blob: 4e39c50b0f4db1e3935919b6fcba3aa1b269e129 [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 { useEffect, useRef } from 'react';
export function useInterval(fn: () => void, delay: number) {
const lastFn = useRef<() => void>(fn);
useEffect(() => {
lastFn.current = fn;
}, [fn]);
useEffect(() => {
const intervalId = delay
? setInterval(() => {
lastFn.current();
}, delay)
: undefined;
return () => {
if (intervalId) {
clearInterval(intervalId);
}
};
}, [delay]);
}