mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-12-05 03:08:37 +00:00
877d1e3359
De-duplicates the two implementations we had. Bug: T253584 Change-Id: If5d15dd4e7e0d3704ca8d75c0a25c529b06f17fb
270 lines
9.5 KiB
JavaScript
270 lines
9.5 KiB
JavaScript
/*!
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* Parsoid utilities.
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*
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* @copyright 2011-2020 VisualEditor Team and others; see http://ve.mit-license.org
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*/
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mw.libs.ve = mw.libs.ve || {};
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/**
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* Resolve a URL relative to a given base.
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*
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* Copied from ve.resolveUrl
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*
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* @param {string} url URL to resolve
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* @param {HTMLDocument} base Document whose base URL to use
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* @return {string} Resolved URL
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*/
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mw.libs.ve.resolveUrl = function ( url, base ) {
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var node = base.createElement( 'a' );
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node.setAttribute( 'href', url );
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// If doc.baseURI isn't set, node.href will be an empty string
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// This is crazy, returning the original URL is better
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return node.href || url;
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};
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/**
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* Decode a URI component into a mediawiki article title
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*
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* N.B. Illegal article titles can result from fairly reasonable input (e.g. "100%25beef");
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* see https://phabricator.wikimedia.org/T137847 .
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*
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* @param {string} s String to decode
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* @param {boolean} [preserveUnderscores] Don't convert underscores to spaces
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* @return {string} Decoded string, or original string if decodeURIComponent failed
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*/
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mw.libs.ve.decodeURIComponentIntoArticleTitle = function ( s, preserveUnderscores ) {
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try {
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s = decodeURIComponent( s );
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} catch ( e ) {
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return s;
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}
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if ( preserveUnderscores ) {
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return s;
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}
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return s.replace( /_/g, ' ' );
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};
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/**
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* Unwrap Parsoid sections
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*
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* @param {HTMLElement} element Parent element, e.g. document body
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* @param {string} [keepSection] Section to keep
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*/
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mw.libs.ve.unwrapParsoidSections = function ( element, keepSection ) {
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Array.prototype.forEach.call( element.querySelectorAll( 'section[data-mw-section-id]' ), function ( section ) {
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var parent = section.parentNode,
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sectionId = section.getAttribute( 'data-mw-section-id' );
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// Copy section ID to first child (should be a heading)
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// Pseudo-sections (with negative section IDs) may not have a heading
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if ( sectionId !== null && +sectionId > 0 ) {
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section.firstChild.setAttribute( 'data-mw-section-id', sectionId );
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}
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if ( keepSection !== undefined && sectionId === keepSection ) {
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return;
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}
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while ( section.firstChild ) {
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parent.insertBefore( section.firstChild, section );
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}
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parent.removeChild( section );
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} );
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};
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/**
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* Strip legacy (non-HTML5) IDs; typically found as section IDs inside
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* headings.
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*
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* @param {HTMLElement} element Parent element, e.g. document body
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*/
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mw.libs.ve.stripParsoidFallbackIds = function ( element ) {
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Array.prototype.forEach.call( element.querySelectorAll( 'span[typeof="mw:FallbackId"][id]:empty' ), function ( legacySpan ) {
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legacySpan.parentNode.removeChild( legacySpan );
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} );
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};
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mw.libs.ve.restbaseIdRegExp = /^mw[a-zA-Z0-9\-_]{2,6}$/;
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mw.libs.ve.stripRestbaseIds = function ( doc ) {
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var restbaseIdRegExp = mw.libs.ve.restbaseIdRegExp;
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Array.prototype.forEach.call( doc.querySelectorAll( '[id^="mw"]' ), function ( element ) {
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if ( element.id.match( restbaseIdRegExp ) ) {
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element.removeAttribute( 'id' );
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}
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} );
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};
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/**
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* Fix fragment links which should be relative to the current document
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*
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* This prevents these links from trying to navigate to another page,
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* or open in a new window.
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*
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* Call this after ve.targetLinksToNewWindow, as it removes the target attribute.
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* Call this after LinkCache.styleParsoidElements, as it breaks that method by including the query string.
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*
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* @param {HTMLElement} container Parent element, e.g. document body
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* @param {mw.Title} docTitle Current title, only links to this title will be normalized
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* @param {string} [prefix] Prefix to add to fragment and target ID to avoid collisions
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*/
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mw.libs.ve.fixFragmentLinks = function ( container, docTitle, prefix ) {
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var docTitleText = docTitle.getPrefixedText();
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prefix = prefix || '';
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Array.prototype.forEach.call( container.querySelectorAll( 'a[href*="#"]' ), function ( el ) {
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var target, title,
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fragment = new mw.Uri( el.href ).fragment,
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targetData = mw.libs.ve.getTargetDataFromHref( el.href, el.ownerDocument );
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if ( targetData.isInternal ) {
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title = mw.Title.newFromText( targetData.title );
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if ( title && title.getPrefixedText() === docTitleText ) {
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if ( !fragment ) {
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// Special case for empty fragment, even if prefix set
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el.setAttribute( 'href', '#' );
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} else {
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if ( prefix ) {
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target = container.querySelector( '#' + $.escapeSelector( fragment ) );
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// There may be multiple links to a specific target, so check the target
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// hasn't already been fixed (in which case it would be null)
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if ( target ) {
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target.setAttribute( 'id', prefix + fragment );
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}
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}
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el.setAttribute( 'href', '#' + prefix + fragment );
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}
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el.removeAttribute( 'target' );
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}
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}
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} );
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};
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/**
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* Parse URL to get title it points to.
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*
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* @param {string} href
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* @param {HTMLDocument|string} doc Document whose base URL to use, or base URL as a string.
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* @return {Object} Information about the given href
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* @return {string} return.title
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* The title of the internal link, else the original href if href is external
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* @return {string} return.rawTitle
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* The title without URL decoding and underscore normalization applied
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* @return {boolean} return.isInternal
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* True if the href pointed to the local wiki, false if href is external
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*/
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mw.libs.ve.getTargetDataFromHref = function ( href, doc ) {
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var relativeBase, relativeBaseRegex, relativeHref, isInternal, matches, data, uri;
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function regexEscape( str ) {
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return str.replace( /([.?*+^$[\]\\(){}|-])/g, '\\$1' );
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}
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// Protocol relative href
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relativeHref = href.replace( /^https?:/i, '' );
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// Paths without a host portion are assumed to be internal
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isInternal = !/^\/\//.test( relativeHref );
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// Check if this matches the server's article path
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// Protocol relative base
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relativeBase = mw.libs.ve.resolveUrl( mw.config.get( 'wgArticlePath' ), doc ).replace( /^https?:/i, '' );
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relativeBaseRegex = new RegExp( regexEscape( relativeBase ).replace( regexEscape( '$1' ), '(.*)' ) );
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matches = relativeHref.match( relativeBaseRegex );
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if ( matches && matches[ 1 ].split( '#' )[ 0 ].indexOf( '?' ) === -1 ) {
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// Take the relative path
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href = matches[ 1 ];
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isInternal = true;
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}
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// Check if this matches the server's script path (as used by red links)
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relativeBase = mw.libs.ve.resolveUrl( mw.config.get( 'wgScript' ), doc ).replace( /^https?:/i, '' );
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if ( relativeHref.indexOf( relativeBase ) === 0 ) {
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uri = new mw.Uri( relativeHref );
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if ( Object.keys( uri.query ).length === 1 && uri.query.title ) {
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href = uri.query.title;
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isInternal = true;
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} else if ( Object.keys( uri.query ).length === 3 && uri.query.title && uri.query.action === 'edit' && uri.query.redlink === '1' ) {
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href = uri.query.title;
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isInternal = true;
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} else {
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href = relativeHref;
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isInternal = false;
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}
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}
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// This href doesn't necessarily come from Parsoid (and it might not have the "./" prefix), but
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// this method will work fine.
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data = mw.libs.ve.parseParsoidResourceName( href );
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data.isInternal = isInternal;
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return data;
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};
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/**
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* Expand a string of the form jquery.foo,bar|jquery.ui.baz,quux to
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* an array of module names like [ 'jquery.foo', 'jquery.bar',
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* 'jquery.ui.baz', 'jquery.ui.quux' ]
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*
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* Implementation of ResourceLoaderContext::expandModuleNames
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* TODO: Consider upstreaming this to MW core.
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*
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* @param {string} moduleNames Packed module name list
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* @return {string[]} Array of module names
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*/
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mw.libs.ve.expandModuleNames = function ( moduleNames ) {
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var modules = [];
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moduleNames.split( '|' ).forEach( function ( group ) {
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var matches, prefix, suffixes;
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if ( group.indexOf( ',' ) === -1 ) {
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// This is not a set of modules in foo.bar,baz notation
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// but a single module
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modules.push( group );
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} else {
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// This is a set of modules in foo.bar,baz notation
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matches = group.match( /(.*)\.([^.]*)/ );
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if ( !matches ) {
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// Prefixless modules, i.e. without dots
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modules = modules.concat( group.split( ',' ) );
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} else {
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// We have a prefix and a bunch of suffixes
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prefix = matches[ 1 ];
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suffixes = matches[ 2 ].split( ',' ); // [ 'bar', 'baz' ]
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suffixes.forEach( function ( suffix ) {
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modules.push( prefix + '.' + suffix );
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} );
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}
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}
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} );
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return modules;
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};
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/**
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* Split Parsoid resource name into the href prefix and the page title.
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*
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* @param {string} resourceName Resource name, from a `href` or `resource` attribute
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* @return {Object} Object with the following properties:
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* @return {string} return.title Full page title in text form (with namespace, and spaces instead of underscores)
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* @return {string} return.rawTitle The title without URL decoding and underscore normalization applied
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*/
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mw.libs.ve.parseParsoidResourceName = function ( resourceName ) {
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// Resource names are always prefixed with './' to prevent the MediaWiki namespace from being
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// interpreted as a URL protocol, consider e.g. 'href="./File:Foo.png"'.
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// (We accept input without the prefix, so this can also take plain page titles.)
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var matches = resourceName.match( /^(\.\/|)(.*)$/ );
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return {
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// '%' and '?' are valid in page titles, but normally URI-encoded. This also changes underscores
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// to spaces.
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title: mw.libs.ve.decodeURIComponentIntoArticleTitle( matches[ 2 ] ),
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rawTitle: matches[ 2 ]
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};
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};
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/**
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* Extract the page title from a Parsoid resource name.
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*
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* @param {string} resourceName Resource name, from a `href` or `resource` attribute
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* @return {string} Full page title in text form (with namespace, and spaces instead of underscores)
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*/
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mw.libs.ve.normalizeParsoidResourceName = function ( resourceName ) {
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return mw.libs.ve.parseParsoidResourceName( resourceName ).title;
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};
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