class Sprockets::Context

def evaluate(path, options = {})


<%= evaluate "bar.js" %>

directly in another.
This allows you to capture the result of an asset and include it

Reads `path` and runs processors on the file. 
def evaluate(path, options = {})
  pathname   = resolve(path)
  attributes = environment.attributes_for(pathname)
  processors = options[:processors] || attributes.processors
  if options[:data]
    result = options[:data]
  else
    if environment.respond_to?(:default_external_encoding)
      mime_type = environment.mime_types(pathname.extname)
      encoding  = environment.encoding_for_mime_type(mime_type)
      result    = Sprockets::Utils.read_unicode(pathname, encoding)
    else
      result = Sprockets::Utils.read_unicode(pathname)
    end
  end
  processors.each do |processor|
    begin
      template = processor.new(pathname.to_s) { result }
      result = template.render(self, {})
    rescue Exception => e
      annotate_exception! e
      raise
    end
  end
  result
end