@burglekitt/gmt/dist/utc/parse/parseYearFromUtc.js

Temporal-based date and time utilities with timezone support and polyfill integration

import { Temporal } from "@js-temporal/polyfill";
import { isValidUtc } from "../validate/index.js";
/**
 * Return the year from a UTC datetime string.
 *
 * - Returns the year as a string (e.g., "2024").
 * - Returns "" for invalid input.
 *
 * @param value ISO UTC datetime string (e.g., "2024-03-17T14:30:45Z")
 * @returns Year (YYYY) or "" on invalid input
 *
 * @example parseYearFromUtc("2024-03-17T14:30:45Z") // "2024"
 * @example parseYearFromUtc("invalid") // ""
 */
export function parseYearFromUtc(value) {
    if (!isValidUtc(value))
        return "";
    try {
        const instant = Temporal.Instant.from(value);
        const dateTime = instant.toZonedDateTimeISO("UTC");
        return dateTime.year.toString();
    }
    catch {
        return "";
    }
}