frontend-plugin-api: move app blueprints to new app-react package

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

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

@@ -0,0 +1,98 @@
+/*
+ * Copyright 2026 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 {
+  IconBundleBlueprint as _IconBundleBlueprint,
+  NavContentBlueprint as _NavContentBlueprint,
+  type NavContentComponent,
+  type NavContentComponentProps,
+  RouterBlueprint as _RouterBlueprint,
+  SignInPageBlueprint as _SignInPageBlueprint,
+  type SignInPageProps,
+  SwappableComponentBlueprint as _SwappableComponentBlueprint,
+  ThemeBlueprint as _ThemeBlueprint,
+  TranslationBlueprint as _TranslationBlueprint,
+} from '@backstage/frontend-plugin-api';
+
+/**
+ * Creates an extension that adds/replaces an app theme. This blueprint is limited to use by the app plugin.
+ *
+ * @public
+ */
+export const ThemeBlueprint = _ThemeBlueprint;
+
+/**
+ * Blueprint for creating swappable components from a SwappableComponentRef and a loader. This blueprint is limited to use by the app plugin.
+ *
+ * @public
+ */
+export const SwappableComponentBlueprint = _SwappableComponentBlueprint;
+
+/**
+ * Creates an extension that replaces the sign in page. This blueprint is limited to use by the app plugin.
+ *
+ * @public
+ */
+export const SignInPageBlueprint = _SignInPageBlueprint;
+
+/**
+ * Creates an extension that replaces the router component. This blueprint is limited to use by the app plugin.
+ *
+ * @public
+ */
+export const RouterBlueprint = _RouterBlueprint;
+
+/**
+ * Creates an extension that replaces the entire nav bar with your own component. This blueprint is limited to use by the app plugin.
+ *
+ * @public
+ */
+export const NavContentBlueprint = _NavContentBlueprint;
+
+/**
+ * Creates an extension that adds icon bundles to your app. This blueprint is limited to use by the app plugin.
+ *
+ * @public
+ */
+export const IconBundleBlueprint = _IconBundleBlueprint;
+
+/**
+ * Props for the `SignInPage` component.
+ *
+ * @public
+ */
+export type { SignInPageProps };
+
+/**
+ * The props for the {@link NavContentComponent}.
+ *
+ * @public
+ */
+export type { NavContentComponentProps };
+
+/**
+ * A component that renders the nav bar content, to be passed to the {@link NavContentBlueprint}.
+ *
+ * @public
+ */
+export type { NavContentComponent };
+
+/**
+ * Creates an extension that adds translations to your app. This blueprint is limited to use by the app plugin.
+ *
+ * @public
+ */
+export const TranslationBlueprint = _TranslationBlueprint;

plugins/app-react/src/index.ts

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+/*
+ * Copyright 2026 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.
+ */
+
+/**
+ * Web library for the app plugin.
+ *
+ * @packageDocumentation
+ */
+
+export * from './blueprints';

plugins/app-react/src/setupTests.ts

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+/*
+ * Copyright 2026 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 '@testing-library/jest-dom';