feat: Add confirmation modal for unsaved changes (#33809)

superset-frontend/src/types/DiffType.ts

@@ -0,0 +1,40 @@
+/**
+ * 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.
+ */
+export type FilterItemType = {
+  comparator?: string | string[];
+  subject: string;
+  operator: string;
+  label?: string;
+};
+
+export type DiffItemType<
+  T = FilterItemType | number | string | Record<string | number, any>,
+> =
+  | T[]
+  | boolean
+  | number
+  | string
+  | Record<string | number, any>
+  | null
+  | undefined;
+
+export type DiffType = {
+  before: DiffItemType;
+  after: DiffItemType;
+};