fix(@schematics/angular): add include to type definitions in tsconfig

Fixes #16923

(cherry picked from commit bf04333)

Author: alan-agius4

packages/schematics/angular/migrations/update-9/update-app-tsconfigs.ts

@@ -5,7 +5,7 @@
  * 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 { JsonAstObject, logging } from '@angular-devkit/core';
+import { JsonAstObject, join, logging, normalize } from '@angular-devkit/core';
 import { Rule, Tree, UpdateRecorder } from '@angular-devkit/schematics';
 import { dirname, relative } from 'path';
 import {
@@ -36,23 +36,29 @@ export function updateApplicationTsConfigs(): Rule {
     // Add `module` option in the workspace tsconfig
     updateModuleCompilerOption(tree, '/tsconfig.json');
 
-    for (const { target } of getTargets(workspace, 'build', Builders.Browser)) {
-      updateTsConfig(tree, target, Builders.Browser, logger);
+    for (const { target, project } of getTargets(workspace, 'build', Builders.Browser)) {
+      updateTsConfig(tree, target, project, Builders.Browser, logger);
     }
 
-    for (const { target } of getTargets(workspace, 'server', Builders.Server)) {
-      updateTsConfig(tree, target, Builders.Server, logger);
+    for (const { target, project } of getTargets(workspace, 'server', Builders.Server)) {
+      updateTsConfig(tree, target, project, Builders.Server, logger);
     }
 
-    for (const { target } of getTargets(workspace, 'test', Builders.Karma)) {
-      updateTsConfig(tree, target, Builders.Karma, logger);
+    for (const { target, project } of getTargets(workspace, 'test', Builders.Karma)) {
+      updateTsConfig(tree, target, project, Builders.Karma, logger);
     }
 
     return tree;
   };
 }
 
-function updateTsConfig(tree: Tree, builderConfig: JsonAstObject, builderName: Builders, logger: logging.LoggerApi) {
+function updateTsConfig(
+  tree: Tree,
+  builderConfig: JsonAstObject,
+  project: JsonAstObject,
+  builderName: Builders,
+  logger: logging.LoggerApi,
+) {
   const options = getAllOptions(builderConfig);
   for (const option of options) {
     let recorder: UpdateRecorder;
@@ -108,6 +114,18 @@ function updateTsConfig(tree: Tree, builderConfig: JsonAstObject, builderName: B
           recorder.insertLeft(start.offset, tsInclude.text.replace('.ts', '.d.ts'));
           tree.commitUpdate(recorder);
         }
+      } else {
+        // Includes are not present, add includes to dts files
+        // By default when 'include' nor 'files' fields are used TypeScript
+        // will include all ts files.
+        const srcRootAst = findPropertyInAstObject(project, 'sourceRoot');
+        const include = srcRootAst?.kind === 'string'
+          ? join(normalize(srcRootAst.value), '**/*.d.ts')
+          : '**/*.d.ts';
+
+        recorder = tree.beginUpdate(tsConfigPath);
+        insertPropertyInAstObjectInOrder(recorder, tsConfigAst, 'include', [include], 2);
+        tree.commitUpdate(recorder);
       }
 
       const files = findPropertyInAstObject(tsConfigAst, 'files');

packages/schematics/angular/migrations/update-9/update-app-tsconfigs_spec.ts

@@ -60,9 +60,10 @@ describe('Migration to version 9', () => {
     it('should update apps tsConfig with stricter files inclusions', async () => {
       overrideJsonFile(tree, 'tsconfig.app.json', defaultTsConfigOptions);
       const tree2 = await schematicRunner.runSchematicAsync('workspace-version-9', {}, tree.branch()).toPromise();
-      const { exclude, files } = JSON.parse(tree2.readContent('tsconfig.app.json'));
+      const { exclude, files, include } = JSON.parse(tree2.readContent('tsconfig.app.json'));
       expect(exclude).toBeUndefined();
       expect(files).toEqual(['src/main.ts', 'src/polyfills.ts']);
+      expect(include).toEqual(['src/**/*.d.ts']);
     });
 
     it('should resolve paths correctly even if they are using windows separators', async () => {