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hideLeetCodePlus

Hide Leetcode Plus Problems

  1. // ==UserScript==
  2. // @name         hideLeetCodePlus
  3. // @name:zh-CN   隐藏力扣Plus题目
  4. // @namespace    mailto: fish404hsif@gmail.com
  5. // @version      0.4.2
  6. // @license      MIT
  7. // @description  Hide Leetcode Plus Problems
  8. // @description:zh-CN 隐藏 Leetcode Plus 题目
  9. // @author       fish-404
  10. // @match        https://leetcode.cn/problemset/*
  11. // @match        https://leetcode.cn/tag/*
  12. // @match        https://leetcode.cn/problem-list/*
  13. // @match        https://leetcode.com/problemset/*
  14. // @match        https://leetcode.com/problem-list/*
  15. // @icon         https://www.google.com/s2/favicons?sz=64&domain=leetcode.cn
  16. // @grant        none
  17. // ==/UserScript==
  18.  
  19. (function() {
  20.     'use strict';
  21.     const url = window.location.href;
  22.     let problemsNode, tagFlag, observer;
  23.  
  24.     const config = {
  25.         subtree: true
  26.         , childList: true
  27.     };
  28.  
  29.     if (url.includes("tag")) { // problemsets with tags
  30.         console.log("tag: true");
  31.         const container = document.querySelector("div#lc-content");
  32.         observer = new MutationObserver(()=>{
  33.             let tbody = document.querySelector("tbody.ant-table-tbody");
  34.             if (tbody) {
  35.                 const innerObserver = new MutationObserver(hidePlusProblemsWithTag);
  36.                 innerObserver.observe(container, config);
  37.             }
  38.         });
  39.         observer.observe(container, config);
  40.     }
  41.     else {
  42.         problemsNode = document.querySelector("div[role='table']");
  43.         observer = new MutationObserver(hidePlusProblemsWithoutTag);
  44.         observer.observe(problemsNode, config);
  45.     }
  46. })();
  47.  
  48. function hidePlusProblemsWithoutTag(mutationList, observer) {
  49.     let preTargetRow;
  50.     mutationList.forEach((mutation) => {
  51.         let target;
  52.         if (mutation.addedNodes.length > 0) {
  53.             target = mutation.addedNodes[0];
  54.         }
  55.         else {
  56.             target = mutation.target;
  57.         }
  58.         let curTargetRow = target.closest("div[role='row']");
  59.         if (curTargetRow !== null && curTargetRow !== preTargetRow) {
  60.             preTargetRow = curTargetRow;
  61.             let searchPlus = curTargetRow.querySelector("svg.text-brand-orange");
  62.             changeElementDisplay(curTargetRow, searchPlus === null);
  63.         }
  64.     });
  65. }
  66.  
  67. function hidePlusProblemsWithTag(mutationList) {
  68.     mutationList.forEach((mutation) => {
  69.         console.log(mutation);
  70.         if (mutation.addedNodes.length > 0) {
  71.             let curTargetRow = mutation.addedNodes[0];
  72.             let searchPlus = curTargetRow.querySelector("img[alt='plus']");
  73.             console.log(searchPlus);
  74.             if (searchPlus) {
  75.                 curTargetRow.style.display = "none";
  76.             }
  77.         }
  78.     });
  79. }
  80.  
  81. function changeElementDisplay(element, displayOrNot) {
  82.     const SHOW = "flex", HIDE = "none";
  83.     element.style.display = displayOrNot ? SHOW : HIDE;
  84. }