feat(schematics): add the packageManager property to ngNew

README.md

@@ -35,6 +35,7 @@ What’s different about large organizations is that they have hundreds of Angul
 In other words, small organizations can often get by with informal ad-hoc processes, whereas large organizations cannot. **Large organizations must rely on tooling to enable that. Nx is this tooling.**
 
 
+
 # Getting Started
 
 An Nx workspace is an Angular CLI project that has been enhanced to be enterprise ready. Being an Angular CLI project means it will be handy to have the Angular CLI installed globally, which can be done via npm or yarn as well.

packages/schematics/bin/create-nx-workspace.ts

@@ -23,7 +23,7 @@ if (parsedArgs.help) {
     Options:
 
       directory             path to the workspace root directory
-      --yarn                use yarn instead of npm (default to false)
+      --yarn                use yarn (default to false)
       --bazel               use bazel instead of webpack (default to false)
 
       [ng new options]      any 'ng new' options
@@ -109,31 +109,25 @@ if (useYarn) {
   execSync('npm install --silent', { cwd: tmpDir, stdio: [0, 1, 2] });
 }
 
+const packageManagerOption = useYarn ? '--packageManager=yarn' : '';
+
 // creating the app itself
 const args = process.argv
   .slice(2)
   .filter(a => a !== '--yarn' && a !== '--bazel')
   .map(a => `"${a}"`)
   .join(' ');
-console.log(`ng new ${args} --collection=${nxTool.packageName}`);
+console.log(
+  `ng new ${args} --collection=${nxTool.packageName} ${packageManagerOption}`
+);
 execSync(
   `${path.join(
     tmpDir,
     'node_modules',
     '.bin',
     'ng'
-  )} new ${args} --skip-install --collection=${nxTool.packageName}`,
+  )} new ${args} --collection=${nxTool.packageName} ${packageManagerOption}`,
   {
     stdio: [0, 1, 2]
   }
 );
-
-const dir = parsedArgs.directory;
-
-const cwd = dir ? dir.split('=')[1] : projectName;
-
-if (useYarn) {
-  execSync(`yarn install`, { stdio: [0, 1, 2], cwd });
-} else {
-  execSync(`npm install`, { stdio: [0, 1, 2], cwd });
-}

packages/schematics/src/collection/ng-new/files/__directory__/angular.json

@@ -8,6 +8,7 @@
       "typescriptMismatch": false,
       "versionMismatch": false
     },
-    "defaultCollection": "@nrwl/schematics"
+    "defaultCollection": "@nrwl/schematics"<% if(packageManager) { %>,<% } %>
+    <% if(packageManager) { %>"packageManager": "<%= packageManager %>"<% } %>
   }
 }

packages/schematics/src/collection/ng-new/ng-new.spec.ts

@@ -1,10 +1,6 @@
 import { SchematicTestRunner } from '@angular-devkit/schematics/testing';
 import * as path from 'path';
-import { Tree, VirtualTree } from '@angular-devkit/schematics';
-import { createEmptyWorkspace } from '../../utils/testing-utils';
-import { getFileContent } from '@schematics/angular/utility/test';
-import * as stripJsonComments from 'strip-json-comments';
-import { readJsonInTree } from '../../utils/ast-utils';
+import { Tree } from '@angular-devkit/schematics';
 
 describe('app', () => {
   const schematicRunner = new SchematicTestRunner(
@@ -63,4 +59,27 @@ module.exports = () => {
 `
     );
   });
+
+  it('should not set package manager by default', () => {
+    const treeNoPackages = schematicRunner.runSchematic(
+      'ng-new',
+      { name: 'proj' },
+      projectTree
+    );
+    expect(
+      JSON.parse(treeNoPackages.readContent('/proj/angular.json')).cli
+        .packageManager
+    ).toBeUndefined();
+  });
+
+  it('should set package manager when provided', () => {
+    const tree = schematicRunner.runSchematic(
+      'ng-new',
+      { name: 'proj', packageManager: 'yarn' },
+      projectTree
+    );
+    expect(
+      JSON.parse(tree.readContent('/proj/angular.json')).cli.packageManager
+    ).toEqual('yarn');
+  });
 });

packages/schematics/src/collection/ng-new/schema.d.ts

@@ -4,5 +4,6 @@ export interface Schema {
   npmScope?: string;
   skipInstall?: boolean;
   skipGit?: boolean;
+  packageManager?: string;
   commit?: { name: string; email: string; message?: string };
 }

packages/schematics/src/collection/ng-new/schema.json

@@ -34,6 +34,10 @@
       "default": false,
       "alias": "g"
     },
+    "packageManager": {
+      "type": "string",
+      "description": "Package manager used in the project."
+    },
     "commit": {
       "description": "Initial repository commit information.",
       "oneOf": [