bbgo_origin/frontend/hooks/useInterval.ts
2022-06-15 19:02:24 +08:00

21 lines
454 B
TypeScript

import { useEffect, useRef } from 'react';
export default function useInterval(cb: Function, delayMs: number | null) {
const savedCallback = useRef<Function>();
useEffect(() => {
savedCallback.current = cb;
}, [cb]);
useEffect(() => {
function tick() {
savedCallback.current();
}
if (delayMs !== null) {
let timerId = setInterval(tick, delayMs);
return () => clearInterval(timerId);
}
}, [delayMs]);
}