Support module_function

Author: hoppergee

CHANGELOG.md

@@ -1,5 +1,7 @@
 ## [Unreleased]
 
+- Support `module_function`
+
 ## [1.0.0] - 2022-09-16
 
 - Now you can use `.active_method` through `include ActiveMethod`

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    active_method (0.1.0)
+    active_method (1.0.0)
 
 GEM
   remote: https://rubygems.org/

README.md

@@ -87,6 +87,27 @@ Bar.call(1, 3, c: 4, d: 5)
 # =>  buzz
 ```
 
+### Work on module
+
+```ruby
+class Hi < ActiveMethod::Base
+  argument :name
+
+  def call
+    "Hi, #{name}"
+  end
+end
+
+module Say
+  include ActiveMethod
+
+  active_method :hi, module_function: true
+end
+
+Say.hi('John')
+# => "Hi, John"
+```
+
 ## Development
 
 ```bash

lib/active_method.rb

@@ -12,12 +12,16 @@ def self.included(base)
   end
 
   module ClassMethods
-    def active_method(name, method_class = nil)
+    def active_method(name, method_class = nil, **options)
       method_class ||= Util.constantize self, Util.camel_case(name)
 
       define_method name do |*args|
         method_class[self].call(*args)
       end
+
+      if options[:module_function]
+        module_function name
+      end
     end
   end
 end

test/test_active_method.rb

@@ -55,4 +55,54 @@ def z; 'z'; end
     assert_equal ['a', 'b', 'c', 'd', 'x', 'y', 'z'], Example::FooBar.new.baz('a', 'b', c: 'c', d: 'd')
   end
 
+  ################
+  # .active_method for module
+  ################
+
+  class Hi < ActiveMethod::Base
+    argument :name
+
+    def call
+      "Hi, #{name}"
+    end
+  end
+
+  class Bye < ActiveMethod::Base
+    argument :name
+
+    def call
+      "Bye, #{name}"
+    end
+  end
+
+  module Say
+    include ActiveMethod
+
+    active_method :hi
+    active_method :bye, module_function: true
+  end
+
+  class Person
+    include Say
+  end
+
+  class Dog
+    include ActiveMethod
+  end
+
+  it ".acive_method - works on module" do
+    assert_equal "Hi, John", Person.new.hi("John")
+  end
+
+  it ".acive_method - works as a module_function" do
+    assert_equal "Bye, John", Say.bye("John")
+  end
+
+  it ".acive_method - raise error for a class when pass module_functin: true" do
+    error = assert_raises NoMethodError do
+      Dog.active_method(:hi, module_function: true)
+    end
+    assert_includes error.message, "undefined method `module_function'"
+  end
+
 end