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ve.init.mw.ArticleTargetLoader.js
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ve.init.mw.ArticleTargetLoader.js
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/*!
* VisualEditor MediaWiki ArticleTargetLoader.
*
* @copyright See AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
// TODO: ve.now and ve.track should be moved to mw.libs.ve
/* global ve */
/**
* Target loader.
*
* Light-weight loader that loads ResourceLoader modules for VisualEditor
* and HTML and page data from the API. Also handles plugin registration.
*
* @class mw.libs.ve.targetLoader
* @singleton
* @hideconstructor
*/
( function () {
const conf = mw.config.get( 'wgVisualEditorConfig' ),
pluginCallbacks = [],
modules = [
'ext.visualEditor.articleTarget',
// Add modules from $wgVisualEditorPluginModules
...conf.pluginModules.filter( mw.loader.getState )
];
const url = new URL( location.href );
// Provide the new wikitext editor
if (
mw.user.options.get( 'visualeditor-newwikitext' ) ||
url.searchParams.get( 'veaction' ) === 'editsource'
) {
modules.push( 'ext.visualEditor.mwwikitext' );
}
// A/B test enrollment for edit check (T342930)
if ( conf.editCheckABTest ) {
let inABTest;
if ( mw.user.isAnon() ) {
// can't just use mw.user.sessionId() because we need this to last across sessions
const token = mw.cookie.get( 'VEECid', '', mw.user.generateRandomSessionId() );
// Store the token so our state is consistent across pages
mw.cookie.set( 'VEECid', token, { path: '/', expires: 90 * 86400, prefix: '' } );
inABTest = parseInt( token.slice( 0, 8 ), 16 ) % 2 === 1;
} else {
inABTest = mw.user.getId() % 2 === 1;
}
conf.editCheck = inABTest;
// Communicate the bucket to instrumentation:
mw.config.set( 'wgVisualEditorEditCheckABTestBucket', '2024-02-editcheck-reference-' + ( inABTest ? 'test' : 'control' ) );
}
const editCheck = conf.editCheck || !!url.searchParams.get( 'ecenable' ) || !!window.MWVE_FORCE_EDIT_CHECK_ENABLED;
if ( conf.editCheckTagging || editCheck ) {
modules.push( 'ext.visualEditor.editCheck' );
}
const namespaces = mw.config.get( 'wgNamespaceIds' );
// Load signature tool if *any* namespace supports it.
// It will be shown disabled on namespaces that don't support it.
if (
Object.keys( namespaces ).some( ( name ) => mw.Title.wantSignaturesNamespace( namespaces[ name ] ) )
) {
modules.push( 'ext.visualEditor.mwsignature' );
}
mw.libs.ve = mw.libs.ve || {};
mw.libs.ve.targetLoader = {
/**
* Add a plugin module or callback.
*
* If a module name is passed, that module will be loaded alongside the other modules.
*
* If a callback is passed, it will be executed after the modules have loaded. The callback
* may optionally return a jQuery.Promise; if it does, loading won't be complete until
* that promise is resolved.
*
* @param {string|Function} plugin Plugin module name or callback
*/
addPlugin: function ( plugin ) {
if ( typeof plugin === 'string' ) {
modules.push( plugin );
} else {
pluginCallbacks.push( plugin );
}
},
/**
* Load modules needed for VisualEditor, as well as plugins.
*
* This loads the base VE modules as well as any registered plugin modules.
* Once those are loaded, any registered plugin callbacks are executed,
* and we wait for all promises returned by those callbacks to resolve.
*
* @param {string} mode Initial editor mode, for tracking
* @return {jQuery.Promise} Promise resolved when the loading process is complete
*/
loadModules: function ( mode ) {
mw.hook( 've.loadModules' ).fire( this.addPlugin.bind( this ) );
ve.track( 'trace.moduleLoad.enter', { mode: mode } );
return mw.loader.using( modules )
.then( () => {
ve.track( 'trace.moduleLoad.exit', { mode: mode } );
pluginCallbacks.push( ve.init.platform.getInitializedPromise.bind( ve.init.platform ) );
// Execute plugin callbacks and collect promises
return $.when.apply( $, pluginCallbacks.map( ( callback ) => {
try {
return callback();
} catch ( e ) {
mw.log.warn( 'Failed to load VE plugin:', e );
return null;
}
} ) );
} );
},
/**
* Creates an OOUI checkbox inside an inline field layout
*
* @param {Object[]} checkboxesDef Checkbox definitions from the API
* @param {Object} [widgetConfig] Additional widget config
* @return {Object} Result object with checkboxFields (OO.ui.FieldLayout[]) and
* checkboxesByName (keyed object of OO.ui.CheckboxInputWidget).
*/
createCheckboxFields: function ( checkboxesDef, widgetConfig ) {
const checkboxFields = [],
checkboxesByName = {};
if ( checkboxesDef ) {
Object.keys( checkboxesDef ).forEach( ( name ) => {
const options = checkboxesDef[ name ];
let accesskey = null,
title = null;
// The messages documented below are just the ones defined in core.
// Extensions may add other checkboxes.
if ( options.tooltip ) {
// The following messages are used here:
// * accesskey-minoredit
// * accesskey-watch
accesskey = mw.message( 'accesskey-' + options.tooltip ).text();
// The following messages are used here:
// * tooltip-minoredit
// * tooltip-watch
title = mw.message( 'tooltip-' + options.tooltip ).text();
}
if ( options[ 'title-message' ] ) {
// Not used in core
// eslint-disable-next-line mediawiki/msg-doc
title = mw.message( options[ 'title-message' ] ).text();
}
// The following messages are used here:
// * minoredit
// * watchthis
const $label = mw.message( options[ 'label-message' ] ).parseDom();
const config = $.extend( {
accessKey: accesskey,
// The following classes are used here:
// * ve-ui-mwSaveDialog-checkbox-wpMinoredit
// * ve-ui-mwSaveDialog-checkbox-wpWatchthis
// * ve-ui-mwSaveDialog-checkbox-wpWatchlistExpiry
classes: [ 've-ui-mwSaveDialog-checkbox-' + name ]
}, widgetConfig );
let checkbox;
switch ( options.class ) {
case 'OOUI\\DropdownInputWidget':
checkbox = new OO.ui.DropdownInputWidget( $.extend( config, {
value: options.default,
options: options.options
} ) );
break;
default:
checkbox = new OO.ui.CheckboxInputWidget( $.extend( config, {
selected: options.default
} ) );
break;
}
checkboxFields.push(
new OO.ui.FieldLayout( checkbox, {
align: 'inline',
label: $label,
title: title,
invisibleLabel: !!options.invisibleLabel,
// * ve-ui-mwSaveDialog-field-wpMinoredit
// * ve-ui-mwSaveDialog-field-wpWatchthis
// * ve-ui-mwSaveDialog-field-wpWatchlistExpiry
classes: [ 've-ui-mwSaveDialog-field-' + name ]
} )
);
checkboxesByName[ name ] = checkbox;
} );
}
return {
checkboxFields: checkboxFields,
checkboxesByName: checkboxesByName
};
},
/**
* Request the page data and various metadata from the MediaWiki API (which will use
* Parsoid or RESTBase).
*
* @param {string} mode Target mode: 'visual' or 'source'
* @param {string} pageName Page name to request, in prefixed DB key form (underscores instead of spaces)
* @param {Object} [options]
* @param {boolean} [options.sessionStore] Store result in session storage (by page+mode+section) for auto-save
* @param {null|string} [options.section] Section to edit; number, 'T-'-prefixed, null or 'new' (currently just source mode)
* @param {number} [options.oldId] Old revision ID. Current if omitted.
* @param {string} [options.targetName] Optional target name for tracking
* @param {boolean} [options.modified] The page has been modified before loading (e.g. in source mode)
* @param {string} [options.wikitext] Wikitext to convert to HTML. The original document is fetched if undefined.
* @param {string} [options.editintro] Name of a page to use as edit intro message
* @param {string} [options.preload] Name of a page to use as preloaded content if pageName is empty
* @param {string[]} [options.preloadparams] Parameters to substitute into preload if it's used
* @return {jQuery.Promise} Abortable promise resolved with a JSON object
*/
requestPageData: function ( mode, pageName, options ) {
options = options || {};
const apiRequest = mode === 'source' ?
this.requestWikitext.bind( this, pageName, options ) :
this.requestParsoidData.bind( this, pageName, options );
if ( options.sessionStore ) {
let sessionState;
try {
// ve.init.platform.getSessionObject is not available yet
sessionState = JSON.parse( mw.storage.session.get( 've-docstate' ) );
} catch ( e ) {}
if ( sessionState ) {
const request = sessionState.request || {};
// Check true section editing is in use
const enableVisualSectionEditing = conf.enableVisualSectionEditing;
const section = request.mode === 'source' || enableVisualSectionEditing === true || enableVisualSectionEditing === options.targetName ?
options.section : null;
// Check the requested page, mode and section match the stored one
if (
request.pageName === pageName &&
request.mode === mode &&
request.section === section
// NB we don't cache by oldid so that cached results can be recovered
// even if the page has been since edited
) {
const dataPromise = $.Deferred().resolve( {
visualeditor: $.extend(
{ content: mw.storage.session.get( 've-dochtml' ) },
sessionState.response,
{ recovered: true }
)
} ).promise();
// If the document hasn't been edited since the user first loaded it, recover
// their changes automatically.
if ( sessionState.response.oldid === mw.config.get( 'wgCurRevisionId' ) ) {
return dataPromise;
} else {
// Otherwise, prompt them if they want to recover, or reload the document
// to see the latest version
// This prompt will throw off all of our timing data, so just disable tracking
// for this session
ve.track = function () {};
return mw.loader.using( 'oojs-ui-windows' ).then( () => OO.ui.confirm( mw.msg( 'visualeditor-autosave-modified-prompt-message' ), {
title: mw.msg( 'visualeditor-autosave-modified-prompt-title' ),
actions: [
{ action: 'accept', label: mw.msg( 'visualeditor-autosave-modified-prompt-accept' ), flags: [ 'primary', 'progressive' ] },
{ action: 'reject', label: mw.msg( 'visualeditor-autosave-modified-prompt-reject' ), flags: 'destructive' }
] }
).then( ( confirmed ) => {
if ( confirmed ) {
return dataPromise;
} else {
// If they requested the latest version, invalidate the autosave state
mw.storage.session.remove( 've-docstate' );
return apiRequest();
}
} ) );
}
}
}
}
return apiRequest();
},
/**
* Request the page HTML and various metadata from the MediaWiki API (which will use
* Parsoid or RESTBase).
*
* @param {string} pageName See #requestPageData
* @param {Object} [options] See #requestPageData
* @param {boolean} [noRestbase=false] Don't query RESTBase directly
* @param {boolean} [noMetadata=false] Don't fetch document metadata when querying RESTBase. Metadata
* is not required for some use cases, e.g. diffing.
* @return {jQuery.Promise} Abortable promise resolved with a JSON object
*/
requestParsoidData: function ( pageName, options, noRestbase, noMetadata ) {
const section = options.section !== undefined ? options.section : null,
useRestbase = !noRestbase && ( conf.fullRestbaseUrl || conf.restbaseUrl ) && section === null;
options = options || {};
const data = {
action: 'visualeditor',
paction: useRestbase ? 'metadata' : 'parse',
page: pageName,
badetag: options.badetag,
uselang: mw.config.get( 'wgUserLanguage' ),
editintro: options.editintro,
preload: options.preload,
preloadparams: options.preloadparams,
formatversion: 2
};
// Only request the API to explicitly load the currently visible revision if we're restoring
// from oldid. Otherwise we should load the latest version. This prevents us from editing an
// old version if an edit was made while the user was viewing the page and/or the user is
// seeing (slightly) stale cache.
if ( options.oldId !== undefined ) {
data.oldid = options.oldId;
}
// Load DOM
const start = ve.now();
ve.track( 'trace.apiLoad.enter', { mode: 'visual' } );
let apiXhr, apiPromise;
let switched = false,
fromEditedState = false;
if ( !useRestbase && options.wikitext !== undefined ) {
// Non-RESTBase custom wikitext parse
data.paction = 'parse';
data.stash = true;
switched = true;
fromEditedState = options.modified;
data.wikitext = options.wikitext;
data.section = options.section;
data.oldid = options.oldId;
apiXhr = new mw.Api().post( data );
} else {
if ( useRestbase && noMetadata ) {
apiPromise = $.Deferred().resolve( { visualeditor: {} } ).promise();
} else {
apiXhr = new mw.Api().get( data );
}
}
if ( !apiPromise ) {
apiPromise = apiXhr.then( ( response ) => {
ve.track( 'trace.apiLoad.exit', { mode: 'visual' } );
mw.track( 'timing.ve.' + options.targetName + '.performance.system.apiLoad',
ve.now() - start );
if ( response.visualeditor ) {
response.visualeditor.switched = switched;
response.visualeditor.fromEditedState = fromEditedState;
}
return response;
} );
}
let dataPromise, abort;
if ( useRestbase ) {
ve.track( 'trace.restbaseLoad.enter', { mode: 'visual' } );
const headers = {
// Should be synchronised with DirectParsoidClient.php
Accept: 'text/html; charset=utf-8; profile="https://www.mediawiki.org/wiki/Specs/HTML/2.8.0"',
'Accept-Language': mw.config.get( 'wgVisualEditor' ).pageLanguageCode,
'Api-User-Agent': 'VisualEditor-MediaWiki/' + mw.config.get( 'wgVersion' )
};
let restbaseXhr, pageHtmlUrl;
// Convert specified Wikitext to HTML
if (
// wikitext can be an empty string
options.wikitext !== undefined &&
// eslint-disable-next-line no-jquery/no-global-selector
!$( '[name=wpSection]' ).val()
) {
if ( conf.fullRestbaseUrl ) {
pageHtmlUrl = conf.fullRestbaseUrl + 'v1/transform/wikitext/to/html/';
} else {
pageHtmlUrl = conf.restbaseUrl.replace( 'v1/page/html/', 'v1/transform/wikitext/to/html/' );
}
switched = true;
fromEditedState = options.modified;
window.onbeforeunload = null;
$( window ).off( 'beforeunload' );
restbaseXhr = $.ajax( {
url: pageHtmlUrl + encodeURIComponent( pageName ) +
( data.oldid === undefined ? '' : '/' + data.oldid ),
type: 'POST',
data: {
title: pageName,
wikitext: options.wikitext,
stash: 'true'
},
headers: headers,
dataType: 'text'
} );
} else {
// Fetch revision
if ( conf.fullRestbaseUrl ) {
pageHtmlUrl = conf.fullRestbaseUrl + 'v1/page/html/';
} else {
pageHtmlUrl = conf.restbaseUrl;
}
restbaseXhr = $.ajax( {
url: pageHtmlUrl + encodeURIComponent( pageName ) +
( data.oldid === undefined ? '' : '/' + data.oldid ) +
'?redirect=false&stash=true',
type: 'GET',
headers: headers,
dataType: 'text'
} );
}
const restbasePromise = restbaseXhr.then(
( response, status, jqxhr ) => {
ve.track( 'trace.restbaseLoad.exit', { mode: 'visual' } );
mw.track( 'timing.ve.' + options.targetName + '.performance.system.restbaseLoad',
ve.now() - start );
return [ response, jqxhr.getResponseHeader( 'etag' ) ];
},
( xhr, code, _ ) => {
if ( xhr.status === 404 ) {
// Page does not exist, so let the user start with a blank document.
return $.Deferred().resolve( [ '', undefined ] ).promise();
} else {
mw.log.warn( 'RESTBase load failed: ' + xhr.statusText );
return $.Deferred().reject( code, xhr, _ ).promise();
}
}
);
dataPromise = $.when( apiPromise, restbasePromise )
.then( ( apiData, restbaseData ) => {
if ( apiData.visualeditor ) {
if ( restbaseData[ 0 ] || !apiData.visualeditor.content ) {
// If we have actual content loaded, use it.
// Otherwise, allow fallback content if present.
// If no fallback content, this will give us an empty string for
// content, which is desirable.
apiData.visualeditor.content = restbaseData[ 0 ];
apiData.visualeditor.etag = restbaseData[ 1 ];
}
apiData.visualeditor.switched = switched;
apiData.visualeditor.fromEditedState = fromEditedState;
}
return apiData;
} );
abort = function () {
if ( apiXhr ) {
apiXhr.abort();
}
restbaseXhr.abort();
};
} else {
dataPromise = apiPromise;
if ( apiXhr ) {
abort = apiXhr.abort;
}
}
return dataPromise.then( ( resp ) => {
// Adapted from RESTBase mwUtil.parseETag()
const etagRegexp = /^(?:W\/)?"?([^"/]+)(?:\/([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}))(?:\/([^"]+))?"?$/;
// `etag` is expected to be undefined when creating a new page.
// We can detect that case by `content` being empty, and not retry.
if ( useRestbase && resp.visualeditor.content && (
!resp.visualeditor.etag ||
!etagRegexp.test( resp.visualeditor.etag )
) ) {
// Direct request to RESTBase returned a mangled or missing etag.
// Retry via the MediaWiki API.
return mw.libs.ve.targetLoader.requestParsoidData(
pageName,
$.extend( {}, options, { badetag: resp.visualeditor.etag || '' } ),
true
);
}
resp.veMode = 'visual';
return resp;
} ).promise( { abort: abort } );
},
/**
* Request the page wikitext and various metadata from the MediaWiki API.
*
* @param {string} pageName See #requestPageData
* @param {Object} [options] See #requestPageData
* @return {jQuery.Promise} Abortable promise resolved with a JSON object
*/
requestWikitext: function ( pageName, options ) {
options = options || {};
const data = {
action: 'visualeditor',
paction: 'wikitext',
page: pageName,
uselang: mw.config.get( 'wgUserLanguage' ),
editintro: options.editintro,
preload: options.preload,
preloadparams: options.preloadparams,
formatversion: 2
};
// section should never really be undefined, but check just in case
if ( options.section !== null && options.section !== undefined ) {
data.section = options.section;
}
if ( options.oldId !== undefined ) {
data.oldid = options.oldId;
}
const dataPromise = new mw.Api().get( data );
return dataPromise.then( ( resp ) => {
resp.veMode = 'source';
return resp;
} ).promise( { abort: dataPromise.abort } );
}
};
}() );

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