Merge pull request #2752 from SalesforceCommerceCloud/t/commerce/W-18979555/updatingReadMeFile

@W-18979555 - Updated CreateAppGuidelines tool to handle the truncating of JSON

Author: snilakandan13

packages/pwa-storefront-mcp/src/utils/pwa-create-app-guideline-tool.js

@@ -4,18 +4,17 @@
  * SPDX-License-Identifier: BSD-3-Clause
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
  */
+import os from 'os'
 import path from 'path'
+import {exec} from 'child_process'
+import fs from 'fs/promises'
 
 // Project dependencies
-import {EmptyJsonSchema, isMonoRepo, runCommand} from './utils'
-
-// const CREATE_APP_VERSION = 'latest'
-const CREATE_APP_VERSION = '3.11.0-nightly-20250630080227'
-const CREATE_APP_COMMAND = isMonoRepo()
-    ? path.resolve(
-          `${process.env.WORKSPACE_FOLDER_PATHS}/packages/pwa-kit-create-app/scripts/create-mobify-app.js`
-      )
-    : `@salesforce/pwa-kit-create-app@${CREATE_APP_VERSION}`
+import {EmptyJsonSchema, runNpxCommand} from './utils'
+
+//const CREATE_APP_VERSION = 'latest'
+//const CREATE_APP_VERSION = '3.11.0-nightly-20250630080227'
+const CREATE_APP_COMMAND = '@salesforce/pwa-kit-create-app@3.11.0-nightly-20250630080227'
 const DISPLAY_PROGRAM_COMMAND = '--displayProgram'
 const NPX_COMMAND = 'npx'
 
@@ -76,10 +75,11 @@ export default {
 
         // Run the display program and get the output.
         try {
-            programOutput = await runCommand(NPX_COMMAND, [
+            programOutput = await runNpxCommand(
+                NPX_COMMAND,
                 CREATE_APP_COMMAND,
                 DISPLAY_PROGRAM_COMMAND
-            ])
+            )
         } catch (err) {
             console.error('Failed to run display program:', err)
         }

packages/pwa-storefront-mcp/src/utils/utils.js

@@ -9,6 +9,8 @@ import path from 'path'
 import {spawn} from 'cross-spawn'
 import {zodToJsonSchema} from 'zod-to-json-schema'
 import {z} from 'zod'
+import os from 'os'
+import {exec} from 'child_process'
 
 // Private schema used to generate the JSON schema
 const emptySchema = z.object({}).strict()
@@ -83,3 +85,29 @@ export function isMonoRepo() {
     const lernaPath = path.resolve(__dirname, '../../../..', 'lerna.json')
     return fs.existsSync(lernaPath)
 }
+
+/**
+ * Runs an NPX command and captures its output.
+ *
+ * @returns {Promise<string>} - Resolves with the command output.
+ */
+export async function runNpxCommand(NPX_COMMAND, CREATE_APP_COMMAND, DISPLAY_PROGRAM_COMMAND) {
+    return new Promise((resolve, reject) => {
+        const tempDir = os.tmpdir()
+        const outputFilePath = path.join(tempDir, 'npx-output.json')
+        const errorFilePath = path.join(tempDir, 'npx-error.log')
+        const command = `${NPX_COMMAND} ${CREATE_APP_COMMAND} ${DISPLAY_PROGRAM_COMMAND} > ${outputFilePath} 2> ${errorFilePath}`
+
+        exec(command, (error) => {
+            if (error) {
+                reject(error)
+                return
+            }
+
+            fs.promises
+                .readFile(outputFilePath, 'utf-8')
+                .then((data) => resolve(data))
+                .catch((err) => reject(err))
+        })
+    })
+}