Benutzer:Janomoogo/duplinks.js

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//This script uses code from https://en.wikipedia.org/wiki/User:Evad37/duplinks-alt.js and https://en.wikipedia.org/wiki/User:Ucucha/duplinks.js
$(function($) {
    mw.loader.using('mediawiki.util').then(function() {
        var portletLink = mw.util.addPortletLink('p-tb', '#', 'Doppelte Links finden', 'ca-findduplicatelinks');

        $(portletLink).click(function(e) {
            e.preventDefault();
            var $content = $('.mw-parser-output');

            // Objects to keep track of whether we've seen a link before, and which links are duplicated
            var seen = {};
            var duplicated = {};
            var hasDuplicatedLinks = false;

            // Styles
            mw.util.addCSS('.duplicate-link { border: 1px solid red; }\n .duplicated-link { border: 1px dashed green; }');

            // Detect and mark links which are duplicates
            var findDups = function() {
                var href = this.attributes.href && this.attributes.href.value;

                if (href != undefined && href.indexOf('#') != 0) {
                    if (seen[href]) {
                        this.classList.add('duplicate-link');
                        duplicated[href] = true;
                        hasDuplicatedLinks = true;
                    }
                    else {
                        seen[href] = true;
                    }
                }
            };

            // Detect and mark the first occurance of duplicated links
            var markDups = function() {
                var href = this.attributes.href && this.attributes.href.value;

                if (href != undefined && href.indexOf('#') != 0) {
                    if (duplicated[href]) {
                        this.classList.add('duplicated-link');
                        duplicated[href] = '';
                    }
                }
            };

            // Kanon-Tab
            mw.util.$content.find('.tab-kanon a').not('.infobox *, .navContent *, li *, .jp-zitat *, .jp-dialog *, .NavFrame *, .thumb *, .qmtemplatestart *, table *, .noprint *').each(findDups);
            mw.util.$content.find('.tab-kanon a').not('.infobox *, .navContent *, li *, .jp-zitat *, .jp-dialog *, .NavFrame *, .thumb *, .qmtemplatestart *, table *, .noprint *').each(markDups);
            
            // Legends-Tab
            seen = {};
            duplicated = {};
            mw.util.$content.find('.tab-legends a').not('.infobox *, .navContent *, li *, .jp-zitat *, .jp-dialog *, .NavFrame *, .thumb *, .qmtemplatestart *, table *, .noprint *').each(findDups);
            mw.util.$content.find('.tab-legends a').not('.infobox *, .navContent *, li *, .jp-zitat *, .jp-dialog *, .NavFrame *, .thumb *, .qmtemplatestart *, table *, .noprint *').each(markDups);

            // HdK-Tab
            seen = {};
            duplicated = {};
            mw.util.$content.find('.tab-hdk > li a').each(findDups);
            mw.util.$content.find('.tab-hdk > li a').each(markDups);


            // Show a notice if no duplicates were found
            if (!hasDuplicatedLinks) {
                mw.notify('Keine doppelten Links gefunden');
            }
        });
    });
});