Rendering HTML Converted From Blocks

import "@blocknote/core/fonts/inter.css";
import "@blocknote/mantine/style.css";
import { useCreateBlockNote, usePrefersColorScheme } from "@blocknote/react";
import { useRef, useEffect } from "react";

export default function App() {
  // Creates a new editor instance.
  const editor = useCreateBlockNote({
    initialContent: [
      {
        type: "paragraph",
        content: "Welcome to this demo!",
      },
      {
        type: "paragraph",
      },
      {
        type: "paragraph",
        content: [
          {
            type: "text",
            text: "Blocks:",
            styles: { bold: true },
          },
        ],
      },
      {
        type: "paragraph",
        content: "Paragraph",
      },
      {
        type: "heading",
        content: "Heading",
      },
      {
        id: "toggle-heading",
        type: "heading",
        props: { isToggleable: true },
        content: "Toggle Heading",
      },
      {
        type: "quote",
        content: "Quote",
      },
      {
        type: "bulletListItem",
        content: "Bullet List Item",
      },
      {
        type: "numberedListItem",
        content: "Numbered List Item",
      },
      {
        type: "checkListItem",
        content: "Check List Item",
      },
      {
        id: "toggle-list-item",
        type: "toggleListItem",
        content: "Toggle List Item",
      },
      {
        type: "codeBlock",
        props: { language: "javascript" },
        content: "console.log('Hello, world!');",
      },
      {
        type: "table",
        content: {
          type: "tableContent",
          rows: [
            {
              cells: ["Table Cell", "Table Cell", "Table Cell"],
            },
            {
              cells: ["Table Cell", "Table Cell", "Table Cell"],
            },
            {
              cells: ["Table Cell", "Table Cell", "Table Cell"],
            },
          ],
        },
      },
      {
        type: "file",
      },
      {
        type: "image",
        props: {
          url: "https://interactive-examples.mdn.mozilla.net/media/cc0-images/grapefruit-slice-332-332.jpg",
          caption:
            "From https://interactive-examples.mdn.mozilla.net/media/cc0-images/grapefruit-slice-332-332.jpg",
        },
      },
      {
        type: "video",
        props: {
          url: "https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.webm",
          caption:
            "From https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.webm",
        },
      },
      {
        type: "audio",
        props: {
          url: "https://interactive-examples.mdn.mozilla.net/media/cc0-audio/t-rex-roar.mp3",
          caption:
            "From https://interactive-examples.mdn.mozilla.net/media/cc0-audio/t-rex-roar.mp3",
        },
      },
      {
        type: "paragraph",
      },
      {
        type: "paragraph",
        content: [
          {
            type: "text",
            text: "Inline Content:",
            styles: { bold: true },
          },
        ],
      },
      {
        type: "paragraph",
        content: [
          {
            type: "text",
            text: "Styled Text",
            styles: {
              bold: true,
              italic: true,
              textColor: "red",
              backgroundColor: "blue",
            },
          },
          {
            type: "text",
            text: " ",
            styles: {},
          },
          {
            type: "link",
            content: "Link",
            href: "https://www.blocknotejs.org",
          },
        ],
      },
      {
        type: "paragraph",
      },
    ],
  });

  const ref = useRef<HTMLDivElement>(null);
  const systemColorScheme = usePrefersColorScheme();
  const theme =
    systemColorScheme === "no-preference" ? "light" : systemColorScheme;

  // Updates rendered static HTML with initial editor content.
  useEffect(() => {
    if (ref.current) {
      ref.current.innerHTML = editor.blocksToFullHTML(editor.document);
    }
  }, []);

  // Renders the editor instance using a React component.
  return (
    <div
      className="bn-container bn-mantine"
      data-color-scheme={theme}
      data-mantine-color-scheme={theme}
    >
      <div className="ProseMirror bn-editor bn-default-styles" ref={ref} />
    </div>
  );
}