Move viewConfig check to setNativeProps

Author: oblador

Libraries/Animated/src/AnimatedImplementation.js

@@ -1747,12 +1747,6 @@ function createAnimatedComponent(Component: any): any {
       var callback = () => {
         if (this._component.setNativeProps) {
           if (!this._propsAnimated.__isNative) {
-            if (this._component.viewConfig == null) {
-              var ctor = this._component.constructor;
-              var componentName = ctor.displayName || ctor.name || '<Unknown Component>';
-              throw new Error(componentName + ' "viewConfig" is not defined.');
-            }
-
             this._component.setNativeProps(
               this._propsAnimated.__getAnimatedValue()
             );

Libraries/Renderer/src/renderers/native/NativeMethodsMixin.js

@@ -139,6 +139,12 @@ var NativeMethodsMixin = {
    * Manipulation](docs/direct-manipulation.html)).
    */
   setNativeProps: function(nativeProps: Object) {
+    if (!this.viewConfig) {
+      var ctor = this.constructor;
+      var componentName = ctor.displayName || ctor.name || '<Unknown Component>';
+      throw new Error(componentName + ' "viewConfig" is not defined.');
+    }
+
     if (__DEV__) {
       warnForStyleProps(nativeProps, this.viewConfig.validAttributes);
     }