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Hide Bot Comments

Removes comments made by bots on websites such as YouTube.

当前为 2022-02-14 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Hide Bot Comments
  3. // @namespace    https://theusaf.org
  4. // @version      1.1.0
  5. // @description  Removes comments made by bots on websites such as YouTube.
  6. // @author       theusaf
  7. // @match        https://www.youtube.com/**
  8. // @copyright    2022 theusaf
  9. // @license      MIT
  10. // @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
  11. // @grant        none
  12. // ==/UserScript==
  13.  
  14. const SITES = Object.freeze({
  15.     YOUTUBE: [
  16.       /^\s{2,}/,
  17.       /^https:\/\/[^\s]+$/,
  18.       (text) => {
  19.         const smallLatinCaps = text.match(/[ᴀʙᴄᴅᴇғɢʜɪᴊᴋʟᴍɴᴏᴘᴏ̨ʀsᴛᴜᴠᴡxʏᴢ\s]/g)?.length ?? 0;
  20.         return smallLatinCaps / text.length > 0.7 && text.length > 10;
  21.       }
  22.     ]
  23.   }),
  24.   site = getCurrentSite(),
  25.   commentMutationListener = new MutationObserver((mutations) => {
  26.     for (const mutation of mutations) {
  27.       for (const node of mutation.addedNodes) {
  28.         const text = getCommentText(node, site);
  29.         if (text) {
  30.           if (isCommentLikelyBotComment(text, site)) {
  31.             node.style.display = "none";
  32.           }
  33.         }
  34.       }
  35.     }
  36.   });
  37.  
  38. commentMutationListener.observe(document.body, {
  39.   subtree: true,
  40.   childList: true
  41. });
  42.  
  43. /**
  44.  * Determines whether a comment is likely spam.
  45.  *
  46.  * @param {String} text The comment's content
  47.  * @param {Object} site The website the comment is from
  48.  * @return {Boolean}
  49.  */
  50. function isCommentLikelyBotComment(text, siteChecks) {
  51.   for (const check of siteChecks) {
  52.     if (typeof check === "function") {
  53.       if (check(text)) {
  54.         return true;
  55.       }
  56.     } else {
  57.       // assume regex
  58.       if (check.test(text)) {
  59.         return true;
  60.       }
  61.     }
  62.   }
  63.   return false;
  64. }
  65.  
  66. function getCommentText(node, site) {
  67.   switch (site) {
  68.     case SITES.YOUTUBE: {
  69.       if (node.nodeName === "YTD-COMMENT-RENDERER") {
  70.         return node.querySelector("#content-text").textContent;
  71.       }
  72.     }
  73.   }
  74.   return null;
  75. }
  76.  
  77. function getCurrentSite() {
  78.   switch (location.hostname) {
  79.     case "www.youtube.com": {
  80.       return SITES.YOUTUBE;
  81.     }
  82.   }
  83. }