fix: add undefined initial value to primitive Atom definition

pmndrs · Jul 20, 2024 · 6f27425 · 6f27425
1 parent debff8b
commit 6f27425
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/vanilla/atom.ts b/src/vanilla/atom.ts
@@ -83,8 +83,8 @@ export function atom<Value, Args extends unknown[], Result>(
 
 // primitive atom
 export function atom<Value>(
-  initialValue: Value,
-): PrimitiveAtom<Value> & WithInitialValue<Value>
+  initialValue?: Value,
+): PrimitiveAtom<Value | undefined> & WithInitialValue<Value | undefined>
 
 export function atom<Value, Args extends unknown[], Result>(
   read: Value | Read<Value, SetAtom<Args, Result>>,