fix(types): accept undefined equalityFn for the deprecated useStore (#…

…1972)
pmndrs · Aug 6, 2023 · 1a9b309 · 1a9b309 · vercel · Aug 6, 2023
1 parent 19d3df2
commit 1a9b309
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/react.ts b/src/react.ts
@@ -39,7 +39,7 @@ export function useStore<S extends WithReact<StoreApi<unknown>>, U>(
 export function useStore<S extends WithReact<StoreApi<unknown>>, U>(
   api: S,
   selector: (state: ExtractState<S>) => U,
-  equalityFn: (a: U, b: U) => boolean
+  equalityFn: ((a: U, b: U) => boolean) | undefined
 ): U
 
 export function useStore<TState, StateSlice>(