From 18b916d9faffc9c1dc04f19b52d407d9cd605977 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felix=20St=C3=BCrmer?= <stuermer@weltenwort.de>
Date: Wed, 6 Jan 2021 20:37:10 +0100
Subject: [PATCH] Fix the ability to switch to the ratio alert type

---
 .../components/expression_editor/editor.tsx    | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/x-pack/plugins/infra/public/alerting/log_threshold/components/expression_editor/editor.tsx b/x-pack/plugins/infra/public/alerting/log_threshold/components/expression_editor/editor.tsx
index f69ca798c01b0..82f491c389029 100644
--- a/x-pack/plugins/infra/public/alerting/log_threshold/components/expression_editor/editor.tsx
+++ b/x-pack/plugins/infra/public/alerting/log_threshold/components/expression_editor/editor.tsx
@@ -14,10 +14,12 @@ import {
   ForLastExpression,
 } from '../../../../../../triggers_actions_ui/public';
 import {
-  PartialAlertParams,
   Comparator,
   isRatioAlert,
+  PartialAlertParams,
+  PartialCountAlertParams,
   PartialCriteria as PartialCriteriaType,
+  PartialRatioAlertParams,
   ThresholdType,
   timeUnitRT,
 } from '../../../../../common/alerting/logs/log_threshold/types';
@@ -47,7 +49,7 @@ interface LogsContextMeta {
 
 const DEFAULT_BASE_EXPRESSION = {
   timeSize: 5,
-  timeUnit: 'm',
+  timeUnit: 'm' as const,
 };
 
 const DEFAULT_FIELD = 'log.level';
@@ -60,7 +62,9 @@ const createDefaultCriterion = (
     ? { field: DEFAULT_FIELD, comparator: Comparator.EQ, value }
     : { field: undefined, comparator: undefined, value: undefined };
 
-const createDefaultCountAlertParams = (availableFields: LogIndexField[]) => ({
+const createDefaultCountAlertParams = (
+  availableFields: LogIndexField[]
+): PartialCountAlertParams => ({
   ...DEFAULT_BASE_EXPRESSION,
   count: {
     value: 75,
@@ -69,15 +73,17 @@ const createDefaultCountAlertParams = (availableFields: LogIndexField[]) => ({
   criteria: [createDefaultCriterion(availableFields, 'error')],
 });
 
-const createDefaultRatioAlertParams = (availableFields: LogIndexField[]) => ({
+const createDefaultRatioAlertParams = (
+  availableFields: LogIndexField[]
+): PartialRatioAlertParams => ({
   ...DEFAULT_BASE_EXPRESSION,
   count: {
     value: 2,
     comparator: Comparator.GT,
   },
   criteria: [
-    createDefaultCriterion(availableFields, 'error'),
-    createDefaultCriterion([], 'warning'),
+    [createDefaultCriterion(availableFields, 'error')],
+    [createDefaultCriterion(availableFields, 'warning')],
   ],
 });