Specs for locals

spec/test_app/app/assets/javascripts/paloma/_locals.js

@@ -0,0 +1,17 @@
+(function(){
+Paloma.locals['/'] = {};
+locals = Paloma.locals['/'];
+
+// Locals starts here
+locals.applicationHelperMethod = function(){
+  return "I'm from application locals!"
+};
+
+
+locals.toBeOverriden = function(){
+  return "Override me!"
+};
+
+
+// Locals ends here
+})();

spec/test_app/app/assets/javascripts/paloma/foo/_local.js

@@ -1,12 +1,21 @@
 (function(){
 Paloma.callbacks['foo'] = {};
+Paloma.locals['foo'] = {};
+locals = Paloma.locals['foo'];
 
-Paloma.helpers['foo'] = {
-  helperMethod : function(){
-    return 100;
-  },
-
-  helperVariable : 99
+// Locals starts here
+locals.helperMethod = function(){
+  return 100;
 };
 
+locals.helperVariable = 99;
+
+
+locals.toBeOverriden = function(){
+  return "Override!"
+};
+
+
+// Locals ends here
+Paloma.inheritLocals({from : '/', to : 'foo'});
 })();

spec/test_app/app/assets/javascripts/paloma/foo/basic_action.js

@@ -1,15 +1,21 @@
 (function(){
 var _x = Paloma.variableContainer,
-  _H = Paloma.helpers,
-  _h = _H['foo'];
-  
+  _L= Paloma.locals,
+  _l = _L['foo'];
+
 
 Paloma.callbacks['foo']['basic_action'] = function(params)
 {
   window.callback = "['foo']['basic_action']";
   window.params = params;
 
+  window.helperMethodValue = _l.helperMethod();
+  window.helperVariableValue = _l.helperVariable;
+  window.overriden = _l.toBeOverriden();
+
   _x.xVisibility.push('Foo');
+
+  window.locals = _l;
 };
 
 })();

spec/test_app/app/assets/javascripts/paloma/index.js

@@ -1,4 +1,6 @@
 //= require paloma_core.js
+//= require ./_filters.js
+//= require ./_locals.js
 //= require ./foo/_callbacks.js
 //= require ./bar/_callbacks.js
 //= require ./sample_namespace/_callbacks.js

spec/test_app/spec/locals_spec.rb

@@ -0,0 +1,27 @@
+require 'spec_helper'
+
+
+describe 'Locals', :type => :feature, :js => true do
+
+  before do
+    visit basic_action_foo_path
+  end
+
+
+  describe '_l' do
+    it 'has access to local methods' do
+      page.evaluate_script('helperMethodValue').should be 100
+    end
+
+
+    it 'has access to local variables' do
+      page.evaluate_script('helperVariableValue').should be 99
+    end
+
+
+    it 'can override locals from its parent scope' do
+      page.evaluate_script('overriden').should eq 'Override!'
+    end
+  end
+
+end

vendor/assets/javascripts/paloma_core.js

@@ -2,7 +2,7 @@
 window.Paloma = {
   callbacks : {},
   filterScopes : {},
-  helpers : {},
+  locals : {},
   variableContainer : {}
 };
 
@@ -21,6 +21,19 @@ INCLUSION_TYPES.ONLY = 4;
 INCLUSION_TYPES.EXCEPT = 5;
   
 
+Paloma.inheritLocals = function(options){
+  var from = Paloma.locals[options['from']],
+    to = Paloma.locals[options['to']];
+
+  for (var local in from){
+    // Overriding is allowed.
+    if ( to.hasOwnProperty(local) ){ continue; }
+    
+    to[local] = from[local];
+  }
+};
+
+
 
 Paloma.FilterScope = function(name){ 
   this.name = name;