React 19.2 Server Functions (use server) and What You Need to Know

Описание: Welcome to BuildBytesDaily!
In this bite-sized episode, we cover React 19.2’s 'use server' Server Functions — what they do, how client calls are sent, and practical tips for using server functions safely in your apps.

🔍 In This Episode
• What is 'use server' & how client calls work — marks server-side functions callable from client code; calls send serialized args and return serialized values.
• Serialization & forms — supported arg/return types and using Server Functions as form action handlers with useActionState.
• Security & caveats — validate client input, place the directive correctly, remember Server Functions are async-only and best for mutations.

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