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Hide Bot Comments

Removes comments made by bots on websites such as YouTube.

目前為 2022-02-19 提交的版本，檢視 最新版本。

  1. // ==UserScript==
  2. // @name         Hide Bot Comments
  3. // @namespace    https://theusaf.org
  4. // @version      1.4.0
  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|only until|Bots are|:]|I found it :|Yes true)/i, // 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|My mom.*subscribers|literally begging|MY VIDEOS|fucking cringe|Don'?t read my name/i, // common phrase
  25.       (text) => {
  26.         const charSets = [
  27.           {
  28.             regex: /[ᴀʙᴄᴅᴇғɢʜɪᴊᴋʟᴍɴᴏᴘᴏ̨ʀsᴛᴜᴠᴡxʏᴢ\s]/g,
  29.             matchPercent: 0.5
  30.           },
  31.           {
  32.             regex: /[\u{1D538}-\u{1D56B}]/gu, // math letter symbols
  33.             matchPercent: 0.5
  34.           },
  35.           {
  36.             regex: /[ㄥϛㄣƐᄅƖ⅄Λ∩┴ɹԀ˥ʞſפℲƎƆ∀ʎʍʌʇɹɯʞɾᴉɥƃɟǝɔɐ]/g,
  37.             matchPercent: true
  38.           }
  39.         ];
  40.         for (const check of charSets) {
  41.           const { regex, matchPercent } = check,
  42.             matches = text.match(regex)?.length ?? 0;
  43.           if (matchPercent === true && matches) {
  44.             console.log(matches)
  45.             return true;
  46.           }
  47.           if (matches / text.length > matchPercent && text.length > 10) {
  48.             console.log(matches, regex)
  49.             return true;
  50.           }
  51.         }
  52.       }
  53.     ]
  54.   }),
  55.   site = getCurrentSite(),
  56.   commentMutationListener = new MutationObserver((mutations) => {
  57.     for (const mutation of mutations) {
  58.       for (const node of mutation.addedNodes) {
  59.         const text = getCommentText(node, site);
  60.         if (text) {
  61.           if (isCommentLikelyBotComment(text, site)) {
  62.             node.style.display = "none";
  63.           }
  64.         }
  65.       }
  66.     }
  67.   });
  68.  
  69. commentMutationListener.observe(document.body, {
  70.   subtree: true,
  71.   childList: true
  72. });
  73.  
  74. /**
  75.  * Determines whether a comment is likely spam.
  76.  *
  77.  * @param {String} text The comment's content
  78.  * @param {Object} site The website the comment is from
  79.  * @return {Boolean}
  80.  */
  81. function isCommentLikelyBotComment(text, siteChecks) {
  82.   for (const check of siteChecks) {
  83.     if (typeof check === "function") {
  84.       if (check(text)) {
  85.         return true;
  86.       }
  87.     } else {
  88.       // assume regex
  89.       if (check.test(text)) {
  90.         return true;
  91.       }
  92.     }
  93.   }
  94.   return false;
  95. }
  96.  
  97. function getCommentText(node, site) {
  98.   switch (site) {
  99.     case SITES.YOUTUBE: {
  100.       if (node.nodeName === "YTD-COMMENT-RENDERER") {
  101.         return node.querySelector("#content-text").textContent;
  102.       }
  103.     }
  104.   }
  105.   return null;
  106. }
  107.  
  108. function getCurrentSite() {
  109.   switch (location.hostname) {
  110.     case "www.youtube.com": {
  111.       return SITES.YOUTUBE;
  112.     }
  113.   }
  114. }