31 lines
1.2 KiB
JavaScript
31 lines
1.2 KiB
JavaScript
import { useEffect, useState } from 'react';
|
|
import { off, on } from './misc/util';
|
|
// kudos: https://usehooks.com/
|
|
var useHoverDirty = function (ref, enabled) {
|
|
if (enabled === void 0) { enabled = true; }
|
|
if (process.env.NODE_ENV === 'development') {
|
|
if (typeof ref !== 'object' || typeof ref.current === 'undefined') {
|
|
console.error('useHoverDirty expects a single ref argument.');
|
|
}
|
|
}
|
|
var _a = useState(false), value = _a[0], setValue = _a[1];
|
|
useEffect(function () {
|
|
var onMouseOver = function () { return setValue(true); };
|
|
var onMouseOut = function () { return setValue(false); };
|
|
if (enabled && ref && ref.current) {
|
|
on(ref.current, 'mouseover', onMouseOver);
|
|
on(ref.current, 'mouseout', onMouseOut);
|
|
}
|
|
// fixes react-hooks/exhaustive-deps warning about stale ref elements
|
|
var current = ref.current;
|
|
return function () {
|
|
if (enabled && current) {
|
|
off(current, 'mouseover', onMouseOver);
|
|
off(current, 'mouseout', onMouseOut);
|
|
}
|
|
};
|
|
}, [enabled, ref]);
|
|
return value;
|
|
};
|
|
export default useHoverDirty;
|