feat(angular): prompt users for standalone components in application

docs/generated/packages/angular/generators/application.json

@@ -148,7 +148,7 @@
       "standalone": {
         "description": "Generate an application that is setup to use standalone components. _Note: This is only supported in Angular versions >= 14.1.0_",
         "type": "boolean",
-        "default": false
+        "x-priority": "important"
       },
       "rootProject": {
         "description": "Create an application at the root of the workspace.",

packages/angular/ng-package.json

@@ -22,7 +22,8 @@
     "semver",
     "webpack",
     "http-server",
-    "magic-string"
+    "magic-string",
+    "enquirer"
   ],
   "keepLifecycleScripts": true
 }

packages/angular/package.json

@@ -54,7 +54,8 @@
     "ts-node": "10.9.1",
     "tsconfig-paths": "^4.1.2",
     "webpack": "^5.75.0",
-    "webpack-merge": "5.7.3"
+    "webpack-merge": "5.7.3",
+    "enquirer": "^2.3.6"
   },
   "peerDependencies": {
     "@angular-devkit/build-angular": ">= 14.0.0 < 16.0.0",

packages/angular/src/generators/application/application.spec.ts

@@ -20,17 +20,23 @@ import {
 } from '../../utils/versions';
 import { applicationGenerator } from './application';
 import type { Schema } from './schema';
-
+import * as enquirer from 'enquirer';
 // need to mock cypress otherwise it'll use the nx installed version from package.json
 //  which is v9 while we are testing for the new v10 version
 jest.mock('@nrwl/cypress/src/utils/cypress-version');
+jest.mock('enquirer');
 describe('app', () => {
   let appTree: Tree;
   let mockedInstalledCypressVersion: jest.Mock<
     ReturnType<typeof installedCypressVersion>
   > = installedCypressVersion as never;
+
   beforeEach(() => {
     mockedInstalledCypressVersion.mockReturnValue(10);
+    // @ts-ignore
+    enquirer.prompt = jest
+      .fn()
+      .mockReturnValue(Promise.resolve({ 'standalone-components': true }));
     appTree = createTreeWithEmptyWorkspace({ layout: 'apps-libs' });
   });
 
@@ -819,6 +825,48 @@ describe('app', () => {
         appTree.read('apps/standalone/src/app/nx-welcome.component.ts', 'utf-8')
       ).toContain('standalone: true');
     });
+
+    it('should prompt for standalone components and not use them when the user selects false', async () => {
+      // ARRANGE
+      process.env.NX_INTERACTIVE = 'true';
+      // @ts-ignore
+      enquirer.prompt = jest
+        .fn()
+        .mockReturnValue(Promise.resolve({ 'standalone-components': false }));
+
+      // ACT
+      await generateApp(appTree, 'nostandalone');
+
+      // ASSERT
+      expect(
+        appTree.exists('apps/nostandalone/src/app/app.module.ts')
+      ).toBeTruthy();
+      expect(enquirer.prompt).toHaveBeenCalled();
+
+      // CLEANUP
+      process.env.NX_INTERACTIVE = undefined;
+    });
+
+    it('should prompt for standalone components and use them when the user selects true', async () => {
+      // ARRANGE
+      process.env.NX_INTERACTIVE = 'true';
+      // @ts-ignore
+      enquirer.prompt = jest
+        .fn()
+        .mockReturnValue(Promise.resolve({ 'standalone-components': true }));
+
+      // ACT
+      await generateApp(appTree, 'nostandalone');
+
+      // ASSERT
+      expect(
+        appTree.exists('apps/nostandalone/src/app/app.module.ts')
+      ).not.toBeTruthy();
+      expect(enquirer.prompt).toHaveBeenCalled();
+
+      // CLEANUP
+      process.env.NX_INTERACTIVE = undefined;
+    });
   });
 
   it('should generate correct main.ts', async () => {

packages/angular/src/generators/application/application.ts

@@ -34,7 +34,8 @@ import {
   updateNxComponentTemplate,
 } from './lib';
 import type { Schema } from './schema';
-import { lt } from 'semver';
+import { gte, lt } from 'semver';
+import { prompt } from 'enquirer';
 
 export async function applicationGenerator(
   tree: Tree,
@@ -47,6 +48,18 @@ export async function applicationGenerator(
     You can resolve this error by removing the "standalone" option or by migrating to Angular 14.1.0.`);
   }
 
+  if (
+    gte(installedAngularVersionInfo.version, '14.1.0') &&
+    schema.standalone === undefined &&
+    process.env.NX_INTERACTIVE === 'true'
+  ) {
+    schema.standalone = await prompt({
+      name: 'standalone-components',
+      message: 'Would you like to use Standalone Components?',
+      type: 'confirm',
+    }).then((a) => a['standalone-components']);
+  }
+
   const generatorDirectory =
     getGeneratorDirectoryForInstalledAngularVersion(tree);
   if (generatorDirectory) {

packages/angular/src/generators/application/schema.json

@@ -151,7 +151,7 @@
     "standalone": {
       "description": "Generate an application that is setup to use standalone components. _Note: This is only supported in Angular versions >= 14.1.0_",
       "type": "boolean",
-      "default": false
+      "x-priority": "important"
     },
     "rootProject": {
       "description": "Create an application at the root of the workspace.",

packages/angular/src/generators/host/host.ts

@@ -37,6 +37,7 @@ export async function host(tree: Tree, options: Schema) {
 
   const appInstallTask = await applicationGenerator(tree, {
     ...options,
+    standalone: options.standalone ?? false,
     routing: true,
     port: 4200,
     skipFormat: true,

packages/angular/src/generators/remote/remote.ts

@@ -29,6 +29,7 @@ export async function remote(tree: Tree, options: Schema) {
 
   const appInstallTask = await applicationGenerator(tree, {
     ...options,
+    standalone: options.standalone ?? false,
     routing: true,
     port,
   });