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- /**
- * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
- /**
- * @module markdown-gfm/gfmdataprocessor
- */
- import marked from './lib/marked/marked';
- import toMarkdown from './lib/to-markdown/to-markdown';
- import HtmlDataProcessor from '@ckeditor/ckeditor5-engine/src/dataprocessor/htmldataprocessor';
- import GFMRenderer from './lib/marked/renderer';
- import converters from './lib/to-markdown/converters';
- /**
- * This data processor implementation uses GitHub Flavored Markdown as input/output data.
- *
- * See the {@glink features/markdown Markdown output} guide to learn more on how to enable it.
- *
- * @implements module:engine/dataprocessor/dataprocessor~DataProcessor
- */
- export default class GFMDataProcessor {
- /**
- * Creates a new instance of the Markdown data processor class.
- *
- * @param {module:engine/view/document~Document} document
- */
- constructor( document ) {
- /**
- * HTML data processor used to process HTML produced by the Markdown-to-HTML converter and the other way.
- *
- * @private
- * @member {module:engine/dataprocessor/htmldataprocessor~HtmlDataProcessor}
- */
- this._htmlDP = new HtmlDataProcessor( document );
- }
- /**
- * Converts the provided Markdown string to view tree.
- *
- * @param {String} data A Markdown string.
- * @returns {module:engine/view/documentfragment~DocumentFragment} The converted view element.
- */
- toView( data ) {
- const html = marked.parse( data, {
- gfm: true,
- breaks: true,
- tables: true,
- xhtml: true,
- renderer: new GFMRenderer()
- } );
- return this._htmlDP.toView( html );
- }
- /**
- * Converts the provided {@link module:engine/view/documentfragment~DocumentFragment} to data format — in this
- * case to a Markdown string.
- *
- * @param {module:engine/view/documentfragment~DocumentFragment} viewFragment
- * @returns {String} Markdown string.
- */
- toData( viewFragment ) {
- const html = this._htmlDP.toData( viewFragment );
- return toMarkdown( html, { gfm: true, converters } );
- }
- }
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