install_generator_base.rb in rails-hyperstack-1.0.alpha1.5

- old
+ new
@@ -4,14 +4,90 @@
   module Generators
     class Base < Thor::Group
 
       protected
 
+      def create_component_file(template)
+        clear_cache
+        insure_hyperstack_loader_installed
+        insure_base_component_class_exists
+        @no_help = options.key?('no-help')
+        self.components.each do |component|
+          component_array = component.split('::')
+          @modules = component_array[0..-2]
+          @file_name = component_array.last
+          @indent = 0
+          template template,
+                   File.join('app', 'hyperstack', 'components',
+                             *@modules.map(&:downcase),
+                             "#{@file_name.underscore}.rb")
+        end
+        add_route
+      end
+
+
+      def clear_cache
+        run 'rm -rf tmp/cache' unless Dir.exist?(File.join('app', 'hyperstack'))
+      end
+
+      def insure_hyperstack_loader_installed
+        application_js = File.join(
+          'app', 'assets', 'javascripts', 'application.js'
+        )
+        require_tree = %r{//=\s+require_tree\s+}
+        hyperstack_loader = %r{//=\s+require\s+hyperstack-loader\s+}
+        unless File.foreach(application_js).any? { |l| l =~ hyperstack_loader }
+          if File.foreach(application_js).any? { |l| l =~ require_tree }
+            inject_into_file 'app/assets/javascripts/application.js', before: require_tree do
+              "//= require hyperstack-loader\n"
+            end
+          else
+            puts " ***********************************************************\n"\
+                 " * Could not add `//= require hyperstack-loader` directive *\n"\
+                 " * to the app/assets/application.js file.                  *\n"\
+                 " * Normally this directive is added just before the        *\n"\
+                 " * `//= require_tree .` directive at the end of the file,  *\n"\
+                 " * but no require_tree directive was found.  You need to   *\n"\
+                 " * manually add `//= require hyperstack-loader` to the     *\n"\
+                 " * app/assets/application.js file.                         *\n"\
+                 " ***********************************************************\n"
+          end
+        end
+      end
+
+      def insure_base_component_class_exists
+        @component_base_class = options['base-class'] || Hyperstack.component_base_class
+        file_name = File.join(
+          'app', 'hyperstack', 'components', "#{@component_base_class.underscore}.rb"
+        )
+        template 'hyper_component_template.rb', file_name unless File.exist? file_name
+      end
+
       def add_to_manifest(manifest, &block)
-        if File.exists? "app/javascript/packs/#{manifest}"
+        if File.exist? "app/javascript/packs/#{manifest}"
           append_file "app/javascript/packs/#{manifest}", &block
         else
           create_file "app/javascript/packs/#{manifest}", &block
+        end
+      end
+
+      def add_route
+        return unless options['add-route']
+        if self.components.count > 1
+          puts " ***********************************************************\n"\
+               " * The add-route option ignored because more than one      *\n"\
+               " * component is being generated.                           *\n"\
+               " ***********************************************************\n"
+          return
+        end
+        action_name = (@modules+[@file_name.underscore]).join('__')
+        path = options['add-route'] == 'add-route' ? '/(*others)' : options['add-route']
+        routing_code = "get '#{path}', to: 'hyperstack##{action_name}'\n"
+        log :route, routing_code
+        [/mount\s+Hyperstack::Engine[^\n]+\n/m, /\.routes\.draw do\s*\n/m].each do |sentinel|
+          in_root do
+            inject_into_file 'config/routes.rb', routing_code.indent(2), after: sentinel, verbose: false, force: false
+          end
         end
       end
 
       def yarn(package, version = nil)
         return if system("yarn add #{package}#{'@' + version if version}")