Let the templates generator generate 100% compatible Haml templates with the Rails' original ERB templates

lib/generators/haml/scaffold/scaffold_generator.rb

@@ -5,31 +5,44 @@ module Generators
     class ScaffoldGenerator < Erb::Generators::ScaffoldGenerator
       source_root File.expand_path("../templates", __FILE__)
 
+      argument :attributes, type: :array, default: [], banner: "field:type field:type"
+
+      hook_for :form_builder, :as => :scaffold
+
       def copy_view_files
         available_views.each do |view|
-          filename = filename_with_extensions(view)
-          template "#{view}.html.haml", File.join("app/views", controller_file_path, filename)
-        end
-      end
+          next if (view == '_form') && !options[:form_builder].nil?
 
-      hook_for :form_builder, :as => :scaffold
+          template_filename = find_template_for_rails_version view
+          filename = filename_with_extensions view
 
-      def copy_form_file
-        if options[:form_builder].nil?
-          filename = filename_with_extensions("_form")
-          template "_form.html.haml", File.join("app/views", controller_file_path, filename)
+          template template_filename, File.join('app/views', controller_file_path, filename)
+        end
+
+        if ::Rails::VERSION::MAJOR >= 7
+          template find_template_for_rails_version('partial'), File.join('app/views', controller_file_path, "_#{singular_name}.html.haml")
         end
       end
 
       private
 
       def available_views
-        %w(index edit show new)
+        %w(index edit show new _form)
       end
 
       def handler
         :haml
       end
+
+      def find_template_for_rails_version(view)
+        find_in_source_paths "#{rails_version}/#{view}.html.haml"
+      rescue Thor::Error
+        "#{view}.html.haml"
+      end
+
+      def rails_version
+        @rails_version ||= "#{::Rails::VERSION::MAJOR}_#{::Rails::VERSION::MINOR}"
+      end
     end
   end
 end

lib/generators/haml/scaffold/templates/5_1/_form.html.haml

@@ -0,0 +1,26 @@
+= form_with(model: <%= singular_table_name %>, local: true) do |form|
+  - if <%= singular_table_name %>.errors.any?
+    %div{id: "error_explanation"}
+      %h2= "#{pluralize(<%= singular_table_name %>.errors.count, "error")} prohibited this <%= singular_table_name %> from being saved:"
+
+      %ul
+        - <%= singular_table_name %>.errors.full_messages.each do |message|
+          %li= message
+
+<% attributes.each do |attribute| -%>
+  %div{class: "field"}
+<% if attribute.password_digest? -%>
+    = form.label :password
+    = form.password_field :password, id: :<%= field_id(:password) %>
+
+  %div{class: "field"}
+    = form.label :password_confirmation
+    = form.password_field :password_confirmation, id: :<%= field_id(:password_confirmation) %>
+<% else -%>
+    = form.label :<%= attribute.column_name %>
+    = form.<%= attribute.field_type %> :<%= attribute.column_name %>, id: :<%= field_id(attribute.column_name) %>
+<% end -%>
+
+<% end -%>
+  %div{class: "actions"}
+    = form.submit

lib/generators/haml/scaffold/templates/5_1/edit.html.haml

@@ -0,0 +1,7 @@
+%h1 Editing <%= singular_table_name.titleize %>
+
+= render 'form', <%= singular_table_name %>: @<%= singular_table_name %>
+
+= link_to 'Show', @<%= singular_table_name %>
+|
+= link_to 'Back', <%= index_helper %>_path

lib/generators/haml/scaffold/templates/5_1/index.html.haml

@@ -0,0 +1,25 @@
+%p{id: "notice"}= notice
+
+%h1 <%= plural_table_name.titleize %>
+
+%table
+  %thead
+    %tr
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+      %th <%= attribute.human_name %>
+<% end -%>
+      %th{colspan: "3"}
+
+  %tbody
+    - @<%= plural_table_name %>.each do |<%= singular_table_name %>|
+      %tr
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+        %td= <%= singular_table_name %>.<%= attribute.name %>
+<% end -%>
+        %td= link_to 'Show', <%= singular_table_name %>
+        %td= link_to 'Edit', edit_<%= singular_table_name %>_path(<%= singular_table_name %>)
+        %td= link_to 'Destroy', <%= singular_table_name %>, method: :delete, data: { confirm: 'Are you sure?' }
+
+%br
+
+= link_to 'New <%= singular_table_name.titleize %>', new_<%= singular_table_name %>_path

lib/generators/haml/scaffold/templates/5_1/new.html.haml

@@ -0,0 +1,5 @@
+%h1 New <%= singular_table_name.titleize %>
+
+= render 'form', <%= singular_table_name %>: @<%= singular_table_name %>
+
+= link_to 'Back', <%= index_helper %>_path

lib/generators/haml/scaffold/templates/5_1/show.html.haml

@@ -0,0 +1,11 @@
+%p{id: "notice"}= notice
+
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+%p
+  %strong <%= attribute.human_name %>:
+  = @<%= singular_table_name %>.<%= attribute.name %>
+
+<% end -%>
+= link_to 'Edit', edit_<%= singular_table_name %>_path(@<%= singular_table_name %>)
+|
+= link_to 'Back', <%= index_helper %>_path

lib/generators/haml/scaffold/templates/5_2/_form.html.haml

@@ -0,0 +1,26 @@
+= form_with(model: <%= model_resource_name %>, local: true) do |form|
+  - if <%= singular_table_name %>.errors.any?
+    %div{id: "error_explanation"}
+      %h2= "#{pluralize(<%= singular_table_name %>.errors.count, "error")} prohibited this <%= singular_table_name %> from being saved:"
+
+      %ul
+        - <%= singular_table_name %>.errors.full_messages.each do |message|
+          %li= message
+
+<% attributes.each do |attribute| -%>
+  %div{class: "field"}
+<% if attribute.password_digest? -%>
+    = form.label :password
+    = form.password_field :password
+
+  %div{class: "field"}
+    = form.label :password_confirmation
+    = form.password_field :password_confirmation
+<% else -%>
+    = form.label :<%= attribute.column_name %>
+    = form.<%= attribute.field_type %> :<%= attribute.column_name %>
+<% end -%>
+
+<% end -%>
+  %div{class: "actions"}
+    = form.submit

lib/generators/haml/scaffold/templates/5_2/edit.html.haml

@@ -0,0 +1,7 @@
+%h1 Editing <%= singular_table_name.titleize %>
+
+= render 'form', <%= singular_table_name %>: @<%= singular_table_name %>
+
+= link_to 'Show', @<%= singular_table_name %>
+|
+= link_to 'Back', <%= index_helper %>_path

lib/generators/haml/scaffold/templates/5_2/index.html.haml

@@ -0,0 +1,25 @@
+%p{id: "notice"}= notice
+
+%h1 <%= plural_table_name.titleize %>
+
+%table
+  %thead
+    %tr
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+      %th <%= attribute.human_name %>
+<% end -%>
+      %th{colspan: "3"}
+
+  %tbody
+    - @<%= plural_table_name %>.each do |<%= singular_table_name %>|
+      %tr
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+        %td= <%= singular_table_name %>.<%= attribute.name %>
+<% end -%>
+        %td= link_to 'Show', <%= model_resource_name %>
+        %td= link_to 'Edit', edit_<%= singular_route_name %>_path(<%= singular_table_name %>)
+        %td= link_to 'Destroy', <%= model_resource_name %>, method: :delete, data: { confirm: 'Are you sure?' }
+
+%br
+
+= link_to 'New <%= singular_table_name.titleize %>', new_<%= singular_route_name %>_path

lib/generators/haml/scaffold/templates/5_2/new.html.haml

@@ -0,0 +1,5 @@
+%h1 New <%= singular_table_name.titleize %>
+
+= render 'form', <%= singular_table_name %>: @<%= singular_table_name %>
+
+= link_to 'Back', <%= index_helper %>_path

lib/generators/haml/scaffold/templates/5_2/show.html.haml

@@ -0,0 +1,11 @@
+%p{id: "notice"}= notice
+
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+%p
+  %strong <%= attribute.human_name %>:
+  = @<%= singular_table_name %>.<%= attribute.name %>
+
+<% end -%>
+= link_to 'Edit', edit_<%= singular_table_name %>_path(@<%= singular_table_name %>)
+|
+= link_to 'Back', <%= index_helper %>_path

lib/generators/haml/scaffold/templates/6_0/_form.html.haml

@@ -0,0 +1,29 @@
+= form_with(model: <%= model_resource_name %>, local: true) do |form|
+  - if <%= singular_table_name %>.errors.any?
+    %div{id: "error_explanation"}
+      %h2= "#{pluralize(<%= singular_table_name %>.errors.count, "error")} prohibited this <%= singular_table_name %> from being saved:"
+
+      %ul
+        - <%= singular_table_name %>.errors.full_messages.each do |message|
+          %li= message
+
+<% attributes.each do |attribute| -%>
+  %div{class: "field"}
+<% if attribute.password_digest? -%>
+    = form.label :password
+    = form.password_field :password
+
+  %div{class: "field"}
+    = form.label :password_confirmation
+    = form.password_field :password_confirmation
+<% elsif attribute.attachments? -%>
+    = form.label :<%= attribute.column_name %>
+    = form.<%= attribute.field_type %> :<%= attribute.column_name %>, multiple: true
+<% else -%>
+    = form.label :<%= attribute.column_name %>
+    = form.<%= attribute.field_type %> :<%= attribute.column_name %>
+<% end -%>
+
+<% end -%>
+  %div{class: "actions"}
+    = form.submit

lib/generators/haml/scaffold/templates/6_0/edit.html.haml

@@ -0,0 +1,7 @@
+%h1 Editing <%= singular_table_name.titleize %>
+
+= render 'form', <%= singular_table_name %>: @<%= singular_table_name %>
+
+= link_to 'Show', @<%= singular_table_name %>
+|
+= link_to 'Back', <%= index_helper %>_path

lib/generators/haml/scaffold/templates/6_0/index.html.haml

@@ -0,0 +1,25 @@
+%p{id: "notice"}= notice
+
+%h1 <%= plural_table_name.titleize %>
+
+%table
+  %thead
+    %tr
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+      %th <%= attribute.human_name %>
+<% end -%>
+      %th{colspan: "3"}
+
+  %tbody
+    - @<%= plural_table_name %>.each do |<%= singular_table_name %>|
+      %tr
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+        %td= <%= singular_table_name %>.<%= attribute.column_name %>
+<% end -%>
+        %td= link_to 'Show', <%= model_resource_name %>
+        %td= link_to 'Edit', edit_<%= singular_route_name %>_path(<%= singular_table_name %>)
+        %td= link_to 'Destroy', <%= model_resource_name %>, method: :delete, data: { confirm: 'Are you sure?' }
+
+%br
+
+= link_to 'New <%= singular_table_name.titleize %>', new_<%= singular_route_name %>_path

lib/generators/haml/scaffold/templates/6_0/new.html.haml

@@ -0,0 +1,5 @@
+%h1 New <%= singular_table_name.titleize %>
+
+= render 'form', <%= singular_table_name %>: @<%= singular_table_name %>
+
+= link_to 'Back', <%= index_helper %>_path

lib/generators/haml/scaffold/templates/6_0/show.html.haml

@@ -0,0 +1,18 @@
+%p{id: "notice"}= notice
+
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+%p
+  %strong <%= attribute.human_name %>:
+<% if attribute.attachment? -%>
+  = link_to @<%= singular_table_name %>.<%= attribute.column_name %>.filename, @<%= singular_table_name %>.<%= attribute.column_name %> if @<%= singular_table_name %>.<%= attribute.column_name %>.attached?
+<% elsif attribute.attachments? -%>
+  - @<%= singular_table_name %>.<%= attribute.column_name %>.each do |<%= attribute.singular_name %>|
+    %div= link_to <%= attribute.singular_name %>.filename, <%= attribute.singular_name %>
+<% else -%>
+  = @<%= singular_table_name %>.<%= attribute.column_name %>
+<% end -%>
+
+<% end -%>
+= link_to 'Edit', edit_<%= singular_table_name %>_path(@<%= singular_table_name %>)
+|
+= link_to 'Back', <%= index_helper %>_path

lib/generators/haml/scaffold/templates/6_1/_form.html.haml

@@ -0,0 +1,29 @@
+= form_with(model: <%= model_resource_name %>) do |form|
+  - if <%= singular_table_name %>.errors.any?
+    %div{id: "error_explanation"}
+      %h2= "#{pluralize(<%= singular_table_name %>.errors.count, "error")} prohibited this <%= singular_table_name %> from being saved:"
+
+      %ul
+        - <%= singular_table_name %>.errors.each do |error|
+          %li= error.full_message
+
+<% attributes.each do |attribute| -%>
+  %div{class: "field"}
+<% if attribute.password_digest? -%>
+    = form.label :password
+    = form.password_field :password
+
+  %div{class: "field"}
+    = form.label :password_confirmation
+    = form.password_field :password_confirmation
+<% elsif attribute.attachments? -%>
+    = form.label :<%= attribute.column_name %>
+    = form.<%= attribute.field_type %> :<%= attribute.column_name %>, multiple: true
+<% else -%>
+    = form.label :<%= attribute.column_name %>
+    = form.<%= attribute.field_type %> :<%= attribute.column_name %>
+<% end -%>
+
+<% end -%>
+  %div{class: "actions"}
+    = form.submit

lib/generators/haml/scaffold/templates/6_1/edit.html.haml

@@ -0,0 +1,7 @@
+%h1 Editing <%= singular_table_name.titleize %>
+
+= render 'form', <%= singular_table_name %>: @<%= singular_table_name %>
+
+= link_to 'Show', @<%= singular_table_name %>
+|
+= link_to 'Back', <%= index_helper %>_path

lib/generators/haml/scaffold/templates/6_1/index.html.haml

@@ -0,0 +1,25 @@
+%p{id: "notice"}= notice
+
+%h1 <%= plural_table_name.titleize %>
+
+%table
+  %thead
+    %tr
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+      %th <%= attribute.human_name %>
+<% end -%>
+      %th{colspan: "3"}
+
+  %tbody
+    - @<%= plural_table_name %>.each do |<%= singular_table_name %>|
+      %tr
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+        %td= <%= singular_table_name %>.<%= attribute.column_name %>
+<% end -%>
+        %td= link_to 'Show', <%= model_resource_name %>
+        %td= link_to 'Edit', edit_<%= singular_route_name %>_path(<%= singular_table_name %>)
+        %td= link_to 'Destroy', <%= model_resource_name %>, method: :delete, data: { confirm: 'Are you sure?' }
+
+%br
+
+= link_to 'New <%= singular_table_name.titleize %>', new_<%= singular_route_name %>_path

lib/generators/haml/scaffold/templates/6_1/new.html.haml

@@ -0,0 +1,5 @@
+%h1 New <%= singular_table_name.titleize %>
+
+= render 'form', <%= singular_table_name %>: @<%= singular_table_name %>
+
+= link_to 'Back', <%= index_helper %>_path

lib/generators/haml/scaffold/templates/6_1/show.html.haml

@@ -0,0 +1,18 @@
+%p{id: "notice"}= notice
+
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+%p
+  %strong <%= attribute.human_name %>:
+<% if attribute.attachment? -%>
+  = link_to @<%= singular_table_name %>.<%= attribute.column_name %>.filename, @<%= singular_table_name %>.<%= attribute.column_name %> if @<%= singular_table_name %>.<%= attribute.column_name %>.attached?
+<% elsif attribute.attachments? -%>
+  - @<%= singular_table_name %>.<%= attribute.column_name %>.each do |<%= attribute.singular_name %>|
+    %div= link_to <%= attribute.singular_name %>.filename, <%= attribute.singular_name %>
+<% else -%>
+  = @<%= singular_table_name %>.<%= attribute.column_name %>
+<% end -%>
+
+<% end -%>
+= link_to 'Edit', edit_<%= singular_table_name %>_path(@<%= singular_table_name %>)
+|
+= link_to 'Back', <%= index_helper %>_path