User:Ucucha/HarvErrors.js

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if(window.checkLinksToCitations === undefined)    window.checkLinksToCitations = true;mw.hook( 'wikipage.content' ).add( function( $content ) {    // first check: do links in Harvard citations point to a valid citation?    var href,    links = $content.find( 'a[href^="#CITEREF"]' );    links.each( function (i, elem) {    href = elem.getAttribute( 'href' ).substring(1); //skip the #    // IDs can contain characters like . that have meaning in selectors    // use $.escapeSelector to make sure they are escaped        if ( $content.find( '#' + $.escapeSelector(href) ).length < 1 && elem && elem.parentNode)            elem.parentNode.innerHTML +=                " <strong class=error>Harv error: link from " +                href +                " doesn't point to any citation.</strong>";    } );    // second check: do CITEREF IDs have Harvard citations pointing to them?    if(window.checkLinksToCitations) {        var cites = $content.find('.citation');        for(var i=0; i < cites.length; i++) {            var id = cites[i].getAttribute('id');            // we only need to check citations with a            if(!id || id.indexOf('CITEREF') !== 0)                continue;            // don't do cites that are inside a ref            var parentid = cites[i].parentNode.parentNode.getAttribute('id');            if(parentid && parentid.indexOf('cite_note') === 0)                continue;            // check for links to this citation            var query = 'a[href|="#' + $.escapeSelector(id) + '"]';            if($content.find(query).length === 0) {                cites[i].innerHTML +=                    " <strong class=warning>Harv warning: There is no link pointing to this citation. The anchor is named " + id + ".</strong>";            }        }    }});