basic-rails/app/javascript/application.js

// Configure your import map in config/importmap.rb. Read more: https://github.com/rails/importmap-rails
import "@hotwired/turbo-rails"
import "controllers"

// The two following lines disable Turbo on the whole application
// import { Turbo } from "@hotwired/turbo-rails"
// Turbo.session.drive = false