From d266181d11cd3013a691e391b22b39b3a305e0fc Mon Sep 17 00:00:00 2001
From: handtrix <handtrix@gmail.com>
Date: Tue, 18 Sep 2018 14:58:19 +0200
Subject: [PATCH] Keep warnings when process.env.NODE_ENV is not production
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This way the following warnings will work in test mode. (`process.env.NODE_ENV === „test“`)
---
 lib/error.js         | 2 +-
 lib/router/router.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/error.js b/lib/error.js
index 9d22f02f25e58..5927651ee2fd8 100644
--- a/lib/error.js
+++ b/lib/error.js
@@ -31,7 +31,7 @@ export default class Error extends React.Component {
   }
 }
 
-if (process.env.NODE_ENV === 'development') {
+if (process.env.NODE_ENV !== 'production') {
   Error.propTypes = {
     statusCode: PropTypes.number
   }
diff --git a/lib/router/router.js b/lib/router/router.js
index 61e6a07e7c6f4..bc63716d3e0fb 100644
--- a/lib/router/router.js
+++ b/lib/router/router.js
@@ -78,7 +78,7 @@ export default class Router {
     }
 
     const { url, as, options } = e.state
-    if (process.env.NODE_ENV === 'development') {
+    if (process.env.NODE_ENV !== 'production') {
       if (typeof url === 'undefined' || typeof as === 'undefined') {
         console.warn('`popstate` event triggered but `event.state` did not have `url` or `as` https://err.sh/zeit/next.js/popstate-state-empty')
       }