Exploring useActionState

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4M ago 59:57

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Sam and Ryan talk about React 19's useActionState hook. They discuss how adding async functions to a plain React app introduces lots of in-between states that developers must grapple with, and how useActionState allows React to collapse and eliminate these states, bringing the simplicity of React's sync mental model to our async code.

Timestamps:

0:00 - Intro
1:51 - How React normally eliminates state in synchronous apps
8:20 - How useActionState lets React eliminate state in asynchronous apps
18:17 - Why you shouldn't just pass server actions into useActionState
23:00 - TCP/IP and UDP analogy
26:39 - Thinking of useActionState like enqueue
34:55 - Why the term "reducer" is too loaded for best understanding useActionState
51:07 - How useActionState helps you build a Todo app that stays responsive during pending actions

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