+ if (this.events.error) {
+ try {
+ exports = context.execCb(id, factory, depExports, exports);
+ } catch (e) {
+ err = e;
+ }
+ } else {
+ exports = context.execCb(id, factory, depExports, exports);
+ }
+
+ if (this.map.isDefine) {
+ //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 = this.module;
+ if (cjsModule &&
+ cjsModule.exports !== undefined &&
+ //Make sure it is not already the exports value
+ cjsModule.exports !== this.exports) {
+ exports = cjsModule.exports;
+ } else if (exports === undefined && this.usingExports) {
+ //exports already set the defined value.
+ exports = this.exports;
}
}
+
+ if (err) {
+ err.requireMap = this.map;
+ err.requireModules = [this.map.id];
+ err.requireType = 'define';
+ return onError((this.error = err));
+ }
+
+ } else {
+ //Just a literal value
+ exports = factory;
+ }
+
+ this.exports = exports;
+
+ if (this.map.isDefine && !this.ignore) {
+ defined[id] = exports;
+
+ if (req.onResourceLoad) {
+ req.onResourceLoad(context, this.map, this.depMaps);
+ }
+ }
+
+ //Clean up
+ delete registry[id];
+
+ this.defined = true;
+ context.waitCount -= 1;
+ if (context.waitCount === 0) {
+ //Clear the wait array used for cycles.
+ waitAry = [];
}
}
- //Move the start time for timeout forward.
- context.startTime = (new Date()).getTime();
- context.pausedCount -= p.length;
+ //Finished the define stage. Allow calling check again
+ //to allow define notifications below in the case of a
+ //cycle.
+ this.defining = false;
+
+ if (!silent) {
+ if (this.defined && !this.defineEmitted) {
+ this.defineEmitted = true;
+ this.emit('defined', this.exports);
+ this.defineEmitComplete = true;
+ }
+ }
+ }
+ },
+
+ callPlugin: function() {
+ var map = this.map,
+ id = map.id,
+ pluginMap = makeModuleMap(map.prefix, null, false, true);
+
+ on(pluginMap, 'defined', bind(this, function (plugin) {
+ var name = this.map.name,
+ parentName = this.map.parentMap ? this.map.parentMap.name : null,
+ load, normalizedMap, normalizedMod;
+
+ //If current map is not normalized, wait for that
+ //normalized name to load instead of continuing.
+ if (this.map.unnormalized) {
+ //Normalize the ID if the plugin allows it.
+ if (plugin.normalize) {
+ name = plugin.normalize(name, function (name) {
+ return normalize(name, parentName, true);
+ }) || '';
+ }
+
+ normalizedMap = makeModuleMap(map.prefix + '!' + name);
+ on(normalizedMap,
+ 'defined', bind(this, function (value) {
+ this.init([], function () { return value; }, null, {
+ enabled: true,
+ ignore: true
+ });
+ }));
+ normalizedMod = registry[normalizedMap.id];
+ if (normalizedMod) {
+ if (this.events.error) {
+ normalizedMod.on('error', bind(this, function (err) {
+ this.emit('error', err);
+ }));
+ }
+ normalizedMod.enable();
+ }
+
+ return;
+ }
+
+ load = bind(this, function (value) {
+ this.init([], function () { return value; }, null, {
+ enabled: true
+ });
+ });
+
+ load.error = bind(this, function (err) {
+ this.inited = true;
+ this.error = err;
+ err.requireModules = [id];
+
+ //Remove temp unnormalized modules for this module,
+ //since they will never be resolved otherwise now.
+ eachProp(registry, function (mod) {
+ if (mod.map.id.indexOf(id + '_unnormalized') === 0) {
+ removeWaiting(mod.map.id);
+ }
+ });
+
+ onError(err);
+ });
+
+ //Allow plugins to load other code without having to know the
+ //context or how to 'complete' the load.
+ load.fromText = function (moduleName, text) {
+ /*jslint evil: true */
+ var hasInteractive = useInteractive;
+
+ //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);
+ };
+
+ //Use parentName here since the plugin's name is not reliable,
+ //could be some weird string with no path that actually wants to
+ //reference the parentName's path.
+ plugin.load(map.name, makeRequire(map.parentMap, true, function (deps, cb) {
+ return context.require(deps, cb);
+ }), load, config);
+ }));
+
+ context.enable(pluginMap, this);
+ this.pluginMaps[pluginMap.id] = pluginMap;
+ },
+
+ enable: function () {
+ this.enabled = true;
+
+ if (!this.waitPushed) {
+ waitAry.push(this);
+ context.waitCount += 1;
+ this.waitPushed = true;
+ }
+
+ //Enable each dependency
+ each(this.depMaps, bind(this, function (map) {
+ var id = map.id,
+ mod = registry[id];
+ //Skip special modules like 'require', 'exports', 'module'
+ //Also, don't call enable if it is already enabled,
+ //important in circular dependency cases.
+ if (!handlers[id] && mod && !mod.enabled) {
+ context.enable(map, this);
+ }
+ }));
+
+ //Enable each plugin that is used in
+ //a dependency
+ eachProp(this.pluginMaps, bind(this, function (pluginMap) {
+ var mod = registry[pluginMap.id];
+ if (mod && !mod.enabled) {
+ context.enable(pluginMap, this);
+ }
+ }));
+
+ this.check();
+ },
+
+ on: function(name, cb) {
+ var cbs = this.events[name];
+ if (!cbs) {
+ cbs = this.events[name] = [];
+ }
+ cbs.push(cb);
+ },
+
+ emit: function (name, evt) {
+ each(this.events[name], function (cb) {
+ cb(evt);
+ });
+ if (name === 'error') {
+ //Now that the error handler was triggered, remove
+ //the listeners, since this broken Module instance
+ //can stay around for a while in the registry/waitAry.
+ delete this.events[name];
}
}
-
- //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,
+ function callGetModule(args) {
+ getModule(makeModuleMap(args[0], null, true)).init(args[1], args[2]);
+ }
+
+ function removeListener(node, func, name, ieName) {
+ //Favor detachEvent because of IE9
+ //issue, see attachEvent/addEventListener comment elsewhere
+ //in this file.
+ if (node.detachEvent && !isOpera) {
+ //Probably IE. If not it will throw an error, which will be
+ //useful to know.
+ if (ieName) {
+ node.detachEvent(ieName, func);
+ }
+ } else {
+ node.removeEventListener(name, func, false);
+ }
+ }
+
+ /**
+ * Given an event from a script node, get the requirejs info from it,
+ * and then removes the event listeners on the node.
+ * @param {Event} evt
+ * @returns {Object}
+ */
+ function getScriptData(evt) {
+ //Using currentTarget instead of target for Firefox 2.0's sake. Not
+ //all old browsers will be supported, but this one was easy enough
+ //to support and still makes sense.
+ var node = evt.currentTarget || evt.srcElement;
+
+ //Remove the listeners once here.
+ removeListener(node, context.onScriptLoad, 'load', 'onreadystatechange');
+ removeListener(node, context.onScriptError, 'error');
+
+ return {
+ node: node,
+ id: node && node.getAttribute('data-requiremodule')
+ };
+ }
+
+ return (context = {
config: config,
- defQueue: defQueue,
- waiting: waiting,
- waitCount: 0,
- specified: specified,
- loaded: loaded,
+ contextName: contextName,
+ registry: registry,
+ defined: defined,
urlMap: urlMap,
urlFetched: urlFetched,
- scriptCount: 0,
- defined: defined,
- paused: [],
- pausedCount: 0,
- plugins: plugins,
- needFullExec: needFullExec,
- fake: {},
- fullExec: fullExec,
- managerCallbacks: managerCallbacks,
+ waitCount: 0,
+ defQueue: defQueue,
+ Module: Module,
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 += "/";
+ 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;
+ var paths = config.paths,
+ pkgs = config.pkgs,
+ shim = config.shim,
+ map = config.map || {};
//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;
+ //Merge paths.
+ mixin(paths, cfg.paths, true);
+ config.paths = paths;
+
+ //Merge map
+ if (cfg.map) {
+ mixin(map, cfg.map, true);
+ config.map = map;
}
- 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);
- }
+ //Merge shim
+ if (cfg.shim) {
+ eachProp(cfg.shim, function (value, id) {
+ //Normalize the structure
+ if (isArray(value)) {
+ value = {
+ deps: value
+ };
}
- }
+ if (value.exports && !value.exports.__buildReady) {
+ value.exports = context.makeShimExports(value.exports);
+ }
+ shim[id] = value;
+ });
+ config.shim = shim;
+ }
- //Adjust packages if necessary.
- if (cfg.packages) {
- configurePackageDir(pkgs, cfg.packages);
- }
+ //Adjust packages if necessary.
+ if (cfg.packages) {
+ each(cfg.packages, function (pkgObj) {
+ var location;
+
+ pkgObj = typeof pkgObj === 'string' ? { name: pkgObj } : pkgObj;
+ location = pkgObj.location;
+
+ //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, '')
+ };
+ });
//Done with modifications, assing packages back to context config
config.pkgs = pkgs;
}
- //If priority loading is in effect, trigger the loads now
- if (cfg.priority) {
- //Hold on to requireWait value, and reset it after done
- requireWait = context.requireWait;
-
- //Allow tracing some require calls to allow the fetching
- //of the priority config.
- context.requireWait = false;
- //But first, call resume to register any defined modules that may
- //be in a data-main built file before the priority config
- //call.
- resume();
-
- context.require(cfg.priority);
-
- //Trigger a resume right away, for the case when
- //the script with the priority load is done as part
- //of a data-main call. In that case the normal resume
- //call will not happen because the scriptCount will be
- //at 1, since the script for data-main is being processed.
- resume();
-
- //Restore previous state.
- context.requireWait = requireWait;
- config.priorityWait = cfg.priority;
- }
-
//If a deps array or a config callback is specified, then call
//require with those args. This is useful when require is defined as a
//config object before require.js is loaded.
@@ -1322,77 +1334,133 @@ var requirejs, require, define;
}
},
- requireDefined: function (moduleName, relModuleMap) {
- return makeModuleMap(moduleName, relModuleMap).fullName in defined;
+ makeShimExports: function (exports) {
+ var func;
+ if (typeof exports === 'string') {
+ func = function () {
+ return getGlobal(exports);
+ };
+ //Save the exports for use in nodefine checking.
+ func.exports = exports;
+ return func;
+ } else {
+ return function () {
+ return exports.apply(global, arguments);
+ };
+ }
},
- requireSpecified: function (moduleName, relModuleMap) {
- return makeModuleMap(moduleName, relModuleMap).fullName in specified;
+ requireDefined: function (id, relMap) {
+ return hasProp(defined, makeModuleMap(id, relMap, false, true).id);
},
- require: function (deps, callback, relModuleMap) {
- var moduleName, fullName, moduleMap;
- if (typeof deps === "string") {
+ requireSpecified: function (id, relMap) {
+ id = makeModuleMap(id, relMap, false, true).id;
+ return hasProp(defined, id) || hasProp(registry, id);
+ },
+
+ require: function (deps, callback, errback, relMap) {
+ var moduleName, id, map, requireMod, args;
+ if (typeof deps === 'string') {
if (isFunction(callback)) {
//Invalid call
- return req.onError(makeError("requireargs", "Invalid require call"));
+ return onError(makeError('requireargs', 'Invalid require call'), errback);
}
//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
+ //the relMap
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.
+ //second arg (if passed) is just the relMap.
moduleName = deps;
- relModuleMap = callback;
+ relMap = callback;
//Normalize module name, if it contains . or ..
- moduleMap = makeModuleMap(moduleName, relModuleMap);
- fullName = moduleMap.fullName;
+ map = makeModuleMap(moduleName, relMap, false, true);
+ id = map.id;
- if (!(fullName in defined)) {
- return req.onError(makeError("notloaded", "Module name '" +
- moduleMap.fullName +
- "' has not been loaded yet for context: " +
+ if (!hasProp(defined, id)) {
+ return onError(makeError('notloaded', 'Module name "' +
+ id +
+ '" has not been loaded yet for context: ' +
contextName));
}
- return defined[fullName];
+ return defined[id];
}
- //Call main but only if there are dependencies or
- //a callback to call.
- if (deps && deps.length || callback) {
- main(null, deps, callback, relModuleMap);
+ //Callback require. Normalize args. if callback or errback is
+ //not a function, it means it is a relMap. Test errback first.
+ if (errback && !isFunction(errback)) {
+ relMap = errback;
+ errback = undefined;
+ }
+ if (callback && !isFunction(callback)) {
+ relMap = callback;
+ callback = undefined;
}
- //If the require call does not trigger anything new to load,
- //then resume the dependency processing.
- if (!context.requireWait) {
- while (!context.scriptCount && context.paused.length) {
- resume();
+ //Any defined modules in the global queue, intake them now.
+ takeGlobalQueue();
+
+ //Make sure any remaining defQueue items get properly processed.
+ while (defQueue.length) {
+ args = defQueue.shift();
+ if (args[0] === null) {
+ return onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + args[args.length - 1]));
+ } else {
+ //args are id, deps, factory. Should be normalized by the
+ //define() function.
+ callGetModule(args);
}
}
+
+ //Mark all the dependencies as needing to be loaded.
+ requireMod = getModule(makeModuleMap(null, relMap));
+
+ requireMod.init(deps, callback, errback, {
+ enabled: true
+ });
+
+ checkLoaded();
+
return context.require;
},
+ undef: function (id) {
+ var map = makeModuleMap(id, null, true),
+ mod = registry[id];
+
+ delete defined[id];
+ delete urlMap[id];
+ delete urlFetched[map.url];
+ delete undefEvents[id];
+
+ if (mod) {
+ //Hold on to listeners in case the
+ //module will be attempted to be reloaded
+ //using a different config.
+ if (mod.events.defined) {
+ undefEvents[id] = mod.events;
+ }
+
+ removeWaiting(id);
+ }
+ },
+
/**
- * Internal method to transfer globalQueue items to this context's
- * defQueue.
+ * Called to enable a module if it is still in the registry
+ * awaiting enablement. parent module is passed in for context,
+ * used by the optimizer.
*/
- 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 = [];
+ enable: function (depMap, parent) {
+ var mod = registry[depMap.id];
+ if (mod) {
+ getModule(depMap).enable();
}
},
@@ -1403,51 +1471,55 @@ var requirejs, require, define;
* @param {String} moduleName the name of the module to potentially complete.
*/
completeLoad: function (moduleName) {
- var args;
+ var shim = config.shim[moduleName] || {},
+ shExports = shim.exports && shim.exports.exports,
+ found, args, mod;
- context.takeGlobalQueue();
+ takeGlobalQueue();
while (defQueue.length) {
args = defQueue.shift();
-
if (args[0] === null) {
args[0] = moduleName;
- break;
+ //If already found an anonymous module and bound it
+ //to this name, then this is some other anon module
+ //waiting for its completeLoad to fire.
+ if (found) {
+ break;
+ }
+ found = true;
} else if (args[0] === moduleName) {
//Found matching define call for this script!
- break;
- } else {
- //Some other named define call, most likely the result
- //of a build layer that included many define calls.
- callDefMain(args);
- args = null;
+ found = true;
}
- }
- 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]);
+
+ callGetModule(args);
}
- //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;
+ //Do this after the cycle of callGetModule in case the result
+ //of those calls/init calls changes the registry.
+ mod = registry[moduleName];
+
+ if (!found &&
+ !defined[moduleName] &&
+ mod && !mod.inited) {
+ if (config.enforceDefine && (!shExports || !getGlobal(shExports))) {
+ if (hasPathFallback(moduleName)) {
+ return;
+ } else {
+ return onError(makeError('nodefine',
+ 'No define call for ' + moduleName,
+ null,
+ [moduleName]));
+ }
+ } else {
+ //A script that does not call define(), so just simulate
+ //the call for it.
+ callGetModule([moduleName, (shim.deps || []), shim.exports]);
+ }
}
+
+ checkLoaded();
},
/**
@@ -1456,7 +1528,7 @@ var requirejs, require, define;
* plain URLs like nameToUrl.
*/
toUrl: function (moduleNamePlusExt, relModuleMap) {
- var index = moduleNamePlusExt.lastIndexOf("."),
+ var index = moduleNamePlusExt.lastIndexOf('.'),
ext = null;
if (index !== -1) {
@@ -1473,10 +1545,10 @@ var requirejs, require, define;
*/
nameToUrl: function (moduleName, ext, relModuleMap) {
var paths, pkgs, pkg, pkgPath, syms, i, parentModule, url,
- config = context.config;
+ parentPath;
//Normalize module name if have a base relative module name to work from.
- moduleName = normalize(moduleName, relModuleMap && relModuleMap.fullName);
+ moduleName = normalize(moduleName, relModuleMap && relModuleMap.id, true);
//If a colon is in the URL, it indicates a protocol is used and it is just
//an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?)
@@ -1486,22 +1558,29 @@ var requirejs, require, define;
//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 : "");
+ url = moduleName + (ext || '');
} else {
//A module that needs to be converted to a path.
paths = config.paths;
pkgs = config.pkgs;
- syms = moduleName.split("/");
+ 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]);
+ for (i = syms.length; i > 0; i -= 1) {
+ parentModule = syms.slice(0, i).join('/');
+ pkg = pkgs[parentModule];
+ parentPath = paths[parentModule];
+ if (parentPath) {
+ //If an array, it means there are a few choices,
+ //Choose the one that is desired
+ if (isArray(parentPath)) {
+ parentPath = parentPath[0];
+ }
+ syms.splice(0, i, parentPath);
break;
- } else if ((pkg = pkgs[parentModule])) {
+ } else if (pkg) {
//If module name is just the package name, then looking
//for the main module.
if (moduleName === pkg.name) {
@@ -1515,22 +1594,64 @@ var requirejs, require, define;
}
//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;
+ 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;
+ },
+
+ //Delegates to req.load. Broken out as a separate function to
+ //allow overriding in the optimizer.
+ load: function (id, url) {
+ req.load(context, id, url);
+ },
+
+ /**
+ * Executes a module 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
+ */
+ execCb: function (name, callback, args, exports) {
+ return callback.apply(exports, args);
+ },
+
+ /**
+ * callback for script loads, used to check status of loading.
+ *
+ * @param {Event} evt the event from the browser for the script
+ * that was loaded.
+ */
+ onScriptLoad: function (evt) {
+ //Using currentTarget instead of target for Firefox 2.0's sake. Not
+ //all old browsers will be supported, but this one was easy enough
+ //to support and still makes sense.
+ if (evt.type === 'load' ||
+ (readyRegExp.test((evt.currentTarget || evt.srcElement).readyState))) {
+ //Reset interactive script so a script node is not held onto for
+ //to long.
+ interactiveScript = null;
+
+ //Pull out the name of the module and the context.
+ var data = getScriptData(evt);
+ context.completeLoad(data.id);
+ }
+ },
+
+ /**
+ * Callback for script errors.
+ */
+ onScriptError: function (evt) {
+ var data = getScriptData(evt);
+ if (!hasPathFallback(data.id)) {
+ return onError(makeError('scripterror', 'Script error', evt, [data.id]));
+ }
}
- };
-
- //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;
+ });
}
/**
@@ -1547,20 +1668,21 @@ var requirejs, require, define;
* on a require that are not standardized), and to give a short
* name for minification/local scope use.
*/
- req = requirejs = function (deps, callback) {
+ req = requirejs = function (deps, callback, errback, optional) {
//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") {
+ 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];
+ callback = errback;
+ errback = optional;
} else {
deps = [];
}
@@ -1570,14 +1692,16 @@ var requirejs, require, define;
contextName = config.context;
}
- context = contexts[contextName] ||
- (contexts[contextName] = newContext(contextName));
+ context = contexts[contextName];
+ if (!context) {
+ context = contexts[contextName] = req.s.newContext(contextName);
+ }
if (config) {
context.configure(config);
}
- return context.require(deps, callback);
+ return context.require(deps, callback, errback);
};
/**
@@ -1595,31 +1719,29 @@ var requirejs, require, define;
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$/;
+ req.isBrowser = isBrowser;
s = req.s = {
contexts: contexts,
- //Stores a list of URLs that should not get async script tag treatment.
- skipAsync: {}
+ newContext: newContext
};
- req.isAsync = req.isBrowser = isBrowser;
+ //Create default context.
+ req({});
+
+ //Exports some context-sensitive methods on global require, using
+ //default context if no context specified.
+ addRequireMethods(req, contexts[defContextName]);
+
if (isBrowser) {
- head = s.head = document.getElementsByTagName("head")[0];
+ 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];
+ baseElement = document.getElementsByTagName('base')[0];
if (baseElement) {
head = s.head = baseElement.parentNode;
}
@@ -1644,34 +1766,137 @@ var requirejs, require, define;
* @param {Object} url the URL to the module.
*/
req.load = function (context, moduleName, url) {
- req.resourcesReady(false);
+ var config = (context && context.config) || {},
+ node;
+ if (isBrowser) {
+ //In the browser so use a script tag
+ node = config.xhtml ?
+ document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') :
+ document.createElement('script');
+ node.type = config.scriptType || 'text/javascript';
+ node.charset = 'utf-8';
- context.scriptCount += 1;
- req.attach(url, context, moduleName);
+ node.setAttribute('data-requirecontext', context.contextName);
+ node.setAttribute('data-requiremodule', 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;
+ //Set up load listener. Test attachEvent first because IE9 has
+ //a subtle issue in its addEventListener and script onload firings
+ //that do not match the behavior of all other browsers with
+ //addEventListener support, which fire the onload event for a
+ //script right after the script execution. See:
+ //https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution
+ //UNFORTUNATELY Opera implements attachEvent but does not follow the script
+ //script execution mode.
+ if (node.attachEvent &&
+ //Check if node.attachEvent is artificially added by custom script or
+ //natively supported by browser
+ //read https://github.com/jrburke/requirejs/issues/187
+ //if we can NOT find [native code] then it must NOT natively supported.
+ //in IE8, node.attachEvent does not have toString()
+ //Note the test for "[native code" with no closing brace, see:
+ //https://github.com/jrburke/requirejs/issues/273
+ !(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) &&
+ !isOpera) {
+ //Probably IE. IE (at least 6-8) do not fire
+ //script onload right after executing the script, so
+ //we cannot tie the anonymous define call to a name.
+ //However, IE reports the script as being in 'interactive'
+ //readyState at the time of the define call.
+ useInteractive = true;
+
+ node.attachEvent('onreadystatechange', context.onScriptLoad);
+ //It would be great to add an error handler here to catch
+ //404s in IE9+. However, onreadystatechange will fire before
+ //the error handler, so that does not help. If addEvenListener
+ //is used, then IE will fire error before load, but we cannot
+ //use that pathway given the connect.microsoft.com issue
+ //mentioned above about not doing the 'script execute,
+ //then fire the script load event listener before execute
+ //next script' that other browsers do.
+ //Best hope: IE10 fixes the issues,
+ //and then destroys all installs of IE 6-9.
+ //node.attachEvent('onerror', context.onScriptError);
+ } else {
+ node.addEventListener('load', context.onScriptLoad, false);
+ node.addEventListener('error', context.onScriptError, false);
+ }
+ node.src = url;
+
+ //For some cache cases in IE 6-8, the script executes before the end
+ //of the appendChild execution, so to tie an anonymous define
+ //call to the module name (which is stored on the node), hold on
+ //to a reference to this node, but clear after the DOM insertion.
+ currentlyAddingScript = node;
+ if (baseElement) {
+ head.insertBefore(node, baseElement);
+ } else {
+ head.appendChild(node);
+ }
+ currentlyAddingScript = null;
+
+ return node;
+ } else if (isWebWorker) {
+ //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);
}
};
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--) {
+ eachReverse(scripts(), function (script) {
if (script.readyState === 'interactive') {
return (interactiveScript = script);
}
- }
+ });
+ return interactiveScript;
+ }
- 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.
+ eachReverse(scripts(), function (script) {
+ //Set the 'head' where we can append children by
+ //using the script's parent.
+ if (!head) {
+ head = script.parentNode;
+ }
+
+ //Look for a data-main attribute to set main script for the page
+ //to load. If it is there, the path to data main becomes the
+ //baseUrl, if it is not already set.
+ dataMain = script.getAttribute('data-main');
+ if (dataMain) {
+ 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];
+
+ return true;
+ }
+ });
}
/**
@@ -1707,7 +1932,7 @@ var requirejs, require, define;
if (callback.length) {
callback
.toString()
- .replace(commentRegExp, "")
+ .replace(commentRegExp, '')
.replace(cjsRequireRegExp, function (match, dep) {
deps.push(dep);
});
@@ -1717,7 +1942,7 @@ var requirejs, require, define;
//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);
+ deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps);
}
}
@@ -1727,9 +1952,9 @@ var requirejs, require, define;
node = currentlyAddingScript || getInteractiveScript();
if (node) {
if (!name) {
- name = node.getAttribute("data-requiremodule");
+ name = node.getAttribute('data-requiremodule');
}
- context = contexts[node.getAttribute("data-requirecontext")];
+ context = contexts[node.getAttribute('data-requirecontext')];
}
}
@@ -1740,324 +1965,24 @@ var requirejs, require, define;
//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.
+ * to use a better, environment-specific call. Only used for transpiling
+ * loader plugins, not for plain JS modules.
* @param {String} text the text to execute/evaluate.
*/
req.exec = function (text) {
+ /*jslint evil: true */
return eval(text);
};
- /**
- * Executes a module callack function. Broken out as a separate function
- * solely to allow the build system to sequence the files in the built
- * layer in the right sequence.
- *
- * @private
- */
- req.execCb = function (name, callback, args, exports) {
- return callback.apply(exports, args);
- };
-
-
- /**
- * Adds a node to the DOM. Public function since used by the order plugin.
- * This method should not normally be called by outside code.
- */
- req.addScriptToDom = function (node) {
- //For some cache cases in IE 6-8, the script executes before the end
- //of the appendChild execution, so to tie an anonymous define
- //call to the module name (which is stored on the node), hold on
- //to a reference to this node, but clear after the DOM insertion.
- currentlyAddingScript = node;
- if (baseElement) {
- head.insertBefore(node, baseElement);
- } else {
- head.appendChild(node);
- }
- currentlyAddingScript = null;
- };
-
- /**
- * callback for script loads, used to check status of loading.
- *
- * @param {Event} evt the event from the browser for the script
- * that was loaded.
- *
- * @private
- */
- req.onScriptLoad = function (evt) {
- //Using currentTarget instead of target for Firefox 2.0's sake. Not
- //all old browsers will be supported, but this one was easy enough
- //to support and still makes sense.
- var node = evt.currentTarget || evt.srcElement, contextName, moduleName,
- context;
-
- if (evt.type === "load" || (node && readyRegExp.test(node.readyState))) {
- //Reset interactive script so a script node is not held onto for
- //to long.
- interactiveScript = null;
-
- //Pull out the name of the module and the context.
- contextName = node.getAttribute("data-requirecontext");
- moduleName = node.getAttribute("data-requiremodule");
- context = contexts[contextName];
-
- contexts[contextName].completeLoad(moduleName);
-
- //Clean up script binding. Favor detachEvent because of IE9
- //issue, see attachEvent/addEventListener comment elsewhere
- //in this file.
- if (node.detachEvent && !isOpera) {
- //Probably IE. If not it will throw an error, which will be
- //useful to know.
- node.detachEvent("onreadystatechange", req.onScriptLoad);
- } else {
- node.removeEventListener("load", req.onScriptLoad, false);
- }
- }
- };
-
- /**
- * Attaches the script represented by the URL to the current
- * environment. Right now only supports browser loading,
- * but can be redefined in other environments to do the right thing.
- * @param {String} url the url of the script to attach.
- * @param {Object} context the context that wants the script.
- * @param {moduleName} the name of the module that is associated with the script.
- * @param {Function} [callback] optional callback, defaults to require.onScriptLoad
- * @param {String} [type] optional type, defaults to text/javascript
- * @param {Function} [fetchOnlyFunction] optional function to indicate the script node
- * should be set up to fetch the script but do not attach it to the DOM
- * so that it can later be attached to execute it. This is a way for the
- * order plugin to support ordered loading in IE. Once the script is fetched,
- * but not executed, the fetchOnlyFunction will be called.
- */
- req.attach = function (url, context, moduleName, callback, type, fetchOnlyFunction) {
- var node;
- if (isBrowser) {
- //In the browser so use a script tag
- callback = callback || req.onScriptLoad;
- node = context && context.config && context.config.xhtml ?
- document.createElementNS("http://www.w3.org/1999/xhtml", "html:script") :
- document.createElement("script");
- node.type = type || (context && context.config.scriptType) ||
- "text/javascript";
- node.charset = "utf-8";
- //Use async so Gecko does not block on executing the script if something
- //like a long-polling comet tag is being run first. Gecko likes
- //to evaluate scripts in DOM order, even for dynamic scripts.
- //It will fetch them async, but only evaluate the contents in DOM
- //order, so a long-polling script tag can delay execution of scripts
- //after it. But telling Gecko we expect async gets us the behavior
- //we want -- execute it whenever it is finished downloading. Only
- //Helps Firefox 3.6+
- //Allow some URLs to not be fetched async. Mostly helps the order!
- //plugin
- node.async = !s.skipAsync[url];
-
- if (context) {
- node.setAttribute("data-requirecontext", context.contextName);
- }
- node.setAttribute("data-requiremodule", moduleName);
-
- //Set up load listener. Test attachEvent first because IE9 has
- //a subtle issue in its addEventListener and script onload firings
- //that do not match the behavior of all other browsers with
- //addEventListener support, which fire the onload event for a
- //script right after the script execution. See:
- //https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution
- //UNFORTUNATELY Opera implements attachEvent but does not follow the script
- //script execution mode.
- if (node.attachEvent &&
- // check if node.attachEvent is artificially added by custom script or
- // natively supported by browser
- // read https://github.com/jrburke/requirejs/issues/187
- // if we can NOT find [native code] then it must NOT natively supported.
- // in IE8, node.attachEvent does not have toString()
- // TODO: a better way to check interactive mode
- !(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code]') < 0) &&
- !isOpera) {
- //Probably IE. IE (at least 6-8) do not fire
- //script onload right after executing the script, so
- //we cannot tie the anonymous define call to a name.
- //However, IE reports the script as being in "interactive"
- //readyState at the time of the define call.
- useInteractive = true;
-
-
- if (fetchOnlyFunction) {
- //Need to use old school onreadystate here since
- //when the event fires and the node is not attached
- //to the DOM, the evt.srcElement is null, so use
- //a closure to remember the node.
- node.onreadystatechange = function (evt) {
- //Script loaded but not executed.
- //Clear loaded handler, set the real one that
- //waits for script execution.
- if (node.readyState === 'loaded') {
- node.onreadystatechange = null;
- node.attachEvent("onreadystatechange", callback);
- fetchOnlyFunction(node);
- }
- };
- } else {
- node.attachEvent("onreadystatechange", callback);
- }
- } else {
- node.addEventListener("load", callback, false);
- }
- node.src = url;
-
- //Fetch only means waiting to attach to DOM after loaded.
- if (!fetchOnlyFunction) {
- req.addScriptToDom(node);
- }
-
- return node;
- } else if (isWebWorker) {
- //In a web worker, use importScripts. This is not a very
- //efficient use of importScripts, importScripts will block until
- //its script is downloaded and evaluated. However, if web workers
- //are in play, the expectation that a build has been done so that
- //only one script needs to be loaded anyway. This may need to be
- //reevaluated if other use cases become common.
- importScripts(url);
-
- //Account for anonymous modules
- context.completeLoad(moduleName);
- }
- return null;
- };
-
- //Look for a data-main script attribute, which could also adjust the baseUrl.
- if (isBrowser) {
- //Figure out baseUrl. Get it from the script tag with require.js in it.
- scripts = document.getElementsByTagName("script");
-
- for (globalI = scripts.length - 1; globalI > -1 && (script = scripts[globalI]); globalI--) {
- //Set the "head" where we can append children by
- //using the script's parent.
- if (!head) {
- head = script.parentNode;
- }
-
- //Look for a data-main attribute to set main script for the page
- //to load. If it is there, the path to data main becomes the
- //baseUrl, if it is not already set.
- if ((dataMain = script.getAttribute('data-main'))) {
- if (!cfg.baseUrl) {
- //Pull off the directory of data-main for use as the
- //baseUrl.
- src = dataMain.split('/');
- mainScript = src.pop();
- subPath = src.length ? src.join('/') + '/' : './';
-
- //Set final config.
- cfg.baseUrl = subPath;
- //Strip off any trailing .js since dataMain is now
- //like a module name.
- dataMain = mainScript.replace(jsSuffixRegExp, '');
- }
-
- //Put the data-main script in the files to load.
- cfg.deps = cfg.deps ? cfg.deps.concat(dataMain) : [dataMain];
-
- break;
- }
- }
- }
-
- //See if there is nothing waiting across contexts, and if not, trigger
- //resourcesReady.
- req.checkReadyState = function () {
- var contexts = s.contexts, prop;
- for (prop in contexts) {
- if (!(prop in empty)) {
- if (contexts[prop].waitCount) {
- return;
- }
- }
- }
- req.resourcesReady(true);
- };
-
- /**
- * Internal function that is triggered whenever all scripts/resources
- * have been loaded by the loader. Can be overridden by other, for
- * instance the domReady plugin, which wants to know when all resources
- * are loaded.
- */
- req.resourcesReady = function (isReady) {
- var contexts, context, prop;
-
- //First, set the public variable indicating that resources are loading.
- req.resourcesDone = isReady;
-
- if (req.resourcesDone) {
- //If jQuery with DOM ready delayed, release it now.
- contexts = s.contexts;
- for (prop in contexts) {
- if (!(prop in empty)) {
- context = contexts[prop];
- if (context.jQueryIncremented) {
- jQueryHoldReady(context.jQuery, false);
- context.jQueryIncremented = false;
- }
- }
- }
- }
- };
-
- //FF < 3.6 readyState fix. Needed so that domReady plugin
- //works well in that environment, since require.js is normally
- //loaded via an HTML script tag so it will be there before window load,
- //where the domReady plugin is more likely to be loaded after window load.
- req.pageLoaded = function () {
- if (document.readyState !== "complete") {
- document.readyState = "complete";
- }
- };
- if (isBrowser) {
- if (document.addEventListener) {
- if (!document.readyState) {
- document.readyState = "loading";
- window.addEventListener("load", req.pageLoaded, false);
- }
- }
- }
-
- //Set up default context. If require was a configuration object, use that as base config.
+ //Set up with config info.
req(cfg);
-
- //If modules are built into require.js, then need to make sure dependencies are
- //traced. Use a setTimeout in the browser world, to allow all the modules to register
- //themselves. In a non-browser env, assume that modules are not built into require.js,
- //which seems odd to do on the server.
- if (req.isAsync && typeof setTimeout !== "undefined") {
- ctx = s.contexts[(cfg.context || defContextName)];
- //Indicate that the script that includes require() is still loading,
- //so that require()'d dependencies are not traced until the end of the
- //file is parsed (approximated via the setTimeout call).
- ctx.requireWait = true;
- setTimeout(function () {
- ctx.requireWait = false;
-
- if (!ctx.scriptCount) {
- ctx.resume();
- }
- req.checkReadyState();
- }, 0);
- }
-}());
+}(this));
diff --git a/index.html b/index.html
index 34abb971..7ebc6317 100644
--- a/index.html
+++ b/index.html
@@ -8,9 +8,9 @@
-
-
-
+
+
+
@@ -57,6 +57,7 @@