38 lines
772 B
TypeScript
38 lines
772 B
TypeScript
"use client";
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import { useSyncExternalStore } from "react";
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function getTime(withSeconds: boolean) {
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const now = new Date();
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return now.toLocaleTimeString(
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[],
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withSeconds
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? { hour: "2-digit", minute: "2-digit", second: "2-digit" }
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: { hour: "2-digit", minute: "2-digit" }
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);
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}
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function subscribe(callback: () => void) {
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const id = window.setInterval(callback, 1000);
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return () => window.clearInterval(id);
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}
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export default function Clock({
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className,
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withSeconds = false,
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}: {
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className?: string;
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withSeconds?: boolean;
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}) {
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const text = useSyncExternalStore(
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subscribe,
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() => getTime(withSeconds),
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() => ""
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);
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return (
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<span className={className} suppressHydrationWarning>
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{text}
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</span>
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);
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}
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