From 09dc17ca6a24fbbf30729424775cc82610df43df Mon Sep 17 00:00:00 2001
From: Andrew Kingston <aptkingston@ssl-mail.com>
Date: Mon, 6 Dec 2021 18:00:19 +0000
Subject: [PATCH] Add console error to builder when iframe preview receives
 invalid JSON to aid in debugging some cases of endless loading apps

---
 .../builder/src/components/design/AppPreview/iframeTemplate.js   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/builder/src/components/design/AppPreview/iframeTemplate.js b/packages/builder/src/components/design/AppPreview/iframeTemplate.js
index e8c563db9f..15321c5eff 100644
--- a/packages/builder/src/components/design/AppPreview/iframeTemplate.js
+++ b/packages/builder/src/components/design/AppPreview/iframeTemplate.js
@@ -49,6 +49,7 @@ export default `
         try {
           parsed = JSON.parse(event.data)
         } catch (error) {
+          console.error("Client received invalid JSON")
           // Ignore
         }
         if (!parsed) {