SIP-32: Moving frontend code to the base of the repo (#9098)

* move assets out, get webpack dev working

* update docs to reference superset-frontend

* draw the rest of the owl

* fix docs

* fix webpack script

* rats

* correct docs

* fix tox dox

superset-frontend/spec/javascripts/dashboard/util/getDashboardUrl_spec.js

@@ -0,0 +1,35 @@
+/**
+ * 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 getDashboardUrl from '../../../../src/dashboard/util/getDashboardUrl';
+import { DASHBOARD_FILTER_SCOPE_GLOBAL } from '../../../../src/dashboard/reducers/dashboardFilters';
+
+describe('getChartIdsFromLayout', () => {
+  it('should encode filters', () => {
+    const filters = {
+      '35_key': {
+        values: ['value'],
+        scope: DASHBOARD_FILTER_SCOPE_GLOBAL,
+      },
+    };
+    const url = getDashboardUrl('path', filters);
+    expect(url).toBe(
+      'path?preselect_filters=%7B%2235%22%3A%7B%22key%22%3A%5B%22value%22%5D%7D%7D',
+    );
+  });
+});