Class: Sprockets::SassEmbedded::SassProcessor

Inherits:
Object
  • Object
show all
Defined in:
lib/sprockets/sass_embedded/sass_processor.rb

Direct Known Subclasses

ScssProcessor

Defined Under Namespace

Modules: Functions

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cache_version: nil, functions: nil, sass_config: {}, **_options) ⇒ SassProcessor

Public: Initialize template with custom options.

options - Hash cache_version - String custom cache version. Used to force a cache

change after code changes are made to Sass Functions.



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# File 'lib/sprockets/sass_embedded/sass_processor.rb', line 70

def initialize(cache_version: nil, functions: nil, sass_config: {}, **_options)
  @cache_version = cache_version
  @sass_config = sass_config

  @functions =
    Module.new do
      include Functions
      include functions if functions
      class_eval(&block) if block_given?
    end
end

Class Method Details

.cache_key ⇒ String

Returns:

  • (String) 


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# File 'lib/sprockets/sass_embedded/sass_processor.rb', line 46

def self.cache_key
  instance.cache_key
end

.call(input) ⇒ Object 



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# File 'lib/sprockets/sass_embedded/sass_processor.rb', line 50

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

.instance ⇒ Sprockets::SassEmbedded::SassProcessor

Returns:



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# File 'lib/sprockets/sass_embedded/sass_processor.rb', line 55

def self.instance
  @instance ||= new
end

.syntax ⇒ Symbol

Returns:

  • (Symbol) 


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# File 'lib/sprockets/sass_embedded/sass_processor.rb', line 60

def self.syntax
  :indented
end

Instance Method Details

#cache_key ⇒ String

Returns:

  • (String) 


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# File 'lib/sprockets/sass_embedded/sass_processor.rb', line 83

def cache_key
  @cache_key ||=
    [
      self.class.name,
      VERSION,
      Autoload::SassEmbedded::Embedded::VERSION,
      @cache_version
    ].join(":")
end

#call(input) ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/MethodLength



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# File 'lib/sprockets/sass_embedded/sass_processor.rb', line 94

def call(input)
  context = input[:environment].context_class.new(input)

  options = merge_options(
    functions: DartSassFunctionsHash.new(
      @functions,
      sprockets: {
        context: context,
        dependencies: context.metadata[:dependencies],
        environment: input[:environment]
      }
    ).to_h,
    load_paths: context.environment.paths,
    source_map: true,
    syntax: self.class.syntax,
    url: URIUtils.build_asset_uri(input[:filename])
  )

  result = Autoload::SassEmbedded.compile_string(input[:data], **options)

  css = result.css

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

  sass_dependencies = Set.new

  result.loaded_urls.each do |url|
    scheme, _host, path, _query = URIUtils.split_file_uri(url)

    next unless scheme == "file"

    sass_dependencies << path
    context.metadata[:dependencies] << URIUtils.build_file_digest_uri(path)
  end

  context.metadata.merge(data: css, map: map, sass_dependencies: sass_dependencies)
end