Merge pull request #5878 from backstage/rugvip/codemods

Introduce @backstage/codemods package, with an initial transform for migrating core-* imports

plugins/todo/dev/index.tsx

@@ -15,14 +15,6 @@
  */
 
 import { Entity, LOCATION_ANNOTATION } from '@backstage/catalog-model';
-import {
-  ApiProvider,
-  ApiRegistry,
-  Content,
-  Header,
-  HeaderLabel,
-  Page,
-} from '@backstage/core';
 import { createDevApp } from '@backstage/dev-utils';
 import { EntityProvider } from '@backstage/plugin-catalog-react';
 import OnlineIcon from '@material-ui/icons/Cloud';
@@ -30,6 +22,9 @@ import OfflineIcon from '@material-ui/icons/Storage';
 import React from 'react';
 import { EntityTodoContent, todoApiRef, todoPlugin } from '../src';
 
+import { ApiProvider, ApiRegistry } from '@backstage/core-app-api';
+import { Content, Header, HeaderLabel, Page } from '@backstage/core-components';
+
 const entity: Entity = {
   apiVersion: 'backstage.io/v1alpha1',
   kind: 'Component',

plugins/todo/package.json

@@ -27,7 +27,8 @@
   },
   "dependencies": {
     "@backstage/catalog-model": "^0.8.0",
-    "@backstage/core": "^0.7.11",
+    "@backstage/core-components": "^0.1.0",
+    "@backstage/core-plugin-api": "^0.1.0",
     "@backstage/errors": "^0.1.1",
     "@backstage/plugin-catalog-react": "^0.2.0",
     "@backstage/theme": "^0.2.8",
@@ -40,6 +41,7 @@
   },
   "devDependencies": {
     "@backstage/cli": "^0.6.14",
+    "@backstage/core-app-api": "^0.1.0",
     "@backstage/dev-utils": "^0.1.17",
     "@backstage/test-utils": "^0.1.13",
     "@testing-library/jest-dom": "^5.10.1",

plugins/todo/src/api/TodoClient.ts

@@ -16,8 +16,8 @@
 
 import { serializeEntityRef } from '@backstage/catalog-model';
 import { ResponseError } from '@backstage/errors';
-import { DiscoveryApi, IdentityApi } from '@backstage/core';
 import { TodoApi, TodoListOptions, TodoListResult } from './types';
+import { DiscoveryApi, IdentityApi } from '@backstage/core-plugin-api';
 
 interface Options {
   discoveryApi: DiscoveryApi;

plugins/todo/src/api/types.ts

@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-import { createApiRef } from '@backstage/core';
 import { Entity } from '@backstage/catalog-model';
+import { createApiRef } from '@backstage/core-plugin-api';
 
 export type TodoItem = {
   /** The contents of the TODO comment */

plugins/todo/src/components/TodoList/TodoList.test.tsx

@@ -15,12 +15,12 @@
  */
 
 import { Entity } from '@backstage/catalog-model';
-import { ApiProvider, ApiRegistry } from '@backstage/core';
 import { EntityProvider } from '@backstage/plugin-catalog-react';
 import { renderWithEffects } from '@backstage/test-utils';
 import React from 'react';
 import { TodoApi, todoApiRef } from '../../api';
 import { TodoList } from './TodoList';
+import { ApiProvider, ApiRegistry } from '@backstage/core-app-api';
 
 describe('TodoList', () => {
   it('should render', async () => {

plugins/todo/src/components/TodoList/TodoList.tsx

@@ -14,19 +14,20 @@
  * limitations under the License.
  */
 
-import {
-  Table,
-  TableColumn,
-  useApi,
-  OverflowTooltip,
-  Link,
-  ResponseErrorPanel,
-} from '@backstage/core';
 import { useEntity } from '@backstage/plugin-catalog-react';
 import React, { useState } from 'react';
 import { todoApiRef } from '../../api';
 import { TodoItem, TodoListOptions } from '../../api/types';
 
+import {
+  Table,
+  TableColumn,
+  OverflowTooltip,
+  Link,
+  ResponseErrorPanel,
+} from '@backstage/core-components';
+import { useApi } from '@backstage/core-plugin-api';
+
 const PAGE_SIZE = 10;
 
 const columns: TableColumn<TodoItem>[] = [

plugins/todo/src/plugin.ts

@@ -13,14 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+import { todoApiRef, TodoClient } from './api';
 import {
   createApiFactory,
   createPlugin,
   createComponentExtension,
   discoveryApiRef,
   identityApiRef,
-} from '@backstage/core';
-import { todoApiRef, TodoClient } from './api';
+} from '@backstage/core-plugin-api';
 
 // import { rootRouteRef } from './routes';
 

plugins/todo/src/routes.ts

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import { createRouteRef } from '@backstage/core';
+import { createRouteRef } from '@backstage/core-plugin-api';
 
 export const rootRouteRef = createRouteRef({
   title: 'todo',