From e4397b1f75ca7af3afeeb962b479a41c6726abd7 Mon Sep 17 00:00:00 2001
From: dominik-zeglen <flesz3@o2.pl>
Date: Fri, 10 Jan 2020 17:18:59 +0100
Subject: [PATCH] Fix sorting input typing

---
 src/utils/sort.ts | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/utils/sort.ts b/src/utils/sort.ts
index 6288e8191..0a12f26af 100644
--- a/src/utils/sort.ts
+++ b/src/utils/sort.ts
@@ -79,8 +79,16 @@ export function createGetSortQueryVariables<
 >(
   getSortQueryField: GetSortQueryField<TUrlField, TSortField>
 ): GetSortQueryVariables<TSortField, TParams> {
-  return (params: TParams) => ({
-    direction: getOrderDirection(params.asc),
-    field: getSortQueryField(params.sort)
-  });
+  return (params: TParams) => {
+    const field = getSortQueryField(params.sort);
+
+    if (!!field) {
+      return {
+        direction: getOrderDirection(params.asc),
+        field
+      };
+    }
+
+    return undefined;
+  };
 }