From 0e35bca1609fba9dbd8411ab110316c9bb8cc57f Mon Sep 17 00:00:00 2001
From: Andrew Berry <andrewb@users.noreply.github.com>
Date: Thu, 17 Jan 2019 17:27:57 -0500
Subject: [PATCH] fix: Fix undefined function if apiNotReady (#6)

Fix undefined function if apiNotReady. Cribbed from
https://github.com/ticketmaster/react-gpt/commit/5ef19b1b394ced358a555f7844885e056f71bc16.
---
 src/Bling.js | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/Bling.js b/src/Bling.js
index b4edea0..4254ebb 100644
--- a/src/Bling.js
+++ b/src/Bling.js
@@ -553,13 +553,15 @@ class Bling extends Component {
 
     defineSizeMapping(adSlot, sizeMapping) {
         if (sizeMapping) {
-            Bling._adManager.addMQListener(this, this.props);
-            const sizeMappingArray = sizeMapping
-                .reduce((mapping, size) => {
-                    return mapping.addSize(size.viewport, size.slot);
-                }, Bling._adManager.googletag.sizeMapping())
-                .build();
-            adSlot.defineSizeMapping(sizeMappingArray);
+            Bling._adManager.googletag.cmd.push(() => {
+                Bling._adManager.addMQListener(this, this.props);
+                const sizeMappingArray = sizeMapping
+                    .reduce((mapping, size) => {
+                        return mapping.addSize(size.viewport, size.slot);
+                    }, Bling._adManager.googletag.sizeMapping())
+                    .build();
+                adSlot.defineSizeMapping(sizeMappingArray);
+            });
         }
     }