discourse/lib/source_url.rb

class SourceURL < Tilt::Template
  self.default_mime_type = 'application/javascript'

  def prepare
  end

  def evaluate(scope, locals, &block)
    code = ""
    code << "eval("
    code << data.inspect
    code << " + \"\\n//@ sourceURL=/'#{scope.logical_path}'\""
    code << ");\n"
    code
  end
end