class Rack::ResponseHeaders

Allows you to tap into the response headers. Yields a Rack::Utils::HeaderHash of current response headers to the block. Example:

use Rack::ResponseHeaders do |headers|
  headers['X-Foo'] = 'bar'
  headers.delete('X-Baz')
end

Public Class Methods

new(app, &block) click to toggle source
# File lib/rack/contrib/response_headers.rb, line 11
def initialize(app, &block)
  @app = app
  @block = block
end

Public Instance Methods

call(env) click to toggle source
# File lib/rack/contrib/response_headers.rb, line 16
def call(env)
  response = @app.call(env)
  headers = Utils::HeaderHash.new(response[1])
  @block.call(headers)
  response[1] = headers
  response
end