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65 lines
1.8 KiB
TypeScript
65 lines
1.8 KiB
TypeScript
import React, { useCallback, useState } from 'react';
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import moment from 'moment';
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// tslint:disable-next-line: no-submodule-imports
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import useInterval from 'react-use/lib/useInterval';
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import styled from 'styled-components';
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type Props = {
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timestamp?: number;
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isConversationListItem?: boolean;
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momentFromNow: boolean;
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};
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const UPDATE_FREQUENCY = 60 * 1000;
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const TimestampContainerNotListItem = styled.div`
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color: var(--text-secondary-color);
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font-size: var(--font-size-xs);
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line-height: 16px;
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letter-spacing: 0.3px;
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text-transform: uppercase;
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user-select: none;
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`;
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const TimestampContainerListItem = styled(TimestampContainerNotListItem)`
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flex-shrink: 0;
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margin-inline-start: 6px;
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overflow-x: hidden;
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white-space: nowrap;
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text-overflow: ellipsis;
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`;
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export const Timestamp = (props: Props) => {
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const [_lastUpdated, setLastUpdated] = useState(Date.now());
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// this is kind of a hack, but we use lastUpdated just to trigger a refresh.
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// formatRelativeTime() will print the correct moment.
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const update = useCallback(() => {
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setLastUpdated(Date.now());
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}, [setLastUpdated]);
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useInterval(update, UPDATE_FREQUENCY);
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const { timestamp, momentFromNow } = props;
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if (timestamp === null || timestamp === undefined) {
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return null;
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}
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const momentValue = moment(timestamp);
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let dateString: string = '';
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if (momentFromNow) {
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dateString = momentValue.fromNow();
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} else {
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dateString = momentValue.format('lll');
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}
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dateString = dateString.replace('minutes', 'mins').replace('minute', 'min');
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const title = moment(timestamp).format('llll');
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if (props.isConversationListItem) {
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return <TimestampContainerListItem title={title}>{dateString}</TimestampContainerListItem>;
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}
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return <TimestampContainerNotListItem title={title}>{dateString}</TimestampContainerNotListItem>;
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};
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