查看“Widget:NoSubpage”的源代码

<noinclude>仅供{{tl|NoSubpage}}使用</noinclude><includeonly><!--{if !isset($wgNoSubpage) || !$wgNoSubpage}--><!--{assign var="wgNoSubpage" value=true scope="global"}--><script>
window._unsubpage = true;
window.RLQ = window.RLQ || [];
window.RLQ.push(function() {
    mw.loader.implement("widgetNoSubpage", function($, jQuery) {
        if (mw.config.values.wgPageName.indexOf('/') != -1 && $('#noSubpage')[0]) {
            var unsubpageVars = $('#noSubpage')[0].dataset.vars.split('|');
            if (!unsubpageVars.length || (unsubpageVars[0] === '' && unsubpageVars.length === 1)) return;
            //
            function compare(a) {
                var l = unsubpageVars.length
                for (i = 0; i < l; i++) {
                    if (a.indexOf(unsubpageVars[i]) + unsubpageVars[i].indexOf(a) !== -2) return true;
                }
                return false;
            }
            $(function() {
                var links = mw.config.values.wgPageName.split('/'),
                    link = '',
                    subpages = $('.subpages')[0] ? $('.subpages').remove().empty() : $('<span class="subpages"/>').text('<'),
                    length = links.length - 1,
                    index,
                    prependText;
                for (index = 0, prependText = ''; index < length; index++) {
                    if (compare(links[index] + '/' + links[index + 1])) {
                        prependText += links[index] + '/';
                        continue;
                    }
                    links[index] = prependText + links[index];
                    prependText = '';
                    link += '/' + links[index];
                    subpages.append(' ').append($('<a/>', {
                        text: links[index],
                        href: link
                    }));
                    if (length - index > 1) subpages.append(" |");
                }
                if (subpages.find('a')[0]) $('#contentSub').prepend(subpages);
            });
        }
    });
});
</script><!--{/if}--></includeonly>