From fe24333edc40f19c2225ddfc55f7076df979fb44 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <tim@timneutkens.nl>
Date: Tue, 24 Apr 2018 15:25:45 -0700
Subject: [PATCH] Only show deprecation message in development (#4206)

---
 lib/app.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/app.js b/lib/app.js
index c4f722aef7afe..dd00614b97e94 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -86,7 +86,11 @@ export class Container extends Component {
   }
 }
 
-const warnUrl = execOnce(() => warn(`Warning: the 'url' property is deprecated. https://err.sh/next.js/url-deprecated`))
+const warnUrl = execOnce(() => {
+  if (process.env.NODE_ENV !== 'PRODUCTION') {
+    warn(`Warning: the 'url' property is deprecated. https://err.sh/next.js/url-deprecated`)
+  }
+})
 
 export function createUrl (router) {
   return {