public async Task AppendToServiceWorkerScript(StringBuilder sw, PwaOptions options, HttpContext context)
{
var cacheSuffix = await _workboxCacheSuffixProvider.GetWorkboxCacheSuffix();
//if (context.User.Identity.IsAuthenticated)
//{
// sw.Append("workbox.core.setCacheNameDetails({");
// sw.Append("prefix: 'web-app-auth',");
// sw.Append("suffix: '" + cacheSuffix + "',");
// sw.Append("precache: 'auth-user-precache',");
// sw.Append("runtime: 'auth-user-runtime-cache'");
// sw.Append("});");
//}
//else
//{
// sw.Append("workbox.core.setCacheNameDetails({");
// sw.Append("prefix: 'web-app-anon',");
// sw.Append("suffix: '" + cacheSuffix + "',");
// sw.Append("precache: 'unauth-user-precache',");
// sw.Append("runtime: 'unauth-user-runtime-cache'");
// sw.Append("});");
//}
//no longer need separate cahce for auth vs anonymous
sw.Append("workbox.core.setCacheNameDetails({");
sw.Append("prefix: 'web-app',");
sw.Append("suffix: '" + cacheSuffix + "',");
sw.Append("precache: 'precache',");
sw.Append("runtime: 'runtime-cache'");
sw.Append("});");
//https://developers.google.com/web/tools/workbox/reference-docs/latest/workbox.core
//Force a service worker to become active, instead of waiting. This is normally used in conjunction with clientsClaim()
sw.Append("workbox.core.skipWaiting();");
sw.Append("workbox.core.clientsClaim();");
//https://developers.google.com/web/tools/workbox/reference-docs/latest/workbox.core
//Force a service worker to become active, instead of waiting. This is normally used in conjunction with clientsClaim()
//sw.Append("workbox.skipWaiting();");
//sw.Append("workbox.clientsClaim();");
//https://github.com/GoogleChrome/workbox/issues/1407
//cleanup old caches
sw.Append("let currentCacheNames = Object.assign(");
sw.Append("{ precacheTemp: workbox.core.cacheNames.precache + \"-temp\" },");
sw.Append("workbox.core.cacheNames");
sw.Append(");");
sw.Append("self.addEventListener(\"activate\", function(event) {");
sw.Append("event.waitUntil(");
sw.Append("caches.keys().then(function(cacheNames) {");
sw.Append("let validCacheSet = new Set(Object.values(currentCacheNames));");
sw.Append("return Promise.all(");
sw.Append("cacheNames");
sw.Append(".filter(function(cacheName) {");
sw.Append("return !validCacheSet.has(cacheName);");
sw.Append("})");
sw.Append(".map(function(cacheName) {");
sw.Append("return caches.delete(cacheName);");
sw.Append("})");
sw.Append(");");
sw.Append("})");
sw.Append(");");
if (options.EnableServiceWorkerConsoleLog)
{
sw.Append("console.log('activate event fired');");
}
sw.Append("});");
//new in 4.0.x
sw.Append("workbox.precaching.cleanupOutdatedCaches();");
}
public async Task AppendToServiceWorkerScript(StringBuilder sw, PwaOptions options, HttpContext context)
{
var cacheSuffix = await _workboxCacheSuffixProvider.GetWorkboxCacheSuffix();
sw.Append("const networkFirstHandler = new workbox.strategies.NetworkFirst({");
//sw.Append("cacheName: 'network-first-content-cache-" + cacheSuffix + "',");
//sw.Append("plugins: [");
//sw.Append("new workbox.expiration.Plugin({");
//sw.Append(" maxEntries: 2000,");
//sw.Append("maxAgeSeconds: 30 * 24 * 60 * 60,"); //30 days
//sw.Append("})");
//sw.Append("]");
sw.Append("}); ");
sw.Append("const networkFirstMatchFunction = ({url, event}) => {");
sw.Append("if(url.href.indexOf(\"serviceworkerinit\") > -1) {");
sw.Append("return false;");
sw.Append("}");
if (options.EnableServiceWorkerConsoleLog)
{
sw.Append("console.log('networkFirstMatchFunction returning true for ' + url.href);");
}
// Return true if the route should match, we are basically matching all requests except to the initserviceworker script
sw.Append("return true;");
sw.Append("};");
sw.Append("workbox.routing.registerRoute(");
sw.Append("networkFirstMatchFunction,");
sw.Append("new workbox.strategies.NetworkFirst()");
sw.Append(");");
// var offlineUrl = _offlinePageUrlProvider.GetOfflineUrl();
//sw.Append("workbox.routing.registerRoute(networkFirstMatchFunction, args => {");
//sw.Append("return networkFirstHandler.handle(args).then(response => {");
//sw.Append("if (!response) {");
//sw.Append("const precacheCacheName = workbox.core.cacheNames.precache;");
//sw.Append("caches.open(precacheCacheName).then(function(cache) {");
//sw.Append("cache.match(event.request).then(function(response) {");
//sw.Append("return response;");
//sw.Append("}).catch(function() {");
//sw.Append("return caches.match('" + offlineUrl + "');");
//sw.Append("}) ");
//sw.Append("})");//end cache open
////sw.Append("caches.match(event.request).then(function(response) {");
////sw.Append("return response;");
////sw.Append("}).catch(function() {");
////sw.Append("return caches.match('" + offlineUrl + "');");
////sw.Append("}) ");
//sw.Append("}"); //end if not response
////sw.Append("console.log('network first returning response');");
////sw.Append("console.log(response.url);");
//sw.Append("return response;");
//sw.Append("});");
//sw.Append("});");
}
