From 8a014cdfb3f33a7b49a68205e72c609c9ff3bb62 Mon Sep 17 00:00:00 2001
From: Tim Yung <yungsters@fb.com>
Date: Wed, 5 Jun 2019 17:30:04 -0700
Subject: [PATCH] TurboModules: Improve Error Message

Summary: More verbose but descriptive error message when `TurboModule.getEnforcing` fails to find a native module.

Reviewed By: cpojer, gaearon

Differential Revision: D15619293

fbshipit-source-id: 0e8af4986d6ce9002966bb062766218ce9f89a13
---
 Libraries/TurboModule/TurboModuleRegistry.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Libraries/TurboModule/TurboModuleRegistry.js b/Libraries/TurboModule/TurboModuleRegistry.js
index fcec0d8ada5..d0e0cd0176c 100644
--- a/Libraries/TurboModule/TurboModuleRegistry.js
+++ b/Libraries/TurboModule/TurboModuleRegistry.js
@@ -33,6 +33,10 @@ export function get<T: TurboModule>(name: string): ?T {
 
 export function getEnforcing<T: TurboModule>(name: string): T {
   const module = get(name);
-  invariant(module != null, `${name} is not available in this app.`);
+  invariant(
+    module != null,
+    `TurboModuleRegistry.getEnforcing(...): '${name}' could not be found. ` +
+      'Verify that a module by this name is registered in the native binary.',
+  );
   return module;
 }