@burglekitt/gmt/dist/plain/validate/isValidTimeDurationUnit.js

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

/**
 * Return true when `unit` is a valid TimeDurationUnit.
 *
 * - Valid units are: "hours", "minutes", "seconds", "milliseconds", "microseconds", "nanoseconds".
 * - Uses type assertion to narrow the type.
 *
 * @param unit string candidate
 * @returns boolean indicating whether the unit is valid
 *
 * @example isValidTimeDurationUnit("hours") // true
 * @example isValidTimeDurationUnit("minutes") // true
 * @example isValidTimeDurationUnit("seconds") // true
 * @example isValidTimeDurationUnit("invalid") // false
 */
export const isValidTimeDurationUnit = (unit) => {
    return (unit === "hours" ||
        unit === "minutes" ||
        unit === "seconds" ||
        unit === "milliseconds" ||
        unit === "microseconds" ||
        unit === "nanoseconds");
};