From 25a908164c14b2ecdccff95139e8fd7a3c1ef3d5 Mon Sep 17 00:00:00 2001
From: Ian Sutherland <ian@iansutherland.ca>
Date: Tue, 16 Jan 2018 13:09:42 -0700
Subject: [PATCH] Remove PropTypes from production build (#209)

---
 packages/babel-preset-react-app/index.js     | 7 +++++++
 packages/babel-preset-react-app/package.json | 3 ++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/packages/babel-preset-react-app/index.js b/packages/babel-preset-react-app/index.js
index 2bdd83b0fc4..28b3df84593 100644
--- a/packages/babel-preset-react-app/index.js
+++ b/packages/babel-preset-react-app/index.js
@@ -101,6 +101,13 @@ module.exports = function(api, opts) {
           regenerator: true,
         },
       ],
+      isEnvProduction && [
+        // Remove PropTypes from production build
+        require('babel-plugin-transform-react-remove-prop-types').default,
+        {
+          removeImport: true,
+        },
+      ],
       // function* () { yield 42; yield 43; }
       !isEnvTest && [
         require('@babel/plugin-transform-regenerator').default,
diff --git a/packages/babel-preset-react-app/package.json b/packages/babel-preset-react-app/package.json
index 0a13c707176..296b83b8d3d 100644
--- a/packages/babel-preset-react-app/package.json
+++ b/packages/babel-preset-react-app/package.json
@@ -26,6 +26,7 @@
     "@babel/preset-flow": "7.0.0-beta.37",
     "@babel/preset-react": "7.0.0-beta.37",
     "babel-plugin-macros": "2.0.0",
-    "babel-plugin-transform-dynamic-import": "2.0.0"
+    "babel-plugin-transform-dynamic-import": "2.0.0",
+    "babel-plugin-transform-react-remove-prop-types": "0.4.12"
   }
 }