lib/hexx/dependencies.rb in hexx-5.3.0 vs lib/hexx/dependencies.rb in hexx-5.4.0

@@ -85,15 +85,15 @@
     #     extend Hexx::Dependencies
     #     self.depends_on %w(some_class another_class)
     #   end
     #
     # @param  [Array<String, Symbol>] names The list of names for dependencies.
-    def depends_on(*names)
+    def depends_on(*names, default: nil)
       names.flatten.each do |name|
         DependencyName.new(name).validate
         add_dependency_setter name
-        add_dependency_getter name
+        add_dependency_getter name, default
       end
     end
 
     private
 
@@ -161,15 +161,22 @@
           Dependency.new(:#{ name }, value).validate;
           @#{ name }= value.to_s;
         end"
     end
 
-    def add_dependency_getter(name)
+    def add_dependency_getter(name, default)
       instance_eval "
         def #{ name };
-          value = @#{ name };
-          fail NotImplementedError unless value;
-          value.constantize;
+          value = @#{ default_name name, default };
+          constantize(value);
         end"
+    end
+
+    def constantize(value)
+      value.is_a?(Module) ? value : Kernel.const_get(value.to_s)
+    end
+
+    def default_name(name, default)
+      [name, default].compact.map(&:to_s).join " || "
     end
   end
 end