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addEventListener("install", function (evt) {
evt.waitUntil(self.skipWaiting());
});
addEventListener("activate", function (evt) {
// We claim the current clients in order to ensure that we have an
// active client when we call unregister in the fetch handler. Otherwise
// the unregister() can kill the current worker before returning a
// response.
evt.waitUntil(clients.claim());
});
addEventListener("fetch", function (evt) {
// This worker may live long enough to receive a fetch event from the next
// test. Just pass such requests through to the network.
if (!evt.request.url.includes("fake_download")) {
return;
}
// We should only get a single download fetch event. Automatically unregister.
evt.respondWith(
registration.unregister().then(function () {
return new Response("service worker generated download", {
headers: {
"Content-Disposition": 'attachment; filename="fake_download.bin"',
// Prevent the default text editor from being launched
"Content-Type": "application/octet-stream",
// fake encoding header that should have no effect
"Content-Encoding": "gzip",
},
});
})
);
});