1/* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 20import Node from './Node'; 21 22/** 23 * Comment Node of vdom, which is used as separator between blocks. 24 * @extends Node 25 */ 26class Comment extends Node { 27 private _content: string; 28 29 constructor(content) { 30 super(); 31 this._nodeType = Node.NodeType.Comment; 32 this._type = 'comment'; 33 this._content = content; 34 } 35 36 /** 37 * Convert to HML comment string. 38 * @return {string} HML string. 39 */ 40 public toString() { 41 return `<!-- ${this._content} -->`; 42 } 43} 44 45export default Comment; 46