fix(misc): nx version should report global version outside of an nx repo (#16918)

e2e/nx-misc/src/misc.test.ts

@@ -1,6 +1,7 @@
 import type { NxJsonConfiguration } from '@nx/devkit';
 import {
   cleanupProject,
+  createNonNxProjectDirectory,
   e2eCwd,
   getPackageManagerCommand,
   getPublishedVersion,
@@ -588,8 +589,6 @@ describe('global installation', () => {
   let oldPath: string;
 
   beforeAll(() => {
-    newProject();
-
     ensureDirSync(globalsPath);
     writeFileSync(
       path.join(path.dirname(path.dirname(globalsPath)), 'package.json'),
@@ -618,6 +617,11 @@ describe('global installation', () => {
     process.env.PATH = oldPath;
   });
 
+  describe('inside nx directory', () => {
+    beforeAll(() => {
+      newProject();
+    });
+
     it('should invoke Nx commands from local repo', () => {
       const nxJsContents = readFile('node_modules/nx/bin/nx.js');
       updateFile('node_modules/nx/bin/nx.js', `console.log('local install');`);
@@ -680,4 +684,28 @@ describe('global installation', () => {
       );
       updateFile('node_modules/nx/package.json', packageJsonContents);
     });
+  });
+
+  describe('non-nx directory', () => {
+    beforeAll(() => {
+      createNonNxProjectDirectory();
+    });
+
+    it('--version should report global version and local not found', () => {
+      let output: string;
+      expect(() => {
+        output = runCommand(`nx --version`);
+      }).not.toThrow();
+      expect(output).toContain(`- Local: Not found`);
+      expect(output).toContain(`- Global: v${getPublishedVersion()}`);
+    });
+
+    it('graph should work in npm workspaces repo', () => {
+      expect(() => {
+        runCommand(`nx graph --file graph.json`);
+      }).not.toThrow();
+      const { graph } = readJson('graph.json');
+      expect(graph).toHaveProperty('nodes');
+    });
+  });
 });

packages/nx/bin/nx.ts

@@ -35,47 +35,27 @@ function main() {
     if (!(Symbol as any).observable)
       (Symbol as any).observable = Symbol('observable polyfill');
 
-    if (!workspace) {
-      output.log({
-        title: `The current directory isn't part of an Nx workspace.`,
-        bodyLines: [
-          `To create a workspace run:`,
-          chalk.bold.white(`npx create-nx-workspace@latest <workspace name>`),
-          '',
-          `To add Nx to an existing workspace with a workspace-specific nx.json, run:`,
-          chalk.bold.white(`npx nx@latest init`),
-        ],
-      });
-
-      output.note({
-        title: `For more information please visit https://nx.dev/`,
-      });
-      process.exit(1);
-    }
-
     // Make sure that a local copy of Nx exists in workspace
     let localNx: string;
     try {
-      localNx = resolveNx(workspace);
+      localNx = workspace && resolveNx(workspace);
     } catch {
       localNx = null;
     }
 
     const isLocalInstall = localNx === resolveNx(null);
-    const LOCAL_NX_VERSION: string | null = localNx
-      ? getLocalNxVersion(workspace)
-      : null;
-    const GLOBAL_NX_VERSION: string | null = isLocalInstall
-      ? null
-      : require('../package.json').version;
-
-    globalThis.GLOBAL_NX_VERSION ??= GLOBAL_NX_VERSION;
+    const { LOCAL_NX_VERSION, GLOBAL_NX_VERSION } = determineNxVersions(
+      localNx,
+      workspace,
+      isLocalInstall
+    );
 
     if (process.argv[2] === '--version') {
-      console.log(stripIndents`Nx Version:
-      - Local: ${LOCAL_NX_VERSION ? 'v' + LOCAL_NX_VERSION : 'Not found'}
-      - Global: ${GLOBAL_NX_VERSION ? 'v' + GLOBAL_NX_VERSION : 'Not found'}`);
-      process.exit(0);
+      handleNxVersionCommand(LOCAL_NX_VERSION, GLOBAL_NX_VERSION);
+    }
+
+    if (!workspace) {
+      handleNoWorkspace();
     }
 
     if (!localNx) {
@@ -98,6 +78,50 @@ function main() {
   }
 }
 
+function handleNoWorkspace() {
+  output.log({
+    title: `The current directory isn't part of an Nx workspace.`,
+    bodyLines: [
+      `To create a workspace run:`,
+      chalk.bold.white(`npx create-nx-workspace@latest <workspace name>`),
+      '',
+      `To add Nx to an existing workspace with a workspace-specific nx.json, run:`,
+      chalk.bold.white(`npx nx@latest init`),
+    ],
+  });
+
+  output.note({
+    title: `For more information please visit https://nx.dev/`,
+  });
+  process.exit(1);
+}
+
+function handleNxVersionCommand(
+  LOCAL_NX_VERSION: string,
+  GLOBAL_NX_VERSION: string
+) {
+  console.log(stripIndents`Nx Version:
+      - Local: ${LOCAL_NX_VERSION ? 'v' + LOCAL_NX_VERSION : 'Not found'}
+      - Global: ${GLOBAL_NX_VERSION ? 'v' + GLOBAL_NX_VERSION : 'Not found'}`);
+  process.exit(0);
+}
+
+function determineNxVersions(
+  localNx: string,
+  workspace: WorkspaceTypeAndRoot,
+  isLocalInstall: boolean
+) {
+  const LOCAL_NX_VERSION: string | null = localNx
+    ? getLocalNxVersion(workspace)
+    : null;
+  const GLOBAL_NX_VERSION: string | null = isLocalInstall
+    ? null
+    : require('../package.json').version;
+
+  globalThis.GLOBAL_NX_VERSION ??= GLOBAL_NX_VERSION;
+  return { LOCAL_NX_VERSION, GLOBAL_NX_VERSION };
+}
+
 function resolveNx(workspace: WorkspaceTypeAndRoot | null) {
   // prefer Nx installed in .nx/installation
   try {
@@ -167,9 +191,6 @@ function warnIfUsingOutdatedGlobalInstall(
 }
 
 function getLocalNxVersion(workspace: WorkspaceTypeAndRoot): string | null {
-  // TODO(v17): Remove @nrwl/cli from this list
-  const localNxPackages = ['nx', '@nrwl/tao', '@nrwl/cli'];
-  for (const pkg of localNxPackages) {
   try {
     const { packageJson } = readModulePackageJson(
       'nx',
@@ -177,7 +198,6 @@ function getLocalNxVersion(workspace: WorkspaceTypeAndRoot): string | null {
     );
     return packageJson.version;
   } catch {}
-  }
 }
 
 function _getLatestVersionOfNx(): string {

packages/nx/src/utils/package-json.ts

@@ -6,7 +6,6 @@ import {
 } from '../config/workspace-json-project-json';
 import { readJsonFile } from './fileutils';
 import { getNxRequirePaths } from './installation-directory';
-import { workspaceRoot } from './workspace-root';
 
 export type PackageJsonTargetConfiguration = Omit<
   TargetConfiguration,