Added cases for returType.Exists in exp_lists and exp_maps

Author: DomPeliniAerospike

lib/exp_lists.js

@@ -47,6 +47,9 @@ function getListType (type, returnType, isMulti) {
         expected = exp.type.LIST
       }
       break
+    case lists.returnType.EXISTS:
+      expected = exp.type.BOOL
+      break
     case lists.returnType.NONE:
     default:
       throw new TypeError('either set the return type as auto or match with return object data type')

lib/exp_maps.js

@@ -33,6 +33,9 @@ function getMapType (type, returnType, isMulti) {
         expected = exp.type.LIST
       }
       break
+    case maps.returnType.EXISTS:
+      expected = exp.type.BOOL
+      break
     case maps.returnType.KEY_VALUE:
     case maps.returnType.ORDERED_MAP:
     case maps.returnType.UNORDERED_MAP: