Module: DoBlocks

Defined in:
lib/do_blocks.rb

Instance Method Summary collapse

Instance Method Details

#do_after(method_name, &block) ⇒ Object 



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# File 'lib/do_blocks.rb', line 11

def do_after(method_name, &block)
  original_method = instance_method(method_name)

  define_method(method_name) do |*args, **kwargs|
    result = original_method.bind(self).call(*args, **kwargs)
    block.call(args, kwargs, result)
    result
  end
end

#do_before(method_name, &block) ⇒ Object 



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# File 'lib/do_blocks.rb', line 2

def do_before(method_name, &block)
  original_method = instance_method(method_name)

  define_method(method_name) do |*args, **kwargs|
    block.call(args, kwargs)
    original_method.bind(self).call(*args, **kwargs)
  end
end

#do_on_error(method_name, reraise: true, &block) ⇒ Object 



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# File 'lib/do_blocks.rb', line 21

def do_on_error(method_name, reraise: true, &block)
  original_method = instance_method(method_name)

  define_method(method_name) do |*args, **kwargs|
    begin
      original_method.bind(self).call(*args, **kwargs)
    rescue => error
      block.call(args, kwargs, error)
      raise error if reraise
    end
  end
end