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Class: Sprockets::SassCompressor

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

Overview

Public: Sass CSS minifier.

To accept the default options

environment.register_bundle_processor 'text/css',
  Sprockets::SassCompressor

Or to pass options to the Sass::Engine class.

environment.register_bundle_processor 'text/css',
  Sprockets::SassCompressor.new({ ... })

Constant Summary

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(options = {}) ⇒ SassCompressor

[ GitHub ] 

  


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



def initialize(options = {})
  @options = {
    syntax: :scss,
    cache: false,
    read_cache: false,
    style: :compressed
  }.merge(options).freeze
  @cache_key = "#{self.class.name}:#{Autoload::Sass::VERSION}:#{VERSION}:#{DigestUtils.digest(options)}".freeze
end


  







Class Method Details



  

    .cache_key  
  

  [ GitHub ]


  

  


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



def self.cache_key
  instance.cache_key
end


  








  

    .call(input)  
  

  [ GitHub ]


  

  


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



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


  








  

    .instance  
  



  

    

Public: Return singleton instance with default options.



Returns SassCompressor object.


  



  [ GitHub ]


  

  


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



def self.instance
  @instance ||= new
end


  







Instance Attribute Details



  

    #cache_key   (readonly)
  

  [ GitHub ]


  

  


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



attr_reader :cache_key


  







Instance Method Details



  

    #call(input)  
  

  [ GitHub ]


  

  


# File 'lib/sprockets/sass_compressor.rb', line 49



def call(input)
  css, map = Autoload::Sass::Engine.new(
    input[:data],
    @options.merge(filename: input[:filename])
  ).render_with_sourcemap('')

  css = css.sub("/*# sourceMappingURL= */\n", '')

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

  { data: css, map: map }
end