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var name = "opaqueInterceptCache";
// Cross origin request to ensure that an opaque response is used
var testReady = new Promise(resolve => {
self.addEventListener(
"message",
m => {
resolve();
},
{ once: true }
);
});
self.addEventListener("install", function (event) {
var request = new Request(prefix + "notify_loaded.js", { mode: "no-cors" });
event.waitUntil(
Promise.all([caches.open(name), fetch(request), testReady]).then(function (
results
) {
var cache = results[0];
var response = results[1];
return cache.put("./sw_clients/does_not_exist.js", response);
})
);
});
self.addEventListener("fetch", function (event) {
event.respondWith(
caches
.open(name)
.then(function (cache) {
return cache.match(event.request);
})
.then(function (response) {
return response || fetch(event.request);
})
);
});