| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | * |
| 7 | * @flow |
| 8 | */ |
| 9 | |
| 10 | import type {FiberRoot} from './ReactInternalTypes'; |
| 11 | import type {RootState} from './ReactFiberRoot'; |
| 12 | |
| 13 | // This is imported by the event replaying implementation in React DOM. It's |
| 14 | // in a separate file to break a circular dependency between the renderer and |
| 15 | // the reconciler. |
| 16 | export function isRootDehydrated(root: FiberRoot): boolean { |
| 17 | const currentState: RootState = root.current.memoizedState; |
| 18 | return currentState.isDehydrated; |
| 19 | } |