From 039abb27e49db493aacfb8387ff3182ea716f19f Mon Sep 17 00:00:00 2001
From: Marek Mihok <marek.mihok@h2o.ai>
Date: Tue, 18 Jul 2023 14:32:28 +0200
Subject: [PATCH] fix: do not emit event when model value/values are changed
 programatically #2069

---
 ui/src/table.tsx | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/ui/src/table.tsx b/ui/src/table.tsx
index 62bc286637..4796806a9f 100644
--- a/ui/src/table.tsx
+++ b/ui/src/table.tsx
@@ -912,8 +912,14 @@ export const
       selection = React.useMemo(() => new Fluent.Selection({
         onSelectionChanged: () => {
           const selectedItemKeys = selection.getSelection().map(item => item.key as S)
-          wave.args[m.name] = selectedItemKeys
-          if (m.events?.includes('select')) wave.emit(m.name, 'select', selectedItemKeys)
+          const areEqual = (arr1: any, arr2: any) => {
+            if (arr1.length !== arr2.length) return false
+            return arr1.every((el, idx) => el === arr2[idx])
+          }
+          if (!areEqual(wave.args[m.name], selectedItemKeys)) {
+            wave.args[m.name] = selectedItemKeys
+            if (m.events?.includes('select')) wave.emit(m.name, 'select', selectedItemKeys)
+          }
         }
       }), [m.name, m.events]),
       computeHeight = () => {