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218 lines
8.9 KiB
218 lines
8.9 KiB
'use strict';
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const MANIFEST = 'flutter-app-manifest';
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const TEMP = 'flutter-temp-cache';
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const CACHE_NAME = 'flutter-app-cache';
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const RESOURCES = {"flutter.js": "6fef97aeca90b426343ba6c5c9dc5d4a",
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"canvaskit/canvaskit.js": "76f7d822f42397160c5dfc69cbc9b2de",
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"canvaskit/canvaskit.wasm": "f48eaf57cada79163ec6dec7929486ea",
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"canvaskit/skwasm.worker.js": "19659053a277272607529ef87acf9d8a",
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"canvaskit/skwasm.wasm": "6711032e17bf49924b2b001cef0d3ea3",
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"canvaskit/chromium/canvaskit.js": "8c8392ce4a4364cbb240aa09b5652e05",
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"canvaskit/chromium/canvaskit.wasm": "fc18c3010856029414b70cae1afc5cd9",
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"canvaskit/skwasm.js": "1df4d741f441fa1a4d10530ced463ef8",
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"assets/assets/shaders/ui_glitch.frag": "97b58db3bd4a0fd72623cc29af45f190",
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"assets/assets/shaders/orb_shader.frag": "7f53dc1f64cf4ef8e12c5171dcd7efc5",
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"assets/assets/fonts/Exo-Medium.ttf": "822a35349a144a97433b82d94df61d1a",
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"assets/assets/fonts/OFL.txt": "e542a680112942b035ac18d476288952",
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"assets/assets/fonts/Exo-Bold.ttf": "a939d1d0769c88bde068c8570e5f3f22",
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"assets/assets/images/bg-light-receive.png": "2f6ba99f8eea020027e10b9778b666ad",
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"assets/assets/images/bg-base.jpg": "3c258b33e7a71dee7ae8e3c4e83dd04f",
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"assets/assets/images/button-start-hover.png": "39d7ee03962ad766b66be34336343e75",
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"assets/assets/images/particle-wave.png": "d6b73c1346b8ffd48de351cfab3daaad",
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"assets/assets/images/fg-light-emit.png": "d398c8fab13becd0da8995be2a3c7799",
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"assets/assets/images/mg-light-emit.png": "076ed5490a67d7d300832d86778adfc0",
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"assets/assets/images/button-start.png": "748701e42abc14ebc65963234d9a7b6a",
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"assets/assets/images/select-left.png": "b3fbaf9a7b1b72c26880c5bdfde6e33c",
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"assets/assets/images/mg-light-receive.png": "6e0e1018b6cf20f4747f5c4ef3e6f58d",
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"assets/assets/images/mg-base.png": "deba0329701a59c12f8904235539de19",
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"assets/assets/images/fg-base.png": "9742f524c248f9795e59132bda584982",
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"assets/assets/images/fg-light-receive.png": "9981f29fa2d3814768cbf9695eb7b861",
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"assets/assets/images/select-right.png": "a6c979b3eae49cde6c7d5797dc357034",
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"assets/shaders/ink_sparkle.frag": "f8b80e740d33eb157090be4e995febdf",
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"assets/fonts/MaterialIcons-Regular.otf": "7d6150d8bed9bbfe730ff47fc4488e8e",
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"assets/NOTICES": "3b997f8ca0833bdb9abc30a695c53b04",
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"assets/packages/cupertino_icons/assets/CupertinoIcons.ttf": "57d849d738900cfd590e9adc7e208250",
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"assets/FontManifest.json": "06438dbc68e4dc4c7665d2e03e14e76d",
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"assets/AssetManifest.json": "183c6882211bd7760ebf1ff3cbfcd847",
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"assets/AssetManifest.smcbin": "a6451c61a133950f6070166a1e3948bf",
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"index.html": "9819c7fd023e74b0ab436ced562ee0cb",
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"/": "9819c7fd023e74b0ab436ced562ee0cb",
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"favicon.png": "5dcef449791fa27946b3d35ad8803796",
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"version.json": "408e32657aac2b0495551d3fc84cc2ff",
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"icons/Icon-maskable-192.png": "c457ef57daa1d16f64b27b786ec2ea3c",
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"icons/Icon-192.png": "ac9a721a12bbc803b44f645561ecb1e1",
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"icons/Icon-512.png": "96e752610906ba2a93c65f8abe1645f1",
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"icons/Icon-maskable-512.png": "301a7604d45b3e739efc881eb04896ea",
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"main.dart.js": "1f7b3fef2f94125a0e65746614fee950",
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"manifest.json": "80bcae284fe5b8fc18af68135b7896fe"};
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// The application shell files that are downloaded before a service worker can
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// start.
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const CORE = ["main.dart.js",
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"index.html",
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"assets/AssetManifest.json",
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"assets/FontManifest.json"];
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// During install, the TEMP cache is populated with the application shell files.
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self.addEventListener("install", (event) => {
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self.skipWaiting();
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return event.waitUntil(
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caches.open(TEMP).then((cache) => {
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return cache.addAll(
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CORE.map((value) => new Request(value, {'cache': 'reload'})));
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})
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);
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});
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// During activate, the cache is populated with the temp files downloaded in
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// install. If this service worker is upgrading from one with a saved
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// MANIFEST, then use this to retain unchanged resource files.
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self.addEventListener("activate", function(event) {
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return event.waitUntil(async function() {
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try {
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var contentCache = await caches.open(CACHE_NAME);
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var tempCache = await caches.open(TEMP);
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var manifestCache = await caches.open(MANIFEST);
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var manifest = await manifestCache.match('manifest');
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// When there is no prior manifest, clear the entire cache.
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if (!manifest) {
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await caches.delete(CACHE_NAME);
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contentCache = await caches.open(CACHE_NAME);
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for (var request of await tempCache.keys()) {
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var response = await tempCache.match(request);
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await contentCache.put(request, response);
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}
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await caches.delete(TEMP);
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// Save the manifest to make future upgrades efficient.
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await manifestCache.put('manifest', new Response(JSON.stringify(RESOURCES)));
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// Claim client to enable caching on first launch
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self.clients.claim();
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return;
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}
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var oldManifest = await manifest.json();
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var origin = self.location.origin;
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for (var request of await contentCache.keys()) {
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var key = request.url.substring(origin.length + 1);
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if (key == "") {
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key = "/";
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}
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// If a resource from the old manifest is not in the new cache, or if
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// the MD5 sum has changed, delete it. Otherwise the resource is left
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// in the cache and can be reused by the new service worker.
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if (!RESOURCES[key] || RESOURCES[key] != oldManifest[key]) {
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await contentCache.delete(request);
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}
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}
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// Populate the cache with the app shell TEMP files, potentially overwriting
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// cache files preserved above.
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for (var request of await tempCache.keys()) {
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var response = await tempCache.match(request);
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await contentCache.put(request, response);
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}
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await caches.delete(TEMP);
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// Save the manifest to make future upgrades efficient.
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await manifestCache.put('manifest', new Response(JSON.stringify(RESOURCES)));
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// Claim client to enable caching on first launch
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self.clients.claim();
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return;
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} catch (err) {
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// On an unhandled exception the state of the cache cannot be guaranteed.
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console.error('Failed to upgrade service worker: ' + err);
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await caches.delete(CACHE_NAME);
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await caches.delete(TEMP);
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await caches.delete(MANIFEST);
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}
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}());
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});
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// The fetch handler redirects requests for RESOURCE files to the service
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// worker cache.
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self.addEventListener("fetch", (event) => {
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if (event.request.method !== 'GET') {
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return;
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}
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var origin = self.location.origin;
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var key = event.request.url.substring(origin.length + 1);
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// Redirect URLs to the index.html
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if (key.indexOf('?v=') != -1) {
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key = key.split('?v=')[0];
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}
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if (event.request.url == origin || event.request.url.startsWith(origin + '/#') || key == '') {
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key = '/';
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}
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// If the URL is not the RESOURCE list then return to signal that the
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// browser should take over.
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if (!RESOURCES[key]) {
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return;
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}
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// If the URL is the index.html, perform an online-first request.
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if (key == '/') {
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return onlineFirst(event);
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}
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event.respondWith(caches.open(CACHE_NAME)
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.then((cache) => {
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return cache.match(event.request).then((response) => {
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// Either respond with the cached resource, or perform a fetch and
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// lazily populate the cache only if the resource was successfully fetched.
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return response || fetch(event.request).then((response) => {
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if (response && Boolean(response.ok)) {
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cache.put(event.request, response.clone());
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}
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return response;
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});
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})
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})
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);
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});
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self.addEventListener('message', (event) => {
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// SkipWaiting can be used to immediately activate a waiting service worker.
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// This will also require a page refresh triggered by the main worker.
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if (event.data === 'skipWaiting') {
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self.skipWaiting();
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return;
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}
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if (event.data === 'downloadOffline') {
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downloadOffline();
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return;
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}
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});
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// Download offline will check the RESOURCES for all files not in the cache
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// and populate them.
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async function downloadOffline() {
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var resources = [];
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var contentCache = await caches.open(CACHE_NAME);
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var currentContent = {};
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for (var request of await contentCache.keys()) {
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var key = request.url.substring(origin.length + 1);
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if (key == "") {
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key = "/";
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}
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currentContent[key] = true;
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}
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for (var resourceKey of Object.keys(RESOURCES)) {
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if (!currentContent[resourceKey]) {
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resources.push(resourceKey);
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}
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}
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return contentCache.addAll(resources);
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}
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// Attempt to download the resource online before falling back to
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// the offline cache.
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function onlineFirst(event) {
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return event.respondWith(
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fetch(event.request).then((response) => {
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return caches.open(CACHE_NAME).then((cache) => {
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cache.put(event.request, response.clone());
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return response;
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});
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}).catch((error) => {
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return caches.open(CACHE_NAME).then((cache) => {
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return cache.match(event.request).then((response) => {
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if (response != null) {
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return response;
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}
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throw error;
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});
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});
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})
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);
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}
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