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Commit 9ad09e9

Browse files
update.
1 parent d0229ea commit 9ad09e9

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10 files changed

+118000
-53560
lines changed

10 files changed

+118000
-53560
lines changed

‎web/assets/FontManifest.json‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1 +1 @@
1-
[{"family":"MaterialIcons","fonts":[{"asset":"fonts/MaterialIcons-Regular.ttf"}]},{"family":"packages/cupertino_icons/CupertinoIcons","fonts":[{"asset":"packages/cupertino_icons/assets/CupertinoIcons.ttf"}]}]
1+
[{"family":"MaterialIcons","fonts":[{"asset":"fonts/MaterialIcons-Regular.otf"}]},{"family":"packages/cupertino_icons/CupertinoIcons","fonts":[{"asset":"packages/cupertino_icons/assets/CupertinoIcons.ttf"}]}]

‎web/assets/LICENSE‎ renamed to ‎web/assets/NOTICES‎

Lines changed: 1701 additions & 1615 deletions
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‎web/flutter_service_worker.js‎

Lines changed: 173 additions & 22 deletions
Original file line numberDiff line numberDiff line change
@@ -1,35 +1,186 @@
11
'use strict';
2+
const MANIFEST = 'flutter-app-manifest';
3+
const TEMP = 'flutter-temp-cache';
24
const CACHE_NAME = 'flutter-app-cache';
35
const RESOURCES = {
4-
"/index.html": "586ceada6c8fe349bd345099af0715d8",
5-
"/main.dart.js": "6f845bf9ea3aed21bbf8ada9fa3f2a3f",
6-
"/assets/LICENSE": "f735d46327889dff9a8f2afc0912e923",
7-
"/assets/AssetManifest.json": "2efbb41d7877d10aac9d091f58ccd7b9",
8-
"/assets/FontManifest.json": "01700ba55b08a6141f33e168c4a6c22f",
9-
"/assets/packages/cupertino_icons/assets/CupertinoIcons.ttf": "115e937bb829a890521f72d2e664b632",
10-
"/assets/fonts/MaterialIcons-Regular.ttf": "56d3ffdef7a25659eab6a68a3fbfaf16"
6+
"version.json": "3cd6f815d9c5d07f0f911f700a1b794f",
7+
"index.html": "586ceada6c8fe349bd345099af0715d8",
8+
"/": "586ceada6c8fe349bd345099af0715d8",
9+
"main.dart.js": "accbe5718f9ba09566d794f2e928dccb",
10+
"assets/AssetManifest.json": "2efbb41d7877d10aac9d091f58ccd7b9",
11+
"assets/NOTICES": "6c189b91b43a3a483186be04162c19cf",
12+
"assets/FontManifest.json": "dc3d03800ccca4601324923c0b1d6d57",
13+
"assets/packages/cupertino_icons/assets/CupertinoIcons.ttf": "b14fcf3ee94e3ace300b192e9e7c8c5d",
14+
"assets/fonts/MaterialIcons-Regular.otf": "1288c9e28052e028aba623321f7826ac"
1115
};
1216

13-
self.addEventListener('activate', function (event) {
14-
event.waitUntil(
15-
caches.keys().then(function (cacheName) {
16-
return caches.delete(cacheName);
17-
}).then(function (_) {
18-
return caches.open(CACHE_NAME);
19-
}).then(function (cache) {
20-
return cache.addAll(Object.keys(RESOURCES));
17+
// The application shell files that are downloaded before a service worker can
18+
// start.
19+
const CORE = [
20+
"/",
21+
"main.dart.js",
22+
"index.html",
23+
"assets/NOTICES",
24+
"assets/AssetManifest.json",
25+
"assets/FontManifest.json"];
26+
// During install, the TEMP cache is populated with the application shell files.
27+
self.addEventListener("install", (event) => {
28+
self.skipWaiting();
29+
return event.waitUntil(
30+
caches.open(TEMP).then((cache) => {
31+
return cache.addAll(
32+
CORE.map((value) => new Request(value + '?revision=' + RESOURCES[value], {'cache': 'reload'})));
2133
})
2234
);
2335
});
2436

25-
self.addEventListener('fetch', function (event) {
26-
event.respondWith(
27-
caches.match(event.request)
28-
.then(function (response) {
29-
if (response) {
30-
return response;
37+
// During activate, the cache is populated with the temp files downloaded in
38+
// install. If this service worker is upgrading from one with a saved
39+
// MANIFEST, then use this to retain unchanged resource files.
40+
self.addEventListener("activate", function(event) {
41+
return event.waitUntil(async function() {
42+
try {
43+
var contentCache = await caches.open(CACHE_NAME);
44+
var tempCache = await caches.open(TEMP);
45+
var manifestCache = await caches.open(MANIFEST);
46+
var manifest = await manifestCache.match('manifest');
47+
// When there is no prior manifest, clear the entire cache.
48+
if (!manifest) {
49+
await caches.delete(CACHE_NAME);
50+
contentCache = await caches.open(CACHE_NAME);
51+
for (var request of await tempCache.keys()) {
52+
var response = await tempCache.match(request);
53+
await contentCache.put(request, response);
54+
}
55+
await caches.delete(TEMP);
56+
// Save the manifest to make future upgrades efficient.
57+
await manifestCache.put('manifest', new Response(JSON.stringify(RESOURCES)));
58+
return;
59+
}
60+
var oldManifest = await manifest.json();
61+
var origin = self.location.origin;
62+
for (var request of await contentCache.keys()) {
63+
var key = request.url.substring(origin.length + 1);
64+
if (key == "") {
65+
key = "/";
3166
}
32-
return fetch(event.request);
67+
// If a resource from the old manifest is not in the new cache, or if
68+
// the MD5 sum has changed, delete it. Otherwise the resource is left
69+
// in the cache and can be reused by the new service worker.
70+
if (!RESOURCES[key] || RESOURCES[key] != oldManifest[key]) {
71+
await contentCache.delete(request);
72+
}
73+
}
74+
// Populate the cache with the app shell TEMP files, potentially overwriting
75+
// cache files preserved above.
76+
for (var request of await tempCache.keys()) {
77+
var response = await tempCache.match(request);
78+
await contentCache.put(request, response);
79+
}
80+
await caches.delete(TEMP);
81+
// Save the manifest to make future upgrades efficient.
82+
await manifestCache.put('manifest', new Response(JSON.stringify(RESOURCES)));
83+
return;
84+
} catch (err) {
85+
// On an unhandled exception the state of the cache cannot be guaranteed.
86+
console.error('Failed to upgrade service worker: ' + err);
87+
await caches.delete(CACHE_NAME);
88+
await caches.delete(TEMP);
89+
await caches.delete(MANIFEST);
90+
}
91+
}());
92+
});
93+
94+
// The fetch handler redirects requests for RESOURCE files to the service
95+
// worker cache.
96+
self.addEventListener("fetch", (event) => {
97+
if (event.request.method !== 'GET') {
98+
return;
99+
}
100+
var origin = self.location.origin;
101+
var key = event.request.url.substring(origin.length + 1);
102+
// Redirect URLs to the index.html
103+
if (key.indexOf('?v=') != -1) {
104+
key = key.split('?v=')[0];
105+
}
106+
if (event.request.url == origin || event.request.url.startsWith(origin + '/#') || key == '') {
107+
key = '/';
108+
}
109+
// If the URL is not the RESOURCE list then return to signal that the
110+
// browser should take over.
111+
if (!RESOURCES[key]) {
112+
return;
113+
}
114+
// If the URL is the index.html, perform an online-first request.
115+
if (key == '/') {
116+
return onlineFirst(event);
117+
}
118+
event.respondWith(caches.open(CACHE_NAME)
119+
.then((cache) => {
120+
return cache.match(event.request).then((response) => {
121+
// Either respond with the cached resource, or perform a fetch and
122+
// lazily populate the cache.
123+
return response || fetch(event.request).then((response) => {
124+
cache.put(event.request, response.clone());
125+
return response;
126+
});
33127
})
128+
})
34129
);
35130
});
131+
132+
self.addEventListener('message', (event) => {
133+
// SkipWaiting can be used to immediately activate a waiting service worker.
134+
// This will also require a page refresh triggered by the main worker.
135+
if (event.data === 'skipWaiting') {
136+
self.skipWaiting();
137+
return;
138+
}
139+
if (event.data === 'downloadOffline') {
140+
downloadOffline();
141+
return;
142+
}
143+
});
144+
145+
// Download offline will check the RESOURCES for all files not in the cache
146+
// and populate them.
147+
async function downloadOffline() {
148+
var resources = [];
149+
var contentCache = await caches.open(CACHE_NAME);
150+
var currentContent = {};
151+
for (var request of await contentCache.keys()) {
152+
var key = request.url.substring(origin.length + 1);
153+
if (key == "") {
154+
key = "/";
155+
}
156+
currentContent[key] = true;
157+
}
158+
for (var resourceKey in Object.keys(RESOURCES)) {
159+
if (!currentContent[resourceKey]) {
160+
resources.push(resourceKey);
161+
}
162+
}
163+
return contentCache.addAll(resources);
164+
}
165+
166+
// Attempt to download the resource online before falling back to
167+
// the offline cache.
168+
function onlineFirst(event) {
169+
return event.respondWith(
170+
fetch(event.request).then((response) => {
171+
return caches.open(CACHE_NAME).then((cache) => {
172+
cache.put(event.request, response.clone());
173+
return response;
174+
});
175+
}).catch((error) => {
176+
return caches.open(CACHE_NAME).then((cache) => {
177+
return cache.match(event.request).then((response) => {
178+
if (response != null) {
179+
return response;
180+
}
181+
throw error;
182+
});
183+
});
184+
})
185+
);
186+
}

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