Class: Sprockets::StaticCompiler

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env, target, paths, options = {}) ⇒ StaticCompiler


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# File 'lib/sprockets/static_compiler.rb', line 7

def initialize(env, target, paths, options = {})
  @env = env
  @target = target
  @paths = paths
  @digest = options.key?(:digest) ? options.delete(:digest) : true
  @manifest = options.key?(:manifest) ? options.delete(:manifest) : true
  @manifest_path = options.delete(:manifest_path) || target
end

Instance Attribute Details

#envObject

Returns the value of attribute env


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# File 'lib/sprockets/static_compiler.rb', line 5

def env
  @env
end

#pathsObject

Returns the value of attribute paths


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# File 'lib/sprockets/static_compiler.rb', line 5

def paths
  @paths
end

#targetObject

Returns the value of attribute target


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# File 'lib/sprockets/static_compiler.rb', line 5

def target
  @target
end

Instance Method Details

#aliased_path_for(logical_path) ⇒ Object


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# File 'lib/sprockets/static_compiler.rb', line 48

def aliased_path_for(logical_path)
  if File.basename(logical_path).start_with?('index')
    logical_path.sub(/\/index([^\/]+)$/, '\1')
  else
    logical_path.sub(/\.([^\/]+)$/, '/index.\1')
  end
end

#compileObject


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# File 'lib/sprockets/static_compiler.rb', line 16

def compile
  manifest = {}
  env.each_logical_path(paths) do |logical_path|
    if asset = env.find_asset(logical_path)
      digest_path = write_asset(asset)
      manifest[asset.logical_path] = digest_path
      manifest[aliased_path_for(asset.logical_path)] = digest_path
    end
  end
  write_manifest(manifest) if @manifest
end

#path_for(asset) ⇒ Object


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# File 'lib/sprockets/static_compiler.rb', line 44

def path_for(asset)
  @digest ? asset.digest_path : asset.logical_path
end

#write_asset(asset) ⇒ Object


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# File 'lib/sprockets/static_compiler.rb', line 35

def write_asset(asset)
  path_for(asset).tap do |path|
    filename = File.join(target, path)
    FileUtils.mkdir_p File.dirname(filename)
    asset.write_to(filename)
    asset.write_to("#{filename}.gz") if filename.to_s =~ /\.(css|js)$/
  end
end

#write_manifest(manifest) ⇒ Object


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# File 'lib/sprockets/static_compiler.rb', line 28

def write_manifest(manifest)
  FileUtils.mkdir_p(@manifest_path)
  File.open("#{@manifest_path}/manifest.yml", 'wb') do |f|
    YAML.dump(manifest, f)
  end
end