lib/nextgen/tidy_gemfile.rb in nextgen-0.14.0 vs lib/nextgen/tidy_gemfile.rb in nextgen-0.16.0

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 module Nextgen
   class TidyGemfile
     def self.clean!(path = "Gemfile")
       gemfile = new(path)
       gemfile.clean
@@ -60,11 +62,11 @@
       group_line
     end
 
     def build_gem_line(gem, version:, require:, indent:)
       line = %(gem "#{gem}")
-      line << ", #{version.to_s.inspect}" if version
-      line << ", require: #{require.inspect}" unless require.nil?
+      line += ", #{version.to_s.inspect}" if version
+      line += ", require: #{require.inspect}" unless require.nil?
 
       indent + line + "\n"
     end
   end
 end