Add proxyEndpointsExtensionPoint

Signed-off-by: Matt Benson <gudnabrsam@gmail.com>

plugins/proxy-node/.eslintrc.js

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+module.exports = require('@backstage/cli/config/eslint-factory')(__dirname);

plugins/proxy-node/README.md

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+# backstage-plugin-proxy-node-node
+
+Welcome to the Node.js library package for the proxy-node plugin!
+
+_This plugin was created through the Backstage CLI_

plugins/proxy-node/catalog-info.yaml

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+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: backstage-plugin-proxy-node
+  title: '@backstage/plugin-proxy-node'
+  description: The plugin-proxy-node module for @backstage/plugin-proxy-backend
+spec:
+  lifecycle: experimental
+  type: backstage-node-library
+  owner: maintainers

plugins/proxy-node/package.json

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+{
+  "name": "@backstage/plugin-proxy-node",
+  "version": "0.0.0",
+  "description": "The plugin-proxy-node module for @backstage/plugin-proxy-backend",
+  "backstage": {
+    "role": "node-library",
+    "pluginId": "proxy-backend",
+    "pluginPackages": [
+      "@backstage/plugin-proxy-node"
+    ]
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "homepage": "https://backstage.io",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/backstage/backstage",
+    "directory": "plugins/proxy-node"
+  },
+  "license": "Apache-2.0",
+  "exports": {
+    "./alpha": "./src/alpha/index.ts",
+    "./package.json": "./package.json"
+  },
+  "main": "src/alpha/index.ts",
+  "types": "src/alpha/index.ts",
+  "typesVersions": {
+    "*": {
+      "alpha": [
+        "src/alpha/index.ts"
+      ],
+      "package.json": [
+        "package.json"
+      ]
+    }
+  },
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "build": "backstage-cli package build",
+    "clean": "backstage-cli package clean",
+    "lint": "backstage-cli package lint",
+    "prepack": "backstage-cli package prepack",
+    "postpack": "backstage-cli package postpack",
+    "start": "backstage-cli package start",
+    "test": "backstage-cli package test"
+  },
+  "dependencies": {
+    "@backstage/backend-plugin-api": "workspace:^",
+    "@backstage/types": "workspace:^"
+  },
+  "devDependencies": {
+    "@backstage/backend-test-utils": "workspace:^",
+    "@backstage/cli": "workspace:^",
+    "@backstage/config": "workspace:^"
+  }
+}

plugins/proxy-node/report-alpha.api.md

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+## API Report File for "@backstage/plugin-proxy-node"
+
+> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
+
+```ts
+import { ExtensionPoint } from '@backstage/backend-plugin-api';
+import { JsonObject } from '@backstage/types';
+
+// @alpha
+export interface ProxyEndpointsExtensionPoint {
+  // (undocumented)
+  addProxyEndpoints(endpoints: JsonObject): void;
+}
+
+// @alpha
+export const proxyEndpointsExtensionPoint: ExtensionPoint<ProxyEndpointsExtensionPoint>;
+
+// (No @packageDocumentation comment for this package)
+```

plugins/proxy-node/src/alpha/index.ts

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+/*
+ * Copyright 2024 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 { createExtensionPoint } from '@backstage/backend-plugin-api';
+import { JsonObject } from '@backstage/types';
+
+/**
+ * Extension point interface for managing proxy endpoints.
+ *
+ * @alpha
+ */
+export interface ProxyEndpointsExtensionPoint {
+  addProxyEndpoints(endpoints: JsonObject): void;
+}
+
+/**
+ * Extension point for managing proxy endpoints.
+ *
+ * @alpha
+ */
+export const proxyEndpointsExtensionPoint =
+  createExtensionPoint<ProxyEndpointsExtensionPoint>({
+    id: 'proxy.endpoints',
+  });