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1/** vim: et:ts=4:sw=4:sts=4 2 * @license RequireJS 2.3.7 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 10var requirejs, require, define; 11(function (global, setTimeout) { 12 var req, s, head, baseElement, dataMain, src, 13 interactiveScript, currentlyAddingScript, mainScript, subPath, 14 version = '2.3.7', 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 disallowedProps = ['__proto__', 'constructor']; 38 39 //Could match something like ')//comment', do not lose the prefix to comment. 40 function commentReplace(match, singlePrefix) { 41 return singlePrefix || ''; 42 } 43 44 function isFunction(it) { 45 return ostring.call(it) === '[object Function]'; 46 } 47 48 function isArray(it) { 49 return ostring.call(it) === '[object Array]'; 50 } 51 52 /** 53 * Helper function for iterating over an array. If the func returns 54 * a true value, it will break out of the loop. 55 */ 56 function each(ary, func) { 57 if (ary) { 58 var i; 59 for (i = 0; i < ary.length; i += 1) { 60 if (ary[i] && func(ary[i], i, ary)) { 61 break; 62 } 63 } 64 } 65 } 66 67 /** 68 * Helper function for iterating over an array backwards. If the func 69 * returns a true value, it will break out of the loop. 70 */ 71 function eachReverse(ary, func) { 72 if (ary) { 73 var i; 74 for (i = ary.length - 1; i > -1; i -= 1) { 75 if (ary[i] && func(ary[i], i, ary)) { 76 break; 77 } 78 } 79 } 80 } 81 82 function hasProp(obj, prop) { 83 return hasOwn.call(obj, prop); 84 } 85 86 function getOwn(obj, prop) { 87 return hasProp(obj, prop) && obj[prop]; 88 } 89 90 /** 91 * Cycles over properties in an object and calls a function for each 92 * property value. If the function returns a truthy value, then the 93 * iteration is stopped. 94 */ 95 function eachProp(obj, func) { 96 var prop; 97 for (prop in obj) { 98 if (hasProp(obj, prop) && disallowedProps.indexOf(prop) == -1
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98) { 99 if (func(obj[prop], prop)) { 100 break; 101 } 102 } 103 } 104 } 105 106 /** 107 * Simple function to mix in properties from source into target, 108 * but only if target does not already have a property of the same name. 109 */ 110 function mixin(target, source, force, deepStringMixin) { 111 if (source) { 112 eachProp(source, function (value, prop) { 113 if (force || !hasProp(target, prop)) { 114 if (deepStringMixin && typeof value === 'object' && value && 115 !isArray(value) && !isFunction(value) && 116 !(value instanceof RegExp)) { 117 118 if (!target[prop]) { 119 target[prop] = {}; 120 } 121 mixin(target[prop], value, force, deepStringMixin); 122 } else { 123 target[prop] = value; 124 } 125 } 126 }); 127 } 128 return target; 129 } 130 131 //Similar to Function.prototype.bind, but the 'this' object is specified 132 //first, since it is easier to read/figure out what 'this' will be. 133 function bind(obj, fn) { 134 return function () { 135 return fn.apply(obj, arguments); 136 }; 137 } 138 139 function scripts() { 140 return document.getElementsByTagName('script'); 141 } 142 143 function defaultOnError(err) { 144 throw err; 145 } 146 147 //Allow getting a global that is expressed in 148 //dot notation, like 'a.b.c'. 149 function getGlobal(value) { 150 if (!value) { 151 return value; 152 } 153 var g = global; 154 each(value.split('.'), function (part) { 155 g = g[part]; 156 }); 157 return g; 158 } 159 160 /** 161 * Constructs an error with a pointer to an URL with more information. 162 * @param {String} id the error ID that maps to an ID on a web page. 163 * @param {String} message human readable error. 164 * @param {Error} [err] the original error, if there is one. 165 * 166 * @returns {Error} 167 */ 168 function makeError(id, msg, err, requireModules) { 169 var e = new Error(msg + '\nhttps://requirejs.org/docs/errors.html#' + id); 170 e.requireType = id; 171 e.requireModules = requireModules; 172 if (err) { 173 e.originalError = err; 174 } 175 return e; 176 } 177 178 if (typeof define !== 'undefined') { 179 //If a define is already in play via another AMD loader, 180 //do not overwrite. 181 return; 182 } 183 184 if (typeof requirejs !== 'undefined') { 185 if (isFunction(requirejs)) { 186 //Do not overwrite an existing requirejs instance. 187 return; 188 } 189 cfg = requirejs; 190 requirejs = undefined; 191 } 192 193 //Allow for a require config object 194 if (typeof require !== 'undefined' && !isFunction(require)) { 195 //assume it is a config object. 196 cfg = require; 197 require = undefined; 198 } 199 200 function newContext(contextName) { 201 var inCheckLoaded, Module, context, handlers, 202 checkLoadedTimeoutId, 203 config = { 204 //Defaults. Do not set a default for map 205 //config to speed up normalize(), which 206 //will run faster if there is no default. 207 waitSeconds: 7, 208 baseUrl: './', 209 paths: {}, 210 bundles: {}, 211 pkgs: {}, 212 shim: {}, 213 config: {} 214 }, 215 registry = {}, 216 //registry of just enabled modules, to speed 217 //cycle breaking code when lots of modules 218 //are registered, but not activated. 219 enabledRegistry = {}, 220 undefEvents = {}, 221 defQueue = [], 222 defined = {}, 223 urlFetched = {}, 224 bundlesMap = {}, 225 requireCounter = 1, 226 unnormalizedCounter = 1; 227 228 /** 229 * Trims the . and .. from an array of path segments. 230 * It will keep a leading path segment if a .. will become 231 * the first path segment, to help with module name lookups, 232 * which act like paths, but can be remapped. But the end result, 233 * all paths that use this function should look normalized. 234 * NOTE: this method MODIFIES the input array. 235 * @param {Array} ary the array of path segments. 236 */ 237 function trimDots(ary) { 238 var i, part; 239 for (i = 0; i < ary.length; i++) { 240 part = ary[i]; 241 if (part === '.') { 242 ary.splice(i, 1); 243 i -= 1; 244 } else if (part === '..') { 245 // If at the start, or previous value is still .., 246 // keep them so that when converted to a path it may 247 // still work when converted to a path, even though 248 // as an ID it is less than ideal. In larger point 249 // releases, may be better to just kick out an error. 250 if (i === 0 || (i === 1 && ary[2] === '..') || ary[i - 1] === '..') { 251 continue; 252 } else if (i > 0) { 253 ary.splice(i - 1, 2); 254 i -= 2; 255 } 256 } 257 } 258 } 259 260 /** 261 * Given a relative module name, like ./something, normalize it to 262 * a real name that can be mapped to a path. 263 * @param {String} name the relative name 264 * @param {String} baseName a real name that the name arg is relative 265 * to. 266 * @param {Boolean} applyMap apply the map config to the value. Should 267 * only be done if this normalization is for a dependency ID. 268 * @returns {String} normalized name 269 */ 270 function normalize(name, baseName, applyMap) { 271 var pkgMain, mapValue, nameParts, i, j, nameSegment, lastIndex, 272 foundMap, foundI, foundStarMap, starI, normalizedBaseParts, 273 baseParts = (baseName && baseName.split('/')), 274 map = config.map, 275 starMap = map && map['*']; 276 277 //Adjust any relative paths. 278 if (name) { 279 name = name.split('/'); 280 lastIndex = name.length - 1; 281 282 // If wanting node ID compatibility, strip .js from end 283 // of IDs. Have to do this here, and not in nameToUrl 284 // because node allows either .js or non .js to map 285 // to same file. 286 if (config.nodeIdCompat && jsSuffixRegExp.test(name[lastIndex])) { 287 name[lastIndex] = name[lastIndex].replace(jsSuffixRegExp, ''); 288 } 289 290 // Starts with a '.' so need the baseName 291 if (name[0].charAt(0) === '.' && baseParts) { 292 //Convert baseName to array, and lop off the last part, 293 //so that . matches that 'directory' and not name of the baseName's 294 //module. For instance, baseName of 'one/two/three', maps to 295 //'one/two/three.js', but we want the directory, 'one/two' for 296 //this normalization. 297 normalizedBaseParts = baseParts.slice(0, baseParts.length - 1); 298 name = normalizedBaseParts.concat(name); 299 } 300 301 trimDots(name); 302 name = name.join('/'); 303 } 304 305 //Apply map config if available. 306 if (applyMap && map && (baseParts || starMap)) { 307 nameParts = name.split('/'); 308 309 outerLoop: for (i = nameParts.length; i > 0; i -= 1) { 310 nameSegment = nameParts.slice(0, i).join('/'); 311 312 if (baseParts) { 313 //Find the longest baseName segment match in the config. 314 //So, do joins on the biggest to smallest lengths of baseParts. 315 for (j = baseParts.length; j > 0; j -= 1) { 316 mapValue = getOwn(map, baseParts.slice(0, j).join('/')); 317 318 //baseName segment has config, find if it has one for 319 //this name. 320 if (mapValue) { 321 mapValue = getOwn(mapValue, nameSegment); 322 if (mapValue) { 323 //Match, update name to the new value. 324 foundMap = mapValue; 325 foundI = i; 326 break outerLoop; 327 } 328 } 329 } 330 } 331 332 //Check for a star map match, but just hold on to it, 333 //if there is a shorter segment match later in a matching 334 //config, then favor over this star map. 335 if (!foundStarMap && starMap && getOwn(starMap, nameSegment)) { 336 foundStarMap = getOwn(starMap, nameSegment); 337 starI = i; 338 } 339 } 340 341 if (!foundMap && foundStarMap) { 342 foundMap = foundStarMap; 343 foundI = starI; 344 } 345 346 if (foundMap) { 347 nameParts.splice(0, foundI, foundMap); 348 name = nameParts.join('/'); 349 } 350 } 351 352 // If the name points to a package's name, use 353 // the package main instead. 354 pkgMain = getOwn(config.pkgs, name); 355 356 return pkgMain ? pkgMain : name; 357 } 358 359 function removeScript(name) { 360 if (isBrowser) { 361 each(scripts(), function (scriptNode) { 362 if (scriptNode.getAttribute('data-requiremodule') === name && 363 scriptNode.getAttribute('data-requirecontext') === context.contextName) { 364 scriptNode.parentNode.removeChild(scriptNode); 365 return true; 366 } 367 }); 368 } 369 } 370 371 function hasPathFallback(id) { 372 var pathConfig = getOwn(config.paths, id); 373 if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) { 374 //Pop off the first array value, since it failed, and 375 //retry 376 pathConfig.shift(); 377 context.require.undef(id); 378 379 //Custom require that does not do map translation, since 380 //ID is "absolute", already mapped/resolved. 381 context.makeRequire(null, { 382 skipMap: true 383 })([id]); 384 385 return true; 386 } 387 } 388 389 //Turns a plugin!resource to [plugin, resource] 390 //with the plugin being undefined if the name 391 //did not have a plugin prefix. 392 function splitPrefix(name) { 393 var prefix, 394 index = name ? name.indexOf('!') : -1; 395 if (index > -1) { 396 prefix = name.substring(0, index); 397 name = name.substring(index + 1, name.length); 398 } 399 return [prefix, name]; 400 } 401 402 /** 403 * Creates a module mapping that includes plugin prefix, module 404 * name, and path. If parentModuleMap is provided it will 405 * also normalize the name via require.normalize() 406 * 407 * @param {String} name the module name 408 * @param {String} [parentModuleMap] parent module map 409 * for the module name, used to resolve relative names. 410 * @param {Boolean} isNormalized: is the ID already normalized. 411 * This is true if this call is done for a define() module ID. 412 * @param {Boolean} applyMap: apply the map config to the ID. 413 * Should only be true if this map is for a dependency. 414 * 415 * @returns {Object} 416 */ 417 function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) { 418 var url, pluginModule, suffix, nameParts, 419 prefix = null, 420 parentName = parentModuleMap ? parentModuleMap.name : null, 421 originalName = name, 422 isDefine = true, 423 normalizedName = ''; 424 425 //If no name, then it means it is a require call, generate an 426 //internal name. 427 if (!name) { 428 isDefine = false; 429 name = '_@r' + (requireCounter += 1); 430 } 431 432 nameParts = splitPrefix(name); 433 prefix = nameParts[0]; 434 name = nameParts[1]; 435 436 if (prefix) { 437 prefix = normalize(prefix, parentName, applyMap); 438 pluginModule = getOwn(defined, prefix); 439 } 440 441 //Account for relative paths if there is a base name. 442 if (name) { 443 if (prefix) { 444 if (isNormalized) { 445 normalizedName = name; 446 } else if (pluginModule && pluginModule.normalize) { 447 //Plugin is loaded, use its normalize method. 448 normalizedName = pluginModule.normalize(name, function (name) { 449 return normalize(name, parentName, applyMap); 450 }); 451 } else { 452 // If nested plugin references, then do not try to 453 // normalize, as it will not normalize correctly. This 454 // places a restriction on resourceIds, and the longer 455 // term solution is not to normalize until plugins are 456 // loaded and all normalizations to allow for async 457 // loading of a loader plugin. But for now, fixes the 458 // common uses. Details in #1131 459 normalizedName = name.indexOf('!') === -1 ? 460 normalize(name, parentName, applyMap) : 461 name; 462 } 463 } else { 464 //A regular module. 465 normalizedName = normalize(name, parentName, applyMap); 466 467 //Normalized name may be a plugin ID due to map config 468 //application in normalize. The map config values must 469 //already be normalized, so do not need to redo that part. 470 nameParts = splitPrefix(normalizedName); 471 prefix = nameParts[0]; 472 normalizedName = nameParts[1]; 473 isNormalized = true; 474 475 url = context.nameToUrl(normalizedName); 476 } 477 } 478 479 //If the id is a plugin id that cannot be determined if it needs 480 //normalization, stamp it with a unique ID so two matching relative 481 //ids that may conflict can be separate. 482 suffix = prefix && !pluginModule && !isNormalized ? 483 '_unnormalized' + (unnormalizedCounter += 1) : 484 ''; 485 486 return { 487 prefix: prefix, 488 name: normalizedName, 489 parentMap: parentModuleMap, 490 unnormalized: !!suffix, 491 url: url, 492 originalName: originalName, 493 isDefine: isDefine, 494 id: (prefix ? 495 prefix + '!' + normalizedName : 496 normalizedName) + suffix 497 }; 498 } 499 500 function getModule(depMap) { 501 var id = depMap.id, 502 mod = getOwn(registry, id); 503 504 if (!mod) { 505 mod = registry[id] = new context.Module(depMap); 506 } 507 508 return mod; 509 } 510 511 function on(depMap, name, fn) { 512 var id = depMap.id, 513 mod = getOwn(registry, id); 514 515 if (hasProp(defined, id) && 516 (!mod || mod.defineEmitComplete)) { 517 if (name === 'defined') { 518 fn(defined[id]); 519 } 520 } else { 521 mod = getModule(depMap); 522 if (mod.error && name === 'error') { 523 fn(mod.error); 524 } else { 525 mod.on(name, fn); 526 } 527 } 528 } 529 530 function onError(err, errback) { 531 var ids = err.requireModules, 532 notified = false; 533 534 if (errback) { 535 errback(err); 536 } else { 537 each(ids, function (id) { 538 var mod = getOwn(registry, id); 539 if (mod) { 540 //Set error on module, so it skips timeout checks. 541 mod.error = err; 542 if (mod.events.error) { 543 notified = true; 544 mod.emit('error', err); 545 } 546 } 547 }); 548 549 if (!notified) { 550 req.onError(err); 551 } 552 } 553 } 554 555 /** 556 * Internal method to transfer globalQueue items to this context's 557 * defQueue. 558 */ 559 function takeGlobalQueue() { 560 //Push all the globalDefQueue items into the context's defQueue 561 if (globalDefQueue.length) { 562 each(globalDefQueue, function(queueItem) { 563 var id = queueItem[0]; 564 if (typeof id === 'string') { 565 context.defQueueMap[id] = true; 566 } 567 defQueue.push(queueItem); 568 }); 569 globalDefQueue = []; 570 } 571 } 572 573 handlers = { 574 'require': function (mod) { 575 if (mod.require) { 576 return mod.require; 577 } else { 578 return (mod.require = context.makeRequire(mod.map)); 579 } 580 }, 581 'exports': function (mod) { 582 mod.usingExports = true; 583 if (mod.map.isDefine) { 584 if (mod.exports) { 585 return (defined[mod.map.id] = mod.exports); 586 } else { 587 return (mod.exports = defined[mod.map.id] = {}); 588 } 589 } 590 }, 591 'module': function (mod) { 592 if (mod.module) { 593 return mod.module; 594 } else { 595 return (mod.module = { 596 id: mod.map.id, 597 uri: mod.map.url, 598 config: function () { 599 return getOwn(config.config, mod.map.id) || {}; 600 }, 601 exports: mod.exports || (mod.exports = {}) 602 }); 603 } 604 } 605 }; 606 607 function cleanRegistry(id) { 608 //Clean up machinery used for waiting modules. 609 delete registry[id]; 610 delete enabledRegistry[id]; 611 } 612 613 function breakCycle(mod, traced, processed) { 614 var id = mod.map.id; 615 616 if (mod.error) { 617 mod.emit('error', mod.error); 618 } else { 619 traced[id] = true; 620 each(mod.depMaps, function (depMap, i) { 621 var depId = depMap.id, 622 dep = getOwn(registry, depId); 623 624 //Only force things that have not completed 625 //being defined, so still in the registry, 626 //and only if it has not been matched up 627 //in the module already. 628 if (dep && !mod.depMatched[i] && !processed[depId]) { 629 if (getOwn(traced, depId)) { 630 mod.defineDep(i, defined[depId]); 631 mod.check(); //pass false? 632 } else { 633 breakCycle(dep, traced, processed); 634 } 635 } 636 }); 637 processed[id] = true; 638 } 639 } 640 641 function checkLoaded() { 642 var err, usingPathFallback, 643 waitInterval = config.waitSeconds * 1000, 644 //It is possible to disable the wait interval by using waitSeconds of 0. 645 expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(), 646 noLoads = [], 647 reqCalls = [], 648 stillLoading = false, 649 needCycleCheck = true; 650 651 //Do not bother if this call was a result of a cycle break. 652 if (inCheckLoaded) { 653 return; 654 } 655 656 inCheckLoaded = true; 657 658 //Figure out the state of all the modules. 659 eachProp(enabledRegistry, function (mod) { 660 var map = mod.map, 661 modId = map.id; 662 663 //Skip things that are not enabled or in error state. 664 if (!mod.enabled) { 665 return; 666 } 667 668 if (!map.isDefine) { 669 reqCalls.push(mod); 670 } 671 672 if (!mod.error) { 673 //If the module should be executed, and it has not 674 //been inited and time is up, remember it. 675 if (!mod.inited && expired) { 676 if (hasPathFallback(modId)) { 677 usingPathFallback = true; 678 stillLoading = true; 679 } else { 680 noLoads.push(modId); 681 removeScript(modId); 682 } 683 } else if (!mod.inited && mod.fetched && map.isDefine) { 684 stillLoading = true; 685 if (!map.prefix) { 686 //No reason to keep looking for unfinished 687 //loading. If the only stillLoading is a 688 //plugin resource though, keep going, 689 //because it may be that a plugin resource 690 //is waiting on a non-plugin cycle. 691 return (needCycleCheck = false); 692 } 693 } 694 } 695 }); 696 697 if (expired && noLoads.length) { 698 //If wait time expired, throw error of unloaded modules. 699 err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads); 700 err.contextName = context.contextName; 701 return onError(err); 702 } 703 704 //Not expired, check for a cycle. 705 if (needCycleCheck) { 706 each(reqCalls, function (mod) { 707 breakCycle(mod, {}, {}); 708 }); 709 } 710 711 //If still waiting on loads, and the waiting load is something 712 //other than a plugin resource, or there are still outstanding 713 //scripts, then just try back later. 714 if ((!expired || usingPathFallback) && stillLoading) { 715 //Something is still waiting to load. Wait for it, but only 716 //if a timeout is not already in effect. 717 if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) { 718 checkLoadedTimeoutId = setTimeout(function () { 719 checkLoadedTimeoutId = 0; 720 checkLoaded(); 721 }, 50); 722 } 723 } 724 725 inCheckLoaded = false; 726 } 727 728 Module = function (map) { 729 this.events = getOwn(undefEvents, map.id) || {}; 730 this.map = map; 731 this.shim = getOwn(config.shim, map.id); 732 this.depExports = []; 733 this.depMaps = []; 734 this.depMatched = []; 735 this.pluginMaps = {}; 736 this.depCount = 0; 737 738 /* this.exports this.factory 739 this.depMaps = [], 740 this.enabled, this.fetched 741 */ 742 }; 743 744 Module.prototype = { 745 init: function (depMaps, factory, errback, options) { 746 options = options || {}; 747 748 //Do not do more inits if already done. Can happen if there 749 //are multiple define calls for the same module. That is not 750 //a normal, common case, but it is also not unexpected. 751 if (this.inited) { 752 return; 753 } 754 755 this.factory = factory; 756 757 if (errback) { 758 //Register for errors on this module. 759 this.on('error', errback); 760 } else if (this.events.error) { 761 //If no errback already, but there are error listeners 762 //on this module, set up an errback to pass to the deps. 763 errback = bind(this, function (err) { 764 this.emit('error', err); 765 }); 766 } 767 768 //Do a copy of the dependency array, so that 769 //source inputs are not modified. For example 770 //"shim" deps are passed in here directly, and 771 //doing a direct modification of the depMaps array 772 //would affect that config. 773 this.depMaps = depMaps && depMaps.slice(0); 774 775 this.errback = errback; 776 777 //Indicate this module has be initialized 778 this.inited = true; 779 780 this.ignore = options.ignore; 781 782 //Could have option to init this module in enabled mode, 783 //or could have been previously marked as enabled. However, 784 //the dependencies are not known until init is called. So 785 //if enabled previously, now trigger dependencies as enabled. 786 if (options.enabled || this.enabled) { 787 //Enable this module and dependencies. 788 //Will call this.check() 789 this.enable(); 790 } else { 791 this.check(); 792 } 793 }, 794 795 defineDep: function (i, depExports) { 796 //Because of cycles, defined callback for a given 797 //export can be called more than once. 798 if (!this.depMatched[i]) { 799 this.depMatched[i] = true; 800 this.depCount -= 1; 801 this.depExports[i] = depExports; 802 } 803 }, 804 805 fetch: function () { 806 if (this.fetched) { 807 return; 808 } 809 this.fetched = true; 810 811 context.startTime = (new Date()).getTime(); 812 813 var map = this.map; 814 815 //If the manager is for a plugin managed resource, 816 //ask the plugin to load it now. 817 if (this.shim) { 818 context.makeRequire(this.map, { 819 enableBuildCallback: true 820 })(this.shim.deps || [], bind(this, function () { 821 return map.prefix ? this.callPlugin() : this.load(); 822 })); 823 } else { 824 //Regular dependency. 825 return map.prefix ? this.callPlugin() : this.load(); 826 } 827 }, 828 829 load: function () { 830 var url = this.map.url; 831 832 //Regular dependency. 833 if (!urlFetched[url]) { 834 urlFetched[url] = true; 835 context.load(this.map.id, url); 836 } 837 }, 838 839 /** 840 * Checks if the module is ready to define itself, and if so, 841 * define it. 842 */ 843 check: function () { 844 if (!this.enabled || this.enabling) { 845 return; 846 } 847 848 var err, cjsModule, 849 id = this.map.id, 850 depExports = this.depExports, 851 exports = this.exports, 852 factory = this.factory; 853 854 if (!this.inited) { 855 // Only fetch if not already in the defQueue. 856 if (!hasProp(context.defQueueMap, id)) { 857 this.fetch(); 858 } 859 } else if (this.error) { 860 this.emit('error', this.error); 861 } else if (!this.defining) { 862 //The factory could trigger another require call 863 //that would result in checking this module to 864 //define itself again. If already in the process 865 //of doing that, skip this work. 866 this.defining = true; 867 868 if (this.depCount < 1 && !this.defined) { 869 if (isFunction(factory)) { 870 //If there is an error listener, favor passing 871 //to that instead of throwing an error. However, 872 //only do it for define()'d modules. require 873 //errbacks should not be called for failures in 874 //their callbacks (#699). However if a global 875 //onError is set, use that. 876 if ((this.events.error && this.map.isDefine) || 877 req.onError !== defaultOnError) { 878 try { 879 exports = context.execCb(id, factory, depExports, exports); 880 } catch (e) { 881 err = e; 882 } 883 } else { 884 exports = context.execCb(id, factory, depExports, exports); 885 } 886 887 // Favor return value over exports. If node/cjs in play, 888 // then will not have a return value anyway. Favor 889 // module.exports assignment over exports object. 890 if (this.map.isDefine && exports === undefined) { 891 cjsModule = this.module; 892 if (cjsModule) { 893 exports = cjsModule.exports; 894 } else if (this.usingExports) { 895 //exports already set the defined value. 896 exports = this.exports; 897 } 898 } 899 900 if (err) { 901 err.requireMap = this.map; 902 err.requireModules = this.map.isDefine ? [this.map.id] : null; 903 err.requireType = this.map.isDefine ? 'define' : 'require'; 904 return onError((this.error = err)); 905 } 906 907 } else { 908 //Just a literal value 909 exports = factory; 910 } 911 912 this.exports = exports; 913 914 if (this.map.isDefine && !this.ignore) { 915 defined[id] = exports; 916 917 if (req.onResourceLoad) { 918 var resLoadMaps = []; 919 each(this.depMaps, function (depMap) { 920 resLoadMaps.push(depMap.normalizedMap || depMap); 921 }); 922 req.onResourceLoad(context, this.map, resLoadMaps); 923 } 924 } 925 926 //Clean up 927 cleanRegistry(id); 928 929 this.defined = true; 930 } 931 932 //Finished the define stage. Allow calling check again 933 //to allow define notifications below in the case of a 934 //cycle. 935 this.defining = false; 936 937 if (this.defined && !this.defineEmitted) { 938 this.defineEmitted = true; 939 this.emit('defined', this.exports); 940 this.defineEmitComplete = true; 941 } 942 943 } 944 }, 945 946 callPlugin: function () { 947 var map = this.map, 948 id = map.id, 949 //Map already normalized the prefix. 950 pluginMap = makeModuleMap(map.prefix); 951 952 //Mark this as a dependency for this plugin, so it 953 //can be traced for cycles. 954 this.depMaps.push(pluginMap); 955 956 on(pluginMap, 'defined', bind(this, function (plugin) { 957 var load, normalizedMap, normalizedMod, 958 bundleId = getOwn(bundlesMap, this.map.id), 959 name = this.map.name, 960 parentName = this.map.parentMap ? this.map.parentMap.name : null, 961 localRequire = context.makeRequire(map.parentMap, { 962 enableBuildCallback: true 963 }); 964 965 //If current map is not normalized, wait for that 966 //normalized name to load instead of continuing. 967 if (this.map.unnormalized) { 968 //Normalize the ID if the plugin allows it. 969 if (plugin.normalize) { 970 name = plugin.normalize(name, function (name) { 971 return normalize(name, parentName, true); 972 }) || ''; 973 } 974 975 //prefix and name should already be normalized, no need 976 //for applying map config again either. 977 normalizedMap = makeModuleMap(map.prefix + '!' + name, 978 this.map.parentMap, 979 true); 980 on(normalizedMap, 981 'defined', bind(this, function (value) { 982 this.map.normalizedMap = normalizedMap; 983 this.init([], function () { return value; }, null, { 984 enabled: true, 985 ignore: true 986 }); 987 })); 988 989 normalizedMod = getOwn(registry, normalizedMap.id); 990 if (normalizedMod) { 991 //Mark this as a dependency for this plugin, so it 992 //can be traced for cycles. 993 this.depMaps.push(normalizedMap); 994 995 if (this.events.error) { 996 normalizedMod.on('error', bind(this, function (err) { 997 this.emit('error', err); 998 })); 999 } 1000 normalizedMod.enable(); 1001 } 1002 1003 return; 1004 } 1005 1006 //If a paths config, then just load that file instead to 1007 //resolve the plugin, as it is built into that paths layer. 1008 if (bundleId) { 1009 this.map.url = context.nameToUrl(bundleId); 1010 this.load(); 1011 return; 1012 } 1013 1014 load = bind(this, function (value) { 1015 this.init([], function () { return value; }, null, { 1016 enabled: true 1017 }); 1018 }); 1019 1020 load.error = bind(this, function (err) { 1021 this.inited = true; 1022 this.error = err; 1023 err.requireModules = [id]; 1024 1025 //Remove temp unnormalized modules for this module, 1026 //since they will never be resolved otherwise now. 1027 eachProp(registry, function (mod) { 1028 if (mod.map.id.indexOf(id + '_unnormalized') === 0) { 1029 cleanRegistry(mod.map.id); 1030 } 1031 }); 1032 1033 onError(err); 1034 }); 1035 1036 //Allow plugins to load other code without having to know the 1037 //context or how to 'complete' the load. 1038 load.fromText = bind(this, function (text, textAlt) { 1039 /*jslint evil: true */ 1040 var moduleName = map.name, 1041 moduleMap = makeModuleMap(moduleName), 1042 hasInteractive = useInteractive; 1043 1044 //As of 2.1.0, support just passing the text, to reinforce 1045 //fromText only being called once per resource. Still 1046 //support old style of passing moduleName but discard 1047 //that moduleName in favor of the internal ref. 1048 if (textAlt) { 1049 text = textAlt; 1050 } 1051 1052 //Turn off interactive script matching for IE for any define 1053 //calls in the text, then turn it back on at the end. 1054 if (hasInteractive) { 1055 useInteractive = false; 1056 } 1057 1058 //Prime the system by creating a module instance for 1059 //it. 1060 getModule(moduleMap); 1061 1062 //Transfer any config to this other module. 1063 if (hasProp(config.config, id)) { 1064 config.config[moduleName] = config.config[id]; 1065 } 1066 1067 try { 1068 req.exec(text); 1069 } catch (e) { 1070 return onError(makeError('fromtexteval', 1071 'fromText eval for ' + id + 1072 ' failed: ' + e, 1073 e, 1074 [id])); 1075 } 1076 1077 if (hasInteractive) { 1078 useInteractive = true; 1079 } 1080 1081 //Mark this as a dependency for the plugin 1082 //resource 1083 this.depMaps.push(moduleMap); 1084 1085 //Support anonymous modules. 1086 context.completeLoad(moduleName); 1087 1088 //Bind the value of that module to the value for this 1089 //resource ID. 1090 localRequire([moduleName], load); 1091 }); 1092 1093 //Use parentName here since the plugin's name is not reliable, 1094 //could be some weird string with no path that actually wants to 1095 //reference the parentName's path. 1096 plugin.load(map.name, localRequire, load, config); 1097 })); 1098 1099 context.enable(pluginMap, this); 1100 this.pluginMaps[pluginMap.id] = pluginMap; 1101 }, 1102 1103 enable: function () { 1104 enabledRegistry[this.map.id] = this; 1105 this.enabled = true; 1106 1107 //Set flag mentioning that the module is enabling, 1108 //so that immediate calls to the defined callbacks 1109 //for dependencies do not trigger inadvertent load 1110 //with the depCount still being zero. 1111 this.enabling = true; 1112 1113 //Enable each dependency 1114 each(this.depMaps, bind(this, function (depMap, i) { 1115 var id, mod, handler; 1116 1117 if (typeof depMap === 'string') { 1118 //Dependency needs to be converted to a depMap 1119 //and wired up to this module. 1120 depMap = makeModuleMap(depMap, 1121 (this.map.isDefine ? this.map : this.map.parentMap), 1122 false, 1123 !this.skipMap); 1124 this.depMaps[i] = depMap; 1125 1126 handler = getOwn(handlers, depMap.id); 1127 1128 if (handler) { 1129 this.depExports[i] = handler(this); 1130 return; 1131 } 1132 1133 this.depCount += 1; 1134 1135 on(depMap, 'defined', bind(this, function (depExports) { 1136 if (this.undefed) { 1137 return; 1138 } 1139 this.defineDep(i, depExports); 1140 this.check(); 1141 })); 1142 1143 if (this.errback) { 1144 on(depMap, 'error', bind(this, this.errback)); 1145 } else if (this.events.error) { 1146 // No direct errback on this module, but something 1147 // else is listening for errors, so be sure to 1148 // propagate the error correctly. 1149 on(depMap, 'error', bind(this, function(err) { 1150 this.emit('error', err); 1151 })); 1152 } 1153 } 1154 1155 id = depMap.id; 1156 mod = registry[id]; 1157 1158 //Skip special modules like 'require', 'exports', 'module' 1159 //Also, don't call enable if it is already enabled, 1160 //important in circular dependency cases. 1161 if (!hasProp(handlers, id) && mod && !mod.enabled) { 1162 context.enable(depMap, this); 1163 } 1164 })); 1165 1166 //Enable each plugin that is used in 1167 //a dependency 1168 eachProp(this.pluginMaps, bind(this, function (pluginMap) { 1169 var mod = getOwn(registry, pluginMap.id); 1170 if (mod && !mod.enabled) { 1171 context.enable(pluginMap, this); 1172 } 1173 })); 1174 1175 this.enabling = false; 1176 1177 this.check(); 1178 }, 1179 1180 on: function (name, cb) { 1181 var cbs = this.events[name]; 1182 if (!cbs) { 1183 cbs = this.events[name] = []; 1184 } 1185 cbs.push(cb); 1186 }, 1187 1188 emit: function (name, evt) { 1189 each(this.events[name], function (cb) { 1190 cb(evt); 1191 }); 1192 if (name === 'error') { 1193 //Now that the error handler was triggered, remove 1194 //the listeners, since this broken Module instance 1195 //can stay around for a while in the registry. 1196 delete this.events[name]; 1197 } 1198 } 1199 }; 1200 1201 function callGetModule(args) { 1202 //Skip modules already defined. 1203 if (!hasProp(defined, args[0])) { 1204 getModule(makeModuleMap(args[0], null, true)).init(args[1], args[2]); 1205 } 1206 } 1207 1208 function removeListener(node, func, name, ieName) { 1209 //Favor detachEvent because of IE9 1210 //issue, see attachEvent/addEventListener comment elsewhere 1211 //in this file. 1212 if (node.detachEvent && !isOpera) { 1213 //Probably IE. If not it will throw an error, which will be 1214 //useful to know. 1215 if (ieName) { 1216 node.detachEvent(ieName, func); 1217 } 1218 } else { 1219 node.removeEventListener(name, func, false); 1220 } 1221 } 1222 1223 /** 1224 * Given an event from a script node, get the requirejs info from it, 1225 * and then removes the event listeners on the node. 1226 * @param {Event} evt 1227 * @returns {Object} 1228 */ 1229 function getScriptData(evt) { 1230 //Using currentTarget instead of target for Firefox 2.0's sake. Not 1231 //all old browsers will be supported, but this one was easy enough 1232 //to support and still makes sense. 1233 var node = evt.currentTarget || evt.srcElement; 1234 1235 //Remove the listeners once here. 1236 removeListener(node, context.onScriptLoad, 'load', 'onreadystatechange'); 1237 removeListener(node, context.onScriptError, 'error'); 1238 1239 return { 1240 node: node, 1241 id: node && node.getAttribute('data-requiremodule') 1242 }; 1243 } 1244 1245 function intakeDefines() { 1246 var args; 1247 1248 //Any defined modules in the global queue, intake them now. 1249 takeGlobalQueue(); 1250 1251 //Make sure any remaining defQueue items get properly processed. 1252 while (defQueue.length) { 1253 args = defQueue.shift(); 1254 if (args[0] === null) { 1255 return onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + 1256 args[args.length - 1])); 1257 } else { 1258 //args are id, deps, factory. Should be normalized by the 1259 //define() function. 1260 callGetModule(args); 1261 } 1262 } 1263 context.defQueueMap = {}; 1264 } 1265 1266 context = { 1267 config: config, 1268 contextName: contextName, 1269 registry: registry, 1270 defined: defined, 1271 urlFetched: urlFetched, 1272 defQueue: defQueue, 1273 defQueueMap: {}, 1274 Module: Module, 1275 makeModuleMap: makeModuleMap, 1276 nextTick: req.nextTick, 1277 onError: onError, 1278 1279 /** 1280 * Set a configuration for the context. 1281 * @param {Object} cfg config object to integrate. 1282 */ 1283 configure: function (cfg) { 1284 //Make sure the baseUrl ends in a slash. 1285 if (cfg.baseUrl) { 1286 if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== '/') { 1287 cfg.baseUrl += '/'; 1288 } 1289 } 1290 1291 // Convert old style urlArgs string to a function. 1292 if (typeof cfg.urlArgs === 'string') { 1293 var urlArgs = cfg.urlArgs; 1294 cfg.urlArgs = function(id, url) { 1295 return (url.indexOf('?') === -1 ? '?' : '&') + urlArgs; 1296 }; 1297 } 1298 1299 //Save off the paths since they require special processing, 1300 //they are additive. 1301 var shim = config.shim, 1302 objs = { 1303 paths: true, 1304 bundles: true, 1305 config: true, 1306 map: true 1307 }; 1308 1309 eachProp(cfg, function (value, prop) { 1310 if (objs[prop]) { 1311 if (!config[prop]) { 1312 config[prop] = {}; 1313 } 1314 mixin(config[prop], value, true, true); 1315 } else { 1316 config[prop] = value; 1317 } 1318 }); 1319 1320 //Reverse map the bundles 1321 if (cfg.bundles) { 1322 eachProp(cfg.bundles, function (value, prop) { 1323 each(value, function (v) { 1324 if (v !== prop) { 1325 bundlesMap[v] = prop; 1326 } 1327 }); 1328 }); 1329 } 1330 1331 //Merge shim 1332 if (cfg.shim) { 1333 eachProp(cfg.shim, function (value, id) { 1334 //Normalize the structure 1335 if (isArray(value)) { 1336 value = { 1337 deps: value 1338 }; 1339 } 1340 if ((value.exports || value.init) && !value.exportsFn) { 1341 value.exportsFn = context.makeShimExports(value); 1342 } 1343 shim[id] = value; 1344 }); 1345 config.shim = shim; 1346 } 1347 1348 //Adjust packages if necessary. 1349 if (cfg.packages) { 1350 each(cfg.packages, function (pkgObj) { 1351 var location, name; 1352 1353 pkgObj = typeof pkgObj === 'string' ? {name: pkgObj} : pkgObj; 1354 1355 name = pkgObj.name; 1356 location = pkgObj.location; 1357 if (location) { 1358 config.paths[name] = pkgObj.location; 1359 } 1360 1361 //Save pointer to main module ID for pkg name. 1362 //Remove leading dot in main, so main paths are normalized, 1363 //and remove any trailing .js, since different package 1364 //envs have different conventions: some use a module name, 1365 //some use a file name. 1366 config.pkgs[name] = pkgObj.name + '/' + (pkgObj.main || 'main') 1367 .replace(currDirRegExp, '') 1368 .replace(jsSuffixRegExp, ''); 1369 }); 1370 } 1371 1372 //If there are any "waiting to execute" modules in the registry, 1373 //update the maps for them, since their info, like URLs to load, 1374 //may have changed. 1375 eachProp(registry, function (mod, id) { 1376 //If module already has init called, since it is too 1377 //late to modify them, and ignore unnormalized ones 1378 //since they are transient. 1379 if (!mod.inited && !mod.map.unnormalized) { 1380 mod.map = makeModuleMap(id, null, true); 1381 } 1382 }); 1383 1384 //If a deps array or a config callback is specified, then call 1385 //require with those args. This is useful when require is defined as a 1386 //config object before require.js is loaded. 1387 if (cfg.deps || cfg.callback) { 1388 context.require(cfg.deps || [], cfg.callback); 1389 } 1390 }, 1391 1392 makeShimExports: function (value) { 1393 function fn() { 1394 var ret; 1395 if (value.init) { 1396 ret = value.init.apply(global, arguments); 1397 } 1398 return ret || (value.exports && getGlobal(value.exports)); 1399 } 1400 return fn; 1401 }, 1402 1403 makeRequire: function (relMap, options) { 1404 options = options || {}; 1405 1406 function localRequire(deps, callback, errback) { 1407 var id, map, requireMod; 1408 1409 if (options.enableBuildCallback && callback && isFunction(callback)) { 1410 callback.__requireJsBuild = true; 1411 } 1412 1413 if (typeof deps === 'string') { 1414 if (isFunction(callback)) { 1415 //Invalid call 1416 return onError(makeError('requireargs', 'Invalid require call'), errback); 1417 } 1418 1419 //If require|exports|module are requested, get the 1420 //value for them from the special handlers. Caveat: 1421 //this only works while module is being defined. 1422 if (relMap && hasProp(handlers, deps)) { 1423 return handlers[deps](registry[relMap.id]); 1424 } 1425 1426 //Synchronous access to one module. If require.get is 1427 //available (as in the Node adapter), prefer that. 1428 if (req.get) { 1429 return req.get(context, deps, relMap, localRequire); 1430 } 1431 1432 //Normalize module name, if it contains . or .. 1433 map = makeModuleMap(deps, relMap, false, true); 1434 id = map.id; 1435 1436 if (!hasProp(defined, id)) { 1437 return onError(makeError('notloaded', 'Module name "' + 1438 id + 1439 '" has not been loaded yet for context: ' + 1440 contextName + 1441 (relMap ? '' : '. Use require([])'))); 1442 } 1443 return defined[id]; 1444 } 1445 1446 //Grab defines waiting in the global queue. 1447 intakeDefines(); 1448 1449 //Mark all the dependencies as needing to be loaded. 1450 context.nextTick(function () { 1451 //Some defines could have been added since the 1452 //require call, collect them. 1453 intakeDefines(); 1454 1455 requireMod = getModule(makeModuleMap(null, relMap)); 1456 1457 //Store if map config should be applied to this require 1458 //call for dependencies. 1459 requireMod.skipMap = options.skipMap; 1460 1461 requireMod.init(deps, callback, errback, { 1462 enabled: true 1463 }); 1464 1465 checkLoaded(); 1466 }); 1467 1468 return localRequire; 1469 } 1470 1471 mixin(localRequire, { 1472 isBrowser: isBrowser, 1473 1474 /** 1475 * Converts a module name + .extension into an URL path. 1476 * *Requires* the use of a module name. It does not support using 1477 * plain URLs like nameToUrl. 1478 */ 1479 toUrl: function (moduleNamePlusExt) { 1480 var ext, 1481 index = moduleNamePlusExt.lastIndexOf('.'), 1482 segment = moduleNamePlusExt.split('/')[0], 1483 isRelative = segment === '.' || segment === '..'; 1484 1485 //Have a file extension alias, and it is not the 1486 //dots from a relative path. 1487 if (index !== -1 && (!isRelative || index > 1)) { 1488 ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length); 1489 moduleNamePlusExt = moduleNamePlusExt.substring(0, index); 1490 } 1491 1492 return context.nameToUrl(normalize(moduleNamePlusExt, 1493 relMap && relMap.id, true), ext, true); 1494 }, 1495 1496 defined: function (id) { 1497 return hasProp(defined, makeModuleMap(id, relMap, false, true).id); 1498 }, 1499 1500 specified: function (id) { 1501 id = makeModuleMap(id, relMap, false, true).id; 1502 return hasProp(defined, id) || hasProp(registry, id); 1503 } 1504 }); 1505 1506 //Only allow undef on top level require calls 1507 if (!relMap) { 1508 localRequire.undef = function (id) { 1509 //Bind any waiting define() calls to this context, 1510 //fix for #408 1511 takeGlobalQueue(); 1512 1513 var map = makeModuleMap(id, relMap, true), 1514 mod = getOwn(registry, id); 1515 1516 mod.undefed = true; 1517 removeScript(id); 1518 1519 delete defined[id]; 1520 delete urlFetched[map.url]; 1521 delete undefEvents[id]; 1522 1523 //Clean queued defines too. Go backwards 1524 //in array so that the splices do not 1525 //mess up the iteration. 1526 eachReverse(defQueue, function(args, i) { 1527 if (args[0] === id) { 1528 defQueue.splice(i, 1); 1529 } 1530 }); 1531 delete context.defQueueMap[id]; 1532 1533 if (mod) { 1534 //Hold on to listeners in case the 1535 //module will be attempted to be reloaded 1536 //using a different config. 1537 if (mod.events.defined) { 1538 undefEvents[id] = mod.events; 1539 } 1540 1541 cleanRegistry(id); 1542 } 1543 }; 1544 } 1545 1546 return localRequire; 1547 }, 1548 1549 /** 1550 * Called to enable a module if it is still in the registry 1551 * awaiting enablement. A second arg, parent, the parent module, 1552 * is passed in for context, when this method is overridden by 1553 * the optimizer. Not shown here to keep code compact. 1554 */ 1555 enable: function (depMap) { 1556 var mod = getOwn(registry, depMap.id); 1557 if (mod) { 1558 getModule(depMap).enable(); 1559 } 1560 }, 1561 1562 /** 1563 * Internal method used by environment adapters to complete a load event. 1564 * A load event could be a script load or just a load pass from a synchronous 1565 * load call. 1566 * @param {String} moduleName the name of the module to potentially complete. 1567 */ 1568 completeLoad: function (moduleName) { 1569 var found, args, mod, 1570 shim = getOwn(config.shim, moduleName) || {}, 1571 shExports = shim.exports; 1572 1573 takeGlobalQueue(); 1574 1575 while (defQueue.length) { 1576 args = defQueue.shift(); 1577 if (args[0] === null) { 1578 args[0] = moduleName; 1579 //If already found an anonymous module and bound it 1580 //to this name, then this is some other anon module 1581 //waiting for its completeLoad to fire. 1582 if (found) { 1583 break; 1584 } 1585 found = true; 1586 } else if (args[0] === moduleName) { 1587 //Found matching define call for this script! 1588 found = true; 1589 } 1590 1591 callGetModule(args); 1592 } 1593 context.defQueueMap = {}; 1594 1595 //Do this after the cycle of callGetModule in case the result 1596 //of those calls/init calls changes the registry. 1597 mod = getOwn(registry, moduleName); 1598 1599 if (!found && !hasProp(defined, moduleName) && mod && !mod.inited) { 1600 if (config.enforceDefine && (!shExports || !getGlobal(shExports))) { 1601 if (hasPathFallback(moduleName)) { 1602 return; 1603 } else { 1604 return onError(makeError('nodefine', 1605 'No define call for ' + moduleName, 1606 null, 1607 [moduleName])); 1608 } 1609 } else { 1610 //A script that does not call define(), so just simulate 1611 //the call for it. 1612 callGetModule([moduleName, (shim.deps || []), shim.exportsFn]); 1613 } 1614 } 1615 1616 checkLoaded(); 1617 }, 1618 1619 /** 1620 * Converts a module name to a file path. Supports cases where 1621 * moduleName may actually be just an URL. 1622 * Note that it **does not** call normalize on the moduleName, 1623 * it is assumed to have already been normalized. This is an 1624 * internal API, not a public one. Use toUrl for the public API. 1625 */ 1626 nameToUrl: function (moduleName, ext, skipExt) { 1627 var paths, syms, i, parentModule, url, 1628 parentPath, bundleId, 1629 pkgMain = getOwn(config.pkgs, moduleName); 1630 1631 if (pkgMain) { 1632 moduleName = pkgMain; 1633 } 1634 1635 bundleId = getOwn(bundlesMap, moduleName); 1636 1637 if (bundleId) { 1638 return context.nameToUrl(bundleId, ext, skipExt); 1639 } 1640 1641 //If a colon is in the URL, it indicates a protocol is used and it is just 1642 //an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?) 1643 //or ends with .js, then assume the user meant to use an url and not a module id. 1644 //The slash is important for protocol-less URLs as well as full paths. 1645 if (req.jsExtRegExp.test(moduleName)) { 1646 //Just a plain path, not module name lookup, so just return it. 1647 //Add extension if it is included. This is a bit wonky, only non-.js things pass 1648 //an extension, this method probably needs to be reworked. 1649 url = moduleName + (ext || ''); 1650 } else { 1651 //A module that needs to be converted to a path. 1652 paths = config.paths; 1653 1654 syms = moduleName.split('/'); 1655 //For each module name segment, see if there is a path 1656 //registered for it. Start with most specific name 1657 //and work up from it. 1658 for (i = syms.length; i > 0; i -= 1) { 1659 parentModule = syms.slice(0, i).join('/'); 1660 1661 parentPath = getOwn(paths, parentModule); 1662 if (parentPath) { 1663 //If an array, it means there are a few choices, 1664 //Choose the one that is desired 1665 if (isArray(parentPath)) { 1666 parentPath = parentPath[0]; 1667 } 1668 syms.splice(0, i, parentPath); 1669 break; 1670 } 1671 } 1672 1673 //Join the path parts together, then figure out if baseUrl is needed. 1674 url = syms.join('/'); 1675 url += (ext || (/^data\:|^blob\:|\?/.test(url) || skipExt ? '' : '.js')); 1676 url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url; 1677 } 1678 1679 return config.urlArgs && !/^blob\:/.test(url) ? 1680 url + config.urlArgs(moduleName, url) : url; 1681 }, 1682 1683 //Delegates to req.load. Broken out as a separate function to 1684 //allow overriding in the optimizer. 1685 load: function (id, url) { 1686 req.load(context, id, url); 1687 }, 1688 1689 /** 1690 * Executes a module callback function. Broken out as a separate function 1691 * solely to allow the build system to sequence the files in the built 1692 * layer in the right sequence. 1693 * 1694 * @private 1695 */ 1696 execCb: function (name, callback, args, exports) { 1697 return callback.apply(exports, args); 1698 }, 1699 1700 /** 1701 * callback for script loads, used to check status of loading. 1702 * 1703 * @param {Event} evt the event from the browser for the script 1704 * that was loaded. 1705 */ 1706 onScriptLoad: function (evt) { 1707 //Using currentTarget instead of target for Firefox 2.0's sake. Not 1708 //all old browsers will be supported, but this one was easy enough 1709 //to support and still makes sense. 1710 if (evt.type === 'load' || 1711 (readyRegExp.test((evt.currentTarget || evt.srcElement).readyState))) { 1712 //Reset interactive script so a script node is not held onto for 1713 //to long. 1714 interactiveScript = null; 1715 1716 //Pull out the name of the module and the context. 1717 var data = getScriptData(evt); 1718 context.completeLoad(data.id); 1719 } 1720 }, 1721 1722 /** 1723 * Callback for script errors. 1724 */ 1725 onScriptError: function (evt) { 1726 var data = getScriptData(evt); 1727 if (!hasPathFallback(data.id)) { 1728 var parents = []; 1729 eachProp(registry, function(value, key) { 1730 if (key.indexOf('_@r') !== 0) { 1731 each(value.depMaps, function(depMap) { 1732 if (depMap.id === data.id) { 1733 parents.push(key); 1734 return true; 1735 } 1736 }); 1737 } 1738 }); 1739 return onError(makeError('scripterror', 'Script error for "' + data.id + 1740 (parents.length ? 1741 '", needed by: ' + parents.join(', ') : 1742 '"'), evt, [data.id])); 1743 } 1744 } 1745 }; 1746 1747 context.require = context.makeRequire(); 1748 return context; 1749 } 1750 1751 /** 1752 * Main entry point. 1753 * 1754 * If the only argument to require is a string, then the module that 1755 * is represented by that string is fetched for the appropriate context. 1756 * 1757 * If the first argument is an array, then it will be treated as an array 1758 * of dependency string names to fetch. An optional function callback can 1759 * be specified to execute when all of those dependencies are available. 1760 * 1761 * Make a local req variable to help Caja compliance (it assumes things 1762 * on a require that are not standardized), and to give a short 1763 * name for minification/local scope use. 1764 */ 1765 req = requirejs = function (deps, callback, errback, optional) { 1766 1767 //Find the right context, use default 1768 var context, config, 1769 contextName = defContextName; 1770 1771 // Determine if have config object in the call. 1772 if (!isArray(deps) && typeof deps !== 'string') { 1773 // deps is a config object 1774 config = deps; 1775 if (isArray(callback)) { 1776 // Adjust args if there are dependencies 1777 deps = callback; 1778 callback = errback; 1779 errback = optional; 1780 } else { 1781 deps = []; 1782 } 1783 } 1784 1785 if (config && config.context) { 1786 contextName = config.context; 1787 } 1788 1789 context = getOwn(contexts, contextName); 1790 if (!context) { 1791 context = contexts[contextName] = req.s.newContext(contextName); 1792 } 1793 1794 if (config) { 1795 context.configure(config); 1796 } 1797 1798 return context.require(deps, callback, errback); 1799 }; 1800 1801 /** 1802 * Support require.config() to make it easier to cooperate with other 1803 * AMD loaders on globally agreed names. 1804 */ 1805 req.config = function (config) { 1806 return req(config); 1807 }; 1808 1809 /** 1810 * Execute something after the current tick 1811 * of the event loop. Override for other envs 1812 * that have a better solution than setTimeout. 1813 * @param {Function} fn function to execute later. 1814 */ 1815 req.nextTick = typeof setTimeout !== 'undefined' ? function (fn) { 1816 setTimeout(fn, 4); 1817 } : function (fn) { fn(); }; 1818 1819 /** 1820 * Export require as a global, but only if it does not already exist. 1821 */ 1822 if (!require) { 1823 require = req; 1824 } 1825 1826 req.version = version; 1827 1828 //Used to filter out dependencies that are already paths. 1829 req.jsExtRegExp = /^\/|:|\?|\.js$/; 1830 req.isBrowser = isBrowser; 1831 s = req.s = { 1832 contexts: contexts, 1833 newContext: newContext 1834 }; 1835 1836 //Create default context. 1837 req({}); 1838 1839 //Exports some context-sensitive methods on global require. 1840 each([ 1841 'toUrl', 1842 'undef', 1843 'defined', 1844 'specified' 1845 ], function (prop) { 1846 //Reference from contexts instead of early binding to default context, 1847 //so that during builds, the latest instance of the default context 1848 //with its config gets used. 1849 req[prop] = function () { 1850 var ctx = contexts[defContextName]; 1851 return ctx.require[prop].apply(ctx, arguments); 1852 }; 1853 }); 1854 1855 if (isBrowser) { 1856 head = s.head = document.getElementsByTagName('head')[0]; 1857 //If BASE tag is in play, using appendChild is a problem for IE6. 1858 //When that browser dies, this can be removed. Details in this jQuery bug: 1859 //http://dev.jquery.com/ticket/2709 1860 baseElement = document.getElementsByTagName('base')[0]; 1861 if (baseElement) { 1862 head = s.head = baseElement.parentNode; 1863 } 1864 } 1865 1866 /** 1867 * Any errors that require explicitly generates will be passed to this 1868 * function. Intercept/override it if you want custom error handling. 1869 * @param {Error} err the error object. 1870 */ 1871 req.onError = defaultOnError; 1872 1873 /** 1874 * Creates the node for the load command. Only used in browser envs. 1875 */ 1876 req.createNode = function (config, moduleName, url) { 1877 var node = config.xhtml ? 1878 document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') : 1879 document.createElement('script'); 1880 node.type = config.scriptType || 'text/javascript'; 1881 node.charset = 'utf-8'; 1882 node.async = true; 1883 return node; 1884 }; 1885 1886 /** 1887 * Does the request to load a module for the browser case. 1888 * Make this a separate function to allow other environments 1889 * to override it. 1890 * 1891 * @param {Object} context the require context to find state. 1892 * @param {String} moduleName the name of the module. 1893 * @param {Object} url the URL to the module. 1894 */ 1895 req.load = function (context, moduleName, url) { 1896 var config = (context && context.config) || {}, 1897 node; 1898 if (isBrowser) { 1899 //In the browser so use a script tag 1900 node = req.createNode(config, moduleName, url); 1901 1902 node.setAttribute('data-requirecontext', context.contextName); 1903 node.setAttribute('data-requiremodule', moduleName); 1904 1905 //Set up load listener. Test attachEvent first because IE9 has 1906 //a subtle issue in its addEventListener and script onload firings 1907 //that do not match the behavior of all other browsers with 1908 //addEventListener support, which fire the onload event for a 1909 //script right after the script execution. See: 1910 //https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution 1911 //UNFORTUNATELY Opera implements attachEvent but does not follow the script 1912 //script execution mode. 1913 if (node.attachEvent && 1914 //Check if node.attachEvent is artificially added by custom script or 1915 //natively supported by browser 1916 //read https://github.com/requirejs/requirejs/issues/187 1917 //if we can NOT find [native code] then it must NOT natively supported. 1918 //in IE8, node.attachEvent does not have toString() 1919 //Note the test for "[native code" with no closing brace, see: 1920 //https://github.com/requirejs/requirejs/issues/273 1921 !(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) && 1922 !isOpera) { 1923 //Probably IE. IE (at least 6-8) do not fire 1924 //script onload right after executing the script, so 1925 //we cannot tie the anonymous define call to a name. 1926 //However, IE reports the script as being in 'interactive' 1927 //readyState at the time of the define call. 1928 useInteractive = true; 1929 1930 node.attachEvent('onreadystatechange', context.onScriptLoad); 1931 //It would be great to add an error handler here to catch 1932 //404s in IE9+. However, onreadystatechange will fire before 1933 //the error handler, so that does not help. If addEventListener 1934 //is used, then IE will fire error before load, but we cannot 1935 //use that pathway given the connect.microsoft.com issue 1936 //mentioned above about not doing the 'script execute, 1937 //then fire the script load event listener before execute 1938 //next script' that other browsers do. 1939 //Best hope: IE10 fixes the issues, 1940 //and then destroys all installs of IE 6-9. 1941 //node.attachEvent('onerror', context.onScriptError); 1942 } else { 1943 node.addEventListener('load', context.onScriptLoad, false); 1944 node.addEventListener('error', context.onScriptError, false); 1945 } 1946 node.src = url; 1947 1948 //Calling onNodeCreated after all properties on the node have been 1949 //set, but before it is placed in the DOM. 1950 if (config.onNodeCreated) { 1951 config.onNodeCreated(node, config, moduleName, url); 1952 } 1953 1954 //For some cache cases in IE 6-8, the script executes before the end 1955 //of the appendChild execution, so to tie an anonymous define 1956 //call to the module name (which is stored on the node), hold on 1957 //to a reference to this node, but clear after the DOM insertion. 1958 currentlyAddingScript = node; 1959 if (baseElement) { 1960 head.insertBefore(node, baseElement); 1961 } else { 1962 head.appendChild(node); 1963 } 1964 currentlyAddingScript = null; 1965 1966 return node; 1967 } else if (isWebWorker) { 1968 try { 1969 //In a web worker, use importScripts. This is not a very 1970 //efficient use of importScripts, importScripts will block until 1971 //its script is downloaded and evaluated. However, if web workers 1972 //are in play, the expectation is that a build has been done so 1973 //that only one script needs to be loaded anyway. This may need 1974 //to be reevaluated if other use cases become common. 1975 1976 // Post a task to the event loop to work around a bug in WebKit 1977 // where the worker gets garbage-collected after calling 1978 // importScripts(): https://webkit.org/b/153317 1979 setTimeout(function() {}, 0); 1980 importScripts(url); 1981 1982 //Account for anonymous modules 1983 context.completeLoad(moduleName); 1984 } catch (e) { 1985 context.onError(makeError('importscripts', 1986 'importScripts failed for ' + 1987 moduleName + ' at ' + url, 1988 e, 1989 [moduleName])); 1990 } 1991 } 1992 }; 1993 1994 function getInteractiveScript() { 1995 if (interactiveScript && interactiveScript.readyState === 'interactive') { 1996 return interactiveScript; 1997 } 1998 1999 eachReverse(scripts(), function (script) { 2000 if (script.readyState === 'interactive') { 2001 return (interactiveScript = script); 2002 } 2003 }); 2004 return interactiveScript; 2005 } 2006 2007 //Look for a data-main script attribute, which could also adjust the baseUrl. 2008 if (isBrowser && !cfg.skipDataMain) { 2009 //Figure out baseUrl. Get it from the script tag with require.js in it. 2010 eachReverse(scripts(), function (script) { 2011 //Set the 'head' where we can append children by 2012 //using the script's parent. 2013 if (!head) { 2014 head = script.parentNode; 2015 } 2016 2017 //Look for a data-main attribute to set main script for the page 2018 //to load. If it is there, the path to data main becomes the 2019 //baseUrl, if it is not already set. 2020 dataMain = script.getAttribute('data-main'); 2021 if (dataMain) { 2022 //Preserve dataMain in case it is a path (i.e. contains '?') 2023 mainScript = dataMain; 2024 2025 //Set final baseUrl if there is not already an explicit one, 2026 //but only do so if the data-main value is not a loader plugin 2027 //module ID. 2028 if (!cfg.baseUrl && mainScript.indexOf('!') === -1) { 2029 //Pull off the directory of data-main for use as the 2030 //baseUrl. 2031 src = mainScript.split('/'); 2032 mainScript = src.pop(); 2033 subPath = src.length ? src.join('/') + '/' : './'; 2034 2035 cfg.baseUrl = subPath; 2036 } 2037 2038 //Strip off any trailing .js since mainScript is now 2039 //like a module name. 2040 mainScript = mainScript.replace(jsSuffixRegExp, ''); 2041 2042 //If mainScript is still a path, fall back to dataMain 2043 if (req.jsExtRegExp.test(mainScript)) { 2044 mainScript = dataMain; 2045 } 2046 2047 //Put the data-main script in the files to load. 2048 cfg.deps = cfg.deps ? cfg.deps.concat(mainScript) : [mainScript]; 2049 2050 return true; 2051 } 2052 }); 2053 } 2054 2055 /** 2056 * The function that handles definitions of modules. Differs from 2057 * require() in that a string for the module should be the first argument, 2058 * and the function to execute after dependencies are loaded should 2059 * return a value to define the module corresponding to the first argument's 2060 * name. 2061 */ 2062 define = function (name, deps, callback) { 2063 var node, context; 2064 2065 //Allow for anonymous modules 2066 if (typeof name !== 'string') { 2067 //Adjust args appropriately 2068 callback = deps; 2069 deps = name; 2070 name = null; 2071 } 2072 2073 //This module may not have dependencies 2074 if (!isArray(deps)) { 2075 callback = deps; 2076 deps = null; 2077 } 2078 2079 //If no name, and callback is a function, then figure out if it a 2080 //CommonJS thing with dependencies. 2081 if (!deps && isFunction(callback)) { 2082 deps = []; 2083 //Remove comments from the callback string, 2084 //look for require calls, and pull them into the dependencies, 2085 //but only if there are function args. 2086 if (callback.length) { 2087 callback 2088 .toString() 2089 .replace(commentRegExp, commentReplace) 2090 .replace(cjsRequireRegExp, function (match, dep) { 2091 deps.push(dep); 2092 }); 2093 2094 //May be a CommonJS thing even without require calls, but still 2095 //could use exports, and module. Avoid doing exports and module 2096 //work though if it just needs require. 2097 //REQUIRES the function to expect the CommonJS variables in the 2098 //order listed below. 2099 deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps); 2100 } 2101 } 2102 2103 //If in IE 6-8 and hit an anonymous define() call, do the interactive 2104 //work. 2105 if (useInteractive) { 2106 node = currentlyAddingScript || getInteractiveScript(); 2107 if (node) { 2108 if (!name) { 2109 name = node.getAttribute('data-requiremodule'); 2110 } 2111 context = contexts[node.getAttribute('data-requirecontext')]; 2112 } 2113 } 2114 2115 //Always save off evaluating the def call until the script onload handler. 2116 //This allows multiple modules to be in a file without prematurely 2117 //tracing dependencies, and allows for anonymous module support, 2118 //where the module name is not known until the script onload event 2119 //occurs. If no context, use the global queue, and get it processed 2120 //in the onscript load callback. 2121 if (context) { 2122 context.defQueue.push([name, deps, callback]); 2123 context.defQueueMap[name] = true; 2124 } else { 2125 globalDefQueue.push([name, deps, callback]); 2126 } 2127 }; 2128 2129 define.amd = { 2130 jQuery: true 2131 }; 2132 2133 /** 2134 * Executes the text. Normally just uses eval, but can be modified 2135 * to use a better, environment-specific call. Only used for transpiling 2136 * loader plugins, not for plain JS modules. 2137 * @param {String} text the text to execute/evaluate. 2138 */ 2139 req.exec = function (text) { 2140 /*jslint evil: true */ 2141 return eval(text); 2142 }; 2143 2144 //Set up with config info. 2145 req(cfg); 2146}(this, (typeof setTimeout === 'undefined' ? undefined : setTimeout)));
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