@ckeditor/ckeditor5-basic-styles/src/strikethrough/strikethroughediting.js

Basic styles feature for CKEditor 5.

/**
 * @license Copyright (c) 2003-2023, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
 */
/**
 * @module basic-styles/strikethrough/strikethroughediting
 */
import { Plugin } from 'ckeditor5/src/core';
import AttributeCommand from '../attributecommand';
const STRIKETHROUGH = 'strikethrough';
/**
 * The strikethrough editing feature.
 *
 * It registers the `'strikethrough'` command, the <kbd>Ctrl+Shift+X</kbd> keystroke and introduces the
 * `strikethroughsthrough` attribute in the model which renders to the view
 * as a `<s>` element.
 */
export default class StrikethroughEditing extends Plugin {
    /**
     * @inheritDoc
     */
    static get pluginName() {
        return 'StrikethroughEditing';
    }
    /**
     * @inheritDoc
     */
    init() {
        const editor = this.editor;
        // Allow strikethrough attribute on text nodes.
        editor.model.schema.extend('$text', { allowAttributes: STRIKETHROUGH });
        editor.model.schema.setAttributeProperties(STRIKETHROUGH, {
            isFormatting: true,
            copyOnEnter: true
        });
        editor.conversion.attributeToElement({
            model: STRIKETHROUGH,
            view: 's',
            upcastAlso: [
                'del',
                'strike',
                {
                    styles: {
                        'text-decoration': 'line-through'
                    }
                }
            ]
        });
        // Create strikethrough command.
        editor.commands.add(STRIKETHROUGH, new AttributeCommand(editor, STRIKETHROUGH));
        // Set the Ctrl+Shift+X keystroke.
        editor.keystrokes.set('CTRL+SHIFT+X', 'strikethrough');
    }
}