Blank page and error in Theme Admin

[merefield (Robert)]

I’ve managed to reproduce this on two entirely different machines and dev installs.

Steps to reproduce:

1.Start Discourse locally with: EMBER_ENV=production bin/ember-cli -u (though Ember ENV doesn’t seem to change things here)
2. Ensure there are no third party plugins or Theme Components installed.
3. Navigate to Admin → Customize → Theme
4. Create New Theme Component
5. Attempt to add some CSS
6. This results in blank page and this error in the console:

Error: ember-computed-decorators does not support using getters and setters

https://github.com/discourse/discourse/commit/a433b30650d125e6685fb13f679f613003f246aa

@David if I check out just before this, everything is fine …

[merefield (Robert)]

Think I’ve found the offending line:

app/assets/javascripts/admin/addon/components/admin-theme-editor.js

[david (David Taylor)]

Thanks @merefield - should be fixed by

https://github.com/discourse/discourse/commit/ad0fd9919b7431ebcee2361647cd9955f7705f91

[albjeremias (Albatroz Jeremias)]

any workaround for now?

[david (David Taylor)]

The fix is live now. If you updated your site during the hours when it was broken, you’ll need to run another update now to get things working again.

[albjeremias (Albatroz Jeremias)]

yep. i did it one hour ago.. didn’t known it worked like this. thanks.

[merefield (Robert)]

thanks @David … I was in the process of creating a PR, but appreciate the rapid response, you’ve saved me lots of time: it would have certainly taken me longer!