Fix Rubocop complains.

config/initializers/gettext_rails_i18n_patch.rb

@@ -25,7 +25,6 @@ end
 module GettextI18nRailsJs
   module Parser
     module Javascript
-
       # This is required to tell the `rake gettext:find` script to use the Javascript
       # parser for *.vue files.
       #

lib/tasks/gettext.rake

@@ -4,27 +4,8 @@ namespace :gettext do
   # Customize list of translatable files
   # See: https://github.com/grosser/gettext_i18n_rails#customizing-list-of-translatable-files
   def files_to_translate
-    folders = [
-      "app",
-      "lib",
-      "config",
-      locale_path
-    ].join(",")
-
-    exts = [
-      "rb",
-      "erb",
-      "haml",
-      "slim",
-      "rhtml",
-      "js",
-      "jsx",
-      "vue",
-      "coffee",
-      "handlebars",
-      "hbs",
-      "mustache"
-    ].join(",")
+    folders = %W(app lib config #{locale_path}).join(',')
+    exts = %w(rb erb haml slim rhtml js jsx vue coffee handlebars hbs mustache).join(',')
 
     Dir.glob(
       "{#{folders}}/**/*.{#{exts}}"