14 lines
1003 B
JavaScript
14 lines
1003 B
JavaScript
/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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import{BroadcastMessage as n}from"@typo3/backend/broadcast-message.js";import{MessageUtility as a}from"@typo3/backend/utility/message-utility.js";class s{constructor(){this.channel=new BroadcastChannel("typo3")}get isListening(){return typeof this.channel.onmessage=="function"}static onMessage(e){if(!a.verifyOrigin(e.origin))throw"Denied message sent by "+e.origin;const t=n.fromData(e.data);document.dispatchEvent(t.createCustomEvent("typo3"))}listen(){this.isListening||(this.channel.onmessage=s.onMessage)}post(e){this.channel.postMessage(e)}}var i=new s;export{i as default};
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