diff --git a/src/renderers/shared/fiber/ReactFiberDevToolsHook.js b/src/renderers/shared/fiber/ReactFiberDevToolsHook.js index 3d6dd752c8fb7..23c731f8321f5 100644 --- a/src/renderers/shared/fiber/ReactFiberDevToolsHook.js +++ b/src/renderers/shared/fiber/ReactFiberDevToolsHook.js @@ -42,6 +42,14 @@ if ( return 42; } }; + warning( + (testMinification.name || testMinification.toString()) + .indexOf('testMinification') !== -1, + "It looks like you're using a minified copy of the development build " + + 'of React. When deploying React apps to production, make sure to use ' + + 'the production build which skips development warnings and is faster. ' + + 'See https://fb.me/react-minification for more details.', + ); rendererID = inject(Object.assign({}, internals, {testMinification})); };