From 014126a43eac0460a9c1975d7a0bfb44678bb8c4 Mon Sep 17 00:00:00 2001
From: Leon Sorokin <leeoniya@gmail.com>
Date: Thu, 25 May 2023 14:25:26 -0500
Subject: [PATCH] TimeSeries: Fix centeredZero y axis ranging when all values
 are 0 (#69034)

---
 .../src/components/uPlot/config/UPlotScaleBuilder.ts        | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/grafana-ui/src/components/uPlot/config/UPlotScaleBuilder.ts b/packages/grafana-ui/src/components/uPlot/config/UPlotScaleBuilder.ts
index f07a9c8c0cd..30a91c20b07 100644
--- a/packages/grafana-ui/src/components/uPlot/config/UPlotScaleBuilder.ts
+++ b/packages/grafana-ui/src/components/uPlot/config/UPlotScaleBuilder.ts
@@ -173,6 +173,12 @@ export class UPlotScaleBuilder extends PlotConfigBuilder<ScaleProps, Scale> {
           let absMin = Math.abs(dataMin!);
           let absMax = Math.abs(dataMax!);
           let max = Math.max(absMin, absMax);
+
+          // flat 0
+          if (max === 0) {
+            max = 80;
+          }
+
           dataMin = -max;
           dataMax = max;
         }