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-rw-r--r--railties/lib/rails/configuration.rb39
1 files changed, 29 insertions, 10 deletions
diff --git a/railties/lib/rails/configuration.rb b/railties/lib/rails/configuration.rb
index 0efa21d82c..d8ca6cbd21 100644
--- a/railties/lib/rails/configuration.rb
+++ b/railties/lib/rails/configuration.rb
@@ -6,17 +6,36 @@ require 'rails/rack'
module Rails
module Configuration
- class MiddlewareStackProxy #:nodoc:
+ # MiddlewareStackProxy is a proxy for the Rails middleware stack that allows
+ # you to configure middlewares in your application. It works basically as a
+ # command recorder, saving each command to be applied after initialization
+ # over the default middleware stack, so you can add, swap, or remove any
+ # middleware in Rails.
+ #
+ # You can add your own middlewares by using the +config.middleware.use+ method:
+ #
+ # config.middleware.use Magical::Unicorns
+ #
+ # This will put the +Magical::Unicorns+ middleware on the end of the stack.
+ # You can use +insert_before+ if you wish to add a middleware before another:
+ #
+ # config.middleware.insert_before ActionDispatch::Head, Magical::Unicorns
+ #
+ # There's also +insert_after+ which will insert a middleware after another:
+ #
+ # config.middleware.insert_after ActionDispatch::Head, Magical::Unicorns
+ #
+ # Middlewares can also be completely swapped out and replaced with others:
+ #
+ # config.middleware.swap ActionDispatch::BestStandardsSupport, Magical::Unicorns
+ #
+ # And finally they can also be removed from the stack completely:
+ #
+ # config.middleware.delete ActionDispatch::BestStandardsSupport
+ #
+ class MiddlewareStackProxy
def initialize
@operations = []
- @api_only = false
- end
-
- attr_reader :api_only
- alias :api_only? :api_only
-
- def api_only!
- @api_only = true
end
def insert_before(*args, &block)
@@ -41,7 +60,7 @@ module Rails
@operations << [:delete, args, block]
end
- def merge_into(other)
+ def merge_into(other) #:nodoc:
@operations.each do |operation, args, block|
other.send(operation, *args, &block)
end