setup_react_sprockets

in lib/generators/react/install_generator.rb [74:95]

• 18 lines of code
• 4 McCabe index (conditional complexity)

      def setup_react_sprockets
        require_react = "//= require react\n//= require react_ujs\n//= require components\n"

        if manifest.exist?
          manifest_contents = File.read(manifest)

          if match = manifest_contents.match(/\/\/=\s+require\s+turbolinks\s+\n/)
            inject_into_file manifest, require_react, { after: match[0] }
          elsif match = manifest_contents.match(/\/\/=\s+require_tree[^\n]*/)
            inject_into_file manifest, require_react, { before: match[0] }
          else
            append_file manifest, require_react
          end
        else
          create_file manifest, require_react
        end

        components_js = "//= require_tree ./components\n"
        components_file = File.join(javascript_dir, 'components.js')
        create_file components_file, components_js
      end