996 lines
33 KiB
JavaScript
996 lines
33 KiB
JavaScript
const STORAGE_KEY = 'nekoai.conversations';
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const ACCESS_KEY_STORAGE = 'nekoai.accessKey';
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const MODEL_STORAGE = 'nekoai.selectedModel';
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const API_BASE_URL = (window.NEKOAI_CONFIG?.API_BASE_URL || '').replace(/\/$/, '');
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const MAX_ATTACHMENT_SIZE = 15 * 1024 * 1024;
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const state = {
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conversations: loadConversations(),
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activeId: null,
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models: [],
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selectedModel: localStorage.getItem(MODEL_STORAGE) || '',
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sending: false,
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pendingAttachments: [],
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authenticated: false,
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liveThinkTimer: null,
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};
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const loginScreenEl = document.getElementById('loginScreen');
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const appShellEl = document.getElementById('appShell');
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const loginFormEl = document.getElementById('loginForm');
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const loginAccessKeyInputEl = document.getElementById('loginAccessKeyInput');
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const loginErrorEl = document.getElementById('loginError');
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const conversationListEl = document.getElementById('conversationList');
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const messagesEl = document.getElementById('messages');
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const chatFormEl = document.getElementById('chatForm');
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const messageInputEl = document.getElementById('messageInput');
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const newChatBtnEl = document.getElementById('newChatBtn');
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const sendBtnEl = document.getElementById('sendBtn');
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const clearAllBtnEl = document.getElementById('clearAllBtn');
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const modelDropdownEl = document.getElementById('modelDropdown');
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const modelDropdownButtonEl = document.getElementById('modelDropdownButton');
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const modelDropdownMenuEl = document.getElementById('modelDropdownMenu');
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const modelDropdownLabelEl = document.getElementById('modelDropdownLabel');
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const mobileSidebarToggleEl = document.getElementById('mobileSidebarToggle');
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const mobileSidebarBackdropEl = document.getElementById('mobileSidebarBackdrop');
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const fileInputEl = document.getElementById('fileInput');
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const attachBtnEl = document.getElementById('attachBtn');
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const attachmentListEl = document.getElementById('attachmentList');
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boot();
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function boot() {
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applyThemeByTime();
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const savedKey = localStorage.getItem(ACCESS_KEY_STORAGE) || '';
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loginAccessKeyInputEl.value = savedKey;
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if (!state.conversations.length) {
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const id = createConversation();
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state.activeId = id;
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} else {
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state.activeId = state.conversations[0].id;
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}
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bindEvents();
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autoResizeTextarea();
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renderConversationList();
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renderMessages();
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renderAttachments();
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renderModelDropdown();
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updateSendingState();
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if (savedKey) {
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loginWithKey(savedKey, false);
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} else {
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showLogin();
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}
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}
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function bindEvents() {
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loginFormEl.addEventListener('submit', async (event) => {
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event.preventDefault();
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const key = loginAccessKeyInputEl.value.trim();
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if (!key) {
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setLoginError('请先输入访问密钥');
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return;
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}
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await loginWithKey(key, true);
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});
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newChatBtnEl.addEventListener('click', () => {
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state.activeId = createConversation();
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persistConversations();
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renderConversationList();
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renderMessages();
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renderModelDropdown();
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focusComposer();
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});
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clearAllBtnEl.addEventListener('click', () => {
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if (!state.conversations.length) return;
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const confirmed = window.confirm('确认清空全部会话吗？清空后当前浏览器中的聊天记录将无法恢复。');
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if (!confirmed) return;
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state.conversations = [];
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state.activeId = createConversation();
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persistConversations();
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renderConversationList();
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renderMessages();
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renderModelDropdown();
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focusComposer();
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});
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modelDropdownButtonEl.addEventListener('click', () => {
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if (!state.models.length) return;
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const expanded = modelDropdownEl.classList.toggle('open');
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modelDropdownButtonEl.setAttribute('aria-expanded', expanded ? 'true' : 'false');
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});
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document.addEventListener('click', (event) => {
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if (!modelDropdownEl.contains(event.target)) {
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modelDropdownEl.classList.remove('open');
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modelDropdownButtonEl.setAttribute('aria-expanded', 'false');
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}
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});
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mobileSidebarToggleEl?.addEventListener('click', () => {
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appShellEl.classList.add('mobile-sidebar-open');
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mobileSidebarBackdropEl?.classList.remove('hidden');
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});
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mobileSidebarBackdropEl?.addEventListener('click', () => {
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closeMobileSidebar();
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});
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fileInputEl.addEventListener('change', async () => {
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const files = Array.from(fileInputEl.files || []);
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await addPendingFiles(files);
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fileInputEl.value = '';
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});
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messageInputEl.addEventListener('input', () => {
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autoResizeTextarea();
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});
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messageInputEl.addEventListener('keydown', (event) => {
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if (event.key === 'Enter' && !event.shiftKey) {
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event.preventDefault();
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chatFormEl.requestSubmit();
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}
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});
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chatFormEl.addEventListener('submit', async (event) => {
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event.preventDefault();
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if (state.sending) return;
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const text = messageInputEl.value.trim();
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if (!text && !state.pendingAttachments.length) return;
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const accessKey = localStorage.getItem(ACCESS_KEY_STORAGE) || '';
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if (!accessKey) {
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showLogin();
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return;
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}
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const model = state.selectedModel;
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if (!model) {
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alert('当前没有可用模型，请先刷新模型列表');
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return;
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}
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const conversation = getActiveConversation();
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conversation.updatedAt = Date.now();
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conversation.model = model;
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const userMessage = {
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role: 'user',
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content: text,
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createdAt: Date.now(),
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attachments: state.pendingAttachments.map((item) => ({
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name: item.name,
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type: item.type,
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size: item.size,
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kind: item.kind,
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})),
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};
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conversation.messages.push(userMessage);
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if (!conversation.title || conversation.title === '新会话') {
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conversation.title = (text || state.pendingAttachments[0]?.name || '新会话').slice(0, 24);
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}
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const assistantMessage = { role: 'assistant', content: '', createdAt: Date.now() };
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conversation.messages.push(assistantMessage);
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const pendingAttachments = [...state.pendingAttachments];
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state.pendingAttachments = [];
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renderAttachments();
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messageInputEl.value = '';
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autoResizeTextarea();
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state.sending = true;
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updateSendingState();
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persistConversations();
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renderConversationList();
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renderMessages();
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try {
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await sendChat(accessKey, model, conversation, assistantMessage, pendingAttachments);
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} catch (error) {
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assistantMessage.content = `请求失败：${error.message}`;
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} finally {
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state.sending = false;
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updateSendingState();
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conversation.updatedAt = Date.now();
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persistConversations();
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renderConversationList();
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renderMessages();
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focusComposer();
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}
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});
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}
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async function loginWithKey(key, surfaceError = true) {
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setLoginError('');
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loginAccessKeyInputEl.value = key;
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try {
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const response = await fetch(`${API_BASE_URL}/api/models`, {
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headers: { Authorization: `Bearer ${key}` },
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});
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const data = await response.json().catch(() => ({}));
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if (!response.ok) {
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throw new Error(data.error || '访问密钥无效');
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}
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localStorage.setItem(ACCESS_KEY_STORAGE, key);
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state.authenticated = true;
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state.models = Array.isArray(data.models) ? data.models : [];
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const activeConversation = getActiveConversation();
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const preferred = activeConversation?.model || state.selectedModel;
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state.selectedModel = state.models.find((item) => item.id === preferred)?.id || state.models[0]?.id || '';
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localStorage.setItem(MODEL_STORAGE, state.selectedModel);
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renderModelDropdown();
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showApp();
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focusComposer();
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return true;
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} catch (error) {
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state.authenticated = false;
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state.models = [];
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state.selectedModel = '';
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localStorage.removeItem(MODEL_STORAGE);
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localStorage.removeItem(ACCESS_KEY_STORAGE);
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renderModelDropdown();
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if (surfaceError) setLoginError(error.message || '登录失败');
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showLogin();
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return false;
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}
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}
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function showLogin() {
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loginScreenEl.classList.remove('hidden');
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appShellEl.classList.add('hidden');
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}
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function showApp() {
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loginScreenEl.classList.add('hidden');
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appShellEl.classList.remove('hidden');
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}
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function closeMobileSidebar() {
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appShellEl.classList.remove('mobile-sidebar-open');
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mobileSidebarBackdropEl?.classList.add('hidden');
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}
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function setLoginError(text) {
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loginErrorEl.textContent = text || '';
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}
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function renderModelDropdown() {
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const activeConversation = getActiveConversation();
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if (activeConversation?.model && state.models.find((item) => item.id === activeConversation.model)) {
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state.selectedModel = activeConversation.model;
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}
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const current = state.models.find((item) => item.id === state.selectedModel);
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modelDropdownLabelEl.textContent = current?.label || current?.id || '选择模型';
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modelDropdownMenuEl.innerHTML = '';
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modelDropdownButtonEl.disabled = !state.models.length;
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modelDropdownButtonEl.setAttribute('aria-expanded', modelDropdownEl.classList.contains('open') ? 'true' : 'false');
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if (!state.models.length) {
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modelDropdownEl.classList.remove('open');
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modelDropdownButtonEl.setAttribute('aria-expanded', 'false');
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const empty = document.createElement('div');
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empty.className = 'model-option empty';
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empty.textContent = '暂无模型';
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modelDropdownMenuEl.appendChild(empty);
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return;
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}
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state.models.forEach((model) => {
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const button = document.createElement('button');
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button.type = 'button';
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button.className = `model-option${model.id === state.selectedModel ? ' active' : ''}`;
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button.textContent = model.label || model.id;
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button.addEventListener('click', () => {
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state.selectedModel = model.id;
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localStorage.setItem(MODEL_STORAGE, model.id);
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const conversation = getActiveConversation();
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if (conversation) {
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conversation.model = model.id;
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conversation.updatedAt = Date.now();
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persistConversations();
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renderConversationList();
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}
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modelDropdownEl.classList.remove('open');
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modelDropdownButtonEl.setAttribute('aria-expanded', 'false');
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renderModelDropdown();
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});
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modelDropdownMenuEl.appendChild(button);
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});
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}
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async function addPendingFiles(files) {
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for (const file of files) {
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if (file.size > MAX_ATTACHMENT_SIZE) {
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alert(`${file.name} 超过 15MB，先跳过了。`);
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continue;
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}
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const kind = getAttachmentKind(file);
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let parsedText = null;
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// Office 文件：前端解析提取文本
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if (kind === 'docx') {
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try {
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const arrayBuffer = await readFileAsArrayBuffer(file);
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const result = await mammoth.extractRawText({ arrayBuffer });
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parsedText = result.value || '';
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} catch (err) {
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console.warn('mammoth 解析失败', err);
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}
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} else if (kind === 'xlsx') {
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try {
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const arrayBuffer = await readFileAsArrayBuffer(file);
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const workbook = XLSX.read(arrayBuffer, { type: 'array' });
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const lines = [];
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workbook.SheetNames.forEach((sheetName) => {
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const sheet = workbook.Sheets[sheetName];
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const csv = XLSX.utils.sheet_to_csv(sheet);
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if (csv.trim()) lines.push(`## Sheet: ${sheetName}\n${csv}`);
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});
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parsedText = lines.join('\n\n');
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} catch (err) {
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console.warn('SheetJS 解析失败', err);
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}
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} else if (kind === 'pptx') {
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try {
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const arrayBuffer = await readFileAsArrayBuffer(file);
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// pptx 本质是 zip，用 XLSX 的 zip 工具提取文本节点
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const zip = XLSX.read(arrayBuffer, { type: 'array' });
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const textParts = [];
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Object.keys(zip.Strings || {}).forEach((k) => {
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const v = zip.Strings[k];
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if (typeof v === 'string' && v.trim()) textParts.push(v.trim());
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});
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// 更可靠的方式：直接用 JSZip-like 解包（XLSX 内置 CFB/ZIP）
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// 若 zip.Strings 为空则给提示
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parsedText = textParts.length ? textParts.join('\n') : '（PPT 文本提取失败，内容可能为空）';
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} catch (err) {
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console.warn('pptx 解析失败', err);
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}
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}
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const dataUrl = await readFileAsDataURL(file);
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const base64 = dataUrl.split(',')[1] || '';
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state.pendingAttachments.push({
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id: crypto.randomUUID(),
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name: file.name,
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type: file.type || 'application/octet-stream',
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size: file.size,
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kind,
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dataUrl,
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base64,
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parsedText,
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});
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}
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renderAttachments();
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}
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function readFileAsArrayBuffer(file) {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.onload = () => resolve(reader.result);
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reader.onerror = () => reject(new Error(`读取文件失败：${file.name}`));
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reader.readAsArrayBuffer(file);
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});
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}
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function renderAttachments() {
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attachmentListEl.innerHTML = '';
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if (!state.pendingAttachments.length) return;
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state.pendingAttachments.forEach((file) => {
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const item = document.createElement('div');
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item.className = 'attachment-chip';
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item.innerHTML = `
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<div class="attachment-chip-main">
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<div class="attachment-name">${escapeHtml(file.name)}</div>
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<div class="attachment-meta">${formatBytes(file.size)} · ${escapeHtml(file.kind)}</div>
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</div>
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<button class="attachment-remove" type="button">×</button>
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`;
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item.querySelector('.attachment-remove').addEventListener('click', () => {
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state.pendingAttachments = state.pendingAttachments.filter((entry) => entry.id !== file.id);
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renderAttachments();
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});
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attachmentListEl.appendChild(item);
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});
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}
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async function sendChat(accessKey, model, conversation, assistantMessage, attachments) {
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const payload = buildChatPayload(model, conversation, assistantMessage, attachments);
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const response = await fetch(`${API_BASE_URL}/api/chat`, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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Authorization: `Bearer ${accessKey}`,
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},
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body: JSON.stringify(payload),
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});
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if (!response.ok) {
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const data = await response.json().catch(() => ({}));
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throw new Error(data.error || `HTTP ${response.status}`);
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}
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const contentType = response.headers.get('content-type') || '';
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if (!contentType.includes('text/event-stream')) {
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const data = await response.json();
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assistantMessage.content = extractAssistantText(data) || '上游返回为空';
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updateThinkTiming(assistantMessage, true);
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return;
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}
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const reader = response.body.getReader();
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const decoder = new TextDecoder();
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let buffer = '';
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while (true) {
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const { value, done } = await reader.read();
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if (done) break;
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buffer += decoder.decode(value, { stream: true });
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const parts = buffer.split('\n\n');
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buffer = parts.pop() || '';
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for (const part of parts) {
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const lines = part.split('\n');
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for (const line of lines) {
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if (!line.startsWith('data:')) continue;
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const data = line.slice(5).trim();
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if (!data || data === '[DONE]') continue;
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try {
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const json = JSON.parse(data);
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const delta = json.choices?.[0]?.delta?.content;
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if (typeof delta === 'string' && delta) {
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assistantMessage.content += delta;
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updateThinkTiming(assistantMessage);
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renderMessages();
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} else if (Array.isArray(delta)) {
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const text = delta.map((item) => item?.text || '').join('');
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if (text) {
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assistantMessage.content += text;
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updateThinkTiming(assistantMessage);
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renderMessages();
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}
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}
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} catch {
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// ignore invalid chunk
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}
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}
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}
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}
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}
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function buildChatPayload(model, conversation, assistantMessage, attachments) {
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const messages = conversation.messages
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.filter((item) => item !== assistantMessage)
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.map((item, index, arr) => {
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if (item.role !== 'user') {
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return { role: item.role, content: item.content };
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}
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const isLastUserMessage = index === arr.length - 1;
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const attachedFiles = isLastUserMessage ? attachments : [];
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return buildUserMessage(item, attachedFiles);
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});
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return {
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model,
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stream: true,
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messages,
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};
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}
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function buildUserMessage(message, attachments) {
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if (!attachments.length) {
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return { role: 'user', content: message.content || '' };
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}
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const promptText = message.content || '请读取并处理这些附件。';
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const content = [];
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// 先放主文本
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if (promptText) {
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content.push({ type: 'text', text: promptText });
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}
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const nonInlineable = [];
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attachments.forEach((file) => {
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if (file.kind === 'image') {
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// 图片：用 image_url + base64 data URL（OpenAI 标准）
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content.push({
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type: 'image_url',
|
||
image_url: { url: file.dataUrl },
|
||
});
|
||
} else if (file.kind === 'text') {
|
||
// 文本类文件：解码 base64，内联为 text block
|
||
let decoded = '';
|
||
try {
|
||
decoded = atob(file.base64);
|
||
// 尝试 UTF-8 解码（处理多字节字符）
|
||
decoded = new TextDecoder('utf-8').decode(
|
||
Uint8Array.from(atob(file.base64), (c) => c.charCodeAt(0))
|
||
);
|
||
} catch {
|
||
decoded = file.base64;
|
||
}
|
||
content.push({
|
||
type: 'text',
|
||
text: `文件名：${file.name}\n内容：\n\`\`\`\n${decoded}\n\`\`\``,
|
||
});
|
||
} else {
|
||
// PDF / 其他二进制：记录下来，后面统一追加描述
|
||
nonInlineable.push(file);
|
||
}
|
||
});
|
||
|
||
// 不可内联的文件：追加描述性文本
|
||
if (nonInlineable.length) {
|
||
const desc = nonInlineable
|
||
.map((f) => `- ${f.name} (${f.type || 'application/octet-stream'}, ${formatBytes(f.size)})`)
|
||
.join('\n');
|
||
content.push({
|
||
type: 'text',
|
||
text: `以下附件无法直接内联，仅供参考：\n${desc}`,
|
||
});
|
||
}
|
||
|
||
return { role: 'user', content };
|
||
}
|
||
|
||
function extractAssistantText(data) {
|
||
const content = data?.choices?.[0]?.message?.content;
|
||
if (typeof content === 'string') return content;
|
||
if (Array.isArray(content)) {
|
||
return content
|
||
.map((item) => item?.text || item?.content || '')
|
||
.filter(Boolean)
|
||
.join('\n');
|
||
}
|
||
return '';
|
||
}
|
||
|
||
function createConversation() {
|
||
const conversation = {
|
||
id: crypto.randomUUID(),
|
||
title: '新会话',
|
||
model: localStorage.getItem(MODEL_STORAGE) || '',
|
||
createdAt: Date.now(),
|
||
updatedAt: Date.now(),
|
||
messages: [],
|
||
};
|
||
|
||
state.conversations.unshift(conversation);
|
||
return conversation.id;
|
||
}
|
||
|
||
function sanitizeConversation(rawConversation) {
|
||
if (!rawConversation || typeof rawConversation !== 'object') return null;
|
||
|
||
const messages = Array.isArray(rawConversation.messages)
|
||
? rawConversation.messages
|
||
.filter((message) => message && typeof message === 'object')
|
||
.map((message) => ({
|
||
role: message.role === 'assistant' ? 'assistant' : 'user',
|
||
content: typeof message.content === 'string' ? message.content : '',
|
||
createdAt: Number.isFinite(message.createdAt) ? message.createdAt : Date.now(),
|
||
thinkMs: Number.isFinite(message.thinkMs) ? message.thinkMs : undefined,
|
||
attachments: Array.isArray(message.attachments)
|
||
? message.attachments
|
||
.filter((file) => file && typeof file === 'object')
|
||
.map((file) => ({
|
||
name: typeof file.name === 'string' ? file.name : '未命名附件',
|
||
type: typeof file.type === 'string' ? file.type : 'application/octet-stream',
|
||
size: Number.isFinite(file.size) ? file.size : 0,
|
||
kind: typeof file.kind === 'string' ? file.kind : 'file',
|
||
}))
|
||
: [],
|
||
}))
|
||
: [];
|
||
|
||
return {
|
||
id: typeof rawConversation.id === 'string' && rawConversation.id ? rawConversation.id : crypto.randomUUID(),
|
||
title: typeof rawConversation.title === 'string' && rawConversation.title.trim() ? rawConversation.title.trim() : '新会话',
|
||
model: typeof rawConversation.model === 'string' ? rawConversation.model : '',
|
||
createdAt: Number.isFinite(rawConversation.createdAt) ? rawConversation.createdAt : Date.now(),
|
||
updatedAt: Number.isFinite(rawConversation.updatedAt) ? rawConversation.updatedAt : Date.now(),
|
||
messages,
|
||
};
|
||
}
|
||
|
||
function deleteConversation(id) {
|
||
const target = state.conversations.find((item) => item.id === id);
|
||
if (!target) return;
|
||
|
||
const confirmed = window.confirm(`确认删除会话「${target.title || '新会话'}」吗？删除后无法恢复。`);
|
||
if (!confirmed) return;
|
||
|
||
state.conversations = state.conversations.filter((item) => item.id !== id);
|
||
|
||
if (!state.conversations.length) {
|
||
state.activeId = createConversation();
|
||
} else if (state.activeId === id) {
|
||
state.activeId = state.conversations[0].id;
|
||
}
|
||
|
||
persistConversations();
|
||
renderConversationList();
|
||
renderMessages();
|
||
renderModelDropdown();
|
||
}
|
||
|
||
function getActiveConversation() {
|
||
return state.conversations.find((item) => item.id === state.activeId);
|
||
}
|
||
|
||
function renderConversationList() {
|
||
conversationListEl.innerHTML = '';
|
||
|
||
state.conversations
|
||
.sort((a, b) => b.updatedAt - a.updatedAt)
|
||
.forEach((conversation) => {
|
||
const item = document.createElement('div');
|
||
item.className = `conversation-item${conversation.id === state.activeId ? ' active' : ''}`;
|
||
item.innerHTML = `
|
||
<button class="conversation-main" type="button">
|
||
<div class="conversation-title">${escapeHtml(conversation.title || '新会话')}</div>
|
||
<small class="conversation-time">${new Date(conversation.updatedAt).toLocaleString()}</small>
|
||
</button>
|
||
<button class="conversation-delete" type="button" aria-label="删除会话">×</button>
|
||
`;
|
||
|
||
item.querySelector('.conversation-main').addEventListener('click', () => {
|
||
state.activeId = conversation.id;
|
||
renderConversationList();
|
||
renderMessages();
|
||
renderModelDropdown();
|
||
closeMobileSidebar();
|
||
});
|
||
|
||
item.querySelector('.conversation-delete').addEventListener('click', (event) => {
|
||
event.stopPropagation();
|
||
deleteConversation(conversation.id);
|
||
});
|
||
|
||
conversationListEl.appendChild(item);
|
||
});
|
||
}
|
||
|
||
// ── 思考计时 ──────────────────────────────────────────────────────────────
|
||
// assistantMessage.thinkStart : <think> 出现时记录的 Date.now()
|
||
// assistantMessage.thinkMs : </think> 出现时写入的耗时毫秒，写入后删除 thinkStart
|
||
|
||
function updateThinkTiming(message, forceClose = false) {
|
||
const text = String(message.content || '');
|
||
const hasOpen = /<think>/i.test(text);
|
||
const hasClose = /<\/think>/i.test(text);
|
||
|
||
if (hasOpen && !message.thinkStart && !('thinkMs' in message)) {
|
||
message.thinkStart = Date.now();
|
||
}
|
||
|
||
if ((hasClose || forceClose) && message.thinkStart && !('thinkMs' in message)) {
|
||
message.thinkMs = Date.now() - message.thinkStart;
|
||
delete message.thinkStart;
|
||
}
|
||
}
|
||
|
||
function renderMessages() {
|
||
const conversation = getActiveConversation();
|
||
|
||
if (!conversation || !conversation.messages.length) {
|
||
stopLiveThinkTicker();
|
||
messagesEl.innerHTML = '';
|
||
const empty = document.createElement('div');
|
||
empty.className = 'empty-state';
|
||
empty.innerHTML = `
|
||
<div class="empty-state-box">
|
||
<h2>今天想聊点什么？</h2>
|
||
<p>输入访问密钥，选择模型，然后直接开始对话。支持上传图片、文档、压缩包等附件。</p>
|
||
</div>
|
||
`;
|
||
messagesEl.appendChild(empty);
|
||
return;
|
||
}
|
||
|
||
// 如果有正在思考的消息，只更新计时器文字，不重绘整个列表
|
||
const thinkingMsg = conversation.messages.find((m) => m.thinkStart);
|
||
if (thinkingMsg && messagesEl.children.length > 0) {
|
||
const elapsed = Date.now() - thinkingMsg.thinkStart;
|
||
const timerEl = messagesEl.querySelector('.message-think.is-live .think-timer');
|
||
if (timerEl) {
|
||
timerEl.textContent = formatThinkDuration(elapsed);
|
||
startLiveThinkTicker();
|
||
return;
|
||
}
|
||
}
|
||
|
||
// 全量重绘
|
||
const scrollNearBottom = Math.abs(messagesEl.scrollHeight - messagesEl.scrollTop - messagesEl.clientHeight) < 80;
|
||
messagesEl.innerHTML = '';
|
||
|
||
conversation.messages.forEach((message) => {
|
||
const row = document.createElement('div');
|
||
const isAssistant = message.role === 'assistant';
|
||
row.className = `message-row ${isAssistant ? 'assistant-row' : 'user-row'}`;
|
||
row.innerHTML = isAssistant
|
||
? `<div class="avatar assistant">N</div><div class="message-bubble"><div class="message-role">NekoAI</div><div class="message-content"></div><div class="message-attachments"></div></div>`
|
||
: `<div class="message-bubble"><div class="message-role">用户</div><div class="message-content"></div><div class="message-attachments"></div></div>`;
|
||
|
||
renderMessageContent(row.querySelector('.message-content'), message);
|
||
|
||
// 用户消息内容为空时隐藏气泡（如纯附件消息）
|
||
if (message.role === 'user') {
|
||
const contentEl = row.querySelector('.message-content');
|
||
if (!contentEl.children.length && !contentEl.textContent.trim()) {
|
||
contentEl.style.display = 'none';
|
||
}
|
||
}
|
||
|
||
const attachmentWrap = row.querySelector('.message-attachments');
|
||
if (message.attachments?.length) {
|
||
message.attachments.forEach((file) => {
|
||
const chip = document.createElement('div');
|
||
chip.className = 'message-attachment-chip';
|
||
chip.textContent = `${file.name} · ${formatBytes(file.size)}`;
|
||
attachmentWrap.appendChild(chip);
|
||
});
|
||
}
|
||
|
||
messagesEl.appendChild(row);
|
||
});
|
||
|
||
if (thinkingMsg) startLiveThinkTicker();
|
||
else stopLiveThinkTicker();
|
||
|
||
if (scrollNearBottom) messagesEl.scrollTop = messagesEl.scrollHeight;
|
||
}
|
||
|
||
function renderMessageContent(container, message) {
|
||
container.innerHTML = '';
|
||
const raw = String(message.content || '');
|
||
const isThinking = Boolean(message.thinkStart);
|
||
|
||
// 剥离思考内容，主文本永远不含 <think> 块
|
||
const mainText = raw
|
||
.replace(/<think>[\s\S]*?<\/think>/gi, '')
|
||
.replace(/<think>[\s\S]*$/gi, '')
|
||
.trim();
|
||
|
||
// 思考框：只对 assistant 消息，且确实含有 <think> 标记才渲染
|
||
const hasThink = message.role === 'assistant' && (
|
||
isThinking || Number.isFinite(message.thinkMs) || /<think>/i.test(raw)
|
||
);
|
||
if (hasThink) {
|
||
// 提取已收到的思考内容（无论是否完成）
|
||
let thinkContent = '';
|
||
if (isThinking) {
|
||
// 还在思考中：提取 <think> 之后的所有内容（不需要闭合标签）
|
||
const m = raw.match(/<think>([\s\S]*)$/i);
|
||
thinkContent = m ? m[1].trim() : '';
|
||
} else {
|
||
// 思考完成：提取 <think>...</think> 中间的内容
|
||
thinkContent = [...raw.matchAll(/<think>([\s\S]*?)<\/think>/gi)]
|
||
.map((m) => m[1].trim()).join('\n\n');
|
||
}
|
||
|
||
const ms = isThinking ? (Date.now() - message.thinkStart) : (message.thinkMs || 0);
|
||
const isOpen = Boolean(message._thinkOpen);
|
||
|
||
const details = document.createElement('details');
|
||
details.className = `message-think${isThinking ? ' is-live' : ''}`;
|
||
if (isOpen) details.open = true;
|
||
details.innerHTML = `
|
||
<summary>
|
||
<span>思考过程</span>
|
||
<span class="think-timer">${formatThinkDuration(ms)}</span>
|
||
</summary>
|
||
${thinkContent ? `<div class="message-think-body">${renderMarkdown(thinkContent)}</div>` : ''}
|
||
`;
|
||
details.addEventListener('toggle', () => { message._thinkOpen = details.open; });
|
||
container.appendChild(details);
|
||
}
|
||
|
||
// 主文本（marked.js 会自动处理图片）
|
||
if (mainText) {
|
||
const div = document.createElement('div');
|
||
div.innerHTML = renderMarkdown(mainText);
|
||
// 给 marked 渲染出来的 img 加上样式类
|
||
div.querySelectorAll('img').forEach((img) => {
|
||
img.className = 'message-inline-image';
|
||
});
|
||
container.appendChild(div);
|
||
}
|
||
}
|
||
|
||
function renderMarkdown(input) {
|
||
const renderer = new marked.Renderer();
|
||
|
||
renderer.code = ({ text, lang }) => {
|
||
const escaped = text.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
|
||
return `<pre class="md-pre"><code>${escaped}</code></pre>`;
|
||
};
|
||
|
||
renderer.image = ({ href, title, text }) => {
|
||
if (!href) return '';
|
||
const isVideo = /\.(mp4|webm|ogg|mov)([?#]|$)/i.test(href) || /video/i.test(href);
|
||
if (isVideo) {
|
||
return `<video class="message-inline-video" controls playsinline preload="metadata" style="max-width:100%;border-radius:12px;margin-top:8px">
|
||
<source src="${href}">
|
||
<a href="${href}" target="_blank">点击查看视频</a>
|
||
</video>`;
|
||
}
|
||
const alt = text || title || '';
|
||
return `<img class="message-inline-image" src="${href}" alt="${alt}">`;
|
||
};
|
||
|
||
renderer.link = ({ href, title, text }) => {
|
||
if (!href) return text;
|
||
const isVideo = /\.(mp4|webm|ogg|mov)([?#]|$)/i.test(href) || /video/i.test(href);
|
||
if (isVideo) {
|
||
return `<video class="message-inline-video" controls playsinline preload="metadata" style="max-width:100%;border-radius:12px;margin-top:8px">
|
||
<source src="${href}">
|
||
<a href="${href}" target="_blank">点击查看视频</a>
|
||
</video>`;
|
||
}
|
||
return `<a href="${href}" target="_blank" rel="noopener noreferrer">${text}</a>`;
|
||
};
|
||
|
||
return marked.parse(String(input || ''), { renderer, breaks: true });
|
||
}
|
||
|
||
function extractImageDataUrls(text) {
|
||
const matches = String(text || '').match(/data:image\/[a-zA-Z0-9.+-]+;base64,[A-Za-z0-9+/=\n\r]+/g);
|
||
return matches ? matches.map((item) => item.replace(/[\n\r]/g, '')) : [];
|
||
}
|
||
|
||
function formatThinkDuration(ms) {
|
||
if (!ms) return '0.0 秒';
|
||
if (ms < 60000) return `${(ms / 1000).toFixed(1)} 秒`;
|
||
const minutes = Math.floor(ms / 60000);
|
||
const seconds = ((ms % 60000) / 1000).toFixed(1);
|
||
return `${minutes} 分 ${seconds} 秒`;
|
||
}
|
||
|
||
function removeImageDataUrls(text) {
|
||
return String(text || '').replace(/data:image\/[a-zA-Z0-9.+-]+;base64,[A-Za-z0-9+/=\n\r]+/g, '').trim();
|
||
}
|
||
|
||
function startLiveThinkTicker() {
|
||
if (state.liveThinkTimer) return;
|
||
state.liveThinkTimer = setInterval(() => {
|
||
renderMessages();
|
||
}, 1000);
|
||
}
|
||
|
||
function stopLiveThinkTicker() {
|
||
if (!state.liveThinkTimer) return;
|
||
clearInterval(state.liveThinkTimer);
|
||
state.liveThinkTimer = null;
|
||
}
|
||
|
||
function updateSendingState() {
|
||
sendBtnEl.disabled = state.sending;
|
||
sendBtnEl.textContent = state.sending ? '发送中...' : '发送';
|
||
}
|
||
|
||
function autoResizeTextarea() {
|
||
messageInputEl.style.height = '32px';
|
||
const maxHeight = 220;
|
||
const nextHeight = Math.min(Math.max(messageInputEl.scrollHeight, 32), maxHeight);
|
||
messageInputEl.style.height = `${nextHeight}px`;
|
||
messageInputEl.style.overflowY = messageInputEl.scrollHeight > maxHeight ? 'auto' : 'hidden';
|
||
}
|
||
|
||
function focusComposer() {
|
||
messageInputEl.focus();
|
||
}
|
||
|
||
function applyThemeByTime() {
|
||
const hour = new Date().getHours();
|
||
const isLight = hour >= 7 && hour < 19;
|
||
document.body.classList.toggle('theme-light', isLight);
|
||
}
|
||
|
||
function persistConversations() {
|
||
const safeConversations = state.conversations.map((conversation) => sanitizeConversation(conversation)).filter(Boolean);
|
||
localStorage.setItem(STORAGE_KEY, JSON.stringify(safeConversations));
|
||
}
|
||
|
||
function loadConversations() {
|
||
try {
|
||
const raw = localStorage.getItem(STORAGE_KEY);
|
||
if (!raw) return [];
|
||
const parsed = JSON.parse(raw);
|
||
if (!Array.isArray(parsed)) return [];
|
||
return parsed.map((conversation) => sanitizeConversation(conversation)).filter(Boolean);
|
||
} catch {
|
||
return [];
|
||
}
|
||
}
|
||
|
||
function getAttachmentKind(file) {
|
||
if (file.type?.startsWith('image/')) return 'image';
|
||
const textTypes = [
|
||
'text/',
|
||
'application/json',
|
||
'application/xml',
|
||
'application/javascript',
|
||
'application/typescript',
|
||
'application/x-yaml',
|
||
'application/x-sh',
|
||
'application/x-python',
|
||
];
|
||
if (textTypes.some((t) => file.type?.startsWith(t))) return 'text';
|
||
const textExts = /\.(txt|md|markdown|csv|json|xml|yaml|yml|toml|ini|cfg|conf|log|sh|bash|zsh|py|js|ts|jsx|tsx|java|c|cpp|h|hpp|cs|go|rs|rb|php|swift|kt|scala|r|sql|html|htm|css|scss|sass|less|vue|svelte|astro|diff|patch)$/i;
|
||
if (textExts.test(file.name)) return 'text';
|
||
if (file.type === 'application/pdf') return 'pdf';
|
||
const docxTypes = [
|
||
'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
|
||
'application/msword',
|
||
];
|
||
const xlsxTypes = [
|
||
'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
|
||
'application/vnd.ms-excel',
|
||
];
|
||
const pptxTypes = [
|
||
'application/vnd.openxmlformats-officedocument.presentationml.presentation',
|
||
'application/vnd.ms-powerpoint',
|
||
];
|
||
if (docxTypes.includes(file.type) || /\.(docx|doc)$/i.test(file.name)) return 'docx';
|
||
if (xlsxTypes.includes(file.type) || /\.(xlsx|xls)$/i.test(file.name)) return 'xlsx';
|
||
if (pptxTypes.includes(file.type) || /\.(pptx|ppt)$/i.test(file.name)) return 'pptx';
|
||
return 'file';
|
||
}
|
||
|
||
function readFileAsDataURL(file) {
|
||
return new Promise((resolve, reject) => {
|
||
const reader = new FileReader();
|
||
reader.onload = () => resolve(String(reader.result || ''));
|
||
reader.onerror = () => reject(new Error(`读取文件失败：${file.name}`));
|
||
reader.readAsDataURL(file);
|
||
});
|
||
}
|
||
|
||
function formatBytes(bytes) {
|
||
if (!bytes) return '0 B';
|
||
const units = ['B', 'KB', 'MB', 'GB'];
|
||
let value = bytes;
|
||
let idx = 0;
|
||
while (value >= 1024 && idx < units.length - 1) {
|
||
value /= 1024;
|
||
idx += 1;
|
||
}
|
||
return `${value >= 10 || idx === 0 ? value.toFixed(0) : value.toFixed(1)} ${units[idx]}`;
|
||
}
|
||
|
||
function escapeHtml(text) {
|
||
return String(text)
|
||
.replaceAll('&', '&')
|
||
.replaceAll('<', '<')
|
||
.replaceAll('>', '>')
|
||
.replaceAll('"', '"')
|
||
.replaceAll("'", ''');
|
||
}
|