ws.io-server

High-performance WebSocket server for Bun, powered by WS.io binary protocol. Documentation: https://sarathkumar1207.github.io/ws.io/

Features

• Bun Native: Built on top of Bun.serve.
• Binary-First: No JSON overhead.
• Rooms: Easy room management (join/leave/to).
• ACKs: Reliable message acknowledgment.
• Encryption: Optional per-connection encryption.

Installation

bun add ws.io-server

Usage

import { Server } from "ws.io-server";

const io = new Server({ port: 3000 });

io.on("connection", (socket) => {
  socket.on("message", (data) => {
    socket.emit("reply", "received!");
  });
});