frontend/src/components/Markdown.tsx


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import { Focusable, Navigation } from '@decky/ui';
import { FunctionComponent, useRef } from 'react';
import ReactMarkdown, { Options as ReactMarkdownOptions } from 'react-markdown';
import remarkGfm from 'remark-gfm';

interface MarkdownProps extends ReactMarkdownOptions {
  onDismiss?: () => void;
}

const Markdown: FunctionComponent<MarkdownProps> = (props) => {
  return (
    <Focusable>
      <ReactMarkdown
        remarkPlugins={[remarkGfm]}
        components={{
          div: (nodeProps: any) => <Focusable {...nodeProps.node.properties}>{nodeProps.children}</Focusable>,
          a: (nodeProps: any) => {
            const aRef = useRef<HTMLAnchorElement>(null);
            return (
              // TODO fix focus ring
              <Focusable
                onActivate={() => {}}
                onOKButton={() => {
                  props.onDismiss?.();
                  Navigation.NavigateToExternalWeb(aRef.current!.href);
                }}
                style={{ display: 'inline' }}
              >
                <a ref={aRef} {...nodeProps.node.properties}>
                  {nodeProps.children}
                </a>
              </Focusable>
            );
          },
        }}
        {...props}
      />
    </Focusable>
  );
};

export default Markdown;