Module: SassConfig

Defined in:
ext/sass/sass_config.rb

Overview

The SassConfig module.

Class Method Summary collapse

Class Method Details

.dart_sass ⇒ Object 



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# File 'ext/sass/sass_config.rb', line 21

def dart_sass
  repo = 'https://github.com/sass/dart-sass'

  tag_name = dart_sass_version

  message = "dart-sass for #{Platform::ARCH} not available at #{repo}/releases/tag/#{tag_name}"

  env = ''

  os = case Platform::OS
       when 'darwin'
         'macos'
       when 'linux'
         'linux'
       when 'linux-android'
         'android'
       when 'linux-musl'
         env = '-musl'
         'linux'
       when 'windows'
         'windows'
       else
         raise NotImplementedError, message
       end

  cpu = case Platform::CPU
        when 'x86_64'
          'x64'
        when 'aarch64'
          'arm64'
        when 'arm'
          'arm'
        when 'riscv64'
          'riscv64'
        else
          raise NotImplementedError, message
        end

  ext = Platform::OS == 'windows' ? 'zip' : 'tar.gz'

  "#{repo}/releases/download/#{tag_name}/dart-sass-#{tag_name}-#{os}-#{cpu}#{env}.#{ext}"
end

.dart_sass_version ⇒ Object 



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# File 'ext/sass/sass_config.rb', line 15

def dart_sass_version
  package_json(__dir__)['dependencies']['sass']
    # TODO: remove after https://github.com/sass/dart-sass/pull/2413
    .delete_prefix('file:sass-').delete_suffix('.tgz')
end

.development? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/sass/sass_config.rb', line 146

def development?
  File.exist?('../../Gemfile')
end

.embedded_sass_protocol ⇒ Object 



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# File 'ext/sass/sass_config.rb', line 126

def embedded_sass_protocol
  require 'json'

  rubyarchdir = ENV.fetch('RUBYARCHDIR', nil)

  rubylibdir = ENV.fetch('RUBYLIBDIR', nil)

  version = Utils.capture(RbConfig.ruby,
                          "-I#{File.absolute_path('../../lib', __dir__)}",
                          *("-I#{rubyarchdir}" if rubyarchdir),
                          *("-I#{rubylibdir}" if rubylibdir),
                          File.absolute_path('../../exe/sass', __dir__),
                          '--embedded',
                          '--version')

  tag_name = JSON.parse(version)['protocolVersion']

  "https://github.com/sass/sass/raw/embedded-protocol-#{tag_name}/spec/embedded_sass.proto"
end

.gem_platform ⇒ Object 



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# File 'ext/sass/sass_config.rb', line 156

def gem_platform
  platform = Gem::Platform.new("#{Platform::CPU}-#{Platform::HOST_OS}")
  case Platform::OS
  when 'darwin'
    case platform.cpu
    when 'aarch64'
      Gem::Platform.new(['arm64', platform.os])
    else
      platform
    end
  when 'linux'
    if platform.version&.start_with?('gnu')
      platform
    else
      Gem::Platform.new([platform.cpu, platform.os, "gnu#{platform.version}"])
    end
  when 'windows'
    case platform.cpu
    when 'x86_64'
      Gem::Platform.new('x64-mingw-ucrt')
    else
      Gem::Platform.new([platform.cpu, 'mingw', 'ucrt'])
    end
  else
    platform
  end
end

.gem_version ⇒ Object 



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# File 'ext/sass/sass_config.rb', line 150

def gem_version
  require_relative '../../lib/sass/embedded/version'

  development? ? dart_sass_version : Sass::Embedded::VERSION
end

.package_json(path = '.') ⇒ Object 



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# File 'ext/sass/sass_config.rb', line 9

def package_json(path = '.')
  require 'json'

  JSON.parse(File.read(File.absolute_path('package.json', path)))
end

.protoc ⇒ Object 



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# File 'ext/sass/sass_config.rb', line 64

def protoc
  repo = 'https://repo.maven.apache.org/maven2/com/google/protobuf/protoc'

  dependency = Gem::Dependency.new('google-protobuf')

  spec = dependency.to_spec

  version = spec.version

  message = "protoc for #{Platform::ARCH} not available at #{repo}/#{version}"

  os = case Platform::OS
       when 'darwin'
         'osx'
       when 'linux', 'linux-android', 'linux-musl', 'linux-none', 'linux-uclibc'
         'linux'
       when 'windows'
         'windows'
       else
         raise NotImplementedError, message
       end

  cpu = case Platform::CPU
        when 'i386'
          'x86_32'
        when 'x86_64'
          'x86_64'
        when 'aarch64'
          Platform::OS == 'windows' ? 'x86_64' : 'aarch_64'
        when 'ppc64le'
          'ppcle_64'
        when 's390x'
          's390_64'
        else
          raise NotImplementedError, message
        end

  uri = "#{repo}/#{version}/protoc-#{version}-#{os}-#{cpu}.exe"

  Utils.fetch_https("#{uri}.sha1")

  uri
rescue Gem::RemoteFetcher::FetchError
  dependency_request = Gem::Resolver::DependencyRequest.new(dependency, nil)

  versions = Gem::Resolver::BestSet.new.find_all(dependency_request).filter_map do |s|
    s.version if s.platform == Gem::Platform::RUBY
  end

  versions.sort.reverse_each do |v|
    uri = "#{repo}/#{v}/protoc-#{v}-#{os}-#{cpu}.exe"

    Utils.fetch_https("#{uri}.sha1")

    return uri
  rescue Gem::RemoteFetcher::FetchError
    next
  end

  raise NotImplementedError, message
end