| 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 {useState, useEffect} from 'react'; |
| 11 | import type {FrontendBridge} from 'react-devtools-shared/src/bridge'; |
| 12 | |
| 13 | // Events that are prefixed with `extension` will only be emitted for the browser extension implementation. |
| 14 | // For other implementations, this hook will just return constant `true` value. |
| 15 | export function useExtensionComponentsPanelVisibility( |
| 16 | bridge: FrontendBridge, |
| 17 | ): boolean { |
| 18 | const [isVisible, setIsVisible] = useState(true); |
| 19 | |
| 20 | useEffect(() => { |
| 21 | function onPanelShown() { |
| 22 | setIsVisible(true); |
| 23 | } |
| 24 | function onPanelHidden() { |
| 25 | setIsVisible(false); |
| 26 | } |
| 27 | |
| 28 | bridge.addListener('extensionComponentsPanelShown', onPanelShown); |
| 29 | bridge.addListener('extensionComponentsPanelHidden', onPanelHidden); |
| 30 | |
| 31 | return () => { |
| 32 | bridge.removeListener('extensionComponentsPanelShown', onPanelShown); |
| 33 | bridge.removeListener('extensionComponentsPanelHidden', onPanelHidden); |
| 34 | }; |
| 35 | }, [bridge]); |
| 36 | |
| 37 | return isVisible; |
| 38 | } |