refactoring

Author: monkstone

lib/jruby_art/app.rb

@@ -1,3 +1,4 @@
+
 # frozen_string_literal: false
 require 'java'
 require_relative '../rpextras'
@@ -55,10 +56,10 @@ def self.inherited(subclass)
 
     class << self
       # Handy getters and setters on the class go here:
-      attr_accessor :sketch_class, :library_loader
+      attr_reader :sketch_class, :library_loader
 
       def load_libraries(*args)
-        library_loader ||= LibraryLoader.new
+        @library_loader ||= LibraryLoader.new
         library_loader.load_library(*args)
       end
       alias load_library load_libraries
@@ -122,8 +123,8 @@ def sketch_title(title)
       surface.set_title(title)
     end
 
-    def sketch_path(spath = nil)
-      return super() if spath.nil?
+    def sketch_path(spath = '')
+      return super() if spath.empty?
       super(spath)
     end
 

lib/jruby_art/installer.rb

@@ -31,13 +31,13 @@ def set_processing_root
   end
 
   def root_exist?
-    return false if config.nil?
+    return false if config.empty?
     File.exist? config['PROCESSING_ROOT']
   end
 
   def config
     k9config = File.expand_path("#{home}/.jruby_art/config.yml")
-    return nil unless File.exist? k9config
+    return '' unless File.exist? k9config
     YAML.load_file(k9config)
   end