Almost all developers here are Mac users 😁. Generally, by default, Mac OS file system is case insensitive. Hence, the following line in a Typescsript file, import { switchMap } from 'rxjs/Operators/switchMap'; would not throw any error if you build the Angular project with command ng build --prod on Mac OS.

Earlier, with AngularJs, we were using Gettext-translate [https://angular-gettext.rocketeer.be/]. Now, we have shifted to angular and it has Angular-i18n [https://angular.io/guide/i18n] lib for translations. But unfortunately, it has a different workflow than what we were using with Gettext-translate. Due to follwoing reasons, we have decided