fix(material/schematics): support standalone projects in address from schematic

Updates the `ng generate address-form` schematic to support standalone projects.

Author: crisbeto

src/material/schematics/ng-generate/address-form/files/__path__/__name@dasherize@if-flat__/__name@dasherize__.component.spec.ts.template

@@ -1,11 +1,11 @@
 import { waitForAsync, ComponentFixture, TestBed } from '@angular/core/testing';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';<% if(!standalone) { %>
 import { ReactiveFormsModule } from '@angular/forms';
-import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { MatButtonModule } from '@angular/material/button';
 import { MatCardModule } from '@angular/material/card';
 import { MatInputModule } from '@angular/material/input';
 import { MatRadioModule } from '@angular/material/radio';
-import { MatSelectModule } from '@angular/material/select';
+import { MatSelectModule } from '@angular/material/select';<% } %>
 
 import { <%= classify(name) %>Component } from './<%= dasherize(name) %>.component';
 
@@ -14,8 +14,9 @@ describe('<%= classify(name) %>Component', () => {
   let fixture: ComponentFixture<<%= classify(name) %>Component>;
 
   beforeEach(waitForAsync(() => {
-    TestBed.configureTestingModule({
-      declarations: [ <%= classify(name) %>Component ],
+    TestBed.configureTestingModule({<% if(standalone) { %>
+      imports: [NoopAnimationsModule]<% } else { %>
+      declarations: [<%= classify(name) %>Component],
       imports: [
         NoopAnimationsModule,
         ReactiveFormsModule,
@@ -24,7 +25,7 @@ describe('<%= classify(name) %>Component', () => {
         MatInputModule,
         MatRadioModule,
         MatSelectModule,
-      ]
+      ]<% } %>
     }).compileComponents();
   }));
 

src/material/schematics/ng-generate/address-form/files/__path__/__name@dasherize@if-flat__/__name@dasherize__.component.ts.template

@@ -1,5 +1,14 @@
-import { Component<% if(!!viewEncapsulation) { %>, ViewEncapsulation<% }%><% if(changeDetection !== 'Default') { %>, ChangeDetectionStrategy<% }%> } from '@angular/core';
+import { Component, inject<% if(!!viewEncapsulation) { %>, ViewEncapsulation<% }%><% if(changeDetection !== 'Default') { %>, ChangeDetectionStrategy<% }%> } from '@angular/core';
+<% if(standalone) { %>
+import { ReactiveFormsModule, FormBuilder, Validators } from '@angular/forms';
+import { MatInputModule } from '@angular/material/input';
+import { MatButtonModule } from '@angular/material/button';
+import { MatSelectModule } from '@angular/material/select';
+import { MatRadioModule } from '@angular/material/radio';
+import { MatCardModule } from '@angular/material/card';
+<% } else { %>
 import { FormBuilder, Validators } from '@angular/forms';
+<% } %>
 
 @Component({
   selector: '<%= selector %>',<% if(inlineTemplate) { %>
@@ -12,9 +21,19 @@ import { FormBuilder, Validators } from '@angular/forms';
   `]<% } else { %>
   styleUrls: ['./<%= dasherize(name) %>.component.<%= style %>']<% } %><% if(!!viewEncapsulation) { %>,
   encapsulation: ViewEncapsulation.<%= viewEncapsulation %><% } if (changeDetection !== 'Default') { %>,
-  changeDetection: ChangeDetectionStrategy.<%= changeDetection %><% } %>
+  changeDetection: ChangeDetectionStrategy.<%= changeDetection %><% } %><% if(standalone) { %>,
+  standalone: true,
+  imports: [
+    MatInputModule,
+    MatButtonModule,
+    MatSelectModule,
+    MatRadioModule,
+    MatCardModule,
+    ReactiveFormsModule
+  ]<% } %>
 })
 export class <%= classify(name) %>Component {
+  private fb = inject(FormBuilder);
   addressForm = this.fb.group({
     company: null,
     firstName: [null, Validators.required],
@@ -93,8 +112,6 @@ export class <%= classify(name) %>Component {
     {name: 'Wyoming', abbreviation: 'WY'}
   ];
 
-  constructor(private fb: FormBuilder) {}
-
   onSubmit(): void {
     alert('Thanks!');
   }

src/material/schematics/ng-generate/address-form/index.spec.ts

@@ -50,6 +50,45 @@ describe('Material address-form schematic', () => {
     ).toBeRejectedWithError(/required property 'name'/);
   });
 
+  describe('standalone option', () => {
+    it('should generate a standalone component', async () => {
+      const app = await createTestApp(runner);
+      const tree = await runner.runSchematic(
+        'address-form',
+        {...baseOptions, standalone: true},
+        app,
+      );
+      const module = getFileContent(tree, '/projects/material/src/app/app.module.ts');
+      const content = getFileContent(tree, '/projects/material/src/app/foo/foo.component.ts');
+      const requiredModules = [
+        'MatInputModule',
+        'MatButtonModule',
+        'MatSelectModule',
+        'MatRadioModule',
+        'ReactiveFormsModule',
+      ];
+
+      requiredModules.forEach(name => {
+        expect(module).withContext('Module should not import dependencies').not.toContain(name);
+        expect(content).withContext('Component should import dependencies').toContain(name);
+      });
+
+      expect(module).not.toContain('FooComponent');
+      expect(content).toContain('standalone: true');
+      expect(content).toContain('imports: [');
+    });
+
+    it('should infer the standalone option from the project structure', async () => {
+      const app = await createTestApp(runner, {standalone: true});
+      const tree = await runner.runSchematic('address-form', baseOptions, app);
+      const component = getFileContent(tree, '/projects/material/src/app/foo/foo.component.ts');
+
+      expect(tree.exists('/projects/material/src/app/app.module.ts')).toBe(false);
+      expect(component).toContain('standalone: true');
+      expect(component).toContain('imports: [');
+    });
+  });
+
   describe('style option', () => {
     it('should respect the option value', async () => {
       const tree = await runner.runSchematic(

src/material/schematics/ng-generate/address-form/index.ts

@@ -11,6 +11,7 @@ import {
   addModuleImportToModule,
   buildComponent,
   findModuleFromOptions,
+  isStandaloneSchematic,
 } from '@angular/cdk/schematics';
 import {Schema} from './schema';
 
@@ -38,12 +39,16 @@ export default function (options: Schema): Rule {
  */
 function addFormModulesToModule(options: Schema) {
   return async (host: Tree) => {
-    const modulePath = (await findModuleFromOptions(host, options))!;
-    addModuleImportToModule(host, modulePath, 'MatInputModule', '@angular/material/input');
-    addModuleImportToModule(host, modulePath, 'MatButtonModule', '@angular/material/button');
-    addModuleImportToModule(host, modulePath, 'MatSelectModule', '@angular/material/select');
-    addModuleImportToModule(host, modulePath, 'MatRadioModule', '@angular/material/radio');
-    addModuleImportToModule(host, modulePath, 'MatCardModule', '@angular/material/card');
-    addModuleImportToModule(host, modulePath, 'ReactiveFormsModule', '@angular/forms');
+    const isStandalone = await isStandaloneSchematic(host, options);
+
+    if (!isStandalone) {
+      const modulePath = (await findModuleFromOptions(host, options))!;
+      addModuleImportToModule(host, modulePath, 'MatInputModule', '@angular/material/input');
+      addModuleImportToModule(host, modulePath, 'MatButtonModule', '@angular/material/button');
+      addModuleImportToModule(host, modulePath, 'MatSelectModule', '@angular/material/select');
+      addModuleImportToModule(host, modulePath, 'MatRadioModule', '@angular/material/radio');
+      addModuleImportToModule(host, modulePath, 'MatCardModule', '@angular/material/card');
+      addModuleImportToModule(host, modulePath, 'ReactiveFormsModule', '@angular/forms');
+    }
   };
 }

src/material/schematics/ng-generate/address-form/schema.json

@@ -39,6 +39,10 @@
       "type": "boolean",
       "alias": "t"
     },
+    "standalone": {
+      "description": "Whether the generated component is standalone.",
+      "type": "boolean"
+    },
     "viewEncapsulation": {
       "description": "Specifies the view encapsulation strategy.",
       "enum": ["Emulated", "None"],