Clear error message when rendering a nonvalid component

2013-11-01 17:32:09 -07:00 · 2013-11-01 17:32:09 -07:00 · 9e24257a4e
parent aedf580a33
commit 9e24257a4e
1 changed files with 2 additions and 1 deletions
--- a/src/core/ReactCompositeComponent.js
+++ b/src/core/ReactCompositeComponent.js
@ -860,7 +860,8 @@ var ReactCompositeComponentMixin = {
    }
    invariant(
      ReactComponent.isValidComponent(renderedComponent),
-      '%s.render(): A valid ReactComponent must be returned.',
+      '%s.render(): A valid ReactComponent must be returned. You may have ' +
+      'returned null, undefined, an array or some other invalid object.',
      this.constructor.displayName || 'ReactCompositeComponent'
    );
    return renderedComponent;