Refactoring method to check as pseudo annotation values

Author: elmasse

lib/cocktail.js

@@ -193,12 +193,20 @@ cocktail = {
 
     },
 
+    /**
+     * @private
+     * returns true if the given subject has a pseudo annotation `@as` with the given value.
+     */
+    _isSubjectDefinedAs: function (subject, asType) {
+        return (subject && subject['@as'] && subject['@as'].toLowerCase() === asType);
+    },
+
     /**
      * @private
      * returns true if the given subject is a class definition object.
      */
     _isClassDefition: function (subject) {
-        var isClassDef = (subject && subject['@as'] && subject['@as'].toLowerCase() === 'class'),
+        var isClassDef = this._isSubjectDefinedAs(subject, 'class'),
             definitionProps = ['constructor', '@extends', '@traits', '@requires', '@annotation'],
             key;
 
@@ -219,7 +227,7 @@ cocktail = {
      * returns true if the given subject is a module definition object.
      */
     _isModuleDefinition: function (subject) {
-        return (subject && subject['@as'] && subject['@as'].toLowerCase() === 'module');
+        return this._isSubjectDefinedAs(subject, 'module');
     },
 
     /**
@@ -312,6 +320,7 @@ cocktail = {
 
 };
 
+//export module
 module.exports = cocktail;
 
 /**
@@ -332,7 +341,7 @@ cocktail._DEFAULT_PROCESSORS = {
     '@static'     : require('./processor/annotation/Static'),
 };
 
-
+//register processors
 cocktail.registerProcessors(cocktail._DEFAULT_PROCESSORS);
 
 /**