Replace ?? operator with manual !== undefined

mui · Mar 28, 2020 · b43f0d5 · b43f0d5
1 parent b367f77
commit b43f0d5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/material-ui/src/FormControl/FormControl.js b/packages/material-ui/src/FormControl/FormControl.js
@@ -120,7 +120,7 @@ const FormControl = React.forwardRef(function FormControl(props, ref) {
   });
 
   const [_focused, setFocused] = React.useState(false);
-  const focused = visuallyFocused ?? _focused;
+  const focused = visuallyFocused !== undefined ? visuallyFocused : _focused;
 
   if (disabled && focused) {
     setFocused(false);