@ckeditor/ckeditor5-paste-from-office/src/normalizers/mswordnormalizer.js

Paste from Office 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 paste-from-office/normalizers/mswordnormalizer
 */
import { transformListItemLikeElementsIntoLists } from '../filters/list';
import { replaceImagesSourceWithBase64 } from '../filters/image';
const msWordMatch1 = /<meta\s*name="?generator"?\s*content="?microsoft\s*word\s*\d+"?\/?>/i;
const msWordMatch2 = /xmlns:o="urn:schemas-microsoft-com/i;
/**
 * Normalizer for the content pasted from Microsoft Word.
 */
export default class MSWordNormalizer {
    /**
     * Creates a new `MSWordNormalizer` instance.
     *
     * @param document View document.
     */
    constructor(document) {
        this.document = document;
    }
    /**
     * @inheritDoc
     */
    isActive(htmlString) {
        return msWordMatch1.test(htmlString) || msWordMatch2.test(htmlString);
    }
    /**
     * @inheritDoc
     */
    execute(data) {
        const { body: documentFragment, stylesString } = data._parsedData;
        transformListItemLikeElementsIntoLists(documentFragment, stylesString);
        replaceImagesSourceWithBase64(documentFragment, data.dataTransfer.getData('text/rtf'));
        data.content = documentFragment;
    }
}