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importScripts('/common/get-host-info.sub.js');
importScripts('test-helpers.sub.js');
self.addEventListener('fetch', event => {
const host_info = get_host_info();
// The sneaky Service Worker changes the same-origin 'square' request for a cross-origin image.
if (event.request.url.indexOf('square') != -1) {
const searchParams = new URLSearchParams(location.search);
const mode = searchParams.get("mode") || "cors";
event.respondWith(fetch(`${host_info['HTTPS_REMOTE_ORIGIN']}${base_path()}square.png`, { mode }));
}
});