From 1be5b08bf41906b3c388b7a9af111e4a3ffd69cf Mon Sep 17 00:00:00 2001
From: Jasper Kang <jasper.kang@automattic.com>
Date: Wed, 23 Oct 2024 15:24:24 +1300
Subject: [PATCH] Stats: Fix possible undefined value (#95601)

* fix possible empty events

* possibly undefined value

* Apply suggestions from code review

* use a default value for possibly not found selected period

* use empty array as default data to avoid undefined value

* use empty array as default data to avoid undefined value

* current_usage could be undefined
---
 .../src/components/odyssey-query-site-purchases.ts             | 2 +-
 client/my-sites/stats/stats-module/all-time-nav.jsx            | 3 ++-
 client/my-sites/stats/stats-notices/index.tsx                  | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/apps/odyssey-stats/src/components/odyssey-query-site-purchases.ts b/apps/odyssey-stats/src/components/odyssey-query-site-purchases.ts
index bc5750174e952..1767836ce7b6d 100644
--- a/apps/odyssey-stats/src/components/odyssey-query-site-purchases.ts
+++ b/apps/odyssey-stats/src/components/odyssey-query-site-purchases.ts
@@ -164,7 +164,7 @@ export default function OdysseyQuerySitePurchases( { siteId }: { siteId: number
 			reduxDispatch( {
 				type: PURCHASES_SITE_FETCH_COMPLETED,
 				siteId,
-				purchases,
+				purchases: purchases ?? [],
 			} );
 		}
 	}, [ purchases, isFetching, reduxDispatch, hasOtherErrors, siteId, purchasesFromMyJetpack ] );
diff --git a/client/my-sites/stats/stats-module/all-time-nav.jsx b/client/my-sites/stats/stats-module/all-time-nav.jsx
index 397b09c87dbd2..bf78cb33663d7 100644
--- a/client/my-sites/stats/stats-module/all-time-nav.jsx
+++ b/client/my-sites/stats/stats-module/all-time-nav.jsx
@@ -120,7 +120,8 @@ export const StatsModuleSummaryLinks = ( props ) => {
 	];
 
 	const numberDays = get( query, 'num', '0' );
-	const selected = find( options, { value: numberDays } );
+	let selected = find( options, { value: numberDays } );
+	selected = selected || options[ 0 ];
 
 	const tabs = (
 		<SegmentedControl
diff --git a/client/my-sites/stats/stats-notices/index.tsx b/client/my-sites/stats/stats-notices/index.tsx
index f25909f0d0379..f93b6bb01f9b7 100644
--- a/client/my-sites/stats/stats-notices/index.tsx
+++ b/client/my-sites/stats/stats-notices/index.tsx
@@ -121,7 +121,7 @@ const NewStatsNotices = ( { siteId, isOdysseyStats, statsPurchaseSuccess }: Stat
 	const hasSignificantViews = !! ( views && views >= SIGNIFICANT_VIEWS_AMOUNT );
 
 	const { data } = usePlanUsageQuery( siteId );
-	const currentUsage = data?.current_usage.views_count || 0;
+	const currentUsage = data?.current_usage?.views_count || 0;
 	const tierLimit = data?.views_limit || null;
 	const isNearLimit = tierLimit ? currentUsage / tierLimit >= 0.9 : false;
 	const isOverLimit = tierLimit ? currentUsage / tierLimit >= 1 : false;