☰

Greasy Fork is available in English.

Generate markdown files' table of contents or anchor links menu automatically

Generate markdown files' table of contents or anchor links menu automatically, make markdown files easy to read

// ==UserScript==
// @name         Generate markdown files' table of contents or anchor links menu automatically
// @namespace    http://tampermonkey.net/
// @version      0.5
// @description  Generate markdown files' table of contents or anchor links menu automatically, make markdown files easy to read
// @author       ladyrank
// @include      https://github.com/*
// @include      https://*.muc*.cn/*
// @include      https://*.zuim*.com/*
// @grant        none
// @require      https://cdn.staticfile.org/jquery/3.4.1/jquery.min.js
// ==/UserScript==

(function () {
    'use strict';

    var detect = function (){
        var links = $('a.anchor');
        var html = '';
        var $wrap = '';
        var winH = window.screen.availHeight || window.screen.height;
    
        if (!links || !links.length) {
            return false;
        }
    
        html = '<div id="wx-mkd-toc" style="z-index: 9999; position: fixed; bottom: 50px; right: 20px; background: #f2f2f2; padding: 10px; border: 1px solid #f2f2f2;"><h1 style="margin: 0; font-size: 16px;"><a href="javascript:;"><span>+</span>目录预览</a></h1><div class="wx-mkd-con" style="display: none; overflow: hidden; overflow-y: scroll; padding: 20px; max-height: '+ (winH*.5)+'px;"><ul style="margin: 0; padding: 0;">';
        $wrap = $('body');
    
        $.each(links, function (idx, item) {
            var $this = $(item);
            var $p = $this.parent();
            var tag = (($p[0] && $p[0].tagName) || '').toLowerCase();
            var tagNum = (tag || '').replace(/h/gi, '');
            var mLeft = tagNum * 10;
    
            html += '<li style="margin-left: ' + mLeft + 'px;" class="c_toc_' + tag + '"><a href="' + $this.attr('href') + '">' + $p.text() + '</a></li>'
        });
    
        html += '</ul></div></div>';
    
        $wrap.prepend(html);

        $wrap.on('click', '#wx-mkd-toc h1', function(){
            var $this = $(this);
            var $thisSpan = $this.find('span');
            var thisSpanTxt = $thisSpan.text();
            var $thisCon = $this.parent().find('.wx-mkd-con');
    
            if(thisSpanTxt.match(/\+/gi)){
                $thisCon.show();
                $thisSpan.text('-');
            } else {
                $thisCon.hide();
                $thisSpan.text('+');
            }
        });
    };

    setTimeout(function(){
        detect();
    }, 2000);

})();