-/*
- * JavaScript backwards-compatibility alternatives and other convenience functions
- */
-
-jQuery.extend({
- trimLeft : function( str ) {
- return str == null ? '' : str.toString().replace( /^\s+/, '' );
- },
- trimRight : function( str ) {
- return str == null ?
- '' : str.toString().replace( /\s+$/, '' );
- },
- ucFirst : function( str ) {
- return str.substr( 0, 1 ).toUpperCase() + str.substr( 1, str.length );
- },
- escapeRE : function( str ) {
- return str.replace ( /([\\{}()|.?*+-\^$\[\]])/g, "\\$1" );
- },
- // $.isDomElement( document.getElementById('content') ) === true
- // $.isDomElement( document.getElementsByClassName('portal') ) === false (array)
- // $.isDomElement( document.getElementsByClassName('portal')[0] ) === true
- // $.isDomElement( $('#content') ) === false (jQuery object)
- // $.isDomElement( $('#content').get(0) ) === true
- // $.isDomElement( 'hello world' ) === false
- isDomElement : function( el ) {
- return !!el.nodeType;
- },
- isEmpty : function( v ) {
- var key;
- if ( v === "" || v === 0 || v === "0" || v === null
- || v === false || typeof v === 'undefined' )
- {
- return true;
- }
- // the for-loop could potentially contain prototypes
- // to avoid that we check it's length first
- if ( v.length === 0 ) {
- return true;
- }
- if ( typeof v === 'object' ) {
- for ( key in v ) {
- return false;
- }
- return true;
- }
- return false;
- },
- compareArray : function( arrThis, arrAgainst ) {
- if ( arrThis.length != arrAgainst.length ) {
- return false;
- }
- for ( var i = 0; i < arrThis.length; i++ ) {
- if ( arrThis[i] instanceof Array ) {
- if ( !$.compareArray( arrThis[i], arrAgainst[i] ) ) {
- return false;
- }
- } else if ( arrThis[i] !== arrAgainst[i] ) {
- return false;
- }
- }
- return true;
- },
- compareObject : function( objectA, objectB ) {
-
- // Do a simple check if the types match
- if ( typeof( objectA ) == typeof( objectB ) ) {
-
- // Only loop over the contents if it really is an object
- if ( typeof( objectA ) == 'object' ) {
- // If they are aliases of the same object (ie. mw and mediaWiki) return now
- if ( objectA === objectB ) {
- return true;
- } else {
- // Iterate over each property
- for ( var prop in objectA ) {
- // Check if this property is also present in the other object
- if ( prop in objectB ) {
- // Compare the types of the properties
- var type = typeof( objectA[prop] );
- if ( type == typeof( objectB[prop] ) ) {
- // Recursively check objects inside this one
- switch ( type ) {
- case 'object' :
- if ( !$.compareObject( objectA[prop], objectB[prop] ) ) {
- return false;
- }
- break;
- case 'function' :
- // Functions need to be strings to compare them properly
- if ( objectA[prop].toString() !== objectB[prop].toString() ) {
- return false;
- }
- break;
- default:
- // Strings, numbers
- if ( objectA[prop] !== objectB[prop] ) {
- return false;
- }
- break;
- }
- } else {
- return false;
- }
- } else {
- return false;
- }
- }
- // Check for properties in B but not in A
- // This is about 15% faster (tested in Safari 5 and Firefox 3.6)
- // ...than incrementing a count variable in the above and below loops
- // See also: http://www.mediawiki.org/wiki/ResourceLoader/Default_modules/compareObject_test#Results
- for ( var prop in objectB ) {
- if ( !( prop in objectA ) ) {
- return false;
- }
- }
- }
- }
- } else {
- return false;
- }
- return true;
- }
-});
-
/*
* Core MediaWiki JavaScript Library
*/
-// Attach to window
-window.mediaWiki = new ( function( $ ) {
-
- /* Constants */
-
- // This will not change until we are 100% ready to turn off legacy globals
- var LEGACY_GLOBALS = true;
+// Attach to window and globally alias
+window.mw = window.mediaWiki = new ( function( $ ) {
/* Private Members */
- // List of messages that have been requested to be loaded
+ /**
+ * @var object List of messages that have been requested to be loaded.
+ */
var messageQueue = {};
- /* Prototypes */
+ /* Object constructors */
/**
- * An object which allows single and multiple get/set/exists functionality
- * on a list of key / value pairs.
+ * Map
*
- * @param {boolean} global Whether to get/set/exists values on the window
- * object or a private object
+ * Creates an object that can be read from or written to from prototype functions
+ * that allow both single and multiple variables at once.
+ *
+ * @param global boolean Whether to store the values in the global window
+ * object or a exclusively in the object property 'values'.
+ * @return Map
*/
function Map( global ) {
this.values = ( global === true ) ? window : {};
+ return this;
}
- /**
- * Gets the value of a key, or a list of key/value pairs for an array of keys.
- *
- * If called with no arguments, all values will be returned.
- *
- * @param selection mixed Key or array of keys to get values for
- * @param fallback mixed Value to use in case key(s) do not exist (optional)
- */
- Map.prototype.get = function( selection, fallback ) {
- if ( typeof selection === 'object' ) {
- selection = $.makeArray( selection );
- var results = {};
- for ( var i = 0; i < selection.length; i++ ) {
- results[selection[i]] = this.get( selection[i], fallback );
- }
- return results;
- } else if ( typeof selection === 'string' ) {
- if ( typeof this.values[selection] === 'undefined' ) {
- if ( typeof fallback !== 'undefined' ) {
- return fallback;
+ Map.prototype = {
+ /**
+ * Get the value of one or multiple a keys.
+ *
+ * If called with no arguments, all values will be returned.
+ *
+ * @param selection mixed String key or array of keys to get values for.
+ * @param fallback mixed Value to use in case key(s) do not exist (optional).
+ * @return mixed If selection was a string returns the value or null,
+ * If selection was an array, returns an object of key/values (value is null if not found),
+ * If selection was not passed or invalid, will return the 'values' object member (be careful as
+ * objects are always passed by reference in JavaScript!).
+ * @return Values as a string or object, null if invalid/inexistant.
+ */
+ get: function( selection, fallback ) {
+ if ( $.isArray( selection ) ) {
+ selection = $.makeArray( selection );
+ var results = {};
+ for ( var i = 0; i < selection.length; i++ ) {
+ results[selection[i]] = this.get( selection[i], fallback );
}
- return null;
+ return results;
+ } else if ( typeof selection === 'string' ) {
+ if ( this.values[selection] === undefined ) {
+ if ( fallback !== undefined ) {
+ return fallback;
+ }
+ return null;
+ }
+ return this.values[selection];
}
- return this.values[selection];
- }
- return this.values;
- };
+ if ( selection === undefined ) {
+ return this.values;
+ } else {
+ return null; // invalid selection key
+ }
+ },
- /**
- * Sets one or multiple key/value pairs.
- *
- * @param selection mixed Key or object of key/value pairs to set
- * @param value mixed Value to set (optional, only in use when key is a string)
- */
- Map.prototype.set = function( selection, value ) {
- if ( typeof selection === 'object' ) {
- for ( var s in selection ) {
- this.values[s] = selection[s];
+ /**
+ * Sets one or multiple key/value pairs.
+ *
+ * @param selection mixed String key or array of keys to set values for.
+ * @param value mixed Value to set (optional, only in use when key is a string)
+ * @return bool This returns true on success, false on failure.
+ */
+ set: function( selection, value ) {
+ if ( $.isPlainObject( selection ) ) {
+ for ( var s in selection ) {
+ this.values[s] = selection[s];
+ }
+ return true;
+ } else if ( typeof selection === 'string' && value !== undefined ) {
+ this.values[selection] = value;
+ return true;
}
- } else if ( typeof selection === 'string' && typeof value !== 'undefined' ) {
- this.values[selection] = value;
- }
- };
+ return false;
+ },
- /**
- * Checks if one or multiple keys exist.
- *
- * @param selection mixed Key or array of keys to check
- * @return boolean Existence of key(s)
- */
- Map.prototype.exists = function( selection ) {
- if ( typeof selection === 'object' ) {
- for ( var s = 0; s < selection.length; s++ ) {
- if ( !( selection[s] in this.values ) ) {
- return false;
+ /**
+ * Checks if one or multiple keys exist.
+ *
+ * @param selection mixed String key or array of keys to check
+ * @return boolean Existence of key(s)
+ */
+ exists: function( selection ) {
+ if ( typeof selection === 'object' ) {
+ for ( var s = 0; s < selection.length; s++ ) {
+ if ( !( selection[s] in this.values ) ) {
+ return false;
+ }
}
+ return true;
+ } else {
+ return selection in this.values;
}
- return true;
- } else {
- return selection in this.values;
}
};
/**
- * Message object, similar to Message in PHP
+ * Message
+ *
+ * Object constructor for messages,
+ * similar to the Message class in MediaWiki PHP.
+ *
+ * @param map Map Instance of mw.Map
+ * @param key String
+ * @param parameters Array
+ * @return Message
*/
function Message( map, key, parameters ) {
this.format = 'parse';
this.map = map;
this.key = key;
- this.parameters = typeof parameters === 'undefined' ? [] : $.makeArray( parameters );
- }
-
- /**
- * Appends parameters for replacement
- *
- * @param parameters mixed First in a list of variadic arguments to append as message parameters
- */
- Message.prototype.params = function( parameters ) {
- for ( var i = 0; i < parameters.length; i++ ) {
- this.parameters[this.parameters.length] = parameters[i];
- }
+ this.parameters = parameters === undefined ? [] : $.makeArray( parameters );
return this;
- };
-
- /**
- * Converts message object to it's string form based on the state of format
- *
- * @return {string} String form of message
- */
- Message.prototype.toString = function() {
- if ( !this.map.exists( this.key ) ) {
- // Return <key> if key does not exist
- return '<' + this.key + '>';
- }
- var text = this.map.get( this.key );
- var parameters = this.parameters;
- text = text.replace( /\$(\d+)/g, function( string, match ) {
- var index = parseInt( match, 10 ) - 1;
- return index in parameters ? parameters[index] : '$' + match;
- } );
- /* This should be fixed up when we have a parser
- if ( this.format === 'parse' && 'language' in mediaWiki ) {
- text = mediaWiki.language.parse( text );
- }
- */
- return text;
- };
-
- /**
- * Changes format to parse and converts message to string
- *
- * @return {string} String form of parsed message
- */
- Message.prototype.parse = function() {
- this.format = 'parse';
- return this.toString();
- };
-
- /**
- * Changes format to plain and converts message to string
- *
- * @return {string} String form of plain message
- */
- Message.prototype.plain = function() {
- this.format = 'plain';
- return this.toString();
- };
-
- /**
- * Checks if message exists
- *
- * @return {string} String form of parsed message
- */
- Message.prototype.exists = function() {
- return this.map.exists( this.key );
- };
-
- /**
- * User object
- */
- function User() {
-
- /* Private Members */
+ }
- var that = this;
+ Message.prototype = {
+ /**
+ * Appends (does not replace) parameters for replacement to the .parameters property.
+ *
+ * @param parameters Array
+ * @return Message
+ */
+ params: function( parameters ) {
+ for ( var i = 0; i < parameters.length; i++ ) {
+ this.parameters.push( parameters[i] );
+ }
+ return this;
+ },
- /* Public Members */
+ /**
+ * Converts message object to it's string form based on the state of format.
+ *
+ * @return string Message as a string in the current form or <key> if key does not exist.
+ */
+ toString: function() {
+ if ( !this.map.exists( this.key ) ) {
+ // Return <key> if key does not exist
+ return '<' + this.key + '>';
+ }
+ var text = this.map.get( this.key ),
+ parameters = this.parameters;
- this.options = new Map();
+ text = text.replace( /\$(\d+)/g, function( string, match ) {
+ var index = parseInt( match, 10 ) - 1;
+ return index in parameters ? parameters[index] : '$' + match;
+ } );
- /* Public Methods */
+ if ( this.format === 'plain' ) {
+ return text;
+ }
+ if ( this.format === 'escaped' ) {
+ // According to Message.php this needs {{-transformation, which is
+ // still todo
+ return mw.html.escape( text );
+ }
- /**
- * Generates a random user session ID (32 alpha-numeric characters).
- *
- * This information would potentially be stored in a cookie to identify a user during a
- * session or series of sessions. It's uniqueness should not be depended on.
- *
- * @return string random set of 32 alpha-numeric characters
- */
- function generateId() {
- var id = '';
- var seed = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
- for ( var i = 0, r; i < 32; i++ ) {
- r = Math.floor( Math.random() * seed.length );
- id += seed.substring( r, r + 1 );
- }
- return id;
- }
+ /* This should be fixed up when we have a parser
+ if ( this.format === 'parse' && 'language' in mw ) {
+ text = mw.language.parse( text );
+ }
+ */
+ return text;
+ },
/**
- * Gets the current user's name.
- *
- * @return mixed user name string or null if users is anonymous
+ * Changes format to parse and converts message to string
+ *
+ * @return {string} String form of parsed message
*/
- this.name = function() {
- return mediaWiki.config.get( 'wgUserName' );
- };
+ parse: function() {
+ this.format = 'parse';
+ return this.toString();
+ },
/**
- * Checks if the current user is anonymous.
- *
- * @return boolean
+ * Changes format to plain and converts message to string
+ *
+ * @return {string} String form of plain message
*/
- this.anonymous = function() {
- return that.name() ? false : true;
- };
+ plain: function() {
+ this.format = 'plain';
+ return this.toString();
+ },
/**
- * Gets a random session ID automatically generated and kept in a cookie.
- *
- * This ID is ephemeral for everyone, staying in their browser only until they close
- * their browser.
- *
- * Do not use this method before the first call to mw.loader.go(), it depends on
- * jquery.cookie, which is added to the first pay-load just after mediaWiki is defined, but
- * won't be loaded until the first call to go().
- *
- * @return string user name or random session ID
+ * Changes the format to html escaped and converts message to string
+ *
+ * @return {string} String form of html escaped message
*/
- this.sessionId = function () {
- var sessionId = $.cookie( 'mediaWiki.user.sessionId' );
- if ( typeof sessionId == 'undefined' || sessionId == null ) {
- sessionId = generateId();
- $.cookie( 'mediaWiki.user.sessionId', sessionId, { 'expires': null, 'path': '/' } );
- }
- return sessionId;
- };
+ escaped: function() {
+ this.format = 'escaped';
+ return this.toString();
+ },
/**
- * Gets the current user's name or a random ID automatically generated and kept in a cookie.
- *
- * This ID is persistent for anonymous users, staying in their browser up to 1 year. The
- * expiration time is reset each time the ID is queried, so in most cases this ID will
- * persist until the browser's cookies are cleared or the user doesn't visit for 1 year.
- *
- * Do not use this method before the first call to mw.loader.go(), it depends on
- * jquery.cookie, which is added to the first pay-load just after mediaWiki is defined, but
- * won't be loaded until the first call to go().
- *
- * @return string user name or random session ID
+ * Checks if message exists
+ *
+ * @return {string} String form of parsed message
*/
- this.id = function() {
- var name = that.name();
- if ( name ) {
- return name;
- }
- var id = $.cookie( 'mediaWiki.user.id' );
- if ( typeof id == 'undefined' || id == null ) {
- id = generateId();
- }
- // Set cookie if not set, or renew it if already set
- $.cookie( 'mediaWiki.user.id', id, { 'expires': 365, 'path': '/' } );
- return id;
- };
- }
+ exists: function() {
+ return this.map.exists( this.key );
+ }
+ };
/* Public Members */
/*
* Dummy function which in debug mode can be replaced with a function that
- * does something clever
+ * emulates console.log in console-less environments.
*/
this.log = function() { };
- /*
- * Make the Map-class publicly available
+ /**
+ * @var constructor Make the Map constructor publicly available.
*/
this.Map = Map;
- /*
+ /**
* List of configuration values
*
- * In legacy mode the values this object wraps will be in the global space
+ * Dummy placeholder. Initiated in startUp module as a new instance of mw.Map().
+ * If $wgLegacyJavaScriptGlobals is true, this Map will have its values
+ * in the global window object.
*/
- this.config = new this.Map( LEGACY_GLOBALS );
+ this.config = null;
- /*
- * Information about the current user
+ /**
+ * @var object
+ *
+ * Empty object that plugins can be installed in.
*/
- this.user = new User();
+ this.libs = {};
/*
* Localization system
* Gets a message object, similar to wfMessage()
*
* @param key string Key of message to get
- * @param parameters mixed First argument in a list of variadic arguments, each a parameter for $
- * replacement
+ * @param parameter_1 mixed First argument in a list of variadic arguments,
+ * each a parameter for $N replacement in messages.
+ * @return Message
*/
- this.message = function( key, parameters ) {
+ this.message = function( key, parameter_1 /* [, parameter_2] */ ) {
+ var parameters;
// Support variadic arguments
- if ( typeof parameters !== 'undefined' ) {
+ if ( parameter_1 !== undefined ) {
parameters = $.makeArray( arguments );
parameters.shift();
} else {
parameters = [];
}
- return new Message( mediaWiki.messages, key, parameters );
+ return new Message( mw.messages, key, parameters );
};
/**
* Gets a message string, similar to wfMsg()
*
* @param key string Key of message to get
- * @param parameters mixed First argument in a list of variadic arguments, each a parameter for $
- * replacement
+ * @param parameters mixed First argument in a list of variadic arguments,
+ * each a parameter for $N replacement in messages.
+ * @return String.
*/
this.msg = function( key, parameters ) {
- return mediaWiki.message.apply( mediaWiki.message, arguments ).toString();
+ return mw.message.apply( mw.message, arguments ).toString();
};
/**
* mediawiki.
*
* Format:
- * {
- * 'moduleName': {
- * 'dependencies': ['required module', 'required module', ...], (or) function() {}
- * 'state': 'registered', 'loading', 'loaded', 'ready', or 'error'
- * 'script': function() {},
- * 'style': 'css code string',
- * 'messages': { 'key': 'value' },
- * 'version': ############## (unix timestamp)
- * }
- * }
+ * {
+ * 'moduleName': {
+ * 'dependencies': ['required module', 'required module', ...], (or) function() {}
+ * 'state': 'registered', 'loading', 'loaded', 'ready', or 'error'
+ * 'script': function() {},
+ * 'style': 'css code string',
+ * 'messages': { 'key': 'value' },
+ * 'version': ############## (unix timestamp)
+ * }
*/
- var registry = {};
- // List of modules which will be loaded as when ready
- var batch = [];
- // List of modules to be loaded
- var queue = [];
- // List of callback functions waiting for modules to be ready to be called
- var jobs = [];
- // Flag indicating that requests should be suspended
- var suspended = true;
- // Flag inidicating that document ready has occured
- var ready = false;
- // Marker element for adding dynamic styles
- var $marker = $( 'head meta[name=ResourceLoaderDynamicStyles]' );
+ var registry = {},
+ // List of modules which will be loaded as when ready
+ batch = [],
+ // List of modules to be loaded
+ queue = [],
+ // List of callback functions waiting for modules to be ready to be called
+ jobs = [],
+ // Flag inidicating that document ready has occured
+ ready = false,
+ // Selector cache for the marker element. Use getMarker() to get/use the marker!
+ $marker = null;
/* Private Methods */
+ function getMarker(){
+ // Cached ?
+ if ( $marker ) {
+ return $marker;
+ } else {
+ $marker = $( 'meta[name="ResourceLoaderDynamicStyles"]' );
+ if ( $marker.length ) {
+ return $marker;
+ }
+ mw.log( 'getMarker> No <meta name="ResourceLoaderDynamicStyles"> found, inserting dynamically.' );
+ $marker = $( '<meta>' ).attr( 'name', 'ResourceLoaderDynamicStyles' ).appendTo( 'head' );
+ return $marker;
+ }
+ }
+
function compare( a, b ) {
- if ( a.length != b.length ) {
+ if ( a.length !== b.length ) {
return false;
}
for ( var i = 0; i < b.length; i++ ) {
* Generates an ISO8601 "basic" string from a UNIX timestamp
*/
function formatVersionNumber( timestamp ) {
- function pad( a, b, c ) {
- return [a < 10 ? '0' + a : a, b < 10 ? '0' + b : b, c < 10 ? '0' + c : c].join( '' );
- }
- var d = new Date();
+ var pad = function( a, b, c ) {
+ return [a < 10 ? '0' + a : a, b < 10 ? '0' + b : b, c < 10 ? '0' + c : c].join( '' );
+ },
+ d = new Date();
d.setTime( timestamp * 1000 );
return [
pad( d.getUTCFullYear(), d.getUTCMonth() + 1, d.getUTCDate() ), 'T',
* Recursively resolves dependencies and detects circular references
*/
function recurse( module, resolved, unresolved ) {
- if ( typeof registry[module] === 'undefined' ) {
+ if ( registry[module] === undefined ) {
throw new Error( 'Unknown dependency: ' + module );
}
// Resolves dynamic loader function and replaces it with its own results
- if ( typeof registry[module].dependencies === 'function' ) {
+ if ( $.isFunction( registry[module].dependencies ) ) {
registry[module].dependencies = registry[module].dependencies();
// Ensures the module's dependencies are always in an array
if ( typeof registry[module].dependencies !== 'object' ) {
* @return list of dependencies
* @throws Error if circular reference is detected
*/
- function resolve( module, resolved, unresolved ) {
+ function resolve( module ) {
// Allow calling with an array of module names
if ( typeof module === 'object' ) {
var modules = [];
*
* @param states string or array of strings of module states to filter by
* @param modules array list of module names to filter (optional, all modules
- * will be used by default)
+ * will be used by default)
* @return array list of filtered module names
*/
function filter( states, modules ) {
states = [states];
}
// If called without a list of modules, build and use a list of all modules
- var list = [];
- if ( typeof modules === 'undefined' ) {
+ var list = [], module;
+ if ( modules === undefined ) {
modules = [];
for ( module in registry ) {
modules[modules.length] = module;
// Build a list of modules which are in one of the specified states
for ( var s = 0; s < states.length; s++ ) {
for ( var m = 0; m < modules.length; m++ ) {
- if ( typeof registry[modules[m]] === 'undefined' ) {
+ if ( registry[modules[m]] === undefined ) {
// Module does not exist
- if ( states[s] == 'undefined' ) {
+ if ( states[s] === 'undefined' ) {
// OK, undefined
list[list.length] = modules[m];
}
*
* @param module string module name to execute
*/
- function execute( module ) {
- if ( typeof registry[module] === 'undefined' ) {
+ function execute( module, callback ) {
+ if ( registry[module] === undefined ) {
throw new Error( 'Module has not been registered yet: ' + module );
} else if ( registry[module].state === 'registered' ) {
throw new Error( 'Module has not been requested from the server yet: ' + module );
} else if ( registry[module].state === 'ready' ) {
throw new Error( 'Module has already been loaded: ' + module );
}
- // Add style sheet to document
- if ( typeof registry[module].style === 'string' && registry[module].style.length ) {
- $marker.before( mediaWiki.html.element( 'style',
- { type: 'text/css' },
- new mediaWiki.html.Cdata( registry[module].style )
- ) );
- } else if ( typeof registry[module].style === 'object'
- && !( registry[module].style instanceof Array ) )
- {
+ // Add styles
+ var style;
+ if ( $.isPlainObject( registry[module].style ) ) {
for ( var media in registry[module].style ) {
- $marker.before( mediaWiki.html.element( 'style',
- { type: 'text/css', media: media },
- new mediaWiki.html.Cdata( registry[module].style[media] )
- ) );
+ style = registry[module].style[media];
+ if ( $.isArray( style ) ) {
+ for ( var i = 0; i < style.length; i++ ) {
+ getMarker().before( mw.html.element( 'link', {
+ 'type': 'text/css',
+ 'rel': 'stylesheet',
+ 'href': style[i]
+ } ) );
+ }
+ } else if ( typeof style === 'string' ) {
+ getMarker().before( mw.html.element( 'style', {
+ 'type': 'text/css',
+ 'media': media
+ }, new mw.html.Cdata( style ) ) );
+ }
}
}
// Add localizations to message system
- if ( typeof registry[module].messages === 'object' ) {
- mediaWiki.messages.set( registry[module].messages );
+ if ( $.isPlainObject( registry[module].messages ) ) {
+ mw.messages.set( registry[module].messages );
}
// Execute script
try {
- registry[module].script( jQuery );
- registry[module].state = 'ready';
+ var script = registry[module].script,
+ markModuleReady = function() {
+ registry[module].state = 'ready';
+ handlePending( module );
+ if ( $.isFunction( callback ) ) {
+ callback();
+ }
+ };
+
+ if ( $.isArray( script ) ) {
+ var done = 0;
+ if ( script.length === 0 ) {
+ // No scripts in this module? Let's dive out early.
+ markModuleReady();
+ }
+ for ( var i = 0; i < script.length; i++ ) {
+ registry[module].state = 'loading';
+ addScript( script[i], function() {
+ if ( ++done === script.length ) {
+ markModuleReady();
+ }
+ } );
+ }
+ } else if ( $.isFunction( script ) ) {
+ script( jQuery );
+ markModuleReady();
+ }
+ } catch ( e ) {
+ // This needs to NOT use mw.log because these errors are common in production mode
+ // and not in debug mode, such as when a symbol that should be global isn't exported
+ if ( window.console && typeof window.console.log === 'function' ) {
+ console.log( 'mw.loader::execute> Exception thrown by ' + module + ': ' + e.message );
+ }
+ registry[module].state = 'error';
+ throw e;
+ }
+ }
+
+ /**
+ * Automatically executes jobs and modules which are pending with satistifed dependencies.
+ *
+ * This is used when dependencies are satisfied, such as when a module is executed.
+ */
+ function handlePending( module ) {
+ try {
// Run jobs who's dependencies have just been met
for ( var j = 0; j < jobs.length; j++ ) {
if ( compare(
filter( 'ready', jobs[j].dependencies ),
jobs[j].dependencies ) )
{
- if ( typeof jobs[j].ready === 'function' ) {
+ if ( $.isFunction( jobs[j].ready ) ) {
jobs[j].ready();
}
jobs.splice( j, 1 );
}
}
// Execute modules who's dependencies have just been met
- for ( r in registry ) {
- if ( registry[r].state == 'loaded' ) {
+ for ( var r in registry ) {
+ if ( registry[r].state === 'loaded' ) {
if ( compare(
filter( ['ready'], registry[r].dependencies ),
registry[r].dependencies ) )
}
}
} catch ( e ) {
- mediaWiki.log( 'Exception thrown by ' + module + ': ' + e.message );
- mediaWiki.log( e );
- registry[module].state = 'error';
// Run error callbacks of jobs affected by this condition
for ( var j = 0; j < jobs.length; j++ ) {
if ( $.inArray( module, jobs[j].dependencies ) !== -1 ) {
- if ( typeof jobs[j].error === 'function' ) {
+ if ( $.isFunction( jobs[j].error ) ) {
jobs[j].error();
}
jobs.splice( j, 1 );
dependencies = [dependencies];
if ( dependencies[0] in registry ) {
for ( var n = 0; n < registry[dependencies[0]].dependencies.length; n++ ) {
- dependencies[dependencies.length] =
- registry[dependencies[0]].dependencies[n];
+ dependencies[dependencies.length] = registry[dependencies[0]].dependencies[n];
}
}
}
jobs[jobs.length] = {
'dependencies': filter(
['undefined', 'registered', 'loading', 'loaded'],
- dependencies ),
+ dependencies
+ ),
'ready': ready,
'error': error
};
}
}
// Work the queue
- mediaWiki.loader.work();
+ mw.loader.work();
}
function sortQuery(o) {
return sorted;
}
+ /**
+ * Converts a module map of the form { foo: [ 'bar', 'baz' ], bar: [ 'baz, 'quux' ] }
+ * to a query string of the form foo.bar,baz|bar.baz,quux
+ */
+ function buildModulesString( moduleMap ) {
+ var arr = [], p;
+ for ( var prefix in moduleMap ) {
+ p = prefix === '' ? '' : prefix + '.';
+ arr.push( p + moduleMap[prefix].join( ',' ) );
+ }
+ return arr.join( '|' );
+ }
+
+ /**
+ * Adds a script tag to the body, either using document.write or low-level DOM manipulation,
+ * depending on whether document-ready has occured yet.
+ *
+ * @param src String: URL to script, will be used as the src attribute in the script tag
+ * @param callback Function: Optional callback which will be run when the script is done
+ */
+ function addScript( src, callback ) {
+ var done = false, script;
+ if ( ready ) {
+ // jQuery's getScript method is NOT better than doing this the old-fassioned way
+ // because jQuery will eval the script's code, and errors will not have sane
+ // line numbers.
+ script = document.createElement( 'script' );
+ script.setAttribute( 'src', src );
+ script.setAttribute( 'type', 'text/javascript' );
+ if ( $.isFunction( callback ) ) {
+ // Attach handlers for all browsers -- this is based on jQuery.getScript
+ script.onload = script.onreadystatechange = function() {
+ if (
+ !done
+ && (
+ !this.readyState
+ || this.readyState === 'loaded'
+ || this.readyState === 'complete'
+ )
+ ) {
+ done = true;
+ callback();
+ // Handle memory leak in IE
+ script.onload = script.onreadystatechange = null;
+ if ( script.parentNode ) {
+ script.parentNode.removeChild( script );
+ }
+ }
+ };
+ }
+ document.body.appendChild( script );
+ } else {
+ document.write( mw.html.element(
+ 'script', { 'type': 'text/javascript', 'src': src }, ''
+ ) );
+ if ( $.isFunction( callback ) ) {
+ // Document.write is synchronous, so this is called when it's done
+ callback();
+ }
+ }
+ }
+
/* Public Methods */
/**
* Requests dependencies from server, loading and executing when things when ready.
*/
this.work = function() {
+ // Build a list of request parameters
+ var base = {
+ 'skin': mw.config.get( 'skin' ),
+ 'lang': mw.config.get( 'wgUserLanguage' ),
+ 'debug': mw.config.get( 'debug' )
+ },
+ // Extend request parameters with a list of modules in the batch
+ requests = [],
+ // Split into groups
+ groups = {};
+
// Appends a list of modules to the batch
for ( var q = 0; q < queue.length; q++ ) {
// Only request modules which are undefined or registered
- if ( !( queue[q] in registry ) || registry[queue[q]].state == 'registered' ) {
+ if ( !( queue[q] in registry ) || registry[queue[q]].state === 'registered' ) {
// Prevent duplicate entries
if ( $.inArray( queue[q], batch ) === -1 ) {
batch[batch.length] = queue[q];
}
}
}
+ // Early exit if there's nothing to load
+ if ( !batch.length ) {
+ return;
+ }
// Clean up the queue
queue = [];
- // After document ready, handle the batch
- if ( !suspended && batch.length ) {
- // Always order modules alphabetically to help reduce cache
- // misses for otherwise identical content
- batch.sort();
- // Build a list of request parameters
- var base = {
- 'skin': mediaWiki.config.get( 'skin' ),
- 'lang': mediaWiki.config.get( 'wgUserLanguage' ),
- 'debug': mediaWiki.config.get( 'debug' )
- };
- // Extend request parameters with a list of modules in the batch
- var requests = [];
- // Split into groups
- var groups = {};
- for ( var b = 0; b < batch.length; b++ ) {
- var group = registry[batch[b]].group;
- if ( !( group in groups ) ) {
- groups[group] = [];
- }
- groups[group][groups[group].length] = batch[b];
+ // Always order modules alphabetically to help reduce cache
+ // misses for otherwise identical content
+ batch.sort();
+ for ( var b = 0; b < batch.length; b++ ) {
+ var bGroup = registry[batch[b]].group;
+ if ( !( bGroup in groups ) ) {
+ groups[bGroup] = [];
}
- for ( var group in groups ) {
- // Calculate the highest timestamp
- var version = 0;
- for ( var g = 0; g < groups[group].length; g++ ) {
- if ( registry[groups[group][g]].version > version ) {
- version = registry[groups[group][g]].version;
- }
+ groups[bGroup][groups[bGroup].length] = batch[b];
+ }
+ for ( var group in groups ) {
+ // Calculate the highest timestamp
+ var version = 0;
+ for ( var g = 0; g < groups[group].length; g++ ) {
+ if ( registry[groups[group][g]].version > version ) {
+ version = registry[groups[group][g]].version;
}
- requests[requests.length] = $.extend(
- { 'modules': groups[group].join( '|' ), 'version': formatVersionNumber( version ) }, base
- );
}
- // Clear the batch - this MUST happen before we append the
- // script element to the body or it's possible that the script
- // will be locally cached, instantly load, and work the batch
- // again, all before we've cleared it causing each request to
- // include modules which are already loaded
- batch = [];
- // Asynchronously append a script tag to the end of the body
- function request() {
- var html = '';
- for ( var r = 0; r < requests.length; r++ ) {
- requests[r] = sortQuery( requests[r] );
- // Build out the HTML
- var src = mediaWiki.config.get( 'wgLoadScript' ) + '?' + $.param( requests[r] );
- html += mediaWiki.html.element( 'script',
- { type: 'text/javascript', src: src }, '' );
+
+ var reqBase = $.extend( { 'version': formatVersionNumber( version ) }, base ),
+ reqBaseLength = $.param( reqBase ).length,
+ reqs = [],
+ limit = mw.config.get( 'wgResourceLoaderMaxQueryLength', -1 ),
+ // We may need to split up the request to honor the query string length limit,
+ // so build it piece by piece.
+ l = reqBaseLength + 9, // '&modules='.length == 9
+ r = 0;
+
+ reqs[0] = {}; // { prefix: [ suffixes ] }
+
+ for ( var i = 0; i < groups[group].length; i++ ) {
+ // Determine how many bytes this module would add to the query string
+ var lastDotIndex = groups[group][i].lastIndexOf( '.' ),
+ // Note that these substr() calls work even if lastDotIndex == -1
+ prefix = groups[group][i].substr( 0, lastDotIndex ),
+ suffix = groups[group][i].substr( lastDotIndex + 1 ),
+ bytesAdded = prefix in reqs[r]
+ ? suffix.length + 3 // '%2C'.length == 3
+ : groups[group][i].length + 3; // '%7C'.length == 3
+
+ // If the request would become too long, create a new one,
+ // but don't create empty requests
+ if ( limit > 0 && !$.isEmptyObject( reqs[r] ) && l + bytesAdded > limit ) {
+ // This request would become too long, create a new one
+ r++;
+ reqs[r] = {};
+ l = reqBaseLength + 9;
+ }
+ if ( !( prefix in reqs[r] ) ) {
+ reqs[r][prefix] = [];
}
- return html;
+ reqs[r][prefix].push( suffix );
+ l += bytesAdded;
}
- // Load asynchronously after documument ready
- if ( ready ) {
- setTimeout( function() { $( 'body' ).append( request() ); }, 0 )
- } else {
- document.write( request() );
+ for ( var r = 0; r < reqs.length; r++ ) {
+ requests[requests.length] = $.extend(
+ { 'modules': buildModulesString( reqs[r] ) }, reqBase
+ );
}
}
+ // Clear the batch - this MUST happen before we append the
+ // script element to the body or it's possible that the script
+ // will be locally cached, instantly load, and work the batch
+ // again, all before we've cleared it causing each request to
+ // include modules which are already loaded
+ batch = [];
+ // Asynchronously append a script tag to the end of the body
+ for ( var r = 0; r < requests.length; r++ ) {
+ requests[r] = sortQuery( requests[r] );
+ // Append &* to avoid triggering the IE6 extension check
+ var src = mw.config.get( 'wgLoadScript' ) + '?' + $.param( requests[r] ) + '&*';
+ addScript( src );
+ }
};
/**
if ( typeof module === 'object' ) {
for ( var m = 0; m < module.length; m++ ) {
if ( typeof module[m] === 'string' ) {
- mediaWiki.loader.register( module[m] );
+ mw.loader.register( module[m] );
} else if ( typeof module[m] === 'object' ) {
- mediaWiki.loader.register.apply( mediaWiki.loader, module[m] );
+ mw.loader.register.apply( mw.loader, module[m] );
}
}
return;
if ( typeof module !== 'string' ) {
throw new Error( 'module must be a string, not a ' + typeof module );
}
- if ( typeof registry[module] !== 'undefined' ) {
- throw new Error( 'module already implemeneted: ' + module );
+ if ( registry[module] !== undefined ) {
+ throw new Error( 'module already implemented: ' + module );
}
// List the module as registered
registry[module] = {
'state': 'registered',
'group': typeof group === 'string' ? group : null,
'dependencies': [],
- 'version': typeof version !== 'undefined' ? parseInt( version ) : 0
+ 'version': version !== undefined ? parseInt( version, 10 ) : 0
};
if ( typeof dependencies === 'string' ) {
// Allow dependencies to be given as a single module name
registry[module].dependencies = [dependencies];
- } else if ( typeof dependencies === 'object' || typeof dependencies === 'function' ) {
+ } else if ( typeof dependencies === 'object' || $.isFunction( dependencies ) ) {
// Allow dependencies to be given as an array of module names
// or a function which returns an array
registry[module].dependencies = dependencies;
* Implements a module, giving the system a course of action to take
* upon loading. Results of a request for one or more modules contain
* calls to this function.
+ *
+ * All arguments are required.
+ *
+ * @param module String: Name of module
+ * @param script Mixed: Function of module code or String of URL to be used as the src
+ * attribute when adding a script element to the body
+ * @param style Object: Object of CSS strings keyed by media-type or Object of lists of URLs
+ * keyed by media-type
+ * @param msgs Object: List of key/value pairs to be passed through mw.messages.set
*/
- this.implement = function( module, script, style, localization ) {
- // Automatically register module
- if ( typeof registry[module] === 'undefined' ) {
- mediaWiki.loader.register( module );
- }
+ this.implement = function( module, script, style, msgs ) {
// Validate input
- if ( typeof script !== 'function' ) {
- throw new Error( 'script must be a function, not a ' + typeof script );
+ if ( typeof module !== 'string' ) {
+ throw new Error( 'module must be a string, not a ' + typeof module );
}
- if ( typeof style !== 'undefined'
- && typeof style !== 'string'
- && typeof style !== 'object' )
- {
- throw new Error( 'style must be a string or object, not a ' + typeof style );
+ if ( !$.isFunction( script ) && !$.isArray( script ) ) {
+ throw new Error( 'script must be a function or an array, not a ' + typeof script );
}
- if ( typeof localization !== 'undefined'
- && typeof localization !== 'object' )
- {
- throw new Error( 'localization must be an object, not a ' + typeof localization );
+ if ( !$.isPlainObject( style ) ) {
+ throw new Error( 'style must be an object, not a ' + typeof style );
}
- if ( typeof registry[module] !== 'undefined'
- && typeof registry[module].script !== 'undefined' )
- {
+ if ( !$.isPlainObject( msgs ) ) {
+ throw new Error( 'msgs must be an object, not a ' + typeof msgs );
+ }
+ // Automatically register module
+ if ( registry[module] === undefined ) {
+ mw.loader.register( module );
+ }
+ // Check for duplicate implementation
+ if ( registry[module] !== undefined && registry[module].script !== undefined ) {
throw new Error( 'module already implemeneted: ' + module );
}
// Mark module as loaded
registry[module].state = 'loaded';
// Attach components
registry[module].script = script;
- if ( typeof style === 'string'
- || typeof style === 'object' && !( style instanceof Array ) )
- {
- registry[module].style = style;
- }
- if ( typeof localization === 'object' ) {
- registry[module].messages = localization;
- }
+ registry[module].style = style;
+ registry[module].messages = msgs;
// Execute or queue callback
if ( compare(
filter( ['ready'], registry[module].dependencies ),
* Executes a function as soon as one or more required modules are ready
*
* @param dependencies string or array of strings of modules names the callback
- * dependencies to be ready before
- * executing
+ * dependencies to be ready before executing
* @param ready function callback to execute when all dependencies are ready (optional)
* @param error function callback to execute when if dependencies have a errors (optional)
*/
this.using = function( dependencies, ready, error ) {
+ var tod = typeof dependencies;
// Validate input
- if ( typeof dependencies !== 'object' && typeof dependencies !== 'string' ) {
- throw new Error( 'dependencies must be a string or an array, not a ' +
- typeof dependencies )
+ if ( tod !== 'object' && tod !== 'string' ) {
+ throw new Error( 'dependencies must be a string or an array, not a ' + tod );
}
// Allow calling with a single dependency as a string
- if ( typeof dependencies === 'string' ) {
+ if ( tod === 'string' ) {
dependencies = [dependencies];
}
// Resolve entire dependency map
dependencies = resolve( dependencies );
// If all dependencies are met, execute ready immediately
if ( compare( filter( ['ready'], dependencies ), dependencies ) ) {
- if ( typeof ready === 'function' ) {
+ if ( $.isFunction( ready ) ) {
ready();
}
}
// If any dependencies have errors execute error immediately
else if ( filter( ['error'], dependencies ).length ) {
- if ( typeof error === 'function' ) {
+ if ( $.isFunction( error ) ) {
error();
}
}
* Loads an external script or one or more modules for future use
*
* @param modules mixed either the name of a module, array of modules,
- * or a URL of an external script or style
+ * or a URL of an external script or style
* @param type string mime-type to use if calling with a URL of an
- * external script or style; acceptable values are "text/css" and
- * "text/javascript"; if no type is provided, text/javascript is
- * assumed
+ * external script or style; acceptable values are "text/css" and
+ * "text/javascript"; if no type is provided, text/javascript is assumed.
*/
this.load = function( modules, type ) {
// Validate input
if ( typeof modules !== 'object' && typeof modules !== 'string' ) {
- throw new Error( 'dependencies must be a string or an array, not a ' +
- typeof dependencies )
+ throw new Error( 'modules must be a string or an array, not a ' + typeof modules );
}
// Allow calling with an external script or single dependency as a string
if ( typeof modules === 'string' ) {
// Support adding arbitrary external scripts
- if ( modules.substr( 0, 7 ) == 'http://'
- || modules.substr( 0, 8 ) == 'https://' )
- {
+ if ( modules.substr( 0, 7 ) === 'http://' || modules.substr( 0, 8 ) === 'https://' ) {
if ( type === 'text/css' ) {
- $( 'head' )
- .append( $( '<link rel="stylesheet" type="text/css" />' )
- .attr( 'href', modules ) );
+ $( 'head' ).append( $( '<link/>', {
+ rel: 'stylesheet',
+ type: 'text/css',
+ href: modules
+ } ) );
return true;
- } else if ( type === 'text/javascript' || typeof type === 'undefined' ) {
- var script = mediaWiki.html.element( 'script',
- { type: 'text/javascript', src: modules }, '' );
- if ( ready ) {
- $( 'body' ).append( script );
- } else {
- document.write( script );
- }
+ } else if ( type === 'text/javascript' || type === undefined ) {
+ addScript( modules );
return true;
}
// Unknown type
}
};
- /**
- * Flushes the request queue and begin executing load requests on demand
- */
- this.go = function() {
- suspended = false;
- mediaWiki.loader.work();
- };
-
/**
* Changes the state of a module
*
this.state = function( module, state ) {
if ( typeof module === 'object' ) {
for ( var m in module ) {
- mediaWiki.loader.state( m, module[m] );
+ mw.loader.state( m, module[m] );
}
return;
}
if ( !( module in registry ) ) {
- mediaWiki.loader.register( module );
+ mw.loader.register( module );
}
registry[module].state = state;
};
*
* @param module string name of module to get version for
*/
- this.version = function( module ) {
+ this.getVersion = function( module ) {
if ( module in registry && 'version' in registry[module] ) {
return formatVersionNumber( registry[module].version );
}
return null;
};
+ /**
+ * @deprecated use mw.loader.getVersion() instead
+ */
+ this.version = function() {
+ return mw.loader.getVersion.apply( mw.loader, arguments );
+ };
+
+ /**
+ * Gets the state of a module
+ *
+ * @param module string name of module to get state for
+ */
+ this.getState = function( module ) {
+ if ( module in registry && 'state' in registry[module] ) {
+ return registry[module].state;
+ }
+ return null;
+ };
+
/* Cache document ready status */
$(document).ready( function() { ready = true; } );
/** HTML construction helper functions */
this.html = new ( function () {
- function escapeCallback( s ) {
+ var escapeCallback = function( s ) {
switch ( s ) {
case "'":
return ''';
case '&':
return '&';
}
- }
+ };
/**
* Escape a string for HTML. Converts special characters to HTML entities.
* @param name The tag name.
* @param attrs An object with members mapping element names to values
* @param contents The contents of the element. May be either:
- * - string: The string is escaped.
- * - null or undefined: The short closing form is used, e.g. <br/>.
- * - this.Raw: The value attribute is included without escaping.
- * - this.Cdata: The value attribute is included, and an exception is
- * thrown if it contains an illegal ETAGO delimiter.
- * See http://www.w3.org/TR/1999/REC-html401-19991224/appendix/notes.html#h-B.3.2
+ * - string: The string is escaped.
+ * - null or undefined: The short closing form is used, e.g. <br/>.
+ * - this.Raw: The value attribute is included without escaping.
+ * - this.Cdata: The value attribute is included, and an exception is
+ * thrown if it contains an illegal ETAGO delimiter.
+ * See http://www.w3.org/TR/1999/REC-html401-19991224/appendix/notes.html#h-B.3.2
*
* Example:
- * var h = mw.html;
- * return h.element( 'div', {},
- * new h.Raw( h.element( 'img', {src: '<'} ) ) );
+ * var h = mw.html;
+ * return h.element( 'div', {},
+ * new h.Raw( h.element( 'img', {src: '<'} ) ) );
* Returns <div><img src="<"/></div>
*/
this.element = function( name, attrs, contents ) {
for ( var attrName in attrs ) {
s += ' ' + attrName + '="' + this.escape( attrs[attrName] ) + '"';
}
- if ( typeof contents == 'undefined' || contents === null ) {
+ if ( contents === undefined || contents === null ) {
// Self close tag
s += '/>';
return s;
}
// Regular open tag
s += '>';
- if ( typeof contents === 'string') {
+ if ( typeof contents === 'string' ) {
// Escaped
s += this.escape( contents );
} else if ( contents instanceof this.Raw ) {
};
} )();
-
/* Extension points */
this.legacy = {};
} )( jQuery );
-/* Auto-register from pre-loaded startup scripts */
+// Alias $j to jQuery for backwards compatibility
+window.$j = jQuery;
-if ( typeof startUp === 'function' ) {
+// Auto-register from pre-loaded startup scripts
+if ( jQuery.isFunction( startUp ) ) {
startUp();
delete startUp;
}
-
-// Add jQuery Cookie to initial payload (used in mediaWiki.user)
-mediaWiki.loader.load( 'jquery.cookie' );
-
-// Alias $j to jQuery for backwards compatibility
-window.$j = jQuery;
-window.mw = mediaWiki;