[APM] Prevent "For the last" expression from jumping

Closes elastic#61063.
dgieselaar · Apr 3, 2020 · 1d38731 · 1d38731
1 parent 408baf2
commit 1d38731
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/x-pack/legacy/plugins/apm/public/components/shared/ErrorRateAlertTrigger/index.tsx b/x-pack/legacy/plugins/apm/public/components/shared/ErrorRateAlertTrigger/index.tsx
@@ -58,7 +58,7 @@ export function ErrorRateAlertTrigger(props: Props) {
     </PopoverExpression>,
     <ForLastExpression
       onChangeWindowSize={windowSize =>
-        setAlertParams('windowSize', windowSize)
+        setAlertParams('windowSize', windowSize || '')
       }
       onChangeWindowUnit={windowUnit =>
         setAlertParams('windowUnit', windowUnit)

diff --git a/x-pack/legacy/plugins/apm/public/components/shared/TransactionDurationAlertTrigger/index.tsx b/x-pack/legacy/plugins/apm/public/components/shared/TransactionDurationAlertTrigger/index.tsx
@@ -123,7 +123,7 @@ export function TransactionDurationAlertTrigger(props: Props) {
     </PopoverExpression>,
     <ForLastExpression
       onChangeWindowSize={timeWindowSize =>
-        setAlertParams('windowSize', timeWindowSize)
+        setAlertParams('windowSize', timeWindowSize || '')
       }
       onChangeWindowUnit={timeWindowUnit =>
         setAlertParams('windowUnit', timeWindowUnit)