Prepare for ViewComponents

Gemfile

@@ -56,6 +56,12 @@ gem("sassc-rails")
 # https://github.com/hotwired/stimulus-rails/issues/108
 gem("sprockets", "~>4.2.1")
 
+# ViewComponents for separation of concerns and much faster template rendering
+gem("view_component")
+# Improved defaults for ViewComponents
+# https://evilmartians.com/chronicles/viewcomponent-in-the-wild-supercharging-your-components
+gem("view_component-contrib")
+
 # Security fix updates via Dependabot
 # CVE-2021-41817 regex denial of service vulnerability
 gem("date", ">= 3.2.1")
@@ -231,3 +237,5 @@ group :production do
   # https://newrelic.com/
   gem("newrelic_rpm")
 end
+
+gem "dry-initializer", "~> 3.1"

Gemfile.lock

@@ -99,6 +99,7 @@ GEM
       irb (~> 1.10)
       reline (>= 0.3.8)
     docile (1.4.0)
+    dry-initializer (3.1.1)
     erubi (1.12.0)
     execjs (2.9.1)
     fastimage (2.3.0)
@@ -234,6 +235,7 @@ GEM
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)
       rubocop-ast (>= 1.30.0, < 2.0)
+    ruby-next-core (1.0.0)
     ruby-progressbar (1.13.0)
     rubyzip (2.3.2)
     sassc (2.4.0)
@@ -281,6 +283,13 @@ GEM
       kgio (~> 2.6)
       raindrops (~> 0.7)
     uniform_notifier (1.16.0)
+    view_component (3.8.0)
+      activesupport (>= 5.2.0, < 8.0)
+      concurrent-ruby (~> 1.0)
+      method_source (~> 1.0)
+    view_component-contrib (0.2.2)
+      ruby-next-core (>= 0.15.0)
+      view_component
     web-console (4.2.1)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
@@ -333,6 +342,7 @@ DEPENDENCIES
   database_cleaner-active_record
   date (>= 3.2.1)
   debug (>= 1.0.0)
+  dry-initializer (~> 3.1)
   fastimage
   i18n
   importmap-rails
@@ -370,6 +380,8 @@ DEPENDENCIES
   terser
   turbo-rails
   unicorn
+  view_component
+  view_component-contrib
   web-console
   webmock
   xmlrpc

app/controllers/application_controller.rb

@@ -99,6 +99,9 @@ class ApplicationController < ActionController::Base
   require "csv"
   include LoginSystem
 
+  # Allow folder organization in the app/views folder
+  append_view_path Rails.root.join("app/views/controllers")
+
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.
   protect_from_forgery with: :exception

app/helpers/application_helper.rb

@@ -165,4 +165,10 @@ def get_next_id(object)
 
     query.result_ids[idx + 1] || query.result_ids[idx - 1]
   end
+
+  # make View components easier to call
+  def component(name, *args, **kwargs, &block)
+    component = name.to_s.camelize.constantize::Component
+    render(component.new(*args, **kwargs), &block)
+  end
 end

app/mailers/application_mailer.rb

@@ -15,6 +15,9 @@
 
 #  Base class for mailers for each type of email
 class ApplicationMailer < ActionMailer::Base
+  # Allow folder organization in the app/views folder
+  append_view_path Rails.root.join("app/views/mailers")
+
   # Use native Ruby URI::MailTo class
   def self.valid_email_address?(address)
     address.to_s.match?(URI::MailTo::EMAIL_REGEXP)

app/views/components/application_view_component.rb

@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+class ApplicationViewComponent < ViewComponentContrib::Base
+  extend Dry::Initializer
+end

app/views/components/application_view_component_preview.rb

@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+class ApplicationViewComponentPreview < ViewComponentContrib::Preview::Base
+  self.abstract_class = true
+end