This recipe provides a collection of codemods to help you migrate your codebase to Valtio v2. These codemods are designed to streamline the transition process by automating common code transformations due to behavioral changes in Valtio v2.

This codemod automates the migration of Valtio code to accommodate changes in the behavior of useSnapshot(). In recent updates, useSnapshot() has been modified for better compatibility with useMemo and the upcoming React compiler. This codemod updates your code to ensure optimal performance and compatibility with these changes.

In Valtio v2, the behavior of the proxy(obj) function has changed. In v1, proxy(obj) was a pure function that deeply copied the object obj. In v2, proxy(obj) is an impure function that deeply modifies obj. This codemod updates your code to accommodate these changes by incorporating deepClone to ensure that objects are deeply copied as they were in v1.