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- /**
- * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /**
- * @module image/utils
- */
- import { widgetize, isWidget } from './widget/utils';
- import ModelElement from '@ckeditor/ckeditor5-engine/src/model/element';
- const imageSymbol = Symbol( 'isImage' );
- /**
- * Converts given {@link module:engine/view/element~Element} to image widget:
- * * adds {@link module:engine/view/element~Element#setCustomProperty custom property} allowing to recognize image widget element,
- * * calls {@link module:image/widget/utils~widgetize widgetize}.
- *
- * @param {module:engine/view/element~Element} viewElement
- * @returns {module:engine/view/element~Element}
- */
- export function toImageWidget( viewElement ) {
- viewElement.setCustomProperty( imageSymbol, true );
- return widgetize( viewElement );
- }
- /**
- * Checks if given view element is an image widget.
- *
- * @param {module:engine/view/element~Element} viewElement
- * @returns {Boolean}
- */
- export function isImageWidget( viewElement ) {
- return !!viewElement.getCustomProperty( imageSymbol ) && isWidget( viewElement );
- }
- /**
- * Checks if provided modelElement is an instance of {@link module:engine/model/element~Element Element} and its name
- * is `image`.
- *
- * @param {module:engine/model/element~Element} modelElement
- * @returns {Boolean}
- */
- export function isImage( modelElement ) {
- return modelElement instanceof ModelElement && modelElement.name == 'image';
- }
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