44 lines
1.2 KiB
JavaScript
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();
|
||
|
|
}
|