Function isSuccessfulStatus

http/status.ts:370–374

(
  status: number,
)

 * @returns Whether or not the provided status is a successful status code.
 */
export function isSuccessfulStatus(
  status: number,
): status is SuccessfulStatus {
  return isStatus(status) && status >= 200 && status < 300;
}

/**
 * A type guard that determines if the status code is a redirection.