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Created August 3, 2012 13:07
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requirejs example for issue 404
Raw
README.rst

requirejs example for issue 404

this gist contains code to propose a fix for issue 404 on requirejs.

project structure:

├── demo.js
├── index.html
├── libs
│   ├── jquery.js
│   └── require.js
├── modules
│   └── tag.js
└── README.rst
Raw
demo.js
/*global require */
require.config({
paths: {
"jquery": "libs/jquery",
"tag": "modules/tag"
}
});
require(["tag"], function (tag) {
"use strict";
$(function () {
tag.doStuff();
});
});
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>requirejs test</title>
<script data-main="demo" src="libs/require.js"></script>
</head>
<body>
<h1>requirejs test</h1>
<div id="content">
</div>
</body>
</html>
Raw
jquery.js
/*! jQuery v1.7.2 jquery.com | jquery.org/license */
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a=this[0];return a?a.style?parseFloat(f.css(a,c,"padding")):this[c]():null},f.fn["outer"+a]=function(a){var b=this[0];return b?b.style?parseFloat(f.css(b,c,a?"margin":"border")):this[c]():null},f.fn[c]=function(a){return f.access(this,function(a,c,h){var i,j,k,l;if(f.isWindow(a)){i=a.document,j=i.documentElement[d];return f.support.boxModel&&j||i.body&&i.body[d]||j}if(a.nodeType===9){i=a.documentElement;if(i[d]>=i[e])return i[d];return Math.max(a.body[e],i[e],a.body[g],i[g])}if(h===b){k=f.css(a,c),l=parseFloat(k);return f.isNumeric(l)?l:k}f(a).css(c,h)},c,a,arguments.length,null)}}),a.jQuery=a.$=f,typeof define=="function"&&define.amd&&define.amd.jQuery&&define("jquery",[],function(){return f})})(window);
Raw
require.js
/** vim: et:ts=4:sw=4:sts=4
* @license RequireJS 2.0.4 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 regexp: true, nomen: true */
/*global window, navigator, document, importScripts, jQuery, setTimeout, opera */
var requirejs, require, define;
(function (global) {
'use strict';
var version = '2.0.4',
commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg,
cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g,
jsSuffixRegExp = /\.js$/,
currDirRegExp = /^\.\//,
ostring = Object.prototype.toString,
ap = Array.prototype,
aps = ap.slice,
apsp = ap.splice,
isBrowser = !!(typeof window !== 'undefined' && navigator && document),
isWebWorker = !isBrowser && typeof importScripts !== 'undefined',
//PS3 indicates loaded and complete, but need to wait for complete
//specifically. Sequence is 'loading', 'loaded', execution,
// then 'complete'. The UA check is unfortunate, but not sure how
//to feature test w/o causing perf issues.
readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ?
/^complete$/ : /^(complete|loaded)$/,
defContextName = '_',
//Oh the tragedy, detecting opera. See the usage of isOpera for reason.
isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]',
contexts = {},
cfg = {},
globalDefQueue = [],
useInteractive = false,
req, s, head, baseElement, dataMain, src,
interactiveScript, currentlyAddingScript, mainScript, subPath;
function isFunction(it) {
return ostring.call(it) === '[object Function]';
}
function isArray(it) {
return ostring.call(it) === '[object Array]';
}
/**
* Helper function for iterating over an array. If the func returns
* a true value, it will break out of the loop.
*/
function each(ary, func) {
if (ary) {
var i;
for (i = 0; i < ary.length; i += 1) {
if (ary[i] && func(ary[i], i, ary)) {
break;
}
}
}
}
/**
* Helper function for iterating over an array backwards. If the func
* returns a true value, it will break out of the loop.
*/
function eachReverse(ary, func) {
if (ary) {
var i;
for (i = ary.length - 1; i > -1; i -= 1) {
if (ary[i] && func(ary[i], i, ary)) {
break;
}
}
}
}
function hasProp(obj, prop) {
return 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;
}
}
}
}
/**
* Simple function to mix in properties from source into target,
* but only if target does not already have a property of the same name.
* This is not robust in IE for transferring methods that match
* Object.prototype names, but the uses of mixin here seem unlikely to
* trigger a problem related to that.
*/
function mixin(target, source, force, deepStringMixin) {
if (source) {
eachProp(source, function (value, prop) {
if (force || !hasProp(target, prop)) {
if (deepStringMixin && typeof value !== 'string') {
if (!target[prop]) {
target[prop] = {};
}
mixin(target[prop], value, force, deepStringMixin);
} else {
target[prop] = value;
}
}
});
}
return target;
}
//Similar to Function.prototype.bind, but the 'this' object is specified
//first, since it is easier to read/figure out what 'this' will be.
function bind(obj, fn) {
return function () {
return fn.apply(obj, arguments);
};
}
function scripts() {
return document.getElementsByTagName('script');
}
//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) {
var prop = item[1] || item[0];
req[item[0]] = context ? makeContextModuleFunc(context[prop], relMap) :
//If no context, then use default context. Reference from
//contexts instead of early binding to default context, so
//that during builds, the latest instance of the default
//context with its config gets used.
function () {
var ctx = contexts[defContextName];
return ctx[prop].apply(ctx, arguments);
};
});
}
/**
* Constructs an error with a pointer to an URL with more information.
* @param {String} id the error ID that maps to an ID on a web page.
* @param {String} message human readable error.
* @param {Error} [err] the original error, if there is one.
*
* @returns {Error}
*/
function makeError(id, msg, err, requireModules) {
var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id);
e.requireType = id;
e.requireModules = requireModules;
if (err) {
e.originalError = err;
}
return e;
}
if (typeof define !== 'undefined') {
//If a define is already in play via another AMD loader,
//do not overwrite.
return;
}
if (typeof requirejs !== 'undefined') {
if (isFunction(requirejs)) {
//Do not overwrite and existing requirejs instance.
return;
}
cfg = requirejs;
requirejs = undefined;
}
//Allow for a require config object
if (typeof require !== 'undefined' && !isFunction(require)) {
//assume it is a config object.
cfg = require;
require = undefined;
}
function newContext(contextName) {
var config = {
waitSeconds: 7,
baseUrl: './',
paths: {},
pkgs: {},
shim: {}
},
registry = {},
undefEvents = {},
defQueue = [],
defined = {},
urlFetched = {},
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.
* It will keep a leading path segment if a .. will become
* the first path segment, to help with module name lookups,
* which act like paths, but can be remapped. But the end result,
* all paths that use this function should look normalized.
* NOTE: this method MODIFIES the input array.
* @param {Array} ary the array of path segments.
*/
function trimDots(ary) {
var i, part;
for (i = 0; ary[i]; i+= 1) {
part = ary[i];
if (part === '.') {
ary.splice(i, 1);
i -= 1;
} else if (part === '..') {
if (i === 1 && (ary[2] === '..' || ary[0] === '..')) {
//End of the line. Keep at least one non-dot
//path segment at the front so it can be mapped
//correctly to disk. Otherwise, there is likely
//no path mapping for a path starting with '..'.
//This can still fail, but catches the most reasonable
//uses of ..
break;
} else if (i > 0) {
ary.splice(i - 1, 2);
i -= 2;
}
}
}
}
/**
* Given a relative module name, like ./something, normalize it to
* a real name that can be mapped to a path.
* @param {String} name the relative name
* @param {String} baseName a real name that the name arg is relative
* to.
* @param {Boolean} applyMap apply the map config to the value. Should
* only be done if this normalization is for a dependency ID.
* @returns {String} normalized name
*/
function normalize(name, baseName, applyMap) {
var baseParts = baseName && baseName.split('/'),
normalizedBaseParts = baseParts,
map = config.map,
starMap = map && map['*'],
pkgName, pkgConfig, mapValue, nameParts, i, j, nameSegment,
foundMap;
//Adjust any relative paths.
if (name && name.charAt(0) === '.') {
//If have a base name, try to normalize against it,
//otherwise, assume it is a top-level require that will
//be relative to baseUrl in the end.
if (baseName) {
if (config.pkgs[baseName]) {
//If the baseName is a package name, then just treat it as one
//name to concat the name with.
normalizedBaseParts = 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
//this normalization.
normalizedBaseParts = baseParts.slice(0, baseParts.length - 1);
}
name = normalizedBaseParts.concat(name.split('/'));
trimDots(name);
//Some use of packages may use a . path to reference the
//'main' module name, so normalize for that.
pkgConfig = config.pkgs[(pkgName = name[0])];
name = name.join('/');
if (pkgConfig && name === pkgName + '/' + pkgConfig.main) {
name = pkgName;
}
} else if (name.indexOf('./') === 0) {
// No baseName, so this is ID is resolved relative
// to baseUrl, pull off the leading dot.
name = name.substring(2);
}
}
//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
* also normalize the name via require.normalize()
*
* @param {String} name the module name
* @param {String} [parentModuleMap] parent module map
* for the module name, used to resolve relative names.
* @param {Boolean} isNormalized: is the ID already normalized.
* This is true if this call is done for a define() module ID.
* @param {Boolean} applyMap: apply the map config to the ID.
* Should only be true if this map is for a dependency.
*
* @returns {Object}
*/
function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) {
var index = name ? name.indexOf('!') : -1,
prefix = null,
parentName = parentModuleMap ? parentModuleMap.name : null,
originalName = name,
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);
name = name.substring(index + 1, name.length);
}
if (prefix) {
prefix = normalize(prefix, parentName, applyMap);
pluginModule = defined[prefix];
}
//Account for relative paths if there is a base name.
if (name) {
if (prefix) {
if (pluginModule && pluginModule.normalize) {
//Plugin is loaded, use its normalize method.
normalizedName = pluginModule.normalize(name, function (name) {
return normalize(name, parentName, applyMap);
});
} else {
normalizedName = normalize(name, parentName, applyMap);
}
} else {
//A regular module.
normalizedName = normalize(name, parentName, applyMap);
url = context.nameToUrl(normalizedName);
}
}
//If the id is a plugin id that cannot be determined if it needs
//normalization, stamp it with a unique ID so two matching relative
//ids that may conflict can be separate.
suffix = prefix && !pluginModule && !isNormalized ?
'_unnormalized' + (unnormalizedCounter += 1) :
'';
return {
prefix: prefix,
name: normalizedName,
parentMap: parentModuleMap,
unnormalized: !!suffix,
url: url,
originalName: originalName,
isDefine: isDefine,
id: (prefix ?
prefix + '!' + normalizedName :
normalizedName) + suffix
};
}
function getModule(depMap) {
var id = depMap.id,
mod = 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);
}
}
}
/**
* Internal method to transfer globalQueue items to this context's
* defQueue.
*/
function takeGlobalQueue() {
//Push all the globalDefQueue items into the context's defQueue
if (globalDefQueue.length) {
//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 = [];
}
}
/**
* Helper function that creates a require function object to give to
* modules that ask for it as a dependency. It needs to be specific
* per module because of the implication of path mappings that may
* need to be relative to the module name.
*/
function makeRequire(mod, enableBuildCallback, altRequire) {
var relMap = mod && mod.map,
modRequire = makeContextModuleFunc(altRequire || context.require,
relMap,
enableBuildCallback);
addRequireMethods(modRequire, context, relMap);
modRequire.isBrowser = isBrowser;
return modRequire;
}
handlers = {
'require': function (mod) {
return makeRequire(mod);
},
'exports': function (mod) {
mod.usingExports = true;
if (mod.map.isDefine) {
return (mod.exports = defined[mod.map.id] = {});
}
},
'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]
});
}
};
function removeWaiting(id) {
//Clean up machinery used for waiting modules.
delete registry[id];
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[id]) {
return mod;
}
traced[id] = true;
//Trace through the dependencies.
each(depArray, function (depMap) {
var depId = depMap.id,
depMod = registry[depId];
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;
}
//mixin traced to a new object for each dependency, so that
//sibling dependencies in this object to not generate a
//false positive match on a cycle. Ideally an Object.create
//type of prototype delegation would be used here, but
//optimizing for file size vs. execution speed since hopefully
//the trees are small for circular dependency scans relative
//to the full app perf.
return (foundModule = findCycle(depMod, mixin({}, traced)));
});
return foundModule;
}
function forceExec(mod, traced, uninited) {
var id = mod.map.id,
depArray = mod.depMaps;
if (!mod.inited || !mod.map.isDefine) {
return;
}
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;
}
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;
}
//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);
}
}
});
mod.check(true);
return defined[id];
}
function modCheck(mod) {
mod.check();
}
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 = [],
stillLoading = false,
needCycleCheck = true,
map, modId, err, usingPathFallback;
//Do not bother if this call was a result of a cycle break.
if (inCheckLoaded) {
return;
}
inCheckLoaded = true;
//Figure out the state of all the modules.
eachProp(registry, function (mod) {
map = mod.map;
modId = map.id;
//Skip things that are not enabled or in error state.
if (!mod.enabled) {
return;
}
if (!mod.error) {
//If the module should be executed, and it has not
//been inited and time is up, remember it.
if (!mod.inited && expired) {
if (hasPathFallback(modId)) {
usingPathFallback = true;
stillLoading = true;
} else {
noLoads.push(modId);
removeScript(modId);
}
} else if (!mod.inited && mod.fetched && map.isDefine) {
stillLoading = true;
if (!map.prefix) {
//No reason to keep looking for unfinished
//loading. If the only stillLoading is a
//plugin resource though, keep going,
//because it may be that a plugin resource
//is waiting on a non-plugin cycle.
return (needCycleCheck = false);
}
}
}
});
if (expired && noLoads.length) {
//If wait time expired, throw error of unloaded modules.
err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads);
err.contextName = context.contextName;
return onError(err);
}
//Not expired, check for a cycle.
if (needCycleCheck) {
each(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 || usingPathFallback) && stillLoading) {
//Something is still waiting to load. Wait for it, but only
//if a timeout is not already in effect.
if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) {
checkLoadedTimeoutId = setTimeout(function () {
checkLoadedTimeoutId = 0;
checkLoaded();
}, 50);
}
}
inCheckLoaded = false;
}
Module = function (map) {
this.events = undefEvents[map.id] || {};
this.map = map;
this.shim = config.shim[map.id];
this.depExports = [];
this.depMaps = [];
this.depMatched = [];
this.pluginMaps = {};
this.depCount = 0;
/* this.exports this.factory
this.depMaps = [],
this.enabled, this.fetched
*/
};
Module.prototype = {
init: function(depMaps, factory, errback, options) {
options = options || {};
//Do not do more inits if already done. Can happen if there
//are multiple define calls for the same module. That is not
//a normal, common case, but it is also not unexpected.
if (this.inited) {
return;
}
this.factory = factory;
if (errback) {
//Register for errors on this module.
this.on('error', errback);
} else if (this.events.error) {
//If no errback already, but there are error listeners
//on this module, set up an errback to pass to the deps.
errback = bind(this, function (err) {
this.emit('error', err);
});
}
//Do a copy of the dependency array, so that
//source inputs are not modified. For example
//"shim" deps are passed in here directly, and
//doing a direct modification of the depMaps array
//would affect that config.
this.depMaps = depMaps && depMaps.slice(0);
this.depMaps.rjsSkipMap = depMaps.rjsSkipMap;
this.errback = errback;
//Indicate this module has be initialized
this.inited = true;
this.ignore = options.ignore;
//Could have option to init this module in enabled mode,
//or could have been previously marked as enabled. However,
//the dependencies are not known until init is called. So
//if enabled previously, now trigger dependencies as enabled.
if (options.enabled || this.enabled) {
//Enable this module and dependencies.
//Will call this.check()
this.enable();
} else {
this.check();
}
},
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 (this.shim) {
makeRequire(this, true)(this.shim.deps || [], bind(this, function () {
return map.prefix ? this.callPlugin() : this.load();
}));
} else {
//Regular dependency.
return map.prefix ? this.callPlugin() : this.load();
}
},
load: function() {
var url = this.map.url;
//Regular dependency.
if (!urlFetched[url]) {
urlFetched[url] = true;
context.load(this.map.id, url);
}
},
/**
* Checks 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 || this.enabling) {
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 = [];
}
}
//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,
this.map.parentMap,
false,
true);
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;
}
//Prime the system by creating a module instance for
//it.
getModule(makeModuleMap(moduleName));
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) {
deps.rjsSkipMap = true;
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;
}
//Set flag mentioning that the module is enabling,
//so that immediate calls to the defined callbacks
//for dependencies do not trigger inadvertent load
//with the depCount still being zero.
this.enabling = true;
//Enable each dependency
each(this.depMaps, bind(this, function (depMap, i) {
var id, mod, handler;
if (typeof depMap === 'string') {
//Dependency needs to be converted to a depMap
//and wired up to this module.
depMap = makeModuleMap(depMap,
(this.map.isDefine ? this.map : this.map.parentMap),
false,
!this.depMaps.rjsSkipMap);
this.depMaps[i] = depMap;
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 (this.errback) {
on(depMap, 'error', this.errback);
}
}
id = depMap.id;
mod = registry[id];
//Skip special modules like 'require', 'exports', 'module'
//Also, don't call enable if it is already enabled,
//important in circular dependency cases.
if (!handlers[id] && mod && !mod.enabled) {
context.enable(depMap, this);
}
}));
//Enable each plugin that is used in
//a dependency
eachProp(this.pluginMaps, bind(this, function (pluginMap) {
var mod = registry[pluginMap.id];
if (mod && !mod.enabled) {
context.enable(pluginMap, this);
}
}));
this.enabling = false;
this.check();
},
on: function(name, cb) {
var cbs = this.events[name];
if (!cbs) {
cbs = this.events[name] = [];
}
cbs.push(cb);
},
emit: function (name, evt) {
each(this.events[name], function (cb) {
cb(evt);
});
if (name === 'error') {
//Now that the error handler was triggered, remove
//the listeners, since this broken Module instance
//can stay around for a while in the registry/waitAry.
delete this.events[name];
}
}
};
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,
contextName: contextName,
registry: registry,
defined: defined,
urlFetched: urlFetched,
waitCount: 0,
defQueue: defQueue,
Module: Module,
makeModuleMap: makeModuleMap,
/**
* Set a configuration for the context.
* @param {Object} cfg config object to integrate.
*/
configure: function (cfg) {
//Make sure the baseUrl ends in a slash.
if (cfg.baseUrl) {
if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== '/') {
cfg.baseUrl += '/';
}
}
//Save off the paths and packages since they require special processing,
//they are additive.
var pkgs = config.pkgs,
shim = config.shim,
paths = config.paths,
map = config.map;
//Mix in the config values, favoring the new values over
//existing ones in context.config.
mixin(config, cfg, true);
//Merge paths.
config.paths = mixin(paths, cfg.paths, true);
//Merge map
if (cfg.map) {
config.map = mixin(map || {}, cfg.map, true, true);
}
//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) {
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 there are any "waiting to execute" modules in the registry,
//update the maps for them, since their info, like URLs to load,
//may have changed.
eachProp(registry, function (mod, id) {
mod.map = makeModuleMap(id);
});
//If a deps array or a config callback is specified, then call
//require with those args. This is useful when require is defined as a
//config object before require.js is loaded.
if (cfg.deps || cfg.callback) {
context.require(cfg.deps || [], cfg.callback);
}
},
makeShimExports: function (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);
};
}
},
requireDefined: function (id, relMap) {
return hasProp(defined, makeModuleMap(id, relMap, false, true).id);
},
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 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 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 relMap.
moduleName = deps;
relMap = callback;
//Normalize module name, if it contains . or ..
map = makeModuleMap(moduleName, relMap, false, true);
id = map.id;
if (!hasProp(defined, id)) {
return onError(makeError('notloaded', 'Module name "' +
id +
'" has not been loaded yet for context: ' +
contextName));
}
return defined[id];
}
//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;
}
//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 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);
}
},
/**
* 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.
*/
enable: function (depMap, parent) {
var mod = registry[depMap.id];
if (mod) {
getModule(depMap).enable();
}
},
/**
* Internal method used by environment adapters to complete a load event.
* A load event could be a script load or just a load pass from a synchronous
* load call.
* @param {String} moduleName the name of the module to potentially complete.
*/
completeLoad: function (moduleName) {
var shim = config.shim[moduleName] || {},
shExports = shim.exports && shim.exports.exports,
found, args, mod;
takeGlobalQueue();
while (defQueue.length) {
args = defQueue.shift();
if (args[0] === null) {
args[0] = moduleName;
//If already found an anonymous module and bound it
//to this name, then this is some other anon module
//waiting for its completeLoad to fire.
if (found) {
break;
}
found = true;
} else if (args[0] === moduleName) {
//Found matching define call for this script!
found = true;
}
callGetModule(args);
}
//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();
},
/**
* Converts a module name + .extension into an URL path.
* *Requires* the use of a module name. It does not support using
* plain URLs like nameToUrl.
*/
toUrl: function (moduleNamePlusExt, relModuleMap) {
var index = moduleNamePlusExt.lastIndexOf('.'),
ext = null;
if (index !== -1) {
ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length);
moduleNamePlusExt = moduleNamePlusExt.substring(0, index);
}
return context.nameToUrl(normalize(moduleNamePlusExt, relModuleMap && relModuleMap.id, true),
ext);
},
/**
* Converts a module name to a file path. Supports cases where
* moduleName may actually be just an URL.
* Note that it **does not** call normalize on the moduleName,
* it is assumed to have already been normalized. This is an
* internal API, not a public one. Use toUrl for the public API.
*/
nameToUrl: function (moduleName, ext) {
var paths, pkgs, pkg, pkgPath, syms, i, parentModule, url,
parentPath;
//If a colon is in the URL, it indicates a protocol is used and it is just
//an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?)
//or ends with .js, then assume the user meant to use an url and not a module id.
//The slash is important for protocol-less URLs as well as full paths.
if (req.jsExtRegExp.test(moduleName)) {
//Just a plain path, not module name lookup, so just return it.
//Add extension if it is included. This is a bit wonky, only non-.js things pass
//an extension, this method probably needs to be reworked.
url = moduleName + (ext || '');
} else {
//A module that needs to be converted to a path.
paths = config.paths;
pkgs = config.pkgs;
syms = moduleName.split('/');
//For each module name segment, see if there is a path
//registered for it. Start with most specific name
//and work up from it.
for (i = syms.length; i > 0; i -= 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) {
//If module name is just the package name, then looking
//for the main module.
if (moduleName === pkg.name) {
pkgPath = pkg.location + '/' + pkg.main;
} else {
pkgPath = pkg.location;
}
syms.splice(0, i, pkgPath);
break;
}
}
//Join the path parts together, then figure out if baseUrl is needed.
url = syms.join('/') + (ext || '.js');
url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url;
}
return config.urlArgs ? url +
((url.indexOf('?') === -1 ? '?' : '&') +
config.urlArgs) : url;
},
//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]));
}
}
});
}
/**
* Main entry point.
*
* If the only argument to require is a string, then the module that
* is represented by that string is fetched for the appropriate context.
*
* If the first argument is an array, then it will be treated as an array
* of dependency string names to fetch. An optional function callback can
* be specified to execute when all of those dependencies are available.
*
* Make a local req variable to help Caja compliance (it assumes things
* on a require that are not standardized), and to give a short
* name for minification/local scope use.
*/
req = requirejs = function (deps, callback, errback, optional) {
//Find the right context, use default
var contextName = defContextName,
context, config;
// Determine if have config object in the call.
if (!isArray(deps) && typeof deps !== 'string') {
// deps is a config object
config = deps;
if (isArray(callback)) {
// Adjust args if there are dependencies
deps = callback;
callback = errback;
errback = optional;
} else {
deps = [];
}
}
if (config && config.context) {
contextName = config.context;
}
context = contexts[contextName];
if (!context) {
context = contexts[contextName] = req.s.newContext(contextName);
}
if (config) {
context.configure(config);
}
return context.require(deps, callback, errback);
};
/**
* Support require.config() to make it easier to cooperate with other
* AMD loaders on globally agreed names.
*/
req.config = function (config) {
return req(config);
};
/**
* Export require as a global, but only if it does not already exist.
*/
if (!require) {
require = req;
}
req.version = version;
//Used to filter out dependencies that are already paths.
req.jsExtRegExp = /^\/|:|\?|\.js$/;
req.isBrowser = isBrowser;
s = req.s = {
contexts: contexts,
newContext: newContext
};
//Create default context.
req({});
//Exports some context-sensitive methods on global require, using
//default context if no context specified.
addRequireMethods(req);
if (isBrowser) {
head = s.head = document.getElementsByTagName('head')[0];
//If BASE tag is in play, using appendChild is a problem for IE6.
//When that browser dies, this can be removed. Details in this jQuery bug:
//http://dev.jquery.com/ticket/2709
baseElement = document.getElementsByTagName('base')[0];
if (baseElement) {
head = s.head = baseElement.parentNode;
}
}
/**
* Any errors that require explicitly generates will be passed to this
* function. Intercept/override it if you want custom error handling.
* @param {Error} err the error object.
*/
req.onError = function (err) {
throw err;
};
/**
* Does the request to load a module for the browser case.
* Make this a separate function to allow other environments
* to override it.
*
* @param {Object} context the require context to find state.
* @param {String} moduleName the name of the module.
* @param {Object} url the URL to the module.
*/
req.load = function (context, moduleName, url) {
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';
node.async = true;
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()
//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() {
if (interactiveScript && interactiveScript.readyState === 'interactive') {
return interactiveScript;
}
eachReverse(scripts(), function (script) {
if (script.readyState === 'interactive') {
return (interactiveScript = script);
}
});
return interactiveScript;
}
//Look for a data-main script attribute, which could also adjust the baseUrl.
if (isBrowser) {
//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) {
//Set final baseUrl if there is not already an explicit one.
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('/') + '/' : './';
cfg.baseUrl = subPath;
dataMain = mainScript;
}
//Strip off any trailing .js since dataMain is now
//like a module name.
dataMain = dataMain.replace(jsSuffixRegExp, '');
//Put the data-main script in the files to load.
cfg.deps = cfg.deps ? cfg.deps.concat(dataMain) : [dataMain];
return true;
}
});
}
/**
* The function that handles definitions of modules. Differs from
* require() in that a string for the module should be the first argument,
* and the function to execute after dependencies are loaded should
* return a value to define the module corresponding to the first argument's
* name.
*/
define = function (name, deps, callback) {
var node, context;
//Allow for anonymous functions
if (typeof name !== 'string') {
//Adjust args appropriately
callback = deps;
deps = name;
name = null;
}
//This module may not have dependencies
if (!isArray(deps)) {
callback = deps;
deps = [];
}
//If no name, and callback is a function, then figure out if it a
//CommonJS thing with dependencies.
if (!deps.length && isFunction(callback)) {
//Remove comments from the callback string,
//look for require calls, and pull them into the dependencies,
//but only if there are function args.
if (callback.length) {
callback
.toString()
.replace(commentRegExp, '')
.replace(cjsRequireRegExp, function (match, dep) {
deps.push(dep);
});
//May be a CommonJS thing even without require calls, but still
//could use exports, and module. Avoid doing exports and module
//work though if it just needs require.
//REQUIRES the function to expect the CommonJS variables in the
//order listed below.
deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps);
}
}
//If in IE 6-8 and hit an anonymous define() call, do the interactive
//work.
if (useInteractive) {
node = currentlyAddingScript || getInteractiveScript();
if (node) {
if (!name) {
name = node.getAttribute('data-requiremodule');
}
context = contexts[node.getAttribute('data-requirecontext')];
}
}
//Always save off evaluating the def call until the script onload handler.
//This allows multiple modules to be in a file without prematurely
//tracing dependencies, and allows for anonymous module support,
//where the module name is not known until the script onload event
//occurs. If no context, use the global queue, and get it processed
//in the onscript load callback.
(context ? context.defQueue : globalDefQueue).push([name, deps, callback]);
};
define.amd = {
jQuery: true
};
/**
* Executes the text. Normally just uses eval, but can be modified
* to use a better, environment-specific call. Only used for transpiling
* loader plugins, not for plain JS modules.
* @param {String} text the text to execute/evaluate.
*/
req.exec = function (text) {
/*jslint evil: true */
return eval(text);
};
//Set up with config info.
req(cfg);
}(this));
Raw
tag.js
/*global define*/
define(['jquery'], function ($) {
"use strict";
return {
"doStuff": function () {
$("#content").append("<p>using jquery from tag module</p>");
}
};
});
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