import {
  ProtectError as FfiProtectError,
  type ProtectErrorCode,
} from '@cipherstash/protect-ffi'

/**
 * Extracts FFI error code from an error if it's an FFI error, otherwise returns undefined.
 * Used to preserve specific error codes in ProtectError responses.
 */
export function getErrorCode(error: unknown): ProtectErrorCode | undefined {
  return error instanceof FfiProtectError ? error.code : undefined
}