From 16ee48b1ad98efdb89fefcc3791d065d20cf203f Mon Sep 17 00:00:00 2001
From: Michael Vines <mvines@gmail.com>
Date: Thu, 23 Aug 2018 19:47:00 -0700
Subject: [PATCH] Throw if endpoind is not provided

---
 web3.js/src/connection.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/web3.js/src/connection.js b/web3.js/src/connection.js
index 1f046314d3..369de05002 100644
--- a/web3.js/src/connection.js
+++ b/web3.js/src/connection.js
@@ -105,6 +105,9 @@ export class Connection {
   _rpcRequest: RpcRequest;
 
   constructor(endpoint: string) {
+    if (typeof endpoint !== 'string') {
+      throw new Error('Connection endpoint not specified');
+    }
     this._rpcRequest = createRpcRequest(endpoint);
   }