@accordproject/markdown-html/lib/HtmlTransformer.js

/*
 * Licensed 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.
 */
'use strict';

const ToHtmlStringVisitor = require('./ToHtmlStringVisitor');

const ToCiceroMarkVisitor = require('./ToCiceroMarkVisitor');

const CiceroMarkTransformer = require('@accordproject/markdown-cicero').CiceroMarkTransformer;
/**
 * Converts a CiceroMark or CommonMark DOM to HTML
 */


class HtmlTransformer {
  /**
   * Construct the parser.
   * @param {object} [options] configuration options
   */
  constructor() {
    let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    this.options = options;
    this.ciceroMarkTransformer = new CiceroMarkTransformer();
  }
  /**
   * Converts a CiceroMark DOM to an html string
   * @param {*} input - CiceroMark DOM object
   * @returns {string} the html string
   */


  toHtml(input) {
    if (!input.getType) {
      input = this.ciceroMarkTransformer.getSerializer().fromJSON(input);
    }

    const parameters = {};
    parameters.result = '';
    parameters.first = true;
    parameters.indent = 0;
    const visitor = new ToHtmlStringVisitor(this.options);
    input.accept(visitor, parameters);
    return parameters.result.trim();
  }
  /**
   * Converts an html string to a CiceroMark DOM
   * @param {string} input - html string
   * @param {string} [format] result format, defaults to 'concerto'. Pass
   * 'json' to return the JSON data.
   * @returns {*} CiceroMark DOM
   */


  toCiceroMark(input) {
    let format = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'concerto';
    const visitor = new ToCiceroMarkVisitor(this.options);
    return visitor.toCiceroMark(input, format);
  }

}

module.exports = HtmlTransformer;