CLI helper program to automatically extract bare text strings from your app into Rails I18n yml interactively.

Supports at the moment: SLIM, Erb, Ruby-files (controllers, model, errors etc.) and Vue-PUG templates.

https://github.com/pludoni/extract_i18n

or read my post about development and i18n extraction process:

https://dev.to/zealot128/internationalize-a-medium-rails-app-with-vue-frontend-effectively-with-tooling-4eo6