@burglekitt/gmt
Version:
Temporal-based date and time utilities with timezone support and polyfill integration
24 lines (23 loc) • 718 B
JavaScript
import { Temporal } from "@js-temporal/polyfill";
import { isValidTime } from "../validate/index.js";
/**
* Return the microsecond (0-999) for a given ISO 8601 time string.
*
* @param value ISO time string
* @returns Microsecond (000-999) or "" on invalid input
*
* @example parseMicrosecondFromTime("12:30:45.123") // "123"
* @example parseMicrosecondFromTime("12:30:45.000") // "000"
* @example parseMicrosecondFromTime("invalid") // ""
*/
export function parseMicrosecondFromTime(value) {
if (!isValidTime(value))
return "";
try {
const time = Temporal.PlainTime.from(value);
return time.microsecond.toString().padStart(3, "0");
}
catch {
return "";
}
}