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lens/dashboard/client/hooks/useInterval.ts
Jari Kolehmainen d057cb17c6 Lens app source code (#119)
Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>
Signed-off-by: Cody Belcher <cody.t.belcher@gmail.com>
2020-04-16 11:23:35 -05:00

18 lines
396 B
TypeScript

import { useRef, useEffect } from "react";
export function useInterval(callback: () => void, delay: number) {
const savedCallback = useRef<() => void>();
useEffect(() => {
savedCallback.current = callback;
});
useEffect(() => {
function tick() {
savedCallback.current();
}
const id = setInterval(tick, delay);
return () => clearInterval(id);
}, [delay]);
}