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X (Twitter) Bookmark Scroll Position Keeper

Fixes automatic scroll to top after clicking on a bookmarked post in X (formerly Twitter) Bookmarks page

  1. // ==UserScript==
  2. // @name         X (Twitter) Bookmark Scroll Position Keeper
  3. // @name:zh-CN   X (推特) 书签滚动位置保持器
  4. // @namespace    http://tampermonkey.net/
  5. // @author       Roy WU
  6. // @version      0.4
  7. // @description  Fixes automatic scroll to top after clicking on a bookmarked post in X (formerly Twitter) Bookmarks page
  8. // @description:zh-CN 修复X(前Twitter)书签页面点击书签后自动滚动到顶部的问题，保持滚动位置
  9. // @match        https://x.com/*
  10. // @match        https://twitter.com/*
  11. // @grant        none
  12. // @license      MIT
  13. // ==/UserScript==
  14.  
  15. (function() {
  16.     'use strict';
  17.     
  18.     let posY = 0;
  19.     let isBookmarksPage = false;
  20.     
  21.     // 检查当前是否在书签页面
  22.     function checkIfBookmarksPage() {
  23.         isBookmarksPage = window.location.pathname.includes('/i/bookmarks');
  24.         console.log('Is bookmarks page:', isBookmarksPage);
  25.     }
  26.     
  27.     // 监听滚动事件
  28.     function handleScroll() {
  29.         if (!isBookmarksPage) return;
  30.         
  31.         const scrollPosition = window.scrollY;
  32.         
  33.         if (window.scrollY === 0) {
  34.             console.log("back to zero!");
  35.             window.scrollTo(0, posY);
  36.         } else {
  37.             posY = scrollPosition;
  38.         }
  39.         
  40.         console.log(scrollPosition);
  41.     }
  42.     
  43.     // 初始化
  44.     function init() {
  45.         checkIfBookmarksPage();
  46.         window.addEventListener('scroll', handleScroll);
  47.     }
  48.     
  49.     // 监听 URL 变化
  50.     function observeUrlChanges() {
  51.         const observer = new MutationObserver(function(mutations) {
  52.             mutations.forEach(function(mutation) {
  53.                 if (location.href !== mutation._oldURL) {
  54.                     checkIfBookmarksPage();
  55.                 }
  56.             });
  57.         });
  58.         
  59.         observer.observe(document.body, {
  60.             childList: true,
  61.             subtree: true
  62.         });
  63.     }
  64.     
  65.     // 启动监听
  66.     init();
  67.     observeUrlChanges();
  68.     
  69.     // 使用 history API 的监听作为后备方案
  70.     window.addEventListener('popstate', checkIfBookmarksPage);
  71.     window.addEventListener('pushstate', checkIfBookmarksPage);
  72.     window.addEventListener('replacestate', checkIfBookmarksPage);
  73. })();