TLDR Web Dev · ARTICLES & TUTORIALS
THE TRUE NATURE OF USEACTIONSTATE
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.