49 lines
1 KiB
TypeScript
49 lines
1 KiB
TypeScript
import Portal from '@reach/portal';
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import React, { useState, useRef } from 'react';
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interface IHoverable {
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component: React.Component,
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}
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/** Wrapper to render a given component when hovered */
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const Hoverable: React.FC<IHoverable> = ({
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component,
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children,
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}): JSX.Element => {
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const [portalActive, setPortalActive] = useState(false);
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const ref = useRef<HTMLDivElement>(null);
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const handleMouseEnter = () => {
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setPortalActive(true);
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};
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const handleMouseLeave = () => {
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setPortalActive(false);
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};
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const setPortalPosition = (): React.CSSProperties => {
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if (!ref.current) return {};
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const { top, height, left, width } = ref.current.getBoundingClientRect();
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return {
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top: top + height,
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left,
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width,
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};
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};
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return (
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<div
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onMouseEnter={handleMouseEnter}
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onMouseLeave={handleMouseLeave}
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ref={ref}
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>
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{children}
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{portalActive && <Portal><div className='fixed' style={setPortalPosition()}>{component}</div></Portal>}
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</div>
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);
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};
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export default Hoverable;
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