Class: Sprockets::UglifierCompressor

Inherits:
Object
  • Object
show all
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 collapse

VERSION = 
'1'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ UglifierCompressor

Returns a new instance of UglifierCompressor.



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# File 'lib/sprockets/uglifier_compressor.rb', line 36

def initialize(options = {})
  # Feature detect Uglifier 2.0 option support
  if Autoload::Uglifier::DEFAULTS[:copyright]
    # Uglifier < 2.x
    options[:copyright] ||= false
  else
    # Uglifier >= 2.x
    options[:copyright] ||= :none
  end

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

  @cache_key = [
    self.class.name,
    Autoload::Uglifier::VERSION,
    VERSION,
    options
  ].freeze
end

Instance Attribute Details

#cache_key ⇒ Object (readonly)

Returns the value of attribute cache_key.



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# File 'lib/sprockets/uglifier_compressor.rb', line 34

def cache_key
  @cache_key
end

Class Method Details

.cache_key ⇒ Object 



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# File 'lib/sprockets/uglifier_compressor.rb', line 30

def self.cache_key
  instance.cache_key
end

.call(input) ⇒ Object 



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# File 'lib/sprockets/uglifier_compressor.rb', line 26

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

.instance ⇒ Object

Public: Return singleton instance with default options.

Returns UglifierCompressor object.



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# File 'lib/sprockets/uglifier_compressor.rb', line 22

def self.instance
  @instance ||= new
end

Instance Method Details

#call(input) ⇒ Object 



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# File 'lib/sprockets/uglifier_compressor.rb', line 56

def call(input)
  data = input[:data]
  input[:cache].fetch(@cache_key + [data]) do
    @uglifier.compile(data)
  end
end