59 lines
2.1 KiB
JavaScript
59 lines
2.1 KiB
JavaScript
/**
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* Nextcloud - News
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*
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* This file is licensed under the Affero General Public License version 3 or
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* later. See the COPYING file.
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*
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* @author Alec Kojaev <alec@kojaev.name>
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* @copyright Alec Kojaev 2021
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*/
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app.filter('relativeTimestamp', ['SettingsResource', function (SettingsResource) {
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'use strict';
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const languageCode = SettingsResource.get('language');
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const relFormat = Intl.RelativeTimeFormat ?
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new Intl.RelativeTimeFormat(languageCode, { numeric: 'auto' }) : null;
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const maxRelDistance = 90*86400*1000;
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const relLimits = [
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[ 7*86400*1000, 'week' ],
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[ 86400*1000, 'day' ],
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[ 3600*1000, 'hour' ],
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[ 60*1000, 'minute' ],
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[ 1*1000, 'second' ]
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];
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const absLimits = [
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[ 7*86400*1000, { hour: '2-digit', minute: '2-digit', dayPeriod: 'narrow',
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year: 'numeric', month: 'short', day: 'numeric' } ],
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[ 43200*1000, { hour: '2-digit', minute: '2-digit', dayPeriod: 'narrow',
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weekday: 'long' } ],
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[ 0, { hour: '2-digit', minute: '2-digit', dayPeriod: 'narrow' } ]
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];
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return function (timestamp) {
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if (!Number.isFinite(timestamp)) {
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return timestamp;
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}
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const ts = new Date(timestamp);
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const dist = ts.getTime() - Date.now();
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const absDist = Math.abs(dist);
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if (relFormat && absDist < maxRelDistance) {
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for (const [ scale, unit ] of relLimits) {
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const value = Math.trunc(dist / scale);
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if (value !== 0) {
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return relFormat.format(value, unit);
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}
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}
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// We arrive here only if distance from now is less than 1 second
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return relFormat.format(0, 'second');
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} else {
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for (const [ limit, options ] of absLimits) {
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if (absDist >= limit) {
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return ts.toLocaleString(languageCode, options);
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}
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}
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// We shouldn't be here
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return ts.toLocaleString(languageCode, absLimits[absLimits.length - 1][1]);
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}
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};
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}]);
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