@burglekitt/gmt/dist/zoned/get/getZonedMillisecond.js

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

import { Temporal } from "@js-temporal/polyfill";
import { isValidTimeZone } from "../validate/index.js";
/**
 * Return the current millisecond for the specified IANA timeZone.
 *
 * - Uses Temporal.Now.zonedDateTimeISO to get the current time.
 * - Validation is performed on the timezone.
 *
 * @param ianaTimezone IANA timeZone identifier
 * @returns current millisecond string (zero-padded to 3 digits) or "" on invalid input
 *
 * @example getZonedMillisecond("America/New_York") // "000"
 * @example getZonedMillisecond("invalid") // ""
 */
export function getZonedMillisecond(ianaTimezone) {
    if (!isValidTimeZone(ianaTimezone))
        return "";
    try {
        return Temporal.Now.zonedDateTimeISO(ianaTimezone)
            .millisecond.toString()
            .padStart(3, "0");
    }
    catch {
        return "";
    }
}