ckeditor/ckeditor5-basic-styles

/**
 * @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 basic-styles/code/codeediting
 */

import Plugin from '@ckeditor/ckeditor5-core/src/plugin';
import AttributeCommand from '../attributecommand';

const CODE = 'code';

/**
 * The code editing feature.
 *
 * It registers the `'code'` command and introduces the `code` attribute in the model which renders to the view
 * as a `<code>` element.
 *
 * @extends module:core/plugin~Plugin
 */
export default class CodeEditing extends Plugin {
    /**
     * @inheritDoc
     */
    static get pluginName() {
        return 'CodeEditing';
    }

    /**
     * @inheritDoc
     */
    init() {
        const editor = this.editor;

        // Allow code attribute on text nodes.
        editor.model.schema.extend( '$text', { allowAttributes: CODE } );
        editor.model.schema.setAttributeProperties( CODE, {
            isFormatting: true,
            copyOnEnter: true
        } );

        editor.conversion.attributeToElement( {
            model: CODE,
            view: 'code',
            upcastAlso: {
                styles: {
                    'word-wrap': 'break-word'
                }
            }
        } );

        // Create code command.
        editor.commands.add( CODE, new AttributeCommand( editor, CODE ) );
    }
}