KooFE Frontend Team

May 3, 2025 · Frontend Development

How Do ‘use client’ and ‘use server’ Transform React’s Module System?

This article explains the purpose and mechanics of the new React directives ‘use client’ and ‘use server’, showing how they let developers express client‑server boundaries directly in the module system, turn server functions into type‑safe RPC calls, and embed client components as scripts for seamless full‑stack integration.