Metona
7f31034073
- utils.js: 新增 fileToText() 读取文件文本、detectLanguage() 识别编程语言
- index.html: 新增文件上传按钮(📄)和文件预览容器
- input-area.js: 完整文件上传流程(校验/读取/预览/消息构造/发送)
- style.css: 文件 chip 预览样式
支持 50+ 种文本/代码扩展名，文件内容以代码块格式嵌入消息。
单文件限制 500KB，支持多文件同时上传。
459 lines
16 KiB
JavaScript
459 lines
16 KiB
JavaScript
/**
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* InputArea - 输入区域组件
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* 包含文本输入、图片上传、文件上传、发送逻辑
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*/
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import { state, KEYS } from '../state.js';
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import { fileToBase64, fileToText, detectLanguage, debounce, truncate, escapeHtml, formatSize } from '../utils.js';
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import { getSelectedModel, isThinkEnabled } from './model-bar.js';
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import {
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renderMessages, appendAssistantPlaceholder, appendSystemMessage,
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updateLastAssistantMessage, clearMessages, safeMarkdown
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} from './chat-area.js';
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import { showToast } from './toast.js';
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import { checkConnection } from './header.js';
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let chatInputEl, btnSendEl, fileInputEl, textFileInputEl, imagePreviewEl, filePreviewEl;
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let pendingImages = [];
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let pendingFiles = [];
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/** 常见文本/代码文件扩展名集合（用于校验） */
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const TEXT_EXTENSIONS = new Set([
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'txt','md','markdown','rst','log','csv','tsv',
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'py','pyw','pyi','js','mjs','cjs','ts','tsx','jsx',
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'java','c','h','cpp','cc','cxx','hpp','go','rs','rb','php',
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'sh','bash','zsh','fish','sql','html','htm','css',
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'json','jsonl','xml','svg','yaml','yml','toml','ini','cfg','conf',
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'swift','kt','kts','scala','lua','r','m','mm',
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'cs','fs','vb','ex','exs','erl','hs','clj','lisp',
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'diff','patch','pl','dockerfile','makefile'
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]);
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/** 最大文件大小 500KB */
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const MAX_FILE_SIZE = 500 * 1024;
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/** 判断是否为文本/代码文件 */
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function isTextFile(file) {
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// 无扩展名的特殊文件名
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const name = file.name.toLowerCase();
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if (name === 'dockerfile' || name === 'makefile') return true;
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const ext = name.split('.').pop();
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return TEXT_EXTENSIONS.has(ext);
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}
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export function initInputArea() {
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chatInputEl = document.querySelector('#chatInput');
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btnSendEl = document.querySelector('#btnSend');
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fileInputEl = document.querySelector('#fileInput');
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textFileInputEl = document.querySelector('#textFileInput');
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imagePreviewEl = document.querySelector('#imagePreview');
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filePreviewEl = document.querySelector('#filePreview');
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// 发送 / 停止
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btnSendEl.addEventListener('click', () => {
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if (state.get(KEYS.IS_STREAMING)) {
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stopGeneration();
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} else {
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sendMessage();
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}
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});
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chatInputEl.addEventListener('keydown', (e) => {
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if (e.key === 'Enter' && !e.shiftKey) {
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e.preventDefault();
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sendMessage();
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}
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});
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// 输入框自动调整
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chatInputEl.addEventListener('input', autoResizeTextarea);
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// 图片上传
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document.querySelector('#btnAttachImg').addEventListener('click', () => fileInputEl.click());
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fileInputEl.addEventListener('change', (e) => {
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handleImageSelect(e.target.files);
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e.target.value = '';
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});
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// 文件上传（文本/代码）
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document.querySelector('#btnAttachFile').addEventListener('click', () => textFileInputEl.click());
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textFileInputEl.addEventListener('change', (e) => {
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handleTextFileSelect(e.target.files);
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e.target.value = '';
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});
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// 删除图片预览
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imagePreviewEl.addEventListener('click', (e) => {
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if (e.target.classList.contains('remove-img')) {
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const idx = parseInt(e.target.dataset.index);
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pendingImages.splice(idx, 1);
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renderImagePreviews();
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}
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});
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// 删除文件预览
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filePreviewEl.addEventListener('click', (e) => {
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if (e.target.classList.contains('remove-file')) {
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const idx = parseInt(e.target.dataset.index);
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pendingFiles.splice(idx, 1);
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renderFilePreviews();
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}
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});
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}
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function autoResizeTextarea() {
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chatInputEl.style.height = 'auto';
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chatInputEl.style.height = Math.min(chatInputEl.scrollHeight, 120) + 'px';
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}
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// ── 图片处理 ──
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async function handleImageSelect(files) {
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const maxSize = 20 * 1024 * 1024;
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for (const file of files) {
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if (!file.type.startsWith('image/')) continue;
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if (file.size > maxSize) {
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appendSystemMessage(`⚠️ 图片 ${file.name} 超过 20MB 限制`);
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continue;
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}
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try {
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const base64 = await fileToBase64(file);
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pendingImages.push({ name: file.name, base64 });
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renderImagePreviews();
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} catch (err) {
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console.error('[InputArea] 图片读取失败:', err);
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}
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}
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}
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function renderImagePreviews() {
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if (pendingImages.length === 0) {
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imagePreviewEl.style.display = 'none';
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imagePreviewEl.innerHTML = '';
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return;
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}
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imagePreviewEl.style.display = '';
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imagePreviewEl.innerHTML = pendingImages.map((img, i) => `
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<div class="preview-thumb">
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<img src="data:image/png;base64,${img.base64}" alt="${escapeHtml(img.name)}">
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<button class="remove-img" data-index="${i}">×</button>
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</div>
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`).join('');
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}
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// ── 文件处理（文本/代码） ──
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async function handleTextFileSelect(files) {
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for (const file of files) {
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if (!isTextFile(file)) {
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appendSystemMessage(`⚠️ ${file.name} 不是支持的文本/代码文件`);
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continue;
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}
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if (file.size > MAX_FILE_SIZE) {
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appendSystemMessage(`⚠️ ${file.name} 超过 500KB 限制（${formatSize(file.size)}）`);
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continue;
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}
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// 重复检测
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if (pendingFiles.some(f => f.name === file.name && f.size === file.size)) {
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appendSystemMessage(`ℹ️ ${file.name} 已添加`);
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continue;
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}
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try {
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const content = await fileToText(file);
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pendingFiles.push({
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name: file.name,
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content,
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language: detectLanguage(file.name),
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size: file.size
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});
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renderFilePreviews();
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} catch (err) {
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console.error('[InputArea] 文件读取失败:', err);
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appendSystemMessage(`❌ 读取 ${file.name} 失败`);
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}
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}
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}
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function renderFilePreviews() {
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if (pendingFiles.length === 0) {
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filePreviewEl.style.display = 'none';
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filePreviewEl.innerHTML = '';
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return;
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}
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filePreviewEl.style.display = '';
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filePreviewEl.innerHTML = pendingFiles.map((f, i) => `
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<div class="file-chip">
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<span class="file-icon">📄</span>
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<span class="file-name">${escapeHtml(f.name)}</span>
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<span class="file-size">${formatSize(f.size)}</span>
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<button class="remove-file" data-index="${i}" title="移除">×</button>
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</div>
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`).join('');
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}
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// ── UI 状态 ──
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function updateSendButton(streaming) {
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if (streaming) {
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btnSendEl.innerHTML = `<svg viewBox="0 0 24 24" fill="currentColor">
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<rect x="6" y="6" width="12" height="12" rx="2"/>
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</svg>`;
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btnSendEl.classList.add('stop-btn');
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btnSendEl.classList.remove('disabled');
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btnSendEl.title = '停止生成';
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} else {
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btnSendEl.innerHTML = `<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
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<line x1="22" y1="2" x2="11" y2="13"/><polygon points="22 2 15 22 11 13 2 9 22 2"/>
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</svg>`;
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btnSendEl.classList.remove('stop-btn');
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btnSendEl.classList.remove('disabled');
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btnSendEl.title = '发送';
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}
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}
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/**
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* 停止生成
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*/
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function stopGeneration() {
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const abortController = state.get(KEYS.ABORT_CONTROLLER);
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if (abortController) {
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abortController.abort();
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}
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}
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/**
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* 核心发送逻辑
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*/
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export async function sendMessage() {
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const text = chatInputEl.value.trim();
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if (!text && pendingImages.length === 0 && pendingFiles.length === 0) return;
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if (state.get(KEYS.IS_STREAMING)) return;
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const model = getSelectedModel();
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if (!model) {
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appendSystemMessage('⚠️ 请先选择一个模型');
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return;
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}
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const currentSession = state.get(KEYS.CURRENT_SESSION);
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if (!currentSession) return;
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const now = Date.now();
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const msgsToAdd = [];
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// ── 构造用户消息内容 ──
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// 场景1：有图片（Ollama 需要单独的 images 消息）
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if (pendingImages.length > 0) {
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msgsToAdd.push({
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role: 'user',
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content: pendingImages.length === 1
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? `[上传了图片: ${pendingImages[0].name}]`
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: `[上传了 ${pendingImages.length} 张图片]`,
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images: pendingImages.map(img => img.base64),
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timestamp: now
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});
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}
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// 场景2：有文本输入 + 文件，或者只有文件
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if (text || pendingFiles.length > 0) {
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let content = text || '';
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// 把文件内容格式化为代码块拼入消息
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if (pendingFiles.length > 0) {
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const fileParts = pendingFiles.map(f => {
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const lang = f.language || '';
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return `📄 **${f.name}**\n\n\`\`\`${lang}\n${f.content}\n\`\`\``;
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});
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if (content) {
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content += '\n\n---\n' + fileParts.join('\n\n---\n');
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} else {
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content = `请分析以下 ${pendingFiles.length > 1 ? pendingFiles.length + ' 个' : ''}文件：\n\n${fileParts.join('\n\n---\n')}`;
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}
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}
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msgsToAdd.push({
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role: 'user',
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content,
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timestamp: now
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});
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}
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// 更新会话标题
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if (currentSession.messages.length === 0) {
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const titleText = text
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|| (pendingFiles.length > 0 ? `[文件: ${pendingFiles.map(f => f.name).join(', ')}]` : '[图片消息]');
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currentSession.title = truncate(titleText, 30);
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currentSession.model = model;
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}
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msgsToAdd.forEach(m => currentSession.messages.push(m));
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renderMessages();
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// 立即保存
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await saveCurrentSession();
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// 清空输入
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chatInputEl.value = '';
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pendingImages = [];
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pendingFiles = [];
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imagePreviewEl.style.display = 'none';
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imagePreviewEl.innerHTML = '';
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filePreviewEl.style.display = 'none';
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filePreviewEl.innerHTML = '';
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autoResizeTextarea();
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// 助手占位
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appendAssistantPlaceholder();
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// 流式回复
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state.set(KEYS.IS_STREAMING, true);
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updateSendButton(true);
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const api = state.get(KEYS.API);
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const abortController = new AbortController();
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state.set(KEYS.ABORT_CONTROLLER, abortController);
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const thinkMode = isThinkEnabled();
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const systemPromptEnabled = state.get(KEYS.SYSTEM_PROMPT_ENABLED);
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const systemPrompt = state.get(KEYS.SYSTEM_PROMPT);
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const numCtx = state.get(KEYS.NUM_CTX, 24576);
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let assistantContent = '';
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let thinkContent = '';
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let finalStats = null;
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let modelName = '';
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try {
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const apiMessages = currentSession.messages.map(m => ({
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role: m.role,
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content: m.content || '',
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...(m.images && { images: m.images })
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}));
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const chatParams = {
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model,
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messages: apiMessages,
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think: thinkMode,
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...(systemPromptEnabled && systemPrompt && { system: systemPrompt }),
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...(numCtx && { options: { num_ctx: numCtx } })
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};
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await api.chatStream(chatParams, (chunk) => {
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if (chunk.message) {
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if (chunk.message.content) {
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assistantContent += chunk.message.content;
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}
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const think = chunk.message.thinking || chunk.message.reasoning_content;
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if (think && typeof think === 'string') {
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thinkContent += think;
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}
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}
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if (chunk.model) modelName = chunk.model;
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updateLastAssistantMessage(assistantContent, thinkContent || null, null, modelName || null);
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if (chunk.done) {
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finalStats = { eval_count: chunk.eval_count, total_duration: chunk.total_duration };
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}
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}, abortController);
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const assistantMsg = {
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role: 'assistant',
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content: assistantContent || '',
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timestamp: Date.now(),
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...(modelName && { model: modelName }),
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...(thinkContent && { think: thinkContent }),
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...(finalStats && { eval_count: finalStats.eval_count, total_duration: finalStats.total_duration })
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};
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currentSession.messages.push(assistantMsg);
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if (finalStats) {
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updateLastAssistantMessage(assistantContent, thinkContent || null, finalStats, modelName || null);
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}
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await saveCurrentSession();
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} catch (err) {
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console.error('[InputArea] 流式聊天错误:', err);
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if (err.name === 'AbortError') {
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const placeholder = document.querySelector('#messagesContainer .message.assistant:last-child');
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const loadingDots = placeholder?.querySelector('.loading-dots');
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const loadingText = placeholder?.querySelector('.loading-text');
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if (loadingDots) loadingDots.remove();
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if (loadingText) loadingText.remove();
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const contentDiv = placeholder?.querySelector('.msg-content');
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const partialMsg = {
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role: 'assistant',
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content: assistantContent,
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timestamp: Date.now(),
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...(modelName && { model: modelName }),
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...(thinkContent && { think: thinkContent }),
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stopped: true
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};
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currentSession.messages.push(partialMsg);
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if (contentDiv) {
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let html = '';
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if (assistantContent) {
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html = safeMarkdown(assistantContent);
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}
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html += '<p><code>[已停止]</code></p>';
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contentDiv.innerHTML = html;
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}
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appendSystemMessage('⏹ 已停止生成');
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await saveCurrentSession();
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state.set(KEYS.IS_STREAMING, false);
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updateSendButton(false);
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state.set(KEYS.ABORT_CONTROLLER, null);
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return;
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}
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const placeholder = document.querySelector('#messagesContainer .message.assistant:last-child');
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const loadingDots = placeholder?.querySelector('.loading-dots');
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const loadingText = placeholder?.querySelector('.loading-text');
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if (loadingDots) loadingDots.remove();
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if (loadingText) loadingText.remove();
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const contentDiv = placeholder?.querySelector('.msg-content');
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if (assistantContent && contentDiv) {
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const partialMsg = {
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role: 'assistant',
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content: assistantContent + '\n\n`[已中断]`',
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timestamp: Date.now(),
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};
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currentSession.messages.push(partialMsg);
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contentDiv.innerHTML = safeMarkdown(assistantContent) + '<p><code>[已中断]</code></p>';
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await saveCurrentSession();
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} else {
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if (placeholder) placeholder.remove();
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}
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let errMsg = `❌ 错误: ${err.message}`;
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if (err.message.includes('Failed to fetch') || err.message.includes('NetworkError')) {
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errMsg = '❌ 连接失败。请检查：\n1. Ollama 是否正在运行\n2. 地址是否正确\n3. 是否设置了 OLLAMA_ORIGINS="*"';
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}
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appendSystemMessage(errMsg);
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} finally {
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state.set(KEYS.IS_STREAMING, false);
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updateSendButton(false);
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state.set(KEYS.ABORT_CONTROLLER, null);
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}
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}
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async function saveCurrentSession() {
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const db = state.get(KEYS.DB);
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const currentSession = state.get(KEYS.CURRENT_SESSION);
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const isHistoryView = state.get(KEYS.IS_HISTORY_VIEW);
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if (!currentSession || !db || isHistoryView) return;
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currentSession.updatedAt = Date.now();
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try {
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await db.saveSession(currentSession);
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} catch (err) {
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console.error('[InputArea] 保存会话失败:', err);
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}
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}
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