memind/src/components/MindSpaceModal.tsx

import { useEffect, type ReactNode } from 'react';
import { createPortal } from 'react-dom';

export function MindSpaceModal({
  open,
  onClose,
  title,
  eyebrow,
  children,
  className,
  disableClose = false,
}: {
  open: boolean;
  onClose: () => void;
  title: string;
  eyebrow?: string;
  children: ReactNode;
  className?: string;
  disableClose?: boolean;
}) {
  useEffect(() => {
    if (!open) return undefined;
    const onKeyDown = (event: KeyboardEvent) => {
      if (event.key === 'Escape' && !disableClose) onClose();
    };
    const previousOverflow = document.body.style.overflow;
    document.body.style.overflow = 'hidden';
    window.addEventListener('keydown', onKeyDown);
    return () => {
      document.body.style.overflow = previousOverflow;
      window.removeEventListener('keydown', onKeyDown);
    };
  }, [open, onClose, disableClose]);

  if (!open) return null;

  return createPortal(
    <div
      className="mindspace-upload-backdrop"
      role="presentation"
      onClick={disableClose ? undefined : onClose}
    >
      <section
        className={`mindspace-upload-dialog${className ? ` ${className}` : ''}`}
        role="dialog"
        aria-modal="true"
        aria-labelledby="mindspace-modal-title"
        onClick={(event) => event.stopPropagation()}
      >
        <div className="mindspace-upload-dialog-bar">
          <div>
            {eyebrow ? <p className="mindspace-eyebrow">{eyebrow}</p> : null}
            <h3 id="mindspace-modal-title">{title}</h3>
          </div>
          <button
            type="button"
            className="mindspace-upload-dialog-close"
            onClick={onClose}
            disabled={disableClose}
          >
            关闭
          </button>
        </div>
        {children}
      </section>
    </div>,
    document.body,
  );
}