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Leetcode Question Difficulty Hider

Hide the difficulty tag on a leetcode question page with a reveal option.

当前为 2024-05-24 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Leetcode Question Difficulty Hider
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.1
  5. // @description  Hide the difficulty tag on a leetcode question page with a reveal option.
  6. // @author       DoubleX
  7. // @match        https://leetcode.com/problems/*
  8. // @icon         https://www.google.com/s2/favicons?sz=64&domain=leetcode.com
  9. // @grant        none
  10. // @license      MIT
  11. // ==/UserScript==
  12.  
  13. (function() {
  14.     'use strict';
  15.  
  16.     function waitForElm(selector) {
  17.         return new Promise(resolve => {
  18.             if (document.querySelector(selector)) {
  19.                 return resolve(document.querySelector(selector));
  20.             }
  21.  
  22.             const observer = new MutationObserver(mutations => {
  23.                 if (document.querySelector(selector)) {
  24.                     observer.disconnect();
  25.                     resolve(document.querySelector(selector));
  26.                 }
  27.             });
  28.  
  29.             observer.observe(document.body, {
  30.                 childList: true,
  31.                 subtree: true
  32.             });
  33.         });
  34.     }
  35.  
  36.     function revealDiff(selector, diffcolor, difftext) {
  37.         waitForElm(selector).then((ele) => {
  38.             ele.style.backgroundColor = "black";
  39.             ele.style.color = "white";
  40.             ele.innerText = "Reveal";
  41.             ele.style.cursor = "pointer";
  42.             ele.toggled = false;
  43.             ele.onclick = (e) => {
  44.                 if (ele.toggled) {
  45.                     ele.style.backgroundColor = "black";
  46.                     ele.style.color = "white";
  47.                     ele.innerText = "Reveal";
  48.                     ele.toggled = false;
  49.                 }
  50.                 else {
  51.                     ele.style.backgroundColor = "var(--fill-secondary)";
  52.                     ele.style.color = diffcolor;
  53.                     ele.innerText = difftext;
  54.                     ele.toggled = true;
  55.                 }
  56.             }
  57.         });
  58.     }
  59.  
  60.     function setup(){
  61.         revealDiff(".text-difficulty-hard", "var(--difficulty-hard)", "Hard");
  62.         revealDiff(".text-difficulty-medium", "var(--difficulty-medium)", "Medium");
  63.         revealDiff(".text-difficulty-easy", "var(--difficulty-easy)", "Easy");
  64.     };
  65.  
  66.     if (document.readyState !== 'loading') {
  67.         setup();
  68.     } else {
  69.         document.addEventListener('DOMContentLoaded', function () {
  70.             setup();
  71.         });
  72.     }
  73. })();

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