47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext';
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import { createEmptyHistoryState, registerHistory } from '@lexical/history';
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export { createEmptyHistoryState } from '@lexical/history';
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import { useMemo, useEffect } from 'react';
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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function useHistory(editor, externalHistoryState, delay = 1000) {
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const historyState = useMemo(() => externalHistoryState || createEmptyHistoryState(), [externalHistoryState]);
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useEffect(() => {
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return registerHistory(editor, historyState, delay);
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}, [delay, editor, historyState]);
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}
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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function HistoryPlugin({
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delay,
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externalHistoryState
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}) {
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const [editor] = useLexicalComposerContext();
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useHistory(editor, externalHistoryState, delay);
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return null;
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}
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export { HistoryPlugin };
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