// ==UserScript==
// @name ChatGPT 长对话卡顿优化
// @namespace chatgpt-conversation-pruner
// @version 1.0
// @description chatgpt长对话卡顿是因为前端一次性加载了全部对话，导致每次新增对话时要渲染的聊天太多，因此可以通过设置属性为display=none来部分解决，通过卸载部分DOM来进一步缓解。
// @match https://chatgpt.com/*
// @grant none
// @license MIT
// @downloadURL https://update.greasyfork.icu/scripts/559208/ChatGPT%20%E9%95%BF%E5%AF%B9%E8%AF%9D%E5%8D%A1%E9%A1%BF%E4%BC%98%E5%8C%96.user.js
// @updateURL https://update.greasyfork.icu/scripts/559208/ChatGPT%20%E9%95%BF%E5%AF%B9%E8%AF%9D%E5%8D%A1%E9%A1%BF%E4%BC%98%E5%8C%96.meta.js
// ==/UserScript==
(function () {
'use strict';
/************* 🔧 状态参数（可动态修改） *************/
let KEEP_VISIBLE = 8;
let HIDE_BEYOND = 10;
let ENABLE_REMOVE = false;
const BOOT_CHECK_INTERVAL = 500;
// UI 状态持久化 key
const UI_STATE_KEY = 'cgpt_pruner_ui_minimized_v1';
/*****************************************************/
function getTurns() {
return Array.from(
document.querySelectorAll('article[data-testid^="conversation-turn"]')
);
}
function prune() {
const turns = getTurns();
const total = turns.length;
if (total <= HIDE_BEYOND) return;
const removeBefore = ENABLE_REMOVE ? total - HIDE_BEYOND : -1;
const hideBefore = total - KEEP_VISIBLE;
for (let i = 0; i < total; i++) {
const el = turns[i];
if (ENABLE_REMOVE && i < removeBefore) {
el.remove();
} else if (i < hideBefore) {
el.style.display = 'none';
}
}
}
function startObserver() {
const observer = new MutationObserver(prune);
observer.observe(document.body, { childList: true, subtree: true });
console.log('[ChatGPT Pruner] Observer started');
}
function waitForChat() {
const timer = setInterval(() => {
if (getTurns().length > 0) {
clearInterval(timer);
prune();
startObserver();
}
}, BOOT_CHECK_INTERVAL);
}
/************* 🪟 浮窗 UI（Shadow DOM + 最小化） *************/
function createPanel() {
const host = document.createElement('div');
host.style.position = 'fixed';
host.style.bottom = '20px';
host.style.right = '20px';
host.style.zIndex = '999999';
document.body.appendChild(host);
const shadow = host.attachShadow({ mode: 'open' });
shadow.innerHTML = `
`;
const $ = (id) => shadow.getElementById(id);
function setMinimized(minimized) {
$('panel').classList.toggle('hidden', minimized);
$('mini').classList.toggle('hidden', !minimized);
try { localStorage.setItem(UI_STATE_KEY, minimized ? '1' : '0'); } catch (_) {}
}
// 初始化控件值
$('removeToggle').checked = ENABLE_REMOVE;
$('keepVisible').value = KEEP_VISIBLE;
$('hideBeyond').value = HIDE_BEYOND;
// 绑定按钮
$('applyBtn').onclick = () => {
ENABLE_REMOVE = $('removeToggle').checked;
KEEP_VISIBLE = parseInt($('keepVisible').value, 10);
HIDE_BEYOND = parseInt($('hideBeyond').value, 10);
prune();
};
// 最小化/展开
$('minBtn').onclick = () => setMinimized(true);
$('mini').onclick = () => setMinimized(false);
// 读取持久化状态
let initMin = false;
try { initMin = localStorage.getItem(UI_STATE_KEY) === '1'; } catch (_) {}
setMinimized(initMin);
}
waitForChat();
createPanel();
})();