/********************************************************************************
 * Copyright (C) 2018 TypeFox and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/

import * as React from 'react';
import { createRoot } from 'react-dom/client';
// import * as ReactDOM from 'react-dom';
import { Disposable } from '@gedit/utils';

export class ReactRenderer implements Disposable {
  readonly host: HTMLElement;

  readonly root: ReturnType<typeof createRoot>;

  constructor(
    host?: HTMLElement
  ) {
    this.host = host || document.createElement('div');
    this.root = createRoot(this.host);
  }

  dispose(): void {
    this.root.unmount();
  }

  render(): void {
    this.root.render(<React.Fragment>{this.doRender()}</React.Fragment>);
  }

  protected doRender(): React.ReactNode {
    return undefined;
  }
}