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self.addEventListener("install", function () {
self.skipWaiting();
});
self.addEventListener("activate", function (event) {
event.waitUntil(self.clients.claim());
});
// Nothing on the server answers "probe", so a body of "sw" proves the request
// reached this handler rather than the network or the HTTP cache.
self.addEventListener("fetch", function (event) {
if (new URL(event.request.url).pathname.endsWith("/probe")) {
event.respondWith(new Response("sw"));
}
});