Ensure UI config is fetched before other queries

airflow/ui/src/main.tsx

@@ -17,7 +17,7 @@
  * under the License.
  */
 import { ChakraProvider, defaultSystem } from "@chakra-ui/react";
-import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+import { QueryClientProvider } from "@tanstack/react-query";
 import axios, { type AxiosError } from "axios";
 import { StrictMode } from "react";
 import { createRoot } from "react-dom/client";
@@ -27,22 +27,7 @@ import { ColorModeProvider } from "src/context/colorMode";
 import { TimezoneProvider } from "src/context/timezone";
 import { router } from "src/router";
 
-const queryClient = new QueryClient({
-  defaultOptions: {
-    mutations: {
-      retry: 1,
-      retryDelay: 500,
-    },
-    queries: {
-      initialDataUpdatedAt: new Date().setMinutes(-6), // make sure initial data is already expired
-      refetchOnMount: true, // Refetches stale queries, not "always"
-      refetchOnWindowFocus: false,
-      retry: 1,
-      retryDelay: 500,
-      staleTime: 5 * 60 * 1000, // 5 minutes
-    },
-  },
-});
+import { queryClient } from "./queryClient";
 
 // redirect to login page if the API responds with unauthorized or forbidden errors
 axios.interceptors.response.use(

airflow/ui/src/queries/useDags.tsx

@@ -25,13 +25,6 @@ import type {
   DAGWithLatestDagRunsResponse,
 } from "openapi/requests/types.gen";
 
-const queryOptions = {
-  refetchOnMount: true,
-  refetchOnReconnect: false,
-  refetchOnWindowFocus: false,
-  staleTime: 5 * 60 * 1000,
-};
-
 export type DagWithLatest = {
   last_run_start_date: string;
 } & DAGWithLatestDagRunsResponse;
@@ -50,28 +43,19 @@ export const useDags = (
     tags?: Array<string>;
   } = {},
 ) => {
-  const offsetDefined =
-    searchParams.offset === undefined ? false : !isNaN(searchParams.offset);
-  const { data, error, isFetching, isLoading } = useDagServiceGetDags(
-    searchParams,
-    undefined,
-    { ...queryOptions, enabled: offsetDefined },
-  );
+  const { data, error, isFetching, isLoading } =
+    useDagServiceGetDags(searchParams);
 
   const { orderBy, ...runsParams } = searchParams;
   const {
     data: runsData,
     error: runsError,
     isFetching: isRunsFetching,
     isLoading: isRunsLoading,
-  } = useDagsServiceRecentDagRuns(
-    {
-      ...runsParams,
-      dagRunsLimit: 14,
-    },
-    undefined,
-    { ...queryOptions, enabled: offsetDefined },
-  );
+  } = useDagsServiceRecentDagRuns({
+    ...runsParams,
+    dagRunsLimit: 14,
+  });
 
   const dags = (data?.dags ?? []).map((dag) => {
     const dagWithRuns = runsData?.dags.find(

airflow/ui/src/queryClient.ts

@@ -0,0 +1,36 @@
+/*!
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import { QueryClient } from "@tanstack/react-query";
+
+export const queryClient = new QueryClient({
+  defaultOptions: {
+    mutations: {
+      retry: 1,
+      retryDelay: 500,
+    },
+    queries: {
+      initialDataUpdatedAt: new Date().setMinutes(-6), // make sure initial data is already expired
+      refetchOnMount: true, // Refetches stale queries, not "always"
+      refetchOnWindowFocus: false,
+      retry: 1,
+      retryDelay: 500,
+      staleTime: 5 * 60 * 1000, // 5 minutes
+    },
+  },
+});

airflow/ui/src/router.tsx

@@ -16,8 +16,11 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+import { queryOptions } from "@tanstack/react-query";
 import { createBrowserRouter } from "react-router-dom";
 
+import { UseConfigServiceGetConfigsKeyFn } from "openapi/queries";
+import { ConfigService } from "openapi/requests/services.gen";
 import { BaseLayout } from "src/layouts/BaseLayout";
 import { Dag } from "src/pages/Dag";
 import { Code } from "src/pages/Dag/Code";
@@ -35,6 +38,7 @@ import { TaskInstance, Logs } from "src/pages/TaskInstance";
 import { XCom } from "src/pages/XCom";
 
 import { Variables } from "./pages/Variables";
+import { queryClient } from "./queryClient";
 
 export const router = createBrowserRouter(
   [
@@ -106,6 +110,17 @@ export const router = createBrowserRouter(
           <ErrorPage />
         </BaseLayout>
       ),
+      // Use react router loader to ensure we have the config before any other requests are made
+      loader: async () => {
+        const data = await queryClient.ensureQueryData(
+          queryOptions({
+            queryFn: ConfigService.getConfigs,
+            queryKey: UseConfigServiceGetConfigsKeyFn(),
+          }),
+        );
+
+        return data;
+      },
       path: "/",
     },
   ],