Function CodeBlockCode

src/components/ui/code-block.tsx:34–70

({
  code,
  language = "tsx",
  theme = "github-light",
  className,
  ...props
}: CodeBlockCodeProps)

} & React.HTMLProps<HTMLDivElement>;

function CodeBlockCode({
  code,
  language = "tsx",
  theme = "github-light",
  className,
  ...props
}: CodeBlockCodeProps) {
  const [highlightedHtml, setHighlightedHtml] = useState<string | null>(null);

  useEffect(() => {
    async function highlight() {
      const html = await codeToHtml(code, { lang: language, theme });
      setHighlightedHtml(html);
    }
    highlight();
  }, [code, language, theme]);

  const classNames = cn(
    "w-full overflow-x-auto text-[13px] [&>pre]:px-4 [&>pre]:py-4",
    className
  );

  // SSR fallback: render plain code if not hydrated yet
  return highlightedHtml ? (
    <div
      className={classNames}
      dangerouslySetInnerHTML={{ __html: highlightedHtml }}
      {...props}
    />
  ) : (
    <div className={classNames} {...props}>
      <pre>
        <code>{code}</code>
      </pre>
    </div>
  );
}

export type CodeBlockGroupProps = React.HTMLAttributes<HTMLDivElement>;