Created
December 13, 2019 18:04
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addEventListener('fetch', event => { | |
event.passThroughOnException() | |
event.respondWith(handleRequest(event.request)) | |
}) | |
async function handleRequest(request) { | |
let url = new URL(request.url) | |
//strip out utm tags | |
var deleteKeys = [] | |
for(var key of url.searchParams.keys()) { | |
if(key.toLowerCase().startsWith('utm')){ | |
deleteKeys.push(key) | |
} | |
} | |
for(var key of deleteKeys){ | |
url.searchParams.delete(key); | |
} | |
let modifiedRequest = new Request(url, request) | |
return fetch(modifiedRequest) | |
} |
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