From 78066cddfd7b843f81cb64a84ad63b367a032663 Mon Sep 17 00:00:00 2001
From: viktorstrate <viktorstrate@gmail.com>
Date: Fri, 26 Feb 2021 15:20:24 +0100
Subject: [PATCH] UI Building: only add environment variable if it's defined

---
 ui/build.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ui/build.js b/ui/build.js
index 399a07ce..038a4404 100644
--- a/ui/build.js
+++ b/ui/build.js
@@ -11,7 +11,9 @@ const watchMode = process.argv[2] == 'watch'
 const ENVIRONMENT_VARIABLES = ['NODE_ENV', 'PHOTOVIEW_API_ENDPOINT']
 
 const defineEnv = ENVIRONMENT_VARIABLES.reduce((acc, key) => {
-  acc[`process.env.${key}`] = `"${process.env[key]}"`
+  if (process.env[key]) {
+    acc[`process.env.${key}`] = `"${process.env[key]}"`
+  }
   return acc
 }, {})