From d7865ebde879983b355d6f6e64232e4bd264081d Mon Sep 17 00:00:00 2001
From: Mehdi Mulani <mehdi@fb.com>
Date: Fri, 9 Nov 2018 11:22:38 -0800
Subject: [PATCH] Add another guard to lazilyLoadView

Summary:
it's possible that moduleForName won't return anything, so we should return.

Created from Diffusion's 'Open in Editor' feature.

Reviewed By: spredolac

Differential Revision: D12963342

fbshipit-source-id: c059595a68bfcaa38221e05fb62d70cc29887ca7
---
 React/Modules/RCTUIManager.m | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/React/Modules/RCTUIManager.m b/React/Modules/RCTUIManager.m
index 468ccf578..0760c7e57 100644
--- a/React/Modules/RCTUIManager.m
+++ b/React/Modules/RCTUIManager.m
@@ -1530,6 +1530,10 @@ RCT_EXPORT_BLOCKING_SYNCHRONOUS_METHOD(lazilyLoadView:(NSString *)name)
     // which had RCT Prefixes stripped. Lets check one more time...
     module = [self.bridge moduleForName:RCTDropReactPrefixes(moduleName)];
   }
+  
+  if (!module) {
+    return @{};
+  }
 
   RCTComponentData *componentData = [[RCTComponentData alloc] initWithManagerClass:[module class] bridge:self.bridge];
   _componentDataByName[componentData.name] = componentData;