flutter_service_worker.js

'use strict';
const MANIFEST = 'flutter-app-manifest';
const TEMP = 'flutter-temp-cache';
const CACHE_NAME = 'flutter-app-cache';

const RESOURCES = {"flutter.js": "7d69e653079438abfbb24b82a655b0a4",
"main.dart.js": "385b3d0a3f0cf810617e0a29fa12f374",
"assets/FontManifest.json": "d31e580654e2c181186cd2b310b4464d",
"assets/AssetManifest.bin": "785af91fc795610a662c356a669cc95a",
"assets/fonts/MaterialIcons-Regular.otf": "b2cf1b86302ea94ca786f78787991b3c",
"assets/packages/awesome_dialog/assets/flare/warning_without_loop.flr": "c84f528c7e7afe91a929898988012291",
"assets/packages/awesome_dialog/assets/flare/succes.flr": "ebae20460b624d738bb48269fb492edf",
"assets/packages/awesome_dialog/assets/flare/info_without_loop.flr": "cf106e19d7dee9846bbc1ac29296a43f",
"assets/packages/awesome_dialog/assets/flare/info2.flr": "21af33cb65751b76639d98e106835cfb",
"assets/packages/awesome_dialog/assets/flare/succes_without_loop.flr": "3d8b3b3552370677bf3fb55d0d56a152",
"assets/packages/awesome_dialog/assets/flare/warning.flr": "68898234dacef62093ae95ff4772509b",
"assets/packages/awesome_dialog/assets/flare/question.flr": "1c31ec57688a19de5899338f898290f0",
"assets/packages/awesome_dialog/assets/flare/info.flr": "bc654ba9a96055d7309f0922746fe7a7",
"assets/packages/awesome_dialog/assets/flare/error.flr": "e3b124665e57682dab45f4ee8a16b3c9",
"assets/packages/awesome_dialog/assets/rive/info.riv": "2a425920b11404228f613bc51b30b2fb",
"assets/packages/awesome_dialog/assets/rive/question.riv": "00f02da4d08c2960079d4cd8211c930c",
"assets/packages/awesome_dialog/assets/rive/warning.riv": "0becf971559a68f9a74c8f0c6e0f8335",
"assets/packages/awesome_dialog/assets/rive/info_reverse.riv": "c6e814d66c0e469f1574a2f171a13a76",
"assets/packages/awesome_dialog/assets/rive/error.riv": "e74e21f8b53de4b541dd037c667027c1",
"assets/packages/awesome_dialog/assets/rive/success.riv": "73618ab4166b406e130c2042dc595f42",
"assets/packages/cupertino_icons/assets/CupertinoIcons.ttf": "89ed8f4e49bcdfc0b5bfc9b24591e347",
"assets/packages/toast/assets/toastify.css": "a85675050054f179444bc5ad70ffc635",
"assets/packages/toast/assets/toastify.js": "e7006a0a033d834ef9414d48db3be6fc",
"assets/packages/community_material_icon/fonts/materialdesignicons-webfont.ttf": "84c7bd136590da0a6ed2c21df180c354",
"assets/assets/fonts/times-new-roman-bold-italic.ttf": "85950e39e82115c6eab24d91fc1b7723",
"assets/assets/fonts/SutonnyMJ-Regular.ttf": "2e06e81c8688192a003a2d0c247015d4",
"assets/assets/fonts/times-new-roman-bold.ttf": "1d3466fec8a99ed65f32cbdfb3d5c4d0",
"assets/assets/fonts/SutonnyMJ-Bold.ttf": "745d8457da8dec2e3477d0d4da431299",
"assets/assets/fonts/Symbola.ttf": "156be6c48c85484c970d103657e14601",
"assets/assets/fonts/times-new-roman.ttf": "e2f6bf4ef7c6443cbb0ae33f1c1a9ccc",
"assets/assets/fonts/times-new-roman-italic.ttf": "e3d6e9ea74f51afbfc9071e214ddb9e8",
"assets/assets/images/app_logo_2.png": "232d9e3c0cda736424a462963377330e",
"assets/assets/images/app_logo.png": "2cc9e4944acd8666c878a3fd6e1b7d3f",
"assets/assets/image.jpg": "7fd9f6def806d386e397e31d0f9cfca5",
"assets/NOTICES": "46c1e66f15dba49346fafb553f4b248d",
"assets/shaders/ink_sparkle.frag": "4096b5150bac93c41cbc9b45276bd90f",
"assets/AssetManifest.json": "55d1c83656c480a07b390349ab9afd3d",
"assets/AssetManifest.bin.json": "3d3914e20f9fd66455a9a169fe207dfd",
"index.html": "fa9917c089d9c321cccb7b5aadf531d2",
"/": "fa9917c089d9c321cccb7b5aadf531d2",
"manifest.json": "ec76723352e271985372d13c45234b6f",
"canvaskit/canvaskit.js": "eb8797020acdbdf96a12fb0405582c1b",
"canvaskit/chromium/canvaskit.js": "0ae8bbcc58155679458a0f7a00f66873",
"canvaskit/chromium/canvaskit.wasm": "f87e541501c96012c252942b6b75d1ea",
"canvaskit/skwasm.js": "87063acf45c5e1ab9565dcf06b0c18b8",
"canvaskit/canvaskit.wasm": "64edb91684bdb3b879812ba2e48dd487",
"canvaskit/skwasm.wasm": "4124c42a73efa7eb886d3400a1ed7a06",
"canvaskit/skwasm.worker.js": "bfb704a6c714a75da9ef320991e88b03",
"icons/Icon-maskable-192.png": "d4eb2e75bf405d0f6e3b879d0ee96149",
"icons/Icon-192.png": "d4eb2e75bf405d0f6e3b879d0ee96149",
"icons/Icon-512.png": "f67d9e37a3c1e9d7ea166729aea51abc",
"icons/Icon-maskable-512.png": "f67d9e37a3c1e9d7ea166729aea51abc",
"favicon.png": "2ff76e5a06e2d437c34b937c063bc3a1",
"version.json": "a44a703dba749d8acc927ec189d15e66"};
// The application shell files that are downloaded before a service worker can
// start.
const CORE = ["main.dart.js",
"index.html",
"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)));
        // 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;
        });
      });
    })
  );
}