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PO18 Filter

Hide books in index search results based on specified keywords, authors, and tags.

  1. // ==UserScript==
  2. // @name         PO18 Filter
  3. // @description  Hide books in index search results based on specified keywords, authors, and tags.
  4. // @version      1.0
  5. // @author       null
  6. // @match        https://www.po18.tw/findbooks/*
  7. // @grant        none
  8. // @license      MIT
  9. // @namespace https://greasyfork.org/users/1272411
  10. // ==/UserScript==
  11.  
  12. (function () {
  13.   "use strict";
  14.  
  15.   const KEYWORDS = [
  16.     /标题关键词1/i,
  17.     /标题关键词2/i,
  18.     /标题关键词3/i,
  19.   ];
  20.   const AUTHORS = [
  21.     /作者关键词1/i,
  22.     /作者关键词2/i,
  23.     /作者关键词3/i,
  24.   ];
  25.   const TAGS = [
  26.     /标签关键词1/i,
  27.     /标签关键词2/i,
  28.     /标签关键词3/i,
  29.   ];
  30.  
  31.   function hideRowsByCriteria() {
  32.     const rows = document.querySelectorAll(".row");
  33.     rows.forEach((row) => {
  34.       const textContent = row.textContent || row.innerText;
  35.       const shouldHide =
  36.         KEYWORDS.some((keyword) => keyword.test(textContent)) ||
  37.         AUTHORS.some((author) => author.test(textContent)) ||
  38.         TAGS.some((tag) => tag.test(textContent));
  39.  
  40.       if (shouldHide) {
  41.         row.style.display = "none";
  42.       }
  43.     });
  44.   }
  45.  
  46.   function observeDOMChanges() {
  47.     const observer = new MutationObserver((mutations) => {
  48.       mutations.forEach((mutation) => {
  49.         if (mutation.addedNodes.length || mutation.removedNodes.length) {
  50.           hideRowsByCriteria();
  51.         }
  52.       });
  53.     });
  54.  
  55.     const config = { childList: true, subtree: true };
  56.     const targetNode = document.querySelector("body");
  57.     if (targetNode) {
  58.       observer.observe(targetNode, config);
  59.     } else {
  60.       console.error("Failed to find the target node.");
  61.     }
  62.   }
  63.  
  64.   window.addEventListener("load", () => {
  65.     hideRowsByCriteria();
  66.     observeDOMChanges();
  67.   });
  68. })();