IsServiceWorkerReady breaks down the different APIs required and related to service workers and the browser support if you want something with more visual appeal. The service worker and the window can communicate via the postMessage method. Use a host to maintain the lifetime of the console application until the host is signalled to shut down. If so, the cached response is returned. If your service worker has previously been installed, but then a new version of the worker is available on refresh or page load, the new version is installed in the background, but not yet activated. What is the story for UNIX (configure to run app as daemon). Service worker syntax is more complex than that of AppCache, but the trade off is that you can use JavaScript to control your AppCache-implied behaviors with a fine degree of granularity, allowing you to handle this problem and many more. Preview Note: In our preview releases the worker template is in the same menu as the Web templates. The CreateDefaultBuilder method is called from within the Main method and is used to build and then immediately run the host. You can check out the code in the following experimental subfolder, merged from a branch: When you think of ASP .NET Core, you probably think of web application backend code, including MVC and Web API. It is important to remember that a Service Worker’s life cycle is completely separate from your webpage. It then uses the builder to configure the IHost, which will be used to run the worker service application. This is also not allowed. After your service worker is registered, the browser will attempt to install then activate the service worker for your page/site. The event will not trigger again until the service worker is updated. But there are a bunch of interesting details to dig into. So I will go do that and report back.
He enjoys sharing his knowledge through his blog, in videos and by presenting at user groups and conferences. GitHub is therefore a good place to host experiments, as it supports HTTPS. The service worker is a script that executes in a thread, separate from the UI.
Although the project template was initially listed under the Web templates, it has since been relocated one level up in the New Project wizard. This class derives from the BackgroundService abstract base class. Next, we pull from the SDK equivalent of that nanoserver image so we have access to the .NET Core SDK. This can be seen in the snippet below: The worker class, Worker.cs, is defined as shown below: In the sample project, a utility class (DocEngine.cs) is used to convert a web page (e.g. Because Service Workers have so much power they are only enabled if the page is served using HTTPS. Login to edit/delete your existing comments. Promises passed into waitUntil() will block other events until completion, so you can rest assured that your clean-up operation will have completed by the time you get your first fetch event on the new service worker. Note: As of Firefox 44, when AppCache is used to provide offline support for a page a warning message is now displayed in the console advising developers to use Service workers instead (bug 1204581.).
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