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58 lines
1.6 KiB
TypeScript
58 lines
1.6 KiB
TypeScript
import moment from 'moment';
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import { Localizer } from '../types/Util';
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const getExtendedFormats = (i18n: Localizer) => ({
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y: 'lll',
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M: `${i18n('timestampFormat_M') || 'MMM D'} LT`,
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d: 'ddd LT',
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});
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const getShortFormats = (i18n: Localizer) => ({
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y: 'll',
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M: i18n('timestampFormat_M') || 'MMM D',
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d: 'ddd',
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});
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function isToday(timestamp: moment.Moment) {
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const today = moment().format('ddd');
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const targetDay = moment(timestamp).format('ddd');
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return today === targetDay;
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}
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function isYear(timestamp: moment.Moment) {
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const year = moment().format('YYYY');
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const targetYear = moment(timestamp).format('YYYY');
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return year === targetYear;
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}
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export function formatRelativeTime(
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rawTimestamp: number | Date,
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options: { extended: boolean; i18n: Localizer }
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) {
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const { extended, i18n } = options;
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const formats = extended ? getExtendedFormats(i18n) : getShortFormats(i18n);
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const timestamp = moment(rawTimestamp);
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const now = moment();
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const diff = moment.duration(now.diff(timestamp));
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if (diff.years() >= 1 || !isYear(timestamp)) {
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return timestamp.format(formats.y);
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} else if (diff.months() >= 1 || diff.days() > 6) {
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return timestamp.format(formats.M);
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} else if (diff.days() >= 1 || !isToday(timestamp)) {
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return timestamp.format(formats.d);
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} else if (diff.hours() >= 1) {
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const key = extended ? 'hoursAgo' : 'hoursAgoShort';
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return i18n(key, [String(diff.hours())]);
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} else if (diff.minutes() >= 1) {
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const key = extended ? 'minutesAgo' : 'minutesAgoShort';
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return i18n(key, [String(diff.minutes())]);
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}
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return i18n('justNow');
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}
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