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Hide Bot Comments

Removes comments made by bots on websites such as YouTube.

当前为 2022-03-15 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      1.6.1
  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.       // starts with too much whitespace
  16.       /^\s{2,}/,
  17.       // only links and other punctuation
  18.       /^(\s*@.+)?\s*(https:\/\/[^\s]+)(https:\/\/[^\s]+|\n.\s])+$/,
  19.       // all caps and a link
  20.       /^(\s*@.+)?\s*[A-Z\s\r\n!]*https:\/\/[^\s]+[A-Z\s\r\n!]*$/,
  21.       // A link and a random message afterwards
  22.       /^(\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)|(...?$))/i,
  23.       // word + link
  24.       /^(\s*@.+)?\s*(This|[Ww]ow!?)\s*https:\/\/[^\s]+/,
  25.       // phrase + line + link
  26.       /([\u0401\u0451\u0410-\u044f,.:]{15,}.*|EXPOSED:|IS FREAK!|IS GARBAGE!{1,}|shocking truth.*|his subscribers.*|will stop watching.*|yes\.?|THE GAME.*|After watching this video you will never love.*)(\n|\s)(\n|.)*https:\/\/[^\s]+/,
  27.       // link + random "word"
  28.       /^(\s*@.+)?\s*https:\/\/[^\s]+\s*[a-z]+\s*$/,
  29.       // link with a star at the end??
  30.       /https:\/\/youtu.be\/\w+\*/,
  31.       // ...
  32.       /PRIVATE S\*X|over 18|Anna is a beautiful girl/i,
  33.       // suspicious websites
  34.       /beautyzone\.\w+|\.cam|lust\.\w+|\.host|asian\w*\.\w+|\w*teen\.\w+/i,
  35.       // too many "-"
  36.       /-{5,}/,
  37.       // single, somewhat strange word
  38.       /^(Hii|Ye|Bruhh|Aawww)$/,
  39.       // common phrase
  40.       /SPECIAL FOR YOU|small channel trying to grow| YouT\*ber|MY CONTENT|My video|pedophile😱|MY WORLD RECORD|(^Yes.{0,5}$)|said this to a fan|[Mm]y mom.*subscribers|literally begging|MY VIDEOS?|fucking cringe|[Dd][Oo][Nn]'?[Tt] read my name/,
  41.       // replies to this bot
  42.       /@Don'?t read my/i,
  43.       // upside down chars
  44.       /[ㄥϛㄣƐᄅƖ⅄Λ∩┴ɹԀ˥ʞſפℲƎƆ∀ʎʍʌʇɹɯʞɾᴉɥƃɟǝɔɐ]/,
  45.       // just a single, weird character
  46.       /^.$/,
  47.       (text) => {
  48.         const charSets = [
  49.           {
  50.             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
  51.             matchPercent: 0.4
  52.           },
  53.           {
  54.             regex: /[ᴀʙᴄᴅᴇғɢʜɪᴊᴋʟᴍɴᴏᴘᴏ̨ʀsᴛᴜᴠᴡxʏᴢ\s]/g,
  55.             matchPercent: 0.5
  56.           },
  57.           {
  58.             regex: /[\u{1D538}-\u{1D56B}\u{1D400}-\u{1D433}]/gu, // math letter symbols
  59.             matchPercent: 0.3
  60.           },
  61.         ];
  62.         for (const check of charSets) {
  63.           const { regex, matchPercent } = check,
  64.             matches = text.match(regex)?.length ?? 0;
  65.           if (matches / text.length > matchPercent && text.length > 10) {
  66.             return true;
  67.           }
  68.         }
  69.       }
  70.     ]
  71.   }),
  72.   site = getCurrentSite(),
  73.   commentMutationListener = new MutationObserver((mutations) => {
  74.     for (const mutation of mutations) {
  75.       for (const node of mutation.addedNodes) {
  76.         const text = getCommentText(node, site);
  77.         if (text) {
  78.           if (isCommentLikelyBotComment(text, site)) {
  79.             node.style.display = "none";
  80.           }
  81.         }
  82.       }
  83.     }
  84.   });
  85.  
  86. commentMutationListener.observe(document.body, {
  87.   subtree: true,
  88.   childList: true
  89. });
  90.  
  91. /**
  92.  * Determines whether a comment is likely spam.
  93.  *
  94.  * @param {String} text The comment's content
  95.  * @param {Object} site The website the comment is from
  96.  * @return {Boolean}
  97.  */
  98. function isCommentLikelyBotComment(text, siteChecks) {
  99.   for (const check of siteChecks) {
  100.     if (typeof check === "function") {
  101.       if (check(text)) {
  102.         console.log("Filter Check Failed");
  103.         console.log(text);
  104.         return true;
  105.       }
  106.     } else {
  107.       // assume regex
  108.       if (check.test(text)) {
  109.         console.log("Regex Check Failed");
  110.         console.log(check);
  111.         console.log(text);
  112.         return true;
  113.       }
  114.     }
  115.   }
  116.   return false;
  117. }
  118.  
  119. function getCommentText(node, site) {
  120.   switch (site) {
  121.     case SITES.YOUTUBE: {
  122.       if (node.nodeName === "YTD-COMMENT-RENDERER") {
  123.         return node.querySelector("#content-text").textContent;
  124.       }
  125.     }
  126.   }
  127.   return null;
  128. }
  129.  
  130. function getCurrentSite() {
  131.   switch (location.hostname) {
  132.     case "www.youtube.com": {
  133.       return SITES.YOUTUBE;
  134.     }
  135.   }
  136. }