Class: Mutant::RequireHighjack

Inherits:
Object
  • Object
show all
Defined in:
lib/mutant/require_highjack.rb

Overview

Require highjack

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#original ⇒ #call (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Return original method

Returns:

  • (#call) 


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# File 'lib/mutant/require_highjack.rb', line 12

def original
  @original
end

Instance Method Details

#desinfect ⇒ self

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Imperfectly desinfect kernel from highjack

Returns:

  • (self) 


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# File 'lib/mutant/require_highjack.rb', line 52

def desinfect
  original = @original
  target.module_eval do
    undef :require
    define_method(:require) do |logical_name|
      original.call(logical_name)
    end
    module_function :require
  end
end

#infect ⇒ self

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Infect kernel with highjack

Returns:

  • (self) 


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# File 'lib/mutant/require_highjack.rb', line 34

def infect
  callback = @callback
  @original = target.method(:require)
  target.module_eval do
    undef :require
    define_method(:require) do |logical_name|
      callback.call(logical_name)
    end
    module_function :require
  end
end

#run ⇒ self

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Run block with highjacked require

Returns:

  • (self) 


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# File 'lib/mutant/require_highjack.rb', line 20

def run
  infect
  yield
  self
ensure
  desinfect
end