From 7c7b01664315f8f3336a6296d4db363f6ecbaa83 Mon Sep 17 00:00:00 2001
From: Karishma Chadha <kchadha@scratch.mit.edu>
Date: Wed, 28 Feb 2018 11:52:22 -0500
Subject: [PATCH] scratch-parser expects json string...

---
 src/virtual-machine.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/virtual-machine.js b/src/virtual-machine.js
index 4734623c6..2dbfe5d46 100644
--- a/src/virtual-machine.js
+++ b/src/virtual-machine.js
@@ -245,7 +245,9 @@ class VirtualMachine extends EventEmitter {
             deserializer = sb3;
             validatedProject = possibleSb3;
         } else {
-            validate(json, (err, project) => {
+            // scratch-parser expects a json string or a buffer
+            const possibleSb2 = typeof json === 'object' ? JSON.stringify(json) : json;
+            validate(possibleSb2, (err, project) => {
                 if (err) {
                     const errorMessage =
                         `The given project could not be validated, parsing failed with error: ${JSON.stringify(err)}`;