Files
berlin/src/containers/TimeConverter.tsx

45 lines
1.2 KiB
TypeScript

import { useState, useEffect } from "react";
import { BerlinClock } from "./BerlinClock";
import { DigitalClock } from "./DigitalClock";
import { useCurrentTime } from "../hooks/useCurrentTime";
import { dateToBerlin } from "../utils";
export function TimeConverter() {
const { currentTime, setCurrentTime } = useCurrentTime();
const [useSystemTime, setUseSystemTime] = useState(false);
const berlinClock = dateToBerlin(currentTime);
useEffect(() => {
if (!useSystemTime) return;
const id = setInterval(() => {
setCurrentTime(new Date());
}, 1000);
return () => clearInterval(id);
}, [useSystemTime, setCurrentTime]);
return (
<div>
<label>
<input
type="checkbox"
data-testid="use-system-time"
checked={useSystemTime}
onChange={(e) => {
setUseSystemTime(e.target.checked);
if (e.target.checked) {
setCurrentTime(new Date());
}
}}
/>
Use system time
</label>
<BerlinClock enabled={true} clock={berlinClock} />
<DigitalClock
currentTime={currentTime}
onTimeChange={setCurrentTime}
disabled={useSystemTime}
/>
</div>
);
}