Fix style

Gemfile

@@ -1,26 +1,26 @@
 # frozen_string_literal: true
 
-source 'https://rubygems.org'
+source "https://rubygems.org"
 
 # Specify your gem's dependencies in xml2json.gemspec
 gemspec
 
-gem 'rake', '~> 13.0'
+gem "rake", "~> 13.0"
 
-gem 'rake-compiler'
-gem 'rb_sys', '~> 0.9.63'
+gem "rake-compiler"
+gem "rb_sys", "~> 0.9.63"
 
-gem 'rspec', '~> 3.0'
+gem "rspec", "~> 3.0"
 
-gem 'rubocop', '~> 1.21'
+gem "rubocop", "~> 1.21"
 
-gem 'yard-rustdoc'
+gem "yard-rustdoc"
 
-gem 'pry'
-gem 'pry-byebug'
-gem 'yard'
+gem "pry"
+gem "pry-byebug"
+gem "yard"
 # # Cause I want to use rack adapter
-gem 'rack'
-gem 'rackup'
+gem "rack"
+gem "rackup"
 # # Cause I want to use rack adapter with puma server
-gem 'puma'
+gem "puma"

Rakefile

@@ -1,31 +1,31 @@
 # frozen_string_literal: true
 
-require 'bundler/setup'
+require "bundler/setup"
 
-require 'bundler/gem_tasks'
-require 'rspec/core/rake_task'
+require "bundler/gem_tasks"
+require "rspec/core/rake_task"
 
 RSpec::Core::RakeTask.new(:spec)
 
-require 'rubocop/rake_task'
+require "rubocop/rake_task"
 
 RuboCop::RakeTask.new
 
-require 'rb_sys/extensiontask'
+require "rb_sys/extensiontask"
 
 task build: :compile
 
 gemspec = Gem::Specification.load("xml2json.gemspec")
 
-RbSys::ExtensionTask.new('xml2json', gemspec) do |ext|
-  ext.lib_dir = 'lib/xml2json'
+RbSys::ExtensionTask.new("xml2json", gemspec) do |ext|
+  ext.lib_dir = "lib/xml2json"
 end
 
-require 'yard'
+require "yard"
 
 YARD::Rake::YardocTask.new do |t|
-  t.files = gemspec.files
-  t.options += ['--output-dir', ENV['YARD_OUTPUT_DIR']] if ENV['YARD_OUTPUT_DIR']
+  t.files = gemspec.files.select { |f| File.extname(f) == ".rb" }
+  t.options += ["--output-dir", ENV["YARD_OUTPUT_DIR"]] if ENV["YARD_OUTPUT_DIR"]
 end
 
 task default: %i[compile spec rubocop yard]

xml2json.gemspec

@@ -30,7 +30,8 @@ Gem::Specification.new do |spec|
   #   end
   # end
   spec.files = [
-    *Dir["ext/**/*"], *Dir["lib/**/*"], *Dir["sig/**/*"],
+    # .rb - to exclude lib/xml2json/xml2json.so
+    *Dir["ext/**/*"], *Dir["lib/**/*.rb"], *Dir["sig/**/*"],
     "Cargo.lock", "Cargo.toml"
   ].reject { |f| File.directory?(f) }
   spec.bindir = "exe"