Chromecast crashes when using serviceWorkers?

Are serviceWorkers disabled on the chromecast, the app instantly crashed when called:

try {
    if ('serviceWorker' in navigator) {
        navigator.serviceWorker.getRegistrations().then(function(registrations) {
            for(let registration of registrations) {  
                registration.unregister();
                console.log('Unregister', registration)
            }
    	})
        navigator.serviceWorker.register('sw.js', {scope: './'}).then(function() {
          console.log('Success!')
        }).catch(function(err) {
            console.log(err);
        });
    } else {
        console.log('Service worker not supported')
    }
} catch (err) {
	console.log(err)
}

[joeyparrish]

Yes, all of our networking capabilities are in terms of our plugin interface. For example, see:

• https://github.com/google/shaka-player/blob/master/lib/net/http_fetch_plugin.js
• https://github.com/google/shaka-player/blob/master/lib/net/data_uri_plugin.js

Those are implementations of the scheme plugin interface for http/https and data URIs respectively.

[Fenny]

@joeyparrish , unfortunately nobody responded to the issue yet. https://issuetracker.google.com/issues/143057613 https://support.google.com/chromecast/thread/17509737?hl=en

To make sure it’s not on my end, I looked for multiple receiver snippets on github that also used service workers. I tried to run them on my receiver and I can confirm they also crashed, the newest repository using service workers on a receiver was 12 months old.

You said in issue 2205

I don’t believe Google removed service workers. They are still working in the Shaka Player Demo.

Can you confirm that shaka player executes the

navigator.serviceWorker.register()

function on the receiver end?

If this is the case, this means it’s not the actual function call that makes the chromecast crash.

I also found this on the chromium forum, I’m not sure if it has anything to do with the serviceWorker support on the chromecast:

Chromecast devtools API fixes. (issue 505393002) Side by Side Diff: chromecast/shell/browser/devtools/cast_dev_tools_delegate.cc

I’m not giving up 😉, maybe you could shine some extra light on this matter.