Adds a warning for minified development build

facebook · Jun 30, 2017 · 70aa887 · 70aa887
1 parent 4ae60df
commit 70aa887
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/renderers/shared/fiber/ReactFiberDevToolsHook.js b/src/renderers/shared/fiber/ReactFiberDevToolsHook.js
@@ -32,6 +32,15 @@ var testMinification = function testMinification() {
   }
 };
 
+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.',
+);
+
 if (
   typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ !== 'undefined' &&
   __REACT_DEVTOOLS_GLOBAL_HOOK__.supportsFiber