xref: /third_party/jsframework/runtime/vdom/Comment.ts

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import Node from './Node';

/**
 * Comment Node of vdom, which is used as separator between blocks.
 * @extends Node
 */
class Comment extends Node {
  private _content: string;

  constructor(content) {
    super();
    this._nodeType = Node.NodeType.Comment;
    this._type = 'comment';
    this._content = content;
  }

  /**
  * Convert to HML comment string.
  * @return {string} HML string.
  */
  public toString() {
    return `<!-- ${this._content} -->`;
  }
}

export default Comment;