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| 1 /** vim: et:ts=4:sw=4:sts=4 |
| 2 * @license RequireJS 2.3.3 Copyright jQuery Foundation and other contributors. |
| 3 * Released under MIT license, https://github.com/requirejs/requirejs/blob/maste
r/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 = '2.3.3', |
| 15 commentRegExp = /\/\*[\s\S]*?\*\/|([^:"'=]|^)\/\/.*$/mg, |
| 16 cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g, |
| 17 jsSuffixRegExp = /\.js$/, |
| 18 currDirRegExp = /^\.\//, |
| 19 op = Object.prototype, |
| 20 ostring = op.toString, |
| 21 hasOwn = op.hasOwnProperty, |
| 22 isBrowser = !!(typeof window !== 'undefined' && typeof navigator !== 'un
defined' && window.document), |
| 23 isWebWorker = !isBrowser && typeof importScripts !== 'undefined', |
| 24 //PS3 indicates loaded and complete, but need to wait for complete |
| 25 //specifically. Sequence is 'loading', 'loaded', execution, |
| 26 // then 'complete'. The UA check is unfortunate, but not sure how |
| 27 //to feature test w/o causing perf issues. |
| 28 readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ? |
| 29 /^complete$/ : /^(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 bas
eName's |
| 293 //module. For instance, baseName of 'one/two/three', maps to |
| 294 //'one/two/three.js', but we want the directory, 'one/two' f
or |
| 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 bas
eParts. |
| 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 fo
r |
| 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') === c
ontext.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 waitSecon
ds of 0. |
| 644 expired = waitInterval && (context.startTime + waitInterval) < n
ew 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: ' + noLoad
s, 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, depExp
orts, 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 p
lay, |
| 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.m
ap.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 || dep
Map); |
| 920 }); |
| 921 req.onResourceLoad(context, this.map, resLoadMap
s); |
| 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.nam
e : 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; }, nul
l, { |
| 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 (e
rr) { |
| 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 th
e |
| 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 reinfor
ce |
| 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 de
fine |
| 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 reliabl
e, |
| 1093 //could be some weird string with no path that actually want
s 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 : t
his.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', 'onreadystatechan
ge'); |
| 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 d
efine() 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} : p
kgObj; |
| 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 normaliz
ed, |
| 1362 //and remove any trailing .js, since different package |
| 1363 //envs have different conventions: some use a module nam
e, |
| 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 define
d 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(ca
llback)) { |
| 1409 callback.__requireJsBuild = true; |
| 1410 } |
| 1411 |
| 1412 if (typeof deps === 'string') { |
| 1413 if (isFunction(callback)) { |
| 1414 //Invalid call |
| 1415 return onError(makeError('requireargs', 'Invalid req
uire 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, moduleNameP
lusExt.length); |
| 1488 moduleNamePlusExt = moduleNamePlusExt.substring(0, i
ndex); |
| 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 e
vent. |
| 1563 * A load event could be a script load or just a load pass from a sy
nchronous |
| 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.inite
d) { |
| 1599 if (config.enforceDefine && (!shExports || !getGlobal(shExpo
rts))) { |
| 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.expor
tsFn]); |
| 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 que
ry 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 i
s 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 fun
ction |
| 1690 * solely to allow the build system to sequence the files in the bui
lt |
| 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 enou
gh |
| 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 bu
g: |
| 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:s
cript') : |
| 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-on
load-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, se
e: |
| 1919 //https://github.com/requirejs/requirejs/issues/273 |
| 1920 !(node.attachEvent.toString && node.attachEvent.toString().i
ndexOf('[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 worker
s |
| 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', 'expor
ts', '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 handle
r. |
| 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))); |
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