Merge pull request #16 from query-string/master

Might be convenient to allow multiple areas purging

README.md

@@ -87,10 +87,11 @@ You can also replace any content provided by parent layouts:
 
 ### Removing content with `purge`
 
-You can remove the content of the area:
+You can remove the content in the single or in multiple areas
 
 ``` erb
 <% purge :sidebar %>
+<% purge :sidebar, :banner %>
 ```
 
 ... which is equal to:

lib/nestive/layout_helper.rb

@@ -200,8 +200,8 @@ def replace(name, content=nil, &block)
     #
     # @param [Symbol] name
     #   A name to identify the area of content you wish to purge
-    def purge(name)
-      replace name, nil
+    def purge(*names)
+      names.each{|name| replace(name, nil)}
     end
 
     private

spec/controllers/nestive_spec.rb

@@ -57,10 +57,16 @@
   end
 
   context '#purge' do
-    it 'purge area content' do
-      get :purge
+    it 'purge single area content' do
+      get :purge_single
       assert_select 'title'
     end
+
+    it 'purge few areas content' do
+      get :purge_multiple
+      assert_select 'title'
+      assert_select '#some-area'
+    end
   end
 
   context '#extends' do
@@ -84,4 +90,4 @@
     end
   end
 
-end
+end

spec/internal/app/views/nestive/purge_multiple.html.erb

@@ -0,0 +1,3 @@
+<h1>multiple purge area</h1>
+
+<% purge :title, :some_area %>

spec/internal/app/views/nestive/purge_single.html.erb

@@ -0,0 +1,3 @@
+<h1>single purge area</h1>
+
+<% purge :title %>