From 888979eb80844d89b12e75e4d04b282c9a6a04df Mon Sep 17 00:00:00 2001
From: dej611 <dej611@gmail.com>
Date: Tue, 23 Jun 2020 15:01:01 +0200
Subject: [PATCH] Fix type checker issues

---
 .../components/settings/advanced_settings_form.tsx   | 12 ++++++++----
 .../public/components/settings/settings.test.tsx     |  4 ++--
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/x-pack/plugins/graph/public/components/settings/advanced_settings_form.tsx b/x-pack/plugins/graph/public/components/settings/advanced_settings_form.tsx
index 592c05fc20a5..51f802edec9d 100644
--- a/x-pack/plugins/graph/public/components/settings/advanced_settings_form.tsx
+++ b/x-pack/plugins/graph/public/components/settings/advanced_settings_form.tsx
@@ -38,11 +38,15 @@ export function AdvancedSettingsForm({
   }
 
   function getNumberUpdater<K extends NumberKeys<AdvancedSettings>>(key: K) {
-    return function ({ target: { valueAsNumber } }: { target: { valueAsNumber: number | '' } }) {
+    return function ({
+      target: { valueAsNumber, value },
+    }: {
+      target: { valueAsNumber: number; value: string };
+    }) {
       // if the value is valid, then update the central store, otherwise only the local store
-      if (valueAsNumber === '' || Number.isNaN(valueAsNumber)) {
+      if (Number.isNaN(valueAsNumber)) {
         // localstate update
-        return updateFormState({ ...formState, [key]: valueAsNumber });
+        return updateFormState({ ...formState, [key]: value });
       }
       // do not worry about local store here, the useEffect will pick that up and sync it
       updateSetting(key, valueAsNumber);
@@ -167,7 +171,7 @@ export function AdvancedSettingsForm({
                 defaultMessage:
                   'Max number of documents in a sample that can contain the same value for the',
               })}{' '}
-              <em>{formState.sampleDiversityField!.name}</em>{' '}
+              <em>{formState.sampleDiversityField.name}</em>{' '}
               {i18n.translate(
                 'xpack.graph.settings.advancedSettings.maxValuesInputHelpText.fieldText',
                 {
diff --git a/x-pack/plugins/graph/public/components/settings/settings.test.tsx b/x-pack/plugins/graph/public/components/settings/settings.test.tsx
index 67170026818c..1efaead002b5 100644
--- a/x-pack/plugins/graph/public/components/settings/settings.test.tsx
+++ b/x-pack/plugins/graph/public/components/settings/settings.test.tsx
@@ -181,7 +181,7 @@ describe('settings', () => {
     it('should let the user edit and empty the field to input a new number', () => {
       act(() => {
         input('Sample size').prop('onChange')!({
-          target: { valueAsNumber: '' },
+          target: { value: '', valueAsNumber: NaN },
         } as React.ChangeEvent<HTMLInputElement>);
       });
       // Central state should not be called
@@ -189,7 +189,7 @@ describe('settings', () => {
         updateSettings(
           expect.objectContaining({
             timeoutMillis: 10000,
-            sampleSize: '',
+            sampleSize: NaN,
           })
         )
       );