adhere to rubocop guidelines

app/helpers/application_helper.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ApplicationHelper
   include MeetingsHelper
 
@@ -12,7 +14,7 @@ module ApplicationHelper
   def omniauth_login_url(provider)
     "#{Rails.configuration.relative_url_root}/auth/#{provider}"
   end
-  
+
   # Determine if Greenlight is configured to allow user signups.
   def allow_user_signup?
     Rails.configuration.allow_user_signup

app/helpers/errors_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module ErrorsHelper
 end

app/helpers/main_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module MainHelper
 end

app/helpers/meetings_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module MeetingsHelper
 end

app/helpers/rooms_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module RoomsHelper
 end

app/helpers/sessions_helper.rb

@@ -1,11 +1,12 @@
+# frozen_string_literal: true
+
 module SessionsHelper
-  
   # Logs a user into GreenLight.
   def login(user)
     session[:user_id] = user.id
 
     # If there are not terms, or the user has accepted them, go to their room.
-    if !Rails.configuration.terms || user.accepted_terms then
+    if !Rails.configuration.terms || user.accepted_terms
       redirect_to user.main_room
     else
       redirect_to terms_path

app/helpers/users_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module UsersHelper
 end