flutter_service_worker.js

'use strict';
const MANIFEST = 'flutter-app-manifest';
const TEMP = 'flutter-temp-cache';
const CACHE_NAME = 'flutter-app-cache';
const RESOURCES = {
  ".git/COMMIT_EDITMSG": "9d3fd68b70346ac3fa7e8e196ac24f64",
".git/config": "c9f1fcf9bd63ccc5dc68eb8e4ecf2955",
".git/description": "a0a7c3fff21f2aea3cfa1d0316dd816c",
".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/update.sample": "647ae13c682f7827c22f5fc08a03674e",
".git/index": "0d27f57a1438c896e4bf1dc015c45b5e",
".git/info/exclude": "036208b4a1ab4a235d75c181e685e5a3",
".git/logs/HEAD": "66298770d0fd15541807c360fa0efd4e",
".git/logs/refs/heads/master": "66298770d0fd15541807c360fa0efd4e",
".git/logs/refs/remotes/origin/master": "e42748a400d1368a9c15897e2ae85edb",
".git/objects/05/305d10e7f2bd2ce6e0254a5aec7b4e042bf3b0": "faebbf26151a112e8327e50db09832c4",
".git/objects/0d/0df08f7c3e147a8ae36017cf81a96e35b73717": "106e868f28a72727fb6fb0fa71123633",
".git/objects/24/b1f14dd348b07c9b8373758bde9ac14d16fd92": "dbf45d6c044044561758a334420e9569",
".git/objects/29/2214367c0af9a2eee8f873b2944224e2fe3f0c": "902d6cf3d5ea70392a74bfc9ded583bb",
".git/objects/2b/7cc64cd4176e780273204dc28a731f82bd1e32": "d1e1f7281599af0dca41d3b8a9bcd1d2",
".git/objects/2d/cf3542c874e33cd8ab86ceb6f0ec444228aa78": "66baad0ae5d874f09b6eee790095bc65",
".git/objects/43/2e0665950cadc4e7fff23e16295363bee4660b": "f9c617ea60b782ef8afdec5cde34e65e",
".git/objects/43/8943c22492543122eac5d2b9107b99878cdadf": "175d9bc0ecb3860d5512902fecd146cc",
".git/objects/4b/c386de873a4a370adff122e2a9b80edd58e752": "4c9cc50737941156a934e08326026ced",
".git/objects/4c/a351214427c1c9ca29bb2d6cba55debe76eec7": "6593af8c770772e9ad129d49d67d7609",
".git/objects/4e/89617a3696bd10c155ec378f4a65a9f89e9e3a": "d8056e20bae90d092b619c895129e982",
".git/objects/57/0a9f42bd75bdf1fa3ed1a22b7b70564c515c8a": "1c619a1ee1a4579b9129c536a2612a2e",
".git/objects/57/dd3357df87993165db68f4f3c7b9482ade0b79": "da9a0083b7e6881efba952b8d7af419b",
".git/objects/5e/524befbf2250297646f2200538acfc63630f8d": "90127cce422b2c520e67db65a5d5811c",
".git/objects/66/9c2b2bb3cc9cc0b0f1057584b750dd0f3486a2": "a8d6cd3360c05fe08a7dada60feb000d",
".git/objects/69/66980cae767363fd33d5e5f4d11e1ac9d4891c": "a45083c9908a1f95e139697c67bbda01",
".git/objects/76/8651b2e249c2517c7b37bdbeea0a5d8bfbb707": "495b1c4fefa633f6afe4dc5840ebe18f",
".git/objects/79/ba7ea0836b93b3f178067bcd0a0945dbc26b3f": "f3e31aec622d6cf63f619aa3a6023103",
".git/objects/88/cfd48dff1169879ba46840804b412fe02fefd6": "e42aaae6a4cbfbc9f6326f1fa9e3380c",
".git/objects/8a/aa46ac1ae21512746f852a42ba87e4165dfdd1": "1d8820d345e38b30de033aa4b5a23e7b",
".git/objects/a1/3837a12450aceaa5c8e807c32e781831d67a8f": "bfe4910ea01eb3d69e9520c3b42a0adf",
".git/objects/ab/0e98497a51ead7821d1da35a24968ff314e50f": "557c35fe3928eb2af403d1b3926bb9ba",
".git/objects/ae/487bfc113054e77840929ab95f818329b40794": "df996948433949d75d778852c26bbaf5",
".git/objects/b5/40244d5eaf803becf2173c6780e1d7c91a1e8d": "f6b99e9c966d465a314d94665ee30e1e",
".git/objects/b6/f58677c2af686ffcc87ca2211f3b8bb27836f9": "5c8b4d0faacdd98bd9bb0781d20d413d",
".git/objects/b7/49bfef07473333cf1dd31e9eed89862a5d52aa": "36b4020dca303986cad10924774fb5dc",
".git/objects/b9/265a2a512e7d563d69f35b71a7177cb4ab0fd3": "c982799e48afaf96d587708d47ddd66d",
".git/objects/b9/2a0d854da9a8f73216c4a0ef07a0f0a44e4373": "f62d1eb7f51165e2a6d2ef1921f976f3",
".git/objects/bd/9874ff9f4211ad94bffe91c3b9442dfa9ba8c3": "b640d831752cba2face59dfb0b4343cc",
".git/objects/c2/0451a0851420f9c0c0237fcb93c5e2bc3e6c92": "4bc602137dd2ba32dc0c215e4107bed9",
".git/objects/c2/e8e16f9b3e2996ddb8ca57fe4ccfda6ec6465c": "6d8f46424d7da049a6123a510a0da492",
".git/objects/c7/e83f0fef2920a9aab1dae5d2d0802374fdc287": "13c407ca4bce738d1238e4187eadf194",
".git/objects/cd/22076013ce8b84475eae9bb4cd6c60b5460fbe": "81c620e2d6cbe5638d6c90ee25886389",
".git/objects/d6/9c56691fbdb0b7efa65097c7cc1edac12a6d3e": "868ce37a3a78b0606713733248a2f579",
".git/objects/db/a4abb6aa1ab8f38bcf71ed0858a88580d6f3dc": "72502952a4b583b6d06c54165affd0c4",
".git/objects/de/28db843d7df6ed23b8a7526f6b6b4a83425fe7": "797e4f7b3d8dced098c51679ff33e848",
".git/objects/e5/951dfb943474a56e611d9923405cd06c2dd28d": "c6fa51103d8db5478e1a43a661f6c68d",
".git/objects/e6/eb17a4d75b77d886366141bbaf2945c3d6542d": "d40db4bdeefe57f94f8c720141d86494",
".git/objects/e9/e575d0b36ebd696294496017834c26b62e1505": "8eca52e53d59927cc7c00a13888ea67b",
".git/objects/eb/9b4d76e525556d5d89141648c724331630325d": "37c0954235cbe27c4d93e74fe9a578ef",
".git/objects/eb/b9c89a540fbfb45ed0fbeeb886aa07a45b3406": "c727b27b858921f6e94cb2d924f367ae",
".git/refs/heads/master": "6278ddd5b8f68fd3cfdb5aa31fb8b2c6",
".git/refs/remotes/origin/master": "6278ddd5b8f68fd3cfdb5aa31fb8b2c6",
"assets/AssetManifest.json": "e176e8e0725f797771325b17971c16bd",
"assets/assets/fonts/Pacifico-Regular.ttf": "9b94499ccea3bd82b24cb210733c4b5e",
"assets/assets/images/dice-png-1.png": "0492dbc9482cbe3f5733321857341b16",
"assets/assets/images/dice-png-2.png": "48bd516577568766345167aca48b8969",
"assets/assets/images/dice-png-3.png": "a014d3988f5061acfeae65beb46d8b7d",
"assets/assets/images/dice-png-4.png": "ec5cbfdfc230041d1b850c9b5fe06194",
"assets/assets/images/dice-png-5.png": "5b84177732f5db54241df4bb51e8da99",
"assets/assets/images/dice-png-6.png": "b15339cd0d1b24b18c3e60191a5de657",
"assets/FontManifest.json": "848dcd580c80116c346cbe0ab9f89c2f",
"assets/fonts/MaterialIcons-Regular.otf": "95db9098c58fd6db106f1116bae85a0b",
"assets/NOTICES": "2d7236aca695ba4cd213a3478e55d740",
"assets/packages/cupertino_icons/assets/CupertinoIcons.ttf": "6d342eb68f170c97609e9da345464e5e",
"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": "e29db10ee6d36f8a5d67978095dab299",
"/": "e29db10ee6d36f8a5d67978095dab299",
"main.dart.js": "a3e67d4ff87dac1757be02b6db3993c3",
"manifest.json": "794e012a9348b1d94951395134f03be2",
"version.json": "b7913d1e80d60162f7386c06a8b80748"
};

// 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;
        });
      });
    })
  );
}