'use strict'; const MANIFEST = 'flutter-app-manifest'; const TEMP = 'flutter-temp-cache'; const CACHE_NAME = 'flutter-app-cache'; const RESOURCES = {".git/config": "60b6b72b4099ebaecfb6179e8b2e5f9e", ".git/description": "a0a7c3fff21f2aea3cfa1d0316dd816c", ".git/FETCH_HEAD": "ea1106d8f9b205b4d8daa1f1193ab174", ".git/HEAD": "4cf2d64e44205fe628ddd534e1151b58", ".git/hooks/applypatch-msg.sample": "ce562e08d8098926a3862fc6e7905199", ".git/hooks/commit-msg.sample": "579a3c1e12a1e74a98169175fb913012", ".git/hooks/fsmonitor-watchman.sample": "a0b2633a2c8e97501610bd3f73da66fc", ".git/hooks/post-update.sample": "2b7ea5cee3c49ff53d41e00785eb974c", ".git/hooks/pre-applypatch.sample": "054f9ffb8bfe04a599751cc757226dda", ".git/hooks/pre-commit.sample": "305eadbbcd6f6d2567e033ad12aabbc4", ".git/hooks/pre-merge-commit.sample": "39cb268e2a85d436b9eb6f47614c3cbc", ".git/hooks/pre-push.sample": "2c642152299a94e05ea26eae11993b13", ".git/hooks/pre-rebase.sample": "56e45f2bcbc8226d2b4200f7c46371bf", ".git/hooks/pre-receive.sample": "2ad18ec82c20af7b5926ed9cea6aeedd", ".git/hooks/prepare-commit-msg.sample": "2b5c047bdb474555e1787db32b2d2fc5", ".git/hooks/push-to-checkout.sample": "c7ab00c7784efeadad3ae9b228d4b4db", ".git/hooks/sendemail-validate.sample": "4d67df3a8d5c98cb8565c07e42be0b04", ".git/hooks/update.sample": "647ae13c682f7827c22f5fc08a03674e", ".git/index": "44e2864bbbf316f64f30746f1404d4de", ".git/info/exclude": "036208b4a1ab4a235d75c181e685e5a3", ".git/logs/HEAD": "425b06a76e29e6a961e4a9729395380b", ".git/logs/refs/heads/master": "425b06a76e29e6a961e4a9729395380b", ".git/logs/refs/remotes/origin/HEAD": "425b06a76e29e6a961e4a9729395380b", ".git/objects/pack/pack-f97eba008558126c6b05cbe0d977c240616e5769.idx": "6ecc91d7dab0b00ce1de146aaacb67f6", ".git/objects/pack/pack-f97eba008558126c6b05cbe0d977c240616e5769.pack": "67853c7be6657d14d27102bc89b29bd4", ".git/objects/pack/pack-f97eba008558126c6b05cbe0d977c240616e5769.rev": "c0a3d704210a6e8b46dcbc8566a06797", ".git/packed-refs": "fcbfb42a2cccad535268911906880c33", ".git/refs/heads/master": "10f141bcf5f013bff032cbafff3023f1", ".git/refs/remotes/origin/HEAD": "73a00957034783b7b5c8294c54cd3e12", ".vscode/launch.json": "8536c0b1b0a5a6da1637feed7ca91d43", "assets/AssetManifest.bin": "0b0a3415aad49b6e9bf965ff578614f9", "assets/AssetManifest.bin.json": "a1fee2517bf598633e2f67fcf3e26c94", "assets/AssetManifest.json": "99914b932bd37a50b983c5e7c90ae93b", "assets/FontManifest.json": "7b2a36307916a9721811788013e65289", "assets/fonts/MaterialIcons-Regular.otf": "0db35ae7a415370b89e807027510caf0", "assets/NOTICES": "308b58ca5304581480ce433b822f503c", "assets/shaders/ink_sparkle.frag": "ecc85a2e95f5e9f53123dcaf8cb9b6ce", "canvaskit/canvaskit.js": "c86fbd9e7b17accae76e5ad116583dc4", "canvaskit/canvaskit.js.symbols": "38cba9233b92472a36ff011dc21c2c9f", "canvaskit/canvaskit.wasm": "3d2a2d663e8c5111ac61a46367f751ac", "canvaskit/chromium/canvaskit.js": "43787ac5098c648979c27c13c6f804c3", "canvaskit/chromium/canvaskit.js.symbols": "4525682ef039faeb11f24f37436dca06", "canvaskit/chromium/canvaskit.wasm": "f5934e694f12929ed56a671617acd254", "canvaskit/skwasm.js": "445e9e400085faead4493be2224d95aa", "canvaskit/skwasm.js.symbols": "741d50ffba71f89345996b0aa8426af8", "canvaskit/skwasm.wasm": "e42815763c5d05bba43f9d0337fa7d84", "canvaskit/skwasm.worker.js": "bfb704a6c714a75da9ef320991e88b03", "favicon.png": "a8dac4984aa5229f2f2c176b2b626e1f", "flutter.js": "c71a09214cb6f5f8996a531350400a9a", "icons/Icon-192.png": "ab1f3346eb3e23e19304ac088cc236c1", "icons/Icon-512.png": "29fa67fed2325c5febd96dd9180e60dc", "icons/Icon-maskable-192.png": "c8230bd12eac2e925faa8531f5633292", "icons/Icon-maskable-512.png": "4eb4557b51424f785b4dcf7096a9fdde", "index.html": "b77b885b3ce5c70fc7fe4f50900c4324", "/": "b77b885b3ce5c70fc7fe4f50900c4324", "main.dart.js": "8ebbc98c411d7c92261ca8fcd476b2bd", "manifest.json": "27a391c5ac472fe33d066bdd6e1c50be", "version.json": "da11dc51486ca396fa77df44efc636c4"}; // The application shell files that are downloaded before a service worker can // start. const CORE = ["main.dart.js", "index.html", "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; }); }); }) ); }