From edb799bf82556b8d8581be7d28be271a63d43c43 Mon Sep 17 00:00:00 2001
From: Leon Sorokin <leeoniya@gmail.com>
Date: Sat, 17 Feb 2024 00:35:41 -0600
Subject: [PATCH] VizTooltips: Fix drag-zoom causing annotation init in other
 shared-cursor panels (#82986)

---
 .../src/components/uPlot/plugins/TooltipPlugin2.tsx         | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/grafana-ui/src/components/uPlot/plugins/TooltipPlugin2.tsx b/packages/grafana-ui/src/components/uPlot/plugins/TooltipPlugin2.tsx
index e9590c434b2..3b755bc379f 100644
--- a/packages/grafana-ui/src/components/uPlot/plugins/TooltipPlugin2.tsx
+++ b/packages/grafana-ui/src/components/uPlot/plugins/TooltipPlugin2.tsx
@@ -341,8 +341,10 @@ export const TooltipPlugin2 = ({
     });
 
     config.addHook('setSelect', (u) => {
-      if (clientZoom || queryZoom != null) {
-        if (maybeZoomAction(u.cursor!.event)) {
+      let e = u.cursor!.event;
+
+      if (e != null && (clientZoom || queryZoom != null)) {
+        if (maybeZoomAction(e)) {
           if (clientZoom && yDrag) {
             if (u.select.height >= MIN_ZOOM_DIST) {
               for (let key in u.scales!) {