next-sanity/dist/RefreshOnFocus.js

Sanity.io toolkit for Next.js

import { useRouter } from "next/navigation";
import { useEffect } from "react";
const focusThrottleInterval = 5e3;
function RefreshOnFocus() {
	const router = useRouter();
	useEffect(() => {
		const controller = new AbortController();
		let nextFocusRevalidatedAt = 0;
		const callback = () => {
			const now = Date.now();
			if (now > nextFocusRevalidatedAt && document.visibilityState !== "hidden") {
				router.refresh();
				nextFocusRevalidatedAt = now + focusThrottleInterval;
			}
		};
		const { signal } = controller;
		document.addEventListener("visibilitychange", callback, {
			passive: true,
			signal
		});
		window.addEventListener("focus", callback, {
			passive: true,
			signal
		});
		return () => controller.abort();
	}, [router]);
	return null;
}
RefreshOnFocus.displayName = "RefreshOnFocus";
export { RefreshOnFocus as default };

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