fix(react): Error when invalid path is provided to federate-module ge…

…nerator (#19720)

docs/generated/packages/react/generators/federate-module.json

@@ -25,7 +25,7 @@
       },
       "path": {
         "type": "string",
-        "description": "The path to locate the federated module.",
+        "description": "The path to locate the federated module. This path should be relative to the workspace root and the file should exist.",
         "x-prompt": "What is the path to the module to be federated?"
       },
       "remote": {

packages/angular/src/generators/federate-module/federate-module.ts

@@ -15,7 +15,7 @@ import {
 
 export async function federateModuleGenerator(tree: Tree, schema: Schema) {
   if (!tree.exists(schema.path)) {
-    throw new Error(stripIndents`The "path" provided does not exist. Please verify the path is correct and pointing to a file that exists in the workspace.
+    throw new Error(stripIndents`The "path" provided  does not exist. Please verify the path is correct and pointing to a file that exists in the workspace.
     
     Path: ${schema.path}`);
   }

packages/react/src/generators/federate-module/federate-module.spec.ts

@@ -17,6 +17,7 @@ describe('federate-module', () => {
 
   beforeAll(() => {
     tree = createTreeWithEmptyWorkspace();
+    tree.write('my-remote/src/my-federated-module.ts', ''); // Ensure that the file exists
   });
   describe('no remote', () => {
     it('should generate a remote and e2e', async () => {
@@ -46,6 +47,17 @@ describe('federate-module', () => {
         tsconfig.compilerOptions.paths['my-remote/my-federated-module']
       ).toEqual(['my-remote/src/my-federated-module.ts']);
     });
+
+    it('should error when invalid path is provided', async () => {
+      await federateModuleGenerator(tree, {
+        ...schema,
+        path: 'invalid/path',
+      }).catch((e) => {
+        expect(e.message).toContain(
+          'The "path" provided  does not exist. Please verify the path is correct and pointing to a file that exists in the workspace.'
+        );
+      });
+    });
   });
 
   describe('with remote', () => {

packages/react/src/generators/federate-module/federate-module.ts

@@ -5,6 +5,7 @@ import {
   logger,
   readJson,
   runTasksInSerial,
+  stripIndents,
 } from '@nx/devkit';
 import { Schema } from './schema';
 
@@ -14,6 +15,12 @@ import { determineProjectNameAndRootOptions } from '@nx/devkit/src/generators/pr
 import { addTsConfigPath, getRootTsConfigPathInTree } from '@nx/js';
 
 export async function federateModuleGenerator(tree: Tree, schema: Schema) {
+  // Check if the file exists
+  if (!tree.exists(schema.path)) {
+    throw new Error(stripIndents`The "path" provided  does not exist. Please verify the path is correct and pointing to a file that exists in the workspace.
+    
+    Path: ${schema.path}`);
+  }
   const tasks: GeneratorCallback[] = [];
   // Check remote exists
   const remote = checkRemoteExists(tree, schema.remote);

packages/react/src/generators/federate-module/schema.json

@@ -25,7 +25,7 @@
     },
     "path": {
       "type": "string",
-      "description": "The path to locate the federated module.",
+      "description": "The path to locate the federated module. This path should be relative to the workspace root and the file should exist.",
       "x-prompt": "What is the path to the module to be federated?"
     },
     "remote": {