docmost/client/src/features/comment/components/comment-editor.tsx

import { EditorContent, useEditor } from '@tiptap/react';
import { Placeholder } from '@tiptap/extension-placeholder';
import { Underline } from '@tiptap/extension-underline';
import { Link } from '@tiptap/extension-link';
import { StarterKit } from '@tiptap/starter-kit';
import React from 'react';
import classes from './comment.module.css';
import { useFocusWithin } from '@mantine/hooks';
import clsx from 'clsx';

interface CommentEditorProps {
  defaultContent?: any;
  onUpdate?: any;
  editable: boolean;
  placeholder?: string;
  autofocus?: boolean;
}

function CommentEditor({ defaultContent, onUpdate, editable, placeholder, autofocus }: CommentEditorProps) {
  const { ref: focusRef, focused } = useFocusWithin();

  const commentEditor = useEditor({
    extensions: [
      StarterKit.configure({
        gapcursor: false,
        dropcursor: false,
      }),
      Placeholder.configure({
        placeholder: placeholder || 'Reply...',
      }),
      Underline,
      Link,
    ],
    onUpdate({ editor }) {
      if (onUpdate) onUpdate(editor.getJSON());
    },
    content: defaultContent,
    editable,
    autofocus: (autofocus && 'end') || false,
  });

  return (
    <div ref={focusRef} className={classes.commentEditor}>
      <EditorContent editor={commentEditor}
                     className={clsx(classes.ProseMirror, { [classes.focused]: focused })}
      />
    </div>
  );

}

export default CommentEditor;