Service Worker registration error: Unsupported MIME type ('text/html')

Question

I\'m using create-react-app with an express server.

create-react-app has a pre-configured ServiceWorker that caches local assets (https://github.com/fac

Answer 1

ServiceWorker supported MIME type are 'text/javascript', application/javascript and application/x-javascript. go to your server file and set

    response.writeHead(201, {
        'Content-Type': 'application/javascript'
    });