/** * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ /* globals ClassicEditor, console, window, document */ import { CS_CONFIG } from '@ckeditor/ckeditor5-cloud-services/tests/_utils/cloud-services-config'; function AddClassToAllHeading1( editor ) { editor.conversion.for( 'downcast' ).add( dispatcher => { dispatcher.on( 'insert:heading1', ( evt, data, conversionApi ) => { const viewWriter = conversionApi.writer; viewWriter.addClass( 'my-heading', conversionApi.mapper.toViewElement( data.item ) ); }, { priority: 'low' } ); } ); } ClassicEditor .create( document.querySelector( '#snippet-heading-class' ), { cloudServices: CS_CONFIG, extraPlugins: [ AddClassToAllHeading1 ], toolbar: { viewportTopOffset: window.getViewportTopOffsetConfig() } } ) .then( editor => { window.editor = editor; } ) .catch( err => { console.error( err.stack ); } );