☰

remove_redirect

remove redirects in zhihu.com

  1. // ==UserScript==
  2. // @name         remove_redirect
  3. // @namespace    https://github.com/mikelxk/remove_redirect
  4. // @version      0.1.0
  5. // @author       mikelxk
  6. // @description  remove redirects in zhihu.com
  7. // @license      MIT
  8. // @icon         https://vitejs.dev/logo.svg
  9. // @match        *://*.zhihu.com/*
  10. // @grant        none
  11. // ==/UserScript==
  12.  
  13. (function () {
  14.   'use strict';
  15.  
  16.   const updatedLinks = /* @__PURE__ */ new WeakSet();
  17.   const ZHIHU_PATTERNS = [
  18.     "https://link.zhihu.com/?target=",
  19.     "http://link.zhihu.com/?target="
  20.   ];
  21.   function debounce(fn, delay) {
  22.     let timeoutId;
  23.     return (...args) => {
  24.       clearTimeout(timeoutId);
  25.       timeoutId = setTimeout(() => fn(...args), delay);
  26.     };
  27.   }
  28.   function updateLinkHref(link) {
  29.     try {
  30.       const href = link.href;
  31.       if (!ZHIHU_PATTERNS.some((pattern) => href.includes(pattern))) {
  32.         return null;
  33.       }
  34.       const urlParams = new URLSearchParams(href.split("?")[1]);
  35.       const newLink = urlParams.get("target");
  36.       if (!newLink) return null;
  37.       const decodedLink = decodeURIComponent(newLink);
  38.       link.href = decodedLink;
  39.       return decodedLink;
  40.     } catch (error) {
  41.       console.error("Error updating link:", error);
  42.       return null;
  43.     }
  44.   }
  45.   function updateAllLinks() {
  46.     const links = document.getElementsByTagName("a");
  47.     Array.from(links).forEach((link) => updateLinkHref(link));
  48.   }
  49.   const debouncedObserverCallback = debounce((mutations) => {
  50.     mutations.forEach((mutation) => {
  51.       if (mutation.type === "childList") {
  52.         mutation.addedNodes.forEach((node) => {
  53.           if (node instanceof HTMLElement) {
  54.             if (node instanceof HTMLAnchorElement) {
  55.               updateLinkHref(node);
  56.             } else {
  57.               const links = node.getElementsByTagName("a");
  58.               Array.from(links).forEach((link) => updateLinkHref(link));
  59.             }
  60.           }
  61.         });
  62.       }
  63.     });
  64.   }, 100);
  65.   document.addEventListener("DOMContentLoaded", updateAllLinks);
  66.   const observer = new MutationObserver(debouncedObserverCallback);
  67.   observer.observe(document.body, {
  68.     childList: true,
  69.     subtree: true
  70.   });
  71.   window.addEventListener("unload", () => {
  72.     observer.disconnect();
  73.   });
  74.   const listenedEvents = ["click", "mouseover"];
  75.   listenedEvents.forEach((eventName) => {
  76.     document.addEventListener(eventName, (event) => {
  77.       const target = event.target;
  78.       if (target.tagName === "A") {
  79.         const link = target;
  80.         if (!updatedLinks.has(link)) {
  81.           const newHref = updateLinkHref(link);
  82.           if (newHref) {
  83.             updatedLinks.add(link);
  84.             if (eventName === "click") {
  85.               event.preventDefault();
  86.               window.location.href = newHref;
  87.             }
  88.           }
  89.         }
  90.       }
  91.     });
  92.   });
  93.  
  94. })();