Don't return a value in useEffect callback (floating-ui#367)

Author: gnapse

src/Popper.js

@@ -62,10 +62,9 @@ export function Popper({
  const [popperElement, setPopperElement] = React.useState(null);
  const [arrowElement, setArrowElement] = React.useState(null);
 
- React.useEffect(() => setRef(innerRef, popperElement), [
- innerRef,
- popperElement,
- ]);
+ React.useEffect(() => {
+ setRef(innerRef, popperElement)
+ }, [innerRef, popperElement]);
 
  const options = React.useMemo(
  () => ({