From 014bcb7f40d35d080611d02d546c12c2c602b88a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cau=C3=AA=20Marcondes?=
 <55978943+cauemarcondes@users.noreply.github.com>
Date: Tue, 15 Mar 2022 09:30:06 -0400
Subject: [PATCH] [APM] Show chart tooltip on hover even for empty buckets
 (#127665)

* show tooltip when null

* showNullValues
---
 .../public/components/shared/charts/breakdown_chart/index.tsx   | 2 +-
 .../apm/public/components/shared/charts/timeseries_chart.tsx    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/x-pack/plugins/apm/public/components/shared/charts/breakdown_chart/index.tsx b/x-pack/plugins/apm/public/components/shared/charts/breakdown_chart/index.tsx
index a6989897641bd..0d4c856a33a3d 100644
--- a/x-pack/plugins/apm/public/components/shared/charts/breakdown_chart/index.tsx
+++ b/x-pack/plugins/apm/public/components/shared/charts/breakdown_chart/index.tsx
@@ -97,7 +97,7 @@ export function BreakdownChart({
     <ChartContainer height={height} hasData={!isEmpty} status={fetchStatus}>
       <Chart ref={chartRef}>
         <Settings
-          tooltip={{ stickTo: 'top' }}
+          tooltip={{ stickTo: 'top', showNullValues: true }}
           onBrushEnd={(event) =>
             onBrushEnd({ x: (event as XYBrushEvent).x, history })
           }
diff --git a/x-pack/plugins/apm/public/components/shared/charts/timeseries_chart.tsx b/x-pack/plugins/apm/public/components/shared/charts/timeseries_chart.tsx
index a2860c4579dcd..ff93e82de1612 100644
--- a/x-pack/plugins/apm/public/components/shared/charts/timeseries_chart.tsx
+++ b/x-pack/plugins/apm/public/components/shared/charts/timeseries_chart.tsx
@@ -111,7 +111,7 @@ export function TimeseriesChart({
     >
       <Chart ref={chartRef} id={id}>
         <Settings
-          tooltip={{ stickTo: 'top' }}
+          tooltip={{ stickTo: 'top', showNullValues: true }}
           onBrushEnd={(event) =>
             onBrushEnd({ x: (event as XYBrushEvent).x, history })
           }