mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/SyntaxHighlight_GeSHi
synced 2024-09-23 10:19:47 +00:00
7fa3abe91e
It's common practise to use [[wikilink]] syntax to mention page names
in comments of JS/CSS/Scribunto code where the links ordinarily don't
work. Using JavaScript to actually make the syntax clickable makes
navigation easier.
{{Templates links}} and external links are also supported.
Bug: T368166
Change-Id: I999937c1f6303ecc64adb6285e73a9ce10f67bd8
62 lines
2.2 KiB
JavaScript
62 lines
2.2 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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function processComment( node ) {
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let wikilinkMatch, templateMatch, URLMatch;
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const textNode = node.firstChild; // always a text node.
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while (
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( wikilinkMatch = /\[\[([^|{}[\]\n]+)?(?:\|.*?)?]]/.exec( textNode.data ) ) ||
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( templateMatch = /\{\{([^|{}[\]\n#]+)(?=\||}})/i.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;
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link.classList.add( 'code-link' );
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if ( URLMatch ) {
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const URL = URLMatch[ 0 ];
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link.href = URL;
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linkText = URL;
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} else {
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let fullPageName;
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if ( wikilinkMatch ) {
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linkText = wikilinkMatch[ 0 ];
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fullPageName = wikilinkMatch[ 1 ];
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} else if ( templateMatch ) {
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const pageName = templateMatch[ 1 ];
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linkText = pageName;
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fullPageName = mw.config.get( 'wgFormattedNamespaces' )[ 10 ] + ':' + pageName;
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link.title = fullPageName;
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start += 2; // opening braces "{{"
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}
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link.href = mw.util.getUrl( fullPageName );
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}
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const beforeLink = textNode.data.slice( 0, Math.max( 0, start ) ),
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afterLink = textNode.data.slice( Math.max( 0, start + linkText.length ) );
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textNode.data = afterLink;
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link.appendChild( document.createTextNode( linkText ) );
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node.insertBefore( link, textNode );
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node.insertBefore( document.createTextNode( beforeLink ), link );
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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( processComment );
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} );
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} );
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} );
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