var name = "browserRefresherCache"; self.addEventListener("install", function (event) { event.waitUntil( Promise.all([ caches.open(name), fetch("./browser_cached_force_refresh.html"), ]).then(function (results) { var cache = results[0]; var response = results[1]; return cache.put("./browser_base_force_refresh.html", 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); }) ); }); self.addEventListener("message", function (event) { if (event.data.type === "GET_UNCONTROLLED_CLIENTS") { event.waitUntil( clients .matchAll({ includeUncontrolled: true }) .then(function (clientList) { var resultList = clientList.map(function (c) { return { url: c.url, frameType: c.frameType }; }); event.source.postMessage({ type: "CLIENTS", detail: resultList }); }) ); } });