Function instanceof

Parameters

• cls: T
• Optionalparams: {
      error?: string | $ZodErrorMap<$ZodIssueCustom>;
      message?: string;
      when?: (payload: ParsePayload) => boolean;
  }

  • Optionalerror?: string | $ZodErrorMap<$ZodIssueCustom>

  • Optionalmessage?: string

    Deprecated

    This parameter is deprecated. Use error instead.

  • Optionalwhen?: (payload: ParsePayload) => boolean

    If provided, the check runs only when this returns true. By default, it is skipped if prior parsing produced aborting issues.