'use strict'; const MANIFEST = 'flutter-app-manifest'; const TEMP = 'flutter-temp-cache'; const CACHE_NAME = 'flutter-app-cache'; const RESOURCES = {"flutter_bootstrap.js": "469cc1d59df68a1b3445a309825b04f9", "version.json": "68a2c34273facd8746fcbed8e55f2cde", "index.html": "69e575b74f43e863d7f8f52df5d1e44e", "/": "69e575b74f43e863d7f8f52df5d1e44e", "main.dart.js": "953983983c12bbd0e29a1bdc3d8b7cf6", "flutter.js": "76f08d47ff9f5715220992f993002504", "favicon.png": "5dcef449791fa27946b3d35ad8803796", "icons/Icon-192.png": "ac9a721a12bbc803b44f645561ecb1e1", "icons/Icon-maskable-192.png": "c457ef57daa1d16f64b27b786ec2ea3c", "icons/Icon-maskable-512.png": "301a7604d45b3e739efc881eb04896ea", "icons/Icon-512.png": "96e752610906ba2a93c65f8abe1645f1", "manifest.json": "cfbf0d22783be7ed41922d90aa01f2fa", "assets/AssetManifest.json": "70c145777b7956eeb9b24e00d6b0cc8b", "assets/NOTICES": "4acbff2d4e2a38ecb315769b32809709", "assets/FontManifest.json": "dc3d03800ccca4601324923c0b1d6d57", "assets/AssetManifest.bin.json": "e16f9a6c08b2c78fad2a2258ccfed684", "assets/packages/cupertino_icons/assets/CupertinoIcons.ttf": "b93248a553f9e8bc17f1065929d5934b", "assets/shaders/ink_sparkle.frag": "ecc85a2e95f5e9f53123dcaf8cb9b6ce", "assets/AssetManifest.bin": "2541e1c974f653f4e8a2e89701968e20", "assets/fonts/MaterialIcons-Regular.otf": "e7069dfd19b331be16bed984668fe080", "assets/assets/flags/en.png": "2809724958f27fd9458767407d8fda4c", "assets/assets/flags/fr.png": "98ed847d113e4f1899819db4904e9a3b", "assets/assets/flags/de.png": "9d5e371664c5262ba186790ab1b50008", "assets/assets/backgrounds/Service.jpg": "a23942d327d97ef09eff185edef8a7dc", "assets/assets/backgrounds/Speziell.jpg": "0d28117efe3580e5ab3e126983a8b099", "assets/assets/backgrounds/Ambiente.jpg": "7a803ff59921926f982055da06a652f1", "assets/assets/backgrounds/Anmerkungen.jpg": "e568c0fd7bde23c523ca28a4e657fae0", "assets/assets/backgrounds/Essen.jpg": "ccee347c345e48b3b54ae1878e68ddb1", "canvaskit/skwasm_st.js": "d1326ceef381ad382ab492ba5d96f04d", "canvaskit/skwasm.js": "f2ad9363618c5f62e813740099a80e63", "canvaskit/skwasm.js.symbols": "80806576fa1056b43dd6d0b445b4b6f7", "canvaskit/canvaskit.js.symbols": "68eb703b9a609baef8ee0e413b442f33", "canvaskit/skwasm.wasm": "f0dfd99007f989368db17c9abeed5a49", "canvaskit/chromium/canvaskit.js.symbols": "5a23598a2a8efd18ec3b60de5d28af8f", "canvaskit/chromium/canvaskit.js": "34beda9f39eb7d992d46125ca868dc61", "canvaskit/chromium/canvaskit.wasm": "64a386c87532ae52ae041d18a32a3635", "canvaskit/skwasm_st.js.symbols": "c7e7aac7cd8b612defd62b43e3050bdd", "canvaskit/canvaskit.js": "86e461cf471c1640fd2b461ece4589df", "canvaskit/canvaskit.wasm": "efeeba7dcc952dae57870d4df3111fad", "canvaskit/skwasm_st.wasm": "56c3973560dfcbf28ce47cebe40f3206"}; // The application shell files that are downloaded before a service worker can // start. const CORE = ["main.dart.js", "index.html", "flutter_bootstrap.js", "assets/AssetManifest.bin.json", "assets/FontManifest.json"]; // During install, the TEMP cache is populated with the application shell files. self.addEventListener("install", (event) => { self.skipWaiting(); return event.waitUntil( caches.open(TEMP).then((cache) => { return cache.addAll( CORE.map((value) => new Request(value, {'cache': 'reload'}))); }) ); }); // During activate, the cache is populated with the temp files downloaded in // install. If this service worker is upgrading from one with a saved // MANIFEST, then use this to retain unchanged resource files. self.addEventListener("activate", function(event) { return event.waitUntil(async function() { try { var contentCache = await caches.open(CACHE_NAME); var tempCache = await caches.open(TEMP); var manifestCache = await caches.open(MANIFEST); var manifest = await manifestCache.match('manifest'); // When there is no prior manifest, clear the entire cache. if (!manifest) { await caches.delete(CACHE_NAME); contentCache = await caches.open(CACHE_NAME); for (var request of await tempCache.keys()) { var response = await tempCache.match(request); await contentCache.put(request, response); } await caches.delete(TEMP); // Save the manifest to make future upgrades efficient. await manifestCache.put('manifest', new Response(JSON.stringify(RESOURCES))); // Claim client to enable caching on first launch self.clients.claim(); return; } var oldManifest = await manifest.json(); var origin = self.location.origin; for (var request of await contentCache.keys()) { var key = request.url.substring(origin.length + 1); if (key == "") { key = "/"; } // If a resource from the old manifest is not in the new cache, or if // the MD5 sum has changed, delete it. Otherwise the resource is left // in the cache and can be reused by the new service worker. if (!RESOURCES[key] || RESOURCES[key] != oldManifest[key]) { await contentCache.delete(request); } } // Populate the cache with the app shell TEMP files, potentially overwriting // cache files preserved above. for (var request of await tempCache.keys()) { var response = await tempCache.match(request); await contentCache.put(request, response); } await caches.delete(TEMP); // Save the manifest to make future upgrades efficient. await manifestCache.put('manifest', new Response(JSON.stringify(RESOURCES))); // Claim client to enable caching on first launch self.clients.claim(); return; } catch (err) { // On an unhandled exception the state of the cache cannot be guaranteed. console.error('Failed to upgrade service worker: ' + err); await caches.delete(CACHE_NAME); await caches.delete(TEMP); await caches.delete(MANIFEST); } }()); }); // The fetch handler redirects requests for RESOURCE files to the service // worker cache. self.addEventListener("fetch", (event) => { if (event.request.method !== 'GET') { return; } var origin = self.location.origin; var key = event.request.url.substring(origin.length + 1); // Redirect URLs to the index.html if (key.indexOf('?v=') != -1) { key = key.split('?v=')[0]; } if (event.request.url == origin || event.request.url.startsWith(origin + '/#') || key == '') { key = '/'; } // If the URL is not the RESOURCE list then return to signal that the // browser should take over. if (!RESOURCES[key]) { return; } // If the URL is the index.html, perform an online-first request. if (key == '/') { return onlineFirst(event); } event.respondWith(caches.open(CACHE_NAME) .then((cache) => { return cache.match(event.request).then((response) => { // Either respond with the cached resource, or perform a fetch and // lazily populate the cache only if the resource was successfully fetched. return response || fetch(event.request).then((response) => { if (response && Boolean(response.ok)) { cache.put(event.request, response.clone()); } return response; }); }) }) ); }); self.addEventListener('message', (event) => { // SkipWaiting can be used to immediately activate a waiting service worker. // This will also require a page refresh triggered by the main worker. if (event.data === 'skipWaiting') { self.skipWaiting(); return; } if (event.data === 'downloadOffline') { downloadOffline(); return; } }); // Download offline will check the RESOURCES for all files not in the cache // and populate them. async function downloadOffline() { var resources = []; var contentCache = await caches.open(CACHE_NAME); var currentContent = {}; for (var request of await contentCache.keys()) { var key = request.url.substring(origin.length + 1); if (key == "") { key = "/"; } currentContent[key] = true; } for (var resourceKey of Object.keys(RESOURCES)) { if (!currentContent[resourceKey]) { resources.push(resourceKey); } } return contentCache.addAll(resources); } // Attempt to download the resource online before falling back to // the offline cache. function onlineFirst(event) { return event.respondWith( fetch(event.request).then((response) => { return caches.open(CACHE_NAME).then((cache) => { cache.put(event.request, response.clone()); return response; }); }).catch((error) => { return caches.open(CACHE_NAME).then((cache) => { return cache.match(event.request).then((response) => { if (response != null) { return response; } throw error; }); }); }) ); }