fix(core): fix no plugins found for nx init without packge.json (#22434)

packages/nx/src/command-line/add/add.ts

@@ -63,7 +63,7 @@ async function installPackage(pkgName: string, version: string): Promise<void> {
     writeJsonFile('nx.json', nxJson);
 
     try {
-      await runNxAsync('--help');
+      await runNxAsync('--help', { silent: true });
     } catch (e) {
       // revert adding the plugin to nx.json
       nxJson.installation.plugins[pkgName] = undefined;

packages/nx/src/command-line/init/init-v2.ts

@@ -72,9 +72,9 @@ export async function initHandler(options: InitArgs): Promise<void> {
 
   output.log({ title: '🧐 Checking dependencies' });
 
-  const detectPluginsResponse = await detectPlugins();
+  const { plugins, updatePackageScripts } = await detectPlugins();
 
-  if (!detectPluginsResponse?.plugins.length) {
+  if (!plugins.length) {
     // If no plugins are detected/chosen, guide users to setup
     // their targetDefaults correctly so their package scripts will work.
     const packageJson: PackageJson = readJsonFile('package.json');
@@ -96,19 +96,17 @@ export async function initHandler(options: InitArgs): Promise<void> {
     createNxJsonFile(repoRoot, [], [], {});
     updateGitIgnore(repoRoot);
 
-    addDepsToPackageJson(repoRoot, detectPluginsResponse.plugins);
+    addDepsToPackageJson(repoRoot, plugins);
 
     output.log({ title: '📦 Installing Nx' });
 
     runInstall(repoRoot, pmc);
 
     output.log({ title: '🔨 Configuring plugins' });
-    for (const plugin of detectPluginsResponse.plugins) {
+    for (const plugin of plugins) {
       execSync(
         `${pmc.exec} nx g ${plugin}:init --keepExistingVersions ${
-          detectPluginsResponse.updatePackageScripts
-            ? '--updatePackageScripts'
-            : ''
+          updatePackageScripts ? '--updatePackageScripts' : ''
         } --no-interactive`,
         {
           stdio: [0, 1, 2],
@@ -117,7 +115,7 @@ export async function initHandler(options: InitArgs): Promise<void> {
       );
     }
 
-    if (!detectPluginsResponse.updatePackageScripts) {
+    if (!updatePackageScripts) {
       const rootPackageJsonPath = join(repoRoot, 'package.json');
       const json = readJsonFile<PackageJson>(rootPackageJsonPath);
       json.nx = { includedScripts: [] };
@@ -167,9 +165,10 @@ const npmPackageToPluginMap: Record<string, string> = {
   '@remix-run/dev': '@nx/remix',
 };
 
-async function detectPlugins(): Promise<
-  undefined | { plugins: string[]; updatePackageScripts: boolean }
-> {
+async function detectPlugins(): Promise<{
+  plugins: string[];
+  updatePackageScripts: boolean;
+}> {
   let files = ['package.json'].concat(
     globWithWorkspaceContext(process.cwd(), ['**/*/package.json'])
   );
@@ -203,7 +202,12 @@ async function detectPlugins(): Promise<
 
   const plugins = Array.from(detectedPlugins);
 
-  if (plugins.length === 0) return undefined;
+  if (plugins.length === 0) {
+    return {
+      plugins: [],
+      updatePackageScripts: false,
+    };
+  }
 
   output.log({
     title: `Recommended Plugins:`,
@@ -222,7 +226,11 @@ async function detectPlugins(): Promise<
     },
   ]).then((r) => r.plugins);
 
-  if (pluginsToInstall?.length === 0) return undefined;
+  if (pluginsToInstall?.length === 0)
+    return {
+      plugins: [],
+      updatePackageScripts: false,
+    };
 
   const updatePackageScripts =
     existsSync('package.json') &&