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useThrottle.js
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useThrottle.js
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/**
* Copyright (c) 2020, Amdocs Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {useCallback, useEffect, useRef} from 'react';
export default (callback, threshold) => {
const wait = useRef(false);
const timeout = useRef(-1);
useEffect(() => {
const _timeout = timeout.current;
return () => {
clearTimeout(_timeout);
}
}, []); // No need for deps here since 'timeout' is mutated
return useCallback((...args) => {
if (!wait.current) {
callback(...args);
wait.current = true;
clearTimeout(timeout.current);
timeout.current = setTimeout(() => {
wait.current = false;
}, threshold);
}
}, [callback, threshold]);
};