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Version: 1.0.0

Technologies

Author: Domenico Cerone Creation Date: 02/10/2025
Last Reviewer: Domenico Cerone

This document outlines the comprehensive technology stack powering the Gateway, an advanced AR virtual try-on platform for eyewear with SSO integration, multi-brand management, and Mirror functionality.

Frontend Technologies​

React Ecosystem​

  • React 18.3.1 - Core frontend framework with modern features and performance optimizations
  • React Router DOM - Client-side routing with dynamic route handling and URL parameter management
  • React Context API - Global state management with CatalogDataContext, AuthContext, and SSOContext
  • React Hooks - Advanced state management with useState, useEffect, useContext, useRef
  • React i18next - Complete internationalization system with support for 5 languages (EN, IT, ES, FR, DE)

Build Tools & Utilities​

  • Create React App - Development environment and build configuration
  • JavaScript ES6+ - Modern JavaScript features with async/await, destructuring, and modules
  • CSS Modules - Scoped styling with .module.css files for component isolation
  • JS Cookie 3.0.5 - Browser cookie management for session tracking and GDPR consent
  • React Device Detect - Device and browser detection for platform-specific features

3D Rendering and AR Technologies​

Core 3D Engine​

  • Three.js - Primary 3D graphics library with full WebGL/WebGL2 support
  • WebGL 2.0/1.0 - Hardware-accelerated 3D graphics with automatic fallback detection
  • GLTF/GLB 2.0 - Standard 3D model format with PBR materials and animation support
  • Model Viewer Web Component - Web component for 3D model display with integrated controls

Advanced Rendering System​

  • Physically Based Rendering (PBR) - Realistic material system with metalness/roughness workflow
  • HDRI Environment Lighting - High Dynamic Range imaging for realistic reflections and lighting
  • Real-time Shadow Mapping - PCF soft shadows with configurable intensity and bias
  • Custom Shader Materials - Specialized material effects for lenses and reflective surfaces

VTO (Virtual Try-On) System​

  • MediaPipe Face Mesh - Real-time face detection with singleton pattern for performance optimization
  • Webcam Integration - Camera integration with react-webcam for video streaming
  • EffectRenderer - Custom AR rendering engine with precise 3D positioning
  • OneEuroFilter - Advanced filtering algorithm for smooth face tracking
  • Face Mesh Detection - Face detection pipeline with animation frame management

Backend & Cloud Technologies​

Firebase Platform​

  • Firebase 11.0.2 - Complete backend-as-a-service platform
  • Firestore Database - NoSQL document database with real-time synchronization
  • Firebase Storage - Cloud hosting for 3D models, textures, and images
  • Firebase Hosting - Global CDN deployment with automatic SSL and caching
  • Firebase Authentication - User authentication and session management

Database Operations​

  • Atomic Transactions - Firestore transactions for bandwidth counters and data consistency
  • Compound Queries - Complex filtering and searching with where clauses
  • Batch Operations - Efficient parallel data fetching with Promise.all
  • Real-time Updates - Live data synchronization for session tracking and analytics

Data Management & State​

  • IndexedDB - Offline data persistence and caching with custom wrapper
  • LocalStorage - Local storage for user preferences and session state
  • SessionGateway - Singleton class for comprehensive session and analytics management
  • CatalogDataContext - React Context provider for global catalog state management

Authentication & Security Technologies​

SSO (Single Sign-On) System​

  • SSO Bridge Service - Custom bridge service for SSO integration
  • SSO Context Provider - SSO state management with React Context
  • JWT Token Management - Secure authentication token handling
  • Role-Based Access Control - User role-based access control system

Privacy & Consent Management​

  • GDPR Compliance - Complete consent management system with ConsentManager
  • Cookie Management - Secure cookie handling with sameSite and path options
  • Privacy Policy Integration - Multi-language privacy policy system
  • Consent Tracking - User consent tracking with localStorage persistence

Integration & API Technologies​

Google Maps Integration​

  • Google Maps JavaScript API - Maps integration with Places API
  • Store Locator - Store locator system with marker clustering
  • Geolocation Services - Geolocation services with GPS and IP fallback
  • Custom Map Styling - Custom map styling with brand colors

Third-Party Services​

  • Lottie Animations - Animation system with react-lottie-player
  • QR Code Generation - QR code generation with qrcode.react
  • FontAwesome Icons - Icon system with @fortawesome/react-fontawesome
  • React Loader Spinner - Loading components with custom animations

UI/UX Technologies​

Component System​

  • Custom Component Library - 44+ specialized Mirror components
  • Template System - Multi-template system (Vanilla 1, 2, 3, 4) for different brands
  • Responsive Design - Mobile-first responsive design approach
  • CSS Grid & Flexbox - Modern layouts with CSS Grid and Flexbox
  • GSAP Animations - Advanced animations with GreenSock Animation Platform

Asset & Media Management​

  • Asset Management - Brand-organized asset system (Tommy Hilfiger, David Beckham)
  • Font Management - Custom font management with @font-face
  • SVG Icon System - Scalable SVG icons for optimal quality
  • Image Optimization - Image optimization with multiple formats (webp, jpg, png)

Performance & Optimization Technologies​

Asset Management​

  • Browser Caching - Intelligent model caching with cache status detection
  • Lazy Loading - On-demand resource loading with Suspense boundaries
  • Memory Management - Complete disposal of geometries, materials, and textures
  • Asset Compression - Automatic model compression and texture optimization

Rendering Optimizations​

  • Service Worker - Service worker integration for offline functionality
  • Progressive Web App - PWA features with caching and installation
  • Code Splitting - Code splitting for optimized loading
  • Bundle Optimization - Bundle optimization with tree shaking

Network & Data Optimization​

  • CDN Integration - Global content delivery through Firebase Hosting
  • Compression - GZIP compression for assets and API responses
  • Bandwidth Tracking - Real-time consumption monitoring with atomic counters
  • Offline Support - Offline support with service worker and IndexedDB

Platform Integration​

Environment Detection​

  • User Agent Analysis - Browser, device, and WebView detection
  • Device Detection - Device capability detection with automatic fallbacks
  • Orientation Detection - Orientation detection with resize listeners
  • Platform-Specific Features - iOS, Android, and desktop optimizations

Analytics & Monitoring​

  • Session Tracking - Comprehensive user behavior analytics with Firebase
  • Performance Metrics - Loading times, interaction patterns, and error rates
  • Usage Analytics - Model view duration, variant switching, and feature utilization
  • Error Reporting - Automated error tracking with contextual information

Internationalization​

  • i18next Framework - Complete internationalization framework
  • Language Detection - Automatic language detection with fallback
  • Dynamic Language Loading - Dynamic language loading from locales directory
  • Multi-language Support - Support for 5 languages with complete translations

Development & Debugging Technologies​

Development Tools​

  • Hot Module Replacement - Fast development with instant code updates
  • Browser DevTools Integration - Console logging, error tracking, and network monitoring
  • React Developer Tools - React component debugging and state management
  • Redux DevTools - Application state debugging and time-travel debugging

Testing & Quality Assurance​

  • ESLint - Code linting for consistency and quality
  • Prettier - Automatic code formatting
  • PropTypes - React component props validation
  • Error Boundaries - React error handling with graceful fallbacks

This technology stack represents a production-ready, enterprise-grade AR/VTO platform designed for scalability, performance, and cross-platform compatibility with focus on immersive user experience and multi-brand management.