Created
March 6, 2020 17:17
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/** | |
* | |
* Detect Ad Blockers | |
* | |
* Copyright (c) 2020 Four And A Half Giraffes, Ltd. | |
* Permission is hereby granted, free of charge, to any person | |
* obtaining a copy of this software and associated documentation | |
* files (the "Software"), to deal in the Software without | |
* restriction, including without limitation the rights to use, | |
* copy, modify, merge, publish, distribute, sublicense, and/or sell | |
* copies of the Software, and to permit persons to whom the | |
* Software is furnished to do so, subject to the following | |
* conditions: | |
* | |
* The above copyright notice and this permission notice shall be | |
* included in all copies or substantial portions of the Software. | |
* | |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | |
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | |
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
* OTHER DEALINGS IN THE SOFTWARE. | |
*/ | |
import React, { useState, useEffect } from 'react'; | |
const noticeContentJSX = (cb) => { | |
return ( | |
<div id="adblock-notice"> | |
<div className="message"> | |
<h3>Hey, you!</h3> | |
<p>Your adblocker is on again.</p> | |
<button | |
onClick={cb} | |
> | |
Check for Adblocker again | |
</button> | |
</div> | |
</div> | |
); | |
} | |
const DetectAdBlock = () => { | |
const [adBlockDetected, setAdBlockDetected] = useState(false); | |
useEffect(() => { | |
const head = document.getElementsByTagName('head')[0]; | |
const noAdBlockDetected = () => { | |
setAdBlockDetected(false); | |
}; | |
const adBlockDetected = () => { | |
setAdBlockDetected(true); | |
}; | |
const oldScript = document.getElementById('adblock-detection'); | |
if (oldScript) { | |
head.removeChild(oldScript); | |
} | |
const script = document.createElement('script'); | |
script.id = 'adblock-detection'; | |
script.type = 'text/javascript'; | |
script.src = '/adframe.js'; // changed name of bait; seems ads.js was considered safe. | |
script.onload = noAdBlockDetected; | |
script.onerror = adBlockDetected; | |
head.appendChild(script); | |
}); | |
return ( | |
<div id="adblock-wrapper"> | |
{ | |
adBlockDetected | |
? noticeContentJSX(() => console.log('Detect again')) | |
: 'No adblocker here...' | |
} | |
</div> | |
); | |
} | |
export default DetectAdBlock; |
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