load VizOptions component lazily

Author: mshustov

src/plugins/vis_type_table/public/components/table_vis_options.tsx

@@ -147,5 +147,6 @@ function TableOptions({
     </EuiPanel>
   );
 }
-
-export { TableOptions };
+// default export required for React.Lazy
+// eslint-disable-next-line import/no-default-export
+export { TableOptions as default };

src/plugins/vis_type_table/public/components/table_vis_options_lazy.tsx

@@ -0,0 +1,30 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. 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 React, { lazy, Suspense } from 'react';
+import { EuiLoadingSpinner } from '@elastic/eui';
+import { VisOptionsProps } from 'src/plugins/vis_default_editor/public';
+import { TableVisParams } from '../types';
+
+const TableOptionsComponent = lazy(() => import('./table_vis_options'));
+
+export const TableOptions = (props: VisOptionsProps<TableVisParams>) => (
+  <Suspense fallback={<EuiLoadingSpinner />}>
+    <TableOptionsComponent {...props} />
+  </Suspense>
+);

src/plugins/vis_type_table/public/table_vis_type.ts

@@ -24,7 +24,7 @@ import { Vis } from '../../visualizations/public';
 import { tableVisResponseHandler } from './table_vis_response_handler';
 // @ts-ignore
 import tableVisTemplate from './table_vis.html';
-import { TableOptions } from './components/table_vis_options';
+import { TableOptions } from './components/table_vis_options_lazy';
 import { getTableVisualizationControllerClass } from './vis_controller';
 
 export function getTableVisTypeDefinition(core: CoreSetup, context: PluginInitializerContext) {