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Zhihu Link Archiver

Adds a button beside Zhihu answer/article links to archive them to Archive.org

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  1. // ==UserScript==
  2. // @name         Zhihu Link Archiver
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.3
  5. // @author       Jarrett Ye
  6. // @license      MIT
  7. // @description  Adds a button beside Zhihu answer/article links to archive them to Archive.org
  8. // @match        https://www.zhihu.com/*
  9. // @match        https://zhuanlan.zhihu.com/*
  10. // @icon         https://www.google.com/s2/favicons?domain=zhihu.com
  11. // @grant        none
  12. // ==/UserScript==
  13.  
  14. function createArchiveZhihuButton(link) {
  15.     const button = document.createElement('a');
  16.     button.textContent = '保存到 Archive';
  17.     button.className = 'archive-zhihu-button';
  18.     button.style.cssText = `
  19.         margin-left: 10px;
  20.         padding: 2px;
  21.         background-color: #0084ff;
  22.         text-align: center;
  23.         color: white;
  24.         min-width: 82px;
  25.         border-radius: 3px;
  26.         font-size: 12px;
  27.         text-decoration: none;
  28.         transition: all 0.3s ease;
  29.     `;
  30.     button.addEventListener('click', (e) => {
  31.         e.preventDefault();
  32.         const archiveLink = link.replace('.zhihu.com', '.fxzhihu.com');
  33.         window.open('https://web.archive.org/save/' + archiveLink, '_blank');
  34.         button.textContent = '已打开';
  35.         setTimeout(() => {
  36.             button.textContent = '保存到 Archive';
  37.         }, 1000);
  38.     });
  39.     button.href = 'javascript:void(0)';
  40.     return button;
  41. }
  42.  
  43. (function () {
  44.     'use strict';
  45.  
  46.     function addArchiveZhihuButton() {
  47.         const answerItems = target.querySelectorAll('.ContentItem.AnswerItem');
  48.         answerItems.forEach(item => {
  49.             if (item.querySelector('.archive-zhihu-button')) return;
  50.  
  51.             let link = item.querySelector('.ContentItem-title a');
  52.             if (!link) {
  53.                 link = item.querySelector('.ContentItem-time a');
  54.             }
  55.             if (!link) {
  56.                 link = item.querySelector('meta[itemprop="url"]').baseURI;
  57.             } else {
  58.                 link = link.href;
  59.             }
  60.             const actions = item.querySelector('.ContentItem-actions');
  61.             actions.insertBefore(createArchiveZhihuButton(link), actions.firstChild.nextSibling);
  62.         });
  63.  
  64.         const articleItems = target.querySelectorAll('.ContentItem.ArticleItem');
  65.         articleItems.forEach(item => {
  66.             if (item.querySelector('.archive-zhihu-button')) return;
  67.             let link = item.querySelector('.ContentItem-title a');
  68.             if (!link) {
  69.                 link = item.querySelector('.ContentItem-time a');
  70.             }
  71.             const actions = item.querySelector('.ContentItem-actions');
  72.             actions.insertBefore(createArchiveZhihuButton(link.href), actions.firstChild.nextSibling);
  73.         });
  74.  
  75.         const pinItems = target.querySelectorAll('.ContentItem.PinItem');
  76.         pinItems.forEach(item => {
  77.             if (item.querySelector('.archive-zhihu-button')) return;
  78.             let link = item.querySelector('.ContentItem-title a');
  79.             if (!link) {
  80.                 link = item.querySelector('.ContentItem-time a');
  81.             }
  82.             const actions = item.querySelectorAll('.ContentItem-actions')[1];
  83.             actions.insertBefore(createArchiveZhihuButton(link.href), actions.firstChild.nextSibling);
  84.         });
  85.     }
  86.  
  87.     if (window.location.hostname.startsWith('zhuanlan.zhihu.com')) {
  88.         const actions = document.querySelector('.ContentItem-actions');
  89.         actions.insertBefore(createArchiveZhihuButton(window.location.href), actions.firstChild.nextSibling);
  90.         return;
  91.     }
  92.  
  93.     const target = document.querySelector('.ListShortcut');
  94.     if (!target) {
  95.         return;
  96.     }
  97.     // Run the function initially
  98.     addArchiveZhihuButton();
  99.  
  100.     // Create a MutationObserver to watch for changes in the DOM
  101.     const observer = new MutationObserver(addArchiveZhihuButton);
  102.  
  103.     // Start observing the document with the configured parameters
  104.     observer.observe(target, { childList: true, subtree: true });
  105. })();