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/newEntitiesFromDrop_spec.js

@@ -0,0 +1,100 @@
+/**
+ * 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 newEntitiesFromDrop from '../../../../src/dashboard/util/newEntitiesFromDrop';
+import {
+  CHART_TYPE,
+  DASHBOARD_GRID_TYPE,
+  ROW_TYPE,
+  TABS_TYPE,
+  TAB_TYPE,
+} from '../../../../src/dashboard/util/componentTypes';
+
+describe('newEntitiesFromDrop', () => {
+  it('should return a new Entity of appropriate type, and add it to the drop target children', () => {
+    const result = newEntitiesFromDrop({
+      dropResult: {
+        destination: { id: 'a', index: 0 },
+        dragging: { type: CHART_TYPE },
+        source: { id: 'b', index: 0 },
+      },
+      layout: {
+        a: {
+          id: 'a',
+          type: ROW_TYPE,
+          children: [],
+        },
+      },
+    });
+
+    const newId = result.a.children[0];
+    expect(result.a.children).toHaveLength(1);
+    expect(Object.keys(result)).toHaveLength(2);
+    expect(result[newId].type).toBe(CHART_TYPE);
+  });
+
+  it('should create Tab AND Tabs components if the drag entity is Tabs', () => {
+    const result = newEntitiesFromDrop({
+      dropResult: {
+        destination: { id: 'a', index: 0 },
+        dragging: { type: TABS_TYPE },
+        source: { id: 'b', index: 0 },
+      },
+      layout: {
+        a: {
+          id: 'a',
+          type: DASHBOARD_GRID_TYPE,
+          children: [],
+        },
+      },
+    });
+
+    const newTabsId = result.a.children[0];
+    const newTabId = result[newTabsId].children[0];
+
+    expect(result.a.children).toHaveLength(1);
+    expect(Object.keys(result)).toHaveLength(3);
+    expect(result[newTabsId].type).toBe(TABS_TYPE);
+    expect(result[newTabId].type).toBe(TAB_TYPE);
+  });
+
+  it('should create a Row if the drag entity should be wrapped in a row', () => {
+    const result = newEntitiesFromDrop({
+      dropResult: {
+        destination: { id: 'a', index: 0 },
+        dragging: { type: CHART_TYPE },
+        source: { id: 'b', index: 0 },
+      },
+      layout: {
+        a: {
+          id: 'a',
+          type: DASHBOARD_GRID_TYPE,
+          children: [],
+        },
+      },
+    });
+
+    const newRowId = result.a.children[0];
+    const newChartId = result[newRowId].children[0];
+
+    expect(result.a.children).toHaveLength(1);
+    expect(Object.keys(result)).toHaveLength(3);
+    expect(result[newRowId].type).toBe(ROW_TYPE);
+    expect(result[newChartId].type).toBe(CHART_TYPE);
+  });
+});