Making an application in multiple languages is already such a complex and tedious task that you shouldn't have to worry about all of the technical details. It should all be handled by your framework. Angular is finally catching up on the essential i18n features that you need for your applications and libraries. I will show you the new and upcoming features of Angular v5 and explain the challenges that it will solve for you.
Olivier is a member of the Angular Core team and works on i18n. He is a passionate front-end engineer who loves interacting with the community by doing open source projects (ocLazyLoad, ngx-translate), being a panellist at Angular-Air, giving talks or just chatting on Twitter and Slack.