feat: AI-powered TypeScript migration framework with parallel processing (#35045)

Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Mehmet Salih Yavuz <salih.yavuz@proton.me>
Co-authored-by: Elizabeth Thompson <eschutho@gmail.com>

superset-frontend/src/utils/hostNamesConfig.ts

@@ -0,0 +1,56 @@
+/**
+ * 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 { initFeatureFlags } from '@superset-ui/core';
+import getBootstrapData from './getBootstrapData';
+
+function getDomainsConfig(): string[] {
+  const appContainer = document.getElementById('app');
+  if (!appContainer) {
+    return [];
+  }
+
+  const availableDomains = new Set([window.location.hostname]);
+
+  // don't do domain sharding if a certain query param is set
+  const disableDomainSharding =
+    new URLSearchParams(window.location.search).get('disableDomainSharding') ===
+    '1';
+  if (disableDomainSharding) {
+    return Array.from(availableDomains);
+  }
+
+  const bootstrapData = getBootstrapData();
+  // this module is a little special, it may be loaded before index.jsx,
+  // where window.featureFlags get initialized
+  // eslint-disable-next-line camelcase
+  initFeatureFlags(bootstrapData.common.feature_flags);
+
+  if (bootstrapData?.common?.conf?.SUPERSET_WEBSERVER_DOMAINS) {
+    const domains = bootstrapData.common.conf
+      .SUPERSET_WEBSERVER_DOMAINS as string[];
+    domains.forEach((hostName: string) => {
+      availableDomains.add(hostName);
+    });
+  }
+  return Array.from(availableDomains);
+}
+
+export const availableDomains: string[] = getDomainsConfig();
+
+export const allowCrossDomain: boolean = availableDomains.length > 1;