feat(core): add packageManager field when setting up new workspaces

Author: juristr

packages/workspace/src/generators/new/files-integrated-repo/package.json__tmpl__

@@ -2,6 +2,7 @@
   "name": "@<%= formattedNames.fileName %>/source",
   "version": "0.0.0",
   "license": "MIT",
+  "packageManager": "<%= packageManager %>@<%= packageManagerVersion %>",
   "scripts": {
   },
   "private": true,

packages/workspace/src/generators/new/files-package-based-repo/package.json__tmpl__

@@ -2,6 +2,7 @@
   "name": "@<%= formattedNames.fileName %>/source",
   "version": "0.0.0",
   "license": "MIT",
+  "packageManager": "<%= packageManager %>@<%= packageManagerVersion %>",
   "scripts": {
   },
   "private": true,

packages/workspace/src/generators/new/files-root-app/package.json__tmpl__

@@ -2,6 +2,7 @@
   "name": "@<%= formattedNames.fileName %>/source",
   "version": "0.0.0",
   "license": "MIT",
+  "packageManager": "<%= packageManager %>@<%= packageManagerVersion %>",
   "scripts": {
   },
   "private": true,

packages/workspace/src/generators/new/generate-workspace-files.spec.ts

@@ -233,6 +233,7 @@ describe('@nx/workspace:generateWorkspaceFiles', () => {
         },
         "license": "MIT",
         "name": "@proj/source",
+        "packageManager": "npm@11.6.1",
         "private": true,
         "scripts": {},
         "version": "0.0.0",
@@ -262,6 +263,7 @@ describe('@nx/workspace:generateWorkspaceFiles', () => {
         },
         "license": "MIT",
         "name": "@proj/source",
+        "packageManager": "pnpm@10.11.1",
         "private": true,
         "scripts": {},
         "version": "0.0.0",
@@ -313,6 +315,7 @@ describe('@nx/workspace:generateWorkspaceFiles', () => {
         },
         "license": "MIT",
         "name": "@proj/source",
+        "packageManager": "npm@11.6.1",
         "private": true,
         "scripts": {},
         "version": "0.0.0",

packages/workspace/src/generators/new/generate-workspace-files.ts

@@ -167,7 +167,7 @@ export async function generateWorkspaceFiles(
     tree.root
   );
   options = normalizeOptions(options);
-  createFiles(tree, options);
+  createFiles(tree, options, packageManagerVersion);
   const nxJson = createNxJson(tree, options);
 
   const token =
@@ -266,7 +266,11 @@ function createNxJson(
   return nxJson;
 }
 
-function createFiles(tree: Tree, options: NormalizedSchema) {
+function createFiles(
+  tree: Tree,
+  options: NormalizedSchema,
+  packageManagerVersion: string
+) {
   const formattedNames = names(options.name);
   const filesDirName =
     options.preset === Preset.AngularStandalone ||
@@ -292,6 +296,7 @@ function createFiles(tree: Tree, options: NormalizedSchema) {
     ...(options as object),
     nxVersion,
     packageManager: options.packageManager,
+    packageManagerVersion,
   });
 }