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The End of "Heavy" WebSockets: Introducing @rabbx/ws

DEV Community·rabbxdev·21 days ago
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The Node.js ecosystem has relied on the ws library for 15 years. It’s reliable, but it was built for a different era—one before Bun , Deno , and Cloudflare Workers redefined the edge. Enter @rabbx/ws : a zero-dependency, zero-copy WebSocket library designed for 2026. It’s smaller, faster, and truly universal. Why Move Away from ws? While the classic ws package is the industry standard, it carries baggage. It’s roughly 80KB with dependencies and relies heavily on Node-specific native hooks. @rabbx/ws strips away the bloat: Ultra-Lightweight: Only 9KB gzipped with zero dependencies . Web Standard API: No more learning custom event emitters. It uses EventTarget, MessageEvent, and CloseEvent—the same API you use in the browser. Performance First: It’s 3x faster on Bun (by leveraging native Bun.serve) and uses 2.6x less memory than traditional libraries. ### Performance Breakdown If you're running high-concurrency applications, the memory savings alone are a game changer.…

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