Class: Transformer

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/roger_autoprefixer/transformer.rb

Overview

The transformer will take care of thread safe transformation of css without vendor prefixes -> css with vendor prefixes using autoprefixer. We need this to prevent deadlock in the V8 engine.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Transformer

Returns a new instance of Transformer.



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# File 'lib/roger_autoprefixer/transformer.rb', line 14

def initialize
  @mutex = Mutex.new
end

Instance Method Details

#transform(code, options) ⇒ Object 



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# File 'lib/roger_autoprefixer/transformer.rb', line 18

def transform(code, options)
  prefixer = nil
  @mutex.synchronize do
    prefixer = AutoprefixerRails.process(code, options)
  end
  prefixer.css
end