# Install Shakapacker copy_file "#{__dir__}/config/shakapacker.yml", "config/shakapacker.yml" copy_file "#{__dir__}/package.json", "package.json" say "Copying webpack core config" directory "#{__dir__}/config/webpack", "config/webpack" if Dir.exist?(Shakapacker.config.source_path) say "The packs app source directory already exists" else say "Creating packs app source directory" empty_directory "app/javascript" copy_file "#{__dir__}/application.js", "app/javascript/application.js" end apply "#{__dir__}/binstubs.rb" git_ignore_path = Rails.root.join(".gitignore") if File.exist?(git_ignore_path) append_to_file git_ignore_path do "\n" + "/public/packs\n" + "/public/packs-test\n" + "/node_modules\n" + "/yarn-error.log\n" + "yarn-debug.log*\n" + ".yarn-integrity\n" end end if (app_layout_path = Rails.root.join("app/views/layouts/application.html.erb")).exist? say "Add JavaScript include tag in application layout" insert_into_file app_layout_path.to_s, %(\n <%= javascript_pack_tag "application" %>), before: /\s*<\/head>/ else say "Default application.html.erb is missing!", :red say %( Add <%= javascript_pack_tag "application" %> within the tag in your custom layout.) end # Ensure there is `system!("bin/yarn")` command in `./bin/setup` file if (setup_path = Rails.root.join("bin/setup")).exist? say "Run bin/yarn during bin/setup" if File.read(setup_path).match? Regexp.escape(" # system('bin/yarn')\n") gsub_file(setup_path, "# system('bin/yarn')", "system!('bin/yarn')") else # Due to the inconsistency of quotation usage in Rails 7 compared to # earlier versions, we check both single and double quotations here. pattern = /system$['"]bundle check['"]$ \|\| system!$['"]bundle install['"]$\n/ string_to_add = <<-RUBY # Install JavaScript dependencies system!("bin/yarn") RUBY if File.read(setup_path).match? pattern insert_into_file(setup_path, string_to_add, after: pattern) else say <<~MSG, :red It seems your `bin/setup` file doesn't have the expected content. Please review the file and manually add `system!("bin/yarn")` before any other command that requires JavaScript dependencies being already installed. MSG end end end results = [] Dir.chdir(Rails.root) do if Shakapacker::VERSION.match?(/^[0-9]+\.[0-9]+\.[0-9]+$/) say "Installing shakapacker@#{Shakapacker::VERSION}" results << run("yarn add shakapacker@#{Shakapacker::VERSION} --exact") else say "Installing shakapacker@next" results << run("yarn add shakapacker@next --exact") end package_json = File.read("#{__dir__}/../../package.json") peers = JSON.parse(package_json)["peerDependencies"] peers_to_add = peers.reduce([]) do |result, (package, version)| major_version = version.match(/(\d+)/)[1] result << "#{package}@#{major_version}" end.join(" ") say "Adding shakapacker peerDependencies" results << run("yarn add #{peers_to_add}") say "Installing webpack-dev-server for live reloading as a development dependency" results << run("yarn add --dev webpack-dev-server") end unless results.all? say "Shakapacker installation failed 😭 See above for details.", :red exit 1 end