From 510a5b324240032faa56c21af9b2d82375b83199 Mon Sep 17 00:00:00 2001
From: tiwarir <rahul.tiwari@netscout.com>
Date: Mon, 29 Jun 2026 14:15:35 -0400
Subject: [PATCH] fix(line): respect disabled emphasis in hover. close #21634

---
 src/chart/line/LineView.ts | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/chart/line/LineView.ts b/src/chart/line/LineView.ts
index 847a876495..f7f2281f99 100644
--- a/src/chart/line/LineView.ts
+++ b/src/chart/line/LineView.ts
@@ -942,9 +942,14 @@ class LineView extends ChartView {
     ) {
         const data = seriesModel.getData();
         const dataIndex = modelUtil.queryDataIndex(data, payload);
+        const emphasisDisabled = seriesModel.getModel('emphasis').get('disabled');
 
         this._changePolyState('emphasis');
 
+        if (emphasisDisabled) {
+            return;
+        }
+
         if (!(dataIndex instanceof Array) && dataIndex != null && dataIndex >= 0) {
             const points = data.getLayout('points');
             let symbol = data.getItemGraphicEl(dataIndex) as SymbolClz;
@@ -1001,6 +1006,7 @@ class LineView extends ChartView {
     ) {
         const data = seriesModel.getData();
         const dataIndex = modelUtil.queryDataIndex(data, payload) as number;
+        const emphasisDisabled = seriesModel.getModel('emphasis').get('disabled');
 
         this._changePolyState('normal');
 
@@ -1011,12 +1017,12 @@ class LineView extends ChartView {
                     data.setItemGraphicEl(dataIndex, null);
                     this.group.remove(symbol);
                 }
-                else {
+                else if (!emphasisDisabled) {
                     symbol.downplay();
                 }
             }
         }
-        else {
+        else if (!emphasisDisabled) {
             // FIXME
             // can not downplay completely.
             // Downplay whole series