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/require.js:
--------------------------------------------------------------------------------
1 | /** vim: et:ts=4:sw=4:sts=4
2 | * @license RequireJS 2.1.11 Copyright (c) 2010-2014, The Dojo Foundation All Rights Reserved.
3 | * Available via the MIT or new BSD license.
4 | * see: http://github.com/jrburke/requirejs for details
5 | */
6 | //Not using strict: uneven strict support in browsers, #392, and causes
7 | //problems with requirejs.exec()/transpiler plugins that may not be strict.
8 | /*jslint regexp: true, nomen: true, sloppy: true */
9 | /*global window, navigator, document, importScripts, setTimeout, opera */
10 |
11 | var requirejs, require, define;
12 | (function (global) {
13 | var req, s, head, baseElement, dataMain, src,
14 | interactiveScript, currentlyAddingScript, mainScript, subPath,
15 | version = '2.1.11',
16 | commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg,
17 | cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g,
18 | jsSuffixRegExp = /\.js$/,
19 | currDirRegExp = /^\.\//,
20 | op = Object.prototype,
21 | ostring = op.toString,
22 | hasOwn = op.hasOwnProperty,
23 | ap = Array.prototype,
24 | apsp = ap.splice,
25 | isBrowser = !!(typeof window !== 'undefined' && typeof navigator !== 'undefined' && window.document),
26 | isWebWorker = !isBrowser && typeof importScripts !== 'undefined',
27 | //PS3 indicates loaded and complete, but need to wait for complete
28 | //specifically. Sequence is 'loading', 'loaded', execution,
29 | // then 'complete'. The UA check is unfortunate, but not sure how
30 | //to feature test w/o causing perf issues.
31 | readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ?
32 | /^complete$/ : /^(complete|loaded)$/,
33 | defContextName = '_',
34 | //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;
71 | for (i = ary.length - 1; i > -1; i -= 1) {
72 | if (ary[i] && func(ary[i], i, ary)) {
73 | break;
74 | }
75 | }
76 | }
77 | }
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 | }
86 |
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
90 | * 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 === 'object' && value &&
112 | !isArray(value) && !isFunction(value) &&
113 | !(value instanceof RegExp)) {
114 |
115 | if (!target[prop]) {
116 | target[prop] = {};
117 | }
118 | mixin(target[prop], value, force, deepStringMixin);
119 | } else {
120 | target[prop] = value;
121 | }
122 | }
123 | });
124 | }
125 | return target;
126 | }
127 |
128 | //Similar to Function.prototype.bind, but the 'this' object is specified
129 | //first, since it is easier to read/figure out what 'this' will be.
130 | function bind(obj, fn) {
131 | return function () {
132 | return fn.apply(obj, arguments);
133 | };
134 | }
135 |
136 | function scripts() {
137 | return document.getElementsByTagName('script');
138 | }
139 |
140 | function defaultOnError(err) {
141 | throw err;
142 | }
143 |
144 | //Allow getting a global that is expressed in
145 | //dot notation, like 'a.b.c'.
146 | function getGlobal(value) {
147 | if (!value) {
148 | return value;
149 | }
150 | var g = global;
151 | each(value.split('.'), function (part) {
152 | g = g[part];
153 | });
154 | return g;
155 | }
156 |
157 | /**
158 | * Constructs an error with a pointer to an URL with more information.
159 | * @param {String} id the error ID that maps to an ID on a web page.
160 | * @param {String} message human readable error.
161 | * @param {Error} [err] the original error, if there is one.
162 | *
163 | * @returns {Error}
164 | */
165 | function makeError(id, msg, err, requireModules) {
166 | var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id);
167 | e.requireType = id;
168 | e.requireModules = requireModules;
169 | if (err) {
170 | e.originalError = err;
171 | }
172 | return e;
173 | }
174 |
175 | if (typeof define !== 'undefined') {
176 | //If a define is already in play via another AMD loader,
177 | //do not overwrite.
178 | return;
179 | }
180 |
181 | if (typeof requirejs !== 'undefined') {
182 | if (isFunction(requirejs)) {
183 | //Do not overwrite and existing requirejs instance.
184 | return;
185 | }
186 | cfg = requirejs;
187 | requirejs = undefined;
188 | }
189 |
190 | //Allow for a require config object
191 | if (typeof require !== 'undefined' && !isFunction(require)) {
192 | //assume it is a config object.
193 | cfg = require;
194 | require = undefined;
195 | }
196 |
197 | function newContext(contextName) {
198 | var inCheckLoaded, Module, context, handlers,
199 | checkLoadedTimeoutId,
200 | config = {
201 | //Defaults. Do not set a default for map
202 | //config to speed up normalize(), which
203 | //will run faster if there is no default.
204 | waitSeconds: 7,
205 | baseUrl: './',
206 | paths: {},
207 | bundles: {},
208 | pkgs: {},
209 | shim: {},
210 | config: {}
211 | },
212 | registry = {},
213 | //registry of just enabled modules, to speed
214 | //cycle breaking code when lots of modules
215 | //are registered, but not activated.
216 | enabledRegistry = {},
217 | undefEvents = {},
218 | defQueue = [],
219 | defined = {},
220 | urlFetched = {},
221 | bundlesMap = {},
222 | requireCounter = 1,
223 | unnormalizedCounter = 1;
224 |
225 | /**
226 | * Trims the . and .. from an array of path segments.
227 | * It will keep a leading path segment if a .. will become
228 | * the first path segment, to help with module name lookups,
229 | * which act like paths, but can be remapped. But the end result,
230 | * all paths that use this function should look normalized.
231 | * NOTE: this method MODIFIES the input array.
232 | * @param {Array} ary the array of path segments.
233 | */
234 | function trimDots(ary) {
235 | var i, part, length = ary.length;
236 | for (i = 0; i < length; i++) {
237 | part = ary[i];
238 | if (part === '.') {
239 | ary.splice(i, 1);
240 | i -= 1;
241 | } else if (part === '..') {
242 | if (i === 1 && (ary[2] === '..' || ary[0] === '..')) {
243 | //End of the line. Keep at least one non-dot
244 | //path segment at the front so it can be mapped
245 | //correctly to disk. Otherwise, there is likely
246 | //no path mapping for a path starting with '..'.
247 | //This can still fail, but catches the most reasonable
248 | //uses of ..
249 | break;
250 | } else if (i > 0) {
251 | ary.splice(i - 1, 2);
252 | i -= 2;
253 | }
254 | }
255 | }
256 | }
257 |
258 | /**
259 | * Given a relative module name, like ./something, normalize it to
260 | * a real name that can be mapped to a path.
261 | * @param {String} name the relative name
262 | * @param {String} baseName a real name that the name arg is relative
263 | * to.
264 | * @param {Boolean} applyMap apply the map config to the value. Should
265 | * only be done if this normalization is for a dependency ID.
266 | * @returns {String} normalized name
267 | */
268 | function normalize(name, baseName, applyMap) {
269 | var pkgMain, mapValue, nameParts, i, j, nameSegment, lastIndex,
270 | foundMap, foundI, foundStarMap, starI,
271 | baseParts = baseName && baseName.split('/'),
272 | normalizedBaseParts = baseParts,
273 | map = config.map,
274 | starMap = map && map['*'];
275 |
276 | //Adjust any relative paths.
277 | if (name && name.charAt(0) === '.') {
278 | //If have a base name, try to normalize against it,
279 | //otherwise, assume it is a top-level require that will
280 | //be relative to baseUrl in the end.
281 | if (baseName) {
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 | name = name.split('/');
289 | lastIndex = name.length - 1;
290 |
291 | // If wanting node ID compatibility, strip .js from end
292 | // of IDs. Have to do this here, and not in nameToUrl
293 | // because node allows either .js or non .js to map
294 | // to same file.
295 | if (config.nodeIdCompat && jsSuffixRegExp.test(name[lastIndex])) {
296 | name[lastIndex] = name[lastIndex].replace(jsSuffixRegExp, '');
297 | }
298 |
299 | name = normalizedBaseParts.concat(name);
300 | trimDots(name);
301 | name = name.join('/');
302 | } else if (name.indexOf('./') === 0) {
303 | // No baseName, so this is ID is resolved relative
304 | // to baseUrl, pull off the leading dot.
305 | name = name.substring(2);
306 | }
307 | }
308 |
309 | //Apply map config if available.
310 | if (applyMap && map && (baseParts || starMap)) {
311 | nameParts = name.split('/');
312 |
313 | outerLoop: for (i = nameParts.length; i > 0; i -= 1) {
314 | nameSegment = nameParts.slice(0, i).join('/');
315 |
316 | if (baseParts) {
317 | //Find the longest baseName segment match in the config.
318 | //So, do joins on the biggest to smallest lengths of baseParts.
319 | for (j = baseParts.length; j > 0; j -= 1) {
320 | mapValue = getOwn(map, baseParts.slice(0, j).join('/'));
321 |
322 | //baseName segment has config, find if it has one for
323 | //this name.
324 | if (mapValue) {
325 | mapValue = getOwn(mapValue, nameSegment);
326 | if (mapValue) {
327 | //Match, update name to the new value.
328 | foundMap = mapValue;
329 | foundI = i;
330 | break outerLoop;
331 | }
332 | }
333 | }
334 | }
335 |
336 | //Check for a star map match, but just hold on to it,
337 | //if there is a shorter segment match later in a matching
338 | //config, then favor over this star map.
339 | if (!foundStarMap && starMap && getOwn(starMap, nameSegment)) {
340 | foundStarMap = getOwn(starMap, nameSegment);
341 | starI = i;
342 | }
343 | }
344 |
345 | if (!foundMap && foundStarMap) {
346 | foundMap = foundStarMap;
347 | foundI = starI;
348 | }
349 |
350 | if (foundMap) {
351 | nameParts.splice(0, foundI, foundMap);
352 | name = nameParts.join('/');
353 | }
354 | }
355 |
356 | // If the name points to a package's name, use
357 | // the package main instead.
358 | pkgMain = getOwn(config.pkgs, name);
359 |
360 | return pkgMain ? pkgMain : name;
361 | }
362 |
363 | function removeScript(name) {
364 | if (isBrowser) {
365 | each(scripts(), function (scriptNode) {
366 | if (scriptNode.getAttribute('data-requiremodule') === name &&
367 | scriptNode.getAttribute('data-requirecontext') === context.contextName) {
368 | scriptNode.parentNode.removeChild(scriptNode);
369 | return true;
370 | }
371 | });
372 | }
373 | }
374 |
375 | function hasPathFallback(id) {
376 | var pathConfig = getOwn(config.paths, id);
377 | if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) {
378 | //Pop off the first array value, since it failed, and
379 | //retry
380 | pathConfig.shift();
381 | context.require.undef(id);
382 | context.require([id]);
383 | return true;
384 | }
385 | }
386 |
387 | //Turns a plugin!resource to [plugin, resource]
388 | //with the plugin being undefined if the name
389 | //did not have a plugin prefix.
390 | function splitPrefix(name) {
391 | var prefix,
392 | index = name ? name.indexOf('!') : -1;
393 | if (index > -1) {
394 | prefix = name.substring(0, index);
395 | name = name.substring(index + 1, name.length);
396 | }
397 | return [prefix, name];
398 | }
399 |
400 | /**
401 | * Creates a module mapping that includes plugin prefix, module
402 | * name, and path. If parentModuleMap is provided it will
403 | * also normalize the name via require.normalize()
404 | *
405 | * @param {String} name the module name
406 | * @param {String} [parentModuleMap] parent module map
407 | * for the module name, used to resolve relative names.
408 | * @param {Boolean} isNormalized: is the ID already normalized.
409 | * This is true if this call is done for a define() module ID.
410 | * @param {Boolean} applyMap: apply the map config to the ID.
411 | * Should only be true if this map is for a dependency.
412 | *
413 | * @returns {Object}
414 | */
415 | function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) {
416 | var url, pluginModule, suffix, nameParts,
417 | prefix = null,
418 | parentName = parentModuleMap ? parentModuleMap.name : null,
419 | originalName = name,
420 | isDefine = true,
421 | normalizedName = '';
422 |
423 | //If no name, then it means it is a require call, generate an
424 | //internal name.
425 | if (!name) {
426 | isDefine = false;
427 | name = '_@r' + (requireCounter += 1);
428 | }
429 |
430 | nameParts = splitPrefix(name);
431 | prefix = nameParts[0];
432 | name = nameParts[1];
433 |
434 | if (prefix) {
435 | prefix = normalize(prefix, parentName, applyMap);
436 | pluginModule = getOwn(defined, prefix);
437 | }
438 |
439 | //Account for relative paths if there is a base name.
440 | if (name) {
441 | if (prefix) {
442 | if (pluginModule && pluginModule.normalize) {
443 | //Plugin is loaded, use its normalize method.
444 | normalizedName = pluginModule.normalize(name, function (name) {
445 | return normalize(name, parentName, applyMap);
446 | });
447 | } else {
448 | normalizedName = normalize(name, parentName, applyMap);
449 | }
450 | } else {
451 | //A regular module.
452 | normalizedName = normalize(name, parentName, applyMap);
453 |
454 | //Normalized name may be a plugin ID due to map config
455 | //application in normalize. The map config values must
456 | //already be normalized, so do not need to redo that part.
457 | nameParts = splitPrefix(normalizedName);
458 | prefix = nameParts[0];
459 | normalizedName = nameParts[1];
460 | isNormalized = true;
461 |
462 | url = context.nameToUrl(normalizedName);
463 | }
464 | }
465 |
466 | //If the id is a plugin id that cannot be determined if it needs
467 | //normalization, stamp it with a unique ID so two matching relative
468 | //ids that may conflict can be separate.
469 | suffix = prefix && !pluginModule && !isNormalized ?
470 | '_unnormalized' + (unnormalizedCounter += 1) :
471 | '';
472 |
473 | return {
474 | prefix: prefix,
475 | name: normalizedName,
476 | parentMap: parentModuleMap,
477 | unnormalized: !!suffix,
478 | url: url,
479 | originalName: originalName,
480 | isDefine: isDefine,
481 | id: (prefix ?
482 | prefix + '!' + normalizedName :
483 | normalizedName) + suffix
484 | };
485 | }
486 |
487 | function getModule(depMap) {
488 | var id = depMap.id,
489 | mod = getOwn(registry, id);
490 |
491 | if (!mod) {
492 | mod = registry[id] = new context.Module(depMap);
493 | }
494 |
495 | return mod;
496 | }
497 |
498 | function on(depMap, name, fn) {
499 | var id = depMap.id,
500 | mod = getOwn(registry, id);
501 |
502 | if (hasProp(defined, id) &&
503 | (!mod || mod.defineEmitComplete)) {
504 | if (name === 'defined') {
505 | fn(defined[id]);
506 | }
507 | } else {
508 | mod = getModule(depMap);
509 | if (mod.error && name === 'error') {
510 | fn(mod.error);
511 | } else {
512 | mod.on(name, fn);
513 | }
514 | }
515 | }
516 |
517 | function onError(err, errback) {
518 | var ids = err.requireModules,
519 | notified = false;
520 |
521 | if (errback) {
522 | errback(err);
523 | } else {
524 | each(ids, function (id) {
525 | var mod = getOwn(registry, id);
526 | if (mod) {
527 | //Set error on module, so it skips timeout checks.
528 | mod.error = err;
529 | if (mod.events.error) {
530 | notified = true;
531 | mod.emit('error', err);
532 | }
533 | }
534 | });
535 |
536 | if (!notified) {
537 | req.onError(err);
538 | }
539 | }
540 | }
541 |
542 | /**
543 | * Internal method to transfer globalQueue items to this context's
544 | * defQueue.
545 | */
546 | function takeGlobalQueue() {
547 | //Push all the globalDefQueue items into the context's defQueue
548 | if (globalDefQueue.length) {
549 | //Array splice in the values since the context code has a
550 | //local var ref to defQueue, so cannot just reassign the one
551 | //on context.
552 | apsp.apply(defQueue,
553 | [defQueue.length, 0].concat(globalDefQueue));
554 | globalDefQueue = [];
555 | }
556 | }
557 |
558 | handlers = {
559 | 'require': function (mod) {
560 | if (mod.require) {
561 | return mod.require;
562 | } else {
563 | return (mod.require = context.makeRequire(mod.map));
564 | }
565 | },
566 | 'exports': function (mod) {
567 | mod.usingExports = true;
568 | if (mod.map.isDefine) {
569 | if (mod.exports) {
570 | return (defined[mod.map.id] = mod.exports);
571 | } else {
572 | return (mod.exports = defined[mod.map.id] = {});
573 | }
574 | }
575 | },
576 | 'module': function (mod) {
577 | if (mod.module) {
578 | return mod.module;
579 | } else {
580 | return (mod.module = {
581 | id: mod.map.id,
582 | uri: mod.map.url,
583 | config: function () {
584 | return getOwn(config.config, mod.map.id) || {};
585 | },
586 | exports: mod.exports || (mod.exports = {})
587 | });
588 | }
589 | }
590 | };
591 |
592 | function cleanRegistry(id) {
593 | //Clean up machinery used for waiting modules.
594 | delete registry[id];
595 | delete enabledRegistry[id];
596 | }
597 |
598 | function breakCycle(mod, traced, processed) {
599 | var id = mod.map.id;
600 |
601 | if (mod.error) {
602 | mod.emit('error', mod.error);
603 | } else {
604 | traced[id] = true;
605 | each(mod.depMaps, function (depMap, i) {
606 | var depId = depMap.id,
607 | dep = getOwn(registry, depId);
608 |
609 | //Only force things that have not completed
610 | //being defined, so still in the registry,
611 | //and only if it has not been matched up
612 | //in the module already.
613 | if (dep && !mod.depMatched[i] && !processed[depId]) {
614 | if (getOwn(traced, depId)) {
615 | mod.defineDep(i, defined[depId]);
616 | mod.check(); //pass false?
617 | } else {
618 | breakCycle(dep, traced, processed);
619 | }
620 | }
621 | });
622 | processed[id] = true;
623 | }
624 | }
625 |
626 | function checkLoaded() {
627 | var err, usingPathFallback,
628 | waitInterval = config.waitSeconds * 1000,
629 | //It is possible to disable the wait interval by using waitSeconds of 0.
630 | expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(),
631 | noLoads = [],
632 | reqCalls = [],
633 | stillLoading = false,
634 | needCycleCheck = true;
635 |
636 | //Do not bother if this call was a result of a cycle break.
637 | if (inCheckLoaded) {
638 | return;
639 | }
640 |
641 | inCheckLoaded = true;
642 |
643 | //Figure out the state of all the modules.
644 | eachProp(enabledRegistry, function (mod) {
645 | var map = mod.map,
646 | modId = map.id;
647 |
648 | //Skip things that are not enabled or in error state.
649 | if (!mod.enabled) {
650 | return;
651 | }
652 |
653 | if (!map.isDefine) {
654 | reqCalls.push(mod);
655 | }
656 |
657 | if (!mod.error) {
658 | //If the module should be executed, and it has not
659 | //been inited and time is up, remember it.
660 | if (!mod.inited && expired) {
661 | if (hasPathFallback(modId)) {
662 | usingPathFallback = true;
663 | stillLoading = true;
664 | } else {
665 | noLoads.push(modId);
666 | removeScript(modId);
667 | }
668 | } else if (!mod.inited && mod.fetched && map.isDefine) {
669 | stillLoading = true;
670 | if (!map.prefix) {
671 | //No reason to keep looking for unfinished
672 | //loading. If the only stillLoading is a
673 | //plugin resource though, keep going,
674 | //because it may be that a plugin resource
675 | //is waiting on a non-plugin cycle.
676 | return (needCycleCheck = false);
677 | }
678 | }
679 | }
680 | });
681 |
682 | if (expired && noLoads.length) {
683 | //If wait time expired, throw error of unloaded modules.
684 | err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads);
685 | err.contextName = context.contextName;
686 | return onError(err);
687 | }
688 |
689 | //Not expired, check for a cycle.
690 | if (needCycleCheck) {
691 | each(reqCalls, function (mod) {
692 | breakCycle(mod, {}, {});
693 | });
694 | }
695 |
696 | //If still waiting on loads, and the waiting load is something
697 | //other than a plugin resource, or there are still outstanding
698 | //scripts, then just try back later.
699 | if ((!expired || usingPathFallback) && stillLoading) {
700 | //Something is still waiting to load. Wait for it, but only
701 | //if a timeout is not already in effect.
702 | if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) {
703 | checkLoadedTimeoutId = setTimeout(function () {
704 | checkLoadedTimeoutId = 0;
705 | checkLoaded();
706 | }, 50);
707 | }
708 | }
709 |
710 | inCheckLoaded = false;
711 | }
712 |
713 | Module = function (map) {
714 | this.events = getOwn(undefEvents, map.id) || {};
715 | this.map = map;
716 | this.shim = getOwn(config.shim, map.id);
717 | this.depExports = [];
718 | this.depMaps = [];
719 | this.depMatched = [];
720 | this.pluginMaps = {};
721 | this.depCount = 0;
722 |
723 | /* this.exports this.factory
724 | this.depMaps = [],
725 | this.enabled, this.fetched
726 | */
727 | };
728 |
729 | Module.prototype = {
730 | init: function (depMaps, factory, errback, options) {
731 | options = options || {};
732 |
733 | //Do not do more inits if already done. Can happen if there
734 | //are multiple define calls for the same module. That is not
735 | //a normal, common case, but it is also not unexpected.
736 | if (this.inited) {
737 | return;
738 | }
739 |
740 | this.factory = factory;
741 |
742 | if (errback) {
743 | //Register for errors on this module.
744 | this.on('error', errback);
745 | } else if (this.events.error) {
746 | //If no errback already, but there are error listeners
747 | //on this module, set up an errback to pass to the deps.
748 | errback = bind(this, function (err) {
749 | this.emit('error', err);
750 | });
751 | }
752 |
753 | //Do a copy of the dependency array, so that
754 | //source inputs are not modified. For example
755 | //"shim" deps are passed in here directly, and
756 | //doing a direct modification of the depMaps array
757 | //would affect that config.
758 | this.depMaps = depMaps && depMaps.slice(0);
759 |
760 | this.errback = errback;
761 |
762 | //Indicate this module has be initialized
763 | this.inited = true;
764 |
765 | this.ignore = options.ignore;
766 |
767 | //Could have option to init this module in enabled mode,
768 | //or could have been previously marked as enabled. However,
769 | //the dependencies are not known until init is called. So
770 | //if enabled previously, now trigger dependencies as enabled.
771 | if (options.enabled || this.enabled) {
772 | //Enable this module and dependencies.
773 | //Will call this.check()
774 | this.enable();
775 | } else {
776 | this.check();
777 | }
778 | },
779 |
780 | defineDep: function (i, depExports) {
781 | //Because of cycles, defined callback for a given
782 | //export can be called more than once.
783 | if (!this.depMatched[i]) {
784 | this.depMatched[i] = true;
785 | this.depCount -= 1;
786 | this.depExports[i] = depExports;
787 | }
788 | },
789 |
790 | fetch: function () {
791 | if (this.fetched) {
792 | return;
793 | }
794 | this.fetched = true;
795 |
796 | context.startTime = (new Date()).getTime();
797 |
798 | var map = this.map;
799 |
800 | //If the manager is for a plugin managed resource,
801 | //ask the plugin to load it now.
802 | if (this.shim) {
803 | context.makeRequire(this.map, {
804 | enableBuildCallback: true
805 | })(this.shim.deps || [], bind(this, function () {
806 | return map.prefix ? this.callPlugin() : this.load();
807 | }));
808 | } else {
809 | //Regular dependency.
810 | return map.prefix ? this.callPlugin() : this.load();
811 | }
812 | },
813 |
814 | load: function () {
815 | var url = this.map.url;
816 |
817 | //Regular dependency.
818 | if (!urlFetched[url]) {
819 | urlFetched[url] = true;
820 | context.load(this.map.id, url);
821 | }
822 | },
823 |
824 | /**
825 | * Checks if the module is ready to define itself, and if so,
826 | * define it.
827 | */
828 | check: function () {
829 | if (!this.enabled || this.enabling) {
830 | return;
831 | }
832 |
833 | var err, cjsModule,
834 | id = this.map.id,
835 | depExports = this.depExports,
836 | exports = this.exports,
837 | factory = this.factory;
838 |
839 | if (!this.inited) {
840 | this.fetch();
841 | } else if (this.error) {
842 | this.emit('error', this.error);
843 | } else if (!this.defining) {
844 | //The factory could trigger another require call
845 | //that would result in checking this module to
846 | //define itself again. If already in the process
847 | //of doing that, skip this work.
848 | this.defining = true;
849 |
850 | if (this.depCount < 1 && !this.defined) {
851 | if (isFunction(factory)) {
852 | //If there is an error listener, favor passing
853 | //to that instead of throwing an error. However,
854 | //only do it for define()'d modules. require
855 | //errbacks should not be called for failures in
856 | //their callbacks (#699). However if a global
857 | //onError is set, use that.
858 | if ((this.events.error && this.map.isDefine) ||
859 | req.onError !== defaultOnError) {
860 | try {
861 | exports = context.execCb(id, factory, depExports, exports);
862 | } catch (e) {
863 | err = e;
864 | }
865 | } else {
866 | exports = context.execCb(id, factory, depExports, exports);
867 | }
868 |
869 | // Favor return value over exports. If node/cjs in play,
870 | // then will not have a return value anyway. Favor
871 | // module.exports assignment over exports object.
872 | if (this.map.isDefine && exports === undefined) {
873 | cjsModule = this.module;
874 | if (cjsModule) {
875 | exports = cjsModule.exports;
876 | } else if (this.usingExports) {
877 | //exports already set the defined value.
878 | exports = this.exports;
879 | }
880 | }
881 |
882 | if (err) {
883 | err.requireMap = this.map;
884 | err.requireModules = this.map.isDefine ? [this.map.id] : null;
885 | err.requireType = this.map.isDefine ? 'define' : 'require';
886 | return onError((this.error = err));
887 | }
888 |
889 | } else {
890 | //Just a literal value
891 | exports = factory;
892 | }
893 |
894 | this.exports = exports;
895 |
896 | if (this.map.isDefine && !this.ignore) {
897 | defined[id] = exports;
898 |
899 | if (req.onResourceLoad) {
900 | req.onResourceLoad(context, this.map, this.depMaps);
901 | }
902 | }
903 |
904 | //Clean up
905 | cleanRegistry(id);
906 |
907 | this.defined = true;
908 | }
909 |
910 | //Finished the define stage. Allow calling check again
911 | //to allow define notifications below in the case of a
912 | //cycle.
913 | this.defining = false;
914 |
915 | if (this.defined && !this.defineEmitted) {
916 | this.defineEmitted = true;
917 | this.emit('defined', this.exports);
918 | this.defineEmitComplete = true;
919 | }
920 |
921 | }
922 | },
923 |
924 | callPlugin: function () {
925 | var map = this.map,
926 | id = map.id,
927 | //Map already normalized the prefix.
928 | pluginMap = makeModuleMap(map.prefix);
929 |
930 | //Mark this as a dependency for this plugin, so it
931 | //can be traced for cycles.
932 | this.depMaps.push(pluginMap);
933 |
934 | on(pluginMap, 'defined', bind(this, function (plugin) {
935 | var load, normalizedMap, normalizedMod,
936 | bundleId = getOwn(bundlesMap, this.map.id),
937 | name = this.map.name,
938 | parentName = this.map.parentMap ? this.map.parentMap.name : null,
939 | localRequire = context.makeRequire(map.parentMap, {
940 | enableBuildCallback: true
941 | });
942 |
943 | //If current map is not normalized, wait for that
944 | //normalized name to load instead of continuing.
945 | if (this.map.unnormalized) {
946 | //Normalize the ID if the plugin allows it.
947 | if (plugin.normalize) {
948 | name = plugin.normalize(name, function (name) {
949 | return normalize(name, parentName, true);
950 | }) || '';
951 | }
952 |
953 | //prefix and name should already be normalized, no need
954 | //for applying map config again either.
955 | normalizedMap = makeModuleMap(map.prefix + '!' + name,
956 | this.map.parentMap);
957 | on(normalizedMap,
958 | 'defined', bind(this, function (value) {
959 | this.init([], function () { return value; }, null, {
960 | enabled: true,
961 | ignore: true
962 | });
963 | }));
964 |
965 | normalizedMod = getOwn(registry, normalizedMap.id);
966 | if (normalizedMod) {
967 | //Mark this as a dependency for this plugin, so it
968 | //can be traced for cycles.
969 | this.depMaps.push(normalizedMap);
970 |
971 | if (this.events.error) {
972 | normalizedMod.on('error', bind(this, function (err) {
973 | this.emit('error', err);
974 | }));
975 | }
976 | normalizedMod.enable();
977 | }
978 |
979 | return;
980 | }
981 |
982 | //If a paths config, then just load that file instead to
983 | //resolve the plugin, as it is built into that paths layer.
984 | if (bundleId) {
985 | this.map.url = context.nameToUrl(bundleId);
986 | this.load();
987 | return;
988 | }
989 |
990 | load = bind(this, function (value) {
991 | this.init([], function () { return value; }, null, {
992 | enabled: true
993 | });
994 | });
995 |
996 | load.error = bind(this, function (err) {
997 | this.inited = true;
998 | this.error = err;
999 | err.requireModules = [id];
1000 |
1001 | //Remove temp unnormalized modules for this module,
1002 | //since they will never be resolved otherwise now.
1003 | eachProp(registry, function (mod) {
1004 | if (mod.map.id.indexOf(id + '_unnormalized') === 0) {
1005 | cleanRegistry(mod.map.id);
1006 | }
1007 | });
1008 |
1009 | onError(err);
1010 | });
1011 |
1012 | //Allow plugins to load other code without having to know the
1013 | //context or how to 'complete' the load.
1014 | load.fromText = bind(this, function (text, textAlt) {
1015 | /*jslint evil: true */
1016 | var moduleName = map.name,
1017 | moduleMap = makeModuleMap(moduleName),
1018 | hasInteractive = useInteractive;
1019 |
1020 | //As of 2.1.0, support just passing the text, to reinforce
1021 | //fromText only being called once per resource. Still
1022 | //support old style of passing moduleName but discard
1023 | //that moduleName in favor of the internal ref.
1024 | if (textAlt) {
1025 | text = textAlt;
1026 | }
1027 |
1028 | //Turn off interactive script matching for IE for any define
1029 | //calls in the text, then turn it back on at the end.
1030 | if (hasInteractive) {
1031 | useInteractive = false;
1032 | }
1033 |
1034 | //Prime the system by creating a module instance for
1035 | //it.
1036 | getModule(moduleMap);
1037 |
1038 | //Transfer any config to this other module.
1039 | if (hasProp(config.config, id)) {
1040 | config.config[moduleName] = config.config[id];
1041 | }
1042 |
1043 | try {
1044 | req.exec(text);
1045 | } catch (e) {
1046 | return onError(makeError('fromtexteval',
1047 | 'fromText eval for ' + id +
1048 | ' failed: ' + e,
1049 | e,
1050 | [id]));
1051 | }
1052 |
1053 | if (hasInteractive) {
1054 | useInteractive = true;
1055 | }
1056 |
1057 | //Mark this as a dependency for the plugin
1058 | //resource
1059 | this.depMaps.push(moduleMap);
1060 |
1061 | //Support anonymous modules.
1062 | context.completeLoad(moduleName);
1063 |
1064 | //Bind the value of that module to the value for this
1065 | //resource ID.
1066 | localRequire([moduleName], load);
1067 | });
1068 |
1069 | //Use parentName here since the plugin's name is not reliable,
1070 | //could be some weird string with no path that actually wants to
1071 | //reference the parentName's path.
1072 | plugin.load(map.name, localRequire, load, config);
1073 | }));
1074 |
1075 | context.enable(pluginMap, this);
1076 | this.pluginMaps[pluginMap.id] = pluginMap;
1077 | },
1078 |
1079 | enable: function () {
1080 | enabledRegistry[this.map.id] = this;
1081 | this.enabled = true;
1082 |
1083 | //Set flag mentioning that the module is enabling,
1084 | //so that immediate calls to the defined callbacks
1085 | //for dependencies do not trigger inadvertent load
1086 | //with the depCount still being zero.
1087 | this.enabling = true;
1088 |
1089 | //Enable each dependency
1090 | each(this.depMaps, bind(this, function (depMap, i) {
1091 | var id, mod, handler;
1092 |
1093 | if (typeof depMap === 'string') {
1094 | //Dependency needs to be converted to a depMap
1095 | //and wired up to this module.
1096 | depMap = makeModuleMap(depMap,
1097 | (this.map.isDefine ? this.map : this.map.parentMap),
1098 | false,
1099 | !this.skipMap);
1100 | this.depMaps[i] = depMap;
1101 |
1102 | handler = getOwn(handlers, depMap.id);
1103 |
1104 | if (handler) {
1105 | this.depExports[i] = handler(this);
1106 | return;
1107 | }
1108 |
1109 | this.depCount += 1;
1110 |
1111 | on(depMap, 'defined', bind(this, function (depExports) {
1112 | this.defineDep(i, depExports);
1113 | this.check();
1114 | }));
1115 |
1116 | if (this.errback) {
1117 | on(depMap, 'error', bind(this, this.errback));
1118 | }
1119 | }
1120 |
1121 | id = depMap.id;
1122 | mod = registry[id];
1123 |
1124 | //Skip special modules like 'require', 'exports', 'module'
1125 | //Also, don't call enable if it is already enabled,
1126 | //important in circular dependency cases.
1127 | if (!hasProp(handlers, id) && mod && !mod.enabled) {
1128 | context.enable(depMap, this);
1129 | }
1130 | }));
1131 |
1132 | //Enable each plugin that is used in
1133 | //a dependency
1134 | eachProp(this.pluginMaps, bind(this, function (pluginMap) {
1135 | var mod = getOwn(registry, pluginMap.id);
1136 | if (mod && !mod.enabled) {
1137 | context.enable(pluginMap, this);
1138 | }
1139 | }));
1140 |
1141 | this.enabling = false;
1142 |
1143 | this.check();
1144 | },
1145 |
1146 | on: function (name, cb) {
1147 | var cbs = this.events[name];
1148 | if (!cbs) {
1149 | cbs = this.events[name] = [];
1150 | }
1151 | cbs.push(cb);
1152 | },
1153 |
1154 | emit: function (name, evt) {
1155 | each(this.events[name], function (cb) {
1156 | cb(evt);
1157 | });
1158 | if (name === 'error') {
1159 | //Now that the error handler was triggered, remove
1160 | //the listeners, since this broken Module instance
1161 | //can stay around for a while in the registry.
1162 | delete this.events[name];
1163 | }
1164 | }
1165 | };
1166 |
1167 | function callGetModule(args) {
1168 | //Skip modules already defined.
1169 | if (!hasProp(defined, args[0])) {
1170 | getModule(makeModuleMap(args[0], null, true)).init(args[1], args[2]);
1171 | }
1172 | }
1173 |
1174 | function removeListener(node, func, name, ieName) {
1175 | //Favor detachEvent because of IE9
1176 | //issue, see attachEvent/addEventListener comment elsewhere
1177 | //in this file.
1178 | if (node.detachEvent && !isOpera) {
1179 | //Probably IE. If not it will throw an error, which will be
1180 | //useful to know.
1181 | if (ieName) {
1182 | node.detachEvent(ieName, func);
1183 | }
1184 | } else {
1185 | node.removeEventListener(name, func, false);
1186 | }
1187 | }
1188 |
1189 | /**
1190 | * Given an event from a script node, get the requirejs info from it,
1191 | * and then removes the event listeners on the node.
1192 | * @param {Event} evt
1193 | * @returns {Object}
1194 | */
1195 | function getScriptData(evt) {
1196 | //Using currentTarget instead of target for Firefox 2.0's sake. Not
1197 | //all old browsers will be supported, but this one was easy enough
1198 | //to support and still makes sense.
1199 | var node = evt.currentTarget || evt.srcElement;
1200 |
1201 | //Remove the listeners once here.
1202 | removeListener(node, context.onScriptLoad, 'load', 'onreadystatechange');
1203 | removeListener(node, context.onScriptError, 'error');
1204 |
1205 | return {
1206 | node: node,
1207 | id: node && node.getAttribute('data-requiremodule')
1208 | };
1209 | }
1210 |
1211 | function intakeDefines() {
1212 | var args;
1213 |
1214 | //Any defined modules in the global queue, intake them now.
1215 | takeGlobalQueue();
1216 |
1217 | //Make sure any remaining defQueue items get properly processed.
1218 | while (defQueue.length) {
1219 | args = defQueue.shift();
1220 | if (args[0] === null) {
1221 | return onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + args[args.length - 1]));
1222 | } else {
1223 | //args are id, deps, factory. Should be normalized by the
1224 | //define() function.
1225 | callGetModule(args);
1226 | }
1227 | }
1228 | }
1229 |
1230 | context = {
1231 | config: config,
1232 | contextName: contextName,
1233 | registry: registry,
1234 | defined: defined,
1235 | urlFetched: urlFetched,
1236 | defQueue: defQueue,
1237 | Module: Module,
1238 | makeModuleMap: makeModuleMap,
1239 | nextTick: req.nextTick,
1240 | onError: onError,
1241 |
1242 | /**
1243 | * Set a configuration for the context.
1244 | * @param {Object} cfg config object to integrate.
1245 | */
1246 | configure: function (cfg) {
1247 | //Make sure the baseUrl ends in a slash.
1248 | if (cfg.baseUrl) {
1249 | if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== '/') {
1250 | cfg.baseUrl += '/';
1251 | }
1252 | }
1253 |
1254 | //Save off the paths since they require special processing,
1255 | //they are additive.
1256 | var shim = config.shim,
1257 | objs = {
1258 | paths: true,
1259 | bundles: true,
1260 | config: true,
1261 | map: true
1262 | };
1263 |
1264 | eachProp(cfg, function (value, prop) {
1265 | if (objs[prop]) {
1266 | if (!config[prop]) {
1267 | config[prop] = {};
1268 | }
1269 | mixin(config[prop], value, true, true);
1270 | } else {
1271 | config[prop] = value;
1272 | }
1273 | });
1274 |
1275 | //Reverse map the bundles
1276 | if (cfg.bundles) {
1277 | eachProp(cfg.bundles, function (value, prop) {
1278 | each(value, function (v) {
1279 | if (v !== prop) {
1280 | bundlesMap[v] = prop;
1281 | }
1282 | });
1283 | });
1284 | }
1285 |
1286 | //Merge shim
1287 | if (cfg.shim) {
1288 | eachProp(cfg.shim, function (value, id) {
1289 | //Normalize the structure
1290 | if (isArray(value)) {
1291 | value = {
1292 | deps: value
1293 | };
1294 | }
1295 | if ((value.exports || value.init) && !value.exportsFn) {
1296 | value.exportsFn = context.makeShimExports(value);
1297 | }
1298 | shim[id] = value;
1299 | });
1300 | config.shim = shim;
1301 | }
1302 |
1303 | //Adjust packages if necessary.
1304 | if (cfg.packages) {
1305 | each(cfg.packages, function (pkgObj) {
1306 | var location, name;
1307 |
1308 | pkgObj = typeof pkgObj === 'string' ? { name: pkgObj } : pkgObj;
1309 |
1310 | name = pkgObj.name;
1311 | location = pkgObj.location;
1312 | if (location) {
1313 | config.paths[name] = pkgObj.location;
1314 | }
1315 |
1316 | //Save pointer to main module ID for pkg name.
1317 | //Remove leading dot in main, so main paths are normalized,
1318 | //and remove any trailing .js, since different package
1319 | //envs have different conventions: some use a module name,
1320 | //some use a file name.
1321 | config.pkgs[name] = pkgObj.name + '/' + (pkgObj.main || 'main')
1322 | .replace(currDirRegExp, '')
1323 | .replace(jsSuffixRegExp, '');
1324 | });
1325 | }
1326 |
1327 | //If there are any "waiting to execute" modules in the registry,
1328 | //update the maps for them, since their info, like URLs to load,
1329 | //may have changed.
1330 | eachProp(registry, function (mod, id) {
1331 | //If module already has init called, since it is too
1332 | //late to modify them, and ignore unnormalized ones
1333 | //since they are transient.
1334 | if (!mod.inited && !mod.map.unnormalized) {
1335 | mod.map = makeModuleMap(id);
1336 | }
1337 | });
1338 |
1339 | //If a deps array or a config callback is specified, then call
1340 | //require with those args. This is useful when require is defined as a
1341 | //config object before require.js is loaded.
1342 | if (cfg.deps || cfg.callback) {
1343 | context.require(cfg.deps || [], cfg.callback);
1344 | }
1345 | },
1346 |
1347 | makeShimExports: function (value) {
1348 | function fn() {
1349 | var ret;
1350 | if (value.init) {
1351 | ret = value.init.apply(global, arguments);
1352 | }
1353 | return ret || (value.exports && getGlobal(value.exports));
1354 | }
1355 | return fn;
1356 | },
1357 |
1358 | makeRequire: function (relMap, options) {
1359 | options = options || {};
1360 |
1361 | function localRequire(deps, callback, errback) {
1362 | var id, map, requireMod;
1363 |
1364 | if (options.enableBuildCallback && callback && isFunction(callback)) {
1365 | callback.__requireJsBuild = true;
1366 | }
1367 |
1368 | if (typeof deps === 'string') {
1369 | if (isFunction(callback)) {
1370 | //Invalid call
1371 | return onError(makeError('requireargs', 'Invalid require call'), errback);
1372 | }
1373 |
1374 | //If require|exports|module are requested, get the
1375 | //value for them from the special handlers. Caveat:
1376 | //this only works while module is being defined.
1377 | if (relMap && hasProp(handlers, deps)) {
1378 | return handlers[deps](registry[relMap.id]);
1379 | }
1380 |
1381 | //Synchronous access to one module. If require.get is
1382 | //available (as in the Node adapter), prefer that.
1383 | if (req.get) {
1384 | return req.get(context, deps, relMap, localRequire);
1385 | }
1386 |
1387 | //Normalize module name, if it contains . or ..
1388 | map = makeModuleMap(deps, relMap, false, true);
1389 | id = map.id;
1390 |
1391 | if (!hasProp(defined, id)) {
1392 | return onError(makeError('notloaded', 'Module name "' +
1393 | id +
1394 | '" has not been loaded yet for context: ' +
1395 | contextName +
1396 | (relMap ? '' : '. Use require([])')));
1397 | }
1398 | return defined[id];
1399 | }
1400 |
1401 | //Grab defines waiting in the global queue.
1402 | intakeDefines();
1403 |
1404 | //Mark all the dependencies as needing to be loaded.
1405 | context.nextTick(function () {
1406 | //Some defines could have been added since the
1407 | //require call, collect them.
1408 | intakeDefines();
1409 |
1410 | requireMod = getModule(makeModuleMap(null, relMap));
1411 |
1412 | //Store if map config should be applied to this require
1413 | //call for dependencies.
1414 | requireMod.skipMap = options.skipMap;
1415 |
1416 | requireMod.init(deps, callback, errback, {
1417 | enabled: true
1418 | });
1419 |
1420 | checkLoaded();
1421 | });
1422 |
1423 | return localRequire;
1424 | }
1425 |
1426 | mixin(localRequire, {
1427 | isBrowser: isBrowser,
1428 |
1429 | /**
1430 | * Converts a module name + .extension into an URL path.
1431 | * *Requires* the use of a module name. It does not support using
1432 | * plain URLs like nameToUrl.
1433 | */
1434 | toUrl: function (moduleNamePlusExt) {
1435 | var ext,
1436 | index = moduleNamePlusExt.lastIndexOf('.'),
1437 | segment = moduleNamePlusExt.split('/')[0],
1438 | isRelative = segment === '.' || segment === '..';
1439 |
1440 | //Have a file extension alias, and it is not the
1441 | //dots from a relative path.
1442 | if (index !== -1 && (!isRelative || index > 1)) {
1443 | ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length);
1444 | moduleNamePlusExt = moduleNamePlusExt.substring(0, index);
1445 | }
1446 |
1447 | return context.nameToUrl(normalize(moduleNamePlusExt,
1448 | relMap && relMap.id, true), ext, true);
1449 | },
1450 |
1451 | defined: function (id) {
1452 | return hasProp(defined, makeModuleMap(id, relMap, false, true).id);
1453 | },
1454 |
1455 | specified: function (id) {
1456 | id = makeModuleMap(id, relMap, false, true).id;
1457 | return hasProp(defined, id) || hasProp(registry, id);
1458 | }
1459 | });
1460 |
1461 | //Only allow undef on top level require calls
1462 | if (!relMap) {
1463 | localRequire.undef = function (id) {
1464 | //Bind any waiting define() calls to this context,
1465 | //fix for #408
1466 | takeGlobalQueue();
1467 |
1468 | var map = makeModuleMap(id, relMap, true),
1469 | mod = getOwn(registry, id);
1470 |
1471 | removeScript(id);
1472 |
1473 | delete defined[id];
1474 | delete urlFetched[map.url];
1475 | delete undefEvents[id];
1476 |
1477 | //Clean queued defines too. Go backwards
1478 | //in array so that the splices do not
1479 | //mess up the iteration.
1480 | eachReverse(defQueue, function(args, i) {
1481 | if(args[0] === id) {
1482 | defQueue.splice(i, 1);
1483 | }
1484 | });
1485 |
1486 | if (mod) {
1487 | //Hold on to listeners in case the
1488 | //module will be attempted to be reloaded
1489 | //using a different config.
1490 | if (mod.events.defined) {
1491 | undefEvents[id] = mod.events;
1492 | }
1493 |
1494 | cleanRegistry(id);
1495 | }
1496 | };
1497 | }
1498 |
1499 | return localRequire;
1500 | },
1501 |
1502 | /**
1503 | * Called to enable a module if it is still in the registry
1504 | * awaiting enablement. A second arg, parent, the parent module,
1505 | * is passed in for context, when this method is overridden by
1506 | * the optimizer. Not shown here to keep code compact.
1507 | */
1508 | enable: function (depMap) {
1509 | var mod = getOwn(registry, depMap.id);
1510 | if (mod) {
1511 | getModule(depMap).enable();
1512 | }
1513 | },
1514 |
1515 | /**
1516 | * Internal method used by environment adapters to complete a load event.
1517 | * A load event could be a script load or just a load pass from a synchronous
1518 | * load call.
1519 | * @param {String} moduleName the name of the module to potentially complete.
1520 | */
1521 | completeLoad: function (moduleName) {
1522 | var found, args, mod,
1523 | shim = getOwn(config.shim, moduleName) || {},
1524 | shExports = shim.exports;
1525 |
1526 | takeGlobalQueue();
1527 |
1528 | while (defQueue.length) {
1529 | args = defQueue.shift();
1530 | if (args[0] === null) {
1531 | args[0] = moduleName;
1532 | //If already found an anonymous module and bound it
1533 | //to this name, then this is some other anon module
1534 | //waiting for its completeLoad to fire.
1535 | if (found) {
1536 | break;
1537 | }
1538 | found = true;
1539 | } else if (args[0] === moduleName) {
1540 | //Found matching define call for this script!
1541 | found = true;
1542 | }
1543 |
1544 | callGetModule(args);
1545 | }
1546 |
1547 | //Do this after the cycle of callGetModule in case the result
1548 | //of those calls/init calls changes the registry.
1549 | mod = getOwn(registry, moduleName);
1550 |
1551 | if (!found && !hasProp(defined, moduleName) && mod && !mod.inited) {
1552 | if (config.enforceDefine && (!shExports || !getGlobal(shExports))) {
1553 | if (hasPathFallback(moduleName)) {
1554 | return;
1555 | } else {
1556 | return onError(makeError('nodefine',
1557 | 'No define call for ' + moduleName,
1558 | null,
1559 | [moduleName]));
1560 | }
1561 | } else {
1562 | //A script that does not call define(), so just simulate
1563 | //the call for it.
1564 | callGetModule([moduleName, (shim.deps || []), shim.exportsFn]);
1565 | }
1566 | }
1567 |
1568 | checkLoaded();
1569 | },
1570 |
1571 | /**
1572 | * Converts a module name to a file path. Supports cases where
1573 | * moduleName may actually be just an URL.
1574 | * Note that it **does not** call normalize on the moduleName,
1575 | * it is assumed to have already been normalized. This is an
1576 | * internal API, not a public one. Use toUrl for the public API.
1577 | */
1578 | nameToUrl: function (moduleName, ext, skipExt) {
1579 | var paths, syms, i, parentModule, url,
1580 | parentPath, bundleId,
1581 | pkgMain = getOwn(config.pkgs, moduleName);
1582 |
1583 | if (pkgMain) {
1584 | moduleName = pkgMain;
1585 | }
1586 |
1587 | bundleId = getOwn(bundlesMap, moduleName);
1588 |
1589 | if (bundleId) {
1590 | return context.nameToUrl(bundleId, ext, skipExt);
1591 | }
1592 |
1593 | //If a colon is in the URL, it indicates a protocol is used and it is just
1594 | //an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?)
1595 | //or ends with .js, then assume the user meant to use an url and not a module id.
1596 | //The slash is important for protocol-less URLs as well as full paths.
1597 | if (req.jsExtRegExp.test(moduleName)) {
1598 | //Just a plain path, not module name lookup, so just return it.
1599 | //Add extension if it is included. This is a bit wonky, only non-.js things pass
1600 | //an extension, this method probably needs to be reworked.
1601 | url = moduleName + (ext || '');
1602 | } else {
1603 | //A module that needs to be converted to a path.
1604 | paths = config.paths;
1605 |
1606 | syms = moduleName.split('/');
1607 | //For each module name segment, see if there is a path
1608 | //registered for it. Start with most specific name
1609 | //and work up from it.
1610 | for (i = syms.length; i > 0; i -= 1) {
1611 | parentModule = syms.slice(0, i).join('/');
1612 |
1613 | parentPath = getOwn(paths, parentModule);
1614 | if (parentPath) {
1615 | //If an array, it means there are a few choices,
1616 | //Choose the one that is desired
1617 | if (isArray(parentPath)) {
1618 | parentPath = parentPath[0];
1619 | }
1620 | syms.splice(0, i, parentPath);
1621 | break;
1622 | }
1623 | }
1624 |
1625 | //Join the path parts together, then figure out if baseUrl is needed.
1626 | url = syms.join('/');
1627 | url += (ext || (/^data\:|\?/.test(url) || skipExt ? '' : '.js'));
1628 | url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url;
1629 | }
1630 |
1631 | return config.urlArgs ? url +
1632 | ((url.indexOf('?') === -1 ? '?' : '&') +
1633 | config.urlArgs) : url;
1634 | },
1635 |
1636 | //Delegates to req.load. Broken out as a separate function to
1637 | //allow overriding in the optimizer.
1638 | load: function (id, url) {
1639 | req.load(context, id, url);
1640 | },
1641 |
1642 | /**
1643 | * Executes a module callback function. Broken out as a separate function
1644 | * solely to allow the build system to sequence the files in the built
1645 | * layer in the right sequence.
1646 | *
1647 | * @private
1648 | */
1649 | execCb: function (name, callback, args, exports) {
1650 | return callback.apply(exports, args);
1651 | },
1652 |
1653 | /**
1654 | * callback for script loads, used to check status of loading.
1655 | *
1656 | * @param {Event} evt the event from the browser for the script
1657 | * that was loaded.
1658 | */
1659 | onScriptLoad: function (evt) {
1660 | //Using currentTarget instead of target for Firefox 2.0's sake. Not
1661 | //all old browsers will be supported, but this one was easy enough
1662 | //to support and still makes sense.
1663 | if (evt.type === 'load' ||
1664 | (readyRegExp.test((evt.currentTarget || evt.srcElement).readyState))) {
1665 | //Reset interactive script so a script node is not held onto for
1666 | //to long.
1667 | interactiveScript = null;
1668 |
1669 | //Pull out the name of the module and the context.
1670 | var data = getScriptData(evt);
1671 | context.completeLoad(data.id);
1672 | }
1673 | },
1674 |
1675 | /**
1676 | * Callback for script errors.
1677 | */
1678 | onScriptError: function (evt) {
1679 | var data = getScriptData(evt);
1680 | if (!hasPathFallback(data.id)) {
1681 | return onError(makeError('scripterror', 'Script error for: ' + data.id, evt, [data.id]));
1682 | }
1683 | }
1684 | };
1685 |
1686 | context.require = context.makeRequire();
1687 | return context;
1688 | }
1689 |
1690 | /**
1691 | * Main entry point.
1692 | *
1693 | * If the only argument to require is a string, then the module that
1694 | * is represented by that string is fetched for the appropriate context.
1695 | *
1696 | * If the first argument is an array, then it will be treated as an array
1697 | * of dependency string names to fetch. An optional function callback can
1698 | * be specified to execute when all of those dependencies are available.
1699 | *
1700 | * Make a local req variable to help Caja compliance (it assumes things
1701 | * on a require that are not standardized), and to give a short
1702 | * name for minification/local scope use.
1703 | */
1704 | req = requirejs = function (deps, callback, errback, optional) {
1705 |
1706 | //Find the right context, use default
1707 | var context, config,
1708 | contextName = defContextName;
1709 |
1710 | // Determine if have config object in the call.
1711 | if (!isArray(deps) && typeof deps !== 'string') {
1712 | // deps is a config object
1713 | config = deps;
1714 | if (isArray(callback)) {
1715 | // Adjust args if there are dependencies
1716 | deps = callback;
1717 | callback = errback;
1718 | errback = optional;
1719 | } else {
1720 | deps = [];
1721 | }
1722 | }
1723 |
1724 | if (config && config.context) {
1725 | contextName = config.context;
1726 | }
1727 |
1728 | context = getOwn(contexts, contextName);
1729 | if (!context) {
1730 | context = contexts[contextName] = req.s.newContext(contextName);
1731 | }
1732 |
1733 | if (config) {
1734 | context.configure(config);
1735 | }
1736 |
1737 | return context.require(deps, callback, errback);
1738 | };
1739 |
1740 | /**
1741 | * Support require.config() to make it easier to cooperate with other
1742 | * AMD loaders on globally agreed names.
1743 | */
1744 | req.config = function (config) {
1745 | return req(config);
1746 | };
1747 |
1748 | /**
1749 | * Execute something after the current tick
1750 | * of the event loop. Override for other envs
1751 | * that have a better solution than setTimeout.
1752 | * @param {Function} fn function to execute later.
1753 | */
1754 | req.nextTick = typeof setTimeout !== 'undefined' ? function (fn) {
1755 | setTimeout(fn, 4);
1756 | } : function (fn) { fn(); };
1757 |
1758 | /**
1759 | * Export require as a global, but only if it does not already exist.
1760 | */
1761 | if (!require) {
1762 | require = req;
1763 | }
1764 |
1765 | req.version = version;
1766 |
1767 | //Used to filter out dependencies that are already paths.
1768 | req.jsExtRegExp = /^\/|:|\?|\.js$/;
1769 | req.isBrowser = isBrowser;
1770 | s = req.s = {
1771 | contexts: contexts,
1772 | newContext: newContext
1773 | };
1774 |
1775 | //Create default context.
1776 | req({});
1777 |
1778 | //Exports some context-sensitive methods on global require.
1779 | each([
1780 | 'toUrl',
1781 | 'undef',
1782 | 'defined',
1783 | 'specified'
1784 | ], function (prop) {
1785 | //Reference from contexts instead of early binding to default context,
1786 | //so that during builds, the latest instance of the default context
1787 | //with its config gets used.
1788 | req[prop] = function () {
1789 | var ctx = contexts[defContextName];
1790 | return ctx.require[prop].apply(ctx, arguments);
1791 | };
1792 | });
1793 |
1794 | if (isBrowser) {
1795 | head = s.head = document.getElementsByTagName('head')[0];
1796 | //If BASE tag is in play, using appendChild is a problem for IE6.
1797 | //When that browser dies, this can be removed. Details in this jQuery bug:
1798 | //http://dev.jquery.com/ticket/2709
1799 | baseElement = document.getElementsByTagName('base')[0];
1800 | if (baseElement) {
1801 | head = s.head = baseElement.parentNode;
1802 | }
1803 | }
1804 |
1805 | /**
1806 | * Any errors that require explicitly generates will be passed to this
1807 | * function. Intercept/override it if you want custom error handling.
1808 | * @param {Error} err the error object.
1809 | */
1810 | req.onError = defaultOnError;
1811 |
1812 | /**
1813 | * Creates the node for the load command. Only used in browser envs.
1814 | */
1815 | req.createNode = function (config, moduleName, url) {
1816 | var node = config.xhtml ?
1817 | document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') :
1818 | document.createElement('script');
1819 | node.type = config.scriptType || 'text/javascript';
1820 | node.charset = 'utf-8';
1821 | node.async = true;
1822 | return node;
1823 | };
1824 |
1825 | /**
1826 | * Does the request to load a module for the browser case.
1827 | * Make this a separate function to allow other environments
1828 | * to override it.
1829 | *
1830 | * @param {Object} context the require context to find state.
1831 | * @param {String} moduleName the name of the module.
1832 | * @param {Object} url the URL to the module.
1833 | */
1834 | req.load = function (context, moduleName, url) {
1835 | var config = (context && context.config) || {},
1836 | node;
1837 | if (isBrowser) {
1838 | //In the browser so use a script tag
1839 | node = req.createNode(config, moduleName, url);
1840 |
1841 | node.setAttribute('data-requirecontext', context.contextName);
1842 | node.setAttribute('data-requiremodule', moduleName);
1843 |
1844 | //Set up load listener. Test attachEvent first because IE9 has
1845 | //a subtle issue in its addEventListener and script onload firings
1846 | //that do not match the behavior of all other browsers with
1847 | //addEventListener support, which fire the onload event for a
1848 | //script right after the script execution. See:
1849 | //https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution
1850 | //UNFORTUNATELY Opera implements attachEvent but does not follow the script
1851 | //script execution mode.
1852 | if (node.attachEvent &&
1853 | //Check if node.attachEvent is artificially added by custom script or
1854 | //natively supported by browser
1855 | //read https://github.com/jrburke/requirejs/issues/187
1856 | //if we can NOT find [native code] then it must NOT natively supported.
1857 | //in IE8, node.attachEvent does not have toString()
1858 | //Note the test for "[native code" with no closing brace, see:
1859 | //https://github.com/jrburke/requirejs/issues/273
1860 | !(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) &&
1861 | !isOpera) {
1862 | //Probably IE. IE (at least 6-8) do not fire
1863 | //script onload right after executing the script, so
1864 | //we cannot tie the anonymous define call to a name.
1865 | //However, IE reports the script as being in 'interactive'
1866 | //readyState at the time of the define call.
1867 | useInteractive = true;
1868 |
1869 | node.attachEvent('onreadystatechange', context.onScriptLoad);
1870 | //It would be great to add an error handler here to catch
1871 | //404s in IE9+. However, onreadystatechange will fire before
1872 | //the error handler, so that does not help. If addEventListener
1873 | //is used, then IE will fire error before load, but we cannot
1874 | //use that pathway given the connect.microsoft.com issue
1875 | //mentioned above about not doing the 'script execute,
1876 | //then fire the script load event listener before execute
1877 | //next script' that other browsers do.
1878 | //Best hope: IE10 fixes the issues,
1879 | //and then destroys all installs of IE 6-9.
1880 | //node.attachEvent('onerror', context.onScriptError);
1881 | } else {
1882 | node.addEventListener('load', context.onScriptLoad, false);
1883 | node.addEventListener('error', context.onScriptError, false);
1884 | }
1885 | node.src = url;
1886 |
1887 | //For some cache cases in IE 6-8, the script executes before the end
1888 | //of the appendChild execution, so to tie an anonymous define
1889 | //call to the module name (which is stored on the node), hold on
1890 | //to a reference to this node, but clear after the DOM insertion.
1891 | currentlyAddingScript = node;
1892 | if (baseElement) {
1893 | head.insertBefore(node, baseElement);
1894 | } else {
1895 | head.appendChild(node);
1896 | }
1897 | currentlyAddingScript = null;
1898 |
1899 | return node;
1900 | } else if (isWebWorker) {
1901 | try {
1902 | //In a web worker, use importScripts. This is not a very
1903 | //efficient use of importScripts, importScripts will block until
1904 | //its script is downloaded and evaluated. However, if web workers
1905 | //are in play, the expectation that a build has been done so that
1906 | //only one script needs to be loaded anyway. This may need to be
1907 | //reevaluated if other use cases become common.
1908 | importScripts(url);
1909 |
1910 | //Account for anonymous modules
1911 | context.completeLoad(moduleName);
1912 | } catch (e) {
1913 | context.onError(makeError('importscripts',
1914 | 'importScripts failed for ' +
1915 | moduleName + ' at ' + url,
1916 | e,
1917 | [moduleName]));
1918 | }
1919 | }
1920 | };
1921 |
1922 | function getInteractiveScript() {
1923 | if (interactiveScript && interactiveScript.readyState === 'interactive') {
1924 | return interactiveScript;
1925 | }
1926 |
1927 | eachReverse(scripts(), function (script) {
1928 | if (script.readyState === 'interactive') {
1929 | return (interactiveScript = script);
1930 | }
1931 | });
1932 | return interactiveScript;
1933 | }
1934 |
1935 | //Look for a data-main script attribute, which could also adjust the baseUrl.
1936 | if (isBrowser && !cfg.skipDataMain) {
1937 | //Figure out baseUrl. Get it from the script tag with require.js in it.
1938 | eachReverse(scripts(), function (script) {
1939 | //Set the 'head' where we can append children by
1940 | //using the script's parent.
1941 | if (!head) {
1942 | head = script.parentNode;
1943 | }
1944 |
1945 | //Look for a data-main attribute to set main script for the page
1946 | //to load. If it is there, the path to data main becomes the
1947 | //baseUrl, if it is not already set.
1948 | dataMain = script.getAttribute('data-main');
1949 | if (dataMain) {
1950 | //Preserve dataMain in case it is a path (i.e. contains '?')
1951 | mainScript = dataMain;
1952 |
1953 | //Set final baseUrl if there is not already an explicit one.
1954 | if (!cfg.baseUrl) {
1955 | //Pull off the directory of data-main for use as the
1956 | //baseUrl.
1957 | src = mainScript.split('/');
1958 | mainScript = src.pop();
1959 | subPath = src.length ? src.join('/') + '/' : './';
1960 |
1961 | cfg.baseUrl = subPath;
1962 | }
1963 |
1964 | //Strip off any trailing .js since mainScript is now
1965 | //like a module name.
1966 | mainScript = mainScript.replace(jsSuffixRegExp, '');
1967 |
1968 | //If mainScript is still a path, fall back to dataMain
1969 | if (req.jsExtRegExp.test(mainScript)) {
1970 | mainScript = dataMain;
1971 | }
1972 |
1973 | //Put the data-main script in the files to load.
1974 | cfg.deps = cfg.deps ? cfg.deps.concat(mainScript) : [mainScript];
1975 |
1976 | return true;
1977 | }
1978 | });
1979 | }
1980 |
1981 | /**
1982 | * The function that handles definitions of modules. Differs from
1983 | * require() in that a string for the module should be the first argument,
1984 | * and the function to execute after dependencies are loaded should
1985 | * return a value to define the module corresponding to the first argument's
1986 | * name.
1987 | */
1988 | define = function (name, deps, callback) {
1989 | var node, context;
1990 |
1991 | //Allow for anonymous modules
1992 | if (typeof name !== 'string') {
1993 | //Adjust args appropriately
1994 | callback = deps;
1995 | deps = name;
1996 | name = null;
1997 | }
1998 |
1999 | //This module may not have dependencies
2000 | if (!isArray(deps)) {
2001 | callback = deps;
2002 | deps = null;
2003 | }
2004 |
2005 | //If no name, and callback is a function, then figure out if it a
2006 | //CommonJS thing with dependencies.
2007 | if (!deps && isFunction(callback)) {
2008 | deps = [];
2009 | //Remove comments from the callback string,
2010 | //look for require calls, and pull them into the dependencies,
2011 | //but only if there are function args.
2012 | if (callback.length) {
2013 | callback
2014 | .toString()
2015 | .replace(commentRegExp, '')
2016 | .replace(cjsRequireRegExp, function (match, dep) {
2017 | deps.push(dep);
2018 | });
2019 |
2020 | //May be a CommonJS thing even without require calls, but still
2021 | //could use exports, and module. Avoid doing exports and module
2022 | //work though if it just needs require.
2023 | //REQUIRES the function to expect the CommonJS variables in the
2024 | //order listed below.
2025 | deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps);
2026 | }
2027 | }
2028 |
2029 | //If in IE 6-8 and hit an anonymous define() call, do the interactive
2030 | //work.
2031 | if (useInteractive) {
2032 | node = currentlyAddingScript || getInteractiveScript();
2033 | if (node) {
2034 | if (!name) {
2035 | name = node.getAttribute('data-requiremodule');
2036 | }
2037 | context = contexts[node.getAttribute('data-requirecontext')];
2038 | }
2039 | }
2040 |
2041 | //Always save off evaluating the def call until the script onload handler.
2042 | //This allows multiple modules to be in a file without prematurely
2043 | //tracing dependencies, and allows for anonymous module support,
2044 | //where the module name is not known until the script onload event
2045 | //occurs. If no context, use the global queue, and get it processed
2046 | //in the onscript load callback.
2047 | (context ? context.defQueue : globalDefQueue).push([name, deps, callback]);
2048 | };
2049 |
2050 | define.amd = {
2051 | jQuery: true
2052 | };
2053 |
2054 |
2055 | /**
2056 | * Executes the text. Normally just uses eval, but can be modified
2057 | * to use a better, environment-specific call. Only used for transpiling
2058 | * loader plugins, not for plain JS modules.
2059 | * @param {String} text the text to execute/evaluate.
2060 | */
2061 | req.exec = function (text) {
2062 | /*jslint evil: true */
2063 | return eval(text);
2064 | };
2065 |
2066 | //Set up with config info.
2067 | req(cfg);
2068 | }(this));
2069 |
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