From d0fbd3814057aed543698bf2b1fc27f2920d5bac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rouven=20We=C3=9Fling?= <rouven@contentful.com>
Date: Sun, 17 Jun 2018 22:06:06 +0200
Subject: [PATCH] Only set prop types in non-production builds.

This will enable a bundler to omit the prop-types import.
---
 index.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/index.js b/index.js
index d25e416..a96a387 100644
--- a/index.js
+++ b/index.js
@@ -22,9 +22,11 @@ function DocumentTitle() {}
 DocumentTitle.prototype = Object.create(React.Component.prototype);
 
 DocumentTitle.displayName = 'DocumentTitle';
-DocumentTitle.propTypes = {
-  title: PropTypes.string.isRequired
-};
+if (process.env.NODE_ENV !== 'production') {
+  DocumentTitle.propTypes = {
+    title: PropTypes.string.isRequired
+  };
+}
 
 DocumentTitle.prototype.render = function() {
   if (this.props.children) {