date-tools

/**
 * Error thrown when a caller supplies a timezone name not recognised by the host ICU database.
 */
export class InvalidTimezoneError extends Error {
  /** The rejected timezone name as supplied by the caller. */
  public readonly timezone: string

  /**
   * Construct an InvalidTimezoneError for the supplied timezone.
   *
   * @param timezone - The rejected IANA timezone name.
   */
  public constructor(timezone: string) {
    super(`Unknown timezone: ${timezone}`)
    this.name = "InvalidTimezoneError"
    this.timezone = timezone
  }
}