From e39f85ff4bcd45993a65fba6b01a9ef1aac30df8 Mon Sep 17 00:00:00 2001
From: jorgep <jorgep@verdnatura.es>
Date: Tue, 29 Oct 2024 09:56:06 +0100
Subject: [PATCH] fix: refs #8078  improve handleSelection

---
 src/components/VnTable/VnTable.vue | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/components/VnTable/VnTable.vue b/src/components/VnTable/VnTable.vue
index 1e949120f..dc8671369 100644
--- a/src/components/VnTable/VnTable.vue
+++ b/src/components/VnTable/VnTable.vue
@@ -335,10 +335,13 @@ function handleScroll() {
 function handleSelection({ evt, added, rows: selectedRows }, rows) {
     if (evt?.shiftKey && added) {
         const rowIndex = selectedRows[0].$index;
-        selected.value.length = 0;
+        const selectedIndexes = new Set(selected.value.map((row) => row.$index));
         for (const row of rows) {
             if (row.$index == rowIndex) break;
-            selected.value.push(row);
+            if (!selectedIndexes.has(row.$index)) {
+                selected.value.push(row);
+                selectedIndexes.add(row.$index);
+            }
         }
     }
 }