The source of all the errors is that first “unexpected token ‘:’” in vendor.js. I’ll be quite surprised if our build pipeline produced an invalid JS file. So I wonder if this is a problem with the CDN modifying (or ‘optimizing’) the JS? 
We’ve seen similar problems before with Cloudflare JS optimisations. It doesn’t look like this particular one is cloudflare, but if things still don’t work after a rebuild then I think it’d be worth checking if the CDN has any kind of optimisation features enabled.