added comment to documentation and Gon.clear if variables exists

torbjon · torbjon · commit c6001b665610 · 2012-05-22T18:08:42.000+03:00
diff --git a/README.md b/README.md
@@ -82,6 +82,16 @@ You can change the namespace of the variables:
   ...
 ```
 
+You can initialize window.gon = {}; on each request
+
+``` erb
+<head>
+  <title>some title</title>
+  <%= include_gon(:init => true) %>
+  <!-- include your action js code with 'serverExports' namespace -->
+  ...
+```
+
 You can get json without script tag (kudos to @afa):
 
 ``` erb
diff --git a/lib/gon/helpers.rb b/lib/gon/helpers.rb
@@ -14,6 +14,7 @@ def include_gon(options = {})
           Gon.clear
           Gon::Base.render_data(options)
         elsif options[:init].present?
+          Gon.clear if Gon.all_variables.present?
           Gon::Base.render_data(options)
         else
           ""
diff --git a/spec/gon/basic_spec.rb b/spec/gon/basic_spec.rb
@@ -81,7 +81,8 @@
 
     
     it 'outputs correct js without variables, without tag and gon init' do
-      @base.include_gon(need_tag: false, init: true).should == 'window.gon = {};'
+      @base.include_gon(need_tag: false, init: true).should == \
+                                  'window.gon = {};'
     end
 
     it 'outputs correct js without variables, without tag and gon init' do
