Export your Gemini chat history from Google AI Studio to a text file. Features: Auto-scrolling, User/Model role differentiation, clean output, and full mobile optimization.
// ==UserScript==
// @name Google AI Studio Exporter
// @name:zh-CN Google AI Studio 对话导出器
// @namespace https://github.com/GhostXia/Google-AI-Studio-Exporter
// @version 1.3.6
// @description Export your Gemini chat history from Google AI Studio to a text file. Features: Auto-scrolling, User/Model role differentiation, clean output, and full mobile optimization.
// @description:zh-CN 完美导出 Google AI Studio 对话记录。具备自动滚动加载、精准去重、防抖动、User/Model角色区分，以及全平台响应式优化。支持 PC、平板、手机全平台。
// @author GhostXia
// @license AGPL-3.0
// @match https://aistudio.google.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=google.com
// @homepageURL https://github.com/GhostXia/Google-AI-Studio-Exporter
// @supportURL https://github.com/GhostXia/Google-AI-Studio-Exporter/issues
// @require https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js
// @grant GM_xmlhttpRequest
// ==/UserScript==
(function () {
'use strict';
// ==========================================
// 0. 国际化 (i18n)
// ==========================================
const lang = navigator.language.startsWith('zh') ? 'zh' : 'en';
const translations = {
'zh': {
'btn_export': '🚀 导出',
'title_ready': '准备就绪',
'status_init': '初始化中...',
'btn_save': '💾 保存',
'btn_close': '关闭',
'title_countdown': '准备开始',
'status_countdown': '请松开鼠标，不要操作！<br><span class="ai-red">{s} 秒后开始自动滚动</span>',
'title_scrolling': '正在采集...',
'status_scrolling': '正在向下滚动并抓取内容。<br>按 <b>ESC</b> 键可强制停止并保存。',
'title_finished': '🎉 导出成功',
'status_finished': '文件已生成。<br>请检查下载栏。',
'title_error': '❌ 出错了',
'title_mode_select': '选择导出模式',
'status_mode_select': '请选择导出格式',
'btn_mode_full': '📦 包含附件',
'btn_mode_text': '📄 纯文本',
'file_header': 'Google AI Studio 完整对话记录',
'file_time': '时间',
'file_count': '条数',
'role_user': 'User',
'role_gemini': 'Gemini',
'err_no_scroller': '未找到滚动容器。请尝试刷新页面或手动滚动一下再试。',
'err_no_data': '未采集到任何对话数据。请检查页面是否有对话内容。',
'err_runtime': '运行错误: ',
'status_packaging_images': '正在打包 {n} 张图片...',
'status_packaging_images_progress': '打包图片: {c}/{t}',
'status_packaging_files': '正在打包 {n} 个文件...',
'status_packaging_files_progress': '打包文件: {c}/{t}'
},
'en': {
'btn_export': '🚀 Export',
'title_ready': 'Ready',
'status_init': 'Initializing...',
'btn_save': '💾 Save',
'btn_close': 'Close',
'title_countdown': 'Get Ready',
'status_countdown': 'Please release mouse!<br><span class="ai-red">Auto-scroll starts in {s}s</span>',
'title_scrolling': 'Exporting...',
'status_scrolling': 'Scrolling down and capturing content.<br>Press <b>ESC</b> to stop and save.',
'title_finished': '🎉 Finished',
'status_finished': 'File generated.<br>Check your downloads.',
'title_error': '❌ Error',
'title_mode_select': 'Select Export Mode',
'status_mode_select': 'Choose export format',
'btn_mode_full': '📦 With Attachments',
'btn_mode_text': '📄 Text Only',
'file_header': 'Google AI Studio Chat History',
'file_time': 'Time',
'file_count': 'Count',
'role_user': 'User',
'role_gemini': 'Gemini',
'err_no_scroller': 'Scroll container not found. Try refreshing or scrolling manually.',
'err_no_data': 'No conversation data was collected. Please check if the page has any chat content.',
'err_runtime': 'Runtime Error: ',
'status_packaging_images': 'Packaging {n} images...',
'status_packaging_images_progress': 'Packaging images: {c}/{t}',
'status_packaging_files': 'Packaging {n} files...',
'status_packaging_files_progress': 'Packaging files: {c}/{t}'
}
};
function t(key, params = {}) {
let str = translations[lang][key] || key;
// Legacy support for single parameter
if (typeof params !== 'object' || params === null) {
str = str.replace(/{s}/g, params);
return str;
}
for (const pKey in params) {
str = str.replace(new RegExp(`\\{${pKey}\\}`, 'g'), params[pKey]);
}
return str;
}
// ==========================================
// 1. 样式与 UI (全平台响应式优化版)
// ==========================================
const style = document.createElement('style');
style.textContent = `
/* 全局遮罩层 */
#ai-overlay-v14 {
position: fixed; top: 0; left: 0; width: 100%; height: 100%;
background: rgba(0, 0, 0, 0.85); z-index: 2147483647;
display: flex; justify-content: center; align-items: center;
font-family: 'Google Sans', Roboto, -apple-system, sans-serif;
backdrop-filter: blur(6px);
-webkit-backdrop-filter: blur(6px);
animation: ai-fade-in 0.2s ease-out;
}
@keyframes ai-fade-in {
from { opacity: 0; }
to { opacity: 1; }
}
/* 主弹窗 */
#ai-box {
background: white;
padding: 32px;
border-radius: 20px;
box-shadow: 0 20px 60px rgba(0,0,0,0.3);
width: 90%;
max-width: 480px;
text-align: center;
position: relative;
animation: ai-slide-up 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes ai-slide-up {
from { transform: translateY(30px); opacity: 0; }
to { transform: translateY(0); opacity: 1; }
}
.ai-title {
font-size: 26px;
font-weight: 700;
margin-bottom: 16px;
color: #202124;
letter-spacing: -0.5px;
}
.ai-status {
font-size: 15px;
margin-bottom: 24px;
line-height: 1.7;
color: #5f6368;
}
.ai-count {
font-size: 48px;
font-weight: 700;
color: #1a73e8;
margin: 16px 0;
font-variant-numeric: tabular-nums;
}
.ai-btn-container {
display: flex;
gap: 12px;
justify-content: center;
margin-top: 20px;
}
.ai-btn {
background: linear-gradient(135deg, #1a73e8 0%, #1557b0 100%);
color: white;
border: none;
padding: 14px 32px;
border-radius: 12px;
cursor: pointer;
font-size: 16px;
font-weight: 600;
display: inline-block;
box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
transition: all 0.2s ease;
flex: 1;
max-width: 150px;
}
.ai-btn-secondary {
background: linear-gradient(135deg, #5f6368 0%, #3c4043 100%);
}
.ai-btn-secondary:hover {
background: linear-gradient(135deg, #4a4d51 0%, #2d3033 100%);
}
.ai-btn:hover {
transform: translateY(-2px);
box-shadow: 0 6px 16px rgba(26, 115, 232, 0.4);
}
.ai-btn:active {
transform: translateY(0);
}
.ai-red {
color: #d93025;
font-weight: 700;
}
/* 悬浮按钮 - PC 默认样式 */
.ai-entry {
position: fixed;
z-index: 2147483646;
padding: 14px 28px;
background: linear-gradient(135deg, #1a73e8 0%, #1557b0 100%);
color: white;
border: none;
border-radius: 50px;
cursor: pointer;
box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
font-weight: 700;
font-size: 15px;
transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
top: 80px;
right: 28px;
letter-spacing: -0.3px;
user-select: none;
-webkit-user-select: none;
-webkit-tap-highlight-color: transparent;
}
.ai-entry:hover {
transform: scale(1.08) translateY(-2px);
box-shadow: 0 8px 24px rgba(26, 115, 232, 0.5);
}
.ai-entry:active {
transform: scale(1.02);
}
/* ========================================== */
/* 平板适配 (600px - 900px) */
/* ========================================== */
@media (max-width: 900px) and (min-width: 601px) {
.ai-entry {
top: 70px;
right: 24px;
padding: 12px 24px;
font-size: 14px;
}
#ai-box {
max-width: 420px;
padding: 28px;
}
.ai-title { font-size: 22px; }
.ai-count { font-size: 40px; }
}
/* ========================================== */
/* 手机适配 (最大 600px) */
/* ========================================== */
@media (max-width: 600px) {
.ai-entry {
/* 移动端：右下角悬浮球 */
top: auto;
bottom: 140px;
right: 16px;
padding: 16px 20px;
font-size: 14px;
min-width: 56px;
min-height: 56px; /* 符合移动端 44-56px 最小触控标准 */
display: flex;
align-items: center;
justify-content: center;
box-shadow: 0 8px 24px rgba(26, 115, 232, 0.6);
}
#ai-box {
padding: 24px 20px;
border-radius: 16px;
width: 92%;
max-width: none;
}
.ai-title {
font-size: 20px;
margin-bottom: 12px;
}
.ai-status {
font-size: 14px;
margin-bottom: 20px;
}
.ai-count {
font-size: 40px;
margin: 12px 0;
}
.ai-btn {
padding: 12px 28px;
font-size: 15px;
border-radius: 10px;
width: 100%;
max-width: 200px;
}
}
/* ========================================== */
/* 超小屏幕适配 (最大 360px) */
/* ========================================== */
@media (max-width: 360px) {
.ai-entry {
bottom: 130px;
right: 12px;
padding: 14px 16px;
font-size: 13px;
}
#ai-box {
padding: 20px 16px;
}
.ai-title { font-size: 18px; }
.ai-count { font-size: 36px; }
.ai-status { font-size: 13px; }
}
/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
#ai-overlay-v14 {
background: rgba(0, 0, 0, 0.92);
}
#ai-box {
background: #202124;
box-shadow: 0 20px 60px rgba(0,0,0,0.8);
}
.ai-title { color: #e8eaed; }
.ai-status { color: #9aa0a6; }
}
`;
document.head.appendChild(style);
// ==========================================
// 2. 状态管理
// ==========================================
let isRunning = false;
let hasFinished = false;
let collectedData = new Map();
let overlay, titleEl, statusEl, countEl, closeBtn;
let exportMode = null; // 'full' or 'text'
let cachedExportBlob = null;
// ==========================================
// 3. UI 逻辑
// ==========================================
function createEntryButton() {
if (document.getElementById('ai-entry-btn-v14')) return;
const btn = document.createElement('button');
btn.id = 'ai-entry-btn-v14';
btn.className = 'ai-entry';
btn.innerHTML = t('btn_export');
btn.onclick = startProcess;
document.body.appendChild(btn);
}
function initUI() {
if (document.getElementById('ai-overlay-v14')) {
overlay.style.display = 'flex';
return;
}
overlay = document.createElement('div');
overlay.id = 'ai-overlay-v14';
overlay.innerHTML = `
<div id="ai-box">
<div class="ai-title">${t('title_ready')}</div>
<div class="ai-status">${t('status_init')}</div>
<div class="ai-count">0</div>
<div class="ai-btn-container">
<button id="ai-save-btn" class="ai-btn">${t('btn_save')}</button>
<button id="ai-close-btn" class="ai-btn ai-btn-secondary">${t('btn_close')}</button>
</div>
</div>
`;
document.body.appendChild(overlay);
titleEl = overlay.querySelector('.ai-title');
statusEl = overlay.querySelector('.ai-status');
countEl = overlay.querySelector('.ai-count');
closeBtn = overlay.querySelector('#ai-close-btn');
const saveBtn = overlay.querySelector('#ai-save-btn');
closeBtn.onclick = () => { overlay.style.display = 'none'; };
saveBtn.onclick = async () => {
if (cachedExportBlob) {
downloadBlob(cachedExportBlob, `Gemini_Chat_v14_${Date.now()}.${exportMode === 'full' ? 'zip' : 'md'}`);
return;
}
try {
const result = await downloadCollectedData();
if (!result) {
updateUI('ERROR', t('err_no_data'));
}
} catch (err) {
console.error("Failed to re-download file:", err);
updateUI('ERROR', t('err_runtime') + err.message);
}
};
}
function updateUI(state, msg = "") {
initUI();
const saveBtn = overlay.querySelector('#ai-save-btn');
const btnContainer = overlay.querySelector('.ai-btn-container');
btnContainer.style.display = 'none';
// Hide any mode-selection buttons by default; only show them from showModeSelection()
btnContainer.querySelectorAll('.ai-mode-btn').forEach(btn => btn.style.display = 'none');
if (state === 'COUNTDOWN') {
titleEl.innerText = t('title_countdown');
statusEl.innerHTML = t('status_countdown', msg);
countEl.innerText = "0";
} else if (state === 'SCROLLING') {
titleEl.innerText = t('title_scrolling');
statusEl.innerHTML = t('status_scrolling');
countEl.style.display = 'block';
countEl.innerText = msg;
} else if (state === 'PACKAGING') {
titleEl.innerText = t('title_scrolling');
// In PACKAGING state, the status message (msg) already contains the count (e.g., "Packaging 5 images...").
// So we display the full message in statusEl and hide the separate countEl to avoid duplication.
statusEl.innerHTML = msg;
countEl.style.display = 'none';
} else if (state === 'FINISHED') {
titleEl.innerText = t('title_finished');
statusEl.innerHTML = t('status_finished');
countEl.innerText = msg;
btnContainer.style.display = 'flex';
saveBtn.style.display = 'inline-block';
closeBtn.style.display = 'inline-block';
} else if (state === 'ERROR') {
titleEl.innerText = t('title_error');
statusEl.innerHTML = `<span class="ai-red">${msg}</span>`;
btnContainer.style.display = 'flex';
closeBtn.style.display = 'inline-block';
}
}
function showModeSelection() {
return new Promise((resolve, reject) => {
initUI();
titleEl.innerText = t('title_mode_select');
statusEl.innerHTML = t('status_mode_select');
countEl.innerText = '';
const btnContainer = overlay.querySelector('.ai-btn-container');
// Hide the persistent save/close pair while in mode-selection UI
const saveBtn = overlay.querySelector('#ai-save-btn');
const closeBtnEl = overlay.querySelector('#ai-close-btn');
if (saveBtn) saveBtn.style.display = 'none';
if (closeBtnEl) closeBtnEl.style.display = 'none';
btnContainer.style.display = 'flex';
// Remove any previously created mode buttons but keep save/close
btnContainer.querySelectorAll('.ai-mode-btn').forEach(btn => btn.remove());
// Helper to create buttons
const createModeButton = (id, text, isPrimary, onClick) => {
const btn = document.createElement('button');
btn.id = id;
btn.className = (isPrimary ? 'ai-btn' : 'ai-btn ai-btn-secondary') + ' ai-mode-btn';
btn.textContent = text;
btn.onclick = onClick;
btnContainer.appendChild(btn);
};
createModeButton('ai-mode-full', t('btn_mode_full'), true, () => {
exportMode = 'full';
resolve('full');
});
createModeButton('ai-mode-text', t('btn_mode_text'), false, () => {
exportMode = 'text';
resolve('text');
});
createModeButton('ai-mode-close', t('btn_close'), false, () => {
overlay.style.display = 'none';
reject(new Error('Export cancelled by user.'));
});
});
}
// ==========================================
// 4. 核心流程
// ==========================================
async function startProcess() {
if (isRunning) return;
// isRunning = true; // Moved to after mode selection
hasFinished = false;
collectedData.clear();
cachedExportBlob = null;
// 显示模式选择
try {
await showModeSelection();
} catch (e) {
console.log('Export cancelled.');
// isRunning is still false here, so no cleanup needed
return;
}
isRunning = true; // Enable global ESC handler only after mode is selected
for (let i = 3; i > 0; i--) {
updateUI('COUNTDOWN', i);
await sleep(1000);
}
let scroller = findRealScroller();
// 移动端增强激活逻辑
if (!scroller || scroller.scrollHeight <= scroller.clientHeight) {
console.log("尝试主动激活滚动容器...");
// 先尝试滚动 window
window.scrollBy(0, 1);
await sleep(100);
scroller = findRealScroller();
}
// 如果还是找不到，尝试触摸激活
if (!scroller || scroller.scrollHeight <= scroller.clientHeight) {
console.log("尝试触摸激活...");
const bubble = document.querySelector('ms-chat-turn');
if (bubble) {
bubble.scrollIntoView({ behavior: 'instant' });
await sleep(200);
scroller = findRealScroller();
}
}
if (!scroller) {
endProcess("ERROR", t('err_no_scroller'));
return;
}
updateUI('SCROLLING', 0);
// ========================================
// 智能跳转：使用滚动条按钮直接跳到第一个对话
// ========================================
console.log("尝试使用滚动条按钮跳转到第一个对话...");
// 查找所有对话轮次按钮
const scrollbarButtons = document.querySelectorAll('button[id^="scrollbar-item-"]');
console.log(`找到 ${scrollbarButtons.length} 个对话轮次按钮`);
if (scrollbarButtons.length > 0) {
// 点击第一个按钮（最早的对话）
const firstButton = scrollbarButtons[0];
console.log("点击第一个对话按钮:", firstButton.getAttribute('name') || firstButton.id);
firstButton.click();
// 等待跳转和渲染
await sleep(1500);
console.log("跳转后 scrollTop:", scroller.scrollTop);
} else {
console.log("未找到滚动条按钮，使用备用方案...");
}
// 备用方案：如果按钮不存在或跳转失败，逐步向上滚动
const initialScrollTop = scroller.scrollTop;
if (initialScrollTop > 500) {
console.log("执行备用滚动方案，当前 scrollTop:", initialScrollTop);
let currentPos = initialScrollTop;
let upwardAttempts = 0;
const maxUpwardAttempts = 15; // 减少尝试次数
while (currentPos > 100 && upwardAttempts < maxUpwardAttempts) {
upwardAttempts++;
// 每次向上滚动一个视口高度
const scrollAmount = Math.min(window.innerHeight, currentPos);
scroller.scrollBy({ top: -scrollAmount, behavior: 'smooth' });
await sleep(500);
const newPos = scroller.scrollTop;
console.log(`向上滚动 ${upwardAttempts}/${maxUpwardAttempts}: ${currentPos} → ${newPos}`);
// 如果卡住了，尝试直接设置
if (Math.abs(newPos - currentPos) < 10) {
console.log("检测到卡住，尝试直接设置...");
scroller.scrollTop = Math.max(0, currentPos - scrollAmount);
await sleep(300);
}
currentPos = scroller.scrollTop;
// 如果已经到顶部附近，退出
if (currentPos < 100) {
break;
}
}
}
// 最终确保到达顶部
console.log("执行最终回到顶部，当前 scrollTop:", scroller.scrollTop);
scroller.scrollTop = 0;
await sleep(500);
// 再次确认
if (scroller.scrollTop > 10) {
scroller.scrollTo({ top: 0, behavior: 'instant' });
await sleep(500);
}
console.log("✓ 回到顶部完成，最终 scrollTop:", scroller.scrollTop);
// 等待 DOM 稳定
await sleep(800);
let lastScrollTop = -9999;
let stuckCount = 0;
try {
while (isRunning) {
captureData();
updateUI('SCROLLING', collectedData.size);
scroller.scrollBy({ top: window.innerHeight * 0.7, behavior: 'smooth' });
await sleep(900);
const currentScroll = scroller.scrollTop;
if (Math.abs(currentScroll - lastScrollTop) <= 2) {
stuckCount++;
if (stuckCount >= 3) {
console.log("判定到底", currentScroll);
break;
}
} else {
stuckCount = 0;
}
lastScrollTop = currentScroll;
}
} catch (e) {
console.error(e);
endProcess("ERROR", t('err_runtime') + e.message);
return;
}
endProcess("FINISHED");
}
// ==========================================
// 5. 辅助功能
// ==========================================
// Shared Regex Constants
// Capture: 1=Alt/Text, 2=URL, 3=Optional title (supports ')' in URL and single/double-quoted titles)
const IMG_REGEX = /!\[([^\]]*)\]\((.+?)(\s+["'][^"']*["'])?\)/g;
const LINK_REGEX = /\[([^\]]*)\]\((.+?)(\s+["'][^"']*["'])?\)/g;
function findRealScroller() {
const bubble = document.querySelector('ms-chat-turn');
if (!bubble) {
return document.querySelector('div[class*="scroll"]') || document.body;
}
let el = bubble.parentElement;
while (el && el !== document.body) {
const style = window.getComputedStyle(el);
if ((style.overflowY === 'auto' || style.overflowY === 'scroll') && el.scrollHeight >= el.clientHeight) {
return el;
}
el = el.parentElement;
}
return document.documentElement;
}
function captureData() {
const turns = document.querySelectorAll('ms-chat-turn');
turns.forEach(turn => {
if (!turn.id || collectedData.has(turn.id)) return;
const role = (turn.querySelector('[data-turn-role="Model"]') || turn.innerHTML.includes('model-prompt-container')) ? "Gemini" : "User";
const clone = turn.cloneNode(true);
const trash = ['.actions-container', '.turn-footer', 'button', 'mat-icon', 'ms-grounding-sources', 'ms-search-entry-point'];
trash.forEach(s => clone.querySelectorAll(s).forEach(e => e.remove()));
let text = htmlToMarkdown(clone).trim().replace(/\n{3,}/g, '\n\n');
if (text.length > 0) collectedData.set(turn.id, { role, text });
});
}
function htmlToMarkdown(node, listContext = null, indent = 0) {
if (node.nodeType === Node.TEXT_NODE) {
return node.textContent;
}
if (node.nodeType !== Node.ELEMENT_NODE) return '';
const tag = node.tagName.toLowerCase();
// Images
if (tag === 'img') {
const alt = node.getAttribute('alt') || '';
const src = node.getAttribute('src') || '';
return ``;
}
// Code blocks
if (tag === 'pre') {
const codeEl = node.querySelector('code');
if (codeEl) {
const language = Array.from(codeEl.classList).find(c => c.startsWith('language-'))?.replace('language-', '') || '';
const code = codeEl.textContent;
return `\n\`\`\`${language}\n${code}\n\`\`\`\n`;
}
}
// Inline code
if (tag === 'code') {
const text = node.textContent;
// Handle backticks inside inline code for correct Markdown rendering.
if (text.includes('`')) {
return `\`\` ${text} \`\``;
}
return `\`${text}\``;
}
// Headings
if (/^h[1-6]$/.test(tag)) {
const level = parseInt(tag[1]);
return '\n' + '#'.repeat(level) + ' ' + getChildrenText(node, listContext, indent) + '\n';
}
// Bold
if (tag === 'strong' || tag === 'b') {
return `**${getChildrenText(node, listContext, indent)}**`;
}
// Italic
if (tag === 'em' || tag === 'i') {
return `*${getChildrenText(node, listContext, indent)}*`;
}
// Links
if (tag === 'a') {
const href = node.getAttribute('href') || '';
const text = getChildrenText(node, listContext, indent);
return `[${text}](${href})`;
}
// Lists - pass context to children
if (tag === 'ul' || tag === 'ol') {
const listType = tag; // 'ul' or 'ol'
let index = 0;
let result = '\n';
for (const child of node.childNodes) {
if (child.nodeType === Node.ELEMENT_NODE && child.tagName.toLowerCase() === 'li') {
index++;
// Pass indent + 1 to children
result += htmlToMarkdown(child, { type: listType, index: index }, indent + 1);
} else {
// Pass indent + 1 to children even if not li (e.g. nested ul)
result += htmlToMarkdown(child, listContext, indent + 1);
}
}
return result + '\n';
}
// List items - use context to determine format
if (tag === 'li') {
// Children of li are at the same indent level as the li itself (which is already indented by parent)
const content = getChildrenText(node, listContext, indent);
// Render bullet at indent - 1
const indentStr = ' '.repeat(Math.max(0, indent - 1));
if (listContext && listContext.type === 'ol') {
return `${indentStr}${listContext.index}. ${content}\n`;
} else {
return `${indentStr}- ${content}\n`;
}
}
// Line breaks
if (tag === 'br') {
return ' \n';
}
// Blockquotes - prefix each line with >
if (tag === 'blockquote') {
const content = getChildrenText(node, listContext, indent);
// Split by lines and prefix each with "> "
return '\n' + content.split('\n')
.map(line => `> ${line}`)
.join('\n') + '\n';
}
// Block elements
if (['div', 'p'].includes(tag)) {
return '\n' + getChildrenText(node, listContext, indent) + '\n';
}
return getChildrenText(node, listContext, indent);
}
function getChildrenText(node, listContext = null, indent = 0) {
return Array.from(node.childNodes).map(child => htmlToMarkdown(child, listContext, indent)).join('');
}
// Helper: Download text-only mode
function downloadTextOnly() {
let content = `# ${t('file_header')}\n\n`;
content += `**${t('file_time')}:** ${new Date().toLocaleString()}\n\n`;
content += `**${t('file_count')}:** ${collectedData.size}\n\n`;
content += "---\n\n";
for (const [id, item] of collectedData) {
const roleName = item.role === 'Gemini' ? t('role_gemini') : t('role_user');
content += `## ${roleName}\n\n${item.text}\n\n`;
content += `---\n\n`;
}
const blob = new Blob([content], { type: 'text/markdown;charset=utf-8' });
cachedExportBlob = blob;
downloadBlob(blob, `Gemini_Chat_v14_${Date.now()}.md`);
}
// Generic Helper: Process resources (images or files)
async function processResources(uniqueUrls, zipFolder, config) {
const resourceMap = new Map();
if (uniqueUrls.size > 0) {
updateUI('PACKAGING', t(config.statusStart, { n: uniqueUrls.size }));
let completedCount = 0;
const promises = Array.from(uniqueUrls).map(async (url, index) => {
try {
const blob = await fetchResource(url);
if (blob) {
const filename = config.filenameGenerator(url, index, blob);
zipFolder.file(filename, blob);
resourceMap.set(url, `${config.subDir}/${filename}`);
}
} catch (e) {
console.error(`${config.subDir} download failed:`, url, e);
}
completedCount++;
if (completedCount % 5 === 0 || completedCount === uniqueUrls.size) {
updateUI('PACKAGING', t(config.statusProgress, { c: completedCount, t: uniqueUrls.size }));
}
});
await Promise.all(promises);
}
return resourceMap;
}
// Helper: Collect unique image URLs from all messages
function collectImageUrls() {
const uniqueUrls = new Set();
for (const item of collectedData.values()) {
for (const match of item.text.matchAll(IMG_REGEX)) {
uniqueUrls.add(match[2]);
}
}
return uniqueUrls;
}
// Helper: Process and download images
async function processImages(imgFolder) {
const uniqueUrls = collectImageUrls();
return processResources(uniqueUrls, imgFolder, {
subDir: 'images',
statusStart: 'status_packaging_images',
statusProgress: 'status_packaging_images_progress',
filenameGenerator: (url, index, blob) => {
const extension = (blob.type.split('/')[1] || 'png').split('+')[0];
return `image_${index}.${extension}`;
}
});
}
// Helper: Collect unique file URLs from all messages
function collectFileUrls() {
const downloadableExtensions = ['.pdf', '.csv', '.txt', '.json', '.py', '.js', '.html', '.css', '.md', '.zip', '.tar', '.gz'];
const uniqueUrls = new Set();
const fileFilter = (match) => {
// match[0].startsWith('!') check removed as it's ineffective for LINK_REGEX matches
const url = match[2];
const lowerUrl = url.toLowerCase();
const isBlob = lowerUrl.startsWith('blob:');
const isGoogleStorage = lowerUrl.includes('googlestorage') || lowerUrl.includes('googleusercontent');
const hasExt = downloadableExtensions.some(ext => lowerUrl.split('?')[0].endsWith(ext));
return isBlob || isGoogleStorage || hasExt;
};
for (const item of collectedData.values()) {
for (const match of item.text.matchAll(LINK_REGEX)) {
// Skip image-style markdown links: ``
if (match.index > 0 && item.text[match.index - 1] === '!') continue;
if (fileFilter(match)) {
uniqueUrls.add(match[2]);
}
}
}
return uniqueUrls;
}
// Helper: Process and download files
async function processFiles(fileFolder) {
const uniqueUrls = collectFileUrls();
return processResources(uniqueUrls, fileFolder, {
subDir: 'files',
statusStart: 'status_packaging_files',
statusProgress: 'status_packaging_files_progress',
filenameGenerator: (url, index, blob) => {
let filename = "file";
try {
const urlObj = new URL(url);
filename = urlObj.pathname.substring(urlObj.pathname.lastIndexOf('/') + 1);
} catch (e) {
filename = url.split('/').pop().split('?')[0];
}
let decodedFilename = filename;
try {
decodedFilename = decodeURIComponent(filename);
} catch (e) {
console.warn(`Could not decode filename: ${filename}`, e);
}
// Increased limit from 50 to 100 as per PR review
if (!decodedFilename || decodedFilename.length > 100) {
const extMatch = filename.match(/\.[^./?]+$/);
const ext = extMatch ? extMatch[0] : '';
decodedFilename = `file_${index}${ext}`;
}
return `${index}_${decodedFilename.replace(/[^a-zA-Z0-9._-]/g, '_')}`;
}
});
}
// Helper: Generate Markdown content with URL replacements
function generateMarkdownContent(imgMap, fileMap) {
let content = `# ${t('file_header')}\n\n`;
content += `**${t('file_time')}:** ${new Date().toLocaleString()}\n\n`;
content += `**${t('file_count')}:** ${collectedData.size}\n\n`;
content += "---\n\n";
for (const [id, item] of collectedData) {
const roleName = item.role === 'Gemini' ? t('role_gemini') : t('role_user');
let processedText = item.text;
// Replace image URLs
processedText = processedText.replace(IMG_REGEX, (match, alt, url, title) => {
if (imgMap.has(url)) {
const titleStr = title || '';
return `}${titleStr})`;
}
return match;
});
// Replace file URLs
processedText = processedText.replace(LINK_REGEX, (match, text, url, title) => {
if (fileMap.has(url)) {
const titleStr = title || '';
return `[${text}](${fileMap.get(url)}${titleStr})`;
}
return match;
});
content += `## ${roleName}\n\n${processedText}\n\n`;
content += `---\n\n`;
}
return content;
}
// Main function: orchestrate the download process
async function downloadCollectedData() {
if (collectedData.size === 0) return false;
// Text-only mode
if (exportMode === 'text') {
downloadTextOnly();
return true;
}
// Full mode with attachments
const zip = new JSZip();
const imgFolder = zip.folder("images");
const fileFolder = zip.folder("files");
// Process images and files in parallel (memory-efficient approach)
const [imgMap, fileMap] = await Promise.all([
processImages(imgFolder),
processFiles(fileFolder)
]);
// Generate final Markdown content
const content = generateMarkdownContent(imgMap, fileMap);
// Create and download ZIP
zip.file("chat_history.md", content);
const zipBlob = await zip.generateAsync({ type: "blob" });
cachedExportBlob = zipBlob;
downloadBlob(zipBlob, `Gemini_Chat_v14_${Date.now()}.zip`);
return true;
}
function fetchResource(url) {
return new Promise((resolve) => {
if (typeof GM_xmlhttpRequest !== 'undefined') {
GM_xmlhttpRequest({
method: "GET",
url: url,
responseType: "blob",
onload: (response) => {
if (response.status >= 200 && response.status < 300) {
resolve(response.response);
} else {
console.warn(`Resource fetch failed with status ${response.status}:`, url);
resolve(null);
}
},
onerror: () => resolve(null)
});
} else {
fetch(url)
.then(r => {
if (r.ok) return r.blob();
return null;
})
.then(resolve)
.catch(() => resolve(null));
}
});
}
function downloadBlob(blob, name) {
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = name;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
}
function endProcess(status, msg) {
if (hasFinished) return;
hasFinished = true;
isRunning = false;
if (status === "FINISHED") {
if (collectedData.size > 0) {
downloadCollectedData().then(() => {
updateUI('FINISHED', collectedData.size);
}).catch(err => {
console.error("Failed to generate and download file:", err);
updateUI('ERROR', t('err_runtime') + err.message);
});
} else {
updateUI('ERROR', t('err_no_data'));
}
} else {
updateUI('ERROR', msg);
}
}
function sleep(ms) { return new Promise(r => setTimeout(r, ms)); }
document.addEventListener('keydown', e => {
if (e.key === 'Escape' && isRunning) {
endProcess("FINISHED");
}
});
setInterval(createEntryButton, 2000);
})();