fix: Replace calls to timeAgo with formatDateAsTimeAgo

src/components/ControlPlane/FluxList.tsx

@@ -5,7 +5,7 @@ import { useApiResource } from '../../lib/api/useApiResource';
 import { FluxRequest } from '../../lib/api/types/flux/listGitRepo';
 import { FluxKustomization, KustomizationsResponse } from '../../lib/api/types/flux/listKustomization';
 import { useTranslation } from 'react-i18next';
-import { timeAgo } from '../../utils/i18n/timeAgo.ts';
+import { formatDateAsTimeAgo } from '../../utils/i18n/timeAgo.ts';
 
 import { YamlViewButton } from '../Yaml/YamlViewButton.tsx';
 import { useMemo } from 'react';
@@ -148,7 +148,7 @@ export default function FluxList() {
         isReady: readyObject?.status === 'True',
         statusUpdateTime: readyObject?.lastTransitionTime,
         revision: shortenCommitHash(item.status.artifact?.revision ?? '-'),
-        created: timeAgo.format(new Date(item.metadata.creationTimestamp)),
+        created: formatDateAsTimeAgo(item.metadata.creationTimestamp),
         item: item,
         readyMessage: readyObject?.message ?? readyObject?.reason ?? '',
       };
@@ -161,7 +161,7 @@ export default function FluxList() {
         name: item.metadata.name,
         isReady: readyObject?.status === 'True',
         statusUpdateTime: readyObject?.lastTransitionTime,
-        created: timeAgo.format(new Date(item.metadata.creationTimestamp)),
+        created: formatDateAsTimeAgo(item.metadata.creationTimestamp),
         item: item,
         readyMessage: readyObject?.message ?? readyObject?.reason ?? '',
       };

src/components/ControlPlane/ManagedResources.tsx

@@ -7,7 +7,7 @@ import {
 } from '@ui5/webcomponents-react';
 import { useApiResource } from '../../lib/api/useApiResource';
 import { ManagedResourcesRequest } from '../../lib/api/types/crossplane/listManagedResources';
-import { timeAgo } from '../../utils/i18n/timeAgo';
+import { formatDateAsTimeAgo } from '../../utils/i18n/timeAgo';
 import IllustratedError from '../Shared/IllustratedError';
 import '@ui5/webcomponents-icons/dist/sys-enter-2';
 import '@ui5/webcomponents-icons/dist/sys-cancel-2';
@@ -125,7 +125,7 @@ export function ManagedResources() {
           return {
             kind: item.kind,
             name: item.metadata.name,
-            created: timeAgo.format(new Date(item.metadata.creationTimestamp)),
+            created: formatDateAsTimeAgo(item.metadata.creationTimestamp),
             synced: conditionSynced?.status === 'True',
             syncedTransitionTime: conditionSynced?.lastTransitionTime ?? '',
             ready: conditionReady?.status === 'True',

src/components/ControlPlane/Providers.tsx

@@ -11,7 +11,7 @@ import { useApiResource } from '../../lib/api/useApiResource';
 import IllustratedError from '../Shared/IllustratedError';
 import { ProvidersListRequest } from '../../lib/api/types/crossplane/listProviders';
 import { resourcesInterval } from '../../lib/shared/constants';
-import { timeAgo } from '../../utils/i18n/timeAgo';
+import { formatDateAsTimeAgo } from '../../utils/i18n/timeAgo';
 
 import { YamlViewButton } from '../Yaml/YamlViewButton.tsx';
 
@@ -123,7 +123,7 @@ export function Providers() {
       const healthy = item.status?.conditions?.find((condition) => condition.type === 'Healthy');
       return {
         name: item.metadata.name,
-        created: timeAgo.format(new Date(item.metadata.creationTimestamp)),
+        created: formatDateAsTimeAgo(item.metadata.creationTimestamp),
         installed: installed?.status === 'True' ? 'true' : 'false',
         installedTransitionTime: installed?.lastTransitionTime ?? '',
         healthy: healthy?.status === 'True' ? 'true' : 'false',

src/components/ControlPlane/ProvidersConfig.tsx

@@ -8,7 +8,7 @@ import {
 import '@ui5/webcomponents-icons/dist/sys-enter-2';
 import '@ui5/webcomponents-icons/dist/sys-cancel-2';
 import { useProvidersConfigResource } from '../../lib/api/useApiResource';
-import { timeAgo } from '../../utils/i18n/timeAgo';
+import { formatDateAsTimeAgo } from '../../utils/i18n/timeAgo';
 
 import { YamlViewButton } from '../Yaml/YamlViewButton.tsx';
 
@@ -46,7 +46,7 @@ export function ProvidersConfig() {
           parent: provider.provider,
           name: config.metadata.name,
           usage: config?.status?.users ?? '0',
-          created: timeAgo.format(new Date(config.metadata.creationTimestamp)),
+          created: formatDateAsTimeAgo(config.metadata.creationTimestamp),
           resource: config,
         });
       });

src/components/Shared/ResourceStatusCell.tsx

@@ -1,5 +1,5 @@
 import { ButtonDomRef, FlexBox, Icon, ResponsivePopover, Text } from '@ui5/webcomponents-react';
-import { timeAgo } from '../../utils/i18n/timeAgo';
+import { formatDateAsTimeAgo } from '../../utils/i18n/timeAgo';
 import { useRef, useState } from 'react';
 import { AnimatedHoverTextButton } from '../Helper/AnimatedHoverTextButton.tsx';
 import PopoverPlacement from '@ui5/webcomponents/dist/types/PopoverPlacement.js';
@@ -36,7 +36,7 @@ export const ResourceStatusCell = ({
             design={isOk ? 'Positive' : 'Negative'}
             name={isOk ? 'sys-enter-2' : 'sys-cancel-2'}
             showTooltip={true}
-            accessibleName={transitionTime ? timeAgo.format(new Date(transitionTime)) : '-'}
+            accessibleName={transitionTime ? formatDateAsTimeAgo(transitionTime) : '-'}
           />
         }
         text={isOk ? positiveText : negativeText}
@@ -64,7 +64,7 @@ export const ResourceStatusCell = ({
               color: isOk ? 'var(--sapPositiveTextColor)' : 'var(--sapNegativeTextColor)',
             }}
           >
-            {timeAgo.format(new Date(transitionTime))}
+            {formatDateAsTimeAgo(transitionTime)}
           </Text>
         </FlexBox>
       </ResponsivePopover>

src/utils/i18n/timeAgo.spec.ts

@@ -0,0 +1,44 @@
+import { describe, it, expect, vi, beforeAll, afterAll } from 'vitest';
+import { formatDateAsTimeAgo } from './timeAgo.ts';
+
+const MOCK_DATE = '2025-08-11T12:00:00.000Z';
+
+describe('formatDateAsTimeAgo', () => {
+  beforeAll(() => {
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date(MOCK_DATE));
+  });
+
+  afterAll(() => {
+    vi.useRealTimers();
+  });
+
+  it('should format a recent ISO date string correctly', () => {
+    const date = '2025-08-11T11:59:00.000Z';
+    expect(formatDateAsTimeAgo(date)).toBe('1 minute ago');
+  });
+
+  it('should format a date string from a few hours ago', () => {
+    const date = '2025-08-11T09:00:00.000Z';
+    expect(formatDateAsTimeAgo(date)).toBe('3 hours ago');
+  });
+
+  it('should return an empty string for an invalid date string', () => {
+    const invalidDate = '[INVALID DATE]';
+    expect(formatDateAsTimeAgo(invalidDate)).toBe('');
+  });
+
+  it('should return an empty string for an empty input string', () => {
+    expect(formatDateAsTimeAgo('')).toBe('');
+  });
+
+  it('should return an empty string for null input', () => {
+    // @ts-expect-error: Ensuring the function is robust against non-string runtime values
+    expect(formatDateAsTimeAgo(null)).toBe('');
+  });
+
+  it('should return an empty string for an undefined input', () => {
+    // @ts-expect-error: Ensuring the function is robust against non-string runtime values
+    expect(formatDateAsTimeAgo(undefined)).toBe('');
+  });
+});

src/utils/i18n/timeAgo.ts

@@ -2,4 +2,13 @@ import en from 'javascript-time-ago/locale/en';
 import TimeAgo from 'javascript-time-ago';
 
 TimeAgo.addDefaultLocale(en);
-export const timeAgo = new TimeAgo('en-US');
+const timeAgo = new TimeAgo('en-US');
+
+export function formatDateAsTimeAgo(dateString: string) {
+  const date = new Date(dateString);
+
+  if (!dateString || isNaN(date.getTime())) {
+    return '';
+  }
+  return timeAgo.format(date);
+}