123456789_123456789_123456789_123456789_123456789_

Class: Sprockets::UglifierCompressor

Relationships & Source Files
Inherits: Object
Defined in: lib/sprockets/uglifier_compressor.rb

Overview

Public: Uglifier/Uglify compressor.

To accept the default options

environment.register_bundle_processor 'application/javascript',
  Sprockets::UglifierCompressor

Or to pass options to the Uglifier class.

environment.register_bundle_processor 'application/javascript',
  Sprockets::UglifierCompressor.new(comments: :copyright)

Constant Summary

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(options = {}) ⇒ UglifierCompressor

[ GitHub ] 

  


# File 'lib/sprockets/uglifier_compressor.rb', line 39



def initialize(options = {})
  options[:comments] ||= :none

  @options = options
  @cache_key = "#{self.class.name}:#{Autoload::Uglifier::VERSION}:#{VERSION}:#{DigestUtils.digest(options)}".freeze
end


  







Class Method Details



  

    .cache_key  
  

  [ GitHub ]


  

  


# File 'lib/sprockets/uglifier_compressor.rb', line 33



def self.cache_key
  instance.cache_key
end


  








  

    .call(input)  
  

  [ GitHub ]


  

  


# File 'lib/sprockets/uglifier_compressor.rb', line 29



def self.call(input)
  instance.call(input)
end


  








  

    .instance  
  



  

    

Public: Return singleton instance with default options.



Returns UglifierCompressor object.


  



  [ GitHub ]


  

  


# File 'lib/sprockets/uglifier_compressor.rb', line 25



def self.instance
  @instance ||= new
end


  







Instance Attribute Details



  

    #cache_key   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/sprockets/uglifier_compressor.rb', line 37



attr_reader :cache_key


  







Instance Method Details



  

    #call(input)  
  

  [ GitHub ]


  

  


# File 'lib/sprockets/uglifier_compressor.rb', line 46



def call(input)
  case Autoload::Uglifier::VERSION.to_i
  when 1
    raise "uglifier 1.x is no longer supported, please upgrade to 2.x or newer"
  when 2
    input_options = { source_filename: input[:filename] }
  else
    input_options = { source_map: { filename: input[:filename] } }
  end

  uglifier = Autoload::Uglifier.new(@options.merge(input_options))

  js, map = uglifier.compile_with_map(input[:data])

  map = SourceMapUtils.format_source_map(JSON.parse(map), input)
  map = SourceMapUtils.combine_source_maps(input[:metadata][:map], map)

  { data: js, map: map }
end