Support Rails 6

Add custom scaffold generator that is same as the one inside the Rails 7
in order to make this work with Rails 6.

Author: dixpac

.gitignore

@@ -11,4 +11,5 @@
 /node_modules
 .byebug_history
 *.gem
-.idea/
+.idea/
+**/tmp/

lib/generators/tailwindcss/scaffold/scaffold_generator.rb

@@ -0,0 +1,34 @@
+require 'rails/generators/erb/scaffold/scaffold_generator'
+require "rails/generators/resource_helpers"
+
+module Tailwindcss
+  module Generators
+    class ScaffoldGenerator < Erb::Generators::ScaffoldGenerator
+      include Rails::Generators::ResourceHelpers
+
+      source_root File.expand_path("../templates", __FILE__)
+
+      argument :attributes, type: :array, default: [], banner: "field:type field:type"
+
+      def create_root_folder
+        empty_directory File.join("app/views", controller_file_path)
+      end
+
+      def copy_view_files
+        available_views.each do |view|
+          formats.each do |format|
+            filename = filename_with_extensions(view, format)
+            template filename, File.join("app/views", controller_file_path, filename)
+          end
+        end
+
+        template "partial.html.erb", File.join("app/views", controller_file_path, "_#{singular_table_name}.html.erb")
+      end
+
+      private
+        def available_views
+          %w(index edit show new _form)
+        end
+    end
+  end
+end

lib/templates/erb/scaffold/_form.html.erb.tt renamed to lib/generators/tailwindcss/scaffold/templates/_form.html.erb.tt

@@ -5,4 +5,4 @@
 
   <%%= link_to "Show this <%= human_name.downcase %>", @<%= singular_table_name %>, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
   <%%= link_to "Back to <%= human_name.pluralize.downcase %>", <%= index_helper %>_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
-</div>
+</div>

lib/templates/erb/scaffold/edit.html.erb.tt renamed to lib/generators/tailwindcss/scaffold/templates/edit.html.erb.tt

@@ -4,4 +4,4 @@
   <%%= render "form", <%= singular_table_name %>: @<%= singular_table_name %> %>
 
   <%%= link_to 'Back to <%= human_name.pluralize.downcase %>', <%= index_helper %>_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
-</div>
+</div>

lib/templates/erb/scaffold/index.html.erb.tt renamed to lib/generators/tailwindcss/scaffold/templates/index.html.erb.tt

@@ -19,4 +19,4 @@
     <%%= link_to 'Edit this <%= human_name.downcase %>', edit_<%= singular_table_name %>_path(<%= singular_table_name %>), class: "rounded-lg py-3 ml-2 px-5 bg-gray-100 inline-block font-medium" %>
     <hr class="mt-6">
   <%% end %>
-</div>
+</div>

lib/templates/erb/scaffold/new.html.erb.tt renamed to lib/generators/tailwindcss/scaffold/templates/new.html.erb.tt

@@ -20,8 +20,9 @@ class Engine < ::Rails::Engine
       end if Rails.env.production?
     end
 
-    config.app_generators do |g|
-      g.templates.unshift File::expand_path('../../templates', __FILE__)
-    end
+     config.app_generators do |g|
+       #g.templates.unshift File::expand_path('../../templates', __FILE__)
+       g.template_engine :tailwindcss
+     end
   end
 end

lib/templates/erb/scaffold/partial.html.erb.tt renamed to lib/generators/tailwindcss/scaffold/templates/partial.html.erb.tt

@@ -0,0 +1,21 @@
+require "test_helper"
+require "generators/tailwindcss/scaffold/scaffold_generator"
+
+class Tailwindcss::Generators::ScaffoldGeneratorTest < Rails::Generators::TestCase
+  GENERATION_PATH = File.expand_path("../tmp", File.dirname(__FILE__))
+
+  tests Tailwindcss::Generators::ScaffoldGenerator
+  destination GENERATION_PATH
+
+  arguments %w(message title:string content:text)
+
+  Minitest.after_run do
+    FileUtils.rm_rf GENERATION_PATH
+  end
+
+  test "generates correct view templates" do
+    run_generator
+
+    %w(index edit new show _form _message).each { |view| assert_file "app/views/messages/#{view}.html.erb" }
+  end
+end

lib/templates/erb/scaffold/show.html.erb.tt renamed to lib/generators/tailwindcss/scaffold/templates/show.html.erb.tt

@@ -7,5 +7,5 @@
 require_relative "../lib/tailwindcss-rails"
 
 require "rails/test_unit/reporter"
-Rails::TestUnitReporter.executable = 'bin/test'
+Rails::TestUnitReporter.executable = "bin/test"