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/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
import $ from"jquery";class ConsumerScope{constructor(){this.consumers=[]}getConsumers(){return this.consumers}hasConsumer(s){return this.consumers.includes(s)}attach(s){this.hasConsumer(s)||this.consumers.push(s)}detach(s){this.consumers=this.consumers.filter((e=>e!==s))}invoke(s){const e=[];return this.consumers.forEach((r=>{const o=r.consume.call(r,s);o&&e.push(o)})),$.when.apply($,e)}}export default new ConsumerScope;