Class: Usable::ModExtender

Inherits:
Object
  • Object
show all
Defined in:
lib/usable/mod_extender.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(mod, config = OpenStruct.new) ⇒ ModExtender

Returns a new instance of ModExtender.



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# File 'lib/usable/mod_extender.rb', line 5

def initialize(mod, config = OpenStruct.new)
  @mod = mod
  @copy = has_spec? ? mod.const_get(:Spec).dup : mod.dup
  @config = config
end

Instance Attribute Details

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/usable/mod_extender.rb', line 3

def config
  @config
end

#copy ⇒ Object

Returns the value of attribute copy.



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# File 'lib/usable/mod_extender.rb', line 3

def copy
  @copy
end

#mod ⇒ Object

Returns the value of attribute mod.



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# File 'lib/usable/mod_extender.rb', line 3

def mod
  @mod
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/usable/mod_extender.rb', line 11

def call
  copy.prepend override
end

#has_spec? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/usable/mod_extender.rb', line 24

def has_spec?
  mod.const_defined?(:Spec)
end

#override ⇒ Object 



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# File 'lib/usable/mod_extender.rb', line 15

def override
  unwanted = config.only ? copy.instance_methods - Array(config.only) : []
  Module.new do
    unwanted.each do |method_name|
      define_method(method_name) { |*| }
    end
  end
end