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/** vim: et:ts=4:sw=4:sts=4
2
 * @license RequireJS 2.3.5 Copyright jQuery Foundation and other contributors.
3
 * Released under MIT license, https://github.com/requirejs/requirejs/blob/master/LICENSE
4
 */
5
//Not using strict: uneven strict support in browsers, #392, and causes
6
//problems with requirejs.exec()/transpiler plugins that may not be strict.
7
/*jslint regexp: true, nomen: true, sloppy: true */
8
/*global window, navigator, document, importScripts, setTimeout, opera */
9
 
10
var requirejs, require, define;
11
(function (global, setTimeout) {
12
    var req, s, head, baseElement, dataMain, src,
13
        interactiveScript, currentlyAddingScript, mainScript, subPath,
14
        version = '2.3.5',
15
        commentRegExp = /\/\*[\s\S]*?\*\/|([^:"'=]|^)\/\/.*$/mg,
16
        cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g,
17
        jsSuffixRegExp = /\.js$/,
18
        currDirRegExp = /^\.\//,
19
        op = Object.prototype,
20
        ostring = op.toString,
21
        hasOwn = op.hasOwnProperty,
22
        isBrowser = !!(typeof window !== 'undefined' && typeof navigator !== 'undefined' && window.document),
23
        isWebWorker = !isBrowser && typeof importScripts !== 'undefined',
24
        //PS3 indicates loaded and complete, but need to wait for complete
25
        //specifically. Sequence is 'loading', 'loaded', execution,
26
        // then 'complete'. The UA check is unfortunate, but not sure how
27
        //to feature test w/o causing perf issues.
28
        readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ?
29
                      /^complete$/ : /^(complete|loaded)$/,
30
        defContextName = '_',
31
        //Oh the tragedy, detecting opera. See the usage of isOpera for reason.
32
        isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]',
33
        contexts = {},
34
        cfg = {},
35
        globalDefQueue = [],
36
        useInteractive = false;
37
 
38
    //Could match something like ')//comment', do not lose the prefix to comment.
39
    function commentReplace(match, singlePrefix) {
40
        return singlePrefix || '';
41
    }
42
 
43
    function isFunction(it) {
44
        return ostring.call(it) === '[object Function]';
45
    }
46
 
47
    function isArray(it) {
48
        return ostring.call(it) === '[object Array]';
49
    }
50
 
51
    /**
52
     * Helper function for iterating over an array. If the func returns
53
     * a true value, it will break out of the loop.
54
     */
55
    function each(ary, func) {
56
        if (ary) {
57
            var i;
58
            for (i = 0; i < ary.length; i += 1) {
59
                if (ary[i] && func(ary[i], i, ary)) {
60
                    break;
61
                }
62
            }
63
        }
64
    }
65
 
66
    /**
67
     * Helper function for iterating over an array backwards. If the func
68
     * returns a true value, it will break out of the loop.
69
     */
70
    function eachReverse(ary, func) {
71
        if (ary) {
72
            var i;
73
            for (i = ary.length - 1; i > -1; i -= 1) {
74
                if (ary[i] && func(ary[i], i, ary)) {
75
                    break;
76
                }
77
            }
78
        }
79
    }
80
 
81
    function hasProp(obj, prop) {
82
        return hasOwn.call(obj, prop);
83
    }
84
 
85
    function getOwn(obj, prop) {
86
        return hasProp(obj, prop) && obj[prop];
87
    }
88
 
89
    /**
90
     * Cycles over properties in an object and calls a function for each
91
     * property value. If the function returns a truthy value, then the
92
     * iteration is stopped.
93
     */
94
    function eachProp(obj, func) {
95
        var prop;
96
        for (prop in obj) {
97
            if (hasProp(obj, prop)) {
98
                if (func(obj[prop], prop)) {
99
                    break;
100
                }
101
            }
102
        }
103
    }
104
 
105
    /**
106
     * Simple function to mix in properties from source into target,
107
     * but only if target does not already have a property of the same name.
108
     */
109
    function mixin(target, source, force, deepStringMixin) {
110
        if (source) {
111
            eachProp(source, function (value, prop) {
112
                if (force || !hasProp(target, prop)) {
113
                    if (deepStringMixin && typeof value === 'object' && value &&
114
                        !isArray(value) && !isFunction(value) &&
115
                        !(value instanceof RegExp)) {
116
 
117
                        if (!target[prop]) {
118
                            target[prop] = {};
119
                        }
120
                        mixin(target[prop], value, force, deepStringMixin);
121
                    } else {
122
                        target[prop] = value;
123
                    }
124
                }
125
            });
126
        }
127
        return target;
128
    }
129
 
130
    //Similar to Function.prototype.bind, but the 'this' object is specified
131
    //first, since it is easier to read/figure out what 'this' will be.
132
    function bind(obj, fn) {
133
        return function () {
134
            return fn.apply(obj, arguments);
135
        };
136
    }
137
 
138
    function scripts() {
139
        return document.getElementsByTagName('script');
140
    }
141
 
142
    function defaultOnError(err) {
143
        throw err;
144
    }
145
 
146
    //Allow getting a global that is expressed in
147
    //dot notation, like 'a.b.c'.
148
    function getGlobal(value) {
149
        if (!value) {
150
            return value;
151
        }
152
        var g = global;
153
        each(value.split('.'), function (part) {
154
            g = g[part];
155
        });
156
        return g;
157
    }
158
 
159
    /**
160
     * Constructs an error with a pointer to an URL with more information.
161
     * @param {String} id the error ID that maps to an ID on a web page.
162
     * @param {String} message human readable error.
163
     * @param {Error} [err] the original error, if there is one.
164
     *
165
     * @returns {Error}
166
     */
167
    function makeError(id, msg, err, requireModules) {
168
        var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id);
169
        e.requireType = id;
170
        e.requireModules = requireModules;
171
        if (err) {
172
            e.originalError = err;
173
        }
174
        return e;
175
    }
176
 
177
    if (typeof define !== 'undefined') {
178
        //If a define is already in play via another AMD loader,
179
        //do not overwrite.
180
        return;
181
    }
182
 
183
    if (typeof requirejs !== 'undefined') {
184
        if (isFunction(requirejs)) {
185
            //Do not overwrite an existing requirejs instance.
186
            return;
187
        }
188
        cfg = requirejs;
189
        requirejs = undefined;
190
    }
191
 
192
    //Allow for a require config object
193
    if (typeof require !== 'undefined' && !isFunction(require)) {
194
        //assume it is a config object.
195
        cfg = require;
196
        require = undefined;
197
    }
198
 
199
    function newContext(contextName) {
200
        var inCheckLoaded, Module, context, handlers,
201
            checkLoadedTimeoutId,
202
            config = {
203
                //Defaults. Do not set a default for map
204
                //config to speed up normalize(), which
205
                //will run faster if there is no default.
206
                waitSeconds: 7,
207
                baseUrl: './',
208
                paths: {},
209
                bundles: {},
210
                pkgs: {},
211
                shim: {},
212
                config: {}
213
            },
214
            registry = {},
215
            //registry of just enabled modules, to speed
216
            //cycle breaking code when lots of modules
217
            //are registered, but not activated.
218
            enabledRegistry = {},
219
            undefEvents = {},
220
            defQueue = [],
221
            defined = {},
222
            urlFetched = {},
223
            bundlesMap = {},
224
            requireCounter = 1,
225
            unnormalizedCounter = 1;
226
 
227
        /**
228
         * Trims the . and .. from an array of path segments.
229
         * It will keep a leading path segment if a .. will become
230
         * the first path segment, to help with module name lookups,
231
         * which act like paths, but can be remapped. But the end result,
232
         * all paths that use this function should look normalized.
233
         * NOTE: this method MODIFIES the input array.
234
         * @param {Array} ary the array of path segments.
235
         */
236
        function trimDots(ary) {
237
            var i, part;
238
            for (i = 0; i < ary.length; i++) {
239
                part = ary[i];
240
                if (part === '.') {
241
                    ary.splice(i, 1);
242
                    i -= 1;
243
                } else if (part === '..') {
244
                    // If at the start, or previous value is still ..,
245
                    // keep them so that when converted to a path it may
246
                    // still work when converted to a path, even though
247
                    // as an ID it is less than ideal. In larger point
248
                    // releases, may be better to just kick out an error.
249
                    if (i === 0 || (i === 1 && ary[2] === '..') || ary[i - 1] === '..') {
250
                        continue;
251
                    } else if (i > 0) {
252
                        ary.splice(i - 1, 2);
253
                        i -= 2;
254
                    }
255
                }
256
            }
257
        }
258
 
259
        /**
260
         * Given a relative module name, like ./something, normalize it to
261
         * a real name that can be mapped to a path.
262
         * @param {String} name the relative name
263
         * @param {String} baseName a real name that the name arg is relative
264
         * to.
265
         * @param {Boolean} applyMap apply the map config to the value. Should
266
         * only be done if this normalization is for a dependency ID.
267
         * @returns {String} normalized name
268
         */
269
        function normalize(name, baseName, applyMap) {
270
            var pkgMain, mapValue, nameParts, i, j, nameSegment, lastIndex,
271
                foundMap, foundI, foundStarMap, starI, normalizedBaseParts,
272
                baseParts = (baseName && baseName.split('/')),
273
                map = config.map,
274
                starMap = map && map['*'];
275
 
276
            //Adjust any relative paths.
277
            if (name) {
278
                name = name.split('/');
279
                lastIndex = name.length - 1;
280
 
281
                // If wanting node ID compatibility, strip .js from end
282
                // of IDs. Have to do this here, and not in nameToUrl
283
                // because node allows either .js or non .js to map
284
                // to same file.
285
                if (config.nodeIdCompat && jsSuffixRegExp.test(name[lastIndex])) {
286
                    name[lastIndex] = name[lastIndex].replace(jsSuffixRegExp, '');
287
                }
288
 
289
                // Starts with a '.' so need the baseName
290
                if (name[0].charAt(0) === '.' && baseParts) {
291
                    //Convert baseName to array, and lop off the last part,
292
                    //so that . matches that 'directory' and not name of the baseName's
293
                    //module. For instance, baseName of 'one/two/three', maps to
294
                    //'one/two/three.js', but we want the directory, 'one/two' for
295
                    //this normalization.
296
                    normalizedBaseParts = baseParts.slice(0, baseParts.length - 1);
297
                    name = normalizedBaseParts.concat(name);
298
                }
299
 
300
                trimDots(name);
301
                name = name.join('/');
302
            }
303
 
304
            //Apply map config if available.
305
            if (applyMap && map && (baseParts || starMap)) {
306
                nameParts = name.split('/');
307
 
308
                outerLoop: for (i = nameParts.length; i > 0; i -= 1) {
309
                    nameSegment = nameParts.slice(0, i).join('/');
310
 
311
                    if (baseParts) {
312
                        //Find the longest baseName segment match in the config.
313
                        //So, do joins on the biggest to smallest lengths of baseParts.
314
                        for (j = baseParts.length; j > 0; j -= 1) {
315
                            mapValue = getOwn(map, baseParts.slice(0, j).join('/'));
316
 
317
                            //baseName segment has config, find if it has one for
318
                            //this name.
319
                            if (mapValue) {
320
                                mapValue = getOwn(mapValue, nameSegment);
321
                                if (mapValue) {
322
                                    //Match, update name to the new value.
323
                                    foundMap = mapValue;
324
                                    foundI = i;
325
                                    break outerLoop;
326
                                }
327
                            }
328
                        }
329
                    }
330
 
331
                    //Check for a star map match, but just hold on to it,
332
                    //if there is a shorter segment match later in a matching
333
                    //config, then favor over this star map.
334
                    if (!foundStarMap && starMap && getOwn(starMap, nameSegment)) {
335
                        foundStarMap = getOwn(starMap, nameSegment);
336
                        starI = i;
337
                    }
338
                }
339
 
340
                if (!foundMap && foundStarMap) {
341
                    foundMap = foundStarMap;
342
                    foundI = starI;
343
                }
344
 
345
                if (foundMap) {
346
                    nameParts.splice(0, foundI, foundMap);
347
                    name = nameParts.join('/');
348
                }
349
            }
350
 
351
            // If the name points to a package's name, use
352
            // the package main instead.
353
            pkgMain = getOwn(config.pkgs, name);
354
 
355
            return pkgMain ? pkgMain : name;
356
        }
357
 
358
        function removeScript(name) {
359
            if (isBrowser) {
360
                each(scripts(), function (scriptNode) {
361
                    if (scriptNode.getAttribute('data-requiremodule') === name &&
362
                            scriptNode.getAttribute('data-requirecontext') === context.contextName) {
363
                        scriptNode.parentNode.removeChild(scriptNode);
364
                        return true;
365
                    }
366
                });
367
            }
368
        }
369
 
370
        function hasPathFallback(id) {
371
            var pathConfig = getOwn(config.paths, id);
372
            if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) {
373
                //Pop off the first array value, since it failed, and
374
                //retry
375
                pathConfig.shift();
376
                context.require.undef(id);
377
 
378
                //Custom require that does not do map translation, since
379
                //ID is "absolute", already mapped/resolved.
380
                context.makeRequire(null, {
381
                    skipMap: true
382
                })([id]);
383
 
384
                return true;
385
            }
386
        }
387
 
388
        //Turns a plugin!resource to [plugin, resource]
389
        //with the plugin being undefined if the name
390
        //did not have a plugin prefix.
391
        function splitPrefix(name) {
392
            var prefix,
393
                index = name ? name.indexOf('!') : -1;
394
            if (index > -1) {
395
                prefix = name.substring(0, index);
396
                name = name.substring(index + 1, name.length);
397
            }
398
            return [prefix, name];
399
        }
400
 
401
        /**
402
         * Creates a module mapping that includes plugin prefix, module
403
         * name, and path. If parentModuleMap is provided it will
404
         * also normalize the name via require.normalize()
405
         *
406
         * @param {String} name the module name
407
         * @param {String} [parentModuleMap] parent module map
408
         * for the module name, used to resolve relative names.
409
         * @param {Boolean} isNormalized: is the ID already normalized.
410
         * This is true if this call is done for a define() module ID.
411
         * @param {Boolean} applyMap: apply the map config to the ID.
412
         * Should only be true if this map is for a dependency.
413
         *
414
         * @returns {Object}
415
         */
416
        function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) {
417
            var url, pluginModule, suffix, nameParts,
418
                prefix = null,
419
                parentName = parentModuleMap ? parentModuleMap.name : null,
420
                originalName = name,
421
                isDefine = true,
422
                normalizedName = '';
423
 
424
            //If no name, then it means it is a require call, generate an
425
            //internal name.
426
            if (!name) {
427
                isDefine = false;
428
                name = '_@r' + (requireCounter += 1);
429
            }
430
 
431
            nameParts = splitPrefix(name);
432
            prefix = nameParts[0];
433
            name = nameParts[1];
434
 
435
            if (prefix) {
436
                prefix = normalize(prefix, parentName, applyMap);
437
                pluginModule = getOwn(defined, prefix);
438
            }
439
 
440
            //Account for relative paths if there is a base name.
441
            if (name) {
442
                if (prefix) {
443
                    if (isNormalized) {
444
                        normalizedName = name;
445
                    } else if (pluginModule && pluginModule.normalize) {
446
                        //Plugin is loaded, use its normalize method.
447
                        normalizedName = pluginModule.normalize(name, function (name) {
448
                            return normalize(name, parentName, applyMap);
449
                        });
450
                    } else {
451
                        // If nested plugin references, then do not try to
452
                        // normalize, as it will not normalize correctly. This
453
                        // places a restriction on resourceIds, and the longer
454
                        // term solution is not to normalize until plugins are
455
                        // loaded and all normalizations to allow for async
456
                        // loading of a loader plugin. But for now, fixes the
457
                        // common uses. Details in #1131
458
                        normalizedName = name.indexOf('!') === -1 ?
459
                                         normalize(name, parentName, applyMap) :
460
                                         name;
461
                    }
462
                } else {
463
                    //A regular module.
464
                    normalizedName = normalize(name, parentName, applyMap);
465
 
466
                    //Normalized name may be a plugin ID due to map config
467
                    //application in normalize. The map config values must
468
                    //already be normalized, so do not need to redo that part.
469
                    nameParts = splitPrefix(normalizedName);
470
                    prefix = nameParts[0];
471
                    normalizedName = nameParts[1];
472
                    isNormalized = true;
473
 
474
                    url = context.nameToUrl(normalizedName);
475
                }
476
            }
477
 
478
            //If the id is a plugin id that cannot be determined if it needs
479
            //normalization, stamp it with a unique ID so two matching relative
480
            //ids that may conflict can be separate.
481
            suffix = prefix && !pluginModule && !isNormalized ?
482
                     '_unnormalized' + (unnormalizedCounter += 1) :
483
                     '';
484
 
485
            return {
486
                prefix: prefix,
487
                name: normalizedName,
488
                parentMap: parentModuleMap,
489
                unnormalized: !!suffix,
490
                url: url,
491
                originalName: originalName,
492
                isDefine: isDefine,
493
                id: (prefix ?
494
                        prefix + '!' + normalizedName :
495
                        normalizedName) + suffix
496
            };
497
        }
498
 
499
        function getModule(depMap) {
500
            var id = depMap.id,
501
                mod = getOwn(registry, id);
502
 
503
            if (!mod) {
504
                mod = registry[id] = new context.Module(depMap);
505
            }
506
 
507
            return mod;
508
        }
509
 
510
        function on(depMap, name, fn) {
511
            var id = depMap.id,
512
                mod = getOwn(registry, id);
513
 
514
            if (hasProp(defined, id) &&
515
                    (!mod || mod.defineEmitComplete)) {
516
                if (name === 'defined') {
517
                    fn(defined[id]);
518
                }
519
            } else {
520
                mod = getModule(depMap);
521
                if (mod.error && name === 'error') {
522
                    fn(mod.error);
523
                } else {
524
                    mod.on(name, fn);
525
                }
526
            }
527
        }
528
 
529
        function onError(err, errback) {
530
            var ids = err.requireModules,
531
                notified = false;
532
 
533
            if (errback) {
534
                errback(err);
535
            } else {
536
                each(ids, function (id) {
537
                    var mod = getOwn(registry, id);
538
                    if (mod) {
539
                        //Set error on module, so it skips timeout checks.
540
                        mod.error = err;
541
                        if (mod.events.error) {
542
                            notified = true;
543
                            mod.emit('error', err);
544
                        }
545
                    }
546
                });
547
 
548
                if (!notified) {
549
                    req.onError(err);
550
                }
551
            }
552
        }
553
 
554
        /**
555
         * Internal method to transfer globalQueue items to this context's
556
         * defQueue.
557
         */
558
        function takeGlobalQueue() {
559
            //Push all the globalDefQueue items into the context's defQueue
560
            if (globalDefQueue.length) {
561
                each(globalDefQueue, function(queueItem) {
562
                    var id = queueItem[0];
563
                    if (typeof id === 'string') {
564
                        context.defQueueMap[id] = true;
565
                    }
566
                    defQueue.push(queueItem);
567
                });
568
                globalDefQueue = [];
569
            }
570
        }
571
 
572
        handlers = {
573
            'require': function (mod) {
574
                if (mod.require) {
575
                    return mod.require;
576
                } else {
577
                    return (mod.require = context.makeRequire(mod.map));
578
                }
579
            },
580
            'exports': function (mod) {
581
                mod.usingExports = true;
582
                if (mod.map.isDefine) {
583
                    if (mod.exports) {
584
                        return (defined[mod.map.id] = mod.exports);
585
                    } else {
586
                        return (mod.exports = defined[mod.map.id] = {});
587
                    }
588
                }
589
            },
590
            'module': function (mod) {
591
                if (mod.module) {
592
                    return mod.module;
593
                } else {
594
                    return (mod.module = {
595
                        id: mod.map.id,
596
                        uri: mod.map.url,
597
                        config: function () {
598
                            return getOwn(config.config, mod.map.id) || {};
599
                        },
600
                        exports: mod.exports || (mod.exports = {})
601
                    });
602
                }
603
            }
604
        };
605
 
606
        function cleanRegistry(id) {
607
            //Clean up machinery used for waiting modules.
608
            delete registry[id];
609
            delete enabledRegistry[id];
610
        }
611
 
612
        function breakCycle(mod, traced, processed) {
613
            var id = mod.map.id;
614
 
615
            if (mod.error) {
616
                mod.emit('error', mod.error);
617
            } else {
618
                traced[id] = true;
619
                each(mod.depMaps, function (depMap, i) {
620
                    var depId = depMap.id,
621
                        dep = getOwn(registry, depId);
622
 
623
                    //Only force things that have not completed
624
                    //being defined, so still in the registry,
625
                    //and only if it has not been matched up
626
                    //in the module already.
627
                    if (dep && !mod.depMatched[i] && !processed[depId]) {
628
                        if (getOwn(traced, depId)) {
629
                            mod.defineDep(i, defined[depId]);
630
                            mod.check(); //pass false?
631
                        } else {
632
                            breakCycle(dep, traced, processed);
633
                        }
634
                    }
635
                });
636
                processed[id] = true;
637
            }
638
        }
639
 
640
        function checkLoaded() {
641
            var err, usingPathFallback,
642
                waitInterval = config.waitSeconds * 1000,
643
                //It is possible to disable the wait interval by using waitSeconds of 0.
644
                expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(),
645
                noLoads = [],
646
                reqCalls = [],
647
                stillLoading = false,
648
                needCycleCheck = true;
649
 
650
            //Do not bother if this call was a result of a cycle break.
651
            if (inCheckLoaded) {
652
                return;
653
            }
654
 
655
            inCheckLoaded = true;
656
 
657
            //Figure out the state of all the modules.
658
            eachProp(enabledRegistry, function (mod) {
659
                var map = mod.map,
660
                    modId = map.id;
661
 
662
                //Skip things that are not enabled or in error state.
663
                if (!mod.enabled) {
664
                    return;
665
                }
666
 
667
                if (!map.isDefine) {
668
                    reqCalls.push(mod);
669
                }
670
 
671
                if (!mod.error) {
672
                    //If the module should be executed, and it has not
673
                    //been inited and time is up, remember it.
674
                    if (!mod.inited && expired) {
675
                        if (hasPathFallback(modId)) {
676
                            usingPathFallback = true;
677
                            stillLoading = true;
678
                        } else {
679
                            noLoads.push(modId);
680
                            removeScript(modId);
681
                        }
682
                    } else if (!mod.inited && mod.fetched && map.isDefine) {
683
                        stillLoading = true;
684
                        if (!map.prefix) {
685
                            //No reason to keep looking for unfinished
686
                            //loading. If the only stillLoading is a
687
                            //plugin resource though, keep going,
688
                            //because it may be that a plugin resource
689
                            //is waiting on a non-plugin cycle.
690
                            return (needCycleCheck = false);
691
                        }
692
                    }
693
                }
694
            });
695
 
696
            if (expired && noLoads.length) {
697
                //If wait time expired, throw error of unloaded modules.
698
                err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads);
699
                err.contextName = context.contextName;
700
                return onError(err);
701
            }
702
 
703
            //Not expired, check for a cycle.
704
            if (needCycleCheck) {
705
                each(reqCalls, function (mod) {
706
                    breakCycle(mod, {}, {});
707
                });
708
            }
709
 
710
            //If still waiting on loads, and the waiting load is something
711
            //other than a plugin resource, or there are still outstanding
712
            //scripts, then just try back later.
713
            if ((!expired || usingPathFallback) && stillLoading) {
714
                //Something is still waiting to load. Wait for it, but only
715
                //if a timeout is not already in effect.
716
                if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) {
717
                    checkLoadedTimeoutId = setTimeout(function () {
718
                        checkLoadedTimeoutId = 0;
719
                        checkLoaded();
720
                    }, 50);
721
                }
722
            }
723
 
724
            inCheckLoaded = false;
725
        }
726
 
727
        Module = function (map) {
728
            this.events = getOwn(undefEvents, map.id) || {};
729
            this.map = map;
730
            this.shim = getOwn(config.shim, map.id);
731
            this.depExports = [];
732
            this.depMaps = [];
733
            this.depMatched = [];
734
            this.pluginMaps = {};
735
            this.depCount = 0;
736
 
737
            /* this.exports this.factory
738
               this.depMaps = [],
739
               this.enabled, this.fetched
740
            */
741
        };
742
 
743
        Module.prototype = {
744
            init: function (depMaps, factory, errback, options) {
745
                options = options || {};
746
 
747
                //Do not do more inits if already done. Can happen if there
748
                //are multiple define calls for the same module. That is not
749
                //a normal, common case, but it is also not unexpected.
750
                if (this.inited) {
751
                    return;
752
                }
753
 
754
                this.factory = factory;
755
 
756
                if (errback) {
757
                    //Register for errors on this module.
758
                    this.on('error', errback);
759
                } else if (this.events.error) {
760
                    //If no errback already, but there are error listeners
761
                    //on this module, set up an errback to pass to the deps.
762
                    errback = bind(this, function (err) {
763
                        this.emit('error', err);
764
                    });
765
                }
766
 
767
                //Do a copy of the dependency array, so that
768
                //source inputs are not modified. For example
769
                //"shim" deps are passed in here directly, and
770
                //doing a direct modification of the depMaps array
771
                //would affect that config.
772
                this.depMaps = depMaps && depMaps.slice(0);
773
 
774
                this.errback = errback;
775
 
776
                //Indicate this module has be initialized
777
                this.inited = true;
778
 
779
                this.ignore = options.ignore;
780
 
781
                //Could have option to init this module in enabled mode,
782
                //or could have been previously marked as enabled. However,
783
                //the dependencies are not known until init is called. So
784
                //if enabled previously, now trigger dependencies as enabled.
785
                if (options.enabled || this.enabled) {
786
                    //Enable this module and dependencies.
787
                    //Will call this.check()
788
                    this.enable();
789
                } else {
790
                    this.check();
791
                }
792
            },
793
 
794
            defineDep: function (i, depExports) {
795
                //Because of cycles, defined callback for a given
796
                //export can be called more than once.
797
                if (!this.depMatched[i]) {
798
                    this.depMatched[i] = true;
799
                    this.depCount -= 1;
800
                    this.depExports[i] = depExports;
801
                }
802
            },
803
 
804
            fetch: function () {
805
                if (this.fetched) {
806
                    return;
807
                }
808
                this.fetched = true;
809
 
810
                context.startTime = (new Date()).getTime();
811
 
812
                var map = this.map;
813
 
814
                //If the manager is for a plugin managed resource,
815
                //ask the plugin to load it now.
816
                if (this.shim) {
817
                    context.makeRequire(this.map, {
818
                        enableBuildCallback: true
819
                    })(this.shim.deps || [], bind(this, function () {
820
                        return map.prefix ? this.callPlugin() : this.load();
821
                    }));
822
                } else {
823
                    //Regular dependency.
824
                    return map.prefix ? this.callPlugin() : this.load();
825
                }
826
            },
827
 
828
            load: function () {
829
                var url = this.map.url;
830
 
831
                //Regular dependency.
832
                if (!urlFetched[url]) {
833
                    urlFetched[url] = true;
834
                    context.load(this.map.id, url);
835
                }
836
            },
837
 
838
            /**
839
             * Checks if the module is ready to define itself, and if so,
840
             * define it.
841
             */
842
            check: function () {
843
                if (!this.enabled || this.enabling) {
844
                    return;
845
                }
846
 
847
                var err, cjsModule,
848
                    id = this.map.id,
849
                    depExports = this.depExports,
850
                    exports = this.exports,
851
                    factory = this.factory;
852
 
853
                if (!this.inited) {
854
                    // Only fetch if not already in the defQueue.
855
                    if (!hasProp(context.defQueueMap, id)) {
856
                        this.fetch();
857
                    }
858
                } else if (this.error) {
859
                    this.emit('error', this.error);
860
                } else if (!this.defining) {
861
                    //The factory could trigger another require call
862
                    //that would result in checking this module to
863
                    //define itself again. If already in the process
864
                    //of doing that, skip this work.
865
                    this.defining = true;
866
 
867
                    if (this.depCount < 1 && !this.defined) {
868
                        if (isFunction(factory)) {
869
                            //If there is an error listener, favor passing
870
                            //to that instead of throwing an error. However,
871
                            //only do it for define()'d  modules. require
872
                            //errbacks should not be called for failures in
873
                            //their callbacks (#699). However if a global
874
                            //onError is set, use that.
875
                            if ((this.events.error && this.map.isDefine) ||
876
                                req.onError !== defaultOnError) {
877
                                try {
878
                                    exports = context.execCb(id, factory, depExports, exports);
879
                                } catch (e) {
880
                                    err = e;
881
                                }
882
                            } else {
883
                                exports = context.execCb(id, factory, depExports, exports);
884
                            }
885
 
886
                            // Favor return value over exports. If node/cjs in play,
887
                            // then will not have a return value anyway. Favor
888
                            // module.exports assignment over exports object.
889
                            if (this.map.isDefine && exports === undefined) {
890
                                cjsModule = this.module;
891
                                if (cjsModule) {
892
                                    exports = cjsModule.exports;
893
                                } else if (this.usingExports) {
894
                                    //exports already set the defined value.
895
                                    exports = this.exports;
896
                                }
897
                            }
898
 
899
                            if (err) {
900
                                err.requireMap = this.map;
901
                                err.requireModules = this.map.isDefine ? [this.map.id] : null;
902
                                err.requireType = this.map.isDefine ? 'define' : 'require';
903
                                return onError((this.error = err));
904
                            }
905
 
906
                        } else {
907
                            //Just a literal value
908
                            exports = factory;
909
                        }
910
 
911
                        this.exports = exports;
912
 
913
                        if (this.map.isDefine && !this.ignore) {
914
                            defined[id] = exports;
915
 
916
                            if (req.onResourceLoad) {
917
                                var resLoadMaps = [];
918
                                each(this.depMaps, function (depMap) {
919
                                    resLoadMaps.push(depMap.normalizedMap || depMap);
920
                                });
921
                                req.onResourceLoad(context, this.map, resLoadMaps);
922
                            }
923
                        }
924
 
925
                        //Clean up
926
                        cleanRegistry(id);
927
 
928
                        this.defined = true;
929
                    }
930
 
931
                    //Finished the define stage. Allow calling check again
932
                    //to allow define notifications below in the case of a
933
                    //cycle.
934
                    this.defining = false;
935
 
936
                    if (this.defined && !this.defineEmitted) {
937
                        this.defineEmitted = true;
938
                        this.emit('defined', this.exports);
939
                        this.defineEmitComplete = true;
940
                    }
941
 
942
                }
943
            },
944
 
945
            callPlugin: function () {
946
                var map = this.map,
947
                    id = map.id,
948
                    //Map already normalized the prefix.
949
                    pluginMap = makeModuleMap(map.prefix);
950
 
951
                //Mark this as a dependency for this plugin, so it
952
                //can be traced for cycles.
953
                this.depMaps.push(pluginMap);
954
 
955
                on(pluginMap, 'defined', bind(this, function (plugin) {
956
                    var load, normalizedMap, normalizedMod,
957
                        bundleId = getOwn(bundlesMap, this.map.id),
958
                        name = this.map.name,
959
                        parentName = this.map.parentMap ? this.map.parentMap.name : null,
960
                        localRequire = context.makeRequire(map.parentMap, {
961
                            enableBuildCallback: true
962
                        });
963
 
964
                    //If current map is not normalized, wait for that
965
                    //normalized name to load instead of continuing.
966
                    if (this.map.unnormalized) {
967
                        //Normalize the ID if the plugin allows it.
968
                        if (plugin.normalize) {
969
                            name = plugin.normalize(name, function (name) {
970
                                return normalize(name, parentName, true);
971
                            }) || '';
972
                        }
973
 
974
                        //prefix and name should already be normalized, no need
975
                        //for applying map config again either.
976
                        normalizedMap = makeModuleMap(map.prefix + '!' + name,
977
                                                      this.map.parentMap,
978
                                                      true);
979
                        on(normalizedMap,
980
                            'defined', bind(this, function (value) {
981
                                this.map.normalizedMap = normalizedMap;
982
                                this.init([], function () { return value; }, null, {
983
                                    enabled: true,
984
                                    ignore: true
985
                                });
986
                            }));
987
 
988
                        normalizedMod = getOwn(registry, normalizedMap.id);
989
                        if (normalizedMod) {
990
                            //Mark this as a dependency for this plugin, so it
991
                            //can be traced for cycles.
992
                            this.depMaps.push(normalizedMap);
993
 
994
                            if (this.events.error) {
995
                                normalizedMod.on('error', bind(this, function (err) {
996
                                    this.emit('error', err);
997
                                }));
998
                            }
999
                            normalizedMod.enable();
1000
                        }
1001
 
1002
                        return;
1003
                    }
1004
 
1005
                    //If a paths config, then just load that file instead to
1006
                    //resolve the plugin, as it is built into that paths layer.
1007
                    if (bundleId) {
1008
                        this.map.url = context.nameToUrl(bundleId);
1009
                        this.load();
1010
                        return;
1011
                    }
1012
 
1013
                    load = bind(this, function (value) {
1014
                        this.init([], function () { return value; }, null, {
1015
                            enabled: true
1016
                        });
1017
                    });
1018
 
1019
                    load.error = bind(this, function (err) {
1020
                        this.inited = true;
1021
                        this.error = err;
1022
                        err.requireModules = [id];
1023
 
1024
                        //Remove temp unnormalized modules for this module,
1025
                        //since they will never be resolved otherwise now.
1026
                        eachProp(registry, function (mod) {
1027
                            if (mod.map.id.indexOf(id + '_unnormalized') === 0) {
1028
                                cleanRegistry(mod.map.id);
1029
                            }
1030
                        });
1031
 
1032
                        onError(err);
1033
                    });
1034
 
1035
                    //Allow plugins to load other code without having to know the
1036
                    //context or how to 'complete' the load.
1037
                    load.fromText = bind(this, function (text, textAlt) {
1038
                        /*jslint evil: true */
1039
                        var moduleName = map.name,
1040
                            moduleMap = makeModuleMap(moduleName),
1041
                            hasInteractive = useInteractive;
1042
 
1043
                        //As of 2.1.0, support just passing the text, to reinforce
1044
                        //fromText only being called once per resource. Still
1045
                        //support old style of passing moduleName but discard
1046
                        //that moduleName in favor of the internal ref.
1047
                        if (textAlt) {
1048
                            text = textAlt;
1049
                        }
1050
 
1051
                        //Turn off interactive script matching for IE for any define
1052
                        //calls in the text, then turn it back on at the end.
1053
                        if (hasInteractive) {
1054
                            useInteractive = false;
1055
                        }
1056
 
1057
                        //Prime the system by creating a module instance for
1058
                        //it.
1059
                        getModule(moduleMap);
1060
 
1061
                        //Transfer any config to this other module.
1062
                        if (hasProp(config.config, id)) {
1063
                            config.config[moduleName] = config.config[id];
1064
                        }
1065
 
1066
                        try {
1067
                            req.exec(text);
1068
                        } catch (e) {
1069
                            return onError(makeError('fromtexteval',
1070
                                             'fromText eval for ' + id +
1071
                                            ' failed: ' + e,
1072
                                             e,
1073
                                             [id]));
1074
                        }
1075
 
1076
                        if (hasInteractive) {
1077
                            useInteractive = true;
1078
                        }
1079
 
1080
                        //Mark this as a dependency for the plugin
1081
                        //resource
1082
                        this.depMaps.push(moduleMap);
1083
 
1084
                        //Support anonymous modules.
1085
                        context.completeLoad(moduleName);
1086
 
1087
                        //Bind the value of that module to the value for this
1088
                        //resource ID.
1089
                        localRequire([moduleName], load);
1090
                    });
1091
 
1092
                    //Use parentName here since the plugin's name is not reliable,
1093
                    //could be some weird string with no path that actually wants to
1094
                    //reference the parentName's path.
1095
                    plugin.load(map.name, localRequire, load, config);
1096
                }));
1097
 
1098
                context.enable(pluginMap, this);
1099
                this.pluginMaps[pluginMap.id] = pluginMap;
1100
            },
1101
 
1102
            enable: function () {
1103
                enabledRegistry[this.map.id] = this;
1104
                this.enabled = true;
1105
 
1106
                //Set flag mentioning that the module is enabling,
1107
                //so that immediate calls to the defined callbacks
1108
                //for dependencies do not trigger inadvertent load
1109
                //with the depCount still being zero.
1110
                this.enabling = true;
1111
 
1112
                //Enable each dependency
1113
                each(this.depMaps, bind(this, function (depMap, i) {
1114
                    var id, mod, handler;
1115
 
1116
                    if (typeof depMap === 'string') {
1117
                        //Dependency needs to be converted to a depMap
1118
                        //and wired up to this module.
1119
                        depMap = makeModuleMap(depMap,
1120
                                               (this.map.isDefine ? this.map : this.map.parentMap),
1121
                                               false,
1122
                                               !this.skipMap);
1123
                        this.depMaps[i] = depMap;
1124
 
1125
                        handler = getOwn(handlers, depMap.id);
1126
 
1127
                        if (handler) {
1128
                            this.depExports[i] = handler(this);
1129
                            return;
1130
                        }
1131
 
1132
                        this.depCount += 1;
1133
 
1134
                        on(depMap, 'defined', bind(this, function (depExports) {
1135
                            if (this.undefed) {
1136
                                return;
1137
                            }
1138
                            this.defineDep(i, depExports);
1139
                            this.check();
1140
                        }));
1141
 
1142
                        if (this.errback) {
1143
                            on(depMap, 'error', bind(this, this.errback));
1144
                        } else if (this.events.error) {
1145
                            // No direct errback on this module, but something
1146
                            // else is listening for errors, so be sure to
1147
                            // propagate the error correctly.
1148
                            on(depMap, 'error', bind(this, function(err) {
1149
                                this.emit('error', err);
1150
                            }));
1151
                        }
1152
                    }
1153
 
1154
                    id = depMap.id;
1155
                    mod = registry[id];
1156
 
1157
                    //Skip special modules like 'require', 'exports', 'module'
1158
                    //Also, don't call enable if it is already enabled,
1159
                    //important in circular dependency cases.
1160
                    if (!hasProp(handlers, id) && mod && !mod.enabled) {
1161
                        context.enable(depMap, this);
1162
                    }
1163
                }));
1164
 
1165
                //Enable each plugin that is used in
1166
                //a dependency
1167
                eachProp(this.pluginMaps, bind(this, function (pluginMap) {
1168
                    var mod = getOwn(registry, pluginMap.id);
1169
                    if (mod && !mod.enabled) {
1170
                        context.enable(pluginMap, this);
1171
                    }
1172
                }));
1173
 
1174
                this.enabling = false;
1175
 
1176
                this.check();
1177
            },
1178
 
1179
            on: function (name, cb) {
1180
                var cbs = this.events[name];
1181
                if (!cbs) {
1182
                    cbs = this.events[name] = [];
1183
                }
1184
                cbs.push(cb);
1185
            },
1186
 
1187
            emit: function (name, evt) {
1188
                each(this.events[name], function (cb) {
1189
                    cb(evt);
1190
                });
1191
                if (name === 'error') {
1192
                    //Now that the error handler was triggered, remove
1193
                    //the listeners, since this broken Module instance
1194
                    //can stay around for a while in the registry.
1195
                    delete this.events[name];
1196
                }
1197
            }
1198
        };
1199
 
1200
        function callGetModule(args) {
1201
            //Skip modules already defined.
1202
            if (!hasProp(defined, args[0])) {
1203
                getModule(makeModuleMap(args[0], null, true)).init(args[1], args[2]);
1204
            }
1205
        }
1206
 
1207
        function removeListener(node, func, name, ieName) {
1208
            //Favor detachEvent because of IE9
1209
            //issue, see attachEvent/addEventListener comment elsewhere
1210
            //in this file.
1211
            if (node.detachEvent && !isOpera) {
1212
                //Probably IE. If not it will throw an error, which will be
1213
                //useful to know.
1214
                if (ieName) {
1215
                    node.detachEvent(ieName, func);
1216
                }
1217
            } else {
1218
                node.removeEventListener(name, func, false);
1219
            }
1220
        }
1221
 
1222
        /**
1223
         * Given an event from a script node, get the requirejs info from it,
1224
         * and then removes the event listeners on the node.
1225
         * @param {Event} evt
1226
         * @returns {Object}
1227
         */
1228
        function getScriptData(evt) {
1229
            //Using currentTarget instead of target for Firefox 2.0's sake. Not
1230
            //all old browsers will be supported, but this one was easy enough
1231
            //to support and still makes sense.
1232
            var node = evt.currentTarget || evt.srcElement;
1233
 
1234
            //Remove the listeners once here.
1235
            removeListener(node, context.onScriptLoad, 'load', 'onreadystatechange');
1236
            removeListener(node, context.onScriptError, 'error');
1237
 
1238
            return {
1239
                node: node,
1240
                id: node && node.getAttribute('data-requiremodule')
1241
            };
1242
        }
1243
 
1244
        function intakeDefines() {
1245
            var args;
1246
 
1247
            //Any defined modules in the global queue, intake them now.
1248
            takeGlobalQueue();
1249
 
1250
            //Make sure any remaining defQueue items get properly processed.
1251
            while (defQueue.length) {
1252
                args = defQueue.shift();
1253
                if (args[0] === null) {
1254
                    return onError(makeError('mismatch', 'Mismatched anonymous define() module: ' +
1255
                        args[args.length - 1]));
1256
                } else {
1257
                    //args are id, deps, factory. Should be normalized by the
1258
                    //define() function.
1259
                    callGetModule(args);
1260
                }
1261
            }
1262
            context.defQueueMap = {};
1263
        }
1264
 
1265
        context = {
1266
            config: config,
1267
            contextName: contextName,
1268
            registry: registry,
1269
            defined: defined,
1270
            urlFetched: urlFetched,
1271
            defQueue: defQueue,
1272
            defQueueMap: {},
1273
            Module: Module,
1274
            makeModuleMap: makeModuleMap,
1275
            nextTick: req.nextTick,
1276
            onError: onError,
1277
 
1278
            /**
1279
             * Set a configuration for the context.
1280
             * @param {Object} cfg config object to integrate.
1281
             */
1282
            configure: function (cfg) {
1283
                //Make sure the baseUrl ends in a slash.
1284
                if (cfg.baseUrl) {
1285
                    if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== '/') {
1286
                        cfg.baseUrl += '/';
1287
                    }
1288
                }
1289
 
1290
                // Convert old style urlArgs string to a function.
1291
                if (typeof cfg.urlArgs === 'string') {
1292
                    var urlArgs = cfg.urlArgs;
1293
                    cfg.urlArgs = function(id, url) {
1294
                        return (url.indexOf('?') === -1 ? '?' : '&') + urlArgs;
1295
                    };
1296
                }
1297
 
1298
                //Save off the paths since they require special processing,
1299
                //they are additive.
1300
                var shim = config.shim,
1301
                    objs = {
1302
                        paths: true,
1303
                        bundles: true,
1304
                        config: true,
1305
                        map: true
1306
                    };
1307
 
1308
                eachProp(cfg, function (value, prop) {
1309
                    if (objs[prop]) {
1310
                        if (!config[prop]) {
1311
                            config[prop] = {};
1312
                        }
1313
                        mixin(config[prop], value, true, true);
1314
                    } else {
1315
                        config[prop] = value;
1316
                    }
1317
                });
1318
 
1319
                //Reverse map the bundles
1320
                if (cfg.bundles) {
1321
                    eachProp(cfg.bundles, function (value, prop) {
1322
                        each(value, function (v) {
1323
                            if (v !== prop) {
1324
                                bundlesMap[v] = prop;
1325
                            }
1326
                        });
1327
                    });
1328
                }
1329
 
1330
                //Merge shim
1331
                if (cfg.shim) {
1332
                    eachProp(cfg.shim, function (value, id) {
1333
                        //Normalize the structure
1334
                        if (isArray(value)) {
1335
                            value = {
1336
                                deps: value
1337
                            };
1338
                        }
1339
                        if ((value.exports || value.init) && !value.exportsFn) {
1340
                            value.exportsFn = context.makeShimExports(value);
1341
                        }
1342
                        shim[id] = value;
1343
                    });
1344
                    config.shim = shim;
1345
                }
1346
 
1347
                //Adjust packages if necessary.
1348
                if (cfg.packages) {
1349
                    each(cfg.packages, function (pkgObj) {
1350
                        var location, name;
1351
 
1352
                        pkgObj = typeof pkgObj === 'string' ? {name: pkgObj} : pkgObj;
1353
 
1354
                        name = pkgObj.name;
1355
                        location = pkgObj.location;
1356
                        if (location) {
1357
                            config.paths[name] = pkgObj.location;
1358
                        }
1359
 
1360
                        //Save pointer to main module ID for pkg name.
1361
                        //Remove leading dot in main, so main paths are normalized,
1362
                        //and remove any trailing .js, since different package
1363
                        //envs have different conventions: some use a module name,
1364
                        //some use a file name.
1365
                        config.pkgs[name] = pkgObj.name + '/' + (pkgObj.main || 'main')
1366
                                     .replace(currDirRegExp, '')
1367
                                     .replace(jsSuffixRegExp, '');
1368
                    });
1369
                }
1370
 
1371
                //If there are any "waiting to execute" modules in the registry,
1372
                //update the maps for them, since their info, like URLs to load,
1373
                //may have changed.
1374
                eachProp(registry, function (mod, id) {
1375
                    //If module already has init called, since it is too
1376
                    //late to modify them, and ignore unnormalized ones
1377
                    //since they are transient.
1378
                    if (!mod.inited && !mod.map.unnormalized) {
1379
                        mod.map = makeModuleMap(id, null, true);
1380
                    }
1381
                });
1382
 
1383
                //If a deps array or a config callback is specified, then call
1384
                //require with those args. This is useful when require is defined as a
1385
                //config object before require.js is loaded.
1386
                if (cfg.deps || cfg.callback) {
1387
                    context.require(cfg.deps || [], cfg.callback);
1388
                }
1389
            },
1390
 
1391
            makeShimExports: function (value) {
1392
                function fn() {
1393
                    var ret;
1394
                    if (value.init) {
1395
                        ret = value.init.apply(global, arguments);
1396
                    }
1397
                    return ret || (value.exports && getGlobal(value.exports));
1398
                }
1399
                return fn;
1400
            },
1401
 
1402
            makeRequire: function (relMap, options) {
1403
                options = options || {};
1404
 
1405
                function localRequire(deps, callback, errback) {
1406
                    var id, map, requireMod;
1407
 
1408
                    if (options.enableBuildCallback && callback && isFunction(callback)) {
1409
                        callback.__requireJsBuild = true;
1410
                    }
1411
 
1412
                    if (typeof deps === 'string') {
1413
                        if (isFunction(callback)) {
1414
                            //Invalid call
1415
                            return onError(makeError('requireargs', 'Invalid require call'), errback);
1416
                        }
1417
 
1418
                        //If require|exports|module are requested, get the
1419
                        //value for them from the special handlers. Caveat:
1420
                        //this only works while module is being defined.
1421
                        if (relMap && hasProp(handlers, deps)) {
1422
                            return handlers[deps](registry[relMap.id]);
1423
                        }
1424
 
1425
                        //Synchronous access to one module. If require.get is
1426
                        //available (as in the Node adapter), prefer that.
1427
                        if (req.get) {
1428
                            return req.get(context, deps, relMap, localRequire);
1429
                        }
1430
 
1431
                        //Normalize module name, if it contains . or ..
1432
                        map = makeModuleMap(deps, relMap, false, true);
1433
                        id = map.id;
1434
 
1435
                        if (!hasProp(defined, id)) {
1436
                            return onError(makeError('notloaded', 'Module name "' +
1437
                                        id +
1438
                                        '" has not been loaded yet for context: ' +
1439
                                        contextName +
1440
                                        (relMap ? '' : '. Use require([])')));
1441
                        }
1442
                        return defined[id];
1443
                    }
1444
 
1445
                    //Grab defines waiting in the global queue.
1446
                    intakeDefines();
1447
 
1448
                    //Mark all the dependencies as needing to be loaded.
1449
                    context.nextTick(function () {
1450
                        //Some defines could have been added since the
1451
                        //require call, collect them.
1452
                        intakeDefines();
1453
 
1454
                        requireMod = getModule(makeModuleMap(null, relMap));
1455
 
1456
                        //Store if map config should be applied to this require
1457
                        //call for dependencies.
1458
                        requireMod.skipMap = options.skipMap;
1459
 
1460
                        requireMod.init(deps, callback, errback, {
1461
                            enabled: true
1462
                        });
1463
 
1464
                        checkLoaded();
1465
                    });
1466
 
1467
                    return localRequire;
1468
                }
1469
 
1470
                mixin(localRequire, {
1471
                    isBrowser: isBrowser,
1472
 
1473
                    /**
1474
                     * Converts a module name + .extension into an URL path.
1475
                     * *Requires* the use of a module name. It does not support using
1476
                     * plain URLs like nameToUrl.
1477
                     */
1478
                    toUrl: function (moduleNamePlusExt) {
1479
                        var ext,
1480
                            index = moduleNamePlusExt.lastIndexOf('.'),
1481
                            segment = moduleNamePlusExt.split('/')[0],
1482
                            isRelative = segment === '.' || segment === '..';
1483
 
1484
                        //Have a file extension alias, and it is not the
1485
                        //dots from a relative path.
1486
                        if (index !== -1 && (!isRelative || index > 1)) {
1487
                            ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length);
1488
                            moduleNamePlusExt = moduleNamePlusExt.substring(0, index);
1489
                        }
1490
 
1491
                        return context.nameToUrl(normalize(moduleNamePlusExt,
1492
                                                relMap && relMap.id, true), ext,  true);
1493
                    },
1494
 
1495
                    defined: function (id) {
1496
                        return hasProp(defined, makeModuleMap(id, relMap, false, true).id);
1497
                    },
1498
 
1499
                    specified: function (id) {
1500
                        id = makeModuleMap(id, relMap, false, true).id;
1501
                        return hasProp(defined, id) || hasProp(registry, id);
1502
                    }
1503
                });
1504
 
1505
                //Only allow undef on top level require calls
1506
                if (!relMap) {
1507
                    localRequire.undef = function (id) {
1508
                        //Bind any waiting define() calls to this context,
1509
                        //fix for #408
1510
                        takeGlobalQueue();
1511
 
1512
                        var map = makeModuleMap(id, relMap, true),
1513
                            mod = getOwn(registry, id);
1514
 
1515
                        mod.undefed = true;
1516
                        removeScript(id);
1517
 
1518
                        delete defined[id];
1519
                        delete urlFetched[map.url];
1520
                        delete undefEvents[id];
1521
 
1522
                        //Clean queued defines too. Go backwards
1523
                        //in array so that the splices do not
1524
                        //mess up the iteration.
1525
                        eachReverse(defQueue, function(args, i) {
1526
                            if (args[0] === id) {
1527
                                defQueue.splice(i, 1);
1528
                            }
1529
                        });
1530
                        delete context.defQueueMap[id];
1531
 
1532
                        if (mod) {
1533
                            //Hold on to listeners in case the
1534
                            //module will be attempted to be reloaded
1535
                            //using a different config.
1536
                            if (mod.events.defined) {
1537
                                undefEvents[id] = mod.events;
1538
                            }
1539
 
1540
                            cleanRegistry(id);
1541
                        }
1542
                    };
1543
                }
1544
 
1545
                return localRequire;
1546
            },
1547
 
1548
            /**
1549
             * Called to enable a module if it is still in the registry
1550
             * awaiting enablement. A second arg, parent, the parent module,
1551
             * is passed in for context, when this method is overridden by
1552
             * the optimizer. Not shown here to keep code compact.
1553
             */
1554
            enable: function (depMap) {
1555
                var mod = getOwn(registry, depMap.id);
1556
                if (mod) {
1557
                    getModule(depMap).enable();
1558
                }
1559
            },
1560
 
1561
            /**
1562
             * Internal method used by environment adapters to complete a load event.
1563
             * A load event could be a script load or just a load pass from a synchronous
1564
             * load call.
1565
             * @param {String} moduleName the name of the module to potentially complete.
1566
             */
1567
            completeLoad: function (moduleName) {
1568
                var found, args, mod,
1569
                    shim = getOwn(config.shim, moduleName) || {},
1570
                    shExports = shim.exports;
1571
 
1572
                takeGlobalQueue();
1573
 
1574
                while (defQueue.length) {
1575
                    args = defQueue.shift();
1576
                    if (args[0] === null) {
1577
                        args[0] = moduleName;
1578
                        //If already found an anonymous module and bound it
1579
                        //to this name, then this is some other anon module
1580
                        //waiting for its completeLoad to fire.
1581
                        if (found) {
1582
                            break;
1583
                        }
1584
                        found = true;
1585
                    } else if (args[0] === moduleName) {
1586
                        //Found matching define call for this script!
1587
                        found = true;
1588
                    }
1589
 
1590
                    callGetModule(args);
1591
                }
1592
                context.defQueueMap = {};
1593
 
1594
                //Do this after the cycle of callGetModule in case the result
1595
                //of those calls/init calls changes the registry.
1596
                mod = getOwn(registry, moduleName);
1597
 
1598
                if (!found && !hasProp(defined, moduleName) && mod && !mod.inited) {
1599
                    if (config.enforceDefine && (!shExports || !getGlobal(shExports))) {
1600
                        if (hasPathFallback(moduleName)) {
1601
                            return;
1602
                        } else {
1603
                            return onError(makeError('nodefine',
1604
                                             'No define call for ' + moduleName,
1605
                                             null,
1606
                                             [moduleName]));
1607
                        }
1608
                    } else {
1609
                        //A script that does not call define(), so just simulate
1610
                        //the call for it.
1611
                        callGetModule([moduleName, (shim.deps || []), shim.exportsFn]);
1612
                    }
1613
                }
1614
 
1615
                checkLoaded();
1616
            },
1617
 
1618
            /**
1619
             * Converts a module name to a file path. Supports cases where
1620
             * moduleName may actually be just an URL.
1621
             * Note that it **does not** call normalize on the moduleName,
1622
             * it is assumed to have already been normalized. This is an
1623
             * internal API, not a public one. Use toUrl for the public API.
1624
             */
1625
            nameToUrl: function (moduleName, ext, skipExt) {
1626
                var paths, syms, i, parentModule, url,
1627
                    parentPath, bundleId,
1628
                    pkgMain = getOwn(config.pkgs, moduleName);
1629
 
1630
                if (pkgMain) {
1631
                    moduleName = pkgMain;
1632
                }
1633
 
1634
                bundleId = getOwn(bundlesMap, moduleName);
1635
 
1636
                if (bundleId) {
1637
                    return context.nameToUrl(bundleId, ext, skipExt);
1638
                }
1639
 
1640
                //If a colon is in the URL, it indicates a protocol is used and it is just
1641
                //an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?)
1642
                //or ends with .js, then assume the user meant to use an url and not a module id.
1643
                //The slash is important for protocol-less URLs as well as full paths.
1644
                if (req.jsExtRegExp.test(moduleName)) {
1645
                    //Just a plain path, not module name lookup, so just return it.
1646
                    //Add extension if it is included. This is a bit wonky, only non-.js things pass
1647
                    //an extension, this method probably needs to be reworked.
1648
                    url = moduleName + (ext || '');
1649
                } else {
1650
                    //A module that needs to be converted to a path.
1651
                    paths = config.paths;
1652
 
1653
                    syms = moduleName.split('/');
1654
                    //For each module name segment, see if there is a path
1655
                    //registered for it. Start with most specific name
1656
                    //and work up from it.
1657
                    for (i = syms.length; i > 0; i -= 1) {
1658
                        parentModule = syms.slice(0, i).join('/');
1659
 
1660
                        parentPath = getOwn(paths, parentModule);
1661
                        if (parentPath) {
1662
                            //If an array, it means there are a few choices,
1663
                            //Choose the one that is desired
1664
                            if (isArray(parentPath)) {
1665
                                parentPath = parentPath[0];
1666
                            }
1667
                            syms.splice(0, i, parentPath);
1668
                            break;
1669
                        }
1670
                    }
1671
 
1672
                    //Join the path parts together, then figure out if baseUrl is needed.
1673
                    url = syms.join('/');
1674
                    url += (ext || (/^data\:|^blob\:|\?/.test(url) || skipExt ? '' : '.js'));
1675
                    url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url;
1676
                }
1677
 
1678
                return config.urlArgs && !/^blob\:/.test(url) ?
1679
                       url + config.urlArgs(moduleName, url) : url;
1680
            },
1681
 
1682
            //Delegates to req.load. Broken out as a separate function to
1683
            //allow overriding in the optimizer.
1684
            load: function (id, url) {
1685
                req.load(context, id, url);
1686
            },
1687
 
1688
            /**
1689
             * Executes a module callback function. Broken out as a separate function
1690
             * solely to allow the build system to sequence the files in the built
1691
             * layer in the right sequence.
1692
             *
1693
             * @private
1694
             */
1695
            execCb: function (name, callback, args, exports) {
1696
                return callback.apply(exports, args);
1697
            },
1698
 
1699
            /**
1700
             * callback for script loads, used to check status of loading.
1701
             *
1702
             * @param {Event} evt the event from the browser for the script
1703
             * that was loaded.
1704
             */
1705
            onScriptLoad: function (evt) {
1706
                //Using currentTarget instead of target for Firefox 2.0's sake. Not
1707
                //all old browsers will be supported, but this one was easy enough
1708
                //to support and still makes sense.
1709
                if (evt.type === 'load' ||
1710
                        (readyRegExp.test((evt.currentTarget || evt.srcElement).readyState))) {
1711
                    //Reset interactive script so a script node is not held onto for
1712
                    //to long.
1713
                    interactiveScript = null;
1714
 
1715
                    //Pull out the name of the module and the context.
1716
                    var data = getScriptData(evt);
1717
                    context.completeLoad(data.id);
1718
                }
1719
            },
1720
 
1721
            /**
1722
             * Callback for script errors.
1723
             */
1724
            onScriptError: function (evt) {
1725
                var data = getScriptData(evt);
1726
                if (!hasPathFallback(data.id)) {
1727
                    var parents = [];
1728
                    eachProp(registry, function(value, key) {
1729
                        if (key.indexOf('_@r') !== 0) {
1730
                            each(value.depMaps, function(depMap) {
1731
                                if (depMap.id === data.id) {
1732
                                    parents.push(key);
1733
                                    return true;
1734
                                }
1735
                            });
1736
                        }
1737
                    });
1738
                    return onError(makeError('scripterror', 'Script error for "' + data.id +
1739
                                             (parents.length ?
1740
                                             '", needed by: ' + parents.join(', ') :
1741
                                             '"'), evt, [data.id]));
1742
                }
1743
            }
1744
        };
1745
 
1746
        context.require = context.makeRequire();
1747
        return context;
1748
    }
1749
 
1750
    /**
1751
     * Main entry point.
1752
     *
1753
     * If the only argument to require is a string, then the module that
1754
     * is represented by that string is fetched for the appropriate context.
1755
     *
1756
     * If the first argument is an array, then it will be treated as an array
1757
     * of dependency string names to fetch. An optional function callback can
1758
     * be specified to execute when all of those dependencies are available.
1759
     *
1760
     * Make a local req variable to help Caja compliance (it assumes things
1761
     * on a require that are not standardized), and to give a short
1762
     * name for minification/local scope use.
1763
     */
1764
    req = requirejs = function (deps, callback, errback, optional) {
1765
 
1766
        //Find the right context, use default
1767
        var context, config,
1768
            contextName = defContextName;
1769
 
1770
        // Determine if have config object in the call.
1771
        if (!isArray(deps) && typeof deps !== 'string') {
1772
            // deps is a config object
1773
            config = deps;
1774
            if (isArray(callback)) {
1775
                // Adjust args if there are dependencies
1776
                deps = callback;
1777
                callback = errback;
1778
                errback = optional;
1779
            } else {
1780
                deps = [];
1781
            }
1782
        }
1783
 
1784
        if (config && config.context) {
1785
            contextName = config.context;
1786
        }
1787
 
1788
        context = getOwn(contexts, contextName);
1789
        if (!context) {
1790
            context = contexts[contextName] = req.s.newContext(contextName);
1791
        }
1792
 
1793
        if (config) {
1794
            context.configure(config);
1795
        }
1796
 
1797
        return context.require(deps, callback, errback);
1798
    };
1799
 
1800
    /**
1801
     * Support require.config() to make it easier to cooperate with other
1802
     * AMD loaders on globally agreed names.
1803
     */
1804
    req.config = function (config) {
1805
        return req(config);
1806
    };
1807
 
1808
    /**
1809
     * Execute something after the current tick
1810
     * of the event loop. Override for other envs
1811
     * that have a better solution than setTimeout.
1812
     * @param  {Function} fn function to execute later.
1813
     */
1814
    req.nextTick = typeof setTimeout !== 'undefined' ? function (fn) {
1815
        setTimeout(fn, 4);
1816
    } : function (fn) { fn(); };
1817
 
1818
    /**
1819
     * Export require as a global, but only if it does not already exist.
1820
     */
1821
    if (!require) {
1822
        require = req;
1823
    }
1824
 
1825
    req.version = version;
1826
 
1827
    //Used to filter out dependencies that are already paths.
1828
    req.jsExtRegExp = /^\/|:|\?|\.js$/;
1829
    req.isBrowser = isBrowser;
1830
    s = req.s = {
1831
        contexts: contexts,
1832
        newContext: newContext
1833
    };
1834
 
1835
    //Create default context.
1836
    req({});
1837
 
1838
    //Exports some context-sensitive methods on global require.
1839
    each([
1840
        'toUrl',
1841
        'undef',
1842
        'defined',
1843
        'specified'
1844
    ], function (prop) {
1845
        //Reference from contexts instead of early binding to default context,
1846
        //so that during builds, the latest instance of the default context
1847
        //with its config gets used.
1848
        req[prop] = function () {
1849
            var ctx = contexts[defContextName];
1850
            return ctx.require[prop].apply(ctx, arguments);
1851
        };
1852
    });
1853
 
1854
    if (isBrowser) {
1855
        head = s.head = document.getElementsByTagName('head')[0];
1856
        //If BASE tag is in play, using appendChild is a problem for IE6.
1857
        //When that browser dies, this can be removed. Details in this jQuery bug:
1858
        //http://dev.jquery.com/ticket/2709
1859
        baseElement = document.getElementsByTagName('base')[0];
1860
        if (baseElement) {
1861
            head = s.head = baseElement.parentNode;
1862
        }
1863
    }
1864
 
1865
    /**
1866
     * Any errors that require explicitly generates will be passed to this
1867
     * function. Intercept/override it if you want custom error handling.
1868
     * @param {Error} err the error object.
1869
     */
1870
    req.onError = defaultOnError;
1871
 
1872
    /**
1873
     * Creates the node for the load command. Only used in browser envs.
1874
     */
1875
    req.createNode = function (config, moduleName, url) {
1876
        var node = config.xhtml ?
1877
                document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') :
1878
                document.createElement('script');
1879
        node.type = config.scriptType || 'text/javascript';
1880
        node.charset = 'utf-8';
1881
        node.async = true;
1882
        return node;
1883
    };
1884
 
1885
    /**
1886
     * Does the request to load a module for the browser case.
1887
     * Make this a separate function to allow other environments
1888
     * to override it.
1889
     *
1890
     * @param {Object} context the require context to find state.
1891
     * @param {String} moduleName the name of the module.
1892
     * @param {Object} url the URL to the module.
1893
     */
1894
    req.load = function (context, moduleName, url) {
1895
        var config = (context && context.config) || {},
1896
            node;
1897
        if (isBrowser) {
1898
            //In the browser so use a script tag
1899
            node = req.createNode(config, moduleName, url);
1900
 
1901
            node.setAttribute('data-requirecontext', context.contextName);
1902
            node.setAttribute('data-requiremodule', moduleName);
1903
 
1904
            //Set up load listener. Test attachEvent first because IE9 has
1905
            //a subtle issue in its addEventListener and script onload firings
1906
            //that do not match the behavior of all other browsers with
1907
            //addEventListener support, which fire the onload event for a
1908
            //script right after the script execution. See:
1909
            //https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution
1910
            //UNFORTUNATELY Opera implements attachEvent but does not follow the script
1911
            //script execution mode.
1912
            if (node.attachEvent &&
1913
                    //Check if node.attachEvent is artificially added by custom script or
1914
                    //natively supported by browser
1915
                    //read https://github.com/requirejs/requirejs/issues/187
1916
                    //if we can NOT find [native code] then it must NOT natively supported.
1917
                    //in IE8, node.attachEvent does not have toString()
1918
                    //Note the test for "[native code" with no closing brace, see:
1919
                    //https://github.com/requirejs/requirejs/issues/273
1920
                    !(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) &&
1921
                    !isOpera) {
1922
                //Probably IE. IE (at least 6-8) do not fire
1923
                //script onload right after executing the script, so
1924
                //we cannot tie the anonymous define call to a name.
1925
                //However, IE reports the script as being in 'interactive'
1926
                //readyState at the time of the define call.
1927
                useInteractive = true;
1928
 
1929
                node.attachEvent('onreadystatechange', context.onScriptLoad);
1930
                //It would be great to add an error handler here to catch
1931
                //404s in IE9+. However, onreadystatechange will fire before
1932
                //the error handler, so that does not help. If addEventListener
1933
                //is used, then IE will fire error before load, but we cannot
1934
                //use that pathway given the connect.microsoft.com issue
1935
                //mentioned above about not doing the 'script execute,
1936
                //then fire the script load event listener before execute
1937
                //next script' that other browsers do.
1938
                //Best hope: IE10 fixes the issues,
1939
                //and then destroys all installs of IE 6-9.
1940
                //node.attachEvent('onerror', context.onScriptError);
1941
            } else {
1942
                node.addEventListener('load', context.onScriptLoad, false);
1943
                node.addEventListener('error', context.onScriptError, false);
1944
            }
1945
            node.src = url;
1946
 
1947
            //Calling onNodeCreated after all properties on the node have been
1948
            //set, but before it is placed in the DOM.
1949
            if (config.onNodeCreated) {
1950
                config.onNodeCreated(node, config, moduleName, url);
1951
            }
1952
 
1953
            //For some cache cases in IE 6-8, the script executes before the end
1954
            //of the appendChild execution, so to tie an anonymous define
1955
            //call to the module name (which is stored on the node), hold on
1956
            //to a reference to this node, but clear after the DOM insertion.
1957
            currentlyAddingScript = node;
1958
            if (baseElement) {
1959
                head.insertBefore(node, baseElement);
1960
            } else {
1961
                head.appendChild(node);
1962
            }
1963
            currentlyAddingScript = null;
1964
 
1965
            return node;
1966
        } else if (isWebWorker) {
1967
            try {
1968
                //In a web worker, use importScripts. This is not a very
1969
                //efficient use of importScripts, importScripts will block until
1970
                //its script is downloaded and evaluated. However, if web workers
1971
                //are in play, the expectation is that a build has been done so
1972
                //that only one script needs to be loaded anyway. This may need
1973
                //to be reevaluated if other use cases become common.
1974
 
1975
                // Post a task to the event loop to work around a bug in WebKit
1976
                // where the worker gets garbage-collected after calling
1977
                // importScripts(): https://webkit.org/b/153317
1978
                setTimeout(function() {}, 0);
1979
                importScripts(url);
1980
 
1981
                //Account for anonymous modules
1982
                context.completeLoad(moduleName);
1983
            } catch (e) {
1984
                context.onError(makeError('importscripts',
1985
                                'importScripts failed for ' +
1986
                                    moduleName + ' at ' + url,
1987
                                e,
1988
                                [moduleName]));
1989
            }
1990
        }
1991
    };
1992
 
1993
    function getInteractiveScript() {
1994
        if (interactiveScript && interactiveScript.readyState === 'interactive') {
1995
            return interactiveScript;
1996
        }
1997
 
1998
        eachReverse(scripts(), function (script) {
1999
            if (script.readyState === 'interactive') {
2000
                return (interactiveScript = script);
2001
            }
2002
        });
2003
        return interactiveScript;
2004
    }
2005
 
2006
    //Look for a data-main script attribute, which could also adjust the baseUrl.
2007
    if (isBrowser && !cfg.skipDataMain) {
2008
        //Figure out baseUrl. Get it from the script tag with require.js in it.
2009
        eachReverse(scripts(), function (script) {
2010
            //Set the 'head' where we can append children by
2011
            //using the script's parent.
2012
            if (!head) {
2013
                head = script.parentNode;
2014
            }
2015
 
2016
            //Look for a data-main attribute to set main script for the page
2017
            //to load. If it is there, the path to data main becomes the
2018
            //baseUrl, if it is not already set.
2019
            dataMain = script.getAttribute('data-main');
2020
            if (dataMain) {
2021
                //Preserve dataMain in case it is a path (i.e. contains '?')
2022
                mainScript = dataMain;
2023
 
2024
                //Set final baseUrl if there is not already an explicit one,
2025
                //but only do so if the data-main value is not a loader plugin
2026
                //module ID.
2027
                if (!cfg.baseUrl && mainScript.indexOf('!') === -1) {
2028
                    //Pull off the directory of data-main for use as the
2029
                    //baseUrl.
2030
                    src = mainScript.split('/');
2031
                    mainScript = src.pop();
2032
                    subPath = src.length ? src.join('/')  + '/' : './';
2033
 
2034
                    cfg.baseUrl = subPath;
2035
                }
2036
 
2037
                //Strip off any trailing .js since mainScript is now
2038
                //like a module name.
2039
                mainScript = mainScript.replace(jsSuffixRegExp, '');
2040
 
2041
                //If mainScript is still a path, fall back to dataMain
2042
                if (req.jsExtRegExp.test(mainScript)) {
2043
                    mainScript = dataMain;
2044
                }
2045
 
2046
                //Put the data-main script in the files to load.
2047
                cfg.deps = cfg.deps ? cfg.deps.concat(mainScript) : [mainScript];
2048
 
2049
                return true;
2050
            }
2051
        });
2052
    }
2053
 
2054
    /**
2055
     * The function that handles definitions of modules. Differs from
2056
     * require() in that a string for the module should be the first argument,
2057
     * and the function to execute after dependencies are loaded should
2058
     * return a value to define the module corresponding to the first argument's
2059
     * name.
2060
     */
2061
    define = function (name, deps, callback) {
2062
        var node, context;
2063
 
2064
        //Allow for anonymous modules
2065
        if (typeof name !== 'string') {
2066
            //Adjust args appropriately
2067
            callback = deps;
2068
            deps = name;
2069
            name = null;
2070
        }
2071
 
2072
        //This module may not have dependencies
2073
        if (!isArray(deps)) {
2074
            callback = deps;
2075
            deps = null;
2076
        }
2077
 
2078
        //If no name, and callback is a function, then figure out if it a
2079
        //CommonJS thing with dependencies.
2080
        if (!deps && isFunction(callback)) {
2081
            deps = [];
2082
            //Remove comments from the callback string,
2083
            //look for require calls, and pull them into the dependencies,
2084
            //but only if there are function args.
2085
            if (callback.length) {
2086
                callback
2087
                    .toString()
2088
                    .replace(commentRegExp, commentReplace)
2089
                    .replace(cjsRequireRegExp, function (match, dep) {
2090
                        deps.push(dep);
2091
                    });
2092
 
2093
                //May be a CommonJS thing even without require calls, but still
2094
                //could use exports, and module. Avoid doing exports and module
2095
                //work though if it just needs require.
2096
                //REQUIRES the function to expect the CommonJS variables in the
2097
                //order listed below.
2098
                deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps);
2099
            }
2100
        }
2101
 
2102
        //If in IE 6-8 and hit an anonymous define() call, do the interactive
2103
        //work.
2104
        if (useInteractive) {
2105
            node = currentlyAddingScript || getInteractiveScript();
2106
            if (node) {
2107
                if (!name) {
2108
                    name = node.getAttribute('data-requiremodule');
2109
                }
2110
                context = contexts[node.getAttribute('data-requirecontext')];
2111
            }
2112
        }
2113
 
2114
        //Always save off evaluating the def call until the script onload handler.
2115
        //This allows multiple modules to be in a file without prematurely
2116
        //tracing dependencies, and allows for anonymous module support,
2117
        //where the module name is not known until the script onload event
2118
        //occurs. If no context, use the global queue, and get it processed
2119
        //in the onscript load callback.
2120
        if (context) {
2121
            context.defQueue.push([name, deps, callback]);
2122
            context.defQueueMap[name] = true;
2123
        } else {
2124
            globalDefQueue.push([name, deps, callback]);
2125
        }
2126
    };
2127
 
2128
    define.amd = {
2129
        jQuery: true
2130
    };
2131
 
2132
    /**
2133
     * Executes the text. Normally just uses eval, but can be modified
2134
     * to use a better, environment-specific call. Only used for transpiling
2135
     * loader plugins, not for plain JS modules.
2136
     * @param {String} text the text to execute/evaluate.
2137
     */
2138
    req.exec = function (text) {
2139
        /*jslint evil: true */
2140
        return eval(text);
2141
    };
2142
 
2143
    //Set up with config info.
2144
    req(cfg);
2145
}(this, (typeof setTimeout === 'undefined' ? undefined : setTimeout)));