ChatGPT is GPT4 by default（PLUS only available）

ChatGPT switch The default is GPT4
目前為 2023-04-18 提交的版本，檢視最新版本。
安裝腳本 ?
換行
// ==UserScript==
// @name                 ChatGPT is GPT4 by default（PLUS only available）
// @name:zh-CN           ChatGPT默认为GPT4（仅PLUS可用）
// @description          ChatGPT switch The default is GPT4
// @description:zh-cn   ChatGPT switch The default is GPT4
// @version             0.1.1
// @icon               https://chat.openai.com/favicon.ico
// @match              https://chat.openai.com/*
// @grant        GM_registerMenuCommand
// @grant        GM_unregisterMenuCommand
// @grant        GM_getValue
// @grant        GM_setValue
// @namespace https://greasyfork.org/zh-CN/scripts/464284-chatgpt-is-gpt4-by-default-plus-only-available
// @license MIT
// ==/UserScript==

(function () {
  'use strict';
  const BUTTONS_GROUPS = ['Default (GPT-3.5)', 'Legacy (GPT-3.5)', 'GPT-4']
  let menus = []

  const getOtherInfo = () => {
    const defaultValue = GM_getValue('defaultModel')
    return BUTTONS_GROUPS.filter((buttonText) => buttonText !== defaultValue).map((buttonText) => `Model${buttonText}`);
  }

  // 注册脚本菜单
  const registerMenuCommand = () => {
    const onHandle = (value) => {
      GM_setValue('defaultModel', value)
      registerMenuCommand()
    }
    if (!GM_getValue('defaultModel')) GM_setValue('defaultModel', 'GPT-4')
    const defaultValue = GM_getValue('defaultModel')
    menus.forEach(menu => GM_unregisterMenuCommand(menu))
    menus = BUTTONS_GROUPS.map((buttonText) => GM_registerMenuCommand(`切换默认为：${buttonText}${defaultValue === buttonText ? '（当前）' : ''}`, () => onHandle(buttonText)))
  }

  const clickListItemByTextContent = (textContent) => {
    const listItems = document.getElementsByTagName('li');
    for (let listItem of listItems) {
      if (listItem.textContent === textContent) {
        listItem.click();
        return;
      }
    }
  };

  const switchModel = () => {
    const model = `${GM_getValue('defaultModel')}`
    setTimeout(() => clickListItemByTextContent(model), 0);
  };

  const callback = (mutationRecords) => {
    const BUTTON_INFOS = getOtherInfo();
    for (const mutationRecord of mutationRecords) {
      if (mutationRecord.addedNodes.length) {
        for (const addedNode of mutationRecord.addedNodes) {
          if (addedNode.nodeType === Node.ELEMENT_NODE) {
            const buttons = addedNode.querySelectorAll('button');
            for (let button of buttons) {
              if (BUTTON_INFOS.includes(button.textContent)) {
                button.click();
                switchModel();
                return;
              }
            }
          }
        }
      }
    }
  };
  registerMenuCommand()
  const observer = new MutationObserver(callback);
  observer.observe(document.getElementById('__next'), {
    childList: true,
    subtree: true,
  });
})();