GT2/Ejectable/node_modules/react-native/Libraries/Pressability/usePressability.js

44 lines
1.2 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its 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-local
* @format
*/
'use strict';
import Pressability, {
type EventHandlers,
type PressabilityConfig,
} from './Pressability';
import {useEffect, useRef} from 'react';
export default function usePressability(
config: PressabilityConfig,
): EventHandlers {
const pressabilityRef = useRef<?Pressability>(null);
if (pressabilityRef.current == null) {
pressabilityRef.current = new Pressability(config);
}
const pressability = pressabilityRef.current;
// On the initial mount, this is a no-op. On updates, `pressability` will be
// re-configured to use the new configuration.
useEffect(() => {
pressability.configure(config);
}, [config, pressability]);
// On unmount, reset pending state and timers inside `pressability`. This is
// a separate effect because we do not want to reset when `config` changes.
useEffect(() => {
return () => {
pressability.reset();
};
}, [pressability]);
return pressability.getEventHandlers();
}