tech-radar: Add alpha exports for page and api extensions

Signed-off-by: Johan Haals <johan.haals@gmail.com>

plugins/tech-radar/alpha-api-report.md

@@ -0,0 +1,24 @@
+## API Report File for "@backstage/plugin-tech-radar"
+
+> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
+
+```ts
+import { BackstagePlugin } from '@backstage/frontend-plugin-api';
+import { Extension } from '@backstage/frontend-plugin-api';
+
+// @alpha (undocumented)
+const _default: BackstagePlugin;
+export default _default;
+
+// @alpha (undocumented)
+export const TechRadarPage: Extension<{
+  height: number;
+  width: number;
+  title: string;
+  path: string;
+  pageTitle: string;
+  subTitle: string;
+}>;
+
+// (No @packageDocumentation comment for this package)
+```

plugins/tech-radar/package.json

@@ -22,6 +22,21 @@
   "keywords": [
     "backstage"
   ],
+  "exports": {
+    ".": "./src/index.ts",
+    "./alpha": "./src/alpha.tsx",
+    "./package.json": "./package.json"
+  },
+  "typesVersions": {
+    "*": {
+      "alpha": [
+        "src/alpha.tsx"
+      ],
+      "package.json": [
+        "package.json"
+      ]
+    }
+  },
   "sideEffects": false,
   "scripts": {
     "build": "backstage-cli package build",
@@ -35,6 +50,7 @@
   "dependencies": {
     "@backstage/core-components": "workspace:^",
     "@backstage/core-plugin-api": "workspace:^",
+    "@backstage/frontend-plugin-api": "workspace:^",
     "@backstage/theme": "workspace:^",
     "@material-ui/core": "^4.12.2",
     "@material-ui/icons": "^4.9.1",

plugins/tech-radar/src/alpha.tsx

@@ -0,0 +1,64 @@
+/*
+ * 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.
+ */
+
+import { createApiFactory, createRouteRef } from '@backstage/core-plugin-api';
+import {
+  createApiExtension,
+  createPageExtension,
+  createPlugin,
+  createSchemaFromZod,
+} from '@backstage/frontend-plugin-api';
+import React from 'react';
+import { techRadarApiRef } from './api';
+import { SampleTechRadarApi } from './sample';
+
+const techRadarRouteRef = createRouteRef({ id: 'plugin.techradar.page' });
+
+/** @alpha */
+export const TechRadarPage = createPageExtension({
+  id: 'plugin.techradar.page',
+  defaultPath: '/tech-radar',
+  routeRef: techRadarRouteRef,
+  configSchema: createSchemaFromZod(z =>
+    z.object({
+      title: z.string().default('Tech Radar'),
+      subTitle: z
+        .string()
+        .default('Pick the recommended technologies for your projects'),
+      pageTitle: z.string().default('Company Radar'),
+      path: z.string().default('/tech-radar'),
+      width: z.number().default(1500),
+      height: z.number().default(800),
+    }),
+  ),
+  loader: ({ config }) =>
+    import('./components').then(m => (
+      <m.RadarPage {...config} subtitle={config.subTitle} />
+    )),
+});
+
+const sampleTechRadarApi = createApiExtension({
+  api: techRadarApiRef,
+  factory() {
+    return createApiFactory(techRadarApiRef, new SampleTechRadarApi());
+  },
+});
+
+/** @alpha */
+export default createPlugin({
+  id: 'tech-radar',
+  extensions: [TechRadarPage, sampleTechRadarApi],
+});