@burglekitt/gmt/dist/unix/get/getUnixNow.js

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

import { Temporal } from "@js-temporal/polyfill";
import { isValidUnixUnit } from "../validate/isValidUnixUnit.js";
/**
 * Return the current Unix timestamp in either seconds or milliseconds.
 *
 * - Uses Temporal.Now.instant() to get current time.
 * - Defaults to "milliseconds" if no unit specified.
 * - Returns 0 on failure.
 *
 * @param unit optional unit specifier: "seconds" | "milliseconds"
 * @returns number (unix timestamp)
 *
 * @example getUnixNow() // 1700000000000
 * @example getUnixNow("seconds") // 1700000000
 */
export function getUnixNow(...unitInput) {
    const rawUnit = unitInput.length === 0 ? undefined : unitInput[0];
    const resolvedUnit = unitInput.length === 0
        ? "milliseconds"
        : isValidUnixUnit(String(rawUnit ?? ""))
            ? rawUnit
            : "milliseconds";
    const instant = Temporal.Now.instant();
    if (resolvedUnit === "seconds") {
        return Math.floor(instant.epochMilliseconds / 1000);
    }
    return instant.epochMilliseconds;
}