@neo4j-ndl/react
Version:
React implementation of Neo4j Design System
38 lines • 1.57 kB
JavaScript
;
/**
*
* 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/>.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.useSemicontrolledState = useSemicontrolledState;
const react_1 = require("react");
function useSemicontrolledState(externalState, externalSetState) {
const [backupState, setBackupState] = (0, react_1.useState)(externalState);
const state = (0, react_1.useMemo)(() => (externalSetState ? externalState : backupState), [externalState, backupState, externalSetState]);
const setState = (0, react_1.useCallback)((newState) => {
if (externalSetState !== undefined) {
externalSetState(newState);
}
else {
setBackupState(newState);
}
}, [externalSetState, setBackupState]);
return [state, setState];
}
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