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- /**
- * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /**
- * @module utils/dom/getborderwidths
- */
- /**
- * Returns an object containing CSS border widths of a specified HTML element.
- *
- * @param {HTMLElement} element An element which has CSS borders.
- * @param {Object} An object containing `top`, `left`, `right` and `bottom` properties
- * with numerical values of the `border-[top,left,right,bottom]-width` CSS styles.
- */
- export default function getBorderWidths( element ) {
- // Call getComputedStyle on the window the element document belongs to.
- const style = element.ownerDocument.defaultView.getComputedStyle( element );
- return {
- top: parseInt( style.borderTopWidth, 10 ),
- right: parseInt( style.borderRightWidth, 10 ),
- bottom: parseInt( style.borderBottomWidth, 10 ),
- left: parseInt( style.borderLeftWidth, 10 )
- };
- }
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