From f16a2c0f48fde1e22ab1ee227007b910fce446b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=A4ggmark?= <hugo.haggmark@gmail.com>
Date: Tue, 15 Jan 2019 19:45:46 +0100
Subject: [PATCH] Fixed NaN issue when parsing

---
 .../src/components/ThresholdsEditor/ThresholdsEditor.tsx      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/grafana-ui/src/components/ThresholdsEditor/ThresholdsEditor.tsx b/packages/grafana-ui/src/components/ThresholdsEditor/ThresholdsEditor.tsx
index 87845dedd7a..9fee8025ec3 100644
--- a/packages/grafana-ui/src/components/ThresholdsEditor/ThresholdsEditor.tsx
+++ b/packages/grafana-ui/src/components/ThresholdsEditor/ThresholdsEditor.tsx
@@ -95,10 +95,12 @@ export class ThresholdsEditor extends PureComponent<Props, State> {
     }
 
     const { thresholds } = this.state;
+    const parsedValue = parseInt(event.target.value, 10);
+    const value = isNaN(parsedValue) ? null : parsedValue;
 
     const newThresholds = thresholds.map(t => {
       if (t === threshold) {
-        t = { ...t, value: parseInt(event.target.value, 10) };
+        t = { ...t, value: value as number };
       }
 
       return t;