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- /**
- * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
- /**
- * @module engine/conversion/conversionhelpers
- */
- /**
- * Base class for conversion helpers.
- */
- export default class ConversionHelpers {
- /**
- * Creates a conversion helpers instance.
- *
- * @param {Array.<module:engine/conversion/downcastdispatcher~DowncastDispatcher|
- * module:engine/conversion/upcastdispatcher~UpcastDispatcher>} dispatchers
- */
- constructor( dispatchers ) {
- this._dispatchers = dispatchers;
- }
- /**
- * Registers a conversion helper.
- *
- * **Note**: See full usage example in the `{@link module:engine/conversion/conversion~Conversion#for conversion.for()}`
- * method description.
- *
- * @param {Function} conversionHelper The function to be called on event.
- * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers|module:engine/conversion/upcasthelpers~UpcastHelpers}
- */
- add( conversionHelper ) {
- for ( const dispatcher of this._dispatchers ) {
- conversionHelper( dispatcher );
- }
- return this;
- }
- }
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