Add fix from Vincent M initial draft

Author: bendvc

packages/pwa-kit-create-app/scripts/create-mobify-app.js

@@ -1009,35 +1009,40 @@ const runGenerator = async (
         npmInstall(outputDir, {verbose, projectName: context.answers.project.name})
     }
 
-    const extensionsWithDefaultConfig = selectedAppExtensions.map((extension) => {
-        // Since we've just installed the dependencies, we can read the default config of each extension
-        const pathToDefaultConfig = p.join(
-            outputDir,
-            'node_modules',
-            extension,
-            'config',
-            'default.json'
-        )
-        if (!fs.existsSync(pathToDefaultConfig)) {
-            console.warn(
-                `The extension ${extension} does not have a default config. Will generate a minimal default config for it.`
+    if (selectedAppExtensions.length > 0) {
+        const extensionsWithDefaultConfig = selectedAppExtensions.map((extension) => {
+            // Since we've just installed the dependencies, we can read the default config of each extension
+            const pathToDefaultConfig = p.join(
+                outputDir,
+                'node_modules',
+                extension,
+                'config',
+                'default.json'
             )
-            // Return a minimal default config. It should match what's defined in: https://github.com/SalesforceCommerceCloud/pwa-kit/blob/310e946bed12fd4cbb42a209ee6982e9b1bb9b99/packages/pwa-kit-extension-sdk/src/shared/utils/helpers.ts#L13-L15
-            return [extension, {enabled: true}]
-        }
+            if (!fs.existsSync(pathToDefaultConfig)) {
+                console.warn(
+                    `The extension ${extension} does not have a default config. Will generate a minimal default config for it.`
+                )
+                // Return a minimal default config. It should match what's defined in: https://github.com/SalesforceCommerceCloud/pwa-kit/blob/310e946bed12fd4cbb42a209ee6982e9b1bb9b99/packages/pwa-kit-extension-sdk/src/shared/utils/helpers.ts#L13-L15
+                return [extension, {enabled: true}]
+            }
 
-        const defaultConfig = readJson(pathToDefaultConfig)
-        return [extension, defaultConfig]
-    })
-    updatePackageJson(p.resolve(outputDir, 'package.json'), {
-        ...(selectedAppExtensions.length > 0 && {
+            const defaultConfig = readJson(pathToDefaultConfig)
+            return [extension, defaultConfig]
+        })
+
+        updatePackageJson(p.resolve(outputDir, 'package.json'), {
             mobify: {
                 app: {
                     extensions: extensionsWithDefaultConfig
                 }
             }
         })
-    })
+
+        console.log(
+            'After your project is generated, please review `mobify.app.extensions` in package.json to check the configuration of the extensions and fill out any placeholder values.'
+        )
+    }
 }
 
 const foundNode = process.versions.node