@neo4j-ndl/react
Version:
React implementation of Neo4j Design System
67 lines • 3.01 kB
JavaScript
import { jsx as _jsx, jsxs as _jsxs } from "react/jsx-runtime";
/**
*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { FloatingOverlay, FloatingPortal } from '@floating-ui/react';
import classNames from 'classnames';
import { createContext, useCallback, useContext, useRef, useState, } from 'react';
const SpotlightContext = createContext(null);
export const useSpotlightContext = () => {
const context = useContext(SpotlightContext);
if (context === null) {
throw new Error('Spotlight components must be wrapped in <SpotlightProvider />');
}
return context;
};
export const SpotlightProvider = ({ children, hasOverlay = true, isOverlayTransparent = false, }) => {
const [active, setActive] = useState(null);
const [isOpen, setIsOpen] = useState(false);
const [targets, setTargets] = useState({});
const registerTarget = useCallback((id, ref) => {
setTargets((prev) => (Object.assign(Object.assign({}, prev), { [id]: ref })));
}, []);
const unregisterTarget = useCallback((id) => {
setTargets((prev) => {
const newTargets = Object.assign({}, prev);
delete newTargets[id];
return newTargets;
});
}, []);
const contextValue = {
hasOverlay,
isActiveSpotlight: useCallback((target) => target === active, [active]),
isOpen,
registerTarget,
registeredTargets: targets,
setActiveSpotlight: useCallback((target) => setActive(target), []),
setIsOpen: useCallback((open) => setIsOpen(open), []),
unregisterTarget,
};
const overlayClasses = classNames('ndl-spotlight-overlay', {
'ndl-spotlight-overlay-opaque': !isOverlayTransparent,
'ndl-spotlight-overlay-open': isOpen && active !== null,
});
const overlayRootRef = useRef(null);
if (active !== null) {
overlayRootRef.current = document.getElementById(active);
}
return (_jsxs(SpotlightContext.Provider, { value: contextValue, children: [hasOverlay && active !== null && isOpen && (_jsx(FloatingPortal, { root: overlayRootRef.current, children: _jsx(FloatingOverlay, { lockScroll: true, className: overlayClasses, "data-testid": "ndl-spotlight-overlay" }) })), children] }));
};
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