app_configuration.rb in reek-3.0.0

- old
+ new

@@ -1,15 +1,20 @@
 require_relative './configuration_file_finder'
 
 module Reek
+  # @api private
   module Configuration
+    # @api private
     class ConfigFileException < StandardError; end
     #
     # Reek's singleton configuration instance.
     #
+    # @api private
     module AppConfiguration
-      @configuration = {}
+      NON_SMELL_TYPE_KEYS   = %w(exclude_paths)
+      EXCLUDE_PATHS_KEY     = 'exclude_paths'
+      @configuration        = {}
       @has_been_initialized = false
 
       class << self
         attr_reader :configuration
 
@@ -22,11 +27,11 @@
 
         def configure_smell_repository(smell_repository)
           # Let users call this method directly without having initialized AppConfiguration before
           # and if they do, initialize it without application context
           initialize_with(nil) unless @has_been_initialized
-          @configuration.each do |klass_name, config|
+          for_smell_types.each do |klass_name, config|
             klass = load_smell_type(klass_name)
             smell_repository.configure(klass, config) if klass
           end
         end
 
@@ -47,10 +52,20 @@
 
         def reset
           @configuration.clear
         end
 
+        def exclude_paths
+          @exclude_paths ||= @configuration.
+                             fetch(EXCLUDE_PATHS_KEY, []).
+                             map { |path| path.chomp('/') }
+        end
+
         private
+
+        def for_smell_types
+          @configuration.reject { |key, _value| NON_SMELL_TYPE_KEYS.include?(key) }
+        end
 
         def load_smell_type(name)
           Reek::Smells.const_get(name)
         rescue NameError
           report_problem("\"#{name}\" is not a code smell")