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/** vim: et:ts=4:sw=4:sts=4 |
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* @license RequireJS 2.1.8 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved. |
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* Available via the MIT or new BSD license. |
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* see: http://github.com/jrburke/requirejs for details |
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*/ |
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//Not using strict: uneven strict support in browsers, #392, and causes |
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//problems with requirejs.exec()/transpiler plugins that may not be strict. |
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/*jslint regexp: true, nomen: true, sloppy: true */ |
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/*global window, navigator, document, importScripts, setTimeout, opera */ |
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|
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var requirejs, require, define; |
12 |
(function (global) { |
13 |
var req, s, head, baseElement, dataMain, src, |
14 |
interactiveScript, currentlyAddingScript, mainScript, subPath, |
15 |
version = '2.1.8', |
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commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg, |
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cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g, |
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jsSuffixRegExp = /\.js$/, |
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currDirRegExp = /^\.\//, |
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op = Object.prototype, |
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ostring = op.toString, |
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hasOwn = op.hasOwnProperty, |
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ap = Array.prototype, |
24 |
apsp = ap.splice, |
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isBrowser = !!(typeof window !== 'undefined' && navigator && window.document), |
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isWebWorker = !isBrowser && typeof importScripts !== 'undefined', |
27 |
//PS3 indicates loaded and complete, but need to wait for complete |
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//specifically. Sequence is 'loading', 'loaded', execution, |
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// then 'complete'. The UA check is unfortunate, but not sure how |
30 |
//to feature test w/o causing perf issues. |
31 |
readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ? |
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/^complete$/ : /^(complete|loaded)$/, |
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defContextName = '_', |
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//Oh the tragedy, detecting opera. See the usage of isOpera for reason. |
35 |
isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]', |
36 |
contexts = {}, |
37 |
cfg = {}, |
38 |
globalDefQueue = [], |
39 |
useInteractive = false; |
40 |
|
41 |
function isFunction(it) { |
42 |
return ostring.call(it) === '[object Function]'; |
43 |
} |
44 |
|
45 |
function isArray(it) { |
46 |
return ostring.call(it) === '[object Array]'; |
47 |
} |
48 |
|
49 |
/** |
50 |
* Helper function for iterating over an array. If the func returns |
51 |
* a true value, it will break out of the loop. |
52 |
*/ |
53 |
function each(ary, func) { |
54 |
if (ary) { |
55 |
var i; |
56 |
for (i = 0; i < ary.length; i += 1) { |
57 |
if (ary[i] && func(ary[i], i, ary)) { |
58 |
break; |
59 |
} |
60 |
} |
61 |
} |
62 |
} |
63 |
|
64 |
/** |
65 |
* Helper function for iterating over an array backwards. If the func |
66 |
* returns a true value, it will break out of the loop. |
67 |
*/ |
68 |
function eachReverse(ary, func) { |
69 |
if (ary) { |
70 |
var i; |
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for (i = ary.length - 1; i > -1; i -= 1) { |
72 |
if (ary[i] && func(ary[i], i, ary)) { |
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break; |
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} |
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} |
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} |
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} |
78 |
|
79 |
function hasProp(obj, prop) { |
80 |
return hasOwn.call(obj, prop); |
81 |
} |
82 |
|
83 |
function getOwn(obj, prop) { |
84 |
return hasProp(obj, prop) && obj[prop]; |
85 |
} |
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|
87 |
/** |
88 |
* Cycles over properties in an object and calls a function for each |
89 |
* property value. If the function returns a truthy value, then the |
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* iteration is stopped. |
91 |
*/ |
92 |
function eachProp(obj, func) { |
93 |
var prop; |
94 |
for (prop in obj) { |
95 |
if (hasProp(obj, prop)) { |
96 |
if (func(obj[prop], prop)) { |
97 |
break; |
98 |
} |
99 |
} |
100 |
} |
101 |
} |
102 |
|
103 |
/** |
104 |
* Simple function to mix in properties from source into target, |
105 |
* but only if target does not already have a property of the same name. |
106 |
*/ |
107 |
function mixin(target, source, force, deepStringMixin) { |
108 |
if (source) { |
109 |
eachProp(source, function (value, prop) { |
110 |
if (force || !hasProp(target, prop)) { |
111 |
if (deepStringMixin && typeof value !== 'string') { |
112 |
if (!target[prop]) { |
113 |
target[prop] = {}; |
114 |
} |
115 |
mixin(target[prop], value, force, deepStringMixin); |
116 |
} else { |
117 |
target[prop] = value; |
118 |
} |
119 |
} |
120 |
}); |
121 |
} |
122 |
return target; |
123 |
} |
124 |
|
125 |
//Similar to Function.prototype.bind, but the 'this' object is specified |
126 |
//first, since it is easier to read/figure out what 'this' will be. |
127 |
function bind(obj, fn) { |
128 |
return function () { |
129 |
return fn.apply(obj, arguments); |
130 |
}; |
131 |
} |
132 |
|
133 |
function scripts() { |
134 |
return document.getElementsByTagName('script'); |
135 |
} |
136 |
|
137 |
function defaultOnError(err) { |
138 |
throw err; |
139 |
} |
140 |
|
141 |
//Allow getting a global that expressed in |
142 |
//dot notation, like 'a.b.c'. |
143 |
function getGlobal(value) { |
144 |
if (!value) { |
145 |
return value; |
146 |
} |
147 |
var g = global; |
148 |
each(value.split('.'), function (part) { |
149 |
g = g[part]; |
150 |
}); |
151 |
return g; |
152 |
} |
153 |
|
154 |
/** |
155 |
* Constructs an error with a pointer to an URL with more information. |
156 |
* @param {String} id the error ID that maps to an ID on a web page. |
157 |
* @param {String} message human readable error. |
158 |
* @param {Error} [err] the original error, if there is one. |
159 |
* |
160 |
* @returns {Error} |
161 |
*/ |
162 |
function makeError(id, msg, err, requireModules) { |
163 |
var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id); |
164 |
e.requireType = id; |
165 |
e.requireModules = requireModules; |
166 |
if (err) { |
167 |
e.originalError = err; |
168 |
} |
169 |
return e; |
170 |
} |
171 |
|
172 |
if (typeof define !== 'undefined') { |
173 |
//If a define is already in play via another AMD loader, |
174 |
//do not overwrite. |
175 |
return; |
176 |
} |
177 |
|
178 |
if (typeof requirejs !== 'undefined') { |
179 |
if (isFunction(requirejs)) { |
180 |
//Do not overwrite and existing requirejs instance. |
181 |
return; |
182 |
} |
183 |
cfg = requirejs; |
184 |
requirejs = undefined; |
185 |
} |
186 |
|
187 |
//Allow for a require config object |
188 |
if (typeof require !== 'undefined' && !isFunction(require)) { |
189 |
//assume it is a config object. |
190 |
cfg = require; |
191 |
require = undefined; |
192 |
} |
193 |
|
194 |
function newContext(contextName) { |
195 |
var inCheckLoaded, Module, context, handlers, |
196 |
checkLoadedTimeoutId, |
197 |
config = { |
198 |
//Defaults. Do not set a default for map |
199 |
//config to speed up normalize(), which |
200 |
//will run faster if there is no default. |
201 |
waitSeconds: 7, |
202 |
baseUrl: './', |
203 |
paths: {}, |
204 |
pkgs: {}, |
205 |
shim: {}, |
206 |
config: {} |
207 |
}, |
208 |
registry = {}, |
209 |
//registry of just enabled modules, to speed |
210 |
//cycle breaking code when lots of modules |
211 |
//are registered, but not activated. |
212 |
enabledRegistry = {}, |
213 |
undefEvents = {}, |
214 |
defQueue = [], |
215 |
defined = {}, |
216 |
urlFetched = {}, |
217 |
requireCounter = 1, |
218 |
unnormalizedCounter = 1; |
219 |
|
220 |
/** |
221 |
* Trims the . and .. from an array of path segments. |
222 |
* It will keep a leading path segment if a .. will become |
223 |
* the first path segment, to help with module name lookups, |
224 |
* which act like paths, but can be remapped. But the end result, |
225 |
* all paths that use this function should look normalized. |
226 |
* NOTE: this method MODIFIES the input array. |
227 |
* @param {Array} ary the array of path segments. |
228 |
*/ |
229 |
function trimDots(ary) { |
230 |
var i, part; |
231 |
for (i = 0; ary[i]; i += 1) { |
232 |
part = ary[i]; |
233 |
if (part === '.') { |
234 |
ary.splice(i, 1); |
235 |
i -= 1; |
236 |
} else if (part === '..') { |
237 |
if (i === 1 && (ary[2] === '..' || ary[0] === '..')) { |
238 |
//End of the line. Keep at least one non-dot |
239 |
//path segment at the front so it can be mapped |
240 |
//correctly to disk. Otherwise, there is likely |
241 |
//no path mapping for a path starting with '..'. |
242 |
//This can still fail, but catches the most reasonable |
243 |
//uses of .. |
244 |
break; |
245 |
} else if (i > 0) { |
246 |
ary.splice(i - 1, 2); |
247 |
i -= 2; |
248 |
} |
249 |
} |
250 |
} |
251 |
} |
252 |
|
253 |
/** |
254 |
* Given a relative module name, like ./something, normalize it to |
255 |
* a real name that can be mapped to a path. |
256 |
* @param {String} name the relative name |
257 |
* @param {String} baseName a real name that the name arg is relative |
258 |
* to. |
259 |
* @param {Boolean} applyMap apply the map config to the value. Should |
260 |
* only be done if this normalization is for a dependency ID. |
261 |
* @returns {String} normalized name |
262 |
*/ |
263 |
function normalize(name, baseName, applyMap) { |
264 |
var pkgName, pkgConfig, mapValue, nameParts, i, j, nameSegment, |
265 |
foundMap, foundI, foundStarMap, starI, |
266 |
baseParts = baseName && baseName.split('/'), |
267 |
normalizedBaseParts = baseParts, |
268 |
map = config.map, |
269 |
starMap = map && map['*']; |
270 |
|
271 |
//Adjust any relative paths. |
272 |
if (name && name.charAt(0) === '.') { |
273 |
//If have a base name, try to normalize against it, |
274 |
//otherwise, assume it is a top-level require that will |
275 |
//be relative to baseUrl in the end. |
276 |
if (baseName) { |
277 |
if (getOwn(config.pkgs, baseName)) { |
278 |
//If the baseName is a package name, then just treat it as one |
279 |
//name to concat the name with. |
280 |
normalizedBaseParts = baseParts = [baseName]; |
281 |
} else { |
282 |
//Convert baseName to array, and lop off the last part, |
283 |
//so that . matches that 'directory' and not name of the baseName's |
284 |
//module. For instance, baseName of 'one/two/three', maps to |
285 |
//'one/two/three.js', but we want the directory, 'one/two' for |
286 |
//this normalization. |
287 |
normalizedBaseParts = baseParts.slice(0, baseParts.length - 1); |
288 |
} |
289 |
|
290 |
name = normalizedBaseParts.concat(name.split('/')); |
291 |
trimDots(name); |
292 |
|
293 |
//Some use of packages may use a . path to reference the |
294 |
//'main' module name, so normalize for that. |
295 |
pkgConfig = getOwn(config.pkgs, (pkgName = name[0])); |
296 |
name = name.join('/'); |
297 |
if (pkgConfig && name === pkgName + '/' + pkgConfig.main) { |
298 |
name = pkgName; |
299 |
} |
300 |
} else if (name.indexOf('./') === 0) { |
301 |
// No baseName, so this is ID is resolved relative |
302 |
// to baseUrl, pull off the leading dot. |
303 |
name = name.substring(2); |
304 |
} |
305 |
} |
306 |
|
307 |
//Apply map config if available. |
308 |
if (applyMap && map && (baseParts || starMap)) { |
309 |
nameParts = name.split('/'); |
310 |
|
311 |
for (i = nameParts.length; i > 0; i -= 1) { |
312 |
nameSegment = nameParts.slice(0, i).join('/'); |
313 |
|
314 |
if (baseParts) { |
315 |
//Find the longest baseName segment match in the config. |
316 |
//So, do joins on the biggest to smallest lengths of baseParts. |
317 |
for (j = baseParts.length; j > 0; j -= 1) { |
318 |
mapValue = getOwn(map, baseParts.slice(0, j).join('/')); |
319 |
|
320 |
//baseName segment has config, find if it has one for |
321 |
//this name. |
322 |
if (mapValue) { |
323 |
mapValue = getOwn(mapValue, nameSegment); |
324 |
if (mapValue) { |
325 |
//Match, update name to the new value. |
326 |
foundMap = mapValue; |
327 |
foundI = i; |
328 |
break; |
329 |
} |
330 |
} |
331 |
} |
332 |
} |
333 |
|
334 |
if (foundMap) { |
335 |
break; |
336 |
} |
337 |
|
338 |
//Check for a star map match, but just hold on to it, |
339 |
//if there is a shorter segment match later in a matching |
340 |
//config, then favor over this star map. |
341 |
if (!foundStarMap && starMap && getOwn(starMap, nameSegment)) { |
342 |
foundStarMap = getOwn(starMap, nameSegment); |
343 |
starI = i; |
344 |
} |
345 |
} |
346 |
|
347 |
if (!foundMap && foundStarMap) { |
348 |
foundMap = foundStarMap; |
349 |
foundI = starI; |
350 |
} |
351 |
|
352 |
if (foundMap) { |
353 |
nameParts.splice(0, foundI, foundMap); |
354 |
name = nameParts.join('/'); |
355 |
} |
356 |
} |
357 |
|
358 |
return name; |
359 |
} |
360 |
|
361 |
function removeScript(name) { |
362 |
if (isBrowser) { |
363 |
each(scripts(), function (scriptNode) { |
364 |
if (scriptNode.getAttribute('data-requiremodule') === name && |
365 |
scriptNode.getAttribute('data-requirecontext') === context.contextName) { |
366 |
scriptNode.parentNode.removeChild(scriptNode); |
367 |
return true; |
368 |
} |
369 |
}); |
370 |
} |
371 |
} |
372 |
|
373 |
function hasPathFallback(id) { |
374 |
var pathConfig = getOwn(config.paths, id); |
375 |
if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) { |
376 |
removeScript(id); |
377 |
//Pop off the first array value, since it failed, and |
378 |
//retry |
379 |
pathConfig.shift(); |
380 |
context.require.undef(id); |
381 |
context.require([id]); |
382 |
return true; |
383 |
} |
384 |
} |
385 |
|
386 |
//Turns a plugin!resource to [plugin, resource] |
387 |
//with the plugin being undefined if the name |
388 |
//did not have a plugin prefix. |
389 |
function splitPrefix(name) { |
390 |
var prefix, |
391 |
index = name ? name.indexOf('!') : -1; |
392 |
if (index > -1) { |
393 |
prefix = name.substring(0, index); |
394 |
name = name.substring(index + 1, name.length); |
395 |
} |
396 |
return [prefix, name]; |
397 |
} |
398 |
|
399 |
/** |
400 |
* Creates a module mapping that includes plugin prefix, module |
401 |
* name, and path. If parentModuleMap is provided it will |
402 |
* also normalize the name via require.normalize() |
403 |
* |
404 |
* @param {String} name the module name |
405 |
* @param {String} [parentModuleMap] parent module map |
406 |
* for the module name, used to resolve relative names. |
407 |
* @param {Boolean} isNormalized: is the ID already normalized. |
408 |
* This is true if this call is done for a define() module ID. |
409 |
* @param {Boolean} applyMap: apply the map config to the ID. |
410 |
* Should only be true if this map is for a dependency. |
411 |
* |
412 |
* @returns {Object} |
413 |
*/ |
414 |
function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) { |
415 |
var url, pluginModule, suffix, nameParts, |
416 |
prefix = null, |
417 |
parentName = parentModuleMap ? parentModuleMap.name : null, |
418 |
originalName = name, |
419 |
isDefine = true, |
420 |
normalizedName = ''; |
421 |
|
422 |
//If no name, then it means it is a require call, generate an |
423 |
//internal name. |
424 |
if (!name) { |
425 |
isDefine = false; |
426 |
name = '_@r' + (requireCounter += 1); |
427 |
} |
428 |
|
429 |
nameParts = splitPrefix(name); |
430 |
prefix = nameParts[0]; |
431 |
name = nameParts[1]; |
432 |
|
433 |
if (prefix) { |
434 |
prefix = normalize(prefix, parentName, applyMap); |
435 |
pluginModule = getOwn(defined, prefix); |
436 |
} |
437 |
|
438 |
//Account for relative paths if there is a base name. |
439 |
if (name) { |
440 |
if (prefix) { |
441 |
if (pluginModule && pluginModule.normalize) { |
442 |
//Plugin is loaded, use its normalize method. |
443 |
normalizedName = pluginModule.normalize(name, function (name) { |
444 |
return normalize(name, parentName, applyMap); |
445 |
}); |
446 |
} else { |
447 |
normalizedName = normalize(name, parentName, applyMap); |
448 |
} |
449 |
} else { |
450 |
//A regular module. |
451 |
normalizedName = normalize(name, parentName, applyMap); |
452 |
|
453 |
//Normalized name may be a plugin ID due to map config |
454 |
//application in normalize. The map config values must |
455 |
//already be normalized, so do not need to redo that part. |
456 |
nameParts = splitPrefix(normalizedName); |
457 |
prefix = nameParts[0]; |
458 |
normalizedName = nameParts[1]; |
459 |
isNormalized = true; |
460 |
|
461 |
url = context.nameToUrl(normalizedName); |
462 |
} |
463 |
} |
464 |
|
465 |
//If the id is a plugin id that cannot be determined if it needs |
466 |
//normalization, stamp it with a unique ID so two matching relative |
467 |
//ids that may conflict can be separate. |
468 |
suffix = prefix && !pluginModule && !isNormalized ? |
469 |
'_unnormalized' + (unnormalizedCounter += 1) : |
470 |
''; |
471 |
|
472 |
return { |
473 |
prefix: prefix, |
474 |
name: normalizedName, |
475 |
parentMap: parentModuleMap, |
476 |
unnormalized: !!suffix, |
477 |
url: url, |
478 |
originalName: originalName, |
479 |
isDefine: isDefine, |
480 |
id: (prefix ? |
481 |
prefix + '!' + normalizedName : |
482 |
normalizedName) + suffix |
483 |
}; |
484 |
} |
485 |
|
486 |
function getModule(depMap) { |
487 |
var id = depMap.id, |
488 |
mod = getOwn(registry, id); |
489 |
|
490 |
if (!mod) { |
491 |
mod = registry[id] = new context.Module(depMap); |
492 |
} |
493 |
|
494 |
return mod; |
495 |
} |
496 |
|
497 |
function on(depMap, name, fn) { |
498 |
var id = depMap.id, |
499 |
mod = getOwn(registry, id); |
500 |
|
501 |
if (hasProp(defined, id) && |
502 |
(!mod || mod.defineEmitComplete)) { |
503 |
if (name === 'defined') { |
504 |
fn(defined[id]); |
505 |
} |
506 |
} else { |
507 |
mod = getModule(depMap); |
508 |
if (mod.error && name === 'error') { |
509 |
fn(mod.error); |
510 |
} else { |
511 |
mod.on(name, fn); |
512 |
} |
513 |
} |
514 |
} |
515 |
|
516 |
function onError(err, errback) { |
517 |
var ids = err.requireModules, |
518 |
notified = false; |
519 |
|
520 |
if (errback) { |
521 |
errback(err); |
522 |
} else { |
523 |
each(ids, function (id) { |
524 |
var mod = getOwn(registry, id); |
525 |
if (mod) { |
526 |
//Set error on module, so it skips timeout checks. |
527 |
mod.error = err; |
528 |
if (mod.events.error) { |
529 |
notified = true; |
530 |
mod.emit('error', err); |
531 |
} |
532 |
} |
533 |
}); |
534 |
|
535 |
if (!notified) { |
536 |
req.onError(err); |
537 |
} |
538 |
} |
539 |
} |
540 |
|
541 |
/** |
542 |
* Internal method to transfer globalQueue items to this context's |
543 |
* defQueue. |
544 |
*/ |
545 |
function takeGlobalQueue() { |
546 |
//Push all the globalDefQueue items into the context's defQueue |
547 |
if (globalDefQueue.length) { |
548 |
//Array splice in the values since the context code has a |
549 |
//local var ref to defQueue, so cannot just reassign the one |
550 |
//on context. |
551 |
apsp.apply(defQueue, |
552 |
[defQueue.length - 1, 0].concat(globalDefQueue)); |
553 |
globalDefQueue = []; |
554 |
} |
555 |
} |
556 |
|
557 |
handlers = { |
558 |
'require': function (mod) { |
559 |
if (mod.require) { |
560 |
return mod.require; |
561 |
} else { |
562 |
return (mod.require = context.makeRequire(mod.map)); |
563 |
} |
564 |
}, |
565 |
'exports': function (mod) { |
566 |
mod.usingExports = true; |
567 |
if (mod.map.isDefine) { |
568 |
if (mod.exports) { |
569 |
return mod.exports; |
570 |
} else { |
571 |
return (mod.exports = defined[mod.map.id] = {}); |
572 |
} |
573 |
} |
574 |
}, |
575 |
'module': function (mod) { |
576 |
if (mod.module) { |
577 |
return mod.module; |
578 |
} else { |
579 |
return (mod.module = { |
580 |
id: mod.map.id, |
581 |
uri: mod.map.url, |
582 |
config: function () { |
583 |
var c, |
584 |
pkg = getOwn(config.pkgs, mod.map.id); |
585 |
// For packages, only support config targeted |
586 |
// at the main module. |
587 |
c = pkg ? getOwn(config.config, mod.map.id + '/' + pkg.main) : |
588 |
getOwn(config.config, mod.map.id); |
589 |
return c || {}; |
590 |
}, |
591 |
exports: defined[mod.map.id] |
592 |
}); |
593 |
} |
594 |
} |
595 |
}; |
596 |
|
597 |
function cleanRegistry(id) { |
598 |
//Clean up machinery used for waiting modules. |
599 |
delete registry[id]; |
600 |
delete enabledRegistry[id]; |
601 |
} |
602 |
|
603 |
function breakCycle(mod, traced, processed) { |
604 |
var id = mod.map.id; |
605 |
|
606 |
if (mod.error) { |
607 |
mod.emit('error', mod.error); |
608 |
} else { |
609 |
traced[id] = true; |
610 |
each(mod.depMaps, function (depMap, i) { |
611 |
var depId = depMap.id, |
612 |
dep = getOwn(registry, depId); |
613 |
|
614 |
//Only force things that have not completed |
615 |
//being defined, so still in the registry, |
616 |
//and only if it has not been matched up |
617 |
//in the module already. |
618 |
if (dep && !mod.depMatched[i] && !processed[depId]) { |
619 |
if (getOwn(traced, depId)) { |
620 |
mod.defineDep(i, defined[depId]); |
621 |
mod.check(); //pass false? |
622 |
} else { |
623 |
breakCycle(dep, traced, processed); |
624 |
} |
625 |
} |
626 |
}); |
627 |
processed[id] = true; |
628 |
} |
629 |
} |
630 |
|
631 |
function checkLoaded() { |
632 |
var map, modId, err, usingPathFallback, |
633 |
waitInterval = config.waitSeconds * 1000, |
634 |
//It is possible to disable the wait interval by using waitSeconds of 0. |
635 |
expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(), |
636 |
noLoads = [], |
637 |
reqCalls = [], |
638 |
stillLoading = false, |
639 |
needCycleCheck = true; |
640 |
|
641 |
//Do not bother if this call was a result of a cycle break. |
642 |
if (inCheckLoaded) { |
643 |
return; |
644 |
} |
645 |
|
646 |
inCheckLoaded = true; |
647 |
|
648 |
//Figure out the state of all the modules. |
649 |
eachProp(enabledRegistry, function (mod) { |
650 |
map = mod.map; |
651 |
modId = map.id; |
652 |
|
653 |
//Skip things that are not enabled or in error state. |
654 |
if (!mod.enabled) { |
655 |
return; |
656 |
} |
657 |
|
658 |
if (!map.isDefine) { |
659 |
reqCalls.push(mod); |
660 |
} |
661 |
|
662 |
if (!mod.error) { |
663 |
//If the module should be executed, and it has not |
664 |
//been inited and time is up, remember it. |
665 |
if (!mod.inited && expired) { |
666 |
if (hasPathFallback(modId)) { |
667 |
usingPathFallback = true; |
668 |
stillLoading = true; |
669 |
} else { |
670 |
noLoads.push(modId); |
671 |
removeScript(modId); |
672 |
} |
673 |
} else if (!mod.inited && mod.fetched && map.isDefine) { |
674 |
stillLoading = true; |
675 |
if (!map.prefix) { |
676 |
//No reason to keep looking for unfinished |
677 |
//loading. If the only stillLoading is a |
678 |
//plugin resource though, keep going, |
679 |
//because it may be that a plugin resource |
680 |
//is waiting on a non-plugin cycle. |
681 |
return (needCycleCheck = false); |
682 |
} |
683 |
} |
684 |
} |
685 |
}); |
686 |
|
687 |
if (expired && noLoads.length) { |
688 |
//If wait time expired, throw error of unloaded modules. |
689 |
err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads); |
690 |
err.contextName = context.contextName; |
691 |
return onError(err); |
692 |
} |
693 |
|
694 |
//Not expired, check for a cycle. |
695 |
if (needCycleCheck) { |
696 |
each(reqCalls, function (mod) { |
697 |
breakCycle(mod, {}, {}); |
698 |
}); |
699 |
} |
700 |
|
701 |
//If still waiting on loads, and the waiting load is something |
702 |
//other than a plugin resource, or there are still outstanding |
703 |
//scripts, then just try back later. |
704 |
if ((!expired || usingPathFallback) && stillLoading) { |
705 |
//Something is still waiting to load. Wait for it, but only |
706 |
//if a timeout is not already in effect. |
707 |
if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) { |
708 |
checkLoadedTimeoutId = setTimeout(function () { |
709 |
checkLoadedTimeoutId = 0; |
710 |
checkLoaded(); |
711 |
}, 50); |
712 |
} |
713 |
} |
714 |
|
715 |
inCheckLoaded = false; |
716 |
} |
717 |
|
718 |
Module = function (map) { |
719 |
this.events = getOwn(undefEvents, map.id) || {}; |
720 |
this.map = map; |
721 |
this.shim = getOwn(config.shim, map.id); |
722 |
this.depExports = []; |
723 |
this.depMaps = []; |
724 |
this.depMatched = []; |
725 |
this.pluginMaps = {}; |
726 |
this.depCount = 0; |
727 |
|
728 |
/* this.exports this.factory |
729 |
this.depMaps = [], |
730 |
this.enabled, this.fetched |
731 |
*/ |
732 |
}; |
733 |
|
734 |
Module.prototype = { |
735 |
init: function (depMaps, factory, errback, options) { |
736 |
options = options || {}; |
737 |
|
738 |
//Do not do more inits if already done. Can happen if there |
739 |
//are multiple define calls for the same module. That is not |
740 |
//a normal, common case, but it is also not unexpected. |
741 |
if (this.inited) { |
742 |
return; |
743 |
} |
744 |
|
745 |
this.factory = factory; |
746 |
|
747 |
if (errback) { |
748 |
//Register for errors on this module. |
749 |
this.on('error', errback); |
750 |
} else if (this.events.error) { |
751 |
//If no errback already, but there are error listeners |
752 |
//on this module, set up an errback to pass to the deps. |
753 |
errback = bind(this, function (err) { |
754 |
this.emit('error', err); |
755 |
}); |
756 |
} |
757 |
|
758 |
//Do a copy of the dependency array, so that |
759 |
//source inputs are not modified. For example |
760 |
//"shim" deps are passed in here directly, and |
761 |
//doing a direct modification of the depMaps array |
762 |
//would affect that config. |
763 |
this.depMaps = depMaps && depMaps.slice(0); |
764 |
|
765 |
this.errback = errback; |
766 |
|
767 |
//Indicate this module has be initialized |
768 |
this.inited = true; |
769 |
|
770 |
this.ignore = options.ignore; |
771 |
|
772 |
//Could have option to init this module in enabled mode, |
773 |
//or could have been previously marked as enabled. However, |
774 |
//the dependencies are not known until init is called. So |
775 |
//if enabled previously, now trigger dependencies as enabled. |
776 |
if (options.enabled || this.enabled) { |
777 |
//Enable this module and dependencies. |
778 |
//Will call this.check() |
779 |
this.enable(); |
780 |
} else { |
781 |
this.check(); |
782 |
} |
783 |
}, |
784 |
|
785 |
defineDep: function (i, depExports) { |
786 |
//Because of cycles, defined callback for a given |
787 |
//export can be called more than once. |
788 |
if (!this.depMatched[i]) { |
789 |
this.depMatched[i] = true; |
790 |
this.depCount -= 1; |
791 |
this.depExports[i] = depExports; |
792 |
} |
793 |
}, |
794 |
|
795 |
fetch: function () { |
796 |
if (this.fetched) { |
797 |
return; |
798 |
} |
799 |
this.fetched = true; |
800 |
|
801 |
context.startTime = (new Date()).getTime(); |
802 |
|
803 |
var map = this.map; |
804 |
|
805 |
//If the manager is for a plugin managed resource, |
806 |
//ask the plugin to load it now. |
807 |
if (this.shim) { |
808 |
context.makeRequire(this.map, { |
809 |
enableBuildCallback: true |
810 |
})(this.shim.deps || [], bind(this, function () { |
811 |
return map.prefix ? this.callPlugin() : this.load(); |
812 |
})); |
813 |
} else { |
814 |
//Regular dependency. |
815 |
return map.prefix ? this.callPlugin() : this.load(); |
816 |
} |
817 |
}, |
818 |
|
819 |
load: function () { |
820 |
var url = this.map.url; |
821 |
|
822 |
//Regular dependency. |
823 |
if (!urlFetched[url]) { |
824 |
urlFetched[url] = true; |
825 |
context.load(this.map.id, url); |
826 |
} |
827 |
}, |
828 |
|
829 |
/** |
830 |
* Checks if the module is ready to define itself, and if so, |
831 |
* define it. |
832 |
*/ |
833 |
check: function () { |
834 |
if (!this.enabled || this.enabling) { |
835 |
return; |
836 |
} |
837 |
|
838 |
var err, cjsModule, |
839 |
id = this.map.id, |
840 |
depExports = this.depExports, |
841 |
exports = this.exports, |
842 |
factory = this.factory; |
843 |
|
844 |
if (!this.inited) { |
845 |
this.fetch(); |
846 |
} else if (this.error) { |
847 |
this.emit('error', this.error); |
848 |
} else if (!this.defining) { |
849 |
//The factory could trigger another require call |
850 |
//that would result in checking this module to |
851 |
//define itself again. If already in the process |
852 |
//of doing that, skip this work. |
853 |
this.defining = true; |
854 |
|
855 |
if (this.depCount < 1 && !this.defined) { |
856 |
if (isFunction(factory)) { |
857 |
//If there is an error listener, favor passing |
858 |
//to that instead of throwing an error. However, |
859 |
//only do it for define()'d modules. require |
860 |
//errbacks should not be called for failures in |
861 |
//their callbacks (#699). However if a global |
862 |
//onError is set, use that. |
863 |
if ((this.events.error && this.map.isDefine) || |
864 |
req.onError !== defaultOnError) { |
865 |
try { |
866 |
exports = context.execCb(id, factory, depExports, exports); |
867 |
} catch (e) { |
868 |
err = e; |
869 |
} |
870 |
} else { |
871 |
exports = context.execCb(id, factory, depExports, exports); |
872 |
} |
873 |
|
874 |
if (this.map.isDefine) { |
875 |
//If setting exports via 'module' is in play, |
876 |
//favor that over return value and exports. After that, |
877 |
//favor a non-undefined return value over exports use. |
878 |
cjsModule = this.module; |
879 |
if (cjsModule && |
880 |
cjsModule.exports !== undefined && |
881 |
//Make sure it is not already the exports value |
882 |
cjsModule.exports !== this.exports) { |
883 |
exports = cjsModule.exports; |
884 |
} else if (exports === undefined && this.usingExports) { |
885 |
//exports already set the defined value. |
886 |
exports = this.exports; |
887 |
} |
888 |
} |
889 |
|
890 |
if (err) { |
891 |
err.requireMap = this.map; |
892 |
err.requireModules = this.map.isDefine ? [this.map.id] : null; |
893 |
err.requireType = this.map.isDefine ? 'define' : 'require'; |
894 |
return onError((this.error = err)); |
895 |
} |
896 |
|
897 |
} else { |
898 |
//Just a literal value |
899 |
exports = factory; |
900 |
} |
901 |
|
902 |
this.exports = exports; |
903 |
|
904 |
if (this.map.isDefine && !this.ignore) { |
905 |
defined[id] = exports; |
906 |
|
907 |
if (req.onResourceLoad) { |
908 |
req.onResourceLoad(context, this.map, this.depMaps); |
909 |
} |
910 |
} |
911 |
|
912 |
//Clean up |
913 |
cleanRegistry(id); |
914 |
|
915 |
this.defined = true; |
916 |
} |
917 |
|
918 |
//Finished the define stage. Allow calling check again |
919 |
//to allow define notifications below in the case of a |
920 |
//cycle. |
921 |
this.defining = false; |
922 |
|
923 |
if (this.defined && !this.defineEmitted) { |
924 |
this.defineEmitted = true; |
925 |
this.emit('defined', this.exports); |
926 |
this.defineEmitComplete = true; |
927 |
} |
928 |
|
929 |
} |
930 |
}, |
931 |
|
932 |
callPlugin: function () { |
933 |
var map = this.map, |
934 |
id = map.id, |
935 |
//Map already normalized the prefix. |
936 |
pluginMap = makeModuleMap(map.prefix); |
937 |
|
938 |
//Mark this as a dependency for this plugin, so it |
939 |
//can be traced for cycles. |
940 |
this.depMaps.push(pluginMap); |
941 |
|
942 |
on(pluginMap, 'defined', bind(this, function (plugin) { |
943 |
var load, normalizedMap, normalizedMod, |
944 |
name = this.map.name, |
945 |
parentName = this.map.parentMap ? this.map.parentMap.name : null, |
946 |
localRequire = context.makeRequire(map.parentMap, { |
947 |
enableBuildCallback: true |
948 |
}); |
949 |
|
950 |
//If current map is not normalized, wait for that |
951 |
//normalized name to load instead of continuing. |
952 |
if (this.map.unnormalized) { |
953 |
//Normalize the ID if the plugin allows it. |
954 |
if (plugin.normalize) { |
955 |
name = plugin.normalize(name, function (name) { |
956 |
return normalize(name, parentName, true); |
957 |
}) || ''; |
958 |
} |
959 |
|
960 |
//prefix and name should already be normalized, no need |
961 |
//for applying map config again either. |
962 |
normalizedMap = makeModuleMap(map.prefix + '!' + name, |
963 |
this.map.parentMap); |
964 |
on(normalizedMap, |
965 |
'defined', bind(this, function (value) { |
966 |
this.init([], function () { return value; }, null, { |
967 |
enabled: true, |
968 |
ignore: true |
969 |
}); |
970 |
})); |
971 |
|
972 |
normalizedMod = getOwn(registry, normalizedMap.id); |
973 |
if (normalizedMod) { |
974 |
//Mark this as a dependency for this plugin, so it |
975 |
//can be traced for cycles. |
976 |
this.depMaps.push(normalizedMap); |
977 |
|
978 |
if (this.events.error) { |
979 |
normalizedMod.on('error', bind(this, function (err) { |
980 |
this.emit('error', err); |
981 |
})); |
982 |
} |
983 |
normalizedMod.enable(); |
984 |
} |
985 |
|
986 |
return; |
987 |
} |
988 |
|
989 |
load = bind(this, function (value) { |
990 |
this.init([], function () { return value; }, null, { |
991 |
enabled: true |
992 |
}); |
993 |
}); |
994 |
|
995 |
load.error = bind(this, function (err) { |
996 |
this.inited = true; |
997 |
this.error = err; |
998 |
err.requireModules = [id]; |
999 |
|
1000 |
//Remove temp unnormalized modules for this module, |
1001 |
//since they will never be resolved otherwise now. |
1002 |
eachProp(registry, function (mod) { |
1003 |
if (mod.map.id.indexOf(id + '_unnormalized') === 0) { |
1004 |
cleanRegistry(mod.map.id); |
1005 |
} |
1006 |
}); |
1007 |
|
1008 |
onError(err); |
1009 |
}); |
1010 |
|
1011 |
//Allow plugins to load other code without having to know the |
1012 |
//context or how to 'complete' the load. |
1013 |
load.fromText = bind(this, function (text, textAlt) { |
1014 |
/*jslint evil: true */ |
1015 |
var moduleName = map.name, |
1016 |
moduleMap = makeModuleMap(moduleName), |
1017 |
hasInteractive = useInteractive; |
1018 |
|
1019 |
//As of 2.1.0, support just passing the text, to reinforce |
1020 |
//fromText only being called once per resource. Still |
1021 |
//support old style of passing moduleName but discard |
1022 |
//that moduleName in favor of the internal ref. |
1023 |
if (textAlt) { |
1024 |
text = textAlt; |
1025 |
} |
1026 |
|
1027 |
//Turn off interactive script matching for IE for any define |
1028 |
//calls in the text, then turn it back on at the end. |
1029 |
if (hasInteractive) { |
1030 |
useInteractive = false; |
1031 |
} |
1032 |
|
1033 |
//Prime the system by creating a module instance for |
1034 |
//it. |
1035 |
getModule(moduleMap); |
1036 |
|
1037 |
//Transfer any config to this other module. |
1038 |
if (hasProp(config.config, id)) { |
1039 |
config.config[moduleName] = config.config[id]; |
1040 |
} |
1041 |
|
1042 |
try { |
1043 |
req.exec(text); |
1044 |
} catch (e) { |
1045 |
return onError(makeError('fromtexteval', |
1046 |
'fromText eval for ' + id + |
1047 |
' failed: ' + e, |
1048 |
e, |
1049 |
[id])); |
1050 |
} |
1051 |
|
1052 |
if (hasInteractive) { |
1053 |
useInteractive = true; |
1054 |
} |
1055 |
|
1056 |
//Mark this as a dependency for the plugin |
1057 |
//resource |
1058 |
this.depMaps.push(moduleMap); |
1059 |
|
1060 |
//Support anonymous modules. |
1061 |
context.completeLoad(moduleName); |
1062 |
|
1063 |
//Bind the value of that module to the value for this |
1064 |
//resource ID. |
1065 |
localRequire([moduleName], load); |
1066 |
}); |
1067 |
|
1068 |
//Use parentName here since the plugin's name is not reliable, |
1069 |
//could be some weird string with no path that actually wants to |
1070 |
//reference the parentName's path. |
1071 |
plugin.load(map.name, localRequire, load, config); |
1072 |
})); |
1073 |
|
1074 |
context.enable(pluginMap, this); |
1075 |
this.pluginMaps[pluginMap.id] = pluginMap; |
1076 |
}, |
1077 |
|
1078 |
enable: function () { |
1079 |
enabledRegistry[this.map.id] = this; |
1080 |
this.enabled = true; |
1081 |
|
1082 |
//Set flag mentioning that the module is enabling, |
1083 |
//so that immediate calls to the defined callbacks |
1084 |
//for dependencies do not trigger inadvertent load |
1085 |
//with the depCount still being zero. |
1086 |
this.enabling = true; |
1087 |
|
1088 |
//Enable each dependency |
1089 |
each(this.depMaps, bind(this, function (depMap, i) { |
1090 |
var id, mod, handler; |
1091 |
|
1092 |
if (typeof depMap === 'string') { |
1093 |
//Dependency needs to be converted to a depMap |
1094 |
//and wired up to this module. |
1095 |
depMap = makeModuleMap(depMap, |
1096 |
(this.map.isDefine ? this.map : this.map.parentMap), |
1097 |
false, |
1098 |
!this.skipMap); |
1099 |
this.depMaps[i] = depMap; |
1100 |
|
1101 |
handler = getOwn(handlers, depMap.id); |
1102 |
|
1103 |
if (handler) { |
1104 |
this.depExports[i] = handler(this); |
1105 |
return; |
1106 |
} |
1107 |
|
1108 |
this.depCount += 1; |
1109 |
|
1110 |
on(depMap, 'defined', bind(this, function (depExports) { |
1111 |
this.defineDep(i, depExports); |
1112 |
this.check(); |
1113 |
})); |
1114 |
|
1115 |
if (this.errback) { |
1116 |
on(depMap, 'error', bind(this, this.errback)); |
1117 |
} |
1118 |
} |
1119 |
|
1120 |
id = depMap.id; |
1121 |
mod = registry[id]; |
1122 |
|
1123 |
//Skip special modules like 'require', 'exports', 'module' |
1124 |
//Also, don't call enable if it is already enabled, |
1125 |
//important in circular dependency cases. |
1126 |
if (!hasProp(handlers, id) && mod && !mod.enabled) { |
1127 |
context.enable(depMap, this); |
1128 |
} |
1129 |
})); |
1130 |
|
1131 |
//Enable each plugin that is used in |
1132 |
//a dependency |
1133 |
eachProp(this.pluginMaps, bind(this, function (pluginMap) { |
1134 |
var mod = getOwn(registry, pluginMap.id); |
1135 |
if (mod && !mod.enabled) { |
1136 |
context.enable(pluginMap, this); |
1137 |
} |
1138 |
})); |
1139 |
|
1140 |
this.enabling = false; |
1141 |
|
1142 |
this.check(); |
1143 |
}, |
1144 |
|
1145 |
on: function (name, cb) { |
1146 |
var cbs = this.events[name]; |
1147 |
if (!cbs) { |
1148 |
cbs = this.events[name] = []; |
1149 |
} |
1150 |
cbs.push(cb); |
1151 |
}, |
1152 |
|
1153 |
emit: function (name, evt) { |
1154 |
each(this.events[name], function (cb) { |
1155 |
cb(evt); |
1156 |
}); |
1157 |
if (name === 'error') { |
1158 |
//Now that the error handler was triggered, remove |
1159 |
//the listeners, since this broken Module instance |
1160 |
//can stay around for a while in the registry. |
1161 |
delete this.events[name]; |
1162 |
} |
1163 |
} |
1164 |
}; |
1165 |
|
1166 |
function callGetModule(args) { |
1167 |
//Skip modules already defined. |
1168 |
if (!hasProp(defined, args[0])) { |
1169 |
getModule(makeModuleMap(args[0], null, true)).init(args[1], args[2]); |
1170 |
} |
1171 |
} |
1172 |
|
1173 |
function removeListener(node, func, name, ieName) { |
1174 |
//Favor detachEvent because of IE9 |
1175 |
//issue, see attachEvent/addEventListener comment elsewhere |
1176 |
//in this file. |
1177 |
if (node.detachEvent && !isOpera) { |
1178 |
//Probably IE. If not it will throw an error, which will be |
1179 |
//useful to know. |
1180 |
if (ieName) { |
1181 |
node.detachEvent(ieName, func); |
1182 |
} |
1183 |
} else { |
1184 |
node.removeEventListener(name, func, false); |
1185 |
} |
1186 |
} |
1187 |
|
1188 |
/** |
1189 |
* Given an event from a script node, get the requirejs info from it, |
1190 |
* and then removes the event listeners on the node. |
1191 |
* @param {Event} evt |
1192 |
* @returns {Object} |
1193 |
*/ |
1194 |
function getScriptData(evt) { |
1195 |
//Using currentTarget instead of target for Firefox 2.0's sake. Not |
1196 |
//all old browsers will be supported, but this one was easy enough |
1197 |
//to support and still makes sense. |
1198 |
var node = evt.currentTarget || evt.srcElement; |
1199 |
|
1200 |
//Remove the listeners once here. |
1201 |
removeListener(node, context.onScriptLoad, 'load', 'onreadystatechange'); |
1202 |
removeListener(node, context.onScriptError, 'error'); |
1203 |
|
1204 |
return { |
1205 |
node: node, |
1206 |
id: node && node.getAttribute('data-requiremodule') |
1207 |
}; |
1208 |
} |
1209 |
|
1210 |
function intakeDefines() { |
1211 |
var args; |
1212 |
|
1213 |
//Any defined modules in the global queue, intake them now. |
1214 |
takeGlobalQueue(); |
1215 |
|
1216 |
//Make sure any remaining defQueue items get properly processed. |
1217 |
while (defQueue.length) { |
1218 |
args = defQueue.shift(); |
1219 |
if (args[0] === null) { |
1220 |
return onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + args[args.length - 1])); |
1221 |
} else { |
1222 |
//args are id, deps, factory. Should be normalized by the |
1223 |
//define() function. |
1224 |
callGetModule(args); |
1225 |
} |
1226 |
} |
1227 |
} |
1228 |
|
1229 |
context = { |
1230 |
config: config, |
1231 |
contextName: contextName, |
1232 |
registry: registry, |
1233 |
defined: defined, |
1234 |
urlFetched: urlFetched, |
1235 |
defQueue: defQueue, |
1236 |
Module: Module, |
1237 |
makeModuleMap: makeModuleMap, |
1238 |
nextTick: req.nextTick, |
1239 |
onError: onError, |
1240 |
|
1241 |
/** |
1242 |
* Set a configuration for the context. |
1243 |
* @param {Object} cfg config object to integrate. |
1244 |
*/ |
1245 |
configure: function (cfg) { |
1246 |
//Make sure the baseUrl ends in a slash. |
1247 |
if (cfg.baseUrl) { |
1248 |
if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== '/') { |
1249 |
cfg.baseUrl += '/'; |
1250 |
} |
1251 |
} |
1252 |
|
1253 |
//Save off the paths and packages since they require special processing, |
1254 |
//they are additive. |
1255 |
var pkgs = config.pkgs, |
1256 |
shim = config.shim, |
1257 |
objs = { |
1258 |
paths: true, |
1259 |
config: true, |
1260 |
map: true |
1261 |
}; |
1262 |
|
1263 |
eachProp(cfg, function (value, prop) { |
1264 |
if (objs[prop]) { |
1265 |
if (prop === 'map') { |
1266 |
if (!config.map) { |
1267 |
config.map = {}; |
1268 |
} |
1269 |
mixin(config[prop], value, true, true); |
1270 |
} else { |
1271 |
mixin(config[prop], value, true); |
1272 |
} |
1273 |
} else { |
1274 |
config[prop] = value; |
1275 |
} |
1276 |
}); |
1277 |
|
1278 |
//Merge shim |
1279 |
if (cfg.shim) { |
1280 |
eachProp(cfg.shim, function (value, id) { |
1281 |
//Normalize the structure |
1282 |
if (isArray(value)) { |
1283 |
value = { |
1284 |
deps: value |
1285 |
}; |
1286 |
} |
1287 |
if ((value.exports || value.init) && !value.exportsFn) { |
1288 |
value.exportsFn = context.makeShimExports(value); |
1289 |
} |
1290 |
shim[id] = value; |
1291 |
}); |
1292 |
config.shim = shim; |
1293 |
} |
1294 |
|
1295 |
//Adjust packages if necessary. |
1296 |
if (cfg.packages) { |
1297 |
each(cfg.packages, function (pkgObj) { |
1298 |
var location; |
1299 |
|
1300 |
pkgObj = typeof pkgObj === 'string' ? { name: pkgObj } : pkgObj; |
1301 |
location = pkgObj.location; |
1302 |
|
1303 |
//Create a brand new object on pkgs, since currentPackages can |
1304 |
//be passed in again, and config.pkgs is the internal transformed |
1305 |
//state for all package configs. |
1306 |
pkgs[pkgObj.name] = { |
1307 |
name: pkgObj.name, |
1308 |
location: location || pkgObj.name, |
1309 |
//Remove leading dot in main, so main paths are normalized, |
1310 |
//and remove any trailing .js, since different package |
1311 |
//envs have different conventions: some use a module name, |
1312 |
//some use a file name. |
1313 |
main: (pkgObj.main || 'main') |
1314 |
.replace(currDirRegExp, '') |
1315 |
.replace(jsSuffixRegExp, '') |
1316 |
}; |
1317 |
}); |
1318 |
|
1319 |
//Done with modifications, assing packages back to context config |
1320 |
config.pkgs = pkgs; |
1321 |
} |
1322 |
|
1323 |
//If there are any "waiting to execute" modules in the registry, |
1324 |
//update the maps for them, since their info, like URLs to load, |
1325 |
//may have changed. |
1326 |
eachProp(registry, function (mod, id) { |
1327 |
//If module already has init called, since it is too |
1328 |
//late to modify them, and ignore unnormalized ones |
1329 |
//since they are transient. |
1330 |
if (!mod.inited && !mod.map.unnormalized) { |
1331 |
mod.map = makeModuleMap(id); |
1332 |
} |
1333 |
}); |
1334 |
|
1335 |
//If a deps array or a config callback is specified, then call |
1336 |
//require with those args. This is useful when require is defined as a |
1337 |
//config object before require.js is loaded. |
1338 |
if (cfg.deps || cfg.callback) { |
1339 |
context.require(cfg.deps || [], cfg.callback); |
1340 |
} |
1341 |
}, |
1342 |
|
1343 |
makeShimExports: function (value) { |
1344 |
function fn() { |
1345 |
var ret; |
1346 |
if (value.init) { |
1347 |
ret = value.init.apply(global, arguments); |
1348 |
} |
1349 |
return ret || (value.exports && getGlobal(value.exports)); |
1350 |
} |
1351 |
return fn; |
1352 |
}, |
1353 |
|
1354 |
makeRequire: function (relMap, options) { |
1355 |
options = options || {}; |
1356 |
|
1357 |
function localRequire(deps, callback, errback) { |
1358 |
var id, map, requireMod; |
1359 |
|
1360 |
if (options.enableBuildCallback && callback && isFunction(callback)) { |
1361 |
callback.__requireJsBuild = true; |
1362 |
} |
1363 |
|
1364 |
if (typeof deps === 'string') { |
1365 |
if (isFunction(callback)) { |
1366 |
//Invalid call |
1367 |
return onError(makeError('requireargs', 'Invalid require call'), errback); |
1368 |
} |
1369 |
|
1370 |
//If require|exports|module are requested, get the |
1371 |
//value for them from the special handlers. Caveat: |
1372 |
//this only works while module is being defined. |
1373 |
if (relMap && hasProp(handlers, deps)) { |
1374 |
return handlers[deps](registry[relMap.id]); |
1375 |
} |
1376 |
|
1377 |
//Synchronous access to one module. If require.get is |
1378 |
//available (as in the Node adapter), prefer that. |
1379 |
if (req.get) { |
1380 |
return req.get(context, deps, relMap, localRequire); |
1381 |
} |
1382 |
|
1383 |
//Normalize module name, if it contains . or .. |
1384 |
map = makeModuleMap(deps, relMap, false, true); |
1385 |
id = map.id; |
1386 |
|
1387 |
if (!hasProp(defined, id)) { |
1388 |
return onError(makeError('notloaded', 'Module name "' + |
1389 |
id + |
1390 |
'" has not been loaded yet for context: ' + |
1391 |
contextName + |
1392 |
(relMap ? '' : '. Use require([])'))); |
1393 |
} |
1394 |
return defined[id]; |
1395 |
} |
1396 |
|
1397 |
//Grab defines waiting in the global queue. |
1398 |
intakeDefines(); |
1399 |
|
1400 |
//Mark all the dependencies as needing to be loaded. |
1401 |
context.nextTick(function () { |
1402 |
//Some defines could have been added since the |
1403 |
//require call, collect them. |
1404 |
intakeDefines(); |
1405 |
|
1406 |
requireMod = getModule(makeModuleMap(null, relMap)); |
1407 |
|
1408 |
//Store if map config should be applied to this require |
1409 |
//call for dependencies. |
1410 |
requireMod.skipMap = options.skipMap; |
1411 |
|
1412 |
requireMod.init(deps, callback, errback, { |
1413 |
enabled: true |
1414 |
}); |
1415 |
|
1416 |
checkLoaded(); |
1417 |
}); |
1418 |
|
1419 |
return localRequire; |
1420 |
} |
1421 |
|
1422 |
mixin(localRequire, { |
1423 |
isBrowser: isBrowser, |
1424 |
|
1425 |
/** |
1426 |
* Converts a module name + .extension into an URL path. |
1427 |
* *Requires* the use of a module name. It does not support using |
1428 |
* plain URLs like nameToUrl. |
1429 |
*/ |
1430 |
toUrl: function (moduleNamePlusExt) { |
1431 |
var ext, |
1432 |
index = moduleNamePlusExt.lastIndexOf('.'), |
1433 |
segment = moduleNamePlusExt.split('/')[0], |
1434 |
isRelative = segment === '.' || segment === '..'; |
1435 |
|
1436 |
//Have a file extension alias, and it is not the |
1437 |
//dots from a relative path. |
1438 |
if (index !== -1 && (!isRelative || index > 1)) { |
1439 |
ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length); |
1440 |
moduleNamePlusExt = moduleNamePlusExt.substring(0, index); |
1441 |
} |
1442 |
|
1443 |
return context.nameToUrl(normalize(moduleNamePlusExt, |
1444 |
relMap && relMap.id, true), ext, true); |
1445 |
}, |
1446 |
|
1447 |
defined: function (id) { |
1448 |
return hasProp(defined, makeModuleMap(id, relMap, false, true).id); |
1449 |
}, |
1450 |
|
1451 |
specified: function (id) { |
1452 |
id = makeModuleMap(id, relMap, false, true).id; |
1453 |
return hasProp(defined, id) || hasProp(registry, id); |
1454 |
} |
1455 |
}); |
1456 |
|
1457 |
//Only allow undef on top level require calls |
1458 |
if (!relMap) { |
1459 |
localRequire.undef = function (id) { |
1460 |
//Bind any waiting define() calls to this context, |
1461 |
//fix for #408 |
1462 |
takeGlobalQueue(); |
1463 |
|
1464 |
var map = makeModuleMap(id, relMap, true), |
1465 |
mod = getOwn(registry, id); |
1466 |
|
1467 |
delete defined[id]; |
1468 |
delete urlFetched[map.url]; |
1469 |
delete undefEvents[id]; |
1470 |
|
1471 |
if (mod) { |
1472 |
//Hold on to listeners in case the |
1473 |
//module will be attempted to be reloaded |
1474 |
//using a different config. |
1475 |
if (mod.events.defined) { |
1476 |
undefEvents[id] = mod.events; |
1477 |
} |
1478 |
|
1479 |
cleanRegistry(id); |
1480 |
} |
1481 |
}; |
1482 |
} |
1483 |
|
1484 |
return localRequire; |
1485 |
}, |
1486 |
|
1487 |
/** |
1488 |
* Called to enable a module if it is still in the registry |
1489 |
* awaiting enablement. A second arg, parent, the parent module, |
1490 |
* is passed in for context, when this method is overriden by |
1491 |
* the optimizer. Not shown here to keep code compact. |
1492 |
*/ |
1493 |
enable: function (depMap) { |
1494 |
var mod = getOwn(registry, depMap.id); |
1495 |
if (mod) { |
1496 |
getModule(depMap).enable(); |
1497 |
} |
1498 |
}, |
1499 |
|
1500 |
/** |
1501 |
* Internal method used by environment adapters to complete a load event. |
1502 |
* A load event could be a script load or just a load pass from a synchronous |
1503 |
* load call. |
1504 |
* @param {String} moduleName the name of the module to potentially complete. |
1505 |
*/ |
1506 |
completeLoad: function (moduleName) { |
1507 |
var found, args, mod, |
1508 |
shim = getOwn(config.shim, moduleName) || {}, |
1509 |
shExports = shim.exports; |
1510 |
|
1511 |
takeGlobalQueue(); |
1512 |
|
1513 |
while (defQueue.length) { |
1514 |
args = defQueue.shift(); |
1515 |
if (args[0] === null) { |
1516 |
args[0] = moduleName; |
1517 |
//If already found an anonymous module and bound it |
1518 |
//to this name, then this is some other anon module |
1519 |
//waiting for its completeLoad to fire. |
1520 |
if (found) { |
1521 |
break; |
1522 |
} |
1523 |
found = true; |
1524 |
} else if (args[0] === moduleName) { |
1525 |
//Found matching define call for this script! |
1526 |
found = true; |
1527 |
} |
1528 |
|
1529 |
callGetModule(args); |
1530 |
} |
1531 |
|
1532 |
//Do this after the cycle of callGetModule in case the result |
1533 |
//of those calls/init calls changes the registry. |
1534 |
mod = getOwn(registry, moduleName); |
1535 |
|
1536 |
if (!found && !hasProp(defined, moduleName) && mod && !mod.inited) { |
1537 |
if (config.enforceDefine && (!shExports || !getGlobal(shExports))) { |
1538 |
if (hasPathFallback(moduleName)) { |
1539 |
return; |
1540 |
} else { |
1541 |
return onError(makeError('nodefine', |
1542 |
'No define call for ' + moduleName, |
1543 |
null, |
1544 |
[moduleName])); |
1545 |
} |
1546 |
} else { |
1547 |
//A script that does not call define(), so just simulate |
1548 |
//the call for it. |
1549 |
callGetModule([moduleName, (shim.deps || []), shim.exportsFn]); |
1550 |
} |
1551 |
} |
1552 |
|
1553 |
checkLoaded(); |
1554 |
}, |
1555 |
|
1556 |
/** |
1557 |
* Converts a module name to a file path. Supports cases where |
1558 |
* moduleName may actually be just an URL. |
1559 |
* Note that it **does not** call normalize on the moduleName, |
1560 |
* it is assumed to have already been normalized. This is an |
1561 |
* internal API, not a public one. Use toUrl for the public API. |
1562 |
*/ |
1563 |
nameToUrl: function (moduleName, ext, skipExt) { |
1564 |
var paths, pkgs, pkg, pkgPath, syms, i, parentModule, url, |
1565 |
parentPath; |
1566 |
|
1567 |
//If a colon is in the URL, it indicates a protocol is used and it is just |
1568 |
//an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?) |
1569 |
//or ends with .js, then assume the user meant to use an url and not a module id. |
1570 |
//The slash is important for protocol-less URLs as well as full paths. |
1571 |
if (req.jsExtRegExp.test(moduleName)) { |
1572 |
//Just a plain path, not module name lookup, so just return it. |
1573 |
//Add extension if it is included. This is a bit wonky, only non-.js things pass |
1574 |
//an extension, this method probably needs to be reworked. |
1575 |
url = moduleName + (ext || ''); |
1576 |
} else { |
1577 |
//A module that needs to be converted to a path. |
1578 |
paths = config.paths; |
1579 |
pkgs = config.pkgs; |
1580 |
|
1581 |
syms = moduleName.split('/'); |
1582 |
//For each module name segment, see if there is a path |
1583 |
//registered for it. Start with most specific name |
1584 |
//and work up from it. |
1585 |
for (i = syms.length; i > 0; i -= 1) { |
1586 |
parentModule = syms.slice(0, i).join('/'); |
1587 |
pkg = getOwn(pkgs, parentModule); |
1588 |
parentPath = getOwn(paths, parentModule); |
1589 |
if (parentPath) { |
1590 |
//If an array, it means there are a few choices, |
1591 |
//Choose the one that is desired |
1592 |
if (isArray(parentPath)) { |
1593 |
parentPath = parentPath[0]; |
1594 |
} |
1595 |
syms.splice(0, i, parentPath); |
1596 |
break; |
1597 |
} else if (pkg) { |
1598 |
//If module name is just the package name, then looking |
1599 |
//for the main module. |
1600 |
if (moduleName === pkg.name) { |
1601 |
pkgPath = pkg.location + '/' + pkg.main; |
1602 |
} else { |
1603 |
pkgPath = pkg.location; |
1604 |
} |
1605 |
syms.splice(0, i, pkgPath); |
1606 |
break; |
1607 |
} |
1608 |
} |
1609 |
|
1610 |
//Join the path parts together, then figure out if baseUrl is needed. |
1611 |
url = syms.join('/'); |
1612 |
url += (ext || (/\?/.test(url) || skipExt ? '' : '.js')); |
1613 |
url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url; |
1614 |
} |
1615 |
|
1616 |
return config.urlArgs ? url + |
1617 |
((url.indexOf('?') === -1 ? '?' : '&') + |
1618 |
config.urlArgs) : url; |
1619 |
}, |
1620 |
|
1621 |
//Delegates to req.load. Broken out as a separate function to |
1622 |
//allow overriding in the optimizer. |
1623 |
load: function (id, url) { |
1624 |
req.load(context, id, url); |
1625 |
}, |
1626 |
|
1627 |
/** |
1628 |
* Executes a module callback function. Broken out as a separate function |
1629 |
* solely to allow the build system to sequence the files in the built |
1630 |
* layer in the right sequence. |
1631 |
* |
1632 |
* @private |
1633 |
*/ |
1634 |
execCb: function (name, callback, args, exports) { |
1635 |
return callback.apply(exports, args); |
1636 |
}, |
1637 |
|
1638 |
/** |
1639 |
* callback for script loads, used to check status of loading. |
1640 |
* |
1641 |
* @param {Event} evt the event from the browser for the script |
1642 |
* that was loaded. |
1643 |
*/ |
1644 |
onScriptLoad: function (evt) { |
1645 |
//Using currentTarget instead of target for Firefox 2.0's sake. Not |
1646 |
//all old browsers will be supported, but this one was easy enough |
1647 |
//to support and still makes sense. |
1648 |
if (evt.type === 'load' || |
1649 |
(readyRegExp.test((evt.currentTarget || evt.srcElement).readyState))) { |
1650 |
//Reset interactive script so a script node is not held onto for |
1651 |
//to long. |
1652 |
interactiveScript = null; |
1653 |
|
1654 |
//Pull out the name of the module and the context. |
1655 |
var data = getScriptData(evt); |
1656 |
context.completeLoad(data.id); |
1657 |
} |
1658 |
}, |
1659 |
|
1660 |
/** |
1661 |
* Callback for script errors. |
1662 |
*/ |
1663 |
onScriptError: function (evt) { |
1664 |
var data = getScriptData(evt); |
1665 |
if (!hasPathFallback(data.id)) { |
1666 |
return onError(makeError('scripterror', 'Script error for: ' + data.id, evt, [data.id])); |
1667 |
} |
1668 |
} |
1669 |
}; |
1670 |
|
1671 |
context.require = context.makeRequire(); |
1672 |
return context; |
1673 |
} |
1674 |
|
1675 |
/** |
1676 |
* Main entry point. |
1677 |
* |
1678 |
* If the only argument to require is a string, then the module that |
1679 |
* is represented by that string is fetched for the appropriate context. |
1680 |
* |
1681 |
* If the first argument is an array, then it will be treated as an array |
1682 |
* of dependency string names to fetch. An optional function callback can |
1683 |
* be specified to execute when all of those dependencies are available. |
1684 |
* |
1685 |
* Make a local req variable to help Caja compliance (it assumes things |
1686 |
* on a require that are not standardized), and to give a short |
1687 |
* name for minification/local scope use. |
1688 |
*/ |
1689 |
req = requirejs = function (deps, callback, errback, optional) { |
1690 |
|
1691 |
//Find the right context, use default |
1692 |
var context, config, |
1693 |
contextName = defContextName; |
1694 |
|
1695 |
// Determine if have config object in the call. |
1696 |
if (!isArray(deps) && typeof deps !== 'string') { |
1697 |
// deps is a config object |
1698 |
config = deps; |
1699 |
if (isArray(callback)) { |
1700 |
// Adjust args if there are dependencies |
1701 |
deps = callback; |
1702 |
callback = errback; |
1703 |
errback = optional; |
1704 |
} else { |
1705 |
deps = []; |
1706 |
} |
1707 |
} |
1708 |
|
1709 |
if (config && config.context) { |
1710 |
contextName = config.context; |
1711 |
} |
1712 |
|
1713 |
context = getOwn(contexts, contextName); |
1714 |
if (!context) { |
1715 |
context = contexts[contextName] = req.s.newContext(contextName); |
1716 |
} |
1717 |
|
1718 |
if (config) { |
1719 |
context.configure(config); |
1720 |
} |
1721 |
|
1722 |
return context.require(deps, callback, errback); |
1723 |
}; |
1724 |
|
1725 |
/** |
1726 |
* Support require.config() to make it easier to cooperate with other |
1727 |
* AMD loaders on globally agreed names. |
1728 |
*/ |
1729 |
req.config = function (config) { |
1730 |
return req(config); |
1731 |
}; |
1732 |
|
1733 |
/** |
1734 |
* Execute something after the current tick |
1735 |
* of the event loop. Override for other envs |
1736 |
* that have a better solution than setTimeout. |
1737 |
* @param {Function} fn function to execute later. |
1738 |
*/ |
1739 |
req.nextTick = typeof setTimeout !== 'undefined' ? function (fn) { |
1740 |
setTimeout(fn, 4); |
1741 |
} : function (fn) { fn(); }; |
1742 |
|
1743 |
/** |
1744 |
* Export require as a global, but only if it does not already exist. |
1745 |
*/ |
1746 |
if (!require) { |
1747 |
require = req; |
1748 |
} |
1749 |
|
1750 |
req.version = version; |
1751 |
|
1752 |
//Used to filter out dependencies that are already paths. |
1753 |
req.jsExtRegExp = /^\/|:|\?|\.js$/; |
1754 |
req.isBrowser = isBrowser; |
1755 |
s = req.s = { |
1756 |
contexts: contexts, |
1757 |
newContext: newContext |
1758 |
}; |
1759 |
|
1760 |
//Create default context. |
1761 |
req({}); |
1762 |
|
1763 |
//Exports some context-sensitive methods on global require. |
1764 |
each([ |
1765 |
'toUrl', |
1766 |
'undef', |
1767 |
'defined', |
1768 |
'specified' |
1769 |
], function (prop) { |
1770 |
//Reference from contexts instead of early binding to default context, |
1771 |
//so that during builds, the latest instance of the default context |
1772 |
//with its config gets used. |
1773 |
req[prop] = function () { |
1774 |
var ctx = contexts[defContextName]; |
1775 |
return ctx.require[prop].apply(ctx, arguments); |
1776 |
}; |
1777 |
}); |
1778 |
|
1779 |
if (isBrowser) { |
1780 |
head = s.head = document.getElementsByTagName('head')[0]; |
1781 |
//If BASE tag is in play, using appendChild is a problem for IE6. |
1782 |
//When that browser dies, this can be removed. Details in this jQuery bug: |
1783 |
//http://dev.jquery.com/ticket/2709 |
1784 |
baseElement = document.getElementsByTagName('base')[0]; |
1785 |
if (baseElement) { |
1786 |
head = s.head = baseElement.parentNode; |
1787 |
} |
1788 |
} |
1789 |
|
1790 |
/** |
1791 |
* Any errors that require explicitly generates will be passed to this |
1792 |
* function. Intercept/override it if you want custom error handling. |
1793 |
* @param {Error} err the error object. |
1794 |
*/ |
1795 |
req.onError = defaultOnError; |
1796 |
|
1797 |
/** |
1798 |
* Creates the node for the load command. Only used in browser envs. |
1799 |
*/ |
1800 |
req.createNode = function (config, moduleName, url) { |
1801 |
var node = config.xhtml ? |
1802 |
document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') : |
1803 |
document.createElement('script'); |
1804 |
node.type = config.scriptType || 'text/javascript'; |
1805 |
node.charset = 'utf-8'; |
1806 |
node.async = true; |
1807 |
return node; |
1808 |
}; |
1809 |
|
1810 |
/** |
1811 |
* Does the request to load a module for the browser case. |
1812 |
* Make this a separate function to allow other environments |
1813 |
* to override it. |
1814 |
* |
1815 |
* @param {Object} context the require context to find state. |
1816 |
* @param {String} moduleName the name of the module. |
1817 |
* @param {Object} url the URL to the module. |
1818 |
*/ |
1819 |
req.load = function (context, moduleName, url) { |
1820 |
var config = (context && context.config) || {}, |
1821 |
node; |
1822 |
if (isBrowser) { |
1823 |
//In the browser so use a script tag |
1824 |
node = req.createNode(config, moduleName, url); |
1825 |
|
1826 |
node.setAttribute('data-requirecontext', context.contextName); |
1827 |
node.setAttribute('data-requiremodule', moduleName); |
1828 |
|
1829 |
//Set up load listener. Test attachEvent first because IE9 has |
1830 |
//a subtle issue in its addEventListener and script onload firings |
1831 |
//that do not match the behavior of all other browsers with |
1832 |
//addEventListener support, which fire the onload event for a |
1833 |
//script right after the script execution. See: |
1834 |
//https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution |
1835 |
//UNFORTUNATELY Opera implements attachEvent but does not follow the script |
1836 |
//script execution mode. |
1837 |
if (node.attachEvent && |
1838 |
//Check if node.attachEvent is artificially added by custom script or |
1839 |
//natively supported by browser |
1840 |
//read https://github.com/jrburke/requirejs/issues/187 |
1841 |
//if we can NOT find [native code] then it must NOT natively supported. |
1842 |
//in IE8, node.attachEvent does not have toString() |
1843 |
//Note the test for "[native code" with no closing brace, see: |
1844 |
//https://github.com/jrburke/requirejs/issues/273 |
1845 |
!(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) && |
1846 |
!isOpera) { |
1847 |
//Probably IE. IE (at least 6-8) do not fire |
1848 |
//script onload right after executing the script, so |
1849 |
//we cannot tie the anonymous define call to a name. |
1850 |
//However, IE reports the script as being in 'interactive' |
1851 |
//readyState at the time of the define call. |
1852 |
useInteractive = true; |
1853 |
|
1854 |
node.attachEvent('onreadystatechange', context.onScriptLoad); |
1855 |
//It would be great to add an error handler here to catch |
1856 |
//404s in IE9+. However, onreadystatechange will fire before |
1857 |
//the error handler, so that does not help. If addEventListener |
1858 |
//is used, then IE will fire error before load, but we cannot |
1859 |
//use that pathway given the connect.microsoft.com issue |
1860 |
//mentioned above about not doing the 'script execute, |
1861 |
//then fire the script load event listener before execute |
1862 |
//next script' that other browsers do. |
1863 |
//Best hope: IE10 fixes the issues, |
1864 |
//and then destroys all installs of IE 6-9. |
1865 |
//node.attachEvent('onerror', context.onScriptError); |
1866 |
} else { |
1867 |
node.addEventListener('load', context.onScriptLoad, false); |
1868 |
node.addEventListener('error', context.onScriptError, false); |
1869 |
} |
1870 |
node.src = url; |
1871 |
|
1872 |
//For some cache cases in IE 6-8, the script executes before the end |
1873 |
//of the appendChild execution, so to tie an anonymous define |
1874 |
//call to the module name (which is stored on the node), hold on |
1875 |
//to a reference to this node, but clear after the DOM insertion. |
1876 |
currentlyAddingScript = node; |
1877 |
if (baseElement) { |
1878 |
head.insertBefore(node, baseElement); |
1879 |
} else { |
1880 |
head.appendChild(node); |
1881 |
} |
1882 |
currentlyAddingScript = null; |
1883 |
|
1884 |
return node; |
1885 |
} else if (isWebWorker) { |
1886 |
try { |
1887 |
//In a web worker, use importScripts. This is not a very |
1888 |
//efficient use of importScripts, importScripts will block until |
1889 |
//its script is downloaded and evaluated. However, if web workers |
1890 |
//are in play, the expectation that a build has been done so that |
1891 |
//only one script needs to be loaded anyway. This may need to be |
1892 |
//reevaluated if other use cases become common. |
1893 |
importScripts(url); |
1894 |
|
1895 |
//Account for anonymous modules |
1896 |
context.completeLoad(moduleName); |
1897 |
} catch (e) { |
1898 |
context.onError(makeError('importscripts', |
1899 |
'importScripts failed for ' + |
1900 |
moduleName + ' at ' + url, |
1901 |
e, |
1902 |
[moduleName])); |
1903 |
} |
1904 |
} |
1905 |
}; |
1906 |
|
1907 |
function getInteractiveScript() { |
1908 |
if (interactiveScript && interactiveScript.readyState === 'interactive') { |
1909 |
return interactiveScript; |
1910 |
} |
1911 |
|
1912 |
eachReverse(scripts(), function (script) { |
1913 |
if (script.readyState === 'interactive') { |
1914 |
return (interactiveScript = script); |
1915 |
} |
1916 |
}); |
1917 |
return interactiveScript; |
1918 |
} |
1919 |
|
1920 |
//Look for a data-main script attribute, which could also adjust the baseUrl. |
1921 |
if (isBrowser) { |
1922 |
//Figure out baseUrl. Get it from the script tag with require.js in it. |
1923 |
eachReverse(scripts(), function (script) { |
1924 |
//Set the 'head' where we can append children by |
1925 |
//using the script's parent. |
1926 |
if (!head) { |
1927 |
head = script.parentNode; |
1928 |
} |
1929 |
|
1930 |
//Look for a data-main attribute to set main script for the page |
1931 |
//to load. If it is there, the path to data main becomes the |
1932 |
//baseUrl, if it is not already set. |
1933 |
dataMain = script.getAttribute('data-main'); |
1934 |
if (dataMain) { |
1935 |
//Preserve dataMain in case it is a path (i.e. contains '?') |
1936 |
mainScript = dataMain; |
1937 |
|
1938 |
//Set final baseUrl if there is not already an explicit one. |
1939 |
if (!cfg.baseUrl) { |
1940 |
//Pull off the directory of data-main for use as the |
1941 |
//baseUrl. |
1942 |
src = mainScript.split('/'); |
1943 |
mainScript = src.pop(); |
1944 |
subPath = src.length ? src.join('/') + '/' : './'; |
1945 |
|
1946 |
cfg.baseUrl = subPath; |
1947 |
} |
1948 |
|
1949 |
//Strip off any trailing .js since mainScript is now |
1950 |
//like a module name. |
1951 |
mainScript = mainScript.replace(jsSuffixRegExp, ''); |
1952 |
|
1953 |
//If mainScript is still a path, fall back to dataMain |
1954 |
if (req.jsExtRegExp.test(mainScript)) { |
1955 |
mainScript = dataMain; |
1956 |
} |
1957 |
|
1958 |
//Put the data-main script in the files to load. |
1959 |
cfg.deps = cfg.deps ? cfg.deps.concat(mainScript) : [mainScript]; |
1960 |
|
1961 |
return true; |
1962 |
} |
1963 |
}); |
1964 |
} |
1965 |
|
1966 |
/** |
1967 |
* The function that handles definitions of modules. Differs from |
1968 |
* require() in that a string for the module should be the first argument, |
1969 |
* and the function to execute after dependencies are loaded should |
1970 |
* return a value to define the module corresponding to the first argument's |
1971 |
* name. |
1972 |
*/ |
1973 |
define = function (name, deps, callback) { |
1974 |
var node, context; |
1975 |
|
1976 |
//Allow for anonymous modules |
1977 |
if (typeof name !== 'string') { |
1978 |
//Adjust args appropriately |
1979 |
callback = deps; |
1980 |
deps = name; |
1981 |
name = null; |
1982 |
} |
1983 |
|
1984 |
//This module may not have dependencies |
1985 |
if (!isArray(deps)) { |
1986 |
callback = deps; |
1987 |
deps = null; |
1988 |
} |
1989 |
|
1990 |
//If no name, and callback is a function, then figure out if it a |
1991 |
//CommonJS thing with dependencies. |
1992 |
if (!deps && isFunction(callback)) { |
1993 |
deps = []; |
1994 |
//Remove comments from the callback string, |
1995 |
//look for require calls, and pull them into the dependencies, |
1996 |
//but only if there are function args. |
1997 |
if (callback.length) { |
1998 |
callback |
1999 |
.toString() |
2000 |
.replace(commentRegExp, '') |
2001 |
.replace(cjsRequireRegExp, function (match, dep) { |
2002 |
deps.push(dep); |
2003 |
}); |
2004 |
|
2005 |
//May be a CommonJS thing even without require calls, but still |
2006 |
//could use exports, and module. Avoid doing exports and module |
2007 |
//work though if it just needs require. |
2008 |
//REQUIRES the function to expect the CommonJS variables in the |
2009 |
//order listed below. |
2010 |
deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps); |
2011 |
} |
2012 |
} |
2013 |
|
2014 |
//If in IE 6-8 and hit an anonymous define() call, do the interactive |
2015 |
//work. |
2016 |
if (useInteractive) { |
2017 |
node = currentlyAddingScript || getInteractiveScript(); |
2018 |
if (node) { |
2019 |
if (!name) { |
2020 |
name = node.getAttribute('data-requiremodule'); |
2021 |
} |
2022 |
context = contexts[node.getAttribute('data-requirecontext')]; |
2023 |
} |
2024 |
} |
2025 |
|
2026 |
//Always save off evaluating the def call until the script onload handler. |
2027 |
//This allows multiple modules to be in a file without prematurely |
2028 |
//tracing dependencies, and allows for anonymous module support, |
2029 |
//where the module name is not known until the script onload event |
2030 |
//occurs. If no context, use the global queue, and get it processed |
2031 |
//in the onscript load callback. |
2032 |
(context ? context.defQueue : globalDefQueue).push([name, deps, callback]); |
2033 |
}; |
2034 |
|
2035 |
define.amd = { |
2036 |
jQuery: true |
2037 |
}; |
2038 |
|
2039 |
|
2040 |
/** |
2041 |
* Executes the text. Normally just uses eval, but can be modified |
2042 |
* to use a better, environment-specific call. Only used for transpiling |
2043 |
* loader plugins, not for plain JS modules. |
2044 |
* @param {String} text the text to execute/evaluate. |
2045 |
*/ |
2046 |
req.exec = function (text) { |
2047 |
/*jslint evil: true */ |
2048 |
return eval(text); |
2049 |
}; |
2050 |
|
2051 |
//Set up with config info. |
2052 |
req(cfg); |
2053 |
}(this)); |