refactor(frontend): move utils to TypeScript (#9820)

* refactor(frontend): move utils to typescript (#9101)

* refactor(frontend): don't export interfaces

* test(frontend): update types and test for isValidChild

superset-frontend/spec/javascripts/dashboard/util/componentIsResizable_spec.ts

@@ -0,0 +1,57 @@
+/**
+ * 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 componentIsResizable from 'src/dashboard/util/componentIsResizable';
+import {
+  CHART_TYPE,
+  COLUMN_TYPE,
+  DASHBOARD_GRID_TYPE,
+  DASHBOARD_ROOT_TYPE,
+  DIVIDER_TYPE,
+  HEADER_TYPE,
+  MARKDOWN_TYPE,
+  ROW_TYPE,
+  TABS_TYPE,
+  TAB_TYPE,
+} from 'src/dashboard/util/componentTypes';
+
+const notResizable = [
+  DASHBOARD_GRID_TYPE,
+  DASHBOARD_ROOT_TYPE,
+  DIVIDER_TYPE,
+  HEADER_TYPE,
+  ROW_TYPE,
+  TABS_TYPE,
+  TAB_TYPE,
+];
+
+const resizable = [COLUMN_TYPE, CHART_TYPE, MARKDOWN_TYPE];
+
+describe('componentIsResizable', () => {
+  resizable.forEach(type => {
+    it(`should return true for ${type}`, () => {
+      expect(componentIsResizable({ type })).toBe(true);
+    });
+  });
+
+  notResizable.forEach(type => {
+    it(`should return false for ${type}`, () => {
+      expect(componentIsResizable({ type })).toBe(false);
+    });
+  });
+});