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* Minified by jsDelivr using Terser v5.39.0.\n * Original file: /npm/@pindai-ai/chat-widget@2.0.3/dist/pindai-chat-widget.js\n *\n * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files\n */\n","/**\n * Internationalization (i18n) System for Pindai Chat Widget\n * Supports Indonesian (id) and English (en) locales\n */\n\nexport const translations = {\n en: {\n // Widget UI\n title: 'Pindai Agent',\n placeholder: 'Write a message...',\n initialMessage: 'Hello! How can I help you today?',\n send: 'Send',\n close: 'Close',\n upload: 'Upload file',\n removeFile: 'Remove file',\n\n // Loading and status\n typingIndicator: 'AI is typing...',\n sending: 'Sending...',\n justNow: 'Just now',\n minutesAgo: '{minutes}m ago',\n\n // Offline/Online status\n offline: 'Offline - messages will be sent when online',\n connectionRestored: 'Connection restored',\n connectionLost: 'No internet connection',\n\n // Error messages\n errorGeneric: 'An error occurred. Please try again.',\n errorTimeout: 'Request timeout. Please try again.',\n errorNetwork: 'No internet connection. Check your network.',\n errorServer: 'Server is busy. Please try again later.',\n errorRateLimit: 'Too many messages. Please wait {seconds} seconds.',\n errorInvalidResponse: 'Invalid server response. Please contact support.',\n\n // File upload errors\n fileTypeNotSupported: 'File type not supported: {filename}',\n fileTooLarge: 'File too large: {filename} (max {maxSize}MB)',\n maxFilesExceeded: 'Maximum {maxFiles} files allowed',\n\n // Quick replies (default suggestions)\n quickReply1: 'How can I extract data from documents?',\n quickReply2: 'What file types are supported?',\n quickReply3: 'Tell me about pricing',\n quickReply4: 'Contact support',\n\n // Accessibility labels\n ariaOpenChat: 'Open chat widget',\n ariaCloseChat: 'Close chat window',\n ariaSendMessage: 'Send message',\n ariaMessageInput: 'Type your message',\n ariaUploadFile: 'Upload file',\n ariaRemoveFile: 'Remove file',\n ariaChatWindow: 'Chat window',\n ariaMessageLog: 'Chat messages',\n },\n\n id: {\n // Widget UI\n title: 'Pindai Agent',\n placeholder: 'Tulis pesan...',\n initialMessage: 'Halo! Bagaimana saya bisa membantu Anda hari ini?',\n send: 'Kirim',\n close: 'Tutup',\n upload: 'Unggah file',\n removeFile: 'Hapus file',\n\n // Loading and status\n typingIndicator: 'AI sedang mengetik...',\n sending: 'Mengirim...',\n justNow: 'Baru saja',\n minutesAgo: '{minutes}m yang lalu',\n\n // Offline/Online status\n offline: 'Offline - pesan akan dikirim saat online',\n connectionRestored: 'Koneksi kembali',\n connectionLost: 'Tidak ada koneksi internet',\n\n // Error messages\n errorGeneric: 'Terjadi kesalahan. Silakan coba lagi.',\n errorTimeout: 'Waktu permintaan habis. Silakan coba lagi.',\n errorNetwork: 'Tidak ada koneksi internet. Periksa jaringan Anda.',\n errorServer: 'Server sedang sibuk. Silakan coba lagi dalam beberapa saat.',\n errorRateLimit: 'Terlalu banyak pesan. Silakan tunggu {seconds} detik.',\n errorInvalidResponse: 'Respons server tidak valid. Silakan hubungi dukungan.',\n\n // File upload errors\n fileTypeNotSupported: 'Jenis file tidak didukung: {filename}',\n fileTooLarge: 'File terlalu besar: {filename} (maks {maxSize}MB)',\n maxFilesExceeded: 'Maksimal {maxFiles} file diperbolehkan',\n\n // Quick replies (default suggestions)\n quickReply1: 'Bagaimana cara ekstraksi dokumen?',\n quickReply2: 'Jenis file apa yang didukung?',\n quickReply3: 'Tentang harga',\n quickReply4: 'Hubungi dukungan',\n\n // Accessibility labels\n ariaOpenChat: 'Buka widget chat',\n ariaCloseChat: 'Tutup jendela chat',\n ariaSendMessage: 'Kirim pesan',\n ariaMessageInput: 'Ketik pesan Anda',\n ariaUploadFile: 'Unggah file',\n ariaRemoveFile: 'Hapus file',\n ariaChatWindow: 'Jendela chat',\n ariaMessageLog: 'Pesan chat',\n }\n};\n\n/**\n * I18n class for managing translations\n */\nexport class I18n {\n constructor(locale = 'id') {\n this.locale = this.isValidLocale(locale) ? locale : 'id';\n }\n\n /**\n * Check if locale is valid\n */\n isValidLocale(locale) {\n return Object.keys(translations).includes(locale);\n }\n\n /**\n * Translate a key with optional parameter substitution\n * @param {string} key - Translation key\n * @param {object} params - Parameters to substitute in the translation\n * @returns {string} Translated string\n */\n t(key, params = {}) {\n let text = translations[this.locale]?.[key] || translations.en[key] || key;\n\n // Replace parameters like {param} with actual values\n Object.keys(params).forEach(param => {\n const regex = new RegExp(`\\\\{${param}\\\\}`, 'g');\n text = text.replace(regex, params[param]);\n });\n\n return text;\n }\n\n /**\n * Change the current locale\n * @param {string} locale - New locale (id or en)\n */\n setLocale(locale) {\n if (this.isValidLocale(locale)) {\n this.locale = locale;\n return true;\n }\n console.warn(`Invalid locale: ${locale}. Keeping current locale: ${this.locale}`);\n return false;\n }\n\n /**\n * Get current locale\n * @returns {string} Current locale\n */\n getLocale() {\n return this.locale;\n }\n\n /**\n * Get all available locales\n * @returns {string[]} Array of available locale codes\n */\n getAvailableLocales() {\n return Object.keys(translations);\n }\n}\n\n// Export default instance for convenience\nexport default I18n;\n","import './style.css';\nimport { I18n } from './i18n.js';\n\n/**\n * Pindai Chat Widget - Modern, Accessible, Indonesian-focused\n * Version 2.0.0\n */\nclass PindaiChatWidget {\n constructor(options) {\n // Backward compatibility: support both webhookUrl and n8nUrl\n const apiEndpoint = options.webhookUrl || options.n8nUrl;\n\n if (!apiEndpoint) {\n throw new Error('PindaiChatWidget: \"webhookUrl\" option is required.');\n }\n\n // Core configuration\n this.webhookUrl = apiEndpoint;\n this.mode = options.mode || 'widget';\n\n // Internationalization\n this.locale = options.locale || 'id'; // Default to Indonesian\n this.i18n = new I18n(this.locale);\n\n // UI customization\n this.title = options.title || this.i18n.t('title');\n this.initialMessage = options.initialMessage || this.i18n.t('initialMessage');\n this.launcherIconUrl = options.launcherIconUrl || this.getDefaultIcon();\n\n // Branding\n this.logoUrl = options.logoUrl || 'https://pindai.ai/logo.png';\n this.showLogo = options.showLogo !== false;\n this.launcherColor = options.launcherColor || '#0066FF';\n this.sendButtonColor = options.sendButtonColor || '#0066FF';\n this.accentColor = options.accentColor || '#00C896';\n\n // File upload configuration\n this.enableFileUpload = options.enableFileUpload !== false;\n this.allowedFileTypes = options.allowedFileTypes || [\n 'image/jpeg', 'image/png', 'image/gif', 'image/webp',\n 'application/pdf',\n 'application/msword',\n 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',\n 'application/vnd.ms-excel',\n 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'\n ];\n this.maxFileSize = options.maxFileSize || 10 * 1024 * 1024; // 10MB\n this.maxFiles = options.maxFiles || 5;\n this.uploadedFiles = [];\n\n // Notifications\n this.enableNotifications = options.enableNotifications !== false;\n this.enableSound = options.enableSound === true;\n this.unreadCount = 0;\n\n // Quick replies\n this.showQuickReplies = options.showQuickReplies !== false;\n this.quickReplies = options.quickReplies || [\n this.i18n.t('quickReply1'),\n this.i18n.t('quickReply2'),\n this.i18n.t('quickReply3'),\n this.i18n.t('quickReply4')\n ];\n\n // Message history\n this.enableHistory = options.enableHistory !== false;\n this.maxHistoryItems = options.maxHistoryItems || 50;\n this.historyKey = `pindai-chat-history-${this.webhookUrl}`;\n this.stateKey = `pindai-chat-state-${this.webhookUrl}`;\n\n // Error handling & retry logic\n this.maxRetries = options.maxRetries || 3;\n this.retryDelay = options.retryDelay || 1000;\n this.requestTimeout = options.requestTimeout || 30000;\n\n // Rate limiting\n this.rateLimit = options.rateLimit || 5;\n this.rateLimitWindow = options.rateLimitWindow || 60000;\n this.messageTimes = [];\n\n // DOM references\n this.container = null;\n this.launcher = null;\n this.chatWindow = null;\n this.messageList = null;\n this.input = null;\n this.button = null;\n this.closeButton = null;\n\n // State\n this.sessionId = `web-session-${Date.now()}-${Math.random()}`;\n this.isLoading = false;\n this.isOpen = false;\n this.isOnline = navigator.onLine;\n\n // Initialize\n this.loadState();\n this.setupOfflineDetection();\n\n if (this.mode === 'fullscreen') {\n this.initChatWindow();\n } else {\n this.initLauncher();\n }\n }\n\n /**\n * Initialize launcher button\n */\n initLauncher() {\n this.launcher = document.createElement('div');\n this.launcher.className = 'n8n-chat-launcher';\n this.launcher.style.backgroundColor = this.launcherColor;\n this.launcher.setAttribute('role', 'button');\n this.launcher.setAttribute('aria-label', this.i18n.t('ariaOpenChat'));\n this.launcher.setAttribute('tabindex', '0');\n this.launcher.innerHTML = `\n \"\"\n 0\n `;\n document.body.appendChild(this.launcher);\n\n this.launcher.addEventListener('click', () => this.toggleChatWindow());\n this.launcher.addEventListener('keydown', (e) => {\n if (e.key === 'Enter' || e.key === ' ') {\n e.preventDefault();\n this.toggleChatWindow();\n }\n });\n }\n\n /**\n * Initialize chat window\n */\n initChatWindow() {\n this.container = document.createElement('div');\n this.container.className = `n8n-chat-widget ${this.mode === 'fullscreen' ? 'n8n-chat-widget--fullscreen' : ''}`;\n this.container.setAttribute('role', 'dialog');\n this.container.setAttribute('aria-modal', 'true');\n this.container.setAttribute('aria-label', this.title);\n\n this.container.innerHTML = `\n
\n
\n ${this.showLogo ? `\"Pindai` : ''}\n ${this.title}\n
\n \n
\n
\n
\n Powered by\n Pindai.ai\n
\n
\n ${this.enableFileUpload ? `\n \n ` : ''}\n \n \n
\n ${this.enableFileUpload ? '
' : ''}\n `;\n\n if (this.mode === 'widget') {\n document.body.appendChild(this.container);\n } else {\n document.body.innerHTML = '';\n document.body.appendChild(this.container);\n document.body.style.margin = '0';\n }\n\n // Get DOM references\n this.messageList = this.container.querySelector('.n8n-chat-messages');\n this.input = this.container.querySelector('input[type=\"text\"]');\n this.button = this.container.querySelector('.n8n-chat-send-btn');\n this.closeButton = this.container.querySelector('.n8n-chat-close-btn');\n\n // Event listeners\n this.button.addEventListener('click', (e) => {\n e.preventDefault();\n this.sendMessage();\n });\n\n this.input.addEventListener('keypress', (e) => {\n if (e.key === 'Enter') {\n e.preventDefault();\n this.sendMessage();\n }\n });\n\n if (this.mode === 'fullscreen') {\n this.closeButton.style.display = 'none';\n } else {\n this.closeButton.addEventListener('click', () => this.toggleChatWindow());\n }\n\n // File upload handler\n if (this.enableFileUpload) {\n const fileInput = this.container.querySelector('input[type=\"file\"]');\n fileInput.addEventListener('change', (e) => this.handleFileSelect(e));\n }\n\n // Setup keyboard navigation\n this.setupKeyboardNavigation();\n\n // Load history and show initial message\n this.loadHistory();\n if (this.messageList.children.length === 0) {\n this.addMessage(this.initialMessage, 'ai');\n }\n }\n\n /**\n * Toggle chat window open/close\n */\n toggleChatWindow() {\n if (!this.isOpen) {\n if (!this.container) {\n this.initChatWindow();\n }\n\n setTimeout(() => {\n this.container.classList.add('n8n-chat-widget--open');\n if (this.launcher) {\n this.launcher.classList.add('n8n-chat-launcher--hidden');\n }\n this.input.focus();\n this.clearUnreadCount();\n }, 10);\n } else {\n this.container.classList.remove('n8n-chat-widget--open');\n if (this.launcher) {\n this.launcher.classList.remove('n8n-chat-launcher--hidden');\n }\n }\n this.isOpen = !this.isOpen;\n this.saveState();\n }\n\n /**\n * Get default chat icon\n */\n getDefaultIcon() {\n const svgIcon = `\n \n \n \n `;\n return `data:image/svg+xml;charset=UTF-8,${encodeURIComponent(svgIcon)}`;\n }\n\n /**\n * Format timestamp for display\n */\n formatTimestamp(date) {\n const now = new Date();\n const diff = now - date;\n\n if (diff < 60000) {\n return this.i18n.t('justNow');\n }\n if (diff < 3600000) {\n const minutes = Math.floor(diff / 60000);\n return this.i18n.t('minutesAgo', { minutes });\n }\n\n return date.toLocaleTimeString(this.locale === 'id' ? 'id-ID' : 'en-US', {\n hour: '2-digit',\n minute: '2-digit'\n });\n }\n\n /**\n * Add message to chat\n */\n addMessage(text, sender, timestamp = new Date()) {\n const messageBubble = document.createElement('div');\n messageBubble.className = `n8n-chat-bubble n8n-chat-${sender}-message`;\n\n const textNode = document.createElement('div');\n textNode.className = 'n8n-chat-message-text';\n textNode.textContent = text;\n\n const timeNode = document.createElement('div');\n timeNode.className = 'n8n-chat-message-timestamp';\n timeNode.textContent = this.formatTimestamp(timestamp);\n timeNode.setAttribute('data-timestamp', timestamp.toISOString());\n\n messageBubble.appendChild(textNode);\n messageBubble.appendChild(timeNode);\n this.messageList.appendChild(messageBubble);\n\n this.messageList.scrollTop = this.messageList.scrollHeight;\n\n // Save to history\n this.saveToHistory(text, sender, timestamp);\n\n // Increment unread if chat closed and AI message\n if (!this.isOpen && sender === 'ai') {\n this.incrementUnread();\n }\n }\n\n /**\n * Show/hide typing indicator\n */\n showTypingIndicator(show) {\n let indicator = this.messageList.querySelector('.n8n-chat-typing-indicator');\n if (show) {\n if (!indicator) {\n indicator = document.createElement('div');\n indicator.className = 'n8n-chat-bubble n8n-chat-ai-message n8n-chat-typing-indicator';\n indicator.innerHTML = '';\n indicator.setAttribute('aria-label', this.i18n.t('typingIndicator'));\n this.messageList.appendChild(indicator);\n this.messageList.scrollTop = this.messageList.scrollHeight;\n }\n } else {\n if (indicator) {\n indicator.remove();\n }\n }\n }\n\n /**\n * Handle file selection\n */\n handleFileSelect(event) {\n const files = Array.from(event.target.files);\n\n files.forEach(file => {\n // Check file type\n if (!this.allowedFileTypes.includes(file.type)) {\n this.addMessage(\n this.i18n.t('fileTypeNotSupported', { filename: file.name }),\n 'ai'\n );\n return;\n }\n\n // Check file size\n if (file.size > this.maxFileSize) {\n const maxSizeMB = this.maxFileSize / 1024 / 1024;\n this.addMessage(\n this.i18n.t('fileTooLarge', { filename: file.name, maxSize: maxSizeMB }),\n 'ai'\n );\n return;\n }\n\n // Check max files\n if (this.uploadedFiles.length >= this.maxFiles) {\n this.addMessage(\n this.i18n.t('maxFilesExceeded', { maxFiles: this.maxFiles }),\n 'ai'\n );\n return;\n }\n\n this.uploadedFiles.push(file);\n this.renderFilePreview(file);\n });\n\n event.target.value = ''; // Reset input\n }\n\n /**\n * Render file preview\n */\n renderFilePreview(file) {\n const preview = this.container.querySelector('.n8n-chat-file-preview');\n if (!preview) return;\n\n preview.style.display = 'flex';\n\n const fileItem = document.createElement('div');\n fileItem.className = 'n8n-chat-file-item';\n fileItem.innerHTML = `\n ${file.name}\n \n `;\n\n const removeBtn = fileItem.querySelector('.n8n-chat-file-remove');\n removeBtn.addEventListener('click', () => {\n this.uploadedFiles = this.uploadedFiles.filter(f => f.name !== file.name);\n fileItem.remove();\n if (this.uploadedFiles.length === 0) {\n preview.style.display = 'none';\n }\n });\n\n preview.appendChild(fileItem);\n }\n\n /**\n * Send message with files\n */\n async sendMessage() {\n const messageText = this.input.value.trim();\n if ((!messageText && this.uploadedFiles.length === 0) || this.isLoading) return;\n\n // Check rate limit\n try {\n this.checkRateLimit();\n } catch (error) {\n this.addMessage(error.message, 'ai');\n return;\n }\n\n // Check online status\n if (!this.isOnline) {\n this.addMessage(this.i18n.t('connectionLost'), 'ai');\n return;\n }\n\n this.isLoading = true;\n this.button.disabled = true;\n this.input.disabled = true;\n\n if (messageText) {\n this.addMessage(messageText, 'user');\n }\n\n this.input.value = '';\n this.showTypingIndicator(true);\n\n try {\n const response = await this.sendMessageWithRetry(messageText, this.uploadedFiles);\n this.addMessage(response, 'ai');\n\n // Show quick replies after AI response\n if (this.showQuickReplies && this.quickReplies.length > 0) {\n this.renderQuickReplies();\n }\n } catch (error) {\n const errorMessage = this.getErrorMessage(error);\n this.addMessage(errorMessage, 'ai');\n } finally {\n this.isLoading = false;\n this.button.disabled = false;\n this.input.disabled = false;\n this.showTypingIndicator(false);\n this.input.focus();\n\n // Clear uploaded files\n if (this.uploadedFiles.length > 0) {\n this.uploadedFiles = [];\n const preview = this.container.querySelector('.n8n-chat-file-preview');\n if (preview) {\n preview.innerHTML = '';\n preview.style.display = 'none';\n }\n }\n }\n }\n\n /**\n * Send message with retry logic\n */\n async sendMessageWithRetry(messageText, files = [], retryCount = 0) {\n try {\n const controller = new AbortController();\n const timeoutId = setTimeout(() => controller.abort(), this.requestTimeout);\n\n const formData = new FormData();\n formData.append('sessionId', this.sessionId);\n formData.append('message', messageText);\n\n // Append files\n files.forEach((file, index) => {\n formData.append(`file${index}`, file);\n });\n\n const response = await fetch(this.webhookUrl, {\n method: 'POST',\n body: formData,\n signal: controller.signal\n });\n\n clearTimeout(timeoutId);\n\n if (!response.ok) {\n // Retry on 5xx errors\n if (response.status >= 500 && retryCount < this.maxRetries) {\n await this.delay(this.retryDelay * (retryCount + 1));\n return this.sendMessageWithRetry(messageText, files, retryCount + 1);\n }\n\n const errorData = await response.json().catch(() => ({}));\n throw new Error(errorData.message || `Network error: ${response.statusText}`);\n }\n\n const data = await response.json();\n if (!data.response) {\n throw new Error(this.i18n.t('errorInvalidResponse'));\n }\n\n return data.response;\n\n } catch (error) {\n if (error.name === 'AbortError') {\n throw new Error(this.i18n.t('errorTimeout'));\n }\n\n // Retry on network errors\n if (error.message.includes('NetworkError') && retryCount < this.maxRetries) {\n await this.delay(this.retryDelay * (retryCount + 1));\n return this.sendMessageWithRetry(messageText, files, retryCount + 1);\n }\n\n throw error;\n }\n }\n\n /**\n * Delay helper\n */\n delay(ms) {\n return new Promise(resolve => setTimeout(resolve, ms));\n }\n\n /**\n * Get user-friendly error message\n */\n getErrorMessage(error) {\n if (error.message.includes('timeout') || error.message.includes('Timeout')) {\n return this.i18n.t('errorTimeout');\n }\n if (error.message.includes('NetworkError') || error.message.includes('Failed to fetch')) {\n return this.i18n.t('errorNetwork');\n }\n if (error.message.includes('500') || error.message.includes('503')) {\n return this.i18n.t('errorServer');\n }\n return this.i18n.t('errorGeneric');\n }\n\n /**\n * Check rate limit\n */\n checkRateLimit() {\n const now = Date.now();\n this.messageTimes = this.messageTimes.filter(\n time => now - time < this.rateLimitWindow\n );\n\n if (this.messageTimes.length >= this.rateLimit) {\n const oldestTime = this.messageTimes[0];\n const waitTime = Math.ceil((this.rateLimitWindow - (now - oldestTime)) / 1000);\n throw new Error(this.i18n.t('errorRateLimit', { seconds: waitTime }));\n }\n\n this.messageTimes.push(now);\n }\n\n /**\n * Render quick reply buttons\n */\n renderQuickReplies(replies = this.quickReplies) {\n if (!this.showQuickReplies || replies.length === 0) return;\n\n // Remove existing quick replies\n const existingReplies = this.messageList.querySelector('.n8n-chat-quick-replies');\n if (existingReplies) existingReplies.remove();\n\n const repliesContainer = document.createElement('div');\n repliesContainer.className = 'n8n-chat-quick-replies';\n\n replies.forEach(reply => {\n const button = document.createElement('button');\n button.className = 'n8n-chat-quick-reply-btn';\n button.textContent = reply;\n button.addEventListener('click', () => {\n this.input.value = reply;\n this.sendMessage();\n repliesContainer.remove();\n });\n repliesContainer.appendChild(button);\n });\n\n this.messageList.appendChild(repliesContainer);\n this.messageList.scrollTop = this.messageList.scrollHeight;\n }\n\n /**\n * Notification badge management\n */\n incrementUnread() {\n if (!this.isOpen) {\n this.unreadCount++;\n this.updateUnreadBadge();\n }\n }\n\n updateUnreadBadge() {\n if (!this.launcher) return;\n const badge = this.launcher.querySelector('.n8n-chat-unread-badge');\n if (badge) {\n badge.textContent = this.unreadCount;\n badge.style.display = this.unreadCount > 0 ? 'flex' : 'none';\n }\n }\n\n clearUnreadCount() {\n this.unreadCount = 0;\n this.updateUnreadBadge();\n }\n\n /**\n * Message history persistence\n */\n loadHistory() {\n if (!this.enableHistory) return;\n\n try {\n const stored = localStorage.getItem(this.historyKey);\n if (!stored) return;\n\n const history = JSON.parse(stored);\n history.forEach(item => {\n this.addMessageWithoutSaving(item.text, item.sender, new Date(item.timestamp));\n });\n } catch (error) {\n console.warn('Failed to load chat history:', error);\n }\n }\n\n addMessageWithoutSaving(text, sender, timestamp) {\n const messageBubble = document.createElement('div');\n messageBubble.className = `n8n-chat-bubble n8n-chat-${sender}-message`;\n\n const textNode = document.createElement('div');\n textNode.className = 'n8n-chat-message-text';\n textNode.textContent = text;\n\n const timeNode = document.createElement('div');\n timeNode.className = 'n8n-chat-message-timestamp';\n timeNode.textContent = this.formatTimestamp(timestamp);\n timeNode.setAttribute('data-timestamp', timestamp.toISOString());\n\n messageBubble.appendChild(textNode);\n messageBubble.appendChild(timeNode);\n this.messageList.appendChild(messageBubble);\n\n this.messageList.scrollTop = this.messageList.scrollHeight;\n }\n\n saveToHistory(text, sender, timestamp = new Date()) {\n if (!this.enableHistory) return;\n\n try {\n const stored = localStorage.getItem(this.historyKey);\n let history = stored ? JSON.parse(stored) : [];\n\n history.push({\n text,\n sender,\n timestamp: timestamp.toISOString()\n });\n\n // Keep only last N messages\n if (history.length > this.maxHistoryItems) {\n history = history.slice(-this.maxHistoryItems);\n }\n\n localStorage.setItem(this.historyKey, JSON.stringify(history));\n } catch (error) {\n console.warn('Failed to save chat history:', error);\n }\n }\n\n /**\n * State persistence\n */\n loadState() {\n try {\n const stored = localStorage.getItem(this.stateKey);\n if (stored) {\n // State loaded but not used for auto-open\n // User needs to explicitly open the chat\n }\n } catch (error) {\n console.warn('Failed to load chat state:', error);\n }\n }\n\n saveState() {\n try {\n localStorage.setItem(this.stateKey, JSON.stringify({\n isOpen: this.isOpen,\n timestamp: new Date().toISOString()\n }));\n } catch (error) {\n console.warn('Failed to save chat state:', error);\n }\n }\n\n /**\n * Offline detection\n */\n setupOfflineDetection() {\n window.addEventListener('online', () => {\n this.isOnline = true;\n this.updateOnlineStatus();\n });\n\n window.addEventListener('offline', () => {\n this.isOnline = false;\n this.updateOnlineStatus();\n });\n }\n\n updateOnlineStatus() {\n if (!this.container) return;\n\n const statusBar = this.container.querySelector('.n8n-chat-offline-indicator');\n if (!this.isOnline && !statusBar) {\n const indicator = document.createElement('div');\n indicator.className = 'n8n-chat-offline-indicator';\n indicator.innerHTML = `\n \n \n \n \n \n \n \n \n \n ${this.i18n.t('offline')}\n `;\n this.container.insertBefore(indicator, this.messageList);\n } else if (this.isOnline && statusBar) {\n statusBar.remove();\n }\n\n // Update button state\n if (this.button) {\n this.button.disabled = !this.isOnline || this.isLoading;\n }\n }\n\n /**\n * Keyboard navigation setup\n */\n setupKeyboardNavigation() {\n // ESC to close widget\n document.addEventListener('keydown', (e) => {\n if (e.key === 'Escape' && this.isOpen && this.mode === 'widget') {\n this.toggleChatWindow();\n }\n });\n\n // Tab trap within modal\n this.container.addEventListener('keydown', (e) => {\n if (e.key === 'Tab') {\n const focusableElements = this.container.querySelectorAll(\n 'button:not([disabled]), input:not([disabled]), [tabindex]:not([tabindex=\"-1\"])'\n );\n const firstElement = focusableElements[0];\n const lastElement = focusableElements[focusableElements.length - 1];\n\n if (e.shiftKey && document.activeElement === firstElement) {\n e.preventDefault();\n lastElement.focus();\n } else if (!e.shiftKey && document.activeElement === lastElement) {\n e.preventDefault();\n firstElement.focus();\n }\n }\n });\n }\n}\n\n// Export both class names for backward compatibility\nwindow.PindaiChatWidget = {\n init: (options) => {\n if (!document.querySelector('.n8n-chat-widget') && !document.querySelector('.n8n-chat-launcher')) {\n return new PindaiChatWidget(options);\n }\n }\n};\n\n// Backward compatibility with old name\nwindow.N8nChatWidget = window.PindaiChatWidget;\n"]}