@lexical/react/useLexicalSubscription.js.flow

This package provides Lexical components and hooks for React applications.

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow strict
 */

import type {LexicalEditor} from 'lexical';

export type LexicalSubscription<T> = {
  initialValueFn: () => T,
  subscribe: (callback: (value: T) => void) => () => void,
};

declare export function useLexicalSubscription<T>(
  subscription: (editor: LexicalEditor) => LexicalSubscription<T>,
): T;