remove_cloudflare_apps_script.js

/*
* a cloudflare worker to remove the script tag they inject into the head if you have a cloudflare app installed.
* WARNING: some apps may not work if you remove this script tag!!! But things like logflare that add no js of
* their own should be fine.
*/

addEventListener('fetch', event => {
    const request = event.request
    event.respondWith(handleRequest(request))
});


async function handleRequest(request) {
    const url = new URL(request.url);
    let oldResponse = await fetch(url.toString(), request)
   
    let newResponse = new HTMLRewriter()
        .on("script[src*='/cdn-cgi/apps/head/']", new removeScript())
        .transform(oldResponse)
    return newResponse

}

class removeScript {
    element(element) {
        element.remove();
    }
}