Handle null default value

atomiks · Oct 14, 2024 · 1ef2828 · 1ef2828
1 parent 93c64a1
commit 1ef2828
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages/mui-base/src/Select/Root/useSelectRoot.tsx b/packages/mui-base/src/Select/Root/useSelectRoot.tsx
@@ -99,7 +99,8 @@ export function useSelectRoot(params: useSelectRoot.Parameters): useSelectRoot.R
   useEnhancedEffect(() => {
     // Wait for the items to have registered their values in `valuesRef`.
     queueMicrotask(() => {
-      const stringValue = typeof value === 'string' ? value : JSON.stringify(value);
+      const stringValue =
+        typeof value === 'string' || value === null ? value : JSON.stringify(value);
       const index = valuesRef.current.indexOf(stringValue);
       if (index !== -1) {
         setSelectedIndex(index);