From aa50f135dd3e2ae7688b388eba2ad5c7fd7952a2 Mon Sep 17 00:00:00 2001
From: Chris Kalmar <christian.kalmar@gmail.com>
Date: Mon, 6 Jun 2022 23:22:29 +0200
Subject: [PATCH] improve attributes check on prefilter definition

---
 src/engine/filter.ts | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/engine/filter.ts b/src/engine/filter.ts
index 15f0faef..4706e6f3 100644
--- a/src/engine/filter.ts
+++ b/src/engine/filter.ts
@@ -8,10 +8,11 @@ import {
   isFunction,
 } from './util';
 import { isObjectDataType, ObjectDataType } from './datatype/ObjectDataType';
+import { DataTypeFunction } from './datatype/DataType';
 
 type PreFilter = {
   [key: string]: {
-    resolve: Function;
+    resolve: () => unknown;
     attributes?: ObjectDataType;
   };
 };
@@ -173,6 +174,22 @@ const isPreFilter = (preFilterDefinition: PreFilter) => {
       ) {
         return true;
       }
+
+      if (isFunction(preFilterDefinition.attributes)) {
+        const dataTypeBuilder =
+          preFilterDefinition.attributes as DataTypeFunction;
+
+        const attributesType = dataTypeBuilder({
+          setup: {
+            name: 'temporary',
+            description: 'temporary',
+          },
+        });
+
+        if (isObjectDataType(attributesType)) {
+          return true;
+        }
+      }
     }
   }