Move AnalyticsImplementationBlueprint to @backstage/plugin-app-react

Migrated the AnalyticsImplementationBlueprint and
AnalyticsImplementationFactory from @backstage/frontend-plugin-api to
@backstage/plugin-app-react. The original exports are deprecated with
pointers to the new location.

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
Made-with: Cursor

plugins/app-react/src/blueprints/AnalyticsImplementationBlueprint.test.ts

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed 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 { AnalyticsImplementationBlueprint } from './AnalyticsImplementationBlueprint';
+
+describe('AnalyticsBlueprint', () => {
+  it('should create an extension with sensible defaults', () => {
+    const factory = {
+      deps: {},
+      factory: () => ({ captureEvent: () => {} }),
+    };
+
+    const extension = AnalyticsImplementationBlueprint.make({
+      params: define => define(factory),
+      name: 'test',
+    });
+
+    expect(extension).toMatchInlineSnapshot(`
+      {
+        "$$type": "@backstage/ExtensionDefinition",
+        "T": undefined,
+        "attachTo": {
+          "id": "api:app/analytics",
+          "input": "implementations",
+        },
+        "configSchema": undefined,
+        "disabled": false,
+        "factory": [Function],
+        "inputs": {},
+        "kind": "analytics",
+        "name": "test",
+        "output": [
+          [Function],
+        ],
+        "override": [Function],
+        "toString": [Function],
+        "version": "v2",
+      }
+    `);
+  });
+});

plugins/app-react/src/blueprints/AnalyticsImplementationBlueprint.ts

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed 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 {
+  AnalyticsImplementation,
+  TypesToApiRefs,
+  createExtensionBlueprint,
+  createExtensionBlueprintParams,
+  createExtensionDataRef,
+} from '@backstage/frontend-plugin-api';
+
+/** @public */
+export type AnalyticsImplementationFactory<
+  Deps extends { [name in string]: unknown } = {},
+> = {
+  deps: TypesToApiRefs<Deps>;
+  factory(deps: Deps): AnalyticsImplementation;
+};
+
+const factoryDataRef =
+  createExtensionDataRef<AnalyticsImplementationFactory>().with({
+    id: 'core.analytics.factory',
+  });
+
+/**
+ * Creates analytics implementations.
+ *
+ * @public
+ */
+export const AnalyticsImplementationBlueprint = createExtensionBlueprint({
+  kind: 'analytics',
+  attachTo: { id: 'api:app/analytics', input: 'implementations' },
+  output: [factoryDataRef],
+  dataRefs: {
+    factory: factoryDataRef,
+  },
+  defineParams: <TDeps extends { [name in string]: unknown }>(
+    params: AnalyticsImplementationFactory<TDeps>,
+  ) => createExtensionBlueprintParams(params as AnalyticsImplementationFactory),
+  *factory(params) {
+    yield factoryDataRef(params);
+  },
+});

plugins/app-react/src/blueprints/index.ts

@@ -14,6 +14,10 @@
  * limitations under the License.
  */
 
+export {
+  AnalyticsImplementationBlueprint,
+  type AnalyticsImplementationFactory,
+} from './AnalyticsImplementationBlueprint';
 export { AppRootWrapperBlueprint } from './AppRootWrapperBlueprint';
 export { IconBundleBlueprint } from './IconBundleBlueprint';
 export { NavContentBlueprint } from './NavContentBlueprint';