Stylistic changes

Gemfile

@@ -1,14 +1,3 @@
 source 'https://rubygems.org'
 
-# Declare your gem's dependencies in swagger_ui_engine.gemspec.
-# Bundler will treat runtime dependencies like base dependencies, and
-# development dependencies will be added by default to the :development group.
 gemspec
-
-# Declare any dependencies that are still in development here instead of in
-# your gemspec. These might include edge Rails or gems from your path or
-# Git. Remember to move these dependencies to your gemspec before releasing
-# your gem to rubygems.org.
-
-# To use debugger
-# gem 'debugger'

app/controllers/swagger_ui_engine/docs_controller.rb

@@ -47,7 +47,7 @@ def single_doc_url?
     end
 
     def single_doc_url_hash?
-      @swagger_url.is_a?(Hash) && @swagger_url.size == 1
+      @swagger_url.is_a?(Hash) && @swagger_url.size.eql?(1)
     end
   end
 end

app/helpers/swagger_ui_engine/config_parser.rb

@@ -1,8 +1,8 @@
 module SwaggerUiEngine
   module ConfigParser
     SwaggerUiEngine::DEFAULTS.each do |default|
-      next if default.first.to_s == 'validator_url'
-      
+      next if default.first.to_s.eql?('validator_url')
+
       define_method("set_#{default.first}") do
         # set_swagger_url set_doc_expansion
         # set_json_editor set_model_rendering

lib/swagger_ui_engine/configuration.rb

@@ -1,23 +1,23 @@
 module SwaggerUiEngine
   class Configuration
     # Configurable options
-    OPTIONS = [
-      :admin_username,
-      :admin_password,
-      :doc_expansion,
-      :json_editor,
-      :model_rendering,
-      :oauth_client_id,
-      :oauth_client_secret,
-      :oauth_realm,
-      :oauth_app_name,
-      :oauth_scope_separator,
-      :oauth_query_string_params,
-      :request_headers,
-      :swagger_url,
-      :translator_enabled,
-      :validator_enabled,
-    ].freeze
+    OPTIONS = %i(
+      admin_username
+      admin_password
+      doc_expansion
+      json_editor
+      model_rendering
+      oauth_client_id
+      oauth_client_secret
+      oauth_realm
+      oauth_app_name
+      oauth_scope_separator
+      oauth_query_string_params
+      request_headers
+      swagger_url
+      translator_enabled
+      validator_enabled
+    ).freeze
 
     attr_accessor(*OPTIONS)
   end