jarv.is/components/Figure/Figure.tsx

import Image from "../Image/Image";
import innerText from "react-innertext";
import { styled } from "../../lib/styles/stitches.config";
import type { PropsWithChildren } from "react";
import type { ImageProps as NextImageProps } from "next/image";

const Wrapper = styled("figure", {
  margin: "1em auto",
  textAlign: "center",
});

const Caption = styled("figcaption", {
  fontSize: "0.9em",
  lineHeight: 1.5,
  color: "$medium",
  marginTop: "-0.4em",

  /* some figcaptions contain paragraphs, some don't, so reset all of them */
  "& p": {
    margin: "0 !important",
  },
});

export type FigureProps = Omit<NextImageProps, "alt"> &
  PropsWithChildren<{
    alt?: string; // becomes optional -- pulled from plaintext-ified caption if missing
  }>;

const Figure = ({ children, alt, className, ...imageProps }: FigureProps) => {
  return (
    <Wrapper className={className}>
      <Image alt={alt || innerText(children)} {...imageProps} />
      <Caption>{children}</Caption>
    </Wrapper>
  );
};

export default Figure;