Fix lastResult.deref is not a function

reduxjs · Dec 18, 2023 · 8ddbb52 · 8ddbb52
1 parent 50c7a56
commit 8ddbb52
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/weakMapMemoize.ts b/src/weakMapMemoize.ts
@@ -232,7 +232,7 @@ export function weakMapMemoize<Func extends AnyFunction>(
     terminatedNode.s = TERMINATED
 
     if (resultEqualityCheck) {
-      const lastResultValue = lastResult?.deref() ?? lastResult
+      const lastResultValue = lastResult?.deref?.() ?? lastResult
       if (
         lastResultValue != null &&
         resultEqualityCheck(lastResultValue as ReturnType<Func>, result)