Files
teleport/web/packages/shared/hooks/useRefClickOutside/useRefClickOutside.ts
T
Ryan ClarkandRafał Cieślak d6fa030c0e Move import sorting over to prettier (#50618)
* Move import sorting over to prettier

* Update import order

* Re-run prettier

---------

Co-authored-by: Rafał Cieślak <rafal.cieslak@goteleport.com>
2025-01-02 13:36:46 +00:00

66 lines
2.1 KiB
TypeScript

/**
* Teleport
* Copyright (C) 2023 Gravitational, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { MutableRefObject, useCallback, useEffect, useRef } from 'react';
// IGNORE_CLICK_CLASSNAME is the className that should be on elements which shouldn't trigger setOpen(false).
export const IGNORE_CLICK_CLASSNAME = 'ignore-click';
/**
* useRefClickOutside adds a `mousedown` event listener (and cleanup)
* that upon `mousedown` will:
* - set the field `open` to false if the event happened outside the ref
* - does nothing if the event happened inside the ref
*
* Returns a `ref` object to be used for the element that we want `mousedown`
* events to be ignored.
*/
export function useRefClickOutside<
T extends { contains(eventTarget: HTMLElement): boolean },
>(options: { open: boolean; setOpen(b: boolean): void }): MutableRefObject<T> {
const ref = useRef<T>();
const { setOpen, open } = options;
const handleClickOutside = useCallback(
(event: MouseEvent) => {
if (
ref.current &&
!(
ref.current.contains(event.target as HTMLElement) ||
(event.target as HTMLElement).closest('.' + IGNORE_CLICK_CLASSNAME)
)
) {
setOpen(false);
}
},
[setOpen]
);
useEffect(() => {
if (open) {
document.addEventListener('mousedown', handleClickOutside);
return () => {
document.removeEventListener('mousedown', handleClickOutside);
};
}
}, [open, handleClickOutside]);
return ref;
}