{"version":3,"file":"index.mjs","names":[],"sources":["../../src/utils/config.ts","../../src/utils/lazyLoader.ts","../../src/utils/serviceWorker.ts"],"sourcesContent":["import type { CheckoutConfig } from '../types';\n\n/**\n * Default configuration values\n */\nexport const DEFAULT_CONFIG: Partial = {\n environment: 'sandbox',\n};\n\n/**\n * Validate configuration object\n */\nexport function validateConfig(config: CheckoutConfig): { isValid: boolean; errors: string[] } {\n const errors: string[] = [];\n\n if (!config.merchantId) {\n errors.push('Merchant ID is required');\n }\n\n if (!config.productId) {\n errors.push('Product ID is required');\n }\n\n if (config.environment && !['sandbox', 'production'].includes(config.environment)) {\n errors.push('Environment must be either \"sandbox\" or \"production\"');\n }\n\n if (config.theme) {\n if (!['light', 'dark'].includes(config.theme.theme)) {\n errors.push('Theme must be either \"light\" or \"dark\"');\n }\n\n if (typeof config.theme.show_product_info !== 'boolean') {\n errors.push('show_product_info must be a boolean');\n }\n\n if (!['left', 'above'].includes(config.theme.product_layout)) {\n errors.push('product_layout must be either \"left\" or \"above\"');\n }\n\n if (typeof config.theme.show_coupon_row !== 'boolean') {\n errors.push('show_coupon_row must be a boolean');\n }\n\n if (\n config.theme.coupon_row_disclaimer !== undefined &&\n typeof config.theme.coupon_row_disclaimer !== 'string'\n ) {\n errors.push('coupon_row_disclaimer must be a string');\n }\n\n if (typeof config.theme.accent_color !== 'string') {\n errors.push('accent_color must be a string');\n }\n\n // Validate hex color format\n if (!/^#[0-9A-F]{6}$/i.test(config.theme.accent_color)) {\n errors.push('accent_color must be a valid hex color (e.g., #007bff)');\n }\n }\n\n return {\n isValid: errors.length === 0,\n errors\n };\n}\n\n/**\n * Merge configuration with defaults\n */\nexport function mergeConfig(config: Partial): CheckoutConfig {\n const merged = { ...DEFAULT_CONFIG, ...config };\n\n // Ensure required fields are present\n if (!merged.merchantId) {\n throw new Error('Merchant ID is required');\n }\n\n if (!merged.productId) {\n throw new Error('Product ID is required');\n }\n\n return merged as CheckoutConfig;\n}\n\n/**\n * Create a minimal configuration object\n */\nexport function createMinimalConfig(merchantId: string, productId: string, checkoutSessionSecret: string, environment?: 'sandbox' | 'production'): CheckoutConfig {\n return {\n merchantId,\n productId,\n checkoutSessionSecret,\n environment: environment || 'sandbox'\n };\n}\n\n/**\n * Check if configuration is complete\n */\nexport function isConfigComplete(config: Partial): config is CheckoutConfig {\n return !!(config.merchantId && config.productId && config.checkoutSessionSecret);\n}\n\n/**\n * Get configuration summary for debugging\n */\nexport function getConfigSummary(config: CheckoutConfig): Record {\n return {\n merchantId: config.merchantId,\n productId: config.productId,\n environment: config.environment,\n hasTheme: !!config.theme,\n themeDetails: config.theme ? {\n theme: config.theme.theme,\n showProductInfo: config.theme.show_product_info,\n productLayout: config.theme.product_layout,\n showCouponRow: config.theme.show_coupon_row,\n couponRowDisclaimer: config.theme.coupon_row_disclaimer,\n accentColor: config.theme.accent_color\n } : undefined\n };\n} ","/**\n * Lazy loading system for dynamic imports and progressive enhancement\n */\n\nexport interface LazyModuleConfig {\n name: string;\n importFn: () => Promise;\n fallback?: any;\n timeout?: number;\n}\n\nexport class LazyLoader {\n private modules = new Map();\n private loadedModules = new Map();\n private loadingPromises = new Map>();\n\n /**\n * Register a lazy-loadable module\n */\n register(config: LazyModuleConfig): void {\n this.modules.set(config.name, config);\n }\n\n /**\n * Load a module dynamically\n */\n async load(moduleName: string): Promise {\n // Return cached module if already loaded\n if (this.loadedModules.has(moduleName)) {\n return this.loadedModules.get(moduleName);\n }\n\n // Return existing loading promise if already loading\n if (this.loadingPromises.has(moduleName)) {\n return this.loadingPromises.get(moduleName);\n }\n\n const config = this.modules.get(moduleName);\n if (!config) {\n throw new Error(`Module '${moduleName}' not registered`);\n }\n\n // Create loading promise with timeout\n const loadingPromise = this.loadModuleWithTimeout(config);\n this.loadingPromises.set(moduleName, loadingPromise);\n\n try {\n const module = await loadingPromise;\n this.loadedModules.set(moduleName, module);\n this.loadingPromises.delete(moduleName);\n return module;\n } catch (error) {\n this.loadingPromises.delete(moduleName);\n \n // Return fallback if available\n if (config.fallback) {\n console.warn(`Failed to load module '${moduleName}', using fallback`, error);\n return config.fallback;\n }\n \n throw error;\n }\n }\n\n /**\n * Load module with timeout handling\n */\n private async loadModuleWithTimeout(config: LazyModuleConfig): Promise {\n const timeout = config.timeout || 10000; // 10 second default\n \n const timeoutPromise = new Promise((_, reject) => {\n setTimeout(() => {\n reject(new Error(`Module '${config.name}' load timeout after ${timeout}ms`));\n }, timeout);\n });\n\n return Promise.race([config.importFn(), timeoutPromise]);\n }\n\n /**\n * Preload a module in the background\n */\n preload(moduleName: string): void {\n this.load(moduleName).catch(error => {\n console.warn(`Preload failed for module '${moduleName}'`, error);\n });\n }\n\n /**\n * Check if a module is loaded\n */\n isLoaded(moduleName: string): boolean {\n return this.loadedModules.has(moduleName);\n }\n\n /**\n * Check if a module is currently loading\n */\n isLoading(moduleName: string): boolean {\n return this.loadingPromises.has(moduleName);\n }\n\n /**\n * Get all loaded module names\n */\n getLoadedModules(): string[] {\n return Array.from(this.loadedModules.keys());\n }\n\n /**\n * Clear all cached modules\n */\n clear(): void {\n this.loadedModules.clear();\n this.loadingPromises.clear();\n }\n}\n\n// Global lazy loader instance\nexport const lazyLoader = new LazyLoader();\n\n// Predefined lazy modules\nexport const LAZY_MODULES = {\n SECURITY: 'security',\n EMBED: 'embed',\n} as const;\n\n// Register common lazy modules\n\nlazyLoader.register({\n name: LAZY_MODULES.EMBED,\n importFn: () => import('../embed/index'),\n timeout: 3000,\n});\n","/**\n * Service worker for offline support and asset caching\n */\n\nexport interface ServiceWorkerConfig {\n cacheName: string;\n version: string;\n assets: string[];\n apiEndpoints: string[];\n offlinePage?: string;\n}\n\nexport class ServiceWorkerManager {\n private config: ServiceWorkerConfig;\n\n constructor(config: ServiceWorkerConfig) {\n this.config = config;\n }\n\n /**\n * Generate service worker script\n */\n generateServiceWorkerScript(): string {\n return `\n// Service Worker for Fanbasis Checkout SDK\n// Version: ${this.config.version}\n\nconst CACHE_NAME = '${this.config.cacheName}-${this.config.version}';\nconst ASSETS = ${JSON.stringify(this.config.assets)};\nconst API_ENDPOINTS = ${JSON.stringify(this.config.apiEndpoints)};\nconst OFFLINE_PAGE = ${JSON.stringify(this.config.offlinePage || '/offline.html')};\n\n// Install event - cache assets\nself.addEventListener('install', (event) => {\n event.waitUntil(\n caches.open(CACHE_NAME)\n .then((cache) => {\n console.log('Caching assets:', ASSETS);\n return cache.addAll(ASSETS);\n })\n .then(() => {\n console.log('Service worker installed');\n return self.skipWaiting();\n })\n .catch((error) => {\n console.error('Service worker install failed:', error);\n })\n );\n});\n\n// Activate event - clean up old caches\nself.addEventListener('activate', (event) => {\n event.waitUntil(\n caches.keys()\n .then((cacheNames) => 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handleApiRequest(request) {\n try {\n const response = await fetch(request);\n \n // Cache successful API responses\n if (response.ok) {\n const cache = await caches.open(CACHE_NAME);\n cache.put(request, response.clone());\n }\n \n return response;\n } catch (error) {\n console.log('API request failed, trying cache:', request.url);\n \n // Try to get from cache\n const cachedResponse = await caches.match(request);\n if (cachedResponse) {\n return cachedResponse;\n }\n \n // Return offline page if available\n const offlineResponse = await caches.match(OFFLINE_PAGE);\n if (offlineResponse) {\n return offlineResponse;\n }\n \n throw error;\n }\n}\n\n// Asset request handler - cache first, network fallback\nasync function handleAssetRequest(request) {\n const cachedResponse = await caches.match(request);\n if (cachedResponse) {\n return cachedResponse;\n }\n\n try {\n const response = await fetch(request);\n if (response.ok) {\n const cache = await caches.open(CACHE_NAME);\n cache.put(request, response.clone());\n }\n return response;\n } catch (error) {\n console.error('Asset request failed:', request.url, error);\n throw error;\n }\n}\n\n// Other request handler - network first, cache fallback\nasync function handleOtherRequest(request) {\n try {\n const response = await fetch(request);\n return response;\n } catch (error) {\n console.log('Request failed, trying cache:', request.url);\n \n const cachedResponse = await caches.match(request);\n if (cachedResponse) {\n return cachedResponse;\n }\n \n throw error;\n }\n}\n\n// Background sync for offline actions\nself.addEventListener('sync', (event) => {\n if (event.tag === 'background-sync') {\n event.waitUntil(handleBackgroundSync());\n }\n});\n\nasync function handleBackgroundSync() {\n try {\n // Process any pending offline actions\n console.log('Processing background sync');\n \n // Get pending actions from IndexedDB or other storage\n // Process them and sync with server\n \n } catch (error) {\n console.error('Background sync failed:', error);\n }\n}\n\n// Push notification handler\nself.addEventListener('push', (event) => {\n if (event.data) {\n const data = event.data.json();\n \n event.waitUntil(\n self.registration.showNotification(data.title, {\n body: data.body,\n icon: data.icon,\n badge: data.badge,\n data: data.data,\n })\n );\n }\n});\n\n// Notification click handler\nself.addEventListener('notificationclick', (event) => {\n event.notification.close();\n \n event.waitUntil(\n clients.openWindow(event.notification.data?.url || '/')\n );\n});\n`;\n }\n\n /**\n * Register service worker\n */\n async register(swPath: string): Promise {\n if (!('serviceWorker' in navigator)) {\n console.warn('Service workers not supported');\n return null;\n }\n\n try {\n const registration = await navigator.serviceWorker.register(swPath);\n console.log('Service worker registered:', registration);\n return registration;\n } catch (error) {\n console.error('Service worker registration failed:', error);\n return null;\n }\n }\n\n /**\n * Unregister service worker\n */\n async unregister(): Promise {\n if (!('serviceWorker' in navigator)) {\n return false;\n }\n\n try {\n const registration = await navigator.serviceWorker.getRegistration();\n if (registration) {\n await registration.unregister();\n console.log('Service worker unregistered');\n return true;\n }\n return false;\n } catch (error) {\n console.error('Service worker unregistration failed:', error);\n return false;\n }\n }\n\n /**\n * Check if service worker is active\n */\n async isActive(): Promise {\n if (!('serviceWorker' in navigator)) {\n return false;\n }\n\n try {\n const registration = await navigator.serviceWorker.getRegistration();\n return registration?.active !== undefined;\n } catch (error) {\n console.error('Service worker status check failed:', error);\n return false;\n }\n }\n}\n\n/**\n * Default service worker configuration\n */\nexport const DEFAULT_SW_CONFIG: ServiceWorkerConfig = {\n cacheName: 'fanbasis-checkout',\n version: '1.0.0',\n assets: [\n '/checkout.js',\n '/checkout.css',\n '/assets/',\n ],\n apiEndpoints: [\n '/api/checkout',\n '/api/payments',\n ],\n offlinePage: '/offline.html',\n};\n\n// Global service worker manager instance\nexport const swManager = new ServiceWorkerManager(DEFAULT_SW_CONFIG); 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