diff --git a/.rubocop.yml b/.rubocop.yml
index bc20f48..234c0c6 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -13,7 +13,7 @@ AllCops:
     - bin/*
     - gemfiles/*
     - spec/dummy/**/*
-    - lib/generators/**/*.rb
+    - lib/generators/smart_listing/templates/*.rb
 
 Gemspec/RequireMFA:
   Enabled: false
diff --git a/lib/generators/smart_listing/install_generator.rb b/lib/generators/smart_listing/install_generator.rb
index db28f84..18c427a 100644
--- a/lib/generators/smart_listing/install_generator.rb
+++ b/lib/generators/smart_listing/install_generator.rb
@@ -1,14 +1,18 @@
+# frozen_string_literal: true
+
+require 'rails/generators'
+
 module SmartListing
   module Generators
     class InstallGenerator < Rails::Generators::Base
-      source_root File.expand_path('../templates', __FILE__)
+      source_root File.expand_path('templates', __dir__)
 
-      def self.banner #:nodoc:
-        <<-BANNER.chomp
-rails g smart_listing:install
+      def self.banner # :nodoc:
+        <<~BANNER.chomp
+          rails g smart_listing:install
 
-    Copies initializer file
-BANNER
+            Copies initializer file
+        BANNER
       end
 
       desc ''
diff --git a/lib/generators/smart_listing/templates/initializer.rb b/lib/generators/smart_listing/templates/initializer.rb
index a2ba229..ae75b79 100644
--- a/lib/generators/smart_listing/templates/initializer.rb
+++ b/lib/generators/smart_listing/templates/initializer.rb
@@ -1,91 +1,93 @@
+# frozen_string_literal: true
+
 SmartListing.configure do |config|
   config.global_options({
-    #:param_names  => {                                              # param names
-      #:page                         => :page,
-      #:per_page                     => :per_page,
-      #:sort                         => :sort,
-    #},
-    #:array                          => false,                       # controls whether smart list should be using arrays or AR collections
-    #:max_count                      => nil,                         # limit number of rows
-    #:unlimited_per_page             => false,                       # allow infinite page size
-    #:paginate                       => true,                        # allow pagination
-    #:memorize_per_page              => false,                       # save per page settings in the cookie
-    #:page_sizes                     => DEFAULT_PAGE_SIZES,          # set available page sizes array
-    #:kaminari_options               => {:theme => "smart_listing"}, # Kaminari's paginate helper options
-    #:sort_dirs                      => [nil, "asc", "desc"],        # Default sorting directions cycle of sortables
+    # :param_names  => {                                              # param names
+      # :page                         => :page,
+      # :per_page                     => :per_page,
+      # :sort                         => :sort,
+    # },
+    # :array                          => false,                       # controls whether smart list should be using arrays or AR collections
+    # :max_count                      => nil,                         # limit number of rows
+    # :unlimited_per_page             => false,                       # allow infinite page size
+    # :paginate                       => true,                        # allow pagination
+    # :memorize_per_page              => false,                       # save per page settings in the cookie
+    # :page_sizes                     => DEFAULT_PAGE_SIZES,          # set available page sizes array
+    # :kaminari_options               => {:theme => "smart_listing"}, # Kaminari's paginate helper options
+    # :sort_dirs                      => [nil, "asc", "desc"],        # Default sorting directions cycle of sortables
   })
 
   config.constants :classes, {
-    #:main                  => "smart-listing",
-    #:editable              => "editable",
-    #:content               => "content",
-    #:loading               => "loading",
-    #:status                => "smart-listing-status",
-    #:item_actions          => "actions",
-    #:new_item_placeholder  => "new-item-placeholder",
-    #:new_item_action       => "new-item-action",
-    #:new_item_button       => "btn",
-    #:hidden                => "hidden",
-    #:autoselect            => "autoselect",
-    #:callback              => "callback",
-    #:pagination_wrapper    => "text-center",
-    #:pagination_container  => "pagination",
-    #:pagination_per_page   => "pagination-per-page text-center",
-    #:inline_editing        => "info",
-    #:no_records            => "no-records",
-    #:limit                 => "smart-listing-limit",
-    #:limit_alert           => "smart-listing-limit-alert",
-    #:controls              => "smart-listing-controls",
-    #:controls_reset        => "reset",
-    #:filtering             => "filter",
-    #:filtering_search      => "glyphicon-search",
-    #:filtering_cancel      => "glyphicon-remove",
-    #:filtering_disabled    => "disabled",
-    #:sortable              => "sortable",
-    #:icon_new              => "glyphicon glyphicon-plus",
-    #:icon_edit             => "glyphicon glyphicon-pencil",
-    #:icon_trash            => "glyphicon glyphicon-trash",
-    #:icon_inactive         => "glyphicon glyphicon-circle",
-    #:icon_show             => "glyphicon glyphicon-share-alt",
-    #:icon_sort_none        => "glyphicon glyphicon-resize-vertical",
-    #:icon_sort_up          => "glyphicon glyphicon-chevron-up",
-    #:icon_sort_down        => "glyphicon glyphicon-chevron-down",
-    #:muted                 => "text-muted",
+    # :main                  => "smart-listing",
+    # :editable              => "editable",
+    # :content               => "content",
+    # :loading               => "loading",
+    # :status                => "smart-listing-status",
+    # :item_actions          => "actions",
+    # :new_item_placeholder  => "new-item-placeholder",
+    # :new_item_action       => "new-item-action",
+    # :new_item_button       => "btn",
+    # :hidden                => "hidden",
+    # :autoselect            => "autoselect",
+    # :callback              => "callback",
+    # :pagination_wrapper    => "text-center",
+    # :pagination_container  => "pagination",
+    # :pagination_per_page   => "pagination-per-page text-center",
+    # :inline_editing        => "info",
+    # :no_records            => "no-records",
+    # :limit                 => "smart-listing-limit",
+    # :limit_alert           => "smart-listing-limit-alert",
+    # :controls              => "smart-listing-controls",
+    # :controls_reset        => "reset",
+    # :filtering             => "filter",
+    # :filtering_search      => "glyphicon-search",
+    # :filtering_cancel      => "glyphicon-remove",
+    # :filtering_disabled    => "disabled",
+    # :sortable              => "sortable",
+    # :icon_new              => "glyphicon glyphicon-plus",
+    # :icon_edit             => "glyphicon glyphicon-pencil",
+    # :icon_trash            => "glyphicon glyphicon-trash",
+    # :icon_inactive         => "glyphicon glyphicon-circle",
+    # :icon_show             => "glyphicon glyphicon-share-alt",
+    # :icon_sort_none        => "glyphicon glyphicon-resize-vertical",
+    # :icon_sort_up          => "glyphicon glyphicon-chevron-up",
+    # :icon_sort_down        => "glyphicon glyphicon-chevron-down",
+    # :muted                 => "text-muted",
   }
 
   config.constants :data_attributes, {
-    #:main                  => "smart-listing",
-    #:controls_initialized  => "smart-listing-controls-initialized",
-    #:confirmation          => "confirmation",
-    #:id                    => "id",
-    #:href                  => "href",
-    #:callback_href         => "callback-href",
-    #:max_count             => "max-count",
-    #:item_count            => "item-count",
-    #:inline_edit_backup    => "smart-listing-edit-backup",
-    #:params                => "params",
-    #:observed              => "observed",
-    #:autoshow              => "autoshow",
-    #:popover               => "slpopover",
+    # :main                  => "smart-listing",
+    # :controls_initialized  => "smart-listing-controls-initialized",
+    # :confirmation          => "confirmation",
+    # :id                    => "id",
+    # :href                  => "href",
+    # :callback_href         => "callback-href",
+    # :max_count             => "max-count",
+    # :item_count            => "item-count",
+    # :inline_edit_backup    => "smart-listing-edit-backup",
+    # :params                => "params",
+    # :observed              => "observed",
+    # :autoshow              => "autoshow",
+    # :popover               => "slpopover",
   }
 
   config.constants :selectors, {
-    #:item_action_destroy   => "a.destroy",
-    #:edit_cancel           => "button.cancel",
-    #:row                   => "tr",
-    #:head                  => "thead",
-    #:filtering_icon        => "i"
-    #:filtering_button      => "button",
-    #:filtering_icon        => "button span",
-    #:filtering_input       => ".filter input",
-    #:pagination_count      => ".pagination-per-page .count",
+    # :item_action_destroy   => "a.destroy",
+    # :edit_cancel           => "button.cancel",
+    # :row                   => "tr",
+    # :head                  => "thead",
+    # :filtering_icon        => "i"
+    # :filtering_button      => "button",
+    # :filtering_icon        => "button span",
+    # :filtering_input       => ".filter input",
+    # :pagination_count      => ".pagination-per-page .count",
   }
 
   config.constants :element_templates, {
-    #:row => "<tr />",
+    # :row => "<tr />",
   }
 
   config.constants :bootstrap_commands, {
-    #:popover_destroy       => "destroy", # Bootstrap 4 requries dipsose instead of destroy
+    # :popover_destroy       => "destroy", # Bootstrap 4 requries dipsose instead of destroy
   }
 end
diff --git a/lib/generators/smart_listing/views_generator.rb b/lib/generators/smart_listing/views_generator.rb
index 7167590..ba138c9 100644
--- a/lib/generators/smart_listing/views_generator.rb
+++ b/lib/generators/smart_listing/views_generator.rb
@@ -1,20 +1,24 @@
+# frozen_string_literal: true
+
+require 'rails/generators'
+
 module SmartListing
   module Generators
     class ViewsGenerator < Rails::Generators::Base
-      source_root File.expand_path('../../../../app/views/smart_listing', __FILE__)
+      source_root File.expand_path('../../../app/views/smart_listing', __dir__)
 
-      def self.banner #:nodoc:
-        <<-BANNER.chomp
-rails g smart_listing:views
+      def self.banner
+        <<~BANNER.chomp
+          rails g smart_listing:views
 
-    Copies all smart listing partials templates to your application.
-BANNER
+            Copies all smart listing partials templates to your application.
+        BANNER
       end
 
       desc ''
       def copy_views
-        filename_pattern = File.join self.class.source_root, "*.html.erb"
-        Dir.glob(filename_pattern).map {|f| File.basename f}.each do |f|
+        filename_pattern = File.join(self.class.source_root, '*.html.erb')
+        Dir.glob(filename_pattern).map { |f| File.basename f }.each do |f|
           copy_file f, "app/views/smart_listing/#{f}"
         end
       end
diff --git a/lib/smart_listing.rb b/lib/smart_listing.rb
index eed5e2b..b84cade 100644
--- a/lib/smart_listing.rb
+++ b/lib/smart_listing.rb
@@ -1,9 +1,13 @@
 # frozen_string_literal: true
 
-require 'smart_listing/config'
-require 'smart_listing/engine'
+# require external dependencies
 require 'kaminari'
 
+# require internal dependencies
+require_relative 'smart_listing/engine'
+require_relative 'smart_listing/config'
+require_relative 'smart_listing/version'
+
 # Fix parsing nested params
 module Kaminari
   module Helpers