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Hide Bot Comments

Removes comments made by bots on websites such as YouTube.

当前为 2022-02-19 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      1.3.0
  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. // @grant        none
  11. // ==/UserScript==
  12.  
  13. const SITES = Object.freeze({
  14.     YOUTUBE: [
  15.       /^\s{2,}/, // starts with too much whitespace
  16.       /^(\s*@.+)?\s*(https:\/\/[^\s]+|[\n.\s])+$/, // only links and other punctuation
  17.       /^(\s*@.+)?\s*[A-Z\s\r\n!]*https:\/\/[^\s]+[A-Z\s\r\n!]*$/, // all caps and a link
  18.       /^(\s*@.+)?\s*https:\/\/[^\s]+(\n|.|\s)*([dD]on'?t [mM]iss|Bots for u|Finally|💜|fax)/, // A link and a random message afterwards
  19.       /^(\s*@.+)?\s*(This|[Ww]ow!?)\s*https:\/\/[^\s]+/, // word + link
  20.       /^(\s*@.+)?\s*https:\/\/[^\s]+\s*[a-z]+\s*$/, // link + random "word"
  21.       /PRIVATE S\*X|over 18/, // ...
  22.       /beautyzone\.\w+|\.cam|lust\.\w+/i, // suspicious websites
  23.       /-{5,}/, // too many "-"
  24.       /SPECIAL FOR YOU|MY CONTENT/, // common phrase
  25.       (text) => {
  26.         const charSets = [
  27.           /[ᴀʙᴄᴅᴇғɢʜɪᴊᴋʟᴍɴᴏᴘᴏ̨ʀsᴛᴜᴠᴡxʏᴢ\s]/g,
  28.           /[\u1D538-\u1D56B]/g // math letter symbols
  29.         ]
  30.         const smallLatinCaps = text.match(/[ᴀʙᴄᴅᴇғɢʜɪᴊᴋʟᴍɴᴏᴘᴏ̨ʀsᴛᴜᴠᴡxʏᴢ\s]/g)?.length ?? 0;
  31.         return smallLatinCaps / text.length > 0.7 && text.length > 10;
  32.       }
  33.     ]
  34.   }),
  35.   site = getCurrentSite(),
  36.   commentMutationListener = new MutationObserver((mutations) => {
  37.     for (const mutation of mutations) {
  38.       for (const node of mutation.addedNodes) {
  39.         const text = getCommentText(node, site);
  40.         if (text) {
  41.           if (isCommentLikelyBotComment(text, site)) {
  42.             node.style.display = "none";
  43.           }
  44.         }
  45.       }
  46.     }
  47.   });
  48.  
  49. commentMutationListener.observe(document.body, {
  50.   subtree: true,
  51.   childList: true
  52. });
  53.  
  54. /**
  55.  * Determines whether a comment is likely spam.
  56.  *
  57.  * @param {String} text The comment's content
  58.  * @param {Object} site The website the comment is from
  59.  * @return {Boolean}
  60.  */
  61. function isCommentLikelyBotComment(text, siteChecks) {
  62.   for (const check of siteChecks) {
  63.     if (typeof check === "function") {
  64.       if (check(text)) {
  65.         return true;
  66.       }
  67.     } else {
  68.       // assume regex
  69.       if (check.test(text)) {
  70.         return true;
  71.       }
  72.     }
  73.   }
  74.   return false;
  75. }
  76.  
  77. function getCommentText(node, site) {
  78.   switch (site) {
  79.     case SITES.YOUTUBE: {
  80.       if (node.nodeName === "YTD-COMMENT-RENDERER") {
  81.         return node.querySelector("#content-text").textContent;
  82.       }
  83.     }
  84.   }
  85.   return null;
  86. }
  87.  
  88. function getCurrentSite() {
  89.   switch (location.hostname) {
  90.     case "www.youtube.com": {
  91.       return SITES.YOUTUBE;
  92.     }
  93.   }
  94. }