mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-09-25 11:16:51 +00:00
c5bb912e80
The non-FullRestbaseURL branch didn't handle converting the provided wikitext, causing data loss when switching from source to visual modes. Bug: T158692 Change-Id: I283afc4be1e322228d6ec572bfa8542ba8fd9ce7
290 lines
9.6 KiB
JavaScript
290 lines
9.6 KiB
JavaScript
/*!
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* VisualEditor MediaWiki ArticleTargetLoader.
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*
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* @copyright 2011-2017 VisualEditor Team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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/**
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* Target loader.
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*
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* Light-weight loader that loads ResourceLoader modules for VisualEditor
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* and HTML and page data from the API. Also handles plugin registration.
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*
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* @class mw.libs.ve.targetLoader
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* @singleton
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*/
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( function () {
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var prefName, prefValue,
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uri = new mw.Uri(),
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conf = mw.config.get( 'wgVisualEditorConfig' ),
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pluginCallbacks = [],
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modules = [ 'ext.visualEditor.articleTarget' ]
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// Add modules from $wgVisualEditorPluginModules
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.concat( conf.pluginModules.filter( mw.loader.getState ) );
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// Provide the new wikitext editor
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if (
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conf.enableWikitext &&
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(
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mw.user.options.get( 'visualeditor-newwikitext' ) ||
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uri.query.veaction === 'editsource'
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) &&
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mw.loader.getState( 'ext.visualEditor.mwwikitext' )
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) {
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modules.push( 'ext.visualEditor.mwwikitext' );
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}
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// Allow signing posts in select namespaces
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if ( conf.signatureNamespaces.length ) {
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modules.push( 'ext.visualEditor.mwsignature' );
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}
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// Add preference modules
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for ( prefName in conf.preferenceModules ) {
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prefValue = mw.user.options.get( prefName );
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// Check "0" (T89513)
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if ( prefValue && prefValue !== '0' ) {
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modules.push( conf.preferenceModules[ prefName ] );
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}
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}
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mw.libs.ve = mw.libs.ve || {};
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mw.libs.ve.targetLoader = {
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/**
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* Add a plugin module or callback.
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*
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* If a module name is passed, that module will be loaded alongside the other modules.
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*
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* If a callback is passed, it will be executed after the modules have loaded. The callback
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* may optionally return a jQuery.Promise; if it does, loading won't be complete until
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* that promise is resolved.
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*
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* @param {string|Function} plugin Plugin module name or callback
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*/
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addPlugin: function ( plugin ) {
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if ( typeof plugin === 'string' ) {
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modules.push( plugin );
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} else if ( $.isFunction( plugin ) ) {
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pluginCallbacks.push( plugin );
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}
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},
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/**
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* Load modules needed for VisualEditor, as well as plugins.
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*
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* This loads the base VE modules as well as any registered plugin modules.
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* Once those are loaded, any registered plugin callbacks are executed,
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* and we wait for all promises returned by those callbacks to resolve.
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*
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* @return {jQuery.Promise} Promise resolved when the loading process is complete
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*/
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loadModules: function () {
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ve.track( 'trace.moduleLoad.enter' );
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return mw.loader.using( modules )
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.then( function () {
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ve.track( 'trace.moduleLoad.exit' );
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pluginCallbacks.push( ve.init.platform.getInitializedPromise.bind( ve.init.platform ) );
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// Execute plugin callbacks and collect promises
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return $.when.apply( $, pluginCallbacks.map( function ( callback ) {
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return callback();
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} ) );
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} );
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},
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/**
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* Request the page data and various metadata from the MediaWiki API (which will use
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* Parsoid or RESTBase).
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*
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* @param {string} mode Target mode: 'visual' or 'source'
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* @param {string} pageName Page name to request
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* @param {number|string} [section] Section to edit, number or 'new' (currently just source mode)
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* @param {string} [oldid] Old revision ID, current if omitted
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* @param {string} [targetName] Optional target name for tracking
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* @param {boolean} [modified] The page was been modified before loading (e.g. in source mode)
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* @return {jQuery.Promise} Abortable promise resolved with a JSON object
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*/
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requestPageData: function ( mode, pageName, section, oldid, targetName, modified ) {
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if ( mode === 'source' ) {
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return this.requestWikitext( pageName, section, oldid, targetName, modified );
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} else {
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return this.requestParsoidData( pageName, oldid, targetName, modified );
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}
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},
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/**
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* Request the page HTML and various metadata from the MediaWiki API (which will use
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* Parsoid or RESTBase).
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*
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* @param {string} pageName Page name to request
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* @param {string} [oldid] Old revision ID, current if omitted
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* @param {string} [targetName] Optional target name for tracking
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* @param {boolean} [modified] The page was been modified before loading (e.g. in source mode)
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* @param {string} [wikitext] Wikitext to convert to HTML. The original document is fetched if undefined.
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* @return {jQuery.Promise} Abortable promise resolved with a JSON object
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*/
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requestParsoidData: function ( pageName, oldid, targetName, modified, wikitext ) {
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var start, apiXhr, restbaseXhr, apiPromise, restbasePromise, dataPromise, pageHtmlUrl, headers,
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switched = false,
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fromEditedState = false,
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data = {
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action: 'visualeditor',
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paction: ( conf.fullRestbaseUrl || conf.restbaseUrl ) ? 'metadata' : 'parse',
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page: pageName,
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uselang: mw.config.get( 'wgUserLanguage' ),
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editintro: uri.query.editintro
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};
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// Only request the API to explicitly load the currently visible revision if we're restoring
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// from oldid. Otherwise we should load the latest version. This prevents us from editing an
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// old version if an edit was made while the user was viewing the page and/or the user is
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// seeing (slightly) stale cache.
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if ( oldid !== undefined ) {
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data.oldid = oldid;
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}
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// Load DOM
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start = ve.now();
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ve.track( 'trace.apiLoad.enter' );
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apiXhr = new mw.Api().get( data );
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apiPromise = apiXhr.then( function ( data, jqxhr ) {
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ve.track( 'trace.apiLoad.exit' );
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ve.track( 'mwtiming.performance.system.apiLoad', {
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bytes: $.byteLength( jqxhr.responseText ),
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duration: ve.now() - start,
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cacheHit: /hit/i.test( jqxhr.getResponseHeader( 'X-Cache' ) ),
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targetName: targetName
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} );
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return data;
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} );
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if ( conf.fullRestbaseUrl || conf.restbaseUrl ) {
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ve.track( 'trace.restbaseLoad.enter' );
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// Should be synchronised with ApiVisualEditor.php
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headers = {
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Accept: 'text/html; charset=utf-8; profile="mediawiki.org/specs/html/1.2.0"',
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'Api-User-Agent': 'VisualEditor-MediaWiki/' + mw.config.get( 'wgVersion' )
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};
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if ( wikitext === undefined ) {
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wikitext = $( '#wpTextbox1' ).textSelection( 'getContents' );
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}
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if (
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// wikitext can be an empty string
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wikitext !== undefined &&
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!$( '[name=wpSection]' ).val()
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) {
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if ( conf.fullRestbaseUrl ) {
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pageHtmlUrl = conf.fullRestbaseUrl + 'v1/transform/wikitext/to/html/';
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} else {
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pageHtmlUrl = conf.restbaseUrl.replace( 'v1/page/html/', 'v1/transform/wikitext/to/html/' );
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}
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switched = true;
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fromEditedState = modified;
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window.onbeforeunload = null;
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$( window ).off( 'beforeunload' );
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restbaseXhr = $.ajax( {
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url: pageHtmlUrl + encodeURIComponent( pageName ) +
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( oldid === undefined ? '' : '/' + oldid ),
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type: 'POST',
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data: {
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title: pageName,
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oldid: oldid,
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wikitext: wikitext,
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stash: 'true'
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},
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headers: headers,
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dataType: 'text'
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} );
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} else {
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if ( conf.fullRestbaseUrl ) {
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pageHtmlUrl = conf.fullRestbaseUrl + 'v1/page/html/';
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} else {
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pageHtmlUrl = conf.restbaseUrl;
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}
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restbaseXhr = $.ajax( {
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url: pageHtmlUrl + encodeURIComponent( pageName ) +
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( oldid === undefined ? '' : '/' + oldid ) + '?redirect=false',
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type: 'GET',
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headers: headers,
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dataType: 'text'
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} );
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}
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restbasePromise = restbaseXhr.then(
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function ( data, status, jqxhr ) {
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ve.track( 'trace.restbaseLoad.exit' );
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ve.track( 'mwtiming.performance.system.restbaseLoad', {
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bytes: $.byteLength( jqxhr.responseText ),
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duration: ve.now() - start,
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targetName: targetName
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} );
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return [ data, jqxhr.getResponseHeader( 'etag' ) ];
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},
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function ( xhr, code, _ ) {
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if ( xhr.status === 404 ) {
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// Page does not exist, so let the user start with a blank document.
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return $.Deferred().resolve( [ '', undefined ] ).promise();
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} else {
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mw.log.warn( 'RESTBase load failed: ' + xhr.statusText );
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return $.Deferred().reject( code, xhr, _ ).promise();
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}
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}
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);
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dataPromise = $.when( apiPromise, restbasePromise )
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.then( function ( apiData, restbaseData ) {
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if ( apiData.visualeditor ) {
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apiData.visualeditor.content = restbaseData[ 0 ];
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apiData.visualeditor.etag = restbaseData[ 1 ];
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apiData.visualeditor.switched = switched;
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apiData.visualeditor.fromEditedState = fromEditedState;
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}
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return apiData;
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} )
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.promise( { abort: function () {
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apiXhr.abort();
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restbaseXhr.abort();
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} } );
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} else {
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dataPromise = apiPromise.promise( { abort: apiXhr.abort } );
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}
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return dataPromise;
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},
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/**
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* Request the page wikitext and various metadata from the MediaWiki API.
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*
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* @param {string} pageName Page name to request
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* @param {number|string} [section] Section to edit, number or 'new' (currently just source mode)
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* @param {string} [oldid] Old revision ID, current if omitted
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* @param {string} [targetName] Optional target name for tracking
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* @param {boolean} [modified] The page was been modified before loading
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* @return {jQuery.Promise} Abortable promise resolved with a JSON object
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*/
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requestWikitext: function ( pageName, section, oldid ) {
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var data = {
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action: 'visualeditor',
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paction: 'wikitext',
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page: pageName,
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uselang: mw.config.get( 'wgUserLanguage' ),
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editintro: uri.query.editintro
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};
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// section should never really be undefined, but check just in case
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if ( section !== null && section !== undefined ) {
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data.section = section;
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}
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if ( oldid !== undefined ) {
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data.oldid = oldid;
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}
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return new mw.Api().get( data );
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}
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};
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}() );
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