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- window.customElements.define('gitea-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 extract the `yyyy-mm-dd` part. When converting to Date, it will become midnight UTC and when rendered
- // as localized date, will have a offset towards UTC, which we remove to shift the timestamp to midnight in the
- // localized date. We should eventually use `Temporal.PlainDate` which will make the correction unnecessary.
- // - https://stackoverflow.com/a/14569783/808699
- // - https://tc39.es/proposal-temporal/docs/plaindate.html
- const date = new Date(this.getAttribute('date').substring(0, 10));
- const correctedDate = new Date(date.getTime() - date.getTimezoneOffset() * -60000);
-
- if (!this.shadowRoot) this.attachShadow({mode: 'open'});
- this.shadowRoot.textContent = correctedDate.toLocaleString(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;
- }
- });
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