feat(@schematics/angular): add migration for dependencies (#15421)

Author: alan-agius4

packages/schematics/angular/migrations/update-9/index.ts

@@ -7,14 +7,23 @@
  */
 
 import { Rule, chain } from '@angular-devkit/schematics';
+import { NodePackageInstallTask } from '@angular-devkit/schematics/tasks';
 import { UpdateLibraries } from './ivy-libraries';
+import { updateDependencies } from './update-dependencies';
 import { UpdateWorkspaceConfig } from './update-workspace-config';
 
 export default function(): Rule {
   return () => {
     return chain([
       UpdateWorkspaceConfig(),
       UpdateLibraries(),
+      updateDependencies(),
+      (tree, context) => {
+        const packageChanges = tree.actions.some(a => a.path.endsWith('/package.json'));
+        if (packageChanges) {
+          context.addTask(new NodePackageInstallTask());
+        }
+      },
     ]);
   };
 }

packages/schematics/angular/migrations/update-9/update-dependencies.ts

@@ -0,0 +1,39 @@
+/**
+ * @license
+ * Copyright Google Inc. 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 { Tree } from '@angular-devkit/schematics';
+import { addPackageJsonDependency, getPackageJsonDependency } from '../../utility/dependencies';
+import { latestVersions } from '../../utility/latest-versions';
+
+export function updateDependencies() {
+  return (host: Tree) => {
+    const dependenciesToUpdate: Record<string, string> = {
+      '@angular/pwa': latestVersions.AngularPWA,
+      '@angular-devkit/build-angular': latestVersions.DevkitBuildAngular,
+      '@angular-devkit/build-ng-packagr': latestVersions.DevkitBuildNgPackagr,
+      '@angular-devkit/build-webpack': latestVersions.DevkitBuildWebpack,
+      'zone.js': latestVersions.ZoneJs,
+      tsickle: latestVersions.tsickle,
+      'ng-packagr': latestVersions.ngPackagr,
+      'web-animations-js': '^2.3.2',
+    };
+
+    for (const [name, version] of Object.entries(dependenciesToUpdate)) {
+      const current = getPackageJsonDependency(host, name);
+      if (!current || current.version === version) {
+        continue;
+      }
+
+      addPackageJsonDependency(host, {
+        type: current.type,
+        name,
+        version,
+        overwrite: true,
+      });
+    }
+  };
+}