Export Gemini chat to Markdown with LaTeX support, Dark Mode Preview, Round Selection & Export Mode.
// ==UserScript==
// @name Gemini to Markdown Copier (Fix Inline Code)
// @namespace http://tampermonkey.net/
// @version 3.6
// @description Export Gemini chat to Markdown with LaTeX support, Dark Mode Preview, Round Selection & Export Mode.
// @author Gemini & You
// @match https://gemini.google.com/*
// @icon https://www.gstatic.com/images/branding/product/1x/gemini_gradient_icon_48dp.png
// @grant GM_setClipboard
// @grant GM_registerMenuCommand
// @grant GM_addStyle
// @run-at document-idle
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// === 全局配置 ===
let selectedRoundOption = '1';
let exportMode = 'full';
// === 1. 样式表 (保持不变) ===
const STYLES = `
#gemini-md-toolbar {
position: fixed; bottom: 20px; right: 20px; z-index: 9990;
display: flex; gap: 8px; font-family: 'Google Sans', sans-serif;
align-items: center; background: rgba(30, 30, 30, 0.85);
padding: 8px 12px; border-radius: 30px; backdrop-filter: blur(5px);
border: 1px solid #444; box-shadow: 0 4px 12px rgba(0,0,0,0.3);
transition: opacity 0.3s;
}
.gmd-btn {
background-color: #1a73e8; color: white; border: none; border-radius: 20px;
padding: 6px 14px; box-shadow: 0 2px 4px rgba(0,0,0,0.3); cursor: pointer;
font-size: 13px; font-weight: 500; transition: all 0.2s ease;
display: flex; align-items: center; gap: 5px; white-space: nowrap;
}
.gmd-btn:hover { background-color: #1557b0; transform: translateY(-1px); }
.gmd-btn.secondary { background-color: #2d2e30; color: #8ab4f8; border: 1px solid #5f6368; }
.gmd-btn.secondary:hover { background-color: #3c4043; border-color: #8ab4f8; }
.gmd-select {
background-color: #2d2e30; color: #e1e1e1; border: 1px solid #5f6368;
border-radius: 16px; padding: 6px 10px; font-size: 12px; outline: none;
cursor: pointer; transition: border 0.2s, background 0.2s;
appearance: none; text-align: center; min-width: 80px;
}
.gmd-select:hover { border-color: #8ab4f8; background-color: #3c4043; }
.gmd-select option { background-color: #2d2e30; color: #fff; text-align: left;}
.gmd-divider { width: 1px; height: 18px; background: #555; margin: 0 2px; }
.gmd-modal-overlay {
position: fixed; top: 0; left: 0; width: 100%; height: 100%;
background: rgba(0,0,0,0.7); z-index: 9998; display: flex;
justify-content: center; align-items: center; backdrop-filter: blur(4px);
}
.gmd-modal {
background: #1e1e1e; width: 80%; max-width: 900px; height: 85%;
border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.5);
display: flex; flex-direction: column; overflow: hidden;
border: 1px solid #444; animation: gmdFadeIn 0.2s ease-out; color: #d4d4d4;
}
.gmd-header { padding: 15px 20px; border-bottom: 1px solid #333; display: flex; justify-content: space-between; align-items: center; background: #252526; }
.gmd-title { font-weight: bold; color: #e1e1e1; font-size: 16px; }
.gmd-close { cursor: pointer; font-size: 22px; color: #aaa; padding: 0 8px; user-select: none; }
.gmd-close:hover { color: #fff; }
.gmd-body { flex: 1; padding: 0; position: relative; }
.gmd-textarea {
width: 100%; height: 100%; border: none; padding: 20px;
font-family: 'Consolas', 'Monaco', 'Fira Code', monospace;
font-size: 14px; line-height: 1.6; resize: none; outline: none;
box-sizing: border-box; background: #1e1e1e; color: #d4d4d4; color-scheme: dark;
}
.gmd-footer { padding: 15px 20px; border-top: 1px solid #333; display: flex; justify-content: flex-end; gap: 10px; align-items: center; background: #252526; }
.gmd-toast {
position: fixed; bottom: 80px; right: 20px; background: #333; color: #fff;
padding: 10px 20px; border-radius: 8px; font-size: 14px; z-index: 10000;
opacity: 0; transition: opacity 0.3s; pointer-events: none; border: 1px solid #555;
}
.gmd-toast.show { opacity: 1; }
@keyframes gmdFadeIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
`;
if (typeof GM_addStyle !== 'undefined') {
GM_addStyle(STYLES);
} else {
const styleEl = document.createElement('style');
styleEl.textContent = STYLES;
document.head.appendChild(styleEl);
}
// === 2. 内容解析器 ===
function parseContent(element) {
if (!element) return '';
try {
const clone = element.cloneNode(true);
// 2.1 垃圾清理
const selectorsToRemove = [
'.export-sheets-button-container',
'.buttons',
'button',
'.action-button',
'.sources-list',
'.file-preview-container',
'sensitive-memories-banner',
'gap-container'
];
selectorsToRemove.forEach(sel => Array.from(clone.querySelectorAll(sel)).forEach(e => e.remove()));
const replaceWithText = (nodes, formatFn) => {
Array.from(nodes).forEach(el => el.replaceWith(document.createTextNode(formatFn(el))));
};
// 2.2 优先处理复杂块
// 代码块
Array.from(clone.querySelectorAll('code-block')).forEach(block => {
const langSpan = block.querySelector('.code-block-decoration span');
const lang = langSpan ? langSpan.innerText.trim() : '';
const codeElem = block.querySelector('pre code');
let codeText = codeElem ? codeElem.innerText : block.innerText.replace(lang, '').trim();
codeText = codeText.replace(/\s+$/, '');
block.replaceWith(document.createTextNode(`\n\n\`\`\`${lang}\n${codeText}\n\`\`\`\n`));
});
// 残留 Pre
Array.from(clone.querySelectorAll('pre')).forEach(pre => {
if (pre.closest('code-block')) return;
let preText = pre.innerText.replace(/\s+$/, '');
pre.replaceWith(document.createTextNode(`\n\n\`\`\`\n${preText}\n\`\`\`\n`));
});
// 表格
Array.from(clone.querySelectorAll('table')).forEach(table => {
let mdTable = '\n\n';
const rows = Array.from(table.querySelectorAll('tr'));
rows.forEach((row, rowIndex) => {
const cells = Array.from(row.querySelectorAll('th, td'));
const rowContent = cells.map(c => c.innerText.trim().replace(/\n/g, '<br>').replace(/\|/g, '\\|')).join(' | ');
mdTable += `| ${rowContent} |\n`;
if (rowIndex === 0) {
mdTable += `| ${cells.map(() => '---').join(' | ')} |\n`;
}
});
mdTable += '\n';
table.replaceWith(document.createTextNode(mdTable));
});
// 2.3 数学公式
// 行内公式
replaceWithText(clone.querySelectorAll('.math-inline[data-math]'), el => `$${el.getAttribute('data-math')}$`);
// 块级公式：检测是否在列表内
Array.from(clone.querySelectorAll('.math-block[data-math]')).forEach(el => {
const math = el.getAttribute('data-math');
const isInsideList = el.closest('li');
if (isInsideList) {
el.replaceWith(document.createTextNode(` $$${math}$$ `));
} else {
el.replaceWith(document.createTextNode(`\n\n$$${math}$$\n\n`));
}
});
// 2.4 行内元素
Array.from(clone.querySelectorAll('a')).forEach(el => {
if (el.href && !el.href.startsWith('javascript:') && !el.innerText.includes('http')) {
el.replaceWith(document.createTextNode(`[${el.innerText}](${el.href})`));
}
});
replaceWithText(clone.querySelectorAll('b, strong'), el => ` **${el.innerText.trim()}** `);
replaceWithText(clone.querySelectorAll('i, em'), el => ` *${el.innerText.trim()}* `);
// [Fix V3.6: 新增] 行内代码 (Inline Code) 支持
// 注意：必须在 code-block 和 pre 处理完之后运行，以免误伤块级代码
replaceWithText(clone.querySelectorAll('code'), el => ` \`${el.innerText}\` `);
// 2.5 块级元素
['h1', 'h2', 'h3', 'h4', 'h5', 'h6'].forEach((tag, idx) => {
replaceWithText(clone.querySelectorAll(tag), el => `\n\n${'#'.repeat(idx + 1)} ${el.innerText.trim()}\n\n`);
});
Array.from(clone.querySelectorAll('p')).forEach(p => {
const text = p.innerText.trim();
if (p.closest('li')) {
p.replaceWith(document.createTextNode(text));
} else {
p.replaceWith(document.createTextNode(`\n\n${text}\n\n`));
}
});
// 2.6 列表处理
const listItems = Array.from(clone.querySelectorAll('li'));
const getDepth = (el) => {
let depth = 0;
let p = el.parentElement;
while (p && p !== clone) {
if (p.tagName === 'UL' || p.tagName === 'OL') depth++;
p = p.parentElement;
}
return depth;
};
listItems.sort((a, b) => getDepth(b) - getDepth(a));
listItems.forEach(li => {
const depth = getDepth(li);
const indent = ' '.repeat(Math.max(0, depth - 1));
const parent = li.parentElement;
const isOrdered = parent && parent.tagName === 'OL';
let marker = '-';
if (isOrdered) {
let idx = 1;
let sib = li.previousElementSibling;
while (sib) {
if (sib.tagName === 'LI') idx++;
sib = sib.previousElementSibling;
}
marker = `${idx}.`;
}
let content = li.innerText.trim();
if (content.includes('\n')) {
const lines = content.split('\n');
content = lines.map((line, i) => i === 0 ? line.trim() : ` ${line.trim()}`).join('\n');
}
li.replaceWith(document.createTextNode(`\n${indent}${marker} ${content}`));
});
Array.from(clone.querySelectorAll('ul, ol')).forEach(list => {
list.replaceWith(document.createTextNode(list.innerText));
});
// 2.7 最终清洗
let text = clone.innerText;
text = text.replace(/([：:]) *-(?!\s)/g, '$1\n\n-');
text = text.replace(/>/g, '>').replace(/</g, '<').replace(/&/g, '&');
text = text.replace(/\n{3,}/g, '\n\n');
return text.split('\n').map(line => line.replace(/\s+$/, '')).join('\n').trim();
} catch (e) {
console.error("Gemini Copier Parse Error:", e);
return "[Parse Error]";
}
}
// === 3. 生成 Markdown (保持不变) ===
function generateMarkdown() {
let allMessages = Array.from(document.querySelectorAll('user-query, model-response'));
if (allMessages.length === 0) return null;
let messagesToProcess = allMessages;
if (selectedRoundOption !== 'all') {
const rounds = parseInt(selectedRoundOption, 10);
const sliceCount = rounds * 2;
const startIndex = Math.max(0, allMessages.length - sliceCount);
messagesToProcess = allMessages.slice(startIndex);
}
const mdOutput = [];
let validMsgCount = 0;
messagesToProcess.forEach(msg => {
let role = 'Unknown';
let textElement = null;
if (msg.tagName.toLowerCase() === 'user-query') {
role = 'User';
textElement = msg.querySelector('.query-text') || msg;
} else if (msg.tagName.toLowerCase() === 'model-response') {
role = 'Gemini';
textElement = msg.querySelector('.markdown') || msg.querySelector('.model-response-text') || msg;
}
if (exportMode === 'ai_only' && role === 'User') return;
const content = parseContent(textElement);
if (content) {
if (exportMode === 'ai_only') {
mdOutput.push(`${content}\n\n---\n`);
} else {
mdOutput.push(`## ${role}\n\n${content}\n\n---\n`);
}
validMsgCount++;
}
});
return { text: mdOutput.join('\n'), count: validMsgCount };
}
// === 4. UI 交互 (保持不变) ===
function showToast(message) {
let toast = document.getElementById('gmd-toast');
if (!toast) {
toast = document.createElement('div');
toast.id = 'gmd-toast';
toast.className = 'gmd-toast';
document.body.appendChild(toast);
}
toast.textContent = message;
toast.classList.add('show');
setTimeout(() => toast.classList.remove('show'), 2000);
}
function createButton(text, icon, className, onClick) {
const btn = document.createElement('button');
btn.className = className;
const iconSpan = document.createElement('span');
iconSpan.textContent = icon;
btn.appendChild(iconSpan);
btn.appendChild(document.createTextNode(' ' + text));
btn.onclick = onClick;
return btn;
}
function showPreviewModal(mdText) {
const oldOverlay = document.querySelector('.gmd-modal-overlay');
if (oldOverlay) oldOverlay.remove();
const overlay = document.createElement('div');
overlay.className = 'gmd-modal-overlay';
overlay.onclick = (e) => { if (e.target === overlay) overlay.remove(); };
const modal = document.createElement('div');
modal.className = 'gmd-modal';
const header = document.createElement('div');
header.className = 'gmd-header';
const title = document.createElement('span');
header.append(title, (() => {
const btn = document.createElement('span');
btn.className = 'gmd-close';
btn.textContent = '×';
btn.onclick = () => overlay.remove();
return btn;
})());
title.className = 'gmd-title';
title.textContent = 'Markdown 预览';
const body = document.createElement('div');
body.className = 'gmd-body';
const textarea = document.createElement('textarea');
textarea.className = 'gmd-textarea';
textarea.spellcheck = false;
textarea.value = mdText;
body.appendChild(textarea);
const footer = document.createElement('div');
footer.className = 'gmd-footer';
const copyBtn = createButton('复制', '', 'gmd-btn secondary', () => {
GM_setClipboard(textarea.value, 'text');
showToast('✅ 内容已复制');
});
const closeFooterBtn = createButton('关闭', '', 'gmd-btn', () => overlay.remove());
footer.append(copyBtn, closeFooterBtn);
modal.append(header, body, footer);
overlay.appendChild(modal);
document.body.appendChild(overlay);
textarea.select();
}
function handleExport(mode = 'copy') {
requestAnimationFrame(() => {
const result = generateMarkdown();
if (!result || result.text.length === 0) {
showToast('⚠️ 未检测到内容');
return;
}
if (mode === 'copy') {
GM_setClipboard(result.text, 'text');
showToast(`✅ 已复制 (共 ${result.count} 条消息)`);
} else if (mode === 'preview') {
showPreviewModal(result.text);
}
});
}
function createRoundSelect() {
const select = document.createElement('select');
select.className = 'gmd-select';
select.title = "选择要导出的对话轮数";
const options = [
{ val: '1', text: '最近 1 轮' },
{ val: '2', text: '最近 2 轮' },
{ val: '3', text: '最近 3 轮' },
{ val: '5', text: '最近 5 轮' },
{ val: 'all', text: '全部对话' }
];
options.forEach(opt => {
const option = document.createElement('option');
option.value = opt.val;
option.textContent = opt.text;
if (opt.val === selectedRoundOption) option.selected = true;
select.appendChild(option);
});
select.onchange = (e) => {
selectedRoundOption = e.target.value;
showToast(`范围: ${e.target.options[e.target.selectedIndex].text}`);
};
return select;
}
function createModeSelect() {
const select = document.createElement('select');
select.className = 'gmd-select';
select.title = "选择导出内容模式";
const options = [
{ val: 'full', text: '双人 (User+AI)' },
{ val: 'ai_only', text: '仅 AI 回复' }
];
options.forEach(opt => {
const option = document.createElement('option');
option.value = opt.val;
option.textContent = opt.text;
if (opt.val === exportMode) option.selected = true;
select.appendChild(option);
});
select.onchange = (e) => {
exportMode = e.target.value;
showToast(`模式: ${e.target.options[e.target.selectedIndex].text}`);
};
return select;
}
function initToolbar() {
if (document.getElementById('gemini-md-toolbar')) return;
const toolbar = document.createElement('div');
toolbar.id = 'gemini-md-toolbar';
toolbar.appendChild(createRoundSelect());
toolbar.appendChild(createModeSelect());
const divider = document.createElement('div');
divider.className = 'gmd-divider';
toolbar.appendChild(divider);
const btnPreview = createButton('预览', '👁️', 'gmd-btn secondary', () => handleExport('preview'));
const btnCopy = createButton('复制', '📋', 'gmd-btn', () => handleExport('copy'));
toolbar.appendChild(btnPreview);
toolbar.appendChild(btnCopy);
document.body.appendChild(toolbar);
}
function startScheduler() {
setInterval(() => {
const chatExists = document.querySelector('user-query, model-response');
const toolbar = document.getElementById('gemini-md-toolbar');
if (chatExists) {
if (!toolbar) {
initToolbar();
} else if (toolbar.style.display === 'none') {
toolbar.style.display = 'flex';
}
} else {
if (toolbar) {
toolbar.style.display = 'none';
}
}
}, 1000);
}
startScheduler();
GM_registerMenuCommand("复制 Markdown (当前设置)", () => handleExport('copy'));
})();