Created
April 22, 2020 10:42
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| const sleep = ms => new Promise(resolve => setTimeout(resolve, ms)) | |
| // Modified from https://github.com/wmcmurray/just-detect-adblock | |
| // Detects: uBlock, Adblock, Adblock Plus, AdBlocker Ultimate, Ghostery, | |
| export async function isAdblockDetected () { | |
| let detected = false | |
| // create the bait | |
| const bait = document.createElement('div') | |
| bait.setAttribute('class', `pub_300x250 pub_300x250m pub_728x90 text-ad | |
| textAd text_ad text_ads text-ads text-ad-links`) | |
| bait.setAttribute('style', `width: 1px ! important; height: 1px !important; | |
| position: absolute !important; left: -10000px !important; | |
| top: -1000px !important;`) | |
| document.body.appendChild(bait) | |
| // Give time for extensions to block. | |
| await sleep(100) | |
| // Check if the bait has been affected by an adblocker. | |
| if (window.document.body.getAttribute('abp') !== null || | |
| bait.offsetParent === null || | |
| bait.offsetHeight === 0 || | |
| bait.offsetLeft === 0 || | |
| bait.offsetTop === 0 || | |
| bait.offsetWidth === 0 || | |
| bait.clientHeight === 0 || | |
| bait.clientWidth === 0) { | |
| detected = true | |
| } else if (window.getComputedStyle !== undefined) { | |
| const baitTemp = window.getComputedStyle(bait, null) | |
| if (baitTemp && (baitTemp.getPropertyValue('display') === 'none' || | |
| baitTemp.getPropertyValue('visibility') === 'hidden')) { | |
| detected = true | |
| } | |
| } | |
| // Destroy the bait. | |
| document.body.removeChild(bait) | |
| return detected | |
| } |
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