UX 870 remove core stat from mobx

frontend/src/components/layout/header.tsx

@@ -13,13 +13,11 @@ import { Box, Button, ColorModeSwitch, CopyButton, Flex } from '@redpanda-data/u
 import { Link, useLocation, useMatchRoute } from '@tanstack/react-router';
 import { Heading } from 'components/redpanda-ui/components/typography';
 import { cn } from 'components/redpanda-ui/lib/utils';
-import { computed } from 'mobx';
-import { observer } from 'mobx-react';
-import { Fragment } from 'react';
+import { Fragment, useMemo } from 'react';
 
 import { isEmbedded } from '../../config';
 import { api } from '../../state/backend-api';
-import { type BreadcrumbEntry, uiState } from '../../state/ui-state';
+import { type BreadcrumbEntry, useUIStateStore } from '../../state/ui-state';
 import { IsDev } from '../../utils/env';
 import DataRefreshButton from '../misc/buttons/data-refresh/component';
 import { UserPreferencesButton } from '../misc/user-preferences';
@@ -69,16 +67,19 @@ function BreadcrumbHeaderRow({ useNewSidebar, breadcrumbItems }: BreadcrumbHeade
   );
 }
 
-const AppPageHeader = observer(() => {
+function AppPageHeader() {
   const showRefresh = useShouldShowRefresh();
-
   const shouldHideHeader = useShouldHideHeader();
   const useNewSidebar = !isEmbedded();
 
-  const breadcrumbItems = computed(() => {
-    const items: BreadcrumbEntry[] = [...uiState.pageBreadcrumbs];
+  const pageBreadcrumbs = useUIStateStore((s) => s.pageBreadcrumbs);
+  const selectedClusterName = useUIStateStore((s) => s.selectedClusterName);
+  const shouldHidePageHeader = useUIStateStore((s) => s.shouldHidePageHeader);
+
+  const breadcrumbItems = useMemo(() => {
+    const items: BreadcrumbEntry[] = [...pageBreadcrumbs];
 
-    if (!isEmbedded() && uiState.selectedClusterName) {
+    if (!isEmbedded() && selectedClusterName) {
       items.unshift({
         heading: '',
         title: 'Cluster',
@@ -87,18 +88,19 @@ const AppPageHeader = observer(() => {
     }
 
     return items;
-  }).get();
+  }, [pageBreadcrumbs, selectedClusterName]);
 
-  const lastBreadcrumb = breadcrumbItems.pop();
+  const lastBreadcrumb = breadcrumbItems.at(-1);
+  const breadcrumbsExceptLast = breadcrumbItems.slice(0, -1);
 
-  if (shouldHideHeader || uiState.shouldHidePageHeader) {
+  if (shouldHideHeader || shouldHidePageHeader) {
     return null;
   }
 
   return (
     <Box>
       {/* we need to refactor out #mainLayout > div rule, for now I've added this box as a workaround */}
-      <BreadcrumbHeaderRow breadcrumbItems={breadcrumbItems} useNewSidebar={useNewSidebar} />
+      <BreadcrumbHeaderRow breadcrumbItems={breadcrumbsExceptLast} useNewSidebar={useNewSidebar} />
 
       <Flex alignItems="center" justifyContent="space-between" pb={2}>
         <Flex alignItems="center">
@@ -140,7 +142,7 @@ const AppPageHeader = observer(() => {
       </Flex>
     </Box>
   );
-});
+}
 
 export default AppPageHeader;
 

frontend/src/components/license/feature-license-notification.tsx

@@ -1,6 +1,5 @@
 import { Alert, AlertDescription, AlertIcon, Box, Flex, Text } from '@redpanda-data/ui';
 import { Link } from 'components/redpanda-ui/components/typography';
-import { observer } from 'mobx-react';
 import { type FC, type ReactElement, useEffect, useState } from 'react';
 
 import {
@@ -173,66 +172,64 @@ const getLicenseAlertContentForFeature = (
   return null;
 };
 
-export const FeatureLicenseNotification: FC<{ featureName: 'reassignPartitions' | 'rbac' }> = observer(
-  ({ featureName }) => {
-    const [registerModalOpen, setIsRegisterModalOpen] = useState(false);
-
-    useEffect(() => {
-      api.refreshClusterOverview().catch(() => {
-        // Error handling managed by API layer
-      });
-      api.listLicenses().catch(() => {
-        // Error handling managed by API layer
-      });
-    }, []);
-
-    const licenses = api.licenses
-      .filter((lic) => lic.type === License_Type.TRIAL || lic.type === License_Type.COMMUNITY)
-      .sort((a, b) => LICENSE_WEIGHT[a.type] - LICENSE_WEIGHT[b.type]); // Sort by priority
-
-    // Choose the license with the latest expiration time
-    const license = getLatestExpiringLicense(licenses);
-
-    // Trial is either baked-in or extended. We need to check if any of the licenses are baked-in.
-    // We say the trial is baked-in if and only if all the licenses are baked-in. There can be a situation where,
-    // use has registered a license, it's updated in the brokers, but the console doesn't have the license re-loaded yet.
-    const bakedInTrial = licenses.every((lic) => isBakedInTrial(lic));
-
-    const enterpriseFeaturesUsed = api.enterpriseFeaturesUsed;
-    const alertContent = getLicenseAlertContentForFeature(
-      featureName,
-      license,
-      enterpriseFeaturesUsed,
-      bakedInTrial,
-      () => {
-        setIsRegisterModalOpen(true);
-      }
-    );
-
-    // This component needs info about whether we're using Redpanda or Kafka, without fetching clusterOverview first, we might get a malformed result
-    if (api.clusterOverview === null) {
-      return null;
+export const FeatureLicenseNotification: FC<{ featureName: 'reassignPartitions' | 'rbac' }> = ({ featureName }) => {
+  const [registerModalOpen, setIsRegisterModalOpen] = useState(false);
+
+  useEffect(() => {
+    api.refreshClusterOverview().catch(() => {
+      // Error handling managed by API layer
+    });
+    api.listLicenses().catch(() => {
+      // Error handling managed by API layer
+    });
+  }, []);
+
+  const licenses = api.licenses
+    .filter((lic) => lic.type === License_Type.TRIAL || lic.type === License_Type.COMMUNITY)
+    .sort((a, b) => LICENSE_WEIGHT[a.type] - LICENSE_WEIGHT[b.type]); // Sort by priority
+
+  // Choose the license with the latest expiration time
+  const license = getLatestExpiringLicense(licenses);
+
+  // Trial is either baked-in or extended. We need to check if any of the licenses are baked-in.
+  // We say the trial is baked-in if and only if all the licenses are baked-in. There can be a situation where,
+  // use has registered a license, it's updated in the brokers, but the console doesn't have the license re-loaded yet.
+  const bakedInTrial = licenses.every((lic) => isBakedInTrial(lic));
+
+  const enterpriseFeaturesUsed = api.enterpriseFeaturesUsed;
+  const alertContent = getLicenseAlertContentForFeature(
+    featureName,
+    license,
+    enterpriseFeaturesUsed,
+    bakedInTrial,
+    () => {
+      setIsRegisterModalOpen(true);
     }
+  );
 
-    if (!license) {
-      return null;
-    }
+  // This component needs info about whether we're using Redpanda or Kafka, without fetching clusterOverview first, we might get a malformed result
+  if (api.clusterOverview === null) {
+    return null;
+  }
 
-    if (alertContent === null) {
-      return null;
-    }
+  if (!license) {
+    return null;
+  }
+
+  if (alertContent === null) {
+    return null;
+  }
 
-    const { message, status } = alertContent;
+  const { message, status } = alertContent;
 
-    return (
-      <Box>
-        <Alert mb={4} status={status} variant="subtle">
-          <AlertIcon />
-          <AlertDescription>{message}</AlertDescription>
-        </Alert>
+  return (
+    <Box>
+      <Alert mb={4} status={status} variant="subtle">
+        <AlertIcon />
+        <AlertDescription>{message}</AlertDescription>
+      </Alert>
 
-        <RegisterModal isOpen={registerModalOpen} onClose={() => setIsRegisterModalOpen(false)} />
-      </Box>
-    );
-  }
-);
+      <RegisterModal isOpen={registerModalOpen} onClose={() => setIsRegisterModalOpen(false)} />
+    </Box>
+  );
+};

frontend/src/components/license/license-notification.tsx

@@ -1,6 +1,5 @@
 import { Alert, AlertDescription, AlertIcon, Box, Button, Flex } from '@redpanda-data/ui';
 import { Link, useLocation } from '@tanstack/react-router';
-import { observer } from 'mobx-react';
 
 import {
   coreHasEnterpriseFeatures,
@@ -16,7 +15,7 @@ import { api } from '../../state/backend-api';
 import { capitalizeFirst } from '../../utils/utils';
 
 // biome-ignore lint/complexity/noExcessiveCognitiveComplexity: complex business logic
-export const LicenseNotification = observer(() => {
+export const LicenseNotification = () => {
   const location = useLocation();
 
   // This Global License Notification banner is used only for Enterprise licenses
@@ -134,4 +133,4 @@ export const LicenseNotification = observer(() => {
       </Alert>
     </Box>
   );
-});
+};

frontend/src/components/license/overview-license-notification.tsx

@@ -1,6 +1,5 @@
 import { Alert, AlertDescription, AlertIcon, Box, Flex, Text } from '@redpanda-data/ui';
 import { Link } from 'components/redpanda-ui/components/typography';
-import { observer } from 'mobx-react';
 import { type FC, type ReactElement, useEffect, useState } from 'react';
 
 import {
@@ -254,7 +253,7 @@ const getLicenseAlertContent = (
   return null;
 };
 
-export const OverviewLicenseNotification: FC = observer(() => {
+export const OverviewLicenseNotification: FC = () => {
   const [registerModalOpen, setIsRegisterModalOpen] = useState(false);
 
   useEffect(() => {
@@ -297,4 +296,4 @@ export const OverviewLicenseNotification: FC = observer(() => {
       <RegisterModal isOpen={registerModalOpen} onClose={() => setIsRegisterModalOpen(false)} />
     </Box>
   );
-});
+};

frontend/src/components/license/register-modal.tsx

@@ -20,7 +20,6 @@ import {
   VStack,
 } from '@redpanda-data/ui';
 import { CheckIcon } from 'components/icons';
-import { observer } from 'mobx-react';
 import { useState } from 'react';
 import { Controller, type SubmitHandler, useForm } from 'react-hook-form';
 import { capitalizeFirst } from 'utils/utils';
@@ -62,7 +61,7 @@ type RegisterModalProps = {
   onClose: () => void;
 };
 
-export const RegisterModal = observer(({ isOpen, onClose }: RegisterModalProps) => {
+export const RegisterModal = ({ isOpen, onClose }: RegisterModalProps) => {
   const [isSubmitting, setIsSubmitting] = useState(false);
   const [fieldErrors, setFieldErrors] = useState<Record<string, string>>({});
   const [isSuccess, setIsSuccess] = useState(false);
@@ -309,4 +308,4 @@ export const RegisterModal = observer(({ isOpen, onClose }: RegisterModalProps)
       </ModalContent>
     </Modal>
   );
-});
+};