| import { RefObject, useEffect, useState } from 'react'; |
| import { off, on } from './misc/util'; |
|
|
| |
| const useHoverDirty = (ref: RefObject<Element>, enabled: boolean = true) => { |
| if (process.env.NODE_ENV === 'development') { |
| if (typeof ref !== 'object' || typeof ref.current === 'undefined') { |
| console.error('useHoverDirty expects a single ref argument.'); |
| } |
| } |
|
|
| const [value, setValue] = useState(false); |
|
|
| useEffect(() => { |
| const onMouseOver = () => setValue(true); |
| const onMouseOut = () => setValue(false); |
|
|
| if (enabled && ref && ref.current) { |
| on(ref.current, 'mouseover', onMouseOver); |
| on(ref.current, 'mouseout', onMouseOut); |
| } |
|
|
| |
| const { current } = ref; |
|
|
| return () => { |
| if (enabled && current) { |
| off(current, 'mouseover', onMouseOver); |
| off(current, 'mouseout', onMouseOut); |
| } |
| }; |
| }, [enabled, ref]); |
|
|
| return value; |
| }; |
|
|
| export default useHoverDirty; |
|
|
