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gitea/web_src/js/webcomponents/absolute-date.js
silverwind 0d3ec8e2ad
Use Temporal.PlainDate for absolute dates (#29804)
Use the upcoming
[Temporal.PlainDate](https://tc39.es/proposal-temporal/docs/plaindate.html)
via polyfill. If there is any remaining bugs in `<absolute-date>` this
will iron them out. I opted for the lightweight polyfill because both
seem to achieve our goal of localizeable absolute dates.

- With
[`@js-temporal/polyfill`](https://www.npmjs.com/package/@js-temporal/polyfill)
chunk size goes from 81.4 KiB to 274 KiB
- With
[`temporal-polyfill`](https://www.npmjs.com/package/temporal-polyfill)
chunk size goes from 81.4 KiB to 142 KiB

Also see [this
table](https://github.com/fullcalendar/temporal-polyfill?tab=readme-ov-file#comparison-with-js-temporalpolyfill)
for more comparisons of these polyfills. Soon there will be
[treeshakable
API](https://github.com/fullcalendar/temporal-polyfill?tab=readme-ov-file#tree-shakable-api)
as well which will further reduce size.
2024-03-15 09:13:01 +00:00

40 lines
1.3 KiB
JavaScript

import {Temporal} from 'temporal-polyfill';
export function toAbsoluteLocaleDate(dateStr, lang, opts) {
return Temporal.PlainDate.from(dateStr).toLocaleString(lang ?? [], opts);
}
window.customElements.define('absolute-date', class extends HTMLElement {
static observedAttributes = ['date', 'year', 'month', 'weekday', 'day'];
update = () => {
const year = this.getAttribute('year') ?? '';
const month = this.getAttribute('month') ?? '';
const weekday = this.getAttribute('weekday') ?? '';
const day = this.getAttribute('day') ?? '';
const lang = this.closest('[lang]')?.getAttribute('lang') ||
this.ownerDocument.documentElement.getAttribute('lang') || '';
// only use the first 10 characters, e.g. the `yyyy-mm-dd` part
const dateStr = this.getAttribute('date').substring(0, 10);
if (!this.shadowRoot) this.attachShadow({mode: 'open'});
this.shadowRoot.textContent = toAbsoluteLocaleDate(dateStr, lang, {
...(year && {year}),
...(month && {month}),
...(weekday && {weekday}),
...(day && {day}),
});
};
attributeChangedCallback(_name, oldValue, newValue) {
if (!this.initialized || oldValue === newValue) return;
this.update();
}
connectedCallback() {
this.initialized = false;
this.update();
this.initialized = true;
}
});