UJS in Rails 7

How to use UJS in rails 7

To add rails-ujs to Rails 7 you should to do following steps:

1. Pin it, to let the application know, which package to use. Enter in bash: ./bin/importmap pin @rails/ujs
2. And now you have in your config/importmap.rb file something like this: pin "@rails/ujs", to: "https://ga.jspm.io/npm:@rails/ujs@7.0.1/lib/assets/compiled/rails-ujs.js"
3. Now include @rails/ujs to your javascript. In file javascript/controllers/application.js add:

   import Rails from '@rails/ujs';
   Rails.start();
   

4. Restart your application server