'use strict'; const MANIFEST = 'flutter-app-manifest'; const TEMP = 'flutter-temp-cache'; const CACHE_NAME = 'flutter-app-cache'; const RESOURCES = { "favicon.ico": "51636d3a390451561744c42188ccd628", "favicon.png": "dca91c54388f52eded692718d5a98b8b", "version.json": "7069906ad6cc610c71d600bca7105f49", "icons/Icon-192.png": "bb1cf5f6982006952211c7c8404ffbed", "icons/Icon-512.png": "0f9aff01367f0a0c69773d25ca16ef35", "manifest.json": "ce1b79950eb917ea619a0a30da27c6a3", "main.dart.js": "72b792941f13b782c1c011576793dc9b", "assets/NOTICES": "dcba058006722202a4906fb433998480", "assets/fonts/MaterialIcons-Regular.otf": "1288c9e28052e028aba623321f7826ac", "assets/AssetManifest.json": "659dcf9d1baf3aed3ab1b9c42112bf8f", "assets/packages/material_design_icons_flutter/lib/fonts/materialdesignicons-webfont.ttf": "174c02fc4609e8fc4389f5d21f16a296", "assets/assets/images/payment_types/switch.png": "4fa11c45327f5fdc20205821b2cfd9cc", "assets/assets/images/payment_types/maestro.png": "e533b92bfb50339fdbfa79e3dfe81f08", "assets/assets/images/payment_types/other.png": "d936e11fa3884b8c9f1bd5c914be8629", "assets/assets/images/payment_types/mastercard.png": "6f6cdc29ee2e22e06b1ac029cb52ef71", "assets/assets/images/payment_types/carteblanche.png": "d936e11fa3884b8c9f1bd5c914be8629", "assets/assets/images/payment_types/laser.png": "b4e6e93dd35517ac429301119ff05868", "assets/assets/images/payment_types/unionpay.png": "7002f52004e0ab8cc0b7450b0208ccb2", "assets/assets/images/payment_types/visa.png": "3ddc4a4d25c946e8ad7e6998f30fd4e3", "assets/assets/images/payment_types/paypal.png": "8e06c094c1871376dfea1da8088c29d1", "assets/assets/images/payment_types/jcb.png": "07e0942d16c5592118b72e74f2f7198c", "assets/assets/images/payment_types/amex.png": "c49a4247984b3732a4af50a3390aa978", "assets/assets/images/payment_types/dinerscard.png": "06d85186ba858c18ab7c9caa42c92024", "assets/assets/images/payment_types/solo.png": "2030c3ccaccf5d5e87916a62f5b084d6", "assets/assets/images/payment_types/ach.png": "7433f0aff779dc98a649b7a2daf777cf", "assets/assets/images/payment_types/discover.png": "6c0a386a00307f87db7bea366cca35f5", "assets/assets/images/google-icon.png": "0f118259ce403274f407f5e982e681c3", "assets/assets/images/logo.png": "090f69e23311a4b6d851b3880ae52541", "assets/FontManifest.json": "cf3c681641169319e61b61bd0277378f", "/": "23224b5e03519aaa87594403d54412cf" }; // The application shell files that are downloaded before a service worker can // start. const CORE = [ "/", "main.dart.js", "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 + '?revision=' + RESOURCES[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); 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 (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; }); }); }) ); }