(maxChats: number = 500)
| 46 | * @param maxChats - Maximum number of chats to load (default: 500) |
| 47 | */ |
| 48 | export function getAllChats(maxChats: number = 500): ChatHistoryEntry[] { |
| 49 | try { |
| 50 | const chatsDir = getChatsDir() |
| 51 | |
| 52 | if (!fs.existsSync(chatsDir)) { |
| 53 | return [] |
| 54 | } |
| 55 | |
| 56 | const chatDirs = fs.readdirSync(chatsDir) |
| 57 | |
| 58 | // First pass: get mtime for all chat directories (fast, no file reading) |
| 59 | const chatDirInfos: ChatDirInfo[] = [] |
| 60 | for (const chatId of chatDirs) { |
| 61 | const chatPath = path.join(chatsDir, chatId) |
| 62 | try { |
| 63 | const stat = fs.statSync(chatPath) |
| 64 | if (!stat.isDirectory()) continue |
| 65 | |
| 66 | chatDirInfos.push({ |
| 67 | chatId, |
| 68 | chatPath, |
| 69 | messagesPath: path.join(chatPath, 'chat-messages.json'), |
| 70 | mtime: stat.mtime, |
| 71 | }) |
| 72 | } catch { |
| 73 | // Skip directories we can't stat |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | // Sort by mtime first (most recent first) |
| 78 | chatDirInfos.sort((a, b) => b.mtime.getTime() - a.mtime.getTime()) |
| 79 | |
| 80 | // Second pass: only read message content for the top N chats |
| 81 | const chats: ChatHistoryEntry[] = [] |
| 82 | const chatsToLoad = chatDirInfos.slice(0, maxChats) |
| 83 | |
| 84 | for (const info of chatsToLoad) { |
| 85 | try { |
| 86 | let messageCount = 0 |
| 87 | let lastPrompt = '(empty chat)' |
| 88 | |
| 89 | if (fs.existsSync(info.messagesPath)) { |
| 90 | const content = fs.readFileSync(info.messagesPath, 'utf8') |
| 91 | const messages = JSON.parse(content) as ChatMessage[] |
| 92 | messageCount = messages.length |
| 93 | lastPrompt = getFirstUserPrompt(messages) |
| 94 | } |
| 95 | |
| 96 | // Skip empty chats (no messages) |
| 97 | if (messageCount > 0) { |
| 98 | chats.push({ |
| 99 | chatId: info.chatId, |
| 100 | lastPrompt, |
| 101 | timestamp: info.mtime, |
| 102 | messageCount, |
| 103 | }) |
| 104 | } |
| 105 | } catch (error) { |
no test coverage detected