From 9a7e4b4902ffc733faa0facf86e9ceacd9f3f6a9 Mon Sep 17 00:00:00 2001
From: leeight <leeight@gmail.com>
Date: Wed, 5 Oct 2016 04:34:21 -0700
Subject: [PATCH] Dump invalid json when call Value::fromJSON failed

Summary:
See #9117
Closes https://github.com/facebook/react-native/pull/10231

Differential Revision: D3974063

Pulled By: javache

fbshipit-source-id: 63d3ae02ae731cd5a63fcb3a645c612c57cbb8b4
---
 ReactCommon/cxxreact/Value.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ReactCommon/cxxreact/Value.cpp b/ReactCommon/cxxreact/Value.cpp
index 6dc57e1c2..cc22bbb81 100644
--- a/ReactCommon/cxxreact/Value.cpp
+++ b/ReactCommon/cxxreact/Value.cpp
@@ -53,7 +53,7 @@ std::string Value::toJSONString(unsigned indent) const {
 Value Value::fromJSON(JSContextRef ctx, const String& json) {
   auto result = JSValueMakeFromJSONString(ctx, json);
   if (!result) {
-    throwJSExecutionException("Failed to create String from JSON");
+    throwJSExecutionException("Failed to create String from JSON: %s", json.str().c_str());
   }
   return Value(ctx, result);
 }