fix: jumping content in database tabs

Author: astandrik

src/containers/Tenant/Diagnostics/TenantOverview/TenantDashboard/TenantDashboard.tsx

@@ -6,6 +6,7 @@ import type {
     ChartOptions,
     MetricDescription,
 } from '../../../../../components/MetricChart';
+import {useGraphShardExists} from '../../../../../store/reducers/capabilities/hooks';
 import {cn} from '../../../../../utils/cn';
 import {useAutoRefreshInterval} from '../../../../../utils/hooks';
 
@@ -28,7 +29,13 @@ interface TenantDashboardProps {
 }
 
 export const TenantDashboard = ({database, charts}: TenantDashboardProps) => {
-    const [isDashboardHidden, setIsDashboardHidden] = React.useState<boolean>(true);
+    const graphShardExists = useGraphShardExists();
+
+    // If GraphShardExists capability is true, show dashboard immediately
+    // Otherwise, fall back to reactive behavior (hidden until first chart succeeds)
+    const [isDashboardHidden, setIsDashboardHidden] = React.useState<boolean>(
+        graphShardExists !== true,
+    );
     const [autoRefreshInterval] = useAutoRefreshInterval();
 
     // Refetch data only if dashboard successfully loaded
@@ -40,11 +47,13 @@ export const TenantDashboard = ({database, charts}: TenantDashboardProps) => {
      * 2. ydb version does not have /viewer/json/render endpoint (400, 404, CORS error, etc.)
      *
      * If at least one chart successfully loaded, dashboard should be shown
+     * This fallback behavior is only used when GraphShardExists capability is not available or false
      * @link https://github.com/ydb-platform/ydb-embedded-ui/issues/659
      * @todo disable only for specific errors ('GraphShard is not enabled') after ydb-stable-24 is generally used
      */
     const handleChartDataStatusChange = (chartStatus: ChartDataStatus) => {
-        if (chartStatus === 'success') {
+        // Only use reactive behavior when GraphShardExists capability is not true
+        if (graphShardExists !== true && chartStatus === 'success') {
             setIsDashboardHidden(false);
         }
     };

src/store/reducers/capabilities/capabilities.ts

@@ -65,6 +65,13 @@ export const selectSecuritySetting = createSelector(
         selectDatabaseCapabilities(state, database).data?.Settings?.Security?.[setting],
 );
 
+export const selectGraphShardExists = createSelector(
+    (state: RootState) => state,
+    (_state: RootState, database?: string) => database,
+    (state, database) =>
+        selectDatabaseCapabilities(state, database).data?.Settings?.Database?.GraphShardExists,
+);
+
 export async function queryCapability(
     capability: Capability,
     database: string | undefined,

src/store/reducers/capabilities/hooks.ts

@@ -6,6 +6,7 @@ import {
     capabilitiesApi,
     selectCapabilityVersion,
     selectDatabaseCapabilities,
+    selectGraphShardExists,
     selectMetaCapabilities,
     selectMetaCapabilityVersion,
     selectSecuritySetting,
@@ -98,6 +99,12 @@ const useGetSecuritySetting = (feature: SecuritySetting) => {
     return useTypedSelector((state) => selectSecuritySetting(state, feature, database));
 };
 
+export const useGraphShardExists = () => {
+    const database = useDatabaseFromQuery();
+
+    return useTypedSelector((state) => selectGraphShardExists(state, database));
+};
+
 export const useClusterWithoutAuthInUI = () => {
     return useGetSecuritySetting('UseLoginProvider') === false;
 };

src/types/api/capabilities.ts

@@ -5,6 +5,9 @@ export interface CapabilitiesResponse {
     Capabilities: Record<Partial<Capability>, number>;
     Settings?: {
         Security?: Record<Partial<SecuritySetting>, boolean>;
+        Database?: {
+            GraphShardExists?: boolean;
+        };
     };
 }