Updated the files.

my-app/node_modules/@schematics/angular/module/files/__name@dasherize@if-flat__/__name@dasherize__-routing.module.ts.template

@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';<% if (lazyRoute) { %>
+import { <%= classify(name) %>Component } from './<%= dasherize(name) %>.component';<% } %>
+
+const routes: Routes = [<% if (lazyRoute) { %>{ path: '', component: <%= classify(name) %>Component }<% } %>];
+
+@NgModule({
+  imports: [RouterModule.for<%= routingScope %>(routes)],
+  exports: [RouterModule]
+})
+export class <%= classify(name) %>RoutingModule { }

my-app/node_modules/@schematics/angular/module/files/__name@dasherize@if-flat__/__name@dasherize__.module.ts.template

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+import { NgModule } from '@angular/core';<% if (commonModule) { %>
+import { CommonModule } from '@angular/common';<% } %><% if (lazyRouteWithoutRouteModule) { %>
+import { Routes, RouterModule } from '@angular/router';<% } %>
+<% if ((!lazyRoute && routing) || lazyRouteWithRouteModule) { %>
+import { <%= classify(name) %>RoutingModule } from './<%= dasherize(name) %>-routing.module';<% } %>
+<% if (lazyRouteWithoutRouteModule) { %>
+const routes: Routes = [
+  { path: '', component: <%= classify(name) %>Component }
+];<% } %>
+
+@NgModule({
+  declarations: [],
+  imports: [<% if (commonModule) { %>
+    CommonModule<% } %><% if ((!lazyRoute && routing) || lazyRouteWithRouteModule) { %>,
+    <%= classify(name) %>RoutingModule<% } %><% if (lazyRouteWithoutRouteModule) { %>,
+    RouterModule.forChild(routes)<% } %>
+  ]
+})
+export class <%= classify(name) %>Module { }

my-app/node_modules/@schematics/angular/module/index.d.ts

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+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+import { Rule } from '@angular-devkit/schematics';
+import { Schema as ModuleOptions } from './schema';
+export default function (options: ModuleOptions): Rule;

my-app/node_modules/@schematics/angular/module/index.js

@@ -0,0 +1,155 @@
+"use strict";
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const core_1 = require("@angular-devkit/core");
+const schematics_1 = require("@angular-devkit/schematics");
+const ts = __importStar(require("../third_party/github.com/Microsoft/TypeScript/lib/typescript"));
+const ast_utils_1 = require("../utility/ast-utils");
+const change_1 = require("../utility/change");
+const find_module_1 = require("../utility/find-module");
+const parse_name_1 = require("../utility/parse-name");
+const validation_1 = require("../utility/validation");
+const workspace_1 = require("../utility/workspace");
+const schema_1 = require("./schema");
+function buildRelativeModulePath(options, modulePath) {
+    const importModulePath = (0, core_1.normalize)(`/${options.path}/` +
+        (options.flat ? '' : schematics_1.strings.dasherize(options.name) + '/') +
+        schematics_1.strings.dasherize(options.name) +
+        '.module');
+    return (0, find_module_1.buildRelativePath)(modulePath, importModulePath);
+}
+function addImportToNgModule(options) {
+    return (host) => {
+        if (!options.module) {
+            return host;
+        }
+        const modulePath = options.module;
+        const sourceText = host.readText(modulePath);
+        const source = ts.createSourceFile(modulePath, sourceText, ts.ScriptTarget.Latest, true);
+        const relativePath = buildRelativeModulePath(options, modulePath);
+        const changes = (0, ast_utils_1.addImportToModule)(source, modulePath, schematics_1.strings.classify(`${options.name}Module`), relativePath);
+        const recorder = host.beginUpdate(modulePath);
+        for (const change of changes) {
+            if (change instanceof change_1.InsertChange) {
+                recorder.insertLeft(change.pos, change.toAdd);
+            }
+        }
+        host.commitUpdate(recorder);
+        return host;
+    };
+}
+function addRouteDeclarationToNgModule(options, routingModulePath) {
+    return (host) => {
+        if (!options.route) {
+            return host;
+        }
+        if (!options.module) {
+            throw new Error('Module option required when creating a lazy loaded routing module.');
+        }
+        let path;
+        if (routingModulePath) {
+            path = routingModulePath;
+        }
+        else {
+            path = options.module;
+        }
+        const sourceText = host.readText(path);
+        const addDeclaration = (0, ast_utils_1.addRouteDeclarationToModule)(ts.createSourceFile(path, sourceText, ts.ScriptTarget.Latest, true), path, buildRoute(options, options.module));
+        const recorder = host.beginUpdate(path);
+        recorder.insertLeft(addDeclaration.pos, addDeclaration.toAdd);
+        host.commitUpdate(recorder);
+        return host;
+    };
+}
+function getRoutingModulePath(host, modulePath) {
+    const routingModulePath = modulePath.endsWith(find_module_1.ROUTING_MODULE_EXT)
+        ? modulePath
+        : modulePath.replace(find_module_1.MODULE_EXT, find_module_1.ROUTING_MODULE_EXT);
+    return host.exists(routingModulePath) ? (0, core_1.normalize)(routingModulePath) : undefined;
+}
+function buildRoute(options, modulePath) {
+    const relativeModulePath = buildRelativeModulePath(options, modulePath);
+    const moduleName = `${schematics_1.strings.classify(options.name)}Module`;
+    const loadChildren = `() => import('${relativeModulePath}').then(m => m.${moduleName})`;
+    return `{ path: '${options.route}', loadChildren: ${loadChildren} }`;
+}
+function default_1(options) {
+    return async (host) => {
+        if (options.path === undefined) {
+            options.path = await (0, workspace_1.createDefaultPath)(host, options.project);
+        }
+        if (options.module) {
+            options.module = (0, find_module_1.findModuleFromOptions)(host, options);
+        }
+        let routingModulePath;
+        const isLazyLoadedModuleGen = !!(options.route && options.module);
+        if (isLazyLoadedModuleGen) {
+            options.routingScope = schema_1.RoutingScope.Child;
+            routingModulePath = getRoutingModulePath(host, options.module);
+        }
+        const parsedPath = (0, parse_name_1.parseName)(options.path, options.name);
+        options.name = parsedPath.name;
+        options.path = parsedPath.path;
+        (0, validation_1.validateClassName)(schematics_1.strings.classify(options.name));
+        const templateSource = (0, schematics_1.apply)((0, schematics_1.url)('./files'), [
+            options.routing || (isLazyLoadedModuleGen && routingModulePath)
+                ? (0, schematics_1.noop)()
+                : (0, schematics_1.filter)((path) => !path.endsWith('-routing.module.ts.template')),
+            (0, schematics_1.applyTemplates)({
+                ...schematics_1.strings,
+                'if-flat': (s) => (options.flat ? '' : s),
+                lazyRoute: isLazyLoadedModuleGen,
+                lazyRouteWithoutRouteModule: isLazyLoadedModuleGen && !routingModulePath,
+                lazyRouteWithRouteModule: isLazyLoadedModuleGen && !!routingModulePath,
+                ...options,
+            }),
+            (0, schematics_1.move)(parsedPath.path),
+        ]);
+        const moduleDasherized = schematics_1.strings.dasherize(options.name);
+        const modulePath = `${!options.flat ? moduleDasherized + '/' : ''}${moduleDasherized}.module.ts`;
+        const componentOptions = {
+            module: modulePath,
+            flat: options.flat,
+            name: options.name,
+            path: options.path,
+            project: options.project,
+            standalone: false,
+        };
+        return (0, schematics_1.chain)([
+            !isLazyLoadedModuleGen ? addImportToNgModule(options) : (0, schematics_1.noop)(),
+            addRouteDeclarationToNgModule(options, routingModulePath),
+            (0, schematics_1.mergeWith)(templateSource),
+            isLazyLoadedModuleGen ? (0, schematics_1.schematic)('component', componentOptions) : (0, schematics_1.noop)(),
+        ]);
+    };
+}
+exports.default = default_1;

my-app/node_modules/@schematics/angular/module/schema.d.ts

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+/**
+ * Creates a new, generic NgModule definition in the given project.
+ */
+export interface Schema {
+    /**
+     * The new NgModule imports "CommonModule".
+     */
+    commonModule?: boolean;
+    /**
+     * Create the new files at the top level of the current project root.
+     */
+    flat?: boolean;
+    /**
+     * The declaring NgModule.
+     */
+    module?: string;
+    /**
+     * The name of the NgModule.
+     */
+    name: string;
+    /**
+     * The path at which to create the NgModule, relative to the workspace root.
+     */
+    path?: string;
+    /**
+     * The name of the project.
+     */
+    project: string;
+    /**
+     * The route path for a lazy-loaded module. When supplied, creates a component in the new
+     * module, and adds the route to that component in the `Routes` array declared in the module
+     * provided in the `--module` option.
+     */
+    route?: string;
+    /**
+     * Create a routing module.
+     */
+    routing?: boolean;
+    /**
+     * The scope for the new routing module.
+     */
+    routingScope?: RoutingScope;
+}
+/**
+ * The scope for the new routing module.
+ */
+export declare enum RoutingScope {
+    Child = "Child",
+    Root = "Root"
+}

my-app/node_modules/@schematics/angular/module/schema.js

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+"use strict";
+// THIS FILE IS AUTOMATICALLY GENERATED. TO UPDATE THIS FILE YOU NEED TO CHANGE THE
+// CORRESPONDING JSON SCHEMA FILE, THEN RUN devkit-admin build (or bazel build ...).
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.RoutingScope = void 0;
+/**
+ * The scope for the new routing module.
+ */
+var RoutingScope;
+(function (RoutingScope) {
+    RoutingScope["Child"] = "Child";
+    RoutingScope["Root"] = "Root";
+})(RoutingScope || (exports.RoutingScope = RoutingScope = {}));

my-app/node_modules/@schematics/angular/module/schema.json

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+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "SchematicsAngularModule",
+  "title": "Angular Module Options Schema",
+  "type": "object",
+  "additionalProperties": false,
+  "description": "Creates a new, generic NgModule definition in the given project.",
+  "properties": {
+    "name": {
+      "type": "string",
+      "description": "The name of the NgModule.",
+      "$default": {
+        "$source": "argv",
+        "index": 0
+      },
+      "x-prompt": "What name would you like to use for the NgModule?"
+    },
+    "path": {
+      "type": "string",
+      "format": "path",
+      "$default": {
+        "$source": "workingDirectory"
+      },
+      "description": "The path at which to create the NgModule, relative to the workspace root.",
+      "visible": false
+    },
+    "project": {
+      "type": "string",
+      "description": "The name of the project.",
+      "$default": {
+        "$source": "projectName"
+      }
+    },
+    "routing": {
+      "type": "boolean",
+      "description": "Create a routing module.",
+      "default": false,
+      "x-user-analytics": "ep.ng_routing"
+    },
+    "routingScope": {
+      "enum": ["Child", "Root"],
+      "type": "string",
+      "description": "The scope for the new routing module.",
+      "default": "Child"
+    },
+    "route": {
+      "type": "string",
+      "description": "The route path for a lazy-loaded module. When supplied, creates a component in the new module, and adds the route to that component in the `Routes` array declared in the module provided in the `--module` option."
+    },
+    "flat": {
+      "type": "boolean",
+      "description": "Create the new files at the top level of the current project root. ",
+      "default": false
+    },
+    "commonModule": {
+      "type": "boolean",
+      "description": "The new NgModule imports \"CommonModule\". ",
+      "default": true,
+      "visible": false
+    },
+    "module": {
+      "type": "string",
+      "description": "The declaring NgModule.",
+      "alias": "m"
+    }
+  },
+  "required": ["name", "project"]
+}