☰

Hide Bot Comments

Removes comments made by bots on websites such as YouTube.

当前为 2022-03-07 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      1.5.2
  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]+)(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)*(It'll blow your mind\.|[dD]on'?t [mM]iss|Bots for u|Finally|💜|fax|only until|Bots are|:]|I found it :|Do not miss this|:\)|Ye[sp] ¤? (true|exactly)|(...?$))/i, // A link and a random message afterwards
  19.       /^(\s*@.+)?\s*(This|[Ww]ow!?)\s*https:\/\/[^\s]+/, // word + link
  20.       /(IS FREAK!|IS GARBAGE!{1,}|yes\.?|THE GAME.*|After watching this video you will never love.*)(\n|\s)(\n|.)*https:\/\/[^\s]+/, // phrase + line + link
  21.       /^(\s*@.+)?\s*https:\/\/[^\s]+\s*[a-z]+\s*$/, // link + random "word"
  22.       /PRIVATE S\*X|over 18|Anna is a beautiful girl/i, // ...
  23.       /beautyzone\.\w+|\.cam|lust\.\w+|\.host/i, // suspicious websites
  24.       /-{5,}/, // too many "-"
  25.       /^(Hii|Ye|Bruhh)$/,
  26.       /SPECIAL FOR YOU|MY CONTENT|MY WORLD RECORD|(^Yes.{0,5}$)|said this to a fan|[Mm]y mom.*subscribers|literally begging|MY VIDEOS?|fucking cringe|[Dd][Oo][Nn]'?[Tt] read my name/, // common phrase
  27.       /[ㄥϛㄣƐᄅƖ⅄Λ∩┴ɹԀ˥ʞſפℲƎƆ∀ʎʍʌʇɹɯʞɾᴉɥƃɟǝɔɐ]/, // upside down chars
  28.       /^.$/, // just a single, weird character
  29.       (text) => {
  30.         const charSets = [
  31.           {
  32.             regex: /[\u{fe27}-\u{fe2f}\u{1df5}-\u{1dff}\u{1dc0}-\u{1de6}\u{1ab0}-\u{1abe}\u{0300}-\u{0333}\u{0339}-\u{033f}\u{0346}-\u{034a}\u{034b}-\u{034e}\u{0350}-\u{0357}\u{0358}-\u{035b}]/gu, // weird combining characters
  33.             matchPercent: 0.4
  34.           },
  35.           {
  36.             regex: /[ᴀʙᴄᴅᴇғɢʜɪᴊᴋʟᴍɴᴏᴘᴏ̨ʀsᴛᴜᴠᴡxʏᴢ\s]/g,
  37.             matchPercent: 0.5
  38.           },
  39.           {
  40.             regex: /[\u{1D538}-\u{1D56B}\u{1D400}-\u{1D433}]/gu, // math letter symbols
  41.             matchPercent: 0.3
  42.           },
  43.         ];
  44.         for (const check of charSets) {
  45.           const { regex, matchPercent } = check,
  46.             matches = text.match(regex)?.length ?? 0;
  47.           if (matches / text.length > matchPercent && text.length > 10) {
  48.             return true;
  49.           }
  50.         }
  51.       }
  52.     ]
  53.   }),
  54.   site = getCurrentSite(),
  55.   commentMutationListener = new MutationObserver((mutations) => {
  56.     for (const mutation of mutations) {
  57.       for (const node of mutation.addedNodes) {
  58.         const text = getCommentText(node, site);
  59.         if (text) {
  60.           if (isCommentLikelyBotComment(text, site)) {
  61.             node.style.display = "none";
  62.           }
  63.         }
  64.       }
  65.     }
  66.   });
  67.  
  68. commentMutationListener.observe(document.body, {
  69.   subtree: true,
  70.   childList: true
  71. });
  72.  
  73. /**
  74.  * Determines whether a comment is likely spam.
  75.  *
  76.  * @param {String} text The comment's content
  77.  * @param {Object} site The website the comment is from
  78.  * @return {Boolean}
  79.  */
  80. function isCommentLikelyBotComment(text, siteChecks) {
  81.   for (const check of siteChecks) {
  82.     if (typeof check === "function") {
  83.       if (check(text)) {
  84.         return true;
  85.       }
  86.     } else {
  87.       // assume regex
  88.       if (check.test(text)) {
  89.         return true;
  90.       }
  91.     }
  92.   }
  93.   return false;
  94. }
  95.  
  96. function getCommentText(node, site) {
  97.   switch (site) {
  98.     case SITES.YOUTUBE: {
  99.       if (node.nodeName === "YTD-COMMENT-RENDERER") {
  100.         return node.querySelector("#content-text").textContent;
  101.       }
  102.     }
  103.   }
  104.   return null;
  105. }
  106.  
  107. function getCurrentSite() {
  108.   switch (location.hostname) {
  109.     case "www.youtube.com": {
  110.       return SITES.YOUTUBE;
  111.     }
  112.   }
  113. }