[core][Slider] Ref immutable consistency (#227)

mui · Apr 12, 2024 · 2b2836f · 2b2836f
1 parent cee26f8
commit 2b2836f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/mui-base/src/useSlider/useSlider.ts b/packages/mui-base/src/useSlider/useSlider.ts
@@ -273,7 +273,7 @@ export function useSlider(parameters: UseSliderParameters): UseSliderReturnValue
   } = useIsFocusVisible();
   const [focusedThumbIndex, setFocusedThumbIndex] = React.useState(-1);
 
-  const sliderRef = React.useRef<HTMLSpanElement>();
+  const sliderRef = React.useRef<HTMLSpanElement>(null);
   const handleFocusRef = useForkRef(focusVisibleRef, sliderRef);
   const handleRef = useForkRef(ref, handleFocusRef);