File: head.rb

package info (click to toggle)
ruby-rack 3.2.4-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 5,576 kB
  • sloc: ruby: 15,492; sh: 12; makefile: 7; javascript: 1
file content (25 lines) | stat: -rw-r--r-- 487 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
# frozen_string_literal: true

require_relative 'constants'
require_relative 'body_proxy'

module Rack
  # Rack::Head returns an empty body for all HEAD requests. It leaves
  # all other requests unchanged.
  class Head
    def initialize(app)
      @app = app
    end

    def call(env)
      _, _, body = response = @app.call(env)

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

      response
    end
  end
end