/**
 * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
 */

/**
 * @module utils/dom/isvisible
 */

/**
 * Checks whether the element is visible to the user in DOM:
 *
 * * connected to the root of the document,
 * * has no `display: none`,
 * * has no ancestors with `display: none`.
 *
 * **Note**: This helper does not check whether the element is hidden by cropping, overflow, etc..
 * To check that, use {@link module:utils/dom/rect~Rect} instead.
 *
 * @param {HTMLElement|null|undefined} element
 * @returns {Boolean}
 */
export default function isVisible( element ) {
	return !!( element && element.getClientRects && element.getClientRects().length );
}