flutter_service_worker.js

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

const RESOURCES = {"assets/AssetManifest.bin": "8ad1c96d2572ff57ce495bb2b3a9df0a",
"assets/AssetManifest.bin.json": "9d78be90b33f3fa9589b2121ca805c31",
"assets/AssetManifest.json": "fc603d56e2a3fd0b034d07b6a7a024ce",
"assets/assets/images/css.png": "0059bb9d9ac59dcb72f780c033a4d18d",
"assets/assets/images/dart.png": "9bfd6395ba25e1bb74cf9745bc7e1034",
"assets/assets/images/flutter.png": "600e8be5c37e8a93204250ca593e9095",
"assets/assets/images/html.png": "e60c649d0e0437ab330d0683169e219f",
"assets/assets/images/js.png": "77d2c28fef35a4c50ac85e47f39cea29",
"assets/assets/images/udemy.jpg": "fcb7a86472053a88938f13e643c8a649",
"assets/assets/resume/Sarthak%2520CV.pdf": "26ecae428c948d355e9523f06af9f1bd",
"assets/FontManifest.json": "1bea77f908e728900842c1f2b421df54",
"assets/fonts/MaterialIcons-Regular.otf": "0db35ae7a415370b89e807027510caf0",
"assets/NOTICES": "2b4a0a9418cc28c3074bfda1ed9f0cc6",
"assets/packages/cupertino_icons/assets/CupertinoIcons.ttf": "89ed8f4e49bcdfc0b5bfc9b24591e347",
"assets/packages/fluttericon/lib/fonts/Brandico.ttf": "791921e9b25210e2551b6eda3f86c733",
"assets/packages/fluttericon/lib/fonts/Elusive.ttf": "23f24df0388819e94db2b3c19841841c",
"assets/packages/fluttericon/lib/fonts/Entypo.ttf": "58edfaf27b1032ea4778b69297c02b5a",
"assets/packages/fluttericon/lib/fonts/FontAwesome.ttf": "f4129dc4687db3424426f77209eeda56",
"assets/packages/fluttericon/lib/fonts/FontAwesome5.ttf": "221b27a41202ddd33990e299939e4504",
"assets/packages/fluttericon/lib/fonts/Fontelico.ttf": "3a1e1cecf0a3eae6be5cba3677379ba2",
"assets/packages/fluttericon/lib/fonts/Iconic.ttf": "34e12214307f5f7cf7bc62086fbf55a3",
"assets/packages/fluttericon/lib/fonts/LineariconsFree.ttf": "276b1d61e45eb9b2dde9482545d9e3ac",
"assets/packages/fluttericon/lib/fonts/Linecons.ttf": "2d0ac407ed11860bf470cb01745fb144",
"assets/packages/fluttericon/lib/fonts/Maki.ttf": "9ecdcd7d24a2461a55d532b86b2740bd",
"assets/packages/fluttericon/lib/fonts/Meteocons.ttf": "8b9c7982496155bb39c67eaf2a243731",
"assets/packages/fluttericon/lib/fonts/MfgLabs.ttf": "09daa533ea11600a98e3148b7531afe3",
"assets/packages/fluttericon/lib/fonts/ModernPictograms.ttf": "5046c536516be5b91c15eb7795e0352d",
"assets/packages/fluttericon/lib/fonts/Octicons.ttf": "7242d2fe9e36eb4193d2bc7e521779bf",
"assets/packages/fluttericon/lib/fonts/RpgAwesome.ttf": "99232001effca5cf2b5aa92cc3f3e892",
"assets/packages/fluttericon/lib/fonts/Typicons.ttf": "3386cae1128e52caf268508d477fb660",
"assets/packages/fluttericon/lib/fonts/WebSymbols.ttf": "4fd66aa74cdc6e5eaff0ec916ac269c6",
"assets/packages/fluttericon/lib/fonts/Zocial.ttf": "c29d6e34d8f703a745c6f18d94ce316d",
"assets/packages/font_awesome_flutter/lib/fonts/fa-brands-400.ttf": "c011abbf34b65d3d2a9b088ba68dd70c",
"assets/packages/font_awesome_flutter/lib/fonts/fa-regular-400.ttf": "f3307f62ddff94d2cd8b103daf8d1b0f",
"assets/packages/font_awesome_flutter/lib/fonts/fa-solid-900.ttf": "f8e4320b682bf487edfa3905bf477a7c",
"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.ico": "eb6f824b271a1f938c29122410d68085",
"flutter.js": "c71a09214cb6f5f8996a531350400a9a",
"icons/android-chrome-192x192.png": "21eca86dd375b12dfb46fad0867ff379",
"icons/android-chrome-512x512.png": "e0b7b483af420a0ff5bc30d4159b89b8",
"icons/apple-touch-icon.png": "7eddd2a25691415522079ac043467fb9",
"icons/favicon-16x16.png": "d9d5b131c75dbade05d4a107f0bb548c",
"icons/favicon-32x32.png": "16f06fec211c839f155b5163560580c5",
"icons/favicon.ico": "eb6f824b271a1f938c29122410d68085",
"icons/site.webmanifest": "053100cb84a50d2ae7f5492f7dd7f25e",
"index.html": "995f717a239bea504d1342f2c55acab9",
"/": "995f717a239bea504d1342f2c55acab9",
"main.dart.js": "a639ad504c4ba6b3a614f04b5c06f698",
"manifest.json": "ffb255e6ba2fe51041c7f5da949ad56c",
"version.json": "4313165265cffac63b562e1c729c8347"};
// 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;
        });
      });
    })
  );
}