69 lines
1.5 KiB
JavaScript
69 lines
1.5 KiB
JavaScript
// @flow
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import React, { useEffect, useRef } from 'react';
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type Props = {
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/**
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* The component(s) to be displayed within the drawer menu.
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*/
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children: React$Node,
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/**
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* Whether the drawer should be shown or not.
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*/
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isOpen: boolean,
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/**
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* Function that hides the drawer.
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*/
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onClose: Function
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};
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/**
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* Component that displays the mobile friendly drawer on web.
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*
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* @returns {ReactElement}
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*/
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function Drawer({
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children,
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isOpen,
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onClose }: Props) {
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const drawerRef: Object = useRef(null);
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/**
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* Closes the drawer when clicking or touching outside of it.
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*
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* @param {Event} event - Mouse down/start touch event object.
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* @returns {void}
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*/
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function handleOutsideClickOrTouch(event: Event) {
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if (drawerRef.current && !drawerRef.current.contains(event.target)) {
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onClose();
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}
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}
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useEffect(() => {
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window.addEventListener('mousedown', handleOutsideClickOrTouch);
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window.addEventListener('touchstart', handleOutsideClickOrTouch);
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return () => {
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window.removeEventListener('mousedown', handleOutsideClickOrTouch);
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window.removeEventListener('touchstart', handleOutsideClickOrTouch);
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};
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}, [ drawerRef ]);
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return (
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isOpen ? (
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<div
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className = 'drawer-menu'
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ref = { drawerRef }>
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{children}
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</div>
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) : null
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);
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}
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export default Drawer;
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