service-worker

问题 Am new to service worker. I just want to know how the service worker handling the Data changes. For example, I have configured my data group in and set strategy to "performance" so that Service worker will always look first in Cache. That means any time the Registered URL in hit service worker will look in the cache first. Suppose the response has some changes ( data in database got changed ) will the response will update or still, it will take from the cache. I searched quite a bit in net I

问题 We have a native andorid app with some webviews. We are using Service worker functionality in Android webviews. http://www.html5rocks.com/en/tutorials/service-worker/introduction/ Is there a way to clear out the service worker cache from the Android API? We want to specifically clear the cache when the user logs out from the Android app. 回答1: I'm not an Android developer, but the WebStorage#deleteAllData() method looks like it would accomplish what you'd want. If it doesn't, that sounds like

问题 Looks like Service Worker runs in a worker context and has no access to the DOM. However, once Service Worker installed, I want my users to know that the app will now work offline. How can I do that? 回答1: When the Service Worker is in activated state , this is the perfect time to display the toast ' Content is cached for offline use '. Try something below code while registering your service worker. if ('serviceWorker' in navigator) { navigator.serviceWorker.register('/service-worker.js').then

问题 I wrote this code as a Cloudflare Service Worker which is meant to precisely emulate their native function for "Bypass cache on cookie". Specifically, if someone has a Wordpress cookie - it would bypass cache, otherwise it does not. It does not seem to function at all - in that despite having a cookie and being logged in (confirmed via Chrome developer tools) - I still get a Cloudflare cache HIT on this example domain - Tallyfy. Anything wrong with it? Help appreciated! // A Service Worker

问题 I have been trying since some days to give offline capabilities using workbox to my Django Web App without success. I have follow the get started guide and I manage to register with succeed the service worker and to save/serve from cache the the static and media resources. Code done to archive the describe: urls.py ... url(r'^service-worker.js', cache_control(max_age=60*60*24)(TemplateView.as_view( template_name="sw.js", content_type='application/javascript', )), name='sw.js'), ... base.html

问题 Can't connect to WebSocket inside Service Worker! ws = new WebSocket("ws://46.101.***.***"); Response (Opcode -1) 回答1: As shown in this GitHub issue on the W3C service worker repo, service workers do not support WebSocket. 回答2: I think you can create a web-socket connection inside a service worker. Or you can use web-workers here to maintain the websocket. 来源： https://stackoverflow.com/questions/41353796/cant-connect-to-websocket-inside-service-worker

问题 Hi I'm trying to implement web push notification for web i followed the following example,except the server part for which i'm using python script to connect to gcm/fcm and generating payload .i'm getting the push event but the event.data coming null . from datetime import datetime from pyfcm import FCMNotification pushService = FCMNotification(api_key ='xxx'} registrationId="" messageTitle = "New update available" messageBody ="some message" dryRun = False extraData = {} extraData['title'] =

问题 Every thing is working fine at localhost but when i upload same file to live server i got below mentioned error. Service Worker error : DOMException: Failed to register a ServiceWorker: The script has an unsupported MIME type ('text/html'). If anyone can point me in the right direction I'd greatly appreciate it! Thank you 回答1: A Service Worker script has to be served using a JavaScript media type i.e. either of text/javascript , application/javascript or application/x-javascript . 回答2: It can

问题 Last night I attempted to create a PWA using the latest aurelia-cli (version 0.32.0). I created a custom setup with au new that uses Webpack and TypeScript. After that I followed the Workbox with Webpack instructions from Google. npm install workbox-cli --saveDev npm install workbox-webpack-plugin --saveDev service worker is running offline fails doesn't find webpack-dev-server.js (not in dist), app.xxx.bundle.js and vendor.asdf.js are not in the generated sw.js even though in dist folder au

问题 I have attached install event to service worker as below. But Install event fired before register event is completed. See code snippets and console logs below. My concern is how install event is fired before register event is completed? if ('serviceWorker' in navigator) { navigator.serviceWorker.register('./service-worker.js',{scope : '/'}).then(function(registration) { // Registration was successful console.log('ServiceWorker registration successful with scope: ', registration.scope); })