1.1.4

2023-09-20 22:56:54 +02:00
parent da005c2898
commit aaf69fe77d
6 changed files with 152 additions and 1 deletions
@@ -0,0 +1,109 @@
+// Set a name for the current cache
+var cacheName = 'v1'; 
+
+// Default files to always cache
+var cacheFiles = [
+        '/',
+        '/_nicegui/1.3.13/static/nicegui.css',
+        '/_nicegui/1.3.13/static/fonts.css',
+        '/_nicegui/1.3.13/static/quasar.prod.css',
+        '/_nicegui/1.3.13/static/es-module-shims.js',
+        '/_nicegui/1.3.13/static/socket.io.min.js',
+        '/_nicegui/1.3.13/static/tailwindcss.min.js',
+        '/_nicegui/1.3.13/static/vue.global.prod.js',
+        '/_nicegui/1.3.13/static/quasar.umd.prod.js',
+        '/_nicegui/1.3.13/static/lang/en-US.umd.prod.js'
+]
+
+
+self.addEventListener('install', function(e) {
+    console.log('[ServiceWorker] Installed');
+
+    // e.waitUntil Delays the event until the Promise is resolved
+    e.waitUntil(
+
+        // Open the cache
+        caches.open(cacheName).then(function(cache) {
+
+            // Add all the default files to the cache
+            console.log('[ServiceWorker] Caching cacheFiles');
+            return cache.addAll(cacheFiles);
+        })
+    ); // end e.waitUntil
+});
+
+
+self.addEventListener('activate', function(e) {
+    console.log('[ServiceWorker] Activated');
+
+    e.waitUntil(
+
+        // Get all the cache keys (cacheName)
+        caches.keys().then(function(cacheNames) {
+            return Promise.all(cacheNames.map(function(thisCacheName) {
+
+                // If a cached item is saved under a previous cacheName
+                if (thisCacheName !== cacheName) {
+
+                    // Delete that cached file
+                    console.log('[ServiceWorker] Removing Cached Files from Cache - ', thisCacheName);
+                    return caches.delete(thisCacheName);
+                }
+            }));
+        })
+    ); // end e.waitUntil
+
+});
+
+
+self.addEventListener('fetch', function(e) {
+    console.log('[ServiceWorker] Fetch', e.request.url);
+
+    // e.respondWith Responds to the fetch event
+    e.respondWith(
+
+        // Check in cache for the request being made
+        caches.match(e.request)
+
+            .then(function(response) {
+
+                // If the request is in the cache
+                if ( response ) {
+                    console.log("[ServiceWorker] Found in Cache", e.request.url, response);
+                    // Return the cached version
+                    return response;
+                }
+
+                // If the request is NOT in the cache, fetch and cache
+
+                var requestClone = e.request.clone();
+                
+                fetch(requestClone)
+                    .then(function(response) {
+
+                        if ( !response ) {
+                            console.log("[ServiceWorker] No response from fetch ")
+                            return response;
+                        }
+
+                        var responseClone = response.clone();
+
+                        //  Open the cache
+                        caches.open(cacheName).then(function(cache) {
+
+                            // Put the fetched response in the cache
+                            cache.put(e.request, responseClone);
+                            console.log('[ServiceWorker] New Data Cached', e.request.url);
+
+                            // Return the response
+                            return response;
+            
+                        }); // end caches.open
+
+                    })
+                    .catch(function(err) {
+                        console.log('[ServiceWorker] Error Fetching & Caching New Data', err);
+                    });
+            }) // end caches.match(e.request)
+    ); // end e.respondWith
+});