From e12f59f87d6d39f1a1ed5969471f4c1e6e386505 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Sun, 19 Jul 2020 12:26:57 -0400
Subject: Force targetTabId to be null if not a number (#678)

---
 ext/mixed/js/comm.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ext/mixed/js/comm.js b/ext/mixed/js/comm.js
index 1264a33e..27cb0c34 100644
--- a/ext/mixed/js/comm.js
+++ b/ext/mixed/js/comm.js
@@ -221,6 +221,7 @@ class CrossFrameAPI {
     }
 
     async invokeTab(targetTabId, targetFrameId, action, params={}) {
+        if (typeof targetTabId !== 'number') { targetTabId = null; }
         const commPort = this._getOrCreateCommPort(targetTabId, targetFrameId);
         return await commPort.invoke(action, params, this._ackTimeout, this._responseTimeout);
     }
-- 
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