mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-12-11 22:16:15 +00:00
3f0f302577
Previously, the ve-mw/init/ directory contained two kinds of files: those that were used when initializing VE, and those that may be loaded even if VE is not going to be initialized at all. The latter kind must not use the `ve` global variable. After moving those files to ve-mw/preinit/ we can enforce this with .eslintrc.json in that directory. This would have prevented T228684. (Technically they merely must not use `ve.init`, and may use `ve`, but that's harder to enforce. We should instead move the few non-init methods out of `ve`: now, track, trackSubscribe, trackSubscribeAll). Also, group some files under ve-mw/init/: targets/ now (only) contains ve.init.mw.Target and its subclasses, apiresponsecache/ now contains ve.init.mw.ApiResponseCache and its subclasses. Bug: T228684 Change-Id: I945249a27f6a0fa10a432d5c5dc57bc7e0461fd8
405 lines
14 KiB
JavaScript
405 lines
14 KiB
JavaScript
/*!
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* VisualEditor MediaWiki ArticleTargetLoader.
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*
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* @copyright 2011-2019 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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// TODO: ve.now and ve.track should be moved to mw.libs.ve
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/* global ve */
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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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namespaces = mw.config.get( 'wgNamespaceIds' ),
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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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// Load signature tool if *any* namespace supports it.
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// It will be shown disabled on namespaces that don't support it.
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if (
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Object.keys( namespaces ).some( function ( name ) {
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return mw.Title.wantSignaturesNamespace( namespaces[ name ] );
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} )
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) {
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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 {
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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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* @param {string} mode Initial editor mode, for tracking
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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 ( mode ) {
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ve.track( 'trace.moduleLoad.enter', { mode: mode } );
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return mw.loader.using( modules )
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.then( function () {
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ve.track( 'trace.moduleLoad.exit', { mode: mode } );
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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, in prefixed DB key form (underscores instead of spaces)
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* @param {Object} [options] Options
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* @param {boolean} [options.sessionStore] Store result in session storage (by page+mode+section) for auto-save
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* @param {number|null|string} [options.section] Section to edit; number, null or 'new' (currently just source mode)
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* @param {number} [options.oldId] Old revision ID. Current if omitted.
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* @param {string} [options.targetName] Optional target name for tracking
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* @param {boolean} [options.modified] The page was been modified before loading (e.g. in source mode)
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* @param {string} [options.wikitext] Wikitext to convert to HTML. The original document is fetched if undefined.
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* @param {string} [preload] Name of a page to use as preloaded content if pageName is empty
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* @param {Array} [preloadparams] Parameters to substitute into preload if it's used
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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, options ) {
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var sessionState, request, section, dataPromise, apiRequest, enableVisualSectionEditing;
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options = options || {};
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apiRequest = mode === 'source' ?
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this.requestWikitext.bind( this, pageName, options ) :
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this.requestParsoidData.bind( this, pageName, options );
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if ( options.sessionStore ) {
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try {
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// ve.init.platform.getSessionObject is not available yet
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sessionState = JSON.parse( mw.storage.session.get( 've-docstate' ) );
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} catch ( e ) {}
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if ( sessionState ) {
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request = sessionState.request || {};
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// Check true section editing is in use
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enableVisualSectionEditing = conf.enableVisualSectionEditing;
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section = request.mode === 'source' || enableVisualSectionEditing === true || enableVisualSectionEditing === options.targetName ?
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options.section : null;
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// Check the requested page, mode and section match the stored one
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if (
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request.pageName === pageName &&
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request.mode === mode &&
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request.section === section
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// NB we don't cache by oldid so that cached results can be recovered
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// even if the page has been since edited
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) {
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dataPromise = $.Deferred().resolve( {
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visualeditor: $.extend(
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{ content: mw.storage.session.get( 've-dochtml' ) },
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sessionState.response,
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{ recovered: true }
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)
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} ).promise();
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// If the document hasn't been edited since the user first loaded it, recover
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// their changes automatically.
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if ( sessionState.response.oldid === mw.config.get( 'wgCurRevisionId' ) ) {
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return dataPromise;
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} else {
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// Otherwise, prompt them if they want to recover, or reload the document
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// to see the latest version
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// This prompt will throw off all of our timing data, so just disable tracking
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// for this session
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ve.track = function () {};
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return mw.loader.using( 'oojs-ui-windows' ).then( function () {
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return OO.ui.confirm( mw.msg( 'visualeditor-autosave-modified-prompt-message' ), {
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title: mw.msg( 'visualeditor-autosave-modified-prompt-title' ),
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actions: [
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{ action: 'accept', label: mw.msg( 'visualeditor-autosave-modified-prompt-accept' ), flags: [ 'primary', 'progressive' ] },
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{ action: 'reject', label: mw.msg( 'visualeditor-autosave-modified-prompt-reject' ), flags: 'destructive' }
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] }
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).then( function ( confirmed ) {
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if ( confirmed ) {
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return dataPromise;
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} else {
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// If they requested the latest version, invalidate the autosave state
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mw.storage.session.remove( 've-docstate' );
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return apiRequest();
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}
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} );
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} );
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}
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}
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}
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}
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return apiRequest();
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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 See #requestPageData
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* @param {Object} [options] See #requestPageData
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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, options ) {
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var start, apiXhr, restbaseXhr, apiPromise, restbasePromise, dataPromise, pageHtmlUrl, headers, data,
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section = options.section !== undefined ? options.section : null,
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useRestbase = ( conf.fullRestbaseUrl || conf.restbaseUrl ) && section === null,
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switched = false,
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fromEditedState = false;
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options = options || {};
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data = {
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action: 'visualeditor',
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paction: useRestbase ? '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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preload: options.preload,
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preloadparams: options.preloadparams,
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formatversion: 2
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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 ( options.oldId !== undefined ) {
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data.oldid = options.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', { mode: 'visual' } );
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if ( !useRestbase && options.wikitext !== undefined ) {
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// Non-RESTBase custom wikitext parse
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data.paction = 'parse';
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data.stash = true;
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switched = true;
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fromEditedState = options.modified;
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data.wikitext = options.wikitext;
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data.section = options.section;
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data.oldid = options.oldId;
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apiXhr = new mw.Api().post( data );
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} else {
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apiXhr = new mw.Api().get( data );
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}
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apiPromise = apiXhr.then( function ( data, jqxhr ) {
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ve.track( 'trace.apiLoad.exit', { mode: 'visual' } );
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ve.track( 'mwtiming.performance.system.apiLoad', {
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bytes: require( 'mediawiki.String' ).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: options.targetName,
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mode: 'visual'
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} );
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if ( data.visualeditor ) {
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data.visualeditor.switched = switched;
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data.visualeditor.fromEditedState = fromEditedState;
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}
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return data;
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} );
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if ( useRestbase ) {
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ve.track( 'trace.restbaseLoad.enter', { mode: 'visual' } );
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headers = {
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// Should be synchronised with ApiVisualEditor.php
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Accept: 'text/html; charset=utf-8; profile="https://www.mediawiki.org/wiki/Specs/HTML/2.0.0"',
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'Accept-Language': mw.config.get( 'wgVisualEditor' ).pageLanguageCode,
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'Api-User-Agent': 'VisualEditor-MediaWiki/' + mw.config.get( 'wgVersion' )
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};
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// Convert specified Wikitext to HTML
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if (
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// wikitext can be an empty string
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options.wikitext !== undefined &&
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// eslint-disable-next-line no-jquery/no-global-selector
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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 = options.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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( data.oldid === undefined ? '' : '/' + data.oldid ),
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type: 'POST',
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data: {
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title: pageName,
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wikitext: options.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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// Fetch revision
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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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( data.oldid === undefined ? '' : '/' + data.oldid ) +
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'?redirect=false&stash=true',
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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', { mode: 'visual' } );
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ve.track( 'mwtiming.performance.system.restbaseLoad', {
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bytes: require( 'mediawiki.String' ).byteLength( jqxhr.responseText ),
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duration: ve.now() - start,
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targetName: options.targetName,
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mode: 'visual'
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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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if ( restbaseData[ 0 ] || !apiData.visualeditor.content ) {
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// If we have actual content loaded, use it.
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// Otherwise, allow fallback content if present.
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// If no fallback content, this will give us an empty string for
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// content, which is desirable.
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apiData.visualeditor.content = restbaseData[ 0 ];
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apiData.visualeditor.etag = restbaseData[ 1 ];
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}
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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.then( function ( resp ) {
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resp.veMode = 'visual';
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return resp;
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} );
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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 See #requestPageData
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* @param {Object} [options] See #requestPageData
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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, options ) {
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var data, dataPromise;
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options = options || {};
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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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preload: options.preload,
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preloadparams: options.preloadparams,
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formatversion: 2
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};
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// section should never really be undefined, but check just in case
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if ( options.section !== null && options.section !== undefined ) {
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data.section = options.section;
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}
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if ( options.oldId !== undefined ) {
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data.oldid = options.oldId;
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}
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dataPromise = new mw.Api().get( data );
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return dataPromise.then( function ( resp ) {
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resp.veMode = 'source';
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return resp;
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} );
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}
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};
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}() );
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