class Rackables::ResponseHeaders

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

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

Public Class Methods

new(app, &block) click to toggle source
# File lib/rackables/response_headers.rb, line 13
def initialize(app, &block)
  @app = app
  @block = block
end

Public Instance Methods

call(env) click to toggle source
# File lib/rackables/response_headers.rb, line 18
def call(env)
  status, headers, body = @app.call(env)
  headers = ::Rack::Utils::HeaderHash.new(headers)
  @block.call(headers)
  [status, headers, body]
end