A smarter way of determining of class is a React.Component. gajus#41

Author: gajus

src/index.js

@@ -2,7 +2,18 @@ import extendReactClass from './extendReactClass';
 import wrapStatelessFunction from './wrapStatelessFunction';
 
 let decoratorConstructor,
-    functionConstructor;
+    functionConstructor,
+    isReactComponent;
+
+/**
+ * Determines if the given object has the signature of a class that inherits React.Component.
+ *
+ * @param {*} Component
+ * @return {Boolean}
+ */
+isReactComponent = (Component) => {
+    return 'prototype' in Component && typeof Component.prototype.render === 'function';
+};
 
 /**
  * When used as a function.
@@ -15,9 +26,11 @@ let decoratorConstructor,
 functionConstructor = (Component, defaultStyles, options) => {
     let decoratedClass;
 
-    decoratedClass = Component.isReactClass ?
-        extendReactClass(Component, defaultStyles, options) :
-        wrapStatelessFunction(Component, defaultStyles, options);
+    if (isReactComponent(Component)) {
+        decoratedClass = extendReactClass(Component, defaultStyles, options);
+    } else {
+        decoratedClass = wrapStatelessFunction(Component, defaultStyles, options);
+    }
 
     if (Component.displayName) {
         decoratedClass.displayName = Component.displayName;