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pygments.links.js
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pygments.links.js
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/**
* Adapted from https://en.wiktionary.org/wiki/MediaWiki:Gadget-CodeLinks.js
* Original authors: Kephir, Erutuon
* License: CC-BY-SA 4.0
*/
$( () => {
// by John Gruber, from https://daringfireball.net/2010/07/improved_regex_for_matching_urls
const URLRegExp = /\b((?:https?:\/\/|www\d{0,3}[.]|[a-z0-9.-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()[\]{};:'".,<>?«»“”‘’]))/i;
const wikilinkRegExp = /\[\[([^|{}[\]\n]+)?(?:\|.*?)?]]/;
const templateRegExp = /\{\{([^|{}[\]\n#]+)(?=\||}})/;
function processComment( textNode, node ) {
let wikilinkMatch, templateMatch, URLMatch;
if (
( wikilinkMatch = wikilinkRegExp.exec( textNode.data ) ) ||
( templateMatch = templateRegExp.exec( textNode.data ) ) ||
( URLMatch = URLRegExp.exec( textNode.data ) )
) {
const link = document.createElement( 'a' );
let start = ( wikilinkMatch || templateMatch || URLMatch ).index;
let linkText, title;
link.classList.add( 'code-link' );
if ( URLMatch ) {
let url = URLMatch[ 0 ];
if ( !/^https?:/i.test( url ) ) {
url = '//' + url;
}
link.href = url;
linkText = URLMatch[ 0 ]; // Preserve visual link text as is
} else if ( wikilinkMatch && wikilinkMatch[ 1 ] ) {
linkText = wikilinkMatch[ 0 ];
title = mw.Title.newFromText( wikilinkMatch[ 1 ] );
} else if ( templateMatch ) {
const pageName = templateMatch[ 1 ];
start += 2; // opening braces "{{"
linkText = pageName;
title = mw.Title.newFromText( pageName, 10 );
}
if ( title ) {
link.href = mw.util.getUrl( title.toText() );
link.title = title.toText();
}
if ( link.href ) {
const textBeforeLink = textNode.data.slice( 0, Math.max( 0, start ) ),
textAfterLink = textNode.data.slice( Math.max( 0, start + linkText.length ) );
textNode.data = textAfterLink;
link.appendChild( document.createTextNode( linkText ) );
node.insertBefore( link, textNode );
const beforeTextNode = node.insertBefore( document.createTextNode( textBeforeLink ), link );
processComment( beforeTextNode, node );
processComment( textNode, node );
}
}
}
const commentClasses = [ 'c', 'c1', 'cm' ];
Array.from( document.getElementsByClassName( 'mw-highlight' ) ).forEach( ( codeBlock ) => {
commentClasses.forEach( ( commentClass ) => {
Array.from( codeBlock.getElementsByClassName( commentClass ) ).forEach( ( node ) => {
processComment( node.firstChild, node );
} );
} );
} );
} );

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pygments.links.js (2 KB)

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