@ckeditor/ckeditor5-paste-from-office/src/filters/table.js

Paste from Office feature for CKEditor 5.

/**
 * @license Copyright (c) 2003-2025, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
 */
import { convertCssLengthToPx } from './utils.js';
/**
 * Applies border none for table and cells without a border specified.
 * Normalizes style length units to px.
 */
export default function transformTables(documentFragment, writer) {
    for (const item of writer.createRangeIn(documentFragment).getItems()) {
        if (!item.is('element', 'table') &&
            !item.is('element', 'td') &&
            !item.is('element', 'th')) {
            continue;
        }
        const sides = ['left', 'top', 'right', 'bottom'];
        // As this is a pasted table, we do not want default table styles to apply here
        // so we set border node for sides that does not have any border style.
        // It is enough to verify border style as border color and border width properties have default values in DOM.
        if (sides.every(side => !item.hasStyle(`border-${side}-style`))) {
            writer.setStyle('border-style', 'none', item);
        }
        else {
            for (const side of sides) {
                if (!item.hasStyle(`border-${side}-style`)) {
                    writer.setStyle(`border-${side}-style`, 'none', item);
                }
            }
        }
        // Translate style length units to px.
        const props = [
            'width',
            'height',
            ...sides.map(side => `border-${side}-width`),
            ...sides.map(side => `padding-${side}`)
        ];
        for (const prop of props) {
            if (item.hasStyle(prop)) {
                writer.setStyle(prop, convertCssLengthToPx(item.getStyle(prop)), item);
            }
        }
    }
}