From fbaf7517aad830b9a35895c2d294789237b086e5 Mon Sep 17 00:00:00 2001
From: Scott Lamb <slamb@slamb.org>
Date: Thu, 4 Mar 2021 13:06:46 -0800
Subject: [PATCH] avoid ?? in setupProxy.js

It worked fine on my laptop with node.js v14.15.4, but not on my
new workstation with node.js v12.18.2 (as comes with Ubuntu 20.10).
It would print "Unexpected token '?'" without any clue what file the
error is in. I'm trying to fix that here:
https://github.com/facebook/create-react-app/pull/10652
---
 ui/src/setupProxy.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui/src/setupProxy.js b/ui/src/setupProxy.js
index 79284fe..1d92d16 100644
--- a/ui/src/setupProxy.js
+++ b/ui/src/setupProxy.js
@@ -10,7 +10,7 @@ module.exports = (app) => {
   app.use(
     "/api",
     createProxyMiddleware({
-      target: process.env.PROXY_TARGET ?? "http://localhost:8080/",
+      target: process.env.PROXY_TARGET || "http://localhost:8080/",
       ws: true,
       changeOrigin: true,