class Rack::Head

Rack::Head returns an empty body for all HEAD requests. It leaves all other requests unchanged.

Public Class Methods

Source

# File lib/rack/head.rb, line 10
def initialize(app)
  @app = app
end

Public Instance Methods

call (env)

Source

# File lib/rack/head.rb, line 14
def call(env)
  _, _, body = response = @app.call(env)

  if env[REQUEST_METHOD] == HEAD
    response[2] = Rack::BodyProxy.new([]) do
      body.close if body.respond_to? :close
    end
  end

  response
end