feat(misc): add useProjectJson flag to project generators (#30319)

Add a `useProjectJson` option to project generators to allow users to
opt in/out of generating the Nx configuration in a `project.json` file.

## Current Behavior

## Expected Behavior

## Related Issue(s)

Fixes #

docs/generated/packages/detox/generators/application.json

@@ -58,6 +58,10 @@
         "type": "boolean",
         "description": "Whether or not to configure the ESLint `parserOptions.project` option. We do not do this by default for lint performance reasons.",
         "default": false
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["e2eDirectory", "appProject", "framework"],

docs/generated/packages/expo/generators/application.json

@@ -86,6 +86,10 @@
         "type": "boolean",
         "description": "Do not add dependencies to `package.json`.",
         "default": false
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/expo/generators/library.json

@@ -89,6 +89,10 @@
         "type": "boolean",
         "description": "Do not add dependencies to `package.json`.",
         "default": false
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/express/generators/application.json

@@ -73,6 +73,10 @@
         "type": "boolean",
         "description": "Whether or not to configure the ESLint `parserOptions.project` option. We do not do this by default for lint performance reasons.",
         "default": false
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/nest/generators/application.json

@@ -78,6 +78,10 @@
         "type": "boolean",
         "description": "Adds strictNullChecks, noImplicitAny, strictBindCallApply, forceConsistentCasingInFileNames and noFallthroughCasesInSwitch to tsconfig.",
         "default": false
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "additionalProperties": false,

docs/generated/packages/nest/generators/library.json

@@ -133,6 +133,10 @@
         "description": "Don't include the directory in the name of the module of the library.",
         "type": "boolean",
         "default": false
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "additionalProperties": false,

docs/generated/packages/next/generators/application.json

@@ -138,6 +138,10 @@
         "default": false,
         "hidden": true,
         "x-priority": "internal"
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/next/generators/library.json

@@ -152,6 +152,10 @@
         "default": false,
         "description": "Do not add dependencies to `package.json`.",
         "x-priority": "internal"
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/node/generators/application.json

@@ -123,6 +123,10 @@
       "docker": {
         "type": "boolean",
         "description": "Add a docker build target"
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/node/generators/library.json

@@ -123,6 +123,10 @@
         "type": "boolean",
         "description": "Whether or not to configure the ESLint `parserOptions.project`. We do not do this by default for lint performance reasons.",
         "default": false
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/nuxt/generators/application.json

@@ -1,6 +1,6 @@
 {
   "name": "application",
-  "factory": "./src/generators/application/application",
+  "factory": "./src/generators/application/application#applicationGeneratorInternal",
   "schema": {
     "$schema": "https://json-schema.org/schema",
     "cli": "nx",
@@ -100,6 +100,10 @@
         "type": "boolean",
         "description": "Whether or not to configure the ESLint `parserOptions.project` option. We do not do this by default for lint performance reasons.",
         "default": false
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],
@@ -108,7 +112,7 @@
   },
   "aliases": ["app"],
   "description": "Create a Nuxt application.",
-  "implementation": "/packages/nuxt/src/generators/application/application.ts",
+  "implementation": "/packages/nuxt/src/generators/application/application#applicationGeneratorInternal.ts",
   "hidden": false,
   "path": "/packages/nuxt/src/generators/application/schema.json",
   "type": "generator"

docs/generated/packages/react-native/generators/application.json

@@ -95,6 +95,10 @@
         "x-prompt": "Which bundler do you want to use to build the application?",
         "default": "vite",
         "x-priority": "important"
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/react-native/generators/library.json

@@ -93,6 +93,10 @@
         "type": "boolean",
         "default": false,
         "x-priority": "internal"
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/react/generators/application.json

@@ -181,6 +181,10 @@
         "description": "Generate a React app with a minimal setup, no separate test files.",
         "type": "boolean",
         "default": false
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/react/generators/library.json

@@ -184,6 +184,10 @@
         "description": "Don't include the directory in the name of the module of the library.",
         "type": "boolean",
         "default": false
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/remix/generators/application.json

@@ -57,6 +57,10 @@
         "type": "boolean",
         "x-priority": "internal",
         "default": false
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/remix/generators/library.json

@@ -81,6 +81,10 @@
         "default": false,
         "description": "Generate a buildable library that uses rollup to bundle.",
         "x-deprecated": "Use the `bundler` option for greater control (none, vite, rollup)."
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/vue/generators/application.json

@@ -133,6 +133,10 @@
         "type": "boolean",
         "default": false,
         "hidden": true
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/vue/generators/library.json

@@ -125,6 +125,10 @@
         "description": "Create a Vue library with a minimal setup, no separate test files.",
         "type": "boolean",
         "default": false
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

docs/generated/packages/web/generators/application.json

@@ -101,6 +101,10 @@
         "type": "boolean",
         "description": "Creates an application with strict mode and strict type checking.",
         "default": true
+      },
+      "useProjectJson": {
+        "type": "boolean",
+        "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
       }
     },
     "required": ["directory"],

packages/detox/src/generators/application/application.spec.ts

@@ -531,6 +531,7 @@ describe('detox application generator', () => {
         linter: Linter.None,
         framework: 'react-native',
         addPlugin: true,
+        useProjectJson: false,
       });
 
       expect(tree.read('tsconfig.json', 'utf-8')).toMatchInlineSnapshot(`
@@ -592,6 +593,7 @@ describe('detox application generator', () => {
         framework: 'react-native',
         addPlugin: true,
         skipFormat: true,
+        useProjectJson: false,
       });
 
       expect(tree.exists('apps/my-app-e2e/test-setup.ts')).toBeTruthy();
@@ -672,6 +674,7 @@ describe('detox application generator', () => {
         framework: 'react-native',
         addPlugin: true,
         skipFormat: true,
+        useProjectJson: false,
       });
 
       const packageJson = readJson(tree, 'apps/my-app-e2e/package.json');
@@ -687,5 +690,38 @@ describe('detox application generator', () => {
         ]
       `);
     });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      writeJson(tree, 'apps/my-app/package.json', { name: 'my-app' });
+
+      await detoxApplicationGenerator(tree, {
+        e2eDirectory: 'apps/my-app-e2e',
+        appProject: 'my-app',
+        e2eName: 'my-app-e2e',
+        linter: Linter.None,
+        framework: 'react-native',
+        addPlugin: true,
+        skipFormat: true,
+        useProjectJson: true,
+      });
+
+      expect(tree.exists('apps/my-app-e2e/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, 'my-app-e2e'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../../node_modules/nx/schemas/project-schema.json",
+          "implicitDependencies": [
+            "my-app",
+          ],
+          "name": "my-app-e2e",
+          "projectType": "application",
+          "root": "apps/my-app-e2e",
+          "sourceRoot": "apps/my-app-e2e/src",
+          "tags": [],
+          "targets": {},
+        }
+      `);
+      expect(readJson(tree, 'apps/my-app-e2e/package.json').nx).toBeUndefined();
+    });
   });
 });

packages/detox/src/generators/application/application.ts

@@ -18,6 +18,7 @@ import { sortPackageJsonFields } from '@nx/js/src/utils/package-json/sort-fields
 export async function detoxApplicationGenerator(host: Tree, schema: Schema) {
   return await detoxApplicationGeneratorInternal(host, {
     addPlugin: false,
+    useProjectJson: true,
     ...schema,
   });
 }

packages/detox/src/generators/application/lib/add-project.spec.ts

@@ -41,6 +41,7 @@ describe('Add Project', () => {
         appRoot: 'apps/my-app',
         linter: Linter.EsLint,
         framework: 'react-native',
+        useProjectJson: true,
       });
     });
 
@@ -91,6 +92,7 @@ describe('Add Project', () => {
         appRoot: 'apps/my-dir/my-app',
         linter: Linter.EsLint,
         framework: 'react-native',
+        useProjectJson: true,
       });
     });
 

packages/detox/src/generators/application/lib/add-project.ts

@@ -13,7 +13,7 @@ import {
   reactNativeTestTarget,
 } from './get-targets';
 import { NormalizedSchema } from './normalize-options';
-import { isUsingTsSolutionSetup } from '@nx/js/src/utils/typescript/ts-solution-setup';
+import type { PackageJson } from 'nx/src/utils/package-json';
 
 export function addProject(host: Tree, options: NormalizedSchema) {
   const nxJson = readNxJson(host);
@@ -23,20 +23,21 @@ export function addProject(host: Tree, options: NormalizedSchema) {
       : p.plugin === '@nx/detox/plugin'
   );
 
-  if (isUsingTsSolutionSetup(host)) {
-    writeJson(host, joinPathFragments(options.e2eProjectRoot, 'package.json'), {
+  const packageJson: PackageJson = {
     name: options.importPath,
     version: '0.0.1',
     private: true,
-      nx: {
+  };
+
+  if (!options.useProjectJson) {
+    packageJson.nx = {
       name:
         options.e2eProjectName !== options.importPath
           ? options.e2eProjectName
           : undefined,
       targets: hasPlugin ? undefined : getTargets(options),
       implicitDependencies: [options.appProject],
-      },
-    });
+    };
   } else {
     addProjectConfiguration(host, options.e2eProjectName, {
       root: options.e2eProjectRoot,
@@ -47,6 +48,14 @@ export function addProject(host: Tree, options: NormalizedSchema) {
       implicitDependencies: [options.appProject],
     });
   }
+
+  if (!options.useProjectJson || options.isUsingTsSolutionConfig) {
+    writeJson(
+      host,
+      joinPathFragments(options.e2eProjectRoot, 'package.json'),
+      packageJson
+    );
+  }
 }
 
 function getTargets(options: NormalizedSchema) {

packages/detox/src/generators/application/lib/normalize-options.spec.ts

@@ -40,6 +40,7 @@ describe('Normalize Options', () => {
       isUsingTsSolutionConfig: false,
       linter: Linter.EsLint,
       js: false,
+      useProjectJson: true,
     });
   });
 
@@ -70,6 +71,7 @@ describe('Normalize Options', () => {
       framework: 'react-native',
       isUsingTsSolutionConfig: false,
       js: false,
+      useProjectJson: true,
     });
   });
 
@@ -101,6 +103,7 @@ describe('Normalize Options', () => {
       framework: 'react-native',
       isUsingTsSolutionConfig: false,
       js: false,
+      useProjectJson: true,
     });
   });
 });

packages/detox/src/generators/application/lib/normalize-options.ts

@@ -41,6 +41,8 @@ export async function normalizeOptions(
   const isUsingTsSolutionConfig = isUsingTsSolutionSetup(host);
   const e2eProjectName =
     !isUsingTsSolutionConfig || options.e2eName ? projectName : importPath;
+  // We default to generate a project.json file if the new setup is not being used
+  const useProjectJson = options.useProjectJson ?? !isUsingTsSolutionConfig;
 
   return {
     ...options,
@@ -54,5 +56,6 @@ export async function normalizeOptions(
     importPath,
     isUsingTsSolutionConfig,
     js: options.js ?? false,
+    useProjectJson,
   };
 }

packages/detox/src/generators/application/schema.d.ts

@@ -12,4 +12,5 @@ export interface Schema {
   setParserOptionsProject?: boolean;
   framework: 'react-native' | 'expo';
   addPlugin?: boolean;
+  useProjectJson?: boolean;
 }

packages/detox/src/generators/application/schema.json

@@ -60,6 +60,10 @@
       "type": "boolean",
       "description": "Whether or not to configure the ESLint `parserOptions.project` option. We do not do this by default for lint performance reasons.",
       "default": false
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "required": ["e2eDirectory", "appProject", "framework"]

packages/expo/src/generators/application/application.spec.ts

@@ -482,7 +482,7 @@ describe('app', () => {
       `);
     });
 
-    it('should respect provided name', async () => {
+    it('should respect the provided name', async () => {
       await expoApplicationGenerator(tree, {
         directory: 'my-app',
         name: 'my-app',
@@ -493,6 +493,7 @@ describe('app', () => {
         js: false,
         unitTestRunner: 'jest',
         addPlugin: true,
+        useProjectJson: false,
       });
 
       const packageJson = readJson(tree, 'my-app/package.json');
@@ -508,5 +509,50 @@ describe('app', () => {
         ]
       `);
     });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      await expoApplicationGenerator(tree, {
+        directory: 'my-app',
+        linter: Linter.EsLint,
+        e2eTestRunner: 'cypress',
+        useProjectJson: true,
+        unitTestRunner: 'none',
+        js: false,
+        addPlugin: true,
+        skipFormat: true,
+      });
+
+      expect(tree.exists('my-app/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/my-app'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "name": "@proj/my-app",
+          "projectType": "application",
+          "root": "my-app",
+          "sourceRoot": "my-app/src",
+          "tags": [],
+          "targets": {},
+        }
+      `);
+      expect(readJson(tree, 'my-app/package.json').nx).toBeUndefined();
+      expect(tree.exists('my-app-e2e/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/my-app-e2e'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "implicitDependencies": [
+            "@proj/my-app",
+          ],
+          "name": "@proj/my-app-e2e",
+          "projectType": "application",
+          "root": "my-app-e2e",
+          "sourceRoot": "my-app-e2e/src",
+          "tags": [],
+          "targets": {},
+        }
+      `);
+      expect(readJson(tree, 'my-app-e2e/package.json').nx).toBeUndefined();
+    });
   });
 });

packages/expo/src/generators/application/application.ts

@@ -32,6 +32,7 @@ export async function expoApplicationGenerator(
 ): Promise<GeneratorCallback> {
   return await expoApplicationGeneratorInternal(host, {
     addPlugin: false,
+    useProjectJson: true,
     ...schema,
   });
 }

packages/expo/src/generators/application/lib/add-e2e.ts

@@ -7,15 +7,14 @@ import {
   Tree,
   writeJson,
 } from '@nx/devkit';
-import { webStaticServeGenerator } from '@nx/web';
-
-import { nxVersion } from '../../../utils/versions';
-import { hasExpoPlugin } from '../../../utils/has-expo-plugin';
-import { NormalizedSchema } from './normalize-options';
+import { getE2EWebServerInfo } from '@nx/devkit/src/generators/e2e-web-server-info-utils';
 import { addE2eCiTargetDefaults } from '@nx/devkit/src/generators/target-defaults-utils';
 import { findPluginForConfigFile } from '@nx/devkit/src/utils/find-plugin-for-config-file';
-import { getE2EWebServerInfo } from '@nx/devkit/src/generators/e2e-web-server-info-utils';
-import { isUsingTsSolutionSetup } from '@nx/js/src/utils/typescript/ts-solution-setup';
+import { webStaticServeGenerator } from '@nx/web';
+import type { PackageJson } from 'nx/src/utils/package-json';
+import { hasExpoPlugin } from '../../../utils/has-expo-plugin';
+import { nxVersion } from '../../../utils/versions';
+import { NormalizedSchema } from './normalize-options';
 
 export async function addE2e(
   tree: Tree,
@@ -42,19 +41,16 @@ export async function addE2e(
         typeof import('@nx/cypress')
       >('@nx/cypress', nxVersion);
 
-      if (isUsingTsSolutionSetup(tree)) {
-        writeJson(
-          tree,
-          joinPathFragments(options.e2eProjectRoot, 'package.json'),
-          {
+      const packageJson: PackageJson = {
         name: options.e2eProjectName,
         version: '0.0.1',
         private: true,
-            nx: {
+      };
+
+      if (!options.useProjectJson) {
+        packageJson.nx = {
           implicitDependencies: [options.projectName],
-            },
-          }
-        );
+        };
       } else {
         addProjectConfiguration(tree, options.e2eProjectName, {
           projectType: 'application',
@@ -66,6 +62,14 @@ export async function addE2e(
         });
       }
 
+      if (!options.useProjectJson || options.isTsSolutionSetup) {
+        writeJson(
+          tree,
+          joinPathFragments(options.e2eProjectRoot, 'package.json'),
+          packageJson
+        );
+      }
+
       const e2eTask = await configurationGenerator(tree, {
         ...options,
         project: options.e2eProjectName,
@@ -123,19 +127,16 @@ export async function addE2e(
       const { configurationGenerator } = ensurePackage<
         typeof import('@nx/playwright')
       >('@nx/playwright', nxVersion);
-      if (isUsingTsSolutionSetup(tree)) {
-        writeJson(
-          tree,
-          joinPathFragments(options.e2eProjectRoot, 'package.json'),
-          {
+      const packageJson: PackageJson = {
         name: options.e2eProjectName,
         version: '0.0.1',
         private: true,
-            nx: {
+      };
+
+      if (!options.useProjectJson) {
+        packageJson.nx = {
           implicitDependencies: [options.projectName],
-            },
-          }
-        );
+        };
       } else {
         addProjectConfiguration(tree, options.e2eProjectName, {
           projectType: 'application',
@@ -143,9 +144,18 @@ export async function addE2e(
           sourceRoot: joinPathFragments(options.e2eProjectRoot, 'src'),
           targets: {},
           implicitDependencies: [options.projectName],
+          tags: [],
         });
       }
 
+      if (!options.useProjectJson || options.isTsSolutionSetup) {
+        writeJson(
+          tree,
+          joinPathFragments(options.e2eProjectRoot, 'package.json'),
+          packageJson
+        );
+      }
+
       const e2eTask = await configurationGenerator(tree, {
         project: options.e2eProjectName,
         skipFormat: true,

packages/expo/src/generators/application/lib/add-project.ts

@@ -6,12 +6,10 @@ import {
   Tree,
   writeJson,
 } from '@nx/devkit';
-
+import { addBuildTargetDefaults } from '@nx/devkit/src/generators/target-defaults-utils';
+import type { PackageJson } from 'nx/src/utils/package-json';
 import { hasExpoPlugin } from '../../../utils/has-expo-plugin';
 import { NormalizedSchema } from './normalize-options';
-import { addBuildTargetDefaults } from '@nx/devkit/src/generators/target-defaults-utils';
-import { isUsingTsSolutionSetup } from '@nx/js/src/utils/typescript/ts-solution-setup';
-import type { PackageJson } from 'nx/src/utils/package-json';
 
 export function addProject(host: Tree, options: NormalizedSchema) {
   const hasPlugin = hasExpoPlugin(host);
@@ -28,13 +26,13 @@ export function addProject(host: Tree, options: NormalizedSchema) {
     tags: options.parsedTags,
   };
 
-  if (isUsingTsSolutionSetup(host)) {
   const packageJson: PackageJson = {
     name: options.importPath,
     version: '0.0.1',
     private: true,
   };
 
+  if (!options.useProjectJson) {
     if (options.importPath !== options.projectName) {
       packageJson.nx = { name: options.projectName };
     }
@@ -46,12 +44,6 @@ export function addProject(host: Tree, options: NormalizedSchema) {
       packageJson.nx ??= {};
       packageJson.nx.tags = options.parsedTags;
     }
-
-    writeJson(
-      host,
-      joinPathFragments(options.appProjectRoot, 'package.json'),
-      packageJson
-    );
   } else {
     addProjectConfiguration(
       host,
@@ -60,6 +52,14 @@ export function addProject(host: Tree, options: NormalizedSchema) {
       options.standaloneConfig
     );
   }
+
+  if (!options.useProjectJson || options.isTsSolutionSetup) {
+    writeJson(
+      host,
+      joinPathFragments(options.appProjectRoot, 'package.json'),
+      packageJson
+    );
+  }
 }
 
 function getTargets(options: NormalizedSchema) {

packages/expo/src/generators/application/lib/normalize-options.spec.ts

@@ -41,6 +41,7 @@ describe('Normalize Options', () => {
       e2eProjectName: 'my-app-e2e',
       e2eProjectRoot: 'my-app-e2e',
       isTsSolutionSetup: false,
+      useProjectJson: true,
     } as NormalizedSchema);
   });
 
@@ -74,6 +75,7 @@ describe('Normalize Options', () => {
       e2eProjectName: 'myApp-e2e',
       e2eProjectRoot: 'myApp-e2e',
       isTsSolutionSetup: false,
+      useProjectJson: true,
     } as NormalizedSchema);
   });
 
@@ -109,6 +111,7 @@ describe('Normalize Options', () => {
       e2eProjectName: 'my-app-e2e',
       e2eProjectRoot: 'directory-e2e',
       isTsSolutionSetup: false,
+      useProjectJson: true,
     } as NormalizedSchema);
   });
 
@@ -142,6 +145,7 @@ describe('Normalize Options', () => {
       e2eProjectName: 'my-app-e2e',
       e2eProjectRoot: 'directory/my-app-e2e',
       isTsSolutionSetup: false,
+      useProjectJson: true,
     } as NormalizedSchema);
   });
 
@@ -176,6 +180,7 @@ describe('Normalize Options', () => {
       e2eProjectName: 'my-app-e2e',
       e2eProjectRoot: 'my-app-e2e',
       isTsSolutionSetup: false,
+      useProjectJson: true,
     } as NormalizedSchema);
   });
 });

packages/expo/src/generators/application/lib/normalize-options.ts

@@ -51,6 +51,7 @@ export async function normalizeOptions(
   const isTsSolutionSetup = isUsingTsSolutionSetup(host);
   const appProjectName =
     !isTsSolutionSetup || options.name ? projectName : importPath;
+  const useProjectJson = options.useProjectJson ?? !isTsSolutionSetup;
 
   const e2eProjectName = rootProject ? 'e2e' : `${appProjectName}-e2e`;
   const e2eProjectRoot = rootProject ? 'e2e' : `${appProjectRoot}-e2e`;
@@ -71,5 +72,6 @@ export async function normalizeOptions(
     e2eProjectName,
     e2eProjectRoot,
     isTsSolutionSetup,
+    useProjectJson,
   };
 }

packages/expo/src/generators/application/schema.d.ts

@@ -20,4 +20,5 @@ export interface Schema {
   nxCloudToken?: string;
   useTsSolution?: boolean;
   formatter?: 'prettier' | 'none';
+  useProjectJson?: boolean;
 }

packages/expo/src/generators/application/schema.json

@@ -86,6 +86,10 @@
       "type": "boolean",
       "description": "Do not add dependencies to `package.json`.",
       "default": false
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "required": ["directory"]

packages/expo/src/generators/library/files/lib/README.md

@@ -1,7 +1,7 @@
-# <%= name %>
+# <%= projectName %>
 
 This library was generated with [Nx](https://nx.dev).
 
 ## Running unit tests
 
-Run `nx test <%= name %>` to execute the unit tests via [Jest](https://jestjs.io).
+Run `nx test <%= projectName %>` to execute the unit tests via [Jest](https://jestjs.io).

packages/expo/src/generators/library/lib/normalize-options.ts

@@ -6,8 +6,7 @@ import {
 import { Schema } from '../schema';
 import { isUsingTsSolutionSetup } from '@nx/js/src/utils/typescript/ts-solution-setup';
 
-export interface NormalizedSchema extends Schema {
-  name: string;
+export interface NormalizedSchema extends Omit<Schema, 'name'> {
   fileName: string;
   projectName: string;
   projectRoot: string;
@@ -44,17 +43,19 @@ export async function normalizeOptions(
     : [];
 
   const isUsingTsSolutionConfig = isUsingTsSolutionSetup(host);
+  const useProjectJson = options.useProjectJson ?? !isUsingTsSolutionConfig;
+
   const normalized: NormalizedSchema = {
     ...options,
     fileName: projectName,
     routePath: `/${projectNames.projectSimpleName}`,
-    name: projectName,
     projectName:
       isUsingTsSolutionConfig && !options.name ? importPath : projectName,
     projectRoot,
     parsedTags,
     importPath,
     isUsingTsSolutionConfig,
+    useProjectJson,
   };
 
   return normalized;

packages/expo/src/generators/library/library.spec.ts

@@ -480,6 +480,7 @@ describe('lib', () => {
       await expoLibraryGenerator(appTree, {
         ...defaultSchema,
         strict: false,
+        useProjectJson: false,
       });
 
       expect(readJson(appTree, 'tsconfig.json').references)
@@ -622,6 +623,7 @@ describe('lib', () => {
         ...defaultSchema,
         buildable: true,
         strict: false,
+        useProjectJson: false,
       });
 
       expect(readJson(appTree, 'my-lib/package.json')).toMatchInlineSnapshot(`
@@ -652,6 +654,7 @@ describe('lib', () => {
         ...defaultSchema,
         directory: 'my-lib',
         name: 'my-lib', // import path contains the npm scope, so it would be different
+        useProjectJson: false,
         skipFormat: true,
       });
 
@@ -665,6 +668,7 @@ describe('lib', () => {
         ...defaultSchema,
         directory: 'my-lib',
         name: '@proj/my-lib',
+        useProjectJson: false,
         skipFormat: true,
       });
 
@@ -674,10 +678,34 @@ describe('lib', () => {
     it('should not set "nx.name" in package.json when the user does not provide a name', async () => {
       await expoLibraryGenerator(appTree, {
         ...defaultSchema, // defaultSchema has no name
+        useProjectJson: false,
         skipFormat: true,
       });
 
       expect(readJson(appTree, 'my-lib/package.json').nx).toBeUndefined();
     });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      await expoLibraryGenerator(appTree, {
+        ...defaultSchema,
+        strict: false,
+        useProjectJson: true,
+      });
+
+      expect(appTree.exists('my-lib/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(appTree, '@proj/my-lib'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "name": "@proj/my-lib",
+          "projectType": "library",
+          "root": "my-lib",
+          "sourceRoot": "my-lib/src",
+          "tags": [],
+          "targets": {},
+        }
+      `);
+      expect(readJson(appTree, 'my-lib/package.json').nx).toBeUndefined();
+    });
   });
 });

packages/expo/src/generators/library/library.ts

@@ -5,7 +5,6 @@ import {
   GeneratorCallback,
   installPackagesTask,
   joinPathFragments,
-  names,
   offsetFromRoot,
   ProjectConfiguration,
   runTasksInSerial,
@@ -46,6 +45,7 @@ export async function expoLibraryGenerator(
 ): Promise<GeneratorCallback> {
   return await expoLibraryGeneratorInternal(host, {
     addPlugin: false,
+    useProjectJson: true,
     ...schema,
   });
 }
@@ -157,7 +157,7 @@ export async function expoLibraryGeneratorInternal(
   }
 
   tasks.push(() => {
-    logShowProjectCommand(options.name);
+    logShowProjectCommand(options.projectName);
   });
 
   return runTasksInSerial(...tasks);
@@ -175,18 +175,24 @@ async function addProject(
     targets: {},
   };
 
-  if (options.isUsingTsSolutionConfig) {
-    const packageJson: PackageJson = {
-      name: options.projectName,
+  let packageJson: PackageJson = {
+    name: options.importPath,
     version: '0.0.1',
-      ...determineEntryFields(options),
-      files: options.publishable ? ['dist', '!**/*.tsbuildinfo'] : undefined,
     peerDependencies: {
       react: reactVersion,
       'react-native': reactNativeVersion,
     },
   };
 
+  if (options.isUsingTsSolutionConfig) {
+    packageJson = {
+      ...packageJson,
+      ...determineEntryFields(options),
+      files: options.publishable ? ['dist', '!**/*.tsbuildinfo'] : undefined,
+    };
+  }
+
+  if (!options.useProjectJson) {
     if (options.projectName !== options.importPath) {
       packageJson.nx = { name: options.projectName };
     }
@@ -194,14 +200,21 @@ async function addProject(
       packageJson.nx ??= {};
       packageJson.nx.tags = options.parsedTags;
     }
+  } else {
+    addProjectConfiguration(host, options.projectName, project);
+  }
 
+  if (
+    !options.useProjectJson ||
+    options.isUsingTsSolutionConfig ||
+    options.publishable ||
+    options.buildable
+  ) {
     writeJson(
       host,
       joinPathFragments(options.projectRoot, 'package.json'),
       packageJson
     );
-  } else {
-    addProjectConfiguration(host, options.name, project);
   }
 
   if (options.publishable || options.buildable) {
@@ -263,7 +276,6 @@ function createFiles(host: Tree, options: NormalizedSchema) {
     options.projectRoot,
     {
       ...options,
-      ...names(options.name),
       tmpl: '',
       offsetFromRoot: offsetFromRoot(options.projectRoot),
       rootTsConfigPath: getRelativePathToRootTsConfig(

packages/expo/src/generators/library/schema.d.ts

@@ -19,4 +19,5 @@ export interface Schema {
   setParserOptionsProject?: boolean;
   skipPackageJson?: boolean; // default is false
   addPlugin?: boolean;
+  useProjectJson?: boolean;
 }

packages/expo/src/generators/library/schema.json

@@ -89,6 +89,10 @@
       "type": "boolean",
       "description": "Do not add dependencies to `package.json`.",
       "default": false
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "required": ["directory"]

packages/express/package.json

@@ -32,6 +32,7 @@
   },
   "dependencies": {
     "@nx/devkit": "file:../devkit",
+    "@nx/js": "file:../js",
     "@nx/node": "file:../node",
     "tslib": "^2.3.0"
   },

packages/express/src/generators/application/application.spec.ts

@@ -1,4 +1,10 @@
-import { readJson, Tree, updateJson, writeJson } from '@nx/devkit';
+import {
+  readJson,
+  readProjectConfiguration,
+  Tree,
+  updateJson,
+  writeJson,
+} from '@nx/devkit';
 import { createTreeWithEmptyWorkspace } from '@nx/devkit/testing';
 import { applicationGenerator } from './application';
 import { Schema } from './schema';
@@ -158,6 +164,7 @@ describe('app', () => {
     it('should add project references when using TS solution', async () => {
       await applicationGenerator(appTree, {
         directory: 'myapp',
+        useProjectJson: false,
       } as Schema);
 
       expect(readJson(appTree, 'tsconfig.json').references)
@@ -171,9 +178,11 @@ describe('app', () => {
           },
         ]
       `);
+      const packageJson = readJson(appTree, 'myapp/package.json');
+      expect(packageJson.name).toBe('@proj/myapp');
+      expect(packageJson.nx.name).toBeUndefined();
       // Make sure keys are in idiomatic order
-      expect(Object.keys(readJson(appTree, 'myapp/package.json')))
-        .toMatchInlineSnapshot(`
+      expect(Object.keys(packageJson)).toMatchInlineSnapshot(`
         [
           "name",
           "version",
@@ -313,5 +322,100 @@ describe('app', () => {
         }
       `);
     });
+
+    it('should respect the provided name', async () => {
+      await applicationGenerator(appTree, {
+        directory: 'myapp',
+        name: 'myapp',
+        useProjectJson: false,
+        skipFormat: true,
+      } as Schema);
+
+      const packageJson = readJson(appTree, 'myapp/package.json');
+      expect(packageJson.name).toBe('@proj/myapp');
+      expect(packageJson.nx.name).toBe('myapp');
+      // Make sure keys are in idiomatic order
+      expect(Object.keys(packageJson)).toMatchInlineSnapshot(`
+        [
+          "name",
+          "version",
+          "private",
+          "nx",
+        ]
+      `);
+    });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      await applicationGenerator(appTree, {
+        directory: 'myapp',
+        useProjectJson: true,
+        skipFormat: true,
+      } as Schema);
+
+      expect(appTree.exists('myapp/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(appTree, '@proj/myapp'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "name": "@proj/myapp",
+          "projectType": "application",
+          "root": "myapp",
+          "sourceRoot": "myapp/src",
+          "tags": [],
+          "targets": {
+            "build": {
+              "configurations": {
+                "development": {},
+                "production": {},
+              },
+              "defaultConfiguration": "production",
+              "executor": "@nx/webpack:webpack",
+              "options": {
+                "assets": [
+                  "myapp/src/assets",
+                ],
+                "compiler": "tsc",
+                "main": "myapp/src/main.ts",
+                "outputPath": "myapp/dist",
+                "target": "node",
+                "tsConfig": "myapp/tsconfig.app.json",
+                "webpackConfig": "myapp/webpack.config.js",
+              },
+              "outputs": [
+                "{options.outputPath}",
+              ],
+            },
+            "lint": {
+              "executor": "@nx/eslint:lint",
+            },
+            "serve": {
+              "configurations": {
+                "development": {
+                  "buildTarget": "@proj/myapp:build:development",
+                },
+                "production": {
+                  "buildTarget": "@proj/myapp:build:production",
+                },
+              },
+              "defaultConfiguration": "development",
+              "dependsOn": [
+                "build",
+              ],
+              "executor": "@nx/js:node",
+              "options": {
+                "buildTarget": "@proj/myapp:build",
+                "runBuildTargetDependencies": false,
+              },
+            },
+            "test": {
+              "options": {
+                "passWithNoTests": true,
+              },
+            },
+          },
+        }
+      `);
+      expect(readJson(appTree, 'myapp/package.json').nx).toBeUndefined();
+    });
   });
 });

packages/express/src/generators/application/application.ts

@@ -11,6 +11,7 @@ import {
   determineProjectNameAndRootOptions,
   ensureRootProjectName,
 } from '@nx/devkit/src/generators/project-name-and-root-utils';
+import { isUsingTsSolutionSetup } from '@nx/js/src/utils/typescript/ts-solution-setup';
 import { applicationGenerator as nodeApplicationGenerator } from '@nx/node';
 import { tslibVersion } from '@nx/node/src/utils/versions';
 import { join } from 'path';
@@ -69,6 +70,7 @@ server.on('error', console.error);
 export async function applicationGenerator(tree: Tree, schema: Schema) {
   return await applicationGeneratorInternal(tree, {
     addPlugin: false,
+    useProjectJson: true,
     ...schema,
   });
 }
@@ -119,10 +121,14 @@ async function normalizeOptions(
     nxJson.useInferencePlugins !== false;
   options.addPlugin ??= addPlugin;
 
+  const useProjectJson =
+    options.useProjectJson ?? !isUsingTsSolutionSetup(host);
+
   return {
     ...options,
     appProjectName,
     appProjectRoot,
+    useProjectJson,
   };
 }
 

packages/express/src/generators/application/schema.d.ts

@@ -17,4 +17,5 @@ export interface Schema {
   standaloneConfig?: boolean;
   setParserOptionsProject?: boolean;
   addPlugin?: boolean;
+  useProjectJson?: boolean;
 }

packages/express/src/generators/application/schema.json

@@ -73,6 +73,10 @@
       "type": "boolean",
       "description": "Whether or not to configure the ESLint `parserOptions.project` option. We do not do this by default for lint performance reasons.",
       "default": false
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "required": ["directory"]

packages/nest/src/generators/application/application.spec.ts

@@ -1,4 +1,10 @@
-import { readJson, updateJson, writeJson, type Tree } from '@nx/devkit';
+import {
+  readJson,
+  readProjectConfiguration,
+  updateJson,
+  writeJson,
+  type Tree,
+} from '@nx/devkit';
 import * as devkit from '@nx/devkit';
 import { createTreeWithEmptyWorkspace } from '@nx/devkit/testing';
 import { applicationGenerator } from './application';
@@ -193,6 +199,7 @@ describe('application generator', () => {
         directory: 'myapp',
         unitTestRunner: 'jest',
         addPlugin: true,
+        useProjectJson: false,
       });
 
       expect(readJson(tree, 'tsconfig.json').references).toMatchInlineSnapshot(`
@@ -330,5 +337,124 @@ describe('application generator', () => {
         }
       `);
     });
+
+    it('should respect the provided name', async () => {
+      await applicationGenerator(tree, {
+        directory: 'myapp',
+        name: 'myapp',
+        unitTestRunner: 'jest',
+        addPlugin: true,
+        useProjectJson: false,
+        skipFormat: true,
+      });
+
+      const packageJson = readJson(tree, 'myapp/package.json');
+      expect(packageJson.name).toBe('@proj/myapp');
+      expect(packageJson.nx.name).toBe('myapp');
+      // Make sure keys are in idiomatic order
+      expect(Object.keys(packageJson)).toMatchInlineSnapshot(`
+        [
+          "name",
+          "version",
+          "private",
+          "nx",
+        ]
+      `);
+    });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      await applicationGenerator(tree, {
+        directory: 'myapp',
+        e2eTestRunner: 'jest',
+        useProjectJson: true,
+        addPlugin: true,
+        skipFormat: true,
+      });
+
+      expect(tree.exists('myapp/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/myapp'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "name": "@proj/myapp",
+          "projectType": "application",
+          "root": "myapp",
+          "sourceRoot": "myapp/src",
+          "tags": [],
+          "targets": {
+            "build": {
+              "configurations": {
+                "development": {
+                  "args": [
+                    "node-env=development",
+                  ],
+                },
+              },
+              "executor": "nx:run-commands",
+              "options": {
+                "args": [
+                  "node-env=production",
+                ],
+                "command": "webpack-cli build",
+              },
+            },
+            "serve": {
+              "configurations": {
+                "development": {
+                  "buildTarget": "@proj/myapp:build:development",
+                },
+                "production": {
+                  "buildTarget": "@proj/myapp:build:production",
+                },
+              },
+              "defaultConfiguration": "development",
+              "dependsOn": [
+                "build",
+              ],
+              "executor": "@nx/js:node",
+              "options": {
+                "buildTarget": "@proj/myapp:build",
+                "runBuildTargetDependencies": false,
+              },
+            },
+            "test": {
+              "options": {
+                "passWithNoTests": true,
+              },
+            },
+          },
+        }
+      `);
+      expect(readJson(tree, 'myapp/package.json').nx).toBeUndefined();
+      expect(tree.exists('myapp-e2e/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/myapp-e2e'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "implicitDependencies": [
+            "@proj/myapp",
+          ],
+          "name": "@proj/myapp-e2e",
+          "projectType": "application",
+          "root": "myapp-e2e",
+          "targets": {
+            "e2e": {
+              "dependsOn": [
+                "@proj/myapp:build",
+              ],
+              "executor": "@nx/jest:jest",
+              "options": {
+                "jestConfig": "myapp-e2e/jest.config.ts",
+                "passWithNoTests": true,
+              },
+              "outputs": [
+                "{workspaceRoot}/coverage/{e2eProjectRoot}",
+              ],
+            },
+          },
+        }
+      `);
+      expect(readJson(tree, 'myapp-e2e/package.json').nx).toBeUndefined();
+    });
   });
 });

packages/nest/src/generators/application/application.ts

@@ -18,6 +18,7 @@ export async function applicationGenerator(
 ): Promise<GeneratorCallback> {
   return await applicationGeneratorInternal(tree, {
     addPlugin: false,
+    useProjectJson: true,
     ...rawOptions,
   });
 }

packages/nest/src/generators/application/lib/normalize-options.ts

@@ -4,6 +4,7 @@ import {
   ensureRootProjectName,
 } from '@nx/devkit/src/generators/project-name-and-root-utils';
 import { Linter } from '@nx/eslint';
+import { isUsingTsSolutionSetup } from '@nx/js/src/utils/typescript/ts-solution-setup';
 import type { Schema as NodeApplicationGeneratorOptions } from '@nx/node/src/generators/application/schema';
 import type { ApplicationGeneratorOptions, NormalizedOptions } from '../schema';
 
@@ -35,6 +36,7 @@ export async function normalizeOptions(
     linter: options.linter ?? Linter.EsLint,
     unitTestRunner: options.unitTestRunner ?? 'jest',
     e2eTestRunner: options.e2eTestRunner ?? 'jest',
+    useProjectJson: options.useProjectJson ?? !isUsingTsSolutionSetup(tree),
   };
 }
 
@@ -57,5 +59,6 @@ export function toNodeApplicationGeneratorOptions(
     bundler: 'webpack', // Some features require webpack plugins such as TS transformers
     isNest: true,
     addPlugin: options.addPlugin,
+    useProjectJson: options.useProjectJson,
   };
 }

packages/nest/src/generators/application/schema.d.ts

@@ -16,6 +16,7 @@ export interface ApplicationGeneratorOptions {
   strict?: boolean;
   addPlugin?: boolean;
   useTsSolution?: boolean;
+  useProjectJson?: boolean;
 }
 
 interface NormalizedOptions extends ApplicationGeneratorOptions {

packages/nest/src/generators/application/schema.json

@@ -78,6 +78,10 @@
       "type": "boolean",
       "description": "Adds strictNullChecks, noImplicitAny, strictBindCallApply, forceConsistentCasingInFileNames and noFallthroughCasesInSwitch to tsconfig.",
       "default": false
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "additionalProperties": false,

packages/nest/src/generators/library/lib/normalize-options.ts

@@ -58,6 +58,7 @@ export async function normalizeOptions(
     testEnvironment: options.testEnvironment ?? 'node',
     unitTestRunner: options.unitTestRunner ?? 'jest',
     isUsingTsSolutionsConfig,
+    useProjectJson: options.useProjectJson ?? !isUsingTsSolutionsConfig,
   };
 
   return normalized;
@@ -82,6 +83,6 @@ export function toJsLibraryGeneratorOptions(
     unitTestRunner: options.unitTestRunner,
     setParserOptionsProject: options.setParserOptionsProject,
     addPlugin: options.addPlugin,
-    useProjectJson: !options.isUsingTsSolutionsConfig,
+    useProjectJson: options.useProjectJson,
   };
 }

packages/nest/src/generators/library/library.spec.ts

@@ -370,6 +370,7 @@ describe('lib', () => {
       await libraryGenerator(tree, {
         directory: 'mylib',
         unitTestRunner: 'jest',
+        useProjectJson: false,
       });
 
       expect(readJson(tree, 'tsconfig.json').references).toMatchInlineSnapshot(`
@@ -503,6 +504,7 @@ describe('lib', () => {
         name: 'my-lib', // import path contains the npm scope, so it would be different
         linter: 'none',
         unitTestRunner: 'none',
+        useProjectJson: false,
         skipFormat: true,
       });
 
@@ -517,6 +519,7 @@ describe('lib', () => {
         name: '@proj/my-lib',
         linter: 'none',
         unitTestRunner: 'none',
+        useProjectJson: false,
         skipFormat: true,
       });
 
@@ -528,10 +531,48 @@ describe('lib', () => {
         directory: 'mylib',
         linter: 'none',
         unitTestRunner: 'none',
+        useProjectJson: false,
         skipFormat: true,
       });
 
       expect(readJson(tree, 'mylib/package.json').nx).toBeUndefined();
     });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      await libraryGenerator(tree, {
+        directory: 'mylib',
+        unitTestRunner: 'jest',
+        useProjectJson: true,
+        skipFormat: true,
+      });
+
+      expect(tree.exists('mylib/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/mylib'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "name": "@proj/mylib",
+          "projectType": "library",
+          "root": "mylib",
+          "sourceRoot": "mylib/src",
+          "tags": [],
+          "targets": {
+            "lint": {
+              "executor": "@nx/eslint:lint",
+            },
+            "test": {
+              "executor": "@nx/jest:jest",
+              "options": {
+                "jestConfig": "mylib/jest.config.ts",
+              },
+              "outputs": [
+                "{projectRoot}/test-output/jest/coverage",
+              ],
+            },
+          },
+        }
+      `);
+      expect(readJson(tree, 'mylib/package.json').nx).toBeUndefined();
+    });
   });
 });

packages/nest/src/generators/library/library.ts

@@ -27,6 +27,7 @@ export async function libraryGenerator(
 ): Promise<GeneratorCallback> {
   return await libraryGeneratorInternal(tree, {
     addPlugin: false,
+    useProjectJson: true,
     ...rawOptions,
   });
 }

packages/nest/src/generators/library/schema.d.ts

@@ -33,6 +33,7 @@ export interface LibraryGeneratorOptions {
   simpleName?: boolean;
   addPlugin?: boolean;
   isUsingTsSolutionsConfig?: boolean;
+  useProjectJson?: boolean;
 }
 
 export interface NormalizedOptions extends LibraryGeneratorOptions {

packages/nest/src/generators/library/schema.json

@@ -133,6 +133,10 @@
       "description": "Don't include the directory in the name of the module of the library.",
       "type": "boolean",
       "default": false
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "additionalProperties": false,

packages/next/src/generators/application/application.spec.ts

@@ -872,48 +872,10 @@ describe('app', () => {
       expect(tsConfigApp.exclude).not.toContain('**/*.spec.js');
     });
   });
-});
-
-describe('app (legacy)', () => {
-  let tree: Tree;
-  let originalEnv;
-
-  const schema: Schema = {
-    directory: 'app',
-    appDir: true,
-    unitTestRunner: 'jest',
-    style: 'css',
-    e2eTestRunner: 'cypress',
-  };
-
-  beforeAll(() => {
-    tree = createTreeWithEmptyWorkspace();
-    originalEnv = process.env['NX_ADD_PLUGINS'];
-    process.env['NX_ADD_PLUGINS'] = 'false';
-  });
-
-  afterAll(() => {
-    if (originalEnv) {
-      process.env['NX_ADD_PLUGINS'] = originalEnv;
-    } else {
-      delete process.env['NX_ADD_PLUGINS'];
-    }
-  });
-
-  it('should generate build and serve targets', async () => {
-    const name = uniq();
-
-    await applicationGenerator(tree, {
-      ...schema,
-      name,
-    });
-
-    const projectConfiguration = readProjectConfiguration(tree, name);
-    expect(projectConfiguration.targets.build).toBeDefined();
-    expect(projectConfiguration.targets.serve).toBeDefined();
-  });
 
   describe('TS solution setup', () => {
+    let tree: Tree;
+
     beforeEach(() => {
       tree = createTreeWithEmptyWorkspace();
       updateJson(tree, 'package.json', (json) => {
@@ -935,9 +897,13 @@ describe('app (legacy)', () => {
 
     it('should add project references when using TS solution', async () => {
       await applicationGenerator(tree, {
-        ...schema,
-        addPlugin: true,
         directory: 'myapp',
+        appDir: true,
+        unitTestRunner: 'jest',
+        style: 'css',
+        e2eTestRunner: 'cypress',
+        addPlugin: true,
+        useProjectJson: false,
       });
 
       expect(readJson(tree, 'tsconfig.json').references).toMatchInlineSnapshot(`
@@ -1089,10 +1055,14 @@ describe('app (legacy)', () => {
 
     it('should respect the provided name', async () => {
       await applicationGenerator(tree, {
-        ...schema,
-        addPlugin: true,
         directory: 'myapp',
         name: 'myapp',
+        appDir: true,
+        unitTestRunner: 'jest',
+        style: 'css',
+        e2eTestRunner: 'cypress',
+        addPlugin: true,
+        useProjectJson: false,
       });
 
       const packageJson = readJson(tree, 'myapp/package.json');
@@ -1109,6 +1079,91 @@ describe('app (legacy)', () => {
           ]
         `);
     });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      await applicationGenerator(tree, {
+        directory: 'myapp',
+        appDir: true,
+        unitTestRunner: 'jest',
+        style: 'css',
+        e2eTestRunner: 'cypress',
+        addPlugin: true,
+        useProjectJson: true,
+        skipFormat: true,
+      });
+
+      expect(tree.exists('myapp/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/myapp'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "name": "@proj/myapp",
+          "projectType": "application",
+          "root": "myapp",
+          "sourceRoot": "myapp",
+          "tags": [],
+          "targets": {},
+        }
+      `);
+      expect(readJson(tree, 'myapp/package.json').nx).toBeUndefined();
+      expect(tree.exists('myapp-e2e/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/myapp-e2e'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "implicitDependencies": [
+            "@proj/myapp",
+          ],
+          "name": "@proj/myapp-e2e",
+          "projectType": "application",
+          "root": "myapp-e2e",
+          "sourceRoot": "myapp-e2e/src",
+          "tags": [],
+          "targets": {},
+        }
+      `);
+      expect(readJson(tree, 'myapp-e2e/package.json').nx).toBeUndefined();
+    });
+  });
+});
+
+describe('app (legacy)', () => {
+  let tree: Tree;
+  let originalEnv;
+
+  const schema: Schema = {
+    directory: 'app',
+    appDir: true,
+    unitTestRunner: 'jest',
+    style: 'css',
+    e2eTestRunner: 'cypress',
+  };
+
+  beforeAll(() => {
+    tree = createTreeWithEmptyWorkspace();
+    originalEnv = process.env['NX_ADD_PLUGINS'];
+    process.env['NX_ADD_PLUGINS'] = 'false';
+  });
+
+  afterAll(() => {
+    if (originalEnv) {
+      process.env['NX_ADD_PLUGINS'] = originalEnv;
+    } else {
+      delete process.env['NX_ADD_PLUGINS'];
+    }
+  });
+
+  it('should generate build and serve targets', async () => {
+    const name = uniq();
+
+    await applicationGenerator(tree, {
+      ...schema,
+      name,
+    });
+
+    const projectConfiguration = readProjectConfiguration(tree, name);
+    expect(projectConfiguration.targets.build).toBeDefined();
+    expect(projectConfiguration.targets.serve).toBeDefined();
   });
 });
 

packages/next/src/generators/application/application.ts

@@ -40,6 +40,7 @@ import { configureForSwc } from '../../utils/add-swc-to-custom-server';
 export async function applicationGenerator(host: Tree, schema: Schema) {
   return await applicationGeneratorInternal(host, {
     addPlugin: false,
+    useProjectJson: true,
     ...schema,
   });
 }

packages/next/src/generators/application/lib/add-e2e.ts

@@ -6,15 +6,14 @@ import {
   Tree,
   writeJson,
 } from '@nx/devkit';
+import { getE2EWebServerInfo } from '@nx/devkit/src/generators/e2e-web-server-info-utils';
+import { addE2eCiTargetDefaults } from '@nx/devkit/src/generators/target-defaults-utils';
+import { findPluginForConfigFile } from '@nx/devkit/src/utils/find-plugin-for-config-file';
 import { Linter } from '@nx/eslint';
-
+import { webStaticServeGenerator } from '@nx/web';
+import type { PackageJson } from 'nx/src/utils/package-json';
 import { nxVersion } from '../../../utils/versions';
 import { NormalizedSchema } from './normalize-options';
-import { webStaticServeGenerator } from '@nx/web';
-import { findPluginForConfigFile } from '@nx/devkit/src/utils/find-plugin-for-config-file';
-import { addE2eCiTargetDefaults } from '@nx/devkit/src/generators/target-defaults-utils';
-import { getE2EWebServerInfo } from '@nx/devkit/src/generators/e2e-web-server-info-utils';
-import { isUsingTsSolutionSetup } from '@nx/js/src/utils/typescript/ts-solution-setup';
 
 export async function addE2e(host: Tree, options: NormalizedSchema) {
   const nxJson = readNxJson(host);
@@ -45,19 +44,16 @@ export async function addE2e(host: Tree, options: NormalizedSchema) {
       });
     }
 
-    if (isUsingTsSolutionSetup(host)) {
-      writeJson(
-        host,
-        joinPathFragments(options.e2eProjectRoot, 'package.json'),
-        {
+    const packageJson: PackageJson = {
       name: options.e2eProjectName,
       version: '0.0.1',
       private: true,
-          nx: {
+    };
+
+    if (!options.useProjectJson) {
+      packageJson.nx = {
         implicitDependencies: [options.projectName],
-          },
-        }
-      );
+      };
     } else {
       addProjectConfiguration(host, options.e2eProjectName, {
         root: options.e2eProjectRoot,
@@ -69,6 +65,14 @@ export async function addE2e(host: Tree, options: NormalizedSchema) {
       });
     }
 
+    if (!options.useProjectJson || options.isTsSolutionSetup) {
+      writeJson(
+        host,
+        joinPathFragments(options.e2eProjectRoot, 'package.json'),
+        packageJson
+      );
+    }
+
     const e2eTask = await configurationGenerator(host, {
       ...options,
       linter: Linter.EsLint,
@@ -124,19 +128,17 @@ export async function addE2e(host: Tree, options: NormalizedSchema) {
     const { configurationGenerator } = ensurePackage<
       typeof import('@nx/playwright')
     >('@nx/playwright', nxVersion);
-    if (isUsingTsSolutionSetup(host)) {
-      writeJson(
-        host,
-        joinPathFragments(options.e2eProjectRoot, 'package.json'),
-        {
+
+    const packageJson: PackageJson = {
       name: options.e2eProjectName,
       version: '0.0.1',
       private: true,
-          nx: {
+    };
+
+    if (!options.useProjectJson) {
+      packageJson.nx = {
         implicitDependencies: [options.projectName],
-          },
-        }
-      );
+      };
     } else {
       addProjectConfiguration(host, options.e2eProjectName, {
         root: options.e2eProjectRoot,
@@ -148,6 +150,14 @@ export async function addE2e(host: Tree, options: NormalizedSchema) {
       });
     }
 
+    if (!options.useProjectJson || options.isTsSolutionSetup) {
+      writeJson(
+        host,
+        joinPathFragments(options.e2eProjectRoot, 'package.json'),
+        packageJson
+      );
+    }
+
     const e2eTask = await configurationGenerator(host, {
       rootProject: options.rootProject,
       project: options.e2eProjectName,

packages/next/src/generators/application/lib/add-project.ts

@@ -72,7 +72,6 @@ export function addProject(host: Tree, options: NormalizedSchema) {
     tags: options.parsedTags,
   };
 
-  if (isUsingTsSolutionSetup(host)) {
   const packageJson: PackageJson = {
     name: options.importPath,
     version: '0.0.1',
@@ -84,6 +83,7 @@ export function addProject(host: Tree, options: NormalizedSchema) {
     },
   };
 
+  if (!options.useProjectJson) {
     if (options.projectName !== options.importPath) {
       packageJson.nx = { name: options.projectName };
     }
@@ -91,15 +91,17 @@ export function addProject(host: Tree, options: NormalizedSchema) {
       packageJson.nx ??= {};
       packageJson.nx.tags = options.parsedTags;
     }
-
-    writeJson(
-      host,
-      joinPathFragments(options.appProjectRoot, 'package.json'),
-      packageJson
-    );
   } else {
     addProjectConfiguration(host, options.projectName, {
       ...project,
     });
   }
+
+  if (!options.useProjectJson || options.isTsSolutionSetup) {
+    writeJson(
+      host,
+      joinPathFragments(options.appProjectRoot, 'package.json'),
+      packageJson
+    );
+  }
 }

packages/next/src/generators/application/lib/normalize-options.ts

@@ -97,5 +97,6 @@ export async function normalizeOptions(
     unitTestRunner: options.unitTestRunner || 'jest',
     importPath,
     isTsSolutionSetup,
+    useProjectJson: options.useProjectJson ?? !isTsSolutionSetup,
   };
 }

packages/next/src/generators/application/schema.d.ts

@@ -22,4 +22,5 @@ export interface Schema {
   addPlugin?: boolean;
   useTsSolution?: boolean;
   formatter?: 'prettier' | 'none';
+  useProjectJson?: boolean;
 }

packages/next/src/generators/application/schema.json

@@ -144,6 +144,10 @@
       "default": false,
       "hidden": true,
       "x-priority": "internal"
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "required": ["directory"],

packages/next/src/generators/library/lib/normalize-options.ts

@@ -32,11 +32,13 @@ export async function normalizeOptions(
     process.env.NX_ADD_PLUGINS !== 'false' &&
     nxJson.useInferencePlugins !== false;
   options.addPlugin ??= addPlugin;
+  const isUsingTsSolutionConfig = isUsingTsSolutionSetup(host);
 
   return {
     ...options,
     importPath,
     projectRoot,
-    isUsingTsSolutionConfig: isUsingTsSolutionSetup(host),
+    isUsingTsSolutionConfig,
+    useProjectJson: options.useProjectJson ?? !isUsingTsSolutionConfig,
   };
 }

packages/next/src/generators/library/library.spec.ts

@@ -1,5 +1,11 @@
 import { installedCypressVersion } from '@nx/cypress/src/utils/cypress-version';
-import { readJson, Tree, updateJson, writeJson } from '@nx/devkit';
+import {
+  readJson,
+  readProjectConfiguration,
+  Tree,
+  updateJson,
+  writeJson,
+} from '@nx/devkit';
 import { createTreeWithEmptyWorkspace } from '@nx/devkit/testing';
 import { Linter } from '@nx/eslint';
 import libraryGenerator from './library';
@@ -145,6 +151,7 @@ describe('next library', () => {
         unitTestRunner: 'jest',
         style: 'css',
         component: false,
+        useProjectJson: false,
       });
 
       expect(readJson(tree, 'tsconfig.json').references).toMatchInlineSnapshot(`
@@ -264,6 +271,7 @@ describe('next library', () => {
         linter: 'none',
         unitTestRunner: 'none',
         style: 'css',
+        useProjectJson: false,
         skipFormat: true,
       });
 
@@ -279,6 +287,7 @@ describe('next library', () => {
         linter: 'none',
         unitTestRunner: 'none',
         style: 'css',
+        useProjectJson: false,
         skipFormat: true,
       });
 
@@ -291,10 +300,38 @@ describe('next library', () => {
         linter: 'none',
         unitTestRunner: 'none',
         style: 'css',
+        useProjectJson: false,
         skipFormat: true,
       });
 
       expect(readJson(tree, 'mylib/package.json').nx).toBeUndefined();
     });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      await libraryGenerator(tree, {
+        directory: 'mylib',
+        linter: Linter.EsLint,
+        unitTestRunner: 'jest',
+        style: 'css',
+        addPlugin: true,
+        useProjectJson: true,
+        skipFormat: true,
+      });
+
+      expect(tree.exists('mylib/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/mylib'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "name": "@proj/mylib",
+          "projectType": "library",
+          "root": "mylib",
+          "sourceRoot": "mylib/src",
+          "tags": [],
+          "targets": {},
+        }
+      `);
+      expect(readJson(tree, 'mylib/package.json').nx).toBeUndefined();
+    });
   });
 });

packages/next/src/generators/library/library.ts

@@ -28,6 +28,7 @@ import { sortPackageJsonFields } from '@nx/js/src/utils/package-json/sort-fields
 export async function libraryGenerator(host: Tree, rawOptions: Schema) {
   return await libraryGeneratorInternal(host, {
     addPlugin: false,
+    useProjectJson: true,
     ...rawOptions,
   });
 }

packages/next/src/generators/library/schema.d.ts

@@ -24,4 +24,5 @@ export interface Schema {
   setParserOptionsProject?: boolean;
   skipPackageJson?: boolean;
   addPlugin?: boolean;
+  useProjectJson?: boolean;
 }

packages/next/src/generators/library/schema.json

@@ -158,6 +158,10 @@
       "default": false,
       "description": "Do not add dependencies to `package.json`.",
       "x-priority": "internal"
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "required": ["directory"],

packages/node/src/generators/application/application.spec.ts

@@ -587,6 +587,7 @@ describe('app', () => {
         bundler: 'webpack',
         unitTestRunner: 'jest',
         addPlugin: true,
+        useProjectJson: false,
       });
 
       expect(readJson(tree, 'tsconfig.json').references).toMatchInlineSnapshot(`
@@ -723,6 +724,7 @@ describe('app', () => {
         bundler: 'webpack',
         unitTestRunner: 'jest',
         addPlugin: true,
+        useProjectJson: false,
       });
 
       const packageJson = readJson(tree, 'myapp/package.json');
@@ -743,6 +745,7 @@ describe('app', () => {
       await applicationGenerator(tree, {
         directory: 'apps/my-app',
         swcJest: true,
+        useProjectJson: false,
       } as Schema);
 
       expect(tree.read('apps/my-app/jest.config.ts', 'utf-8'))
@@ -803,6 +806,7 @@ describe('app', () => {
         directory: 'apps/my-app',
         bundler: 'webpack',
         addPlugin: true,
+        useProjectJson: false,
         skipFormat: true,
       });
 
@@ -837,6 +841,7 @@ describe('app', () => {
         directory: 'apps/my-app',
         bundler: 'webpack',
         addPlugin: false,
+        useProjectJson: false,
         skipFormat: true,
       });
 
@@ -851,6 +856,7 @@ describe('app', () => {
         directory: 'apps/my-app',
         bundler: 'esbuild',
         addPlugin: false,
+        useProjectJson: false,
         skipFormat: true,
       });
 
@@ -859,5 +865,85 @@ describe('app', () => {
           .outputPath
       ).toBe('apps/my-app/dist');
     });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      await applicationGenerator(tree, {
+        directory: 'myapp',
+        bundler: 'webpack',
+        unitTestRunner: 'jest',
+        addPlugin: true,
+        useProjectJson: true,
+        skipFormat: true,
+      });
+
+      expect(tree.exists('myapp/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/myapp'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "name": "@proj/myapp",
+          "projectType": "application",
+          "root": "myapp",
+          "sourceRoot": "myapp/src",
+          "tags": [],
+          "targets": {
+            "serve": {
+              "configurations": {
+                "development": {
+                  "buildTarget": "@proj/myapp:build:development",
+                },
+                "production": {
+                  "buildTarget": "@proj/myapp:build:production",
+                },
+              },
+              "defaultConfiguration": "development",
+              "dependsOn": [
+                "build",
+              ],
+              "executor": "@nx/js:node",
+              "options": {
+                "buildTarget": "@proj/myapp:build",
+                "runBuildTargetDependencies": false,
+              },
+            },
+            "test": {
+              "options": {
+                "passWithNoTests": true,
+              },
+            },
+          },
+        }
+      `);
+      expect(readJson(tree, 'myapp/package.json').nx).toBeUndefined();
+      expect(tree.exists('myapp-e2e/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/myapp-e2e'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "implicitDependencies": [
+            "@proj/myapp",
+          ],
+          "name": "@proj/myapp-e2e",
+          "projectType": "application",
+          "root": "myapp-e2e",
+          "targets": {
+            "e2e": {
+              "dependsOn": [
+                "@proj/myapp:build",
+              ],
+              "executor": "@nx/jest:jest",
+              "options": {
+                "jestConfig": "myapp-e2e/jest.config.ts",
+                "passWithNoTests": true,
+              },
+              "outputs": [
+                "{workspaceRoot}/coverage/{e2eProjectRoot}",
+              ],
+            },
+          },
+        }
+      `);
+      expect(readJson(tree, 'myapp-e2e/package.json').nx).toBeUndefined();
+    });
   });
 });

packages/node/src/generators/application/application.ts

@@ -60,6 +60,7 @@ import {
   updateTsconfigFiles,
 } from '@nx/js/src/utils/typescript/ts-solution-setup';
 import { sortPackageJsonFields } from '@nx/js/src/utils/package-json/sort-fields';
+import type { PackageJson } from 'nx/src/utils/package-json';
 
 export interface NormalizedSchema extends Omit<Schema, 'useTsSolution'> {
   appProjectRoot: string;
@@ -206,17 +207,18 @@ function addProject(tree: Tree, options: NormalizedSchema) {
   }
   project.targets.serve = getServeConfig(options);
 
-  if (options.isUsingTsSolutionConfig) {
-    writeJson(tree, joinPathFragments(options.appProjectRoot, 'package.json'), {
+  const packageJson: PackageJson = {
     name: options.importPath,
     version: '0.0.1',
     private: true,
-      nx: {
+  };
+
+  if (!options.useProjectJson) {
+    packageJson.nx = {
       name: options.name !== options.importPath ? options.name : undefined,
       targets: project.targets,
       tags: project.tags?.length ? project.tags : undefined,
-      },
-    });
+    };
   } else {
     addProjectConfiguration(
       tree,
@@ -225,6 +227,14 @@ function addProject(tree: Tree, options: NormalizedSchema) {
       options.standaloneConfig
     );
   }
+
+  if (!options.useProjectJson || options.isUsingTsSolutionConfig) {
+    writeJson(
+      tree,
+      joinPathFragments(options.appProjectRoot, 'package.json'),
+      packageJson
+    );
+  }
 }
 
 function addAppFiles(tree: Tree, options: NormalizedSchema) {
@@ -435,6 +445,7 @@ function updateTsConfigOptions(tree: Tree, options: NormalizedSchema) {
 export async function applicationGenerator(tree: Tree, schema: Schema) {
   return await applicationGeneratorInternal(tree, {
     addPlugin: false,
+    useProjectJson: true,
     ...schema,
   });
 }
@@ -646,6 +657,7 @@ async function normalizeOptions(
 
   const appProjectName =
     !isUsingTsSolutionConfig || options.name ? projectName : importPath;
+  const useProjectJson = options.useProjectJson ?? !isUsingTsSolutionConfig;
 
   return {
     addPlugin,
@@ -669,6 +681,7 @@ async function normalizeOptions(
         ),
     isUsingTsSolutionConfig,
     swcJest,
+    useProjectJson,
   };
 }
 

packages/node/src/generators/application/schema.d.ts

@@ -25,6 +25,7 @@ export interface Schema {
   isNest?: boolean;
   addPlugin?: boolean;
   useTsSolution?: boolean;
+  useProjectJson?: boolean;
 }
 
 export type NodeJsFrameWorks = 'express' | 'koa' | 'fastify' | 'nest' | 'none';

packages/node/src/generators/application/schema.json

@@ -123,6 +123,10 @@
     "docker": {
       "type": "boolean",
       "description": "Add a docker build target"
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "required": ["directory"]

packages/node/src/generators/e2e-project/e2e-project.spec.ts

@@ -173,6 +173,7 @@ describe('e2eProjectGenerator', () => {
         framework: 'none',
         e2eTestRunner: 'none',
         addPlugin: true,
+        useProjectJson: false,
       });
       await e2eProjectGenerator(tree, {
         projectType: 'server',
@@ -214,6 +215,7 @@ describe('e2eProjectGenerator', () => {
         framework: 'none',
         e2eTestRunner: 'none',
         addPlugin: true,
+        useProjectJson: false,
       });
       await e2eProjectGenerator(tree, {
         projectType: 'server',
@@ -282,11 +284,13 @@ describe('e2eProjectGenerator', () => {
         framework: 'none',
         e2eTestRunner: 'none',
         addPlugin: true,
+        useProjectJson: false,
       });
       await e2eProjectGenerator(tree, {
         projectType: 'cli',
         project: '@proj/cli',
         addPlugin: true,
+        useProjectJson: false,
       });
 
       expect(tree.read('cli-e2e/jest.config.ts', 'utf-8'))

packages/node/src/generators/e2e-project/e2e-project.ts

@@ -36,10 +36,12 @@ import {
 } from '@nx/js/src/utils/typescript/ts-solution-setup';
 import { relative } from 'node:path/posix';
 import { addSwcTestConfig } from '@nx/js/src/utils/swc/add-swc-config';
+import type { PackageJson } from 'nx/src/utils/package-json';
 
 export async function e2eProjectGenerator(host: Tree, options: Schema) {
   return await e2eProjectGeneratorInternal(host, {
     addPlugin: false,
+    useProjectJson: true,
     ...options,
   });
 }
@@ -51,15 +53,16 @@ export async function e2eProjectGeneratorInternal(
   const tasks: GeneratorCallback[] = [];
   const options = await normalizeOptions(host, _options);
   const appProject = readProjectConfiguration(host, options.project);
-  const isUsingTsSolutionConfig = isUsingTsSolutionSetup(host);
 
   // TODO(@ndcunningham): This is broken.. the outputs are wrong.. and this isn't using the jest generator
-  if (isUsingTsSolutionConfig) {
-    writeJson(host, joinPathFragments(options.e2eProjectRoot, 'package.json'), {
+  const packageJson: PackageJson = {
     name: options.importPath,
     version: '0.0.1',
     private: true,
-      nx: {
+  };
+
+  if (!options.useProjectJson) {
+    packageJson.nx = {
       name:
         options.e2eProjectName !== options.importPath
           ? options.e2eProjectName
@@ -76,8 +79,7 @@ export async function e2eProjectGeneratorInternal(
           dependsOn: [`${options.project}:build`],
         },
       },
-      },
-    });
+    };
   } else {
     addProjectConfiguration(host, options.e2eProjectName, {
       root: options.e2eProjectRoot,
@@ -96,6 +98,15 @@ export async function e2eProjectGeneratorInternal(
       },
     });
   }
+
+  if (!options.useProjectJson || options.isUsingTsSolutionConfig) {
+    writeJson(
+      host,
+      joinPathFragments(options.e2eProjectRoot, 'package.json'),
+      packageJson
+    );
+  }
+
   // TODO(@nicholas): Find a better way to get build target
 
   // We remove the 'test' target from the e2e project because it is not needed
@@ -125,11 +136,11 @@ export async function e2eProjectGeneratorInternal(
   }
 
   const jestPreset = findRootJestPreset(host) ?? 'jest.preset.js';
-  const tsConfigFile = isUsingTsSolutionConfig
+  const tsConfigFile = options.isUsingTsSolutionConfig
     ? 'tsconfig.json'
     : 'tsconfig.spec.json';
   const rootOffset = offsetFromRoot(options.e2eProjectRoot);
-  const coverageDirectory = isUsingTsSolutionConfig
+  const coverageDirectory = options.isUsingTsSolutionConfig
     ? 'test-output/jest/coverage'
     : joinPathFragments(rootOffset, 'coverage', options.e2eProjectName);
   const projectSimpleName = options.project.split('/').pop();
@@ -145,7 +156,6 @@ export async function e2eProjectGeneratorInternal(
         offsetFromRoot: rootOffset,
         jestPreset,
         coverageDirectory,
-        isUsingTsSolutionConfig,
         tmpl: '',
       }
     );
@@ -178,13 +188,12 @@ export async function e2eProjectGeneratorInternal(
         offsetFromRoot: rootOffset,
         jestPreset,
         coverageDirectory,
-        isUsingTsSolutionConfig,
         tmpl: '',
       }
     );
   }
 
-  if (isUsingTsSolutionConfig) {
+  if (options.isUsingTsSolutionConfig) {
     addSwcTestConfig(host, options.e2eProjectRoot, 'es6');
     generateFiles(
       host,
@@ -245,7 +254,7 @@ export async function e2eProjectGeneratorInternal(
     }
   }
 
-  if (isUsingTsSolutionConfig) {
+  if (options.isUsingTsSolutionConfig) {
     updateJson(host, 'tsconfig.json', (json) => {
       json.references ??= [];
       const e2eRef = `./${options.e2eProjectRoot}`;
@@ -258,7 +267,7 @@ export async function e2eProjectGeneratorInternal(
 
   // If we are using the new TS solution
   // We need to update the workspace file (package.json or pnpm-workspaces.yaml) to include the new project
-  if (isUsingTsSolutionConfig) {
+  if (options.isUsingTsSolutionConfig) {
     await addProjectToTsSolutionWorkspace(host, options.e2eProjectRoot);
   }
 
@@ -281,6 +290,7 @@ async function normalizeOptions(
     e2eProjectRoot: string;
     e2eProjectName: string;
     importPath: string;
+    isUsingTsSolutionConfig: boolean;
   }
 > {
   let directory = options.rootProject ? 'e2e' : options.directory;
@@ -303,6 +313,8 @@ async function normalizeOptions(
     process.env.NX_ADD_PLUGINS !== 'false' &&
     nxJson.useInferencePlugins !== false;
 
+  const isUsingTsSolutionConfig = isUsingTsSolutionSetup(tree);
+
   return {
     addPlugin,
     ...options,
@@ -311,6 +323,8 @@ async function normalizeOptions(
     importPath,
     port: options.port ?? 3000,
     rootProject: !!options.rootProject,
+    isUsingTsSolutionConfig,
+    useProjectJson: options.useProjectJson ?? !isUsingTsSolutionConfig,
   };
 }
 

packages/node/src/generators/e2e-project/schema.d.ts

@@ -9,4 +9,5 @@ export interface Schema {
   isNest?: boolean;
   skipFormat?: boolean;
   addPlugin?: boolean;
+  useProjectJson?: boolean;
 }

packages/node/src/generators/e2e-project/schema.json

@@ -59,6 +59,10 @@
       "default": false,
       "hidden": true,
       "x-priority": "internal"
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "required": ["project"]

packages/node/src/generators/library/library.spec.ts

@@ -545,6 +545,7 @@ describe('lib', () => {
         directory: 'mylib',
         unitTestRunner: 'jest',
         addPlugin: true,
+        useProjectJson: false,
       } as Schema);
 
       expect(readJson(tree, 'tsconfig.json').references).toMatchInlineSnapshot(`
@@ -660,6 +661,7 @@ describe('lib', () => {
         compiler: 'swc',
         unitTestRunner: 'jest',
         addPlugin: true,
+        useProjectJson: false,
       } as Schema);
 
       expect(readJson(tree, 'mylib/package.json')).toMatchInlineSnapshot(`
@@ -709,6 +711,7 @@ describe('lib', () => {
         linter: 'none',
         unitTestRunner: 'none',
         addPlugin: true,
+        useProjectJson: false,
         skipFormat: true,
       } as Schema);
 
@@ -724,6 +727,7 @@ describe('lib', () => {
         linter: 'none',
         unitTestRunner: 'none',
         addPlugin: true,
+        useProjectJson: false,
         skipFormat: true,
       } as Schema);
 
@@ -736,10 +740,36 @@ describe('lib', () => {
         linter: 'none',
         unitTestRunner: 'none',
         addPlugin: true,
+        useProjectJson: false,
         skipFormat: true,
       } as Schema);
 
       expect(readJson(tree, 'mylib/package.json').nx).toBeUndefined();
     });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      await libraryGenerator(tree, {
+        directory: 'mylib',
+        unitTestRunner: 'jest',
+        addPlugin: true,
+        useProjectJson: true,
+        skipFormat: true,
+      } as Schema);
+
+      expect(tree.exists('mylib/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/mylib'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "name": "@proj/mylib",
+          "projectType": "library",
+          "root": "mylib",
+          "sourceRoot": "mylib/src",
+          "tags": [],
+          "targets": {},
+        }
+      `);
+      expect(readJson(tree, 'mylib/package.json').nx).toBeUndefined();
+    });
   });
 });

packages/node/src/generators/library/library.ts

@@ -47,6 +47,7 @@ export interface NormalizedSchema extends Schema {
 export async function libraryGenerator(tree: Tree, schema: Schema) {
   return await libraryGeneratorInternal(tree, {
     addPlugin: false,
+    useProjectJson: true,
     ...schema,
   });
 }
@@ -70,6 +71,7 @@ export async function libraryGeneratorInternal(tree: Tree, schema: Schema) {
 
   // Create `package.json` first because @nx/js:lib generator will update it.
   if (
+    !options.useProjectJson ||
     options.isUsingTsSolutionConfig ||
     options.publishable ||
     options.buildable
@@ -78,7 +80,6 @@ export async function libraryGeneratorInternal(tree: Tree, schema: Schema) {
       name: options.importPath,
       version: '0.0.1',
       private: true,
-      files: options.publishable ? ['dist', '!**/*.tsbuildinfo'] : undefined,
     });
   }
 
@@ -91,7 +92,7 @@ export async function libraryGeneratorInternal(tree: Tree, schema: Schema) {
       testEnvironment: 'node',
       skipFormat: true,
       setParserOptionsProject: schema.setParserOptionsProject,
-      useProjectJson: !options.isUsingTsSolutionConfig,
+      useProjectJson: options.useProjectJson,
     })
   );
 
@@ -173,6 +174,7 @@ async function normalizeOptions(
     parsedTags,
     importPath,
     isUsingTsSolutionConfig,
+    useProjectJson: options.useProjectJson ?? !isUsingTsSolutionConfig,
   };
 }
 

packages/node/src/generators/library/schema.d.ts

@@ -21,4 +21,5 @@ export interface Schema {
   setParserOptionsProject?: boolean;
   compiler: 'tsc' | 'swc';
   addPlugin?: boolean;
+  useProjectJson?: boolean;
 }

packages/node/src/generators/library/schema.json

@@ -123,6 +123,10 @@
       "type": "boolean",
       "description": "Whether or not to configure the ESLint `parserOptions.project`. We do not do this by default for lint performance reasons.",
       "default": false
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "required": ["directory"]

packages/nuxt/generators.json

@@ -11,7 +11,7 @@
       "hidden": true
     },
     "application": {
-      "factory": "./src/generators/application/application",
+      "factory": "./src/generators/application/application#applicationGeneratorInternal",
       "schema": "./src/generators/application/schema.json",
       "aliases": ["app"],
       "description": "Create a Nuxt application."

packages/nuxt/src/generators/application/application.spec.ts

@@ -240,6 +240,7 @@ describe('app', () => {
         e2eTestRunner: 'playwright',
         unitTestRunner: 'vitest',
         linter: 'eslint',
+        useProjectJson: false,
       });
 
       expect(tree.read('myapp/vite.config.ts', 'utf-8')).toMatchInlineSnapshot(
@@ -395,6 +396,7 @@ describe('app', () => {
         e2eTestRunner: 'playwright',
         unitTestRunner: 'vitest',
         linter: 'eslint',
+        useProjectJson: false,
       });
 
       const packageJson = readJson(tree, 'myapp/package.json');
@@ -410,5 +412,46 @@ describe('app', () => {
         ]
       `);
     });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      await applicationGenerator(tree, {
+        directory: 'myapp',
+        e2eTestRunner: 'playwright',
+        unitTestRunner: 'vitest',
+        linter: 'eslint',
+        useProjectJson: true,
+        skipFormat: true,
+      });
+
+      expect(tree.exists('myapp/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/myapp'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "name": "@proj/myapp",
+          "projectType": "application",
+          "root": "myapp",
+          "sourceRoot": "myapp/src",
+          "targets": {},
+        }
+      `);
+      expect(readJson(tree, 'myapp/package.json').nx).toBeUndefined();
+      expect(tree.exists('myapp-e2e/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/myapp-e2e'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "implicitDependencies": [
+            "@proj/myapp",
+          ],
+          "name": "@proj/myapp-e2e",
+          "projectType": "application",
+          "root": "myapp-e2e",
+          "sourceRoot": "myapp-e2e/src",
+          "targets": {},
+        }
+      `);
+      expect(readJson(tree, 'myapp-e2e/package.json').nx).toBeUndefined();
+    });
   });
 });

packages/nuxt/src/generators/application/application.ts

@@ -40,6 +40,13 @@ import { sortPackageJsonFields } from '@nx/js/src/utils/package-json/sort-fields
 import type { PackageJson } from 'nx/src/utils/package-json';
 
 export async function applicationGenerator(tree: Tree, schema: Schema) {
+  return await applicationGeneratorInternal(tree, {
+    useProjectJson: true,
+    ...schema,
+  });
+}
+
+export async function applicationGeneratorInternal(tree: Tree, schema: Schema) {
   const tasks: GeneratorCallback[] = [];
 
   const jsInitTask = await jsInitGenerator(tree, {
@@ -66,13 +73,13 @@ export async function applicationGenerator(tree: Tree, schema: Schema) {
 
   tasks.push(ensureDependencies(tree, options));
 
-  if (options.isUsingTsSolutionConfig) {
   const packageJson: PackageJson = {
     name: options.importPath,
     version: '0.0.1',
     private: true,
   };
 
+  if (!options.useProjectJson) {
     if (options.projectName !== options.importPath) {
       packageJson.nx = { name: options.projectName };
     }
@@ -80,12 +87,6 @@ export async function applicationGenerator(tree: Tree, schema: Schema) {
       packageJson.nx ??= {};
       packageJson.nx.tags = options.parsedTags;
     }
-
-    writeJson(
-      tree,
-      joinPathFragments(options.appProjectRoot, 'package.json'),
-      packageJson
-    );
   } else {
     addProjectConfiguration(tree, options.projectName, {
       root: options.appProjectRoot,
@@ -96,6 +97,14 @@ export async function applicationGenerator(tree: Tree, schema: Schema) {
     });
   }
 
+  if (!options.useProjectJson || options.isUsingTsSolutionConfig) {
+    writeJson(
+      tree,
+      joinPathFragments(options.appProjectRoot, 'package.json'),
+      packageJson
+    );
+  }
+
   generateFiles(
     tree,
     joinPathFragments(__dirname, './files/base'),

packages/nuxt/src/generators/application/lib/add-e2e.ts

@@ -11,6 +11,7 @@ import { nxVersion } from '../../../utils/versions';
 import { NormalizedSchema } from '../schema';
 import { findPluginForConfigFile } from '@nx/devkit/src/utils/find-plugin-for-config-file';
 import { addE2eCiTargetDefaults } from '@nx/devkit/src/generators/target-defaults-utils';
+import type { PackageJson } from 'nx/src/utils/package-json';
 
 export async function addE2e(host: Tree, options: NormalizedSchema) {
   const e2eWebServerInfo = await getNuxtE2EWebServerInfo(
@@ -25,19 +26,17 @@ export async function addE2e(host: Tree, options: NormalizedSchema) {
     const { configurationGenerator } = ensurePackage<
       typeof import('@nx/cypress')
     >('@nx/cypress', nxVersion);
-    if (options.isUsingTsSolutionConfig) {
-      writeJson(
-        host,
-        joinPathFragments(options.e2eProjectRoot, 'package.json'),
-        {
+
+    const packageJson: PackageJson = {
       name: options.e2eProjectName,
       version: '0.0.1',
       private: true,
-          nx: {
+    };
+
+    if (!options.useProjectJson) {
+      packageJson.nx = {
         implicitDependencies: [options.projectName],
-          },
-        }
-      );
+      };
     } else {
       addProjectConfiguration(host, options.e2eProjectName, {
         projectType: 'application',
@@ -48,6 +47,15 @@ export async function addE2e(host: Tree, options: NormalizedSchema) {
         implicitDependencies: [options.projectName],
       });
     }
+
+    if (!options.useProjectJson || options.isUsingTsSolutionConfig) {
+      writeJson(
+        host,
+        joinPathFragments(options.e2eProjectRoot, 'package.json'),
+        packageJson
+      );
+    }
+
     const e2eTask = await configurationGenerator(host, {
       ...options,
       project: options.e2eProjectName,
@@ -95,19 +103,17 @@ export async function addE2e(host: Tree, options: NormalizedSchema) {
     const { configurationGenerator } = ensurePackage<
       typeof import('@nx/playwright')
     >('@nx/playwright', nxVersion);
-    if (options.isUsingTsSolutionConfig) {
-      writeJson(
-        host,
-        joinPathFragments(options.e2eProjectRoot, 'package.json'),
-        {
+
+    const packageJson: PackageJson = {
       name: options.e2eProjectName,
       version: '0.0.1',
       private: true,
-          nx: {
+    };
+
+    if (!options.useProjectJson) {
+      packageJson.nx = {
         implicitDependencies: [options.projectName],
-          },
-        }
-      );
+      };
     } else {
       addProjectConfiguration(host, options.e2eProjectName, {
         projectType: 'application',
@@ -117,6 +123,15 @@ export async function addE2e(host: Tree, options: NormalizedSchema) {
         implicitDependencies: [options.projectName],
       });
     }
+
+    if (!options.useProjectJson || options.isUsingTsSolutionConfig) {
+      writeJson(
+        host,
+        joinPathFragments(options.e2eProjectRoot, 'package.json'),
+        packageJson
+      );
+    }
+
     const e2eTask = await configurationGenerator(host, {
       project: options.e2eProjectName,
       skipFormat: true,

packages/nuxt/src/generators/application/lib/normalize-options.ts

@@ -46,6 +46,7 @@ export async function normalizeOptions(
     parsedTags,
     style: options.style ?? 'none',
     isUsingTsSolutionConfig,
+    useProjectJson: options.useProjectJson ?? !isUsingTsSolutionConfig,
   } as NormalizedSchema;
 
   normalized.unitTestRunner ??= 'vitest';

packages/nuxt/src/generators/application/schema.d.ts

@@ -16,6 +16,7 @@ export interface Schema {
   style?: 'css' | 'scss' | 'less' | 'none';
   nxCloudToken?: string;
   useTsSolution?: boolean;
+  useProjectJson?: boolean;
 }
 
 export interface NormalizedSchema extends Omit<Schema, 'useTsSolution'> {

packages/nuxt/src/generators/application/schema.json

@@ -106,6 +106,10 @@
       "type": "boolean",
       "description": "Whether or not to configure the ESLint `parserOptions.project` option. We do not do this by default for lint performance reasons.",
       "default": false
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "required": ["directory"],

packages/react-native/src/generators/application/application.spec.ts

@@ -286,6 +286,7 @@ describe('app', () => {
         unitTestRunner: 'jest',
         bundler: 'vite',
         addPlugin: true,
+        useProjectJson: false,
       });
 
       expect(readJson(tree, 'tsconfig.json').references).toMatchInlineSnapshot(`
@@ -422,6 +423,7 @@ describe('app', () => {
         unitTestRunner: 'jest',
         bundler: 'vite',
         addPlugin: true,
+        useProjectJson: false,
       });
 
       const packageJson = readJson(tree, 'my-app/package.json');
@@ -437,5 +439,51 @@ describe('app', () => {
         ]
       `);
     });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      await reactNativeApplicationGenerator(tree, {
+        directory: 'my-app',
+        linter: Linter.EsLint,
+        e2eTestRunner: 'cypress',
+        install: false,
+        unitTestRunner: 'jest',
+        bundler: 'vite',
+        addPlugin: true,
+        useProjectJson: true,
+        skipFormat: true,
+      });
+
+      expect(tree.exists('my-app/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/my-app'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "name": "@proj/my-app",
+          "projectType": "application",
+          "root": "my-app",
+          "sourceRoot": "my-app/src",
+          "tags": [],
+          "targets": {},
+        }
+      `);
+      expect(readJson(tree, 'my-app/package.json').nx).toBeUndefined();
+      expect(tree.exists('my-app-e2e/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(tree, '@proj/my-app-e2e'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "implicitDependencies": [
+            "@proj/my-app",
+          ],
+          "name": "@proj/my-app-e2e",
+          "projectType": "application",
+          "root": "my-app-e2e",
+          "sourceRoot": "my-app-e2e/src",
+          "tags": [],
+          "targets": {},
+        }
+      `);
+      expect(readJson(tree, 'my-app-e2e/package.json').nx).toBeUndefined();
+    });
   });
 });

packages/react-native/src/generators/application/application.ts

@@ -37,6 +37,7 @@ export async function reactNativeApplicationGenerator(
 ): Promise<GeneratorCallback> {
   return await reactNativeApplicationGeneratorInternal(host, {
     addPlugin: false,
+    useProjectJson: true,
     ...schema,
   });
 }

packages/react-native/src/generators/application/lib/add-project.ts

@@ -8,7 +8,6 @@ import {
   writeJson,
 } from '@nx/devkit';
 import { NormalizedSchema } from './normalize-options';
-import { isUsingTsSolutionSetup } from '@nx/js/src/utils/typescript/ts-solution-setup';
 import type { PackageJson } from 'nx/src/utils/package-json';
 
 export function addProject(host: Tree, options: NormalizedSchema) {
@@ -27,13 +26,13 @@ export function addProject(host: Tree, options: NormalizedSchema) {
     tags: options.parsedTags,
   };
 
-  if (isUsingTsSolutionSetup(host)) {
   const packageJson: PackageJson = {
     name: options.importPath,
     version: '0.0.1',
     private: true,
   };
 
+  if (!options.useProjectJson) {
     if (options.projectName !== options.importPath) {
       packageJson.nx = { name: options.projectName };
     }
@@ -45,16 +44,18 @@ export function addProject(host: Tree, options: NormalizedSchema) {
       packageJson.nx ??= {};
       packageJson.nx.tags = options.parsedTags;
     }
+  } else {
+    addProjectConfiguration(host, options.projectName, {
+      ...project,
+    });
+  }
 
+  if (!options.useProjectJson || options.isTsSolutionSetup) {
     writeJson(
       host,
       joinPathFragments(options.appProjectRoot, 'package.json'),
       packageJson
     );
-  } else {
-    addProjectConfiguration(host, options.projectName, {
-      ...project,
-    });
   }
 }
 

packages/react-native/src/generators/application/lib/normalize-options.spec.ts

@@ -45,6 +45,7 @@ describe('Normalize Options', () => {
       e2eProjectName: 'my-app-e2e',
       e2eProjectRoot: 'my-app-e2e',
       isTsSolutionSetup: false,
+      useProjectJson: true,
     });
   });
 
@@ -82,6 +83,7 @@ describe('Normalize Options', () => {
       e2eProjectName: 'myApp-e2e',
       e2eProjectRoot: 'myApp-e2e',
       isTsSolutionSetup: false,
+      useProjectJson: true,
     });
   });
 
@@ -120,6 +122,7 @@ describe('Normalize Options', () => {
       e2eProjectName: 'my-app-e2e',
       e2eProjectRoot: 'directory/my-app-e2e',
       isTsSolutionSetup: false,
+      useProjectJson: true,
     });
   });
 
@@ -157,6 +160,7 @@ describe('Normalize Options', () => {
       e2eProjectName: 'my-app-e2e',
       e2eProjectRoot: 'directory/my-app-e2e',
       isTsSolutionSetup: false,
+      useProjectJson: true,
     });
   });
 
@@ -195,6 +199,7 @@ describe('Normalize Options', () => {
       e2eProjectName: 'my-app-e2e',
       e2eProjectRoot: 'my-app-e2e',
       isTsSolutionSetup: false,
+      useProjectJson: true,
     });
   });
 });

packages/react-native/src/generators/application/lib/normalize-options.ts

@@ -80,5 +80,6 @@ export async function normalizeOptions(
     e2eProjectName,
     e2eProjectRoot,
     isTsSolutionSetup,
+    useProjectJson: options.useProjectJson ?? !isTsSolutionSetup,
   };
 }

packages/react-native/src/generators/application/schema.d.ts

@@ -21,4 +21,5 @@ export interface Schema {
   nxCloudToken?: string;
   useTsSolution?: boolean;
   formatter?: 'prettier' | 'none';
+  useProjectJson?: boolean;
 }

packages/react-native/src/generators/application/schema.json

@@ -95,6 +95,10 @@
       "x-prompt": "Which bundler do you want to use to build the application?",
       "default": "vite",
       "x-priority": "important"
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "required": ["directory"]

packages/react-native/src/generators/library/lib/normalize-options.ts

@@ -55,6 +55,7 @@ export async function normalizeOptions(
     parsedTags,
     importPath,
     isUsingTsSolutionConfig,
+    useProjectJson: options.useProjectJson ?? !isUsingTsSolutionConfig,
   };
 
   return normalized;

packages/react-native/src/generators/library/library.spec.ts

@@ -471,6 +471,7 @@ describe('lib', () => {
     it('should add project references when using TS solution', async () => {
       await libraryGenerator(appTree, {
         ...defaultSchema,
+        useProjectJson: false,
       });
 
       expect(readJson(appTree, 'tsconfig.json').references)
@@ -481,8 +482,11 @@ describe('lib', () => {
           },
         ]
       `);
+      const packageJson = readJson(appTree, 'my-lib/package.json');
+      expect(packageJson.name).toBe('@proj/my-lib');
+      expect(packageJson.nx).toBeUndefined();
       // Make sure keys are in idiomatic order
-      expect(readJson(appTree, 'my-lib/package.json')).toMatchInlineSnapshot(`
+      expect(packageJson).toMatchInlineSnapshot(`
         {
           "exports": {
             ".": {
@@ -600,6 +604,7 @@ describe('lib', () => {
         ...defaultSchema,
         directory: 'my-lib',
         name: 'my-lib', // import path contains the npm scope, so it would be different
+        useProjectJson: false,
         skipFormat: true,
       });
 
@@ -613,6 +618,7 @@ describe('lib', () => {
         ...defaultSchema,
         directory: 'my-lib',
         name: '@proj/my-lib',
+        useProjectJson: false,
         skipFormat: true,
       });
 
@@ -623,10 +629,34 @@ describe('lib', () => {
       await libraryGenerator(appTree, {
         ...defaultSchema,
         directory: 'my-lib',
+        useProjectJson: false,
         skipFormat: true,
       });
 
       expect(readJson(appTree, 'my-lib/package.json').nx).toBeUndefined();
     });
+
+    it('should generate project.json if useProjectJson is true', async () => {
+      await libraryGenerator(appTree, {
+        ...defaultSchema,
+        useProjectJson: true,
+        skipFormat: true,
+      });
+
+      expect(appTree.exists('my-lib/project.json')).toBeTruthy();
+      expect(readProjectConfiguration(appTree, '@proj/my-lib'))
+        .toMatchInlineSnapshot(`
+        {
+          "$schema": "../node_modules/nx/schemas/project-schema.json",
+          "name": "@proj/my-lib",
+          "projectType": "library",
+          "root": "my-lib",
+          "sourceRoot": "my-lib/src",
+          "tags": [],
+          "targets": {},
+        }
+      `);
+      expect(readJson(appTree, 'my-lib/package.json').nx).toBeUndefined();
+    });
   });
 });

packages/react-native/src/generators/library/library.ts

@@ -33,11 +33,6 @@ import {
   updateTsconfigFiles,
 } from '@nx/js/src/utils/typescript/ts-solution-setup';
 import { sortPackageJsonFields } from '@nx/js/src/utils/package-json/sort-fields';
-import {
-  addReleaseConfigForNonTsSolution,
-  addReleaseConfigForTsSolution,
-  releaseTasks,
-} from '@nx/js/src/generators/library/utils/add-release-config';
 import { PackageJson } from 'nx/src/utils/package-json';
 import { addRollupBuildTarget } from '@nx/react/src/generators/library/lib/add-rollup-build-target';
 import { getRelativeCwd } from '@nx/devkit/src/generators/artifact-name-and-directory-utils';
@@ -50,6 +45,7 @@ export async function reactNativeLibraryGenerator(
 ): Promise<GeneratorCallback> {
   return await reactNativeLibraryGeneratorInternal(host, {
     addPlugin: false,
+    useProjectJson: true,
     ...schema,
   });
 }
@@ -180,10 +176,14 @@ async function addProject(
     targets: {},
   };
 
-  if (options.isUsingTsSolutionConfig) {
-    const packageJson: PackageJson = {
+  let packageJson: PackageJson = {
     name: options.importPath,
     version: '0.0.1',
+  };
+
+  if (!options.useProjectJson) {
+    packageJson = {
+      ...packageJson,
       ...determineEntryFields(options),
       files: options.publishable ? ['dist', '!**/*.tsbuildinfo'] : undefined,
       peerDependencies: {
@@ -191,7 +191,6 @@ async function addProject(
         'react-native': reactNativeVersion,
       },
     };
-
     if (options.name !== options.importPath) {
       packageJson.nx = { name: options.name };
     }
@@ -199,14 +198,21 @@ async function addProject(
       packageJson.nx ??= {};
       packageJson.nx.tags = options.parsedTags;
     }
+  } else {
+    addProjectConfiguration(host, options.name, project);
+  }
 
+  if (
+    !options.useProjectJson ||
+    options.isUsingTsSolutionConfig ||
+    options.publishable ||
+    options.buildable
+  ) {
     writeJson(
       host,
       joinPathFragments(options.projectRoot, 'package.json'),
       packageJson
     );
-  } else {
-    addProjectConfiguration(host, options.name, project);
   }
 
   if (options.publishable || options.buildable) {

packages/react-native/src/generators/library/schema.d.ts

@@ -19,4 +19,5 @@ export interface Schema {
   setParserOptionsProject?: boolean;
   skipPackageJson?: boolean; //default is false
   addPlugin?: boolean;
+  useProjectJson?: boolean;
 }

packages/react-native/src/generators/library/schema.json

@@ -93,6 +93,10 @@
       "type": "boolean",
       "default": false,
       "x-priority": "internal"
+    },
+    "useProjectJson": {
+      "type": "boolean",
+      "description": "Use a `project.json` configuration file instead of inlining the Nx configuration in the `package.json` file."
     }
   },
   "required": ["directory"]