Google AI Studio | Conversation/Chat Markdown-Export/Download (API-Based)

Exports the full conversation to Markdown. Uses a recursive scanner to find the chat history regardless of API changes.

当前为 2025-11-30 提交的版本,查看 最新版本

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Google AI Studio | Conversation/Chat Markdown-Export/Download (API-Based)
// @namespace    Violentmonkey
// @version      1.5
// @description  Exports the full conversation to Markdown. Uses a recursive scanner to find the chat history regardless of API changes.
// @author       Vibe-Coded by Piknockyou
// @license      MIT
// @match        https://aistudio.google.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=aistudio.google.com
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function() {
    'use strict';

    //================================================================================
    // GLOBAL STATE
    //================================================================================
    let capturedChatData = null;
    let downloadButton = null;
    let downloadIcon = null;

    function log(msg, type = 'info') {
        const color = type === 'success' ? '#34a853' : type === 'error' ? '#ea4335' : '#e8eaed';
        console.log(`%c[AI Studio Export] ${msg}`, `color: ${color}; font-weight: bold;`);
    }

    //================================================================================
    // CORE API INTERCEPTOR
    //================================================================================
    const originalOpen = XMLHttpRequest.prototype.open;
    const originalSend = XMLHttpRequest.prototype.send;

    XMLHttpRequest.prototype.open = function(method, url) {
        this._url = url;
        return originalOpen.apply(this, arguments);
    };

    XMLHttpRequest.prototype.send = function(body) {
        this.addEventListener('load', function() {
            if (this._url && this._url.includes('ResolveDriveResource')) {
                try {
                    const rawText = this.responseText.replace(/^\)\]\}'/, '').trim();
                    const json = JSON.parse(rawText);

                    if (Array.isArray(json) && json.length > 0) {
                        log('Data intercepted. Size: ' + rawText.length + ' chars.', 'success');
                        capturedChatData = json;
                    }
                } catch (err) {
                    log('Interceptor Error: ' + err.message, 'error');
                }
            }
        });
        return originalSend.apply(this, arguments);
    };

    //================================================================================
    // RECURSIVE SEARCH LOGIC (The Fix)
    //================================================================================

    function isTurn(arr) {
        if (!Array.isArray(arr)) return false;
        return arr.includes('user') || arr.includes('model');
    }

    function findHistoryRecursive(node, depth = 0) {
        if (depth > 4) return null;
        if (!Array.isArray(node)) return null;

        const firstFew = node.slice(0, 5);
        const childrenAreTurns = firstFew.some(child => isTurn(child));

        if (childrenAreTurns) {
            log(`Found History at depth ${depth}. Contains ${node.length} items.`);
            return node;
        }

        for (const child of node) {
            if (Array.isArray(child)) {
                const result = findHistoryRecursive(child, depth + 1);
                if (result) return result;
            }
        }
        return null;
    }

    function extractTextFromTurn(turn) {
        let candidates = [];

        function scan(item, d=0) {
            if (d > 3) return;
            if (typeof item === 'string' && item.length > 1) {
                if (!['user', 'model', 'function'].includes(item)) candidates.push(item);
            } else if (Array.isArray(item)) {
                item.forEach(sub => scan(sub, d+1));
            }
        }

        scan(turn.slice(0, 3));
        return candidates.sort((a, b) => b.length - a.length)[0] || "";
    }

    //================================================================================
    // PARSING & DOWNLOAD
    //================================================================================
    function processAndDownload() {
        if (!capturedChatData) {
            log('No data available yet. Nothing to download.', 'error');
            updateButtonState('ERROR');
            return;
        }

        try {
            const root = capturedChatData[0];

            let title = `AI_Studio_Export_${new Date().toISOString().slice(0,10)}`;
            if (Array.isArray(root[4]) && typeof root[4][0] === 'string') title = root[4][0];

            const safeFilename = title.replace(/[<>:"/\\|?*]/g, '_').trim().substring(0, 100) + ".md";

            const historyArray = findHistoryRecursive(root);

            if (!historyArray) {
                console.warn("Recursive search failed. dumping root:", root);
                throw new Error("Could not locate chat history in API response.");
            }

            let mdContent = `# ${title}\n\n`;

            historyArray.forEach((turn) => {
                const isUser = turn.includes('user');
                const isModel = turn.includes('model');
                const displayName = isUser ? 'USER' : (isModel ? 'MODEL' : 'UNKNOWN');

                let text = extractTextFromTurn(turn);

                if (text) {
                    mdContent += `### **${displayName}**\n\n${text}\n\n---\n\n`;
                }
            });

            const blob = new Blob([mdContent], { type: 'text/markdown;charset=utf-8' });
            const url = URL.createObjectURL(blob);
            const a = document.createElement('a');
            a.href = url;
            a.download = safeFilename;
            document.body.appendChild(a);
            a.click();
            document.body.removeChild(a);
            URL.revokeObjectURL(url);

            updateButtonState('SUCCESS');

        } catch (e) {
            log('Parsing failed: ' + e.message, 'error');
            updateButtonState('ERROR');
        }
    }

    //================================================================================
    // UI INTEGRATION
    //================================================================================
    function updateButtonState(state) {
        if (!downloadButton || !downloadIcon) return;

        downloadIcon.style.color = '#34a853'; // Always green by default
        downloadButton.style.opacity = '1';
        downloadButton.style.cursor = 'pointer';
        downloadButton.disabled = false;
        downloadButton.title = 'Download Full Chat (.md)';

        switch (state) {
            case 'SUCCESS':
                downloadIcon.textContent = 'check_circle';
                downloadButton.title = 'Export Successful!';
                setTimeout(() => updateButtonState('READY'), 3000);
                break;

            case 'ERROR':
                downloadIcon.textContent = 'error';
                downloadIcon.style.color = '#ea4335';
                downloadButton.title = 'No data available';
                alert('No chat data available yet.\n\nPlease refresh the page and try again.');
                setTimeout(() => updateButtonState('READY'), 3000);
                break;

            default: // READY or any other state
                downloadIcon.textContent = 'download';
                break;
        }
    }

    function createUI() {
        const toolbarRight = document.querySelector('ms-toolbar .toolbar-right');
        if (!toolbarRight || document.getElementById('aistudio-api-export-btn')) return;

        log('Injecting Native Toolbar Button...');

        const buttonContainer = document.createElement('div');
        buttonContainer.style.cssText = 'display: flex; align-items: center; margin: 0 4px; position: relative;';

        downloadButton = document.createElement('button');
        downloadButton.id = 'aistudio-api-export-btn';
        downloadButton.setAttribute('ms-button', '');
        downloadButton.setAttribute('variant', 'icon-borderless');
        downloadButton.className = 'mat-mdc-tooltip-trigger ms-button-borderless ms-button-icon';
        downloadButton.style.cursor = 'pointer';

        downloadIcon = document.createElement('span');
        downloadIcon.className = 'material-symbols-outlined notranslate ms-button-icon-symbol';
        downloadIcon.textContent = 'download';

        downloadButton.appendChild(downloadIcon);
        buttonContainer.appendChild(downloadButton);

        const moreButton = toolbarRight.querySelector('button[iconname="more_vert"]');
        if (moreButton) {
            toolbarRight.insertBefore(buttonContainer, moreButton);
        } else {
            toolbarRight.appendChild(buttonContainer);
        }

        downloadButton.addEventListener('click', processAndDownload);
        updateButtonState('READY');
    }

    function initialize() {
        createUI();
        const observer = new MutationObserver((mutations) => {
            for (const mutation of mutations) {
                if (mutation.type === 'childList') {
                    const toolbar = document.querySelector('ms-toolbar .toolbar-right');
                    if (toolbar) createUI();
                }
            }
        });
        observer.observe(document.body, { childList: true, subtree: true });
    }

    //================================================================================
    // NAVIGATION HANDLER (Clears data on chat switch/new prompt)
    //================================================================================
    function clearCapturedData() {
        capturedChatData = null;
        // Button stays green - user can click anytime
    }

    const originalPushState = history.pushState;
    const originalReplaceState = history.replaceState;

    history.pushState = function() {
        clearCapturedData();
        return originalPushState.apply(this, arguments);
    };

    history.replaceState = function() {
        clearCapturedData();
        return originalReplaceState.apply(this, arguments);
    };

    window.addEventListener('popstate', clearCapturedData);

    if (document.readyState === 'loading') {
        window.addEventListener('DOMContentLoaded', initialize);
    } else {
        initialize();
    }


})();