// ==UserScript==// @name         Markdown Table Of Contents// @version      1.1// @author       Rust1667// @description  Creates a table of contents for some markdown-based websites// @match        https://rentry.co/*// @match        https://rentry.org/*// @match        https://*.reddit.com/r/*/wiki/*// @match        https://*.github.io/*// @match        https://saidit.net/s/*/wiki/*// @match        https://wiki.dbzer0.com/*// @match        https://*/*.html// @grant        none// @namespace https://greasyfork.org/users/980489// ==/UserScript==(function() {'use strict';let currentPageUrl = window.location.href;let indexContainer = null;function createIndex() {let subheaderSelector = 'h2[id], h3[id], h4[id], h5[id], h6[id]';// Check if there is more than one h1 subheaderif (document.querySelectorAll('h1[id]').length > 1) {subheaderSelector = 'h1[id], ' + subheaderSelector;}const subheaders = document.querySelectorAll(subheaderSelector);if (subheaders.length === 0) {removeIndex();return;}// Determine the highest subheader tierlet highestTier = 7; // Set to 7 to ensure padding is always greatersubheaders.forEach(subheader => {const level = parseInt(subheader.tagName[1]);if (level < highestTier) {highestTier = level;}});// Remove existing index container if it existsif (indexContainer) {indexContainer.remove();}indexContainer = document.createElement('div');indexContainer.style.position = 'fixed';indexContainer.style.top = '50%';indexContainer.style.right = '0';indexContainer.style.transform = 'translateY(-50%)'; // Adjust to center verticallyindexContainer.style.backgroundColor = getComputedStyle(document.body).getPropertyValue('background-color');indexContainer.style.border = '1px solid #ced4da';indexContainer.style.padding = '0'; // Remove paddingindexContainer.style.zIndex = '9999';indexContainer.style.maxHeight = '80vh';indexContainer.style.overflowY = 'auto';indexContainer.style.maxWidth = '200px'; // Limit maximum widthconst indexList = document.createElement('ul');indexList.style.margin = '0'; // Remove marginindexList.style.padding = '0'; // Remove paddingindexList.style.listStyleType = 'none'; // Remove bullet pointssubheaders.forEach(subheader => {const listItem = document.createElement('li');const link = document.createElement('a');let textContent = subheader.textContent.trim();// Trim long titlesif (textContent.length > 20) {textContent = textContent.substring(0, 20) + '...';}link.textContent = textContent;link.href = '#' + subheader.id;link.style.whiteSpace = 'nowrap'; // Prevent line breakslink.style.overflow = 'hidden'; // Hide overflowing textlink.style.textOverflow = 'ellipsis'; // Add ellipsis for overflowconst level = parseInt(subheader.tagName[1]);listItem.style.paddingLeft = (level - highestTier) * 2 + 'em'; // Adjust padding based on the difference from the highest tierindexList.appendChild(listItem);listItem.appendChild(link);});indexContainer.appendChild(indexList);document.body.appendChild(indexContainer);}function removeIndex() {if (indexContainer) {indexContainer.remove();indexContainer = null;}}function checkUrlChange() {const newUrl = window.location.href;if (newUrl !== currentPageUrl) {currentPageUrl = newUrl;createIndex();} else if (!document.querySelector('h1[id], h2[id], h3[id], h4[id], h5[id], h6[id]')) {// Page URL hasn't changed, but no subheaders foundremoveIndex();}}// Check if the page has subheaders that can be linked to with a URLconst hasSubheaders = document.querySelector('h1[id], h2[id], h3[id], h4[id], h5[id], h6[id]');if (hasSubheaders) {createIndex();// Uncommenting the interval checksetInterval(checkUrlChange, 1000); // Check for URL change every second}})();