From 5bf12930b515b121da54e7ec6b065defdbedf369 Mon Sep 17 00:00:00 2001
From: Yuchao Wu <yuchao.sydneyuni@gmail.com>
Date: Sun, 2 Jan 2022 19:35:25 +1100
Subject: [PATCH] fix(VData): reset sortBy & sortDesc when they are empty array

fixes #14423
---
 packages/vuetify/src/components/VData/VData.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/vuetify/src/components/VData/VData.ts b/packages/vuetify/src/components/VData/VData.ts
index 7bb29b52f0d..9bc7a9d4054 100644
--- a/packages/vuetify/src/components/VData/VData.ts
+++ b/packages/vuetify/src/components/VData/VData.ts
@@ -328,7 +328,12 @@ export default Vue.extend({
         this.internalOptions.mustSort,
         this.internalOptions.multiSort
       )
-      this.updateOptions({ sortBy, sortDesc, page })
+
+      this.updateOptions({
+        sortBy: sortBy.length ? sortBy : [''], // When array is empty, reset to its initial value
+        sortDesc: sortDesc.length ? sortDesc : [false], // When array is empty, reset to its initial value
+        page,
+      })
     },
     sortArray (sortBy: string[]) {
       const sortDesc = sortBy.map(s => {