| 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 {CurrentDispatcherRef, LegacyDispatcherRef} from '../types'; |
| 11 | |
| 12 | export function getDispatcherRef(renderer: { |
| 13 | +currentDispatcherRef?: LegacyDispatcherRef | CurrentDispatcherRef, |
| 14 | ... |
| 15 | }): void | CurrentDispatcherRef { |
| 16 | if (renderer.currentDispatcherRef === undefined) { |
| 17 | return undefined; |
| 18 | } |
| 19 | const injectedRef = renderer.currentDispatcherRef; |
| 20 | if ( |
| 21 | typeof injectedRef.H === 'undefined' && |
| 22 | typeof injectedRef.current !== 'undefined' |
| 23 | ) { |
| 24 | // We got a legacy dispatcher injected, let's create a wrapper proxy to translate. |
| 25 | return { |
| 26 | get H() { |
| 27 | return (injectedRef as any).current; |
| 28 | }, |
| 29 | set H(value) { |
| 30 | (injectedRef as any).current = value; |
| 31 | }, |
| 32 | }; |
| 33 | } |
| 34 | return injectedRef as any; |
| 35 | } |