I’m following PWA tutorial and the same way implemented offline storage. In addition to the specified error, I got the following warnings I have web manifest installed with content: I have these tags in my layout and corresponding images in specified folders. Answer I made a mistake in code. I forgot to…
Tag: service-worker
Relay information to the service worker on install
I have a PWA with multiple different languages and would like to cache only language specific files on install. I can’t find out a way to communicate the language to the service worker during install. Ideas on how I could do it? My js code to initiate the service worker: My code in the service-worker.js…
How to ensure that `self.skipWaiting()` works while allowing POST requests in service worker’s fetch event
I’ve noticed that my service worker doesn’t respond to self.skipWaiting() when there are still tasks to be run. In my service worker’s fetch event, I see various Firebase polls that use HTTP POST requests. If I handle these requests in the service worker like so: Then self.skipWaiting() alwa…
How to access cache web storage in service worker in the client?
I’m figuring out how to access data stored in service worker web cache. My service worker looks like this: Where the three las ones URLS inside the event ‘install’ are request to my server which responds with JSON that I need to access in the client. They’re stored correctly in the cac…
javascript how to modify the current response in service worker?
I use service worker to modify the fetch response with below code, Whichi will lead to this warning and error, The FetchEvent for “” resulted in a network error response: the promise was rejected. sw.js:60 Uncaught (in promise) TypeError: Failed to execute ‘clone’ on ‘Response…
Should I return a promise in a JS Service Worker onFetch callback function if I don’t want to do anything with the original request?
My scenario is the following: I have a Progressive Web App that uses a Service Worker where I need to catch the request and do something with it every time the user requests a resource or leaves the current URL I’m handling that through adding a callback to the fetch event of the worker I only care abou…
How to test if Workbox precaching is working
My question is very similar to this question. I’m wondering how I can verify in Google Chrome whether the service worker of my progressive web app is serving precached files from the cache instead of the network. I have a service worker in place which uses following Workbox code to precache some files: …
Service Worker onClick event – Open and pass some data to a PWA
I have implemented push notifications for my PWA and my service worker (SW) is currently handling clicks on a notifications like this: If the app is running it will put it in the foreground and send it some data using the Client.postMessage API If the app is not running it will launch it via Client.openWindow…
Chrome Extension – Getting CORS error when trying to fetch() from background script with manifest v3
I’m getting a CORS error when I try to do a request from my Chrome Extensions’s background script. The background script is bundled with webpack. Note: If I convert manifest.json to version 2 – all works fine. But with v3 it gives Access to fetch at ‘https://example.com/api/user/login&…
ReactJS ServiceWorker storing the same code in multiple cache files
I am trying to add a serviceworker to an existing React app with this filesystem layout: Filesystem Basically a bit of initialization code is stored in the public folder, and all code of importance is in the src folder. In the serviceWorker.js file, I made an array of filenames to cache and call that array in…