Zhihu Right Sidebar Remover 知乎侧边栏去除

zhihu-hide-sidebar.user.js

// ==UserScript==
// @name         Zhihu Right Sidebar Remover
// @namespace    http://tampermonkey.net/
// @version      0.5
// @description  Robustly finds the sidebar by its data-attribute and removes it, watching for all DOM changes.
// @author       Gemini
// @match        https://www.zhihu.com/*
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';

    const sidebarSelector = 'div[data-za-detail-view-path-module="RightSideBar"]';
    const contentSelectors = '.Topstory-mainColumn, .Question-mainColumn';

    // 1. First line of defense: CSS to hide it immediately and expand content.
    GM_addStyle(`
        ${contentSelectors} {
            width: 100% !important;
        }
        ${sidebarSelector} {
            display: none !important;
        }
    `);

    function removeRightSidebar() {
        const sidebar = document.querySelector(sidebarSelector);
        if (sidebar) {
            sidebar.remove();
        }
    }

    // 2. Second line of defense: Run removal on an interval for the first second.
    const initialCheck = setInterval(removeRightSidebar, 100);
    setTimeout(() => clearInterval(initialCheck), 1000);
    document.addEventListener('DOMContentLoaded', removeRightSidebar);


    // 3. Final and most robust line of defense: A MutationObserver watching everything.
    const observer = new MutationObserver(() => {
        removeRightSidebar();
    });

    // Observe the entire document body for any changes to the element tree or attributes.
    observer.observe(document.body, {
        childList: true,
        subtree: true,
        attributes: true
    });

})();