add and ; fix checking

Author: danielcavanagh

lib/node-rules.js

@@ -100,6 +100,17 @@
         switch (key) {
         case '$field': return [true, dig(facts, value.$field)];
 
+        case '$clone':
+            var [isValid, value] = compileValue(facts, value[key]);
+            if (!isValid)
+              throw new Error('Invalid property for clone: ' + key);
+            return [true, _.clone(value)];
+        case '$cloneDeep':
+            var [isValid, value] = compileValue(facts, value[key]);
+            if (!isValid)
+              throw new Error('Invalid property for deep clone: ' + key);
+            return [true, cloneDeep(value)];
+
         case '$minOf':
         case '$maxOf':
         case '$sumOf':
@@ -199,7 +210,7 @@
                 }
             }
 
-            // FIXME? should this be isValid?
+            // FIXME? should this be `isValid?`
             return value !== undefined ? fact == value : checkConditions(fact, subConds, true);
         });
     };
@@ -213,7 +224,7 @@
         _.each(_.isArray(operations) ? operations : [operations], function (subOps, i) {
             if (subOps.$each) {
                 return _.each(fact, function (subFact, subKey) {
-                    if (!subOps.$where || checkConditions(subFact, subOps.$where, true))
+                    if (!subOps.$where || checkConditions({ item: subFact }, { item: subOps.$where }, true))
                         updateFact(facts, _.isString(subKey) ? key + '.' + subKey : key + '[' + subKey + ']', subOps.$each);
                 });
             }