TLDR Web Dev · ARTICLES & TUTORIALS

THE TRUE NATURE OF USEACTIONSTATE

nikhilsnayak.dev16 min read

Summary from the TLDR Web Dev newsletter

The useActionState hook in React 19 helps manage return values from server functions and makes the user experience for asynchronous operations. This article introduces a simple TODO app built with useReducer and shows how to refactor it to utilize useActionState for persistence, adding optimistic UI updates and error handling. Integrating useActionState with useOptimistic makes the user experience much better and smoother.