Differential D8530 Diff 26103 web/cashtab/src/hooks/useAsyncTimeout.js

Changeset View

Standalone View

				import { useEffect, useRef } from 'react';

				const useAsyncTimeout = (callback, delay) => {
				const savedCallback = useRef(callback);

				useEffect(() => {
				savedCallback.current = callback;
				});

				useEffect(() => {
				let id = null;
				const tick = () => {
				const promise = savedCallback.current();

				if (promise instanceof Promise) {
				promise.then(() => {
				id = setTimeout(tick, delay);
				});
				} else {
				id = setTimeout(tick, delay);
				}
				};

				if (id !== null) {
				id = setTimeout(tick, delay);
				return () => clearTimeout(id);
				} else {
				tick();
				return;
				}
				}, [delay]);
				};

				export default useAsyncTimeout;