Allow React component displayName and propTypes to be removed in production builds.

Fixes jaydenseric/graphql-react#51 .

Author: denisp22

changelog.md

@@ -2,6 +2,10 @@
 
 ## Next
 
+### Minor
+
+- Allow React component `displayName` and `propTypes` to be removed in production builds, fixing [#51](https://github.com/jaydenseric/graphql-react/issues/51).
+
 ### Patch
 
 - Updated dependencies.

src/universal/GraphQLContext.js

@@ -41,6 +41,7 @@ const React = require('react');
  */
 const GraphQLContext = React.createContext();
 
-GraphQLContext.displayName = 'GraphQLContext';
+if (typeof process === 'object' && process.env.NODE_ENV !== 'production')
+  GraphQLContext.displayName = 'GraphQLContext';
 
 module.exports = GraphQLContext;

src/universal/GraphQLProvider.js

@@ -57,9 +57,10 @@ function GraphQLProvider({ graphql, children }) {
   );
 }
 
-GraphQLProvider.propTypes = {
-  graphql: PropTypes.instanceOf(GraphQL).isRequired,
-  children: PropTypes.node,
-};
+if (typeof process === 'object' && process.env.NODE_ENV !== 'production')
+  GraphQLProvider.propTypes = {
+    graphql: PropTypes.instanceOf(GraphQL).isRequired,
+    children: PropTypes.node,
+  };
 
 module.exports = GraphQLProvider;

src/universal/private/FirstRenderDateContext.js

@@ -13,6 +13,7 @@ const React = require('react');
  */
 const FirstRenderDateContext = React.createContext();
 
-FirstRenderDateContext.displayName = 'FirstRenderDateContext';
+if (typeof process === 'object' && process.env.NODE_ENV !== 'production')
+  FirstRenderDateContext.displayName = 'FirstRenderDateContext';
 
 module.exports = FirstRenderDateContext;