/instantMessage/node_modules/jquery-ui/external/requirejs/require.js |
@@ -0,0 +1,2076 @@ |
/** vim: et:ts=4:sw=4:sts=4 |
* @license RequireJS 2.1.14 Copyright (c) 2010-2014, The Dojo Foundation All Rights Reserved. |
* Available via the MIT or new BSD license. |
* see: http://github.com/jrburke/requirejs for details |
*/ |
//Not using strict: uneven strict support in browsers, #392, and causes |
//problems with requirejs.exec()/transpiler plugins that may not be strict. |
/*jslint regexp: true, nomen: true, sloppy: true */ |
/*global window, navigator, document, importScripts, setTimeout, opera */ |
|
var requirejs, require, define; |
(function (global) { |
var req, s, head, baseElement, dataMain, src, |
interactiveScript, currentlyAddingScript, mainScript, subPath, |
version = '2.1.14', |
commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg, |
cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g, |
jsSuffixRegExp = /\.js$/, |
currDirRegExp = /^\.\//, |
op = Object.prototype, |
ostring = op.toString, |
hasOwn = op.hasOwnProperty, |
ap = Array.prototype, |
apsp = ap.splice, |
isBrowser = !!(typeof window !== 'undefined' && typeof navigator !== 'undefined' && window.document), |
isWebWorker = !isBrowser && typeof importScripts !== 'undefined', |
//PS3 indicates loaded and complete, but need to wait for complete |
//specifically. Sequence is 'loading', 'loaded', execution, |
// then 'complete'. The UA check is unfortunate, but not sure how |
//to feature test w/o causing perf issues. |
readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ? |
/^complete$/ : /^(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; |
|
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 hasOwn.call(obj, prop); |
} |
|
function getOwn(obj, prop) { |
return hasProp(obj, prop) && obj[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 (hasProp(obj, 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. |
*/ |
function mixin(target, source, force, deepStringMixin) { |
if (source) { |
eachProp(source, function (value, prop) { |
if (force || !hasProp(target, prop)) { |
if (deepStringMixin && typeof value === 'object' && value && |
!isArray(value) && !isFunction(value) && |
!(value instanceof RegExp)) { |
|
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'); |
} |
|
function defaultOnError(err) { |
throw err; |
} |
|
//Allow getting a global that is 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; |
} |
|
/** |
* 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 an 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 inCheckLoaded, Module, context, handlers, |
checkLoadedTimeoutId, |
config = { |
//Defaults. Do not set a default for map |
//config to speed up normalize(), which |
//will run faster if there is no default. |
waitSeconds: 7, |
baseUrl: './', |
paths: {}, |
bundles: {}, |
pkgs: {}, |
shim: {}, |
config: {} |
}, |
registry = {}, |
//registry of just enabled modules, to speed |
//cycle breaking code when lots of modules |
//are registered, but not activated. |
enabledRegistry = {}, |
undefEvents = {}, |
defQueue = [], |
defined = {}, |
urlFetched = {}, |
bundlesMap = {}, |
requireCounter = 1, |
unnormalizedCounter = 1; |
|
/** |
* 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; i < ary.length; i++) { |
part = ary[i]; |
if (part === '.') { |
ary.splice(i, 1); |
i -= 1; |
} else if (part === '..') { |
// If at the start, or previous value is still .., |
// keep them so that when converted to a path it may |
// still work when converted to a path, even though |
// as an ID it is less than ideal. In larger point |
// releases, may be better to just kick out an error. |
if (i === 0 || (i == 1 && ary[2] === '..') || ary[i - 1] === '..') { |
continue; |
} 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 pkgMain, mapValue, nameParts, i, j, nameSegment, lastIndex, |
foundMap, foundI, foundStarMap, starI, normalizedBaseParts, |
baseParts = (baseName && baseName.split('/')), |
map = config.map, |
starMap = map && map['*']; |
|
//Adjust any relative paths. |
if (name) { |
name = name.split('/'); |
lastIndex = name.length - 1; |
|
// If wanting node ID compatibility, strip .js from end |
// of IDs. Have to do this here, and not in nameToUrl |
// because node allows either .js or non .js to map |
// to same file. |
if (config.nodeIdCompat && jsSuffixRegExp.test(name[lastIndex])) { |
name[lastIndex] = name[lastIndex].replace(jsSuffixRegExp, ''); |
} |
|
// Starts with a '.' so need the baseName |
if (name[0].charAt(0) === '.' && baseParts) { |
//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); |
} |
|
trimDots(name); |
name = name.join('/'); |
} |
|
//Apply map config if available. |
if (applyMap && map && (baseParts || starMap)) { |
nameParts = name.split('/'); |
|
outerLoop: 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 = getOwn(map, baseParts.slice(0, j).join('/')); |
|
//baseName segment has config, find if it has one for |
//this name. |
if (mapValue) { |
mapValue = getOwn(mapValue, nameSegment); |
if (mapValue) { |
//Match, update name to the new value. |
foundMap = mapValue; |
foundI = i; |
break outerLoop; |
} |
} |
} |
} |
|
//Check for a star map match, but just hold on to it, |
//if there is a shorter segment match later in a matching |
//config, then favor over this star map. |
if (!foundStarMap && starMap && getOwn(starMap, nameSegment)) { |
foundStarMap = getOwn(starMap, nameSegment); |
starI = i; |
} |
} |
|
if (!foundMap && foundStarMap) { |
foundMap = foundStarMap; |
foundI = starI; |
} |
|
if (foundMap) { |
nameParts.splice(0, foundI, foundMap); |
name = nameParts.join('/'); |
} |
} |
|
// If the name points to a package's name, use |
// the package main instead. |
pkgMain = getOwn(config.pkgs, name); |
|
return pkgMain ? pkgMain : 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 = getOwn(config.paths, id); |
if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) { |
//Pop off the first array value, since it failed, and |
//retry |
pathConfig.shift(); |
context.require.undef(id); |
|
//Custom require that does not do map translation, since |
//ID is "absolute", already mapped/resolved. |
context.makeRequire(null, { |
skipMap: true |
})([id]); |
|
return true; |
} |
} |
|
//Turns a plugin!resource to [plugin, resource] |
//with the plugin being undefined if the name |
//did not have a plugin prefix. |
function splitPrefix(name) { |
var prefix, |
index = name ? name.indexOf('!') : -1; |
if (index > -1) { |
prefix = name.substring(0, index); |
name = name.substring(index + 1, name.length); |
} |
return [prefix, name]; |
} |
|
/** |
* Creates a module mapping that includes plugin prefix, module |
* name, and path. If parentModuleMap is provided it will |
* also normalize the name via require.normalize() |
* |
* @param {String} name the module name |
* @param {String} [parentModuleMap] parent module map |
* for the module name, used to resolve relative names. |
* @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 url, pluginModule, suffix, nameParts, |
prefix = null, |
parentName = parentModuleMap ? parentModuleMap.name : null, |
originalName = name, |
isDefine = true, |
normalizedName = ''; |
|
//If no name, then it means it is a require call, generate an |
//internal name. |
if (!name) { |
isDefine = false; |
name = '_@r' + (requireCounter += 1); |
} |
|
nameParts = splitPrefix(name); |
prefix = nameParts[0]; |
name = nameParts[1]; |
|
if (prefix) { |
prefix = normalize(prefix, parentName, applyMap); |
pluginModule = getOwn(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 { |
// If nested plugin references, then do not try to |
// normalize, as it will not normalize correctly. This |
// places a restriction on resourceIds, and the longer |
// term solution is not to normalize until plugins are |
// loaded and all normalizations to allow for async |
// loading of a loader plugin. But for now, fixes the |
// common uses. Details in #1131 |
normalizedName = name.indexOf('!') === -1 ? |
normalize(name, parentName, applyMap) : |
name; |
} |
} else { |
//A regular module. |
normalizedName = normalize(name, parentName, applyMap); |
|
//Normalized name may be a plugin ID due to map config |
//application in normalize. The map config values must |
//already be normalized, so do not need to redo that part. |
nameParts = splitPrefix(normalizedName); |
prefix = nameParts[0]; |
normalizedName = nameParts[1]; |
isNormalized = true; |
|
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 = getOwn(registry, id); |
|
if (!mod) { |
mod = registry[id] = new context.Module(depMap); |
} |
|
return mod; |
} |
|
function on(depMap, name, fn) { |
var id = depMap.id, |
mod = getOwn(registry, id); |
|
if (hasProp(defined, id) && |
(!mod || mod.defineEmitComplete)) { |
if (name === 'defined') { |
fn(defined[id]); |
} |
} else { |
mod = getModule(depMap); |
if (mod.error && name === 'error') { |
fn(mod.error); |
} else { |
mod.on(name, fn); |
} |
} |
} |
|
function onError(err, errback) { |
var ids = err.requireModules, |
notified = false; |
|
if (errback) { |
errback(err); |
} else { |
each(ids, function (id) { |
var mod = getOwn(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, 0].concat(globalDefQueue)); |
globalDefQueue = []; |
} |
} |
|
handlers = { |
'require': function (mod) { |
if (mod.require) { |
return mod.require; |
} else { |
return (mod.require = context.makeRequire(mod.map)); |
} |
}, |
'exports': function (mod) { |
mod.usingExports = true; |
if (mod.map.isDefine) { |
if (mod.exports) { |
return (defined[mod.map.id] = mod.exports); |
} else { |
return (mod.exports = defined[mod.map.id] = {}); |
} |
} |
}, |
'module': function (mod) { |
if (mod.module) { |
return mod.module; |
} else { |
return (mod.module = { |
id: mod.map.id, |
uri: mod.map.url, |
config: function () { |
return getOwn(config.config, mod.map.id) || {}; |
}, |
exports: mod.exports || (mod.exports = {}) |
}); |
} |
} |
}; |
|
function cleanRegistry(id) { |
//Clean up machinery used for waiting modules. |
delete registry[id]; |
delete enabledRegistry[id]; |
} |
|
function breakCycle(mod, traced, processed) { |
var id = mod.map.id; |
|
if (mod.error) { |
mod.emit('error', mod.error); |
} else { |
traced[id] = true; |
each(mod.depMaps, function (depMap, i) { |
var depId = depMap.id, |
dep = getOwn(registry, depId); |
|
//Only force things that have not completed |
//being defined, so still in the registry, |
//and only if it has not been matched up |
//in the module already. |
if (dep && !mod.depMatched[i] && !processed[depId]) { |
if (getOwn(traced, depId)) { |
mod.defineDep(i, defined[depId]); |
mod.check(); //pass false? |
} else { |
breakCycle(dep, traced, processed); |
} |
} |
}); |
processed[id] = true; |
} |
} |
|
function checkLoaded() { |
var err, usingPathFallback, |
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 = [], |
reqCalls = [], |
stillLoading = false, |
needCycleCheck = true; |
|
//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(enabledRegistry, function (mod) { |
var map = mod.map, |
modId = map.id; |
|
//Skip things that are not enabled or in error state. |
if (!mod.enabled) { |
return; |
} |
|
if (!map.isDefine) { |
reqCalls.push(mod); |
} |
|
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(reqCalls, function (mod) { |
breakCycle(mod, {}, {}); |
}); |
} |
|
//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 = getOwn(undefEvents, map.id) || {}; |
this.map = map; |
this.shim = getOwn(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.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(); |
} |
}, |
|
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) { |
context.makeRequire(this.map, { |
enableBuildCallback: 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 if the module is ready to define itself, and if so, |
* define it. |
*/ |
check: function () { |
if (!this.enabled || this.enabling) { |
return; |
} |
|
var err, cjsModule, |
id = this.map.id, |
depExports = this.depExports, |
exports = this.exports, |
factory = this.factory; |
|
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. However, |
//only do it for define()'d modules. require |
//errbacks should not be called for failures in |
//their callbacks (#699). However if a global |
//onError is set, use that. |
if ((this.events.error && this.map.isDefine) || |
req.onError !== defaultOnError) { |
try { |
exports = context.execCb(id, factory, depExports, exports); |
} catch (e) { |
err = e; |
} |
} else { |
exports = context.execCb(id, factory, depExports, exports); |
} |
|
// Favor return value over exports. If node/cjs in play, |
// then will not have a return value anyway. Favor |
// module.exports assignment over exports object. |
if (this.map.isDefine && exports === undefined) { |
cjsModule = this.module; |
if (cjsModule) { |
exports = cjsModule.exports; |
} else if (this.usingExports) { |
//exports already set the defined value. |
exports = this.exports; |
} |
} |
|
if (err) { |
err.requireMap = this.map; |
err.requireModules = this.map.isDefine ? [this.map.id] : null; |
err.requireType = this.map.isDefine ? 'define' : 'require'; |
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 |
cleanRegistry(id); |
|
this.defined = true; |
} |
|
//Finished the define stage. Allow calling check again |
//to allow define notifications below in the case of a |
//cycle. |
this.defining = false; |
|
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, |
//Map already normalized the prefix. |
pluginMap = makeModuleMap(map.prefix); |
|
//Mark this as a dependency for this plugin, so it |
//can be traced for cycles. |
this.depMaps.push(pluginMap); |
|
on(pluginMap, 'defined', bind(this, function (plugin) { |
var load, normalizedMap, normalizedMod, |
bundleId = getOwn(bundlesMap, this.map.id), |
name = this.map.name, |
parentName = this.map.parentMap ? this.map.parentMap.name : null, |
localRequire = context.makeRequire(map.parentMap, { |
enableBuildCallback: true |
}); |
|
//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); |
}) || ''; |
} |
|
//prefix and name should already be normalized, no need |
//for applying map config again either. |
normalizedMap = makeModuleMap(map.prefix + '!' + name, |
this.map.parentMap); |
on(normalizedMap, |
'defined', bind(this, function (value) { |
this.init([], function () { return value; }, null, { |
enabled: true, |
ignore: true |
}); |
})); |
|
normalizedMod = getOwn(registry, normalizedMap.id); |
if (normalizedMod) { |
//Mark this as a dependency for this plugin, so it |
//can be traced for cycles. |
this.depMaps.push(normalizedMap); |
|
if (this.events.error) { |
normalizedMod.on('error', bind(this, function (err) { |
this.emit('error', err); |
})); |
} |
normalizedMod.enable(); |
} |
|
return; |
} |
|
//If a paths config, then just load that file instead to |
//resolve the plugin, as it is built into that paths layer. |
if (bundleId) { |
this.map.url = context.nameToUrl(bundleId); |
this.load(); |
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) { |
cleanRegistry(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 = bind(this, function (text, textAlt) { |
/*jslint evil: true */ |
var moduleName = map.name, |
moduleMap = makeModuleMap(moduleName), |
hasInteractive = useInteractive; |
|
//As of 2.1.0, support just passing the text, to reinforce |
//fromText only being called once per resource. Still |
//support old style of passing moduleName but discard |
//that moduleName in favor of the internal ref. |
if (textAlt) { |
text = textAlt; |
} |
|
//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(moduleMap); |
|
//Transfer any config to this other module. |
if (hasProp(config.config, id)) { |
config.config[moduleName] = config.config[id]; |
} |
|
try { |
req.exec(text); |
} catch (e) { |
return onError(makeError('fromtexteval', |
'fromText eval for ' + id + |
' failed: ' + e, |
e, |
[id])); |
} |
|
if (hasInteractive) { |
useInteractive = true; |
} |
|
//Mark this as a dependency for the plugin |
//resource |
this.depMaps.push(moduleMap); |
|
//Support anonymous modules. |
context.completeLoad(moduleName); |
|
//Bind the value of that module to the value for this |
//resource ID. |
localRequire([moduleName], load); |
}); |
|
//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, localRequire, load, config); |
})); |
|
context.enable(pluginMap, this); |
this.pluginMaps[pluginMap.id] = pluginMap; |
}, |
|
enable: function () { |
enabledRegistry[this.map.id] = this; |
this.enabled = 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.skipMap); |
this.depMaps[i] = depMap; |
|
handler = getOwn(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', bind(this, 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 (!hasProp(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 = getOwn(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. |
delete this.events[name]; |
} |
} |
}; |
|
function callGetModule(args) { |
//Skip modules already defined. |
if (!hasProp(defined, args[0])) { |
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') |
}; |
} |
|
function intakeDefines() { |
var args; |
|
//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); |
} |
} |
} |
|
context = { |
config: config, |
contextName: contextName, |
registry: registry, |
defined: defined, |
urlFetched: urlFetched, |
defQueue: defQueue, |
Module: Module, |
makeModuleMap: makeModuleMap, |
nextTick: req.nextTick, |
onError: onError, |
|
/** |
* 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 since they require special processing, |
//they are additive. |
var shim = config.shim, |
objs = { |
paths: true, |
bundles: true, |
config: true, |
map: true |
}; |
|
eachProp(cfg, function (value, prop) { |
if (objs[prop]) { |
if (!config[prop]) { |
config[prop] = {}; |
} |
mixin(config[prop], value, true, true); |
} else { |
config[prop] = value; |
} |
}); |
|
//Reverse map the bundles |
if (cfg.bundles) { |
eachProp(cfg.bundles, function (value, prop) { |
each(value, function (v) { |
if (v !== prop) { |
bundlesMap[v] = 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.init) && !value.exportsFn) { |
value.exportsFn = context.makeShimExports(value); |
} |
shim[id] = value; |
}); |
config.shim = shim; |
} |
|
//Adjust packages if necessary. |
if (cfg.packages) { |
each(cfg.packages, function (pkgObj) { |
var location, name; |
|
pkgObj = typeof pkgObj === 'string' ? { name: pkgObj } : pkgObj; |
|
name = pkgObj.name; |
location = pkgObj.location; |
if (location) { |
config.paths[name] = pkgObj.location; |
} |
|
//Save pointer to main module ID for pkg 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. |
config.pkgs[name] = pkgObj.name + '/' + (pkgObj.main || 'main') |
.replace(currDirRegExp, '') |
.replace(jsSuffixRegExp, ''); |
}); |
} |
|
//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) { |
//If module already has init called, since it is too |
//late to modify them, and ignore unnormalized ones |
//since they are transient. |
if (!mod.inited && !mod.map.unnormalized) { |
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 (value) { |
function fn() { |
var ret; |
if (value.init) { |
ret = value.init.apply(global, arguments); |
} |
return ret || (value.exports && getGlobal(value.exports)); |
} |
return fn; |
}, |
|
makeRequire: function (relMap, options) { |
options = options || {}; |
|
function localRequire(deps, callback, errback) { |
var id, map, requireMod; |
|
if (options.enableBuildCallback && callback && isFunction(callback)) { |
callback.__requireJsBuild = true; |
} |
|
if (typeof deps === 'string') { |
if (isFunction(callback)) { |
//Invalid call |
return onError(makeError('requireargs', 'Invalid require call'), errback); |
} |
|
//If require|exports|module are requested, get the |
//value for them from the special handlers. Caveat: |
//this only works while module is being defined. |
if (relMap && hasProp(handlers, deps)) { |
return handlers[deps](registry[relMap.id]); |
} |
|
//Synchronous access to one module. If require.get is |
//available (as in the Node adapter), prefer that. |
if (req.get) { |
return req.get(context, deps, relMap, localRequire); |
} |
|
//Normalize module name, if it contains . or .. |
map = makeModuleMap(deps, 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 + |
(relMap ? '' : '. Use require([])'))); |
} |
return defined[id]; |
} |
|
//Grab defines waiting in the global queue. |
intakeDefines(); |
|
//Mark all the dependencies as needing to be loaded. |
context.nextTick(function () { |
//Some defines could have been added since the |
//require call, collect them. |
intakeDefines(); |
|
requireMod = getModule(makeModuleMap(null, relMap)); |
|
//Store if map config should be applied to this require |
//call for dependencies. |
requireMod.skipMap = options.skipMap; |
|
requireMod.init(deps, callback, errback, { |
enabled: true |
}); |
|
checkLoaded(); |
}); |
|
return localRequire; |
} |
|
mixin(localRequire, { |
isBrowser: isBrowser, |
|
/** |
* 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) { |
var ext, |
index = moduleNamePlusExt.lastIndexOf('.'), |
segment = moduleNamePlusExt.split('/')[0], |
isRelative = segment === '.' || segment === '..'; |
|
//Have a file extension alias, and it is not the |
//dots from a relative path. |
if (index !== -1 && (!isRelative || index > 1)) { |
ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length); |
moduleNamePlusExt = moduleNamePlusExt.substring(0, index); |
} |
|
return context.nameToUrl(normalize(moduleNamePlusExt, |
relMap && relMap.id, true), ext, true); |
}, |
|
defined: function (id) { |
return hasProp(defined, makeModuleMap(id, relMap, false, true).id); |
}, |
|
specified: function (id) { |
id = makeModuleMap(id, relMap, false, true).id; |
return hasProp(defined, id) || hasProp(registry, id); |
} |
}); |
|
//Only allow undef on top level require calls |
if (!relMap) { |
localRequire.undef = function (id) { |
//Bind any waiting define() calls to this context, |
//fix for #408 |
takeGlobalQueue(); |
|
var map = makeModuleMap(id, relMap, true), |
mod = getOwn(registry, id); |
|
removeScript(id); |
|
delete defined[id]; |
delete urlFetched[map.url]; |
delete undefEvents[id]; |
|
//Clean queued defines too. Go backwards |
//in array so that the splices do not |
//mess up the iteration. |
eachReverse(defQueue, function(args, i) { |
if(args[0] === id) { |
defQueue.splice(i, 1); |
} |
}); |
|
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; |
} |
|
cleanRegistry(id); |
} |
}; |
} |
|
return localRequire; |
}, |
|
/** |
* Called to enable a module if it is still in the registry |
* awaiting enablement. A second arg, parent, the parent module, |
* is passed in for context, when this method is overridden by |
* the optimizer. Not shown here to keep code compact. |
*/ |
enable: function (depMap) { |
var mod = getOwn(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 found, args, mod, |
shim = getOwn(config.shim, moduleName) || {}, |
shExports = shim.exports; |
|
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 = getOwn(registry, moduleName); |
|
if (!found && !hasProp(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.exportsFn]); |
} |
} |
|
checkLoaded(); |
}, |
|
/** |
* 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, skipExt) { |
var paths, syms, i, parentModule, url, |
parentPath, bundleId, |
pkgMain = getOwn(config.pkgs, moduleName); |
|
if (pkgMain) { |
moduleName = pkgMain; |
} |
|
bundleId = getOwn(bundlesMap, moduleName); |
|
if (bundleId) { |
return context.nameToUrl(bundleId, ext, skipExt); |
} |
|
//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; |
|
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('/'); |
|
parentPath = getOwn(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; |
} |
} |
|
//Join the path parts together, then figure out if baseUrl is needed. |
url = syms.join('/'); |
url += (ext || (/^data\:|\?/.test(url) || skipExt ? '' : '.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 callback 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 for: ' + data.id, evt, [data.id])); |
} |
} |
}; |
|
context.require = context.makeRequire(); |
return context; |
} |
|
/** |
* Main entry point. |
* |
* If the only argument to require is a string, then the module that |
* is represented by that string is fetched for the appropriate context. |
* |
* If the first argument is an array, then it will be treated as an array |
* of dependency string names to fetch. An optional function callback can |
* be specified to execute when all of those dependencies are available. |
* |
* Make a local req variable to help Caja compliance (it assumes things |
* on a require that are not standardized), and to give a short |
* name for minification/local scope use. |
*/ |
req = requirejs = function (deps, callback, errback, optional) { |
|
//Find the right context, use default |
var context, config, |
contextName = defContextName; |
|
// 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 = getOwn(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); |
}; |
|
/** |
* Execute something after the current tick |
* of the event loop. Override for other envs |
* that have a better solution than setTimeout. |
* @param {Function} fn function to execute later. |
*/ |
req.nextTick = typeof setTimeout !== 'undefined' ? function (fn) { |
setTimeout(fn, 4); |
} : function (fn) { fn(); }; |
|
/** |
* 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. |
each([ |
'toUrl', |
'undef', |
'defined', |
'specified' |
], function (prop) { |
//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. |
req[prop] = function () { |
var ctx = contexts[defContextName]; |
return ctx.require[prop].apply(ctx, arguments); |
}; |
}); |
|
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 = defaultOnError; |
|
/** |
* Creates the node for the load command. Only used in browser envs. |
*/ |
req.createNode = function (config, moduleName, url) { |
var 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; |
return node; |
}; |
|
/** |
* 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 = req.createNode(config, moduleName, url); |
|
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 addEventListener |
//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) { |
try { |
//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); |
} catch (e) { |
context.onError(makeError('importscripts', |
'importScripts failed for ' + |
moduleName + ' at ' + url, |
e, |
[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 && !cfg.skipDataMain) { |
//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) { |
//Preserve dataMain in case it is a path (i.e. contains '?') |
mainScript = 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 = mainScript.split('/'); |
mainScript = src.pop(); |
subPath = src.length ? src.join('/') + '/' : './'; |
|
cfg.baseUrl = subPath; |
} |
|
//Strip off any trailing .js since mainScript is now |
//like a module name. |
mainScript = mainScript.replace(jsSuffixRegExp, ''); |
|
//If mainScript is still a path, fall back to dataMain |
if (req.jsExtRegExp.test(mainScript)) { |
mainScript = dataMain; |
} |
|
//Put the data-main script in the files to load. |
cfg.deps = cfg.deps ? cfg.deps.concat(mainScript) : [mainScript]; |
|
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 modules |
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 = null; |
} |
|
//If no name, and callback is a function, then figure out if it a |
//CommonJS thing with dependencies. |
if (!deps && isFunction(callback)) { |
deps = []; |
//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)); |