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ghost/core/frontend/helpers/date.js
Hannah Wolfe 5e2c62e328
Moved theme i18n into theme service + refactor (#11674)
- The existing common.i18n library contained code for core and theme translations
- There is some shared logic and some theme-specific logic, and the theme-specific logic has dependencies we don't want in lib/common
- This refactor introduces an I18n base class that does all the main shared logic, with no dependencies on other parts of the codebase
- ThemeI18n then extends this logic, and replaces the functions it needs to handle differently and adds it's dependencies on config and settingsCache
- The class has several methods broken down into smaller pieces to make it easier to extend only the necessary parts
- The class also encapsulates all of its logic, without external functions or variables
- The function loadThemeTranslations becomes the 'init()' function overridden in themeI18n.
2020-03-19 14:07:20 +00:00

47 lines
1.6 KiB
JavaScript

// # Date Helper
// Usage: `{{date format="DD MM, YYYY"}}`, `{{date updated_at format="DD MM, YYYY"}}`
//
// Formats a date using moment-timezone.js. Formats published_at by default but will also take a date as a parameter
const {SafeString, themeI18n} = require('./proxy');
const moment = require('moment-timezone');
module.exports = function (date, options) {
let timezone;
if (!options && Object.prototype.hasOwnProperty.call(date, 'hash')) {
options = date;
date = undefined;
timezone = options.data.site.timezone;
// set to published_at by default, if it's available
// otherwise, this will print the current date
if (this.published_at) {
date = moment(this.published_at).tz(timezone).format();
}
}
const {
format = 'MMM DD, YYYY',
timeago
} = options.hash;
// ensure that context is undefined, not null, as that can cause errors
date = date === null ? undefined : date;
timezone = options.data.site.timezone;
const timeNow = moment().tz(timezone);
// i18n: Making dates, including month names, translatable to any language.
// Documentation: http://momentjs.com/docs/#/i18n/
// Locales: https://github.com/moment/moment/tree/develop/locale
const dateMoment = moment(date);
dateMoment.locale(themeI18n.locale());
if (timeago) {
date = timezone ? dateMoment.tz(timezone).from(timeNow) : dateMoment.fromNow();
} else {
date = timezone ? dateMoment.tz(timezone).format(format) : dateMoment.format(format);
}
return new SafeString(date);
};