META-INF.resources.js.utils.cleanCriteria.ts Maven / Gradle / Ivy

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/**
 * SPDX-FileCopyrightText: (c) 2000 Liferay, Inc. https://liferay.com
 * SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
 */

import {Criteria, CriteriaItem} from '../../types/Criteria';

/**
 * Go through the entire criteria, remove empty groups and
 * change groups with only one child to simple items
 */

export default function cleanCriteria(
	criteria: Criteria | CriteriaItem,
	isRoot: boolean = true
): Criteria | CriteriaItem | null {
	if (!('groupId' in criteria)) {
		return criteria;
	}

	if (isRoot && !criteria.items.length) {
		return null;
	}

	if (criteria.items.length === 1) {
		const [child] = criteria.items;

		if (!isRoot || 'groupId' in child) {
			return cleanCriteria(child);
		}
	}

	return {
		...criteria,
		items: criteria.items
			.filter((item) => !('groupId' in item) || !!item.items.length)
			.map(
				(item) => cleanCriteria(item, false) as Criteria | CriteriaItem
			),
	};
}