mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/SyntaxHighlight_GeSHi
synced 2024-11-27 15:50:37 +00:00
fea9546eb1
Skip empty wikilink `[[]]` and reverse pipe trick `[[|foo]]` where valid and correct title cannot be generated respectively. Bug: T368166 Change-Id: I5df409c8aa104d93a62cd5c0dbd671d598b7c79e
73 lines
2.5 KiB
JavaScript
73 lines
2.5 KiB
JavaScript
/**
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* Adapted from https://en.wiktionary.org/wiki/MediaWiki:Gadget-CodeLinks.js
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* Original authors: Kephir, Erutuon
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* License: CC-BY-SA 4.0
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*/
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$( () => {
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// by John Gruber, from https://daringfireball.net/2010/07/improved_regex_for_matching_urls
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const URLRegExp = /\b((?:https?:\/\/|www\d{0,3}[.]|[a-z0-9.-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()[\]{};:'".,<>?«»“”‘’]))/i;
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const wikilinkRegExp = /\[\[([^|{}[\]\n]+)?(?:\|.*?)?]]/;
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const templateRegExp = /\{\{([^|{}[\]\n#]+)(?=\||}})/;
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function processComment( textNode, node ) {
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let wikilinkMatch, templateMatch, URLMatch;
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if (
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( wikilinkMatch = wikilinkRegExp.exec( textNode.data ) ) ||
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( templateMatch = templateRegExp.exec( textNode.data ) ) ||
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( URLMatch = URLRegExp.exec( textNode.data ) )
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) {
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const link = document.createElement( 'a' );
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let start = ( wikilinkMatch || templateMatch || URLMatch ).index;
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let linkText, title;
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link.classList.add( 'code-link' );
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if ( URLMatch ) {
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let url = URLMatch[ 0 ];
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if ( !/^https?:/i.test( url ) ) {
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url = '//' + url;
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}
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link.href = url;
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linkText = URLMatch[ 0 ]; // Preserve visual link text as is
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} else if ( wikilinkMatch && wikilinkMatch[ 1 ] ) {
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linkText = wikilinkMatch[ 0 ];
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title = mw.Title.newFromText( wikilinkMatch[ 1 ] );
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} else if ( templateMatch ) {
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const pageName = templateMatch[ 1 ];
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start += 2; // opening braces "{{"
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linkText = pageName;
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title = mw.Title.newFromText( pageName, 10 );
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}
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if ( title ) {
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link.href = mw.util.getUrl( title.toText() );
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link.title = title.toText();
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}
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if ( link.href ) {
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const textBeforeLink = textNode.data.slice( 0, Math.max( 0, start ) ),
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textAfterLink = textNode.data.slice( Math.max( 0, start + linkText.length ) );
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textNode.data = textAfterLink;
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link.appendChild( document.createTextNode( linkText ) );
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node.insertBefore( link, textNode );
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const beforeTextNode = node.insertBefore( document.createTextNode( textBeforeLink ), link );
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processComment( beforeTextNode, node );
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processComment( textNode, node );
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}
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}
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}
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const commentClasses = [ 'c', 'c1', 'cm' ];
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Array.from( document.getElementsByClassName( 'mw-highlight' ) ).forEach( ( codeBlock ) => {
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commentClasses.forEach( ( commentClass ) => {
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Array.from( codeBlock.getElementsByClassName( commentClass ) ).forEach( ( node ) => {
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processComment( node.firstChild, node );
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} );
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} );
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} );
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} );
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