core-plugin-api: migrate to use exports

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

packages/core-plugin-api/alpha-api-report.md

@@ -0,0 +1,27 @@
+## API Report File for "@backstage/core-plugin-api"
+
+> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
+
+```ts
+import { ReactNode } from 'react';
+
+// @alpha
+export interface PluginOptionsProviderProps {
+  // (undocumented)
+  children: ReactNode;
+  // Warning: (ae-forgotten-export) The symbol "BackstagePlugin" needs to be exported by the entry point alpha.d.ts
+  //
+  // (undocumented)
+  plugin?: BackstagePlugin;
+}
+
+// @alpha
+export const PluginProvider: (props: PluginOptionsProviderProps) => JSX.Element;
+
+// @alpha
+export function usePluginOptions<
+  TPluginOptions extends {} = {},
+>(): TPluginOptions;
+
+// (No @packageDocumentation comment for this package)
+```

packages/core-plugin-api/api-report.md

@@ -649,17 +649,6 @@ export type PluginFeatureFlagConfig = {
   name: string;
 };
 
-// @alpha
-export interface PluginOptionsProviderProps {
-  // (undocumented)
-  children: ReactNode;
-  // (undocumented)
-  plugin?: BackstagePlugin;
-}
-
-// @alpha
-export const PluginProvider: (props: PluginOptionsProviderProps) => JSX.Element;
-
 // @public
 export type ProfileInfo = {
   email?: string;
@@ -760,11 +749,6 @@ export function useElementFilter<T>(
   dependencies?: any[],
 ): T;
 
-// @alpha
-export function usePluginOptions<
-  TPluginOptions extends {} = {},
->(): TPluginOptions;
-
 // @public
 export function useRouteRef<Optional extends boolean, Params extends AnyParams>(
   routeRef: ExternalRouteRef<Params, Optional>,

packages/core-plugin-api/package.json

@@ -3,10 +3,21 @@
   "description": "Core API used by Backstage plugins",
   "version": "1.4.0",
   "publishConfig": {
-    "access": "public",
-    "main": "dist/index.esm.js",
-    "types": "dist/index.d.ts",
-    "alphaTypes": "dist/index.alpha.d.ts"
+    "access": "public"
+  },
+  "exports": {
+    ".": "./src/index.ts",
+    "./alpha": "./src/alpha.ts"
+  },
+  "typesVersions": {
+    "*": {
+      "*": [
+        "src/index.ts"
+      ],
+      "alpha": [
+        "src/alpha.ts"
+      ]
+    }
   },
   "backstage": {
     "role": "web-library"
@@ -24,7 +35,7 @@
   "main": "src/index.ts",
   "types": "src/index.ts",
   "scripts": {
-    "build": "backstage-cli package build --experimental-type-build",
+    "build": "backstage-cli package build",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
     "prepack": "backstage-cli package prepack",
@@ -60,7 +71,6 @@
     "msw": "^0.49.0"
   },
   "files": [
-    "dist",
-    "alpha"
+    "dist"
   ]
 }

packages/core-plugin-api/src/alpha.ts

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2023 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.
+ */
+
+export * from './plugin-options';

packages/core-plugin-api/src/index.ts

@@ -22,7 +22,6 @@
 
 export * from './analytics';
 export * from './apis';
-export * from './plugin-options';
 export * from './app';
 export * from './extensions';
 export * from './icons';