• Create topic-based chat rooms
• Chat anonymously with auto-generated usernames
• View messages in real-time via WebSockets
• Messages are automatically deleted after 24 hours

🔗 Click here to open the app (deployed)

• ⚡ Real-time WebSocket chat (using ws)
• 🧪 Anonymous names per device (stored in localStorage)
• 💬 Multiple topic rooms
• 🧹 Automatic message cleanup after 24 hours (via cron job)
• 🌐 REST API for room & message management
• 🎨 Clean and responsive UI using shadcn/ui

• React + Vite
• TypeScript
• Shadcn UI (Radix + Tailwind)
• WebSocket (native browser)

• Node.js with TypeScript
• Express.js
• WebSocket Server (using ws)
• PostgreSQL + Prisma ORM
• Cron jobs with node-cron

• What WebSockets are: A persistent full-duplex communication channel between client and server.
• How ws works: A minimalist WebSocket library in Node.js that gives low-level control.
• Why not Socket.IO?: Socket.IO adds extra metadata and abstraction. ws is better for lean setups and learning real WebSocket protocol.
• How to handle real-time messaging: Broadcast messages to connected clients in a room.
• Room handling logic: Track rooms and users using in-memory data structures (like Record<string, Set<WebSocket>>).
• Anonymous user generation: Persist anonymous names per device via localStorage.
• Cron for cleanup: Scheduled task to remove messages older than 24 hours from the database.

• Add typing indicators
• Add message reactions or emojis
• Auto-scroll to latest messages
• Option to set nickname (optional)

MIT