Only show deprecation message in development (#4206)

vercel · Apr 24, 2018 · fe24333 · fe24333
1 parent 0daf9be
commit fe24333
Showing 1 changed file with 5 additions and 1 deletion.
diff --git 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 {