Class: SassC::Engine

Inherits:

Object

• Object
• SassC::Engine

Defined in:

lib/sassc/embedded.rb

Instance Method Summary

• #dependencies ⇒ Object
• #render ⇒ Object
• #source_map ⇒ Object

Instance Method Details

#dependencies ⇒ Object

Raises:

• (NotRenderedError)

# File 'lib/sassc/embedded.rb', line 67

def dependencies
  raise NotRenderedError unless @loaded_urls

  Dependency.from_filenames(@loaded_urls.filter_map do |url|
    Uri.file_uri_to_path(url) if url.start_with?('file:') && !url.include?('?') && url != file_url
  end)
end

#render ⇒ Object

# File 'lib/sassc/embedded.rb', line 15

def render
  result = ::Sass.compile_string(
    @template,
    importer: (NoopImporter unless @options[:importer].nil?),
    load_paths:,
    syntax:,
    url: file_url,

    charset: @options.fetch(:charset, true),
    source_map: source_map_embed? || !source_map_file.nil?,
    source_map_include_sources: source_map_contents?,
    style: output_style,

    functions: functions_handler.setup(nil, functions: @functions),
    importers: import_handler.setup(nil).concat(@options.fetch(:importers, [])),

    alert_ascii: @options.fetch(:alert_ascii, false),
    alert_color: @options.fetch(:alert_color, nil),
    fatal_deprecations: @options.fetch(:fatal_deprecations, []),
    future_deprecations: @options.fetch(:future_deprecations, []),
    logger: quiet? ? ::Sass::Logger.silent : @options.fetch(:logger, nil),
    quiet_deps: @options.fetch(:quiet_deps, false),
    silence_deprecations: @options.fetch(:silence_deprecations, []),
    verbose: @options.fetch(:verbose, false)
  )

  @loaded_urls = result.loaded_urls
  @source_map = result.source_map

  css = result.css.encode(@template.encoding)
  css << "\n" unless css.empty?
  unless @source_map.nil? || omit_source_map_url?
    source_mapping_url = if source_map_embed?
                           "data:application/json;base64,#{[@source_map].pack('m0')}"
                         else
                           Uri.decode_uri_component(Uri.relative(source_map_file_url, file_url))
                         end
    css << "\n/*# sourceMappingURL=#{source_mapping_url} */"
  end
  css
rescue ::Sass::CompileError => e
  @loaded_urls = e.loaded_urls

  line = e.span&.start&.line
  line += 1 unless line.nil?
  url = e.span&.url
  filename = (Uri.decode_uri_component(Uri.relative(url, Uri.pwd)) if url&.start_with?('file:'))
  raise SyntaxError.new(e.message, filename:, line:)
end

#source_map ⇒ Object

Raises:

• (NotRenderedError)

# File 'lib/sassc/embedded.rb', line 77

def source_map
  raise NotRenderedError unless @source_map

  url = source_map_file_url || file_url
  data = JSON.parse(@source_map)
  data['sources'].map! do |source|
    if source.start_with?('file:')
      Uri.relative(source, url)
    else
      source
    end
  end

  JSON.generate(data).encode!(@template.encoding)
end