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Contents
# frozen_string_literal: true
require 'sprockets/autoload'
require 'sprockets/source_map_utils'
module Sprockets
# Public: Sass CSS minifier.
#
# To accept the default options
#
# environment.register_bundle_processor 'text/css',
# Sprockets::SasscCompressor
#
# Or to pass options to the Sass::Engine class.
#
# environment.register_bundle_processor 'text/css',
# Sprockets::SasscCompressor.new({ ... })
#
class SasscCompressor
# Public: Return singleton instance with default options.
#
# Returns SasscCompressor object.
def self.instance
@instance ||= new
end
def self.call(input)
instance.call(input)
end
def initialize(options = {})
@options = {
syntax: :scss,
style: :compressed,
source_map_contents: false,
omit_source_map_url: true,
}.merge(options).freeze
end
def call(input)
# SassC requires the template to be modifiable
input_data = input[:data].frozen? ? input[:data].dup : input[:data]
engine = Autoload::SassC::Engine.new(input_data, @options.merge(filename: input[:filename], source_map_file: "#{input[:filename]}.map"))
css = engine.render.sub(/^\n^\/\*# sourceMappingURL=.*\*\/$/m, '')
begin
map = SourceMapUtils.format_source_map(JSON.parse(engine.source_map), input)
map = SourceMapUtils.combine_source_maps(input[:metadata][:map], map)
rescue SassC::NotRenderedError
map = input[:metadata][:map]
end
{ data: css, map: map }
end
end
end
Version data entries
24 entries across 23 versions & 10 rubygems