Naive_Dialog_Demo.tsx

import { Children, createContext, useContext, type ReactNode } from "react";

const dialogContext = createContext<Record<string, any>>({});

type DialogProps = {
  isOpen?: boolean;
  children: any;
  onClose?: () => void;
};
export default function Dialog({
  onClose,
  children,
  isOpen = true,
}: DialogProps) {
  if (!children || !isOpen) return null;
  const overlay = Children.toArray(children).find(
    (child: any) => child.type === Overlay
  );
  const content = Children.toArray(children).find(
    (child: any) => child.type === Content
  );
  const closeButton = Children.toArray(children).find(
    (child: any) => child.type === CloseButton
  );
  const footer = Children.toArray(children).find(
    (child: any) => child.type === Footer
  );
  return (
    <dialogContext.Provider value={{ onClose }}>
      <section className="absolute flex min-h-screen items-center justify-center">
        {overlay}
        <div className="absolute min-w-max rounded bg-white px-8 pt-12 pb-4">
          {closeButton}
          {content}
          <hr className="mt-8 mb-2 w-full border-t border-slate-300" />
          {footer}
        </div>
      </section>
    </dialogContext.Provider>
  );
}

type OverlayProps = {
  bgColor?: string;
  props?: any;
};
export const Overlay = ({ bgColor, ...props }: OverlayProps) => {
  const classname = `fixed top-0 left-0 h-screen w-full opacity-50 ${
    bgColor ? bgColor : "bg-black"
  }`;
  return <div {...props} className={classname} />;
};

type CloseButtonProps = {
  children?: ReactNode;
};
export const CloseButton = ({ ...props }: CloseButtonProps) => {
  const { onClose } = useContext(dialogContext);
  return (
    <button onClick={onClose} {...props} className="absolute right-4 top-2 ">
      {props.children || <span>&#10005;</span>}
    </button>
  );
};

type ContentProps = {
  children: ReactNode;
};
export const Content = ({ children }: ContentProps) => {
  return <>{children}</>;
};

type FooterProps = {
  children?: ReactNode;
};
export const Footer = ({ children }: FooterProps) => {
  const { onClose } = useContext(dialogContext);
  return (
    <>
      {children || (
        <button
          onClick={onClose}
          className="ml-auto block rounded-md bg-blue-500 px-4 py-2 text-white"
        >
          Cerrar
        </button>
      )}
    </>
  );
};

Dialog.CloseButton = CloseButton;
Dialog.Overlay = Overlay;
Dialog.Content = Content;
Dialog.Footer = Footer;

Agregando Title:
https://gist.github.com/enrique26/430e8868d08b46ddad831407b4825eef