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Fix Home, End, Page Up and Page Down keys for Superpower ChatGPT and OpenAI broken chats

For some Superpower ChatGPT and OpenAI chats the Home, End, Page Up and Page Down keys stop working, this script fixes the problem

当前为 2024-02-27 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Fix Home, End, Page Up and Page Down keys for Superpower ChatGPT and OpenAI broken chats
  3. // @description  For some Superpower ChatGPT and OpenAI chats the Home, End, Page Up and Page Down keys stop working, this script fixes the problem
  4. // @author       NWP
  5. // @namespace    https://greasyfork.org/users/877912
  6. // @version      0.3
  7. // @license      MIT
  8. // @match        https://chat.openai.com/*
  9. // @grant        none
  10. // ==/UserScript==
  11.  
  12. (function () {
  13.   'use strict';
  14.   
  15.   document.addEventListener('keydown', function (event) {
  16.     if (['INPUT', 'TEXTAREA'].includes(document.activeElement.tagName)) {
  17.       return;
  18.     }
  19.  
  20.     const scrollableContainer = Array.from(document.querySelectorAll('div')).find(div => /^react-scroll-to-bottom--css-\S+$/.test(div.className)) || // OpenAI
  21.                                 document.querySelector('#conversation-inner-div'); // Superpower ChatGPT
  22.  
  23.     if (!scrollableContainer) {
  24.       console.error("No scrollable container found.");
  25.       return;
  26.     }
  27.  
  28.     switch (event.key) {
  29.       case 'Home':
  30.       case 'End':
  31.         scrollToEnds(event, scrollableContainer);
  32.         break;
  33.       case 'PageUp':
  34.       case 'PageDown':
  35.         scrollByPage(event, scrollableContainer);
  36.         break;
  37.     }
  38.   });
  39.  
  40.   function scrollToEnds(event, container) {
  41.     event.preventDefault();
  42.     const position = event.key === 'Home' ? 0 : container.scrollHeight;
  43.     container.scrollTo({ top: position, behavior: 'instant' });
  44.   }
  45.  
  46.   function scrollByPage(event, container) {
  47.     event.preventDefault();
  48.     const amount = event.key === 'PageUp' ? -container.clientHeight * 0.75 : container.clientHeight * 0.75;
  49.     container.scrollBy({ top: amount, behavior: 'instant' });
  50.   }
  51. })();