60 lines
1.9 KiB
JavaScript
60 lines
1.9 KiB
JavaScript
// # Date Helper
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// Usage: `{{date format="DD MM, YYYY"}}`, `{{date updated_at format="DD MM, YYYY"}}`
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//
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// Formats a date using moment-timezone.js. Formats published_at by default but will also take a date as a parameter
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const {SafeString} = require('../services/handlebars');
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const moment = require('moment-timezone');
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const _ = require('lodash');
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module.exports = function (...attrs) {
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// Options is the last argument
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const options = attrs.pop();
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let date;
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// If there is any more arguments, date is the first one
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if (!_.isEmpty(attrs)) {
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date = attrs.shift();
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// If there is no date argument & the current context contains published_at use that by default,
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// else date being undefined means moment will use the current date
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} else if (this.published_at) {
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date = this.published_at;
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}
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// ensure that date is undefined, not null, as that can cause errors
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date = date === null ? undefined : date;
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const {
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format = 'll',
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timeago,
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timezone = options.data.site.timezone,
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locale = options.data.site.locale
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} = options.hash;
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const timeNow = moment().tz(timezone);
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// Our date might be user input
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let testDateInput = Date.parse(date);
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let dateMoment;
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if (isNaN(testDateInput) === false) {
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dateMoment = moment.parseZone(date);
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} else {
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dateMoment = timeNow;
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}
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// i18n: Making dates, including month names, translatable to any language.
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// Documentation: http://momentjs.com/docs/#/i18n/
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// Locales: https://github.com/moment/moment/tree/develop/locale
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if (locale && locale.match('^[^/\\\\]*$') !== null) {
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dateMoment.locale(locale);
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}
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if (timeago) {
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date = dateMoment.tz(timezone).from(timeNow);
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} else {
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date = dateMoment.tz(timezone).format(format);
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}
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return new SafeString(date);
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};
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