Fix and bump Rubocop

.rubocop.yml

@@ -1,9 +1,12 @@
 AllCops:
+  SuggestExtensions: false
+  NewCops: disable
   TargetRubyVersion: 2.0
   Exclude:
     - src/**/*
     - pkg/**/*
     - vendor/**/*
+    - test/**/*
 
 Naming/FileName:
   Exclude:
@@ -26,3 +29,6 @@ Style/WordArray:
 
 Style/PerlBackrefs:
   Enabled: false
+
+Gemspec/RequiredRubyVersion:
+  Enabled: false

Rakefile

@@ -23,9 +23,7 @@ task :compile, [:platform] => [] do |_, args|
   local_platform = Gem::Platform.local
   target_platform = Gem::Platform.new(ENV['RUBY_TARGET_PLATFORM'] || args.to_h[:platform] || Gem::Platform.local)
 
-  if target_platform.os == 'darwin'
-    target_platform.instance_eval { @version = nil }
-  end
+  target_platform.instance_eval { @version = nil } if target_platform.os == 'darwin'
 
   puts "local platform: #{local_platform}"
   puts "target platform: #{target_platform}"
@@ -46,9 +44,7 @@ task :binary, [:platform] => [:compile] do |_, args|
   local_platform = Gem::Platform.local.dup
   target_platform = Gem::Platform.new(ENV['RUBY_TARGET_PLATFORM'] || args.to_h[:platform] || Gem::Platform.local)
 
-  if target_platform.os == 'darwin'
-    target_platform.instance_eval { @version = nil }
-  end
+  target_platform.instance_eval { @version = nil } if target_platform.os == 'darwin'
 
   puts "local platform: #{local_platform}"
   puts "target platform: #{target_platform}"

ext/libv8-node/builder.rb

@@ -1,4 +1,4 @@
-unless $LOAD_PATH.include?(File.expand_path('../../lib', __dir__))
+unless $LOAD_PATH.include?(File.expand_path('../../lib', __dir__)) # rubocop:disable Style/IfUnlessModifier
   $LOAD_PATH.unshift(File.expand_path('../../lib', __dir__))
 end
 require 'libv8/node/version'

ext/libv8-node/extconf.rb

@@ -2,8 +2,8 @@
 
 require 'mkmf'
 
-if RUBY_ENGINE == "truffleruby"
-  File.write("Makefile", dummy_makefile($srcdir).join(""))
+if RUBY_ENGINE == 'truffleruby'
+  File.write('Makefile', dummy_makefile($srcdir).join('')) # rubocop:disable Style/GlobalVars
   return
 end
 

ext/libv8-node/location.rb

@@ -45,7 +45,7 @@ def configure(context = MkmfContext.new)
       def verify_installation!
         include_paths = Libv8::Node::Paths.include_paths
 
-        unless include_paths.detect { |p| Pathname(p).join('v8.h').exist? }
+        unless include_paths.detect { |p| Pathname(p).join('v8.h').exist? } # rubocop:disable Style/IfUnlessModifier
           raise(HeaderNotFound, "Unable to locate 'v8.h' in the libv8 header paths: #{include_paths.inspect}")
         end
 

libv8-node.gemspec

@@ -1,4 +1,4 @@
-$LOAD_PATH.unshift File.expand_path('../lib', __FILE__)
+$LOAD_PATH.unshift File.expand_path('lib', __dir__)
 require 'libv8/node/version'
 
 Gem::Specification.new do |s|
@@ -23,5 +23,5 @@ Gem::Specification.new do |s|
   s.require_paths = ['lib', 'ext']
 
   s.add_development_dependency 'rake', '~> 12'
-  s.add_development_dependency 'rubocop', '~> 0.50.0'
+  s.add_development_dependency 'rubocop', '~> 1.44.0'
 end