From 39556884403ab5baa89574671f1a100c42792b02 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Wed, 12 Aug 2015 16:54:24 -0700
Subject: pull `format` out of the options hash

remove `format` from the options hash in the scope chain so that we
don't need to remove it later
---
 actionpack/lib/action_dispatch/routing/mapper.rb | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

(limited to 'actionpack')

diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index af4c7eb564..29daf39aec 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -67,7 +67,6 @@ module ActionDispatch
           options.delete :shallow_path
           options.delete :shallow_prefix
           options.delete :shallow
-          options.delete :format
 
           defaults = (scope[:defaults] || {}).dup
           scope_constraints = scope[:constraints] || {}
@@ -808,10 +807,10 @@ module ActionDispatch
             elsif option == :options
               value = options
             else
-              value = options.delete(option)
+              value = options.delete(option) { POISON }
             end
 
-            if value
+            unless POISON == value
               scope[option] = send("merge_#{option}_scope", @scope[option], value)
             end
           end
@@ -823,6 +822,8 @@ module ActionDispatch
           @scope = @scope.parent
         end
 
+        POISON = Object.new # :nodoc:
+
         # Scopes routes to a specific controller
         #
         #   controller "food" do
@@ -992,6 +993,10 @@ module ActionDispatch
             child
           end
 
+          def merge_format_scope(parent, child) #:nodoc:
+            child
+          end
+
           def merge_path_names_scope(parent, child) #:nodoc:
             merge_options_scope(parent, child)
           end
@@ -1549,7 +1554,7 @@ module ActionDispatch
           via = Mapping.check_via Array(options.delete(:via) {
             @scope[:via]
           })
-          formatted = options.delete(:format) { @scope.mapping_option(:format) }
+          formatted = options.delete(:format) { @scope[:format] }
 
           path_types = paths.group_by(&:class)
           path_types.fetch(String, []).each do |_path|
@@ -1942,7 +1947,7 @@ module ActionDispatch
       class Scope # :nodoc:
         OPTIONS = [:path, :shallow_path, :as, :shallow_prefix, :module,
                    :controller, :action, :path_names, :constraints,
-                   :shallow, :blocks, :defaults, :via, :options]
+                   :shallow, :blocks, :defaults, :via, :format, :options]
 
         RESOURCE_SCOPES = [:resource, :resources]
         RESOURCE_METHOD_SCOPES = [:collection, :member, :new]
@@ -1992,12 +1997,6 @@ module ActionDispatch
           OPTIONS
         end
 
-        def mapping_option(name)
-          options = self[:options]
-          return unless options
-          options[name]
-        end
-
         def new(hash)
           self.class.new hash, self, scope_level
         end
-- 
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