var cacheName = "tramex"; var filesToCache = ["./", "./index.html", "./tramex.js", "./tramex_bg.wasm"]; /* Start the service worker and cache all of the app's content */ self.addEventListener("install", function (e) { e.waitUntil( caches.open(cacheName).then(function (cache) { return cache.addAll(filesToCache); }) ); }); /* Serve cached content when offline */ self.addEventListener("fetch", function (e) { e.respondWith( caches.match(e.request).then(function (response) { return response || fetch(e.request); }) ); });