From a39352703b7183e5fd269df0e8887d52ce4bfc9d Mon Sep 17 00:00:00 2001
From: Nathan Kunicki <nathank@mediamolecule.com>
Date: Thu, 2 Aug 2018 15:22:10 +0100
Subject: [PATCH] Better port checking

---
 hub.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hub.ts b/hub.ts
index fcd37c8..46b338a 100644
--- a/hub.ts
+++ b/hub.ts
@@ -311,8 +311,8 @@ export class Hub extends EventEmitter {
 
 
     protected _portLookup (port: string) {
-        if (!this._ports[port]) {
-            throw new Error(`Port ${port} does not exist on this Hub type`);
+        if (!this._ports[port.toUpperCase()]) {
+            throw new Error(`Port ${port.toUpperCase()} does not exist on this Hub type`);
         }
         return this._ports[port];
     }