☰

Disable blank target

在当前页面打开同域名超链接，而不是跳转新页面，适配所有网站，包括头条和网易。Disable open links in a new window/tab(based on the hostname).

  1. // ==UserScript==
  2. // @name         Disable blank target
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.4
  5. // @description  在当前页面打开同域名超链接，而不是跳转新页面，适配所有网站，包括头条和网易。Disable open links in a new window/tab(based on the hostname).
  6. // @author       Logan Wang
  7. // @copyright    Logan Wang
  8. // @homepage     https://github.com/azone
  9. // @license      MIT
  10. // @match        http*://*/*
  11. // @icon         none
  12. // @grant        none
  13. // @run-at       document-start
  14. // ==/UserScript==
  15.  
  16. (function() {
  17.     'use strict';
  18.  
  19.     const neteasyRe = /163\.com$/
  20.     const toutiaoRe = /toutiao\.com$/
  21.  
  22.     const originalURL = window.location;
  23.  
  24.     if (toutiaoRe.test(originalURL.host)) {
  25.         const listener = document.addEventListener;
  26.         document.addEventListener = (event, listenerFunc, options) => {
  27.             if (event !== 'click') {
  28.                 listener(event, listenerFunc, options);
  29.             }
  30.         };
  31.     }
  32.  
  33.     function shouldRemove(element) {
  34.         const href = element.href;
  35.         if (!href) {
  36.             return false;
  37.         }
  38.  
  39.         const url = new URL(href);
  40.         return !url.host || url.host === originalURL.host || neteasyRe.test(url.host);
  41.     }
  42.  
  43.     function removeBlankTargetIfNecessary(rootElement) {
  44.         const selector = rootElement.querySelectorAll;
  45.         if (!selector) {
  46.             return;
  47.         }
  48.  
  49.         const elements = rootElement.querySelectorAll('a[target="_blank"]');
  50.         for (const element of elements) {
  51.             if (shouldRemove(element)) {
  52.                 element.removeAttribute('target');
  53.             }
  54.         }
  55.     }
  56.  
  57.     function removeBaseElements() {
  58.         const baseElements = document.querySelectorAll('base[target="_blank"]');
  59.         for (const base of baseElements) {
  60.             base.parentNode.removeChild(base);
  61.         }
  62.     }
  63.  
  64.     function processElements() {
  65.         removeBlankTargetIfNecessary(document);
  66.  
  67.         removeBaseElements();
  68.     }
  69.  
  70.     if (document.readyState === "loading") {
  71.         document.addEventListener('DOMContentLoaded', (e) => {
  72.             processElements();
  73.         });
  74.     } else {
  75.         processElements();
  76.     }
  77.  
  78.     function observeChanges(records, observer) {
  79.         for (const record of records) {
  80.             if (record.type === 'attributes') {
  81.                 if (record.attributeName === 'target' && record.target.getAttribute(record.attributeName) === '_blank') {
  82.                     if (shouldRemove(record.target)) {
  83.                         record.target.removeAttribute(record.attributeName);
  84.                     } else if (record.target.nodeName === 'BASE') {
  85.                         record.target.parentNode.removeChild(record.target);
  86.                     }
  87.                 }
  88.             } else if (record.addedNodes.length > 0) {
  89.                 for (const node of record.addedNodes) {
  90.                     if (node.nodeName === 'A' && shouldRemove(node)) {
  91.                         node.removeAttribute('target');
  92.                     } else if (node.nodeName === 'BASE' && node.getAttribute('target') === '_blank') {
  93.                         node.parentNode.removeChild(node);
  94.                     } else {
  95.                         removeBlankTargetIfNecessary(node);
  96.                     }
  97.                 }
  98.             }
  99.         }
  100.     }
  101.  
  102.     const observer = new MutationObserver(observeChanges);
  103.     observer.observe(document, {attributes: true, subtree: true, childList: true});
  104. })();