signal-desktop/ts/components/conversation/TimelineDateHeader.tsx
2022-01-26 17:05:26 -06:00

43 lines
1.1 KiB
TypeScript

// Copyright 2022 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import type { ReactElement } from 'react';
import React, { useEffect, useState } from 'react';
import classNames from 'classnames';
import * as durations from '../../util/durations';
import type { LocalizerType } from '../../types/Util';
import { formatDate } from '../../util/timestamp';
import { Time } from '../Time';
export function TimelineDateHeader({
floating = false,
i18n,
timestamp,
}: Readonly<{
floating?: boolean;
i18n: LocalizerType;
timestamp: number;
}>): ReactElement {
const [text, setText] = useState(formatDate(i18n, timestamp));
useEffect(() => {
const update = () => setText(formatDate(i18n, timestamp));
update();
const interval = setInterval(update, durations.MINUTE);
return () => {
clearInterval(interval);
};
}, [i18n, timestamp]);
return (
<Time
className={classNames(
'TimelineDateHeader',
`TimelineDateHeader--${floating ? 'floating' : 'inline'}`
)}
dateOnly
timestamp={timestamp}
>
{text}
</Time>
);
}