From cd92e230073756330d7ca2e616c0f48ee09fe7c0 Mon Sep 17 00:00:00 2001
From: udanpe <udanpe@gmail.com>
Date: Sat, 29 Sep 2018 02:55:45 +0300
Subject: [PATCH] Update iframe.js (#2443)

* Update iframe.js

Wappalyzer not work with Firebase
Chrome 68
MacOs 10.13
Uncaught TypeError: Cannot read property 'postMessageId' of null at onPostMessage (iframe.js:1000)

* Update iframe.js

* Update iframe.js
---
 src/drivers/webextension/js/lib/iframe.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/drivers/webextension/js/lib/iframe.js b/src/drivers/webextension/js/lib/iframe.js
index 01c9cf304..8a1b322fe 100644
--- a/src/drivers/webextension/js/lib/iframe.js
+++ b/src/drivers/webextension/js/lib/iframe.js
@@ -997,6 +997,8 @@
         return;
       }
 
+      if (!adData) return;
+      
       if (adData.postMessageId === POST_MSG_ID) {
         delete adData.postMessageId;