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Show Number of LeetCode Unsolved Problems

Show Number of LeetCode Unsolved Problems for the new style

  1. // ==UserScript==
  2. // @name         Show Number of LeetCode Unsolved Problems
  3. // @namespace    https://greatest.deepsurf.us/en/users/114838-groundzyy
  4. // @version      0.1
  5. // @author       groundzyy
  6. // @match        https://leetcode.com/problemset/*
  7. // @description Show Number of LeetCode Unsolved Problems for the new style
  8. // ==/UserScript==
  9.  
  10. (function() {
  11.     'use strict';
  12.      observeDomChange();
  13. })();
  14.  
  15. function observeDomChange() {
  16.     var MutationObserver = window.MutationObserver;
  17.     var myObserver       = new MutationObserver (mutationHandler);
  18.     var obsConfig        = {
  19.         childList: true, attributes: true,
  20.         subtree: true,   attributeFilter: ['list-group']
  21.     };
  22.     myObserver.observe(document, obsConfig);
  23.     function mutationHandler (mutationRecords) {
  24.         if ($('#welcome > span').length == 1) {
  25.             info = $('#welcome > span > span:nth-child(1)').text().split(" ");
  26.             num_finished = Number(info[0].split('/')[0]);
  27.             num_questions = Number(info[0].split('/')[1]);
  28.             $('#welcome').append('<br/><span>' + num_finished + "/" + num_questions + ' (' + (num_questions - num_finished) + ')</span>');
  29.         }
  30.     }
  31. }