unjs / crossws

🔌 Cross-platform WebSocket Servers for Node.js, Deno, Bun and Cloudflare Workers.

⛨ CrossWS

Elegant, typed, and simple interface to implement platform-agnostic WebSocket servers.

👉 📖 documentation

Features

🧩 Seamlessly integrates with, Bun, Deno, Cloudflare Workers and Node.js (ws || uWebSockets).

🚀 High-performance server hooks, avoiding heavy per-connection events API (why)

📦 No external dependencies, includes ws for Node.js support

💡 Extremely lightweight and tree-shakable packaging with ESM and CJS support

🔍 Developer-friendly object logging

Important

This project and API are under development.

Contribution

Local development

• Clone this repository
• Install the latest LTS version of Node.js
• Enable Corepack using corepack enable
• Install dependencies using pnpm install
• Run examples using pnpm play: scripts

License

Published under the MIT license. Made by @pi0 and community 💛

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