resources/mediawiki/mediawiki.js

   1 /*
   2  * JavaScript backwards-compatibility alternatives and other convenience functions
   3  */
   4
   5 jQuery.extend({
   6         trimLeft : function( str ) {
   7                 return str === null ? '' : str.toString().replace( /^\s+/, '' );
   8         },
   9         trimRight : function( str ) {
  10                 return str === null ?
  11                                 '' : str.toString().replace( /\s+$/, '' );
  12         },
  13         ucFirst : function( str ) {
  14                 return str.substr( 0, 1 ).toUpperCase() + str.substr( 1 );
  15         },
  16         escapeRE : function( str ) {
  17                 return str.replace ( /([\\{}()|.?*+\-^$\[\]])/g, "\\$1" );
  18         },
  19         isDomElement : function( el ) {
  20                 return !!el && !!el.nodeType;
  21         },
  22         isEmpty : function( v ) {
  23                 var key;
  24                 if ( v === "" || v === 0 || v === "0" || v === null
  25                         || v === false || typeof v === 'undefined' )
  26                 {
  27                         return true;
  28                 }
  29                 // the for-loop could potentially contain prototypes
  30                 // to avoid that we check it's length first
  31                 if ( v.length === 0 ) {
  32                         return true;
  33                 }
  34                 if ( typeof v === 'object' ) {
  35                         for ( key in v ) {
  36                                 return false;
  37                         }
  38                         return true;
  39                 }
  40                 return false;
  41         },
  42         compareArray : function( arrThis, arrAgainst ) {
  43                 if ( arrThis.length != arrAgainst.length ) {
  44                         return false;
  45                 }
  46                 for ( var i = 0; i < arrThis.length; i++ ) {
  47                         if ( arrThis[i] instanceof Array ) {
  48                                 if ( !$.compareArray( arrThis[i], arrAgainst[i] ) ) {
  49                                         return false;
  50                                 }
  51                         } else if ( arrThis[i] !== arrAgainst[i] ) {
  52                                 return false;
  53                         }
  54                 }
  55                 return true;
  56         },
  57         compareObject : function( objectA, objectB ) {
  58
  59                 // Do a simple check if the types match
  60                 if ( typeof( objectA ) == typeof( objectB ) ) {
  61
  62                         // Only loop over the contents if it really is an object
  63                         if ( typeof( objectA ) == 'object' ) {
  64                                 // If they are aliases of the same object (ie. mw and mediaWiki) return now
  65                                 if ( objectA === objectB ) {
  66                                         return true;
  67                                 } else {
  68                                         // Iterate over each property
  69                                         for ( var prop in objectA ) {
  70                                                 // Check if this property is also present in the other object
  71                                                 if ( prop in objectB ) {
  72                                                         // Compare the types of the properties
  73                                                         var type = typeof( objectA[prop] );
  74                                                         if ( type == typeof( objectB[prop] ) ) {
  75                                                                 // Recursively check objects inside this one
  76                                                                 switch ( type ) {
  77                                                                         case 'object' :
  78                                                                                 if ( !$.compareObject( objectA[prop], objectB[prop] ) ) {
  79                                                                                         return false;
  80                                                                                 }
  81                                                                                 break;
  82                                                                         case 'function' :
  83                                                                                 // Functions need to be strings to compare them properly
  84                                                                                 if ( objectA[prop].toString() !== objectB[prop].toString() ) {
  85                                                                                         return false;
  86                                                                                 }
  87                                                                                 break;
  88                                                                         default:
  89                                                                                 // Strings, numbers
  90                                                                                 if ( objectA[prop] !== objectB[prop] ) {
  91                                                                                         return false;
  92                                                                                 }
  93                                                                                 break;
  94                                                                 }
  95                                                         } else {
  96                                                                 return false;
  97                                                         }
  98                                                 } else {
  99                                                         return false;
 100                                                 }
 101                                         }
 102                                         // Check for properties in B but not in A
 103                                         // This is about 15% faster (tested in Safari 5 and Firefox 3.6)
 104                                         // ...than incrementing a count variable in the above and below loops
 105                                         // See also: http://www.mediawiki.org/wiki/ResourceLoader/Default_modules/compareObject_test#Results
 106                                         for ( var prop in objectB ) {
 107                                                 if ( !( prop in objectA ) ) {
 108                                                         return false;
 109                                                 }
 110                                         }
 111                                 }
 112                         }
 113                 } else {
 114                         return false;
 115                 }
 116                 return true;
 117         }
 118 });
 119
 120 /*
 121  * Core MediaWiki JavaScript Library
 122  */
 123
 124 // Attach to window
 125 window.mediaWiki = new ( function( $ ) {
 126
 127         /* Constants */
 128
 129         // This will not change until we are 100% ready to turn off legacy globals
 130         var LEGACY_GLOBALS = true;
 131
 132         /* Private Members */
 133
 134         // List of messages that have been requested to be loaded
 135         var messageQueue = {};
 136
 137         /* Prototypes */
 138
 139         /**
 140          * An object which allows single and multiple get/set/exists functionality
 141          * on a list of key / value pairs.
 142          *
 143          * @param {boolean} global Whether to get/set/exists values on the window
 144          *   object or a private object
 145          */
 146         function Map( global ) {
 147                 this.values = ( global === true ) ? window : {};
 148         }
 149
 150         /**
 151          * Gets the value of a key, or a list of key/value pairs for an array of keys.
 152          *
 153          * If called with no arguments, all values will be returned.
 154          *
 155          * @param selection mixed Key or array of keys to get values for
 156          * @param fallback mixed Value to use in case key(s) do not exist (optional)
 157          */
 158         Map.prototype.get = function( selection, fallback ) {
 159                 if ( typeof selection === 'object' ) {
 160                         selection = $.makeArray( selection );
 161                         var results = {};
 162                         for ( var i = 0; i < selection.length; i++ ) {
 163                                 results[selection[i]] = this.get( selection[i], fallback );
 164                         }
 165                         return results;
 166                 } else if ( typeof selection === 'string' ) {
 167                         if ( typeof this.values[selection] === 'undefined' ) {
 168                                 if ( typeof fallback !== 'undefined' ) {
 169                                         return fallback;
 170                                 }
 171                                 return null;
 172                         }
 173                         return this.values[selection];
 174                 }
 175                 return this.values;
 176         };
 177
 178         /**
 179          * Sets one or multiple key/value pairs.
 180          *
 181          * @param selection mixed Key or object of key/value pairs to set
 182          * @param value mixed Value to set (optional, only in use when key is a string)
 183          */
 184         Map.prototype.set = function( selection, value ) {
 185                 if ( typeof selection === 'object' ) {
 186                         for ( var s in selection ) {
 187                                 this.values[s] = selection[s];
 188                         }
 189                 } else if ( typeof selection === 'string' && typeof value !== 'undefined' ) {
 190                         this.values[selection] = value;
 191                 }
 192         };
 193
 194         /**
 195          * Checks if one or multiple keys exist.
 196          *
 197          * @param selection mixed Key or array of keys to check
 198          * @return boolean Existence of key(s)
 199          */
 200         Map.prototype.exists = function( selection ) {
 201                 if ( typeof selection === 'object' ) {
 202                         for ( var s = 0; s < selection.length; s++ ) {
 203                                 if ( !( selection[s] in this.values ) ) {
 204                                         return false;
 205                                 }
 206                         }
 207                         return true;
 208                 } else {
 209                         return selection in this.values;
 210                 }
 211         };
 212
 213         /**
 214          * Message object, similar to Message in PHP
 215          */
 216         function Message( map, key, parameters ) {
 217                 this.format = 'parse';
 218                 this.map = map;
 219                 this.key = key;
 220                 this.parameters = typeof parameters === 'undefined' ? [] : $.makeArray( parameters );
 221         }
 222
 223         /**
 224          * Appends parameters for replacement
 225          *
 226          * @param parameters mixed First in a list of variadic arguments to append as message parameters
 227          */
 228         Message.prototype.params = function( parameters ) {
 229                 for ( var i = 0; i < parameters.length; i++ ) {
 230                         this.parameters[this.parameters.length] = parameters[i];
 231                 }
 232                 return this;
 233         };
 234
 235         /**
 236          * Converts message object to it's string form based on the state of format
 237          *
 238          * @return {string} String form of message
 239          */
 240         Message.prototype.toString = function() {
 241                 if ( !this.map.exists( this.key ) ) {
 242                         // Return <key> if key does not exist
 243                         return '<' + this.key + '>';
 244                 }
 245                 var text = this.map.get( this.key );
 246                 var parameters = this.parameters;
 247                 text = text.replace( /\$(\d+)/g, function( string, match ) {
 248                         var index = parseInt( match, 10 ) - 1;
 249                         return index in parameters ? parameters[index] : '$' + match;
 250                 } );
 251
 252                 if ( this.format === 'plain' ) {
 253                         return text;
 254                 }
 255                 if ( this.format === 'escaped' ) {
 256                         // According to Message.php this needs {{-transformation, which is
 257                         // still todo
 258                         return mediaWiki.html.escape( text );
 259                 }
 260
 261                 /* This should be fixed up when we have a parser
 262                 if ( this.format === 'parse' && 'language' in mediaWiki ) {
 263                         text = mediaWiki.language.parse( text );
 264                 }
 265                 */
 266                 return text;
 267         };
 268
 269         /**
 270          * Changes format to parse and converts message to string
 271          *
 272          * @return {string} String form of parsed message
 273          */
 274         Message.prototype.parse = function() {
 275                 this.format = 'parse';
 276                 return this.toString();
 277         };
 278
 279         /**
 280          * Changes format to plain and converts message to string
 281          *
 282          * @return {string} String form of plain message
 283          */
 284         Message.prototype.plain = function() {
 285                 this.format = 'plain';
 286                 return this.toString();
 287         };
 288
 289         /**
 290          * Changes the format to html escaped and converts message to string
 291          *
 292          * @return {string} String form of html escaped message
 293          */
 294         Message.prototype.escaped = function() {
 295                 this.format = 'escaped';
 296                 return this.toString();
 297         };
 298
 299         /**
 300          * Checks if message exists
 301          *
 302          * @return {string} String form of parsed message
 303          */
 304         Message.prototype.exists = function() {
 305                 return this.map.exists( this.key );
 306         };
 307
 308         /**
 309          * User object
 310          */
 311         function User() {
 312
 313                 /* Private Members */
 314
 315                 var that = this;
 316
 317                 /* Public Members */
 318
 319                 this.options = new Map();
 320
 321                 /* Public Methods */
 322
 323                 /**
 324                  * Generates a random user session ID (32 alpha-numeric characters).
 325                  *
 326                  * This information would potentially be stored in a cookie to identify a user during a
 327                  * session or series of sessions. It's uniqueness should not be depended on.
 328                  *
 329                  * @return string random set of 32 alpha-numeric characters
 330                  */
 331                 function generateId() {
 332                         var id = '';
 333                         var seed = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
 334                         for ( var i = 0, r; i < 32; i++ ) {
 335                                 r = Math.floor( Math.random() * seed.length );
 336                                 id += seed.substring( r, r + 1 );
 337                         }
 338                         return id;
 339                 }
 340
 341                 /**
 342                  * Gets the current user's name.
 343                  *
 344                  * @return mixed user name string or null if users is anonymous
 345                  */
 346                 this.name = function() {
 347                         return mediaWiki.config.get( 'wgUserName' );
 348                 };
 349
 350                 /**
 351                  * Checks if the current user is anonymous.
 352                  *
 353                  * @return boolean
 354                  */
 355                 this.anonymous = function() {
 356                         return that.name() ? false : true;
 357                 };
 358
 359                 /**
 360                  * Gets a random session ID automatically generated and kept in a cookie.
 361                  *
 362                  * This ID is ephemeral for everyone, staying in their browser only until they close
 363                  * their browser.
 364                  *
 365                  * Do not use this method before the first call to mw.loader.go(), it depends on
 366                  * jquery.cookie, which is added to the first pay-load just after mediaWiki is defined, but
 367                  * won't be loaded until the first call to go().
 368                  *
 369                  * @return string user name or random session ID
 370                  */
 371                 this.sessionId = function () {
 372                         var sessionId = $.cookie( 'mediaWiki.user.sessionId' );
 373                         if ( typeof sessionId == 'undefined' || sessionId === null ) {
 374                                 sessionId = generateId();
 375                                 $.cookie( 'mediaWiki.user.sessionId', sessionId, { 'expires': null, 'path': '/' } );
 376                         }
 377                         return sessionId;
 378                 };
 379
 380                 /**
 381                  * Gets the current user's name or a random ID automatically generated and kept in a cookie.
 382                  *
 383                  * This ID is persistent for anonymous users, staying in their browser up to 1 year. The
 384                  * expiration time is reset each time the ID is queried, so in most cases this ID will
 385                  * persist until the browser's cookies are cleared or the user doesn't visit for 1 year.
 386                  *
 387                  * Do not use this method before the first call to mw.loader.go(), it depends on
 388                  * jquery.cookie, which is added to the first pay-load just after mediaWiki is defined, but
 389                  * won't be loaded until the first call to go().
 390                  *
 391                  * @return string user name or random session ID
 392                  */
 393                 this.id = function() {
 394                         var name = that.name();
 395                         if ( name ) {
 396                                 return name;
 397                         }
 398                         var id = $.cookie( 'mediaWiki.user.id' );
 399                         if ( typeof id == 'undefined' || id === null ) {
 400                                 id = generateId();
 401                         }
 402                         // Set cookie if not set, or renew it if already set
 403                         $.cookie( 'mediaWiki.user.id', id, { 'expires': 365, 'path': '/' } );
 404                         return id;
 405                 };
 406
 407                 /**
 408                  * Gets the user's bucket, placing them in one at random based on set odds if needed.
 409                  *
 410                  * @param key String: Name of bucket
 411                  * @param options Object: Bucket configuration options
 412                  * @param options.buckets Object: List of bucket-name/relative-probability pairs (required,
 413                  * must have at least one pair)
 414                  * @param options.version Number: Version of bucket test, changing this forces rebucketing
 415                  * (optional, default: 0)
 416                  * @param options.tracked Boolean: Track the event of bucketing through the API module of
 417                  * the ClickTracking extension (optional, default: false)
 418                  * @param options.expires Number: Length of time (in days) until the user gets rebucketed
 419                  * (optional, default: 30)
 420                  * @return String: Bucket name - the randomly chosen key of the options.buckets object
 421                  *
 422                  * @example
 423                  *     mw.user.bucket( 'test', {
 424                  *         'buckets': { 'ignored': 50, 'control': 25, 'test': 25 },
 425                  *         'version': 1,
 426                  *         'tracked': true,
 427                  *         'expires': 7
 428                  *     } );
 429                  */
 430                 this.bucket = function( key, options ) {
 431                         options = $.extend( {
 432                                 'buckets': {},
 433                                 'version': 0,
 434                                 'tracked': false,
 435                                 'expires': 30
 436                         }, options || {} );
 437                         var cookie = $.cookie( 'mediaWiki.user.bucket:' + key );
 438                         var bucket = null;
 439                         var version = 0;
 440                         // Bucket information is stored as 2 integers, together as version:bucket like: "1:2"
 441                         if ( typeof cookie === 'string' && cookie.length > 2 && cookie.indexOf( ':' ) > 0 ) {
 442                                 var parts = cookie.split( ':' );
 443                                 if ( parts.length > 1 && parts[0] == options.version ) {
 444                                         version = Number( parts[0] );
 445                                         bucket = String( parts[1] );
 446                                 }
 447                         }
 448                         if ( bucket === null ) {
 449                                 if ( !$.isPlainObject( options.buckets ) ) {
 450                                         throw 'Invalid buckets error. Object expected for options.buckets.';
 451                                 }
 452                                 version = Number( options.version );
 453                                 // Find range
 454                                 var range = 0;
 455                                 for ( var k in options.buckets ) {
 456                                         range += options.buckets[k];
 457                                 }
 458                                 // Select random value within range
 459                                 var rand = Math.random() * range;
 460                                 // Determine which bucket the value landed in
 461                                 var total = 0;
 462                                 for ( var k in options.buckets ) {
 463                                         bucket = k;
 464                                         total += options.buckets[k];
 465                                         if ( total >= rand ) {
 466                                                 break;
 467                                         }
 468                                 }
 469                                 if ( options.tracked ) {
 470                                         mw.loader.using( 'jquery.clickTracking', function() {
 471                                                 $.trackAction(
 472                                                         'mediaWiki.user.bucket:' + key + '@' + version + ':' + bucket
 473                                                 );
 474                                         } );
 475                                 }
 476                                 $.cookie(
 477                                         'mediaWiki.user.bucket:' + key,
 478                                         version + ':' + bucket,
 479                                         { 'path': '/', 'expires': Number( options.expires ) }
 480                                 );
 481                         }
 482                         return bucket;
 483                 };
 484         }
 485
 486         /* Public Members */
 487
 488         /*
 489          * Dummy function which in debug mode can be replaced with a function that
 490          * does something clever
 491          */
 492         this.log = function() { };
 493
 494         /*
 495          * Make the Map-class publicly available
 496          */
 497         this.Map = Map;
 498
 499         /*
 500          * List of configuration values
 501          *
 502          * In legacy mode the values this object wraps will be in the global space
 503          */
 504         this.config = new this.Map( LEGACY_GLOBALS );
 505
 506         /*
 507          * Information about the current user
 508          */
 509         this.user = new User();
 510
 511         /*
 512          * Localization system
 513          */
 514         this.messages = new this.Map();
 515
 516         /* Public Methods */
 517
 518         /**
 519          * Gets a message object, similar to wfMessage()
 520          *
 521          * @param key string Key of message to get
 522          * @param parameters mixed First argument in a list of variadic arguments, each a parameter for $
 523          * replacement
 524          */
 525         this.message = function( key, parameters ) {
 526                 // Support variadic arguments
 527                 if ( typeof parameters !== 'undefined' ) {
 528                         parameters = $.makeArray( arguments );
 529                         parameters.shift();
 530                 } else {
 531                         parameters = [];
 532                 }
 533                 return new Message( mediaWiki.messages, key, parameters );
 534         };
 535
 536         /**
 537          * Gets a message string, similar to wfMsg()
 538          *
 539          * @param key string Key of message to get
 540          * @param parameters mixed First argument in a list of variadic arguments, each a parameter for $
 541          * replacement
 542          */
 543         this.msg = function( key, parameters ) {
 544                 return mediaWiki.message.apply( mediaWiki.message, arguments ).toString();
 545         };
 546
 547         /**
 548          * Client-side module loader which integrates with the MediaWiki ResourceLoader
 549          */
 550         this.loader = new ( function() {
 551
 552                 /* Private Members */
 553
 554                 /**
 555                  * Mapping of registered modules
 556                  *
 557                  * The jquery module is pre-registered, because it must have already
 558                  * been provided for this object to have been built, and in debug mode
 559                  * jquery would have been provided through a unique loader request,
 560                  * making it impossible to hold back registration of jquery until after
 561                  * mediawiki.
 562                  *
 563                  * Format:
 564                  *   {
 565                  *     'moduleName': {
 566                  *       'dependencies': ['required module', 'required module', ...], (or) function() {}
 567                  *       'state': 'registered', 'loading', 'loaded', 'ready', or 'error'
 568                  *       'script': function() {},
 569                  *       'style': 'css code string',
 570                  *       'messages': { 'key': 'value' },
 571                  *       'version': ############## (unix timestamp)
 572                  *     }
 573                  *   }
 574                  */
 575                 var registry = {};
 576                 // List of modules which will be loaded as when ready
 577                 var batch = [];
 578                 // List of modules to be loaded
 579                 var queue = [];
 580                 // List of callback functions waiting for modules to be ready to be called
 581                 var jobs = [];
 582                 // Flag indicating that requests should be suspended
 583                 var suspended = true;
 584                 // Flag inidicating that document ready has occured
 585                 var ready = false;
 586                 // Marker element for adding dynamic styles
 587                 var $marker = $( 'head meta[name=ResourceLoaderDynamicStyles]' );
 588
 589                 /* Private Methods */
 590
 591                 function compare( a, b ) {
 592                         if ( a.length != b.length ) {
 593                                 return false;
 594                         }
 595                         for ( var i = 0; i < b.length; i++ ) {
 596                                 if ( $.isArray( a[i] ) ) {
 597                                         if ( !compare( a[i], b[i] ) ) {
 598                                                 return false;
 599                                         }
 600                                 }
 601                                 if ( a[i] !== b[i] ) {
 602                                         return false;
 603                                 }
 604                         }
 605                         return true;
 606                 }
 607
 608                 /**
 609                  * Generates an ISO8601 "basic" string from a UNIX timestamp
 610                  */
 611                 function formatVersionNumber( timestamp ) {
 612                         function pad( a, b, c ) {
 613                                 return [a < 10 ? '0' + a : a, b < 10 ? '0' + b : b, c < 10 ? '0' + c : c].join( '' );
 614                         }
 615                         var d = new Date();
 616                         d.setTime( timestamp * 1000 );
 617                         return [
 618                                 pad( d.getUTCFullYear(), d.getUTCMonth() + 1, d.getUTCDate() ), 'T',
 619                                 pad( d.getUTCHours(), d.getUTCMinutes(), d.getUTCSeconds() ), 'Z'
 620                         ].join( '' );
 621                 }
 622
 623                 /**
 624                  * Recursively resolves dependencies and detects circular references
 625                  */
 626                 function recurse( module, resolved, unresolved ) {
 627                         if ( typeof registry[module] === 'undefined' ) {
 628                                 throw new Error( 'Unknown dependency: ' + module );
 629                         }
 630                         // Resolves dynamic loader function and replaces it with its own results
 631                         if ( $.isFunction( registry[module].dependencies ) ) {
 632                                 registry[module].dependencies = registry[module].dependencies();
 633                                 // Ensures the module's dependencies are always in an array
 634                                 if ( typeof registry[module].dependencies !== 'object' ) {
 635                                         registry[module].dependencies = [registry[module].dependencies];
 636                                 }
 637                         }
 638                         // Tracks down dependencies
 639                         for ( var n = 0; n < registry[module].dependencies.length; n++ ) {
 640                                 if ( $.inArray( registry[module].dependencies[n], resolved ) === -1 ) {
 641                                         if ( $.inArray( registry[module].dependencies[n], unresolved ) !== -1 ) {
 642                                                 throw new Error(
 643                                                         'Circular reference detected: ' + module +
 644                                                         ' -> ' + registry[module].dependencies[n]
 645                                                 );
 646                                         }
 647                                         recurse( registry[module].dependencies[n], resolved, unresolved );
 648                                 }
 649                         }
 650                         resolved[resolved.length] = module;
 651                         unresolved.splice( $.inArray( module, unresolved ), 1 );
 652                 }
 653
 654                 /**
 655                  * Gets a list of module names that a module depends on in their proper dependency order
 656                  *
 657                  * @param module string module name or array of string module names
 658                  * @return list of dependencies
 659                  * @throws Error if circular reference is detected
 660                  */
 661                 function resolve( module ) {
 662                         // Allow calling with an array of module names
 663                         if ( typeof module === 'object' ) {
 664                                 var modules = [];
 665                                 for ( var m = 0; m < module.length; m++ ) {
 666                                         var dependencies = resolve( module[m] );
 667                                         for ( var n = 0; n < dependencies.length; n++ ) {
 668                                                 modules[modules.length] = dependencies[n];
 669                                         }
 670                                 }
 671                                 return modules;
 672                         } else if ( typeof module === 'string' ) {
 673                                 // Undefined modules have no dependencies
 674                                 if ( !( module in registry ) ) {
 675                                         return [];
 676                                 }
 677                                 var resolved = [];
 678                                 recurse( module, resolved, [] );
 679                                 return resolved;
 680                         }
 681                         throw new Error( 'Invalid module argument: ' + module );
 682                 }
 683
 684                 /**
 685                  * Narrows a list of module names down to those matching a specific
 686                  * state. Possible states are 'undefined', 'registered', 'loading',
 687                  * 'loaded', or 'ready'
 688                  *
 689                  * @param states string or array of strings of module states to filter by
 690                  * @param modules array list of module names to filter (optional, all modules
 691                  *   will be used by default)
 692                  * @return array list of filtered module names
 693                  */
 694                 function filter( states, modules ) {
 695                         // Allow states to be given as a string
 696                         if ( typeof states === 'string' ) {
 697                                 states = [states];
 698                         }
 699                         // If called without a list of modules, build and use a list of all modules
 700                         var list = [], module;
 701                         if ( typeof modules === 'undefined' ) {
 702                                 modules = [];
 703                                 for ( module in registry ) {
 704                                         modules[modules.length] = module;
 705                                 }
 706                         }
 707                         // Build a list of modules which are in one of the specified states
 708                         for ( var s = 0; s < states.length; s++ ) {
 709                                 for ( var m = 0; m < modules.length; m++ ) {
 710                                         if ( typeof registry[modules[m]] === 'undefined' ) {
 711                                                 // Module does not exist
 712                                                 if ( states[s] == 'undefined' ) {
 713                                                         // OK, undefined
 714                                                         list[list.length] = modules[m];
 715                                                 }
 716                                         } else {
 717                                                 // Module exists, check state
 718                                                 if ( registry[modules[m]].state === states[s] ) {
 719                                                         // OK, correct state
 720                                                         list[list.length] = modules[m];
 721                                                 }
 722                                         }
 723                                 }
 724                         }
 725                         return list;
 726                 }
 727
 728                 /**
 729                  * Executes a loaded module, making it ready to use
 730                  *
 731                  * @param module string module name to execute
 732                  */
 733                 function execute( module ) {
 734                         var _fn = 'mw.loader::execute> ';
 735                         if ( typeof registry[module] === 'undefined' ) {
 736                                 throw new Error( 'Module has not been registered yet: ' + module );
 737                         } else if ( registry[module].state === 'registered' ) {
 738                                 throw new Error( 'Module has not been requested from the server yet: ' + module );
 739                         } else if ( registry[module].state === 'loading' ) {
 740                                 throw new Error( 'Module has not completed loading yet: ' + module );
 741                         } else if ( registry[module].state === 'ready' ) {
 742                                 throw new Error( 'Module has already been loaded: ' + module );
 743                         }
 744                         // Add style sheet to document
 745                         if ( typeof registry[module].style === 'string' && registry[module].style.length ) {
 746                                 $marker.before( mediaWiki.html.element( 'style',
 747                                                 { type: 'text/css' },
 748                                                 new mediaWiki.html.Cdata( registry[module].style )
 749                                         ) );
 750                         } else if ( typeof registry[module].style === 'object'
 751                                 && !( $.isArray( registry[module].style ) ) )
 752                         {
 753                                 for ( var media in registry[module].style ) {
 754                                         $marker.before( mediaWiki.html.element( 'style',
 755                                                 { type: 'text/css', media: media },
 756                                                 new mediaWiki.html.Cdata( registry[module].style[media] )
 757                                         ) );
 758                                 }
 759                         }
 760                         // Add localizations to message system
 761                         if ( typeof registry[module].messages === 'object' ) {
 762                                 mediaWiki.messages.set( registry[module].messages );
 763                         }
 764                         // Execute script
 765                         try {
 766                                 registry[module].script( jQuery );
 767                                 registry[module].state = 'ready';
 768                                 // Run jobs who's dependencies have just been met
 769                                 for ( var j = 0; j < jobs.length; j++ ) {
 770                                         if ( compare(
 771                                                 filter( 'ready', jobs[j].dependencies ),
 772                                                 jobs[j].dependencies ) )
 773                                         {
 774                                                 if ( $.isFunction( jobs[j].ready ) ) {
 775                                                         jobs[j].ready();
 776                                                 }
 777                                                 jobs.splice( j, 1 );
 778                                                 j--;
 779                                         }
 780                                 }
 781                                 // Execute modules who's dependencies have just been met
 782                                 for ( var r in registry ) {
 783                                         if ( registry[r].state == 'loaded' ) {
 784                                                 if ( compare(
 785                                                         filter( ['ready'], registry[r].dependencies ),
 786                                                         registry[r].dependencies ) )
 787                                                 {
 788                                                         execute( r );
 789                                                 }
 790                                         }
 791                                 }
 792                         } catch ( e ) {
 793                                 // This needs to NOT use mw.log because these errors are common in production mode
 794                                 // and not in debug mode, such as when a symbol that should be global isn't exported
 795                                 if ( window.console && typeof window.console.log === 'function' ) {
 796                                         console.log( _fn + 'Exception thrown by ' + module + ': ' + e.message );
 797                                         console.log( e );
 798                                 }
 799                                 registry[module].state = 'error';
 800                                 // Run error callbacks of jobs affected by this condition
 801                                 for ( var j = 0; j < jobs.length; j++ ) {
 802                                         if ( $.inArray( module, jobs[j].dependencies ) !== -1 ) {
 803                                                 if ( $.isFunction( jobs[j].error ) ) {
 804                                                         jobs[j].error();
 805                                                 }
 806                                                 jobs.splice( j, 1 );
 807                                                 j--;
 808                                         }
 809                                 }
 810                         }
 811                 }
 812
 813                 /**
 814                  * Adds a dependencies to the queue with optional callbacks to be run
 815                  * when the dependencies are ready or fail
 816                  *
 817                  * @param dependencies string module name or array of string module names
 818                  * @param ready function callback to execute when all dependencies are ready
 819                  * @param error function callback to execute when any dependency fails
 820                  */
 821                 function request( dependencies, ready, error ) {
 822                         // Allow calling by single module name
 823                         if ( typeof dependencies === 'string' ) {
 824                                 dependencies = [dependencies];
 825                                 if ( dependencies[0] in registry ) {
 826                                         for ( var n = 0; n < registry[dependencies[0]].dependencies.length; n++ ) {
 827                                                 dependencies[dependencies.length] =
 828                                                         registry[dependencies[0]].dependencies[n];
 829                                         }
 830                                 }
 831                         }
 832                         // Add ready and error callbacks if they were given
 833                         if ( arguments.length > 1 ) {
 834                                 jobs[jobs.length] = {
 835                                         'dependencies': filter(
 836                                                 ['undefined', 'registered', 'loading', 'loaded'],
 837                                                 dependencies ),
 838                                         'ready': ready,
 839                                         'error': error
 840                                 };
 841                         }
 842                         // Queue up any dependencies that are undefined or registered
 843                         dependencies = filter( ['undefined', 'registered'], dependencies );
 844                         for ( var n = 0; n < dependencies.length; n++ ) {
 845                                 if ( $.inArray( dependencies[n], queue ) === -1 ) {
 846                                         queue[queue.length] = dependencies[n];
 847                                 }
 848                         }
 849                         // Work the queue
 850                         mediaWiki.loader.work();
 851                 }
 852
 853                 function sortQuery(o) {
 854                         var sorted = {}, key, a = [];
 855                         for ( key in o ) {
 856                                 if ( o.hasOwnProperty( key ) ) {
 857                                         a.push( key );
 858                                 }
 859                         }
 860                         a.sort();
 861                         for ( key = 0; key < a.length; key++ ) {
 862                                 sorted[a[key]] = o[a[key]];
 863                         }
 864                         return sorted;
 865                 }
 866
 867                 /**
 868                  * Converts a module map of the form { foo: [ 'bar', 'baz' ], bar: [ 'baz, 'quux' ] }
 869                  * to a query string of the form foo.bar,baz|bar.baz,quux
 870                  */
 871                 function buildModulesString( moduleMap ) {
 872                         var arr = [];
 873                         for ( var prefix in moduleMap ) {
 874                                 var p = prefix === '' ? '' : prefix + '.';
 875                                 arr.push( p + moduleMap[prefix].join( ',' ) );
 876                         }
 877                         return arr.join( '|' );
 878                 }
 879
 880
 881                 /* Public Methods */
 882
 883                 /**
 884                  * Requests dependencies from server, loading and executing when things when ready.
 885                  */
 886                 this.work = function() {
 887                         // Appends a list of modules to the batch
 888                         for ( var q = 0; q < queue.length; q++ ) {
 889                                 // Only request modules which are undefined or registered
 890                                 if ( !( queue[q] in registry ) || registry[queue[q]].state == 'registered' ) {
 891                                         // Prevent duplicate entries
 892                                         if ( $.inArray( queue[q], batch ) === -1 ) {
 893                                                 batch[batch.length] = queue[q];
 894                                                 // Mark registered modules as loading
 895                                                 if ( queue[q] in registry ) {
 896                                                         registry[queue[q]].state = 'loading';
 897                                                 }
 898                                         }
 899                                 }
 900                         }
 901                         // Clean up the queue
 902                         queue = [];
 903                         // After document ready, handle the batch
 904                         if ( !suspended && batch.length ) {
 905                                 // Always order modules alphabetically to help reduce cache
 906                                 // misses for otherwise identical content
 907                                 batch.sort();
 908                                 // Build a list of request parameters
 909                                 var base = {
 910                                         'skin': mediaWiki.config.get( 'skin' ),
 911                                         'lang': mediaWiki.config.get( 'wgUserLanguage' ),
 912                                         'debug': mediaWiki.config.get( 'debug' )
 913                                 };
 914                                 // Extend request parameters with a list of modules in the batch
 915                                 var requests = [];
 916                                 // Split into groups
 917                                 var groups = {};
 918                                 for ( var b = 0; b < batch.length; b++ ) {
 919                                         var group = registry[batch[b]].group;
 920                                         if ( !( group in groups ) ) {
 921                                                 groups[group] = [];
 922                                         }
 923                                         groups[group][groups[group].length] = batch[b];
 924                                 }
 925                                 for ( var group in groups ) {
 926                                         // Calculate the highest timestamp
 927                                         var version = 0;
 928                                         for ( var g = 0; g < groups[group].length; g++ ) {
 929                                                 if ( registry[groups[group][g]].version > version ) {
 930                                                         version = registry[groups[group][g]].version;
 931                                                 }
 932                                         }
 933                                         var reqBase = $.extend( { 'version': formatVersionNumber( version ) }, base );
 934                                         var reqBaseLength = $.param( reqBase ).length;
 935                                         var reqs = [];
 936                                         var limit = mw.config.get( 'wgResourceLoaderMaxQueryLength', -1 );
 937                                         // We may need to split up the request to honor the query string length limit
 938                                         // So build it piece by piece
 939                                         var l = reqBaseLength + 9; // '&modules='.length == 9
 940                                         var r = 0;
 941                                         reqs[0] = {}; // { prefix: [ suffixes ] }
 942                                         for ( var i = 0; i < groups[group].length; i++ ) {
 943                                                 // Determine how many bytes this module would add to the query string
 944                                                 var lastDotIndex = groups[group][i].lastIndexOf( '.' );
 945                                                 // Note that these substr() calls work even if lastDotIndex == -1
 946                                                 var prefix = groups[group][i].substr( 0, lastDotIndex );
 947                                                 var suffix = groups[group][i].substr( lastDotIndex + 1 );
 948                                                 var bytesAdded = prefix in reqs[r] ?
 949                                                         suffix.length + 3 : // '%2C'.length == 3
 950                                                         groups[group][i].length + 3; // '%7C'.length == 3
 951
 952                                                 // If the request would become too long, create a new one,
 953                                                 // but don't create empty requests
 954                                                 if ( limit > 0 &&  reqs[r] != {} && l + bytesAdded > limit ) {
 955                                                         // This request would become too long, create a new one
 956                                                         r++;
 957                                                         reqs[r] = {};
 958                                                         l = reqBaseLength + 9;
 959                                                 }
 960                                                 if ( !( prefix in reqs[r] ) ) {
 961                                                         reqs[r][prefix] = [];
 962                                                 }
 963                                                 reqs[r][prefix].push( suffix );
 964                                                 l += bytesAdded;
 965                                         }
 966                                         for ( var r = 0; r < reqs.length; r++ ) {
 967                                                 requests[requests.length] = $.extend(
 968                                                         { 'modules': buildModulesString( reqs[r] ) }, reqBase
 969                                                 );
 970                                         }
 971                                 }
 972                                 // Clear the batch - this MUST happen before we append the
 973                                 // script element to the body or it's possible that the script
 974                                 // will be locally cached, instantly load, and work the batch
 975                                 // again, all before we've cleared it causing each request to
 976                                 // include modules which are already loaded
 977                                 batch = [];
 978                                 // Asynchronously append a script tag to the end of the body
 979                                 function getScriptTag() {
 980                                         var html = '';
 981                                         for ( var r = 0; r < requests.length; r++ ) {
 982                                                 requests[r] = sortQuery( requests[r] );
 983                                                 // Build out the HTML
 984                                                 var src = mediaWiki.config.get( 'wgLoadScript' ) + '?' + $.param( requests[r] );
 985                                                 html += mediaWiki.html.element( 'script',
 986                                                         { type: 'text/javascript', src: src }, '' );
 987                                         }
 988                                         return html;
 989                                 }
 990                                 // Load asynchronously after documument ready
 991                                 if ( ready ) {
 992                                         setTimeout( function() { $( 'body' ).append( getScriptTag() ); }, 0 );
 993                                 } else {
 994                                         document.write( getScriptTag() );
 995                                 }
 996                         }
 997                 };
 998
 999                 /**
1000                  * Registers a module, letting the system know about it and its
1001                  * dependencies. loader.js files contain calls to this function.
1002                  */
1003                 this.register = function( module, version, dependencies, group ) {
1004                         // Allow multiple registration
1005                         if ( typeof module === 'object' ) {
1006                                 for ( var m = 0; m < module.length; m++ ) {
1007                                         if ( typeof module[m] === 'string' ) {
1008                                                 mediaWiki.loader.register( module[m] );
1009                                         } else if ( typeof module[m] === 'object' ) {
1010                                                 mediaWiki.loader.register.apply( mediaWiki.loader, module[m] );
1011                                         }
1012                                 }
1013                                 return;
1014                         }
1015                         // Validate input
1016                         if ( typeof module !== 'string' ) {
1017                                 throw new Error( 'module must be a string, not a ' + typeof module );
1018                         }
1019                         if ( typeof registry[module] !== 'undefined' ) {
1020                                 throw new Error( 'module already implemeneted: ' + module );
1021                         }
1022                         // List the module as registered
1023                         registry[module] = {
1024                                 'state': 'registered',
1025                                 'group': typeof group === 'string' ? group : null,
1026                                 'dependencies': [],
1027                                 'version': typeof version !== 'undefined' ? parseInt( version, 10 ) : 0
1028                         };
1029                         if ( typeof dependencies === 'string' ) {
1030                                 // Allow dependencies to be given as a single module name
1031                                 registry[module].dependencies = [dependencies];
1032                         } else if ( typeof dependencies === 'object' || $.isFunction( dependencies ) ) {
1033                                 // Allow dependencies to be given as an array of module names
1034                                 // or a function which returns an array
1035                                 registry[module].dependencies = dependencies;
1036                         }
1037                 };
1038
1039                 /**
1040                  * Implements a module, giving the system a course of action to take
1041                  * upon loading. Results of a request for one or more modules contain
1042                  * calls to this function.
1043                  */
1044                 this.implement = function( module, script, style, localization ) {
1045                         // Automatically register module
1046                         if ( typeof registry[module] === 'undefined' ) {
1047                                 mediaWiki.loader.register( module );
1048                         }
1049                         // Validate input
1050                         if ( !$.isFunction( script ) ) {
1051                                 throw new Error( 'script must be a function, not a ' + typeof script );
1052                         }
1053                         if ( typeof style !== 'undefined'
1054                                 && typeof style !== 'string'
1055                                 && typeof style !== 'object' )
1056                         {
1057                                 throw new Error( 'style must be a string or object, not a ' + typeof style );
1058                         }
1059                         if ( typeof localization !== 'undefined'
1060                                 && typeof localization !== 'object' )
1061                         {
1062                                 throw new Error( 'localization must be an object, not a ' + typeof localization );
1063                         }
1064                         if ( typeof registry[module] !== 'undefined'
1065                                 && typeof registry[module].script !== 'undefined' )
1066                         {
1067                                 throw new Error( 'module already implemeneted: ' + module );
1068                         }
1069                         // Mark module as loaded
1070                         registry[module].state = 'loaded';
1071                         // Attach components
1072                         registry[module].script = script;
1073                         if ( typeof style === 'string'
1074                                 || typeof style === 'object' && !( style instanceof Array ) )
1075                         {
1076                                 registry[module].style = style;
1077                         }
1078                         if ( typeof localization === 'object' ) {
1079                                 registry[module].messages = localization;
1080                         }
1081                         // Execute or queue callback
1082                         if ( compare(
1083                                 filter( ['ready'], registry[module].dependencies ),
1084                                 registry[module].dependencies ) )
1085                         {
1086                                 execute( module );
1087                         } else {
1088                                 request( module );
1089                         }
1090                 };
1091
1092                 /**
1093                  * Executes a function as soon as one or more required modules are ready
1094                  *
1095                  * @param dependencies string or array of strings of modules names the callback
1096                  *   dependencies to be ready before
1097                  * executing
1098                  * @param ready function callback to execute when all dependencies are ready (optional)
1099                  * @param error function callback to execute when if dependencies have a errors (optional)
1100                  */
1101                 this.using = function( dependencies, ready, error ) {
1102                         // Validate input
1103                         if ( typeof dependencies !== 'object' && typeof dependencies !== 'string' ) {
1104                                 throw new Error( 'dependencies must be a string or an array, not a ' +
1105                                         typeof dependencies );
1106                         }
1107                         // Allow calling with a single dependency as a string
1108                         if ( typeof dependencies === 'string' ) {
1109                                 dependencies = [dependencies];
1110                         }
1111                         // Resolve entire dependency map
1112                         dependencies = resolve( dependencies );
1113                         // If all dependencies are met, execute ready immediately
1114                         if ( compare( filter( ['ready'], dependencies ), dependencies ) ) {
1115                                 if ( $.isFunction( ready ) ) {
1116                                         ready();
1117                                 }
1118                         }
1119                         // If any dependencies have errors execute error immediately
1120                         else if ( filter( ['error'], dependencies ).length ) {
1121                                 if ( $.isFunction( error ) ) {
1122                                         error();
1123                                 }
1124                         }
1125                         // Since some dependencies are not yet ready, queue up a request
1126                         else {
1127                                 request( dependencies, ready, error );
1128                         }
1129                 };
1130
1131                 /**
1132                  * Loads an external script or one or more modules for future use
1133                  *
1134                  * @param modules mixed either the name of a module, array of modules,
1135                  *   or a URL of an external script or style
1136                  * @param type string mime-type to use if calling with a URL of an
1137                  *   external script or style; acceptable values are "text/css" and
1138                  *   "text/javascript"; if no type is provided, text/javascript is
1139                  *   assumed
1140                  */
1141                 this.load = function( modules, type ) {
1142                         // Validate input
1143                         if ( typeof modules !== 'object' && typeof modules !== 'string' ) {
1144                                 throw new Error( 'modules must be a string or an array, not a ' +
1145                                         typeof modules );
1146                         }
1147                         // Allow calling with an external script or single dependency as a string
1148                         if ( typeof modules === 'string' ) {
1149                                 // Support adding arbitrary external scripts
1150                                 if ( modules.substr( 0, 7 ) == 'http://' || modules.substr( 0, 8 ) == 'https://' ) {
1151                                         if ( type === 'text/css' ) {
1152                                                 $( 'head' ).append( $( '<link />', {
1153                                                         rel: 'stylesheet',
1154                                                         type: 'text/css',
1155                                                         href: modules
1156                                                 } ) );
1157                                                 return true;
1158                                         } else if ( type === 'text/javascript' || typeof type === 'undefined' ) {
1159                                                 var script = mediaWiki.html.element( 'script',
1160                                                         { type: 'text/javascript', src: modules }, '' );
1161                                                 if ( ready ) {
1162                                                         $( 'body' ).append( script );
1163                                                 } else {
1164                                                         document.write( script );
1165                                                 }
1166                                                 return true;
1167                                         }
1168                                         // Unknown type
1169                                         return false;
1170                                 }
1171                                 // Called with single module
1172                                 modules = [modules];
1173                         }
1174                         // Resolve entire dependency map
1175                         modules = resolve( modules );
1176                         // If all modules are ready, nothing dependency be done
1177                         if ( compare( filter( ['ready'], modules ), modules ) ) {
1178                                 return true;
1179                         }
1180                         // If any modules have errors return false
1181                         else if ( filter( ['error'], modules ).length ) {
1182                                 return false;
1183                         }
1184                         // Since some modules are not yet ready, queue up a request
1185                         else {
1186                                 request( modules );
1187                                 return true;
1188                         }
1189                 };
1190
1191                 /**
1192                  * Flushes the request queue and begin executing load requests on demand
1193                  */
1194                 this.go = function() {
1195                         suspended = false;
1196                         mediaWiki.loader.work();
1197                 };
1198
1199                 /**
1200                  * Changes the state of a module
1201                  *
1202                  * @param module string module name or object of module name/state pairs
1203                  * @param state string state name
1204                  */
1205                 this.state = function( module, state ) {
1206                         if ( typeof module === 'object' ) {
1207                                 for ( var m in module ) {
1208                                         mediaWiki.loader.state( m, module[m] );
1209                                 }
1210                                 return;
1211                         }
1212                         if ( !( module in registry ) ) {
1213                                 mediaWiki.loader.register( module );
1214                         }
1215                         registry[module].state = state;
1216                 };
1217
1218                 /**
1219                  * Gets the version of a module
1220                  *
1221                  * @param module string name of module to get version for
1222                  */
1223                 this.version = function( module ) {
1224                         if ( module in registry && 'version' in registry[module] ) {
1225                                 return formatVersionNumber( registry[module].version );
1226                         }
1227                         return null;
1228                 };
1229
1230                 /* Cache document ready status */
1231
1232                 $(document).ready( function() { ready = true; } );
1233         } )();
1234
1235         /** HTML construction helper functions */
1236         this.html = new ( function () {
1237                 var escapeCallback = function( s ) {
1238                         switch ( s ) {
1239                                 case "'":
1240                                         return '&#039;';
1241                                 case '"':
1242                                         return '&quot;';
1243                                 case '<':
1244                                         return '&lt;';
1245                                 case '>':
1246                                         return '&gt;';
1247                                 case '&':
1248                                         return '&amp;';
1249                         }
1250                 }
1251
1252                 /**
1253                  * Escape a string for HTML. Converts special characters to HTML entities.
1254                  * @param s The string to escape
1255                  */
1256                 this.escape = function( s ) {
1257                         return s.replace( /['"<>&]/g, escapeCallback );
1258                 };
1259
1260                 /**
1261                  * Wrapper object for raw HTML passed to mw.html.element().
1262                  */
1263                 this.Raw = function( value ) {
1264                         this.value = value;
1265                 };
1266
1267                 /**
1268                  * Wrapper object for CDATA element contents passed to mw.html.element()
1269                  */
1270                 this.Cdata = function( value ) {
1271                         this.value = value;
1272                 };
1273
1274                 /**
1275                  * Create an HTML element string, with safe escaping.
1276                  *
1277                  * @param name The tag name.
1278                  * @param attrs An object with members mapping element names to values
1279                  * @param contents The contents of the element. May be either:
1280                  *    - string: The string is escaped.
1281                  *    - null or undefined: The short closing form is used, e.g. <br/>.
1282                  *    - this.Raw: The value attribute is included without escaping.
1283                  *    - this.Cdata: The value attribute is included, and an exception is
1284                  *      thrown if it contains an illegal ETAGO delimiter.
1285                  *      See http://www.w3.org/TR/1999/REC-html401-19991224/appendix/notes.html#h-B.3.2
1286                  *
1287                  * Example:
1288                  *    var h = mw.html;
1289                  *    return h.element( 'div', {},
1290                  *        new h.Raw( h.element( 'img', {src: '<'} ) ) );
1291                  * Returns <div><img src="&lt;"/></div>
1292                  */
1293                 this.element = function( name, attrs, contents ) {
1294                         var s = '<' + name;
1295                         for ( var attrName in attrs ) {
1296                                 s += ' ' + attrName + '="' + this.escape( attrs[attrName] ) + '"';
1297                         }
1298                         if ( typeof contents == 'undefined' || contents === null ) {
1299                                 // Self close tag
1300                                 s += '/>';
1301                                 return s;
1302                         }
1303                         // Regular open tag
1304                         s += '>';
1305                         if ( typeof contents === 'string') {
1306                                 // Escaped
1307                                 s += this.escape( contents );
1308                         } else if ( contents instanceof this.Raw ) {
1309                                 // Raw HTML inclusion
1310                                 s += contents.value;
1311                         } else if ( contents instanceof this.Cdata ) {
1312                                 // CDATA
1313                                 if ( /<\/[a-zA-z]/.test( contents.value ) ) {
1314                                         throw new Error( 'mw.html.element: Illegal end tag found in CDATA' );
1315                                 }
1316                                 s += contents.value;
1317                         } else {
1318                                 throw new Error( 'mw.html.element: Invalid type of contents' );
1319                         }
1320                         s += '</' + name + '>';
1321                         return s;
1322                 };
1323         } )();
1324
1325
1326         /* Extension points */
1327
1328         this.legacy = {};
1329
1330 } )( jQuery );
1331
1332 // Alias $j to jQuery for backwards compatibility
1333 window.$j = jQuery;
1334 window.mw = mediaWiki;
1335
1336 /* Auto-register from pre-loaded startup scripts */
1337
1338 if ( $.isFunction( startUp ) ) {
1339         startUp();
1340         delete startUp;
1341 }
1342
1343 // Add jQuery Cookie to initial payload (used in mediaWiki.user)
1344 mw.loader.load( 'jquery.cookie' );