wp-optimize
/
vendor
/
robloach
/
component-installer
/
src
/
ComponentInstaller
/
Resources
/
require.js
require.js in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.2.5, at vendor/robloach/component-installer/src/ComponentInstaller/Resources/require.js
| 1 | /** vim: et:ts=4:sw=4:sts=4 |
| 2 | * @license RequireJS 2.1.5 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved. |
| 3 | * Available via the MIT or new BSD license. |
| 4 | * see: http://github.com/jrburke/requirejs for details |
| 5 | */ |
| 6 | //Not using strict: uneven strict support in browsers, #392, and causes |
| 7 | //problems with requirejs.exec()/transpiler plugins that may not be strict. |
| 8 | /*jslint regexp: true, nomen: true, sloppy: true */ |
| 9 | /*global window, navigator, document, importScripts, setTimeout, opera */ |
| 10 | |
| 11 | var requirejs, require, define; |
| 12 | (function (global) { |
| 13 | var req, s, head, baseElement, dataMain, src, |
| 14 | interactiveScript, currentlyAddingScript, mainScript, subPath, |
| 15 | version = '2.1.5', |
| 16 | commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg, |
| 17 | cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g, |
| 18 | jsSuffixRegExp = /\.js$/, |
| 19 | currDirRegExp = /^\.\//, |
| 20 | op = Object.prototype, |
| 21 | ostring = op.toString, |
| 22 | hasOwn = op.hasOwnProperty, |
| 23 | ap = Array.prototype, |
| 24 | apsp = ap.splice, |
| 25 | isBrowser = !!(typeof window !== 'undefined' && navigator && document), |
| 26 | isWebWorker = !isBrowser && typeof importScripts !== 'undefined', |
| 27 | //PS3 indicates loaded and complete, but need to wait for complete |
| 28 | //specifically. Sequence is 'loading', 'loaded', execution, |
| 29 | // then 'complete'. The UA check is unfortunate, but not sure how |
| 30 | //to feature test w/o causing perf issues. |
| 31 | readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ? |
| 32 | /^complete$/ : /^(complete|loaded)$/, |
| 33 | defContextName = '_', |
| 34 | //Oh the tragedy, detecting opera. See the usage of isOpera for reason. |
| 35 | isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]', |
| 36 | contexts = {}, |
| 37 | cfg = {}, |
| 38 | globalDefQueue = [], |
| 39 | useInteractive = false; |
| 40 | |
| 41 | function isFunction(it) { |
| 42 | return ostring.call(it) === '[object Function]'; |
| 43 | } |
| 44 | |
| 45 | function isArray(it) { |
| 46 | return ostring.call(it) === '[object Array]'; |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Helper function for iterating over an array. If the func returns |
| 51 | * a true value, it will break out of the loop. |
| 52 | */ |
| 53 | function each(ary, func) { |
| 54 | if (ary) { |
| 55 | var i; |
| 56 | for (i = 0; i < ary.length; i += 1) { |
| 57 | if (ary[i] && func(ary[i], i, ary)) { |
| 58 | break; |
| 59 | } |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Helper function for iterating over an array backwards. If the func |
| 66 | * returns a true value, it will break out of the loop. |
| 67 | */ |
| 68 | function eachReverse(ary, func) { |
| 69 | if (ary) { |
| 70 | var i; |
| 71 | for (i = ary.length - 1; i > -1; i -= 1) { |
| 72 | if (ary[i] && func(ary[i], i, ary)) { |
| 73 | break; |
| 74 | } |
| 75 | } |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | function hasProp(obj, prop) { |
| 80 | return hasOwn.call(obj, prop); |
| 81 | } |
| 82 | |
| 83 | function getOwn(obj, prop) { |
| 84 | return hasProp(obj, prop) && obj[prop]; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Cycles over properties in an object and calls a function for each |
| 89 | * property value. If the function returns a truthy value, then the |
| 90 | * iteration is stopped. |
| 91 | */ |
| 92 | function eachProp(obj, func) { |
| 93 | var prop; |
| 94 | for (prop in obj) { |
| 95 | if (hasProp(obj, prop)) { |
| 96 | if (func(obj[prop], prop)) { |
| 97 | break; |
| 98 | } |
| 99 | } |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Simple function to mix in properties from source into target, |
| 105 | * but only if target does not already have a property of the same name. |
| 106 | */ |
| 107 | function mixin(target, source, force, deepStringMixin) { |
| 108 | if (source) { |
| 109 | eachProp(source, function (value, prop) { |
| 110 | if (force || !hasProp(target, prop)) { |
| 111 | if (deepStringMixin && typeof value !== 'string') { |
| 112 | if (!target[prop]) { |
| 113 | target[prop] = {}; |
| 114 | } |
| 115 | mixin(target[prop], value, force, deepStringMixin); |
| 116 | } else { |
| 117 | target[prop] = value; |
| 118 | } |
| 119 | } |
| 120 | }); |
| 121 | } |
| 122 | return target; |
| 123 | } |
| 124 | |
| 125 | //Similar to Function.prototype.bind, but the 'this' object is specified |
| 126 | //first, since it is easier to read/figure out what 'this' will be. |
| 127 | function bind(obj, fn) { |
| 128 | return function () { |
| 129 | return fn.apply(obj, arguments); |
| 130 | }; |
| 131 | } |
| 132 | |
| 133 | function scripts() { |
| 134 | return document.getElementsByTagName('script'); |
| 135 | } |
| 136 | |
| 137 | //Allow getting a global that expressed in |
| 138 | //dot notation, like 'a.b.c'. |
| 139 | function getGlobal(value) { |
| 140 | if (!value) { |
| 141 | return value; |
| 142 | } |
| 143 | var g = global; |
| 144 | each(value.split('.'), function (part) { |
| 145 | g = g[part]; |
| 146 | }); |
| 147 | return g; |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Constructs an error with a pointer to an URL with more information. |
| 152 | * @param {String} id the error ID that maps to an ID on a web page. |
| 153 | * @param {String} message human readable error. |
| 154 | * @param {Error} [err] the original error, if there is one. |
| 155 | * |
| 156 | * @returns {Error} |
| 157 | */ |
| 158 | function makeError(id, msg, err, requireModules) { |
| 159 | var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id); |
| 160 | e.requireType = id; |
| 161 | e.requireModules = requireModules; |
| 162 | if (err) { |
| 163 | e.originalError = err; |
| 164 | } |
| 165 | return e; |
| 166 | } |
| 167 | |
| 168 | if (typeof define !== 'undefined') { |
| 169 | //If a define is already in play via another AMD loader, |
| 170 | //do not overwrite. |
| 171 | return; |
| 172 | } |
| 173 | |
| 174 | if (typeof requirejs !== 'undefined') { |
| 175 | if (isFunction(requirejs)) { |
| 176 | //Do not overwrite and existing requirejs instance. |
| 177 | return; |
| 178 | } |
| 179 | cfg = requirejs; |
| 180 | requirejs = undefined; |
| 181 | } |
| 182 | |
| 183 | //Allow for a require config object |
| 184 | if (typeof require !== 'undefined' && !isFunction(require)) { |
| 185 | //assume it is a config object. |
| 186 | cfg = require; |
| 187 | require = undefined; |
| 188 | } |
| 189 | |
| 190 | function newContext(contextName) { |
| 191 | var inCheckLoaded, Module, context, handlers, |
| 192 | checkLoadedTimeoutId, |
| 193 | config = { |
| 194 | //Defaults. Do not set a default for map |
| 195 | //config to speed up normalize(), which |
| 196 | //will run faster if there is no default. |
| 197 | waitSeconds: 7, |
| 198 | baseUrl: './', |
| 199 | paths: {}, |
| 200 | pkgs: {}, |
| 201 | shim: {}, |
| 202 | config: {} |
| 203 | }, |
| 204 | registry = {}, |
| 205 | //registry of just enabled modules, to speed |
| 206 | //cycle breaking code when lots of modules |
| 207 | //are registered, but not activated. |
| 208 | enabledRegistry = {}, |
| 209 | undefEvents = {}, |
| 210 | defQueue = [], |
| 211 | defined = {}, |
| 212 | urlFetched = {}, |
| 213 | requireCounter = 1, |
| 214 | unnormalizedCounter = 1; |
| 215 | |
| 216 | /** |
| 217 | * Trims the . and .. from an array of path segments. |
| 218 | * It will keep a leading path segment if a .. will become |
| 219 | * the first path segment, to help with module name lookups, |
| 220 | * which act like paths, but can be remapped. But the end result, |
| 221 | * all paths that use this function should look normalized. |
| 222 | * NOTE: this method MODIFIES the input array. |
| 223 | * @param {Array} ary the array of path segments. |
| 224 | */ |
| 225 | function trimDots(ary) { |
| 226 | var i, part; |
| 227 | for (i = 0; ary[i]; i += 1) { |
| 228 | part = ary[i]; |
| 229 | if (part === '.') { |
| 230 | ary.splice(i, 1); |
| 231 | i -= 1; |
| 232 | } else if (part === '..') { |
| 233 | if (i === 1 && (ary[2] === '..' || ary[0] === '..')) { |
| 234 | //End of the line. Keep at least one non-dot |
| 235 | //path segment at the front so it can be mapped |
| 236 | //correctly to disk. Otherwise, there is likely |
| 237 | //no path mapping for a path starting with '..'. |
| 238 | //This can still fail, but catches the most reasonable |
| 239 | //uses of .. |
| 240 | break; |
| 241 | } else if (i > 0) { |
| 242 | ary.splice(i - 1, 2); |
| 243 | i -= 2; |
| 244 | } |
| 245 | } |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * Given a relative module name, like ./something, normalize it to |
| 251 | * a real name that can be mapped to a path. |
| 252 | * @param {String} name the relative name |
| 253 | * @param {String} baseName a real name that the name arg is relative |
| 254 | * to. |
| 255 | * @param {Boolean} applyMap apply the map config to the value. Should |
| 256 | * only be done if this normalization is for a dependency ID. |
| 257 | * @returns {String} normalized name |
| 258 | */ |
| 259 | function normalize(name, baseName, applyMap) { |
| 260 | var pkgName, pkgConfig, mapValue, nameParts, i, j, nameSegment, |
| 261 | foundMap, foundI, foundStarMap, starI, |
| 262 | baseParts = baseName && baseName.split('/'), |
| 263 | normalizedBaseParts = baseParts, |
| 264 | map = config.map, |
| 265 | starMap = map && map['*']; |
| 266 | |
| 267 | //Adjust any relative paths. |
| 268 | if (name && name.charAt(0) === '.') { |
| 269 | //If have a base name, try to normalize against it, |
| 270 | //otherwise, assume it is a top-level require that will |
| 271 | //be relative to baseUrl in the end. |
| 272 | if (baseName) { |
| 273 | if (getOwn(config.pkgs, baseName)) { |
| 274 | //If the baseName is a package name, then just treat it as one |
| 275 | //name to concat the name with. |
| 276 | normalizedBaseParts = baseParts = [baseName]; |
| 277 | } else { |
| 278 | //Convert baseName to array, and lop off the last part, |
| 279 | //so that . matches that 'directory' and not name of the baseName's |
| 280 | //module. For instance, baseName of 'one/two/three', maps to |
| 281 | //'one/two/three.js', but we want the directory, 'one/two' for |
| 282 | //this normalization. |
| 283 | normalizedBaseParts = baseParts.slice(0, baseParts.length - 1); |
| 284 | } |
| 285 | |
| 286 | name = normalizedBaseParts.concat(name.split('/')); |
| 287 | trimDots(name); |
| 288 | |
| 289 | //Some use of packages may use a . path to reference the |
| 290 | //'main' module name, so normalize for that. |
| 291 | pkgConfig = getOwn(config.pkgs, (pkgName = name[0])); |
| 292 | name = name.join('/'); |
| 293 | if (pkgConfig && name === pkgName + '/' + pkgConfig.main) { |
| 294 | name = pkgName; |
| 295 | } |
| 296 | } else if (name.indexOf('./') === 0) { |
| 297 | // No baseName, so this is ID is resolved relative |
| 298 | // to baseUrl, pull off the leading dot. |
| 299 | name = name.substring(2); |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | //Apply map config if available. |
| 304 | if (applyMap && map && (baseParts || starMap)) { |
| 305 | nameParts = name.split('/'); |
| 306 | |
| 307 | for (i = nameParts.length; i > 0; i -= 1) { |
| 308 | nameSegment = nameParts.slice(0, i).join('/'); |
| 309 | |
| 310 | if (baseParts) { |
| 311 | //Find the longest baseName segment match in the config. |
| 312 | //So, do joins on the biggest to smallest lengths of baseParts. |
| 313 | for (j = baseParts.length; j > 0; j -= 1) { |
| 314 | mapValue = getOwn(map, baseParts.slice(0, j).join('/')); |
| 315 | |
| 316 | //baseName segment has config, find if it has one for |
| 317 | //this name. |
| 318 | if (mapValue) { |
| 319 | mapValue = getOwn(mapValue, nameSegment); |
| 320 | if (mapValue) { |
| 321 | //Match, update name to the new value. |
| 322 | foundMap = mapValue; |
| 323 | foundI = i; |
| 324 | break; |
| 325 | } |
| 326 | } |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | if (foundMap) { |
| 331 | break; |
| 332 | } |
| 333 | |
| 334 | //Check for a star map match, but just hold on to it, |
| 335 | //if there is a shorter segment match later in a matching |
| 336 | //config, then favor over this star map. |
| 337 | if (!foundStarMap && starMap && getOwn(starMap, nameSegment)) { |
| 338 | foundStarMap = getOwn(starMap, nameSegment); |
| 339 | starI = i; |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | if (!foundMap && foundStarMap) { |
| 344 | foundMap = foundStarMap; |
| 345 | foundI = starI; |
| 346 | } |
| 347 | |
| 348 | if (foundMap) { |
| 349 | nameParts.splice(0, foundI, foundMap); |
| 350 | name = nameParts.join('/'); |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | return name; |
| 355 | } |
| 356 | |
| 357 | function removeScript(name) { |
| 358 | if (isBrowser) { |
| 359 | each(scripts(), function (scriptNode) { |
| 360 | if (scriptNode.getAttribute('data-requiremodule') === name && |
| 361 | scriptNode.getAttribute('data-requirecontext') === context.contextName) { |
| 362 | scriptNode.parentNode.removeChild(scriptNode); |
| 363 | return true; |
| 364 | } |
| 365 | }); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | function hasPathFallback(id) { |
| 370 | var pathConfig = getOwn(config.paths, id); |
| 371 | if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) { |
| 372 | removeScript(id); |
| 373 | //Pop off the first array value, since it failed, and |
| 374 | //retry |
| 375 | pathConfig.shift(); |
| 376 | context.require.undef(id); |
| 377 | context.require([id]); |
| 378 | return true; |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | //Turns a plugin!resource to [plugin, resource] |
| 383 | //with the plugin being undefined if the name |
| 384 | //did not have a plugin prefix. |
| 385 | function splitPrefix(name) { |
| 386 | var prefix, |
| 387 | index = name ? name.indexOf('!') : -1; |
| 388 | if (index > -1) { |
| 389 | prefix = name.substring(0, index); |
| 390 | name = name.substring(index + 1, name.length); |
| 391 | } |
| 392 | return [prefix, name]; |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * Creates a module mapping that includes plugin prefix, module |
| 397 | * name, and path. If parentModuleMap is provided it will |
| 398 | * also normalize the name via require.normalize() |
| 399 | * |
| 400 | * @param {String} name the module name |
| 401 | * @param {String} [parentModuleMap] parent module map |
| 402 | * for the module name, used to resolve relative names. |
| 403 | * @param {Boolean} isNormalized: is the ID already normalized. |
| 404 | * This is true if this call is done for a define() module ID. |
| 405 | * @param {Boolean} applyMap: apply the map config to the ID. |
| 406 | * Should only be true if this map is for a dependency. |
| 407 | * |
| 408 | * @returns {Object} |
| 409 | */ |
| 410 | function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) { |
| 411 | var url, pluginModule, suffix, nameParts, |
| 412 | prefix = null, |
| 413 | parentName = parentModuleMap ? parentModuleMap.name : null, |
| 414 | originalName = name, |
| 415 | isDefine = true, |
| 416 | normalizedName = ''; |
| 417 | |
| 418 | //If no name, then it means it is a require call, generate an |
| 419 | //internal name. |
| 420 | if (!name) { |
| 421 | isDefine = false; |
| 422 | name = '_@r' + (requireCounter += 1); |
| 423 | } |
| 424 | |
| 425 | nameParts = splitPrefix(name); |
| 426 | prefix = nameParts[0]; |
| 427 | name = nameParts[1]; |
| 428 | |
| 429 | if (prefix) { |
| 430 | prefix = normalize(prefix, parentName, applyMap); |
| 431 | pluginModule = getOwn(defined, prefix); |
| 432 | } |
| 433 | |
| 434 | //Account for relative paths if there is a base name. |
| 435 | if (name) { |
| 436 | if (prefix) { |
| 437 | if (pluginModule && pluginModule.normalize) { |
| 438 | //Plugin is loaded, use its normalize method. |
| 439 | normalizedName = pluginModule.normalize(name, function (name) { |
| 440 | return normalize(name, parentName, applyMap); |
| 441 | }); |
| 442 | } else { |
| 443 | normalizedName = normalize(name, parentName, applyMap); |
| 444 | } |
| 445 | } else { |
| 446 | //A regular module. |
| 447 | normalizedName = normalize(name, parentName, applyMap); |
| 448 | |
| 449 | //Normalized name may be a plugin ID due to map config |
| 450 | //application in normalize. The map config values must |
| 451 | //already be normalized, so do not need to redo that part. |
| 452 | nameParts = splitPrefix(normalizedName); |
| 453 | prefix = nameParts[0]; |
| 454 | normalizedName = nameParts[1]; |
| 455 | isNormalized = true; |
| 456 | |
| 457 | url = context.nameToUrl(normalizedName); |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | //If the id is a plugin id that cannot be determined if it needs |
| 462 | //normalization, stamp it with a unique ID so two matching relative |
| 463 | //ids that may conflict can be separate. |
| 464 | suffix = prefix && !pluginModule && !isNormalized ? |
| 465 | '_unnormalized' + (unnormalizedCounter += 1) : |
| 466 | ''; |
| 467 | |
| 468 | return { |
| 469 | prefix: prefix, |
| 470 | name: normalizedName, |
| 471 | parentMap: parentModuleMap, |
| 472 | unnormalized: !!suffix, |
| 473 | url: url, |
| 474 | originalName: originalName, |
| 475 | isDefine: isDefine, |
| 476 | id: (prefix ? |
| 477 | prefix + '!' + normalizedName : |
| 478 | normalizedName) + suffix |
| 479 | }; |
| 480 | } |
| 481 | |
| 482 | function getModule(depMap) { |
| 483 | var id = depMap.id, |
| 484 | mod = getOwn(registry, id); |
| 485 | |
| 486 | if (!mod) { |
| 487 | mod = registry[id] = new context.Module(depMap); |
| 488 | } |
| 489 | |
| 490 | return mod; |
| 491 | } |
| 492 | |
| 493 | function on(depMap, name, fn) { |
| 494 | var id = depMap.id, |
| 495 | mod = getOwn(registry, id); |
| 496 | |
| 497 | if (hasProp(defined, id) && |
| 498 | (!mod || mod.defineEmitComplete)) { |
| 499 | if (name === 'defined') { |
| 500 | fn(defined[id]); |
| 501 | } |
| 502 | } else { |
| 503 | getModule(depMap).on(name, fn); |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | function onError(err, errback) { |
| 508 | var ids = err.requireModules, |
| 509 | notified = false; |
| 510 | |
| 511 | if (errback) { |
| 512 | errback(err); |
| 513 | } else { |
| 514 | each(ids, function (id) { |
| 515 | var mod = getOwn(registry, id); |
| 516 | if (mod) { |
| 517 | //Set error on module, so it skips timeout checks. |
| 518 | mod.error = err; |
| 519 | if (mod.events.error) { |
| 520 | notified = true; |
| 521 | mod.emit('error', err); |
| 522 | } |
| 523 | } |
| 524 | }); |
| 525 | |
| 526 | if (!notified) { |
| 527 | req.onError(err); |
| 528 | } |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | /** |
| 533 | * Internal method to transfer globalQueue items to this context's |
| 534 | * defQueue. |
| 535 | */ |
| 536 | function takeGlobalQueue() { |
| 537 | //Push all the globalDefQueue items into the context's defQueue |
| 538 | if (globalDefQueue.length) { |
| 539 | //Array splice in the values since the context code has a |
| 540 | //local var ref to defQueue, so cannot just reassign the one |
| 541 | //on context. |
| 542 | apsp.apply(defQueue, |
| 543 | [defQueue.length - 1, 0].concat(globalDefQueue)); |
| 544 | globalDefQueue = []; |
| 545 | } |
| 546 | } |
| 547 | |
| 548 | handlers = { |
| 549 | 'require': function (mod) { |
| 550 | if (mod.require) { |
| 551 | return mod.require; |
| 552 | } else { |
| 553 | return (mod.require = context.makeRequire(mod.map)); |
| 554 | } |
| 555 | }, |
| 556 | 'exports': function (mod) { |
| 557 | mod.usingExports = true; |
| 558 | if (mod.map.isDefine) { |
| 559 | if (mod.exports) { |
| 560 | return mod.exports; |
| 561 | } else { |
| 562 | return (mod.exports = defined[mod.map.id] = {}); |
| 563 | } |
| 564 | } |
| 565 | }, |
| 566 | 'module': function (mod) { |
| 567 | if (mod.module) { |
| 568 | return mod.module; |
| 569 | } else { |
| 570 | return (mod.module = { |
| 571 | id: mod.map.id, |
| 572 | uri: mod.map.url, |
| 573 | config: function () { |
| 574 | return (config.config && getOwn(config.config, mod.map.id)) || {}; |
| 575 | }, |
| 576 | exports: defined[mod.map.id] |
| 577 | }); |
| 578 | } |
| 579 | } |
| 580 | }; |
| 581 | |
| 582 | function cleanRegistry(id) { |
| 583 | //Clean up machinery used for waiting modules. |
| 584 | delete registry[id]; |
| 585 | delete enabledRegistry[id]; |
| 586 | } |
| 587 | |
| 588 | function breakCycle(mod, traced, processed) { |
| 589 | var id = mod.map.id; |
| 590 | |
| 591 | if (mod.error) { |
| 592 | mod.emit('error', mod.error); |
| 593 | } else { |
| 594 | traced[id] = true; |
| 595 | each(mod.depMaps, function (depMap, i) { |
| 596 | var depId = depMap.id, |
| 597 | dep = getOwn(registry, depId); |
| 598 | |
| 599 | //Only force things that have not completed |
| 600 | //being defined, so still in the registry, |
| 601 | //and only if it has not been matched up |
| 602 | //in the module already. |
| 603 | if (dep && !mod.depMatched[i] && !processed[depId]) { |
| 604 | if (getOwn(traced, depId)) { |
| 605 | mod.defineDep(i, defined[depId]); |
| 606 | mod.check(); //pass false? |
| 607 | } else { |
| 608 | breakCycle(dep, traced, processed); |
| 609 | } |
| 610 | } |
| 611 | }); |
| 612 | processed[id] = true; |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | function checkLoaded() { |
| 617 | var map, modId, err, usingPathFallback, |
| 618 | waitInterval = config.waitSeconds * 1000, |
| 619 | //It is possible to disable the wait interval by using waitSeconds of 0. |
| 620 | expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(), |
| 621 | noLoads = [], |
| 622 | reqCalls = [], |
| 623 | stillLoading = false, |
| 624 | needCycleCheck = true; |
| 625 | |
| 626 | //Do not bother if this call was a result of a cycle break. |
| 627 | if (inCheckLoaded) { |
| 628 | return; |
| 629 | } |
| 630 | |
| 631 | inCheckLoaded = true; |
| 632 | |
| 633 | //Figure out the state of all the modules. |
| 634 | eachProp(enabledRegistry, function (mod) { |
| 635 | map = mod.map; |
| 636 | modId = map.id; |
| 637 | |
| 638 | //Skip things that are not enabled or in error state. |
| 639 | if (!mod.enabled) { |
| 640 | return; |
| 641 | } |
| 642 | |
| 643 | if (!map.isDefine) { |
| 644 | reqCalls.push(mod); |
| 645 | } |
| 646 | |
| 647 | if (!mod.error) { |
| 648 | //If the module should be executed, and it has not |
| 649 | //been inited and time is up, remember it. |
| 650 | if (!mod.inited && expired) { |
| 651 | if (hasPathFallback(modId)) { |
| 652 | usingPathFallback = true; |
| 653 | stillLoading = true; |
| 654 | } else { |
| 655 | noLoads.push(modId); |
| 656 | removeScript(modId); |
| 657 | } |
| 658 | } else if (!mod.inited && mod.fetched && map.isDefine) { |
| 659 | stillLoading = true; |
| 660 | if (!map.prefix) { |
| 661 | //No reason to keep looking for unfinished |
| 662 | //loading. If the only stillLoading is a |
| 663 | //plugin resource though, keep going, |
| 664 | //because it may be that a plugin resource |
| 665 | //is waiting on a non-plugin cycle. |
| 666 | return (needCycleCheck = false); |
| 667 | } |
| 668 | } |
| 669 | } |
| 670 | }); |
| 671 | |
| 672 | if (expired && noLoads.length) { |
| 673 | //If wait time expired, throw error of unloaded modules. |
| 674 | err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads); |
| 675 | err.contextName = context.contextName; |
| 676 | return onError(err); |
| 677 | } |
| 678 | |
| 679 | //Not expired, check for a cycle. |
| 680 | if (needCycleCheck) { |
| 681 | each(reqCalls, function (mod) { |
| 682 | breakCycle(mod, {}, {}); |
| 683 | }); |
| 684 | } |
| 685 | |
| 686 | //If still waiting on loads, and the waiting load is something |
| 687 | //other than a plugin resource, or there are still outstanding |
| 688 | //scripts, then just try back later. |
| 689 | if ((!expired || usingPathFallback) && stillLoading) { |
| 690 | //Something is still waiting to load. Wait for it, but only |
| 691 | //if a timeout is not already in effect. |
| 692 | if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) { |
| 693 | checkLoadedTimeoutId = setTimeout(function () { |
| 694 | checkLoadedTimeoutId = 0; |
| 695 | checkLoaded(); |
| 696 | }, 50); |
| 697 | } |
| 698 | } |
| 699 | |
| 700 | inCheckLoaded = false; |
| 701 | } |
| 702 | |
| 703 | Module = function (map) { |
| 704 | this.events = getOwn(undefEvents, map.id) || {}; |
| 705 | this.map = map; |
| 706 | this.shim = getOwn(config.shim, map.id); |
| 707 | this.depExports = []; |
| 708 | this.depMaps = []; |
| 709 | this.depMatched = []; |
| 710 | this.pluginMaps = {}; |
| 711 | this.depCount = 0; |
| 712 | |
| 713 | /* this.exports this.factory |
| 714 | this.depMaps = [], |
| 715 | this.enabled, this.fetched |
| 716 | */ |
| 717 | }; |
| 718 | |
| 719 | Module.prototype = { |
| 720 | init: function (depMaps, factory, errback, options) { |
| 721 | options = options || {}; |
| 722 | |
| 723 | //Do not do more inits if already done. Can happen if there |
| 724 | //are multiple define calls for the same module. That is not |
| 725 | //a normal, common case, but it is also not unexpected. |
| 726 | if (this.inited) { |
| 727 | return; |
| 728 | } |
| 729 | |
| 730 | this.factory = factory; |
| 731 | |
| 732 | if (errback) { |
| 733 | //Register for errors on this module. |
| 734 | this.on('error', errback); |
| 735 | } else if (this.events.error) { |
| 736 | //If no errback already, but there are error listeners |
| 737 | //on this module, set up an errback to pass to the deps. |
| 738 | errback = bind(this, function (err) { |
| 739 | this.emit('error', err); |
| 740 | }); |
| 741 | } |
| 742 | |
| 743 | //Do a copy of the dependency array, so that |
| 744 | //source inputs are not modified. For example |
| 745 | //"shim" deps are passed in here directly, and |
| 746 | //doing a direct modification of the depMaps array |
| 747 | //would affect that config. |
| 748 | this.depMaps = depMaps && depMaps.slice(0); |
| 749 | |
| 750 | this.errback = errback; |
| 751 | |
| 752 | //Indicate this module has be initialized |
| 753 | this.inited = true; |
| 754 | |
| 755 | this.ignore = options.ignore; |
| 756 | |
| 757 | //Could have option to init this module in enabled mode, |
| 758 | //or could have been previously marked as enabled. However, |
| 759 | //the dependencies are not known until init is called. So |
| 760 | //if enabled previously, now trigger dependencies as enabled. |
| 761 | if (options.enabled || this.enabled) { |
| 762 | //Enable this module and dependencies. |
| 763 | //Will call this.check() |
| 764 | this.enable(); |
| 765 | } else { |
| 766 | this.check(); |
| 767 | } |
| 768 | }, |
| 769 | |
| 770 | defineDep: function (i, depExports) { |
| 771 | //Because of cycles, defined callback for a given |
| 772 | //export can be called more than once. |
| 773 | if (!this.depMatched[i]) { |
| 774 | this.depMatched[i] = true; |
| 775 | this.depCount -= 1; |
| 776 | this.depExports[i] = depExports; |
| 777 | } |
| 778 | }, |
| 779 | |
| 780 | fetch: function () { |
| 781 | if (this.fetched) { |
| 782 | return; |
| 783 | } |
| 784 | this.fetched = true; |
| 785 | |
| 786 | context.startTime = (new Date()).getTime(); |
| 787 | |
| 788 | var map = this.map; |
| 789 | |
| 790 | //If the manager is for a plugin managed resource, |
| 791 | //ask the plugin to load it now. |
| 792 | if (this.shim) { |
| 793 | context.makeRequire(this.map, { |
| 794 | enableBuildCallback: true |
| 795 | })(this.shim.deps || [], bind(this, function () { |
| 796 | return map.prefix ? this.callPlugin() : this.load(); |
| 797 | })); |
| 798 | } else { |
| 799 | //Regular dependency. |
| 800 | return map.prefix ? this.callPlugin() : this.load(); |
| 801 | } |
| 802 | }, |
| 803 | |
| 804 | load: function () { |
| 805 | var url = this.map.url; |
| 806 | |
| 807 | //Regular dependency. |
| 808 | if (!urlFetched[url]) { |
| 809 | urlFetched[url] = true; |
| 810 | context.load(this.map.id, url); |
| 811 | } |
| 812 | }, |
| 813 | |
| 814 | /** |
| 815 | * Checks if the module is ready to define itself, and if so, |
| 816 | * define it. |
| 817 | */ |
| 818 | check: function () { |
| 819 | if (!this.enabled || this.enabling) { |
| 820 | return; |
| 821 | } |
| 822 | |
| 823 | var err, cjsModule, |
| 824 | id = this.map.id, |
| 825 | depExports = this.depExports, |
| 826 | exports = this.exports, |
| 827 | factory = this.factory; |
| 828 | |
| 829 | if (!this.inited) { |
| 830 | this.fetch(); |
| 831 | } else if (this.error) { |
| 832 | this.emit('error', this.error); |
| 833 | } else if (!this.defining) { |
| 834 | //The factory could trigger another require call |
| 835 | //that would result in checking this module to |
| 836 | //define itself again. If already in the process |
| 837 | //of doing that, skip this work. |
| 838 | this.defining = true; |
| 839 | |
| 840 | if (this.depCount < 1 && !this.defined) { |
| 841 | if (isFunction(factory)) { |
| 842 | //If there is an error listener, favor passing |
| 843 | //to that instead of throwing an error. |
| 844 | if (this.events.error) { |
| 845 | try { |
| 846 | exports = context.execCb(id, factory, depExports, exports); |
| 847 | } catch (e) { |
| 848 | err = e; |
| 849 | } |
| 850 | } else { |
| 851 | exports = context.execCb(id, factory, depExports, exports); |
| 852 | } |
| 853 | |
| 854 | if (this.map.isDefine) { |
| 855 | //If setting exports via 'module' is in play, |
| 856 | //favor that over return value and exports. After that, |
| 857 | //favor a non-undefined return value over exports use. |
| 858 | cjsModule = this.module; |
| 859 | if (cjsModule && |
| 860 | cjsModule.exports !== undefined && |
| 861 | //Make sure it is not already the exports value |
| 862 | cjsModule.exports !== this.exports) { |
| 863 | exports = cjsModule.exports; |
| 864 | } else if (exports === undefined && this.usingExports) { |
| 865 | //exports already set the defined value. |
| 866 | exports = this.exports; |
| 867 | } |
| 868 | } |
| 869 | |
| 870 | if (err) { |
| 871 | err.requireMap = this.map; |
| 872 | err.requireModules = [this.map.id]; |
| 873 | err.requireType = 'define'; |
| 874 | return onError((this.error = err)); |
| 875 | } |
| 876 | |
| 877 | } else { |
| 878 | //Just a literal value |
| 879 | exports = factory; |
| 880 | } |
| 881 | |
| 882 | this.exports = exports; |
| 883 | |
| 884 | if (this.map.isDefine && !this.ignore) { |
| 885 | defined[id] = exports; |
| 886 | |
| 887 | if (req.onResourceLoad) { |
| 888 | req.onResourceLoad(context, this.map, this.depMaps); |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | //Clean up |
| 893 | cleanRegistry(id); |
| 894 | |
| 895 | this.defined = true; |
| 896 | } |
| 897 | |
| 898 | //Finished the define stage. Allow calling check again |
| 899 | //to allow define notifications below in the case of a |
| 900 | //cycle. |
| 901 | this.defining = false; |
| 902 | |
| 903 | if (this.defined && !this.defineEmitted) { |
| 904 | this.defineEmitted = true; |
| 905 | this.emit('defined', this.exports); |
| 906 | this.defineEmitComplete = true; |
| 907 | } |
| 908 | |
| 909 | } |
| 910 | }, |
| 911 | |
| 912 | callPlugin: function () { |
| 913 | var map = this.map, |
| 914 | id = map.id, |
| 915 | //Map already normalized the prefix. |
| 916 | pluginMap = makeModuleMap(map.prefix); |
| 917 | |
| 918 | //Mark this as a dependency for this plugin, so it |
| 919 | //can be traced for cycles. |
| 920 | this.depMaps.push(pluginMap); |
| 921 | |
| 922 | on(pluginMap, 'defined', bind(this, function (plugin) { |
| 923 | var load, normalizedMap, normalizedMod, |
| 924 | name = this.map.name, |
| 925 | parentName = this.map.parentMap ? this.map.parentMap.name : null, |
| 926 | localRequire = context.makeRequire(map.parentMap, { |
| 927 | enableBuildCallback: true |
| 928 | }); |
| 929 | |
| 930 | //If current map is not normalized, wait for that |
| 931 | //normalized name to load instead of continuing. |
| 932 | if (this.map.unnormalized) { |
| 933 | //Normalize the ID if the plugin allows it. |
| 934 | if (plugin.normalize) { |
| 935 | name = plugin.normalize(name, function (name) { |
| 936 | return normalize(name, parentName, true); |
| 937 | }) || ''; |
| 938 | } |
| 939 | |
| 940 | //prefix and name should already be normalized, no need |
| 941 | //for applying map config again either. |
| 942 | normalizedMap = makeModuleMap(map.prefix + '!' + name, |
| 943 | this.map.parentMap); |
| 944 | on(normalizedMap, |
| 945 | 'defined', bind(this, function (value) { |
| 946 | this.init([], function () { return value; }, null, { |
| 947 | enabled: true, |
| 948 | ignore: true |
| 949 | }); |
| 950 | })); |
| 951 | |
| 952 | normalizedMod = getOwn(registry, normalizedMap.id); |
| 953 | if (normalizedMod) { |
| 954 | //Mark this as a dependency for this plugin, so it |
| 955 | //can be traced for cycles. |
| 956 | this.depMaps.push(normalizedMap); |
| 957 | |
| 958 | if (this.events.error) { |
| 959 | normalizedMod.on('error', bind(this, function (err) { |
| 960 | this.emit('error', err); |
| 961 | })); |
| 962 | } |
| 963 | normalizedMod.enable(); |
| 964 | } |
| 965 | |
| 966 | return; |
| 967 | } |
| 968 | |
| 969 | load = bind(this, function (value) { |
| 970 | this.init([], function () { return value; }, null, { |
| 971 | enabled: true |
| 972 | }); |
| 973 | }); |
| 974 | |
| 975 | load.error = bind(this, function (err) { |
| 976 | this.inited = true; |
| 977 | this.error = err; |
| 978 | err.requireModules = [id]; |
| 979 | |
| 980 | //Remove temp unnormalized modules for this module, |
| 981 | //since they will never be resolved otherwise now. |
| 982 | eachProp(registry, function (mod) { |
| 983 | if (mod.map.id.indexOf(id + '_unnormalized') === 0) { |
| 984 | cleanRegistry(mod.map.id); |
| 985 | } |
| 986 | }); |
| 987 | |
| 988 | onError(err); |
| 989 | }); |
| 990 | |
| 991 | //Allow plugins to load other code without having to know the |
| 992 | //context or how to 'complete' the load. |
| 993 | load.fromText = bind(this, function (text, textAlt) { |
| 994 | /*jslint evil: true */ |
| 995 | var moduleName = map.name, |
| 996 | moduleMap = makeModuleMap(moduleName), |
| 997 | hasInteractive = useInteractive; |
| 998 | |
| 999 | //As of 2.1.0, support just passing the text, to reinforce |
| 1000 | //fromText only being called once per resource. Still |
| 1001 | //support old style of passing moduleName but discard |
| 1002 | //that moduleName in favor of the internal ref. |
| 1003 | if (textAlt) { |
| 1004 | text = textAlt; |
| 1005 | } |
| 1006 | |
| 1007 | //Turn off interactive script matching for IE for any define |
| 1008 | //calls in the text, then turn it back on at the end. |
| 1009 | if (hasInteractive) { |
| 1010 | useInteractive = false; |
| 1011 | } |
| 1012 | |
| 1013 | //Prime the system by creating a module instance for |
| 1014 | //it. |
| 1015 | getModule(moduleMap); |
| 1016 | |
| 1017 | //Transfer any config to this other module. |
| 1018 | if (hasProp(config.config, id)) { |
| 1019 | config.config[moduleName] = config.config[id]; |
| 1020 | } |
| 1021 | |
| 1022 | try { |
| 1023 | req.exec(text); |
| 1024 | } catch (e) { |
| 1025 | return onError(makeError('fromtexteval', |
| 1026 | 'fromText eval for ' + id + |
| 1027 | ' failed: ' + e, |
| 1028 | e, |
| 1029 | [id])); |
| 1030 | } |
| 1031 | |
| 1032 | if (hasInteractive) { |
| 1033 | useInteractive = true; |
| 1034 | } |
| 1035 | |
| 1036 | //Mark this as a dependency for the plugin |
| 1037 | //resource |
| 1038 | this.depMaps.push(moduleMap); |
| 1039 | |
| 1040 | //Support anonymous modules. |
| 1041 | context.completeLoad(moduleName); |
| 1042 | |
| 1043 | //Bind the value of that module to the value for this |
| 1044 | //resource ID. |
| 1045 | localRequire([moduleName], load); |
| 1046 | }); |
| 1047 | |
| 1048 | //Use parentName here since the plugin's name is not reliable, |
| 1049 | //could be some weird string with no path that actually wants to |
| 1050 | //reference the parentName's path. |
| 1051 | plugin.load(map.name, localRequire, load, config); |
| 1052 | })); |
| 1053 | |
| 1054 | context.enable(pluginMap, this); |
| 1055 | this.pluginMaps[pluginMap.id] = pluginMap; |
| 1056 | }, |
| 1057 | |
| 1058 | enable: function () { |
| 1059 | enabledRegistry[this.map.id] = this; |
| 1060 | this.enabled = true; |
| 1061 | |
| 1062 | //Set flag mentioning that the module is enabling, |
| 1063 | //so that immediate calls to the defined callbacks |
| 1064 | //for dependencies do not trigger inadvertent load |
| 1065 | //with the depCount still being zero. |
| 1066 | this.enabling = true; |
| 1067 | |
| 1068 | //Enable each dependency |
| 1069 | each(this.depMaps, bind(this, function (depMap, i) { |
| 1070 | var id, mod, handler; |
| 1071 | |
| 1072 | if (typeof depMap === 'string') { |
| 1073 | //Dependency needs to be converted to a depMap |
| 1074 | //and wired up to this module. |
| 1075 | depMap = makeModuleMap(depMap, |
| 1076 | (this.map.isDefine ? this.map : this.map.parentMap), |
| 1077 | false, |
| 1078 | !this.skipMap); |
| 1079 | this.depMaps[i] = depMap; |
| 1080 | |
| 1081 | handler = getOwn(handlers, depMap.id); |
| 1082 | |
| 1083 | if (handler) { |
| 1084 | this.depExports[i] = handler(this); |
| 1085 | return; |
| 1086 | } |
| 1087 | |
| 1088 | this.depCount += 1; |
| 1089 | |
| 1090 | on(depMap, 'defined', bind(this, function (depExports) { |
| 1091 | this.defineDep(i, depExports); |
| 1092 | this.check(); |
| 1093 | })); |
| 1094 | |
| 1095 | if (this.errback) { |
| 1096 | on(depMap, 'error', this.errback); |
| 1097 | } |
| 1098 | } |
| 1099 | |
| 1100 | id = depMap.id; |
| 1101 | mod = registry[id]; |
| 1102 | |
| 1103 | //Skip special modules like 'require', 'exports', 'module' |
| 1104 | //Also, don't call enable if it is already enabled, |
| 1105 | //important in circular dependency cases. |
| 1106 | if (!hasProp(handlers, id) && mod && !mod.enabled) { |
| 1107 | context.enable(depMap, this); |
| 1108 | } |
| 1109 | })); |
| 1110 | |
| 1111 | //Enable each plugin that is used in |
| 1112 | //a dependency |
| 1113 | eachProp(this.pluginMaps, bind(this, function (pluginMap) { |
| 1114 | var mod = getOwn(registry, pluginMap.id); |
| 1115 | if (mod && !mod.enabled) { |
| 1116 | context.enable(pluginMap, this); |
| 1117 | } |
| 1118 | })); |
| 1119 | |
| 1120 | this.enabling = false; |
| 1121 | |
| 1122 | this.check(); |
| 1123 | }, |
| 1124 | |
| 1125 | on: function (name, cb) { |
| 1126 | var cbs = this.events[name]; |
| 1127 | if (!cbs) { |
| 1128 | cbs = this.events[name] = []; |
| 1129 | } |
| 1130 | cbs.push(cb); |
| 1131 | }, |
| 1132 | |
| 1133 | emit: function (name, evt) { |
| 1134 | each(this.events[name], function (cb) { |
| 1135 | cb(evt); |
| 1136 | }); |
| 1137 | if (name === 'error') { |
| 1138 | //Now that the error handler was triggered, remove |
| 1139 | //the listeners, since this broken Module instance |
| 1140 | //can stay around for a while in the registry. |
| 1141 | delete this.events[name]; |
| 1142 | } |
| 1143 | } |
| 1144 | }; |
| 1145 | |
| 1146 | function callGetModule(args) { |
| 1147 | //Skip modules already defined. |
| 1148 | if (!hasProp(defined, args[0])) { |
| 1149 | getModule(makeModuleMap(args[0], null, true)).init(args[1], args[2]); |
| 1150 | } |
| 1151 | } |
| 1152 | |
| 1153 | function removeListener(node, func, name, ieName) { |
| 1154 | //Favor detachEvent because of IE9 |
| 1155 | //issue, see attachEvent/addEventListener comment elsewhere |
| 1156 | //in this file. |
| 1157 | if (node.detachEvent && !isOpera) { |
| 1158 | //Probably IE. If not it will throw an error, which will be |
| 1159 | //useful to know. |
| 1160 | if (ieName) { |
| 1161 | node.detachEvent(ieName, func); |
| 1162 | } |
| 1163 | } else { |
| 1164 | node.removeEventListener(name, func, false); |
| 1165 | } |
| 1166 | } |
| 1167 | |
| 1168 | /** |
| 1169 | * Given an event from a script node, get the requirejs info from it, |
| 1170 | * and then removes the event listeners on the node. |
| 1171 | * @param {Event} evt |
| 1172 | * @returns {Object} |
| 1173 | */ |
| 1174 | function getScriptData(evt) { |
| 1175 | //Using currentTarget instead of target for Firefox 2.0's sake. Not |
| 1176 | //all old browsers will be supported, but this one was easy enough |
| 1177 | //to support and still makes sense. |
| 1178 | var node = evt.currentTarget || evt.srcElement; |
| 1179 | |
| 1180 | //Remove the listeners once here. |
| 1181 | removeListener(node, context.onScriptLoad, 'load', 'onreadystatechange'); |
| 1182 | removeListener(node, context.onScriptError, 'error'); |
| 1183 | |
| 1184 | return { |
| 1185 | node: node, |
| 1186 | id: node && node.getAttribute('data-requiremodule') |
| 1187 | }; |
| 1188 | } |
| 1189 | |
| 1190 | function intakeDefines() { |
| 1191 | var args; |
| 1192 | |
| 1193 | //Any defined modules in the global queue, intake them now. |
| 1194 | takeGlobalQueue(); |
| 1195 | |
| 1196 | //Make sure any remaining defQueue items get properly processed. |
| 1197 | while (defQueue.length) { |
| 1198 | args = defQueue.shift(); |
| 1199 | if (args[0] === null) { |
| 1200 | return onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + args[args.length - 1])); |
| 1201 | } else { |
| 1202 | //args are id, deps, factory. Should be normalized by the |
| 1203 | //define() function. |
| 1204 | callGetModule(args); |
| 1205 | } |
| 1206 | } |
| 1207 | } |
| 1208 | |
| 1209 | context = { |
| 1210 | config: config, |
| 1211 | contextName: contextName, |
| 1212 | registry: registry, |
| 1213 | defined: defined, |
| 1214 | urlFetched: urlFetched, |
| 1215 | defQueue: defQueue, |
| 1216 | Module: Module, |
| 1217 | makeModuleMap: makeModuleMap, |
| 1218 | nextTick: req.nextTick, |
| 1219 | onError: onError, |
| 1220 | |
| 1221 | /** |
| 1222 | * Set a configuration for the context. |
| 1223 | * @param {Object} cfg config object to integrate. |
| 1224 | */ |
| 1225 | configure: function (cfg) { |
| 1226 | //Make sure the baseUrl ends in a slash. |
| 1227 | if (cfg.baseUrl) { |
| 1228 | if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== '/') { |
| 1229 | cfg.baseUrl += '/'; |
| 1230 | } |
| 1231 | } |
| 1232 | |
| 1233 | //Save off the paths and packages since they require special processing, |
| 1234 | //they are additive. |
| 1235 | var pkgs = config.pkgs, |
| 1236 | shim = config.shim, |
| 1237 | objs = { |
| 1238 | paths: true, |
| 1239 | config: true, |
| 1240 | map: true |
| 1241 | }; |
| 1242 | |
| 1243 | eachProp(cfg, function (value, prop) { |
| 1244 | if (objs[prop]) { |
| 1245 | if (prop === 'map') { |
| 1246 | if (!config.map) { |
| 1247 | config.map = {}; |
| 1248 | } |
| 1249 | mixin(config[prop], value, true, true); |
| 1250 | } else { |
| 1251 | mixin(config[prop], value, true); |
| 1252 | } |
| 1253 | } else { |
| 1254 | config[prop] = value; |
| 1255 | } |
| 1256 | }); |
| 1257 | |
| 1258 | //Merge shim |
| 1259 | if (cfg.shim) { |
| 1260 | eachProp(cfg.shim, function (value, id) { |
| 1261 | //Normalize the structure |
| 1262 | if (isArray(value)) { |
| 1263 | value = { |
| 1264 | deps: value |
| 1265 | }; |
| 1266 | } |
| 1267 | if ((value.exports || value.init) && !value.exportsFn) { |
| 1268 | value.exportsFn = context.makeShimExports(value); |
| 1269 | } |
| 1270 | shim[id] = value; |
| 1271 | }); |
| 1272 | config.shim = shim; |
| 1273 | } |
| 1274 | |
| 1275 | //Adjust packages if necessary. |
| 1276 | if (cfg.packages) { |
| 1277 | each(cfg.packages, function (pkgObj) { |
| 1278 | var location; |
| 1279 | |
| 1280 | pkgObj = typeof pkgObj === 'string' ? { name: pkgObj } : pkgObj; |
| 1281 | location = pkgObj.location; |
| 1282 | |
| 1283 | //Create a brand new object on pkgs, since currentPackages can |
| 1284 | //be passed in again, and config.pkgs is the internal transformed |
| 1285 | //state for all package configs. |
| 1286 | pkgs[pkgObj.name] = { |
| 1287 | name: pkgObj.name, |
| 1288 | location: location || pkgObj.name, |
| 1289 | //Remove leading dot in main, so main paths are normalized, |
| 1290 | //and remove any trailing .js, since different package |
| 1291 | //envs have different conventions: some use a module name, |
| 1292 | //some use a file name. |
| 1293 | main: (pkgObj.main || 'main') |
| 1294 | .replace(currDirRegExp, '') |
| 1295 | .replace(jsSuffixRegExp, '') |
| 1296 | }; |
| 1297 | }); |
| 1298 | |
| 1299 | //Done with modifications, assing packages back to context config |
| 1300 | config.pkgs = pkgs; |
| 1301 | } |
| 1302 | |
| 1303 | //If there are any "waiting to execute" modules in the registry, |
| 1304 | //update the maps for them, since their info, like URLs to load, |
| 1305 | //may have changed. |
| 1306 | eachProp(registry, function (mod, id) { |
| 1307 | //If module already has init called, since it is too |
| 1308 | //late to modify them, and ignore unnormalized ones |
| 1309 | //since they are transient. |
| 1310 | if (!mod.inited && !mod.map.unnormalized) { |
| 1311 | mod.map = makeModuleMap(id); |
| 1312 | } |
| 1313 | }); |
| 1314 | |
| 1315 | //If a deps array or a config callback is specified, then call |
| 1316 | //require with those args. This is useful when require is defined as a |
| 1317 | //config object before require.js is loaded. |
| 1318 | if (cfg.deps || cfg.callback) { |
| 1319 | context.require(cfg.deps || [], cfg.callback); |
| 1320 | } |
| 1321 | }, |
| 1322 | |
| 1323 | makeShimExports: function (value) { |
| 1324 | function fn() { |
| 1325 | var ret; |
| 1326 | if (value.init) { |
| 1327 | ret = value.init.apply(global, arguments); |
| 1328 | } |
| 1329 | return ret || (value.exports && getGlobal(value.exports)); |
| 1330 | } |
| 1331 | return fn; |
| 1332 | }, |
| 1333 | |
| 1334 | makeRequire: function (relMap, options) { |
| 1335 | options = options || {}; |
| 1336 | |
| 1337 | function localRequire(deps, callback, errback) { |
| 1338 | var id, map, requireMod; |
| 1339 | |
| 1340 | if (options.enableBuildCallback && callback && isFunction(callback)) { |
| 1341 | callback.__requireJsBuild = true; |
| 1342 | } |
| 1343 | |
| 1344 | if (typeof deps === 'string') { |
| 1345 | if (isFunction(callback)) { |
| 1346 | //Invalid call |
| 1347 | return onError(makeError('requireargs', 'Invalid require call'), errback); |
| 1348 | } |
| 1349 | |
| 1350 | //If require|exports|module are requested, get the |
| 1351 | //value for them from the special handlers. Caveat: |
| 1352 | //this only works while module is being defined. |
| 1353 | if (relMap && hasProp(handlers, deps)) { |
| 1354 | return handlers[deps](registry[relMap.id]); |
| 1355 | } |
| 1356 | |
| 1357 | //Synchronous access to one module. If require.get is |
| 1358 | //available (as in the Node adapter), prefer that. |
| 1359 | if (req.get) { |
| 1360 | return req.get(context, deps, relMap, localRequire); |
| 1361 | } |
| 1362 | |
| 1363 | //Normalize module name, if it contains . or .. |
| 1364 | map = makeModuleMap(deps, relMap, false, true); |
| 1365 | id = map.id; |
| 1366 | |
| 1367 | if (!hasProp(defined, id)) { |
| 1368 | return onError(makeError('notloaded', 'Module name "' + |
| 1369 | id + |
| 1370 | '" has not been loaded yet for context: ' + |
| 1371 | contextName + |
| 1372 | (relMap ? '' : '. Use require([])'))); |
| 1373 | } |
| 1374 | return defined[id]; |
| 1375 | } |
| 1376 | |
| 1377 | //Grab defines waiting in the global queue. |
| 1378 | intakeDefines(); |
| 1379 | |
| 1380 | //Mark all the dependencies as needing to be loaded. |
| 1381 | context.nextTick(function () { |
| 1382 | //Some defines could have been added since the |
| 1383 | //require call, collect them. |
| 1384 | intakeDefines(); |
| 1385 | |
| 1386 | requireMod = getModule(makeModuleMap(null, relMap)); |
| 1387 | |
| 1388 | //Store if map config should be applied to this require |
| 1389 | //call for dependencies. |
| 1390 | requireMod.skipMap = options.skipMap; |
| 1391 | |
| 1392 | requireMod.init(deps, callback, errback, { |
| 1393 | enabled: true |
| 1394 | }); |
| 1395 | |
| 1396 | checkLoaded(); |
| 1397 | }); |
| 1398 | |
| 1399 | return localRequire; |
| 1400 | } |
| 1401 | |
| 1402 | mixin(localRequire, { |
| 1403 | isBrowser: isBrowser, |
| 1404 | |
| 1405 | /** |
| 1406 | * Converts a module name + .extension into an URL path. |
| 1407 | * *Requires* the use of a module name. It does not support using |
| 1408 | * plain URLs like nameToUrl. |
| 1409 | */ |
| 1410 | toUrl: function (moduleNamePlusExt) { |
| 1411 | var ext, |
| 1412 | index = moduleNamePlusExt.lastIndexOf('.'), |
| 1413 | segment = moduleNamePlusExt.split('/')[0], |
| 1414 | isRelative = segment === '.' || segment === '..'; |
| 1415 | |
| 1416 | //Have a file extension alias, and it is not the |
| 1417 | //dots from a relative path. |
| 1418 | if (index !== -1 && (!isRelative || index > 1)) { |
| 1419 | ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length); |
| 1420 | moduleNamePlusExt = moduleNamePlusExt.substring(0, index); |
| 1421 | } |
| 1422 | |
| 1423 | return context.nameToUrl(normalize(moduleNamePlusExt, |
| 1424 | relMap && relMap.id, true), ext, true); |
| 1425 | }, |
| 1426 | |
| 1427 | defined: function (id) { |
| 1428 | return hasProp(defined, makeModuleMap(id, relMap, false, true).id); |
| 1429 | }, |
| 1430 | |
| 1431 | specified: function (id) { |
| 1432 | id = makeModuleMap(id, relMap, false, true).id; |
| 1433 | return hasProp(defined, id) || hasProp(registry, id); |
| 1434 | } |
| 1435 | }); |
| 1436 | |
| 1437 | //Only allow undef on top level require calls |
| 1438 | if (!relMap) { |
| 1439 | localRequire.undef = function (id) { |
| 1440 | //Bind any waiting define() calls to this context, |
| 1441 | //fix for #408 |
| 1442 | takeGlobalQueue(); |
| 1443 | |
| 1444 | var map = makeModuleMap(id, relMap, true), |
| 1445 | mod = getOwn(registry, id); |
| 1446 | |
| 1447 | delete defined[id]; |
| 1448 | delete urlFetched[map.url]; |
| 1449 | delete undefEvents[id]; |
| 1450 | |
| 1451 | if (mod) { |
| 1452 | //Hold on to listeners in case the |
| 1453 | //module will be attempted to be reloaded |
| 1454 | //using a different config. |
| 1455 | if (mod.events.defined) { |
| 1456 | undefEvents[id] = mod.events; |
| 1457 | } |
| 1458 | |
| 1459 | cleanRegistry(id); |
| 1460 | } |
| 1461 | }; |
| 1462 | } |
| 1463 | |
| 1464 | return localRequire; |
| 1465 | }, |
| 1466 | |
| 1467 | /** |
| 1468 | * Called to enable a module if it is still in the registry |
| 1469 | * awaiting enablement. A second arg, parent, the parent module, |
| 1470 | * is passed in for context, when this method is overriden by |
| 1471 | * the optimizer. Not shown here to keep code compact. |
| 1472 | */ |
| 1473 | enable: function (depMap) { |
| 1474 | var mod = getOwn(registry, depMap.id); |
| 1475 | if (mod) { |
| 1476 | getModule(depMap).enable(); |
| 1477 | } |
| 1478 | }, |
| 1479 | |
| 1480 | /** |
| 1481 | * Internal method used by environment adapters to complete a load event. |
| 1482 | * A load event could be a script load or just a load pass from a synchronous |
| 1483 | * load call. |
| 1484 | * @param {String} moduleName the name of the module to potentially complete. |
| 1485 | */ |
| 1486 | completeLoad: function (moduleName) { |
| 1487 | var found, args, mod, |
| 1488 | shim = getOwn(config.shim, moduleName) || {}, |
| 1489 | shExports = shim.exports; |
| 1490 | |
| 1491 | takeGlobalQueue(); |
| 1492 | |
| 1493 | while (defQueue.length) { |
| 1494 | args = defQueue.shift(); |
| 1495 | if (args[0] === null) { |
| 1496 | args[0] = moduleName; |
| 1497 | //If already found an anonymous module and bound it |
| 1498 | //to this name, then this is some other anon module |
| 1499 | //waiting for its completeLoad to fire. |
| 1500 | if (found) { |
| 1501 | break; |
| 1502 | } |
| 1503 | found = true; |
| 1504 | } else if (args[0] === moduleName) { |
| 1505 | //Found matching define call for this script! |
| 1506 | found = true; |
| 1507 | } |
| 1508 | |
| 1509 | callGetModule(args); |
| 1510 | } |
| 1511 | |
| 1512 | //Do this after the cycle of callGetModule in case the result |
| 1513 | //of those calls/init calls changes the registry. |
| 1514 | mod = getOwn(registry, moduleName); |
| 1515 | |
| 1516 | if (!found && !hasProp(defined, moduleName) && mod && !mod.inited) { |
| 1517 | if (config.enforceDefine && (!shExports || !getGlobal(shExports))) { |
| 1518 | if (hasPathFallback(moduleName)) { |
| 1519 | return; |
| 1520 | } else { |
| 1521 | return onError(makeError('nodefine', |
| 1522 | 'No define call for ' + moduleName, |
| 1523 | null, |
| 1524 | [moduleName])); |
| 1525 | } |
| 1526 | } else { |
| 1527 | //A script that does not call define(), so just simulate |
| 1528 | //the call for it. |
| 1529 | callGetModule([moduleName, (shim.deps || []), shim.exportsFn]); |
| 1530 | } |
| 1531 | } |
| 1532 | |
| 1533 | checkLoaded(); |
| 1534 | }, |
| 1535 | |
| 1536 | /** |
| 1537 | * Converts a module name to a file path. Supports cases where |
| 1538 | * moduleName may actually be just an URL. |
| 1539 | * Note that it **does not** call normalize on the moduleName, |
| 1540 | * it is assumed to have already been normalized. This is an |
| 1541 | * internal API, not a public one. Use toUrl for the public API. |
| 1542 | */ |
| 1543 | nameToUrl: function (moduleName, ext, skipExt) { |
| 1544 | var paths, pkgs, pkg, pkgPath, syms, i, parentModule, url, |
| 1545 | parentPath; |
| 1546 | |
| 1547 | //If a colon is in the URL, it indicates a protocol is used and it is just |
| 1548 | //an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?) |
| 1549 | //or ends with .js, then assume the user meant to use an url and not a module id. |
| 1550 | //The slash is important for protocol-less URLs as well as full paths. |
| 1551 | if (req.jsExtRegExp.test(moduleName)) { |
| 1552 | //Just a plain path, not module name lookup, so just return it. |
| 1553 | //Add extension if it is included. This is a bit wonky, only non-.js things pass |
| 1554 | //an extension, this method probably needs to be reworked. |
| 1555 | url = moduleName + (ext || ''); |
| 1556 | } else { |
| 1557 | //A module that needs to be converted to a path. |
| 1558 | paths = config.paths; |
| 1559 | pkgs = config.pkgs; |
| 1560 | |
| 1561 | syms = moduleName.split('/'); |
| 1562 | //For each module name segment, see if there is a path |
| 1563 | //registered for it. Start with most specific name |
| 1564 | //and work up from it. |
| 1565 | for (i = syms.length; i > 0; i -= 1) { |
| 1566 | parentModule = syms.slice(0, i).join('/'); |
| 1567 | pkg = getOwn(pkgs, parentModule); |
| 1568 | parentPath = getOwn(paths, parentModule); |
| 1569 | if (parentPath) { |
| 1570 | //If an array, it means there are a few choices, |
| 1571 | //Choose the one that is desired |
| 1572 | if (isArray(parentPath)) { |
| 1573 | parentPath = parentPath[0]; |
| 1574 | } |
| 1575 | syms.splice(0, i, parentPath); |
| 1576 | break; |
| 1577 | } else if (pkg) { |
| 1578 | //If module name is just the package name, then looking |
| 1579 | //for the main module. |
| 1580 | if (moduleName === pkg.name) { |
| 1581 | pkgPath = pkg.location + '/' + pkg.main; |
| 1582 | } else { |
| 1583 | pkgPath = pkg.location; |
| 1584 | } |
| 1585 | syms.splice(0, i, pkgPath); |
| 1586 | break; |
| 1587 | } |
| 1588 | } |
| 1589 | |
| 1590 | //Join the path parts together, then figure out if baseUrl is needed. |
| 1591 | url = syms.join('/'); |
| 1592 | url += (ext || (/\?/.test(url) || skipExt ? '' : '.js')); |
| 1593 | url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url; |
| 1594 | } |
| 1595 | |
| 1596 | return config.urlArgs ? url + |
| 1597 | ((url.indexOf('?') === -1 ? '?' : '&') + |
| 1598 | config.urlArgs) : url; |
| 1599 | }, |
| 1600 | |
| 1601 | //Delegates to req.load. Broken out as a separate function to |
| 1602 | //allow overriding in the optimizer. |
| 1603 | load: function (id, url) { |
| 1604 | req.load(context, id, url); |
| 1605 | }, |
| 1606 | |
| 1607 | /** |
| 1608 | * Executes a module callack function. Broken out as a separate function |
| 1609 | * solely to allow the build system to sequence the files in the built |
| 1610 | * layer in the right sequence. |
| 1611 | * |
| 1612 | * @private |
| 1613 | */ |
| 1614 | execCb: function (name, callback, args, exports) { |
| 1615 | return callback.apply(exports, args); |
| 1616 | }, |
| 1617 | |
| 1618 | /** |
| 1619 | * callback for script loads, used to check status of loading. |
| 1620 | * |
| 1621 | * @param {Event} evt the event from the browser for the script |
| 1622 | * that was loaded. |
| 1623 | */ |
| 1624 | onScriptLoad: function (evt) { |
| 1625 | //Using currentTarget instead of target for Firefox 2.0's sake. Not |
| 1626 | //all old browsers will be supported, but this one was easy enough |
| 1627 | //to support and still makes sense. |
| 1628 | if (evt.type === 'load' || |
| 1629 | (readyRegExp.test((evt.currentTarget || evt.srcElement).readyState))) { |
| 1630 | //Reset interactive script so a script node is not held onto for |
| 1631 | //to long. |
| 1632 | interactiveScript = null; |
| 1633 | |
| 1634 | //Pull out the name of the module and the context. |
| 1635 | var data = getScriptData(evt); |
| 1636 | context.completeLoad(data.id); |
| 1637 | } |
| 1638 | }, |
| 1639 | |
| 1640 | /** |
| 1641 | * Callback for script errors. |
| 1642 | */ |
| 1643 | onScriptError: function (evt) { |
| 1644 | var data = getScriptData(evt); |
| 1645 | if (!hasPathFallback(data.id)) { |
| 1646 | return onError(makeError('scripterror', 'Script error', evt, [data.id])); |
| 1647 | } |
| 1648 | } |
| 1649 | }; |
| 1650 | |
| 1651 | context.require = context.makeRequire(); |
| 1652 | return context; |
| 1653 | } |
| 1654 | |
| 1655 | /** |
| 1656 | * Main entry point. |
| 1657 | * |
| 1658 | * If the only argument to require is a string, then the module that |
| 1659 | * is represented by that string is fetched for the appropriate context. |
| 1660 | * |
| 1661 | * If the first argument is an array, then it will be treated as an array |
| 1662 | * of dependency string names to fetch. An optional function callback can |
| 1663 | * be specified to execute when all of those dependencies are available. |
| 1664 | * |
| 1665 | * Make a local req variable to help Caja compliance (it assumes things |
| 1666 | * on a require that are not standardized), and to give a short |
| 1667 | * name for minification/local scope use. |
| 1668 | */ |
| 1669 | req = requirejs = function (deps, callback, errback, optional) { |
| 1670 | |
| 1671 | //Find the right context, use default |
| 1672 | var context, config, |
| 1673 | contextName = defContextName; |
| 1674 | |
| 1675 | // Determine if have config object in the call. |
| 1676 | if (!isArray(deps) && typeof deps !== 'string') { |
| 1677 | // deps is a config object |
| 1678 | config = deps; |
| 1679 | if (isArray(callback)) { |
| 1680 | // Adjust args if there are dependencies |
| 1681 | deps = callback; |
| 1682 | callback = errback; |
| 1683 | errback = optional; |
| 1684 | } else { |
| 1685 | deps = []; |
| 1686 | } |
| 1687 | } |
| 1688 | |
| 1689 | if (config && config.context) { |
| 1690 | contextName = config.context; |
| 1691 | } |
| 1692 | |
| 1693 | context = getOwn(contexts, contextName); |
| 1694 | if (!context) { |
| 1695 | context = contexts[contextName] = req.s.newContext(contextName); |
| 1696 | } |
| 1697 | |
| 1698 | if (config) { |
| 1699 | context.configure(config); |
| 1700 | } |
| 1701 | |
| 1702 | return context.require(deps, callback, errback); |
| 1703 | }; |
| 1704 | |
| 1705 | /** |
| 1706 | * Support require.config() to make it easier to cooperate with other |
| 1707 | * AMD loaders on globally agreed names. |
| 1708 | */ |
| 1709 | req.config = function (config) { |
| 1710 | return req(config); |
| 1711 | }; |
| 1712 | |
| 1713 | /** |
| 1714 | * Execute something after the current tick |
| 1715 | * of the event loop. Override for other envs |
| 1716 | * that have a better solution than setTimeout. |
| 1717 | * @param {Function} fn function to execute later. |
| 1718 | */ |
| 1719 | req.nextTick = typeof setTimeout !== 'undefined' ? function (fn) { |
| 1720 | setTimeout(fn, 4); |
| 1721 | } : function (fn) { fn(); }; |
| 1722 | |
| 1723 | /** |
| 1724 | * Export require as a global, but only if it does not already exist. |
| 1725 | */ |
| 1726 | if (!require) { |
| 1727 | require = req; |
| 1728 | } |
| 1729 | |
| 1730 | req.version = version; |
| 1731 | |
| 1732 | //Used to filter out dependencies that are already paths. |
| 1733 | req.jsExtRegExp = /^\/|:|\?|\.js$/; |
| 1734 | req.isBrowser = isBrowser; |
| 1735 | s = req.s = { |
| 1736 | contexts: contexts, |
| 1737 | newContext: newContext |
| 1738 | }; |
| 1739 | |
| 1740 | //Create default context. |
| 1741 | req({}); |
| 1742 | |
| 1743 | //Exports some context-sensitive methods on global require. |
| 1744 | each([ |
| 1745 | 'toUrl', |
| 1746 | 'undef', |
| 1747 | 'defined', |
| 1748 | 'specified' |
| 1749 | ], function (prop) { |
| 1750 | //Reference from contexts instead of early binding to default context, |
| 1751 | //so that during builds, the latest instance of the default context |
| 1752 | //with its config gets used. |
| 1753 | req[prop] = function () { |
| 1754 | var ctx = contexts[defContextName]; |
| 1755 | return ctx.require[prop].apply(ctx, arguments); |
| 1756 | }; |
| 1757 | }); |
| 1758 | |
| 1759 | if (isBrowser) { |
| 1760 | head = s.head = document.getElementsByTagName('head')[0]; |
| 1761 | //If BASE tag is in play, using appendChild is a problem for IE6. |
| 1762 | //When that browser dies, this can be removed. Details in this jQuery bug: |
| 1763 | //http://dev.jquery.com/ticket/2709 |
| 1764 | baseElement = document.getElementsByTagName('base')[0]; |
| 1765 | if (baseElement) { |
| 1766 | head = s.head = baseElement.parentNode; |
| 1767 | } |
| 1768 | } |
| 1769 | |
| 1770 | /** |
| 1771 | * Any errors that require explicitly generates will be passed to this |
| 1772 | * function. Intercept/override it if you want custom error handling. |
| 1773 | * @param {Error} err the error object. |
| 1774 | */ |
| 1775 | req.onError = function (err) { |
| 1776 | throw err; |
| 1777 | }; |
| 1778 | |
| 1779 | /** |
| 1780 | * Does the request to load a module for the browser case. |
| 1781 | * Make this a separate function to allow other environments |
| 1782 | * to override it. |
| 1783 | * |
| 1784 | * @param {Object} context the require context to find state. |
| 1785 | * @param {String} moduleName the name of the module. |
| 1786 | * @param {Object} url the URL to the module. |
| 1787 | */ |
| 1788 | req.load = function (context, moduleName, url) { |
| 1789 | var config = (context && context.config) || {}, |
| 1790 | node; |
| 1791 | if (isBrowser) { |
| 1792 | //In the browser so use a script tag |
| 1793 | node = config.xhtml ? |
| 1794 | document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') : |
| 1795 | document.createElement('script'); |
| 1796 | node.type = config.scriptType || 'text/javascript'; |
| 1797 | node.charset = 'utf-8'; |
| 1798 | node.async = true; |
| 1799 | |
| 1800 | node.setAttribute('data-requirecontext', context.contextName); |
| 1801 | node.setAttribute('data-requiremodule', moduleName); |
| 1802 | |
| 1803 | //Set up load listener. Test attachEvent first because IE9 has |
| 1804 | //a subtle issue in its addEventListener and script onload firings |
| 1805 | //that do not match the behavior of all other browsers with |
| 1806 | //addEventListener support, which fire the onload event for a |
| 1807 | //script right after the script execution. See: |
| 1808 | //https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution |
| 1809 | //UNFORTUNATELY Opera implements attachEvent but does not follow the script |
| 1810 | //script execution mode. |
| 1811 | if (node.attachEvent && |
| 1812 | //Check if node.attachEvent is artificially added by custom script or |
| 1813 | //natively supported by browser |
| 1814 | //read https://github.com/jrburke/requirejs/issues/187 |
| 1815 | //if we can NOT find [native code] then it must NOT natively supported. |
| 1816 | //in IE8, node.attachEvent does not have toString() |
| 1817 | //Note the test for "[native code" with no closing brace, see: |
| 1818 | //https://github.com/jrburke/requirejs/issues/273 |
| 1819 | !(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) && |
| 1820 | !isOpera) { |
| 1821 | //Probably IE. IE (at least 6-8) do not fire |
| 1822 | //script onload right after executing the script, so |
| 1823 | //we cannot tie the anonymous define call to a name. |
| 1824 | //However, IE reports the script as being in 'interactive' |
| 1825 | //readyState at the time of the define call. |
| 1826 | useInteractive = true; |
| 1827 | |
| 1828 | node.attachEvent('onreadystatechange', context.onScriptLoad); |
| 1829 | //It would be great to add an error handler here to catch |
| 1830 | //404s in IE9+. However, onreadystatechange will fire before |
| 1831 | //the error handler, so that does not help. If addEventListener |
| 1832 | //is used, then IE will fire error before load, but we cannot |
| 1833 | //use that pathway given the connect.microsoft.com issue |
| 1834 | //mentioned above about not doing the 'script execute, |
| 1835 | //then fire the script load event listener before execute |
| 1836 | //next script' that other browsers do. |
| 1837 | //Best hope: IE10 fixes the issues, |
| 1838 | //and then destroys all installs of IE 6-9. |
| 1839 | //node.attachEvent('onerror', context.onScriptError); |
| 1840 | } else { |
| 1841 | node.addEventListener('load', context.onScriptLoad, false); |
| 1842 | node.addEventListener('error', context.onScriptError, false); |
| 1843 | } |
| 1844 | node.src = url; |
| 1845 | |
| 1846 | //For some cache cases in IE 6-8, the script executes before the end |
| 1847 | //of the appendChild execution, so to tie an anonymous define |
| 1848 | //call to the module name (which is stored on the node), hold on |
| 1849 | //to a reference to this node, but clear after the DOM insertion. |
| 1850 | currentlyAddingScript = node; |
| 1851 | if (baseElement) { |
| 1852 | head.insertBefore(node, baseElement); |
| 1853 | } else { |
| 1854 | head.appendChild(node); |
| 1855 | } |
| 1856 | currentlyAddingScript = null; |
| 1857 | |
| 1858 | return node; |
| 1859 | } else if (isWebWorker) { |
| 1860 | try { |
| 1861 | //In a web worker, use importScripts. This is not a very |
| 1862 | //efficient use of importScripts, importScripts will block until |
| 1863 | //its script is downloaded and evaluated. However, if web workers |
| 1864 | //are in play, the expectation that a build has been done so that |
| 1865 | //only one script needs to be loaded anyway. This may need to be |
| 1866 | //reevaluated if other use cases become common. |
| 1867 | importScripts(url); |
| 1868 | |
| 1869 | //Account for anonymous modules |
| 1870 | context.completeLoad(moduleName); |
| 1871 | } catch (e) { |
| 1872 | context.onError(makeError('importscripts', |
| 1873 | 'importScripts failed for ' + |
| 1874 | moduleName + ' at ' + url, |
| 1875 | e, |
| 1876 | [moduleName])); |
| 1877 | } |
| 1878 | } |
| 1879 | }; |
| 1880 | |
| 1881 | function getInteractiveScript() { |
| 1882 | if (interactiveScript && interactiveScript.readyState === 'interactive') { |
| 1883 | return interactiveScript; |
| 1884 | } |
| 1885 | |
| 1886 | eachReverse(scripts(), function (script) { |
| 1887 | if (script.readyState === 'interactive') { |
| 1888 | return (interactiveScript = script); |
| 1889 | } |
| 1890 | }); |
| 1891 | return interactiveScript; |
| 1892 | } |
| 1893 | |
| 1894 | //Look for a data-main script attribute, which could also adjust the baseUrl. |
| 1895 | if (isBrowser) { |
| 1896 | //Figure out baseUrl. Get it from the script tag with require.js in it. |
| 1897 | eachReverse(scripts(), function (script) { |
| 1898 | //Set the 'head' where we can append children by |
| 1899 | //using the script's parent. |
| 1900 | if (!head) { |
| 1901 | head = script.parentNode; |
| 1902 | } |
| 1903 | |
| 1904 | //Look for a data-main attribute to set main script for the page |
| 1905 | //to load. If it is there, the path to data main becomes the |
| 1906 | //baseUrl, if it is not already set. |
| 1907 | dataMain = script.getAttribute('data-main'); |
| 1908 | if (dataMain) { |
| 1909 | //Set final baseUrl if there is not already an explicit one. |
| 1910 | if (!cfg.baseUrl) { |
| 1911 | //Pull off the directory of data-main for use as the |
| 1912 | //baseUrl. |
| 1913 | src = dataMain.split('/'); |
| 1914 | mainScript = src.pop(); |
| 1915 | subPath = src.length ? src.join('/') + '/' : './'; |
| 1916 | |
| 1917 | cfg.baseUrl = subPath; |
| 1918 | dataMain = mainScript; |
| 1919 | } |
| 1920 | |
| 1921 | //Strip off any trailing .js since dataMain is now |
| 1922 | //like a module name. |
| 1923 | dataMain = dataMain.replace(jsSuffixRegExp, ''); |
| 1924 | |
| 1925 | //Put the data-main script in the files to load. |
| 1926 | cfg.deps = cfg.deps ? cfg.deps.concat(dataMain) : [dataMain]; |
| 1927 | |
| 1928 | return true; |
| 1929 | } |
| 1930 | }); |
| 1931 | } |
| 1932 | |
| 1933 | /** |
| 1934 | * The function that handles definitions of modules. Differs from |
| 1935 | * require() in that a string for the module should be the first argument, |
| 1936 | * and the function to execute after dependencies are loaded should |
| 1937 | * return a value to define the module corresponding to the first argument's |
| 1938 | * name. |
| 1939 | */ |
| 1940 | define = function (name, deps, callback) { |
| 1941 | var node, context; |
| 1942 | |
| 1943 | //Allow for anonymous modules |
| 1944 | if (typeof name !== 'string') { |
| 1945 | //Adjust args appropriately |
| 1946 | callback = deps; |
| 1947 | deps = name; |
| 1948 | name = null; |
| 1949 | } |
| 1950 | |
| 1951 | //This module may not have dependencies |
| 1952 | if (!isArray(deps)) { |
| 1953 | callback = deps; |
| 1954 | deps = []; |
| 1955 | } |
| 1956 | |
| 1957 | //If no name, and callback is a function, then figure out if it a |
| 1958 | //CommonJS thing with dependencies. |
| 1959 | if (!deps.length && isFunction(callback)) { |
| 1960 | //Remove comments from the callback string, |
| 1961 | //look for require calls, and pull them into the dependencies, |
| 1962 | //but only if there are function args. |
| 1963 | if (callback.length) { |
| 1964 | callback |
| 1965 | .toString() |
| 1966 | .replace(commentRegExp, '') |
| 1967 | .replace(cjsRequireRegExp, function (match, dep) { |
| 1968 | deps.push(dep); |
| 1969 | }); |
| 1970 | |
| 1971 | //May be a CommonJS thing even without require calls, but still |
| 1972 | //could use exports, and module. Avoid doing exports and module |
| 1973 | //work though if it just needs require. |
| 1974 | //REQUIRES the function to expect the CommonJS variables in the |
| 1975 | //order listed below. |
| 1976 | deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps); |
| 1977 | } |
| 1978 | } |
| 1979 | |
| 1980 | //If in IE 6-8 and hit an anonymous define() call, do the interactive |
| 1981 | //work. |
| 1982 | if (useInteractive) { |
| 1983 | node = currentlyAddingScript || getInteractiveScript(); |
| 1984 | if (node) { |
| 1985 | if (!name) { |
| 1986 | name = node.getAttribute('data-requiremodule'); |
| 1987 | } |
| 1988 | context = contexts[node.getAttribute('data-requirecontext')]; |
| 1989 | } |
| 1990 | } |
| 1991 | |
| 1992 | //Always save off evaluating the def call until the script onload handler. |
| 1993 | //This allows multiple modules to be in a file without prematurely |
| 1994 | //tracing dependencies, and allows for anonymous module support, |
| 1995 | //where the module name is not known until the script onload event |
| 1996 | //occurs. If no context, use the global queue, and get it processed |
| 1997 | //in the onscript load callback. |
| 1998 | (context ? context.defQueue : globalDefQueue).push([name, deps, callback]); |
| 1999 | }; |
| 2000 | |
| 2001 | define.amd = { |
| 2002 | jQuery: true |
| 2003 | }; |
| 2004 | |
| 2005 | |
| 2006 | /** |
| 2007 | * Executes the text. Normally just uses eval, but can be modified |
| 2008 | * to use a better, environment-specific call. Only used for transpiling |
| 2009 | * loader plugins, not for plain JS modules. |
| 2010 | * @param {String} text the text to execute/evaluate. |
| 2011 | */ |
| 2012 | req.exec = function (text) { |
| 2013 | /*jslint evil: true */ |
| 2014 | return eval(text); |
| 2015 | }; |
| 2016 | |
| 2017 | //Set up with config info. |
| 2018 | req(cfg); |
| 2019 | }(this)); |
| 2020 |