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Leetcode problem pass rate

Add the pass rate of Leetcode problems

当前为 2020-05-19 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Leetcode problem pass rate
  3. // @namespace    https://github.com/rustberry
  4. // @version      0.1
  5. // @description  Add the pass rate of Leetcode problems
  6. // @author       Rust
  7. // @match        https://leetcode.com/problems/*
  8. // @grant        none
  9. // ==/UserScript==
  10.  
  11. (function() {
  12.     'use strict';
  13.     function addRate() {
  14.         let arr = document.querySelectorAll(".css-oqu510")
  15.         console.log(arr)
  16.         var ac = arr[0].lastElementChild.textContent
  17.         var sub = arr[1].lastElementChild.textContent
  18.         console.log(ac, sub)
  19.  
  20.         ac = parseInt(ac.replace(/,/g, ''))
  21.         sub = parseInt(sub.replace(/,/g, ''))
  22.         console.log(ac, sub)
  23.         var res = ac/sub * 100
  24.         res = res.toPrecision(4) + "%"
  25.  
  26.         var parent = document.querySelector("#app > div > div.main__2_tD > div.content__3fR6 > div > div.side-tools-wrapper__1TS9 > div > div.css-9z7f7i-Container.e5i1odf0 > div.css-jtoecv > div > div.tab-pane__ncJk.css-xailxq-TabContent.e5i1odf5 > div > div:nth-child(3) > div.css-12aggky")
  27.         var html = 
  28.             '<div class="css-oqu510"><div class="css-y3si18">Rate</div><div class="css-jkjiwi">'
  29.             + res + '</div></div>'
  30.  
  31.         parent.insertAdjacentHTML('beforeend', html)
  32.     }
  33.     
  34.     function waitForElement(selector) {
  35.         var timeout = 60000  // wait for at most 1 minute
  36.         var start = performance.now();
  37.         var now = 0;
  38.  
  39.         return new Promise(function (resolve, reject) {
  40.             var interval = setInterval(function () {
  41.                 var element = document.querySelectorAll(selector);
  42.  
  43.                 if (element !== null && element.length >= 2) {
  44.                     clearInterval(interval);
  45.                     console.log("Exists!");
  46.                     addRate()
  47.                     resolve();
  48.                 }
  49.  
  50.                 now = performance.now();
  51.  
  52.                 if (now - start >= timeout) {
  53.                     reject("Could not find the element " + selector + " within " + timeout + " ms");
  54.                 }
  55.             }, 100);  // check every 100ms
  56.         });
  57.     }
  58.     
  59.     waitForElement(".css-oqu510")
  60. })();