'use strict'; const MANIFEST = 'flutter-app-manifest'; const TEMP = 'flutter-temp-cache'; const CACHE_NAME = 'flutter-app-cache'; const RESOURCES = { "assets/AssetManifest.json": "35faf5d1f8de4ec76865ea46b4ca4368", "assets/FontManifest.json": "dc3d03800ccca4601324923c0b1d6d57", "assets/fonts/MaterialIcons-Regular.otf": "95db9098c58fd6db106f1116bae85a0b", "assets/NOTICES": "5f2070de87edb9e80562f93d02581883", "assets/packages/cupertino_icons/assets/CupertinoIcons.ttf": "6d342eb68f170c97609e9da345464e5e", "assets/packages/fluttertoast/assets/toastify.css": "a85675050054f179444bc5ad70ffc635", "assets/packages/fluttertoast/assets/toastify.js": "e7006a0a033d834ef9414d48db3be6fc", "assets/static/icons/log.png": "2032ea5140d975c7fb378382567bcd40", "assets/static/icons/login.png": "035149bc987b6a1c73a658e6a738a16d", "assets/static/icons/login_activepng.png": "74e964de176311b534855bea5069fea6", "assets/static/icons/log_active.png": "4a8fa09b95f999e375a10e4ea0f13fec", "assets/static/icons/other.png": "d403f7a2a3cc92bfcfa47954c49d4fe2", "assets/static/icons/other_active.png": "a8b1708fc3ee7621b99df19dd4844fbb", "assets/static/icons/user.png": "16524fb152b12c2f10dfaea9b48ca763", "assets/static/icons/user_active.png": "a13efebb1830ec3c45eda77ae7c1f64a", "canvaskit/canvaskit.js": "c2b4e5f3d7a3d82aed024e7249a78487", "canvaskit/canvaskit.wasm": "4b83d89d9fecbea8ca46f2f760c5a9ba", "canvaskit/profiling/canvaskit.js": "ae2949af4efc61d28a4a80fffa1db900", "canvaskit/profiling/canvaskit.wasm": "95e736ab31147d1b2c7b25f11d4c32cd", "favicon.png": "5dcef449791fa27946b3d35ad8803796", "flutter.js": "eb2682e33f25cd8f1fc59011497c35f8", "icons/Icon-192.png": "ac9a721a12bbc803b44f645561ecb1e1", "icons/Icon-512.png": "96e752610906ba2a93c65f8abe1645f1", "icons/Icon-maskable-192.png": "c457ef57daa1d16f64b27b786ec2ea3c", "icons/Icon-maskable-512.png": "301a7604d45b3e739efc881eb04896ea", "index.html": "482db2f1eb72ded72e20a83474838ddd", "/": "482db2f1eb72ded72e20a83474838ddd", "main.dart.js": "14992a7be14f038738797c976e95f49d", "manifest.json": "2b20bee3db6bef587cd7faa16ac930a9", "version.json": "c334b2139fab2d7372c81ad374b72e90" }; // The application shell files that are downloaded before a service worker can // start. const CORE = [ "main.dart.js", "index.html", "assets/NOTICES", "assets/AssetManifest.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))); 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))); 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. return response || fetch(event.request).then((response) => { 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; }); }); }) ); }