# Assets ## JavaScript `--skip-javascript [-J]` ```markup <%= javascript_pack_tag 'application', 'data-turbolinks-track': 'reload' %> ``` ```ruby # bin/setup FileUtils.chdir APP_ROOT do # Install JavaScript dependencies # system('bin/yarn') end ``` ```ruby # bin/yarn #!/usr/bin/env ruby APP_ROOT = File.expand_path('..', __dir__) Dir.chdir(APP_ROOT) do begin exec 'yarnpkg', *ARGV rescue Errno::ENOENT $stderr.puts 'Yarn executable was not detected in the system.' $stderr.puts 'Download Yarn at https://yarnpkg.com/en/docs/install' exit 1 end end ``` ```ruby # config/initializers/assets.rb Rails.application.config.assets.paths << Rails.root.join('node_modules') ``` ```ruby # config/initializers/content_security_policy.rb # Rails.application.config.content_security_policy do |policy| # policy.connect_src :self, :https, 'http://localhost:3035', 'ws://localhost:3035' if Rails.env.development? # end ``` ```ruby # Gemfile gem 'turbolinks', '~> 5' gem 'webpacker', '~> 4.0' ``` ```javascript // package.json { "name": "my_app", "private": true, "dependencies": { "@rails/actioncable": "^6.0.0", "@rails/activestorage": "^6.0.0", "@rails/ujs": "^6.0.0", "@rails/webpacker": "4.2.2", "turbolinks": "^5.2.0" }, "version": "0.1.0", "devDependencies": { "webpack-dev-server": "^3.10.3" } } ``` ## Sprockets `--skip-sprockets [-S]` ```ruby # config/application.rb require 'sprockets/railtie' ``` ```ruby # config/environments/development.rb class Application < Rails::Application config.assets.debug = true config.assets.quiet = true end ``` ```ruby # config/environments/production.rb class Application < Rails::Application config.assets.compile = false end ``` ```ruby # config/initializers/assets.rb Rails.application.config.assets.version = '1.0' Rails.application.config.assets.paths << Rails.root.join('node_modules') ``` ```ruby # Gemfile gem 'sass-rails', '>= 6' ``` ## Turbolinks `--skip-turbolinks` ```javascript // app/javascript/packs/application.js require('turbolinks').start() ``` ```markup <%= stylesheet_link_tag 'application', 'data-turbolinks-track': 'reload', media: 'all' %> <%= javascript_pack_tag 'application', 'data-turbolinks-track': 'reload' %> ``` ```ruby # Gemfile gem 'turbolinks', '~> 5' ``` ```javascript // package.json { "dependencies": { "turbolinks": "^5.2.0" } } ``` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.alistairtweed.com/rails/minimal-rails/assets.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.