From 6c1b2ddd786972af5b373d5c013b0f674f3870d3 Mon Sep 17 00:00:00 2001
From: Thibaut Sardan <33178835+Tbaut@users.noreply.github.com>
Date: Fri, 4 Sep 2020 16:44:47 +0200
Subject: [PATCH] Throw error for undefined name in web3Enable (#430)

* throw error for undefined name

* lint
---
 packages/extension-dapp/src/index.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/extension-dapp/src/index.ts b/packages/extension-dapp/src/index.ts
index eb779eb4..26b68895 100644
--- a/packages/extension-dapp/src/index.ts
+++ b/packages/extension-dapp/src/index.ts
@@ -40,6 +40,10 @@ export { isWeb3Injected, web3EnablePromise };
 
 // enables all the providers found on the injected window interface
 export function web3Enable (originName: string): Promise<InjectedExtension[]> {
+  if (!originName) {
+    throw new Error('You must pass a name for your app to the web3Enable function');
+  }
+
   web3EnablePromise = documentReadyPromise((): Promise<InjectedExtension[]> =>
     Promise
       .all(