From 0288b7687b4f2468468bde4d2a3135658b576b78 Mon Sep 17 00:00:00 2001
From: LifeStreet <mobile.development@lifestreet.com>
Date: Tue, 28 Mar 2017 02:15:19 +0200
Subject: [PATCH] Lifestreet adapter: ignore unnecessary events from creative.
 (#1054)

* Ignore unnecessary events.

* Fixed warning.
---
 src/adapters/lifestreet.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/adapters/lifestreet.js b/src/adapters/lifestreet.js
index eceecb54608..a28b2da7e0c 100644
--- a/src/adapters/lifestreet.js
+++ b/src/adapters/lifestreet.js
@@ -92,12 +92,14 @@ const LifestreetAdapter = function LifestreetAdapter() {
           } catch (e) {
             return;
           }
-          if (object.message && object.message === PREBID_REQUEST_MESSAGE && object.slotName) {
+          if (object.message && object.message === PREBID_REQUEST_MESSAGE && object.slotName &&
+              window.$$PREBID_GLOBAL$$[object.slotName]) {
             ev.source.postMessage(JSON.stringify({
               message: PREBID_RESPONSE_MESSAGE,
               slotObject: window.$$PREBID_GLOBAL$$[object.slotName]
             }), '*');
             window.$$PREBID_GLOBAL$$[object.slotName].destroy();
+            window.$$PREBID_GLOBAL$$[object.slotName] = null;
           }
         }, false);
       } else {