Files
mattermost-mobile/app/hooks/navigate_back.ts

22 lines
636 B
TypeScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import {EffectCallback, useEffect} from 'react';
import {Navigation} from 'react-native-navigation';
const BACK_BUTTON = 'RNN.back';
const useBackNavigation = (callback: EffectCallback) => {
useEffect(() => {
const backListener = Navigation.events().registerNavigationButtonPressedListener(({buttonId}) => {
if (buttonId === BACK_BUTTON) {
callback();
}
});
return () => backListener.remove();
}, [callback]);
};
export default useBackNavigation;