https://cdn.skillmea.sk/service-worker.js

1var CACHE_VERSION = 'v1';
2var CACHE_NAME = CACHE_VERSION + ':sw-cache-';
3
4function onInstall(event) {
5  console.log('[Serviceworker]', "Installing!", event);
6
7  event.waitUntil(
8    caches.open(CACHE_NAME).then(function prefill(cache) {
9    })
10  );
11
12  // Uppy ServiceWorker
13  event.waitUntil(Promise.resolve().then(() => self.skipWaiting()));
14}
15
16function onActivate(event) {
17  console.log('[Serviceworker]', "Activating!", event);
18
19  event.waitUntil(
20    caches.keys().then(function(cacheNames) {
21      return Promise.all(
22        cacheNames.filter(function(cacheName) {
23          // Return true if you want to remove this cache,
24          // but remember that caches are shared across
25          // the whole origin
26          return cacheName.indexOf(CACHE_VERSION) !== 0;
27        }).map(function(cacheName) {
28          return caches.delete(cacheName);
29        })
30      );
31    })
32  );
33
34  // Uppy ServiceWorker
35  event.waitUntil(self.clients.claim());
36}
37
38function onFetch(event) {
39  return;
40  event.respondWith(
41    // try to return untouched request from network first
42    fetch(event.request).catch(function() {
43      // if it fails, try to return request from the cache
44      return caches.match(event.request).then(function(response) {
45        if (response) {
46          return response;
47        }
48        // if not found in cache, return default offline content for navigate requests
49        if (event.request.mode === 'navigate' ||
50          (event.request.method === 'GET' && event.request.headers.get('accept').includes('text/html'))) {
51          console.log('[Serviceworker]', "Fetching offline content", event);
52          return caches.match('/offline.html');
53        }
54      })
55    })
56  );
57}
58
59// Uppy ServiceWorker
60const fileCache = Object.create(null);
61
62// Uppy ServiceWorker
63function getCache(name) {
64  if (!fileCache[name]) {
65    fileCache[name] = Object.create(null);
66  }
67
68  return fileCache[name];
69}
70
71// Uppy ServiceWorker
72function sendMessageToAllClients(msg) {
73  clients.matchAll().then(clients => {
74    clients.forEach(client => {
75      client.postMessage(msg);
76    });
77  });
78}
79
80// Uppy ServiceWorker
81function addFile(store, file) {
82  getCache(store)[file.id] = file.data;
83}
84
85// Uppy ServiceWorker
86function removeFile(store, fileID) {
87  delete getCache(store)[fileID];
88}
89
90// Uppy ServiceWorker
91function getFiles(store) {
92  sendMessageToAllClients({
93    type: 'uppy/ALL_FILES',
94    store,
95    files: getCache(store)
96  });
97}
98
99// Uppy ServiceWorker
100self.addEventListener('message', event => {
101  var _event$data;
102
103  switch (event.data.type) {
104    case 'uppy/ADD_FILE':
105      addFile(event.data.store, event.data.file);
106      break;
107
108    case 'uppy/REMOVE_FILE':
109      removeFile(event.data.store, event.data.fileID);
110      break;
111
112    case 'uppy/GET_FILES':
113      getFiles(event.data.store);
114      break;
115
116    default:
117      throw new Error(`[ServiceWorker] Unsupported event.data.type. Got: ${event == null ? void 0 : (_event$data = event.data) == null ? void 0 : _event$data.type}`);
118  }
119});
120
121self.addEventListener('install', onInstall);
122self.addEventListener('activate', onActivate);
123self.addEventListener('fetch', onFetch);