@burglekitt/gmt
Version:
Temporal-based date and time utilities with timezone support and polyfill integration
27 lines (26 loc) • 798 B
JavaScript
import { Temporal } from "@js-temporal/polyfill";
import { isValidUtc } from "../validate/index.js";
/**
* Return the month (1-12) from a UTC datetime string.
*
* - Returns zero-padded string for month.
* - Returns "" for invalid input.
*
* @param value ISO UTC datetime string (e.g., "2024-03-17T14:30:45Z")
* @returns Month (01-12) or "" on invalid input
*
* @example parseMonthFromUtc("2024-03-17T14:30:45Z") // "03"
* @example parseMonthFromUtc("invalid") // ""
*/
export function parseMonthFromUtc(value) {
if (!isValidUtc(value))
return "";
try {
const instant = Temporal.Instant.from(value);
const dateTime = instant.toZonedDateTimeISO("UTC");
return dateTime.month.toString().padStart(2, "0");
}
catch {
return "";
}
}