Bun WebSocket Server Bun has built-in WebSocket support integrated with . Quick Start WebSocket Handlers Sending Messages Attaching Data to Connections Pub/Sub (Topics) Broadcasting to All Clients Server-Level Publish WebSocket Options Client-Side Connection Authentication Common Errors | Error | Cause | Fix | |-------|-------|-----| | | Invalid request | Check upgrade headers | | | Client disconnect | Handle in close handler | | | Exceeds maxPayloadLength | Increase limit or chunk data | | | Slow client | Check buffer, wait for drain | Common Patterns Chat Room When to Load References Load w…