'use strict'; const MANIFEST = 'flutter-app-manifest'; const TEMP = 'flutter-temp-cache'; const CACHE_NAME = 'flutter-app-cache'; const RESOURCES = {"main.dart.js": "04d1e9d8be49caacaf5c6b55b869835b", "favicon.png": "5dcef449791fa27946b3d35ad8803796", "version.json": "92f697c02cebd09de4c9f42514753601", "icons/Icon-maskable-512.png": "301a7604d45b3e739efc881eb04896ea", "icons/Icon-maskable-192.png": "c457ef57daa1d16f64b27b786ec2ea3c", "icons/Icon-512.png:Zone.Identifier": "8bd539172c70ab7ee8d93dfc100f48c6", "icons/Icon-512.png": "96e752610906ba2a93c65f8abe1645f1", "icons/Icon-192.png": "ac9a721a12bbc803b44f645561ecb1e1", "icons/Icon-192.png:Zone.Identifier": "8bd539172c70ab7ee8d93dfc100f48c6", "favicon.png%3AZone.Identifier": "8bd539172c70ab7ee8d93dfc100f48c6", "assets/AssetManifest.json": "7107f01592ede37d667c303623ccd708", "assets/AssetManifest.bin": "d4dec74aed52fc1f0ba0e1c4db49c432", "assets/FontManifest.json": "71a4a82de411f155107da3f8dac64ebd", "assets/NOTICES": "2acc594a42393e46699e1b3b0419cbe6", "assets/assets/email.png": "d06f5f879781f1a2cfcaa4907052ecb2", "assets/assets/communications.png": "b1b531ec21bc2e7dbfb0dd9908bbe119", "assets/assets/contact-book.png": "bb7600a8929229e95653fecfb7601837", "assets/assets/back.png": "6186dd3ad1836cbb49828b6cf2aa2919", "assets/AssetManifest.bin.json": "dab53058cc1526f8ede0d2d03185f493", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Main-BoldItalic.ttf": "e3c361ea8d1c215805439ce0941a1c8d", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Caligraphic-Bold.ttf": "a9c8e437146ef63fcd6fae7cf65ca859", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Fraktur-Regular.ttf": "dede6f2c7dad4402fa205644391b3a94", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Typewriter-Regular.ttf": "87f56927f1ba726ce0591955c8b3b42d", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_SansSerif-Regular.ttf": "b5f967ed9e4933f1c3165a12fe3436df", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_SansSerif-Italic.ttf": "d89b80e7bdd57d238eeaa80ed9a1013a", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Size3-Regular.ttf": "e87212c26bb86c21eb028aba2ac53ec3", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Fraktur-Bold.ttf": "46b41c4de7a936d099575185a94855c4", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Math-BoldItalic.ttf": "946a26954ab7fbd7ea78df07795a6cbc", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Main-Regular.ttf": "5a5766c715ee765aa1398997643f1589", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Size2-Regular.ttf": "959972785387fe35f7d47dbfb0385bc4", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Size1-Regular.ttf": "1e6a3368d660edc3a2fbbe72edfeaa85", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Math-Italic.ttf": "a7732ecb5840a15be39e1eda377bc21d", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_AMS-Regular.ttf": "657a5353a553777e270827bd1630e467", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Size4-Regular.ttf": "85554307b465da7eb785fd3ce52ad282", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_SansSerif-Bold.ttf": "ad0a28f28f736cf4c121bcb0e719b88a", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Caligraphic-Regular.ttf": "7ec92adfa4fe03eb8e9bfb60813df1fa", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Main-Italic.ttf": "ac3b1882325add4f148f05db8cafd401", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Script-Regular.ttf": "55d2dcd4778875a53ff09320a85a5296", "assets/packages/flutter_math_fork/lib/katex_fonts/fonts/KaTeX_Main-Bold.ttf": "9eef86c1f9efa78ab93d41a0551948f7", "assets/packages/wakelock_web/assets/no_sleep.js": "7748a45cd593f33280669b29c2c8919a", "assets/packages/cupertino_icons/assets/CupertinoIcons.ttf": "e986ebe42ef785b27164c36a9abc7818", "assets/shaders/ink_sparkle.frag": "ecc85a2e95f5e9f53123dcaf8cb9b6ce", "assets/fonts/MaterialIcons-Regular.otf": "df2312a70f35ed7f476f2b29fcd6c151", "flutter.js": "f393d3c16b631f36852323de8e583132", "manifest.json": "301edc2c632971d4cfa1d7b18326b147", "flutter_bootstrap.js": "8b675f2b08702eec6e4e3bdefec89d04", "index.html": "63893b2fbb06840ee4ccd5685b789dfc", "/": "63893b2fbb06840ee4ccd5685b789dfc", "canvaskit/skwasm.wasm": "9f0c0c02b82a910d12ce0543ec130e60", "canvaskit/chromium/canvaskit.js": "671c6b4f8fcc199dcc551c7bb125f239", "canvaskit/chromium/canvaskit.wasm": "b1ac05b29c127d86df4bcfbf50dd902a", "canvaskit/chromium/canvaskit.js.symbols": "a012ed99ccba193cf96bb2643003f6fc", "canvaskit/canvaskit.js": "66177750aff65a66cb07bb44b8c6422b", "canvaskit/skwasm.worker.js": "89990e8c92bcb123999aa81f7e203b1c", "canvaskit/skwasm.js": "694fda5704053957c2594de355805228", "canvaskit/canvaskit.wasm": "1f237a213d7370cf95f443d896176460", "canvaskit/canvaskit.js.symbols": "48c83a2ce573d9692e8d970e288d75f7", "canvaskit/skwasm.js.symbols": "262f4827a1317abb59d71d6c587a93e2"}; // The application shell files that are downloaded before a service worker can // start. const CORE = ["main.dart.js", "index.html", "flutter_bootstrap.js", "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; }); }); }) ); }